CN101941240B

CN101941240B - Tile forming mold core

Info

Publication number: CN101941240B
Application number: CN201010288952XA
Authority: CN
Inventors: 李德发; 黄海淀
Original assignee: QUANZHOU SANKING TOOLING CO Ltd
Current assignee: QUANZHOU SANKING TOOLING CO Ltd
Priority date: 2010-09-21
Filing date: 2010-09-21
Publication date: 2012-02-29
Anticipated expiration: 2030-09-21
Also published as: CN101941240A

Abstract

The invention provides a tile forming mold core comprising a mold core body. A rubber layer covers the pressure-bearing working surface of the mold core body. A plurality of grooves arranged along the length direction of the mold core body are arranged on the pressure-bearing working surface of the rubber layer at intervals. The tile forming mold core is characterized in that oil tanks are respectively and hollowly arranged on the pressure-bearing working surface of the mold core body corresponding to the grooves on the rubber layer; and oil injecting holes and oil discharging holes, communicated with all oil tanks, are arranged on the mold body; the oil tanks corresponding to the groove of each rubber layer are divided into a plurality of oil tank segments through spacing walls in the length direction; oblique through holes communicating all the oil tank segments are arranged at the bottoms of the corresponding ends of at least part of adjacent oil tank segments. After oil is injected to the oil tanks of the mold core body, the surface fluctuation of the rubber layer is lower so that the pressed tile has high structural strength and attractive appearance.

Description

The ceramic tile formation die core

Technical field

The present invention relates to the tile mould technical field, a kind of rubber layer pressure-bearing working face that prevents of more specifically saying so occurs wavy in pressing process and influences the core rod of ceramic tile quality.

Background technology

General rubber combined tile mould mainly is made up of base plate, buffer stopper, center and core rod etc. at present; Be coated with the vulcanie layer on the pressure-bearing working face of core rod; Because cloth inequality or powder are inconsistent, the repressed brick base is prone to phenomenons such as concentric reducer, cutter are curved, waisting, the tripe that rises, interlayer.A kind of advanced malleation core rods such as oiling capsule-type; In the rubber layer of core rod, be provided with the oiling capsule body; Be evenly equipped with the oil groove of connection in the oiling capsule body; The oiling capsule body is provided with the pouring orifice and drain tap to the core rod outside, and this core rod makes adobe stressed even when compression moulding, can solve the defective of common die.But; Still there is deficiency in malleation core rods such as above-mentioned oiling capsule-type: when the rubber layer local compression is inhomogeneous; Hydraulic oil in the oiling capsule body fluctuation occurs with the stressed difference of rubber layer, and the rubber layer that rubber layer sink, pressurized is little that pressurized is big is heaved, and it is wavy to cause the rubber layer end face to occur; Wavy surface will appear in the adobe of making thus, influence the structural strength and the profile of adobe.In addition, existing ceramic tile formation die core body adopts chromium steel one-body molded usually, and the chromium steel extreme hardness after the machine-shaping, when core rod body part particularly cutting edge must integral body scrap after impaired, be difficult to processing and utilization once more, the high and waste resource of cost.

Summary of the invention

The present invention provides a kind of ceramic tile formation die core, and its purpose is to overcome that hydraulic oil in the existing core rod oil groove is stressed does not cause rubber layer to occur wavy simultaneously easily and influence the shortcoming of ceramic tile quality.

Technical scheme provided by the invention is following:

The ceramic tile formation die core; Comprise the core rod body; Be coated with rubber layer on the pressure-bearing working face of core rod body; Be laid with many grooves that run through its length direction on the pressure-bearing working face of this rubber layer, it is characterized in that: be concaved with oil groove respectively on the core rod body pressure-bearing working face of said every slat gum layer groove correspondence; Said core rod body is provided with oil filler point and the draining hole that is interconnected with all oil grooves; The corresponding oil groove of said every slat gum layer groove is divided into a plurality of oil groove sections at length direction through spaced walls; At least be provided with the oblique through hole that all oil groove sections are interconnected between the bottom of the adjacent oil groove section of part corresponding end.

Be respectively equipped with the oblique through hole that is connected between the bottom of the adjacent oil groove section corresponding end on above-mentioned every oil groove; Said oil filler point, draining hole branch are located at the two bottom sides of core rod body, oil filler point, draining hole respectively with every oil groove of respective side on the oil groove section connect; Oil filler point, draining hole are respectively through plug screw, sealing gasket sealing.

Be respectively equipped with the oblique through hole that is connected between the bottom of above-mentioned all adjacent oil groove section corresponding end; Said oil filler point, draining hole branch are located on the core rod body of oil groove below, and oil filler point, draining hole connect with an oil groove section of respective side respectively; Oil filler point, draining hole are respectively through plug screw, sealing gasket sealing.Oil filler point, draining hole can be on the side that horizontal arrangement is opened in the core rod body, also can vertically be vertical at the core rod body

Above-mentioned core rod body also is provided with the auxiliary pressurization hole through plug screw, sealing gasket sealing, and this auxiliary pressurization hole and above-mentioned oil groove are interconnected.

Above-mentioned core rod body comprises the core rod steel body that No. 45 steel of employing are processed and adopts the built-up welding cutting edge of wearproof alloy weld rod built-up welding on core rod steel body pressure-bearing working face.

The above-mentioned ceramic tile formation die core course of work is following: earlier through oil filler point oiling in oil groove; After oil in the oil groove is filled with; The plug screw that utilization is earlier screwed, sealing gasket are with draining hole complete closed; Keep simultaneously to the oil filler point oiling, again with the plug screw sealing pressurization hole that is arranged with sealing gasket and only the front portion of this plug screw is screwed in the pressurization hole, the plug screw on the hole of pressurizeing this moment is not screwed fully; Then, utilize plug screw, the sealing gasket complete closed oil filler point of screwing; At last, the plug screw on the pressurization hole is screwed fully,, impelled the interior oiling of oil groove more full, improve the automatically equalizing voltage effect being enclosed in the fluid oil pressurization in the oil groove.

Can know through the above-mentioned description of this invention, and comparing with prior art, the invention has the advantages that:

One, is concaved with the oil groove that constitutes along core rod body length direction separation and the oil groove section that is connected by multistage on the pairing core rod body of the groove of the rubber layer pressure-bearing working face pressure-bearing working face respectively; Be interconnected through oblique through hole between the bottom of its adjacent oil groove section; The oil groove section that adopts section gap to arrange can play the automatically equalizing voltage effect on the one hand when the rubber layer local compression is uneven; Another side can overcome to greatest extent the rubber layer local compression when uneven and occur wavy, the tile appearance good planeness of moulding.The groove forming ceramic tiles of rubber layer pressure-bearing working face expose common raised line; The groove that caves in of the raised line forming ceramic tiles between the groove of adjacent rubber layer pressure-bearing working face; And the powder thickness of the rubber layer pressure-bearing working face concave part in the moulding pressing process is big; Compare with other parts; The local pressure inequality appears in rubber layer pressure-bearing working face concave part more easily, thereby the present invention only is provided with oil groove at the forming ceramic tiles convex strip portions, has not only played the automatically equalizing voltage effect but also solved malleation core rod such as existing oiling capsule-type to occur wavy deficiency easily; Guarantee rubber layer working stability, isobaric effective, also improve the quality of ceramic tile simultaneously.The ceramic tile flat appearance of this ceramic tile formation die core compacting, stacked back is uniform, is convenient to vanning.

Two, the core rod body comprises the core rod steel body that No. 45 steel of employing are processed and adopts the built-up welding cutting edge of wearproof alloy weld rod built-up welding on core rod steel body pressure-bearing working face; Replace existing whole chromium steel core rod; When core rod body part particularly cutting edge impaired after; Can repair processing and utilization once more, avoid the wasting of resources, reduce cost.

Description of drawings

Fig. 1 is the structural representation of first embodiment of the invention.

Fig. 2 is the upward view of Fig. 1.

Fig. 3 is the cutaway view along A-A direction among Fig. 1.

Fig. 4 is the cutaway view along B-B direction among Fig. 2.

Fig. 5 is the core rod body construction sketch map among Fig. 1.

Fig. 6 is the cutaway view along C-C direction among Fig. 5.

Fig. 7 is the core rod main body structure sketch map that second embodiment of the invention provides.

Fig. 8 is the cutaway view along D-D direction among Fig. 7.

Fig. 9 is the cutaway view of the ceramic tile formation die core that provides of most preferred embodiment of the present invention.

The specific embodiment

Embodiment one: can find out that from Fig. 1 to Fig. 4 the ceramic tile formation die core comprises the core rod body 1 that adopts the whole machine-shaping of chromium steel.Be coated with rubber layer 2 on the pressure-bearing working face of core rod body 1; The groove 21 that is laid with a plurality of separation on the pressure-bearing working face of this rubber layer 2, arranges along core rod body 1 length direction is concaved with oil groove 11 on the core rod body 1 pressure-bearing working face corresponding with groove on the rubber layer 21.To shown in Figure 6, every oil groove 11 is made up of along the spaced apart strip oil groove of core rod body 1 length direction section 111 multistage like Fig. 3, connects each other through the oblique through hole 3 that is " V " font between the bottom of adjacent oil groove section 111 on every oil groove 11.Extremely shown in Figure 5 like Fig. 2; The both sides, middle and lower part of core rod body 1 sidewall are arranged with horizontal arrangement oil filler point 12, the draining hole 13 that is interconnected with oil groove 11, on the core rod body 1 between oil filler point 12, the draining hole 13, are provided with the auxiliary pressurization of the horizontal arrangement hole 14 that is interconnected with oil groove 11.But be not limited to this, oil filler point 12, draining hole 13, auxiliary pressurization hole 14 also can vertically vertically be arranged in the multiple arrangements such as bottom surface of core rod body 1.With reference to Fig. 6, in the present embodiment, do not offer the oblique through hole that connects between the oil groove section 111 on the adjacent oil groove 11.

With reference to Fig. 3, Fig. 4 and Fig. 5.Oil filler point 12, draining hole 13 respectively with all oil grooves of respective side on each oil groove section 111 connect; Through plug screw, sealing gasket sealing, oil filler point 12 also is provided with check valve (not shown plug screw, sealing gasket, check valve) respectively for oil filler point 12, draining hole 13, auxiliary pressurization hole 14.

Embodiment two: with reference to Fig. 7 and Fig. 8.What present embodiment and embodiment one were different is: oil filler point 12, draining hole 13 respectively only with an oil groove of respective side on oil groove section 111 connect, directly do not connect with other oil grooves 11; And all connect each other between the bottom of adjacent oil groove section 111 on corresponding oil groove section 111 and every the oil groove 11 on the adjacent oil groove 11 through the oblique through hole 3 that is " V " font.All the other structures are identical with embodiment one, repeat no more at this.

Most preferred embodiment: with reference to Fig. 9.What present embodiment and the foregoing description one, embodiment two were different is: core rod body 1 comprises the core rod steel body 1a that adopts No. 45 steel to process; Pressure-bearing working face week edge at core rod steel body 1a is provided with the slope mouth, on the slope mouth of core rod steel body 1a, adopts wearproof alloy weld rod built-up welding built-up welding cutting edge 1b to constitute, and replaces the monoblock type chromium steel core rod body in the foregoing description; When core rod body part particularly cutting edge impaired after; Can repair processing and utilization once more, avoid the wasting of resources, reduce cost.All the other structures are not described in detail at this with reference to embodiment one or embodiment two.

Above-mentionedly be merely the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.

Claims

1. ceramic tile formation die core; Comprise the core rod body; Be coated with rubber layer on the pressure-bearing working face of core rod body; Be laid with many grooves that run through its length direction on the pressure-bearing working face of this rubber layer, it is characterized in that: be concaved with oil groove respectively on the core rod body pressure-bearing working face of said every slat gum layer groove correspondence; Said core rod body is provided with oil filler point and the draining hole that is interconnected with all oil grooves; The corresponding oil groove of said every slat gum layer groove is divided into a plurality of oil groove sections at length direction through spaced walls; At least be provided with the oblique through hole that all oil groove sections are interconnected between the bottom of the adjacent oil groove section of part corresponding end.

2. ceramic tile formation die core according to claim 1 is characterized in that: be respectively equipped with the oblique through hole that is connected between the bottom of the adjacent oil groove section corresponding end on said every oil groove; Said oil filler point, draining hole branch are located on the core rod body of oil groove below, oil filler point, draining hole respectively with every oil groove of respective side on the oil groove section connect; Oil filler point, draining hole are respectively through plug screw, sealing gasket sealing.

3. ceramic tile formation die core according to claim 2 is characterized in that: also be provided with check valve on the said oil filler point.

4. ceramic tile formation die core according to claim 1 is characterized in that: be respectively equipped with the oblique through hole that is connected between the bottom of all adjacent oil groove section corresponding end; Said oil filler point, draining hole branch are located at the two bottom sides of core rod body, and oil filler point, draining hole connect with an oil groove section of respective side respectively; Oil filler point, draining hole are respectively through plug screw, check valve, sealing gasket sealing.

5. ceramic tile formation die core according to claim 4 is characterized in that: also be provided with check valve on the said oil filler point.

6. ceramic tile formation die core according to claim 1 is characterized in that: said core rod body also is provided with the auxiliary pressurization hole through plug screw, sealing gasket sealing, and this auxiliary pressurization hole and above-mentioned oil groove are interconnected.

7. according to the arbitrary described ceramic tile formation die core of claim 1 to 6, it is characterized in that: said core rod body comprises the core rod steel body that No. 45 steel of employing are processed and adopts the built-up welding cutting edge of wearproof alloy weld rod built-up welding on core rod steel body pressure-bearing working face.