CN212293311U - Curved toughened glass forming system of arc that machining precision is high - Google Patents

Abstract

The utility model discloses an arc-shaped bent toughened glass forming system with high processing precision, wherein a lower forming roller way comprises a lower driving mechanism, a transmission shaft and a lower roller set, one end of the transmission shaft is provided with a driven wheel, the transmission shaft is in transmission connection with the lower driving mechanism through the driven wheel, and the power is transmitted between the lower driving mechanism and the lower roller set through the driven wheel of the transmission shaft; the upper forming roller way comprises an upper roller shaft group, the other end of the transmission shaft is provided with a clutch, and the lower driving mechanism and the upper roller shaft group transmit power through the clutch of the transmission shaft; the positioning mechanism set comprises a first positioning mechanism and a second positioning mechanism, the first positioning mechanism is arranged at the tail end of the lower forming roller way, and the second positioning mechanism is arranged at any position between the middle point and the tail end of the lower forming roller way. The arc-shaped bent toughened glass forming system with high processing precision can form glass with high goodness of fit, can effectively reduce the dynamic friction between the glass and the upper roller shaft of the upper forming roller way, and improves the precision of the glass.

Description

Curved toughened glass forming system of arc that machining precision is high

Technical Field

The utility model relates to a glass tempering technical field, especially a crooked toughened glass forming system of arc that machining precision is high.

Background

Along with the continuous development of the building market, the demand on glass is more diversified, the demand on bent toughened glass in the current market is larger and larger, and particularly the demand on large-width bent toughened glass is larger and larger. The existing production line for bent toughened glass generally mainly comprises a sheet taking and placing table, a heating system, a bent steel section, an air supply system, an electrical control system and the like. The glass toughening device is mainly suitable for toughening bent glass of buildings, automobiles, household appliances, furniture, bathrooms, and the like.

After the glass sheet is positioned on the sheet placing table, the glass sheet enters a heating furnace, is heated to a temperature suitable for tempering, and after the glass enters bending forming equipment along with a roller conveyor by virtue of self weight, the glass is lifted to become arc, and the glass is swung to be formed and tempered. The arc-changing device is characterized in that the arc-changing device is lifted, the upper forming roller table presses downwards to assist glass forming, the glass is lifted along with the lower forming roller table to reach a required curvature radius, and the glass of the lower forming roller table is pressed and formed along with the reciprocating swing of the conveying rollers and is blown and tempered simultaneously. However, when the structure is used for bending glass, the matching degree of the glass with the lower forming roller way and the upper forming roller way is not high, and the precision of finished glass is greatly reduced due to the dynamic friction of the upper forming roller way.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a curved tempered glass forming system with high processing accuracy, which can achieve high matching degree between glass and a lower forming roller bed and an upper forming roller bed when bending glass, and can effectively reduce dynamic friction between the upper roller of the glass and the upper forming roller bed, thereby avoiding scraping colored glass by the upper roller and improving the accuracy of finished glass.

To achieve the purpose, the utility model adopts the following technical proposal: a high-machining-precision arc-shaped bent toughened glass forming system comprises a lower forming roller way, a lower air grid group, an upper forming roller way, an upper air grid group, a lifting arc-forming mechanism group and a positioning mechanism group, wherein the lower forming roller way, the lower air grid group, the upper forming roller way and the upper air grid group are bent into an arc shape through the lifting arc-forming mechanism group;

the lower air grid group comprises a plurality of rows of lower air grids arranged along the glass conveying direction;

the lower forming roller way comprises a lower driving mechanism, a transmission shaft and a lower roller shaft group, the lower roller shaft group is arranged above the lower air grid group, a driven wheel is arranged at one end of the transmission shaft, the transmission shaft is in transmission connection with the lower driving mechanism through the driven wheel, and power is transmitted between the lower driving mechanism and the lower roller shaft group through the driven wheel of the transmission shaft;

the upper air grid group comprises a plurality of rows of upper air grids arranged along the glass conveying direction;

the upper forming roller way comprises an upper roller shaft group, the upper roller shaft group is arranged below the upper air grid group, the other end of the transmission shaft is provided with a clutch, and the lower driving mechanism and the upper roller shaft group transmit power through the clutch of the transmission shaft;

the positioning mechanism set comprises a first positioning mechanism and a second positioning mechanism, the first positioning mechanism is arranged at the tail end of the lower forming roller way, and the second positioning mechanism is arranged at any position between the middle point and the tail end of the lower forming roller way;

the first positioning mechanism is provided with a first positioning plate capable of being lifted, and the first positioning plate is perpendicular to the lower roller shaft group;

the second positioning mechanism is provided with a second positioning plate which can lift in the clearance of the lower roller shaft group, and the second positioning plate is vertical to the lower roller shaft group.

For example, the upper roll shaft group comprises a plurality of upper roll shafts, the upper roll shafts are rotatably arranged between two adjacent rows of upper air grids of the upper air grid group, one end of each upper roll shaft positioned right above the transmission shaft is provided with a protruding shaft, each protruding shaft is provided with an upper transmission roll chain wheel positioned on the same plane as the clutch, and the upper transmission roll chain wheels are in transmission connection with the clutch;

every the both ends of going up the roller all are equipped with a roller driving gear, every adjacent two go up the roller driving gear with the end between connect through the transmission of transition gear train.

It is worth to state that the transition gear set includes a plurality of first transition gears and a plurality of second transition gears, and the roller shaft driving tooth of every go up the roller is connected with the one end meshing of a first transition gear rather than upper and lower relative, and the other end of two adjacent first transition gears passes through a second transition gear meshing and connects.

Optionally, the upper forming roller way comprises a plurality of upper hinge plates hinged to each other, the upper hinge plates are used for installing upper roller shafts, and roller shaft transmission teeth of the upper roller shafts are arranged on the outer sides of the upper hinge plates;

the transition gear set comprises a plurality of transition hinge plates which are hinged with each other, a transition hinge plate is arranged between every two adjacent upper hinge plates, two first transition gears and one second transition gear are installed on the outer sides of the transition hinge plates, the first transition gears are located below the two second transition gears on the transition hinge plates, and the two first transition gears are connected in a meshed mode through the second transition gears.

Specifically, an output shaft of the lower driving mechanism is sleeved with a driving wheel, and the driving wheel is in transmission connection with the driven wheel through a main conveying belt;

the lower roll shaft group comprises a plurality of lower roll shafts, the lower roll shafts are rotatably arranged between two adjacent rows of lower air grids of the lower air grid group, one end of each lower roll shaft is provided with a lower roll shaft driving wheel, the lower roll shaft driving wheel is connected with the driven wheel through a lower conveying belt, and the driven wheel and all the lower roll shaft driving wheels are arranged in a closed ring of the lower conveying belt;

and a tensioning wheel is arranged between the lower roller shaft driving wheel and the driven wheel, and the tensioning wheel is arranged in a closed ring of the lower conveying belt.

Preferably, the first positioning mechanism is provided with a tail end positioning driving device, and the tail end positioning driving device drives the first positioning plate to lift;

the second positioning mechanism is provided with a middle positioning driving device, and the middle positioning driving device drives the second positioning plate to lift.

For example, the end positioning driving device is an air cylinder, two ends of the first positioning plate are both provided with one end positioning driving device, and an output end of the end positioning driving device is connected with the bottom of the first positioning plate.

It is worth to say that, the middle positioning driving device is an air cylinder, two ends of the second positioning plate are both provided with a middle positioning driving device, and an output end of the middle positioning driving device is connected with the bottom of the second positioning plate.

Optionally, the set of pull arcing mechanisms comprises a lower pull arcing mechanism and an upper pull arcing mechanism;

the lower lifting arc forming mechanism is hinged with the lower forming roller way, and each lower roller shaft is connected with the lower air grid of the corresponding lower air grid group;

the upper lifting arc forming mechanism is hinged with the upper forming roller way, and each upper roller shaft is connected with the upper air grid of the upper air grid group corresponding to the upper roller shaft.

Specifically, the lower forming roller way comprises a plurality of lower hinge plates which are hinged with each other, the lower hinge plates are used for installing lower roller shafts, lower roller shaft driving wheels of the lower roller shafts are arranged on the outer sides of the lower hinge plates, and the lower air grids are connected with the corresponding lower roller shafts through the lower hinge plates;

the lower lifting arc forming mechanism comprises a lower hinge and a first driving part positioned above the lower forming roller way, and lower hinge plates corresponding to the lower roller ways at two ends of the lower forming roller way are respectively connected with the first driving part through the lower hinge;

the upper lifting arc forming mechanism comprises an upper hinge and a second driving part positioned above the upper forming roller way, the upper air grid is arranged on the upper hinge plate or the transition hinge plate, and the upper hinge plates corresponding to the upper roller ways positioned at two ends of the upper forming roller way are respectively connected with the second driving part through the upper hinge;

the first driving part and the second driving part are driven by a motor.

The utility model has the advantages that: the arc-shaped bent toughened glass forming system with high processing precision can effectively reduce the dynamic friction between the glass and the upper roller set of the upper forming roller way and avoid scratching the glass by the upper roller set when the glass is formed by the reciprocating oscillating roller between the upper forming roller way and the lower forming roller way because the upper roller set of the upper forming roller way can synchronously rotate along with the lower roller set of the lower forming roller way; when the glass with small arc length is processed, the second positioning mechanism is utilized to limit the glass in the middle of the lower forming roller way, so that the curvature of the glass is improved, the corner warping phenomenon of the glass is reduced, and the precision of finished glass is improved.

Before the glass completely enters the arc-shaped bent toughened glass forming system with high processing precision, the lower driving mechanism drives the lower roller set to rotate so as to drive the glass to advance, the clutch is disconnected at the moment, and the upper roller set cannot rotate due to the fact that no power source exists; when glass completely enters the high-processing-precision arc-shaped bent toughened glass forming system, the clutch is actuated, the lower driving mechanism drives the lower roller group to rotate and simultaneously drives the upper roller group to rotate through the transmission shaft and the clutch arranged at the other end of the transmission shaft, the upper roller group and the lower roller group are driven by the lower driving mechanism to synchronously rotate, so that the dynamic friction between the upper roller group and the lower roller group and the glass can be effectively reduced during reciprocating swing roller forming, the lower forming roller group, the upper forming roller group and the upper air grid group are lifted and bent into an arc shape by the lifting arc forming mechanism group, so that the glass positioned between the lower forming roller group and the upper forming roller group is bent, and the lower air grid group and the upper air grid group cool the glass by blowing, and finally obtain a bent glass finished product. The lower driving mechanism is of an existing structure, and is preferably a motor; the clutch is of an existing structure, and is preferably an electromagnetic clutch.

Relative to the steel bending equipment with the maximum tempering arc length of 1200mm, the large arc length glass is glass with the arc length of 600-1200mm, the small arc length glass is glass with the arc length of less than 600mm, and preferably the second positioning mechanism is arranged at the position with the middle distance of about 300mm from the lower forming roller way. When the glass with large arc length is processed, the first positioning plate of the first positioning mechanism is controlled to ascend, when the glass is contacted with the first positioning plate, the center of the glass is positioned near the midpoint of the lower forming roller way, and when the lower forming roller way drives the glass to bend, the radian formed near the midpoint of the lower forming roller way is the best, so that the glass with the required radian is formed with high goodness of fit; when small-arc-length glass is processed, the second positioning plate of the second positioning mechanism is controlled to ascend, when the glass is in contact with the second positioning plate, the center of the glass is located near the middle point of the lower forming roller way, and when the lower forming roller way drives the glass to bend, the radian formed near the middle point of the lower forming roller way is the best, so that the glass with the required radian is formed with high goodness of fit.

Drawings

Fig. 1 is a schematic structural view of a lower forming roller bed and an upper forming roller bed in an embodiment of the present invention;

FIG. 2 is an enlarged view of the portion circled by the dotted line A in the embodiment of FIG. 1;

fig. 3 is a schematic view of a partial structure of an upper forming roller table according to an embodiment of the present invention;

fig. 4 is a schematic view of a transmission structure of the lower forming roller table according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the lower air grid group and the upper air grid group in an unretracted state according to an embodiment of the present invention;

FIG. 6 is an enlarged view of the portion encircled by the dotted circle B in the embodiment shown in FIG. 5;

FIG. 7 is a schematic structural view of an embodiment of the present invention in which the upper grid assembly is bent into an arc shape;

fig. 8 is a front view of an embodiment of the invention;

fig. 9 is a schematic structural view of the first positioning plate of the first positioning mechanism after descending according to an embodiment of the present invention;

fig. 10 is a schematic structural view of the second positioning plate of the second positioning mechanism after being lifted according to an embodiment of the present invention.

Wherein: 1, a forming roller way is arranged; 2, forming a roller way; 11 a lower drive mechanism; 12, a lower roll shaft; 13 a transmission shaft; 14 lower hinge plates; 111 a driving wheel; 121 lower roll shaft transmission wheels; 131 driven wheels; 133 a clutch; 21, an upper roll shaft; 211 roller shaft transmission teeth; a first transition gear 2121; a second transition gear 2122; 213 protruding out of the shaft; 214 upper drive roller sprockets; 22, hinging the plate; 23 transition hinge plate; 31 a lower air grid; 32 an upper air grid; 41 lifting and arc forming mechanisms; a pull-up arcing mechanism at 42; a lower hinge 411; 412 a first drive section; 421 an upper hinge; 422 a second driving part; 51 a first positioning mechanism; 52 a second positioning mechanism; 511 a first positioning plate; 512 end positioning driving devices; 521 second positioning plate; 522 intermediate positioning drive means; 134 tension wheel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes an arc-shaped bent tempered glass forming system with high processing precision according to an embodiment of the present invention with reference to fig. 1 to 10, including a lower forming roller way 1, a lower grid group, an upper forming roller way 2, an upper grid group, a lifting arc-forming mechanism group and a positioning mechanism group, wherein the lower forming roller way 1, the lower grid group, the upper forming roller way 2 and the upper grid group are bent into an arc shape by the lifting arc-forming mechanism group;

the lower air grid group comprises a plurality of rows of lower air grids 31 arranged along the glass conveying direction;

the lower forming roller table 1 comprises a lower driving mechanism 11, a transmission shaft 13 and a lower roller shaft group, the lower roller shaft group is arranged above the lower air grid group, a driven wheel 131 is arranged at one end of the transmission shaft 13, the transmission shaft 13 is in transmission connection with the lower driving mechanism 11 through the driven wheel 131, and power is transmitted between the lower driving mechanism 11 and the lower roller shaft group through the driven wheel 131 of the transmission shaft 13;

the upper air grid group comprises a plurality of rows of upper air grids 32 arranged along the glass conveying direction;

the upper forming roller table 2 comprises an upper roller shaft group, the upper roller shaft group is arranged below the upper air grid group, the other end of the transmission shaft 13 is provided with a clutch 133, and the lower driving mechanism 11 and the upper roller shaft group transmit power through the clutch 133 of the transmission shaft 13;

the positioning mechanism set comprises a first positioning mechanism 51 and a second positioning mechanism 52, the first positioning mechanism 51 is arranged at the tail end of the lower forming roller way 1, and the second positioning mechanism 52 is arranged at any position between the middle point and the tail end of the lower forming roller way 1;

the first positioning mechanism 51 is provided with a first positioning plate 511 capable of ascending and descending, and the first positioning plate 511 is perpendicular to the lower roller shaft group;

the second positioning mechanism 52 is provided with a second positioning plate 521 capable of ascending and descending in the gap of the lower roller shaft group, and the second positioning plate 521 is perpendicular to the lower roller shaft group.

In the curved toughened glass bending system with high processing precision, because the upper roller set of the upper forming roller way 2 can synchronously rotate along with the lower roller set of the lower forming roller way 1, when glass is subjected to reciprocating oscillating roller forming between the upper forming roller way 2 and the lower forming roller way 1, the dynamic friction between the glass and the upper roller set of the upper forming roller way 2 can be effectively reduced, the upper roller set is prevented from scraping colored glass, in addition, when glass with large arc length is processed, the first positioning mechanism 51 is utilized to limit the glass in the middle of the lower forming roller way 1, when the glass is bent, the radian goodness of the glass is improved, and the glass warping angle phenomenon is reduced; when the glass with small arc length is processed, the second positioning mechanism 52 is utilized to limit the glass in the middle of the lower forming roller way 1, so that the curvature of the glass is improved, the corner warping phenomenon of the glass is reduced, and the precision of the finished glass is improved.

Before the glass completely enters the arc-shaped bent toughened glass forming system with high processing precision, the lower driving mechanism 11 drives the lower roller set to rotate so as to drive the glass to advance, at the moment, the clutch 133 is disconnected, and the upper roller set cannot rotate due to the fact that no power source exists; when the glass completely enters the arc-shaped bent toughened glass forming system with high processing precision, the clutch 133 is attracted, the lower driving mechanism 11 drives the lower roller shaft group to rotate, the upper roll shaft group is driven to rotate by the transmission shaft 13 and the clutch 133 arranged at the other end of the transmission shaft, because the upper roller shaft group and the lower roller shaft group are both driven by the lower driving mechanism 11, the upper roller shaft group and the lower roller shaft group realize synchronous rotation, the dynamic friction between the glass and the glass can be effectively reduced during the reciprocating swing rolling forming, the lifting arc forming mechanism group lifts the lower forming roller way 1, the lower air grid group, the upper forming roller way 2 and the upper air grid group to be bent into an arc shape, thereby promoting the glass between the lower forming roller way 1 and the upper forming roller way 2 to be bent, and cooling the glass by blowing air by the lower air grid group and the upper air grid group to finally obtain a bent glass finished product. The lower driving mechanism 11 is of an existing structure, and is preferably a motor; the clutch 133 is of a conventional structure, and is preferably an electromagnetic clutch.

Relative to the steel bending equipment with the maximum tempering arc length of 1200mm, the large arc length glass is glass with the arc length of 600-1200mm, the small arc length glass is glass with the arc length of less than 600mm, and preferably, the second positioning mechanism 52 is arranged at a position with the middle distance of about 300mm from the lower forming roller table 1. When large-arc-length glass is processed, the first positioning plate 511 of the first positioning mechanism 51 is controlled to ascend, when the glass is in contact with the first positioning plate 511, the center of the glass is located near the middle point of the lower forming roller way 1, when the lower forming roller way 1 drives the glass to bend, the radian formed near the middle point of the lower forming roller way 1 is the best, and therefore the glass with the required radian is formed with good goodness of fit; when small-arc-length glass is processed, the second positioning plate 521 of the second positioning mechanism 52 is controlled to ascend, when the glass is in contact with the second positioning plate 521, the center of the glass is located near the middle point of the lower forming roller way 1, when the lower forming roller way 1 drives the glass to bend, the radian formed near the middle point of the lower forming roller way 1 is the best, and therefore the glass with the required radian is formed well.

In some embodiments, as shown in fig. 2, the upper roller shaft group includes a plurality of upper roller shafts 21, the upper roller shafts 21 are rotatably disposed between two adjacent rows of the upper air grids 32 of the upper air grid group, wherein one end of the upper roller shaft 21 located right above the transmission shaft 13 is provided with a protruding shaft 213, the protruding shaft 213 is sleeved with an upper transmission roller chain wheel 214 located on the same plane as the clutch 133, and the upper transmission roller chain wheel 214 is in transmission connection with the clutch 133;

every the both ends of going up roller 21 all are equipped with a roller driving gear 211, every adjacent two go up the roller driving gear 211 with the end of roller 21 between connect through the transmission of transition gear train.

When the clutch 133 is engaged, the gear on the outer wall of the clutch 133 follows the transmission shaft 13 to rotate, the gear on the outer wall of the clutch 133 drives the upper transmission roller chain wheel 214 located right above the gear through the upper transmission belt to rotate, the upper transmission roller chain wheel 214 drives the upper roller shaft 21 corresponding to the upper transmission roller chain wheel to rotate, and then drives other upper roller shafts 21 to rotate. The structure can simply and quickly control the rotation of the upper roller shaft group and the lower roller shaft group by only one lower driving mechanism 11 through the suction of the clutch 133.

After the clutch 133 is sucked, the clutch 133 drives the upper roller shaft 21 positioned right above the clutch 133 to rotate, the roller shaft transmission gear 211 of the upper roller shaft 21 drives the corresponding transition gear set to rotate, and the transition gear set drives the roller shaft transmission gear 211 of the next upper roller shaft 21 to rotate, so that all the upper roller shafts 21 rotate.

For example, as shown in fig. 3, the transition gear set includes a plurality of first transition gears 2121 and a plurality of second transition gears 2122, the roller shaft transmission teeth 211 of each of the upper roller shafts 21 are in meshing connection with one end of one first transition gear 2121 which is opposite to the roller shaft transmission teeth 211, and the other ends of two adjacent first transition gears 2121 are in meshing connection with one second transition gear 2122.

The first transition gear 2121 and the second transition gear 2122 both rotate passively and have no power source. In the gear transmission, the rotation direction is changed once after passing through each gear, and the rotation direction is changed into reverse rotation. The rotation direction of roller driving gear 211 is forward, with the rotation direction of first transition gear 2121 of roller driving gear 211 meshing is reverse, with the direction of turning to of the second transition gear 2122 of first transition gear 2121 meshing is forward, with another of second transition gear 2122 meshing the rotation direction of first transition gear 2121 is reverse, and is finally adjacent the rotation direction of roller driving gear 211 is forward, go up the rotation direction of roller 21 and its adjacent next the rotation direction of going up roller 21 is unanimous, reaches the purpose of transportation glass.

It should be noted that the upper forming roller bed 2 includes a plurality of upper hinge plates 22 hinged to each other, the upper hinge plates 22 are used for installing upper roller shafts 21, and the roller shaft transmission teeth 211 of the upper roller shafts 21 are arranged on the outer sides of the upper hinge plates 22;

the transition gear set comprises a plurality of transition hinge plates 23 which are hinged to each other, one transition hinge plate 23 is arranged between every two adjacent upper hinge plates 22, two first transition gears 2121 and one second transition gear 2122 are mounted on the outer sides of the transition hinge plates 23, the first transition gears 2121 are located below the two second transition gears 2122 on the transition hinge plates 23, and the two first transition gears 2121 are meshed and connected through the second transition gears 2122.

According to the structure, when the upper forming roller bed 2 is bent into an arc shape by the lifting arc forming mechanism group, the upper roller shaft 21 corresponding to the upper forming roller bed can be pulled only by lifting the upper hinge plate 22, and the rotation of the upper roller shaft 21 cannot be influenced in the lifting process. All the upper hinge plates 22 are connected through the transition hinge plates 23, and when the upper forming roller bed 2 is pulled, the whole upper forming roller bed 2 can be bent only by pulling two ends of the upper forming roller bed 2. Through the above-mentioned meshing structure of the two first transition gears 2121 and one second transition gear 2122, when the upper forming roller bed 2 is bent into an arc shape, the two first transition gears 2121 always surround the second transition gear 2122 and mesh with each other, so that it can be ensured that each roller shaft can operate. The diameters of the roller shaft transmission teeth 211, the first transition gear 2121 and the second transition gear 2122 are equal, and the structure can also ensure that the rotating speed of the two adjacent roller shaft transmission teeth 211 cannot be changed in the transmission process, so that each roller shaft 21 has the same rotating speed.

Optionally, as shown in fig. 4, an output shaft of the lower driving mechanism 11 is sleeved with a driving wheel 111, and the driving wheel 111 is in transmission connection with the driven wheel 131 through a main transmission belt;

the lower roll shaft group comprises a plurality of lower roll shafts 12, the lower roll shafts 12 are rotatably arranged between two adjacent rows of lower air grids 31 of the lower air grid group, one end of each lower roll shaft 12 is provided with a lower roll shaft driving wheel 121, the lower roll shaft driving wheel 121 is connected with the driven wheel 131 through a lower conveying belt, and the driven wheel 131 and all the lower roll shaft driving wheels 121 are arranged in a closed ring of the lower conveying belt;

a tension wheel 134 is arranged between the lower roll shaft transmission wheel 121 and the driven wheel 131, and the tension wheel 134 is arranged in the closed loop of the lower conveying belt.

When the output shaft of the lower driving mechanism 11 rotates, the driving wheel 111 is driven to rotate, the driving wheel 111 drives the driven wheel 131 to rotate through the main transmission belt, and the driven wheel 131 drives the transmission shaft 13 to rotate. In the above structure, when the driven wheel 131 rotates, all the lower roller transmission wheels 121 can be driven to rotate by the lower conveyor belt, and because all the lower roller transmission wheels 121 are arranged in the closed loop of the lower conveyor belt, the derailment rate of the lower roller transmission wheels 121 can be effectively reduced, thereby reducing the failure rate of the equipment. The tension wheel 134 is used for adjusting the tension degree between the lower roller shaft transmission wheels 121 and the driven wheels 131, and the tension wheel 134 is arranged in a closed loop of the lower conveying belt and can reduce the derailment rate of the tension wheel 134.

Specifically, as shown in fig. 8, the first positioning mechanism 51 is provided with a terminal positioning driving device 512, and the terminal positioning driving device 512 drives the first positioning plate 511 to move up and down;

the second positioning mechanism 52 is provided with a middle positioning driving device 522, and the middle positioning driving device 522 drives the second positioning plate 521 to move up and down.

When the glass with large arc length is processed, the tail end positioning driving device 512 acts to drive the first positioning plate 511 of the first positioning mechanism 51 to ascend and block the glass, after the glass is bent, the tail end positioning driving device 512 drives the first positioning plate 511 to descend, and the bent glass is released from limitation and is output along the lower forming roller way 1; when the glass with small arc length is processed, the middle positioning driving device 522 acts to drive the second positioning plate 521 of the second positioning mechanism 52 to ascend and block the glass, after the glass is bent, the middle positioning driving device 522 drives the second positioning plate 521 to descend, and the bent glass is released from the limit and is output along the lower forming roller way 1. The tail end positioning driving device 512 and the middle positioning driving device 522 run independently and do not interfere with each other, so that the arc-shaped bent tempered glass forming system with high processing precision can be suitable for producing glass with various sizes.

Preferably, as shown in fig. 9, the end positioning driving device 512 is an air cylinder, two ends of the first positioning plate 511 are both provided with one end positioning driving device 512, and an output end of the end positioning driving device 512 is connected with the bottom of the first positioning plate 511.

The existing cylinder is a cylindrical metal part for guiding a piston to perform linear reciprocating motion in the cylinder, and the output end of the tail end positioning driving device 512 drives the first positioning plate 511 to lift, so that the purpose of limiting the forward conveying of the glass to be bent is achieved.

In some embodiments, as shown in fig. 10, the middle positioning driving device 522 is an air cylinder, two ends of the second positioning plate 521 are provided with one middle positioning driving device 522, and an output end of the middle positioning driving device 522 is connected to a bottom of the second positioning plate 521.

The output end of the middle positioning driving device 522 drives the second positioning plate 521 to ascend and descend, so that the purpose of limiting the forward conveying of the glass to be bent is achieved.

For example, as shown in fig. 5, the set of pull-up arcing mechanisms includes a lower pull-up arcing mechanism 41 and an upper pull-up arcing mechanism 42;

the lower lifting arc forming mechanism 41 is hinged with the lower forming roller way 1, and each lower roller shaft 12 is connected with the lower air grid 31 of the corresponding lower air grid group;

the upward lifting arc forming mechanism 42 is hinged with the upper forming roller way 2, and each upper roller shaft 21 is connected with the upper air grid 32 of the upper air grid group corresponding to the upper roller shaft.

The lower lifting arc forming mechanism 41 pulls the lower forming roller way 1 to bend, and the lower forming roller way 1 bends and drives the lower air grid group to bend; the upward lifting arc forming mechanism 42 pulls the upper forming roller way 2 to bend, and the upper grid group is driven to bend while the upper forming roller way 2 bends. When the lower forming roller way 1, the lower air grid group, the upper forming roller way 2 and the upper air grid group are simultaneously bent, the glass to be bent can be promoted to be bent and formed. Because the roller driving gear 211 of the last roller 21 of going up the shaping roll table 2 and the gear connection structure of transition gear train, when going up shaping roll table 2 and lifting, roller driving gear 211 and transition gear train are in the engaged state all the time, consequently can avoid roller driving gear 211 and transition gear train derail to avoid going up roller 21 stall.

It should be noted that, as shown in fig. 6 and 7, the lower forming roller table 1 includes a plurality of lower hinge plates 14 hinged to each other, the lower hinge plates 14 are used for mounting the lower roller shafts 12, the lower roller shaft driving wheels 121 of the lower roller shafts 12 are disposed at the outer sides of the lower hinge plates 14, and the lower air grids 32 are connected with the corresponding lower roller shafts 12 through the lower hinge plates 14;

the lower lifting arc forming mechanism 41 comprises a lower hinge 411 and a first driving part 412 positioned above the lower forming roller way 1, and lower hinge plates 14 corresponding to the lower roller ways 12 positioned at two ends of the lower forming roller way 1 are respectively connected with the first driving part 412 through the lower hinge 411;

the upward lifting arc forming mechanism 42 comprises an upper hinge 421 and a second driving part 422 located above the upper forming roller way 2, the upper air grid 32 is arranged on the upper hinge plate 22 or the transition hinge plate 23, and the upper hinge plates 22 corresponding to the upper roller ways 21 located at two ends of the upper forming roller way 2 are respectively connected with the second driving part 422 through the upper hinge 421;

the first driving part 412 and the second driving part 422 are driven by a motor.

The first driving part 412 rotates to wind the lower hinge 411 on the winding disc of the first driving part 412, so that the lower hinge plate 14 connected with the lower hinge 411 is lifted upwards, the lower hinge plate 14 drives the lower roller shaft 12 and the lower air grid 31 corresponding to the lower hinge plate 14 to lift upwards, then the other lower roller ways 12 and the lower air grids 31 are driven to lift upwards through the hinge structure, after the lifting is finished, the height of the lower roller shafts 12 at the two ends of the lower forming roller way 1 is the highest, and the height of the lower roller shaft 12 in the middle of the lower forming roller way 1 is the lowest, so that a curved arc structure is formed.

The second driving part 422 rotates to wind the upper hinge 421 on the winding disc of the second driving part 422, so that the upper hinge plate 22 connected to the upper hinge 421 is lifted, the upper hinge plate 22 drives the corresponding upper roller shaft 21 and the upper air grid 32 to lift upwards, and then the hinge structure between the upper hinge plate 22 and the transition hinge plate 23 drives the rest of the upper roller shafts 21 and the rest of the upper air grids 32 to lift upwards, after the lifting is completed, the heights of the upper roller shafts 21 at the two ends of the upper forming roller bed 2 are the highest, and the height of the upper roller shaft 21 in the middle of the upper forming roller bed 2 is the lowest, thereby forming a curved arc-shaped structure.

The structure can ensure that the angular speeds of the first driving part 412 and the second driving part 422 are consistent, thereby ensuring that the lower pulling arc forming mechanism 41 and the upper pulling arc forming mechanism 42 are synchronously bent to make the glass arc.

Other configurations and operations of a curved tempered glass forming system with high processing accuracy according to an embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A high-machining-precision arc-shaped bent toughened glass forming system comprises a lower forming roller way, a lower air grid group, an upper forming roller way, an upper air grid group, a lifting arc-forming mechanism group and a positioning mechanism group, wherein the lower forming roller way, the lower air grid group, the upper forming roller way and the upper air grid group are bent into an arc shape through the lifting arc-forming mechanism group;

the method is characterized in that:

the lower air grid group comprises a plurality of rows of lower air grids arranged along the glass conveying direction;

the lower forming roller way comprises a lower driving mechanism, a transmission shaft and a lower roller shaft group, the lower roller shaft group is arranged above the lower air grid group, a driven wheel is arranged at one end of the transmission shaft, the transmission shaft is in transmission connection with the lower driving mechanism through the driven wheel, and power is transmitted between the lower driving mechanism and the lower roller shaft group through the driven wheel of the transmission shaft;

the upper air grid group comprises a plurality of rows of upper air grids arranged along the glass conveying direction;

the upper forming roller way comprises an upper roller shaft group, the upper roller shaft group is arranged below the upper air grid group, the other end of the transmission shaft is provided with a clutch, and the lower driving mechanism and the upper roller shaft group transmit power through the clutch of the transmission shaft;

the positioning mechanism set comprises a first positioning mechanism and a second positioning mechanism, the first positioning mechanism is arranged at the tail end of the lower forming roller way, and the second positioning mechanism is arranged at any position between the middle point and the tail end of the lower forming roller way;

the first positioning mechanism is provided with a first positioning plate capable of being lifted, and the first positioning plate is perpendicular to the lower roller shaft group;

the second positioning mechanism is provided with a second positioning plate which can lift in the clearance of the lower roller shaft group, and the second positioning plate is vertical to the lower roller shaft group.

2. The curved tempered glass forming system as claimed in claim 1, wherein the curved tempered glass forming system has a high processing accuracy, and further comprises: the upper roll shaft group comprises a plurality of upper roll shafts, the upper roll shafts are rotatably arranged between two adjacent rows of upper air grids of the upper air grid group, one end of each upper roll shaft positioned right above the transmission shaft is provided with a protruding shaft, each protruding shaft is provided with an upper transmission roll chain wheel which is positioned on the same plane as the clutch, and the upper transmission roll chain wheels are in transmission connection with the clutch;

every the both ends of going up the roller all are equipped with a roller driving gear, every adjacent two go up the roller driving gear with the end between connect through the transmission of transition gear train.

3. The curved tempered glass forming system as claimed in claim 2, wherein the curved tempered glass forming system has a high processing accuracy, and further comprises: the transition gear set comprises a plurality of first transition gears and a plurality of second transition gears, each of the first transition gears is meshed with one end of a roller shaft transmission gear of the upper roller shaft and one end of a first transition gear which is opposite to the roller shaft transmission gear up and down, and the other end of the first transition gear is meshed with the other end of the first transition gear through one second transition gear.

4. The curved tempered glass forming system as claimed in claim 3, wherein the curved tempered glass forming system has a high processing accuracy, and further comprises: the upper forming roller way comprises a plurality of upper hinge plates which are hinged with each other, the upper hinge plates are used for installing upper roller shafts, and the roller shaft transmission teeth of the upper roller shafts are arranged on the outer sides of the upper hinge plates;

the transition gear set comprises a plurality of transition hinge plates which are hinged with each other, a transition hinge plate is arranged between every two adjacent upper hinge plates, two first transition gears and one second transition gear are installed on the outer sides of the transition hinge plates, the first transition gears are located below the two second transition gears on the transition hinge plates, and the two first transition gears are connected in a meshed mode through the second transition gears.

5. The curved tempered glass forming system as claimed in claim 4, wherein the curved tempered glass forming system has a high processing accuracy, and further comprises: an output shaft of the lower driving mechanism is sleeved with a driving wheel, and the driving wheel is in transmission connection with the driven wheel through a main conveying belt;

the lower roll shaft group comprises a plurality of lower roll shafts, the lower roll shafts are rotatably arranged between two adjacent rows of lower air grids of the lower air grid group, one end of each lower roll shaft is provided with a lower roll shaft driving wheel, the lower roll shaft driving wheel is connected with the driven wheel through a lower conveying belt, and the driven wheel and all the lower roll shaft driving wheels are arranged in a closed ring of the lower conveying belt;

and a tensioning wheel is arranged between the lower roller shaft driving wheel and the driven wheel, and the tensioning wheel is arranged in a closed ring of the lower conveying belt.

6. The curved tempered glass forming system as claimed in claim 5, wherein the curved tempered glass forming system has a high processing accuracy, and further comprises: the first positioning mechanism is provided with a tail end positioning driving device, and the tail end positioning driving device drives the first positioning plate to lift;

the second positioning mechanism is provided with a middle positioning driving device, and the middle positioning driving device drives the second positioning plate to lift.

7. The curved tempered glass forming system as claimed in claim 6, wherein the curved tempered glass forming system further comprises: the tail end positioning driving device is an air cylinder, two ends of the first positioning plate are respectively provided with a tail end positioning driving device, and the output end of the tail end positioning driving device is connected with the bottom of the first positioning plate.

8. The curved tempered glass forming system as claimed in claim 7, wherein the curved tempered glass forming system has a high processing accuracy, and further comprises: the middle positioning driving device is an air cylinder, the two ends of the second positioning plate are both provided with a middle positioning driving device, and the output end of the middle positioning driving device is connected with the bottom of the second positioning plate.

9. The curved tempered glass forming system as claimed in claim 8, wherein the curved tempered glass forming system further comprises: the lifting arc forming mechanism group comprises a lower lifting arc forming mechanism and an upper lifting arc forming mechanism;

the lower lifting arc forming mechanism is hinged with the lower forming roller way, and each lower roller shaft is connected with the lower air grid of the corresponding lower air grid group;

the upper lifting arc forming mechanism is hinged with the upper forming roller way, and each upper roller shaft is connected with the upper air grid of the upper air grid group corresponding to the upper roller shaft.

10. The curved tempered glass forming system as claimed in claim 9, wherein the curved tempered glass forming system further comprises: the lower forming roller way comprises a plurality of lower hinge plates which are hinged with each other, the lower hinge plates are used for installing lower roller shafts, lower roller shaft driving wheels of the lower roller shafts are arranged on the outer sides of the lower hinge plates, and the lower air grids are connected with the corresponding lower roller shafts through the lower hinge plates;

the lower lifting arc forming mechanism comprises a lower hinge and a first driving part positioned above the lower forming roller way, and lower hinge plates corresponding to the lower roller ways at two ends of the lower forming roller way are respectively connected with the first driving part through the lower hinge;

the upper lifting arc forming mechanism comprises an upper hinge and a second driving part positioned above the upper forming roller way, the upper air grid is arranged on the upper hinge plate or the transition hinge plate, and the upper hinge plates corresponding to the upper roller ways positioned at two ends of the upper forming roller way are respectively connected with the second driving part through the upper hinge;

the first driving part and the second driving part are driven by a motor.

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