CN115727051A

CN115727051A - Weight heap high accuracy heating pressurize equipment

Info

Publication number: CN115727051A
Application number: CN202211568378.2A
Authority: CN
Inventors: 满宏伟
Original assignee: Shenzhen Shizong Automation Equipment Co Ltd
Current assignee: Shenzhen Shizong Automation Equipment Co Ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-03

Abstract

The invention discloses weight stacked high-precision heating and pressure maintaining equipment; the device comprises a heating and pressure maintaining reverse ejection jig, a single-power independent heating and pressure maintaining jig with a plurality of weights and a lifting component A; a plurality of weights of single power add nice and warm tool and set firmly in lifting member A bottom alone to be located the heating pressurize and push up the tool directly over. Has the advantages that: this application adopts single power multiple spot heating pressurization mode to go to heat the pressurization respectively alone to a plurality of smallclothes, and is concrete, go to heat the pressurization respectively alone to a plurality of smallclothes for the mode that adopts the weight to push down, this makes can be permanent to the holding constancy of the holding down of a plurality of smallclothes, make this application use more reliable and more stable, and this application is equipped with lifting means B and goes to drive the unsteady heating saddle lift of camera module, can be more accurate reliable of accuse to the lift position of unsteady heating saddle of camera module, and then, this application practicality is strong, excellent in use effect.

Description

Weight heap high accuracy heating pressurize equipment

Technical Field

The invention relates to the technical field of automation equipment, in particular to weight stacked high-precision heating and pressure maintaining equipment.

Background

In the production and manufacturing processes of various intelligent devices such as smart phones, cameras, tablet computers, smart bracelets and the like, two of the workpieces forming the structure of the intelligent device are often required to be fixed together through smooth pressing of viscose, and small parts such as camera modules and illuminating lamps forming the smart phones are required to be fixed to a back plate of the intelligent device through smooth pressing of hot melt adhesive.

When two corresponding work pieces are fixed by hot pressing conventionally, a pressure maintaining device is used, the traditional pressure maintaining device is a utility model 'hot melt water cooling pressure maintaining device' disclosed in the patent number '202122640361.0' previously applied by the applicant of the patent, a jig table is basically arranged to fix a large work piece therein, a plurality of small work pieces are adhered to the upper surface of the corresponding large work piece by sticking hot melt adhesive, a pressurizing and heating device with a heating plate with a lower bottom surface being a flat surface is arranged above the corresponding jig table, and the corresponding large work piece and the plurality of small work pieces can be pressed and fixed together by moving the corresponding pressurizing and heating device downwards for a certain stroke to press the corresponding plurality of small work pieces for a certain time and when the corresponding hot melt adhesive is melted.

Because the used hot melt adhesive is HAF adhesive which has no viscosity at room temperature and can generate strong viscosity after pressurization and heating, before the corresponding large workpiece and a plurality of small workpieces are pressed and fixed, the hot melt adhesive stuck on the upper surface of the corresponding large workpiece needs to be pre-heated and melted to a certain degree by using a heating pre-pressing mechanism, then the corresponding small workpieces can be stuck on the hot melt adhesive, and the corresponding large workpiece and the plurality of small workpieces which are stuck together can be pressed and fixed subsequently.

In the conventional practical operation, on one hand, the used pressurizing and heating devices are basically provided with a workpiece pressing plate and a reverse ejection spring fixedly arranged at the upper part of the corresponding workpiece pressing plate, and the reverse ejection spring provides elastic force to press down a plurality of small workpieces.

Moreover, for the utility model patent "hot melt water-cooling pressurizer" disclosed in the above patent No. 202122640361.0, the saddle that it set up floats for setting up the spring part, and when the time is with a long time, the elasticity of the spring part that uses also can slowly diminish to the saddle that sets up also can diminish at the time back of using for a long time, the stroke that floats for can not be better hold up the camera module that needs the heating and pressurizing of support.

In contrast, the inventor of the present invention considers problems encountered in work by combining practical work experience, reviews a large amount of scientific research data and documents, searches and searches for new information through a national intellectual property bureau website, and gradually designs and designs the present application to solve the related technical problems.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide weight stacking type high-precision heating and pressure maintaining equipment.

In order to achieve the above purpose, the weight stacked high-precision heating and pressure maintaining equipment according to the embodiment of the invention comprises a heating and pressure maintaining reverse jacking jig for fixing a workpiece, a single-power multiple-weight single-heating and pressure maintaining jig for respectively and independently heating and pressurizing the workpiece at multiple positions through downwards pressing the workpiece by weights, and a lifting member A for controlling the single-power multiple-weight single-heating and pressure maintaining jig to move up and down;

the single-power weight independent heating and pressure maintaining jig is fixedly arranged at the bottom of the lifting component A and is positioned right above the heating and pressure maintaining reverse ejection jig.

In addition, the weight-stacked high-precision heating and pressure-maintaining device according to the above embodiment of the present invention may further have the following additional technical features:

according to one embodiment of the invention, the single-power single-weight heating and pressure maintaining jig comprises a power plate, a workpiece pressing plate, a pressing plate supporting member, a plurality of heat pressurizing columns and a plurality of weight members;

the pressing plate supporting members are provided with a plurality of pressing plate supporting members, are downwards uniformly and fixedly arranged on the outer periphery of the power plate, and are respectively and horizontally provided with supporting blocks at the lower ends towards the middle lower part of the power plate; the workpiece pressing plate is limited under the power plate and supported by the support blocks, and a plurality of pressing holes penetrating through the upper end surface and the lower end surface of the workpiece pressing plate are formed in the workpiece pressing plate;

the power plate is provided with a plurality of through grooves which penetrate through the upper end surface and the lower end surface of the power plate and correspondingly face the plurality of pressure holes; the lower ends of the plurality of hot pressurizing columns are correspondingly limited in the plurality of pressure holes, and the upper ends of the plurality of hot pressurizing columns are correspondingly limited in the plurality of through grooves; the weight members are detachably placed on the upper parts of the through grooves.

According to one embodiment of the invention, the single-power multiple-weight single-heating pressure-maintaining jig further comprises multiple pressure-relieving members;

the upper end surface of the power plate is respectively provided with a slow pressing groove downwards beside the through grooves, and the outer walls of the upper ends of the hot pressurizing columns are respectively provided with a support lug which is opposite to the slow pressing groove at a close position in an outward protruding manner; the plurality of pressure relieving components are correspondingly clamped in the plurality of pressure relieving grooves, and the upper ends of the pressure relieving components correspondingly abut against the lower bottom surfaces of the support lugs.

According to one embodiment of the present invention, each of the weight members comprises a reference weight of a columnar structure and a plurality of small pieces of weight of a sheet structure detachably stacked on top of the reference weight;

the lower ends of the plurality of reference weights are correspondingly inserted into the upper parts of the plurality of through grooves, and the bottoms of the plurality of reference weights correspondingly abut against the upper top surfaces of the plurality of hot pressurizing columns; the top of each reference weight is respectively provided with a fixing pin along the vertical direction; and fixing holes which penetrate through the upper end surface and the lower end surface of the miniature weight pieces and are suitable for the fixing pins to penetrate through are formed in the miniature weight pieces respectively.

According to one embodiment of the invention, the single-power multiple-weight single-heating and pressure-maintaining jig further comprises multiple vertical guide rails and multiple corresponding guide blocks which can move up and down and are arranged on the multiple vertical slide rails;

the plurality of vertical guide rails are vertically and fixedly arranged on the upper end surface of the power plate; the guide blocks are correspondingly and fixedly arranged on the outer walls of the reference weights.

According to one embodiment of the invention, the single-power multiple-weight single-heating pressure maintaining jig further comprises multiple guide columns and multiple jacking springs;

a plurality of guide holes penetrating through the upper end surface and the lower end surface of the workpiece pressing plate are uniformly formed in the periphery of the workpiece pressing plate; the guide columns are uniformly and fixedly arranged on the periphery of the lower bottom surface of the power plate downwards, and the lower ends of the guide columns are correspondingly in interference fit and movably arranged in the guide holes in a penetrating manner; and the jacking springs are uniformly and fixedly arranged between the periphery of the lower bottom surface of the power plate and the periphery of the upper end surface of the workpiece pressing plate.

According to one embodiment of the invention, the heating and pressure maintaining reverse ejection jig comprises a jig seat, a camera module floating heating support platform and a lifting component B;

the fixture seat comprises a heatable workpiece bearing plate and a fixed bottom plate for supporting the heatable workpiece bearing plate through a plurality of supporting columns; the heatable workpiece bearing plate is suitable for carrying a workpiece with a downward-protruding camera module, and a lifting opening facing the camera module is formed in the upper end face of the heatable workpiece bearing plate downwards;

the camera module floating heating support platform is embedded in the lifting port and is fixedly arranged at the upper part of the lifting component B; the lifting member B is installed on the fixed base plate.

According to one embodiment of the invention, the camera module floating heating tray comprises a heating block, a heat insulation block, a lifting block, a U-shaped seat, a fixing ring and a floating limiting bolt;

the heating block, the heat insulation block and the lifting block are sequentially fixed from top to bottom; the U-shaped seat is fixedly arranged on the lower bottom surface of the heatable workpiece bearing plate and is opposite to the lifting port, and the left side and the right side of the inner bottom surface of the U-shaped seat are respectively provided with a guide groove penetrating to the lower bottom surface of the U-shaped seat; two guide rods which correspondingly penetrate through the two guide grooves from top to bottom are arranged on two sides of the bottom of the lifting block in a downward extending mode;

the fixing ring is fixedly arranged at the top of the lifting component B; the floating limiting bolt penetrates through the fixing ring, and the left end and the right end of the floating limiting bolt are correspondingly and fixedly arranged between the lower ends of the two guide rods; the inner diameter of the fixing ring in the vertical direction is larger than the outer diameter of the floating limiting bolt in the vertical direction;

initially, the lower bottom surface of the floating limit bolt is attached to the inner lower wall of the fixing ring, and a lifting gap is formed between the inner top wall of the fixing ring and the upper top surface of the floating limit bolt.

According to one embodiment of the invention, the camera module floating heating saddle further comprises a reverse ejection spring, a connecting block and a pressure sensor B;

the middle part of the bottom of the lifting block is upwards provided with an upper clamping groove; a lower clamping groove is formed downwards in the middle of the inner bottom surface of the U-shaped seat; the upper end of the reverse top spring is clamped and fixed to the upper clamping groove, and the lower end of the reverse top spring is connected with the upper end face of the connecting block; the lower bottom surface of the connecting block is fixed with the upper part of the pressure sensor B, and the lower part of the pressure sensor B is fixedly clamped in the lower clamping groove.

According to one embodiment of the invention, the device also comprises a transverse U-shaped bracket seat, a vertical sliding rail and a sliding block;

the heating and pressure maintaining reverse ejection jig is arranged on the inner bottom surface of the transverse U-shaped support seat; the vertical sliding rail is fixedly arranged on the inner rear wall of the transverse U-shaped bracket seat; the sliding block can be arranged on the vertical sliding rail in a vertically movable manner; the multi-position heating and pressure maintaining jig is fixedly arranged on the sliding block; the lifting member A is fixedly arranged at the top of the transverse U-shaped bracket seat.

The invention has the beneficial effects that:

this application adopts for single power multiple spot heating and pressurizing mode goes to heating and pressurizing a plurality of small work pieces respectively alone, and is concrete, then goes to heating and pressurizing a plurality of small work pieces respectively alone for the mode that adopts the weight to push down, and this makes can be permanent to keeping invariable to the holding down force of a plurality of small work pieces, makes this application use more reliable and more stable, and the replacement cost that can significantly reduce and maintenance cost.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

To illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a weight stacking type high-precision heating and pressure maintaining device of the present invention;

fig. 2 is a schematic view of an overall structure of the single-power multi-weight individual heating and pressure maintaining jig according to the embodiment of the present invention 1;

fig. 3 is an exploded view 1 of the single-power multi-weight individual heating and pressure maintaining jig according to the embodiment of the present invention;

fig. 4 is a schematic view of the overall structure of the single-power multiple-weight individual heating and pressure maintaining jig in the embodiment of the present invention, which is shown in fig. 2;

fig. 5 is an exploded view 2 of the single-power multiple-weight individual heating and pressure maintaining jig according to the embodiment of the present invention;

FIG. 6 is an enlarged view of H in FIG. 5;

FIG. 7 is an enlarged view of the power plate from a top view in an embodiment of the present invention;

fig. 8 is a schematic view of the overall structure of the heating and pressure maintaining reverse ejection fixture in the embodiment of the present invention 1;

fig. 9 is a schematic view of the overall structure of the heating and pressure maintaining reverse ejection fixture in the embodiment of the present invention;

fig. 10 is an exploded view of the heating and pressure maintaining reverse ejection fixture in the embodiment of the present invention 1;

fig. 11 is an exploded view of the heating and pressure maintaining reverse ejection fixture in the embodiment of the present invention 2;

fig. 12 is a schematic view of the whole structure of the camera module floating heating tray fixed with the lifting member B in the embodiment of the present invention;

fig. 13 is an exploded view 1 of the camera module floating heating pallet and the lifting member B in the embodiment of the present invention;

fig. 14 is an exploded view 2 of the camera module floating heating pallet and the lifting member B in the embodiment of the present invention;

reference numerals:

a weight stack type high-precision heating and pressure maintaining device 1000;

heating and pressure maintaining reverse jacking jig 10;

a jig base 101; the workpiece carrier plate 1011 can be heated; a lifting port 10111; a support column 1012; a fixed base plate 1013; a camera module floating heating pallet 102; a heating block 1021; a thermal insulating block 1022; the lifting block 1023; a guide bar 10231; an upper card slot 10232; a U-shaped seat 1024; a guide slot 10241; a lower card slot 10242; a fixing ring 1025; a floating limit bolt 1026; a back-up spring 1027; a connecting block 1028; pressure sensor B1029; an elevating member B103; a jaw member 104; a fixed jaw 1041; a movable clamping jaw 1042; a driving member 105;

the pressure maintaining jig 20 is heated by a plurality of weights with single power;

a power plate 201; a through groove 2011; a relief groove 2012; a workpiece platen 202; a press hole 2021; a guide hole 2022; a platen holding member 203; a support block 2031; a hot pressurization column 204; a lug 2041; a groove 2042; a weight member 205; reference weight 2051; a fixing pin 20511; a limit groove 20512; a tiny weight piece 2052; a fixing hole 20521; a pressure relief member 206; a vertical guide rail 207; a guide block 208; a guide post 209; the top pressure spring 210; a stopper 211; pressure sensor a212;

a transverse U-shaped bracket base 30;

a vertical slide rail 40;

a slider 50;

the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only and are not to be construed as limiting the present invention, and all other embodiments that can be made by one skilled in the art without inventive effort based on the embodiments of the present invention shall fall within the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like indicate orientations or positional relationships based on those shown in the drawings of the specification, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The weight-stacking type high-precision heating and pressure-holding apparatus 1000 according to the embodiment of the present invention is described in detail below with reference to the drawings.

Referring to fig. 1 to 14, a weight-stacked high-precision heating and pressure-maintaining apparatus 1000 according to an embodiment of the present invention includes a heating and pressure-maintaining reverse-ejecting jig 10 for fixing a workpiece, a single-power multiple-weight single-heating and pressure-maintaining jig 20 for pressing down the workpiece by weights and individually heating and pressurizing the workpiece at multiple positions, and a lifting member a (not shown) for controlling the single-power multiple-weight single-heating and pressure-maintaining jig 20 to move up and down;

the single-power weight individual heating and pressure maintaining jig 20 is fixedly arranged at the bottom of the lifting member a (not shown) and is located right above the heating and pressure maintaining reverse ejection jig 10.

Based on the above, it is clear that the present application, when embodied, is mainly used as a weight-stacking type high-precision heating and pressure-maintaining apparatus 1000 for heating and pressurizing a plurality of small workpieces correspondingly attached to upper surfaces of a plurality of HAF glues adhered to upper end surfaces of large workpieces.

Specifically, when using this application, according to the aforesaid this application is assembled to the structure, and use this application heating pressurize anti-top tool 10 is fixed a big work piece (like cell-phone backplate etc.), then, paste respectively at a plurality of preset positions of fixed big work piece up end and establish a HAF and glue, subsequently, use a heating prepressing mechanism again to glue hot melt to certain degree in advance corresponding polylith HAF, then, paste other a plurality of little work pieces (like collecting camera and light etc.) and establish at the corresponding HAF gluey surface of polylith, finally, can use this application a plurality of weights of single power heat the corresponding big work piece that pressurize tool 20 will paste together alone and carry out the pressfitting with a plurality of little work pieces fixedly.

As described above, it can be understood that the single-power multiple-weight single-heating and pressure-maintaining jig 20 provided in the present application can separately heat and pressurize multiple fixed small workpieces in a weight-pressing manner, even if the small workpieces have very small height differences, since the single-power multiple-weight single-heating and pressure-maintaining jig 20 provided in the present application obviously adopts a weight-pressing manner to separately heat and pressurize the multiple fixed small workpieces, the multiple fixed small workpieces can be better heated and pressurized.

And, because this application sets up a plurality of weights of single power heat the pressurize tool 20 alone and heat the pressurization respectively for the mode that pushes down through the weight to a plurality of fixed gadgets, when this application adopts the mode that the weight pushed down to replace traditional many roof pressure springs 210 that use to provide the holding down force, this also makes the holding down force that can be permanent to a plurality of gadgets invariable, makes this application use more reliable and more stable, can significantly reduce replacement cost and maintenance cost.

Simultaneously, when this application is pushed down the mode that pushes down through the weight and is heated the pressurization respectively alone to a plurality of fixed little work pieces, also make corresponding polylith HAF that sets up in a plurality of corresponding little work piece bottoms glue can the hot melt even, so that can reach the better hot melt effect fast, so that a plurality of corresponding little work pieces homoenergetic are fixed by fine hot pressing.

From this, through above-mentioned optimal design, even make a plurality of weights of this application single power heat the pressurize tool 20 alone and use the practicality strong, excellent in use effect.

Further, in the specific implementation, referring to fig. 2 to 7, according to an embodiment of the present invention, the single-power multiple-weight individual heating and pressure maintaining jig 20 includes a power plate 201, a workpiece pressing plate 202, a pressing plate supporting member 203, multiple heat pressurizing columns 204, and multiple weight members 205;

a plurality of pressure plate supporting members 203 are arranged and uniformly fixed on the outer periphery of the power plate 201 downwards, and the lower ends of the pressure plate supporting members are respectively provided with a supporting block 2031 horizontally towards the middle lower part of the power plate 201; the workpiece pressure plate 202 is limited under the power plate 201 and supported by the plurality of supporting blocks 2031, and a plurality of pressure holes 2021 penetrating through the upper and lower end surfaces of the workpiece pressure plate 202 are formed on the workpiece pressure plate 202;

a plurality of through grooves 2011 which penetrate through the upper end surface and the lower end surface of the power plate 201 and correspondingly face the plurality of pressure holes 2021 are formed in the power plate 201; the lower ends of the heat pressing columns 204 are correspondingly limited in the pressing holes 2021, and the upper ends of the heat pressing columns 204 are correspondingly limited in the through grooves 2011; the weight members 205 are detachably disposed in the through grooves 2011.

It should be noted that, in actual operation, after the single-power multiple-weight single-heating pressure maintaining jig 20 is lowered to a certain height, the workpiece pressing plate 202 can be naturally pressed on the fixed large workpiece to press and fix the large workpiece, at this time, the multiple small workpieces correspondingly adhered to the upper surfaces of the multiple HAF glues fixed on the upper surface of the large workpiece are correspondingly located at the positions of the multiple pressure holes 2021, when the single-power multiple-weight single-heating pressure maintaining jig 20 is lowered to a certain height, the bottoms of the multiple heat pressing columns 204 naturally abut against the upper surfaces of the corresponding multiple small workpieces, at this time, when the multiple weight members 205 are correspondingly placed on the upper portions of the multiple through grooves 2011, the bottoms of the multiple weight members naturally abut against the tops of the multiple heat pressing columns 204, so as to correspondingly apply downward pressure to the multiple heat pressing columns 204 to press the corresponding multiple small workpieces, so that the multiple small workpieces can be better pressed, and the multiple heat pressing columns 204 can be more reliably pressed, and the cost of replacing the multiple weights can be greatly reduced, and the cost of the multiple weights 205 can be substantially reduced.

Further, in the specific implementation, as shown in fig. 2 to 7 by continuing to refer to, according to an embodiment of the present invention, the single-power multiple-weight individual heating pressure maintaining jig 20 further includes multiple pressure relief members 206;

referring to fig. 7, a pressure-relieving groove 2012 is respectively formed on the upper end surface of the power plate 201 at the side of the through grooves 2011, and referring to fig. 5 and 6, a lug 2041 facing the pressure-relieving groove 2012 at the close position is respectively convexly arranged on the outer wall of the upper end of each of the hot pressurizing columns 204; the plurality of pressure relief members 206 are correspondingly clamped in the plurality of pressure relief grooves 2012, and the upper ends thereof correspondingly abut against the lower bottom surfaces of the plurality of support lugs 2041.

It should be noted here that, in the present application, the pressure relief members 206 all provide a certain buffering force, so that when the weight members 205 are correspondingly placed on the upper portions of the through slots 2011 to correspondingly apply downward pressure to the heat pressing columns 204 to cause the heat pressing columns to heat and press a corresponding plurality of small workpieces, the heat pressing columns 204 cannot directly and rigidly correspond to the small workpieces to heat and press the small workpieces, so that the small workpieces are not easily crushed by the forces applied thereto, and the present application is more stable and reliable in use.

Preferably, in this embodiment, two pressure-relieving grooves 2012 are respectively formed on the upper end surface of the power plate 201 at the peripheries of the through grooves 2011 in a downward opposite manner, and two lugs 2041 facing the two pressure-relieving grooves 2012 at the close positions are respectively convexly arranged on the outer walls of the upper ends of the hot pressurizing columns 204; each of the pressure relief grooves 2012 is provided with one of the pressure relief members 206, so that the stability of pressure relief of the plurality of hot pressing columns 204 in the vertical direction can be better maintained.

Preferably, in the present embodiment, each of the pressure relief members 206 is a spring pressure relief member, which is common in the prior art, and therefore, the details thereof and the like are not described in detail herein.

Further, in the implementation, as shown in fig. 3 and 5, according to an embodiment of the present invention, each weight member 205 includes a reference weight 2051 having a columnar structure and a plurality of small weight pieces 2052 having a sheet-like structure detachably stacked on top of the reference weight 2051;

the lower ends of the plurality of reference weights 2051 are correspondingly inserted into the upper parts of the plurality of through grooves 2011, and the bottoms of the plurality of reference weights are correspondingly abutted against the upper top surfaces of the plurality of hot pressing columns 204; a fixing pin 20511 is vertically arranged at the top of each reference weight 2051; fixing holes 20521, which are adapted to pass through the fixing pins 20511 and penetrate through the upper and lower end surfaces of the small weight pieces 2052, are formed in the plurality of small weight pieces 2052, respectively.

Preferably, in the present embodiment, as shown in fig. 2 to 5, two fixing pins 20511 are vertically provided at the top of each reference weight 2051; two fixing holes 20521 which are suitable for two fixing pins 20511 to correspondingly pass through and penetrate through the upper and lower end surfaces of the plurality of small weight pieces 2052 are respectively formed on the plurality of small weight pieces 2052.

Here, it should be noted that, in the actual use of the present application, in order to detach the plurality of small weight pieces 2052 in advance and retain the plurality of reference weights 2051, so as to correspondingly insert the plurality of reference weights 2051 into the upper portions of the plurality of through grooves 2011 and make the bottoms of the plurality of small workpieces correspondingly abut against the tops of the plurality of heat pressurizing columns 204, when the plurality of small workpieces are to be pressurized subsequently, the appropriate number of small weight pieces 2052 may be stacked on the tops of the reference weights 2051 at different positions according to actual needs, so that when the plurality of weight members 205 are adopted to correspondingly press down the plurality of heat pressurizing columns 204, the pressing force of the plurality of weight pieces can also be flexibly adjusted, and the overall use effect of the single-power multiple-weight individual heating and pressure maintaining jig 20 of the present application can be effectively improved.

Moreover, by providing the fixing pins 20511 to fix the stacked small weight pieces 2052, the stacked small weight pieces 2052 are stable against slipping when being stacked and fixed to the top of any reference weight 2051, so that the weight members 205 are excellent in stability in use.

In addition, in a specific implementation, according to an embodiment of the present invention, the single-power multiple-weight single-heating pressure maintaining jig 20 further includes multiple vertical guide rails 207 and multiple corresponding guide blocks 208 that are disposed on the multiple vertical slide rails 40 and are movable up and down;

the vertical guide rails 207 are vertically and fixedly arranged on the upper end surface of the power plate 201; the plurality of guide blocks 208 are correspondingly and fixedly arranged on the outer walls of the plurality of reference weights 2051.

It should be noted here that, in actual use, the length of each of the plurality of reference weights 2051 is very long, and only when the lower end of each of the plurality of reference weights 2051 is correspondingly placed on the upper portion of the inside of the plurality of through grooves 2011, the placement stability of each of the plurality of reference weights 2051 is poor, so that the plurality of reference weights 2051 are correspondingly fixed by the plurality of vertical guide rails 207 and the plurality of corresponding guide blocks 208 which are correspondingly movably disposed on the plurality of vertical guide rails 207, so that the stability of placement of the plurality of reference weights 2051 is effectively improved, and the plurality of reference weights 2051 can also stably move in the vertical direction, and are not prone to shaking and rollover when in use.

Furthermore, in this technical solution, according to an embodiment of the present invention, the single-power multiple-weight single-heating pressure maintaining jig 20 further includes multiple guide posts 209 and multiple top pressure springs 210;

a plurality of guide holes 2022 penetrating through the upper end surface and the lower end surface of the workpiece pressing plate 202 are uniformly formed on the periphery of the workpiece pressing plate 202; the guide posts 209 are uniformly and fixedly arranged on the periphery of the lower bottom surface of the power plate 201 downwards, and the lower ends of the guide posts are correspondingly in interference fit and movably arranged in the guide holes 2022 in a penetrating manner; the top pressure springs 210 are uniformly and fixedly arranged between the periphery of the lower bottom surface of the power plate 201 and the periphery of the upper end surface of the workpiece pressing plate 202.

Initially, the workpiece pressing plate 202 is supported by the plurality of supporting blocks 2031, and the plurality of pressing springs 210 are in a natural state or a compressed state.

Therefore, it can be seen that, after the single-power multiple-weight single-heating pressure-maintaining jig 20 is lowered to a certain height, the workpiece pressing plate 202 is naturally pressed on the fixed large workpiece to press and fix the large workpiece, at this time, the multiple small workpieces correspondingly adhered to the upper surfaces of the HAF glue fixed on the upper end surface of the large workpiece are correspondingly located at the multiple pressing holes 2021, when the single-power multiple-weight single-heating pressure-maintaining jig 20 is lowered to a certain height, the multiple pressing springs 210 are compressed to provide a reverse acting force to press the workpiece pressing plate 202, so that the workpiece pressing plate 202 can apply a certain pressing force to press and fix the large workpiece.

Moreover, a plurality of guide holes 2022 penetrating through the upper and lower end surfaces of the workpiece pressing plate 202 are uniformly formed on the periphery of the workpiece pressing plate 202; many the guide post 209 evenly sets firmly downwards bottom surface periphery under the power board 201, its lower extreme correspond interference fit and mobilizable wear to establish a plurality ofly in the guiding hole 2022, so, this application is when the in-service use, through setting up the guide post 209 carries out the direction of upper and lower direction, can make work piece clamp plate 202 is accurate at upper and lower direction displacement, is difficult for the circumference to shift, makes this application a plurality of weights of single power add heat pressurize tool 20 alone and use reliable and stable performance and obtain further improvement.

In a specific implementation, according to an embodiment of the present invention, the single-power multiple-weight individual heating and pressure maintaining jig 20 further includes a limiting block 211 for correspondingly limiting a pressing stroke of the multiple weight members 205;

the plurality of limiting blocks 211 are horizontally and fixedly arranged on the upper end surface of the power plate 201, and one end of each limiting block 211 correspondingly extends above the plurality of through grooves 2011; the outer walls of the lower ends of the reference weights 2051 of the weight members 205 are respectively provided with a limit groove 20512 into which one end of the limit block 211 at a corresponding position is inserted;

initially, a certain distance is provided between the upper end surface of one end of each limiting block 211 and the inner top surface of the limiting groove 20512 at the corresponding position, and a plurality of corresponding distances correspond to form a plurality of maximum pressing strokes.

Therefore, it is clear that, when the plurality of stoppers 211 are provided to correspondingly limit the pressing strokes of the plurality of weight members 205, even if a plurality of small workpieces are correspondingly pressed, the plurality of small workpieces are protected well, and the small workpieces to be pressed and fixed are not crushed due to excessive pressing force caused by stacking a large number of small weight pieces 2052 on the top of a certain reference weight 2051 due to manual misoperation.

In addition, according to an embodiment of the present invention, the single-power multiple-weight individual heating and pressure maintaining jig 20 further includes multiple pressure sensors a212;

wherein, the top surfaces of the plurality of hot pressing columns 204 are respectively provided with a groove 2042 downwards; a plurality of pressure sensors a212 are correspondingly fixed in the plurality of grooves 2042; the lower ends of the reference weights 2051 are correspondingly abutted against the upper top surfaces of the pressure sensors a 212.

Therefore, by arranging the plurality of pressure sensors A212, the pressurizing degrees of the plurality of heat pressurizing columns 204 on the plurality of small workpieces can be correspondingly detected, so that the pressurizing degree of a certain heat pressurizing column 204 on a certain small workpiece can be monitored in real time when the pressurizing degree is too large or too small, and an operator can adjust the pressure in time.

Furthermore, through the above-mentioned optimized design, the use effect of the whole formed by the single-power multiple-weight single-heating pressure-maintaining jig 20 can be further improved.

In addition, referring to fig. 8 to 14, according to an embodiment of the present invention, the heating and pressure maintaining reverse ejection fixture 10 includes a fixture base 101, a camera module floating heating tray 102 and a lifting member B103;

the jig base 101 comprises a heatable workpiece carrier plate 1011 and a fixed bottom plate 1013 supporting the heatable workpiece carrier plate 1011 through a plurality of support columns 1012; the heatable workpiece bearing plate 1011 is suitable for carrying a workpiece with a downward-protruding camera module, and a lifting opening 10111 facing the camera module is formed in the upper end face of the heatable workpiece bearing plate 1011 downwards;

the camera module floating heating tray 102 is embedded in the lifting opening 10111 and is fixedly arranged on the upper part of the lifting component B103; the elevation member B103 is mounted on the fixed base 1013. When the workpiece is pressed and attached to the upper end face of the heatable workpiece bearing plate 1011, the floating heating support platform 102 of the camera module can rise to elastically abut against the camera module.

This application heating pressurize reverse-ejecting tool 10 is when in-service use, for passing through in advance lifting component B103 drive camera module floats heating saddle 102 descends to the lowest position, then sets firmly work piece (like the smart mobile phone backplate) and required camera module rather than pressfitting is fixed heatable work piece loading board 1011 up end to make the camera module that needs set firmly established by the card establish spacing in lift mouth 10111, at this moment, can set up one deck HAF glue piece in advance between the camera module that needs set firmly and the corresponding work piece (like the smart mobile phone backplate), and is subsequent, pass through lifting component B103 drive camera module floats heating saddle 102 and rises a take the altitude to offset with camera module lower bottom surface that needs set firmly, finally, orders about what this application set up multiposition heating pressurize tool descends certain stroke, and it can be fixed together work piece (like the smart mobile phone backplate) and required camera module rather than pressfitting is hot-pressed together.

For the above, it is clear that:

first point, this application are equipped with lifting means B103 removes the drive camera module floating heating saddle 102 goes up and down for compare in traditional like this application background art only go to impel through the spring part camera module floating heating saddle 102 floats in upper and lower direction, this application does not have the problem that elasticity slowly diminishes and leads to the stroke of floating to diminish, that is to say, this application is right the camera module floating heating saddle 102's the lift position can be more accurate of accuse, makes the live time permanent, and can be basically better hold up and support corresponding camera module, so that its final and work piece (like the smart mobile phone backplate) fixed effect together of hot pressing each other is more excellent.

The second point, heatable work piece loading board 1011 and the camera module floating heating pallet 102 of this application all obviously have a heating function for it can upwards conduct the heat to the HAF that establishes glues the piece after the heating, in order to realize promoting its further quick heat to melt, so that components such as corresponding camera modules and work piece (like the smart mobile phone backplate) can further obtain quick hot pressing fixed each other.

Furthermore, through the above-mentioned optimal design, that is, the whole that becomes the heating pressurize reverse top tool 10 and constitutes of this application, the same practicality is strong, and the stability in use is strong and the use reliability is strong.

In addition, in the specific implementation, referring to fig. 12-14, according to an embodiment of the present invention, the floating heating pallet 102 of the camera module includes a heating block 1021, a heat insulation block 1022, a lifting block 1023, a U-shaped seat 1024, a fixing ring 1025, and a floating limit latch 1026;

wherein, the heating block 1021, the heat insulation block 1022 and the lifting block 1023 are fixed in sequence from top to bottom; the U-shaped seat 1024 is fixedly arranged on the lower bottom surface of the heatable workpiece bearing plate 1011 and is opposite to the lifting port 10111, and guide grooves 10241 penetrating to the lower bottom surface of the U-shaped seat 1024 are respectively formed on the left side and the right side of the inner bottom surface of the U-shaped seat 1024; two guide rods 10231 which correspondingly penetrate through the two guide grooves 10241 from top to bottom are arranged on two sides of the bottom of the lifting block 1023 in a downward extending manner;

the fixing ring 1025 is fixedly arranged on the top of the lifting member B103; the floating limit bolt 1026 passes through the fixing ring 1025, and the left end and the right end of the floating limit bolt are correspondingly and fixedly arranged between the lower ends of the two guide rods 10231; the inner diameter of the fixing ring 1025 in the vertical direction is larger than the outer diameter of the floating limiting bolt 1026 in the vertical direction;

initially, the lower bottom surface of the floating limit pin 1026 is attached to the inner lower wall of the fixing ring 1025, and a lifting gap is formed between the inner top wall of the fixing ring 1025 and the upper top surface of the floating limit pin 1026.

Therefore, by providing the camera module floating heating tray 102 with the heating block 1021, the heat insulation block 1022, the lifting block 1023, the U-shaped seat 1024, the fixing ring 1025 and the floating limit bolt 1026, it is possible to summarize:

on the one hand, the two guide holes 2022 can play a better guiding role, so that the two guide rods 10231 can only move up and down along the vertical direction, and the heating block 1021 for supporting the camera module is good in lifting stability and lifting smoothness.

On the other hand, by arranging the fixing ring 1025 and the floating limit pin 1026, and limiting the initial state, a lifting gap is formed between the inner top wall of the fixing ring 1025 and the upper top surface of the floating limit pin 1026, so that the lifting process of the heating block 1021 for supporting the camera module is limited, and the camera module to be supported cannot be damaged due to too much lifting of the heating block 1021 caused by the lifting member B103 due to misoperation.

Furthermore, through the above optimized design, the use effect of the whole heating and pressure maintaining reverse ejection fixture 10 can be effectively improved.

It is further added that, in practical implementation, according to an embodiment of the present invention, the floating heating pallet 102 of the camera module further includes an anti-spring 1027, a connecting block 1028 and a pressure sensor B1029;

wherein, the middle part of the bottom of the lifting block 1023 is upwards provided with an upper clamping groove 10232; a lower clamping groove 10242 is formed downwards in the middle of the inner bottom surface of the U-shaped seat 1024; the upper end of the reverse top spring 1027 is clamped and fixed to the upper clamping groove 10232, and the lower end of the reverse top spring is connected with the upper end face of the connecting block 1028; the lower bottom surface of the connecting block 1028 is fixed to the upper portion of the pressure sensor B1029, and the lower portion of the pressure sensor B1029 is clamped and fixed in the lower clamping groove 10242.

Therefore, when the camera module floating heating pallet 102 further includes the anti-top spring 1027, the connecting block 1028 and the pressure sensor B1029, the following effects can be achieved:

first, at the beginning, when not using this application, lift member B103 is the drive camera module floats and heats the saddle 102 and rises to the highest position, at this moment, the heating piece 1021 of the unsteady heating saddle 102 of camera module then can be parallel and level basically in lift mouth 10111 upper portion, it can not give basically the decurrent power of anti-top spring 1027 makes anti-top spring 1027 can be in natural state, and it can not lead to its time to use for a long time slowly diminish because of being in the state of compressed always, that is to say, this application is through setting up lift member B103 removes the cooperation anti-top spring 1027 uses, makes anti-top spring 1027 does not receive the power of pushing down basically when not using to make long service life.

The second point, when using this application, first pass through lifting component B103 drive camera module floating heating saddle 102 descends to the lowest position, then set firmly work piece (like smart mobile phone backplate) and required camera module rather than pressfitting fixed on heatable work piece loading board 1011 up end, so that the camera module that needs to set firmly is blocked to be established the spacing in lift mouth 10111, at this moment, can set up a layer of HAF glue piece in advance between camera module that needs to set firmly and the corresponding work piece (like smart mobile phone backplate), subsequently, drive through lifting component B103 the camera module floating heating saddle 102 rises a certain height to offset with camera module lower floor that needs to set firmly, finally, order to set up the multiposition heating pressurize tool that this application set up and descend a certain stroke, it can be fixed together work piece (like smart mobile phone backplate) and required camera module rather than pressfitting fixed hot pressing mutually, in this hot pressing fixed process, anti-top spring 1027 can be in the compression state, it produces the required counter-acting force to go up to set firmly the camera module, make the camera module that the required fixed up the bottom surface that sets firmly, the camera module is fixed up and down the both sides that the required fixed is fixed, make the camera module be fixed more well.

And thirdly, when the lifting member B103 drives the floating heating support 102 of the camera module to rise by a certain height to abut against the lower bottom surface of the camera module to be fixedly arranged, the heating block 1021 of the floating heating support 102 of the camera module does not abut against the lower bottom surface of the camera module to be fixedly arranged in an upward rigid manner, and the reverse ejection spring 1027 is used for buffering, so that the camera module to be fixedly arranged is not easy to be ejected and damaged at once, and the application has better use reliability.

And fourthly, by arranging the pressure sensor B1029, the pressure degree of the floating heating saddle 102 of the camera module to the lower bottom surface of the camera module which needs to be fixedly arranged can be detected, so that the corresponding pressure degree can be monitored in real time when the pressure degree is too high or too low, and the adjustment can be timely carried out by an operator.

Furthermore, through the above optimized design, the use effect of the whole heating and pressure maintaining reverse ejection fixture 10 can be further improved.

In the present technical solution, according to an embodiment of the present invention, the heating and pressure maintaining reverse ejection fixture 10 further includes a plurality of clamping jaw members 104 for clamping and fixing a workpiece; the plurality of jaw members 104 are uniformly fixed on the periphery of the upper end surface of the heatable workpiece carrier plate 1011.

Preferably, in this embodiment, the jaw member 104 includes a fixed jaw 1041 fixed on two adjacent sides of the upper end surface of the heatable workpiece carrier plate 1011, and a movable jaw 1042 fixed on two adjacent sides of the upper end surface of the heatable workpiece carrier plate 1011;

the upper end surface of the fixed bottom plate 1013 is provided with two driving members 105 for correspondingly controlling the two movable clamping jaws 1042 to move towards the middle of the upper end surface of the heatable workpiece bearing plate 1011, the upper parts of the two driving members 105 are correspondingly connected with the two movable clamping jaws 1042, and both the two driving members 105 are preferably cylinder transmission linear modules or screw transmission linear modules.

Therefore, the workpiece is clamped and fixed by the two fixed clamping jaws 1041 and the two movable clamping jaws 1042, so that the fixed workpiece is not easy to shift circumferentially.

It should be further added that, referring to fig. 1, in the implementation, according to an embodiment of the present invention, the present application further includes a horizontal U-shaped frame seat 30, a vertical sliding rail 40, and a sliding block 50;

wherein, the heating and pressure maintaining reverse ejection jig 10 is arranged on the inner bottom surface of the horizontal U-shaped bracket seat 30; the vertical slide rail 40 is fixedly arranged on the inner rear wall of the transverse U-shaped bracket seat 30; the sliding block 50 can be arranged on the vertical sliding rail 40 in a vertically movable manner; the multi-position heating and pressure maintaining jig is fixedly arranged on the slide block 50; the lifting member a (not shown) is fixedly disposed at the top of the horizontal U-shaped support base 30, the lower end of the lifting member a is fixedly disposed with the single-power multiple-weight individual heating and pressure maintaining jig 20, and specifically, the lower end of the lifting member a is fixedly connected to the middle of the upper end surface of the power plate 201.

Preferably, in this embodiment, the vertical slide rails 40 and the sliders 50 are both provided with a plurality of blocks, the plurality of vertical slide rails 40 are uniformly and fixedly mounted on the inner rear wall of the horizontal U-shaped bracket base 30 from left to right, the plurality of sliders 50 are correspondingly and movably arranged on the plurality of vertical slide rails 40 up and down, and the plurality of sliders 50 are all connected to the bottom of the lifting member a (not shown).

For the above, it can be summarized that:

first, this application uses vertical slide rail 40 reaches slider 50 goes to drive multiposition heating pressurize tool is along the up-and-down direction motion, and it can play better guide effect, makes multiposition heating pressurize tool is when following the up-and-down direction motion, and is more reliable and more stable.

The second point, this application is through setting up horizontal U type support seat 30 goes fixed the design the tool 10 is pushed up to the heating pressurize, multiposition heating pressurize tool, lifting means A (not shown), vertical slide rail 40 and slider 50 for this application overall structure is very compact and very steady reality, can see out from this application description attached drawing figure 1, and horizontal U type support seat 30 that this application set up is integrated into one piece structure when the die sinking design, and it does not have any mosaic structure, makes it use very steady reality, so that the whole pressurize equipment that this application constitutes uses equally more reliable and more stable.

Furthermore, through the optimization design, the whole using effect of the application can be optimal.

Other embodiments, etc., are not illustrated herein.

In summary, in the weight-stacked high-precision heating and pressure-maintaining apparatus 1000 provided by the present invention, in a specific implementation, the single-power multi-point heating and pressure-applying manner is adopted to separately heat and pressure a plurality of small workpieces, and specifically, the weight is pressed down to separately heat and pressure a plurality of small workpieces, so that the pressing force for the plurality of small workpieces can be kept constant for a long time, the weight-stacked high-precision heating and pressure-maintaining apparatus 1000 is more stable and reliable in use, and the replacement cost and the maintenance cost can be greatly reduced.

Simultaneously, when this application is pressed down the mode through the weight and is heated the pressurization respectively alone to a plurality of fixed little work pieces, also make corresponding polylith HAF that sets up that a plurality of corresponding little work piece bottoms correspond glue can the hot melt evenly to enable to reach preferred hot melt effect fast, so that a plurality of corresponding little work pieces homoenergetic are fixed by fine hot pressing, and this application still corresponds and is equipped with a plurality ofly slow pressing component 206 still makes corresponding a plurality of little work pieces all be difficult for leading to being crushed because of rigid atress.

And, this application is equipped with lifting means B103 removes the drive camera module floating heating saddle 102 goes up and down for compare in traditional just go impel through the spring part like this application background art camera module floating heating saddle 102 floats in upper and lower direction, this application does not have the problem that elasticity slowly diminishes and leads to the stroke of floating to diminish, that is to say, this application is right the lift position of camera module floating heating saddle 102 can be more accurate of accuse, makes the live time permanent, and can be basically better hold up support corresponding camera module, so that its final and work piece (like the smart mobile phone backplate) fixed effect together of hot pressing each other is more excellent.

In addition, when the lifting member B103 drives the floating heating pallet 1021 of the camera module to rise by a certain height to abut against the lower bottom surface of the camera module to be fixed, the heating block 1021 of the floating heating pallet 102 of the camera module does not abut against the lower bottom surface of the camera module to be fixed, and the reverse ejection spring 1027 is used for buffering, so that the camera module to be fixed is not easy to be ejected at once, and the application has better use reliability.

Further, the present application is really extremely practical and excellent in use effect as a whole.

In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A weight stacked high-precision heating and pressure maintaining device is characterized by comprising a heating and pressure maintaining reverse jacking jig for fixedly arranging a workpiece, a single-power multi-weight independent heating and pressure maintaining jig for respectively and independently heating and pressurizing a workpiece at multiple positions through downwards pressing the workpiece by weights, and a lifting component A for controlling the single-power multi-weight independent heating and pressure maintaining jig to move up and down;

a plurality of weights of single power heat the pressurize tool alone and set firmly in lifting member A bottom to be located the heating pressurize and push against directly over the tool.

2. The weight stacked high-precision heating and pressure maintaining device according to claim 1, wherein the single-power multiple-weight single-heating and pressure maintaining jig comprises a power plate, a workpiece pressing plate, a pressing plate supporting member, multiple heat pressurizing columns and multiple weight members;

the pressing plate supporting members are provided with a plurality of supporting blocks, are downwards uniformly fixed on the outer periphery of the power plate, and the lower ends of the supporting members are horizontally provided with supporting blocks towards the middle lower part of the power plate; the workpiece pressing plate is limited under the power plate and supported by the plurality of supporting blocks, and a plurality of pressing holes penetrating through the upper end surface and the lower end surface of the workpiece pressing plate are formed in the workpiece pressing plate;

the power plate is provided with a plurality of through grooves which penetrate through the upper end surface and the lower end surface of the power plate and correspondingly face the plurality of pressure holes; the lower ends of the plurality of hot pressurizing columns are correspondingly limited in the plurality of pressure holes, and the upper ends of the plurality of hot pressurizing columns are correspondingly limited in the plurality of through grooves; the weight components are detachably placed on the upper parts in the through grooves correspondingly.

3. The weight-stacked high-precision heating and pressure-maintaining device according to claim 2, wherein the single-power multiple-weight single-heating and pressure-maintaining jig further comprises multiple pressure-relieving members;

the upper end surface of the power plate is respectively provided with a slow pressing groove downwards beside the through grooves, and the outer walls of the upper ends of the hot pressing columns are respectively provided with a support lug which is over against the slow pressing groove at the close position outwards in a protruding manner; the plurality of pressure-relieving components are correspondingly clamped in the plurality of pressure-relieving grooves, and the upper ends of the pressure-relieving components correspondingly abut against the lower bottom surfaces of the plurality of support lugs.

4. The weight stacked high-precision heating and pressure maintaining apparatus according to claim 3, wherein each weight member comprises a reference weight of a columnar structure and a plurality of sheet-structured minute weight pieces detachably stacked on top of the reference weight;

the lower ends of the plurality of reference weights are correspondingly inserted into the upper parts of the plurality of through grooves, and the bottoms of the plurality of reference weights are correspondingly abutted to the upper top surfaces of the plurality of hot pressurizing columns; the top of each reference weight is respectively provided with a fixing pin along the vertical direction; the plurality of the miniature weight pieces are respectively provided with fixing holes which penetrate through the upper end surface and the lower end surface of the miniature weight pieces and are suitable for the fixed pins to pass through.

5. The weight stacking type high-precision heating and pressure maintaining equipment according to claim 4, wherein the single-power multiple-weight single-heating and pressure maintaining jig further comprises multiple vertical guide rails and multiple corresponding guide blocks which can move up and down and are arranged on the multiple vertical guide rails;

a plurality of vertical guide rails are vertically and fixedly arranged on the upper end surface of the power plate; the guide blocks are correspondingly and fixedly arranged on the outer walls of the reference weights.

6. The weight stacked high-precision heating and pressure maintaining equipment according to claim 2, wherein the single-power multiple-weight single-heating and pressure maintaining jig further comprises multiple guide posts and multiple jacking springs;

a plurality of guide holes penetrating through the upper end surface and the lower end surface of the workpiece pressing plate are uniformly formed in the periphery of the workpiece pressing plate; the guide posts are uniformly and fixedly arranged on the periphery of the lower bottom surface of the power plate downwards, and the lower ends of the guide posts are correspondingly in interference fit and movably arranged in the guide holes in a penetrating manner; and a plurality of top pressure springs are uniformly and fixedly arranged between the periphery of the lower bottom surface of the power plate and the periphery of the upper end surface of the workpiece pressing plate.

7. The weight stacked high-precision heating and pressure maintaining device according to claim 1, wherein the heating and pressure maintaining reverse jacking jig comprises a jig seat, a camera module floating heating saddle and a lifting member B;

the fixture seat comprises a heatable workpiece bearing plate and a fixed bottom plate which supports the heatable workpiece bearing plate through a plurality of support columns; the heatable workpiece bearing plate is suitable for carrying a workpiece with a downward-protruding camera module, and the upper end surface of the heatable workpiece bearing plate is downwards provided with a lifting port which is over against the camera module;

the camera module floating heating support platform is embedded in the lifting port and is fixedly arranged at the upper part of the lifting component B; the lifting component B is arranged on the fixed bottom plate.

8. The weight stacked high-precision heating and pressure maintaining device according to claim 7, wherein the camera module floating heating support platform comprises a heating block, a heat insulation block, a lifting block, a U-shaped seat, a fixing ring and a floating limiting bolt;

the heating block, the heat insulation block and the lifting block are sequentially fixed from top to bottom; the U-shaped seat is fixedly arranged on the lower bottom surface of the heatable workpiece bearing plate and is opposite to the lifting port, and the left side and the right side of the inner bottom surface of the U-shaped seat are respectively provided with a guide groove penetrating to the lower bottom surface of the U-shaped seat; two guide rods which correspondingly penetrate through the two guide grooves from top to bottom are arranged on two sides of the bottom of the lifting block in a downward extending manner;

during the beginning, the bottom surface is laminated mutually with solid fixed ring inner bottom wall under the spacing bolt that floats, and solid fixed ring inner top wall and the spacing bolt top surface of floating form between and go up the lift clearance.

9. The weight stacked high-precision heating and pressure maintaining device according to claim 8, wherein the camera module floating heating support platform further comprises a reverse top spring, a connecting block and a pressure sensor B;

the middle part of the bottom of the lifting block is upwards provided with an upper clamping groove; the middle part of the inner bottom surface of the U-shaped seat is downwards provided with a lower clamping groove; the upper end of the reverse top spring is clamped and fixed to the upper clamping groove, and the lower end of the reverse top spring is connected with the upper end face of the connecting block; the lower bottom surface of the connecting block is fixed with the upper part of the pressure sensor B, and the lower part of the pressure sensor B is clamped and fixed in the lower clamping groove.

10. The weight stacking type high-precision heating and pressure maintaining equipment according to any one of claims 1 to 9, further comprising a transverse U-shaped bracket seat, a vertical sliding rail and a sliding block;

the heating and pressure maintaining reverse jacking jig is arranged on the inner bottom surface of the horizontal U-shaped bracket seat; the vertical slide rail is fixedly arranged on the inner rear wall of the horizontal U-shaped bracket seat; the sliding block can be arranged on the vertical sliding rail in a vertically movable manner; the multi-position heating and pressure maintaining jig is fixedly arranged on the sliding block; the lifting component A is fixedly arranged at the top of the horizontal U-shaped bracket seat.