CN216998155U

CN216998155U - Pressure applying device and hot bending forming equipment

Info

Publication number: CN216998155U
Application number: CN202220682189.7U
Authority: CN
Inventors: 李青; 李赫然; 李哲; 王德胜; 王浩; 孙超; 杨忠樑; 米小龙; 呼永安; 袁皎龙; 范红钧; 黄云
Original assignee: Sichuan Xuhong Optoelectronic Technology Co Ltd; Beijing Yuanda Xinda Technology Co Ltd
Current assignee: Sichuan Xuhong Optoelectronic Technology Co Ltd; Beijing Yuanda Xinda Technology Co Ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-19
Anticipated expiration: 2032-03-24

Abstract

The utility model relates to the field of hot bending forming equipment, and discloses a pressing device which comprises a base, a plurality of lifting devices and a plurality of pressing pieces, wherein the lifting devices are arranged on the base, the pressing pieces are arranged at the top ends of the lifting devices, and the lifting devices can drive the pressing pieces to move between a pressing position close to the base and a releasing position far away from the base. According to the technical scheme, the base with the plurality of lifting devices is arranged, the pressing piece is arranged at the top of each lifting device, and the lifting devices can drive the pressing pieces to move between the pressing position close to the base and the release position far away from the base, so that the pressing device is arranged below a piece to be bent, such as cover plate glass, and the pressing pieces extending to the upper part of the piece to be bent apply pressure to the piece to be bent, therefore, the heat emitted upwards by the piece to be bent cannot be blocked, and meanwhile, the top of the furnace chamber is provided with a space capable of being provided with the heat dissipation device.

Description

Pressure applying device and hot bending forming equipment

Technical Field

The utility model relates to the field of hot bending forming equipment, in particular to a pressing device and hot bending forming equipment.

Background

In the process of manufacturing the screen with the curvature, the cover glass needs to be subjected to hot bending processing by using hot bending forming equipment. In the existing hot bending apparatus, a heating mechanism and a pressing device are disposed on the top of a furnace chamber, i.e., above a cover glass, and the pressing device moves downward and presses the cover glass on a mold to thermally deform the cover glass. However, such a pressing device disposed above the cover glass is only suitable for cover glasses with smaller sizes, when the cover glass has a larger size, for example, when the length of the cover glass is greater than one meter, the heat required for thermal deformation of the cover glass is larger, but the heat needs to be dissipated timely after being pressed, the heat is concentrated and moves to the top of the furnace chamber during the production process, the heat dissipation is blocked when the pressing device is disposed above the cover glass, and the pressing device is disposed at the top of the furnace chamber, so that the pressing device does not have a space for disposing a heat dissipation device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that heat cannot be timely dissipated during hot bending and a heat dissipation device cannot be arranged on hot bending forming equipment due to the fact that a pressing device is arranged at the top of a furnace cavity in the prior art, and provides the pressing device and the hot bending forming equipment.

In order to achieve the above object, the present invention provides a pressing device, which includes a base, a plurality of lifting devices and a plurality of pressing members, wherein the plurality of lifting devices are disposed on the base, and a top end of each lifting device is provided with the pressing member, and the lifting devices can drive the pressing members to move between a pressing position close to the base and a releasing position far away from the base.

Optionally, the lifting device comprises a lifting rod penetrating through the base or comprises the lifting rod and a lifting driving piece, and the lifting rod can be driven by the lifting driving piece to move up and down in a direction close to or far away from the base; and/or

The lifting device is vertical to the base, and the pressing piece is a pressing plate vertical to the lifting device.

Optionally, the pressing device further includes a wheel body disposed below the base and a rotary driving member, the wheel body surrounds the periphery of the lifting device, and the rotary driving member is connected to the wheel body to drive the wheel body and the lifting rod to rotate around the central axis of the wheel body.

Optionally, the pressure applying device further comprises a telescopic device arranged at the bottom of the base, the telescopic device can move in a telescopic manner along a direction parallel to the base, the rotary driving part is arranged on the telescopic device, and the rotary driving part can drive the wheel body to rotate along with the telescopic movement of the telescopic device.

Optionally, the plurality of lifting devices are arranged in at least two parallel rows, the telescopic device is arranged between two adjacent rows of lifting devices, and the telescopic device is provided with a plurality of rotary driving pieces in one-to-one correspondence with the plurality of lifting devices in the two adjacent rows.

Optionally, the rotary driving member is a rack arranged along a telescopic moving direction of the telescopic device, and the wheel body is a gear structure matched with the rack; and/or

The telescopic device comprises a telescopic driving part and telescopic moving parts, the telescopic driving part is fixedly arranged at the bottom of the base, the telescopic moving parts are driven by the telescopic driving part to move in a telescopic mode along the direction parallel to the base, the telescopic moving parts are connected with the base in a sliding mode along the telescopic moving direction, and the rotary driving part is arranged on the telescopic moving parts.

Optionally, the pressing device further includes a sliding rail and a sliding block, the sliding rail is slidably connected to the sliding rail, the sliding rail extends along a telescopic moving direction of the telescopic device, one of the base and the telescopic moving member is provided with the sliding rail, and the other of the base and the telescopic moving member is provided with the sliding block.

Optionally, the pressing device further includes a sleeve shaft sleeved on the lifting rod, the lifting rod and the sleeve shaft are connected to each other in a sliding manner in a direction perpendicular to the base through a key structure, the sleeve shaft can rotate around the central axis of the lifting rod and is connected to the base, and the wheel body is disposed on the peripheral wall of the sleeve shaft.

Optionally, an adjustable joint for connecting the lifting driving member is arranged at the bottom end of the lifting rod, so that the lifting rod and the lifting driving member can rotate relatively around the central axis of the lifting rod; and/or

The base bottom is equipped with the installing frame, the rotatable setting of sleeve shaft is in the installing frame, the installing frame with the base all is equipped with the cover and establishes the guide pin bushing on the lifter periphery wall, the guide pin bushing with the lifter can wind the central axis relative rotation of lifter, the lift driving piece with the installing frame is connected.

The utility model also provides hot bending forming equipment which comprises the pressure applying device and the bearing platform, wherein the base is arranged below the bearing platform, the pressure applying piece is positioned above the bearing platform, and a space suitable for placing a template and a piece to be hot bent is formed between the bearing platform and the pressure applying piece.

According to the technical scheme, the base with the plurality of lifting devices is arranged, the pressing piece is arranged at the top of each lifting device, and the lifting devices can drive the pressing pieces to move between the pressing position close to the base and the releasing position far away from the base, so that the pressing device is arranged below a piece to be bent, such as cover glass, and the pressing pieces extending to the upper part of the piece to be bent apply pressure to the piece to be bent, therefore, the upward heat emitted by the piece to be bent cannot be blocked, and meanwhile, the top of the furnace chamber is provided with a space for arranging the heat radiating device.

Drawings

FIG. 1 is a front view of one embodiment of a pressure applicator provided by the present invention;

FIG. 2 is a left side view of the pressure applicator of FIG. 1;

FIG. 3 is a schematic view of a portion of the pressing device of FIG. 1;

FIG. 4 is a schematic view showing a state in which the pressing device of FIG. 1 is used;

FIG. 5 is a schematic structural diagram of one embodiment of a hot roll forming apparatus provided by the present invention.

Description of the reference numerals

1. A base; 2. a lifting device; 3. a lifting rod; 4. a sleeve shaft; 5. applying a pressing piece; 6. a wheel body; 7. rotating the driving member; 8. a telescopic driving member; 9. a telescopic moving member; 10. a slide rail; 11. a slider; 12. a loose joint; 13. a guide sleeve; 14. installing a frame; 15. a load-bearing platform; 16. heating plates; 17. forming a template; 18. a frame; 19. a feeding and discharging turnover door; 20. heating the tube.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The utility model provides a pressing device which comprises a base 1, a plurality of lifting devices 2 and a plurality of pressing pieces 5, wherein the plurality of lifting devices 2 are arranged on the base 1, the pressing pieces 5 are arranged at the top ends of the lifting devices 2, and the lifting devices 2 can drive the pressing pieces 5 to move between a pressing position close to the base 1 and a releasing position far away from the base 1.

According to the technical scheme, the base 1 with the plurality of lifting devices 2 is arranged, the pressing piece 5 is arranged at the top of each lifting device 2, and the lifting devices 2 can drive the pressing pieces 5 to move between the pressing positions close to the base 1 and the releasing positions far away from the base 1, so that the pressing device is arranged below a piece to be bent, such as cover glass, and the pressing pieces 5 extending above the piece to be bent apply pressure to the piece to be bent, therefore, the heat emitted upwards by the piece to be bent cannot be blocked, and meanwhile, the top of a furnace chamber is provided with a space for arranging a heat radiating device.

As shown in the embodiment shown in fig. 1 to 4, the lifting device 2 includes a lifting rod 3 penetrating through the base 1 and a lifting driving member, in this embodiment, the lifting driving member is detachably and fixedly connected to the mounting frame 14, so as to connect the lifting driving member to the base 1, the lifting rod 3 can be driven by the lifting driving member to move up and down in a direction approaching to or departing from the base 1, and in this embodiment, the lifting driving member is preferably a lifting cylinder. Of course, in other embodiments, the lifting device 2 may also only include the lifting rod 3, and the lifting driving member is disposed on the frame of the hot bending forming apparatus, or the lifting driving member is separately disposed on the working table or the ground, when the pressing device is used, the lifting rod 3 is first connected to the lifting driving member, and then the lifting rod 3 is driven by the lifting driving member to move up and down in a direction close to or away from the base 1.

In the embodiment shown in fig. 1 to 4, the lifting device 2 is perpendicular to the base 1, and the pressing member 5 is a pressing plate perpendicular to the lifting device 2. Of course, in other embodiments, the lifting device 2 may be disposed obliquely with respect to the base 1, the pressing member 5 may be disposed obliquely with respect to the lifting device 2, and the specific shape of the pressing member 5 may be adaptively changed according to the shape or portion of the pressure receiving member.

The pressing device further comprises a wheel body 6 and a rotary driving part 7, the wheel body 6 is arranged below the base 1, the periphery of the lifting device 2 is surrounded by the wheel body 6, and the rotary driving part 7 is connected with the wheel body 6 so as to drive the wheel body 6 and the lifting rod 3 to rotate around the central axis of the wheel body 6. As shown in fig. 4, during the pressing operation, the pressing member 5 moves to the pressed member, i.e. the member to be thermally bent and the forming template 17, along with the rotation of the lifting rod 3, at this time, the lifting device 2 drives the pressing member 5 to move to the pressing position to complete the pressing operation, after the pressing operation is finished, the pressing member 5 first returns to the release position, then the pressing member 5 moves to the outer side of the pressed member along with the rotation of the lifting rod 3, at this time, the processed pressed member can be taken out and put into the next pressed member to be processed, so that the arrangement of the wheel body 6 and the rotary driving member 7 realizes the change of the angular position of the pressing member 5, and the problem that the pressed member and the pressing member 5 are interfered to be taken out and cannot be taken out due to the pressing member 5 being always located above the pressed member is avoided. Of course, in other embodiments, the lifting movement and the rotation of the pressing member 5 may be performed simultaneously; when there is no interference problem between the pressure receiving member and the pressure applying member 5, the wheel body 6 and the rotary drive member 7 may not be provided.

In the embodiment shown in fig. 1-4, the pressing device further includes a telescopic device disposed at the bottom of the base 1, the telescopic device is capable of telescopic movement in a direction parallel to the base 1, the rotary driving member 7 is disposed on the telescopic device, and the rotary driving member 7 is capable of driving the wheel body 6 to rotate along with the telescopic movement of the telescopic device, that is, the wheel body 6 is driven by the telescopic device, so as to change the angular position of the pressing member 5. Of course, in other embodiments, the telescopic device may not be provided, but a rotating motor and a gear transmission structure may be adopted, or a rotating motor and a conveyor belt structure may drive the corresponding wheel body 6 or multiple wheel bodies 6 to rotate simultaneously, and in this case, the wheel bodies 6 need to be provided as corresponding gears or pulleys.

The plurality of lifting devices 2 are arranged in at least two parallel rows, as shown in the embodiment shown in fig. 1-4, the lifting devices 2 are arranged in two parallel rows, the pressed piece, i.e. the piece to be bent and the forming template 17 are located between the two rows of lifting devices 2, the expansion device is arranged between the two adjacent rows of lifting devices 2, and the expansion device is provided with a plurality of rotary driving pieces 7 which are in one-to-one correspondence with the plurality of lifting devices 2 in the two adjacent rows. Of course, in other embodiments, the telescopic device may be provided in a plurality corresponding to the lifting devices 2 one by one, or the telescopic device is provided with two rotary driving members 7, and each rotary driving member 7 is connected to a plurality of lifting devices 2 corresponding to one row; of course, the plurality of lifting devices 2 may not be arranged in at least two parallel rows, but may be arranged in a scattered manner according to the shape or pressing position of the pressure receiving member.

In the embodiment shown in fig. 1-4, the rotary driving member 7 is a rack disposed along the telescopic moving direction of the telescopic device, and the wheel body 6 is a gear structure adapted to the rack. Of course, in another embodiment, the wheel body 6 may be a friction wheel, the rotary driving member 7 may be a friction belt provided along the extending and retracting movement direction of the extending and retracting device, and the rotary driving member 7 may be in contact with the wheel body 6 to drive the wheel body 6 to rotate by friction.

The telescoping device includes flexible driving piece 8 and flexible moving member 9, flexible driving piece 8 is fixed to be set up in the bottom of base 1, flexible moving member 9 receives flexible driving piece 8 is parallel with driving ground along the direction telescopic movement of base 1, just flexible moving member 9 with base 1 links to each other along the telescopic movement direction slidable, rotation driving piece 7 sets up on the flexible moving member 9, and flexible driving piece 8 is preferred the telescopic link, and flexible moving member 9 is preferred the plate of parallel base 1, and the edge of flexible moving member 9 sets up rotation driving piece 7. Of course, in other embodiments, the telescopic device may also be a linear guide, the slide of which is provided with a rotary drive 7.

In the embodiment shown in fig. 1-3, the pressing device further includes a slide rail 10 and a slide block 11, which are slidably connected, the slide rail 10 extends along the telescopic moving direction of the telescopic device, the base 1 is provided with the slide rail 10, the telescopic moving member 9 is provided with the slide block 11, and the slide rail 10 and the slide block 11 are provided to support the telescopic moving member 9. Of course, in other embodiments, the telescopic moving member 9 may be provided with a slide rail 10, the base 1 may be provided with a slider 11, and the slide rail 10 may have a rail structure or a chute structure. Of course, in other embodiments, the slide rail 10 and the slider 11 may not be provided.

In the embodiment shown in fig. 1-4, the pressing device further includes a sleeve shaft 4 sleeved on the lifting rod 3, the lifting rod 3 and the sleeve shaft 4 are slidably connected to each other in a direction perpendicular to the base 1 through a key structure, the sleeve shaft 4 is rotatably connected to the base 1 around the central axis of the lifting rod 3, and the wheel body 6 is disposed on the peripheral wall of the sleeve shaft 4, so that the lifting rod 3 can move up and down and rotate. Of course, in other embodiments, the wheel body 6 may also be disposed on the outer peripheral wall of the lifting driving member, and at this time, the wheel body 6 drives the lifting driving member to rotate, so as to drive the lifting rod 3 to rotate, and at this time, the lifting rod 3 can also perform lifting movement and rotation.

In order to enable the lifting rod 3 to have two degrees of freedom of lifting movement and rotation without interference in the embodiment shown in fig. 1-4, the bottom end of the lifting rod 3 is provided with an adjustable joint 12 for connecting the lifting driving member so that the lifting rod 3 and the lifting driving member can rotate relatively around the central axis of the lifting rod 3. Of course, in other embodiments, for example, when the wheel body 6 is provided on the outer peripheral wall of the elevating drive member, the loose joint 12 may not be provided.

In order to realize the installation of the sleeve shaft 4 and the lifting driving piece, as shown in fig. 3, the bottom of the base 1 is provided with an installation frame 14, the sleeve shaft 4 is rotatably arranged in the installation frame 14, the installation frame 14 and the base 1 are both provided with guide sleeves 13 which are sleeved on the peripheral wall of the lifting rod 3, the guide sleeves 13 and the lifting rod 3 can rotate around the central axis of the lifting rod 3 relatively, and the lifting driving piece is connected with the installation frame 14.

The utility model further provides hot bending forming equipment which comprises the pressure applying device and the bearing platform 15, wherein the base 1 is arranged below the bearing platform 15, the pressure applying piece 5 is positioned above the bearing platform 15, and a space suitable for placing a template and a piece to be hot bent is formed between the bearing platform 15 and the pressure applying piece 5.

Through above-mentioned technical scheme, treat the curved piece of heat, for example cover plate glass's below set up above biasing means to exert pressure to treating the curved piece of heat through a plurality of casting die 5 that extend to the curved piece top of treating heat, consequently can not treat the curved heat that upwards gives off of piece and form the hindrance, also make the top of the stove cavity of hot bending former possess the space that can set up heat abstractor simultaneously, and then make hot bending former can be to the great cover plate glass of size, for example, the cover plate glass that length is greater than a meter carries out the hot bending processing, the problem that the great cover plate glass of size is difficult to carry out the hot bending processing, perhaps the hot bending processing yields is low is solved.

In the embodiment shown in fig. 5, the hot bending apparatus further includes a frame 18 for forming the furnace chamber, a carrying platform 15 is disposed at the bottom of the furnace chamber, the base 1 is fixedly connected to the frame 18, wherein the base 1 may also be used as the bottom chamber wall of the furnace chamber, or may be formed by a partial structure of the frame 18, and then the base 1 is mounted at the bottom of the partial structure of the frame 18, i.e. the carrying platform 15 may be disposed directly on the base 1, or may be disposed on the partial structure of the frame 18 connected to the base 1, a heating plate 16 is disposed on the carrying platform 15, a forming template 17 is disposed on the heating plate 16, a pressing member 5 is disposed above the forming template 17 for pressing the to-be-bent member and the forming template 17, a heating pipe 20 is disposed at the top of the furnace chamber, and a heat sink may be optionally disposed at the top of the furnace chamber, the frame 18 is also provided with a feed and discharge flap door 19 to enable the piece to be heated to pass into and out of the furnace chamber.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the specific features in any suitable way, and the utility model will not be further described in relation to the various possible combinations in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims

1. The pressing device is characterized by comprising a base (1), a plurality of lifting devices (2) and a plurality of pressing pieces (5), wherein the lifting devices (2) are arranged on the base (1), the pressing pieces (5) are arranged at the top end of each lifting device (2), and the lifting devices (2) can drive the pressing pieces (5) to move between a pressing position close to the base (1) and a releasing position far away from the base (1).

2. The pressing device according to claim 1, characterized in that the lifting device (2) comprises a lifting rod (3) penetrating through the base (1) or comprises the lifting rod (3) and a lifting driving member, and the lifting rod (3) can be driven by the lifting driving member to move up and down in a direction approaching to or moving away from the base (1); and/or

The lifting device (2) is perpendicular to the base (1), and the pressing piece (5) is a pressing plate perpendicular to the lifting device (2).

3. The pressing device according to claim 2, further comprising a wheel body (6) disposed below the base (1), the wheel body (6) surrounding the outer periphery of the lifting device (2), and a rotary driving member (7), the rotary driving member (7) being connected to the wheel body (6) to drive the wheel body (6) and the lifting rod (3) to rotate around the central axis of the wheel body (6).

4. The pressing device according to claim 3, characterized in that the pressing device further comprises a telescopic device arranged at the bottom of the base (1), the telescopic device can move telescopically along the direction parallel to the base (1), the rotary driving part (7) is arranged on the telescopic device, and the rotary driving part (7) can drive the wheel body (6) to rotate along with the telescopic movement of the telescopic device.

5. The pressing apparatus according to claim 4, wherein a plurality of said lifting devices (2) are arranged in at least two parallel rows, said telescopic device is arranged between two adjacent rows of said lifting devices (2), and said telescopic device is provided with a plurality of said rotary driving members (7) in one-to-one correspondence with a plurality of said lifting devices (2) in two adjacent rows.

6. The pressing device according to claim 5, characterized in that the rotary driving member (7) is a rack arranged along the telescopic moving direction of the telescopic device, and the wheel body (6) is a gear structure matched with the rack; and/or

The telescopic device comprises a telescopic driving part (8) and a telescopic moving part (9), wherein the telescopic driving part (8) is fixedly arranged at the bottom of the base (1), the telescopic moving part (9) is driven by the telescopic driving part (8) to move in a telescopic mode along the direction of the base (1), the telescopic moving part (9) is connected with the base (1) in a slidable mode along the telescopic moving direction, and the rotary driving part (7) is arranged on the telescopic moving part (9).

7. The pressing device according to claim 6, characterized in that it further comprises a sliding rail (10) and a slider (11) which are slidably connected, said sliding rail (10) extending along the telescopic movement direction of said telescopic device, one of said base (1) and said telescopic moving member (9) providing said sliding rail (10), the other of said base (1) and said telescopic moving member (9) providing said slider (11).

8. The pressing device according to any one of claims 3 to 7, further comprising a sleeve shaft (4) sleeved on the lifting rod (3), wherein the lifting rod (3) and the sleeve shaft (4) are slidably connected in a direction perpendicular to the base (1) through a key structure, the sleeve shaft (4) is rotatably connected with the base (1) around the central axis of the lifting rod (3), and the wheel body (6) is arranged on the outer peripheral wall of the sleeve shaft (4).

9. The pressing device according to claim 8, characterized in that the bottom end of the lifting rod (3) is provided with an adjustable joint (12) for connecting the lifting driving member, so that the lifting rod (3) and the lifting driving member can rotate relatively around the central axis of the lifting rod (3); and/or

Base (1) bottom is equipped with installing frame (14), the rotatable setting of sleeve shaft (4) is in installing frame (14), installing frame (14) with base (1) all is equipped with the cover and establishes guide pin bushing (13) on lifter (3) periphery wall, guide pin bushing (13) with lifter (3) can wind the central axis relative rotation of lifter (3), the lift driving piece with installing frame (14) are connected.

10. A hot bend forming apparatus, characterized in that it comprises the press device and the carrying platform (15) according to any one of claims 1-9, the base (1) being arranged below the carrying platform (15) and the press (5) being located above the carrying platform (15), a space being formed between the carrying platform (15) and the press (5) adapted to place the mould plates and the pieces to be hot bent.