CN113681689B - Double-sided dovetail groove ceramic tile upper mold core and ceramic tile made thereof - Google Patents
Double-sided dovetail groove ceramic tile upper mold core and ceramic tile made thereof Download PDFInfo
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- CN113681689B CN113681689B CN202111086600.0A CN202111086600A CN113681689B CN 113681689 B CN113681689 B CN 113681689B CN 202111086600 A CN202111086600 A CN 202111086600A CN 113681689 B CN113681689 B CN 113681689B
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- 239000000919 ceramic Substances 0.000 title claims abstract description 84
- 230000001154 acute effect Effects 0.000 claims abstract 3
- 238000012545 processing Methods 0.000 abstract description 13
- 238000003825 pressing Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000011449 brick Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 8
- 239000004568 cement Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 108010068370 Glutens Proteins 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000021312 gluten Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
一种双边燕尾槽瓷砖上模芯及制成瓷砖，包括设置有凸起501和凹槽502的上模芯基体50和上模芯表面橡胶60，从而形成与所述凸起501和凹槽502对应的凸纹10和凹纹20，凸纹10和凹纹20相互间隔排列的布置于上模芯基体50的整个表面，所述凸纹10的凸纹顶部101宽度大于凸纹底部102宽度，所述凹纹20的凹纹顶部201开口宽度小于凹纹底部202宽度，凸纹顶部101设有凹陷部110，该凹陷部110的两端通过两个倒扣边（111,112）与凸纹10的两个斜边（103,104）连接形成锐角。本发明有益效果：由于采用双边燕尾槽模具压制，通过对压机参数的调整及对压机各部件的调整，实现在压机出砖后完全脱模，压制出的瓷砖生坯就具有双边燕尾槽背纹，一次成型，毋需数控雕刻机的后续加工。
A double-sided dovetail groove ceramic tile upper mold core and a ceramic tile made thereof, comprising an upper mold core base 50 provided with protrusions 501 and grooves 502 and an upper mold core surface rubber 60, so as to form convex patterns 10 and concave patterns 20 corresponding to the protrusions 501 and the grooves 502, the convex patterns 10 and the concave patterns 20 are arranged on the entire surface of the upper mold core base 50 in an interlaced manner, the width of the convex pattern top 101 of the convex pattern 10 is greater than the width of the convex pattern bottom 102, the opening width of the concave pattern top 201 of the concave pattern 20 is less than the width of the concave pattern bottom 202, the convex pattern top 101 is provided with a concave portion 110, and the two ends of the concave portion 110 are connected to the two oblique sides (103, 104) of the convex pattern 10 through two undercut edges (111, 112) to form an acute angle. The beneficial effects of the present invention are as follows: due to the use of a double-sided dovetail groove mold for pressing, by adjusting the parameters of the press and the various components of the press, complete demoulding is achieved after the press produces the tile, and the pressed tile green body has a double-sided dovetail groove back pattern, which is formed in one step and does not require subsequent processing by a CNC engraving machine.
Description
Technical Field
The invention relates to the field of ceramic tile production and manufacturing, in particular to a double-sided dovetail groove ceramic tile upper mold core and a ceramic tile manufactured by the same.
Background
In the existing ceramic tile production process, a ceramic tile blank is formed by performing ultrahigh pressure press molding on powder through a press, and then closing the die. In order to increase the joint surface of the green brick and the wall body, the back of the ceramic tile is provided with various back lines, such as long lines, flat lines, square lines, fan-shaped lines, messy lines and the like, and the various lines are characterized in that the front demoulding is carried out, namely, ribs on the back of the green brick are small in upper opening and large in lower opening, the pattern of the back lines determines that the green brick is easy to fall off when being combined with the wall body, in order to reduce the falling risk, the falling rate can only be reduced by deepening the depth of the back lines, but the consequent deepening of the back lines can bring about the ceramic tile penetrating bottom, and the depth of the back lines deepens, in the pressing process of the press, the upper and lower falling differences of the depth of the mould are too large, and the stress of each point of the pressed green brick is uneven in the pressing process of the press, so that the mass density of each point of the green brick is different, the shrinkage rate is different, the flatness of the ceramic tile is insufficient, the falling phenomenon is easy to occur in the sintering process of the green brick, the falling phenomenon is easy to occur, the falling phenomenon is caused, the falling rate is reduced, the falling rate is increased along with the increase of the depth of the back lines, the falling rate is limited in practice, and the tile depth is controlled within 2 mm.
The back of the decoration ceramic tile commonly used in the building field is a designed rough plane or a ceramic tile with various patterns with small upper opening and large lower opening on the back gluten, and after the ceramic tile is combined with the building surface, the ceramic tile contacts with cement and other adhesive substances, has poor adhesive effect and is easy to fall off from the building surface, so that the use and the appearance are affected, and the falling ceramic tile has great danger.
Later, a ceramic tile with single-sided dovetail groove patterns in the four corner areas of the back surface appears, and the adhesive force of the ceramic tile and the adhesive is increased, but the single-sided dovetail groove is only provided with the dovetail groove on one side of the patterns far away from the center of the ceramic tile, and the patterns with the dovetail groove are only distributed in the four corner areas far away from the center of the ceramic tile, so that the ceramic tile has the single-sided anti-falling effect, the adhesive force is still not firm enough, and the problem of tile falling is not fundamentally solved. The existing technology for manufacturing the ceramic tile with the dovetail grooves and the back patterns has the following defects that 1. Energy cannot be produced, the efficiency is low, and the ceramic tile green body pressed by the technology is processed by a numerical control engraving machine, so that the engraving speed of the numerical control engraving machine is low. 2. The quality is unstable, because the pressed green bricks are processed in a numerical control manner in the movement process of the belt roller, the green bricks vibrate in the movement process and move unevenly, and the numerical control engraving knife vibrates in the high-speed operation process, the green bricks are easy to damage and even break under the acting force of the belt roller and the numerical control knife, and various problems such as cracks and the like can occur in the firing process of the damaged green bricks, so that the green bricks cannot form an effective dovetail groove structure after firing, and the anti-drop effect cannot be achieved. 3. The cost is wasted, namely, the single-sided dovetail groove is produced by assembling and processing through a special die, the cost is high, the green body is pressed and then processed through a numerical control engraving machine, a numerical control cutter is wasted, a numerical control machine tool is wasted, and labor is wasted. 4. After the green body is pressed, a numerical control engraving machine is added, the cost is increased, a plurality of rows of equipment such as dust removal and the like are added, and the dust is very large during numerical control engraving. 5. The efficiency is low, the brick discharging speed cannot be too high, otherwise the numerical control engraving machine cannot complete engraving, and the time is consumed.
In order to solve the problems, the inventor skillfully utilizes the stress concentration phenomenon of rubber on the upper mold core surface in the process of pressing the tile blank by means of intensive research and repeated experiments to develop a tile upper mold in a double-sided dovetail groove back pattern form and a manufactured tile, and the manufactured double-sided dovetail groove structure tile blank back pattern rib is large in upper opening and small in lower opening, so that the joint surface of the tile blank and a wall body can be effectively increased, and the tile blank is not easy to fall off.
The technical scheme provided by the invention can comprehensively solve the problem of tile falling prevention, and has the following beneficial technical effects that 1. The method realizes mass production, namely, due to the adoption of the double-sided dovetail groove die for pressing, the complete demoulding after the tile is discharged from the press is realized through the adjustment of the parameters of the press and the adjustment of all parts of the press, and the pressed tile green body has double-sided dovetail groove back patterns, is formed at one time and does not need the subsequent processing of a numerical control engraving machine. 2. The quality is stable, and the pressed green bricks do not need numerical control processing procedures, so that the problem that the green bricks are damaged by numerical control processing vibration does not exist. 3. The cost is saved, no special die assembly processing is needed when the double-sided dovetail groove is produced, the cost is low, the green compact is not needed to be processed by a numerical control engraving machine after being pressed, the input cost of numerical control engraving machine series equipment is saved, and the consumption cost and the labor cost of a numerical control cutter are also saved. 4. The production efficiency is high, the brick discharging speed is high, and bricks can be discharged from multiple cavities, but the bricks cannot be discharged from multiple cavities in the prior art which needs subsequent processing by a numerical control engraving machine.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a double-sided dovetail groove ceramic tile upper mold core and a manufactured ceramic tile, wherein the manufactured ceramic tile can be firmly adhered to a building surface, and when the manufactured ceramic tile is used for building decoration, the back surface is used for being adhered to the building surface and is provided with a plurality of grooves with unequal lengths. The width of the concave bottom of the groove is larger than the width of the notch, and the groove bottom is provided with an inclined plane in an eight-symbol mode. The adhesive enters the groove to form an adhesive hooking part with large inside and small outside, and the hooking effect can greatly enhance the adhesive force between the adhesive and the ceramic tile, so that the ceramic tile is not easy to fall off.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows.
The utility model provides a bilateral dovetail ceramic tile upper mold core, includes upper mold core base 50 and upper mold core surface rubber 60 that is provided with arch 501 and recess 502, upper mold core surface rubber 60 integrated into one piece pastes and covers on upper mold core base 50 to form burr 10 and concave line 20 that corresponds with arch 501 and recess 502, burr 10 and concave line 20 each other interval arrangement arrange in the whole working face surface of upper mold core base 50, burr top 101 width of burr 10 is greater than burr bottom 102 width, concave line top 201 opening width of concave line 20 is less than the width of concave line bottom 202, two hypotenuse 103, 104 of burr 10 and the plane that adjacent concave line bottom 202 lies form angle alpha, burr top 101 is equipped with depressed part 110, the both ends of this depressed part 110 are connected through two undercut edges 111, 112 and two hypotenuse 103, 104 of burr 10 form angle beta, angle alpha, beta are sharp angle and alpha > beta, depressed part 110 extends along the whole length of burr 10.
Optionally, as described above, the concave portions 110 provided on the top 101 of the ridge are two or more, and a protruding ridge 113 is provided between two adjacent concave portions 110, and the top ends of the ridge 113 and the top ends of the ridge 10 are in the same horizontal plane.
Optionally, the upper mold core of the double-sided dovetail groove ceramic tile is formed by making the width of the bottom 102 of the convex pattern be a and the width of the top 101 of the convex pattern be b, wherein the values of a and b satisfy the following relations that a is less than or equal to 3 mm and less than or equal to 8 mm, and b is less than or equal to 1 mm and less than or equal to b-a is less than or equal to 6 mm.
Alternatively, the upper mold core of the double-sided dovetail groove ceramic tile is as described above, and the width of the concave portion 110 is e, and the value of e satisfies the following relationship that 0.3 mm is less than or equal to e <3 mm.
Optionally, the height difference between the concave portion 110 and the top end of the convex pattern 10 is c, and the value of c satisfies the following relationship that 0.1 mm is less than or equal to c is less than or equal to 0.8 mm.
Alternatively, the height difference between the top ends of the convex patterns 10 and the concave pattern bottom 202 is h, and the value of h satisfies the following relationship that 0.5 mm is less than or equal to h is less than or equal to 2mm.
Optionally, the upper die core of the double-sided dovetail groove ceramic tile has the value of the angle beta which is 5 degrees less than or equal to beta less than or equal to 89 degrees.
Alternatively, the width of the concave groove bottom 202 is f, and the f value satisfies the relationship that 3mm < f < 8mm.
The double-sided dovetail groove back grain ceramic tile is formed by pressing the upper die core of the double-sided dovetail groove ceramic tile, double-sided dovetail groove concave grains 1001 are distributed in the whole back surface area of the ceramic tile, two sharp edges with an angle beta are formed on two sides of the bottom of the double-sided dovetail groove concave grains 1001, and a protruding portion 1101 is arranged at the bottom of the double-sided dovetail groove concave grains 1001.
Compared with the prior art, the double-sided dovetail groove ceramic tile upper mold core and the manufactured ceramic tile have the advantages that the upper mold core is simple and firm in structure, double-sided dovetail groove ribs are distributed on the whole working surface of a mold, the double-sided dovetail groove ceramic tile is manufactured by integrally forming and covering an upper mold core iron matrix, double-sided dovetail grooves are formed without adopting a special mold, double-groove double-sided dovetail grooves with eight shapes are formed in the back groove grooves of the manufactured ceramic tile, compared with the prior art, the double-sided dovetail groove ceramic tile upper mold core and the manufacturing method break through conventional processing by changing an engraving technology on a mold master mold, and a dovetail mold master mold is engraved by a numerical control engraving machine, so that breakthrough of a demoulding technology is realized. The produced ceramic tile has deep back grain, smooth surface, double-sided dovetail groove with excellent structural force, and the back grain may be long grain, square grain, flat grain, sector grain, random grain, etc. and has adhered ceramic tile and adhesive layer to form double-sided rigid mortise and tenon structure to prevent ceramic tile from falling off.
The invention provides a double-sided dovetail groove ceramic tile upper mold core and a ceramic tile manufactured by the same, which have the following outstanding technical progress and beneficial technical effects that 1. The double-sided dovetail groove ceramic tile upper mold core and the ceramic tile manufactured by the same realize mass production, namely, the double-sided dovetail groove back pattern is formed by the pressed ceramic tile green body after the ceramic tile is completely demoulded after the ceramic tile is discharged by a press through the adjustment of parameters of the press and the adjustment of all parts of the press, and a numerical control engraving machine is not needed for subsequent processing. 2. The quality is stable, and the pressed green bricks do not need numerical control processing procedures, so that the problem that the green bricks are damaged by numerical control processing vibration does not exist. 3. The cost is saved, no special die assembly processing is needed when the double-sided dovetail groove is produced, the cost is low, the green compact is not needed to be processed by a numerical control engraving machine after being pressed, the input cost of numerical control engraving machine series equipment is saved, and the consumption cost and the labor cost of a numerical control cutter are also saved. 4. The production efficiency is high, the brick discharging speed is high, and bricks can be discharged from multiple cavities, but the bricks cannot be discharged from multiple cavities in the prior art which needs subsequent processing by a numerical control engraving machine.
Drawings
FIG. 1 is a schematic cross-sectional view of an upper mold core of a double-sided dovetail groove ceramic tile provided by the invention.
Fig. 2 is a schematic cross-sectional view of a ceramic tile manufactured by the upper die core of the double-sided dovetail groove ceramic tile provided by the invention.
Fig. 3 is a schematic diagram of a double-sided dovetail groove tile upper mold core and a tile forming state.
Fig. 4 is a schematic plan view of a ceramic tile made from the upper mold core of the double-sided dovetail groove ceramic tile provided by the invention.
FIG. 5 is a second schematic plan view of a two-sided dovetail tile made from the core of the present invention.
FIG. 6 is a third schematic plan view of a dual sided dovetail tile upper mold core made into a tile in accordance with the present invention.
The surface rubber mold comprises 10-convex lines, 101-convex line top, 102-convex line bottom, 103, 104-oblique sides, 110-concave parts, 111, 112-inverted sides, 113-ridges, 1001-double-sided dovetail groove concave lines, 1101-convex parts, 20-concave lines, 201-concave line top, 202-concave line bottom, 50-upper mold core matrix, 501-convex parts, 502-concave grooves and 60-upper mold core surface rubber.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
The structures, proportions, sizes, etc. of the present disclosure are shown and described only in conjunction with the present disclosure, and therefore should not be construed as limiting the scope of the invention, which is defined by the appended claims, without any technical essential importance, however, any structural modifications, proportional changes, or dimensional adjustments should fall within the scope of the present disclosure without affecting the efficacy or achievement of the present invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
The following examples are given by way of illustration only. Various embodiments may be combined and are not limited to only what is presented in the following single embodiment.
Referring to fig. 1 to 3, an upper mold core of a double-sided dovetail groove tile comprises an upper mold core base 50 provided with a protrusion 501 and a groove 502 and an upper mold core surface rubber 60, wherein the upper mold core surface rubber 60 is integrally formed and adhered on the upper mold core base 50, so as to form a convex rib 10 and a concave groove 20 corresponding to the protrusion 501 and the groove 502, the convex rib 10 and the concave groove 20 are mutually arranged on the whole surface of the upper mold core base 50 at intervals for pressing a working surface of the tile, the width of the convex rib top 101 of the convex rib 10 is larger than the width of the convex rib bottom 102, the width of the concave groove top 201 of the concave groove 20 is smaller than the width of the concave groove bottom 202, two inclined edges 103 and 104 of the convex rib 10 and the plane of the adjacent concave groove bottom 202 form an angle, and, for convenience of description, the angle is alpha, the convex rib top 101 is provided with a concave groove 110, two ends of the concave groove 110 are connected with two inclined edges 103 and 104 of the convex rib 10 through two inverted edges 111 and 112, and another angle is formed, for convenience of description, the angle is beta, the angle is alpha, the angle is of course alpha, and the angle is smaller than the whole angle of the concave rib 110 can be understood to extend along the whole length of the concave groove 10. The upper core surface rubber 60 is, for example, a vulcanized rubber having a thickness of 3mm and a hardness of 93 degrees. Illustratively, all of the female pattern bottoms 202 may be on the same level and all of the male pattern tops 101 may be on a different, additional level.
Alternatively, as described above, the number of the concave portions 110 provided on the top 101 of the ridge may be two or more, and at this time, a protruding ridge 113 is provided between two adjacent concave portions 110, and the top ends of the ridge 113 and the top ends of the ridge 10 are on the same horizontal plane. It will be appreciated that the ridges 113 may extend along the entire length of the ridge 10 that is distributed over the upper core, or may be discontinuous.
Preferably, for convenience of description, the width of the bottom 102 of the convex pattern is a, and the width of the top 101 of the convex pattern is b, wherein the values of a and b satisfy the following relations that 3 mm < a < 8 mm and 1 mm < b-a < 6 mm.
Preferably, the upper mold core of the double-sided dovetail groove ceramic tile is described above, and for convenience of description, the width of the concave portion 110 is set to be e, and the value of e satisfies the following relationship that 0.3 mm +.e <3 mm.
Preferably, the upper mold core of the double-sided dovetail ceramic tile is described above, and for convenience of description, the height difference between the concave portion 110 and the top end of the ridge 10 is set to be c, where the value of c satisfies the following relationship that 0.1 mm c is less than or equal to 0.8 mm.
Preferably, the upper mold core of the double-sided dovetail groove ceramic tile is provided with a height difference h between the top of the convex pattern 10 and the bottom of the concave pattern 202 for convenience of description, wherein the value h satisfies the following relationship of 0.5mm +.h +.2 mm.
Preferably, the value of the angle beta of the upper mold core of the double-sided dovetail groove ceramic tile is equal to or less than 5 degrees and equal to or less than 89 degrees.
Preferably, the width of the concave bottom 202 is f, and the value of f satisfies the relationship that 3mm +.f +.8 mm, for the convenience of description.
Referring to fig. 2 to 6, a double-sided dovetail groove back-grain tile is formed by pressing a double-sided dovetail groove tile upper mold core as described above, double-sided dovetail groove concave grain 1001 is distributed in the whole area of the tile, two sharp edges with an angle beta are formed on two sides of the bottom of the double-sided dovetail groove concave grain 1001, and a protruding portion 1101 is arranged at the bottom of the double-sided dovetail groove concave grain 1001.
According to the tile provided by the invention, in the paving process, cement slurry enters the double-dovetail groove concave groove 1001 through the opening of the double-dovetail groove concave groove 1001 in the cement grouting process, and when the cement slurry flows into the convex part 1001 after entering the double-dovetail groove concave groove 1001, the convex part 1001 is higher than the bottom of the double-dovetail groove concave groove 1001, so that the cement slurry can more effectively and completely enter two corners at the bottom of the double-dovetail groove concave groove 1001, and the cement slurry and the tile are filled to achieve seamless combination, so that the anti-falling effect can be achieved by effectively utilizing the double-dovetail groove structure of the double-dovetail groove 1001.
The height difference c between the protruding portion 1001 and the bottom of the double-dovetail groove concave groove 1001 determines the depth of the back-fastening of the double-dovetail groove concave groove 1001 and the inclination of the protruding portion 1001 to the bottom of the double-dovetail groove concave groove 1001, namely the angle beta, so that the filling speed of cement paste is determined, and the opening width of the double-dovetail groove concave groove 1001, namely the value a, is matched with the filling speed of cement paste, so that the anti-falling effect of the ceramic tile and the demoulding effect of the upper mould core during ceramic tile forming are determined.
By implementing the technical scheme provided by the invention, when the ceramic tile blank is pressed and formed, the ceramic tile blank is pressed and formed through the integral simultaneous stress action of the upper mold core and the lower mold core in the mold cavity, the ceramic tile blank has the internal stress with the same reaction force during pressurization, the upper punch magnetic plate is electrified, the upper mold core is adsorbed on the upper magnetic plate, the lower mold core is adsorbed on the assembly magnetic plate, the upper punch descends to form 29000KN under the high pressure, so that the ceramic tile powder forms a green brick in the mold cavity, and an eight-shaped double-sided dovetail groove with a small upper opening and a large lower opening is formed in the back groove after the green brick is formed. Because the bottom of the double-sided dovetail groove concave pattern 1001 on the back of the green brick is provided with the convex portion 1101, the effect that pressure is concentrated to two sides of the convex portion 1101 can be generated in the high-pressure pressing process, under the action of the high-pressure, the upper mold core surface rubber 60 can deform from the convex portion 1101 to two corners of the bottom of the double-sided dovetail groove concave pattern 1001, rubber layers at the two corners become thicker, the rubber deformation can be contracted to a state before deformation after the upper mold core loses pressure, the double-sided dovetail groove concave pattern 1001 on the green brick is not matched with the upper mold core convex pattern 10 any more, and the whole demolding action is completed by sliding up the demolding gradient position of the upper mold core convex pattern 10 from the center to the outside.
It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The double-sided dovetail groove ceramic tile upper mold core and the ceramic tile manufactured by the double-sided dovetail groove ceramic tile upper mold core are described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (10)
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| CN202111086600.0A CN113681689B (en) | 2021-09-16 | 2021-09-16 | Double-sided dovetail groove ceramic tile upper mold core and ceramic tile made thereof |
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| CN202111086600.0A CN113681689B (en) | 2021-09-16 | 2021-09-16 | Double-sided dovetail groove ceramic tile upper mold core and ceramic tile made thereof |
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| CN113681689B true CN113681689B (en) | 2025-04-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060290A (en) * | 2020-09-23 | 2020-12-11 | 陈锐 | Concentric ring single-side dovetail groove ceramic tile back mold core and manufactured ceramic tile |
| CN113146810A (en) * | 2021-04-20 | 2021-07-23 | 珠海市斗门区旭日陶瓷有限公司 | Ceramic tile mould and ceramic tile made by same |
| CN218488678U (en) * | 2021-09-16 | 2023-02-17 | 于瑶瑶 | Ceramic tile upper mold core with double dovetail grooves and manufactured ceramic tile |
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| CN1370667A (en) * | 2001-02-23 | 2002-09-25 | 艾伦布洛克公司 | Process of preparing superposed concrete block |
| EP1287956A1 (en) * | 2001-08-28 | 2003-03-05 | Allan Block Corporation | Method of producing stackable concrete blocks |
| CN104805993A (en) * | 2015-05-22 | 2015-07-29 | 黑龙江远东木业有限公司 | Double-dovetail spliced leather floor and splicing method |
| CN109397488B (en) * | 2018-12-26 | 2024-10-08 | 陈锐 | Self-stress hydraulic dovetail groove ceramic tile mold and ceramic tile pressed by same |
| CN112248197B (en) * | 2020-11-23 | 2024-11-19 | 陈锐 | A four-corner single-side dovetail groove ceramic tile back mold core and ceramic tile made thereof |
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| CN112060290A (en) * | 2020-09-23 | 2020-12-11 | 陈锐 | Concentric ring single-side dovetail groove ceramic tile back mold core and manufactured ceramic tile |
| CN113146810A (en) * | 2021-04-20 | 2021-07-23 | 珠海市斗门区旭日陶瓷有限公司 | Ceramic tile mould and ceramic tile made by same |
| CN218488678U (en) * | 2021-09-16 | 2023-02-17 | 于瑶瑶 | Ceramic tile upper mold core with double dovetail grooves and manufactured ceramic tile |
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