CN217166400U

CN217166400U - Sand core mould for forming volute sand mould

Info

Publication number: CN217166400U
Application number: CN202123450933.5U
Authority: CN
Inventors: 郭浩
Original assignee: Wuxi Mingteng Mould Technology Co ltd
Current assignee: Wuxi Mingteng Mould Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-12
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of the molding sand mould and specifically relates to a psammitolite mould for shaping volute sand mo (u) ld, including the last mould and the lower mould of contradicting mutually, go up the mould and be equipped with the work piece on the lateral wall of mould down, offer the lower die cavity that is used for shaping volute sand mo (u) ld on the lateral wall of mould down towards the lower mould, the work piece constitutes the shape of volute sand mo (u) ld with the region that the die cavity encloses down, the lower mould has seted up the sand shooting groove on the lateral wall of mould down, the one end and the lower die cavity intercommunication in sand shooting groove, the other end and external intercommunication, all seted up the exhaust hole on going up mould and the lower mould, the exhaust hole on going up mould and the exhaust hole on the lower mould all with lower die cavity intercommunication. This application has the effect that can shaping volute sand mo (u) ld.

Description

Sand core mould for forming volute sand mould

Technical Field

The utility model belongs to the technical field of molding sand mould and specifically relates to a psammitolite mould for shaping volute sand mould is related to.

Background

The molding sand mould is the instrument of common use in sand casting, and the part of general vehicle all shapes through the mode of casting, and when the casting shaping, necessary supporting molding sand that can use, the quality of molding sand is also concerned with the quality of shaping foundry goods.

At present, a volute used for an automobile needs to be manufactured, because the shape of an inner cavity of the volute is complex, the required volute cannot be directly processed in a general machining mode of turning, milling, planing and grinding and the like, and in order to process the volute, a mode of firstly manufacturing a sand mold of the volute and then casting the volute is generally adopted.

In view of the above-mentioned related art, the inventors have considered that, since there is no sand core mold for molding such a volute sand mold on the market at present, there is a need to design a sand core mold for molding a volute sand mold.

SUMMERY OF THE UTILITY MODEL

In order to conveniently manufacture the volute sand mold, the application provides a sand core mold for molding the volute sand mold.

The application provides a psammitolite mould for shaping volute sand mould adopts following technical scheme:

the utility model provides a psammitolite mould for shaping volute sand mould, includes the last mould and the lower mould of contradicting each other, upward be equipped with the work piece on the lateral wall of mould towards the lower mould, offer the lower die cavity that is used for shaping volute sand mould on the lateral wall of mould towards the lower mould, the regional shape that constitutes volute sand mould that work piece and lower die cavity enclose, the shooting groove has been seted up on the lateral wall of mould towards the lower mould, the one end and the lower die cavity intercommunication in shooting groove, the other end and external intercommunication, upward all seted up the exhaust hole on mould and the lower mould, the exhaust hole on going up mould and the exhaust hole on the lower mould all with lower die cavity intercommunication.

Through adopting above-mentioned technical scheme, the staff carries out the compound die with last mould and lower mould earlier, and the compound die finishes the back, jets the molding sand into the space between die cavity and the work piece down through shooting the sand groove, and the molding sand extrusion air, the air can be discharged through the exhaust hole, after shooting the sand, mould and lower mould are gone up in the heating, because the molding sand has the characteristic of being heated the design, the molding sand is heated and solidifies, separately goes up mould and lower mould and can take out volute sand mould to the realization produces the purpose of volute sand mould.

Preferably, three sand shooting grooves are formed in the length direction of the lower die.

Through adopting above-mentioned technical scheme, set up three shooting sand groove simultaneously, can make the quick space of filling between lower die cavity and the work piece of molding sand, make the fashioned speed of volute sand mould faster.

Preferably, go up and be equipped with guide structure between mould and the lower mould, guide structure includes the mounting groove, and the mounting groove is located the mould and has been equipped with the guide post towards the lateral wall of lower mould in the mounting groove, has seted up the guide way on the lateral wall of mould on the lower mould orientation, and the central line of guide way and the axis coincidence of guide post, the one end of guide post is located the mounting groove, and the other end is inserted and is located in the guide way and with guide way sliding fit.

Through adopting above-mentioned technical scheme, when the staff carries out the compound die, through inserting the guide post into the guide way, guide the removal of going up mould and lower mould, make and go up mould and lower mould and can carry out the compound die better.

Preferably, the notch positions of the mounting groove and the guide groove are respectively provided with a first counter bore and a second counter bore, a squeezing ring is arranged in the first counter bore, one end of the squeezing ring is positioned in the counter bore of the mounting groove, and the other end of the squeezing ring is inserted in the second counter bore.

Through adopting above-mentioned technical scheme, when the staff carries out the compound die, the extrusion ring in the first counter bore inserts the second counter bore earlier, later go up mould and lower mould just laminate to together, the extrusion ring can play the cushioning effect, when reducing the compound die, goes up mould and lower mould direct collision's possibility.

Preferably, the mounting groove tank bottom is connected with the grafting post, and the guide post is equipped with the inserting groove towards the one end of mounting groove tank bottom, the grafting post be located the inserting groove and with inserting groove sliding fit, the one end that the mounting groove tank bottom was kept away from to the grafting post is equipped with the grafting piece, the grafting piece is located the lateral wall of grafting post, the inserting groove tank bottom is equipped with the locking groove, the grafting piece be located the locking groove and with locking groove normal running fit, the inserting groove notch is equipped with and is used for making the sliding tray that the grafting piece inserted in the locking groove.

Through adopting above-mentioned technical scheme, the staff can aim at the plug-in connection post with the inserting groove earlier, aim at the inserting block the sliding tray, promote the guide post, make the sliding tray slip cover establish on the inserting block, conflict the plug-in connection block until the locking groove, rotatory guide post after that, the guide post can drive the locking groove and rotate, makes the inserting block be arranged in the locking groove, never realizes installing the guide post in the mounting groove, reduces the guide post and breaks away from the possibility in the mounting groove.

Preferably, an adjusting groove is formed in one end, far away from the bottom of the mounting groove, of the guide column.

Through adopting above-mentioned technical scheme, the adjustment tank can be located and make things convenient for the staff to rotate the guide post.

Preferably, one end of the plug column is provided with a thread, the bottom of the mounting groove is provided with a threaded hole, and the plug column is in threaded connection with the threaded hole.

Through adopting above-mentioned technical scheme, the staff can be convenient install the post of pegging graft in the mounting groove, bring convenient for the staff.

Preferably, four groups of guide structures are arranged, and the four groups of guide structures are respectively positioned at four corners of the side wall of the upper die contacted with the lower die.

Through adopting above-mentioned technical scheme, set up four group's guide structure in four corners departments, stability when can improve mould and lower mould compound die.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the working personnel firstly carry out die assembly on the upper die and the lower die, after die assembly is finished, molding sand is injected into a gap between the lower die cavity and a workpiece through the sand injection groove, the molding sand extrudes air, the air can be discharged through the exhaust holes, the molding sand is compacted after sand injection is finished, and after compaction is finished, the volute sand die can be taken out by separating the upper die and the lower die, so that the aim of manufacturing the volute sand die is fulfilled;

2. when a worker closes the dies, the guide columns are inserted into the guide grooves to guide the movement of the upper die and the lower die, so that the upper die and the lower die can be closed better;

3. the staff can aim at the inserted connection post with the inserted connection groove earlier, aims at the sliding tray with the grafting piece, promotes the guide post, makes the sliding tray slip cap establish on the grafting piece, until the locking groove conflict inserted connection piece, rotatory guide post after that, the guide post can drive the locking groove and rotate, makes the grafting piece be arranged in the locking groove, never realizes installing the guide post in the mounting groove, reduces the guide post and follows the possibility that breaks away from in the mounting groove.

Drawings

FIG. 1 is a schematic view of the general construction of a sand core mold embodying the present invention for forming a volute sand mold;

FIG. 2 is a schematic structural view showing a positional relationship between a lower mold and a lower cavity in an embodiment of the present application;

FIG. 3 is a schematic structural view showing a positional relationship between an upper die and a guide post in an embodiment of the present application;

FIG. 4 is a schematic structural view showing the positional relationship between the first counterbore and the squeeze ring in an embodiment of the present application;

FIG. 5 is a schematic structural diagram showing a positional relationship between a plugging column and a plugging block in an embodiment of the present application;

fig. 6 is a schematic structural view showing a positional relationship between the slide groove and the lock groove in the embodiment of the present application.

Description of reference numerals: 1. an upper die; 2. a lower die; 3. a workpiece; 4. a lower cavity; 5. an exhaust hole; 7. a sand shooting groove; 8. mounting grooves; 9. a guide post; 10. a guide groove; 11. an adjustment groove; 12. a threaded hole; 13. inserting the column; 14. inserting grooves; 15. an insertion block; 16. a sliding groove; 17. a locking groove; 18. a first counterbore; 19. a second counterbore; 20. the ring is pressed.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a sand core mould for molding volute sand mould. Referring to fig. 1 and 2, a psammitolite mould for shaping volute sand mo includes mould 1 and lower mould 2, goes up mould 1 and lower mould 2 and contradicts each other, refers to fig. 2 and 3, goes up fixedly connected with work piece 3 on the lateral wall of mould 1 towards lower mould 2, offers the lower die cavity 4 that is used for shaping volute sand mo on the lateral wall of mould 1 is gone up towards to lower mould 2, and the regional shape that constitutes the volute sand mo that work piece 3 and lower die cavity 4 enclose.

Refer to fig. 2 and fig. 3, it has all seted up exhaust hole 5 on mould 1 and the lower mould 2, the exhaust hole 5 of going up mould 1 and the exhaust hole 5 of lower mould 2 all communicate with lower die cavity 4, when the molding sand jets into the space between die cavity 4 and the work piece 3 down, the molding sand can extrude the air between mould 1 and the lower mould 2, the air can discharge through exhaust hole 5, lower mould 2 has seted up on the lateral wall of mould 1 towards and has penetrated sand groove 7, penetrate the one end and the external intercommunication of sand groove 7, the other end and lower die cavity 4 intercommunication, penetrate sand groove 7 and seted up threely along the length direction of lower mould 2.

Referring to fig. 2 and 3, a guide structure is arranged between the upper die 1 and the lower die 2, the guide structure is provided with four groups, the four groups of guide structures are respectively positioned at four corners of the side wall of the upper die 1 contacting with the lower die 2, and the guide structure comprises a mounting groove 8, a guide column 9 and a guide groove 10.

Referring to fig. 2 and 4, the mounting groove 8 is located on the side wall of the upper die 1 facing the lower die 2, the guide groove 10 is located on the side wall of the lower die 2 facing the upper die 1, the guide post 9 is located in the mounting groove 8, the axis of the guide post 9 coincides with the central line of the guide groove 10, one end of the guide post 9 is located in the mounting groove 8, the other end of the guide post is inserted into the guide groove 10 in a sliding manner, an adjusting groove 11 is arranged at one end of the guide post 9 far away from the bottom of the mounting groove 8, and the adjusting groove 11 is a hexagonal groove.

Referring to fig. 3 and 4, a threaded hole 12 is formed in the bottom of the mounting groove 8, a plug-in post 13 is connected to the threaded hole 12, a plug-in groove 14 is formed in one end, facing the bottom of the mounting groove 8, of the guide post 9, the plug-in post 13 is located in the plug-in groove 14 and is in sliding fit with the plug-in groove 14, referring to fig. 4 and 5, a plug-in block 15 is arranged at one end, far away from the bottom of the mounting groove 8, of the plug-in post 13, the plug-in block 15 is located on two sides of the side wall of the plug-in post 13, referring to fig. 5 and 6, a locking groove 17 is formed in the bottom of the plug-in groove 14, the plug-in block 15 is located in the locking groove 17 and is in rotating fit with the locking groove 17, a sliding groove 16 is formed in the notch of the plug-in groove 14, the sliding groove 16 is communicated with the locking groove 17, and the plug-in block 15 can move into the locking groove 17 through the sliding groove 16.

Referring to fig. 2 and 4, a first counter bore 18 is arranged at the notch of the mounting groove 8, a squeezing ring 20 is fixedly connected in the first counter bore 18, the squeezing ring 20 is made of rubber, a second counter bore 19 is arranged at the notch of the guide groove 10, and one end of the squeezing ring, which is far away from the first counter bore 18, is abutted in the second counter bore 19.

The implementation principle of the sand core mold for molding the volute sand mold is as follows: firstly, an upper die 1 and a lower die 2 are separated, an inserting column 13 is screwed in a mounting groove 8, a guide column 9 is inserted into the mounting groove 8, an inserting groove 14 is aligned with the inserting column 13, an inserting block 15 is aligned with a sliding groove 16, the guide column 9 is pushed, the sliding groove 16 is sleeved on the inserting block 15 in a sliding mode until a locking groove 17 is abutted with the inserting block 15, an inner hexagonal wrench is inserted into an adjusting groove 11, the inner hexagonal wrench is rotated, the adjusting groove 11 drives the guide column 9 to rotate, the guide column 9 drives the locking groove 17 to rotate, the inserting block 15 is positioned in the locking groove 17, then the guide column 9 is aligned with the guide groove 10, the upper die 1 and the lower die 2 are closed, the guide column 9 is inserted into the guide groove 10, after the closing is finished, molding sand is injected between the upper die 1 and the lower die 2 through a sand injection groove 7, the molding sand extrudes air, the air is discharged through an exhaust hole 5, after the sand injection is finished, the upper die 1 and the lower die 2 are heated, because the molding sand has the characteristic of being heated and stereotyped, the molding sand is heated and solidifies, will go up mould 1 and lower mould 2 and part, takes out the volute sand mould to the mesh of preparation volute sand mould has been realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a psammitolite mould for shaping volute sand mo (u) ld which characterized in that: including last mould (1) and lower mould (2) of contradicting each other, it is equipped with work piece (3) on the lateral wall of mould (1) orientation lower mould (2) to go up, offer lower die cavity (4) that are used for shaping volute sand mould on the lateral wall of mould (1) orientation lower die cavity (2) down, the regional shape that constitutes volute sand mould that encloses of work piece (3) and lower die cavity (4), set up on the lateral wall of mould (1) orientation lower mould (2) and penetrated sand groove (7), the one end and lower die cavity (4) intercommunication of penetrated sand groove (7), the other end and external intercommunication, go up and all seted up exhaust hole (5) on mould (1) and lower mould (2), exhaust hole (5) on going up mould (1) all communicate with lower die cavity (4) with exhaust hole (5) on lower mould (2).

2. The sand core mold for molding the volute sand mold as claimed in claim 1, wherein: the number of the sand shooting grooves (7) is three along the length direction of the lower die (2).

3. The sand core mold for molding the volute sand mold as claimed in claim 1, wherein: go up and be equipped with guide structure between mould (1) and lower mould (2), guide structure includes mounting groove (8), mounting groove (8) are located mould (1) on the lateral wall towards lower mould (2), be equipped with guide post (9) in mounting groove (8), guide way (10) have been seted up on lower mould (2) towards the lateral wall of mould (1), the axis coincidence of the central line of guide way (10) and guide post (9), the one end of guide post (9) is located mounting groove (8), the other end is inserted and is located in guide way (10) and with guide way (10) sliding fit.

4. The sand core mold for molding the volute sand mold as claimed in claim 3, wherein: the device is characterized in that a first counter bore (18) and a second counter bore (19) are respectively arranged at the notches of the mounting groove (8) and the guide groove (10), a squeezing ring is arranged in the first counter bore (18), one end of the squeezing ring is located in the counter bore of the mounting groove (8), and the other end of the squeezing ring is inserted into the second counter bore (19).

5. The sand core mold for molding the volute sand mold as claimed in claim 3, wherein: mounting groove (8) tank bottom is connected with grafting post (13), guide post (9) are equipped with inserting groove (14) towards the one end of mounting groove (8) tank bottom, inserting post (13) are arranged in inserting groove (14) and with inserting groove (14) sliding fit, the one end that mounting groove (8) tank bottom was kept away from in grafting post (13) is equipped with grafting piece (15), grafting piece (15) are arranged in the lateral wall of inserting post (13), inserting groove (14) tank bottom is equipped with locking groove (17), grafting piece (15) are arranged in locking groove (17) and with locking groove (17) normal running fit, inserting groove (14) notch is equipped with sliding tray (16) that are arranged in making grafting piece (15) insert locking groove (17).

6. The sand core mold for molding the volute sand mold as claimed in claim 5, wherein: and an adjusting groove (11) is arranged at one end of the guide column (9) far away from the bottom of the mounting groove (8).

7. The sand core mold for molding the volute sand mold as claimed in claim 5, wherein: one end of the insertion column (13) is provided with threads, the bottom of the mounting groove (8) is provided with a threaded hole (12), and the insertion column (13) is in threaded connection with the threaded hole (12).

8. The sand core mold for molding the volute sand mold as claimed in claim 3, wherein: the guide structures are provided with four groups, and the four groups of guide structures are respectively positioned at four corners of the side wall of the upper die (1) contacted with the lower die (2).