CN212770444U

CN212770444U - Flexible shaft bending and arcing mechanism

Info

Publication number: CN212770444U
Application number: CN202021056532.4U
Authority: CN
Inventors: 赵雁; 崔笑尘
Original assignee: Luoyang Landglass Technology Co Ltd
Current assignee: Luoyang Landglass Technology Co Ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-03-23
Anticipated expiration: 2030-06-10

Abstract

A flexible shaft bending arc forming mechanism comprises a chain plate combination formed by sequentially connecting a plurality of chain plate groups, wherein each chain plate group is formed by correspondingly connecting two parallel chain plates through two chain plate pins; the adjacent chain plate groups are rotatably connected through chain plate pins, a gap between two chain plates in each chain plate group forms an installation space of the chain plate combination, and a connecting rod mechanism is arranged in the installation space; the chain plate group is provided with a fixed connecting rod shaft, other chain plate groups in the chain plate group except the chain plate group positioned in the middle part of the chain plate group in the length direction are also provided with a movable connecting rod shaft and a limiting mechanism, the fixed end of the connecting rod mechanism is connected to the fixed connecting rod shaft, and the movable end of the connecting rod mechanism is connected to the movable connecting rod shaft; the limiting mechanism limits the up-down moving stroke of the movable connecting rod shaft in the arc forming process. The utility model discloses can realize just bending and can realize turning over again, still eliminate because the accumulative error that pinion rack meshing clearance leads to, solve the not enough problem of glass arcing precision.

Description

Flexible shaft bending and arcing mechanism

Technical Field

The utility model belongs to the technical field of the curved tempering equipment of glass's flexible axle, concretely relates to flexible axle is curved into arc mechanism.

Background

The single-curved-surface bent toughened glass comprises forward bent toughened glass and backward bent toughened glass, and is widely applied to the fields of buildings, household appliances, automobiles and the like. The prior commonly used single-curved-surface bent toughened glass manufacturing equipment comprises hard shaft bent toughening equipment and flexible shaft bent toughening equipment, wherein the flexible shaft bent toughening equipment is popular because the flexible shaft bent toughening equipment is more favorable for the lower piece of the reversely bent glass.

The flexible shaft bending glass tempering equipment is usually divided into forward bending and reverse bending, or only realizes the forward flexible shaft bending, or only realizes the reverse flexible shaft bending. However, forward and reverse flexible shaft bending integrated equipment is proposed, a toothed plate is used as an arc changing mechanism, when the toothed plate is in arc forming, the arc precision of the equipment is poor due to accumulation of tooth-shaped meshing gaps, and the shape precision of glass is seriously influenced when the glass is in arc forming.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model aims at providing a flexible axle becomes arc mechanism bends, through the cooperation of link joint, stop gear and sliding sleeve, when making equipment can realize just curved can realize the recurvation, has still eliminated the arcing in-process because the accumulative error that the pinion rack meshing clearance leads to, has solved the problem that glass becomes the arc precision is not enough.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a flexible shaft bending arc forming mechanism comprises a chain plate assembly formed by sequentially connecting a plurality of chain plate groups from head to tail, wherein the chain plate assembly is formed by correspondingly connecting two parallel chain plates through two chain plate pins, the chain plates are also provided with protruding parts, and the adjacent chain plate groups are rotationally connected through the chain plate pins; gaps among the chain plate groups form an installation space of the chain plate combination, and a scissor-type connecting rod mechanism is arranged in the installation space; the chain plate group is provided with a fixed connecting rod shaft, two ends of the fixed connecting rod shaft are rotatably connected to the protruding parts of the two chain plates of the chain plate group, in addition to the chain plate group positioned in the middle part of the chain plate group in the length direction, other chain plate groups are also provided with a movable connecting rod shaft and a limiting mechanism, the fixed end of a connecting rod in the connecting rod mechanism is connected to the fixed connecting rod shaft, the movable end of the connecting rod in the connecting rod mechanism is connected to the movable connecting rod shaft, and the movable connecting rod shaft is provided with a sliding sleeve; the limiting mechanism comprises an upper limiting mechanism and a lower limiting mechanism which are respectively arranged above and below the movable connecting rod shaft, the upper limiting mechanism and the lower limiting mechanism are respectively connected with two ends of the sliding sleeve in a sliding manner, and the upper and lower movable strokes of the movable connecting rod shaft in the arc forming process are limited through the lifting of the sliding sleeve.

Go up the position mechanism and include lead screw, go up spacing piece and go up spacing power device, go up the lead screw and rotate and set up in last backup pad, go up spacing piece and last lead screw threaded connection, go up spacing power device drive and go up the lead screw and rotate, realize going up the up-and-down activity of spacing piece, it fixes between two link joints of link joint group to go up the backup pad.

The lower limiting mechanism comprises a lower screw rod, a lower limiting block and a lower limiting power device, the lower screw rod is rotatably arranged on the lower supporting plate, the lower limiting block is in threaded connection with the lower screw rod, the lower limiting power device drives the lower screw rod to rotate, the upper and lower movement of the lower limiting block is realized, and the lower supporting plate is fixed between two chain plates of the chain plate group.

Go up the spacing piece and establish respectively at the both ends of a sliding sleeve with spacing piece down, go up between spacing piece and the sliding sleeve and can relative motion from top to bottom between spacing piece and the sliding sleeve down, the top of going up the spacing piece and the bottom of spacing piece down are equipped with the spacing ring that can support the sliding sleeve respectively, the activity connecting rod axle include two sections protruding axles that set up respectively in two opposite flank of sliding sleeve.

And the protruding part of the chain plate is provided with a strip-shaped through hole along the moving direction of the movable connecting rod shaft.

The shaft end of the movable connecting rod shaft extends into the strip-shaped through hole, and the hole wall of the strip-shaped through hole provides guidance for the up-and-down movement of the movable connecting rod shaft.

The upper limiting power device and the lower limiting power device are both motors, and the motors are connected with the corresponding upper screw rods or the corresponding lower screw rods through transmission mechanisms.

The motor in the upper limiting mechanism is fixed on the upper supporting plate, the motor of the lower limiting mechanism is fixed on the lower supporting plate, and the transmission mechanism is one of a chain transmission mechanism, a belt transmission mechanism or a gear transmission mechanism.

The chain plate is a T-shaped plate, a trapezoidal plate or a triangular plate.

The chain plate group at the end part of the chain plate combination is provided with a hanging part connected with the traction mechanism and a hanging hole arranged on the hanging part.

The number of chain plate groups is odd.

The utility model has the advantages that: the utility model discloses realize rotating the connection through link plate round pin and link mechanism between the well link plate to can be forward or reverse become the arc, can eliminate the error accumulation that prior art well pinion rack meshing clearance formed, ensure into the arc precision, and the stop gear who sets up can prescribe a limit to the stroke of movable connecting rod axle with the sliding sleeve cooperation, because the stroke of movable connecting rod axle directly influences the arc radius size that becomes of link plate combination, consequently just can adjust through the position of spacing motor adjustment stop gear middle and upper lower stop block the utility model discloses a become arc radius size.

The utility model discloses in except that the link joint group of intermediate position need fix in the frame of tempering equipment, still dispose the motor in the upper and lower stop gear of each other group link joint group, can realize the independent adjustment of movable connecting rod axle stroke like this in the link joint group to satisfy the becoming arc requirement of other forms except just bending, turning round, become arc, the arc that varies such as arc gradually for example.

Furthermore, the utility model discloses can realize the fine setting to certain position behind the finished arc to improve holistic finished arc precision.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of the left side structure of FIG. 1;

fig. 3 is a schematic structural view of the chain plate group in the present invention;

the labels in the figure are: 1. the chain plate, 2, the chain plate round pin, 3, go up servo motor, 4, lower servo motor, 5, link mechanism, 6, fixed connecting rod axle, 7, the activity connecting rod axle, 8, go up spacing mechanism, 9, lower spacing mechanism, 10, hitching part, 11, go up the spacing piece, 12, go up the lead screw, 13, sliding sleeve, 14, lower lead screw, 15, lower spacing piece, 16, the bottom suspension fagging, 17, go up the backup pad, 18, the connecting rod, 19, the fixing base, 20, the spacing ring, 21, the bulge, 22, rectangular shape through-hole.

Detailed Description

The following detailed description of the present invention is provided with reference to the accompanying drawings and examples, but not to be construed as limiting the present invention in any way.

Referring to the attached

drawings

1, 2 and 3, the flexible shaft bending arc forming mechanism comprises a chain plate combination formed by connecting a plurality of chain plate groups in an end-to-end rotating mode, wherein each chain plate group is formed by connecting two chain plates 1 in a face-to-face mode, two pin holes are formed in the end-to-end ends of the two chain plates 1 of the same chain plate group respectively, a protruding portion 21 far away from the pin holes is further formed in each chain plate 1, chain plate pins 2 penetrate through the corresponding pin holes in the two chain plates 1 of the same chain plate group to achieve connection of the two chain plates 1, two adjacent chain plate groups share one chain plate pin 2, namely one chain plate pin 2 penetrates through the pin holes of the four chain plates, and therefore the chain plate combination is formed, a certain distance is reserved between the two chain plates 1 in the same chain plate group, and installation space is provided for installation of a connecting rod mechanism 5 and a limiting mechanism.

The chain plate combination can be divided into three types according to the action in the arc changing process, one type is a group of chain plate groups positioned in the middle of the chain plate combination in the length direction, and the chain plate groups are used as a fixed seat 19 of the whole arc forming mechanism and are fixed on a frame of toughening equipment; the second type is chain plate groups positioned at two end parts of the chain plate combination in the length direction, the outer sides of the chain plate groups are provided with a hanging part 10 connected with a traction mechanism and hanging holes arranged on the hanging part 10, and a chain or a steel wire rope of the traction mechanism can be fixed on the hanging holes of the hanging part 10; the third category is a plurality of link plate groups between the first two categories, which participate in the final arcing.

The structure of the two half link plate assemblies on both sides of the fixing seat 19 is symmetrical with respect to the fixing seat 19, so in order to clearly show each structure, fig. 2 is based on fig. 1, and a part of the structure schematic diagram on the left side of the fixing seat 19 in fig. 1 is taken as an example for identification.

Link mechanism 5 install inside the link joint combination, promptly in the installation space that is formed by two link joints 1 in the link joint group, link mechanism 5 includes connecting rod axle and connecting rod 18, the connecting rod axle divide into fixed connecting rod axle 6 and activity connecting rod axle 7, two axle heads of fixed connecting rod axle 6 rotate respectively and connect the lower part of two link joints 1 in all link joint groups, connecting rod 18 one end is the stiff end, and the other end is the expansion end, with the stiff end suit of connecting rod 18 on fixed connecting rod axle 6, the expansion end suit is on adjacent activity connecting rod axle 7, and in order to improve the stability of becoming the arc process, two connecting rods 18 need the suit to fixed connecting rod axle 6, and two connecting rods 18 are located the both ends of fixed connection axle 6 respectively. The connecting rod 18 is rotatably connected with the fixed connecting rod shaft 6 or the movable connecting rod shaft 7.

The fixed end of each link 18 constitutes the fixed end of the overall linkage 5, and likewise, the movable end of each link 18 constitutes the movable end of the overall linkage 5.

The limiting mechanism comprises an upper limiting mechanism 8 and a lower limiting mechanism 9 which are respectively arranged above and below the movable connecting rod shaft 7 and limit the up-and-down moving stroke of the movable connecting rod shaft 7 in the arc forming process.

The upper limiting mechanism 8 comprises an upper screw rod 12, an upper limiting block 11 and an upper limiting power device, the upper screw rod 12 is rotatably arranged on an upper supporting plate 17, the upper limiting block 11 is in threaded connection with the upper screw rod 12, the upper limiting power device drives the upper screw rod 12 to rotate, the upper limiting block 11 moves up and down, and the upper supporting plate 17 is fixed between two chain plates 1 of the chain plate group.

The lower limiting mechanism 9 comprises a lower screw rod 14, a lower limiting block 15 and a lower limiting power device, the lower screw rod 14 is rotatably arranged on a lower supporting plate 16, the lower limiting block 15 is in threaded connection with the lower screw rod 14, the lower limiting power device drives the lower screw rod 14 to rotate, the upper and lower movement of the lower limiting block 15 is realized, and the lower supporting plate 16 is fixed between two chain plates 1 of the chain plate group.

Furthermore, the upper limiting block 11 and the lower limiting block 15 are respectively sleeved at two ends of one sliding sleeve 13, and the upper limiting block 11 and the sliding sleeve 13 and the lower limiting block 15 and the sliding sleeve 13 realize relative up-and-down movement through the matching of splines and key grooves and restrict the circumferential movement of the upper limiting block and the sliding sleeve 13; the top of the upper limiting block 11 and the bottom of the lower limiting block 15 are respectively provided with a limiting ring 20 capable of abutting against the sliding sleeve 13, and the movable connecting rod shaft 7 comprises two sections of protruding shafts respectively arranged on two opposite side surfaces of the sliding sleeve 13. It is worth mentioning that the sliding sleeve 13 and the movable link shaft 7 are integrally formed as one piece.

Furthermore, a long strip-shaped through hole 22 is formed in the protruding part 21 of the chain plate 1 along the moving direction of the movable connecting rod shaft 7, and the state of the internal structure can be observed through the long strip-shaped through hole 22; the strip-shaped through hole 22 can also be used as a guide groove, and at this time, the shaft end of the movable connecting rod shaft 7 (namely the shaft end of the convex shaft) extends into the strip-shaped through hole 22 and is in clearance fit with the inner wall of the through hole.

Furthermore, the upper limiting power device and the lower limiting power device both adopt servo motors, an upper servo motor 3 in the upper limiting mechanism 8 is fixed on an upper support plate 17, a lower servo motor 4 of the lower limiting mechanism 9 is fixed on a lower support plate 16, the upper servo motor 3 and the upper screw rod 12 and the lower servo motor 4 and the lower screw rod 14 are respectively connected through a transmission mechanism to transmit power, and the transmission mechanism is one of a chain transmission mechanism, a belt transmission mechanism or a gear transmission mechanism.

Alternatively, the link plate 1 is a T-shaped plate, a trapezoidal plate or a triangular plate, and for the first and third types of link plate groups, the shape of the link plate 1 may be changed according to actual conditions, but the protrusion 21 for mounting the link shaft is reserved.

In the arc forming process of the utility model, when the chain plate combination is bent downwards to form an arc, the movable connecting rod shaft 7 moves upwards until the upper edge of the sliding sleeve 13 abuts against the limiting ring 20 of the upper limiting block 11, the arc forming mechanism can not continuously bend downwards to form an arc, thus obtaining a target arc of reverse bending, the upper servo motor 3 drives the upper screw rod 12 to rotate, the position of the upper limiting block 11 can be adjusted up and down, and then the target arcs of reverse bending with different radiuses can be obtained; when the two ends of the chain plate combination are pulled and bent upwards to form arcs, the movable connecting rod shaft 7 moves downwards until the lower edge of the sliding sleeve 13 abuts against the limiting ring 20 of the lower limiting block 15, the arc forming mechanism cannot be bent and changed continuously, so that a forward-bent target arc is obtained, the lower servo motor 4 drives the lower screw rod 14 to rotate, the position of the lower limiting block 15 can be adjusted, and forward-bent target arcs with different radiuses can be obtained.

The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and it should be understood by those of ordinary skill in the art that the embodiments of the present invention can be modified or replaced with equivalents with reference to the above embodiments, and any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention are all within the scope of the claims of the present application.

Claims

1. A flexible shaft bending arc forming mechanism comprises chain plate combinations formed by sequentially connecting a plurality of chain plate groups from head to tail, wherein each chain plate group is formed by correspondingly connecting two parallel chain plates (1) through two chain plate pins (2), a protruding part (21) is arranged on each chain plate (1), and the adjacent chain plate groups are rotatably connected through the chain plate pins (2); gaps among the chain plate groups form an installation space of the chain plate combination, and a scissor-type connecting rod mechanism (5) is arranged in the installation space; the method is characterized in that: the chain plate group is provided with a fixed connecting rod shaft (6), and two ends of the fixed connecting rod shaft (6) are rotatably connected to the protruding parts (21) of the two chain plates (1); in the chain plate combination, except the chain plate group positioned in the middle of the chain plate combination in the length direction, other chain plate groups are also provided with a movable connecting rod shaft (7) and a limiting mechanism, the fixed end of the connecting rod mechanism (5) is connected to the fixed connecting rod shaft (6), the movable end of the connecting rod mechanism (5) is connected to the movable connecting rod shaft (7), and the movable connecting rod shaft (7) is provided with a sliding sleeve (13); stop gear includes stop gear (8) and lower stop gear (9), sets up respectively in the top and the below of movable connecting rod axle (7), go up stop gear (8) and lower stop gear (9) respectively with the both ends sliding connection of sliding sleeve (13) to go up and down through sliding sleeve (13) to the upper and lower activity stroke of becoming arc in-process movable connecting rod axle (7) is injectd.

2. The flexible shaft bending and arcing mechanism of claim 1, wherein: go up stop gear (8) including last lead screw (12), go up spacing piece (11) and go up spacing power device, go up lead screw (12) and rotate and set up on last backup pad (17), go up spacing piece (11) and last lead screw (12) threaded connection, go up spacing power device drive lead screw (12) and rotate, realize going up the up-and-down activity of spacing piece (11), it fixes between two link joint (1) of link joint group to go up backup pad (17).

3. The flexible shaft bending and arcing mechanism of claim 2, wherein: the lower limiting mechanism (9) comprises a lower screw rod (14), a lower limiting block (15) and a lower limiting power device, the lower screw rod (14) is rotatably arranged on a lower supporting plate (16), the lower limiting block (15) is in threaded connection with the lower screw rod (14), the lower limiting power device drives the lower screw rod (14) to rotate, up-and-down movement of the lower limiting block (15) is achieved, and the lower supporting plate (16) is fixed between two chain plates (1) of the chain plate group.

4. The flexible shaft bending and arcing mechanism of claim 3, wherein: go up spacing piece (11) and establish respectively with spacing piece (15) down the both ends of sliding sleeve (13), go up between spacing piece (11) and sliding sleeve (13) and down between spacing piece (15) and sliding sleeve (13) can relative motion from top to bottom, go up the top of spacing piece (11) and the bottom of spacing piece (15) down and be equipped with spacing ring (20) that can support sliding sleeve (13) respectively, movable connecting rod axle (7) include that two sections set up respectively at the protruding axle of two opposite flank of sliding sleeve (13).

5. The flexible shaft bending and arcing mechanism of any one of claims 1 to 4, wherein: and a long strip-shaped through hole (22) is formed in the protruding part (21) of the chain plate (1) along the moving direction of the movable connecting rod shaft (7).

6. The flexible shaft bending and arcing mechanism of claim 5, wherein: the shaft end of the movable connecting rod shaft (7) extends into the strip-shaped through hole (22), and the hole wall of the strip-shaped through hole (22) guides the up-and-down movement of the movable connecting rod shaft (7).

7. The flexible shaft bending and arcing mechanism of claim 3 or 4, wherein: the upper limiting power device and the lower limiting power device are both motors, and the motors are connected with the corresponding upper screw rods (12) or the corresponding lower screw rods (14) through transmission mechanisms.

8. The flexible shaft bending and arcing mechanism of claim 7, wherein: the motor in the upper limiting mechanism (8) is fixed on the upper supporting plate (17), the motor of the lower limiting mechanism (9) is fixed on the lower supporting plate (16), and the transmission mechanism is one of a chain transmission mechanism, a belt transmission mechanism or a gear transmission mechanism.

9. The flexible shaft bending and arcing mechanism of claim 1, wherein: the chain plate (1) is a T-shaped plate, a trapezoidal plate or a triangular plate.

10. The flexible shaft bending and arcing mechanism of claim 1, wherein: the chain plate group at the end part of the chain plate combination is provided with a hanging part (10) connected with the traction mechanism and a hanging hole arranged on the hanging part (10).

11. The flexible shaft bending and arcing mechanism of claim 1, wherein: the number of chain plate groups is odd.