CN206184509U - Diameter is less than 2000mm's broken wall of two ingredients of cone sand making machine - Google Patents

Abstract

The utility model relates to a cone sand making machine can satisfy the broken wear -resisting requirement of rubble at system sand in -process, can satisfy the diameter is less than 2000mm's broken wall of two ingredients of cone sand making machine of the wear -resisting requirement of the system that rolls sand again, and broken wall upper portion is potassium steel, broken wall lower part is high -carbon chromium steel. The advantage: firstly, fundamentally has solved the broken wall of homogenous material at system sand in -process, because the building stones of different specifications are different to the wearing and tearing volume of broken wall, the broken wall upper portion wearing and tearing that cause are little, the lower part wearing and tearing are big and the system that rolls sand chamber shape that lead to forms the critical defect of recess and unable system sand, secondly, the potassium steel on the broken wall upper portion wearing and tearing volume that rolls system sand chamber in produced wearing and tearing volume of broken building stones and high -carbon chromium steel broken wall lower part is unanimous relatively.

Description

Circular cone sand making machine double-component crushing wall of the diameter less than 2000mm

Technical field

The utility model be related to a kind of circular cone sand making machine can meet during sand processed to rubble crush wear-resisting requirement, The circular cone sand making machine double-component crushing wall of the diameter less than 2000mm of the wear-resisting requirement for rolling sand processed can be met again, belong to conical sand making Machine component assembly manufactures field.

Background technology

CN102294280A, title " cone sand making machine Special high-chromium crushing wall and assembly ", it includes crushing wall assembly, The crushing wall material is high chromium white antifriction cast iron, and its chromium content is more than or equal to 9%, equal to or less than 32%.Advantage：One is Crushing wall anti-wear performance is greatly improved, and its wearability is 5 times or so of current potassium steel crushing wall, and not only service life is prolonged significantly Grow, and the use cost of user is greatly reduced；Two is to realize to improve the wear-resistant casting of high chromium white with the structure of physics The impact resistance of iron crushing wall, has effectively been sustained the impulsive force suffered by high chromium white antifriction cast iron crushing wall, solves height Chromium spoken parts in traditional operas antifriction cast iron crushing wall is hit the defect of cracky.But, due to circular cone sand making machine during sand processed from stone That expects is crushed to two kinds of different working conditions of sand system processed, and its crushing wall top is used to crush building stones, and building stones are to crushing wall top What is formed is impact load and contact extruding, and it is not know, be not all of contact that building stones and crushing wall formed Impact extruded rubble coordinate, it is thus relatively small to the state of wear on crushing wall top；And crushing wall bottom is to roll sand portion processed, Full contact that broken small building stones are formed with crushing wall, plyability are rolled, and it is located at broken small between crushing wall and rolled mortar wall Under the small strength in crushing wall and crushing wall of stone is rolled, sandstone is to crushing wall（Also rolled mortar wall is included）Abrasion it is extremely serious.Such as Fruit adopts homogenous material and makes crushing wall, either manganese steel, or rich chromium cast iron, because the building stones of different size are to crushing wall Wear extent it is different, as a result cause that crushing wall Upper wear is small, middle part abrasion opposite upper parts are small and bottom weares and teares to form groove Situation, causes crushing wall to wear and tear, and blanking velocity is slow, the increase of machine electric current, indicates to change crushing wall, crushing wall usage cycles It is short.

Utility model content

Purpose of design：The weak point in background technology is avoided, designing a kind of circular cone sand making machine can during sand processed Meet the wear-resisting requirement crushed to rubble, and the conical sand making of the diameter less than 2000mm of the wear-resisting requirement for rolling sand processed can be met Machine double-component crushing wall.

Design：In order to realize above-mentioned purpose of design.The utility model is in structure design：1st, crushing wall top is height Manganese steel, crushing wall bottom are the design of high-carbon chromium steel, are one of technical characteristics of the present utility model.The purpose of so design exists In：Potassium steel is resistant to one of optimal selection in the high-abrasive materials such as thump, the abrasion of big pressure material, and it not only has other The incomparable Work Hardening Characteristic of high-abrasive material, and in greater impact load or compared with large contacting stress in the presence of, it is high The top layer of manganese steel produces processing hardening, and case hardness lifts rapidly more than HRC45 by HRC17--21, and as surface is hard Change layer to gradually wear out, new work hardening layer can be formed successively, so as to produce endlessly high abrasion superficial layer Meanwhile, and potassium steel internal layer austenite still keeps good impact flexibility.The utility model is exactly using this spy of potassium steel Property, by the top of crushing wall（Or middle part and top）Using potassium steel, because crushing wall top is for crushing building stones, building stones pair What crushing wall top was formed is precisely impact load, it is thus possible to make crushing wall case-hardening, hardness is lifted rapidly, is met Hardness requirement and wear-resisting requirement of the crushing wall top to rubble；And the carbon containing Wc of high-carbon chromium steel is 1% or so, chrome content Wcr is 1.5% Left and right, and the hypereutectoid steel containing a small amount of manganese, element silicon.Chromium can improve heat treatment performance, improve quenching degree, even tissue Property, temper resistance, the rustless property and grinding performance of steel can be improved again, its hardness reaches HRC63 ± 3, with excellent resistance to Mill property, meets the wear-resisting requirement for rolling sand processed, and its wear extent is significantly less than potassium steel.2nd, the lower surface on crushing wall top with it is broken The design that the upper surface of broken wall bottom is engaged by clamping in inclined-plane, is the two of technical characteristic of the present utility model.The mesh for so designing Be：Because the lower surface on crushing wall top is the outer inclined-plane of annular, and the upper surface of crushing wall bottom for annular outer inclined-plane and The taper on both inclined-planes is identical, therefore when the upper surface on crushing wall top is connect with the lower surface of crushing wall bottom by mantle grafting When touching, the bottom that crushing wall is inserted on crushing wall top is equivalent to, not only matching is good, and it is stable, firm.

Technical scheme：A kind of circular cone sand making machine double-component crushing wall of diameter less than 2000mm, crushing wall top is Gao Meng Steel, crushing wall bottom are high-carbon chromium steel.

Compared with background technology, one is fundamentally to solve homogenous material crushing wall in sand process processed to the utility model In, because the building stones of different size are different to the wear extent of crushing wall, caused crushing wall Upper wear is small, bottom abrasion is big Caused by roll sand chamber shape processed form groove and without the critical defect of legal system sand；Two is the potassium steel on crushing wall top broken Wear extent produced by building stones is relatively uniform with the wear extent that sand chamber processed is rolled in high-carbon chromium steel crushing wall bottom, thus fundamentally Sand chamber processed is rolled during sand processed is ground, because wear extent is ground more than crushing wall top in the crushing wall bottom for solving homogenous material The situation of groove caused by damage amount, not only greatly extends the service life of crushing wall, and greatly reduces crushing wall Manufacturing cost and use cost while, reduce sand cost processed.

Brief description of the drawings

Fig. 1 is the structural representation of circular cone sand making machine double-component crushing wall of the diameter less than 2000mm.

Fig. 2 is the structural representation matched by crushing wall and crushing wall.

Fig. 3 is the structural representation of homogenous material crushing wall.

Specific embodiment

Embodiment 1：Referring to the drawings 1-2.A kind of circular cone sand making machine double-component crushing wall of diameter less than 2000mm, crushing wall Top 1 is potassium steel, crushing wall bottom 2 is high-carbon chromium steel.The lower surface of crushing wall top 1 is the outer inclined-plane of annular, crushing wall bottom 2 Upper surface is annular outer inclined-plane and is coincide with the upper surface 3 of crushing wall top 1.Potassium steel crushing wall height is broken more than high-carbon chromium steel The height of wall.

Embodiment 2：On the basis of embodiment 1, a kind of circular cone sand making machine double-component crushing wall of diameter less than 2000mm Manufacture method,（1）Routinely mold is poured in fabrication techniques crushing wall bottom, and the crushing wall bottom that will be made is poured mold and is placed in height On frequency vibration moving platform, melting high-carbon chromium steel is cast to crushing wall bottom and pours mold under the vibration of dither platform, cooled down Crushing wall bottom is obtained after shaping, then crushing wall bottom is heat-treated, is finished；（2）Routinely fabrication techniques crushing wall Upper pouring mould, the crushing wall top that will be made is poured mold and is placed on dither platform, in the vibration of dither platform It is lower that melting potassium steel is cast to crushing wall top and pours in mold, after cooling shaping crushing wall top, then on crushing wall Portion is heat-treated, is finished；（3）Inclined-plane outside crushing wall top lower end after finishing is connected in the upper end of crushing wall bottom tiltedly On face.

It is to be understood that：The detailed word although above-described embodiment is contrasted to mentality of designing of the present utility model Description, but these word descriptions, simply to the simple text description of the utility model mentality of designing, rather than new to this practicality The limitation of type mentality of designing, any combination, increase or modification without departing from the utility model mentality of designing each falls within this practicality new In the protection domain of type.

Claims (1)

1. a kind of diameter is less than the circular cone sand making machine double-component crushing wall of 2000mm, it is characterized in that：Circular cone sand making machine double-component is broken The diameter of broken wall is less than 2000mm, and crushing wall top is potassium steel, and case hardness reaches more than HRC45, and crushing wall bottom is height Carbon chromium steel, hardness reaches HRC63 ± 3, and potassium steel crushing wall is highly more than the height of high-carbon chromium steel crushing wall；Crushing wall top lower end Face is the outer inclined-plane of annular, and crushing wall bottom upper surface is annular outer inclined-plane and crushing wall top lower surface and crushing wall bottom upper end Face is coincide, i.e., inclined-plane is connected in the outer inclined-plane of crushing wall bottom upper end outside the lower end of crushing wall top.