CN208136081U - 3D cover-plate glass hot-bending machine - Google Patents

Abstract

The utility model discloses 3D cover-plate glass hot-bending machine, First Transition room is provided between its import department and molding room, the first isolating door is arranged in one end that First Transition room is connect with import department, the second isolating door is arranged in its one end connected with molding room, the second transition chamber is provided between the molding room and outlet portion of hot-bending machine, third isolating door is arranged in one end that second transition chamber is connected with molding room, its one end connected with outlet portion is provided in the 4th isolating door, molding room and First Transition room and the second transition chamber and is provided with vacuum evacuation device.This programme by increasing transition chamber between the inlet and outlet and molding room of hot-bending machine and controls on-off by isolating door, when molding die passes in and out molding room, it can effectively ensure that the vacuum degree in molding room, avoid the problem of oxidation of molding die under hot environment, simultaneously, by the way of replacing traditional logical nitrogen using vacuum ring, be conducive to energy saving, simplify the structure of ventilation and the exhaust of equipment.

Description

3D cover-plate glass hot-bending machine

Technical field

It is hot standby that the utility model relates to hot bendings, especially 3D cover-plate glass hot-bending machine.

Background technique

With the arrival in 5G signal epoch, the shortcomings that traditional metal shell shielded signal, tends to be obvious, and glass is as hand Machine shell has many merits such as novel appearance, comfortable feel, good plasticity, gradually replaces traditional plastic shell And metal shell.

Newest innovation first is that obtaining three-dimensional structure shape by the edge or center of curved glass, i.e., by adding Surrounding while hot and to glass cover-plate applies pressure, to make the cover-plate glass under existing two-dimensional plane state bend to three-dimensional Shape.

Common practice is to design graphite jig corresponding with hand-set lid glass shape, be used in combination by heating module Cylinder applies pressure to mold, makes glass heated bending at the three-dimensional structure of needs.

But during hot bending, since molding die is under hot environment, easily aoxidize, it is therefore desirable to using big Amount nitrogen protects graphite jig, and one needs to continue to keep being passed through to maintain nitrogen environment of nitrogen, and two is corresponding to need Ventilation device and flow control etc., this has resulted in the waste of certain resource and the complication of structure.

Simultaneously in conventional hot-bending machine, heating module, as shown in Fig. 1, including upper and lower two heating parts, lower heating Part is arranged on the baseplane of bracket, and upper heating part is erected at one piece of top plate parallel with baseplane by cylinder On, since the weight of each upper heating part is in 50kg or so, and there is 9-15 station in complete equipment, as a result, on top plate Weight bearing in 500kg or so, simultaneously as top plate is connected with baseplane merely by the side plate of their edges, therefore The case where top plate is easily bent under biggish weight bearing shows low state between the senior middle school of both ends, so as to cause entire The support accuracy of top plate is deteriorated, in addition, high-temperature temperature long-term in molding room, also further increases the item of top plate deformation Part.

Also, after top plate deformation, the positional shift of the through-hole of piston rod and top plate is also resulted in, in stretching for piston rod In compression process, friction can be generated with the inner wall in the hole on top plate and against further affecting heating part in axial direction Mobile precision and service life.

In addition, excessively high temperature easily makes piston rod overheating deforming, this is resulted in since upper heating module is connect with piston rod The reduction of cylinder piston rod mobile accuracy be easy to cause the precision of hot briquetting to reduce, corresponding, and the prior art is in upper heating Cooling device is set to avoid this problem, but such structure causes to run through on bracket by outer water tube in module Top plate after be connected to cooling device in heating module, meanwhile, entirely upper heating module is movement, thus water pipe with It is difficult to accomplish to seal at the top plate of bracket.

In addition, existing heat-proof device is based on metal material, from great, and cause the thermal loss of heat block big.

Utility model content

The purpose of this utility model is exactly to provide a kind of by making into solve the above-mentioned problems in the prior art Type room maintains vacuum and avoids vacuum environment in molding room by the opening and closing of the vacuum environment at vacuum chamber both ends and isolating door The mode destroyed replaces the prior art all by way of being passed through nitrogen and being protected, to improve a kind of energy section The about 3D cover-plate glass hot-bending machine of type, changes effective technological means.

The purpose of this utility model is achieved through the following technical solutions：

3D cover-plate glass hot-bending machine, including import department, molding room and outlet portion, are arranged between the import department and molding room There is First Transition room, the first isolating door is arranged in one end that the First Transition room is connect with the import department, and molding room connects The second isolating door is arranged in the one end connect, and the second transition chamber, second transition chamber are provided between the molding room and outlet portion One end setting third isolating door connected with the molding room, the one end connected with outlet portion is provided with the 4th isolating door, institute It states in molding room and First Transition room and the second transition chamber and is provided with vacuum evacuation device.

Preferably, in the 3D cover-plate glass hot-bending machine, the import department of the molding room and outlet portion are provided with pumping Vacuum plant.

It preferably, include one group of continuous heating station in the molding room, often in the 3D cover-plate glass hot-bending machine It include lightweight heating device in a heating station, the lightweight heating device is included at least and is set on bracket and can be opposite The upper heating module that bracket moves longitudinally, the driving cylinder of upper its lifting of heating module connection driving, the driving gas Cooling medium channel is offered on the piston rod of cylinder.

Preferably, in the 3D cover-plate glass hot-bending machine, the upper heating module include sequentially connected heat-proof device, It is built-in with the heat block and soakage device of one group of heating tube, the heat-proof device is connect with the piston rod of the driving cylinder.

Preferably, in the 3D cover-plate glass hot-bending machine, the heat-proof device be polycrystal alumina mullite layer or with The heat insulator of the heat block line contact or point contact.

Preferably, in the 3D cover-plate glass hot-bending machine, the longitudinal direction that the driving cylinder is suspended in the bracket is set On the mounting plate set.

Preferably, in the 3D cover-plate glass hot-bending machine, the piston rod of the driving cylinder passes through outside framework oil seal and institute State the top plate connection of bracket.

Preferably, in the 3D cover-plate glass hot-bending machine, one end position is additionally provided on the piston rod of the driving cylinder Between the top plate and driving cylinder main body of the bracket, the other end is located at the cable-through hole below the top plate.

Preferably, it in the 3D cover-plate glass hot-bending machine, is additionally provided on the base plate of the bracket on described Heating module lower section and the lower heating module for keeping gap.

The advantages of technical solutions of the utility model, is mainly reflected in：

This programme deft design, structure is simple, by increasing transition chamber between the inlet and outlet and molding room of hot-bending machine, and The on-off between them is controlled by isolation door, to can effectively ensure that into when molding die passes in and out molding room Vacuum degree in type room is passed to avoid the problem of oxidation of molding die under hot environment simultaneously as being replaced using vacuum ring The mode of the logical nitrogen of system, therefore be conducive to energy saving, simplify the structure of ventilation and the exhaust of equipment.

Cooling structure is directly provided on the piston rod of driving cylinder, not only changes by the lightweight heating device of this programme It has been apt to the cooling effect of piston rod, has alleviated the weight of piston rod, meanwhile, the cooling in traditional upper heating module can be saved Device simplifies the structure of heating module, reduces the weight of heating module；In addition, piston of the cooling structure in cylinder Also avoided in traditional structure on bar, cooling pipe need the upper plate across bracket lead to not effectively seal occur heat dissipate The problem of mistake.

The through-hole that cabling is further increased on the piston rod of cylinder is driven, the route needs for avoiding conventional heat block pass through Perforating branches frame is conducive to the thermal loss of gap heating environment to cause the problem of can not effectively sealing.

Using special heat-barrier material and structure, it is effectively reduced the heat loss of heat block, and is realized heat-insulated The lightweight of block.

The setting of outside framework oil seal ensure that the leakproofness between driving cylinder and top panel, so as to avoid upper heating module Heat loss.

The weight of lightweight heating device is far smaller than the weight of conventional heating module, therefore when multiple lightweights are heated A possibility that device is arranged when on same top plate, and the gravity that they are generated is opposite to be reduced, and top plate deforms reduces, and has guarantor Demonstrate,prove the mobile accuracy of support strength and cylinder.

By the way that upper heating module to be set on longitudinally disposed mounting plate, longitudinally disposed mounting plate is by heating module Gravity influence is small, is unlikely to deform, can effectively avoid that upper heating module being set on horizontal mounting plate in the prior art, cause The problem of mounting plate deforms vulnerable to gravity and then influences upper heating module longitudinal movement precision, ensure that support strength and peace Precision is filled, the rigidity of equipment entirety is strengthened, is conducive to the running precision and stability that improve equipment.

Since driving cylinder has stable support, piston rod will not be contacted with the inner wall of the through-hole on upper flat plate, Mutual abrasion and interference are avoided, ensure that mobile precision and efficiency.

Longitudinally mounted plate influenced by high temperature in hot-bending machine it is small, be not easy because high temperature influence deform, be conducive to be further ensured that The support strength of mounting plate.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of existing heating module described in the background technique；

Fig. 2 is the schematic diagram of the hot-bending machine of the utility model；

Fig. 3 is the structural schematic diagram of the lightweight heating device of the utility model;

Fig. 4 is a kind of structural schematic diagram of embodiment of the upper heating module of the utility model；

Fig. 5 is the structural schematic diagram of another embodiment of the upper heating module of the utility model；

Fig. 6 is the schematic diagram of the soakage device of the utility model；

Fig. 7 is the top view of the middle layer in the soakage device of the utility model.

Specific embodiment

The purpose of this utility model, advantage and feature will carry out figure by the non-limitative illustration of preferred embodiment below Show and explains.These embodiments are only the prominent examples using technical solutions of the utility model, all to take equivalent replacement or wait Effect transformation and formed technical solution, all fall within the requires of the utility model protection within the scope of.

In the description of scheme, it should be noted that term " center ", "upper", "lower", "left", "right", "front", "rear", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, It is merely for convenience of description and simplification description, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.Also, in retouching for scheme It is proximal end by the direction of proximal operator using operator as reference, the direction far from operator is distal end in stating.

3D cover-plate glass hot-bending machine is disclosed to the utility model with reference to the accompanying drawing, as shown in Fig. 2, including import department 10, molding room 50 and outlet portion 90 are provided with First Transition room 30, first mistake between the import department 10 and molding room 50 It crosses one end that room 30 is connect with the import department 10 and first isolating door 20, and one end setting second that molding room 50 connects is set Isolating door 40, is provided with the second transition chamber 70 between the molding room 50 and outlet portion 90, second transition chamber 70 and described Third isolating door 60 is arranged in one end that molding room 50 connects, and one end that outlet portion 90 connects is provided with the 4th isolating door 80, Vacuum evacuation device is provided in the molding room 50 and First Transition room 30 and the second transition chamber 70（It is not shown in the figure）.

When work, vacuum is kept by vacuum evacuation device in the molding room 50, when molding die needs enter molding It when room 50, first makes it into First Transition room 30, is then shut off the first isolating door 20 and vacuumizes First Transition room 30, by It is also vacuum state in First Transition room 30, therefore, when the second isolating door 40 is opened, is still able to maintain vacuum in molding room 50 State effectively avoids air and enters molding room；Molding die after processing is completed, first makes the second isolation ward in molding room 50 In vacuum state, then opening third isolating door again enters the product processed in the second isolation ward 70, is then switched off Third isolating door remains to effectively keep vacuum environment at this time in molding room, and last 4th isolating door is opened, the molding die It is removed from outlet portion 90.

Further, it in order to preferably guarantee vacuum effectiveness, reduces and enters First Transition room 30 and the second transition chamber 70 Air capacity improves the subsequent efficiency vacuumized, and the import department 10 of the preferably described molding room and outlet portion 90 are provided with and vacuumize Device first makes to form vacuum at import department 10 and outlet portion 90 before passing in and out molding die.

It meanwhile as shown in Fig. 1, include one group of continuous heating station in the molding room 50, they can be used for pre- Heat, hot bending and cooling technique, each technique generally include the 3-5 heating stations again, also, the light weight in order to realize equipment Change and guarantee the processing efficiency of each heating station, includes lightweight heating device 100 in each heating station, such as 3 institute of attached drawing Show, the lightweight heating device 100 is included at least and is set on bracket 4 and can be with respect to the upper heating that bracket 4 moves longitudinally Module 1, the upper connection of heating module 1 drive the driving cylinder 2 of its lifting, open up on the piston rod 21 of the driving cylinder 2 There is cooling medium channel 211, preferred cooling medium is preferably water, and the cooling medium channel 211 connects total water supply pipe 200, and the position of connector that the cooling medium channel 211 is connect with total water supply pipe 200 meets the piston Total water supply pipe 200 will not generate interference with the main element and bracket 4 of driving cylinder 2 in 21 telescopic process of bar.

Since piston rod 21 itself has cooling structure, corresponding, there is no need to corresponding on the upper heating module 1 Cooling structure, specifically from the point of view of, as shown in Fig. 4, the upper heating module 1 include sequentially connected heat-proof device 11, be built-in with The piston rod 21 of the heat block 12 and soakage device 13 of one group of heating tube 121, the heat-proof device 11 and the driving cylinder 2 connects It connects, they can be attached by bolt, can also be connected using other feasible modes, such as welded or be glued or rivet Deng not repeating.

The heat-proof device 11 is used to completely cut off the heat transmitting between heat block 12 and piston rod 21, reduces the heat of heat block 12 Amount loss, can be contacted with 12 face contact of heat block or line or the body of stainless steel of Multi-contact or superalloy body or Other materials with preferable heat-proof quality, for example, its can be cyclic structure, tubular structure or more independences and with heating The vertical branching rod structure etc. of the plane of block reduces heat block 12 because of heat so as to reduce the contact area with heat block 12 Conduct caused by thermal loss, as shown in attached drawing 4, attached drawing 5, the heat-proof device 11 be polycrystal alumina mullite layer or with institute State the contour heat insulator 111 of 12 line contact or point contact of heat block, the loss in addition to heat can be reduced, this material or knot Structure can greatly reduce the weight of heat-proof device 11, realize lightweight.

The heat block 12 is heated by heating tube 121 therein, but when heating tube heating, needs to power, right That answers must just carry out cabling, for the ease of cabling, while conventional wires be avoided to need top plate or other sides through bracket 4 The structure of wall causes to seal bad problem, as shown in Fig. 2, is additionally provided with one on the piston rod 21 of the driving cylinder 2 End is located between the top plate 42 of the bracket and driving 2 main body of cylinder, and the other end, which is located at below the top plate 42, crosses line Hole 212 so that the supply lines 300 of heating tube can pass through from the cable-through hole 212, and is no longer needed separately through bracket.

The surface for being distributed in heating module for the even heat that the soakage device 13 is used to that heat block 12 to be made to generate reduces Its surface temperature difference, to guarantee the uniformity of heating, in an optional embodiment, as shown in Fig. 6, the soakage device 13 Including passing hot linked shell 132 with heat block 12, the shell 132 has inner cavity 1321, and having in inner cavity 1321 can produce The heat-conducting gas of free convection is given birth to, is provided in the inner cavity 1321 and is divided at least two free convection regions 134 Middle layer 133, the middle layer 133 are the metal layer or ceramic layer with heating conduction, the preferably described middle layer 133 be copper or Tungsten or molybdenum or silicon nitride or one of aluminium nitride or silicon carbide.

Further, the middle layer 133 is 1-3 layers, more preferably 3 layers, corresponding, and as shown in Fig. 6, they will be described Inner cavity 1321 is divided into 4 free convection regions 134 from the bottom to top, and the heat-conducting gas in each free convection region 134 is certainly The uniform temperature distribution in horizontal direction, also, heat block described in distance in adjacent middle layer 133 are formed under right convection action The high-temperature area of 12 farther away middle layers 133 and the temperature gap of low-temperature region are less than apart from the closer centre of the heat block 12 The high-temperature area of layer and the temperature gap of low-temperature region.

Meanwhile two adjacent free convection regions 134 are interconnected, specifically, as shown in Fig. 7, the middle layer One group of capillary through holes 1331 is distributed on 133, so that two free convection regions 134 being divided by it pass through capillary through holes 1331 realize the circulation of heat-conducting gas.

Also, the capillary through holes 1331 can be various shape, preferably circular, oval or regular polygon, in addition, In order to enable the heat-conducting gas in each free convection region 134 has optimal convection effects, the capillary through holes 1331 are in Matrix is distributed, the size of the capillary through holes 1331 of the close 133 length direction two sides of middle layer in the capillary through holes 1331 Greater than the size of the capillary through holes 1331 in other regions, wherein large scale capillary through holes are for generating same interlayer crossflow, and small ruler Very little capillary through holes are for generating inter-level diffusion.

Specifically, the capillary through holes close to the 133 length direction side of middle layer are a column, it is long close to middle layer 133 The capillary through holes for spending the direction other side are three column, also, large scale capillary through holes correspond in adjacent middle layer 133, small ruler Very little capillary through holes mutual dislocation.

Cause the throughput being passed through that there is larger difference since the quantity variance of two sides large scale capillary through holes is larger, thus Two sides have draught head to generate interlayer crossflow, meanwhile, the small size capillary through holes of mutual dislocation make the hot gas in one layer Stream can participate in convection current from being diffused into upper one layer in small size capillary through holes again sufficiently after convection current soaking.

Using the present embodiment soakage device 13 when, by taking attached drawing 6 as an example, heat block 12 generate heat described in shell 132, far have closely since the different zones of shell 132 have with the spacing of heating rod 121, is alternatively formed high-temperature region on the shell And low-temperature space, corresponding, the heat-conducting gas in shell 132 generates alternate temperature difference region, to generate heat-conducting gas Free convection so that the temperature in bottom free convection region gradually homogenizes, and high-temperature heat-conductive gas and low temperature are led Hot gas makes the middle layer 133 of the free convection area top form high-temperature region and low-temperature space simultaneously, meanwhile, the middle layer 133 High-temperature region and low-temperature space the temperature difference be less than shell 132 and heat block 12 contact surface high-temperature region and low-temperature space the temperature difference, most Samming heat-conducting gas in bottom free convection region enters upper one by the capillary through holes 1331 in its top middle layer 133 Layer free convection region and again progress convection current samming, sequentially into shell 132 top when so that 132 top of shell The maximum temperature and minimum temperature in region are close, to realize the uniform temperature distribution in horizontal direction.

As shown in Fig. 2, the driving cylinder 2 is suspended at the wall surface of the longitudinally disposed mounting plate 3 on the bracket 4 On, also, the installation strength in order to guarantee the mounting plate 3,3 stress deformation of mounting plate is avoided, is provided on the mounting plate 3 Several reinforcers（It is not shown in the figure）, the reinforcer can be the mounting plate 3 away from it is described driving cylinder 2 one side on institute The reinforcing rib that bottom is extended to from the top of the mounting plate 3 for stating installation, is also possible to triangle part etc..

In addition, as shown in Fig. 2, the driving cylinder 2 connects the mounting plate 3 by link block 5, consequently facilitating described Drive cylinder 2 installation, specifically from the point of view of, the continuous connecting hole of an at least row is provided on the mounting plate 3（It is not shown in the figure）, Screw hole or through-hole are provided on the link block 5（It is not shown in the figure）, so as to realize their connection by bolt, and And by adjusting the position of the connecting hole on the screw hole or the corresponding mounting plate 3 of through-hole on link block 5, on adjusting On the other hand position of the heating module 1 on mounting plate 3 is also convenient for carrying out the addition of heating module 1 according to processing needs.

Further, as shown in Fig. 2, it is additionally provided on the lower plate 41 of the support 4 under the upper heating module 1 Side and the lower heating module 6 for keeping gap, the structure of the lower heating module 6 and the upper heating module 1 is identical or different, institute Stating lower heating module 6 may include independent cooling device, and cooling device is connect with the lower plate 41.

As shown in Fig. 2, the support 4 further includes positioned at lower 41 top of plate and in parallel upper flat plate 42, the perforative through-hole of piston rod 21 for driving cylinder 2 is offered on the upper flat plate 42, therefore during heating, it can Scattering and disappearing for heat is effectively avoided by upper flat plate 42, while mounting plate 3 and hot environment being separated, reduces high temperature to mounting plate 3 influence, but if cannot effectively seal between them, the heat that lightweight heating device generates still can be certain Degree is lost between their gap, to reduce heating efficiency, thus it is preferred to scheme in, by outside framework oil seal 8 with The top plate 42 of the bracket 4 connects.

When being processed using above-mentioned 3D cover-plate glass hot-bending machine comprising following steps：

Molding room 50 is vacuumized and is kept by vacuum evacuation device by S1, meanwhile, by vacuum evacuation device by the import It vacuumizes and keeps at portion 10, then open first isolating door 20, other isolating doors close

S2, the molding die 7 equipped with plain film cover-plate glass enter First Transition from import department 10 and the first isolating door 20 Room 203, first isolating door 20 are closed.

The First Transition room 30 is evacuated to identical as the vacuum degree of the molding room 50 by S3 by vacuum evacuation device And it keeps.

S4 opens second isolating door 40, and remains turned-off the first isolating door 20, and molding die 7 can be at this time It enters in the molding room 50, and second isolating door 40 is closed after the molding die 7 enters molding room 50.

The molding die 7 successively can be from institute after preheated, hot bending and cooling by each heating station of molding room 50 It states and is removed in molding room 50, before the removal of molding die 7, execute S5 step.

Second transition chamber 70 is evacuated to identical as the vacuum degree of the molding room 50 by S5 by vacuum evacuation device And keep, when opening third isolating door 60 at this time, the environment of second transition chamber 70 will not be to the vacuum ring in molding room 50 Border has an impact.

S6, the third isolating door 60 are opened, and the 4th isolating door 80 is closed, and the molding die 7 is by the molding room 50 It enters in second transition chamber 70, then the third isolating door 60 is closed.

S7 is isolated with molding room 50 by third due to the second transition chamber 70 at this time finally, the 4th isolating door 80 is opened Door 60 separates, and will not have an impact to the vacuum environment of molding room 50, then, the molding die 7 by the 4th isolating door 80 and Outlet portion 90 removes hot-bending machine, completes the molding of a 3D cover-plate glass.

Still there are many embodiment, all technologies formed using equivalents or equivalent transformation for the utility model Scheme is all fallen within the protection scope of the utility model.

Claims (9)

1.3D cover-plate glass hot-bending machine, it is characterised in that：Including import department（10）, molding room（50）And outlet portion（90）, described Import department（10）And molding room（50）Between be provided with First Transition room（30）, the First Transition room（30）With the import department （10）The first isolating door is arranged in one end of connection（20）, and molding room（50）The second isolating door is arranged in one end of connection（40）, The molding room（50）And outlet portion（90）Between be provided with the second transition chamber（70）, second transition chamber（70）With it is described at Type room（50）Third isolating door is arranged in one end of connection（60）, and outlet portion（90）One end of connection is provided with the 4th isolating door （80）, the molding room（50）With First Transition room（30）With the second transition chamber（70）In be provided with vacuum evacuation device.

2. 3D cover-plate glass hot-bending machine according to claim 1, it is characterised in that：The import department of the molding room（10）With Outlet portion（90）It is provided with vacuum evacuation device.

3. 3D cover-plate glass hot-bending machine according to claim 1, it is characterised in that：The molding room（50）In include one group Continuous heating station includes lightweight heating device in each heating station（100）, the lightweight heating device（100） Including at least being set to bracket（4）It above and can be with respect to bracket（4）The upper heating module to move longitudinally（1）, the upper heated mould Block（1）The driving cylinder of its lifting of connection driving（2）, the driving cylinder（2）Piston rod（21）On offer cooling medium Channel（211）.

4. 3D cover-plate glass hot-bending machine according to claim 3, it is characterised in that：The upper heating module（1）Including according to The heat-proof device of secondary connection（11）, be built-in with one group of heating tube（121）Heat block（12）And soakage device（13）, described heat-insulated Device（11）With the driving cylinder（2）Piston rod（21）Connection.

5. 3D cover-plate glass hot-bending machine according to claim 4, it is characterised in that：The heat-proof device（11）It is polycrystalline oxygen Change aluminum-containing mullite layer or with the heat block（12）The heat insulator of line contact or point contact.

6. 3D cover-plate glass hot-bending machine according to claim 3, it is characterised in that：The driving cylinder（2）It is suspended at institute State bracket（4）On longitudinally disposed mounting plate（3）On.

7. 3D cover-plate glass hot-bending machine according to claim 3, it is characterised in that：The driving cylinder（2）Piston rod （21）Pass through outside framework oil seal（8）With the bracket（4）Top plate（42）Connection.

8. 3D cover-plate glass hot-bending machine according to claim 7, it is characterised in that：The piston rod of the driving cylinder（21） On be additionally provided with the top plate that one end is located at the bracket（42）With driving cylinder（2）Between main body, the other end is located at the top Plate（42）The cable-through hole of lower section（212）.

9. 3D cover-plate glass hot-bending machine according to claim 3, it is characterised in that：The bracket（4）It is additionally provided with and is located at The upper heating module（1）Lower section and the lower heating module for keeping gap（6）.