CN207840072U - Error-proof cylinder body sand core and grinding tool component - Google Patents

Abstract

Error-proof cylinder body sand core and grinding tool component provided by the utility model, are related to sand core technical field.The error-proof cylinder body sand core includes preceding stopper, rear stopper, riser sand core, the first main core sand core and multiple second main core sand cores.Preceding stopper offers the first mistake proofing groove, and rear stopper offers the second mistake proofing groove.Each second main core sand core is convexly equipped with the second mistake proofing boss, and offer mistake proofing groove, multiple second mistake proofing boss respectively with adjacent mistake proofing groove grafting, the both sides of first main core sand core are convexly equipped with the first mistake proofing boss respectively, the mistake proofing groove grafting of one the first mistake proofing boss and end, and connect to form main core sand core group with multiple second main core sand cores.Another the first mistake proofing boss and the first mistake proofing groove grafting, the second mistake proofing boss of end and the second mistake proofing groove grafting.The top grafting of riser sand core and the first main core sand core and multiple second main core sand cores.The error-proof cylinder body sand core can effectively realize differentiation, prevent rigging error, ensure the Forming Quality of cylinder body.

Description

Error-proof cylinder body sand core and grinding tool component

Technical field

The utility model is related to sand core technical fields, in particular to a kind of error-proof cylinder body sand core and grinding tool component.

Background technology

Sand core is the material for manufacturing core in Foundry Production, is made of casting model powder, moulding sand binder etc..The prior art The sand core of middle manufacture cylinder body is usually molded by die casting, due to the cylinder body of different structure shape to be manufactured, has difference The sand core of specification, often structure is similar for the sand core of same area, and difference is smaller, therefore is susceptible to rigging error, influences cylinder body Molding quality.

Therefore, a kind of error-proof cylinder body sand core that can effectively solve the above problems of research and development is the skill for needing urgently to solve at present Art problem.

Utility model content

The purpose of this utility model is to provide a kind of error-proof cylinder body sand core, which can effectively realize It distinguishes, prevents rigging error, ensure the Forming Quality of cylinder body.

The another object of the utility model is to provide a kind of grinding tool component of the die casting error-proof cylinder body sand core, structure Simply, highly practical.

The utility model solves its technical problem using technical solution below to realize：

A kind of error-proof cylinder body sand core disclosed by the utility model, including preceding stopper, rear stopper, riser sand core, the first master Core sand core and multiple second main core sand cores.

The preceding stopper offers the first mistake proofing groove, and the rear stopper offers the second mistake proofing groove；Each second master The side of core sand core is convexly equipped with the second mistake proofing boss, and the other side offers mistake proofing groove, multiple second main core sand cores Linear array, multiple second mistake proofing boss respectively with the adjacent mistake proofing groove grafting, the first main core sand core Both sides are convexly equipped with the first mistake proofing boss respectively, the mistake proofing groove grafting of one of them described first mistake proofing boss and end, And it connect to form main core sand core group with multiple second main core sand cores；Another described first mistake proofing boss is anti-with described first Wrong slot grafting, the second mistake proofing boss and the second mistake proofing groove grafting of end；The riser sand core is led with described first The top grafting of core sand core and multiple second main core sand cores.

Further, first mistake proofing groove, the shape and structure phase of second mistake proofing groove and multiple mistake proofing grooves Together；The first mistake proofing boss is identical as multiple shape and structures of second mistake proofing boss.

Further, first mistake proofing groove, second mistake proofing groove and multiple mistake proofing grooves include axial groove It is connect respectively with the axial groove with the locating slot of the locating slot positioned at the axial groove both sides, both sides, and about described Axial groove is symmetrical arranged.

Further, the locating slot is in arc-shaped, and the axial groove is in strip.

Further, the first mistake proofing boss including axial projection and is located at institute with multiple second mistake proofing boss The positioning protrusion of axial projection both sides is stated, the positioning protrusion of both sides is connect with the axial projection respectively, and about described Axial projection is symmetrical arranged.

Further, the positioning protrusion is in arc-shaped, and the axial projection is in strip.

Further, the first main core sand core and multiple second main core sand cores include the upper sand core being connected with each other Head and lower core print；Multiple upper core prints offer mistake proofing groove, and the mistake proofing groove is through the upper core print far from institute State the end face of lower core print, and form mistake proofing column, the side of the riser sand core offers multiple slots, multiple slots with Multiple mistake proofing column grafting.

Further, the mistake proofing column is in a circular table shape, and the slot is matched with the mistake proofing column.

Further, the error-proof cylinder body sand core further include bottom plate sand core, the first external form sand core, the second external form sand core, Camshaft sand core and water channel sand cores.

The first external form sand core and the second external form sand core are oppositely arranged, the preceding stopper and the described first outer molding sand Core is connected with one end of the second external form sand core, the rear stopper and the first external form sand core and the second external form sand core The other end connection；One end point of the preceding stopper, the first external form sand core, the second external form sand core and the rear stopper It is not connect with the bottom plate sand core；The other end is connect with the riser sand core respectively.

The main core sand core group is arranged in the bottom plate sand core, the first external form sand core, the second external form sand core, institute State preceding stopper, it is described after between stopper and the riser sand core, and respectively with the bottom plate sand core, the first external form sand core, The second external form sand core, the preceding stopper, the rear stopper are connected with the riser sand core.

The water channel sand cores are set in the first main core sand core and multiple second main core sand core peripheries, the water channel One end of sand core is connect with the preceding stopper, and the other end is connect with the rear stopper；One end of the camshaft sand core with it is described Preceding stopper connection, the other end are connect with the rear stopper；The side of the water channel sand cores is connect with the first external form sand core, separately Side is connect with the camshaft sand core, side of the camshaft sand core far from the water channel sand cores and the described second outer molding sand Core connects.

A kind of grinding tool component disclosed by the utility model, for the error-proof cylinder body sand core described in die casting.The error-proof Cylinder body sand core, including preceding stopper, rear stopper, riser sand core, the first main core sand core and multiple second main core sand cores.

The preceding stopper offers the first mistake proofing groove, and the rear stopper offers the second mistake proofing groove；Each second master The side of core sand core is convexly equipped with the second mistake proofing boss, and the other side offers mistake proofing groove, multiple second main core sand cores Linear array, multiple second mistake proofing boss respectively with the adjacent mistake proofing groove grafting, the first main core sand core Both sides are convexly equipped with the first mistake proofing boss respectively, the mistake proofing groove grafting of one of them described first mistake proofing boss and end, And it connect to form main core sand core group with multiple second main core sand cores；Another described first mistake proofing boss is anti-with described first Wrong slot grafting, the second mistake proofing boss and the second mistake proofing groove grafting of end；The riser sand core is led with described first The top grafting of core sand core and multiple second main core sand cores.

The grinding tool component includes multiple molds, and multiple molds are respectively used to preceding stopper described in die casting, rear stopper, emit Mouth sand core, the first main core sand core and multiple second main core sand cores.

The advantageous effect of the utility model embodiment is：

It is convex that the both sides of error-proof cylinder body sand core disclosed by the utility model first main core sand core are convexly equipped with the first mistake proofing respectively The side of platform, the second main core sand core is convexly equipped with the second mistake proofing boss, and the other side offers mistake proofing groove, and preceding stopper offers first Mistake proofing groove, rear stopper offer the second mistake proofing groove.Second mistake proofing boss can be inserted with the second adjacent mistake proofing boss mistake proofing groove It connects, and the second mistake proofing boss of end and the second mistake proofing groove grafting, a first mistake proofing boss of the first main core sand core and The mistake proofing groove grafting of one mistake proofing groove grafting, another the first mistake proofing boss and end, therefore different model sand core may be implemented Effective differentiation, prevent rigging error, ensure the Forming Quality of cylinder body.

Grinding tool component disclosed by the utility model, for the die casting error-proof cylinder body sand core, simple in structure, practicability By force.

Description of the drawings

It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiment of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram for the error-proof cylinder body sand core that the utility model first embodiment provides.

Fig. 2 is the cross-sectional view for the error-proof cylinder body sand core that the utility model first embodiment provides.

Fig. 3 is the partial structural diagram for the error-proof cylinder body sand core that the utility model first embodiment provides.

Fig. 4 is a kind of visual angle of the second main core sand core of the error-proof cylinder body sand core that the utility model first embodiment provides Structural schematic diagram.

Fig. 5 is that the another kind of the second main core sand core of the error-proof cylinder body sand core that the utility model first embodiment provides regards The structural schematic diagram at angle.

Fig. 6 is the structural schematic diagram of the preceding stopper for the error-proof cylinder body sand core that the utility model first embodiment provides.

Fig. 7 is the structural schematic diagram of the rear stopper for the error-proof cylinder body sand core that the utility model first embodiment provides.

Fig. 8 is the structural schematic diagram of the riser sand core for the error-proof cylinder body sand core that the utility model first embodiment provides.

Icon：200- error-proof cylinder body sand cores；210- bottom plate sand cores；220- the first external form sand cores；The second outer molding sand of 230- Core；Stopper before 240-；The first mistake proofing grooves of 241-；The first groove bodies of 2411-；The second groove bodies of 2412-；Stopper after 250-；251- second Mistake proofing groove；2511- third groove bodies；The 4th groove bodies of 2512-；260- riser sand cores；261- third mistake proofing grooves；The big annular grooves of 2611-； The small annular grooves of 2612-；270- camshaft sand cores；280- water channel sand cores；290- the first main core sand cores；202- sand core head assemblies；100- Second main core sand core；201- mark print slots；The upper core prints of 110-；112- mistake proofing sections；1121- Anti-error structures；1123- mistake proofing columns； 113- sand core sections；Core print under 120-；101- first sides；102- second sides；121- the second mistake proofing boss；1211- is axial Protrusion；1213- positioning protrusion；122- mistake proofing grooves；1221- axial grooves；1223- locating slots.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the range of the utility model protection.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "upper" is base In orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put or position close System, is merely for convenience of describing the present invention and simplifying the description, does not indicate or imply the indicated device or element is necessary With specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second ", " third " and " the 4th " etc. is only used for distinguishing description, and should not be understood as referring to Show or imply relative importance.

In the description of the present invention, it should also be noted that, unless in addition having more specific regulation and limiting, term " setting ", " connection " should do more broadly understanding, for example, " connection " may be a fixed connection, may be a detachable connection, or It is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be by between intermediary It connects connected, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition The concrete meaning of above-mentioned term in the present invention.

Below in conjunction with the accompanying drawings, it elaborates to an embodiment of the utility model, in the absence of conflict, under Feature in the embodiment stated can be combined with each other.

First embodiment

Fig. 1 is the structural schematic diagram of error-proof cylinder body sand core 200 provided in this embodiment.Fig. 2 is provided in this embodiment The cross-sectional view of error-proof cylinder body sand core 200.Error-proof cylinder body sand core 200 disclosed in the present embodiment it include bottom plate sand Core 210, the first external form sand core 220, the second external form sand core 230, preceding stopper 240, rear stopper 250, riser sand core 260, camshaft Sand core 270, water channel sand cores 280 and the first main core sand core 290 and multiple second main core sand cores 100.

In the present embodiment, the first external form sand core 220 and the second external form sand core 230 are oppositely arranged, outside preceding stopper 240 and first Molding sand core 220 is connected with one end of the second external form sand core 230, rear stopper 250 and the first external form sand core 220 and the second external form sand core 230 other end connection.

It is understood that preceding stopper 240, the first external form sand core 220, the second external form sand core 230 and rear stopper 250 surround Rectangular frame structure.

In the present embodiment, preceding stopper 240, the first external form sand core 220, the second external form sand core 230 and rear stopper 250 one end It is connect respectively with bottom plate sand core 210, the other end is connect with riser sand core 260 respectively.

Fig. 3 is the partial structural diagram of error-proof cylinder body sand core 200 provided in this embodiment.Incorporated by reference to referring to Fig.1 and Fig. 3, it is preferable that the first main core sand core 290 and multiple second main core sand cores 100 are sequentially connected, and form sand core head assembly 202.

In the present embodiment, sand core head assembly 202 is arranged in bottom plate sand core 210, the first external form sand core 220, the second outer molding sand Between core 230, preceding stopper 240, rear stopper 250 and riser sand core 260, and respectively with bottom plate sand core 210, the first external form sand core 220, the second external form sand core 230, preceding stopper 240, rear stopper 250 and riser sand core 260 support.

Water channel sand cores 280 are set in the first main core sand core 290 and multiple second main core sand core, 100 peripheries, and are led with first Core sand core 290 and the connection of multiple second main core sand cores 100, one end of water channel sand cores 280 connect with preceding stopper 240, the other end and Stopper 250 connects afterwards.One end of camshaft sand core 270 is connect with preceding stopper 240, and the other end is connect with rear stopper 250.Water channel sand The side of core 280 is connect with the first external form sand core 220, and the other side is connect with camshaft sand core 270, and camshaft sand core 270 is separate The side of water channel sand cores 280 is connect with the second external form sand core 230.

Fig. 4 is a kind of structure at visual angle of the second main core sand core 100 of error-proof cylinder body sand core 200 provided in this embodiment Schematic diagram.Incorporated by reference to referring to Fig.1 with 4, in the present embodiment, in the present embodiment, bottom plate sand core 210, the first external form sand core 220, Two external form sand cores 230, preceding stopper 240, rear stopper 250, riser sand core 260, camshaft sand core 270, water channel sand cores 280 and first One side surface of main core sand core 290 and multiple second main core sand cores 100 all has mark print slot 201.

It should be noted that bottom plate sand core 210, the first external form sand core 220, the second external form sand core 230, preceding stopper 240, after Stopper 250, riser sand core 260, camshaft sand core 270 and water channel sand cores 280 mark print slot 201 be separately positioned on bottom plate sand core 210, the first external form sand core 220, the second external form sand core 230, preceding stopper 240, rear stopper 250, riser sand core 260, camshaft sand The outer surface of core 270 and water channel sand cores 280 in the present embodiment, is not shown.

Fig. 5 is the knot at another visual angle of the second main core sand core 100 of error-proof cylinder body sand core 200 provided in this embodiment Structure schematic diagram.Please refer to Fig. 5, in the present embodiment, the second main core sand core 100 includes upper core print 110 and lower core print 120.

In the present embodiment, upper core print 110 include be connected with each other mistake proofing section 112 and sand core section 113, sand core section 113 with Lower core print 120 connects, and mistake proofing section 112 is provided with Anti-error structure 1121.

Preferably, Anti-error structure 1121 is a circle mistake proofing groove, and mistake proofing groove runs through end of the mistake proofing section 112 far from sand core section 113 Face.

Mistake proofing groove runs through mistake proofing section 112, is extended down to sand core section 113, and form mistake proofing column 1123.

Preferably, lower core print 120 is cylindrical, and mistake proofing column 1123 is in a circular table shape.

It is understood that the second main core sand core 100 of this structure, can by change mistake proofing column 1123 height or The gradient of 1123 outer surface of person's mistake proofing column easily distinguishes the second different main core sand cores 100, achievees the effect that mistake proofing.

In order to facilitate assembly, in the present embodiment, end face of the mistake proofing section 112 far from sand core section 113 and mistake proofing section 112 and sand core The end face of 113 connection of section is parallel.

It should be noted that in the present embodiment, mistake proofing section 112 and sand core section 113 are integrally formed, and upper core print 110 is under Core print 120 is integrally formed.

Please continue to refer to Fig. 4, in the present embodiment, lower core print 120 has the first side 101 and the second side being oppositely arranged Face 102, upper core print 110 are all connected with first side 101 and second side 102.It is convex that first side 101 is convexly equipped with the second mistake proofing Platform 121, second side 102 offer mistake proofing groove 122.

In the present embodiment, the second mistake proofing boss 121 includes axial projection 1211 and determines positioned at 1211 both sides of axial projection Position protrusion 1213, the positioning protrusion 1213 of both sides is connect with axial projection 1211 respectively, and is symmetrically set about axial projection 1211 It sets.

Preferably, positioning protrusion 1213 is in arc-shaped, and axial projection 1211 is in strip.

It is understood that the second main core sand core 100 of this structure, can pass through the axial projection of setting different length 1211, the positioning protrusion 1213 of different radii conveniently realizes mistake proofing.Of simple structure and strong practicability.

In the present embodiment, the shape and structure of the second mistake proofing boss 121 is identical as the shape and structure of mistake proofing groove 122.

In the present embodiment, mistake proofing groove 122 includes axial groove 1221 and the locating slot 1223 positioned at 1221 both sides of axial groove, The locating slot 1223 of both sides is connect with axial groove 1221 respectively, and is symmetrical arranged about axial groove 1221.

Preferably, locating slot 1223 is in arc-shaped, and axial groove 1221 is in strip.

It is understood that the second mistake proofing boss 121 can coordinate with mistake proofing groove 122, for multiple second main core sand Core 100, the second adjacent mistake proofing boss 121 can with mistake proofing groove 122 can easily grafting, realize connection.

It should be noted that in the present embodiment, the planform phase of the first main core sand core 290 and the second main core sand core 100 Seemingly, the first main core sand core 290 and multiple second main core sand cores 100 include the upper core print 110 being connected with each other and lower core print 120,110 structure of upper core print is identical, and difference lies in the first masters for the first main core sand core 290 and the second main core sand core 100 The both sides of core sand core 290 are convexly equipped with the first mistake proofing boss (not shown) respectively.

It should be noted that the complete phase of planform of the planform of the first mistake proofing boss and the second mistake proofing boss 121 Together.

It is understood that a first mistake proofing boss of the first main core sand core 290 can be with the second main core sand of end 122 grafting of mistake proofing groove of core 100.

Fig. 6 is the structural schematic diagram of the preceding stopper 240 of error-proof cylinder body sand core 200 provided in this embodiment.Please refer to figure 6, in the present embodiment, the side of preceding stopper 240 offers the first mistake proofing groove 241.

Preferably, the first mistake proofing groove 241 includes the first groove body 2411 and the second groove body 2412, the first groove body 2411 and second Groove body 2412 is interconnected.

Preferably, the first groove body 2411 is in strip, and the second groove body 2412 is cylindrical.

It is understood that the inner wall shape of the first groove body 2411 is matched with the outer wall shape of axial projection 1211, second The inner wall shape of groove body 2412 is matched with the outer wall shape of two positioning protrusion 1213.

Therefore, it can be distinguished by changing simultaneously the planform of the first mistake proofing groove 241 and the first mistake proofing boss to realize.

Fig. 7 is the structural schematic diagram of the rear stopper 250 of error-proof cylinder body sand core 200 provided in this embodiment.Please refer to figure 7, in the present embodiment, the side of rear stopper 250 offers the second mistake proofing groove 251.

Preferably, the second mistake proofing groove 251 includes third groove body 2511 and the 4th groove body 2512, third groove body 2511 and the 4th Groove body 2512 is interconnected.

Preferably, third groove body 2511 is in strip, and third groove body 2511 is cylindrical.

It is understood that the inner wall shape of third groove body 2511 is matched with the outer wall shape of axial projection 1211, third The inner wall shape of groove body 2511 is matched with the outer wall shape of two positioning protrusion 1213.That is, in the present embodiment, first is anti- The shape and structure of wrong slot 241, the second mistake proofing groove 251 and multiple mistake proofing grooves 122 is identical.

Therefore, area can be realized by changing simultaneously the planform of the second mistake proofing groove 251 and the second mistake proofing boss 121 Point.

Fig. 8 is the structural schematic diagram of the riser sand core 260 of error-proof cylinder body sand core 200 provided in this embodiment.It please refers to Fig. 8, in the present embodiment, offers multiple third mistake proofing grooves 261 on riser sand core 260, multiple third mistake proofing grooves 261 are linear etc. Spacing arranges.

Include big annular groove 2611 and small it should be noted that the shape and structure of multiple third mistake proofing grooves 261 is identical Annular groove 2612, big annular groove 2611 and small annular groove 2612 are interconnected.

The inner wall shape structure of big annular groove 2611 and small annular groove 2612 respectively with the sand core section 113 of upper core print 110 and prevent The outer wall shape and structure of wrong section 112 is identical.

It is understood that multiple third mistake proofing grooves 261 are respectively used to and the first main core sand core 290 and multiple second main cores The upper core print 110 of sand core 100 coordinates.

Therefore, it can be distinguished by changing simultaneously the planform of third mistake proofing groove 261 and upper core print 110 to realize.

It is understood that error-proof cylinder body sand core 200 disclosed in the present embodiment, can both pass through bottom plate sand core 210, One external form sand core 220, the second external form sand core 230, preceding stopper 240, rear stopper 250, riser sand core 260, camshaft sand core 270, The mark print slot 201 of the setting of water channel sand cores 280 and multiple second main core sand cores 100 distinguishes the sand core of different structure and model, The Anti-error structure 1121, second of the upper core print 110 of the first main core sand core 290 and multiple second main core sand cores 100 can also be led to The the second mistake proofing boss 121 and mistake proofing groove 122 of main core sand core 100 and the two of the first main core sand core 290 it is convex with mistake proofing Platform is easily distinguished, and rigging error is prevented, and ensures the Forming Quality of cylinder body.

Second embodiment

Present embodiment discloses a kind of die assemblies for error-proof cylinder body sand core 200 disclosed in die casting first embodiment (not shown).

The grinding tool component includes multiple molds, and multiple molds are respectively used to die casting bottom plate sand core 210, the first external form sand core 220, the second external form sand core 230, preceding stopper 240, rear stopper 250, riser sand core 260, camshaft sand core 270, water channel sand cores 280, the first external form sand core 220 and the second external form sand core 230.

The inner surface of multiple molds is respectively arranged with mark protrusion, multiple mark protrusions be respectively used to suppress it is multiple identify it is recessed Slot.

Preferably, wherein the mold for die casting error-proof main core sand core have be connected with each other and the first cavity for being connected to and Second cavity, the first cavity and the second cavity are respectively used to core print 110 and lower core print 120 in die casting.

The upper core print 110 of the shape and structure and the first external form sand core 220 of the first cavity and the second cavity that are appreciated that It is identical with the shape and structure of lower core print 120.Alternatively, the shape and structure and the second external form sand core of the first cavity and the second cavity 230 upper core print 110 is identical with the shape and structure of lower core print 120.

The die assembly of simple structure and strong practicability.

To sum up, the both sides difference of 200 first main core sand core 290 of error-proof cylinder body sand core disclosed in the utility model embodiment It is convexly equipped with the first mistake proofing boss, the side of the second main core sand core 100 is convexly equipped with the second mistake proofing boss 121, and the other side offers anti- Wrong groove 122, preceding stopper 240 offer the first mistake proofing groove 241, and rear stopper 250 offers the second mistake proofing groove 251.Second mistake proofing Boss 121 can with adjacent 121 mistake proofing groove of the second mistake proofing boss, 122 grafting, and the second mistake proofing boss 121 of end with Second mistake proofing groove, 251 grafting, a first mistake proofing boss of the first main core sand core 290 and 241 grafting of the first mistake proofing groove, another 122 grafting of mistake proofing groove of first mistake proofing boss and end, therefore effective differentiation of different model sand core may be implemented, it prevents from filling With error, ensure the Forming Quality of cylinder body.

Grinding tool component disclosed in the utility model embodiment, for the die casting error-proof cylinder body sand core 200, structure letter It is single, it is highly practical.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of error-proof cylinder body sand core, which is characterized in that including preceding stopper, rear stopper, riser sand core, the first main core sand core and Multiple second main core sand cores；

The preceding stopper offers the first mistake proofing groove, and the rear stopper offers the second mistake proofing groove；Each second main core sand The side of core is convexly equipped with the second mistake proofing boss, and the other side offers mistake proofing groove, and multiple second main core sand cores are linear Arrangement, multiple second mistake proofing boss respectively with the adjacent mistake proofing groove grafting, the both sides of the first main core sand core It is convexly equipped with the first mistake proofing boss respectively, the mistake proofing groove grafting of one of them described first mistake proofing boss and end, and with Multiple second main core sand cores connect to form main core sand core group；Another described first mistake proofing boss and first mistake proofing groove Grafting, the second mistake proofing boss and the second mistake proofing groove grafting of end；The riser sand core and the first main core sand The top grafting of core and multiple second main core sand cores.

2. error-proof cylinder body sand core as described in claim 1, which is characterized in that first mistake proofing groove, second mistake proofing The shape and structure of slot and multiple mistake proofing grooves is identical；The shape of the first mistake proofing boss and multiple second mistake proofing boss Shape structure is identical.

3. error-proof cylinder body sand core as claimed in claim 2, which is characterized in that first mistake proofing groove, second mistake proofing Slot and multiple mistake proofing grooves include axial groove and the locating slot positioned at the axial groove both sides, the locating slot of both sides It connect with the axial groove, and is symmetrical arranged about the axial groove respectively.

4. error-proof cylinder body sand core as claimed in claim 3, which is characterized in that the locating slot is in arc-shaped, the axial direction Slot is in strip.

5. error-proof cylinder body sand core as claimed in claim 2, which is characterized in that the first mistake proofing boss and multiple described the Two mistake proofing boss include axial projection and the positioning protrusion positioned at the axial projection both sides, the positioning protrusion point of both sides It does not connect with the axial projection, and is symmetrical arranged about the axial projection.

6. error-proof cylinder body sand core as claimed in claim 5, which is characterized in that the positioning protrusion is in arc-shaped, the axis It is in strip to protrusion.

7. error-proof cylinder body sand core as described in claim 1, which is characterized in that the first main core sand core and multiple described Two main core sand cores include the upper core print being connected with each other and lower core print；Multiple upper core prints offer mistake proofing groove, The mistake proofing groove runs through end face of the upper core print far from the lower core print, and forms mistake proofing column, the riser sand core Side offers multiple slots, multiple slots and multiple mistake proofing column grafting.

8. error-proof cylinder body sand core as claimed in claim 7, which is characterized in that the mistake proofing column is in a circular table shape, the slot It is matched with the mistake proofing column.

9. error-proof cylinder body sand core as described in claim 1, which is characterized in that the error-proof cylinder body sand core further includes bottom plate Sand core, the first external form sand core, the second external form sand core, camshaft sand core and water channel sand cores；

The first external form sand core and the second external form sand core are oppositely arranged, the preceding stopper and the first external form sand core and One end of the second external form sand core connects, it is described after stopper and the first external form sand core and the second external form sand core it is another One end connects；The preceding stopper, the first external form sand core, the second external form sand core and it is described after stopper one end respectively with The bottom plate sand core connection；The other end is connect with the riser sand core respectively；

Main core sand core group setting the bottom plate sand core, the first external form sand core, the second external form sand core, it is described before Stopper, it is described after between stopper and the riser sand core, and respectively with the bottom plate sand core, the first external form sand core, described Second external form sand core, the preceding stopper, the rear stopper are connected with the riser sand core；

The water channel sand cores are set in the first main core sand core and multiple second main core sand core peripheries, the water channel sand cores One end connect with the preceding stopper, the other end with it is described after stopper connect；One end of the camshaft sand core and the front Head connection, the other end are connect with the rear stopper；The side of the water channel sand cores is connect with the first external form sand core, the other side It is connect with the camshaft sand core, side of the camshaft sand core far from the water channel sand cores connects with the second external form sand core It connects.

10. a kind of grinding tool component, which is characterized in that be used for die casting such as claim 1-9 any one of them error-proof cylinder body sand Core, the grinding tool component include multiple molds, and multiple molds are respectively used to preceding stopper, rear stopper, riser sand described in die casting Core, the first main core sand core and multiple second main core sand cores.