284 results about "Cutting glass" patented technology

The invention relates to the technical field of glass processing, in particular to a glass strip making and granule breaking line which comprises a feeding mechanism, a cutting mechanism, an overturning mechanism, a strip making device and a granule breaking device. The feeding mechanism, the cutting mechanism, the overturning mechanism, the strip making device and the particle breaking device are sequentially arranged to form an integrated assembly line, the integrated assembly line design achieves full-process automatic operation of conveying, cutting, overturning, strip making and particle breaking of glass sheets, and the problem that traditional step-by-step machining is low in efficiency is solved; the cutting mechanism, the turnover mechanism and the conveying mechanical arm are matched to conduct pre-cutting on the upper surface and the lower surface of the glass sheet, the conveying mechanical arm conveys the double-face pre-cut glass sheet to the strip making device, and the strip making device and the particle breaking device are matched to conduct strip making and particle breaking machining on the double-face pre-cut glass sheet. And the strip-making and particle-breaking operation of the glass sheet is efficiently completed, and the product yield is ensured.

The invention provides a cutting-up method of a substrate structure, relates to the technical field of semiconductor manufacturing, and aims to solve the problem that the cutting-up method in the prior art can cause cracks to extend towards the interior of a glass core plate, so that the quality of a cut glass substrate is influenced. The cutting-up method of the substrate structure comprises the following steps: obtaining the substrate structure which comprises a glass core plate, a dielectric layer and a removed stop layer and is positioned between the dielectric layer and the glass core plate; presetting a first cutting-up channel, wherein the projection of the first cutting-up channel is located in the removal stop layer; removing the dielectric layer in the first cutting channel to expose the glass core plate or removing the stop layer; corroding to remove the exposed removal stop layer so as to expose the glass core plate and obtain a processed substrate structure; presetting a second cutting-up channel in the first cutting-up channel, wherein the second cutting-up channel and the dielectric layer closest to the second cutting-up channel are distributed at intervals or abut against each other; the width of the second cutting-up channel is smaller than that of the first cutting-up channel; and cutting up the processed substrate structure along the second cutting-up channel to obtain a substrate sub-structure.

The invention discloses guiding and positioning equipment based on glass plate laser cutting, and relates to the technical field of glass plate cutting. The laser cutting device comprises a laser cutting mechanism. Through cooperative use of the leveling mechanism and the material placing mechanism, convenience is provided for height adjustment of the first horizontal ruler and the second horizontal ruler, and convenience is provided for rotation adjustment of the first horizontal ruler and the second horizontal ruler, so that a user can be helped to conveniently judge whether a corresponding to-be-cut glass plate is in a horizontal state or not; in addition, the heights of the four corners of the material placing transverse frame can be conveniently and finely adjusted, so that the to-be-cut glass plate can be conveniently adjusted to be in a horizontal state, the to-be-cut glass plate can be always in the horizontal state for laser cutting treatment, and the laser cutting effect of the glass plate is guaranteed; and the phenomenon that the laser cutting effect is affected by uneven placement of the to-be-cut glass plate due to uneven height of the to-be-cut glass plate supporting table board after long-term use is avoided.

The utility model belongs to the technical field of edge grinding devices, and particularly relates to a glass gantry double-beam water jet cutter edge grinding device which comprises a gantry platform, glass to be cut is placed above the gantry platform, longitudinal sliding rails are arranged on the left side and the right side of the gantry platform respectively, and sliding seats are connected to the upper ends of the longitudinal sliding rails in a sliding mode. An edge grinding cross beam and a CNC edge grinding tool bit are arranged above the sliding seat, and a water cutting cross beam and a five-axis water cutting tool bit are arranged on the middle section of a beam body of the edge grinding cross beam and the middle section of a beam body of the CNC edge grinding tool bit. The edge grinding and cutting combined type structure is adopted for equipment, the water cutting cross beam and the five-axis water cutting tool bit are adopted in a cutting area, a hydraulic rod is matched with a connecting rod clamping mechanism for fixing glass, and the situation that displacement is generated in the cutting process, and cutting precision is affected is effectively prevented. An edge grinding cross beam and a CNC edge grinding tool bit are adopted in a grinding area, the grinding requirement is met, an edge grinding numerical control system and a second electric appliance cabinet are arranged, and the system is used during operation.

A glass container is characterized by a longitudinal axis (Ltube) that passes through a center of a glass bottom of the glass container. For any cut surface of the glass container that is obtainable by cutting the glass container in a plane that includes the longitudinal axis Ltube, a minimum thickness (smin) and a maximum thickness (smax) of the glass bottom determined at any position having a distance d1 / 4 or less to the longitudinal axis Ltube and a thickness (sd1 / 4) is the thickness of the glass bottom determined at a position having the distance d1 / 4 to the longitudinal axis Ltube, the distance to the longitudinal axis Ltube in each case being determined in a direction that is perpendicular to the longitudinal axis Ltube and thicknesses smin, smax and sd1 / 4 being determined in a direction that is parallel to longitudinal axis Ltube, with smax / smin being less than 1.8.

The invention relates to the technical field of float glass production, and discloses a high-aluminum float glass dealkalization uniformity monitoring method which comprises the following steps: S1, cutting glass subjected to dealkalization treatment, placing the cut glass in a container, soaking the cut glass in a weak acid solution, cleaning the soaked glass, detecting the state of roller marks on the surface of the glass, and increasing the usage amount of SO2 in a tin bath when the occurrence proportion of the roller marks on the glass exceeds 10%; s2, soaking the glass in a reinforcing acid solution, cleaning and detecting the dimness state of the glass, and reducing the usage amount of SO2 in a tin bath when the dimness proportion exceeds 10% or above; through the operation, the dealkalization amount of the glass is controlled. According to the method, the roller marks, the obscuration condition and the proportion are generated after glass soaking treatment, dealkalization on the surface of the glass is monitored, the dealkalization uniformity can be effectively controlled, and the method is simple in technological process, does not need to add expensive equipment and is easy to apply and popularize.

The invention provides glass cutting equipment. The glass cutting equipment comprises a cutting table, a cutting mechanism and a knocking mechanism, after the cutting mechanism is driven to slide to cut the glass plate, the cutting mechanism continuously slides to drive the sliding base to slide away from the other end of the fixing frame, the sliding base slides away from the other end of the fixing frame and drives the stand column to move downwards through the transmission assembly, and the stand column moves downwards to drive the knocking rod to move downwards to knock the front end of the glass plate. After the glass plate is cut, the front end of the glass plate can be automatically knocked, so that the glass plate at the front end is separated and falls into a blanking groove, the labor intensity of workers is reduced, and the glass cutting efficiency is improved; and then the front end of the glass plate is moved to the position above the blanking groove, the glass plate can be cut again by repeating the steps, and continuous cutting of the glass plate is facilitated.

The utility model discloses a dust cleaning device for glass cutting, which comprises a machine frame, the machine frame is arranged on a moving end of a glass processing bed, a cutting knife for cutting glass is fixedly arranged at the bottom of the machine frame, a collecting frame for collecting dust is arranged on one side of the machine frame, and the dust is cleaned through the movement of the collecting frame. Dust enters the collecting frame through the inclined face, a dust collector is connected with a dust pipe to suck away the dust in the collecting frame, a rotating roller is driven to rotate through extrusion friction between a friction wheel and glass, the rotating roller adsorbs the dust, and the dust is collected through the rotating roller along with rotation of the rotating roller. When glass cutting is carried out, dust adsorbed on the rotating stick is thrown into the collecting frame under the action of centrifugal force, meanwhile, the beating column on the fixing plate makes contact with the rotating stick all the time and beats the dust on the rotating stick, the dust on the rotating stick can be knocked down, the dust can be collected along with movement of the collecting frame, and the dust generated by glass cutting can be effectively cleaned.

The utility model relates to a glass cutting device. The glass cutting device comprises a cutting machine body, a cutting assembly, a carrying assembly and an initial positioning assembly. The cutting machine body is provided with a cutting platform. The cutting assembly is arranged on the cutting machine body and comprises a cutting structure and a moving structure, and the cutting structure is arranged on the moving structure and faces the cutting platform. The carrying assembly is arranged on one side of the cutting machine body. The initial positioning assembly is located between the cutting machine body and the carrying assembly and comprises an initial positioning structure, and the initial positioning structure is matched with the carrying assembly. According to the technical scheme, the problem that in the prior art, when glass is cut, the cutting position is prone to deviation is effectively solved.

The application discloses a glass cutting device for mirror processing and relates to the field of glass processing.The glass cutting device comprises a cutting table and a cutting unit arranged on the cutting table, the cutting unit is used for cutting glass, the cutting table comprises a feeding end and a discharging end, a bracket is arranged on the side of the discharging end, a lower supporting plate is arranged on the bracket, four supporting connecting rods are symmetrically and rotationally connected to the two sides of the lower supporting plate in a rectangular shape, the bottom end of the supporting connecting rod is rotationally connected to the inner wall of the bracket away from the side of the lower supporting plate, and the bottom end of the supporting connecting rod is obliquely arranged towards the side close to the cutting table.The glass cutting device for mirror processing can clamp the cut glass through the cooperation between the lower bracket and the auxiliary plate, and the lower bracket can be slightly rotated when the lower bracket moves downwards under the driving of the auxiliary cylinder, so that the cut glass can be moved downwards, and the cut glass can be stably separated from the glass body.

Disclosed in the present invention are a glass sheet production method and system. The method comprises: first performing defect detection on a glass ribbon to obtain position information of each defect; then scribing a cutting contour on the glass ribbon to obtain a preliminarily cut glass sheet to be separated; further performing simulated layout on the preliminarily cut glass sheet to be separated, so as to obtain a virtual frame corresponding to a deeply cut glass sheet; once the preliminarily cut glass sheet has been separated, marking a corresponding position in a defective virtual frame on the basis of the position information of the defect; and finally cutting the separated preliminarily cut glass sheet to obtain the deeply cut glass sheet and scrapping the marked deeply cut glass sheet. During subsequent deep processing, the preliminarily cut glass sheet is cut to obtain the deeply cut glass sheet. It is only necessary to scrap a defective deeply cut glass sheet having a laser-engraved mark, rather than scrapping the entire preliminarily cut glass sheet. Therefore, the present production method can reduce the loss rate caused by glass defects and improve glass utilization rate and final production yield pass rate.

The present invention provides a high-efficiency waterproof photovoltaic module lamination method and a butyl rubber lamination frame thereof. The lamination method comprises: S1, feeding front glass into an assembly line; laying precisely cut glass on the glass; connecting battery strings; S2, laying the battery strings on the front adhesive film, laying the precisely cut back adhesive film on the battery strings; finely cutting the back adhesive film; S3, applying adhesive around the front glass; covering the laminated front glass with perforated back glass; S4, injecting adhesive into the back glass holes to complete the sealing of the lead wires; S5, sealing the edges of the laminated photovoltaic module; heating and laminating the photovoltaic module; S6, applying pressure to the heated and laminating photovoltaic module and rapidly cooling it; S7, performing non-destructive testing on the photovoltaic module. The present invention optimizes the lamination tooling structure to address locations prone to glue threading and the causes of glue debonding and delamination, thereby increasing the consistency of the actual effective distance and water-blocking distance at each location after butyl rubber lamination.

The utility model discloses a screw-free and welding-free metal cutting glasses hinge, which relates to the technical field of glasses, and comprises a hinge body, the hinge body is used for connecting glasses legs to the side part of a glasses frame, the side part of the glasses frame is provided with a support lug, and the end part of the support lug is bent inwards to form a U-shaped groove; the end parts of the glasses legs are bent towards the inner side to form two arc grooves; one end of the hinge body is inserted and fixed in the U-shaped groove, the other end of the hinge body is provided with a rotating shaft, and the arc groove is nested in the rotating shaft; an elastic piece is formed between the two arc grooves in a cutting mode and located on the side portion of the hinge body. According to the utility model, the welding procedure in production is reduced, the manufacturing is simple, the risk of unsoldering in use can be reduced, the glasses legs are easy to mount without screws, the rotating shafts are not easy to loosen after long-time use, the glasses legs are not easy to loosen after being opened and closed, the damping feeling of opening and closing of the glasses legs can be kept, and the failure rate is lower; and different frames do not need to be opened again, so that the cost can be effectively reduced.

The utility model provides a tempered glass cutting machine for a refrigerator interlayer, and relates to the technical field of tempered glass production, the tempered glass cutting machine comprises a cutting table body, a scrap collecting mechanism is arranged below the cutting table body, and the scrap collecting mechanism comprises a collecting cover, a collecting pipe, a filter plate and an air blower; the cutting table comprises a cutting table body, a waste chip collecting mechanism is arranged on the cutting table body, waste chips generated during cutting are collected through the waste chip collecting mechanism, a cutting protection mechanism is arranged above the cutting table body, the cutting protection mechanism comprises a protection cover, a lead screw, a threaded block, a first servo electric cylinder, a servo motor, a positioning block and a limiting rod, and splashing chips during cutting are blocked through the cutting protection mechanism; the glass cutting device has the advantages that the glass cutting device is simple in structure and convenient to use, operators are prevented from being hurt, waste chips are collected in a unified mode through the waste chip collecting mechanism, follow-up unified treatment is facilitated, the cutting distance is adjusted and set through the adjusting mechanism, and the effects that continuous cutting and cut glass taking are facilitated, and the glass cutting efficiency is greatly improved are achieved.

The utility model relates to the technical field of glass panel processing, in particular to a precise positioning device of a glass panel cutting machine, which comprises a glass cutting machine body with a hydraulic cylinder, a placing clamping groove is arranged at the bottom of the inner wall of the glass cutting machine body, and a magnetic clamping seat is clamped on the inner wall of the placing clamping groove. Adjusting supporting legs are fixedly installed on the tops of the magnetic attraction clamping bases, and an electric conveying table is connected to the upper portions of the adjusting supporting legs. The glass cutting machine is arranged for protecting, covering, cutting and cutting a glass panel, and the stability of the glass panel is enhanced through multi-direction accurate positioning constraint; and the cut glass panel is adjusted and put down through driving control to be conveyed, and chippings are washed away in a water-saving manner in a circulating recovery and water spraying manner, so that the multi-direction accurate positioning constraint and subsequent chipping removal treatment effect of the glass panel in the cutting process are enhanced.

This application relates to the fields of laser processing and acoustic emission monitoring, and discloses a system for identifying acoustic emission characteristics of laser-induced thermal cracking of glass, which includes an acoustic emission sensor for capturing acoustic emission signals generated during the laser cutting process; a signal processing unit configured to preprocess the acoustic emission signals and generate STFT time-frequency diagrams and Mel time-frequency diagrams; a data fusion module configured to combine the high-frequency part of the STFT time-frequency diagram and the low-frequency part of the Mel time-frequency diagram to generate a comprehensive time-frequency diagram; and a neural network processing unit containing a ViT-LSM model for analyzing the comprehensive time-frequency diagram and classifying the crack propagation state. The present invention combines the advantages of STFT and Mel time-frequency diagrams and cooperates with a deep learning model to improve the monitoring and classification accuracy of the crack propagation state during the laser-induced thermal cracking of glass.

The utility model discloses a fixing device for glass processing, which comprises an operating platform, the upper end of the operating platform is fixedly connected with a fixing plate, the front end of the operating platform is fixedly connected with a convex block, the upper end of the convex block is slidably connected with a supporting plate, the front end of the fixing plate is movably connected with a first rack, and the front end of the first rack is movably connected with a second rack. A connecting rod is fixedly connected between the supporting plate and the first rack jointly, a connecting block is slidably connected to the outer side of the connecting rod, a laser cutting head and a grinding piece are installed at the lower end of the connecting block, a gear is meshed with the lower end of the first rack, and a second rack is meshed with the lower end of the gear. And the front end of the second rack is fixedly connected with a push block. The fixing device for glass processing disclosed by the utility model can be used for fixing glass with different sizes and carrying out edging treatment on the cross section of the cut glass, so that the cut glass is smooth and round, and the skin of an operator is prevented from being scratched and the operator is prevented from being injured.

The utility model discloses a glass section polishing device for glass production, which comprises a rack, a top groove is arranged at the top end of the rack, a first movable frame and a second movable frame which are symmetrically distributed are arranged in the top groove, and a driving assembly used for driving the first movable frame and the second movable frame to move relatively is arranged on the rack. The first movable frame and the second movable frame are each provided with a detachable pressing mechanism, and the top end of the rack is further provided with a grinding roller used for grinding the cut surface of the glass. According to the glass polishing device, glass is placed in the first movable frame and the second movable frame and fixed through the pressing mechanism, after the glass is cut, the first movable frame and the second movable frame are driven by the driving assembly to be away from each other by a certain distance, and then the glass is polished by adjusting the position of the polishing roller; the grinding roller can move to the glass cutting seam, then the glass cutting surface is ground through the rotating grinding roller, and the mode is easy to operate.

The utility model discloses a glass cutting automation platform which comprises a platform, glass to be cut and an annular shell, the annular shell is arranged above the platform, a driving ring is movably installed in the annular shell, a plurality of fixing plates are evenly installed on the top face of the driving ring in an annular structure mode, one end of each fixing plate protrudes to form a thickening part, and the other end of each fixing plate protrudes to form a cutting part. Glass cutting knives are mounted on the thickening parts, and an extrusion ring is mounted on the bottom surface of the driving ring. The glass cutting device is simple in structure, a plurality of glass cutting knives can be driven by the driving mechanism to perform multiple cutting operations so as to ensure the cutting quality, the driving ring and the extrusion ring can be driven by the descending annular shell to press down glass, and the contact area with the glass is increased through the extrusion ring so as to ensure uniform stress when the glass cutting device is in contact with the glass; the glass separation quality is improved, and the damage probability is reduced.

The utility model relates to a cutting device for tempered glass production and processing, in particular to the technical field of glass plate processing. Comprising a rack, a placing plate, a mounting plate, a first electric push rod, a first driving motor, a cutting drill bit, a fixing mechanism, a discharging roller and a pushing assembly. The problem that a glass plate is not fixed in an existing glass plate cutting device, so that the glass plate deviates in the cutting process is solved. And the cut glass plates are discharged in a manual mode, and certain potential safety hazards exist.

Proposed are a glass panel and a method for forming a glass panel having a curved corner portion. More particularly, proposed are a method for forming a glass panel having a corner portion with a rounded shape or a D-cut shape and the glass panel formed by the method. The corner portion with the rounded shape or the D-cut shape is formed by thermally chamfering an outer surface portion and the corner portion of the glass panel by using a processing member such as a heating rod after the glass panel is tempered before or after cutting the glass panel from a mother glass.

The invention relates to the technical field of cutting equipment, and particularly discloses high-efficiency low-waste-consumption linear cutting equipment and a linear cutting process, and the high-efficiency low-waste-consumption linear cutting equipment comprises a pay-off mechanism, a threading mechanism, a take-up mechanism and a movable carrying table; the diamond wire is paid off to the threading mechanism through the pay-off mechanism to form a cutting wire segment, then the cutting wire segment is taken up through the take-up mechanism, a glass piece to be cut is placed on the movable carrying table, and the movable carrying table moves to the cutting wire end of the diamond wire and moves along a cutting track. The cutting line segment of the diamond wire is cut from one side of the glass piece in the thickness direction of the glass piece to enter the middle of the glass piece, then cuts the glass piece in the length direction of the glass piece and in the middle of the glass piece, and then cuts the glass piece in the thickness direction of the glass piece to move out to the other side of the glass piece; the glass piece is cut into two same glass units; according to the high-efficiency low-waste-consumption wire cutting equipment, the glass cutting efficiency and the material utilization rate are remarkably improved.

The utility model discloses a glass cutting machine facilitating feeding and discharging, and relates to the technical field of glass cutting. Comprising a bottom plate, and the upper surface of the bottom plate is sequentially provided with a positioning and bearing assembly used for bearing and positioning pre-cut glass at a time, a multi-axis robot used for carrying the pre-cut glass to a designated position and a glass cutting machine used for cutting the glass from left to right, the positioning bearing assembly and the glass cutting machine are located within the working range of the multi-axis robot. The glass cutting machine is provided with the designated position, and a glass adsorption structure is arranged at the designated position. And through the cooperative design of the bottom plate, the positioning bearing assembly, the multi-axis robot and the glass cutting machine, an operator can conveniently feed and discharge glass during cutting.

The utility model relates to a coating spraying device for laser glass cutting. The coating spraying device comprises a processing table, the mounting frame is fixedly mounted at the top of the processing table; a motor is started to drive a rod body to rotate, the rod body drives columns to rotate, the columns rotate to drive a conveying belt to rotate, the laser-cut glass on the conveying belt is conveyed, firstly, a fan is started, air is sucked into a frame body, the air firstly passes through a filter plate to intercept dust, and then the air passes through the filter plate to intercept dust; clean gas enters the gas conveying piece through the gas pipe and is finally sprayed out from the bottom of the gas spraying plate, the gas spraying plate is of an inclined face type, the cleaning effect on dust on the glass is better, meanwhile, the air cylinder can be started to stretch the hose part, the gas spraying plate moves downwards to be better attached to the glass, and the dust removal effect is improved; and the glass enters the spraying plate and is sprayed out of the atomizing spray head to perform coating spraying on the surface of the glass.

The utility model provides an auxiliary positioning mechanism for cutting a glass fiber plate, belongs to the technical field of glass fiber plate processing equipment, and aims to solve the problem that the cutting quality of the glass fiber plate is affected due to high-frequency vibration easily caused by vibration of a cutter and impact of cutting force during cutting in the prior art. Comprising a positioning supporting table, a first positioning module, a second positioning module, a cutting clamping table, a clamping driving cylinder, a cutting clamping mechanism and a dynamic clamping mechanism. The first positioning module is fixedly connected to the upper end of the positioning supporting table. The second positioning module is fixedly connected above the sliding table of the first positioning module; the cutting clamping table is fixedly connected to the upper end of the sliding table of the second positioning module; the clamping driving cylinder is arranged at the front end of the upper portion of the cutting clamping table. The cutting and clamping mechanism is arranged above the cutting and clamping table; the dynamic clamping mechanism is arranged at the front end of the upper portion of the cutting clamping table, local rigid support is provided nearby a cutting point all the time, vibration is restrained, and the cutting precision is improved.

The invention discloses a heat insulation glass preparation device and method. The heat insulation glass preparation device comprises a machining platform, wherein a transverse moving mechanism is arranged at the top end of the machining platform, and an L-shaped side table is fixedly arranged on one side of the machining platform; the device comprises an L-shaped side table, a switching reciprocating structure is arranged on one side of the L-shaped side table, the switching reciprocating structure comprises two fixed bent frames fixedly arranged on the top of one side of the L-shaped side table, and the two fixed bent frames are rotationally connected with the corresponding rotating discs. According to the glass cutting machine, waste chips generated by cut glass can be cleaned immediately after cutting is completed, and two processing functions are integrated on one device, so that the occupied space of the device is reduced, the layout of a production line is simplified, and the production efficiency is improved; in addition, only one main first driving motor is needed to drive the whole switching reciprocating structure, so that less energy is used, and the efficiency is also remarkably improved.

A method of manufacturing a window includes: preparing a glass substrate laminate which includes preparing a base substrate, alternately disposing glass substrates and adhesive layers on the base substrate, and disposing a cover substrate on the glass substrates and the adhesive layers alternately disposed; and cutting the glass substrate laminate, where the adhesive layers include a potassium nitrate (KNO3) particle and an adhesive resin. This method makes it possible to effectively manufacture an ultra-thin glass substrate used for a window.

A method for removing a coating film, cutting glass, and post-processing using a laser according to the present application includes the steps of: coating a coating solution for preventing chemical contact on one side or both sides of a mother panel state ultrathin glass to perform selective chemical processing; drying the coating solution to form a coating film on one side or both sides of the mother panel state ultrathin glass; cutting the mother panel state ultrathin glass into a unit level ultrathin glass applied to an electrical and electronic product; performing selective chemical processing on the cut unit level ultrathin glass to heal a laser cutting surface of the unit level ultrathin glass; after washing the unit level ultrathin glass, removing all of the coating film formed on a surface of the unit level ultrathin glass; and after washing the unit level ultrathin glass on which all of the coating film is removed, chemically healing the surface of the unit level ultrathin glass to remove defects or flaws on the surface of the unit level ultrathin glass on which all of the coating film is removed.

The utility model discloses a glass cutting machine with high positioning accuracy, which comprises a frame, sliding chutes are arranged on two sides of the frame, a sliding frame is movably connected between the sliding chutes, two sides of the frame are movably connected with threaded rods, the threaded rods are in threaded connection with the sliding frame, one side of the frame is provided with a power component, and the other side of the frame is provided with a driving component. A screw rod is movably connected to the top of the sliding frame, a first sliding block is movably connected to the outer side of the screw rod, an air cylinder is fixedly connected to the bottom of the first sliding block, a connecting plate is fixedly connected to one end of a piston rod of the air cylinder, a cutting assembly is installed at the bottom of the connecting plate, and a bottom plate is installed in the frame. According to the glass cutting device, a worker can conveniently and accurately cut glass, meanwhile, the glass of different sizes can be stably clamped through matched use of the clamping frame and the screw, and the situation that the air cylinder directly drives the diamond cutting knife to move downwards, so that the glass is stressed greatly, and consequently the glass is broken can be avoided.

The utility model relates to the technical field of rhinestone blank machining, and discloses a rhinestone blank glass bead polishing device which comprises a workbench, a polishing barrel, a polishing assembly, a discharging hopper and supporting legs, the polishing barrel is arranged at the top of the workbench, the polishing assembly is installed above the polishing barrel, the discharging hopper is arranged at the bottom of the workbench, and the supporting legs are arranged on the workbench. The supporting legs are fixedly connected to the outer side of the bottom of the workbench, the polishing barrel comprises a barrel body, a spiral guide plate, a feeding pipe, a discharging opening, a first air cylinder, a telescopic rod and a check block, the barrel body is fixedly connected to the top of the workbench, the spiral guide plate is fixedly connected to the interior of the barrel body, and the feeding pipe is fixedly connected to the outer side of the barrel body. According to the rhinestone blank glass bead polishing device, the spiral guide plates are evenly arranged in the barrel, polishing work is facilitated, and meanwhile, the arranged glass beads can be prevented from shaking randomly in the polishing process to cause damage.