CN210656677U

CN210656677U - Pre-bending forming device for automobile front windshield

Info

Publication number: CN210656677U
Application number: CN201921409714.2U
Authority: CN
Inventors: 王柏苍; 林宏祖; 张玉华
Original assignee: Fjglass Technology Co ltd
Current assignee: Fjglass Technology Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-06-02
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to an automobile front windshield pre-bending forming device, which comprises a plurality of horizontal flat rollers and a plurality of inclined rollers which are arranged at the two ends of the flat rollers and are obliquely arranged, wherein the inclined rollers at the two ends are arranged corresponding to the middle flat roller and form an inverted trapezoid shape; many flat rolls are located same horizontal plane and can rotate in step, and the oblique roller is connected at the flat roll tip and is rotated in step by the flat roll drive, and many oblique rollers gradient are increased gradually towards the glass ejection of compact side by the glass feeding side. The automobile front windshield glass pre-bending forming device is matched with the final bending section, so that the automobile front windshield glass can be produced on a die type toughening furnace in a pressing mode, energy and electricity are saved, the production efficiency is high, and the product consistency is good.

Description

Pre-bending forming device for automobile front windshield

Technical Field

The utility model relates to a windshield former technical field especially relates to a windshield pre-bending forming device before car.

Background

The automobile front windshield is mostly laminated glass, and is a composite glass product which is formed by two or more pieces of glass, wherein one or more layers of organic polymer intermediate films are sandwiched between the two pieces of glass, and the glass and the intermediate films are permanently bonded into a whole after special high-temperature prepressing (or vacuumizing) and high-temperature high-pressure process treatment.

Most of the existing equipment for producing the front windshield of the automobile is a continuous hot bending furnace, and the principle of the equipment is that the glass is softened by automatic temperature control heating and is automatically formed under the action of gravity. Specifically, referring to the chinese utility model publication No. CNCN205035257U entitled "bending apparatus for tempered glass", it is disclosed that the bending apparatus for tempered glass includes a preforming mold having a preforming surface, and performs first preforming and then self-weight forming on a heated glass plate.

With the development of the automobile glass industry, on one hand, energy conservation and emission reduction are advocated, on the other hand, the requirements on the appearance of glass products are higher and higher, and the continuous hot bending furnace body has the defects of high energy consumption, low efficiency, poor bending consistency and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, an object of the utility model is to provide a windshield preflex forming device before car, this windshield preflex forming device uses with the section cooperation of final bending before car, can carry out the preflex when carrying hot glass and handle, energy-conserving power saving, production efficiency is high, and the product uniformity is good.

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

a pre-bending forming device for automobile front windshield glass comprises a plurality of horizontal flat rollers and a plurality of inclined rollers which are obliquely arranged at two ends of the flat rollers, wherein the inclined rollers at the two ends are arranged corresponding to the middle flat roller and form an inverted trapezoid shape; many flat rolls are located same horizontal plane and can rotate in step, and the oblique roller is connected at the flat roll tip and is rotated in step by the flat roll drive, and many oblique rollers gradient are increased gradually towards the glass ejection of compact side by the glass feeding side.

Furthermore, end bearings are respectively sleeved at two ends of each flat roller, a plurality of end bearings at the same end of the flat rollers are jointly supported on a flat roller supporting piece, a plurality of end bearing seats are arranged on the flat roller supporting piece at the same height position corresponding to the number of the flat rollers, and the end bearings are fixed in the end bearing seats.

Furthermore, a ball head seat is fixedly arranged on the shaft extension of the end part of each flat roller, and a straight-line-shaped bolt groove is arranged in the inner cavity of the ball head seat; the end part of each inclined roller close to the flat roller is fixedly connected with a spherical shaft sleeve, the spherical shaft sleeve is provided with a straight bolt matched with the bolt groove, the spherical shaft sleeve at the end part of the inclined roller is connected in the ball head seat, and the bolt is clamped in the bolt groove.

Furthermore, spherical bearings are installed at the end parts, far away from the flat roll, of the inclined rolls, a plurality of spherical bearings at the same end of the inclined rolls are jointly supported on an inclined roll supporting piece, spherical bearing seats are fixed on the inclined roll supporting piece, the number of the spherical bearing seats is set according to the number of the inclined rolls, the inclined roll supporting piece is gradually increased from the glass feeding side to the glass discharging side, and the spherical bearings are contained in the spherical bearing seats.

Further, install the tight mechanism in top of the tight oblique roller in top on the spherical bearing frame, the tight mechanism in top includes tight axle in top and the tight spring in top, and the tip that the tight axle in top is close to spherical bearing is provided with the tight portion in top, and the tight spring cover in top is established on the tight axle in top, and the one end of the tight spring in top supports and leans on in the tight portion in top, and the other end supports and leans on the inner wall of spherical bearing frame.

Furthermore, the jacking shaft is horizontally inserted into a horizontal step cavity in the spherical bearing seat, the step cavity is shrunk from the side close to the spherical bearing to the other side, the jacking part is positioned in a large cavity of the step cavity and matched with the large cavity, and the other end of the jacking shaft extends out of the spherical bearing seat and is fixedly connected with a ring-shaped piece at the end part.

Furthermore, two inclined roller supporting pieces at two ends of the flat roller are rotatably connected with a rotating shaft close to the glass feeding side, and the two inclined roller supporting pieces are respectively driven by the screw rod lifter to rotate around the rotating shaft.

Further, a screw rod of the screw rod lifter is vertically arranged, and the top of the screw rod is hinged with the inclined roller supporting piece close to the glass discharging side; the worms of the two screw rod elevators are fixedly connected through a connecting shaft, and the other end of the worm of one screw rod elevator is fixedly connected with a corrugated digital hand wheel.

Furthermore, the flat rollers are driven by the driving device to synchronously rotate, the driving device comprises a gear set, a synchronous belt and a driving motor, one group of gears in the gear set are fixedly sleeved at the end part of each flat roller, and the driving motor drives the gears at the end parts of all the flat rollers to synchronously rotate through the synchronous belt and the gears in the gear set.

Further, the gear train is including setting up at every plain-barreled roller with the last gear, well gear and the lower gear of meshing in proper order from top to bottom of one side, every lower gear all through a horizontal axis fixedly connected with external gear, goes up the fixed cover of gear and establishes on the plain-barreled roller tip, and driving motor is connected with the reduction gear, and the fixed cover of output shaft of reduction gear is equipped with the driving gear, passes through the hold-in range between driving gear and all the external gears and is connected.

The utility model discloses following beneficial effect has:

the utility model discloses a preflex forming device can carry out the preflex when carrying hot glass with the cooperation of the section of bending finally, can be to energy-conserving power saving, and production efficiency is high, and the product uniformity is good.

The ball head seat and the inclined roller of the utility model adopt spherical structures, which are similar to universal connection, so that the flat roller and the inclined roller can flexibly rotate on different axes; the spring force between the jacking shaft of the jacking mechanism and the jacking spring is adopted to restrain the axial displacement of the inclined roller, so that the inclined roller is convenient to disassemble and assemble and can be automatically fixed.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the connection between a single flat roller and a single oblique roller at both ends of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

fig. 6 is a schematic structural view of the ball cup of the present invention;

fig. 7 is a schematic structural view of the spherical sleeve of the present invention.

Description of reference numerals:

1-frame, 2-flat roller, 21-flat roller supporting member, 22-end bearing, 23-shaft extension, 24-ball seat, 241-pin slot, 3-oblique roller, 31-spherical shaft sleeve, 311-pin, 32-spherical bearing, 33-oblique roller supporting member, 331-spherical bearing seat, 332-step cavity, 333-rotary bearing, 34-tightening mechanism, 341-tightening shaft, 342-tightening spring, 343-tightening part, 344-ring member, 4-rotary shaft, 41-screw lifter, 411-screw rod, 412-worm, 413-connecting shaft, 414-corrugated digital hand wheel, 5-driving device, 511-upper gear, 512-middle gear, 513-lower gear, 514-outer gear, 515-a horizontal shaft, 516-a supporting seat, 52-a synchronous belt, 521-a tensioning wheel, 53-a driving motor, 531-a speed reducer and 532-a driving gear.

Detailed Description

The invention will be described in further detail with reference to the following drawings and specific embodiments:

referring to fig. 1 to 7, an automobile front windshield pre-bending forming device comprises a frame 1, a plurality of horizontally arranged flat rollers 2 arranged on the frame 1, and a plurality of obliquely arranged oblique rollers 3 arranged at two ends of the flat rollers 2, wherein the oblique rollers 3 at two ends are arranged corresponding to the middle flat roller 2 and form an inverted trapezoid shape, namely, the two ends of one flat roller 2 are respectively provided with one oblique roller 3, and the flat roller 2 and the oblique rollers 3 corresponding to the two ends form an inverted trapezoid shape.

The two ends of each flat roller 2 are respectively sleeved with an end bearing 22, a plurality of end bearings 22 at the same end of the flat rollers 2 are supported on a flat roller supporting member 21 on the frame 1, a plurality of end bearing seats are arranged on the flat roller supporting member 21 at the same height position corresponding to the number of the flat rollers 2, and the end bearings 22 are fixed in the end bearing seats. The end part of the flat roll 2 is provided with a shaft extension 23, a ball head seat 24 is fixedly arranged on the shaft extension 23, and a straight-line-shaped bolt groove 241 is arranged in an inner cavity of the ball head seat 24.

Each inclined roller 3 is provided with a spherical shaft sleeve 31 at the end part close to the flat roller 2, the spherical shaft sleeve 31 is fixedly connected with the end part of the inclined roller 3 into a whole through a straight bolt 311, the bolt 311 extends out of the spherical shaft sleeve 31 and is matched with the bolt groove 241 of the ball seat 24, the end part of the inclined roller 3 and the spherical shaft sleeve 31 covering the end part of the inclined roller 3 are accommodated in the ball seat 24, and the bolt 311 is clamped in the bolt groove 241. The other end of the oblique roller 3 is provided with a spherical bearing 32, a plurality of spherical bearings 32 at the same end of the oblique rollers 3 are supported on an oblique roller supporting member 33 on the frame 1, the oblique roller supporting member 33 is fixed with spherical bearing seats 331 which are gradually increased from the glass feeding side to the glass discharging side and are arranged corresponding to the number of the oblique rollers 3, and the spherical bearings 32 are accommodated in the spherical bearing seats 331, so that the inclination of the oblique rollers 3 is gradually increased from the glass feeding side to the glass discharging side.

Preferably, a tightening mechanism 34 for tightening the inclined roller 3 is mounted on the spherical bearing block 331. Specifically, the tightening mechanism 34 includes a tightening shaft 341 and a tightening spring 342, the tightening shaft 341 is horizontally inserted into a horizontal stepped cavity 332 in the spherical bearing seat 331, the stepped cavity 332 is narrowed from a side close to the spherical bearing 32 to the other side, one end of the tightening shaft 341 located in a large cavity of the stepped cavity 332 is fixedly connected with a tightening portion 343 matching the large cavity, and the other end of the tightening shaft 341 extends out of the spherical bearing seat 331 and is fixedly connected with a ring 344. The tightening spring 342 is located in the stepped cavity 332 and sleeved on the tightening shaft 341, one end of the tightening spring 342 abuts against the tightening part 343, and the other end abuts against the inner wall of the spherical bearing seat 331.

Further, a rotary bearing 333 is fixed below the lowest spherical bearing seat 331 and close to the glass feeding side on the two inclined roller supporting members 33 at the two ends of the flat roller 2, a rotary shaft 4 is sleeved in the rotary bearing 333, and the two ends of the rotary shaft 4 respectively penetrate through the rotary bearings 333 on the two inclined roller supporting members 33 and extend out of the inclined roller supporting members 33. The two oblique roller supports 33 are respectively driven to rotate around the rotating shaft 4 by the screw rod lifter 41. The screw rod lifter 41 is fixedly connected to the frame 1, a screw rod 411 of the screw rod lifter 41 is vertically arranged, and the top of the screw rod is hinged to the inclined roller support 33 close to the glass discharging side. The worm shafts 412 of the two screw rod lifters 41 are fixedly connected through a connecting shaft 413, the other end of the worm shaft 412 of one screw rod lifter 41 is fixedly connected with a corrugated digital hand wheel 414, and the rotation amplitude of the oblique roller support 33 is finely adjusted through the corrugated digital hand wheel 414.

The flat rollers 2 are driven by the driving device 5 to synchronously rotate, so that the inclined rollers 3 are driven to synchronously rotate.

Specifically, drive arrangement 5 includes gear train, hold-in range 52 and driving motor 53, the gear train is including setting up last gear 511, middle gear 512 and the lower gear 513 that from top to bottom meshes in proper order on every plain-barreled roller 2 same side tip, and every lower gear 513 all has an outer gear 514 through a horizontal axis 515 fixedly connected with, go up the fixed cover of gear 511 and establish on the axle extension 23 of plain-barreled roller 2 tip, middle gear 512 and lower gear 513 all rotate and connect on plain-barreled roller support 21, horizontal axis 515 one end is rotated and is connected on plain-barreled roller support 21, the other end of horizontal axis 515 passes through supporting seat 516 and rotates the setting in frame 1. The driving motor 53 is connected to a speed reducer 531, an output shaft of the speed reducer 531 is fixedly sleeved with a driving gear 532, the driving gear 532 is connected to all the external gears 514 through a synchronous belt 52, and preferably, the machine frame 1 is provided with a tension pulley 521 capable of horizontally moving on the machine frame 1 and tensioning the synchronous belt 52.

The driving motor 53 of the driving device 5 drives all the external gears 514 to rotate through the synchronous belt 52, the external gears 514 drive the lower gear 513 to rotate through the horizontal shaft 515, the lower gear 513 drives the upper gear 511 to rotate through the middle gear 512, so as to drive all the flat rollers 2 to synchronously rotate, and through the clamping fit of the straight-line-shaped bolt 311 and the bolt groove 241 in the ball socket 24, the flat rollers 2 drive all the oblique rollers 3 to synchronously rotate.

By rotating the corrugated digital handwheel 414, the screw rods 411 of the two screw rod lifters 41 can synchronously move up and down, thereby synchronously adjusting the inclination of the oblique roller supporting piece simultaneously, and further adjusting the pre-bending degree of the front windshield of the automobile.

The heated automobile front windshield glass is horizontally conveyed to the rotating flat roller 2 and the rotating inclined roller 3 of the pre-bending forming device, and the hot glass is pre-bent due to the inverted trapezoidal structure formed by the flat roller 2 and the inclined roller 3 in the process of conveying the hot glass on one side.

The above only is the detailed implementation manner of the present invention, not limiting the patent scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a car front windshield preflex forming device which characterized in that: the device comprises a plurality of horizontal flat rollers (2) and a plurality of inclined rollers (3) which are arranged at two ends of the flat rollers (2) and are arranged obliquely, wherein the inclined rollers (3) at the two ends are arranged corresponding to the middle flat roller (2) and form an inverted trapezoid shape; a plurality of flat rollers (2) are positioned on the same horizontal plane and can rotate synchronously, the inclined rollers (3) are connected to the end parts of the flat rollers (2) and driven by the flat rollers (2) to rotate synchronously, and the inclination of the inclined rollers (3) is gradually increased from the glass feeding side to the glass discharging side.

2. The automotive front windshield pre-bending forming device according to claim 1, characterized in that: the two ends of each flat roller (2) are respectively sleeved with end bearings (22), a plurality of end bearings (22) at the same end of the flat rollers (2) are jointly supported on a flat roller supporting piece (21), a plurality of end bearing seats are arranged on the flat roller supporting piece (21) at the same height position corresponding to the number of the flat rollers (2), and the end bearings (22) are fixed in the end bearing seats.

3. The automotive front windshield pre-bending forming device according to claim 1, characterized in that: a ball seat (24) is fixedly arranged on the shaft extension (23) at the end part of each flat roller (2), and a straight-line-shaped pin slot (241) is arranged in the inner cavity of the ball seat (24); the end part of each inclined roller (3) close to the flat roller (2) is fixedly connected with a spherical shaft sleeve (31), the spherical shaft sleeve (31) is provided with a straight bolt (311) matched with the bolt groove (241), the spherical shaft sleeve (31) at the end part of the inclined roller (3) is connected in the ball seat (24), and the bolt (311) is clamped in the bolt groove (241).

4. The automotive front windshield pre-bending forming device according to claim 1, characterized in that: spherical bearings (32) are installed at the end part, far away from the flat roll (2), of each inclined roll (3), a plurality of spherical bearings (32) at the same end of each inclined roll (3) are jointly supported on an inclined roll supporting piece (33), spherical bearing seats (331) which are formed by the fact that the number of the corresponding inclined rolls (3) is gradually increased from the glass feeding side to the glass discharging side are fixed on the inclined roll supporting pieces (33), and the spherical bearings (32) are contained in the spherical bearing seats (331).

5. The automotive front windshield pre-bending forming device according to claim 4, wherein: the pushing mechanism (34) of the pushing inclined roller (3) is installed on the spherical bearing seat (331), the pushing mechanism (34) comprises a pushing shaft (341) and a pushing spring (342), the end portion, close to the spherical bearing (32), of the pushing shaft (341) is provided with a pushing portion (343), the pushing spring (342) is sleeved on the pushing shaft (341), one end of the pushing spring (342) abuts against the pushing portion (343), and the other end of the pushing spring abuts against the inner wall of the spherical bearing seat (331).

6. The automotive front windshield pre-bending forming device according to claim 5, wherein: the jacking shaft (341) is horizontally inserted into a horizontal stepped cavity (332) in the spherical bearing seat (331), the stepped cavity (332) is narrowed from the side close to the spherical bearing (32) to the other side, the jacking part (343) is positioned in a large cavity of the stepped cavity (332) and is matched with the large cavity, the other end of the jacking shaft (341) extends out of the spherical bearing seat (331) and the end part of the jacking shaft is fixedly connected with a ring piece (344).

7. The automotive front windshield pre-bending forming device according to claim 4, wherein: two inclined roller supporting pieces (33) at two ends of the flat roller (2) are rotatably connected with a rotating shaft (4) close to the glass feeding side, and the two inclined roller supporting pieces (33) are respectively driven by a screw rod lifter (41) to rotate around the rotating shaft (4).

8. The automotive front windshield pre-bending forming device according to claim 7, wherein: a lead screw (411) of the lead screw lifter (41) is vertically arranged, and the top of the lead screw (411) is hinged with the inclined roller support (33) close to the glass discharging side; the worms (412) of the two screw rod lifters (41) are fixedly connected through a connecting shaft (413), and the other end of the worm (412) of one screw rod lifter (41) is fixedly connected with a corrugated digital hand wheel (414).

9. The automotive front windshield pre-bending forming device according to claim 1, characterized in that: many plain barreled rolls (2) are by drive arrangement (5) drive synchronous rotation, and drive arrangement (5) include gear train, hold-in range (52) and driving motor (53), and wherein a set of gear is fixed to be established at every plain barreled roll (2) tip in the gear train, and driving motor (53) pass through hold-in range (52) and each gear drive gear synchronous rotation of all plain barreled roll (2) tip in the gear train.

10. The automotive front windshield pre-bending forming device according to claim 9, wherein: the gear train is including setting up last gear (511) that from top to bottom meshes in proper order with one side every plain-barreled roll (2), well gear (512) and lower gear (513), every lower gear (513) all through a horizontal axis (515) fixedly connected with external gear (514), go up gear (511) fixed cover and establish on plain-barreled roll (2) tip, driving motor (53) are connected with reduction gear (531), the fixed cover of output shaft of reduction gear (531) is equipped with driving gear (532), be connected through hold-in range (52) between driving gear (532) and all external gear (514).