CN219703402U

CN219703402U - Fixing tool for lost foam model of brake disc

Info

Publication number: CN219703402U
Application number: CN202320860241.8U
Authority: CN
Inventors: 蔡连鹏
Original assignee: Jiyuan Tongli Industrial Co ltd
Current assignee: Jiyuan Tongli Industrial Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-09-19
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a fixing tool of a brake disc lost foam model, which comprises a fixing tool main body, a quartz sand barrel and the brake disc lost foam model, wherein the lower end of the quartz sand barrel is connected with a vibration seat, the fixing tool main body is positioned in the quartz sand barrel, the brake disc lost foam model is positioned on the fixing tool main body, a sealing fixing cover is arranged on the fixing tool main body, the inner side of the sealing fixing cover is uniformly connected with a third connecting piece with a Z-shaped structure, the side surface and the lower end of the third connecting piece respectively penetrate through a second adjusting screw rod and a first adjusting screw rod, the other side of the second adjusting screw rod is provided with a second connecting piece, the upper end of the first adjusting screw rod is connected with a supporting plate, and the upper part of the second connecting piece is provided with a first connecting piece. The fixture for fixing the lost foam model of the brake disc can firmly fix the lost foam model of the brake disc, and meanwhile, the lost foam model of the brake disc is convenient to feed, so that the negative pressure casting efficiency of the brake disc is improved.

Description

Fixing tool for lost foam model of brake disc

Technical Field

The utility model relates to the technical field of brake disc machining, in particular to a fixture for fixing a lost foam model of a brake disc.

Background

The brake disc is a friction partner of a disc brake, and should have a stable friction coefficient as high as possible, and appropriate wear resistance, heat dissipation, heat capacity, and the like, in addition to strength and rigidity required as a member. The brake disc can be cast and formed through a lost foam casting (also called full mold casting), which is a novel casting method for forming the casting after wax or foam models with the size and shape similar to those of the casting are bonded and combined into a model cluster, the model cluster is brushed with refractory paint and dried, then the model cluster is buried in dry quartz sand for vibration molding, casting is carried out under negative pressure, the model is gasified, liquid metal occupies the position of the model, and solidification and cooling are carried out.

The existing lost foam model for casting the brake disc is subjected to positioning treatment through a fixing tool, so that the position of the lost foam model is ensured to be stable, and the brake disc is subjected to negative pressure casting, but the feeding adjustment treatment of the lost foam model of the brake disc is inconvenient to carry out when the existing fixing tool is used, so that the shape of the lost foam model of the brake disc is easy to deviate, and casting errors are caused.

Disclosure of Invention

The utility model aims to provide a fixture for fixing a brake disc lost foam model, which solves the problems that the prior fixture for fixing the brake disc lost foam model in the market is inconvenient to carry out feeding adjustment treatment of the brake disc lost foam model, and the shape of the brake disc lost foam model is easy to deviate to cause casting errors.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixed frock of brake disc lost foam model, includes fixed frock main part, quartz sand bucket and brake disc lost foam model, quartz sand bucket lower extreme is connected with the vibrations seat, and fixed frock main part is in quartz sand bucket, brake disc lost foam model is in fixed frock main part, be equipped with sealed fixed cover in the fixed frock main part, and sealed fixed cover inboard evenly is connected with Z type structure's third connecting piece, third connecting piece side and lower extreme run through respectively have second adjusting screw and first adjusting screw, and the second adjusting screw opposite side is equipped with the second connecting piece, and first adjusting screw upper end is connected with the backup pad, second connecting piece top is equipped with first connecting piece, and first connecting piece, second connecting piece and backup pad are close to the one side of brake disc lost foam model all are connected with the staple, quartz sand bucket below is equipped with the collection case.

Preferably, the fixing nails are welded and fixed with the first connecting piece, the second connecting piece and the supporting plate respectively, and one end, close to the lost foam model of the brake disc, of the fixing nails is of a pointed structure with an arc.

Preferably, the first adjusting screw and the second adjusting screw are both fixed with fixing nuts through thread structures.

Preferably, the quartz sand barrel and the two sides of the sealing fixing cover are symmetrically welded with the second fixing block and the first fixing block respectively, and a lifting cylinder is fixed between the first fixing block and the second fixing block through bolts.

Preferably, the second connecting piece is fixed with an adjusting bolt through a thread structure, and the adjusting bolt is connected with the first connecting piece through clamping.

Preferably, the sealing and fixing cover is of a cylindrical structure with an opening at the lower end, and the sealing and fixing cover is in clamping and sealing connection with the quartz sand barrel.

Compared with the prior art, the utility model has the beneficial effects that: the fixture for fixing the lost foam model of the brake disc can firmly fix the lost foam model of the brake disc, and meanwhile, the lost foam model of the brake disc is convenient to feed, so that the negative pressure casting efficiency of the brake disc is improved. According to the fixture for the lost foam model of the brake disc, the fixing nails are positioned through the uniformly distributed connecting pieces, the position of the fixing nails is adjusted through the displacement adjustment of the connecting pieces, the lost foam model of the brake disc is positioned through the fixing nails, the contact surface between the end heads of the fixing nails and the lost foam model of the brake disc is small, and the brake disc can be conveniently detached.

Drawings

FIG. 1 is a schematic diagram of a fixture structure of a lost foam model of a brake disc;

FIG. 2 is a schematic view of a lifting structure of a fixture of a lost foam model of a brake disc according to the present utility model;

FIG. 3 is a top view of a fixture for a lost foam model of a brake disc according to the present utility model;

fig. 4 is a side view of connection between connecting pieces of a fixture of a lost foam model of a brake disc according to the present utility model.

In the figure: 1. fixing the tool main body; 2. a first fixed block; 3. a lifting cylinder; 4. fixing nails; 5. a first adjusting screw; 6. a second fixed block; 7. quartz sand barrels; 8. a vibration seat; 9. a material collecting box; 10. an adjusting bolt; 11. a first connector; 12. a brake disc lost foam model; 13. a second connector; 14. sealing and fixing the cover; 15. a fixing nut; 16. a second adjusting screw; 17. a support plate; 18. and a third connecting piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the fixture comprises a fixture main body 1, a quartz sand barrel 7 and a brake disc lost foam model 12, wherein the lower end of the quartz sand barrel 7 is connected with a vibration seat 8, the fixture main body 1 is positioned in the quartz sand barrel 7, the brake disc lost foam model 12 is positioned on the fixture main body 1, a sealing fixing cover 14 is arranged on the fixture main body 1, two sides of the quartz sand barrel 7 and the sealing fixing cover 14 are respectively symmetrically welded with a second fixing block 6 and a first fixing block 2, a lifting cylinder 3 is fixed between the first fixing block 2 and the second fixing block 6 through bolts, the lifting cylinder 3 is used for lifting the fixture main body 1 so as to facilitate the feeding of the brake disc lost foam model 12 and the detachment of a brake disc, the inner side of the sealing fixing cover 14 is uniformly connected with a third connecting piece 18 with at least six Z-shaped structures, the side surface and the lower end of the third connecting piece 18 are respectively penetrated with a second adjusting screw 16 and a first adjusting screw 5, the first adjusting screw 5 and the second adjusting screw 16 are both fixed with a fixing nut 15 through a threaded structure, the first adjusting screw 5 of the structure can carry out lifting adjustment treatment on a supporting plate 17 so as to facilitate the feeding of the brake disc lost foam model 12 and the separation of the brake disc, the second adjusting screw 16 is used for the adjustment treatment of the positions of the second connecting piece 13 and the first connecting piece 11 so that the fixing nail 4 is far away from the brake disc lost foam model 12, the other side of the second adjusting screw 16 is provided with a second connecting piece 13, an adjusting bolt 10 is fixed on the second connecting piece 13 through a threaded structure, the adjusting bolt 10 is connected with the first connecting piece 11 through a clamping structure, the adjusting bolt 10 can carry out fastening treatment on the first connecting piece 11, and meanwhile, the first connecting piece 11 is clamped with the adjusting bolt 10, the distance between the first connecting piece 11 and the second connecting piece 13 can be adjusted, the sealing fixing cover 14 is of a cylindrical structure with an opening at the lower end, the sealing fixing cover 14 is in sealing connection with the quartz sand barrel 7 through clamping, the sealing fixing cover 14 is arranged on the quartz sand barrel 7 in a sealing mode, a brake disc is cast in a negative pressure state, the upper end of the first adjusting screw 5 is connected with a supporting plate 17 of a disc structure, the supporting plate 17 can be of a mesh structure, so that vibration treatment of quartz sand is conducted, the first connecting piece 11 is arranged above the second connecting piece 13, the first connecting piece 11, the second connecting piece 13 and one face of the supporting plate 17, close to the brake disc vanishing mould 12, are respectively connected with the fixing nails 4 through the first connecting piece 11, the second connecting piece 13 and the supporting plate 17, the fixing nails 4 are in a circular arc tip structure, the first connecting piece 11 and the second connecting piece 13 are in a fixed treatment on the side face of the brake disc mould 12 through the fixing nails 4, the position of the side face of the first connecting piece 11 and the second connecting piece 13 can be adjusted through the fixing nails 4, the position of the fixing nails is adjusted relative to the side face of the brake disc mould 12, the small aggregate mould 4 is matched with the bottom of the brake disc mould 9, the small aggregate mould 9 can be matched with the small aggregate mould 9, and the small aggregate mould 9 is fixed, and the small aggregate mould is fixed, and the size of the aggregate mould is reduced is used for collecting the aggregate mould 9 is matched with the small mould 9, and the aggregate mould is subjected to the small-size is subjected to the vibration treatment.

Working principle: when the fixture for fixing the lost foam model of the brake disc is used, firstly, when the lifting cylinder 3 is started, the sealing fixing cover 14 is lifted under the positioning of the quartz sand barrel 7 through the positioning of the first fixing block 2 and the second fixing block 6, then the lost foam model of the brake disc 12 is placed on the fixing nails 4 above the supporting plate 17, the predetermined position of the lost foam model of the brake disc 12 is carried out, then the supporting plate 17 is lifted under the movable fit of the first adjusting screw 5 and the third connecting piece 18, the side surfaces of the lost foam model of the brake disc 12 are respectively clamped between the fixing nails 4 fixed on the first connecting piece 11 and the second connecting piece 13, the first adjusting screw 5 is used for carrying out the position fastening treatment through the fixing nuts 15, the quick feeding of the lost foam model of the brake disc 12 is realized, the distance between the side fixing nails 4 of the first connecting piece 11 and the second connecting piece 13, the fixed tooling main body 1 realizes the feeding and fastening treatment of the brake disc lost foam model 12 through the movement between the first connecting piece 11 and the adjusting bolt 10 and the bolt fastening, then the lifting cylinder 3 drives the sealing and fixing cover 14 to descend, the sealing and fixing cover 14 is arranged on the quartz sand barrel 7 in a sealing way, quartz sand is conveyed into the quartz sand barrel 7 through the sealing and fixing cover 14 by the quartz sand conveying mechanism, then the vibration seat 8 is vibrated by the vibration motor so as to vibrate and model, casting is carried out under negative pressure, the brake disc lost foam model 12 is gasified, liquid metal occupies the position of the brake disc lost foam model 12, a brake disc casting is formed after solidification and cooling, when the brake disc is removed, part of quartz sand is discharged into the material collecting box 9 through the outlet at the bottom of the quartz sand barrel 7, then the lifting cylinder 3 drives the sealing and fixing cover 14 to ascend again, then the second adjusting screw 16 and the first adjusting screw 5 are adjusted, and (3) separating the brake disc from the fixed nails 4, and then repeating the steps to feed the brake disc lost foam model 12 and cast the brake disc, thereby completing a series of work.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a fixed frock of brake disc lost foam model, includes fixed frock main part (1), quartz sand bucket (7) and brake disc lost foam model (12), quartz sand bucket (7) lower extreme is connected with vibrations seat (8), and fixed frock main part (1) are in quartz sand bucket (7), brake disc lost foam model (12) are in fixed frock main part (1), its characterized in that: the fixing tool comprises a fixing tool body (1), wherein a sealing fixing cover (14) is arranged on the fixing tool body (1), a third connecting piece (18) of a Z-shaped structure is uniformly connected to the inner side of the sealing fixing cover (14), a second adjusting screw (16) and a first adjusting screw (5) are respectively penetrated through the side face and the lower end of the third connecting piece (18), a second connecting piece (13) is arranged on the other side of the second adjusting screw (16), a supporting plate (17) is connected to the upper end of the first adjusting screw (5), a first connecting piece (11) is arranged above the second connecting piece (13), fixing nails (4) are connected to one face, close to a brake disc lost foam model (12), of the first connecting piece (11), the second connecting piece (13) and the supporting plate (17), and a material collecting box (9) is arranged below a quartz sand barrel (7).

2. The fixture for fixing a lost foam model of a brake disc according to claim 1, wherein: the fixing nails (4) are welded and fixed with the first connecting piece (11), the second connecting piece (13) and the supporting plate (17) respectively, and one end, close to the brake disc lost foam model (12), of each fixing nail (4) is of a pointed structure with an arc.

3. The fixture for fixing a lost foam model of a brake disc according to claim 1, wherein: and fixing nuts (15) are fixed on the first adjusting screw (5) and the second adjusting screw (16) through thread structures.

4. The fixture for fixing a lost foam model of a brake disc according to claim 1, wherein: the quartz sand barrel (7) and the sealing fixed cover (14) are symmetrically welded with the second fixed block (6) and the first fixed block (2) respectively, and the lifting cylinder (3) is fixed between the first fixed block (2) and the second fixed block (6) through bolts.

5. The fixture for fixing a lost foam model of a brake disc according to claim 1, wherein: an adjusting bolt (10) is fixed on the second connecting piece (13) through a threaded structure, and the adjusting bolt (10) is connected with the first connecting piece (11) through clamping.

6. The fixture for fixing a lost foam model of a brake disc according to claim 1, wherein: the sealing and fixing cover (14) is of a cylindrical structure with an opening at the lower end, and the sealing and fixing cover (14) is in clamping and sealing connection with the quartz sand barrel (7).