Scratch-resistant glass stacking device

Abstract

The utility model discloses a kind of anti-scratch glass stacking devices, including conveying, gantry translation, hoisting, suction cup assembly and buffer stacking assembly. Buffer stacking assembly contains adjustable footing's square stacking frame, its four corners are connected with support ball joint through fish eye joint, bottom is fixed with the inclined support plate of support ball through aluminum alloy frame, side part is equipped with limiting roller with polyurethane sleeve and proximity switch. Device is accurately transferred glass by gantry translation and hoisting assembly, inclined support plate and support ball reduce friction, limiting roller is constrained to deviate, suction cup assembly pressure sensor monitors adsorption force. The device solves the problem of traditional stacking easy to scratch, unstable positioning, realizes glass lossless, accurate stacking, and is suitable for flat glass and other fragile materials automatic stacking.

Description

Technical Field

[0001] This utility model relates to the technical field of glass production and processing equipment, and in particular to a glass stacking device that prevents scratches. Background Technology

[0002] In the glass manufacturing industry, finished or semi-finished glass products (such as raw sheets and processed substrates) need to undergo processes such as cleaning, inspection, cutting, and edge grinding before being stacked in an orderly manner using stacking equipment for storage, transportation, or entry into the next process. Glass, as a fragile material, has low surface hardness and microcracks. During stacking, collisions, friction, or rigid contact can easily cause scratches, chipping, and other defects, directly affecting product yield and appearance quality. Furthermore, insufficient stacking precision can lead to tilting or collapse of the stack, creating safety hazards.

[0003] In existing technologies, glass stacking devices mostly use rigid support structures combined with mechanical grippers or vacuum suction cups to complete the picking and placing. The main drawbacks are as follows: Rigid contact easily causes scratches: When glass falls onto the stacking rack, it directly contacts the rigid platform or fixed support, resulting in high friction and a lack of cushioning, making the surface easily scratched by the edges or burrs of the support; Insufficient positioning accuracy: The translation and lifting mechanisms of the stacking device lack reliable guidance and clamping constraints, making it prone to glass placement deviations due to vibration or load shifts, leading to uneven stacking or even tipping over; Weak cushioning and adaptability: Stacking racks are mostly fixed structures, making it difficult to adjust the level to adapt to installation errors in different sites, and they cannot absorb the impact energy of falling glass, exacerbating collision damage; Lack of safety monitoring: The gripping force of vacuum suction or grippers lacks real-time monitoring. If air leakage or insufficient clamping force causes glass to fall, it may cause equipment damage or personal injury.

[0004] Therefore, there is an urgent need for a glass stacking device that can achieve precise positioning, flexible buffering, scratch resistance, and safety monitoring functions to meet the needs of high-precision and high-yield glass production. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a glass stacking device that prevents scratches.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: This utility model discloses a scratch-resistant glass stacking device, comprising: a conveying assembly for conveying glass to be stacked; a gantry translation assembly positioned directly above the conveying assembly; a hoisting assembly fixedly connected to the side of the column of the gantry translation assembly; a suction cup assembly fixedly attached to the bottom of the hoisting assembly; and a buffer stacking assembly positioned on the side of the discharge end of the conveying assembly. The buffer stacking assembly includes: a square stacking frame with adjustable feet fixedly connected to its bottom for adjusting the levelness of the stacking frame; four fisheye connectors fixedly attached to the four corners of the square stacking frame; and four support ears, each support ear having its top connected to a corresponding fisheye connector. A ball joint connection enables small-range floating buffering; a square aluminum alloy frame is fixedly connected to the bottom of the support ear by bolts, and an inclined support plate is inclinedly set on its top; the inclined support plate has an array of ball grooves inside, in which support balls are rolled and embedded, and the part of the support ball protruding from the ball groove contacts the lower surface of the glass; several bearing seats are detachably set on adjacent sides of the aluminum alloy frame; a vertical limiting roller is rotatably connected to each set of bearing seats, and its axis is perpendicular to the glass conveying direction to limit the glass falling deviation; a proximity switch is set on the side of the bearing seat away from the glass falling side to detect whether the glass has reached the correct position.

[0007] As a preferred embodiment of this utility model, the gantry translation assembly includes: a gantry frame, which is a rectangular frame structure, with its bottom fixedly connected to the ground via a mounting plate; two parallel guide rails, respectively fixed to the sides of the top beam of the gantry frame and perpendicular to the conveying direction of the conveying assembly; a vertical fixing plate, which is a rectangular steel plate and connected to the drive end of the gantry translation assembly; a horizontal clamping mechanism, including at least two horizontal clamping rollers, which are connected to the sides of the vertical fixing plate via wheel seats and roll in contact with the outer surfaces of the parallel guide rails, thereby limiting the lateral displacement of the vertical fixing plate; and a translation drive mechanism, including a translation drive motor and a horizontal rack, wherein the translation drive motor is fixed to the side of the vertical fixing plate, and its output shaft is driven by the horizontal rack via a gear; the horizontal rack is fixed to the side of the top beam of the gantry frame and drives the vertical fixing plate to move horizontally along the parallel guide rails.

[0008] As a preferred embodiment of this utility model, the hoisting assembly includes: a vertical guide rail, fixed to the bottom side of the vertical fixing plate and perpendicular to the parallel guide rail; a lifting motor, fixed to the side of the vertical fixing plate, with its output shaft meshing with a vertical rack disposed inside the vertical guide rail via a coupling; four vertical clamping rollers, symmetrically arranged in pairs on both sides of the vertical guide rail, rolling in contact with the outer side of the vertical guide rail to restrict the lateral swing of the connecting plate; and a connecting plate, the top of which is threaded to the bottom of the vertical guide rail via a screw nut, and the bottom of which is fixedly connected to the suction cup assembly, and is driven by the lifting motor to vertically lift along the vertical guide rail.

[0009] As a preferred embodiment of this utility model, the suction cup assembly includes: a suction cup bracket made of aluminum alloy, fixed to the bottom of the connecting plate, the length direction of which is consistent with the conveying direction of the conveying assembly; several vacuum suction cups evenly distributed along the length direction of the suction cup bracket, each vacuum suction cup being connected to a vacuum generator via an air tube, and having a nitrile rubber pad adhered to its bottom to increase friction with the glass and prevent scratches; and a pressure sensor disposed between each vacuum suction cup and the suction cup bracket, used to monitor the adsorption force in real time, triggering an alarm when the adsorption force is lower than a threshold.

[0010] As a preferred embodiment of this utility model, the bottom of the inclined support plate is fixed to the top of the square aluminum alloy frame by a threaded connection, and the inclination angle of the inclined support plate is 3°~5°.

[0011] As a preferred embodiment of this utility model, a polyurethane elastic sleeve is fitted onto the outer circumferential surface of the vertical limiting roller.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. The buffer stacking assembly is connected to the support lugs by fisheye joints at the four corners of the square stacking frame, forming a small-range floating structure that can absorb the impact kinetic energy when the glass falls. The inclined support plate is embedded with a support ball, and the lower surface of the glass makes rolling contact with the support ball, which greatly reduces frictional resistance. At the same time, the flexible design of the support ball and the inclined plate avoids rigid collisions, and the nitrile rubber pad further enhances the adsorption friction and prevents the vacuum suction cup from directly scratching the glass surface. Multiple protections significantly reduce the risk of scratches. 2. The gantry translation component restricts the lateral displacement of the vertical fixed plate through parallel guide rails and horizontal clamping rollers. Combined with the precise transmission of the translation drive motor and horizontal rack, it achieves precise horizontal positioning of the hoisting component. The hoisting component is equipped with vertical guide rails and vertical clamping rollers to constrain the swing of the connecting plate. Combined with the gear-rack drive of the lifting motor, it ensures that the suction cup component is lifted and lowered vertically without deviation, the glass placement position is precise and controllable, and the stacking is highly neat. 3. The square stacking rack is equipped with adjustable feet at the bottom, which can be flexibly adjusted according to the levelness of the site to ensure the overall stability of the stacking rack; each vacuum suction cup in the suction cup assembly is equipped with a pressure sensor between the suction cup and the bracket to monitor the suction force in real time. When the suction force is lower than the threshold, an alarm is triggered to avoid glass falling off due to suction failure and improve the safety of equipment operation. 4. The vertical limiting rollers on the bearing housing are fitted with polyurethane elastic sleeves, which not only limit the lateral deviation of the glass when it falls, but also buffer the contact impact through the elastic material; the 3°~5° tilt angle of the inclined support plate guides the glass to slide smoothly between the limiting rollers, further constraining the stacking posture and preventing the stack from tilting or scattering. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is the front view of this utility model; Figure 3 This is a side view of the present invention; Figure 4 This is a top view of the present invention; In the diagram: 1. Conveying assembly; 2. Gantry translation assembly; 3. Lifting assembly; 4. Suction cup assembly; 5. Buffer stacking assembly; 21. Gantry frame; 22. Parallel guide rail; 23. Horizontal clamping roller; 24. Vertical fixing plate; 25. Translation drive motor; 26. Horizontal rack; 31. Lifting motor; 32. Vertical clamping roller; 33. Vertical guide rail; 34. Connecting plate; 41. Suction cup bracket; 42. Vacuum suction cup; 43. Pressure sensor; 51. Square stacking frame; 52. Fisheye connector; 53. Support ear; 54. Aluminum alloy frame; 55. Inclined support plate; 56. Support ball; 57. Bearing seat; 58. Vertical limit roller; 59. Proximity switch; 211. Mounting plate; 421. Vacuum generator; 422. Nitrile rubber pad; 511. Adjustable foot; 581. Polyurethane elastic sleeve. Detailed Implementation

[0014] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0015] In the attached diagram, all identical reference numerals refer to the same components.

[0016] Example 1 (Conventional flat glass stacking) like Figure 1-4 As shown, this utility model provides a glass stacking device to prevent scratches. This embodiment is suitable for stacking flat glass with a thickness of 3~6mm.

[0017] Conveying assembly 1 uses a belt conveyor to horizontally transport the glass to be stacked to a designated position. In gantry translation assembly 2, the gantry frame 21 is a frame structure welded from rectangular steel pipes, and its bottom is fixed to the ground with bolts via mounting plate 211; the parallel guide rail 22 is a linear rolling guide rail, symmetrically arranged along the length of the top crossbeam of the gantry frame 21, and perpendicular to the conveying direction of conveying assembly 1; the vertical fixing plate 24 is a thick steel plate, and its side is equipped with horizontal clamping rollers 23 via wheel seats. The rollers roll in contact with the outer side of the parallel guide rail 22, limiting the lateral displacement of the vertical fixing plate 24; the translation drive motor 25 is fixed to the side of the vertical fixing plate 24, and its output shaft meshes with a horizontal rack 26 via a gear. The horizontal rack 26 is pre-tightly fixed to the side of the top crossbeam of the gantry frame 21, driving the vertical fixing plate 24 to move horizontally back and forth along the parallel guide rail 22.

[0018] In the hoisting assembly 3, the vertical guide rail 33 is a linear guide rail, which is vertically fixed to the bottom side of the vertical fixing plate 24; the lifting motor 31 is fixed to the other side of the vertical fixing plate 24, and the output shaft is connected to the vertical rack through a coupling. The rack is fixed to the top of the connecting plate 34, driving the connecting plate 34 to rise and fall along the vertical guide rail 33; four vertical clamping rollers 32 are symmetrically installed on both sides of the vertical guide rail 33, and the rollers contact the outer side of the guide rail to suppress the lateral swing of the connecting plate 34.

[0019] Please see Figure 3 In the suction cup assembly 4, the suction cup bracket 41 is a rectangular frame made of aluminum alloy profiles, with its length direction consistent with the conveying direction of the conveying assembly 1, and its bottom is fixed to the connecting plate 34 by bolts; several vacuum suction cups 42 are evenly distributed along the length direction of the suction cup bracket 41, and each suction cup is connected to the vacuum generator 421 through an air tube, with a nitrile rubber pad 422 glued to the bottom to increase the friction with the glass and avoid rigid contact scratches; the pressure sensor 43 is embedded between the suction cup and the suction cup bracket 41 to monitor the adsorption force in real time, and triggers an alarm when it is lower than the threshold.

[0020] Please see Figure 2 , Figure 4The buffer stacking assembly 5 is located on the side of the discharge end of the conveying assembly 1. The square stacking frame 51 is a steel frame, with adjustable feet 511 at the four bottom corners to contact the ground and adjust the overall level. Four fisheye joints 52 are fixed to the bottom of the four corners of the square stacking frame 51, and the ball ends are connected to the top of the support ears 53 by ball hinges, allowing the stacking frame to float slightly. The bottom of the support ears 53 is fixed to the top of the square aluminum alloy frame 54 by bolts. The top of the frame is inclined to weld an inclined support plate 55 at an angle of 3°. An array of ball grooves is opened in the plate to embed support balls 56. The exposed part of the ball contacts the lower surface of the glass to reduce friction. The adjacent two sides of the square aluminum alloy frame 54 are detachably installed with bearing seats 57 by bolts. Each set of bearing seats 57 is rotatably connected to a vertical limiting roller 58. The outer circumference of the roller is covered with a polyurethane elastic sleeve 581, and the axis is perpendicular to the glass conveying direction to limit the glass falling deviation. The proximity switch 59 is installed on the bearing seat 57 away from the glass falling side to detect whether the glass is in place.

[0021] Example 2 (Stacking of Ultra-thin Electronic Glass) This embodiment is applicable to ultra-thin electronic glass with a thickness of 0.5~1.2mm. The main adjustment is to the parameters of the buffer stacking assembly 5. The tilt angle of the inclined support plate 55 is increased to 5° to reduce the impact when the glass slips; the support ball 56 is made of ceramic material with a polished surface to reduce the coefficient of friction; the polyurethane elastic sleeve 581 of the vertical limiting roller 58 is thickened to enhance the buffering effect and prevent the ultra-thin glass from breaking due to collision. The structure of the remaining components is the same as in Embodiment 1.

[0022] Example 3 (Large-size glass stacking) This embodiment is suitable for large-size glass (2m x 3m). The specifications of the gantry translation component 2 and the hoisting component 3 are adjusted. The length of the parallel guide rail 22 is increased to match the transport range of the large-size glass; the power of the lifting motor 31 is increased to drive the connecting plate 34 to lift heavier glass; the number and distribution density of vacuum suction cups 42 in the suction cup component 4 are increased to ensure the adsorption stability of large-size glass; the size of the square stacking frame 51 in the buffer stacking component 5 is increased accordingly, and the number of support balls 56 is increased to maintain uniform support. The structure of the remaining components is the same as in Embodiment 1.

[0023] In the above embodiments, the components work together through modular design to achieve scratch protection and high-precision operation of glass from conveying and transferring to stacking, adapting to the production needs of glass of different specifications.

[0024] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A scratch-resistant glass stacking device, characterized in that, include: A conveying assembly (1) is used to convey glass to be stacked; a gantry translation assembly (2) is located directly above the conveying assembly (1); The hoisting assembly (3) is fixedly connected to the side of the column of the gantry translation assembly (2); the suction cup assembly (4) is fixed to the bottom of the hoisting assembly (3); the buffer stacking assembly (5) is set on the side of the discharge end of the conveying assembly (1); the buffer stacking assembly (5) includes: a square stacking frame (51) with adjustable feet (511) fixedly connected to the bottom for adjusting the level of the stacking frame; four fisheye joints (52) fixed to the bottom of the four corners of the square stacking frame (51); four support ears (53), the top of each support ear (53) is ball-jointed to the corresponding fisheye joint (52) to realize small-range floating buffer; and a square aluminum alloy frame (54). The support ear (53) is fixedly connected to the bottom by bolts, and an inclined support plate (55) is inclinedly provided on its top. The inclined support plate (55) has an array of ball grooves inside, and a support ball (56) is rolled and embedded in the ball groove. The part of the support ball (56) protruding from the ball groove contacts the lower surface of the glass. Several bearing seats (57) are detachably provided on the adjacent sides of the aluminum alloy frame (54). A vertical limiting roller (58) is rotatably connected to each set of bearing seats (57), and its axis is perpendicular to the glass conveying direction to limit the glass falling deviation. A proximity switch (59) is provided on the side of the bearing seat (57) away from the glass falling side to detect whether the glass is in place.

2. The scratch-resistant glass stacking device according to claim 1, characterized in that, The gantry translation assembly (2) includes: a gantry frame (21), which is a rectangular frame structure, and its bottom is fixedly connected to the ground through a mounting plate (211); two parallel guide rails (22), which are respectively fixed to the side of the top crossbeam of the gantry frame (21) and perpendicular to the conveying direction of the conveying assembly (1); a vertical fixing plate (24), which is a rectangular steel plate and is connected to the driving end of the gantry translation assembly (2); and a horizontal clamping mechanism, including at least two horizontal clamping rollers (23), which are connected to the vertical fixing plate (211) through wheel seats. 4) The side is connected and rolls in contact with the outer side of the parallel guide rail (22) to limit the lateral displacement of the vertical fixed plate (24); the translation drive mechanism includes a translation drive motor (25) and a horizontal rack (26). The translation drive motor (25) is fixed to the side of the vertical fixed plate (24), and its output shaft is driven by the horizontal rack (26) through gear meshing; the horizontal rack (26) is fixed to the side of the top beam of the gantry frame (21) and drives the vertical fixed plate (24) to move horizontally along the parallel guide rail (22).

3. The scratch-resistant glass stacking device according to claim 2, characterized in that, The hoisting assembly (3) includes: a vertical guide rail (33), fixed to the bottom side of the vertical fixing plate (24), perpendicular to the parallel guide rail (22); a lifting motor (31), fixed to the side of the vertical fixing plate (24), the output shaft of which is meshed with a vertical rack inside the vertical guide rail (33) via a coupling; four vertical clamping rollers (32), symmetrically arranged in pairs on both sides of the vertical guide rail (33), rolling in contact with the outer side of the vertical guide rail (33), restricting the lateral swing of the connecting plate (34); and a connecting plate (34), the top of which is threaded to the bottom of the vertical guide rail (33) via a screw nut, the bottom of which is fixedly connected to the suction cup assembly (4), and driven by the lifting motor (31) to vertically lift along the vertical guide rail (33).

4. The scratch-resistant glass stacking device according to claim 3, characterized in that, The suction cup assembly (4) includes: a suction cup bracket (41) made of aluminum alloy, fixed to the bottom of the connecting plate (34), the length direction of which is consistent with the conveying direction of the conveying assembly (1); several vacuum suction cups (42) evenly distributed along the length direction of the suction cup bracket (41), each vacuum suction cup (42) being connected to the vacuum generator (421) through an air pipe, and having a nitrile rubber pad (422) glued to the bottom to increase friction with the glass and prevent scratches; and a pressure sensor (43) set between each vacuum suction cup (42) and the suction cup bracket (41) for real-time monitoring of the adsorption force, triggering an alarm when the adsorption force is lower than the threshold.

5. The scratch-resistant glass stacking device according to claim 1, characterized in that, The bottom of the inclined support plate (55) is fixed to the top of the square aluminum alloy frame (54) by a threaded connection, and the inclination angle of the inclined support plate (55) is 3°~5°.

6. The scratch-resistant glass stacking device according to claim 1, characterized in that, The vertical limiting roller (58) has a polyurethane elastic sleeve (581) fitted on the outer circumferential surface of the roller body.

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