A green brick height limiting detection device

Abstract

This invention relates to the field of ceramic tile production technology and discloses a brick blank height limit detection device. The brick blank height limit detection device provided by this invention includes a transmitting component and a receiving component. Operators can pre-install through-beam photoelectric sensors for detecting different types of brick blanks on the first and second turntables according to actual conditions. When a certain set of through-beam photoelectric sensors is needed, only the first and second adjustment structures need to be driven to rotate the corresponding transmitter and receiver to the working position. This is convenient and quick, and the ceramic tile production line does not need to be stopped for a long time for replacement, which has little impact on production and meets the production needs of different types of ceramic tiles.

Description

Technical Field

[0001] This invention relates to the field of ceramic tile production technology, and in particular to a device for detecting the height limit of ceramic tile blanks. Background Technology

[0002] After being pressed and formed, the brick blanks undergo a series of processes including sintering and drying, glazing, inkjet printing, kiln firing, and edge grinding to become ceramic tiles. Glazed brick blanks are then conveyed to the inkjet printer via a transport line, where inkjet printing is applied to the upper surface of the brick blank to create patterns and colors. Because the printhead of the inkjet printer is very close to the upper surface of the brick blank during printing, if the thickness of the conveyed brick blank exceeds the set range, the brick blank may collide with the printhead, causing damage and requiring high repair costs. Therefore, existing technology typically uses a set of through-beam photoelectric sensors to detect the height limit of the brick blank, preventing excessively thick brick blanks from entering the inkjet printer. However, each time a different type of brick blank is processed, the height of the through-beam photoelectric sensor needs to be adjusted promptly by the operator. This adjustment process takes considerable time to align the transmitter and receiver to ensure the receiver can successfully receive the detection light, potentially disrupting the normal operation of the ceramic tile production line. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a brick blank height limit detection device, which aims to quickly adjust a suitable through-beam photoelectric sensor to the working position.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A brick blank height limit detection device includes an electrical control box, a symmetrically arranged transmitting assembly and receiving assembly. The transmitting assembly includes a first support plate, a first rotating shaft rotatably mounted on the first support plate, a first turntable fixedly sleeved on the first rotating shaft, and a first adjustment structure for adjusting the rotation angle of the first rotating shaft. The receiving assembly includes a second support plate, a second rotating shaft rotatably mounted on the second support plate, a second turntable fixedly sleeved on the second rotating shaft, and a second adjustment structure for adjusting the rotation angle of the second rotating shaft. The first turntable has a plurality of axially extending first right-angled slots evenly arranged circumferentially on its circumferential surface. Each first right-angled slot has a transmitter of a through-beam photoelectric sensor on its sidewall; the heights of the transmitters are different. The second turntable has a plurality of axially extending second right-angled slots evenly arranged circumferentially on its circumferential surface. Each second right-angled slot has a receiver corresponding to a transmitter on its sidewall. The electrical control box is electrically connected to all the transmitters and receivers of the through-beam photoelectric sensors.

[0006] As a further improvement to the above-mentioned technical method, the first adjustment structure includes a first adjustment disk and a first pin. One end of the first rotating shaft is a polygonal prism and extends out of the first support plate. The first adjustment disk is sleeved on the polygonal prism end of the first rotating shaft. The first adjustment disk is provided with a plurality of first positioning holes, the number of the first positioning holes and their circumferential positions corresponding to the transmitter. A first insertion hole is provided on the first support plate to cooperate with the first positioning hole for positioning. The first adjustment disk is positioned by the first pin passing through one of the first positioning holes and the first insertion hole.

[0007] As a further improvement to the above-mentioned technical method, the second adjustment structure includes a second adjustment disc and a second pin. One end of the second rotating shaft is a polygonal prism and extends out of the second support plate. The second adjustment disc is sleeved on the polygonal prism end of the second rotating shaft. The second adjustment disc is provided with a plurality of second positioning holes, the number of which and their circumferential positions correspond to the receiver. A second insertion hole is provided on the second support plate to cooperate with the second positioning hole for positioning. The second adjustment disc is positioned by the second pin passing through one of the second positioning holes and the second insertion hole.

[0008] As a further improvement to the above-mentioned technical method, the transmitter is mounted on the first turntable by a first adjusting support plate and a first locking screw, and the first adjusting support plate has a vertically extending elongated hole.

[0009] As a further improvement to the above-mentioned technical method, a first slot is provided on the horizontal surface of the right-angle groove of the first turntable for the bottom of the first adjusting support to be inserted into the first slot, and the connection between the first adjusting support and the first slot is fixed with glue.

[0010] As a further improvement to the above-mentioned technical method, the receiver is mounted on the second turntable via a second adjusting support and a second locking screw, and the second adjusting support has a vertically extending elongated hole.

[0011] As a further improvement to the above-mentioned technical method, a second slot is provided on the horizontal surface of the right-angle groove of the second turntable for the bottom of the second adjusting support to be inserted into the second slot, and the connection between the second adjusting support and the second slot is fixed with glue.

[0012] As a further improvement to the above-mentioned technical method, both the first and second adjustment discs are provided with force application handles.

[0013] As a further improvement to the above-mentioned technical method, the brick blank height limit detection device also includes an alarm, which is electrically connected to the electrical control box.

[0014] As a further improvement to the above-mentioned technical method, four right-angle slots are provided on the first turntable, and four right-angle slots are provided on the second turntable.

[0015] Beneficial effects:

[0016] Compared with the prior art, the brick blank height limit detection device provided by the present invention includes a transmitting component and a receiving component. The operator can pre-install through-beam photoelectric sensors for detecting different types of brick blanks on the first and second turntables according to the actual situation. When a certain set of through-beam photoelectric sensors is needed, only the first and second adjustment structures need to be driven to rotate the corresponding transmitter and receiver to the working position. It is convenient and quick. The tile production line does not need to be stopped for a long time for replacement, and the impact on production work is small, which meets the production needs of different types of tiles. Attached Figure Description

[0017] Figure 1 This is a perspective view of the brick blank height limit detection device provided by the present invention.

[0018] Figure 2 This is a perspective view of the transmitting component in the brick blank height limit detection device provided by the present invention.

[0019] Figure 3 This is an exploded view of the launching component in the brick blank height limit detection device provided by the present invention.

[0020] Explanation of main component symbols: 1-Electrical control box, 2-Transmitting assembly, 21-First support plate, 22-First rotating shaft, 23-First turntable, 231-First right-angle slot, 232-Transmitter, 233-First adjusting support plate, 234-Elongated hole, 235-First slot, 24-First adjusting structure, 241-First adjusting plate, 242-First pin, 243-First positioning hole, 244-First insertion hole, 248-Force application handle, 3-Receiver assembly, 4-Alarm, 5-Brick blank conveyor line, 6-Inkjet printer. Detailed Implementation

[0021] This invention provides a brick blank height limit detection device. To make the objectives, technical solutions, and effects of this invention clearer and more explicit, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the invention and are not intended to limit the scope of protection of the invention.

[0022] Please see Figures 1 to 3This invention provides a brick height limit detection device, comprising an electrical control box 1, a symmetrically arranged transmitting assembly 2 and receiving assembly 3. The transmitting assembly 2 includes a first support plate 21, a first rotating shaft 22 rotatably mounted on the first support plate 21, a first turntable 23 fixedly sleeved on the first rotating shaft 22, and a first adjusting structure 24 for adjusting the rotation angle of the first rotating shaft 22. The receiving assembly 3 includes a second support plate, a second rotating shaft rotatably mounted on the second support plate, a second turntable fixedly sleeved on the second rotating shaft, and a second adjusting structure 24 for adjusting the rotation angle of the second rotating shaft. The structure comprises a first turntable 23 with multiple axially extending first right-angled slots 231 evenly arranged circumferentially on its circumferential surface. Each first right-angled slot 231 has a transmitter 232 of a through-beam photoelectric sensor mounted on its sidewall. The transmitters 232 have different heights. The second turntable has multiple axially extending second right-angled slots evenly arranged circumferentially on its circumferential surface. Each second right-angled slot has a receiver corresponding to a transmitter 232 mounted on its sidewall. The electrical control box 1 is electrically connected to all the transmitters 232 and receivers of the through-beam photoelectric sensors. It should be understood that the brick height limit detection device is located upstream of the inkjet printer 6. The transmitting assembly 2 and the receiving assembly 3 are respectively located on the left and right sides of the brick conveyor line 5. The structures and working principles of the transmitting assembly 2 and the receiving assembly 3 are basically the same, and those skilled in the art can refer to [the relevant documentation]. Figure 2 and Figure 3 Configure receiver component 3.

[0023] Workers can pre-install through-beam photoelectric sensors for detecting different types of brick blanks 7 on the first turntable 23 and the second turntable according to actual needs. When a certain set of through-beam photoelectric sensors is needed, simply rotate the corresponding transmitter 232 and receiver to the working position. This is convenient and quick, and the tile production line does not need to be shut down for a long time for replacement, minimizing the impact on production. Under normal circumstances, the transmitter 232 continuously emits infrared light to the receiver. The brick blank conveyor line 5 transports the brick blanks 7 forward along the path below the infrared light. When the thickness of the brick blank exceeds the set range, the brick blank blocks the infrared light, preventing the receiver from receiving it. As a result, the through-beam photoelectric sensor sends a feedback signal to the control box 1, which then controls the brick blank conveyor line 5 to stop transporting the brick blanks.

[0024] The electrical control box 1 includes a box body, a PLC control system, an industrial control screen, and related control circuits installed inside the box body. The operator can select the group of the through-beam photoelectric sensor currently in operation on the industrial control screen.

[0025] Specifically, the first adjustment structure 24 includes a first adjustment disk 241 and a first pin 242. One end of the first rotating shaft 22 is a polygonal prism extending out of the first support plate 21, and the other end is connected to the first rotating disk 23 via a key connection. The first adjustment disk 241 is sleeved on the polygonal prism end of the first rotating shaft 22. The first adjustment disk 241 is provided with a plurality of first positioning holes 243, the number of which and their circumferential positions correspond to the transmitter 232. The first support plate 21 has a first insertion hole 244 that cooperates with the first positioning hole 243 for positioning. The first adjustment disk 241 is positioned by the first pin 242 passing through one of the first positioning holes 243 and the first insertion hole 244. When a set of through-beam photoelectric sensors is needed, it is only necessary to first rotate the first adjustment disk 241 to rotate the corresponding first positioning hole 243 to the position of the first insertion hole 244 and fix it with the first pin 242 to complete the installation of the transmitter 232. The adjustment is quick, simple, and the positioning is accurate.

[0026] Similarly, the second adjustment structure includes a second adjustment disc and a second pin. One end of the second rotating shaft is a polygonal prism extending beyond the second support plate, and the other end is connected to the second rotating disc via a key connection. The second adjustment disc is fitted onto the polygonal end of the second rotating shaft. The second adjustment disc has multiple second positioning holes, the number of which and their circumferential positions correspond to the receiver. The second support plate has a second insertion hole that mates with the second positioning hole. The second adjustment disc is positioned by the second pin passing through one of the second positioning holes and the second insertion hole. After the transmitter 232 is installed, the second adjustment disc is rotated to position the corresponding second positioning hole in the second insertion hole and secured with the second pin, thus completing the receiver installation. The adjustment is quick, simple, and the positioning is accurate.

[0027] Preferably, the prismatic ends of the first rotating shaft 22 and the second rotating shaft can be square prism, pentagonal prism, or hexagonal prism, etc., to facilitate the fixed connection between the second rotating shaft and the second adjusting plate.

[0028] In this embodiment, four right-angled grooves 231 are provided on the first turntable 23, and four right-angled grooves are provided on the second turntable, which means that there are four detection requirements for brick blank heights. It has strong applicability and can adapt to the production of ceramic tiles of different thicknesses.

[0029] Preferably, the transmitter 232 is mounted on the first turntable 23 via a first adjusting bracket 233 and a first locking screw (not shown in the figure). The first adjusting bracket 233 has a vertically extending elongated hole 234. The elongated hole 234 refers to a non-circular hole, specifically a rectangular hole, an oblong hole, a rounded rectangular hole, etc. By configuring the first adjusting bracket 233 and the first locking screw, when it is necessary to change the height of the transmitter 232, simply loosen the first locking screw, adjust the position of the transmitter 232, and then relock it, making adjustment relatively convenient.

[0030] Furthermore, a first slot 235 is provided on the horizontal surface of the right-angle groove of the first turntable 23 for the bottom of the first adjusting support piece 233 to be inserted into the first slot 235. The connection between the first adjusting support piece 233 and the first slot 235 is fixed with glue, which facilitates the positioning and installation of the first adjusting support piece 233.

[0031] Similarly, the receiver is mounted on the second turntable via a second adjusting bracket and a second locking screw. The second adjusting bracket has a vertically extending elongated hole 234. The elongated hole 234 refers to a non-circular hole, specifically a rectangular hole, an oblong hole, a rounded rectangular hole, etc. By configuring the second adjusting bracket and the second locking screw, when it is necessary to change the height of the receiver, simply loosen the second locking screw, adjust the position of the receiver, and then lock it again, making adjustment quite convenient.

[0032] Furthermore, a second slot is provided on the horizontal surface of the right-angle groove of the second turntable for the bottom of the second adjusting support to be inserted into the second slot. The connection between the second adjusting support and the second slot is fixed with glue, which facilitates the positioning and installation of the second adjusting support.

[0033] Preferably, both the first adjusting plate 241 and the second adjusting plate are provided with force application handles 248 so that the operator can rotate the first adjusting plate 241 and the second adjusting plate.

[0034] Preferably, the brick blank height limit detection device further includes an alarm 4, which is electrically connected to the electrical control box 1. When the brick blank is too thick and triggers the through-beam photoelectric sensor, the through-beam photoelectric sensor feeds back a signal to the electrical control box 1, and the electrical control box 1 controls the alarm 4 to sound an alarm, notifying the staff to handle the situation promptly.

[0035] Preferably, the first support plate 21 and the second support plate are both L-shaped. The bottom of the first support plate 21 and the second support plate are fixed to the ground by screws. The first rotating shaft 22 is connected to the first support plate 21 by a bearing, and the second rotating shaft is connected to the second support plate by a bearing.

[0036] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0037] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows for communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0038] It is understood that those skilled in the art can make equivalent substitutions or changes to the technical solution and inventive concept of the present invention, and all such changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A brick blank height limit detection device, characterized in that, The system includes an electrical control box, symmetrically arranged transmitting and receiving components. The transmitting component includes a first support plate, a first rotating shaft rotatably mounted on the first support plate, a first turntable fixedly sleeved on the first rotating shaft, and a first adjustment structure for adjusting the rotation angle of the first rotating shaft. The receiving component includes a second support plate, a second rotating shaft rotatably mounted on the second support plate, a second turntable fixedly sleeved on the second rotating shaft, and a second adjustment structure for adjusting the rotation angle of the second rotating shaft. The first turntable has multiple axially extending first right-angled slots evenly arranged circumferentially on its circumferential surface. Each first right-angled slot has a transmitter of a through-beam photoelectric sensor on its sidewall; the transmitters have different heights. The second turntable has multiple axially extending second right-angled slots evenly arranged circumferentially on its circumferential surface. Each second right-angled slot has a receiver corresponding to one of the transmitters on its sidewall. The electrical control box is electrically connected to all the transmitters and receivers of the through-beam photoelectric sensors. The first adjustment structure includes a first adjustment plate and a first pin. One end of the first rotating shaft is a polygonal prism shape extending beyond the first support plate, and the first adjustment plate is sleeved on the first rotating shaft. The first adjustment plate has a multi-faceted prism-shaped end, and the first adjustment plate is provided with multiple first positioning holes, the number of which and their circumferential positions corresponding to the transmitter. A first insertion hole is provided on the first support plate to mate with the first positioning holes. The first adjustment plate is positioned by passing a first pin through one of the first positioning holes and the first insertion hole. The second adjustment structure includes a second adjustment plate and a second pin. One end of the second rotating shaft is multi-faceted and extends beyond the second support plate. The second adjustment plate is fitted onto the multi-faceted prism-shaped end of the second rotating shaft. The second adjustment plate has multiple second positioning holes, the number of which and their circumferential positions corresponding to the receiver. A second insertion hole is provided on the second support plate to mate with the second positioning holes. The second adjustment plate is positioned by passing a second pin through one of the second positioning holes and the second insertion hole. The transmitter is mounted on the first rotating plate via a first adjustment support piece and a first locking screw. A vertically extending elongated hole is provided on the first adjustment support piece. The receiver is mounted on the second rotating plate via a second adjustment support piece and a second locking screw. A vertically extending elongated hole is provided on the second adjustment support piece.

2. The brick blank height limit detection device according to claim 1, characterized in that, The first turntable has a right-angled groove with a first slot on its horizontal surface for the bottom of the first adjusting support to be inserted into the first slot. The connection between the first adjusting support and the first slot is fixed with glue.

3. The brick blank height limit detection device according to claim 1, characterized in that, The second turntable has a right-angled groove with a second slot on its horizontal surface for the bottom of the second adjusting support to be inserted into the second slot. The connection between the second adjusting support and the second slot is fixed with glue.

4. The brick blank height limit detection device according to claim 1, characterized in that, Both the first and second adjustment discs are equipped with force application handles.

5. The brick blank height limit detection device according to claim 1, characterized in that, It also includes an alarm, which is electrically connected to the electrical control box.

6. The brick blank height limit detection device according to any one of claims 1-5, characterized in that, The first turntable has four right-angle slots, and the second turntable has four right-angle slots.

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