CN108581744B - Grooving error correction method for glass edge grinder - Google Patents
Grooving error correction method for glass edge grinder Download PDFInfo
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- CN108581744B CN108581744B CN201810547888.9A CN201810547888A CN108581744B CN 108581744 B CN108581744 B CN 108581744B CN 201810547888 A CN201810547888 A CN 201810547888A CN 108581744 B CN108581744 B CN 108581744B
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- synchronous belt
- grinding
- grinding wheel
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- 239000011521 glass Substances 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000001360 synchronised effect Effects 0.000 claims abstract description 88
- 238000006073 displacement reaction Methods 0.000 claims abstract description 42
- 238000007688 edging Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 27
- 238000005299 abrasion Methods 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/03—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding grooves in glass workpieces, e.g. decorative grooves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a grooving error correction method of a glass edging machine, which comprises a control device, a frame, a synchronous belt conveying mechanism, a grinding head assembly, a grinding head displacement adjusting mechanism and a pressure-bearing mechanism, wherein the synchronous belt conveying mechanism, the grinding head assembly, the grinding head displacement adjusting mechanism and the pressure-bearing mechanism are arranged on the frame, the grinding head assembly is fixed on the grinding head displacement adjusting mechanism, the pressure-bearing mechanism and the grinding head displacement adjusting mechanism are positioned on the same side of the synchronous belt conveying mechanism, the pressure-bearing mechanism is adjacent to the synchronous belt conveying mechanism in position, and the grinding head assembly, the synchronous belt conveying mechanism, the pressure-bearing mechanism and the grinding head displacement adjusting mechanism are respectively and electrically connected with the control device. The method and the device redetermine the initial point of the worn grinding wheel by comparing the distances between the grinding wheel before wear and the grinding wheel after wear and the origin stop block respectively so as to correct the grooving error of the grinding wheel.
Description
Technical Field
The invention relates to the technical field of glass processing equipment, in particular to a grooving device of a glass edging machine for processing grooves on the surface of glass, a control method thereof and a grooving error correction method.
Background
When the hollow glass edge needs to be glued, a groove needs to be processed in a range which is a certain distance away from the glass edge so as to increase the adhesive strength of the glue. As shown in fig. 1 and 2, the glass 1 has a groove 11, and the groove 11 is separated from the front glass edge 12 by a certain distance C, from the rear glass edge 13 by a certain distance D, and from the lower glass edge 14 by a certain distance E, so that sharp corners are not formed at the edges of the glass 1 when the groove 11 is processed, and the breakage rate of the glass 1 due to stress concentration caused by the sharp corners is greatly reduced when the glass is toughened. The width F of the groove 11 is 5mm (tolerance.+ -. 0.5 mm) and the depth G is 0.3 to 0.4mm. Of course, the above parameters may vary as the industry evolves.
Disclosure of Invention
A first object of the present invention is to provide a grooving apparatus for a glass edging machine for grooving a glass surface.
The purpose of the invention is realized in the following way:
the grooving device of the glass edging machine comprises a control device, a frame and a synchronous belt conveying mechanism arranged on the frame, and is characterized by further comprising a grinding head assembly, a grinding head displacement adjusting mechanism and a pressure-bearing mechanism, wherein the grinding head assembly is fixed on the grinding head displacement adjusting mechanism, the pressure-bearing mechanism and the grinding head displacement adjusting mechanism are respectively arranged on the frame and are positioned on the same side of the synchronous belt conveying mechanism, the pressure-bearing mechanism is adjacent to the synchronous belt conveying mechanism in position, and the grinding head assembly, the synchronous belt conveying mechanism, the pressure-bearing mechanism and the grinding head displacement adjusting mechanism are respectively electrically connected with the control device. According to the grooving device of the glass edging machine, the grinding head displacement adjusting mechanism is used for controlling the displacement of the grinding head assembly in the vertical direction and the front-rear direction of the frame, and the glass clamped by the synchronous belt conveying mechanism is displaced in the left-right direction, so that the grinding head assembly is used for processing grooves on the upper surface of the glass, and meanwhile, the pressure-bearing mechanism is used for bearing downward pressure generated when the grinding wheel is used for cutting the glass, so that the glass is prevented from being broken due to shearing force, and the yield of glass processing is improved.
The aim of the invention can be also solved by adopting the following technical measures:
as a more specific scheme, the front end of the pressure-bearing mechanism is provided with a stroke detection sensor, the stroke detection sensor is electrically connected with a control device, the stroke detection sensor detects that glass walks to the pressure-bearing mechanism and sends a signal to the control device, and the control device controls the grinding head displacement adjusting mechanism to displace, so that the grinding head assembly can process the glass grooves. The time for processing the glass by the grinding head component can be accurately controlled by the travel detection sensor, so that the glass is positioned on the pressure-bearing mechanism when the glass is processed by the grinding head component.
As a more specific scheme, the grinding head displacement adjusting mechanism comprises a longitudinal adjusting component and a lifting adjusting component, wherein the longitudinal adjusting component is arranged on the frame in a longitudinal displacement mode, the grinding head component is arranged on the lifting adjusting component and is fixed on the longitudinal adjusting component together, the longitudinal adjusting component and the lifting adjusting component enable the grinding head component to perform longitudinal displacement and lifting displacement, the grinding head displacement adjusting mechanism can only control the displacement of the grinding head component in the front-back direction and the up-down direction, so that the longitudinal grinding head component and the pressure-bearing mechanism are both arranged on a moving plane of the grinding head displacement adjusting mechanism, and the pressure-bearing mechanism is arranged under glass when the grinding head component processes the glass.
As more specific scheme, vertical adjusting part includes hand wheel, baffle, lead screw, bottom plate and slide, the bottom plate sets up in the frame, bottom plate upper portion sets up the lead screw, the bottom plate outside sets up the baffle is provided with the hand wheel on the baffle, and hand wheel and lead screw threaded connection, slide and screw drive are connected, and lift adjusting part and bistrique subassembly set up together on the slide, drive the lead screw through the hand wheel, make the slide along the lead screw slip, and vertical adjusting part control bistrique subassembly back-and-forth movement, and then distance E between groove and the lower glass limit that the control bistrique subassembly processed on glass.
As more specific scheme, lift adjustment subassembly includes servo motor, shaft coupling, fixing base, ball, lift seat, linear slider, linear guide and motor board, the fixing base sets up at the lift seat top, and fixes on longitudinal adjustment subassembly's slide together, ball with linear guide sets up on the lift seat with vertical mode respectively, the motor board passes through linear slider and sets up on linear guide with the mode of sliding, and the last nut fixed connection of motor board and ball, be equipped with on the fixing base servo motor, servo motor's output shaft passes through shaft coupling and ball transmission are connected, servo motor and controlling means electric connection, the bistrique subassembly is fixed on the motor board, and controlling means passes through servo motor drive shaft coupling, makes the bistrique subassembly on the motor board make lift displacement along ball. The lifting adjusting component controls the displacement of the grinding head component in the up-down direction, namely, the purpose of glass processing by the grinding head component is achieved, and the depth G of a glass processing groove of the grinding head component is further controlled.
As a more specific scheme, the grinding head assembly comprises a grinding wheel seat, a grinding wheel and a grinding head motor, wherein the grinding head motor is fixed on a motor plate of the lifting adjusting assembly, the grinding wheel is in transmission connection with the grinding head motor through the grinding wheel seat, the grinding head motor is electrically connected with a control device, the grinding wheel is positioned above the pressure-bearing mechanism, and the control device drives the grinding wheel to rotate through the grinding head motor.
As a more specific scheme, the synchronous belt conveying mechanism comprises an upper synchronous belt, an upper synchronous belt supporting frame, a lower synchronous belt and a lower synchronous belt supporting frame, wherein the upper synchronous belt is wound on the upper synchronous belt and the upper synchronous belt supporting frame to form an upper belt wheel combination, the lower synchronous belt is wound on the lower synchronous belt and the lower synchronous belt supporting frame to form a lower belt wheel combination, the upper belt wheel combination and the lower belt wheel combination are respectively arranged at upper and lower positions, a gap is reserved between the upper belt wheel combination and the lower belt wheel combination, the gap forms a glass clamping and conveying section, the pressure-bearing mechanism is arranged on one side of the lower belt wheel combination, the positions of the pressure-bearing mechanism are adjacent, the pressure-bearing mechanism extends along the length direction of the glass clamping and conveying section, and the height of the upper surface of the pressure-bearing mechanism is the same as or similar to that of the upper surface of the lower belt combination, and when the synchronous belt conveying mechanism clamps glass to move in the left and right directions, the glass can smoothly slide to the pressure-bearing mechanism to the ground head assembly.
As a more specific scheme, an origin stop is arranged on an upper synchronous belt supporting frame of the synchronous belt conveying mechanism, the origin stop is positioned above the pressure bearing mechanism and the grinding wheel, the origin stop is used for measuring the abrasion loss of the grinding wheel, and a control device is convenient to correct errors caused by the abrasion loss generated by the grinding wheel.
As more specific scheme, pressure-bearing mechanism includes downside driving pulley, downside driven pulley, downside hold-in range, lower riding block, downside guide rail board and downside tensioning band pulley, the downside driving pulley sets up downside driving pulley one side and both pass through threaded connection in order to rotate together, the downside hold-in range is around establishing on downside driving pulley, downside guide rail board, downside driven pulley and downside tensioning band pulley, the downside guide rail board sets up on lower riding block, lower riding block and downside hold-in range support frame fixed connection, the emery wheel is located the top of downside hold-in range, stroke detection sensor sets up the front end at the downside hold-in range. The lower driving belt wheel and the lower synchronous belt wheel synchronously rotate, so that the moving speeds of the lower synchronous belt and the lower synchronous belt are consistent, and when glass to be processed can slide to the lower synchronous belt, the lower synchronous belt is supported by the lower guide rail plate and bears downward pressure generated when the grinding wheel cuts the glass.
A second object of the present invention is to provide a control method for precisely grooving glass by a grooving apparatus of a glass edging machine.
The second object of the present invention is achieved by:
the glass is clamped by a synchronous belt conveying mechanism to horizontally move at a constant speed, and the moving direction is the positive direction of the X axis; the longitudinal adjusting component drives the lifting adjusting component and the grinding head component to horizontally move towards the direction of the synchronous belt conveying mechanism, and the moving direction is the Y-axis positive direction; the lifting adjusting component drives the grinding head component to lift and move in the vertical direction, and the upward moving direction is the Z-axis forward direction; the method comprises the following steps:
selecting a grinding wheel of a proper grinding head assembly, wherein the width of the grinding wheel is consistent with the width F of a groove formed in glass;
moving the longitudinal adjusting assembly and the lifting adjusting assembly to enable the grinding wheel of the grinding head assembly to be consistent with the lower glass edge of the glass in the Y-axis direction, enabling the grinding wheel of the grinding head assembly to be arranged above the upper surface of the glass, and taking a coordinate point of the grinding head assembly as an initial point;
moving the longitudinal adjusting component along the positive direction of the Y axis, wherein the moving distance is the distance E between the lower glass edge of the glass and the groove;
step four, the front glass edge of the glass passes through a stroke detection sensor, the stroke detection sensor sends out a signal, the lifting adjusting component receives the signal and moves downwards along the Z axis, the grinding wheel of the grinding head component rotating at a high speed contacts with the upper surface of the glass after a time delay T2, the grinding head component is used for grooving the glass, and the distance C between the front glass edge of the glass and the groove is controlled by setting the time T2;
fifthly, controlling the grinding wheel of the grinding head assembly to continuously move downwards along the Z axis by the lifting adjusting assembly, wherein the downwards moving distance is the glass depth G;
step six, the rear glass edge of the glass passes through a stroke detection sensor, the stroke detection sensor sends out a signal, the lifting adjusting component receives the signal and moves upwards, the grinding wheel of the grinding head component rotating at high speed is separated from the upper surface of the glass after a time delay T3, the grinding wheel returns to an initial point, and the distance D between the rear glass edge of the glass and the groove is controlled by setting time T3.
The third object of the invention is to provide a grooving error correction method for a grooving device of a glass edging machine, which can overcome errors caused by abrasion of a grinding wheel.
The third object of the present invention is achieved by:
the lifting adjusting component drives the grinding head component to lift and move in the vertical direction, the upward moving direction is the Z-axis forward direction, the lifting adjusting component comprises an encoder of a servo motor and a PLC, and the lifting adjusting component comprises the following steps:
step one, the waiting distance between the lower edge point of the grinding wheel and the upper surface of the glass can be manually adjusted during the machine adjustment, and after the machine adjustment is completed, a waiting working position signal H of the grinding wheel is read out through an encoder of a servo motor and stored in a PLC;
step two, the grinding wheel of the grinding head assembly slowly moves along the positive direction of the Z axis, and stops moving after the grinding wheel contacts an origin stop block, and a pre-abrasion position signal J of the grinding wheel is read out through an encoder of a servo motor and stored in a PLC;
step three, when the working is carried out for a period of time, the diameter of the grinding wheel is reduced, the action of the step two is repeated, and a worn position signal K of the grinding wheel is read out through an encoder of a servo motor and stored in the PLC;
step four, the electric program in the PLC can obtain the abrasion loss L of the grinding wheel by comparing the position model J before abrasion of the grinding wheel with the position signal K after abrasion;
and fifthly, the servo motor moves the waiting working position of the grinding wheel downwards from the position of the position signal H along the reverse direction of the Z axis by the abrasion L of the grinding wheel, so that the waiting distance of the lower edge point of the grinding wheel from the upper surface of the glass is restored to the original setting.
The first object of the invention has the following beneficial effects:
(1) According to the grooving device of the glass edging machine, the grinding head displacement adjusting mechanism is used for controlling the displacement of the grinding head assembly in the vertical direction and the front-rear direction of the frame, and the glass clamped by the synchronous belt conveying mechanism is displaced in the left-right direction, so that the grinding head assembly is used for processing grooves on the upper surface of the glass, and meanwhile, the pressure-bearing mechanism is used for bearing downward pressure generated when the grinding wheel is used for cutting the glass, so that the glass is prevented from being broken due to shearing force, and the yield of glass processing is improved.
(2) Secondly, by arranging the stroke detection sensor at the front end of the pressure-bearing mechanism, the time for processing glass by the grinding head assembly can be accurately controlled, so that the glass is positioned on the pressure-bearing mechanism when the grinding head assembly processes the glass.
(3) And the grinding head assembly, the synchronous belt conveying mechanism, the pressure-bearing mechanism and the grinding head displacement adjusting mechanism are respectively and electrically connected with the control device, so that the grooving device of the glass edging machine can achieve the purpose of automatically processing glass.
The second object of the present invention has the following beneficial effects:
according to the control method of the slotting device of the glass edging machine, the slotting position and the slotting size of the slotting device on glass are accurately controlled by selecting the size of the grinding wheel, controlling the moving distance of the moving longitudinal adjusting component along the positive direction of the Y axis, controlling the set time T2, controlling the moving distance of the lifting adjusting component along the negative direction of the Z axis and controlling the set time T3.
The third beneficial effect of the invention is as follows:
according to the grooving error correction method of the grooving device of the glass edging machine, the encoder and the PLC of the servo motor record the distances between the grinding wheel before abrasion and the upper surface of the glass and the origin stop block respectively at the initial points, the distances between the same initial point and the origin stop block of the grinding wheel after abrasion are measured, and the initial point of the grinding wheel after abrasion is determined again by comparing the distances between the grinding wheel before abrasion and the grinding wheel after abrasion and the distance between the grinding wheel after abrasion and the origin stop block respectively, so that the groove depth G on the glass is kept unchanged.
Drawings
Fig. 1 is a schematic view of a structure of glass processed by a grooving device of a glass edging machine according to the invention.
FIG. 2 is a schematic view of section B-B in FIG. 1.
Fig. 3 is a schematic front view of a grooving apparatus for a glass edge grinder according to the present invention.
Fig. 4 is an enlarged view at H in fig. 3.
Fig. 5 is an enlarged view of I in fig. 3.
Fig. 6 is a schematic top view of a grooving apparatus of the glass edging machine of the present invention.
Fig. 7 is a schematic view of the back surface structure of the grooving apparatus of the glass edging machine of the present invention.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings and examples:
referring to fig. 1 to 7, a grooving device of a glass edge grinding machine includes a control device 10, a frame 9, a synchronous belt conveying mechanism 2 disposed on the frame 9, a grinding head assembly 6, a grinding head displacement adjusting mechanism and a pressure-bearing mechanism 8, wherein the grinding head assembly 6 is fixed on the grinding head displacement adjusting mechanism, the pressure-bearing mechanism 8 and the grinding head displacement adjusting mechanism are respectively disposed on the frame 9 and are located on the same side of the synchronous belt conveying mechanism 2, the pressure-bearing mechanism 8 is adjacent to the synchronous belt conveying mechanism 2, and the grinding head assembly 6, the synchronous belt conveying mechanism 2, the pressure-bearing mechanism 8 and the grinding head displacement adjusting mechanism are respectively electrically connected with the control device 10.
The front end of the pressure-bearing mechanism 8 is provided with a travel detection sensor 7, the travel detection sensor 7 is electrically connected with the control device 10, the travel detection sensor 7 detects that glass walks to the pressure-bearing mechanism 8 and sends a signal to the control device 10, the control device 10 controls the grinding head displacement adjustment mechanism to displace, so that the grinding head assembly 6 performs grooving on the glass, and in the embodiment, the travel detection sensor 7 is preferably a travel switch.
The grinding head displacement adjusting mechanism comprises a longitudinal adjusting component 3 and a lifting adjusting component 4, wherein the longitudinal adjusting component 3 is arranged on a frame 9 in a longitudinal displacement mode, the grinding head component 6 is arranged on the lifting adjusting component 4 and is fixed on the longitudinal adjusting component 3 together, and the longitudinal adjusting component 3 and the lifting adjusting component 4 enable the grinding head component 6 to perform longitudinal displacement and lifting displacement.
The vertical adjusting component 3 comprises a hand wheel 31, a baffle 32, a screw 33, a bottom plate 34 and a sliding plate 36, wherein the bottom plate 34 is arranged on the frame 9, a race 35 is arranged between the bottom plate 34 and the frame 9 and used for adjusting a gap between the bottom plate 34 and the frame 9, the screw 33 is arranged on the upper portion of the bottom plate 34, the baffle 32 is arranged on the outer side of the bottom plate 34, the hand wheel 31 is arranged on the baffle 32, the hand wheel 31 is in threaded connection with the screw 33, the sliding plate 36 is in transmission connection with the screw 33, the lifting adjusting component 4 and the grinding head component 6 are arranged on the sliding plate 36 together, and the screw 33 is driven by the hand wheel 31 to enable the sliding plate 36 to slide along the screw 33.
The lifting adjusting assembly 4 comprises a servo motor 41, a shaft coupling 42, a fixing seat 43, a ball screw 44, a lifting seat 45, a linear sliding block 46, a linear guide rail 48 and a motor plate 47, wherein the fixing seat 43 is arranged at the top of the lifting seat 45 and is fixed on the sliding plate 36 of the longitudinal adjusting assembly 3 together, the ball screw 44 and the linear guide rail 48 are respectively arranged on the lifting seat 45 in a vertical mode, the motor plate 47 is arranged on the linear guide rail 48 in a sliding mode through the linear sliding block 46, the motor plate 47 is fixedly connected with a nut on the ball screw 44, the servo motor 41 is arranged on the fixing seat 43, an output shaft of the servo motor 41 is in transmission connection with the ball screw 44 through the shaft coupling 42, the servo motor 41 is electrically connected with the control device 10, the grinding head assembly 6 is fixed on the motor plate 47, and the control device 10 drives the shaft coupling 42 through the servo motor 41, so that the grinding head assembly 6 on the motor plate 47 can lift and move along the ball screw 44.
The grinding head assembly 6 comprises a grinding wheel seat 61, a grinding wheel 62 and a grinding head motor 63, the grinding head motor 63 is fixed on the motor plate 47 of the lifting adjusting assembly 4, the grinding wheel 62 is in transmission connection with the grinding head motor 63 through the grinding wheel seat 61, the grinding head motor 63 is electrically connected with the control device 10, the grinding wheel 62 is located above the pressure-bearing mechanism 8, and the control device 10 drives the grinding wheel 62 to rotate through the grinding head motor 63.
The synchronous belt conveying mechanism 2 comprises an upper synchronous belt 21, an upper synchronous belt pulley 22, an upper synchronous belt supporting frame 25, a lower synchronous belt 23, a lower synchronous belt pulley 24 and a lower synchronous belt supporting frame 26, wherein the upper synchronous belt 21 is wound on the upper synchronous belt pulley 22 and the upper synchronous belt supporting frame 25 to form an upper belt pulley combination, the lower synchronous belt 23 is wound on the lower synchronous belt pulley 24 and the lower synchronous belt supporting frame 26 to form a lower belt pulley combination, the upper belt pulley combination and the lower belt pulley combination are respectively arranged at upper and lower positions, a gap is reserved between the upper belt pulley combination and the lower belt pulley combination, the upper synchronous belt supporting frame 25 and the lower synchronous belt supporting frame 26 are fixed on the frame 9, the pressure-bearing mechanism 8 is arranged on one side of the lower belt pulley combination and is adjacent to each other, the pressure-bearing mechanism 8 extends along the length direction of the glass clamping section, and the height of the upper surface of the pressure-bearing mechanism 8 is the same as or similar to the height of the upper surface of the lower belt pulley combination.
An origin stop block 5 is arranged on the upper synchronous belt supporting frame 25 of the synchronous belt conveying mechanism 2, and the origin stop block 5 is positioned above the pressure bearing mechanism 8 and the grinding wheel 62.
The pressure-bearing mechanism 8 comprises a lower driving pulley 81, a lower driven pulley 83, a lower synchronous belt 82, a lower supporting block 84, a lower guide rail plate 85 and a lower tensioning pulley 86, wherein the lower driving pulley 81 is arranged on one side of the lower synchronous belt 24 and is connected with the lower driving pulley through threads so as to rotate together, the lower synchronous belt 82 is wound on the lower driving pulley 81, the lower guide rail plate 85, the lower driven pulley 83 and the lower tensioning pulley 86, the lower guide rail plate 85 is arranged on the lower supporting block 84, the lower supporting block 84 is fixedly connected with the lower synchronous belt support frame 26, the grinding wheel 62 is positioned above the lower synchronous belt 82, and the stroke detection sensor 7 is arranged at the front end of the lower synchronous belt 82.
The control method of the grooving device of the glass edging machine comprises the steps that glass is clamped by a synchronous belt conveying mechanism 2 to move horizontally at a constant speed, namely, the direction indicated by an arrow A, and the moving direction is the positive direction of an X axis; the longitudinal adjusting component 3 drives the lifting adjusting component 4 and the grinding head component 6 to horizontally move towards the synchronous belt conveying mechanism 2, and the moving direction is the Y-axis forward direction; the lifting adjusting component 4 drives the grinding head component 6 to lift and move in the vertical direction, and the upward moving direction is the Z-axis forward direction; the method comprises the following steps:
selecting an appropriate grinding wheel 62 of the grinding head assembly 6, wherein the width of the grinding wheel 62 is consistent with the width F of a groove formed in glass;
step two, the longitudinal adjusting component 3 and the lifting adjusting component 4 are moved so that the grinding wheel 62 of the grinding head component 6 is consistent with the lower glass edge of the glass in the Y-axis direction, the grinding wheel 62 of the grinding head component 6 is arranged above the upper surface of the glass, and a coordinate point of the grinding head component 6 is taken as an initial point;
moving the longitudinal adjustment assembly 3 to move along the Y-axis forward direction, wherein the moving distance is the distance E between the lower glass edge of the glass and the groove;
step four, the front glass edge of the glass passes through a stroke detection sensor 7, the stroke detection sensor 7 sends out a signal, the lifting adjustment assembly 4 receives the signal and moves downwards along the Z axis, the grinding wheel 62 of the grinding head assembly 6 rotating at a high speed after a time delay T2 contacts with the upper surface of the glass, the grinding head assembly 6 is used for grooving the glass, and the distance C between the front glass edge of the glass and the groove is controlled by setting time T2;
fifthly, the lifting adjusting assembly 4 controls the grinding wheel 62 of the grinding head assembly 6 to continuously move downwards along the Z axis, and the downwards moving distance is the glass depth G;
step six, the rear glass edge of the glass passes through the travel detection sensor 7, the travel detection sensor 7 sends out a signal, the lifting adjustment assembly 4 receives the signal and moves upwards, the grinding wheel 62 of the grinding head assembly 6 rotating at a high speed after a period of time T3 is separated from the upper surface of the glass, and returns to an initial point, and the distance D between the rear glass edge of the glass and the groove is controlled by setting the time T3.
The grooving error correction method of a grooving device of a glass edging machine comprises the following steps that a lifting adjusting component 4 drives a grinding head component 6 to lift and move in the vertical direction, the upward moving direction is the Z-axis forward direction, and the lifting adjusting component 4 comprises an encoder of a servo motor 41 and a PLC (programmable logic controller), and comprises the following steps:
step one, the waiting distance between the lower edge point of the grinding wheel 62 and the upper surface of the glass can be manually adjusted during the machine adjustment, and after the machine adjustment is completed, a waiting working position signal H of the grinding wheel 62 is read out through an encoder of the servo motor 41 and stored in a PLC;
step two, the grinding wheel 62 of the grinding head assembly 6 slowly moves along the positive direction of the Z axis, and stops moving after the grinding wheel 62 contacts the origin stop 5, and a pre-abrasion position signal J of the grinding wheel 62 is read out by an encoder of the servo motor 41 and stored in the PLC;
step three, when the working is carried out for a period of time, the diameter of the grinding wheel 62 is reduced, the action of the step two is repeated, and the worn position signal K of the grinding wheel 62 is read out through the encoder of the servo motor 41 and stored in the PLC;
step four, the electric program in the PLC can obtain the abrasion loss L of the grinding wheel 62 by comparing the position model J before abrasion of the grinding wheel 62 with the position signal K after abrasion;
step five, the servo motor 41 moves the waiting work position of the grinding wheel 62 downward from the position of the position signal H by the abrasion amount L of the grinding wheel 62 in the reverse direction of the Z axis, thereby restoring the waiting distance of the lower edge point of the grinding wheel 62 from the upper surface of the glass to the original setting.
Claims (6)
1. The grooving error correction method of the grooving device of the glass edging machine comprises a control device (10), a frame (9) and a synchronous belt conveying mechanism (2) arranged on the frame (9), and is characterized by further comprising a grinding head assembly (6), a grinding head displacement adjusting mechanism and a pressure-bearing mechanism (8), wherein the grinding head assembly (6) is fixed on the grinding head displacement adjusting mechanism, the pressure-bearing mechanism (8) and the grinding head displacement adjusting mechanism are respectively arranged on the frame (9) and are positioned on the same side of the synchronous belt conveying mechanism (2), the pressure-bearing mechanism (8) is adjacent to the synchronous belt conveying mechanism (2), and the grinding head assembly (6), the synchronous belt conveying mechanism (2), the pressure-bearing mechanism (8) and the grinding head displacement adjusting mechanism are respectively electrically connected with the control device (10);
the front end of the pressure-bearing mechanism (8) is provided with a stroke detection sensor (7), the stroke detection sensor (7) is electrically connected with the control device (10), the stroke detection sensor (7) detects that glass walks to the pressure-bearing mechanism (8) and sends a signal to the control device (10), and the control device (10) controls the grinding head displacement adjusting mechanism to displace so that the grinding head assembly (6) can process the glass in a slotting mode;
the grinding head displacement adjusting mechanism comprises a longitudinal adjusting component (3) and a lifting adjusting component (4), wherein the longitudinal adjusting component (3) is arranged on a frame (9) in a longitudinal displacement mode, the grinding head component (6) is arranged on the lifting adjusting component (4) and is fixed on the longitudinal adjusting component (3) together, and the longitudinal adjusting component (3) and the lifting adjusting component (4) enable the grinding head component (6) to perform longitudinal displacement and lifting displacement;
the synchronous belt conveying mechanism (2) comprises an upper synchronous belt (21), an upper synchronous belt wheel (22), an upper synchronous belt supporting frame (25), a lower synchronous belt (23), a lower synchronous belt wheel (24) and a lower synchronous belt supporting frame (26), wherein the upper synchronous belt (21) is wound on the upper synchronous belt wheel (22) and the upper synchronous belt supporting frame (25) to form an upper belt wheel combination, the lower synchronous belt (23) is wound on the lower synchronous belt wheel (24) and the lower synchronous belt supporting frame (26) to form a lower belt wheel combination, the upper belt wheel combination and the lower belt wheel combination are respectively arranged at upper and lower positions, a gap is reserved between the upper belt wheel combination and the lower belt wheel combination, the gap forms a glass clamping and conveying section, the pressure-bearing mechanism (8) is arranged at one side of the lower belt wheel combination and is adjacent to each other, the pressure-bearing mechanism (8) extends along the length direction of the glass clamping and conveying section, and the height of the upper surface of the pressure-bearing mechanism (8) is the same as or similar to the height of the upper surface of the lower belt wheel combination. An origin block (5) is arranged on an upper synchronous belt supporting frame (25) of the synchronous belt conveying mechanism (2), and the origin block (5) is positioned above the pressure-bearing mechanism (8) and a grinding wheel (62) of the grinding head assembly (6);
the lifting adjusting assembly (4) drives the grinding head assembly (6) to lift and move in the vertical direction, the upward moving direction is the Z-axis positive direction, the lifting adjusting assembly (4) comprises an encoder of a servo motor (41) and a PLC, and the lifting adjusting assembly comprises the following steps:
step one, the waiting distance between the lower edge point of the grinding wheel and the upper surface of the glass can be manually adjusted during the machine adjustment, and after the machine adjustment is completed, a waiting working position signal H of the grinding wheel (62) is read out through an encoder of a servo motor (41) and stored in a PLC;
step two, the grinding wheel (62) of the grinding head assembly (6) slowly moves along the positive direction of the Z axis, the grinding wheel (62) stops moving after contacting the origin stop block (5), and a pre-abrasion position signal J of the grinding wheel (62) is read out through an encoder of the servo motor (41) and stored in the PLC;
step three, when the grinding wheel (62) is in a working period, the diameter of the grinding wheel is reduced, the action of the step two is repeated, and a worn position signal K of the grinding wheel (62) is read out through an encoder of a servo motor (41) and stored in a PLC;
step four, the electric program in the PLC can obtain the abrasion loss L of the grinding wheel (62) by comparing the position model J before abrasion of the grinding wheel (62) with the position signal K after abrasion;
fifthly, the servo motor (41) moves the abrasion amount L of the grinding wheel (62) downwards along the reverse direction of the Z axis from the position of the position signal H at the waiting working position of the grinding wheel (62), so that the waiting distance of the lower edge point of the grinding wheel (62) from the upper surface of the glass is restored to the original setting.
2. The grooving error correction method of the grooving device of the glass edge grinding machine according to claim 1, wherein the longitudinal adjustment assembly (3) comprises a hand wheel (31), a baffle plate (32), a screw rod (33), a bottom plate (34) and a sliding plate (36), the bottom plate (34) is arranged on the frame (9), the screw rod (33) is arranged on the upper portion of the bottom plate (34), the baffle plate (32) is arranged on the outer side of the bottom plate (34), the hand wheel (31) is arranged on the baffle plate (32), the hand wheel (31) is in threaded connection with the screw rod (33), the sliding plate (36) is in transmission connection with the screw rod (33), the lifting adjustment assembly (4) and the grinding head assembly (6) are arranged on the sliding plate (36) together, and the screw rod (33) is driven by the hand wheel (31) to enable the sliding plate (36) to slide along the screw rod (33).
3. The grooving error correction method for the grooving device of the glass edging machine according to claim 2, characterized in that the lifting adjusting component (4) comprises a servo motor (41), a shaft coupling (42), a fixing seat (43), a ball screw (44), a lifting seat (45), a linear sliding block (46), a linear guide rail (48) and a motor plate (47), wherein the fixing seat (43) is arranged on the top of the lifting seat (45) and is fixed on a sliding plate of the longitudinal adjusting component (3) together, the ball screw (44) and the linear guide rail (48) are respectively arranged on the lifting seat (45) in a vertical mode, the motor plate (47) is arranged on the linear guide rail (48) in a sliding mode through the linear sliding block (46), a nut on the motor plate (47) and the ball screw (44) is fixedly connected, the fixing seat (43) is provided with the servo motor (41), an output shaft of the servo motor (41) is in transmission connection with the ball screw (44) through the shaft coupling (42), the servo motor (41) is electrically connected with a control device (10), the motor component (6) is fixed on the shaft coupling device (41) through the coupling (42), the grinding head assembly (6) on the motor plate (47) is lifted and moved along the ball screw (44).
4. A grooving error correction method for a grooving device of a glass edging machine according to claim 3, characterized in that the grinding head assembly (6) comprises a grinding wheel seat (61), a grinding wheel (62) and a grinding head motor (63), the grinding head motor (63) is fixed on a motor plate of the lifting adjusting assembly (4), the grinding wheel (62) is in transmission connection with the grinding head motor (63) through the grinding wheel seat (61), the grinding head motor (63) is electrically connected with a control device (10), the grinding wheel (62) is positioned above the pressure-bearing mechanism (8), and the control device (10) drives the grinding wheel (62) to rotate through the grinding head motor (63).
5. The grooving error correction method of the grooving device of the glass edging machine according to claim 4, characterized in that the pressure-bearing mechanism (8) comprises a lower driving pulley (81), a lower driven pulley (83), a lower synchronous belt (82), a lower supporting block (84), a lower guide rail plate (85) and a lower tensioning pulley (86), the lower driving pulley (81) is arranged on one side of the lower synchronous pulley (24) and is connected with the lower driving pulley and the lower driving pulley through threads so as to rotate together, the lower synchronous belt (82) is wound on the lower driving pulley (81), the lower guide rail plate (85), the lower driven pulley (83) and the lower tensioning pulley (86), the lower guide rail plate (85) is arranged on the lower supporting block (84), the lower supporting block (84) is fixedly connected with the lower synchronous belt supporting frame (26), the grinding wheel is arranged above the lower synchronous belt (82), and the stroke detection sensor (7) is arranged at the front end of the lower synchronous belt (82).
6. The method for correcting a grooving error of a grooving apparatus for a glass edging machine according to claim 5, characterized in that the glass is horizontally moved at a constant speed by being held by a timing belt conveying mechanism (2) in a direction of positive X-axis; the longitudinal adjusting component (3) drives the lifting adjusting component (4) and the grinding head component (6) to horizontally move towards the synchronous belt conveying mechanism (2), and the moving direction is the Y-axis positive direction; the lifting adjusting component (4) drives the grinding head component (6) to lift and move in the vertical direction, and the upward moving direction is the Z-axis positive direction; the method comprises the following steps:
selecting a grinding wheel (62) of a proper grinding head assembly (6), wherein the width of the grinding wheel (62) is consistent with the width F of a groove formed in glass;
moving the longitudinal adjusting assembly (3) and the lifting adjusting assembly (4) to enable the grinding wheel (62) of the grinding head assembly (6) to be consistent with the lower glass edge of the glass in the Y-axis direction, wherein the grinding wheel (62) of the grinding head assembly (6) is arranged above the upper surface of the glass, and a coordinate point of the grinding head assembly (6) is taken as an initial point;
moving the longitudinal adjusting component (3) along the positive direction of the Y axis, wherein the moving distance is the distance E between the lower glass edge of the glass and the groove;
step four, the front glass edge of the glass passes through a stroke detection sensor (7), the stroke detection sensor (7) sends out a signal, the lifting adjustment assembly (4) receives the signal and moves downwards along the Z axis, the grinding wheel (62) of the grinding head assembly (6) rotating at a high speed after a period of time T2 contacts with the upper surface of the glass, the grinding head assembly (6) is used for grooving the glass, and the distance C between the front glass edge of the glass and the groove is controlled by setting the time T2;
fifthly, the lifting adjusting assembly (4) controls the grinding wheel (62) of the grinding head assembly (6) to continuously move downwards along the Z axis, and the downwards moving distance is the glass depth G;
step six, the rear glass edge of the glass is separated from the upper surface of the glass by a travel detection sensor (7), the travel detection sensor (7) sends out a signal, the lifting adjusting component (4) receives the signal and moves upwards, the grinding wheel (62) of the grinding head component (6) rotating at a high speed after a time delay T3 is separated from the upper surface of the glass, the grinding wheel returns to an initial point, and the distance D between the rear glass edge of the glass and the groove is controlled by a set time T3.
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| CN109571247B (en) * | 2018-12-30 | 2023-09-22 | 浙江德迈机械有限公司 | CNC grinding head system of edge grinding machine |
| TWI739569B (en) * | 2019-09-06 | 2021-09-11 | 明達醫學科技股份有限公司 | Method of calibrating eyeglass lens processing apparatus |
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Address after: 528300, No. 11, Cheng Cheng Road, Daliang street, Shunde District, Guangdong, Foshan Applicant after: GUANGDONG GAOLIWEI MACHINERY TECHNOLOGY Co.,Ltd. Address before: 528300, No. 11, Cheng Cheng Road, Daliang street, Shunde District, Guangdong, Foshan Applicant before: FOSHAN SHUNDE GOLIVE GLASS MACHINERY CO.,LTD. |
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