Glaze spraying device and method for tile production process

Abstract

The present invention discloses a glaze spraying device for a ceramic tile production process, wherein the nozzle comprises a nozzle body, a mounting cap, an adjustable nozzle core, a first slurry channel, a second slurry channel, a gas channel, a first control valve, a pressure accumulator, a second control valve, and a third control valve. The mounting cap is mounted in the mounting chamber at the lower end of the nozzle body, and the adjustable nozzle core is mounted in the mounting cap. The first control valve is provided on the external pipe of the first slurry channel. The device is characterized in that a second control valve is provided on the external pipe of the second slurry channel, a third control valve is provided on the external pipe of the gas channel, and the adjustable nozzle core can be adjusted to a variety of different spray hole patterns. The present invention can select the corresponding slurry supply pressure, concentration, and / or temperature according to the needs of different ceramic tile glaze spraying working conditions, and adjust the corresponding spray hole spray pattern to produce the corresponding slurry spray flow rate, spray range, spray shape, and / or spray temperature.

Description

Technical Field

[0001] The present invention relates to the technical field of production equipment and production process of ceramic products and tile products, and in particular to a glaze spraying device and method for a tile production process. Background Art

[0002] In the tile glazing process, pouring glaze and spraying glaze are two common glazing methods. However, existing spraying glaze devices are unable to select the appropriate slurry supply pressure, concentration, and / or temperature according to the needs of different tile glazing conditions, and adjust the corresponding spray hole spray pattern. As a result, they cannot produce the appropriate slurry spray flow rate, spray range, spray shape, and / or spray temperature, and are prone to clogging. Summary of the Invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a glaze spraying device and method for a ceramic tile production process. The device and method can select the corresponding slurry supply pressure, concentration and / or temperature according to the needs of different ceramic tile glazing working conditions through a combination design of multiple slurry supply methods and / or multiple slurry spraying modes, and adjust the corresponding spray hole spray mode to generate the corresponding slurry spray flow, spray range, spray shape and / or spray temperature; and also have the effect of self-cleaning and anti-clogging of the nozzle.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A glaze spraying device for a ceramic tile production process comprises a nozzle, the nozzle comprising a nozzle body (1), a mounting cap (2), an adjustable spray core (3), a first slurry channel (4), a second slurry channel (5), a gas channel (6), a first control valve (7), a pressure accumulator (8), a second control valve (9), and a third control valve (10). A mounting cavity is provided at the lower end of the nozzle body, a mounting cap is mounted in the mounting cavity, and an adjustable spray core is mounted in the mounting cap. The nozzle body is provided with a first slurry channel, and an external pipe of the first slurry channel is provided with a first control valve. The device is characterized in that: a second slurry channel and a pressure accumulator are provided in the nozzle body, an external pipe of the second slurry channel is provided with a second control valve, the second slurry channel is communicated with the pressure accumulator, a gas channel is provided in the nozzle body, and an external pipe of the gas channel is provided with a third control valve. The adjustable spray core can be adjusted to a plurality of different spray hole patterns.

[0006] Furthermore, the first slurry channel and the second slurry channel are respectively connected to the first slurry source and the second slurry source, and the first slurry source and the second slurry source have different slurry pressures, concentrations and / or slurry temperatures; the gas channel is connected to the negative pressure fan and the compressed air source through the third control valve, and the third control valve is a switchable control valve.

[0007] Furthermore, the mounting cap (2) includes a threaded section (21), a shoulder section (22), a core ejection cavity (23), a diffusion hole (24), and a spiral groove (25), wherein the threaded section has an external thread, and the threaded section is threadedly engaged with an inner wall of the mounting cavity, the shoulder section is arranged at the lower end of the mounting cap, a core ejection cavity is formed in the threaded section, and an adjustable core ejection cavity is installed in the core ejection cavity, the lower end of the mounting cap is provided with a diffusion hole, and a plurality of spiral grooves are provided on the inner circumference of the diffusion hole, and a first sealing ring (26) is sealed between the shoulder section and the lower end surface of the nozzle body.

[0008] Furthermore, the adjustable spray core (3) is a spherical spray core, and the adjustable spray core includes a first channel (31), a first mode spray hole (32), a second mode spray hole (33), a third mode spray hole (34), a second channel (35), and a third channel (36). The first channel, the second channel, and the first mode spray hole are sequentially connected and located on the same axis. The second mode spray hole and the third mode spray hole are located on the same axis, and the second mode spray hole or the third mode spray hole is arranged perpendicular to the first mode spray hole. The second mode spray hole is connected to the first mode spray hole through the third channel, and the third mode spray hole is also connected to the first mode spray hole through the third channel.

[0009] Furthermore, a second sealing ring (27) is provided on the outer periphery of the lower portion of the spherical adjustable nozzle core, and the second sealing ring is in sealing contact with the minimum diameter end of the inner peripheral wall of the nozzle core cavity (23); a third sealing ring (28) is provided on the outer periphery of the upper portion of the adjustable nozzle core, and the third sealing ring is in sealing contact with the conical surface at the top end of the installation cavity; the diameters of the first channel and the first mode injection hole are larger than the diameter of the second channel, and the diameters of the second mode injection hole and the third mode injection hole are larger than the diameter of the third channel.

[0010] Furthermore, the first mode spray holes, the second mode spray holes, and the third mode spray holes have different hole shapes, including circular spray holes, rectangular spray holes, fan-shaped spray holes, elliptical spray holes, or straight-line spray holes.

[0011] Furthermore, the glaze spraying device includes multiple nozzles, which are arranged in an array on a movable frame. The movable frame can move in one dimension or two dimensions under the drive of the driving device. The glaze spraying device is installed above the roller-type tile conveyor device.

[0012] A method for adjusting a glaze spraying device for a tile production process, comprising multiple slurry supply modes and / or multiple slurry spraying modes, specifically comprising:

[0013] A variety of slurry supply methods include:

[0014] Mode A: The first control valve (7) and the second control valve (9) are both open, and the first slurry source and the second slurry source supply slurries of different pressures, concentrations and / or temperatures, and spray them through the adjustable spray core (3);

[0015] Mode B: One of the first control valve or the second control valve is opened, and the first slurry source or the second slurry source supplies slurry and sprays it through the adjustable riser;

[0016] Mode C, cleaning mode: the first control valve and the second control valve are both closed, and the gas channel (6) is connected to the negative pressure blower and the compressed air source respectively through the third control valve (10); the compressed air source is first supplied to the gas channel to discharge the remaining slurry in the channel of the adjustable nozzle core, and then the gas channel is switched to connect to the negative pressure blower for suction and dredging to prevent larger impurities from clogging the small-diameter second channel (35) and the third channel (36);

[0017] Various slurry injection modes include:

[0018] Mode A, first spray mode: the first mode spray hole (32) is arranged downward, that is, the axis of the first mode spray hole is collinear with the axis of the mounting cap (2) or the diffusion hole (24);

[0019] Mode B, second spray mode: the adjustable spray core (3) is rotated by a flexible tool wrench so that the second mode spray hole (33) or the third mode spray hole (34) is arranged downward, that is, the axis of the second mode spray hole or the third mode spray hole is collinear with the axis of the mounting cap or the diffusion hole.

[0020] Mode C, auxiliary cleaning mode: In the second spraying mode, the second slurry channel (5) can supply slurry by only opening the second control valve, and one of the two third channels (36) can be cleared during the spraying to prevent larger impurities from clogging the third channel with a smaller diameter.

[0021] The present invention provides a glaze spraying device and method for a ceramic tile production process. Through a combination design of multiple slurry supply methods and / or multiple slurry injection modes, it is possible to select corresponding slurry supply pressure, concentration and / or temperature according to the requirements of different ceramic tile glazing working conditions, and adjust the corresponding injection hole injection mode to generate corresponding slurry injection flow, injection range, injection shape and / or injection temperature; and it also has the effects of self-cleaning of the nozzle and anti-clogging / blocking. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the first mode structure of the glaze spraying device used in the ceramic tile production process of the present invention;

[0023] Figure 2This is a schematic diagram of the first mode structure of the glaze spraying device used in the ceramic tile production process of the present invention;

[0024] Figure 3 This is a schematic diagram of the second mode structure of the glaze spraying device used in the ceramic tile production process of the present invention.

[0025] Figure: nozzle body 1, mounting cap 2, adjustable riser / spherical riser 3, first slurry channel 4, second slurry channel 5, gas channel 6, first control valve 7, pressure accumulator 8, second control valve 9, third control valve / switchable control valve 10, threaded section 21, shoulder section 22, riser cavity 23, diffuser hole 24, spiral groove / inclined groove 25, first sealing ring 26, second sealing ring 27, third sealing ring 28, first channel 31, first mode injection hole 32, second mode injection hole 33, third mode injection hole 34, second channel 35, third channel 36. Implementation Method

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0027] The present invention will be described in further detail below with reference to the accompanying drawings.

[0028] like Figure 1-3 As shown, a glaze spraying device for a ceramic tile production process includes a nozzle, which includes a nozzle body 1, a mounting cap 2, an adjustable spray core 3, a first slurry channel 4, a second slurry channel 5, a gas channel 6, a first control valve 7, a pressure accumulation chamber 8, a second control valve 9, and a third control valve 10. A mounting cavity is opened at the lower end of the nozzle body 1, a mounting cap 2 is installed in the mounting cavity, and an adjustable spray core 3 is installed in the mounting cap 2. The nozzle body 1 is provided with a first slurry channel 4, and the external pipe of the first slurry channel 4 is provided with a first control valve 7. It is characterized in that: the nozzle body 1 is provided with a second slurry channel 5 and a pressure accumulation chamber 8, the external pipe of the second slurry channel 5 is provided with a second control valve 9, the second slurry channel 5 is connected to the pressure accumulation chamber 8, the nozzle body 1 is provided with a gas channel 6, the external pipe of the gas channel 6 is provided with a third control valve 10, and the adjustable spray core 3 can be adjusted to a variety of different spray hole modes.

[0029] The first slurry channel 4 and the second slurry channel 5 are connected to the first slurry source and the second slurry source respectively. The first slurry source and the second slurry source have different slurry pressures, concentrations and / or slurry temperatures; the gas channel 6 is connected to the negative pressure fan / high vacuum fan and the compressed gas source through the third control valve 10. The third control valve 10 is a switchable control valve.

[0030] The mounting cap 2 includes a threaded section 21, a shoulder section 22, a riser cavity 23, and a diffuser hole 24. The threaded section 21 has an external thread that engages with the inner wall of the mounting cavity. The shoulder section 22 is disposed at the lower end of the mounting cap 2. A riser cavity 23 is formed within the threaded section 21. The adjustable riser 3 is mounted within the riser cavity 23. The lower end of the mounting cap 2 is provided with a diffuser hole 24. The inner circumference of the diffuser hole 24 is provided with a plurality of spiral grooves / inclined grooves 25. A first sealing ring 26 is sealed between the shoulder section 22 and the lower end surface of the nozzle body 1.

[0031] The adjustable riser 3 is a spherical riser and includes a first channel 31, a first-mode injection hole 32, a second-mode injection hole 33, a third-mode injection hole 34, a second channel 35, and a third channel 36. The first channel 31, the second channel 35, and the first-mode injection hole 32 are sequentially interconnected and located on the same straight line / axis. The second-mode injection hole 33 and the third-mode injection hole 34 are located on the same straight line / axis, with the second-mode injection hole 33 or the third-mode injection hole 34 being arranged perpendicular to the first-mode injection hole 32. The second-mode injection hole 33 is connected to the first-mode injection hole 32 via the third channel 36, and the third-mode injection hole 34 is also connected to the first-mode injection hole 32 via the third channel 36.

[0032] A second sealing ring 27 is provided on the outer periphery of the lower portion of the spherical adjustable riser 3, sealingly abutting the smallest diameter end of the inner circumferential wall of the riser cavity 23. A third sealing ring 28 is provided on the outer periphery of the upper portion of the adjustable riser 3, sealingly abutting the conical surface at the top of the mounting cavity. The diameters of the first channel 31 and the first-mode injection holes 32 are larger than the diameter of the second channel 35, and the diameters of the second-mode injection holes 33 and the third-mode injection holes 34 are larger than the diameter of the third channel 36.

[0033] The first mode injection holes 32 , the second mode injection holes 33 , and the third mode injection holes 34 have different hole shapes, such as circular injection holes, rectangular injection holes, fan-shaped injection holes, or straight-line injection holes.

[0034] The glaze spraying device includes multiple nozzles, which are arranged in an array on a movable frame. The movable frame can move in one dimension or two dimensions under the drive of the driving device. The glaze spraying device is installed above the roller type tile conveyor device.

[0035] A method for adjusting a glaze spraying device for a tile production process, comprising multiple slurry supply modes and / or multiple slurry spraying modes, specifically comprising:

[0036] A variety of slurry supply methods include:

[0037] Mode A: Both the first control valve 7 and the second control valve 9 are open. The first slurry source and the second slurry source supply slurries of different pressures, concentrations and / or temperatures, and spray them through the adjustable spray core 3.

[0038] Mode B: One of the first control valve 7 or the second control valve 9 is opened, and the first slurry source or the second slurry source supplies slurry and sprays it through the adjustable riser 3;

[0039] Mode C, Cleaning Mode: Both the first and second control valves 7 and 9 are closed, and the gas passage 6 is connected to the negative pressure blower and the compressed air source, respectively, through the third control valve 10. Compressed air is first supplied to the gas passage 6 to discharge the remaining slurry in the passage of the adjustable riser core 3. The gas passage 6 is then switched to the negative pressure blower for suction and dredging to prevent larger impurities from clogging the small-diameter second and third passages 35 and 36.

[0040] Various slurry injection modes include:

[0041] Mode A, first spray mode: In the first mode, the spray hole 32 is arranged downward, that is, the axis of the first mode spray hole 32 is collinear with the axis of the mounting cap 2 or the diffusion hole 24;

[0042] Mode B, Second Spray Mode: Use the flexible tool wrench to rotate the adjustable riser 3 so that the second-mode spray hole 33 or the third-mode spray hole 34 is facing downward. That is, the axis of the second-mode spray hole 33 or the third-mode spray hole 34 is collinear with the axis of the mounting cap 2 or the diffuser 24.

[0043] Mode C, auxiliary cleaning mode: In the second spraying mode, the second slurry channel 5 can supply slurry by only opening the second control valve 9, and one of the two third channels 36 can be unblocked during spraying to prevent larger impurities from clogging the small-diameter third channel 36.

[0044] In the absence of conflict, one or more of the various slurry supply modes A, B, and C and one or more of the various slurry spraying modes A, B, and C may be used in combination.

[0045] The present invention provides a glaze spraying device and method for a ceramic tile production process. Through a combination design of multiple slurry supply methods and / or multiple slurry injection modes, it is possible to select corresponding slurry supply pressure, concentration and / or temperature according to the requirements of different ceramic tile glazing working conditions, and adjust the corresponding injection hole injection mode to generate corresponding slurry injection flow, injection range, injection shape and / or injection temperature; and it also has the effects of self-cleaning of the nozzle and anti-clogging / blocking.

[0046] The above-mentioned embodiments are illustrative of the present invention, not limiting thereof. It is understood that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A glaze spraying device for a ceramic tile production process, comprising a nozzle, the nozzle comprising a nozzle body (1), a mounting cap (2), an adjustable nozzle core (3), a first slurry channel (4), a second slurry channel (5), a gas channel (6), a first control valve (7), a pressure storage chamber (8), a second control valve (9), and a third control valve (10), a mounting cavity being provided at the lower end of the nozzle body, a mounting cap being mounted in the mounting cavity, an adjustable nozzle core being mounted in the mounting cap, a first slurry channel being provided in the nozzle body, and a first control valve being provided on an external pipe of the first slurry channel, wherein: A second slurry channel and a pressure accumulation chamber are provided in the nozzle body, a second control valve is provided on the external pipeline of the second slurry channel, the second slurry channel is connected with the pressure accumulation chamber, a gas channel is provided in the nozzle body, a third control valve is provided on the external pipeline of the gas channel, and the adjustable nozzle core can be adjusted to a variety of different spray hole modes.

2. A glaze spraying device for a ceramic tile production process according to claim 1, characterized in that: The first slurry channel and the second slurry channel are respectively connected to the first slurry source and the second slurry source, and the first slurry source and the second slurry source have different slurry pressures, concentrations and / or slurry temperatures; the gas channel is connected to the negative pressure fan and the compressed air source through the third control valve, and the third control valve is a switchable control valve.

3. A glaze spraying device for a ceramic tile production process according to claim 2, characterized in that: The mounting cap (2) comprises a threaded section (21), a shoulder section (22), a core spray cavity (23), a diffusion hole (24), and a spiral groove (25). The threaded section has an external thread, and the threaded section is threadedly matched with the inner wall of the mounting cavity. The shoulder section is arranged at the lower end of the mounting cap, and a core spray cavity is formed in the threaded section. The adjustable core spray cavity is installed in the core spray cavity. The lower end of the mounting cap is provided with a diffusion hole, and the inner circumference of the diffusion hole is provided with a plurality of spiral grooves. A first sealing ring (26) is sealed between the shoulder section and the lower end surface of the nozzle body.

4. A glaze spraying device for a tile production process according to claim 3, characterized in that: The adjustable spray core (3) is a spherical spray core, and the adjustable spray core includes a first channel (31), a first mode spray hole (32), a second mode spray hole (33), a third mode spray hole (34), a second channel (35), and a third channel (36). The first channel, the second channel, and the first mode spray hole are sequentially connected and located on the same axis. The second mode spray hole and the third mode spray hole are located on the same axis, and the second mode spray hole or the third mode spray hole is arranged perpendicular to the first mode spray hole. The second mode spray hole is connected to the first mode spray hole through the third channel, and the third mode spray hole is also connected to the first mode spray hole through the third channel.

5. A glaze spraying device for a tile production process according to claim 4, characterized in that: A second sealing ring (27) is provided on the outer periphery of the lower portion of the spherical adjustable nozzle core, and the second sealing ring is in sealing contact with the minimum diameter end of the inner peripheral wall of the nozzle core cavity (23); a third sealing ring (28) is provided on the outer periphery of the upper portion of the adjustable nozzle core, and the third sealing ring is in sealing contact with the conical surface at the top end of the installation cavity; the diameters of the first channel and the first mode injection hole are larger than the diameter of the second channel, and the diameters of the second mode injection hole and the third mode injection hole are larger than the diameter of the third channel.

6. A glaze spraying device for a ceramic tile production process according to claim 5, characterized in that: The first mode spray holes, the second mode spray holes and the third mode spray holes have different hole shapes, including circular spray holes, rectangular spray holes, fan-shaped spray holes, elliptical spray holes or straight-line spray holes.

7. A glaze spraying device for a tile production process according to claim 6, characterized in that: The glaze spraying device includes multiple nozzles, which are arranged in an array on a movable frame. The movable frame can move in one dimension or two dimensions under the drive of a driving device. The glaze spraying device is installed above a roller-type tile conveying device.

8. A method for adjusting a glaze spraying device for a tile production process, comprising the glaze spraying device for a tile production process according to claim 6 or 7, comprising multiple slurry supply modes and / or multiple slurry spraying modes, specifically comprising: A variety of slurry supply methods include: Mode A: The first control valve (7) and the second control valve (9) are both open, and the first slurry source and the second slurry source supply slurries of different pressures, concentrations and / or temperatures, and spray them through the adjustable spray core (3); Mode B: One of the first control valve or the second control valve is opened, and the first slurry source or the second slurry source supplies slurry and sprays it through the adjustable riser; Mode C, cleaning mode: the first control valve and the second control valve are both closed, and the gas channel (6) is connected to the negative pressure blower and the compressed air source respectively through the third control valve (10); the compressed air source is first supplied to the gas channel to discharge the remaining slurry in the channel of the adjustable nozzle core, and then the gas channel is switched to connect to the negative pressure blower for suction and dredging to prevent larger impurities from clogging the small-diameter second channel (35) and the third channel (36); Various slurry injection modes include: Mode A, first spray mode: the first mode spray hole (32) is arranged downward, that is, the axis of the first mode spray hole is collinear with the axis of the mounting cap (2) or the diffusion hole (24); Mode B, second spray mode: the adjustable spray core (3) is rotated by a flexible tool wrench so that the second mode spray hole (33) or the third mode spray hole (34) is arranged downward, that is, the axis of the second mode spray hole or the third mode spray hole is collinear with the axis of the mounting cap or the diffusion hole; Mode C, auxiliary cleaning mode: In the second spraying mode, the second slurry channel (5) can supply slurry by only opening the second control valve, and one of the two third channels (36) can be cleared during the spraying to prevent larger impurities from clogging the third channel with a smaller diameter.

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