35 results about "Glass knife" patented technology

The present invention provides a method for manufacturing blades with a cutting edge from glass by subjecting a strip glass to a controlled breaking force. Before breaking the glass is scored to create a line of weakness at which the break is made. The glass is broken by striking the glass with a breaking force that causes the glass on either side of the score line to pivot away from one another. This controlled breaking of the glass strip creates a broken off portion of glass that has a sharp cutting edge. The present invention also provides an apparatus that creates glass blades in accordance with the method.

The utility model discloses a crosscutting dust collecting device, which relates to the technical field of glass production and comprises an equipment support, a first actuator, a second actuator and a dust collecting module, the first actuator is mounted on the upper portion of the equipment support, the second actuator is mounted at the driving end of the equipment support, a tool apron is mounted at the driving end of the second actuator, and the dust collecting module is mounted on the equipment support. A glass cutter is installed at the end of the cutter holder, the first actuator can drive the glass cutter to horizontally reciprocate, the second actuator can drive the glass cutter to be close to or away from glass, the dust collection module is provided with three dust collection ends, two dust collection ends are fixed to the two ends of the moving track of the second actuator, one dust collection end moves along with the second actuator, and a dust collection adsorption opening faces the glass cutter. According to the transverse cutting dust collecting device, the dust collecting pipe is directly installed near the glass cutter, dust can be effectively captured and sucked at the moment of being generated, the staying time of the dust in the air is greatly shortened, and therefore the dust removing efficiency is remarkably improved.

The utility model discloses a sharpening and stamping device for a titanium oxycarbide-based metal ceramic TN20 alloy glass cutter, which comprises a frame, a first mounting seat is fixedly connected onto the frame, a mounting groove is arranged on the first mounting seat, a sharpening component is mounted in the mounting groove, the sharpening component comprises a third gear, the third gear is rotatably connected into the mounting groove, and the third gear is rotatably connected into the mounting groove. Racks are connected to the outer walls of the two sides of the third gear in a meshed mode, and the two racks are slidably connected into the mounting groove. According to the glass cutter punching and polishing machine, punching and polishing of a glass cutter rough blank are integrated, the glass cutter rough blank is clamped through the rotatable clamp assembly, the punching function is achieved in cooperation with the punching rod, the polishing function is achieved in cooperation with the cutter grinding assembly, the production process is greatly simplified, the production efficiency is improved, the operation steps are reduced, and the equipment cost and the labor cost are reduced; the clamp assembly can be suitable for tool bits of different specifications, universality and flexibility of equipment are improved, and equipment cost is further reduced.

The utility model discloses a scribing device for tempered glass production and cutting, which belongs to the technical field of tempered glass production and comprises a worktable, a connecting frame is fixedly connected to the top of the worktable and is of a U-shaped structure, an adjusting mechanism is arranged at the bottom of the connecting frame, a connecting mechanism is arranged at the bottom of the adjusting mechanism, and the connecting mechanism is connected with the worktable. A positioning mechanism is arranged at the end part of the connecting frame; the adjusting mechanism comprises an electric telescopic rod fixedly connected with the inner wall of the bottom of the connecting frame, a rotating motor is fixedly connected to the bottom of a piston rod of the electric telescopic rod, a rotating shaft is fixedly connected to the bottom of an output shaft of the rotating motor, and a glass cutter used for cutting glass is arranged at the bottom of the rotating shaft. The bottom of the rotating shaft is fixedly connected with an electric sliding rail, and the inner wall of the electric sliding rail is fixedly connected with an electric sliding block. According to the box cover, glass can be circularly marked, and the practicability of the box cover is improved.

The present invention relates to the field of glass production and cutting technology, and specifically to a cutting device for tempered glass production, comprising: a bracket, a cutting frame is installed on the top of the bracket; a placing mechanism; the placing mechanism is installed on the cutting frame and is used to limit the movement and cut and separate the glass; a cutting mechanism; the cutting mechanism is installed on the cutting frame. In the present invention, the rubber shift wheel contacts and positions the glass surface, and then by starting the cylinder three, the cutting plate is lowered after the cylinder three is started, so that the glass cutter contacts the glass surface, and the motor three is started. After the motor three is started, it rotates to drive the screw rod three to rotate, and the rotating screw rod three meshes with the screw shift block to move, and the moving screw shift block moves the glass cutter along the glass surface to cut the glass, and the cylinder pair lifts the height of the lifting plate, and the lifting frame rod is pressed against the bottom of the square frame rod to lift its height, and the glass is lifted and stressed along the traces left by the glass cutter, and the glass is separated.

The utility model discloses a glass cutter which belongs to the cutter technical field, and comprises a handle and a cutter head, the first end of the handle is connected with the cutter head, a finger fixing part is arranged on one side of the handle close to the first end, and a finger through hole is formed through the middle part of the finger fixing part. The finger through hole generated by the finger fixing part conforms to the holding habit of ergonomics, so that the hand muscles of the user are relaxed during operation, even if the glass is continuously cut for a long time, the tension degree of the hand muscles and the fatigue accumulation speed are reduced, the comfort degree of operation is improved, and the efficiency of long-time work is improved.

The invention belongs to the technical field of glass cutting, and discloses a glass product cutting device which comprises a suction cup assembly and a sliding rail hinged to the suction cup assembly, and further comprises a glass cutter mechanism installed on the sliding rail in a sliding mode; the piston assembly and the valve piece are arranged on the glass cutter mechanism; according to the scheme, the suction cup assembly is fixed to the glass plate, the base body is adjusted, the base body is fixed to the sliding rail through the screwing piece, the grip is pressed to enable the spring rod to move downwards, then the second flow channel moves downwards to conduct the first flow channel, and at the moment, a water source located in the base body and located below the tension spring combined piston enters the first flow channel and is discharged through the bottom of the first flow channel; when the base body rotates around the suction cup assembly as the axis, the first flow channel sprays a water source in front of the path of the cutter body so as to avoid the problems of water source waste and discontinuous cutting track.

The utility model discloses a substrate cutting adsorption device, which belongs to the technical field of substrate glass defect sampling, and comprises an adsorption component, a storage bin, an adsorption channel, an adsorption port and a glass cutter head, the adsorption assembly is installed in the storage bin, the adsorption channel is communicated with the storage bin and the adsorption opening, the storage bin is detachably installed at an outlet of the adsorption channel, the adsorption opening is installed at an inlet of the adsorption channel, and the glass cutter head is installed at the adsorption opening. And the sucked glass powder is conveyed to the storage bin through the adsorption channel. According to the utility model, the problem of pollution caused by excessive glass powder generated when substrate glass is cut in the prior art can be solved.

The utility model provides a trimming tool with a measuring function, comprising a main body mechanism and a cutting mechanism; the main body mechanism comprises a fixed frame, a first slide groove is formed on one side of the interior of the fixed frame, a measuring ruler is provided on one side of the fixed frame, a limit block is provided on one side of the interior of the fixed frame, and the limit block is slidably connected to the fixed frame through the first slide groove; the cutting mechanism comprises a first sliding block and a mounting seat, the mounting seat is mounted on one side of the first sliding block, a glass cutter is fixedly connected to one side of the mounting seat, and the first sliding block is slidably connected to the fixed frame through the first slide groove; the utility model guides the movement of the glass cutter by arranging the fixed frame to cooperate with the first sliding block to prevent the cutting path from deviating when the glass cutter is cutting, and arranges a measuring ruler to cooperate with the limit block, adjusts the position of the limit block according to the trimming requirement, limits the cutting distance of the glass cutter by the limit block, and the measuring ruler is convenient for trimming measurement to improve the trimming accuracy.

The utility model discloses glass cutting equipment, which belongs to the technical field of glass cutting, aims to solve the problem that a T-shaped glass cutter on the market at present cannot obliquely cut glass, and comprises a cross rod, a vertical rod is detachably mounted at the top end of the cross rod, and an oblique cutting power structure is mounted in the vertical rod. The beveling power structure is connected with a cutting assembly connected to the outer portion of the vertical rod in a sleeving mode, when the beveling device is used, rolling wheels are rotated firstly, the position of the cutting assembly is adjusted, a cutter reaches a designated position, then the transverse rod makes contact with the side edge of to-be-cut glass, and therefore the whole is moved; and during movement, the rollers rotate on the surface of the glass, so that a lead screw is driven to rotate, and a cutter can be driven to slide downwards, so that the cutter can cut oblique lines on the surface of the glass when the cross rod translates, and oblique cutting operation on the glass is facilitated.

An automobile glass cutting device of the present invention relates to the field of glass cutting, and includes a bottom column arranged on one side of a bottom plate, a rotating and telescopic assembly arranged on the bottom column, and an adaptive cutting mechanism arranged on one side of the rotating and telescopic assembly. By providing an adaptive cutting mechanism, the invention can limit the boundary of the automobile glass that has been cut on the glass, and through rotation adjustment, adjust the cutting and separating angle of the corner material part that needs to enter. By driving a wire wheel, the glass cutter is pulled to facilitate the cutting of the glass cutter on the glass corner material. On the way back, through a gear-rack structure, a hammer is driven to hammer along the cutting line on the corner material, so as to quickly separate the corner material from the automobile glass, and it is not limited by the specifications such as the shape and size of the automobile glass.

The utility model relates to a cutting device in glass processing, and aims to solve the problems that when glass is cut currently, only linear glass cutting can be carried out, the orientation of a cutting edge cannot be smoothly adjusted to the advancing direction of a glass cutter, burrs are likely to appear on a glass section, the glass cutting effect is affected, and the production efficiency is high. The glass cutting device comprises a cutting table and a five-axis cutting mechanism installed at the top of one side of the cutting table, the five-axis cutting mechanism comprises two Y-axis guiding mechanisms and a linear cutting assembly, the two Y-axis guiding mechanisms are symmetrically arranged, the linear cutting assembly is arranged on the Y-axis guiding mechanisms in a sliding mode, and the cutting action on the Y axis is achieved; the linear cutting assembly comprises an X-axis guide mechanism and a cutting depth control assembly, the orientations of a plurality of cutting blades on the conical cutting head can be adjusted according to the cutting direction, and the working time distribution of different cutting blades can be realized, so that the service life of the conical cutting head is prolonged, the cutting efficiency is improved, and the damage rate is reduced while the smoothness of a notch is ensured.

The invention relates to a glass cutting device with a switching function, and solves the technical problems that when an existing glass cutting device is used, glass cutters of different specifications need to be replaced or the whole set of cutting device needs to be directly replaced according to glass of different thicknesses, time and labor are wasted, and the working efficiency is affected. The glass cutting device comprises a bottom plate, a first air cylinder, a connecting sleeve, a lifting frame, a base plate, a second air cylinder support, a second air cylinder, a linear bearing seat, a linear bearing, an extension spring, a cutter shaft, a glass cutter, a spring connecting seat and a blocking pad, the linear bearing is connected with the linear bearing seat, the cutter shaft is connected with the linear bearing, the cutter shaft penetrates through the linear bearing, and the glass cutter is connected with the lower end of the cutter shaft. The tail end of a telescopic rod of the second air cylinder abuts against the upper end of the cutter shaft, the upper end of the extension spring is connected with the linear bearing seat, and the lower end of the extension spring is connected with the spring connecting seat. The method is widely applied to the technical field of glass processing.

The utility model discloses glass lens cutting equipment which structurally comprises a transmission belt, a first mounting frame and a second mounting frame, a first motor drives the transmission belt to push a glass lens to move, and after the glass lens moves to a proper position, a first electric push rod pushes a glass cutter downwards to enable the glass cutter to be in contact with the glass lens, and then the glass lens is cut off. A second motor drives a lead screw to enable a movable sliding block to move left and right so that the glass lens can be transversely cut, the glass lens can be longitudinally cut under the action of a conveying belt, and after the glass lens is cut and marked, the conveying belt conveys the glass lens to move to a second mounting frame. A second electric push rod pushes a push plate to enable a contact plate and a breaking plate to face downwards, after a stress plate makes contact with the glass lens, a third electric push rod pushes the breaking plate to enable the breaking plate to face downwards to conduct stress bending work on the scribing position, and therefore automatic cutting can be achieved when the glass lens is cut. And the condition of low efficiency or potential safety hazards caused by manual cutting and breaking is avoided, so that the working efficiency is improved.

The utility model discloses building decoration material producing and processing equipment, and relates to the technical field of building material processing. The glass cutter comprises a pressure mechanism and a glass cutter body, the pressure mechanism comprises a guide plate, a mounting groove is formed in the guide plate, the top of the mounting groove is in threaded connection with an adjusting bolt, the bottom of the adjusting bolt is rotationally connected with a sliding plate, and the bottom of the sliding plate is fixedly connected with a spring. According to the glass cutting device, efficient and accurate cutting of glass is achieved through the arrangement of the pressure mechanism, the glass cutting device can adapt to glass of different thicknesses and materials through the arrangement of the adjustable pressure mechanism, stability and uniformity of pressure during cutting are guaranteed, and by means of the guide inclined face and the limiting plate, the glass can be cut more accurately, and the production efficiency is improved. The glass cutter can keep linear motion in the cutting process and cannot deviate from a preset cutting line, so that the cutting accuracy and quality are improved, and powerful technical support is provided for production and processing of building decoration materials.

The utility model discloses a brittle glass quick segmentation device, including wiping mechanism and auxiliary cutting mechanism, the wiping mechanism includes the bottom plate, the U -shaped board of sleeve joint in bottom plate one side, with the rubber wiper of U -shaped board inner chamber top connection, auxiliary cutting mechanism, the auxiliary cutting mechanism includes the sliding sleeve of suspension in bottom plate top, the glass cutter and bracing pole of embedding in sliding sleeve one side, with the plastic scraper of bracing pole bottom end connection. In the utility model, brittle glass is inserted into the bottom of U-shaped plate, then the rubber wiper wipes the top of glass, removes the dust particle on its surface, then after the hose comes to the cutting position, the flow regulating valve is actuated, makes the hose regularly drops kerosene, then through the movement sliding sleeve makes the plastic scraper scrape even kerosene, and the extra kerosene is scraped into the collecting box, and the collected kerosene can be directly recycled, and the use cost of kerosene is effectively controlled.

The utility model belongs to the technical field of glass cutting equipment, and particularly relates to a glass cutting machine with a cleaning function, which comprises a workbench, a first electric lead screw is arranged on the workbench, a first female seat matched with the first electric lead screw is arranged on the first electric lead screw, a second electric lead screw is arranged on the first female seat, and a second electric lead screw is arranged on the second electric lead screw. The second electric lead screw is provided with a second female base matched with the second electric lead screw, the second female base is provided with a vertical telescopic mechanism, and the telescopic end of the telescopic mechanism faces downwards and is provided with a glass cutter and a dust collection assembly. Compared with the prior art, the glass cutting machine has the advantages that the tool path after cutting of the glass cutter is cleaned through the dust collection assembly, glass chippings and powder on glass on the two sides of the tool path are sucked away through air suction, and the problems that the glass powder is scattered during circulation and pollutes the working environment can be effectively solved.

The present invention provides a glass cutting and stacking linkage processing equipment, belonging to the field of glass cutting and stacking. The invention comprises a main frame, a first servo motor is fixedly connected to the side wall of the main frame, and a transmission shaft is fixedly connected to the bottom of the first servo motor. The present invention uses a second servo motor to provide power, so that a rotating column drives the fan blades to rotate to form wind force, and at the same time uses a screw structure between a rotating shaft and a glass cutter, so that the glass cutter follows the rotation of the rotating shaft and moves to cut the glass, and combines with the rotation of the fan blades to form suction to remove glass powder in the cutting process. When subsequent glass is stacked, no scratches are caused on the glass surface, ensuring the beauty and smoothness of the glass surface. Then, the glass cutter is used to squeeze the slide plate when returning, so that the pressure in the inner cavity of the powder spraying chamber is increased, so that carbon powder is sprayed out from the inner cavity of the powder spraying chamber and sprinkled on the glass, so that when the glass is stacked, it will not be sucked together due to the smooth glass surface, which is convenient for subsequent opening.

1. Name of the product in this design: Glass cutter. 2. Purpose of this design: This design is for use as a glass cutter for cutting glass. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to a cutting device, belonging to the technical field of ceramic tile glass construction, specifically a high-precision ceramic tile glass cutting device, comprising a high-transparency acrylic plate, wherein a six-sided pusher rod is arranged at the upper position of the high-transparency acrylic plate; the utility model is composed of a steel needle, a six-sided pusher rod, an oil pot, a glass cutter head and other accessories through processing, so as to realize arc cutting of ceramic tiles and glass, and achieves precise adjustment through the change of the numerical value between a moving block and a scale; the position of the glass cutter head can be adjusted by rotating a locking nut to loosen it, and it can be retracted when not in use, and moved to contact with the surface of the ceramic tile and glass when in use, and finally the locking nut can be rotated in the opposite direction to squeeze and limit the position; the problem that the end point and the starting point in the existing cutting process cannot be matched, there is an error, and it is not conducive to high-precision ceramic tile and glass arc cutting is solved.

The utility model relates to the technical field of glass production, and discloses a rim charge cutting device for glass production, which comprises a tool frame, a rotatable sucker for fixing glass and a clamping plate for clamping the edge of the glass are arranged on the tool frame, and a glass cutter capable of reciprocating is mounted in the clamping plate. When the hydraulic telescopic rod of the driving part extends, the upper clamping plate and the lower clamping plate are driven to move, the edge of the glass is clamped and fixed, the glass cutter is attached to the surface of the glass, then the glass cutter is controlled to automatically move in the axial direction of the threaded shaft and rapidly scratch the surface of the glass, it can be guaranteed that the glass cutter cannot deviate, and the cutting efficiency and precision are improved; in the moving process, the glass cutter exerts pressure on the glass, the pressing plate supports the glass from the other face of the glass to prevent the glass from being broken, in addition, the upper clamping plate and the lower clamping plate clamp the edge of the glass, and edge glass fragments are prevented from being broken and splashed.

The utility model belongs to the technical field of glass processing, and particularly relates to glass cutting processing limiting auxiliary equipment which comprises a supporting disc. The upper end of the middle of the supporting disc is rotationally connected with a rotating shaft. A fixing rod is fixedly connected to the middle of the supporting disc and located on the inner side of the rotating shaft. The outer side of the fixing rod is rotationally connected with a first rotating plate; the inner side of the second rotating plate is fixedly connected with a connecting block; the upper and lower ends of the connecting blocks are located on the inner sides of the limiting grooves and rotationally connected with the limiting grooves; a limiting assembly is arranged on the inner side of the connecting block. A clamping assembly is arranged at the end of the second rotating plate. A supporting disc is placed in the center of glass to be cut, a second rotating plate drives a connecting block to rotate on the inner side of a limiting groove, the angle between the second rotating plate and a first rotating plate is locked in cooperation with a limiting assembly, and then a glass cutter is clamped by means of a clamping assembly, so that the glass cutter cuts the glass, the glass circle cutting precision is improved, and the glass circle cutting efficiency is improved. And the quality of cut finished products is obviously improved.

1. Name of the Design Product: Glass Cutter. 2. Use of the Design Product: For cutting glass. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1. 5. The right view has been shown in the perspective view, so the right view is omitted.

The utility model relates to toughened glass processing technical field, concretely relates to a kind of toughened glass full-automatic cutting device, it includes base and lifting plate, the lifting plate lower end surface is fixedly connected with glass cutter, the base upper end surface is fixedly connected with support frame, the support frame top is fixedly connected with automatic cutting assembly;The automatic cutting assembly includes the horizontal guide rail fixedly connected in the support frame top, the horizontal guide rail bottom end sliding installation has horizontal electric sliding base, the horizontal electric sliding base lower end surface is fixedly connected with longitudinal guide rail.In the utility model, the cutting orientation of glass cutter can be adjusted automatically, the perpendicular cutting angle of glass cutter relative to glass side edge is maintained, which is beneficial to improve the overall efficiency of glass cutting processing, and the abutting plate can always abut and limit the glass during cutting, avoiding the glass cracking or deviation during cutting, so as to ensure the cutting stability and cutting quality of the glass.

The utility model belongs to the technical field of glass processing, and discloses an efficient glass cutting device for a production line, which comprises a rack, a conveyor belt driven by a driving component is mounted on the inner side of the rack, a hydraulic push rod is fixedly mounted at the top of the rack, and an inverted U-shaped frame is mounted at the piston end of the hydraulic push rod. A glass cutter for cutting glass is arranged above the conveying belt and is driven by a driving device; a cleaning device is installed on the machine frame and located below the terminal of the conveying belt, a collecting tank is installed on the machine frame and located below the cleaning device, the driving device comprises a stepping motor installed on an inverted-U-shaped frame, and a threaded lead screw is vertically and rotationally installed on the inverted-U-shaped frame. And one end of the threaded screw rod is in transmission connection with an output shaft on the stepping motor. According to the glass cutting device, glass can be conveniently and efficiently cut, operation is easy and fast, glass residues on the conveying belt can be cleaned, and increase of follow-up manual cleaning cost is avoided.

The utility model relates to a glass cutting device which solves the technical problems that when an existing glass cutting device is used, glass cutters of different specifications need to be replaced or the whole set of cutting device needs to be directly replaced according to glass of different thicknesses, time and labor are wasted, and operation efficiency is affected. The device comprises a bottom plate, a second air cylinder support, a second air cylinder, a linear bearing seat, a linear bearing, an extension spring, a cutter shaft, a miniature pressure sensor, a glass cutter and a spring connecting seat, the linear bearing is connected with the linear bearing seat, the cutter shaft is connected with the linear bearing and penetrates through the linear bearing, and the glass cutter is connected with the lower end of the cutter shaft. The miniature pressure sensor is fixedly connected with the upper end of the cutter shaft, the tail end of a telescopic rod of the second air cylinder abuts against the miniature pressure sensor, the upper end of the extension spring is connected with the linear bearing seat, the spring connecting seat is fixedly connected with the glass cutter through a screw, and the lower end of the extension spring is connected with the screw. The device is widely applied to the technical field of glass processing.

The utility model discloses a carrier plate glass scribing device which comprises a mounting frame, the mounting frame is fixed to one side of a production line, an adjusting plate is arranged on the mounting frame, a follower is vertically connected to the adjusting plate in a sliding mode, the bottom of the follower is a sliding face arranged in an inclined mode, and the sliding face is gradually lowered in the conveying direction; and the glass cutter is fixed on the follower on the lowest side of the sliding surface. The carrier plate glass scribing device has the beneficial effects that the work of automatically adjusting the height of the glass cutter is completed by adopting a simple mechanical structure, so that the cost is greatly reduced, the operation is convenient, and complicated debugging is not needed.

The utility model relates to an automatic glass plate cutting device which comprises a mounting frame and a glass cutter, the mounting frame comprises a longitudinal moving support and a transverse moving support, the longitudinal moving support is connected to a longitudinal moving rail in a sliding mode and driven by a longitudinal moving driving mechanism, and the longitudinal moving rail is arranged in the conveying direction of the rail and fixed to the two sides of the rail. The transverse moving support is connected to the longitudinal moving support in a sliding mode and driven by a transverse moving driving mechanism, the sliding direction of the transverse moving support is perpendicular to the conveying direction of the rail, and the glass cutter is arranged at the bottom of the transverse moving support. The speed of the longitudinal moving driving mechanism is adjusted, so that the moving speed of the longitudinal moving support is consistent with the conveying speed of the track, the longitudinal moving speed of the glass cutter is synchronous with the glass plate, scribing operation can be directly completed without stopping the glass plate, and reverse scribing is started again after scribing is completed.

The utility model belongs to the field of optoelectronic technology, specifically is a kind of glass gasket cutting device for optical device packaging, including transmission frame;Multiple rollers are rotatably connected in the middle part of transmission frame;The support plate is fixedly connected in the bottom of transmission frame;A group of electric push rods are fixedly connected in the top of support plate;The output end of electric push rod is fixedly connected with connecting block;Connecting block one side is equipped with hose;Diaphragm pump is installed at the end of hose;Sucking disc is fixedly connected in the top of connecting block;Portal frame is slidably connected in the surface of transmission frame;A group of spring telescopic links are fixedly connected in the bottom of portal frame;The output end of spring telescopic link is fixedly connected with connecting plate;Reciprocating motor is installed in the middle part of connecting plate;Mounting block is fixedly connected in the load end of reciprocating motor;Glass knife is installed in the bottom of mounting block;Air between sucking disc and glass is extracted to be fixed by diaphragm pump, can form large-area negative pressure in glass bottom, make glass surface receive uniform vertical suction force.

The utility model discloses a glass substrate thermal shrinkage detection sample preparation device, which relates to the technical field of sample preparation devices, and comprises an objective table, and a side plate baffle is arranged on the side edge of the table top of the objective table. The movement of the limiting sliding block and the movement of the second supporting frame can be limited through the limiting sliding groove formed in the first supporting frame and the adjusting sliding groove formed in the side plate baffle, so that the stability of the scribing cutter blade and the glass cutting cutter during movement is guaranteed, deviation is avoided, it is guaranteed that the scribing position can be accurately aligned after two subsequent sample pieces are spliced, and the scribing efficiency is improved. The guide lifting rod and the traction spring form elastic traction on the scribing cutter blade and the glass cutting cutter, a worker can press the pressing block downwards in the using process, the scribing cutter blade and the glass cutting cutter make contact with a glass substrate, and when the scribing cutter is not used, the traction spring pulls the scribing cutter blade and the glass cutting cutter to a certain height. And the glass substrate can be conveniently placed.