CN210764978U

CN210764978U - Lifting device and hot bending equipment

Info

Publication number: CN210764978U
Application number: CN201921543631.2U
Authority: CN
Inventors: 岑良军; 屈明; 温冬冬; 聂勇; 金剑
Original assignee: Fuyao Group Shanghai Automotive Glass Co Ltd
Current assignee: Fuyao Group Shanghai Automotive Glass Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-16
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to a curved surface glass shaping technical field discloses a hoisting device and curved equipment of heat. The lifting device is used for lifting an upper die, and comprises a frame body, a connecting plate, a lifting mechanism and an auxiliary lifting mechanism, wherein the frame body is arranged above the upper die, the connecting plate is connected with the upper die, the lifting mechanism is arranged on the frame body, the output end of the lifting mechanism is connected with the connecting plate, the auxiliary lifting mechanism is arranged on the frame body, the output end of the auxiliary lifting mechanism is connected with the connecting plate, and the auxiliary lifting mechanism can be driven by the lifting mechanism together to be connected with the connecting plate and drive the upper die to perform lifting motion. The lifting device is stable in lifting process and not easy to clamp. This equipment that bends hotly passes through above-mentioned hoisting device, can realize going up the mould and promote stably, and the promotion piece is not fragile, and the product shaping is accurate.

Description

Lifting device and hot bending equipment

Technical Field

The utility model relates to a curved surface glass shaping technical field especially relates to a hoisting device and curved equipment of heat.

Background

With the progress of science and technology and industry, automobile glass, electronic products and the like which are commonly used in daily life are increasingly applied to hot bending glass. The hot bending glass is curved glass which is made by heating and softening flat glass, forming in a mould and finally annealing.

A hot-bending glass processing apparatus generally includes a heating furnace for heating and softening a sheet glass and a hot-bending mold for hot-bending and molding the softened glass. The mould includes mould and lower mould, when putting into the mould with the glass that softens or take out the mould with fashioned glass, all need earlier to hoist the mould through hoisting device. Among the current last mould hoisting device, be provided with the cylinder on the support body of last mould top, the output of cylinder sets up down and is connected with the last mould of mould, and the piston rod stretches out and can drive the mould decline and with the lower mould lock, and the piston rod is retrieved and to be driven the mould and promote and leave the lower mould to the realization is got and is put glass. However, because the temperature of the heating furnace is very high (can reach 600 ℃ -700 ℃), and the distance between the cylinder for lifting the upper mold and the heating furnace is short, the piston of the cylinder is easy to expand by heating, although the cylinder expanding by heating can continue to work to realize the lifting action, the piston rod can be blocked and vibrated in the motion process, so that the lifting process of the upper mold is not stable enough, and the upper mold and softened glass are in friction collision, so that the precision of hot-bending glass forming is influenced.

Therefore, it is desirable to provide a mold lifting device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting device, this lifting device lift process is stable, and difficult card is dun.

An object of the utility model is to provide a curved equipment of heat, this curved equipment of heat goes up the mould and promotes stably, and it is not fragile to promote the piece, and the product shaping is accurate.

To achieve the purpose, the utility model adopts the following technical proposal:

a lifting device for lifting an upper die, comprising:

the frame body is arranged above the upper die;

the connecting plate is connected with the upper die;

the lifting mechanism is arranged on the frame body, and the output end of the lifting mechanism is connected with the connecting plate;

the auxiliary lifting mechanism is arranged on the frame body, the output end of the auxiliary lifting mechanism is connected with the connecting plate, and the auxiliary lifting mechanism and the lifting mechanism can jointly drive the connecting plate and drive the upper die to perform lifting motion.

Optionally, the lifting mechanism comprises a cylinder, the cylinder is arranged on the upper side of the frame body, and the output end of the cylinder is arranged upwards.

Optionally, the lifting mechanism further includes a supporting member and a connecting member, the supporting member is connected to the output end of the cylinder, and two ends of the connecting member are respectively connected to the supporting member and the connecting plate.

Optionally, the number of the cylinders is multiple, the output end of each cylinder is connected to one of the supporting members, and the two ends of each supporting member are respectively provided with the connecting member.

Optionally, a guide rail is arranged on the frame body in the vertical direction, a sliding block is arranged on the connecting plate, and the sliding block is in sliding fit with the guide rail.

Optionally, the auxiliary lifting mechanism includes auxiliary driving piece and first transmission assembly, first transmission assembly includes a rotation piece and a lifting piece, the rotation piece with auxiliary driving piece's output is connected, the lifting piece with the connecting plate is connected, auxiliary driving piece can drive the rotation piece rotates, so that the lifting piece drives the connecting plate reaches go up the mould and realize elevating movement.

Optionally, the auxiliary lifting mechanism further includes a second transmission assembly, one end of the second transmission assembly is connected to the output end of the auxiliary driving member, and the other end of the second transmission assembly is connected to the two rotating members.

The utility model provides a hot bending equipment, includes above-mentioned hoisting device, goes up mould, lower mould and heating furnace, hoisting device with go up the mould and be connected, the heating furnace set up in the lower mould below is used for the heat softening work piece, go up the mould with be used for placing between the lower mould the work piece is with its press forming.

Optionally, the lower die can be selectively arranged opposite to the upper die.

Optionally, the hot bending equipment further comprises a grabbing mechanism, the grabbing mechanism is arranged on the frame body, and the grabbing mechanism can take out the glass from the heating furnace.

The advantages and the beneficial effects are that:

the utility model provides a lifting device, including setting up at the support body of last mould top and the connecting plate that is connected with last mould, still include hoist mechanism and supplementary hoist mechanism, hoist mechanism and supplementary hoist mechanism's output all is connected with the connecting plate, and supplementary hoist mechanism can drive the connecting plate with hoist mechanism together and realize elevating movement with last mould. Lifting mechanism and supplementary lifting mechanism drive jointly and go up the mould and realize elevating movement, even if lifting mechanism appears the condition of thermal expansion, go up the mould under supplementary lifting mechanism's drive action, still can guarantee to go up the lift process of mould smooth steady, avoid going up the mould and produce friction collision with the work piece that softens, ensure glass's shaping precision.

The utility model provides a hot bending equipment, including above-mentioned hoisting device, last mould, lower mould and heating furnace, the heating furnace can soften the work piece, goes up mould and lower mould and can be with work piece press forming. The hot bending equipment can stably lift the upper die through the lifting device, the lifting piece is not easy to damage, and the product is accurately formed.

Drawings

Fig. 1 is a schematic view of a mold lifting device and an upper mold according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic structural view of a mold lifting device according to an embodiment of the present invention.

In the figure:

1-a frame body; 2-connecting plates; 3-a lifting mechanism; 4-an auxiliary lifting mechanism; 5-a guide rail; 6-a slide block; 7-upper die; 8-a gripping mechanism;

31-a cylinder; 32-a support member; 33-a connector; 41-auxiliary driving part; 42-a first transmission assembly; 43-a second transmission assembly; 81-grabbing a lifting assembly; 82-a suction cup; 83-a suction drive assembly;

421-a rotating member; 422-lifting member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and 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" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Curved glass is more and more widely applied to daily life of people, and the curved glass needs to be subjected to a glass hot bending process in the processing process. The embodiment provides hot bending equipment which can be used in the technical field of glass hot bending forming and can also be used for hot bending processes of other materials. As shown in fig. 1, the hot bending apparatus includes a lifting device, an upper die 7, a lower die and a heating furnace in sequence from top to bottom. The heating furnace sets up in the below of lower mould and is used for heating the work piece and softens, and the lower mould can be followed the horizontal direction and moved to can the selectivity just to setting up with last mould, when going up mould and lower mould just to setting up, can place the work piece between last mould 7 and the lower mould, and with work piece compression moulding. The lifting device is arranged on the frame body and connected with the upper die 7, and the lifting device can drive the upper die 7 to move along the vertical direction. Particularly, hoisting device can drive and go up mould 7 downstream, goes up mould 7 and lower mould lock to the work piece can be in the mould press forming, and hoisting device drives and goes up mould 7 upstream and can realize opening mould 7 and lower mould, thereby takes out the work piece from the mould.

Further, in order to achieve the purpose of taking out the heat-softened workpiece in the heating furnace and placing it between the upper mold 7 and the lower mold, as shown in fig. 1, the hot bending apparatus further includes a gripping mechanism 8, and the gripping mechanism 8 is capable of taking out the workpiece from the heating furnace and placing it on the lower mold. Particularly, in this embodiment, snatch mechanism 8 including snatching lifting unit 81, sucking disc 82 and absorption drive assembly 83, sucking disc 82 wear to locate in last mould 7 and with last mould 7 sliding fit, sucking disc 82 is used for snatching the work piece, snatchs lifting unit 81 one end and fixes on support body 1, snatchs lifting unit 81's output and is connected with sucking disc 82 to can drive sucking disc 82 and work piece realization elevating movement, absorption drive assembly 83 can provide power for sucking disc 82 adsorbs.

The utility model discloses the theory of operation of the curved equipment of heat is as follows:

after a workpiece is heated and softened in the heating furnace, the grabbing and lifting assembly 81 drives the sucker 82 to move downwards and penetrate into the heating furnace, the sucker 82 adsorbs the softened workpiece under the action of the adsorption driving assembly 83 and lifts and takes out the workpiece from the heating furnace, the lower die moves to a position below the sucker 82 and right opposite to the upper die 7 along the horizontal direction, the grabbing and lifting assembly 81 drives the sucker 82 to move downwards, the sucker 82 places the workpiece on the lower die, and the lifting device drives the upper die 7 to move downwards to be buckled with the lower die;

after the workpiece is formed, the lifting device drives the upper die 7 to move upwards to leave the lower die, the adsorption driving assembly 83 stops driving the suction cup 82, the suction cup 82 releases the workpiece, the grabbing lifting assembly 81 drives the suction cup 82 to move upwards to leave the workpiece, and the lower die drives the formed workpiece to move horizontally to leave the hot bending equipment and convey the workpiece to a discharging position.

Among the prior art, the cylinder that sets up down is usually adopted in the lift of going up the mould, however, the temperature of heating furnace is very high, and the cylinder is nearer with the heating furnace distance, and the piston of cylinder is heated the inflation easily, and the piston rod motion process can appear blocking and vibrate, leads to the process of going up the mould lift unstable inadequately, goes up the mould and takes place the friction and collision with the glass that softens to influence the fashioned precision of hot bending glass.

In order to solve the above problem, this embodiment provides a lifting device, be used for going up mould 7 in the lift, lifting device includes support body 1, connecting plate 2, hoist mechanism 3 and supplementary hoist mechanism 4, support body 1 sets up the top at last mould 7, the connecting plate is connected with last mould 7, hoist mechanism 3 sets up on support body 1, hoist mechanism 3's output is connected with connecting plate 2, supplementary hoist mechanism 4 sets up on support body 1, the output of supplementary hoist mechanism 4 is connected with connecting plate 2, supplementary hoist mechanism 4 can drive connecting plate 2 with hoist mechanism 3 jointly, and drive and go up mould 7 and carry out elevating movement. Lifting mechanism 3 and supplementary lifting mechanism 4 drive jointly and go up the mould and realize elevating movement, even if lifting mechanism 3 appears being heated the expanded condition, under the drive action of supplementary lifting mechanism 4, go up mould 7 and still can realize steady smooth lift, avoid going up mould 7 and softened work piece and produce friction and collision, ensure glass's shaping precision. Specifically, in this embodiment, the lifting mechanism 3 includes a plurality of cylinders 31, the cylinders 31 may be a plurality of cylinders, the output ends of the cylinders 31 are connected to the connecting plate 2, a polish rod is disposed below the connecting plate 2, and the connecting plate 2 is connected to the upper mold 7 through the polish rod.

In order to improve the stability of the lifting process of the upper die 7, as shown in fig. 1, a guide rail 5 is arranged on the frame body 1 along the vertical direction, a sliding block 6 is arranged on the connecting plate 2, and the sliding block 6 is in sliding fit with the guide rail 5. The lifting process of the connecting plate 2 can be smoother by arranging the sliding block 6 and the guide rail 5, so that the lifting of the upper die 7 is smoother.

Among the prior art, the cylinder is fixed in support body 1 below, and the output of cylinder sets up down, and the piston of cylinder easily receives the heat altered shape on the one hand, and when the deformation was serious, the piston card was unable when warping in the cylinder shell, and on the other hand, the cylinder need bear the whole gravity of going up mould 7 and cylinder with support body 1's connection position, and connection position department atress is great, and fragile leads to hoisting device cost of maintenance to increase. In order to solve the above problem, as shown in fig. 1, the cylinder 31 is disposed at an upper side of the frame body 1, and an output end of the cylinder 31 is disposed upward. Compare and set up cylinder 31 output down in prior art in the support body below, set up cylinder 31 up and to make cylinder 31's piston keep away from the heating furnace, the piston rod is difficult for taking place to warp, guarantees that cylinder 31 normally works, and the lift process of mould 7 is gone up in the realization is smooth steady. In addition, cylinder 31 sets up in the upside of support body 1, and the upper surface of support body 1 plays the supporting role to cylinder 31, consequently can reduce the atress of cylinder 31 and the 1 hookup location of support body greatly, avoids the damage at this position of cylinder 31, reduces cost of maintenance. Further, in order to better avoid the cylinder 31 from being heated, a fan or a blower fan can be further arranged above the frame body 1 to physically cool the cylinder.

In order to connect the output end of the cylinder 31 facing upwards to the connecting plate 2, as shown in fig. 1, the lifting mechanism 3 further includes a supporting member 32 and a connecting member 33, the supporting member 32 is connected to the output end of the cylinder 31, and two ends of the connecting member 33 are respectively connected to the supporting member 32 and the connecting plate 2. By providing the support member 32 and the connecting member 33, the upward movement of the cylinder 31 can be converted into the lifting movement of the connecting plate 2 located below the cylinder 31. Specifically, in the present embodiment, the supporting member 32 is a rigid rod-shaped member, and the connecting member 33 may be a non-elastic member such as a rope or a chain.

Support piece 32 one end is connected and is fixed with cylinder 31 output, and the other end is connected with connecting piece 33 and receives the decurrent pulling force of connecting piece 33, and connecting piece 33 takes place the slight back that warp, and cylinder 31's output atress can be partial to connecting piece 33 one side, leads to cylinder 31's output atress can not be vertical upwards, takes place the incline, and then influences the life-span of cylinder. In order to avoid the damage of the air cylinders 31, as shown in fig. 1, the output end of each air cylinder 31 is connected with a supporting member 32, and both ends of the supporting member 32 are respectively provided with a connecting member 33. The connecting parts 33 at the two ends of the supporting part 32 apply pulling force to the two ends of the supporting part 32, the output end of the air cylinder 31 is connected to the middle part of the supporting part 32 and provides vertical upward supporting force for the supporting part 32, so that the force applied to the output end of the air cylinder 31 is in the vertical direction, deflection cannot occur, and the service life of the air cylinder is prolonged.

Further, a support member 32 is uniformly connected with two cylinders 31 along the length direction, two ends of the support member 32 are respectively connected with a connecting piece 33, at the moment, the support member 32 is subjected to two upward supporting forces and two downward pulling forces, and stress points of the four forces are uniformly distributed on the support member 32, so that the output end of the cylinder 31 is not stressed obliquely, and the support member 32 can be stressed more uniformly and is not easy to damage. In addition, the supporting piece 32 is supported by the output ends of the two air cylinders 31, and the lifting movement process is more stable.

The auxiliary lifting mechanism 4 can realize the lifting action on the upper die 7 together with the lifting mechanism 3, as shown in fig. 2 and fig. 3, the auxiliary lifting mechanism 4 includes an auxiliary driving part 41 and a first transmission component 42, the first transmission component 42 includes a rotating part 421 and a lifting part 422, the rotating part 421 is connected with the output end of the auxiliary driving part 41, the lifting part 422 is connected with the connecting plate 2, the auxiliary driving part 41 can drive the rotating part 421 to rotate, so that the lifting part 422 drives the connecting plate 2 and the upper die 7 to realize the lifting movement. The auxiliary lifting mechanism 4 can realize the lifting action on the upper die 7, and the lifting effect of the auxiliary driving part 41 and the first transmission component 42 cannot be influenced by heat. Specifically, in this embodiment, the auxiliary driving element 41 may be a servo motor, the first transmission assembly 42 may be a screw nut structure, the rotating element 421 is a screw, the lifting element 422 is a nut, and the nut is sleeved on the screw and is rotatably engaged with the screw. The output end of the servo motor is connected with the screw rod, the outer end of the lifting piece 422 is connected with a shell, and the lifting piece 422 is connected with the connecting plate 2 through the shell.

The number of the auxiliary lifting mechanisms 4 may be multiple, and in order to improve the synchronism of the lifting of the upper mold 7 by the multiple auxiliary lifting mechanisms 4, as shown in fig. 3, the auxiliary lifting mechanism 4 further includes a second transmission assembly 43, one end of the second transmission assembly 43 is connected to the output end of the auxiliary driving member 41, and the other end is connected to the two rotating members 421. Through setting up second transmission assembly 43, can make two rotation pieces 421 of an auxiliary drive 41 synchronous drive rotate to can drive two connecting plates 2 motions, improved the synchronism that a plurality of auxiliary lifting mechanism 4 promoted last mould 7. Specifically, in this embodiment, the second transmission assembly 43 is a synchronous belt and a belt pulley, the belt pulley is connected to the output ends of the two rotating members 421 and the auxiliary driving member 41 respectively, the synchronous belt is tensioned and sleeved on the three belt pulleys, the auxiliary driving member 41 drives the belt pulley on the output end to rotate, and the belt pulley transmits the rotation to the two belt pulleys connected to the rotating members 421 through the synchronous belt and drives the two rotating members 421 to rotate. In other embodiments, the second transmission assembly 43 may also be a sprocket and chain.

Preferably, the two connecting plates 2 driven by the same auxiliary driving member 41 are connected to the same supporting member 32 through two connecting members 33, so that the synchronism of the lifting of the upper mold 7 by the lifting mechanism 3 and the auxiliary lifting mechanism 4 is further improved.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A lifting device for lifting an upper die (7), comprising:

the frame body (1) is arranged above the upper die (7);

the connecting plate (2) is connected with the upper die (7);

the lifting mechanism (3) is arranged on the frame body (1), and the output end of the lifting mechanism (3) is connected with the connecting plate (2);

the auxiliary lifting mechanism (4) is arranged on the frame body (1), the output end of the auxiliary lifting mechanism is connected with the connecting plate (2), and the auxiliary lifting mechanism (4) and the lifting mechanism (3) can drive the connecting plate (2) together and drive the upper die (7) to perform lifting motion.

2. The lifting device according to claim 1, characterized in that the lifting mechanism (3) comprises a cylinder (31), the cylinder (31) is arranged on the upper side of the frame body (1), and the output end of the cylinder (31) is arranged upwards.

3. The lifting device according to claim 2, characterized in that the lifting mechanism (3) further comprises a support member (32) and a connecting member (33), the support member (32) being connected to the output end of the cylinder (31), the connecting member (33) being connected at its two ends to the support member (32) and the connecting plate (2), respectively.

4. A lifting device as claimed in claim 3, characterized in that said cylinders (31) are plural, the output end of each cylinder (31) being connected to one of said supporting members (32), and said connecting members (33) being provided at both ends of said supporting members (32), respectively.

5. A lifting device as claimed in any one of claims 1 to 4, characterized in that the frame body (1) is provided with a guide rail (5) in a vertical direction, and the connecting plate (2) is provided with a slide block (6), the slide block (6) being in sliding engagement with the guide rail (5).

6. The lifting device according to any one of claims 1 to 4, wherein the auxiliary lifting mechanism (4) comprises an auxiliary driving member (41) and a first transmission assembly (42), the first transmission assembly (42) comprises a rotating member (421) and a lifting member (422), the rotating member (421) is connected with the output end of the auxiliary driving member (41), the lifting member (422) is connected with the connecting plate (2), and the auxiliary driving member (41) can drive the rotating member (421) to rotate, so that the lifting member (422) drives the connecting plate (2) and the upper die (7) to perform lifting movement.

7. A lifting device as claimed in claim 6, characterized in that the auxiliary lifting mechanism (4) further comprises a second transmission assembly (43), one end of the second transmission assembly (43) being connected to the output of the auxiliary drive (41) and the other end being connected to the two rotary members (421).

8. A hot-bending apparatus comprising the lifting device according to any one of claims 1 to 7, an upper die (7), a lower die, and a heating furnace, the lifting device being connected to the upper die (7), the heating furnace being disposed below the lower die and adapted to heat and soften a workpiece, the workpiece being placed between the upper die (7) and the lower die and press-formed.

9. Hot bending apparatus according to claim 8, wherein the lower die is selectively positionable opposite the upper die (7).

10. A hot bending apparatus according to claim 9, further comprising a gripping mechanism (8), said gripping mechanism (8) being provided on said frame (1), said gripping mechanism (8) being capable of taking glass out of said furnace.