CN218050203U

CN218050203U - Belt pulley forming die with lightening holes

Info

Publication number: CN218050203U
Application number: CN202221569829.XU
Authority: CN
Inventors: 吴翊连; 周瑛
Original assignee: Fujian Asite Auto Parts Manufacturing Co ltd
Current assignee: Fujian Asite Auto Parts Manufacturing Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-12-16
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a take lightening hole belt pulley forming die, comprising a lower die, the inside movable mounting of lower mould has belt pulley shaping seat, the inside of belt pulley shaping seat has the reference column through welded fastening, the mold core has been cup jointed on the surface of reference column, the spout has been seted up to the inside of lower mould, the inside sliding connection of spout has the belt pulley shaping external mold, the front end of belt pulley shaping external mold extends to the inside of belt pulley shaping seat, the front end both sides surface of belt pulley shaping external mold and the inner wall laminating of belt pulley shaping seat, the terminal surface of belt pulley shaping external mold and the inner wall laminating of spout. A take lightening hole belt pulley forming die, through seting up the spout in the bed die to set up belt pulley shaping external mold in the spout, the cooperation pull ring is conveniently taken out belt pulley shaping external mold from belt pulley shaping seat after belt pulley casting shaping, is favorable to the belt pulley drawing of patterns after the shaping.

Description

Belt pulley forming die with lightening holes

Technical Field

The utility model relates to a forming die technical field, in particular to area lightening hole belt pulley forming die.

Background

The belt pulley belongs to a hub part, generally has a large relative size, is mainly cast and forged in the manufacturing process, is designed into a casting method with a large size, is made of cast iron and rarely made of cast steel; generally, the steel is small in size and can be designed to be forged, and the material is steel.

The existing mould is used for casting, cooling and forming the belt pulley, and the side surface of the belt pulley is provided with a protrusion, so that the formed belt pulley is not convenient to demould.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a take lightening hole belt pulley forming die can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the belt pulley forming die with the lightening holes comprises a lower die, wherein a belt pulley forming seat is movably mounted inside the lower die, a positioning column is fixed inside the belt pulley forming seat through welding, a mold core is sleeved on the surface of the positioning column, a sliding groove is formed inside the lower die, and a belt pulley forming outer die is connected inside the sliding groove in a sliding mode.

Preferably, the front end of the belt pulley forming external mold extends into the belt pulley forming seat, the surfaces of the two sides of the front end of the belt pulley forming external mold are attached to the inner wall of the belt pulley forming seat, and the surface of the tail end of the belt pulley forming external mold is attached to the inner wall of the sliding groove.

Preferably, the number of the belt pulley forming external dies is two, a clamping groove is formed in the surface of one of the two groups of belt pulley forming external dies, an inserting block is fixed on the surface of the other group of belt pulley forming external dies through welding, the shape of the clamping groove is matched with that of the inserting block, and a pull ring is fixed on the surface of the tail end of the belt pulley forming external die through welding.

Preferably, the upper end of lower mould is provided with the mould, the lower extreme of going up the mould is through welded fastening has the bolt, the bolt runs through in draw-in groove and inserted block.

Preferably, four groups of positioning blocks are fixed at the lower end corners of the upper die through welding, the positioning blocks are arranged in a rectangular array along the surface of the upper die, positioning grooves are formed in the positions, corresponding to the connecting positions of the positioning blocks, on the surface of the lower die, and the positioning grooves are matched with the positioning blocks in shape.

Preferably, two groups of casting openings are formed in the upper end of the lower die, the casting openings penetrate through the upper die, and the casting openings are communicated with the belt pulley forming seat.

Preferably, a plurality of lightening holes are formed in the surfaces of the lower die and the belt pulley forming external die, and the lightening holes are arranged at equal intervals along the surfaces of the lower die and the belt pulley forming external die respectively.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through seting up the spout in the lower mould to set up belt pulley shaping external mold in the spout, the cooperation pull ring is conveniently taken out band pulley shaping external mold from belt pulley shaping seat after the belt pulley casting shaping, is favorable to the belt pulley drawing of patterns after the shaping.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

Fig. 1 is a schematic view of the overall structure of the belt pulley forming mold with lightening holes of the present invention;

FIG. 2 is a sectional view of the belt pulley forming mold with lightening holes of the present invention;

FIG. 3 is a schematic view of the internal structure of the lower mold of the forming mold for a belt pulley with lightening holes of the present invention;

FIG. 4 is an exploded view of the belt pulley forming mold with lightening holes of the present invention;

fig. 5 is a schematic structural diagram of the belt pulley forming external mold in the belt pulley forming mold with lightening holes of the present invention.

In the figure: 1. a lower die; 2. a belt pulley forming seat; 3. a positioning column; 4. a mold core; 5. a belt pulley forming external mold; 6. a card slot; 7. inserting a block; 8. a pull ring; 9. a chute; 10. an upper die; 11. a casting gate; 12. a bolt; 13. positioning blocks; 14. positioning a groove; 15. and (7) lightening holes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a belt pulley forming mold with lightening holes comprises a lower mold 1, a belt pulley forming seat 2 is movably mounted inside the lower mold 1, the belt pulley forming seat 2 can be conveniently taken out of the lower mold 1, cleaning of the inside of the belt pulley forming seat 2 is facilitated, forming quality of a belt pulley can be guaranteed, a positioning column 3 is fixed inside the belt pulley forming seat 2 through welding, the top end of the positioning column 3 extends to the inside of an upper mold 10, a mold core 4 is sleeved on the surface of the positioning column 3, the positioning column 3 can be used for positioning the mold core 4, forming accuracy of the belt pulley is guaranteed, a sliding groove 9 is formed inside the lower mold 1, a belt pulley forming outer mold 5 is slidably connected inside the sliding groove 9, a limiting effect can be achieved on the belt pulley forming outer mold 5 through the sliding groove 9, the belt pulley forming outer mold 5 is prevented from being separated from the lower mold 1, the front end of the belt pulley forming outer mold 5 extends to the inside of the belt pulley forming seat 2, surfaces of two sides of the front end of the belt pulley forming outer mold 5 are attached to the inner wall of the belt pulley forming seat 2, the end surface of the belt pulley forming outer mold 5 is attached to the inner wall of the sliding groove 9, and sealing performance of the belt pulley forming seat 2 can be guaranteed.

The belt pulley forming outer molds 5 are divided into two groups, a clamping groove 6 is formed in the surface of one group, an insert block 7 is fixed on the surface of the other group by welding, the shape of the clamping groove 6 is matched with that of the insert block 7, the two groups of belt pulley forming outer molds 5 can be spliced together by utilizing the clamping groove 6 and the insert block 7, a pull ring 8 is fixed on the tail end surface of each belt pulley forming outer mold 5 by welding, the belt disorder forming outer molds can be conveniently pulled out of a belt pulley forming seat 2 by utilizing the pull ring 8, demoulding of the formed belt pulley is facilitated, an upper mold 10 is arranged at the upper end of a lower mold 1, a bolt 12 is fixed at the lower end of the upper mold 10 by welding, the bolt 12 penetrates through the clamping groove 6 and the insert block 7, and the two groups of belt pulley forming outer molds 5 can be spliced together to be locked by utilizing the bolt 12.

After the belt pulley is cast and molded in the belt pulley molding seat 2, the upper die 10 is taken down from the upper end of the lower die 1, so that the plug pin 12 is separated from the clamping groove 6 and the plug block 7, then the belt pulley molding outer die 5 is pulled out from two sides of the lower die 1 by utilizing the pull ring 8, so that the belt pulley molding outer die 5 is separated from the molded belt pulley, and then the molded belt pulley is taken out from the belt pulley molding seat 2.

Four groups of positioning blocks 13 are fixed at the lower end corners of the upper die 10 through welding, the positioning blocks 13 are arranged in a rectangular array along the surface of the upper die 10, positioning grooves 14 are formed in the surface of the lower die 1 corresponding to the joints of the positioning blocks 13, the shapes of the positioning grooves 14 are matched with the positioning blocks 13, the upper die 10 can be positioned by matching the positioning blocks 13 with the positioning grooves 14, the matching degree between the upper die 10 and the lower die 1 is ensured, two groups of casting ports 11 are formed in the upper end of the lower die 1, the casting ports 11 penetrate through the upper die 10, the casting ports 11 are communicated with the belt pulley forming seat 2, liquid alloy can be poured into the belt pulley forming seat 2 through the casting ports 11, a plurality of lightening holes 15 are formed in the surfaces of the lower die 1 and the belt pulley outer die 5, the lightening holes 15 are arranged at equal intervals along the surfaces of the lower die 1 and the belt pulley outer die 5 respectively, and the whole weight of the die can be lightened through the lightening holes 15.

When the belt pulley is cast, the upper die 10 and the lower die 1 are combined, so that the positioning block 13 is embedded into the positioning groove 14, after die assembly is performed, liquid alloy is poured into the belt pulley forming seat 2 through the pouring gate 11, and the belt pulley is cast and formed through matching of the die core 4 and the belt pulley forming outer die 5.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take lightening hole belt pulley forming die, includes lower mould (1), its characterized in that: the inside movable mounting of lower mould (1) has belt pulley forming seat (2), the inside of belt pulley forming seat (2) is through welded fastening has reference column (3), mold core (4) have been cup jointed on the surface of reference column (3), spout (9) have been seted up to the inside of lower mould (1), the inside sliding connection of spout (9) has belt pulley shaping external mold (5).

2. The belt pulley forming die with the lightening hole as claimed in claim 1, wherein: the belt pulley forming device is characterized in that the front end of the belt pulley forming outer die (5) extends to the inside of the belt pulley forming seat (2), the surfaces of the two sides of the front end of the belt pulley forming outer die (5) are attached to the inner wall of the belt pulley forming seat (2), and the surface of the tail end of the belt pulley forming outer die (5) is attached to the inner wall of the sliding groove (9).

3. The belt pulley forming die with the lightening hole as claimed in claim 2, wherein: the belt pulley forming external mold is characterized in that the number of the belt pulley forming external mold (5) is two, a clamping groove (6) is formed in the surface of one of the two groups, an inserting block (7) is fixed on the surface of the other group by welding, the shape of the clamping groove (6) is matched with that of the inserting block (7), and a pull ring (8) is fixed on the surface of the tail end of the belt pulley forming external mold (5) by welding.

4. The belt pulley forming die with the lightening hole as claimed in claim 3, wherein: the upper end of lower mould (1) is provided with mould (10), the lower extreme of going up mould (10) is through welded fastening has bolt (12), bolt (12) run through in draw-in groove (6) and inserted block (7).

5. The belt pulley forming die with the lightening hole as claimed in claim 4, wherein: four sets of locating pieces (13) are fixed at the lower end corners of the upper die (10) through welding, the locating pieces (13) are arranged in a rectangular array mode along the surface of the upper die (10), locating grooves (14) are formed in the positions, corresponding to the locating pieces (13), of the surface of the lower die (1), and the shapes of the locating grooves (14) are matched with the locating pieces (13).

6. The belt pulley forming die with the lightening hole as claimed in claim 1, wherein: two groups of casting gates (11) are arranged at the upper end of the lower die (1), the casting gates (11) penetrate through the upper die (10), and the casting gates (11) are communicated with the belt pulley forming seat (2).

7. The belt pulley forming die with the lightening hole as claimed in claim 1, wherein: the surface of the lower die (1) and the surface of the belt pulley forming outer die (5) are both provided with a plurality of lightening holes (15), and the lightening holes (15) are arranged at equal intervals along the surfaces of the lower die (1) and the belt pulley forming outer die (5) respectively.