CN2923293Y

CN2923293Y - Formation mould for pressing magnetic material powder

Info

Publication number: CN2923293Y
Application number: CN 200620104893
Authority: CN
Inventors: 晏小兵
Original assignee: Ningbo Ketian Magnet Co Ltd
Current assignee: Ningbo Ketian Magnet Co Ltd
Priority date: 2006-06-20
Filing date: 2006-06-20
Publication date: 2007-07-18
Anticipated expiration: 2016-06-20

Abstract

The utility model relates to a mold for compressing magnetic powder, which comprises a mold body, a mold cavity (11) in the mold body and a pressure head (3) in the mold cavity (11). The utility model is characterized in that the front profile of the pressure head (3) is a convex round arc protruding forward, and the rear profile is a forwards concave circular arc. The surfaces of the convex arc and the concave arc have the same radian. Both of the left and right profiles of the pressure head (3) are planes, thus all profiles of the mold cavity (11) cooperate with the relative profiles of profiles of the pressure head (3). The pressure head (3) is inserted and vertically slide in the mold cavity (11). Compared with prior art, the utility model improves the utility rate of materials greatly by using a radian mold in compressing cambered roughcasts. Compression and material feeding are completed automatically resulting from a cuniform block arranged on the back surface of the pressure head and connected with an upper cylinder and a lower cylinder, which promotes the production efficiency. According to the trace confirmation, the productions produced by the utility model are equal to the square products produced by hand molds in terms of magnetic property. Moreover, the working efficiency is distinctly improved.

Description

Be used to suppress the mould of magnetic material powder

Technical field

The utility model relates to a kind of technical field of mold, especially refers to a kind of mould that is used for the magnetic material powder compacting.

Background technology

At present, the technology that domestic and international watt of shape Nd-Fe-B magnet steel all adopts the cutting of square blank warp to form is manufactured with the magnetic shoe of the anglec of rotation, and the utilization rate of its material is lower, and corresponding cost is also than higher.Existing a kind of patent No. is 01214335.9, the Chinese utility model patent that name is called " a kind of device of special processing tile-shaped magnet steel " discloses a kind of structure, its structure is for to make workseat by magnetic conduction thing metal material, two end-stopping plates are slightly larger than the workseat both ends of the surface, pass the fixed stop plate hole with screw respectively, be fastened in the inner bolt silk hole, workseat two ends.Be characterized in that the workseat upper end is protruding semi-circular shape, both sides are lower than protruding semicircle, and processed tile-shaped magnet steel inner concave is placed on the protruding semi-circular shape in workseat upper end, and the fixed stop plate hole is passed with screw respectively in two ends, is fastened in the inner bolt silk hole, workseat two ends.This design can once be ground some tile-shaped magnet steels of processing on general-purpose grinder, the specification that is not subjected to introduce grinding machine equipment is abroad limited to, and is described simple in structure, and cost is also cheaper.But its shortcoming is as just a kind of machining tool, and the waste of material in the still unavoidable process is not promptly fundamentally eliminated the high defective of product cost, so it is very necessary to develop a kind of mould that can effectively reduce the machining blanks production cost.

Summary of the invention

Technical problem to be solved in the utility model be at the above-mentioned state of the art provide a kind of reasonable in design, simple in structure, effectively reduce production costs and can directly suppress the mould that is used to suppress magnetic material powder of arc blank.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this is used to suppress the mould of magnetic material powder, include die body, in described die body, be provided with die cavity, pressure head is set in die cavity, it is characterized in that the arc convex surface of its leading flank of described pressure head for protruding forward, its trailing flank is recessed forward circular arc concave surface, and the cambered surface of convex surface and concave surface is identical radian, and the left and right sides of pressure head is the plane, the four sides of described die cavity is suitable with the corresponding side of pressure head respectively, and described pressure head can slide up and down to be inserted in the die cavity of die body.

As improvement, described die body can include template and core rod, described template is made up of front template and rear pattern plate, and the two ends of two templates connect by bolt respectively, on front template, be provided with recessed forward circular arc concave surface, the arc convex surface of this circular arc concave surface and pressure head is suitable, and on rear pattern plate, be provided with forward the arc convex surface of protruding, the circular arc concave surface of this arc convex surface and pressure head is suitable, and front template is relative with circular arc concave surface and arc convex surface with rear pattern plate, and to be parallel to each other and to be spaced apart and arranged in together; Described core rod also is two, be inserted in two cavitys between the template with symmetrical and compartment of terrain, the cavity that the circular arc concave, convex face that described die cavity is between two core rods, front and back are template is surrounded, and described pressure head is made up of seaming chuck and push-down head, and described seaming chuck and push-down head are inserted in the die cavity with upper-lower position; Its opposed inside face compartment of terrain of described template has groove, and the two ends of described core rod are respectively equipped with protruding rail, and the protruding rail at every its two ends of core rod is inserted in respectively in the groove of two templates corresponding with it; Described bolt may be selected to be hexagon socket head cap screw, respectively is provided with two bolts at the die body two ends with upper-lower position.

As further improvement, also can have the breach that die body can be fixed on the mould bases on the side, two ends of described template; The extruding back side of described pressure head can convex with the wedge of the upper and lower hydraulic cylinder of a connection device, finishes automatic compacting, automatic material jacking.

Compared with prior art, the utility model is designed to the arc convex surface of its leading flank for protruding forward with pressure head, its trailing flank is recessed forward circular arc concave surface, and the cambered surface of convex surface and concave surface is identical radian, and the left and right sides of pressure head is the plane, the four sides of described die cavity is suitable with the corresponding side of pressure head respectively, and described pressure head can slide up and down to be inserted in the die cavity of die body.This structure is directly suppressed the arc blank because of adopting the radian mould, and the big spoke degree of utilization rate of material is improved.Because of the extruding back side of pressure head is convexly equipped with the wedge that connects the upper and lower hydraulic cylinder of equipment in succession always, finish automatic compacting, automatic material jacking, so production efficiency improves greatly.Through product is carried out tracking verification, the result shows that the product of radian mould production compares with the square product of original portable mold production, and it without any loss, but also has improved operating efficiency effectively on magnetic property.

Description of drawings

Fig. 1 is the structural representation (broken section) of the utility model embodiment;

Fig. 2 is along the cutaway view of A-A line among Fig. 1;

Fig. 3 is the plane (broken section) of cope match-plate pattern among Fig. 1;

Fig. 4 be among Fig. 3 K to plan view;

Fig. 5 is that Fig. 1 is the plane (broken section) of lower bolster;

Fig. 6 is the side view of core rod among Fig. 1;

Fig. 7 is the vertical view of Fig. 6;

Fig. 8 is the side view of pressure head;

Fig. 9 is the vertical view of Fig. 8.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Extremely shown in Figure 9 as Fig. 1, the mould that is used to suppress magnetic material powder of present embodiment, include die body, in described die body, be provided with die cavity 11, see shown in Figure 2, pressure head 3 is set in die cavity 11, and the extruding back side of this pressure head 3 convexes with the wedge 31 that always connects the upper and lower hydraulic cylinder of equipment in succession.Described pressure head 3 its leading flanks are the arc convex surface of protruding forward 32, its trailing flank is recessed forward circular arc concave surface 33, see Fig. 1 and shown in Figure 9, and the cambered surface of convex surface and concave surface is identical radian, and the left and right sides of pressure head 3 is the plane, the four sides of described die cavity 11 is suitable with pressure head 3 corresponding sides respectively, and described pressure head 3 can slide up and down to be inserted in the die cavity 11 of die body.Described die body includes template 1 and core rod 2, and described template 1 is made up of front template 1a and rear pattern plate 1b, and the two ends of two templates 1 connect by bolt 4 respectively, and this bolt 4 is a hexagon socket head cap screw, respectively is provided with two bolts 4 at die body 1 two ends with upper-lower position.On front template 1a, be provided with recessed forward circular arc concave surface 13, this circular arc concave surface 13 is suitable with the arc convex surface 32 of pressure head 3, see Fig. 1, Fig. 3 and shown in Figure 5, and on rear pattern plate 1b, be provided with forward the arc convex surface of protruding 15, this arc convex surface 15 matches with the circular arc concave surface 33 of pressure head 3, and front template 1a is relative with arc convex surface 15 with circular arc concave surface 13 with rear pattern plate 1b, is parallel to each other and is spaced apart and arranged in together; Described core rod 2 also is two, be inserted in two cavitys between the template 1 with symmetrical and compartment of terrain, circular arc concave,

convex face

13,15 cavitys that surrounded that described die cavity 11 is between two core rods 2, front and back are template 1, and described pressure head 3 is made up of seaming chuck 3a and push-down head 3b, and described seaming chuck 3a and push-down head 3b are inserted in the die cavity 11 with upper-lower position.Described template 1 its opposed inside face compartment of terrain has groove 14, see Fig. 3 and shown in Figure 5, and the two ends of described core rod 2 are respectively equipped with protruding rail 21, see Fig. 1, Fig. 6 and shown in Figure 7, and the protruding rail 21 at every core rod 2 its two ends is inserted in respectively in the groove 14 of two templates 1 corresponding with it.On the side, two ends of template 1, have the breach 12 that die body can be fixed on the mould bases, see Fig. 2 and shown in Figure 4.

Claims

1, a kind of mould that is used to suppress magnetic material powder, include die body, in described die body, be provided with die cavity (11), pressure head (3) is set in die cavity (11), it is characterized in that the arc convex surface (32) of its leading flank of described pressure head (3) for protruding forward, its trailing flank is recessed forward circular arc concave surface (33), and the cambered surface of convex surface and concave surface is identical radian, and the left and right sides of pressure head (3) is the plane, the four sides of described die cavity (11) is suitable with the corresponding side of pressure head (3) respectively, and described pressure head (3) can slide up and down to be inserted in the die cavity (11) of die body.

2, the mould that is used to suppress magnetic material powder according to claim 1, it is characterized in that described die body includes template (1) and core rod (2), described template (1) is made up of front template (1a) and rear pattern plate (1b), and the two ends of two templates (1) connect by bolt (4) respectively, on front template (1a), be provided with recessed forward circular arc concave surface (13), this circular arc concave surface (13) is suitable with the arc convex surface (32) of pressure head (3), and on rear pattern plate (1b), be provided with forward the arc convex surface of protruding (15), this arc convex surface (15) is suitable with the circular arc concave surface (33) of pressure head (3), and front template (1a) is relative with arc convex surface (15) with circular arc concave surface (13) with rear pattern plate (1b), and to be parallel to each other and to be spaced apart and arranged in together; Described core rod (2) also is two, be inserted in the cavity between two templates (1) with symmetrical and compartment of terrain, the cavity that the circular arc concave, convex face (13,15) that described die cavity (11) is between two core rods (2), front and back are template (1) is surrounded, and described pressure head (3) is made up of seaming chuck (3a) and push-down head (3b), and described seaming chuck (3a) is inserted in the die cavity (11) with upper-lower position with push-down head (3b).

3, the mould that is used to suppress magnetic material powder according to claim 2, it is characterized in that its opposed inside face compartment of terrain of described template (1) has groove (14), and the two ends of described core rod (2) are respectively equipped with protruding rail (21), and the protruding rail (21) at its two ends of every core rod (2) is inserted in respectively in the groove (14) of two templates corresponding with it (1).

4, the mould that is used to suppress magnetic material powder according to claim 3 is characterized in that described bolt (4) is a hexagon socket head cap screw, respectively is provided with two bolts (4) at template (1) two ends with upper-lower position.

5,, it is characterized in that having the breach (12) that die body can be fixed on the mould bases on the side, two ends of described template (1) according to claim 2 or the 3 or 4 described moulds that are used to suppress magnetic material powder.

6,, it is characterized in that the extruding back side of described pressure head (3) convexes with the wedge (31) that always connects upper and lower hydraulic cylinder in succession according to the described mould that is used to suppress magnetic material powder of arbitrary claim in the claim 1 to 4.