CN216246082U

CN216246082U - A accurate thickness measuring device for edging machine

Info

Publication number: CN216246082U
Application number: CN202122785783.7U
Authority: CN
Inventors: 翁杰; 罗超东; 罗思易; 杨钢
Original assignee: Guangdong Chengang Intelligent Technology Co ltd
Current assignee: Guangdong Chengang Intelligent Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-08
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a precise thickness measuring device for an edge grinding machine, which comprises a magnetic grid ruler sensor, a magnetic grid ruler sensor and a magnetic head, wherein the magnetic grid ruler sensor comprises a magnetic ruler and a magnetic reading head; the glass plate glass sealing device is characterized by further comprising an upper contact assembly and a lower contact assembly, wherein the upper contact assembly is provided with an upper contact which is used for being in contact with the upper surface of the glass plate, the lower contact assembly is provided with a lower contact which is used for being in contact with the lower surface of the glass plate, the upper contact and the lower contact are arranged correspondingly in position, and the upper contact and the lower contact are arranged in a linear sliding mode along the vertical direction; the magnetic scale is fixedly connected with the upper contact relatively, the magnetic reading head is fixedly connected with the lower contact relatively, and the magnetic scale is connected with the magnetic reading head in a leaning and leaning manner. The thickness measuring device is simple and precise in structure and high in measuring precision, and is beneficial to improving the processing precision of the edge grinding machine.

Description

A accurate thickness measuring device for edging machine

Technical Field

The utility model relates to the field of thickness measuring devices for measuring the thickness of a glass plate of an edge grinding machine, in particular to a precise thickness measuring device for the edge grinding machine.

Background

At present, the edge grinding machine is used for grinding the edge part of a glass plate, in order to avoid scratching a user by the glass plate, the edge part of the glass plate needs to be chamfered by an inclined grinding wheel, so the glass plates with different thicknesses need to correspondingly adjust the height position of the grinding wheel, the edge grinding machine in the prior art is provided with a thickness measuring device, the thickness measuring device is provided with a magnetic grid ruler sensor and a contact, a magnetic ruler of the magnetic grid ruler sensor is fixedly arranged, and a reading head of the magnetic grid ruler sensor is relatively fixed with the contact. The control system records the total displacement value of the contact head moving downwards from the highest position to the upper surface of the conveying belt in advance, the glass plate is supported by the conveying belt of the edge grinding machine, when the thickness of the glass plate is measured, the contact head moves downwards to contact the upper surface of the glass plate, so the reading head can read the actual downward displacement value of the contact head, the control system subtracts the actual downward displacement value from the total displacement value to obtain the thickness value of the glass plate, however, because the thickness of the conveying belt is not uniform, in the circulating operation process of the conveying belt, for example, when the glass plate is supported by the thicker part of the conveying belt in a contact mode, the thickness value of the glass plate calculated by the control system is larger, and the precision of processing chamfering is influenced, so the thickness measuring device in the prior art needs to be improved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a precise thickness measuring device for an edge grinding machine, which is beneficial to improving the processing precision of the edge grinding machine.

The purpose of the utility model is realized by the following technical scheme.

The utility model discloses a precise thickness measuring device for an edge grinding machine, which comprises a magnetic grid ruler sensor, wherein the magnetic grid ruler sensor comprises a magnetic ruler and a read head; the glass plate contact device comprises a glass plate, and is characterized by further comprising an upper contact assembly and a lower contact assembly, wherein the upper contact assembly is provided with an upper contact used for being in contact with the upper surface of the glass plate, the lower contact assembly is provided with a lower contact used for being in contact with the lower surface of the glass plate, the upper contact and the lower contact are arranged in a position corresponding to each other, and the upper contact and the lower contact are arranged in a linear sliding manner along the vertical direction; the magnetic scale is fixedly connected with the upper contact relatively, the magnetic reading head is fixedly connected with the lower contact relatively, and the magnetic scale is attached to the magnetic reading head.

Preferably, the first cylinder is arranged in parallel with the second cylinder.

Preferably, the cylinder device is equipped with linear guide, top shoe and lower slider, the top shoe reaches the lower slider with linear guide sliding connection, it is equipped with slide and magnetic scale backup pad to go up the contact subassembly, go up the contact with go up slide erection joint, the magnetic scale backup pad with go up slide erection joint, the magnetic scale with the magnetic scale backup pad pastes and leans on relatively fixed connection, the lower contact subassembly is equipped with slide and read head support down, the lower contact with lower slide erection joint, read head support with lower slide erection joint, read the head install on the read head support, it installs to go up the slide on the top shoe, the slide is installed down on the lower slider, first cylinder drive is connected the top shoe, second cylinder drive is connected the slider down.

Preferably, a counter bore is formed in the lower end face of the upper contact, the upper end face of the upper contact is connected with the upper sliding seat in an attached mode, an inner hexagonal screw is correspondingly installed in the counter bore, and the inner hexagonal screw is installed with the upper sliding seat in a threaded mode.

Preferably, the upper contact and the lower contact are both nylon contacts.

Compared with the prior art, the utility model has the beneficial effects that: the glass plate is provided with an upper contact assembly and a lower contact assembly, the upper contact assembly is provided with an upper contact which is used for contacting with the upper surface of the glass plate, the lower contact assembly is provided with a lower contact which is used for contacting with the lower surface of the glass plate, the upper contact and the lower contact are arranged correspondingly, and the upper contact and the lower contact are arranged in a linear sliding mode along the vertical direction; the cylinder device is provided with a first cylinder and a second cylinder, the first cylinder is used for driving the upper contact, the second cylinder is used for driving the lower contact, the magnetic scale is relatively and fixedly connected with the upper contact, the magnetic reading head is relatively and fixedly connected with the lower contact, and the magnetic scale is connected with the magnetic reading head in an attached mode, so that the upper contact and the lower contact can be attached to the glass plate independently, the thickness measuring device is favorable for enabling the thickness measuring precision of the glass plate to be high, and the processing precision of the edge grinding machine is improved.

Drawings

Fig. 1 is a schematic perspective view of a thickness measuring device according to the present invention.

Fig. 2 is an exploded view of the thickness measuring device of the present invention.

Fig. 3 is a right-side view structural schematic diagram of the combination of the thickness measuring device and the glass plate.

FIG. 4 is a schematic view showing a state where the thickness measuring apparatus of the present invention measures the thickness of a glass sheet.

Fig. 5 is a schematic view of the gas path principle of the cylinder device of the present invention.

Fig. 6 is a bottom perspective view of the upper contact of the present invention.

Description of reference numerals: 1-a magnetic scale sensor; 11-a magnetic scale; 12-a read head; 2-an upper contact assembly; 21-an upper slide; 22-magnetic scale support plate; 23-an upper contact; 2301-counter bore; 3-a lower contact assembly; 31-a lower slide; 32-a read head support; 33-lower contact; 4-a cylinder device; 41-a first cylinder; 42-a second cylinder; 43-linear guide; 44-upper slide block; 45-lower slide block; 5-cylinder mounting base; 6-electromagnetic valve; 99-glass plate; 98-conveying belt.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The utility model discloses a precise thickness measuring device for an edge grinding machine, which comprises a magnetic grid ruler sensor 1 as shown in figures 1 and 2, wherein the magnetic grid ruler sensor 1 comprises a magnetic ruler 11 and a read head 12, the magnetic grid ruler sensor 1 belongs to the prior art, magnetization signals with equal intervals are recorded on the magnetic ruler 11, the read head 12 is used for moving on the magnetic ruler 11 to read the magnetization signals, the read head 12 reads the magnetization signals on the magnetic ruler 11 and converts the magnetization signals into electric signals to be transmitted to a detection circuit, so that displacement measurement is realized, and the magnetic grid ruler sensor 1 is electrically connected with a control system of the edge grinding machine. As shown in fig. 1 to 3, the thickness measuring device of the present invention further includes an upper contact assembly 2 and a lower contact assembly 3, wherein the upper contact assembly 2 is provided with an upper contact 23 for contacting with the upper surface of the glass plate 99, the lower contact assembly 3 is provided with a lower contact 33 for contacting with the lower surface of the glass plate 99, the upper contact 23 and the lower contact 33 are arranged in correspondence, the upper contact 23 and the lower contact 33 are arranged to slide linearly in the vertical direction, that is, the upper contact 23 and the lower contact 33 can move up and down respectively. As shown in fig. 1 and 5, the thickness measuring device of the present invention further includes an air cylinder device 4, the air cylinder device 4 is provided with a first air cylinder 41 and a second air cylinder 42, the first air cylinder 41 is connected to the upper contact 23 in a driving manner, the second air cylinder 42 is connected to the lower contact 33 in a driving manner, the magnetic scale 11 is relatively fixedly connected to the upper contact 23, the magnetic read head 12 is relatively fixedly connected to the lower contact 33, and the magnetic scale 11 is connected to the magnetic read head 12 in an abutting manner.

Before the thickness detection of the glass plate 99 is carried out, the upper contact 23 and the lower contact 33 which are in an open state and shown in fig. 3 are respectively driven to the position where the upper contact 23 is directly contacted with the lower contact 33, and the control system records the total relative displacement value of the magnetic reading head 12 and the magnetic scale 11; as shown in fig. 3, the glass plate 99 is supported and transferred by the conveyor belt 98, the upper contact 23 is held above the glass plate 99 by the first cylinder 41, the lower contact 33 is held below the glass plate 98 by the second cylinder 42, so that the glass plate 99 can pass horizontally between the upper contact 23 and the lower contact 33, when the thickness of the glass plate 99 is measured, the glass plate 99 stops moving, the first cylinder 41 drives the upper contact 23 to move downwards, the second cylinder 42 drives the lower contact 33 to move upwards, as shown in fig. 4, so that the upper contact 23 contacts the upper surface of the glass plate 99 and the lower contact 33 contacts the lower surface of the glass plate 99, in the above process, the control system records the actual relative displacement value of the magnetic scale 11 and the magnetic reading head 12, the control system subtracts the actual relative displacement value from the above total relative displacement value to obtain the actual thickness value of the glass plate 99, because the upper contact 23 and the lower contact 33 can be respectively and independently attached to the glass plate 99, therefore, the measured value of the thickness measuring device is not influenced by the thickness of the conveying belt 98, so that the measuring precision is high, and the processing precision of the edge grinding machine is improved.

Further, as shown in fig. 5, the first cylinder 41 and the second cylinder 42 are disposed in parallel, the electromagnetic valve 6 may be disposed to connect the first cylinder 41 and the second cylinder 42, and the electromagnetic valve 6 may be a two-position five-way electromagnetic valve, so that when the electromagnetic valve 6 is reversed, the first cylinder 41 and the second cylinder 42 can move simultaneously, more specifically, the first cylinder 41 drives the upper contact 23 to move down, and the second cylinder 42 drives the lower contact 33 to move up, if the lower contact 33 first contacts with the lower surface of the glass plate 99, due to the gravity of the glass plate 99 and the downward pressure of the pressing wheel of the edge grinding machine for pressing on the glass plate 99, the glass plate 99 can be prevented from being jacked up by the lower contact 33, in other words, the glass plate 99 can limit the lower contact 33, and immediately, the upper contact 23 reaches the upper surface of the glass plate 99, the first cylinder 41 and the second cylinder 42 can be set to the same specification, therefore, the thrust of the first cylinder 41 to the glass plate 99 is balanced with the thrust of the second cylinder 42 to the glass plate 99, and the glass plate 99 can be kept attached to the conveying belt 98 under the action of gravity of the glass plate 99, and the first cylinder 41 and the second cylinder 42 are arranged in parallel, so that the actions of the first cylinder 41 and the second cylinder 42 can be conveniently and quickly controlled.

Further, as shown in fig. 1 to 3, the cylinder device 4 is provided with a linear guide rail 43, an upper slider 44 and a lower slider 45, the upper slider 44 and the lower slider 45 are slidably connected with the linear guide rail 43, the upper contact assembly 2 is provided with an upper slider 21 and a magnetic scale support plate 22, the upper contact 23 is mounted and connected with the upper slider 21, in other words, the upper contact 23 is relatively fixedly connected with the upper slider 21, the magnetic scale support plate 22 is mounted and connected with the upper slider 21 by corresponding screws, the magnetic scale 11 can be attached and relatively fixedly connected with the magnetic scale support plate 22 by glue, the lower contact assembly 3 is provided with a lower slider 31 and a read head holder 32, the lower contact 33 is mounted and connected with the lower slider 31, the read head holder 32 can be a sheet metal part, the read head holder 32 is mounted and connected with the lower slider 31 by corresponding screws, the read head 12 is mounted on the read head holder 32 by corresponding screws, and downward in the visual direction of fig. 1, the read head 12 is specifically located at the rear side of the read head support 32, the upper slider 21 is mounted on the upper slider 44 through a corresponding screw, the lower slider 31 is mounted on the lower slider 45 through a corresponding screw, the first cylinder 41 is driven to connect the upper slider 44, the second cylinder 42 is driven to connect the lower slider 45, that is, the first cylinder 41 can drive the upper slider 44 to move up and down, the second cylinder 42 can drive the lower slider 45 to move up and down, and by arranging the linear guide rail 43, the upper slider 44 and the lower slider 45, the detection precision is prevented from being affected by the looseness of the upper contact 23 or the lower contact 33.

More specifically, as shown in fig. 2, the cylinder device 4 can be made by modifying a finger sliding table cylinder (also called a "thin finger cylinder" or a "thin pneumatic finger") in the prior art, which is beneficial to reducing the production cost, and the specific modification operation is as follows: please refer to the "thin finger cylinder" of chinese utility model publication No. CN208417127U, in which the "central gear" of the utility model CN208417127U is removed, so as to remove the synchronous connection between the "piston shaft a" and the "piston shaft B", and the cylinder device 4 of the present invention can be quickly manufactured by modifying the finger sliding table cylinder on the market through the above-mentioned modification operation. For example, the finger slide cylinder may be modified from "HFD" series "thin pneumatic fingers" available from "alder" company, so that the upper and

lower sliders

44 and 45 of the present invention are respectively connected to the corresponding piston shafts of the finger slide cylinder, and the linear guide 43 of the present invention is provided on the housing of the finger slide cylinder. As shown in fig. 1, the cylinder device 4 may be mounted on a cylinder mounting base 5 by corresponding screws, and the cylinder mounting base 5 is used for being mounted on a frame of an edge grinding machine.

Further, as shown in fig. 6, a counter bore 2301 is formed at the lower end surface of the upper contact 23, as shown in fig. 1, the upper end surface of the upper contact 23 is attached to the upper slide base 21, a socket head cap screw is correspondingly and fittingly installed in the counter bore 2301, the socket head cap screw is threadedly installed with the upper slide base 21, the upper contact 23 may be cylindrical in shape, the counter bore 2301 is coaxially installed with the outer cylindrical surface of the upper contact 23, so that the upper contact 23 and the upper slide base 21 can be easily fixed relative to each other, and similarly, the lower contact 33 may also be fixed relative to the lower slide base 31 by the installation method described above.

Furthermore, since the upper contact 23 and the lower contact 33 are both nylon contacts, the upper contact 23 or the lower contact 33 is prevented from scratching the glass plate 99, and the upper contact 23 and the lower contact 33 are prevented from being easily elastically deformed to affect the detection accuracy of the thickness measuring device of the present invention.

Claims

1. A precise thickness measuring device for an edge grinding machine comprises a magnetic grid ruler sensor (1), wherein the magnetic grid ruler sensor (1) comprises a magnetic ruler (11) and a read head (12); the method is characterized in that: the glass plate contact device is characterized by further comprising an upper contact assembly (2) and a lower contact assembly (3), wherein the upper contact assembly (2) is provided with an upper contact (23) which is used for being in contact with the upper surface of the glass plate (99), the lower contact assembly (3) is provided with a lower contact (33) which is used for being in contact with the lower surface of the glass plate (99), the upper contact (23) and the lower contact (33) are arranged in a corresponding position, and the upper contact (23) and the lower contact (33) are arranged in a linear sliding mode along the vertical direction; still include cylinder device (4), cylinder device (4) are equipped with first cylinder (41) and second cylinder (42), first cylinder (41) drive connection go up contact (23), second cylinder (42) drive connection lower contact (33), magnetic scale (11) with go up contact (23) relatively fixed connection, read head (12) with lower contact (33) relatively fixed connection, magnetic scale (11) with read head (12) are leaned on and are connected.

2. The precision thickness measuring device for the edge grinding machine according to claim 1, characterized in that: the first cylinder (41) is arranged in parallel with the second cylinder (42).

3. The precision thickness measuring device for the edge grinding machine according to claim 1, characterized in that: cylinder device (4) are equipped with linear guide (43), last slider (44) and lower slider (45), slider (44) reaches down slider (45) with linear guide (43) sliding connection, it is equipped with slide (21) and magnetic scale backup pad (22) to go up contact subassembly (2), go up contact (23) with last slide (21) erection joint, magnetic scale backup pad (22) with last slide (21) erection joint, magnetic scale (11) with magnetic scale backup pad (22) pastes and leans on relatively fixed connection, lower contact subassembly (3) are equipped with down slide (31) and read head support (32), lower contact (33) with slide (31) erection joint down, read head support (32) with slide (31) erection joint down, read head (12) are installed read on head support (32), the upper sliding seat (21) is installed on the upper sliding block (44), the lower sliding seat (31) is installed on the lower sliding block (45), the first air cylinder (41) is in driving connection with the upper sliding block (44), and the second air cylinder (42) is in driving connection with the lower sliding block (45).

4. The precision thickness measuring device for the edge grinding machine according to claim 3, characterized in that: the lower end face of the upper contact (23) is provided with a counter bore (2301), the upper end face of the upper contact (23) is connected with the upper sliding seat (21) in an attached mode, an inner hexagon screw is correspondingly installed in the counter bore (2301), and the inner hexagon screw is installed with the upper sliding seat (21) in a threaded mode.

5. The precision thickness measuring device for the edge grinding machine according to claim 1, characterized in that: the upper contact (23) and the lower contact (33) are both nylon contacts.