A glass workpiece positioning device and a glass forming apparatus

Abstract

The utility model discloses a glass workpiece positioning device and glass forming equipment, glass workpiece positioning device includes roller bed subassembly and positioning subassembly, and roller bed subassembly includes a plurality of interval arrangement's conveying roller along a conveying direction, and a plurality of conveying rollers have conveying surface, positioning subassembly includes positioning air knife, positioning piece and locking piece, and positioning air knife sets up between two conveying rollers of adjacent, and positioning air knife is equipped with first connecting portion, positioning piece is equipped with second connecting portion and locking portion, and second connecting portion is detachably connected with first connecting portion, to make positioning piece protrude on conveying surface, locking piece is used to be connected with locking portion after second connecting portion and first connecting portion connect. The utility model discloses through the positioning piece of protruding from conveying surface can position glass workpiece on conveying surface, when glass appears the trend of running off in the transportation process, and positioning piece can contact with glass edge to physical constraint glass and move to side portion, avoid glass and shift.

Description

Technical Field

[0001] This utility model relates to the field of glass deep processing technology, and in particular to a glass workpiece positioning device and a glass forming equipment. Background Technology

[0002] In the glass processing of rigid-shaft roller conveyor tempering equipment, the glass needs to be smoothly conveyed along the roller surface to the air grid area for bending. However, when the glass moves on the roller conveyor, it is very easy for it to shift laterally in the conveying direction due to factors such as uneven friction on the roller surface and fluctuations in conveying speed. Once the glass shifts out of position, the curved glass shape may be inaccurate, and quality problems such as diagonal deviation and curvature deformation may occur, seriously affecting the product qualification rate and production efficiency.

[0003] Currently, the relevant technology uses one air knife of the air grille as a positioning air knife. When the glass enters the air grille, the positioning air knife rises and corrects the glass position by limiting the glass to achieve accurate curvature. However, because the positioning air knife is a planar structure, it cannot form effective contact with the glass edge when dealing with irregularly shaped glass or glass with sharp corners, resulting in positioning failure. In addition, when the size and shape of the glass change, the planar positioning air knife is difficult to flexibly adjust its angle and position, failing to meet diverse production needs, causing frequent production line shutdowns for debugging, and greatly restricting processing efficiency. Utility Model Content

[0004] In order to overcome at least one of the defects of the prior art, one of the objectives of this utility model is to provide a glass workpiece positioning device, which can position the glass workpiece on the conveying surface by setting a positioning element protruding from the conveying surface on the positioning air knife, thereby preventing the glass from shifting.

[0005] The second objective of this utility model is to provide a glass forming equipment, wherein the glass workpiece positioning device can position the glass workpiece during the glass conveying stage and the glass forming stage, so as to avoid inaccurate forming shape due to positional displacement of the glass, and can support the lower end of the glass during glass forming to prevent the glass from slipping.

[0006] One of the technical solutions adopted by this utility model to solve its problem is:

[0007] A glass workpiece positioning device, comprising,

[0008] A roller conveyor assembly includes a plurality of conveyor rollers spaced apart along a conveying direction, wherein the plurality of conveyor rollers have conveying surfaces;

[0009] The positioning assembly includes a positioning air knife, a positioning element, and a locking element. The positioning air knife is disposed between two adjacent conveying rollers and has a first connecting portion. The positioning element has a second connecting portion and a locking portion. The second connecting portion is detachably connected to the first connecting portion so that the positioning element extends out of the conveying surface. The locking element is used to lock the second connecting portion to the locking portion after the second connecting portion is connected to the first connecting portion.

[0010] As an optional implementation, the positioning element includes a connecting seat and a positioning seat, the positioning seat being rotatably connected to the connecting seat; the second connecting part and the locking part are both disposed on the connecting seat.

[0011] As an optional implementation, the first connecting part includes a connecting groove, and the second connecting part includes a connecting arm, the connecting arm being slidably mounted in the connecting groove.

[0012] As an optional implementation, the locking part includes a threaded hole, the locking member includes a bolt, the bolt passes through the threaded hole, and the end of the bolt abuts against the positioning air knife.

[0013] As an optional implementation, the positioning seat includes a positioning wheel, which is rotatably connected to the connecting seat via a connecting shaft.

[0014] As an optional implementation, the positioning seat is provided with a protective sleeve on its outer periphery.

[0015] As an optional implementation, the connecting groove extends through the positioning air knife along a first direction and forms a slot at the end of the positioning air knife, and the connecting arm is installed into the connecting groove through the slot.

[0016] As an optional implementation, the connecting seat includes a mounting plate segment and two oppositely arranged connecting plate segments, the two connecting plate segments being respectively connected to both sides of the mounting plate segment; a receiving gap is formed between the two connecting plate segments, the receiving gap being used to receive the positioning air knife, the mounting plate segment abutting against the top of the positioning air knife, and the two connecting plate segments abutting against the sides of the positioning air knife;

[0017] Both the positioning seat and the locking part are disposed on the mounting plate segment; the second connecting part is disposed on the connecting plate segment, and the first connecting part is disposed on the side of the positioning air knife.

[0018] As an optional implementation, the positioning component includes a drive mechanism, the power output end of which is connected to the positioning air knife. The drive mechanism is used to drive the positioning air knife to move closer to or away from the conveying surface, so that the positioning element extends out of or away from the conveying surface.

[0019] The second technical solution adopted by this utility model to solve its problem is:

[0020] A glass forming apparatus includes a variable arc assembly and a glass workpiece positioning device as described above. The variable arc assembly includes two sets of variable arc mechanisms, which are respectively disposed at both ends of the roller assembly. Each variable arc mechanism includes a plurality of mutually hinged variable arc elements. The two ends of the conveying roller are respectively connected to two corresponding variable arc elements on the two sets of variable arc mechanisms. The two ends of the positioning air knife are respectively connected to two corresponding variable arc elements on the two sets of variable arc mechanisms.

[0021] In summary, the glass workpiece positioning device and glass forming equipment provided by this utility model have the following technical effects:

[0022] 1. This utility model's glass workpiece positioning device, by setting a positioning component protruding from the conveying surface on the positioning air knife, can position the glass workpiece on the conveying surface and prevent the glass from shifting. Since the positioning component is detachably connected to the positioning air knife, it can be installed at different positions on the positioning air knife to position glass workpieces of different specifications without frequent machine stops for adjustment. Furthermore, a locking component secures the position of the positioning component, preventing it from loosening or shifting during use.

[0023] 2. The glass forming equipment of this utility model has a glass workpiece positioning device that can position the glass workpiece during the glass conveying stage, preventing the glass from shifting position before forming and resulting in inaccurate forming shape. Furthermore, since the positioning component is detachably connected to the positioning air knife, the positioning component can be installed at different positions on the positioning air knife, thus supporting the lower end of the glass during forming and preventing it from slipping. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a top view of one application of the glass workpiece positioning device in Embodiment 1 of this utility model;

[0026] Figure 2 This is a side view of the glass workpiece positioning device in Embodiment 1 of this utility model;

[0027] Figure 3 This is a schematic diagram of the positioning component in Embodiment 1 of this utility model;

[0028] Figure 4 for Figure 3 Schematic diagram of the cross section at point AA;

[0029] Figure 5 This is a structural schematic diagram illustrating another use of the positioning component in Embodiment 1 of this utility model.

[0030] The meanings of the reference numerals in the attached figures are as follows:

[0031] 10. Conveyor roller; 20. Positioning assembly; 21. Positioning air knife; 211. First connecting part; 212. Nozzle; 22. Positioning component; 221. Second connecting part; 222. Locking part; 23. Locking component; 24. Connecting seat; 241. Mounting plate segment; 242. Connecting plate segment; 243. Connecting shaft; 25. Positioning seat; 26. Protective sleeve; 30. Glass workpiece. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0034] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0035] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0036] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0037] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.

[0038] Example 1

[0039] See Figure 1 and Figure 5 This utility model discloses a glass workpiece positioning device, which includes a roller conveyor assembly and a positioning assembly 20. Specifically, the roller conveyor assembly includes a plurality of conveyor rollers 10 arranged at intervals along a conveying direction. Each conveyor roller 10 has a conveying surface for supporting and conveying the glass workpiece 30. (See reference...) Figure 2 and Figure 3 The positioning assembly 20 includes a positioning air knife 21, a positioning member 22, and a locking member 23. The positioning air knife 21 is disposed between two adjacent conveying rollers 10 and has a first connecting portion 211. Correspondingly, the positioning member 22 has a second connecting portion 221 and a locking portion 222, and the second connecting portion 221 is detachably connected to the first connecting portion 211 so that the positioning member 22 extends out of the conveying surface. In addition, the locking member 23 is used to lock the second connecting portion 221 to the locking portion 222 after the second connecting portion 221 is connected to the first connecting portion 211.

[0040] Based on this structure, when using the glass workpiece positioning device of this utility model, during assembly, the positioning air knife 21 is first installed in the gap between the two conveying rollers 10. Then, according to the shape and size of the glass workpiece 30 to be transported, and the correct position that the glass workpiece 30 should be in when it curves, one or more positioning elements 22 are installed on the positioning air knife 21, and the installation position of the positioning elements 22 is adjusted to ensure that the positioning elements 22 can fit against the edge of the glass workpiece 30 when it passes by. After determining the installation position of the positioning elements 22, the positioning elements 22 are connected to the first connecting part 211 on the positioning air knife 21 through the second connecting part 221 and extend out of the conveying surface. Then, the locking element 23 is connected to the locking part 222 on the positioning elements 22 to lock the positioning elements 22 onto the positioning air knife 21.

[0041] In use, the positioning air knife 21 is stably positioned in the gap between adjacent conveying rollers 10 and remains stationary. When the glass workpiece 30 moves smoothly along the conveying surface under the drive of the conveying rollers 10, the stationary positioning element 22 protruding from the conveying surface can play a positioning role. When the glass workpiece 30 tends to deviate during its forward movement, the edge of the glass workpiece 30 will first contact and interact with the positioning element 22. The positioning element 22 can constrain the lateral movement of the glass workpiece 30 through the contact area, thereby preventing the glass workpiece 30 from continuing to deviate.

[0042] Specifically, for a rectangular glass workpiece 30 with a regular shape, multiple positioning elements 22 can be set in the direction of the glass workpiece 30's offset. When the glass workpiece 30 tends to offset in the direction of the positioning elements 22, the multiple positioning elements 22 are tightly fitted with the side edge of the glass through multiple contact points, effectively limiting the lateral offset of the glass workpiece 30. Alternatively, two sets of positioning elements 22 can be set on the positioning air knife 21 at the front end of the glass workpiece 30 along the extension direction of the air knife. The two sets of positioning elements 22 maintain contact with the two side edges of the glass workpiece 30 during the glass's forward movement. The physical blocking of the side positioning elements 22 can constrain the position of the glass workpiece 30 and prevent it from shifting laterally.

[0043] Since the positioning component 22 and the positioning air knife 21 are detachably connected, for irregularly shaped glass workpieces 30, the positioning component 22 can be disassembled first, and then the installation position of the positioning component 22 can be redefined on the positioning air knife 21 at the front end of the glass workpiece 30 according to the contour of the glass workpiece 30. After installation, the positioning component 22 can fit tightly against the edge of the glass, and when the glass passes by, it guides the glass to the correct curved position through friction and physical support, ensuring the accuracy of the curved forming.

[0044] See Figure 1For a glass workpiece 30 with a sharp front end, positioning elements 22 can be set on both sides of the glass sharp corner. When the glass workpiece 30 passes by, the two sides of the glass sharp corner interact with the positioning elements 22 on both sides. The positioning elements 22 convert the lateral offset force on the glass workpiece 30 into forward force along the conveying direction, thus constraining the glass workpiece 30 to be in the correct position.

[0045] In this way, the glass can be bent into an arc shape in the correct position under the action of the positioning component 22, significantly improving the shape consistency of the curved glass. Furthermore, the entire process does not require frequent machine stops for debugging, ensuring continuous operation of the production line.

[0046] The positioning air knife 21 extends in the same direction as the conveyor roller 10, and is equipped with multiple nozzles 212. When the roller assembly drives the glass workpiece 30 on it to change its arc, the positioning air knife 21 between two adjacent conveyor rollers 10 can spray cooling airflow onto the conveying surface through the nozzles 212 to cool and shape the glass.

[0047] The positioning air knife 21 and the positioning component 22 are detachably connected via the first connecting part 211 and the second connecting part 221, allowing operators to easily install the positioning component 22 at different positions on the positioning air knife 21 to accommodate different glass sizes and shapes. The locking component 23 is locked to the locking part 222 of the positioning component 22, preventing the positioning component 22 from loosening or shifting during glass transport, thus ensuring the reliability and stability of the positioning.

[0048] Therefore, by effectively contacting the positioning element 22 with the edge of the glass, the position of the glass workpiece 30 can be constrained, solving the problem of positioning failure caused by special glass shapes or sharp corners at the front end of the glass, and ensuring that glass of various shapes can be accurately positioned. At the same time, the accurate positioning of the glass workpiece 30 effectively avoids quality problems such as diagonal deviation and curvature deformation in the formed glass, greatly improving the forming accuracy and product qualification rate of curved glass, and reducing the scrap rate.

[0049] As an optional implementation method, see [link / reference]. Figure 2 as well as Figure 4 The positioning member 22 includes a connecting seat 24 and a positioning seat 25, and the positioning seat 25 is rotatably connected to the connecting seat 24. The second connecting part 221 and the locking part 222 are both provided on the connecting seat 24.

[0050] Based on this structure, the positioning seat 25 can be assembled with the connecting seat 24 via a rotating shaft, bearings, or other structures. During assembly, the position of the positioning component 22 on the positioning air knife 21 is first adjusted. The positioning component 22 is connected to the first connecting portion 211 of the positioning air knife 21 via the second connecting portion 221 of the connecting seat 24, and is initially fixed in a preset position between the conveying rollers 10. Then, the connecting seat 24 and the positioning air knife 21 are locked together by the locking component 23.

[0051] When the glass workpiece 30 tends to deviate during its forward movement along the conveyor surface driven by the conveyor roller 10, its edge will first contact the positioning element 22 protruding from the conveyor surface. At this time, an interaction force is generated between the positioning element 22 and the glass, which constrains the lateral movement of the glass workpiece 30 through the contact area, effectively preventing the glass from continuously deviating.

[0052] Meanwhile, as the glass workpiece 30 moves forward, the contact part will cause the positioning seat 25 to rotate relative to the connecting seat 24. When the edge of the glass contacts the positioning element 22, the positioning seat 25 can rotate adaptively with the direction of glass movement, automatically conforming to the changes in the glass contour, avoiding positioning failure due to irregular glass shape, and ensuring that glass of all shapes can be effectively positioned to avoid the positioning element 22.

[0053] As an optional implementation, the first connecting part 211 includes a connecting groove, the second connecting part 221 includes a connecting arm, and the connecting arm is slidably mounted in the connecting groove.

[0054] Based on this structure, during assembly, the connecting arm of the positioning member 22 can be aligned with the connecting groove of the positioning air knife 21 and smoothly inserted along the groove direction. Then, according to the size and shape of the glass workpiece 30 to be processed, the lateral position of the positioning member 22 can be precisely adjusted by sliding the connecting arm within the connecting groove. After the positioning member 22 is properly positioned, the locking member 23 can be used to tightly engage with the locking part 222 on the connecting arm.

[0055] Therefore, the sliding connection structure enables the positioning component 22 to be infinitely adjustable on the air knife. For glass workpieces 30 of different sizes, the operator does not need to replace the entire positioning component 20, but can quickly adjust the position of the positioning component 22 by sliding the connecting arm.

[0056] As an optional implementation method, see [link / reference]. Figure 3 The locking part 222 includes a threaded hole, and the locking member 23 includes a bolt, wherein the bolt passes through the threaded hole and the end of the bolt abuts against the positioning air knife 21.

[0057] Based on this structure, after inserting the connecting arm of the positioning member 22 into the connecting groove of the positioning air knife 21 and sliding it along the track in the groove to the preset positioning position, the bolt can be aligned and inserted into the threaded hole of the positioning member 22, and the bolt can be tightened so that the end of the bolt abuts against the positioning air knife 21.

[0058] In this way, when the end of the bolt abuts against the positioning air knife 21, there is a large friction between the two. Through the friction between the bolt and the positioning air knife 21, the connecting seat 24 can be firmly installed on the positioning air knife 21, preventing the positioning part 22 from loosening or shifting.

[0059] As an optional implementation, the positioning seat 25 includes a positioning wheel, and the positioning wheel is rotatably connected to the connecting seat 24 via a connecting shaft 243.

[0060] Based on this structure, during assembly, the positioning wheel can be installed in the preset shaft hole of the connecting seat 24 via the connecting shaft 243, ensuring that the rotation axis of the positioning wheel is perpendicular to the glass conveying direction. Then, the connecting seat 24 is slidably connected to the first connecting part 211 of the positioning air knife 21 via the second connecting part 221 and adjusted to the target position. Subsequently, the connecting seat 24 is fixed to the positioning air knife 21 using locking parts 23 such as screws or bolts.

[0061] When the glass workpiece 30 advances with the conveyor roller 10 and contacts the positioning wheel, the positioning wheel immediately begins to roll, and its rolling direction is consistent with the glass conveying direction. For glass with straight edges, multiple positioning wheels form a continuous rolling support surface, and the glass edge maintains straight movement under the guidance of the positioning wheels, avoiding lateral displacement caused by uneven friction. For glass with a sharp front corner, the positioning wheels on both sides can contact the sharp corner edge simultaneously, and smoothly guide the glass to the correct position through rolling friction.

[0062] Throughout the positioning process, the rolling resistance of the positioning wheel is small, allowing the glass to be positioned smoothly. At the same time, the rotation of the positioning wheel ensures real-time tracking of the glass edge.

[0063] Alternatively, the positioning seat 25 can also be a positioning bushing, which is rotatably connected to the connecting seat 24 via the connecting shaft 243.

[0064] As an optional implementation, the positioning seat 25 is provided with a protective sleeve 26 on its outer periphery.

[0065] The protective sleeve 26 can be made of high-temperature resistant materials such as ceramic fiber, silicone rubber, or polyimide. When the glass is conveyed to the positioning area on the roller conveyor, the protective sleeve 26 on the positioning seat 25 contacts the edge of the glass to assist in completing the positioning action.

[0066] It should be noted that when the rigid shaft roller bending tempering equipment is working, the glass temperature can reach 600-700℃. The high temperature of the glass workpiece 30 will be directly conducted to the positioning seat 25. If the positioning seat 25 is made of materials such as metal or ordinary engineering plastics, it is prone to thermal deformation and strength reduction in the high temperature environment, which will lead to reduced positioning accuracy or even positioning failure.

[0067] In this embodiment, by setting a protective sleeve 26 to wrap around the outer periphery of the positioning seat 25, the heat transmitted by the glass can be effectively isolated, and the glass under high temperature conditions can be prevented from adhering to the surface of the positioning seat 25, thereby affecting the normal rotation of the positioning seat 25.

[0068] As an optional implementation, the connecting groove extends through the positioning air knife 21 along the first direction and forms a slot at the end of the positioning air knife 21, wherein the connecting arm is installed into the connecting groove through the slot.

[0069] Based on this structure, when assembling or replacing the positioning component 22, the connecting arm of the positioning component 22 can be aligned with the slot at the end of the positioning air knife 21, and the connecting arm can easily slide into the connecting slot along the slot. Since the connecting slot runs through the positioning air knife 21 along the first direction, the connecting arm can be directly inserted from one end, without the need for side embedding or complex alignment, making the installation process intuitive and convenient. For example, when installing multiple positioning components 22, the connecting arms can be pushed into the slots one by one to quickly complete the layout along the length of the positioning air knife 21.

[0070] The first direction is the extension direction of the positioning air knife 21, and the first direction is perpendicular to the conveying direction of the roller conveyor assembly.

[0071] When the glass workpiece 30 is conveyed on the roller conveyor, the positioning element 22 achieves precise positioning through the connecting groove. If the position of the positioning element 22 needs to be finely adjusted due to changes in the size or shape of the glass, the operator does not need to disassemble the positioning element 22. Instead, the operator can directly push the connecting arm along the through direction of the connecting groove to quickly adjust the position of the positioning element 22 in the first direction. For example, for glass of different widths, the positioning element 22 can be slid along the connecting groove to maintain a suitable distance from the edge of the glass.

[0072] When performing equipment maintenance or replacing worn positioning components 22, operators only need to release locking components 23 to directly pull the connecting arm out of the slot without disassembling other parts. If the positioning air knife 21 is partially damaged, it can also be disassembled separately and a new positioning air knife 21 assembly can be quickly replaced through the slot, significantly reducing maintenance difficulty and time costs.

[0073] Therefore, the connection groove allows the positioning member 22 to slide freely within the entire length of the connection groove, enabling it to quickly adapt to glass workpieces 30 of different sizes and shapes.

[0074] As an optional implementation method, see [link / reference]. Figure 4 The connecting base 24 includes a mounting plate segment 241 and two opposing connecting plate segments 242. Specifically, the two connecting plate segments 242 are respectively connected to both sides of the mounting plate segment 241, and a receiving gap is formed between the two connecting plate segments 242 to accommodate the positioning air knife 21. The mounting plate segment 241 abuts against the top of the positioning air knife 21, and the two connecting plate segments 242 abut against the sides of the positioning air knife 21.

[0075] The positioning seat 25 and the locking part 222 are both disposed on the mounting plate section 241, the second connecting part 221 is disposed on the connecting plate section 242, and the first connecting part 211 is disposed on the side of the positioning air knife 21.

[0076] Based on this structure, during assembly, the positioning air knife 21 is first installed and fixed in the gap between adjacent conveyor rollers 10. Then, the connecting seat 24 is fitted onto one end of the positioning air knife 21, embedding the positioning air knife 21 into the receiving gap between the two connecting plate segments 242. At this time, the mounting plate segment 241 fits against the top of the positioning air knife 21, and the two connecting plate segments 242 respectively abut tightly against both sides of the positioning air knife 21, forming a stable clamping structure that surrounds it on three sides.

[0077] Next, the second connecting part 221 on the connecting plate segment 242 is aligned with the first connecting part 211 on the side of the positioning air knife 21. After the connection is completed, the connecting seat 24 is securely fixed to the positioning air knife 21 by the locking part 222 on the mounting plate segment 241 cooperating with the locking member 23.

[0078] When the glass workpiece 30 is conveyed on the roller conveyor, the positioning seat 25 on the connecting seat 24 plays a positioning role. If it is necessary to adjust the position of the positioning seat 25 according to the size or shape of the glass, the operator can loosen the locking piece 23 and adjust the position of the positioning seat 25 on the positioning air knife 21 by sliding without disassembling the overall structure of the connecting seat 24. After adjustment, tighten the locking piece 23 again to fix the position of the connecting seat 24 and ensure that the positioning seat 25 is stable and reliable during the glass conveying process.

[0079] Among them, the connecting seat 24 has a three-sided encircling design with the mounting plate segment 241 fitting against the top and the connecting plate segment 242 abutting against the sides, forming a stable "U-shaped" support structure, which increases the contact area between the connecting seat 24 and the positioning air knife 21 and improves the stability of the connection.

[0080] Therefore, the connecting seat 24 can withstand the lateral force of the glass workpiece 30 without displacement, effectively ensuring the stability of the positioning seat 25 during the glass conveying process and ensuring positioning accuracy.

[0081] As an optional implementation, the positioning component 20 includes a drive mechanism, and the power output end of the drive mechanism is connected to the positioning air knife 21. The drive mechanism is used to drive the positioning air knife 21 to move closer to or away from the conveying surface, so that the positioning member 22 extends out of or away from the conveying surface.

[0082] Based on this structure, during use, the drive mechanism receives a control signal and drives the positioning air knife 21 to move smoothly along a direction perpendicular to the conveying surface via the power output end, causing the positioning element 22 to extend to a suitable height. When the glass enters the positioning area, the positioning element 22 contacts the edge of the glass, accurately positioning it. After the glass is positioned, the drive mechanism can drive the positioning air knife 21 away from the conveying surface, causing the positioning element 22 to descend to a safe height, avoiding affecting the conveying of subsequent glass pieces, and preparing for the positioning of the next piece of glass.

[0083] The drive mechanism can also adjust the height of the positioning element 22 relative to the conveying surface by driving the positioning air knife 21 to move closer to or further away from the conveying surface, so that the positioning element 22 can be adapted to glass of different thicknesses and ensure that the positioning element 22 maintains the best contact state with the edge of the glass.

[0084] It should be noted that when the roller conveyor assembly changes its arc in the conveying direction, the conveying surface presents an arc-shaped structure. At this time, the softened glass on the conveying surface can adhere to the conveying surface under its own gravity, thereby forming an arc-shaped glass. During this process, the air grid assembly composed of multiple positioning air knives 21 can also change its arc, keeping each positioning air knife 21 located between two conveying rollers 10. The positioning air knife 21 can cool and temper the glass on the conveying surface.

[0085] At this time, the positioning air knife 21 can be driven to move closer to or further away from the conveying surface by the driving mechanism, so that the positioning air knife 21 and the glass on the conveying roller 10 maintain a suitable distance, thereby ensuring that the glass can obtain uniform and stable cooling air force during the tempering process, effectively improving the tempering quality and yield of the glass.

[0086] Furthermore, the drive mechanism can be a cylinder drive mechanism or a motor-screw drive mechanism. Specifically, the cylinder drive mechanism includes a cylinder, a piston, and a piston rod. The end of the piston rod forms the power output end and is rigidly connected to the positioning air knife 21 through a flange, pin, etc., to ensure stable power transmission. When the positioning component 22 needs to extend, the piston rod extends after the cylinder is vented, driving the positioning air knife 21 closer to the conveying surface; conversely, the piston rod retracts after the cylinder is depressurized, and the positioning air knife 21 moves away from the conveying surface.

[0087] The motor-screw drive mechanism includes a motor and a screw-nut pair. The motor output shaft is connected to the screw via a coupling. When the screw rotates, it drives the nut to perform linear motion. The nut serves as the power output end and is fixedly connected to the positioning air knife 21. The motor rotates according to a control signal, converting the rotational motion into linear motion through the screw-nut pair. The nut then drives the positioning air knife 21 to move up and down along the guide device. Using a servo motor allows for precise control of the displacement, enabling stepless adjustment of the extension height of the positioning component 22.

[0088] Example 2

[0089] Unlike Embodiment 1, this embodiment discloses a glass forming device, which includes a variable arc assembly and the glass workpiece positioning device from Embodiment 1. Specifically, the variable arc assembly includes two sets of variable arc mechanisms, which are respectively disposed at both ends of the roller assembly; each variable arc mechanism includes multiple mutually hinged variable arc components. The two ends of the conveyor roller 10 are respectively connected to two corresponding variable arc components on the two sets of variable arc mechanisms, and the two ends of the positioning air knife 21 are respectively connected to two corresponding variable arc components on the two sets of variable arc mechanisms.

[0090] Based on this structure, when using the glass forming equipment of this embodiment, the initial positions of the positioning air knife 21 and the positioning element 22 are adjusted according to the size and thickness of the glass to be processed, ensuring that the positioning element 22 can effectively contact the edge of the glass. Then, the glass workpiece 30 is placed on the conveying roller 10 of the roller conveyor assembly, and the conveying roller 10 starts to rotate, driving the glass to move smoothly along the conveying direction. When the glass approaches the positioning area, the drive mechanism of the glass workpiece positioning device drives the positioning air knife 21 to move, causing the positioning element 22 to extend to a suitable height.

[0091] When the glass enters the positioning area, the positioning element 22 contacts the edge of the glass, precisely positioning it. This ensures the glass remains on the correct conveying path. Throughout the positioning process, the arc-changing assembly remains stationary, providing reliable support for the stable positioning of the glass.

[0092] After the glass is positioned, the positioning air knife 21 can be driven away from the conveying surface by the drive mechanism of the glass workpiece positioning device. Then, the two sets of arc-changing mechanisms begin to work together. The control system sends instructions to the arc-changing mechanisms according to the target curvature of the glass, driving multiple interlocking arc-changing components to rotate synchronously. Since the two ends of the conveying roller 10 are respectively connected to the corresponding arc-changing components on the two sets of arc-changing mechanisms, and the two ends of the positioning air knife 21 are also connected to the arc-changing components, the rotation of the arc-changing components causes the conveying roller 10 and the positioning air knife 21 to change angle synchronously, thereby causing the glass to gradually bend and form under its own gravity and the action of the arc-changing mechanism.

[0093] The curved surface mechanism can precisely control the rotation angle and speed of the curved surface component according to different glass shapes and sizes, achieving diverse curved effects. For example, for glass with a smaller curvature, the curved surface component rotates at a smaller angle and slower speed; for glass with a larger curvature, the curved surface component rotates at a larger angle and faster speed. The curved surface component is a T-shaped plate as in existing technology, with adjacent T-shaped plates hinged together by a hinge shaft.

[0094] It should be noted that insufficient positioning accuracy before glass curvature can easily lead to problems such as glass displacement and deformation during the curvature process. This equipment combines the glass workpiece positioning device with the curvature assembly, and the positioning air knife 21 and conveying roller 10 are directly connected to the curvature component of the curvature mechanism. This ensures accurate glass positioning during the positioning stage and maintains glass stability during the curvature stage, effectively avoiding quality defects caused by inaccurate positioning or unstable connection.

[0095] The two sets of arc-changing mechanisms can be synchronized or asynchronous. Specifically, when the two sets of arc-changing mechanisms are synchronized, that is, when the arc curvature radius and arc speed of the two sets of arc-changing mechanisms are the same, the rotation angles of the corresponding two arc-changing components in the two sets of arc-changing mechanisms are the same. Therefore, both ends of the conveying roller 10 and the positioning air knife 21 are in a horizontal position, and the glass can remain stable during the arc-changing process.

[0096] However, when the two sets of arc-changing mechanisms are not synchronized, that is, when the arc-changing radii of curvature or arc-changing speeds of the two sets of arc-changing mechanisms are different, the rotation angles of the corresponding two arc-changing components in the two sets of arc-changing mechanisms are different. Therefore, both ends of the conveyor roller 10 and the positioning air knife 21 are in an inclined posture. Since there is a risk of the glass slipping to the lower end of the conveyor roller 10 when it is arc-changing on the inclined conveyor roller 10, this embodiment can use the positioning component 22 to position the glass on the roller conveyor before the roller conveyor assembly arcs, and then adjust the positioning components 22 on the multiple positioning air knives 21 to the same end of the positioning air knife 21. See reference Figure 5 In this way, when the glass workpiece 30 curves on the inclined roller, the positioning parts 22 at these ends can abut against the lower end of the glass workpiece 30 to prevent the glass workpiece 30 from slipping.

[0097] Therefore, the positioning component 22 of this utility model can be adjusted in position according to different processing stages. During the transportation stage, the positioning component 22 can be located on both sides of the glass workpiece 30 to constrain the glass workpiece 30 in the correct arc-changing position so that the glass workpiece 30 can be accurately arc-changing. During the arc-changing stage, the positioning component 22 can be located at the end of the positioning air knife 21 to support the glass workpiece 30 and prevent it from slipping.

[0098] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A glass workpiece positioning device, characterized in that: include, A roller conveyor assembly includes a plurality of conveyor rollers spaced apart along a conveying direction, wherein the plurality of conveyor rollers have conveying surfaces; The positioning assembly includes a positioning air knife, a positioning element, and a locking element. The positioning air knife is disposed between two adjacent conveying rollers and has a first connecting portion. The positioning element has a second connecting portion and a locking portion. The second connecting portion is detachably connected to the first connecting portion so that the positioning element extends out of the conveying surface. The locking element is used to lock the second connecting portion to the locking portion after the second connecting portion is connected to the first connecting portion.

2. The glass workpiece positioning device according to claim 1, characterized in that: The positioning element includes a connecting seat and a positioning seat, the positioning seat being rotatably connected to the connecting seat; the second connecting part and the locking part are both disposed on the connecting seat.

3. The glass workpiece positioning device according to claim 2, characterized in that: The first connecting part includes a connecting groove, and the second connecting part includes a connecting arm, which is slidably mounted in the connecting groove.

4. The glass workpiece positioning device according to claim 2, characterized in that: The locking part includes a threaded hole, and the locking element includes a bolt, which passes through the threaded hole and the end of the bolt abuts against the positioning air knife.

5. The glass workpiece positioning device according to claim 2, characterized in that: The positioning seat includes a positioning wheel, which is rotatably connected to the connecting seat via a connecting shaft.

6. The glass workpiece positioning device according to claim 5, characterized in that: The positioning seat is provided with a protective sleeve on its outer periphery.

7. The glass workpiece positioning device according to claim 3, characterized in that: The connecting groove extends through the positioning air knife along the first direction and forms a slot at the end of the positioning air knife. The connecting arm is installed into the connecting groove through the slot.

8. The glass workpiece positioning device according to any one of claims 2-7, characterized in that: The connecting base includes a mounting plate segment and two oppositely arranged connecting plate segments, which are respectively connected to both sides of the mounting plate segment; a receiving gap is formed between the two connecting plate segments, which is used to receive the positioning air knife; the mounting plate segment abuts against the top of the positioning air knife, and the two connecting plate segments abut against the sides of the positioning air knife. Both the positioning seat and the locking part are disposed on the mounting plate segment; the second connecting part is disposed on the connecting plate segment, and the first connecting part is disposed on the side of the positioning air knife.

9. The glass workpiece positioning device according to claim 8, characterized in that: The positioning component includes a drive mechanism, the power output end of which is connected to the positioning air knife. The drive mechanism is used to drive the positioning air knife to move closer to or away from the conveying surface, so that the positioning element extends out of or away from the conveying surface.

10. A glass forming apparatus, characterized in that: The device includes a variable arc assembly and a glass workpiece positioning device as described in any one of claims 1-9. The variable arc assembly includes two sets of variable arc mechanisms, which are respectively disposed at both ends of the roller assembly. Each variable arc mechanism includes a plurality of mutually hinged variable arc elements. The two ends of the conveying roller are respectively connected to two corresponding variable arc elements on the two sets of variable arc mechanisms. The two ends of the positioning air knife are respectively connected to two corresponding variable arc elements on the two sets of variable arc mechanisms.

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