阅读说明：本技术 一种用于陶瓷制品生产工艺的喷颜料装置 (Pigment spraying device for ceramic product production process ) 是由 程俊 于 2019-12-07 设计创作，主要内容包括：一种用于陶瓷制品生产工艺的喷颜料装置,其包括喷枪,该喷枪包括喷嘴本体、喷嘴帽、出口部、旋流片,喷嘴帽设置于喷嘴本体上,喷嘴本体内设置有液体通道,液体通道的径向外周设置有气体通道,液体通道依次包括第一直径段、第二直径段、锥形增压腔、出口腔,出口腔内设置有出口部、旋流片,其特征在于：旋流片的一端与出口部相抵接,另一端与锥形增压腔的与出口腔相邻接的一端具有微小间隙,旋流片为旋转式旋流片,锥形增压腔的内周面设置有多个导流槽。能够提高喷嘴出口处雾化的稳定性、充分性、均匀性,降低喷涂颜料厚度不均的风险,喷射效果好,节约原料。(The utility model provides a spout pigment device for ceramic production technology, its includes the spray gun, and this spray gun includes nozzle body, nozzle cap, export portion, spinning disk, and the nozzle cap sets up on the nozzle body, and this internal liquid passage that is provided with of nozzle, liquid passage's radial periphery are provided with gas passage, and liquid passage includes first diameter section, second diameter section, toper pressure boost chamber, export chamber in proper order, is provided with export portion, spinning disk in the export chamber, its characterized in that: one end and the export portion looks butt of spinning disk, the one end that the other end and toper pressure boost chamber are adjacent with the export chamber has a tiny clearance, and the spinning disk is rotation type spinning disk, and the inner peripheral surface of toper pressure boost chamber is provided with a plurality of guiding gutters. Can improve atomizing stability, sufficiency, homogeneity in nozzle exit, reduce the uneven risk of spraying pigment thickness, spray effectually, the save raw materials.)

1. The utility model provides a spout pigment device for ceramic production technology, its includes the spray gun, and this spray gun includes nozzle body, nozzle cap, export portion, spinning disk, and the nozzle cap sets up on the nozzle body, and this internal liquid passage that is provided with of nozzle, liquid passage's radial periphery are provided with gas passage, and liquid passage includes first diameter section, second diameter section, toper pressure boost chamber, export chamber in proper order, is provided with export portion, spinning disk in the export chamber, its characterized in that: one end and the export portion looks butt of spinning disk, the one end that the other end and toper pressure boost chamber are adjacent with the export chamber has a tiny clearance, and the spinning disk is rotation type spinning disk, and the inner peripheral surface of toper pressure boost chamber is provided with a plurality of guiding gutters.

2. The pigment spraying device for the ceramic product production process according to claim 1, wherein the plurality of guide grooves are uniformly distributed along the circumferential direction and axially extend, and the axial extension length of each guide groove is equal to (0.5-1.0) times the axial length of the conical pressurizing cavity.

3. The pigment spraying device for the ceramic product producing process as claimed in claim 2, wherein the depth of the guide channel is 1/35-1/10 of the axial length of the conical pressurizing cavity, and the included angle of the conical pressurizing cavity and the axis of the nozzle body is 5-30 °.

4. The paint spraying apparatus for the ceramic product manufacturing process as claimed in claim 1, wherein the first diameter section has a diameter greater than that of the second diameter section, the outlet chamber is connected to the outlet portion by a first threaded portion, and the outlet end portion of the nozzle body has an axial flange located at a radially outer periphery of the outlet chamber.

5. The pigment spraying device for the ceramic product production process as claimed in claim 1, wherein the outlet portion comprises a third diameter section and a first conical portion in sequence, the third diameter section is abutted with the cyclone sheet through a plurality of balls, and an arc-shaped protrusion is arranged at one end of the first conical portion, which is close to the liquid outlet.

6. The pigment spraying device for the ceramic product production process according to claim 5, wherein one or more first outlet flow channels and one or more third outlet flow channels are arranged on the outer peripheral side of the first conical part, the outlet side of the first outlet flow channel is connected with a second outlet flow channel, the outlet side of the third outlet flow channel is connected with a fourth outlet flow channel, and the third outlet flow channel and the fourth outlet flow channel are arranged in parallel with the axis of the nozzle body.

7. The pigment spraying device for the ceramic product production process according to claim 6, wherein one end of the second outlet flow passage and the fourth outlet flow passage near the outlet of the outlet part is provided with a concave part, the concave part is formed by two inclined planes, and the inclined plane near the outlet side of the outlet part forms an included angle of 5-20 degrees with the axis of the nozzle body.

8. The paint spraying apparatus for the ceramic product manufacturing process as claimed in claim 1, wherein the swirl plate includes a first swirl groove, a plurality of first swirl holes, and a plurality of second swirl holes, the first swirl holes and the second swirl holes are communicated with the first swirl groove, and the included angle between the first swirl holes and the axis of the nozzle body is 20-60 °.

Technical Field

The invention relates to the technical field of ceramic product/product production and manufacturing processes, in particular to a pigment spraying device for a ceramic product production process.

Background

In the ceramic product/product manufacturing process, the ceramic product is typically subjected to glaze spraying, pigment spraying, or treatment agent spraying. However, the existing pigment spraying device has the problems of insufficient and uneven spraying atomization.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a pigment spraying device for a ceramic product production process, which can improve the stability, sufficiency and uniformity of atomization at the outlet of a nozzle, reduce the risk of uneven thickness of the sprayed pigment, realize good spraying effect and save raw materials.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a spout pigment device for ceramic production technology, its includes the spray gun, and this spray gun includes nozzle body, nozzle cap, export portion, spinning disk, and the nozzle cap sets up on the nozzle body, and this internal liquid passage that is provided with of nozzle, liquid passage's radial periphery are provided with gas passage, and liquid passage includes first diameter section, second diameter section, toper pressure boost chamber, export chamber in proper order, is provided with export portion, spinning disk in the export chamber, its characterized in that: one end and the export portion looks butt of spinning disk, the one end that the other end and toper pressure boost chamber are adjacent with the export chamber has a tiny clearance, and the spinning disk is rotation type spinning disk, and the inner peripheral surface of toper pressure boost chamber is provided with a plurality of guiding gutters.

Further, the guide grooves are uniformly distributed in the circumferential direction and extend in the axial direction, and the axial extension length of each guide groove is equal to (0.5-1.0) times of the axial length of the conical pressurization cavity.

Furthermore, the depth of the flow guide groove is 1/35-1/10 of the axial length of the conical pressurizing cavity, and the included angle between the conical pressurizing cavity and the axis of the nozzle body is 5-30 degrees.

Further, the diameter of the first diameter section is larger than that of the second diameter section, the outlet cavity is connected with the outlet part through the first threaded portion, and the outlet end portion of the nozzle body is provided with an axial flange which is located on the radial periphery of the outlet cavity.

Further, export department includes third diameter section, first toper portion in proper order, and third diameter section and spinning disk are through a plurality of ball looks butt, and the one end that is close to the liquid outlet of first toper portion is provided with the arc arch.

Furthermore, one or more first outlet flow channels and one or more third outlet flow channels are arranged on the outer peripheral side of the first conical part, the outlet side of the first outlet flow channel is connected with one second outlet flow channel, the outlet side of the third outlet flow channel is connected with one fourth outlet flow channel, and the third outlet flow channel and the fourth outlet flow channel are arranged in parallel with the axis of the nozzle body.

Furthermore, one ends of the second outlet flow channel and the fourth outlet flow channel, which are close to the outlet of the outlet part, are provided with a concave part, the concave part is composed of two inclined planes, and the included angle between the inclined plane close to the outlet of the outlet part and the axis of the nozzle body is 5-20 degrees.

Furthermore, the spinning disk comprises a first spinning groove, a plurality of first spinning holes and a plurality of second spinning holes, the first spinning holes and the second spinning holes are communicated with the first spinning groove, and included angles between the first spinning holes and the axis of the nozzle body and between the second spinning holes and the axis of the nozzle body are 20-60 degrees.

The pigment spraying device is used for glaze spraying, pigment spraying, color spraying or treating agent spraying and the like in the production process of ceramic products/products.

This a spout pigment device for ceramic production technology, through design, the improvement of toper pressure boost chamber, exit portion, spinning disk structure, can improve atomizing stability, sufficiency, the homogeneity in nozzle exit, reduce the uneven risk of spraying pigment thickness, spray effectually, the save raw materials.

Drawings

FIG. 1 is a schematic structural view of a pigment spraying device according to the present invention;

FIG. 2 is a schematic view of a part of an enlarged structure of the pigment spraying device of the present invention;

fig. 3 is a schematic view of the structure of the flow guide groove of the present invention.

In the figure: the nozzle comprises a nozzle body 1, a nozzle cap 2, an outlet part 3, a swirl plate 4, a first gas flow channel 11, a second gas flow channel 12, a third gas flow channel 13, a fourth gas flow channel 14, a first diameter section 15, a second diameter section 16, a conical pressurizing cavity 17, an outlet cavity 18, a first thread part 19 (comprising internal threads and external threads), an axial flange 20, a second thread part 21 (comprising internal threads and external threads), a second external thread 31 and a third diameter section 32, the first tapered portion 33, the arc-shaped protrusion 34, the first outlet flow passage 35 (liquid outlet flow passage), the second outlet flow passage 36, the third outlet flow passage 37, the fourth outlet flow passage 38, the first swirl groove 41, the first swirl hole 42, the second swirl hole 43, the ball 44, the guide groove 171, the first recessed portion 361, the second recessed portion 381, the slope 362, the gas passage/flow direction g, and the liquid passage/flow direction L.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

As shown in fig. 1-3, a pigment spraying device for a ceramic product production process includes a spray gun, an air source, and a liquid source, wherein the spray gun is connected to the air source and the liquid source through a pipeline, the spray gun includes a nozzle body 1, a nozzle cap 2, an outlet portion 3, and a swirl plate 4, the nozzle cap 2 is disposed on the nozzle body 1, and is connected to the nozzle body 1 through a second thread portion 21 (including an internal thread and an external thread), a liquid passage L is disposed in the nozzle body 1, a gas passage g is disposed at a radial periphery of the liquid passage L, the liquid passage L sequentially includes a first diameter section 15, a second diameter section 16, a tapered pressurizing cavity 17, and an outlet cavity 18, and the outlet portion 3 and the swirl plate 4 are disposed in the outlet cavity 18; one end of the cyclone sheet 4 is abutted against the outlet part 3, and the other end of the cyclone sheet 4 is provided with a small gap (axial gap) with one end of the conical pressurizing cavity 17 abutted against the outlet cavity 18, the cyclone sheet 4 is a rotary cyclone sheet, namely, the cyclone sheet rotates under the impact of liquid flow, the inner circumferential surface of the conical pressurizing cavity 17 is provided with a plurality of guide grooves 171, the guide grooves 171 are uniformly distributed along the circumferential direction and extend along the axial direction, the axial extension length of the guide grooves 171 is equal to (0.8-1.0) times of the axial length of the conical pressurizing cavity 17, the depth of the guide grooves 171 is about 1/35-1/10, preferably 1/25-1/20, of the axial length of the conical pressurizing cavity 17, and the included angle between the conical pressurizing cavity 17 and the axis of the nozzle body 1 is 5-25 degrees, preferably 10-15 degrees. Through the design of conical pressurization cavity 17 and diversion trench 171, the effect of pressurization is provided for the mixed phase, the injection pressure of the swirl cavity is improved, and the improvement of the stability and uniformity of atomization at the outlet of the nozzle is facilitated.

The diameter of the first diameter section 15 is larger than that of the second diameter section 16, the outlet chamber 18 is connected with the outlet portion 3 by a first threaded portion 19 (which includes internal and external threads), and the outlet end portion of the nozzle body 1 has an axial flange 20, and the axial flange 20 is located at the radially outer periphery of the outlet chamber 18.

The pigment spraying device is used for glaze spraying, pigment spraying, color spraying or treating agent spraying and the like in the production process of ceramic products/products.

The axial relative position/gap length between the outlet end of the nozzle cap 2 and the axial flange 20 of the nozzle body 1 can be adjusted by adjusting the screwing length of the second threaded part 21, so that the outlet size of the third gas flow passage 13 is adjusted, and the injection pressure and the flow rate of the compressed gas are adjusted. The outlet part 3 and the spinning disk 4 are installed and fixed after the outlet part 3 is screwed into a preset position in the outlet cavity 18 through the first threaded part 19.

The gas channel g sequentially comprises a first gas flow channel 11, a second gas flow channel 12, a third gas flow channel 13 and a fourth gas flow channel 14, the first gas flow channel 11 is an axial flow channel, the second gas flow channel 12 is a radial flow channel, the third gas flow channel 13 is an inclined flow channel, an included angle between the third gas flow channel and the axis of the nozzle body 1 is 35-55 degrees, one end of the fourth gas flow channel 14 is connected to the first gas flow channel 11, the other end of the fourth gas flow channel is connected to the conical pressurizing cavity 17, the fourth gas flow channel 14 comprises a radial flow channel and an inclined flow channel, the flow areas of the radial flow channel and the inclined flow channel are different, the outlet of the fourth gas flow channel 14 is located in the flow guide groove 171, and the flow diameter of the outlet of the fourth gas flow channel 14 is smaller than or equal to the circumferential width of. Through the setting of toper pressure boost chamber 17, guiding gutter 171, before the whirl, gaseous and liquid accomplish once high-efficient mixing, and have the effect of pressure boost to the mixing phase, have higher impulse pressure before the rotation of drive spinning disk.

As shown in fig. 2-3, the outlet portion 3 sequentially includes a third diameter section 32 and a first tapered portion 33, the third diameter section 32 abuts against the swirl plate 4 through a plurality of balls 44, the balls 44 are disposed in an arc-shaped groove on an end surface of the third diameter section 32, an included angle between the first tapered portion 33 and an axis of the nozzle body 1 is 20-40 degrees, preferably 30 degrees, an arc-shaped protrusion 34 is disposed at one end of the first tapered portion 33 close to the liquid outlet, and the arc-shaped protrusion 34 is used for guiding the liquid at the end of the first tapered portion 33 to flow into one or more of the first outlet flow channel 35 and the second outlet flow channel 36, so as to reduce the generation of turbulence. The inner cavity of the first conical part 33 and the inner cavity of the third diameter section 32 together form a flow-collecting speed-increasing cavity, one or more first outlet flow channels 35 and a third outlet flow channel 37 are arranged on the outer periphery side of the first conical part 33, the first outlet flow channel 35 is positioned on the upstream side of the third outlet flow channel 37, the first outlet flow channel 35 is one or more inclined outlet flow channels, the outlet side of the first outlet flow channel 35 is connected with a second outlet flow channel 36, the outlet side of the third outlet flow channel 37 is connected with a fourth outlet flow channel 38, the third outlet flow channel 37 and the fourth outlet flow channel 38 are arranged in parallel with the axis of the nozzle body 1, the first outlet flow channel 35 and the third outlet flow channel 37 are arranged in an inclined manner to form an included angle of 30-60 degrees, preferably 45 degrees with the axis, and the flow area of the first outlet flow channel 35 and the third outlet flow channel 37 is larger than that of the second outlet flow channel 36, The flow area on the upstream side of the fourth outlet flow passage 38.

The second outlet flow passage 36 and the fourth outlet flow passage 38 are provided with concave parts 361 and 381 close to the outlet of the outlet part 3, the concave parts 361 and 381 are formed by two inclined planes, the inclined plane 362 close to the outlet side of the outlet part 3 forms an included angle of 5-15 degrees, preferably 10 degrees with the axis of the nozzle body 1, and the concave parts 361 and 381 can reduce pressure loss at the outlet of the nozzle, instability and nonuniformity of atomization, and accordingly reduce the risk of uneven thickness of the sprayed pigment.

The swirl plate 4 comprises a first swirl groove 41, a plurality of first swirl holes 42 and a plurality of second swirl holes 43, wherein the plurality of first swirl holes 42 are positioned at the radial periphery of the plurality of second swirl holes 43, the first swirl holes 42 and the second swirl holes 43 are communicated with the first swirl groove 41, and the included angles between the first swirl holes 42 and the second swirl holes 43 and the axis of the nozzle body 1 are 25-50 degrees, preferably 35-40 degrees; in a radial section, the included angle between the first swirl holes 42 and the radial direction is 30-50 degrees, such as 40 degrees, the included angle between the second swirl holes 43 and the radial direction is 30-50 degrees, such as 35 degrees, the number of the first swirl holes 42 is equal to that of the second swirl holes 43, or the number of the first swirl holes 42 is 1-1.5 times that of the second swirl holes 43.

This a spout pigment device for ceramic production technology, through design, the improvement of toper pressure boost chamber, exit portion, spinning disk structure, can improve atomizing stability, sufficiency, the homogeneity in nozzle exit, reduce the uneven risk of spraying pigment thickness, spray effectually, the save raw materials.

The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.