CN212239107U

CN212239107U - Casting head structure for casting brake drum

Info

Publication number: CN212239107U
Application number: CN202021962947.8U
Authority: CN
Inventors: 胡玉梅; 胡军
Original assignee: Shiyan Hongchangda Industry And Trade Co ltd
Current assignee: Shiyan Hongchangda Industry And Trade Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-12-29
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a brake drum casting head structure, which belongs to the brake drum processing field, and comprises a mold and a casting head, wherein the casting head is positioned in the mold, a heat-insulating cylinder is sleeved on the side wall of the casting head, the heat-insulating cylinder is of an annular structure, a cavity is arranged in the heat-insulating cylinder, a heat-insulating layer is arranged on the inner wall of the cavity, an annular electric heating plate is arranged in the heat-insulating layer, a heat-conducting plate is arranged on the inner wall of the annular electric heating plate, sleeves are symmetrically welded on the outer wall of the heat-insulating cylinder, fixed blocks are symmetrically welded on the top wall of the sleeve, a lead screw is rotatably installed between the two fixed blocks, a nut block is in threaded connection with the lead screw, a rectangular through hole is formed in; the utility model relates to a novelty, the structure is ingenious, not only avoids the pouring in-process casting head interior molten metal to cool off fast, and has improved the stability of pouring, has guaranteed the fashioned quality of product, is worth promoting.

Description

Casting head structure for casting brake drum

Technical Field

The utility model belongs to the technical field of the brake drum processing, concretely relates to brake drum casting dead head structure.

Background

The main casting process of the automobile brake drum at the present stage is to form a casting by means of pouring, and to perform feeding on a product by using static pressure of molten metal in a casting head, that is, the used heating head must have a certain quality to provide enough heating value, and the casting head must be filled with the molten metal feeding liquid higher than a product structure, so as to meet the requirement of the casting product technological yield.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brake drum casting dead head structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a brake drum casting dead head structure, including mould and dead head, the dead head is located the inside of mould, the cover is equipped with a heat preservation section of thick bamboo on the lateral wall of dead head, a heat preservation section of thick bamboo is ring structure, be provided with the cavity in the heat preservation section of thick bamboo, be provided with annular electric plate on the inner wall of cavity, be provided with the heat-conducting plate on the inner wall of annular electric plate, the symmetric welding has the sleeve on the outer wall of a heat preservation section of thick bamboo, the symmetric welding has the fixed block on the telescopic roof, rotate between two fixed blocks and install the lead screw, threaded connection has the nut piece on the lead screw, the rectangle through-hole has been seted up at the top of sleeve inner chamber, the rectangle through-hole is located the lead screw under, the activity is provided with the movable rod in the rectangle through-hole, the top of movable rod is fixed on the nut piece.

In a preferred embodiment, the mold comprises an upper mold and a lower mold, a cavity is formed between the upper mold and the lower mold, and the pouring channel of the casting head is communicated with the cavity.

In a preferred embodiment, the inner side of the heat conducting plate is in contact with the casting head, and the heat conducting plate is made of copper.

As a preferred embodiment, one end of the screw rod penetrates through a fixed block to be connected with a knob, and a rubber ring is arranged on the knob.

As a preferable embodiment, a rubber pad is bonded on one side wall of the push block, and the side wall of the rubber pad is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the casting head structure for the brake drum, the casting head is stably fixed inside the mold by the aid of the structures such as the sleeve, the fixing block, the screw rod, the nut block and the push block, so that casting stability is guaranteed, the casting head cannot deviate in a casting process, and a casting effect is improved;

this brake drum casting dead head structure is through setting up structures such as heat-conducting plate, annular electric plate, cavity and heat preservation, makes the temperature of the intraoral metal liquid of dead head be in a controllable state, avoids the metal liquid to cool off fast, guarantees the fashioned quality of product.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the heat-insulating cylinder of the present invention;

fig. 3 is a schematic structural view of the sleeve according to the present invention.

In the figure: 1. a mold; 2. casting a dead head; 3. a heat-preserving cylinder; 4. a sleeve; 5. a cavity; 6. a heat-insulating layer; 7. an annular electric heating plate; 8. a heat conducting plate; 9. a fixed block; 10. a screw rod; 11. a nut block; 12. a rectangular through hole; 13. a movable rod; 14. a movable block; 15. a push rod; 16. and (7) pushing the block.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the present invention provides a brake drum casting gate structure, which includes a mold 1 and a gate 2, wherein the mold 1 includes an upper mold and a lower mold, a cavity is formed between the upper mold and the lower mold, and a gate passage of the gate 2 is communicated with the cavity.

The casting head 2 is located inside the mold 1, a heat insulation cylinder 3 is sleeved on the side wall of the casting head 2, the heat insulation cylinder 3 is of a circular ring-shaped structure, a cavity 5 is arranged in the heat insulation cylinder 3, a heat insulation layer 6 is arranged on the inner wall of the cavity 5, an annular electric heating plate 7 is arranged in the heat insulation layer 6, a heat conduction plate 8 is arranged on the inner wall of the annular electric heating plate 7, the inner side of the heat conduction plate 8 is in contact with the casting head 2, and the heat conduction plate 8 is made of.

The outer wall of the heat preservation cylinder 3 is symmetrically welded with a sleeve 4, the top wall of the sleeve 4 is symmetrically welded with fixing blocks 9, a screw rod 10 is rotatably installed between the two fixing blocks 9, a nut block 11 is connected to the screw rod 10 in a threaded mode, a rectangular through hole 12 is formed in the top of the inner cavity of the sleeve 4, the rectangular through hole 12 is located under the screw rod 10, one end of the screw rod 10 penetrates through one fixing block 9 and is connected with a knob, and a rubber ring is arranged on the knob.

The movable rod 13 is movably arranged in the rectangular through hole 12, the top of the movable rod 13 is fixed on the nut block 11, the movable block 14 is fixed at the bottom of the movable rod 13, the push rod 15 is welded on one side wall of the movable block 14, the push block 16 is welded at one end, away from the movable block 14, of the push rod 15, the rubber pad is bonded on one side wall of the push block 16, and anti-skid grains are formed in the side wall of the rubber pad.

When in use, the casting head 2 is placed on the inner hole of the mould 1, the casting channel of the casting head is communicated with the cavity of the mould 1, then the screw rod 10 is rotated by the rotating shaft knob, so that the nut block 11 is driven to move along the screw rod 10, the nut block 11 drives the push rod 15 to move through the movable rod 13 and the movable block 14, the push rod 15 pushes the push block 16 to be close to the inner part of the mold 1, the push blocks 16 on the two sides are far away from each other, the push blocks 16 on the two sides are all abutted against the inner wall of the mold 1, thereby supporting the casting head 2, ensuring the stability of the casting head 2, avoiding the casting head 2 from deviating when casting molten metal, setting the annular electric heating plate 7 to be stable properly during the casting process, the heat is transferred to the casting head 2 through the heat conducting plate 8, so that the temperature of the molten metal in the casting head 2 is in a controllable state, the molten metal is prevented from being cooled rapidly, and the product forming quality is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a braking drum casting dead head structure, includes mould (1) and dead head (2), its characterized in that: the casting head (2) is positioned inside the die (1), a heat-insulating cylinder (3) is sleeved on the side wall of the casting head (2), the heat-insulating cylinder (3) is of a circular ring-shaped structure, a cavity (5) is arranged in the heat-insulating cylinder (3), a heat-insulating layer (6) is arranged on the inner wall of the cavity (5), an annular electric heating plate (7) is arranged in the heat-insulating layer (6), a heat-conducting plate (8) is arranged on the inner wall of the annular electric heating plate (7), sleeves (4) are symmetrically welded on the outer wall of the heat-insulating cylinder (3), fixed blocks (9) are symmetrically welded on the top wall of the sleeves (4), a lead screw (10) is rotatably arranged between the two fixed blocks (9), a nut block (11) is connected on the lead screw (10) in a threaded manner, a rectangular through hole (12) is formed in the top of the inner cavity of the sleeves (4), the, the top of the movable rod (13) is fixed on the nut block (11), the bottom of the movable rod (13) is fixed with the movable block (14), a push rod (15) is welded on one side wall of the movable block (14), and a push block (16) is welded at one end, far away from the movable block (14), of the push rod (15).

2. The brake drum casting head structure of claim 1, wherein: the mould (1) comprises an upper mould and a lower mould, a cavity is formed between the upper mould and the lower mould, and a pouring channel of the casting head (2) is communicated with the cavity.

3. The brake drum casting head structure of claim 1, wherein: the inner side of the heat conducting plate (8) is in contact with the casting head (2), and the heat conducting plate (8) is made of copper.

4. The brake drum casting head structure of claim 1, wherein: one end of the screw rod (10) penetrates through a fixing block (9) to be connected with a knob, and a rubber ring is arranged on the knob.

5. The brake drum casting head structure of claim 1, wherein: a rubber pad is bonded on one side wall of the push block (16), and anti-skid grains are arranged on the side wall of the rubber pad.