CN213165358U

CN213165358U - Ceramic tile marking mechanism and ceramic tile marking device

Info

Publication number: CN213165358U
Application number: CN202021516543.6U
Authority: CN
Inventors: 萧志强; 张永建; 胡金金; 刘中瑞; 樊立涛
Original assignee: Guangxi Mona Lisa New Material Co Ltd
Current assignee: Guangxi Mona Lisa New Material Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-11
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a ceramic tile marking off mechanism, including the marking off pen, be used for the cylinder clamping jaw of centre gripping marking off pen to and be used for driving actuating cylinder clamping jaw straight reciprocating motion's straight reciprocating mechanism, the utility model discloses a cylinder clamping jaw centre gripping marking off pen and by the form that straight reciprocating mechanism drove actuating cylinder clamping jaw, the artifical pen holding of replacement is marked off to the machine replaces the manual work, and is indefatigable, is difficult for makeing mistakes, efficient, safe and reliable, and the machine is marked off, and the pattern is unified, the quality is reliable, the machine identification in the later stage of being convenient for. The utility model also provides a ceramic tile marking device, including a plurality of foretell ceramic tile marking mechanism, the straight line of different quantity and/or position can be drawn according to the ceramic tile quality situation of difference to the high difference of the marking pen of each ceramic tile marking mechanism to realize the classification of the different quality grades of ceramic tile, be difficult for tired during the use, be difficult for makeing mistakes, efficient, safe and reliable, and the machine is marked a line, and the pattern is unified, the quality is reliable, the machine recognition in the later stage of being convenient for.

Description

Ceramic tile marking mechanism and ceramic tile marking device

Technical Field

The utility model relates to an automatic change apparatus technical field, especially relate to a ceramic tile marking mechanism and ceramic tile marking device.

Background

At present, after the ceramic tiles are classified from a polishing section, the quality conditions of the ceramic tiles are mainly observed by human eyes, then different numbers of straight lines (the number comprises zero) are drawn on the surfaces (mainly the side surfaces) of the ceramic tiles by a drawing pen manually, and then the ceramic tiles with different qualities are classified by an identification machine according to different quality grades. Because the marking is carried out manually, the marking pen is mainly operated by holding the marking pen manually, and the mode has certain defects: firstly, the conditions of wrong scribing, slow scribing speed and low efficiency can occur due to the fatigue of people, and certain danger also exists in manual scribing; secondly, the marking quality is difficult to ensure by manual marking, the marking positions and patterns are irregular, the phenomena of marking distortion, non-straightness and the like often occur, and certain trouble is brought to later machine identification.

SUMMERY OF THE UTILITY MODEL

Not enough more than, the utility model provides a ceramic tile marking off mechanism replaces manual pen holding through the machine and marks off, can solve manual marking off easy fatigue, easily make mistakes, inefficiency, quality low scheduling problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ceramic tile marking mechanism comprises a marking pen, a cylinder clamping jaw used for clamping the marking pen, and a linear reciprocating mechanism used for driving the cylinder clamping jaw to do linear reciprocating motion.

Preferably, the linear reciprocating mechanism comprises a rack, a rack guide rail and a driving motor which are fixedly installed, and a gear which is installed on an output shaft of the driving motor and driven by the driving motor to rotate, the rack is installed on the rack guide rail, the gear is meshed with the rack, and the cylinder clamping jaw is installed at the end part of the rack.

Preferably, install many rack mounting panels on the rack, be equipped with the pulley on the tip of rack mounting panel, the pulley rolls and sets up in the rack guide.

Preferably, the tile scribing mechanism further comprises a pen placing box fixedly arranged, a cavity penetrating through the top and the bottom of the pen placing box is arranged in the pen placing box and used for horizontally placing a plurality of mutually stacked scribing pens, limiting blocks are respectively arranged at the positions of the bottoms of the cavities on two inner side walls of the pen placing box, the middle parts of the two limiting blocks are rotatably connected with the side walls of the pen placing box, a lower protruding block is arranged at the bottom of each limiting block, an upper protruding block is arranged at the middle part or the upper part of each limiting block, the two upper protruding blocks are oppositely arranged, the distance between the two upper protruding blocks is smaller than the length of the scribing pen when the two upper protruding blocks are close to each other, the distance between the two upper protruding blocks is larger than the length of the scribing pen when the two upper protruding blocks are far from each other, the distance between the two lower protruding blocks is smaller than the length of the scribing pen when the two lower protruding blocks, only one marking pen can be accommodated between the upper lug and the lower lug; the pen box is characterized in that an air cylinder is installed on the front face of the pen box, a piston rod of the air cylinder is arranged downwards and fixedly connected with a connecting rod facing the pen box, two pushing rods are installed on the connecting rod, the upper end parts of the pushing rods are rotatably connected with the connecting rod, the lower end part of one pushing rod is fixedly connected with the bottom of one limiting block through a long shaft, and the lower end part of the other pushing rod is fixedly connected with the bottom of the other limiting block through a long shaft, so that when the piston rod of the air cylinder is downwards, the two pushing rods are driven to drive the two limiting blocks to rotate; the drawing pen is characterized in that a pen groove base is arranged below the pen placing box, a pen groove for receiving a drawing pen falling from the pen placing box is formed in the top of the pen groove base, the height of the pen groove is consistent with the clamping part of the air cylinder clamping jaw, the extending direction of the pen groove is consistent with the moving direction of the clamping part of the air cylinder clamping jaw, the length of the pen groove is shorter than that of the drawing pen, and when the drawing pen is located on the pen groove, the part, close to the air cylinder clamping jaw, of the drawing pen extends out of the pen groove.

Preferably, the pen slot base is movably provided with a vertical limiting plate and a horizontal limiting plate, an upward convex edge is arranged at one side, far away from the horizontal limiting plate, of the top of the vertical limiting plate, the top of the horizontal limiting plate is higher than the top of the vertical limiting plate, the pen slot is formed by the top of the vertical limiting plate and the convex edge, the length of the pen slot is shorter than that of the marking pen, and when the marking pen is positioned on the pen slot, two ends of the marking pen extend out of the pen slot; the pen groove base is provided with a first concave hole corresponding to the first spring column at a corresponding position, the first spring column is inserted into the first concave hole, and a first pressure spring sleeved on the first spring column is further arranged between the vertical limiting plate and the pen groove base; the pen groove base is provided with a second concave hole corresponding to the second spring column at a corresponding position, the second spring column is inserted into the second concave hole, and a second pressure spring sleeved on the second spring column is further arranged between the transverse limiting plate and the pen groove base; the pen groove base is also provided with a pen blocking cylinder, and a piston rod of the pen blocking cylinder can prop against the rear end part of the marking pen in the pen groove when extending out; lower non-return pinch rollers are arranged on two sides of the clamping part of the cylinder clamping jaw, and the lowest part of each lower non-return pinch roller is positioned between the lowest part and the highest part of the cambered surface of the transverse limiting plate; the front end of the clamping part of the cylinder clamping jaw is provided with a front non-return pinch roller, and the foremost end of the front non-return pinch roller is positioned between the foremost end and the rearmost end of the cambered surface of the vertical limiting plate.

Preferably, the pen container comprises a bottom plate and a marking mechanism mounting plate, wherein the pen container base, the rack guide rail and the driving motor are fixedly mounted on the bottom plate, and the pen container box is fixedly mounted on the pen container base; be equipped with two mount pads on the marking mechanism mounting panel, two rotate between the mount pad and install the lead screw, the one end of lead screw passes a mount pad and is equipped with adjusting hand wheel, the matching installs screw-nut on the lead screw, screw-nut with bottom plate fixed connection, still be equipped with on the marking mechanism mounting panel with the linear guide that the lead screw paralleled, the last matching of linear guide installs the linear guide slider, the linear guide slider with bottom plate fixed connection.

Preferably, the ceramic tile marking mechanism further comprises a PLC control device, and the PLC control device is respectively connected with the cylinder clamping jaw and the linear reciprocating mechanism and controls the cylinder clamping jaw and the linear reciprocating mechanism to operate.

Preferably, the ceramic tile marking mechanism further comprises a CCD camera and a buzzer, the PLC control device is respectively connected with the CCD camera and the buzzer, the CCD camera is used for shooting the marked ceramic tile and transmitting a shooting signal to the PLC control device, and the PLC control device judges the marking condition according to the signal transmitted by the CCD camera and controls the buzzer according to the marking condition.

Preferably, the ceramic tile marking mechanism further comprises a PLC control device, a buzzer and a pen detection sensor, wherein the PLC control device is respectively connected with the cylinder clamping jaw and the linear reciprocating mechanism and controls the cylinder clamping jaw and the linear reciprocating mechanism to operate; the PLC control device is respectively connected with a buzzer and a pen detection sensor, the pen detection sensor is arranged at the bottom of the pen box and used for detecting whether a pen is in the pen box and transmitting a detection signal to the PLC control device, and the PLC control device controls the buzzer according to the signal transmitted by the pen detection sensor; the PLC control device is also connected with the pen blocking cylinder and a first sensor, the first sensor detects whether a clamping jaw of the cylinder reaches and transmits a signal to the PLC control device, and the PLC control device controls the pen blocking cylinder to extend or retract according to the signal transmitted by the first sensor.

The utility model provides a ceramic tile marking device, including a plurality of foretell ceramic tile marking mechanism, each the high difference of ceramic tile marking mechanism's marking pen.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the marking pen is clamped by the cylinder clamping jaw, and the cylinder clamping jaw is driven by the linear reciprocating mechanism to replace manual pen holding and marking, so that the machine replaces manual work, the machine is not easy to fatigue and error, the efficiency is high, the machine is safe and reliable, the machine marking is uniform in pattern and reliable in quality, the machine can be conveniently identified in the later period, the machine can be conveniently installed at different positions, and the machine is convenient to be suitable for ceramic tiles with different sizes and specifications;

2. the linear transmission mode of the gear and the rack has simple and stable structure, high efficiency, safety and controllability;

3. the ceramic tile marking mechanism is provided with a pen placing box, a pen groove and other matching mechanisms, a plurality of marking pens can be temporarily stored for later use, and a single pen placing can be realized so as to be convenient for clamping of a clamping jaw of the air cylinder and be convenient for automatic pen changing of the ceramic tile marking mechanism;

4. the pen slot base is structurally arranged, so that the clamping of the cylinder clamping jaw at different parts of the marking pen is facilitated, and the cylinder clamping jaw is convenient to cross over the pen slot base and is positioned at different positions;

5. the whole support of the ceramic tile marking mechanism is convenient to realize by arranging the bottom plate and the marking mechanism mounting plate, and the position adjustment of the bottom plate, the pen slot base, the driving motor, the rack guide rail and the like on the bottom plate can be realized by arranging the lead screw, the lead screw nut, the linear guide rail slide block and the like, so that the position adjustment of the cylinder clamping jaw is realized to adapt to ceramic tiles with different sizes and specifications;

6. the device also comprises a PLC control device to realize automatic control; the marking condition is detected by arranging a CCD camera and a buzzer; whether a marking pen exists in the pen box or not is detected by arranging the buzzer and the pen detection sensor;

7. the utility model also provides a ceramic tile marking device, including a plurality of ceramic tile marking device mechanisms, the high difference of the cylinder clamping jaw of each ceramic tile marking device mechanism can be according to the ceramic tile quality situation of difference, draws the straight line of different quantity and/or position to realize the classification of the different quality grades of ceramic tile, through using ceramic tile marking device, be difficult for tired, be difficult for makeing mistakes, efficient, safe and reliable, and the machine is marked a line, and the pattern is unified, the quality is reliable, the machine identification in the later stage of being convenient for.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic view of a structure of a view angle of embodiment 1;

FIG. 2 is a schematic view showing a structure of a view angle of embodiment 1;

FIG. 3 is a partial schematic view of embodiment 1;

FIG. 4 is a partial schematic view of embodiment 1;

FIG. 5 is a schematic view of a pen box, a pen slot base and components thereon;

FIG. 6 is a schematic view of a pen box, a pen slot base and components thereon;

FIG. 7 is a schematic structural view (in part) of the pen box and its upper components in one state;

FIG. 8 is a schematic structural view (in part) of the pen box and its upper components in one state;

FIG. 9 is a schematic structural view of a pen slot base and components thereon;

FIG. 10 is a schematic structural view of a part of the components on the base of the pen container;

FIG. 11 is a schematic diagram of an embodiment 2.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a tile marking mechanism, which includes a marking pen 1, a cylinder clamping jaw 2 for clamping the marking pen 1, and a linear reciprocating mechanism 30 for driving the cylinder clamping jaw 2 to perform linear reciprocating motion. In the implementation, the tile marking mechanism is installed on a conveying line frame used for conveying tiles, the tiles are conveyed by conveying lines on the conveying line frame, the cylinder clamping jaws 2 clamp the marking pen 1, the cylinder clamping jaws 2 are installed on the linear reciprocating mechanism 30, the linear reciprocating mechanism 30 is installed on the conveying line frame, the linear reciprocating mechanism 30 operates to drive the cylinder clamping jaws 2 to do linear reciprocating motion, the installation height of the marking pen 1 corresponds to the height of the side face of the tiles to be marked so as to mark on the side face of the tiles, the cylinder clamping jaws 2 are preferably of a two-clamping-jaw type, namely, the clamping part of the cylinder clamping jaws 2 is provided with two opposite clamping jaws, the marking pen 1 can be clamped when the two clamping jaws are clamped, the marking pen 1 can be separated and the marking pen 1 can be replaced when the clamping jaw is opened, and preferably, in order to realize stable clamping, the transverse grooves (not shown in the figure) used for placing the marking pen 1 are formed on the opposite sides of Is firmly clamped on the cylinder clamping jaw 2. The grading marking-off of ceramic tiles mainly comprises marking-off straight lines with different quantities and/or positions (heights) on the side surfaces of the ceramic tiles, and the existing method mainly comprises marking-off by a manual handheld marking-off pen. Use the utility model discloses can replace artifical handheld marking off, specifically do, when needs are marked off, use cylinder clamping jaw 2 to grasp marking off pen 1, drive 2 straight lines of cylinder clamping jaw and stretch out to waiting the ceramic tile of marking off, when marking off pen 1 and ceramic tile contact, because the ceramic tile is carried forward by the transfer chain on the transfer chain frame, consequently can realize marking off pen 1 and mark off in the ceramic tile side, mark off the straight reciprocating mechanism 30 drive cylinder clamping jaw 2 and on 1 retractions of marking off. Through the form that 2 centre gripping marking off pens 1 of cylinder clamping jaw and drive cylinder clamping jaw 2 by straight line reciprocating mechanism 30, replace artifical pen holding and marking off to the machine replaces the manual work, and is indefatigable, is difficult for makeing mistakes, and efficient, safe and reliable, and the machine is marked off, and the pattern is unified, the quality is reliable, the machine identification in the later stage of being convenient for, and can be convenient for install in different positions, be convenient for be applicable to different size specification's ceramic tile.

In a preferred embodiment, the linear reciprocating mechanism 30 can be a linear motor mechanism, a threaded screw pair structure, a rack and pinion structure, a liquid pump structure or an air pump structure, and the like.

In the preferred embodiment, referring to fig. 1 to 4, the linear reciprocating mechanism is a rack-and-pinion structure, and mainly includes a rack 31, a rack guide rail 34 and a driving motor 32, which are fixedly installed, and a pinion 33 installed on an output shaft of the driving motor 32 and driven by the driving motor 32 to rotate, the rack 31 is installed on the rack guide rail 34, the pinion 33 is engaged with the rack 31, and the cylinder jaw 2 is installed at an end of the rack 31. During implementation, the rack guide rail 34 and the driving motor 32 are fixedly installed, specifically, the rack guide rail is fixedly installed on a conveying line frame, the driving motor 32 runs, the gear 33 rotates through an output shaft of the driving motor 32, the gear 33 rotates to drive a rack meshed with the gear to do linear motion along the rack guide rail 34, the cylinder clamping jaw 2 installed at the end part of the rack 31 and the marking pen 1 on the cylinder clamping jaw are both in linear motion, the extending direction of the rack guide rail 34 faces the conveying line for conveying tiles, and therefore when the cylinder clamping jaw 2 and the marking pen 1 on the cylinder clamping jaw are both in linear motion, the cylinder clamping jaw and the marking pen 1 on the rack can be in contact. The driving motor 32 is a forward and reverse rotating motor, which can realize forward rotation and reverse rotation of the motor, and the reverse rotation drives the rack 31 to move reversely to perform reset motion after the marking is finished, so as to drive the cylinder clamping jaw 2 and the marking pen 1 thereon to reset. The linear transmission mode through the gear and the rack has the advantages of simple and stable structure, high efficiency, safety and controllability.

In a preferred embodiment, a plurality of rack mounting plates 35 are mounted on the rack 31, pulleys 36 are arranged on the end portions of the rack mounting plates 35, the pulleys 36 are arranged in the rack guide rails 34 in a rolling manner, and the arrangement of the pulleys 36 can reduce friction between the rack 31 and the rack guide rails 34, so that the rack 31 can move more smoothly. In the preferred embodiment, the rack guide 34 is installed above the rack 31, the rack guide 34 is a T-shaped groove type guide with a downward opening, and the pulleys 36 are grouped in pairs and are uniformly installed on the rack 31 and in the rack guide 34 through the rack installation plate 35.

In a preferred embodiment, the tile marking mechanism further comprises a PLC control device (not shown in the figure), the PLC control device is respectively connected with the cylinder clamping jaw 2 and the linear reciprocating mechanism 30, and controls the cylinder clamping jaw 2 and the linear reciprocating mechanism 30 to operate, in the implementation, the PLC control device can control the clamping part of the cylinder clamping jaw 2 to be opened or clamped, so as to realize pen change or clamping of the marking pen 1, and the PLC control device can control the operation of the linear reciprocating mechanism 30, in the preferred embodiment, the linear reciprocating mechanism 30 is a gear rack mechanism driven by a driving motor 32, the PLC control device controls the driving motor 32 to rotate to drive the driving rack 31 to extend forwards, so as to drive the marking pen 1 to extend forwards and contact with the side surface of the tile, so as to realize marking; after the scribing is finished, the PLC control device controls the driving motor 32 to rotate reversely to drive the rack 31 and the scribing pen 1 to return. And a PLC control device is introduced and configured to realize automatic control and more automatic scribing.

Referring to fig. 1, 2 and 5 to 8, in a preferred embodiment, the tile scribing mechanism further includes a pen placing box 41 fixedly disposed, a cavity 42 penetrating the top and the bottom of the pen placing box 41 is disposed inside the pen placing box 41 for horizontally placing a plurality of mutually stacked scribing pens 1, the cavity 42 has a width equal to or slightly larger than the diameter of the scribing pen 1, the cavity 42 has a structure with two large ends and a small middle, the length of the middle is equal to the length of the scribing pen 1, two inner side walls of the pen placing box 41 are respectively provided with a limiting block 43 at the bottom of the cavity 42, the middle parts of the two limiting blocks 43 are rotatably connected with the side wall of the pen placing box 41, the bottom of each limiting block 43 is provided with a lower protruding block 45, the middle part or the upper part of each limiting block 43 is provided with an upper protruding block 44, the two upper protruding blocks 44 are disposed opposite to each other and have a distance smaller than the length of the scribing pen 1 when the two upper protruding blocks 44 are, the two lower bumps 45 are oppositely arranged, when the two lower bumps 45 are close to each other, the distance is smaller than the length of the marking pen 1, when the two lower bumps 45 are far away from each other, the distance is larger than the length of the marking pen, and only one marking pen 1 can be accommodated between the upper bump 44 and the lower bump 45; the front surface of the pen box 41 is provided with an air cylinder 46, a piston rod of the air cylinder 46 is arranged downwards and fixedly connected with a connecting rod (not shown in the figure) facing the pen box 41, the connecting rod is provided with two push rods 48, the upper end parts of the push rods 48 are rotatably connected with the connecting rod, the lower end part of one push rod 48 is fixedly connected with the bottom of one limiting block 43 through a long shaft 49, and the lower end part of the other push rod 48 is fixedly connected with the bottom of the other limiting block 43 through the long shaft 49, so that when the piston rod of the air cylinder 46 is downwards, the two push rods 48 are driven to drive the two limiting blocks 43; a pen groove base 53 is arranged below the pen placing box 41, a pen groove 55 for receiving the marking pen 1 dropped from the pen placing box 41 is formed in the top of the pen groove base 53, the height of the pen groove 55 is consistent with the clamping part of the air cylinder clamping jaw 2, the extending direction of the pen groove 55 is consistent with the moving direction of the clamping part of the air cylinder clamping jaw 2, the length of the pen groove 55 is shorter than that of the marking pen 1, and when the marking pen 1 is positioned on the pen groove 55, the part of the marking pen 1 close to the air cylinder clamping jaw 2 extends out of the pen groove 55. In practice, a plurality of the scribing pens 1 are placed in the pen placing box 41, and in the preferred embodiment, in an initial state, as shown in fig. 7, two lower protruding blocks 45 are close to each other and the distance between the two lower protruding blocks 45 is smaller than the length of the scribing pen 1, so that the bottommost scribing pen 1 can be placed on the two lower protruding blocks 45, at this time, two upper protruding blocks 44 are far away from each other and the distance between the two upper protruding blocks 44 is larger than the length of the scribing pen 1, so that the other scribing pens 1 positioned above the bottommost scribing pen 1 are supported by the bottommost scribing pen 1; when a marking pen 1 needs to be put down, the air cylinder 46 is started, the air cylinder 46 extends out and drives the connecting rod to move downwards, and meanwhile, the two pushing rods 48 are driven to drive the two limiting blocks 43 to rotate, at the moment, the two lower convex blocks 45 are far away from each other, the two upper convex blocks 44 are close to each other, the process please refer to fig. 8, the two upper convex blocks 44 are close to each other, the distance between the two upper convex blocks 44 is smaller than the length of the marking pen 1, the lowest penultimate marking pen 1 is positioned above the two upper convex blocks 44, the air cylinder 46 continuously extends out and drives the connecting rod, the pushing rods 48 and the limiting blocks 43 to operate, and when the two lower convex blocks 45 are far away from each other and the distance between the two lower convex blocks is larger than the length of the marking pen 1, the bottommost marking pen 1 is not supported by the two lower convex blocks 45 any more, so as to fall from; after the pen is placed for the first time, the cylinder 46 retracts, the connecting rod, the push rod 48 and the limiting block 43 are driven to operate at the moment, the limiting block 43 rotates reversely at the moment, the two upper lugs 44 are far away from each other, the two lower lugs 45 are close to each other, the distance between the two lower lugs 45 is smaller than the length of the marking pen 1, at the moment, when the distance between the two upper lugs 44 is far away from each other and is larger than the length of the marking pen 1, the existing bottommost marking pen (namely, the lowest penultimate marking pen 1) is not supported by the two upper lugs 44 and falls onto the two lower lugs 45, at the moment, the states of the cylinder 46, the connecting rod, the push rod 48, the limiting block 43, the two upper lugs 44 and the two lower lugs 45 are restored to the initial state, and as shown in fig.. When the marking pen 1 is placed on the pen slot 55 and needs to be replaced, the clamping part of the cylinder clamping jaw 2 is loosened to take down the marking pen 1 to be replaced, then the linear reciprocating mechanism drives the cylinder clamping jaw 2 to move towards the pen slot 55, and when the clamping part of the cylinder clamping jaw 2 is located at the position of the part, extending out of the pen slot 55, of the marking pen 1, the clamping part of the cylinder clamping jaw 2 is clamped to clamp the marking pen 1, so that the pen replacement is realized. The scribing pen 1 to be replaced can be manually taken down by manually taking down the scribing pen 1 by loosening the clamping part of the cylinder clamping jaw 2, or when the end part of the scribing pen 1 is clamped by the clamping part of the cylinder clamping jaw 2, the scribing pen 1 is unbalanced and falls off when the clamping part of the cylinder clamping jaw 2 is loosened, or the cylinder clamping jaw 2 which can be inclined or rotated can be adopted, so that the scribing pen 1 automatically falls off by inclining or rotating when the scribing pen 1 is loosened, and the cylinder clamping jaw 2 returns to a normal angle after the scribing pen 1 falls off. In the preferred embodiment, the air cylinder 46 is connected to and controlled by a PLC control device to facilitate integrated, automated operation.

In a preferred embodiment, referring to fig. 1, fig. 2, fig. 5, fig. 6, fig. 9 and fig. 10, a pen slot base 53 is movably provided with an upright limiting plate 51 and a horizontal limiting plate 52, the top of the upright limiting plate 51 is provided with an upward convex edge 54 at a side away from the horizontal limiting plate 52, the top of the horizontal limiting plate 52 is higher than the top of the upright limiting plate 51, and forms a pen slot 55 with the top of the upright limiting plate 51 and the convex edge 54, the length of the pen slot 55 is shorter than that of the marking pen 1, and when the marking pen 1 is located on the pen slot 55, two ends of the marking pen 1 extend out of the pen slot 55; the vertical limiting plate 51 is arc-shaped, one side of the protrusion faces the horizontal limiting plate 52, a first spring column 56 perpendicular to the vertical limiting plate 51 is transversely arranged in the middle of one side of the vertical limiting plate 51 far away from the horizontal limiting plate 52, a first concave hole corresponding to the first spring column 56 is formed in the corresponding position of the pen slot base 53, the first spring column 56 is inserted into the first concave hole, a first pressure spring 58 sleeved on the first spring column 56 is further arranged between the vertical limiting plate 51 and the pen slot base 53, the vertical limiting plate 51 moves towards the direction far away from the horizontal limiting plate 52 along the first concave hole under the limiting effect of the first spring column 56 and the first concave hole when being pressed, and can reset under the effect of the first pressure spring 58 after the pressing is released; the transverse placement limiting plate 52 is arc-shaped, one side of the protrusion faces upwards, a second spring column 59 which is vertically arranged is arranged in the middle of the downward side of the transverse placement limiting plate 52, a second concave hole corresponding to the second spring column 59 is formed in the corresponding position of the pen slot base 53, the second spring column 59 is inserted into the second concave hole, a second pressure spring 511 which is sleeved on the second spring column 59 is further arranged between the transverse placement limiting plate 52 and the pen slot base 53, the transverse placement limiting plate 52 moves downwards along the second concave hole under the limiting effect of the second spring column 59 and the second concave hole when being pressed, and the transverse placement limiting plate 52 can reset under the effect of the second pressure spring 511 after the pressing is released; the pen groove base 53 is also provided with a pen blocking cylinder 512, and a piston rod of the pen blocking cylinder 512 can prop against the rear end part (the end far away from the ceramic tile) of the marking pen 1 positioned in the pen groove 55 when extending out, so that the marking pen 1 is blocked to prevent the marking pen 1 from moving along the axial direction, and the piston rod of the pen blocking cylinder 511 cannot block the movement of the cylinder clamping jaw 2 when retracting; the two sides of the clamping part of the cylinder clamping jaw 2 are provided with lower non-return pinch rollers 21, and the lowest part of the lower non-return pinch rollers 21 is positioned between the lowest part and the highest part of the cambered surface of the transverse limiting plate 52; the front end of the clamping part of the cylinder clamping jaw 2 is provided with a front non-return pinch roller 22, and the foremost end of the front non-return pinch roller 22 is positioned between the foremost end and the rearmost end of the cambered surface of the vertical limiting plate 51. In the implementation, the clamping part of the cylinder clamping jaw 2 can be directly clamped or temporarily not clamped when the scribing pen 1 is sleeved in and does not contact with the pen slot 55, at the moment, the cylinder clamping jaw 2 further moves towards the pen slot 55, at the moment, the lower non-return pinch roller 21 contacts with the cambered surface of the end part of the transverse limiting plate 52 and presses the transverse limiting plate 52 downwards, then the front non-return pinch roller 22 contacts with the cambered surface of the end part of the vertical limiting plate 51 and enables the vertical limiting plate 51 to move towards the direction far away from the transverse limiting plate 52, in the process, the cylinder clamping jaw 2 gradually moves towards the other end from the end part of the scribing pen 1, the scribing pen 1 can be clamped at a certain position of the scribing pen 1 according to needs, the pen blocking cylinder 512 is arranged, when a piston rod of the pen blocking cylinder 512 extends out, the piston rod of the cylinder can push against the rear end part of the scribing pen 1 in the pen slot 55, and the cylinder clamping jaw 2 from the scribing pen, scribing pen 1 can not be because of cylinder clamping jaw 2, erect the aversion of limiting plate 51 and transversely put limiting plate 52 and axial displacement, through this setting, on the one hand can let cylinder clamping jaw 2 centre gripping scribing pen 1's different parts as required, on the other hand can make cylinder clamping jaw 2 can cross a groove base 53, the other end of a groove base 53 is removed to the one end from a groove base 53, also promptly can realize the pen clip from a groove base 53's the other end, and be convenient for adjust the position at cylinder clamping jaw 2 place, when need not rule or initial condition for a long time, can let cylinder clamping jaw 2 cross a groove base 53 and be located the position of keeping away from the conveying line frame. The pen blocking cylinder 512 is connected with the PLC control device and is controlled by the PLC control device to operate, so that integrated and automatic operation is realized. In a preferred embodiment, a first sensor 513 for detecting whether the cylinder clamping jaw 2 reaches (approaches the pen stopping cylinder 512) is further arranged on the pen placing box 41 near the rear end position of the scribing pen 1 in the pen slot 55, the first sensor 513 is connected with the PLC control device, when the first sensor 513 detects that the cylinder clamping jaw 2 reaches, the first sensor 513 detects that the cylinder clamping jaw 2 reaches and transmits a signal to the PLC control device, the PLC control device controls the pen stopping cylinder 512 to retract, and when the first sensor 513 does not detect that the cylinder clamping jaw 2 reaches, the pen stopping cylinder 512 is not controlled to retract, or the pen stopping cylinder 512 retracts to maintain the extending state.

In a preferred embodiment, please refer to fig. 1 and 2, the tile marking mechanism further includes a bottom plate 6 and a marking mechanism mounting plate 7, the pen slot base 53, the rack guide rail 34 and the driving motor 32 are fixedly mounted on the bottom plate 6, in the preferred embodiment, a rack guard plate 37 is provided outside the rack 31, the rack guard plate 37 is fixedly mounted on the bottom plate 6, the rack guide rail 34 is mounted on the bottom plate 6 through a rack guide rail mounting plate 38, the driving motor 32 is fixedly mounted on the rack guard plate 37 and fixedly connected with the rack guide rail 34 through a motor mounting plate 39, and the pen box 41 is fixedly mounted on the pen slot base 53; the scribing mechanism mounting plate 7 is provided with two mounting seats 71, a screw rod 72 is rotatably mounted between the two mounting seats 71 through a rolling bearing, one end of the screw rod 72 penetrates through one mounting seat 71 and is provided with an adjusting hand wheel 73, a screw rod nut 74 is mounted on the screw rod 72 in a matched mode, the screw rod nut 74 is fixedly connected with the bottom plate 6, a linear guide rail 75 parallel to the screw rod 72 is further arranged on the scribing mechanism mounting plate 7, a linear guide rail sliding block 76 is mounted on the linear guide rail 75 in a matched mode, and the linear guide rail sliding block 76 is fixedly connected with the bottom plate. Considering different sizes of tiles, there are generally 600 × 600, 800 × 800, 900 × 900, 1200 × 1200 and other different sizes, so when the initial position of the marking pen 1 on the cylinder jaw 2 is fixed, the distance between the marking pen 1 and the tile is different, the cylinder jaw 2 needs to extend different distances, if the tile is too small or the cylinder jaw 2 needs to extend longer, the stroke of the linear reciprocating mechanism 30 is longer, the required time is longer and the occupied space is larger, and if the linear reciprocating mechanism 30 is in a rack and pinion transmission form in the preferred embodiment, longer racks 31 and rack guide rails 34 are needed, larger space and larger stroke and time are needed, which obviously is disadvantageous for marking. In a preferred embodiment, when the marking mechanism mounting plate 7 is fixedly mounted on a conveying line frame, the adjusting hand wheel 73 is rotated to enable the screw rod 72 to rotate, the screw rod 72 and the screw rod nut 74 form a screw rod pair structure on the linear guide rail 75 and the linear guide rail slide block 76, so that the position of the bottom plate 6 on the marking mechanism mounting plate 7 can be adjusted, for example, when the size of a tile is small, the bottom plate 6 can be adjusted to move towards the conveying line frame, and the air cylinder clamping jaw 2 on the bottom plate 6 and the marking pen 1 on the bottom plate are enabled to have a short distance with the tile.

In a preferred embodiment, referring to fig. 1 and 2, the tile marking mechanism further includes a CCD camera 82 and a buzzer 81, the PLC control device is respectively connected to the CCD camera 82 and the buzzer 81, the CCD camera 82 is used for shooting the marked tile and transmitting the shooting signal to the PLC control device, and the PLC control device determines the marking condition according to the signal transmitted by the CCD camera 82 and controls the buzzer 81 according to the marking condition. A CCD camera 82 and a buzzer 81 are mounted on the base plate 6, and the CCD camera 82 is equipped with a light source 83 to achieve clearer shooting. When implementing, it makes the unable lines of drawing on the ceramic tile side to appear unexpected probably, sets up CCD camera 82 this moment, shoots the ceramic tile after the line drawing and will shoot signal transmission to PLC controlling means, when PLC controlling means judges according to the signal that normally the line drawing is not made, control bee calling organ 81 and sound to the suggestion staff makes mistakes of drawing a line, checks the problem of makeing mistakes.

In a preferred embodiment, referring to fig. 1 and 2, the tile marking mechanism further includes a pen detection sensor 84, the PLC control device is connected to the pen detection sensor 84, the pen detection sensor 84 is installed at the bottom of the pen box 41 for detecting whether a pen is in the pen box 41 and transmitting a detection signal to the PLC control device, and the PLC control device controls the buzzer 81 according to the signal transmitted from the pen detection sensor 84. In implementation, when the marker 1 is not present in the pen box 41, the pen detection sensor 84 detects that no pen is present in the pen box 41 and transmits a detection signal to the PLC control device, and the PLC control device controls the buzzer 81 to sound according to the signal transmitted by the pen detection sensor 84 so as to prompt a worker to put the pen.

Example 2

Referring to fig. 1 to 11, the preferred embodiment provides a tile marking device, which includes two tile marking mechanisms of embodiment 1, respectively designated as a first tile marking mechanism 1A and a second tile marking mechanism 1B, mounted on a conveyor line stand 91, and having cylinder jaws 2 of the two tile marking mechanisms with different heights, so that the marking pens 1 on the two tile marking mechanisms have different heights, specifically, the height of the marking pen 1 of the first tile marking mechanism 1A is higher than the height of the marking pen 1 of the second tile marking mechanism 1B, but the heights of the two marking pens 1 are both between the top and bottom of the side surface of the conveyed tile 92. During the implementation, when two ceramic tile marking mechanism's cylinder clamping jaw 2 drove respective marking off pen 1 and stretches out, with the not co-altitude contact of ceramic tile 92's side to can draw the lines of co-altitude, and as required, as according to different grades, can select different forms marking off, specifically do, use this preferred embodiment as an example, this preferred has two ceramic tile marking mechanism, consequently has four kinds of marking off forms, one is that two ceramic tile marking mechanism do not mark off, one is that marking off pen 1 is located the second ceramic tile marking mechanism 1B of below marks off, another kind is that marking off pen 1 is located the first ceramic tile marking mechanism 1A of top and marks off, the last one is that two ceramic tile marking mechanism all mark off. For other forms of marking, different numbers and/or heights of the cylinder jaws 2 can be provided according to the actual needs. The specific structure, mounting position, and scribing method of each tile scribing mechanism can be referred to in example 1. The utility model provides a ceramic tile marking device can be according to the ceramic tile quality situation of difference, draws the straight line of different quantity and/or position to realize the grading of the different quality grades of ceramic tile, through using ceramic tile marking device, indefatigability is difficult for makeing mistakes, and efficient, safe and reliable, and the machine is drawn a line, and the pattern is unified, the quality is reliable, the machine identification in the later stage of being convenient for.

The ceramic tile marking mechanism can be controlled independently, and can also be controlled in a unified way through a PLC control device, a key switch and the like. It should be noted that, the preferred tile marking mechanism is individually matched with a PLC control device, and a plurality of tile marking mechanisms may share one PLC control device. In the preferred embodiment, the tile marking device further includes three key switches, which are respectively identified as a first key switch SB1, a second key switch SB2 and a third key switch SB3, and the first key switch SB1, the second key switch SB2 and the third key switch SB3 are respectively connected to the PLC control device. In implementation, taking a preferred embodiment as an example, after the first key switch SB1 is pressed, the program self-locks, the internal timer is delayed for 5 seconds, the self-locking is cut off, the PLC control device controls the driving motor 32 on the first tile marking mechanism 1A to operate, the air cylinder clamping jaw 2 on the first tile marking mechanism 1A extends and keeps for 5 seconds, and then the driving motor 32 on the first tile marking mechanism 1A is controlled to rotate reversely to retract and reset the air cylinder clamping jaw 2; when the second key switch SB2 is pressed, the program is self-locked, the self-locking is cut off after the internal timer delays for 5 seconds, the PLC control device controls the driving motor 32 on the second ceramic tile marking mechanism 1B to operate, the cylinder clamping jaw 2 on the second ceramic tile marking mechanism 1B extends out and keeps for 5 seconds, and then the driving motor 32 on the second ceramic tile marking mechanism 1B is controlled to rotate reversely again to enable the cylinder clamping jaw 2 to retract and reset; after the third key switch SB3 is pressed, the program is self-locked, the self-locking is cut off after the internal timer is delayed for 5 seconds, the PLC control device simultaneously controls the driving motors 32 on the first ceramic tile marking mechanism 1A and the second ceramic tile marking mechanism 1B to operate, the air cylinder clamping jaws 2 on the first ceramic tile marking mechanism 1A and the second ceramic tile marking mechanism 1B stretch out and keep for 5 seconds, and then the driving motors 32 on the first ceramic tile marking mechanism 1A and the second ceramic tile marking mechanism 1B are controlled to rotate reversely to enable the air cylinder clamping jaws 2 to retract and reset.

The implementation process of the preferred embodiment is as follows: the preferred embodiment divides the tile mass into four cases, thus requiring four marking situations, specifically, marking a line at the upper position of the side face of the tile, marking a line at the lower part of the side face of the tile, simultaneously marking the upper part and the lower part of the side face of the tile, and not marking; when the ceramic tile 92 is conveyed by the ceramic tile conveying line, a worker observes the quality condition of the ceramic tile 92 and judges the number and the position of marking lines, when a line needs to be marked and is marked on the upper part, the first key switch SB1 is pressed, the driving motor 32 on the first ceramic tile marking mechanism 1A is driven to operate at the moment, so that the cylinder clamping jaw 2 extends out to drive the marking pen 1 to move towards the ceramic tile, the marking pen 1 extends out for a certain distance and keeps for a certain time (the distance and the time are preset), the marking pen 1 is in contact with the side surface of the ceramic tile 92 for a certain time, and a straight line can be marked on the side surface of the ceramic tile 92 along with the continuous forward movement of the ceramic tile 92; when a line needs to be drawn and is drawn at the lower part, the second key switch SB2 is pressed, the driving motor 32 on the second ceramic tile drawing mechanism 1B is driven to operate at the moment, so that the cylinder clamping jaw 2 extends out to drive the drawing pen 1 to move towards the ceramic tile direction, the drawing pen 1 extends out for a certain distance and keeps for a certain time, and at the moment, the drawing pen 1 is in contact with the side surface of the ceramic tile 92 for a certain time, so that a straight line can be drawn on the side surface of the ceramic tile 92; when the upper part and the lower part need to be scribed, namely two lines are scribed, the third key switch SB3 is pressed, at the moment, the driving motors 32 on the first ceramic tile scribing mechanism 1A and the second ceramic tile scribing mechanism 1B are simultaneously driven to operate, so that the air cylinder clamping jaws 2 extend out to drive the scribing pens 1 to move towards the ceramic tile direction, the scribing pens 1 extend out for a certain distance and keep for a certain time, at the moment, the two scribing pens 1 are in contact with the side surface of the ceramic tile 92 for a certain time, and two straight lines can be scribed on the side surface of the ceramic tile 92; the last is not to scribe and no operation is required.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A ceramic tile marking mechanism is characterized in that: the marking device comprises a marking pen (1), a cylinder clamping jaw (2) used for clamping the marking pen (1), and a linear reciprocating mechanism (30) used for driving the cylinder clamping jaw (2) to do linear reciprocating motion.

2. The tile scoring mechanism of claim 1, wherein: the linear reciprocating mechanism comprises a rack (31), a rack guide rail (34) and a driving motor (32) which are fixedly installed, and a gear (33) which is installed on an output shaft of the driving motor (32) and driven by the driving motor (32) to rotate, wherein the rack (31) is installed on the rack guide rail (34), the gear (33) is meshed with the rack (31), and a cylinder clamping jaw (2) is installed at the end part of the rack (31).

3. The tile scoring mechanism of claim 2, wherein: install many rack mounting panel (35) on rack (31), be equipped with pulley (36) on the tip of rack mounting panel (35), pulley (36) roll and set up in rack guide (34).

4. The tile scoring mechanism of claim 1, wherein: the scribing pen is characterized by further comprising a fixedly arranged pen placing box (41), a cavity (42) penetrating through the top and the bottom of the pen placing box (41) is formed in the pen placing box (41) and used for transversely placing a plurality of scribing pens (1) which are stacked mutually, limiting blocks (43) are arranged at the positions, at the bottom of the cavity (42), of two inner side walls of the pen placing box (41), the middle parts of the two limiting blocks (43) are rotatably connected with the side walls of the pen placing box (41), a lower protruding block (45) is arranged at the bottom of each limiting block (43), an upper protruding block (44) is arranged at the middle part or the upper part of each limiting block (43), the two upper protruding blocks (44) are arranged in opposite directions, the distance between the two upper protruding blocks (44) is smaller than the length of the scribing pen when the two upper protruding blocks (44) are close to each other, the distance between the two lower protruding blocks (45) is larger than the length of the scribing pen (1) when the two lower protruding blocks (45) are close to each other The distance is greater than the length of the marking pen when the marking pen is far away, and only one marking pen (1) can be accommodated between the upper lug (44) and the lower lug (45); the front surface of the pen box (41) is provided with an air cylinder (46), a piston rod of the air cylinder (46) is arranged downwards and fixedly connected with a connecting rod facing the pen box (41), the connecting rod is provided with two push rods (48), the upper end parts of the push rods (48) are rotatably connected with the connecting rod, the lower end part of one push rod (48) is fixedly connected with the bottom of one limiting block (43) through a long shaft (49), and the lower end part of the other push rod (48) is fixedly connected with the bottom of the other limiting block (43) through the long shaft (49), so that when the piston rod of the air cylinder (46) is downwards, the two push rods (48) are driven to rotate the two limiting blocks (43); the lower part of the pen placing box (41) is provided with a pen groove base (53), the top of the pen groove base (53) is provided with a pen groove (55) for bearing a marking pen (1) falling from the pen placing box (41), the height of the pen groove (55) is consistent with the clamping part of the cylinder clamping jaw (2), the extending direction of the pen groove is consistent with the moving direction of the clamping part of the cylinder clamping jaw (2), the length of the pen groove (55) is shorter than that of the marking pen (1), and when the marking pen (1) is positioned on the pen groove (55), the part of the marking pen (1) close to the cylinder clamping jaw (2) extends out of the pen groove (55).

5. The tile scoring mechanism of claim 4, wherein: the pen groove base (53) is movably provided with a vertical limiting plate (51) and a transverse limiting plate (52), an upward convex edge (54) is arranged on one side, far away from the transverse limiting plate (52), of the top of the vertical limiting plate (51), the top of the transverse limiting plate (52) is higher than the top of the vertical limiting plate (51), the pen groove (55) is formed by the top of the vertical limiting plate (51) and the convex edge (54), the length of the pen groove (55) is shorter than that of the marking pen (1), and when the marking pen (1) is positioned on the pen groove (55), two ends of the marking pen (1) extend out of the pen groove (55); the vertical limiting plate (51) is arc-shaped, one side of the protrusion faces the transverse limiting plate (52), a first spring column (56) perpendicular to the vertical limiting plate (51) is transversely arranged in the middle of one side, away from the transverse limiting plate (52), of the vertical limiting plate (51), a first concave hole corresponding to the first spring column (56) is formed in the corresponding position of the pen slot base (53), the first spring column (56) is inserted into the first concave hole, and a first pressure spring (58) sleeved on the first spring column (56) is further arranged between the vertical limiting plate (51) and the pen slot base (53); the transverse placing limiting plate (52) is arc-shaped, one side of the protrusion faces upwards, a second spring column (59) which is vertically arranged is arranged in the middle of the downward side of the transverse placing limiting plate (52), a second concave hole corresponding to the second spring column (59) is formed in the corresponding position of the pen slot base (53), the second spring column (59) is inserted into the second concave hole, and a second pressure spring (511) which is sleeved on the second spring column (59) is further arranged between the transverse placing limiting plate (52) and the pen slot base (53); the pen groove base (53) is also provided with a pen blocking cylinder (512), and a piston rod of the pen blocking cylinder (512) can prop against the rear end part of the marking pen (1) positioned in the pen groove (55) when extending out; lower non-return pinch rollers (21) are arranged on two sides of the clamping part of the cylinder clamping jaw (2), and the lowest part of each lower non-return pinch roller (21) is positioned between the lowest part and the highest part of the cambered surface of the transverse limiting plate (52); the front end of the clamping part of the cylinder clamping jaw (2) is provided with a front non-return pinch roller (22), and the foremost end of the front non-return pinch roller (22) is positioned between the foremost end and the rearmost end of the cambered surface of the vertical limiting plate (51).

6. The tile scoring mechanism of claim 4, wherein: the pen groove rack is characterized by further comprising a bottom plate (6) and a marking mechanism mounting plate (7), wherein the pen groove base (53), the rack guide rail (34) and the driving motor (32) are fixedly mounted on the bottom plate (6), and the pen placing box (41) is fixedly mounted on the pen groove base (53); be equipped with two mount pads (71) on marking mechanism mounting panel (7), two lead screw (72) are installed in rotating between mount pad (71), one end of lead screw (72) is passed one mount pad (71) and is equipped with adjusting hand wheel (73), lead screw nut (74) are installed in the matching on lead screw (72), lead screw nut (74) with bottom plate (6) fixed connection, still be equipped with on marking mechanism mounting panel (7) with linear guide (75) that lead screw (72) parallel, linear guide slider (76) are installed in the matching on linear guide (75), linear guide slider (76) with bottom plate (6) fixed connection.

7. The tile scoring mechanism of claim 1, wherein: the device is characterized by further comprising a PLC control device, wherein the PLC control device is respectively connected with the cylinder clamping jaw (2) and the linear reciprocating mechanism (30) and controls the cylinder clamping jaw (2) and the linear reciprocating mechanism (30) to operate.

8. The tile scoring mechanism of claim 7, wherein: the ceramic tile marking device is characterized by further comprising a CCD camera (82) and a buzzer (81), the PLC control device is respectively connected with the CCD camera (82) and the buzzer (81), the CCD camera (82) is used for shooting a marked ceramic tile and transmitting a shooting signal to the PLC control device, and the PLC control device judges a marking condition according to the signal transmitted by the CCD camera (82) and controls the buzzer (81) according to the marking condition.

9. The tile scoring mechanism of claim 5, wherein: the device is characterized by also comprising a PLC control device, a buzzer (81) and a pen detection sensor (84), wherein the PLC control device is respectively connected with the cylinder clamping jaw (2) and the linear reciprocating mechanism (30) and controls the cylinder clamping jaw (2) and the linear reciprocating mechanism (30) to operate; the PLC control device is respectively connected with a buzzer (81) and a pen detection sensor (84), the pen detection sensor (84) is installed at the bottom of the pen box (41) and used for detecting whether a pen is arranged in the pen box (41) and transmitting a detection signal to the PLC control device, and the PLC control device controls the buzzer (81) according to the signal transmitted by the pen detection sensor (84); the PLC control device is further connected with the pen stopping cylinder (512) and a first sensor (513), the first sensor (513) detects whether the cylinder clamping jaw (2) reaches and transmits a signal to the PLC control device, and the PLC control device controls the pen stopping cylinder (512) to extend or retract according to the signal transmitted by the first sensor (513).

10. A ceramic tile marking device which characterized in that: comprising a plurality of tile marking mechanisms as claimed in any one of claims 1 to 9, each of said mechanisms having a marking pen (1) of different height.