CN215431405U

CN215431405U - Copper alloy precision casting spare casting mold

Info

Publication number: CN215431405U
Application number: CN202121118241.8U
Authority: CN
Inventors: 董奥; 张兴军; 刘道军; 石小春
Original assignee: Dongguan Fenggang Guanzhu Copper Co Ltd
Current assignee: Dongguan Fenggang Guanzhu Copper Co Ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-01-07
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a copper alloy precision casting part casting die, which relates to the technical field of precision casting and comprises a bottom plate, wherein a receiving bottom block is arranged on the upper surface of the bottom plate, a lower die is sleeved on the receiving bottom block, an upper die is arranged on the upper side of the lower die, a liquid feeding hopper is arranged on the upper surface of the upper die in a penetrating mode, a pair of positioning columns which are located on the left side and the right side of the receiving bottom block are fixed on the upper surface of the bottom plate, eccentric wheels which are in contact with the lower surface of the lower die are movably sleeved on the two positioning columns, lower lug plates are respectively fixed on the left side and the right side of the lower die, the two lower lug plates are respectively movably sleeved on the two positioning columns, upper lug plates are respectively fixed on the left side and the right side of the upper die, and the two upper lug plates are respectively movably sleeved on the two positioning columns. The utility model can be used for quickly fixing, improving the fit degree between the dies and reducing the seepage of the copper alloy liquid.

Description

Copper alloy precision casting spare casting mold

Technical Field

The utility model relates to the technical field of precision casting, in particular to a casting mold for a copper alloy precision casting part.

Background

Copper alloy with zinc as the major additive element for brass molding has attractive yellow molding and is generally referred to as brass. The copper-zinc binary alloy is called common brass or simple brass. The three-element or more brass is called special brass or complex brass. Brass alloys containing less than 36% zinc are composed of solid solution and have good cold workability, and as 30% zinc brass are commonly used to make bullet case molding devices commonly known as bullet case brass or hepta-tri brass.

The utility model provides a copper alloy precision casting spare casting mold who proposes for 201710059251.0 in patent application number, comprising a base plate, there is the check lock lever left and right sides of bottom plate through hinge swing joint, the top left and right ends symmetry of bottom plate is equipped with movable cushion, and is two sets of in the top of movable cushion is connected with the lower mould, and fixed mode is fixed through locking device in this scheme, and fixed mode is not firm, leads to the copper alloy melt to ooze easily to it is more troublesome when fixed with the dismantlement, need dismantle locking screw repeatedly, be unfavorable for improving cast efficiency.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems of complicated fixing mode and inconvenience in disassembly and fixation in the background technology, the utility model provides a copper alloy precision casting part casting mold which can be used for quickly fixing, improving the fit degree between molds and reducing the seepage of copper alloy liquid.

(II) technical scheme

The utility model provides a copper alloy precision casting part casting mold which comprises a bottom plate, wherein a receiving bottom block is arranged on the upper surface of the bottom plate, a lower mold is sleeved on the receiving bottom block, an upper mold is arranged on the upper side of the lower mold, a liquid feeding hopper is arranged on the upper surface of the upper mold in a penetrating mode, a pair of positioning columns located on the left side and the right side of the receiving bottom block are fixed on the upper surface of the bottom plate, eccentric wheels in contact with the lower surface of the lower mold are movably sleeved on the two positioning columns, lower lug plates are respectively fixed on the left side and the right side of the lower mold, the two lower lug plates are respectively movably sleeved on the two positioning columns, upper lug plates are respectively fixed on the left side and the right side of the upper mold, and the two upper lug plates are respectively movably sleeved on the two positioning columns.

Preferably, two the rear side of reference column all runs through and is provided with the round bar, two the rear end of round bar all is fixed with the square bar, two the rear surface of square bar all is fixed with the slip post, two the common cover of slip post is equipped with back the shaped plate, the rear surface that returns the shaped plate runs through and is provided with T shape square bar, two all be fixed with the stay cord that is located back shaped plate rear side on the slip post, two the rear end of stay cord all with T shape square bar fixed connection, the lower fixed surface that returns the shaped plate has a pair of butt subassembly.

Preferably, the abutting assembly comprises an inserting rod fixed on the lower surface of the return-shaped plate, a sleeve is sleeved on the inserting rod, a spring sleeved on the inserting rod is arranged between the sleeve and the return-shaped plate, and an abutting pad is fixed on the lower surface of the spring.

Preferably, an inner cavity is formed among the bearing bottom block, the lower die and the upper die.

Preferably, each locating column is provided with a round hole for the round rod to be inserted and connected, and the round rod is located in the round hole of the locating column.

Preferably, the rear surface of the return-shaped plate is provided with a square hole for the T-shaped square rod to be inserted, and the T-shaped square rod is inserted in the square hole.

Preferably, the lower ear plate and the upper ear plate are both provided with a circular through groove corresponding to the position of the positioning column, and the diameter of the circular through groove is matched with that of the positioning column.

Preferably, a plurality of circular grooves are formed in the outer circumferential surface of each eccentric wheel at equal intervals.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

1. through the combination use of round bar, square bar, slip post, time shaped plate, T shape square bar, stay cord, peg graft pole, sleeve pipe and spring, can improve the laminating degree between last mould and the bed die, reduce the copper alloy melt and ooze.

Drawings

FIG. 1 is a rear view of a casting mold for copper alloy precision castings according to the present invention.

FIG. 2 is a front cross-sectional view of a casting mold for copper alloy precision castings according to the present invention.

Fig. 3 is a schematic perspective view of a casting mold for a copper alloy precision casting according to the present invention.

FIG. 4 is a top view of a casting mold for copper alloy precision castings according to the present invention.

In the figure: the device comprises a base plate 1, a bearing bottom block 2, a lower die 3, an upper die 4, a liquid feeding hopper 5, an inner cavity 6, a positioning column 7, an eccentric wheel 8, a lower lug plate 9, an upper lug plate 10, a round rod 11, a square rod 12, a sliding column 13, a return plate 14, a square rod 15T-shaped, a pull rope 16, an insertion rod 17, a sleeve 18 and a spring 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1-4, the casting mold for the copper alloy precision casting provided by the utility model comprises a bottom plate 1, wherein a receiving bottom block 2 is arranged on the upper surface of the bottom plate 1, a lower mold 3 is sleeved on the receiving bottom block 2, an upper mold 4 is arranged on the upper side of the lower mold 3, a liquid feeding hopper 5 is arranged on the upper surface of the upper mold 4 in a penetrating manner, a pair of positioning columns 7 positioned on the left side and the right side of the receiving bottom block 2 are fixed on the upper surface of the bottom plate 1, eccentric wheels 8 in contact with the lower surface of the lower mold 3 are movably sleeved on the two positioning columns 7 respectively, lower lug plates 9 are fixed on the left side and the right side of the lower mold 3 respectively, the two lower lug plates 9 are movably sleeved on the two positioning columns 7 respectively, upper lug plates 10 are fixed on the left side and the right side of the upper mold 4 respectively, and the two upper lug plates 10 are movably sleeved on the two positioning columns 7 respectively; the rear sides of the two positioning columns 7 are respectively provided with a round rod 11 in a penetrating manner, the rear ends of the two round rods 11 are respectively fixed with a square rod 12, the rear surfaces of the two square rods 12 are respectively fixed with a sliding column 13, the two sliding columns 13 are jointly sleeved with a return plate 14, the rear surface of the return plate 14 is respectively provided with a T-shaped square rod 15 in a penetrating manner, the two sliding columns 13 are respectively fixed with a pull rope 16 positioned at the rear side of the return plate 14, the rear ends of the two pull ropes 16 are respectively fixedly connected with the T-shaped square rods 15, and the lower surface of the return plate 14 is fixedly provided with a pair of abutting components; the abutting assembly comprises an inserting rod 17 fixed on the lower surface of the return-shaped plate 14, a sleeve 18 is sleeved on the inserting rod 17, a spring 19 sleeved on the inserting rod 17 is arranged between the sleeve 18 and the return-shaped plate 14, an abutting pad is fixed on the lower surface of the spring 19, and the flexibility of abutting is improved through the spring 19; an inner cavity 6 is formed among the bearing bottom block 2, the lower die 3 and the upper die 4; a round hole for inserting the round rod 11 is formed in the front side of each positioning column 7, the round rod 11 is located in the round hole of the positioning column 7, and the round hole facilitates the disassembly and assembly between the round rod 11 and the positioning column 7; the rear surface of the return plate 14 is provided with a square hole for the T-shaped square rod 15 to be inserted, and the T-shaped square rod 15 is inserted in the square hole; circular through grooves corresponding to the positioning columns 7 are formed in the lower ear plate 9 and the upper ear plate 10, the diameters of the circular through grooves are matched with the diameters of the positioning columns 7, and therefore the attaching degree of the lower ear plate 9 and the upper ear plate 10 to the positioning columns 7 is improved; a plurality of circular grooves are formed in the outer circumferential surface of each eccentric wheel 8 at equal intervals, and the circular grooves facilitate rotation of the eccentric wheels 8.

The working principle is as follows: when the device is used, the eccentric wheel 8 is rotated to a proper position, the lower die 3 is taken up through the lower lug plate 9, the positioning column 7 is correspondingly inserted into the circular through groove of the lower lug plate 9, the lower surface of the lower die 3 is contacted with the upper surface of the eccentric wheel 8, then the lower die 3 is attached and inserted with the receiving bottom block 2, then the upper die 4 is taken up through the upper lug plate 10, the circular through groove on the upper lug plate 10 is corresponding to the positioning column 7, then the upper die 4 is attached to the lower die 3, then the circular rod 11 fixed on the square rod 12 is correspondingly inserted into the circular hole on the positioning column 7, then the return plate 14 is pressed, the contact pad fixed at the lower end of the sleeve 18 is contacted with the upper surface of the upper die 4, the insertion rod 17 fixed on the return plate 14 slides with the sleeve 18, the spring 19 is stressed and compressed, and the sliding column 13 fixed on the square rod 12 slides in the return plate 14, then take out T shape square bar 15 from returning shape board 14 top side shape hole, then rotate T shape square bar 15, to the stay cord 16 rolling of fixing on the T shape square bar 15, thereby realized fixed to the butt of last mould 4, and then improved laminating degree between bed die 3 and the last mould 4, reduce the copper liquid and ooze, then add molten copper alloy liquid in inner chamber 6 from liquid feeding fill 5, and then accomplish the pouring, improved the efficiency of combination and dismantlement mould, and reduced the copper liquid and oozed.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a copper alloy precision casting spare casting mold, includes bottom plate (1), its characterized in that, the upper surface of bottom plate (1) is provided with accepts bottom (2), the last cover of accepting bottom (2) is equipped with bed die (3), the upside of bed die (3) is provided with mould (4), the upper surface of going up mould (4) runs through and is provided with liquid feeding fill (5), the upper surface of bottom plate (1) is fixed with a pair of reference column (7) that are located accepts bottom (2) left side and right side, two equal movable sleeve is equipped with eccentric wheel (8) that contact with bed die (3) lower surface on reference column (7), the left side and the right side of bed die (3) are fixed with lower otic placode (9) respectively, two lower otic placode (9) movable sleeve respectively are on two reference columns (7), the left side and the right side of going up mould (4) are fixed with upper otic placode (10) respectively, the two upper ear plates (10) are respectively movably sleeved on the two positioning columns (7).

2. The casting mold for the copper alloy precision casting parts as claimed in claim 1, wherein a round rod (11) penetrates through the rear sides of the two positioning columns (7), a square rod (12) penetrates through the rear ends of the two round rods (11), a sliding column (13) is fixed on the rear surface of each square rod (12), a return plate (14) is sleeved on the sliding column (13) together, a T-shaped square rod (15) penetrates through the rear surface of the return plate (14), a pull rope (16) located on the rear side of the return plate (14) is fixed on each sliding column (13), the rear ends of the pull ropes (16) are fixedly connected with the T-shaped square rod (15), and a pair of component butting joints is fixed on the lower surface of the return plate (14).

3. The casting mold for the copper alloy precision casting part as claimed in claim 2, wherein the abutting assembly comprises an inserting rod (17) fixed on the lower surface of the return-shaped plate (14), a sleeve (18) is sleeved on the inserting rod (17), a spring (19) sleeved on the inserting rod (17) is arranged between the sleeve (18) and the return-shaped plate (14), and an abutting pad is fixed on the lower surface of the spring (19).

4. A copper alloy precision casting mould according to claim 1, characterized in that an inner cavity (6) is formed between the receiving bottom block (2), the lower mould (3) and the upper mould (4).

5. The casting mold for the copper alloy precision casting parts as claimed in claim 2, wherein a round hole for inserting the round rod (11) is formed in the front side of each positioning column (7), and the round rod (11) is located in the round hole of the positioning column (7).

6. The casting mold for the copper alloy precision casting parts as claimed in claim 2, wherein the back surface of the return-shaped plate (14) is provided with a square hole for inserting the T-shaped square rod (15), and the T-shaped square rod (15) is inserted into the square hole.

7. The casting mold for the copper alloy precision casting parts as claimed in claim 1, wherein the lower lug plate (9) and the upper lug plate (10) are provided with circular through grooves corresponding to the positioning columns (7), and the diameter of each circular through groove is matched with that of each positioning column (7).

8. The casting mold for copper alloy precision castings according to claim 1, characterized in that a plurality of circular grooves are formed on the outer circumferential surface of each eccentric wheel (8) at equal intervals.