Powder pressing die in magnetic material industry

Abstract

The utility model relates to the technical field of dies, in particular to a powder pressing die in the magnetic material industry, which comprises an upper punch, an upper punch mounting plate is mounted at the bottom end of the upper punch, a connecting column is mounted at the bottom end of the upper punch mounting plate, a female die is mounted at the bottom end of the connecting column, and non-magnetic alloy is mounted in the middle of the female die. A hollow hole is formed in the middle of the non-magnetic alloy, the connecting column is matched with the hollow hole in the non-magnetic alloy, and a lower punch is installed at the bottom end of the non-magnetic alloy. The pressing die of the device adopts an assembly structure, the middle part is limited by a non-magnetic alloy belt T-shaped hanging table, displacement of the die in the pressing process is effectively prevented, the assembly structure of the device is convenient to disassemble, assemble and maintain, the maintenance cost is reduced, the production efficiency is improved, a large side plate of the pressing die adopts a magnetic conductive plate, and a small side plate adopts non-magnetic 70Mn, so that the production efficiency is improved. The magnetic performance of the die is guaranteed, and the abrasion resistance and the corrosion resistance are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely related to a magnetic material industry powder pressing mould. BACKGROUND

[0002] At present, the powder pressing mould commonly used in the magnetic material industry is mostly of integral structure, mainly composed of a cavity block, an upper punch and a lower punch. The cavity block is usually integrally cast or processed, with a complex internal structure, inconvenient to disassemble and assemble, and high maintenance cost.

[0003] The existing pressing mould has the following problems: 1. The integral cavity block is prone to local wear or damage during use, resulting in the entire mould being scrapped, with high repair cost; 2. The internal structure of the cavity block is complex, inconvenient to disassemble and assemble, and affects production efficiency; 3. The material selection is single, which cannot meet the needs under different working conditions, and a magnetic material industry powder pressing mould is needed to solve this problem. SUMMARY

[0004] The utility model aims at providing a magnetic material industry powder pressing mould to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a magnetic material industry powder pressing mould, comprising an upper punch, wherein the bottom end of the upper punch is provided with an upper punch mounting plate, the bottom end of the upper punch mounting plate is provided with a connecting column, the bottom end of the connecting column is provided with a cavity block, the cavity block is provided with a non-magnetic alloy in the middle, a hollow hole is formed in the middle of the non-magnetic alloy, the connecting column is matched with the hollow hole on the non-magnetic alloy, and the bottom end of the non-magnetic alloy is provided with a lower punch.

[0006] As a preferred technical scheme of the utility model, the front end and the rear end of the non-magnetic alloy are respectively provided with a front end magnetic guide plate and a rear end magnetic guide plate, and the left side and the right side of the non-magnetic alloy are respectively provided with a left side plate and a right side plate.

[0007] As a preferred technical scheme of the utility model, the left side plate and the right side plate are attached to the two sides of the non-magnetic alloy, and the front end magnetic guide plate and the rear end magnetic guide plate are attached to the second positioning holes on the left side plate and the right side plate.

[0008] As a preferred technical scheme of the utility model, the front end magnetic guide plate and the rear end magnetic guide plate coincide with the second positioning holes on the left side plate and the right side plate, and are connected through the second positioning pin and the screw thread.

[0009] As a preferred technical scheme of the utility model, a plurality of first positioning holes are formed in the upper punch mounting plate, and the upper punch mounting plate and the connecting column are connected through the first positioning pin penetrating the first positioning hole.

[0010] The lower punch is provided with a support column, and U-shaped grooves are formed at the bottom end of the support column.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] (1) The utility model relates to a magnetic material industry powder pressing die, and the pressing die of the device is provided with a splicing structure, the middle part is limited by a T-shaped hanging table of non-magnetic alloy, displacement of the die in the pressing process is effectively prevented, the splicing structure of the device is convenient to disassemble and maintain, maintenance cost is reduced, and production efficiency is improved.

[0013] (2) The utility model relates to a magnetic material industry powder pressing die, and the pressing die of the device is provided with a splicing structure, the middle part is limited by a T-shaped hanging table of non-magnetic alloy, displacement of the die in the pressing process is effectively prevented, the splicing structure of the device is convenient to disassemble and maintain, maintenance cost is reduced, and production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without paying creative labor for the ordinary skilled in the art.

[0015] Fig. 1 It is a structure schematic view of a magnetic material industry powder pressing die according to the utility model embodiment;

[0016] Fig. 2 It is an explosion separation view of a magnetic material industry powder pressing die according to the utility model embodiment;

[0017] Fig. 3 It is a structure schematic view of an upper punch of a magnetic material industry powder pressing die according to the utility model embodiment.

[0018] Reference signs:

[0019] 1, upper punch; 101, upper punch mounting plate; 102, connecting column; 103, first positioning pin; 104, first positioning hole; 2, female die; 201, front end magnetic guide plate; 202, left side plate; 203, non-magnetic alloy; 204, right side plate; 205, rear end magnetic guide plate; 206, second positioning pin; 207, screw rod; 208, hollow hole; 209, second positioning hole; 3, lower punch; 301, support column. DETAILED DESCRIPTION

[0020] In the following, the utility model is further described in combination with the drawings and the specific embodiments:

[0021] Embodiment 1

[0022] Reference Figs. 1 to 3 It is illustrated that the embodiment 1 comprises an upper punch 1, the bottom end of the upper punch 1 is installed with an upper punch 1 mounting plate, the bottom end of the upper punch 1 mounting plate is installed with a connecting column 102, the bottom end of the connecting column 102 is installed with a female die 2, the female die 2 is installed with a non-magnetic alloy 203 in the middle, a hollow hole 208 is formed in the middle of the non-magnetic alloy 203, the connecting column 102 is matched with the hollow hole 208 on the non-magnetic alloy 203, the bottom end of the non-magnetic alloy 203 is installed with a lower punch 3, a plurality of first positioning holes 104 are formed on the upper punch 1 mounting plate, the first positioning holes 104 are connected through the first positioning pin 103 between the upper punch 1 mounting plate and the connecting column 102, the lower punch 3 is installed with a support column 301, U-shaped grooves are formed on the bottom end of the support column 301 on both sides;

[0023] In the embodiment, the upper punch 1 mounting plate on the upper punch 1 is limited by the first positioning pin 103 through the first positioning hole 104, and the bottom end of the connecting column 102 is matched with the hollow hole 208 on the bottom end of the non-magnetic alloy 203, which is convenient for disassembling and assembling the upper punch 1.

[0024] Embodiment 2

[0025] Reference Fig. 2 It is illustrated that the embodiment 2, the embodiment 1 is further illustrated, the front end and the rear end of the non-magnetic alloy 203 are respectively installed with a front end magnetic guide plate 201 and a rear end magnetic guide plate 205, the left side and the right side of the non-magnetic alloy 203 are respectively installed with a left side plate 202 and a right side plate 204, the left side plate 202 and the right side plate 204 are attached to the two sides of the non-magnetic alloy 203 and the front end magnetic guide plate 201 and the rear end magnetic guide plate 205 are attached to the second positioning hole 209 on the left side plate 202 and the right side plate 204, the front end magnetic guide plate 201 and the rear end magnetic guide plate 205 are coincided with the second positioning hole 209 on the left side plate 202 and the right side plate 204 and are connected through the second positioning pin 206 and the threaded rod 207;

[0026] In the embodiment, the non-magnetic alloy 203 is surrounded by two magnetic guide plates and two side plates to form a female die 2, which not only ensures the magnetic performance of the mold, but also improves the wear resistance and corrosion resistance.

[0027] In specific application, the pressing die of the device is assembled, the middle part is limited by T-shaped hanging table of non-magnetic alloy 203, effectively preventing displacement of the die during pressing, the pressing die is composed of three components of upper punch 1, female die 2 and lower punch 3, the upper punch 1 mounting plate on the upper punch 1 is limited by the first positioning hole 104 through the first positioning pin 103 penetrating the first positioning hole 104, the bottom end of the connecting column 102 is matched with the hollow hole 208 on the bottom end non-magnetic alloy 203, the non-magnetic alloy 203 around is composed of a female die 2 through two magnetic conductive plates and two side plates, which not only ensures the magnetic performance of the die, but also improves the wear resistance and corrosion resistance, the assembled structure of the whole pressing die is convenient to disassemble and maintain, reduces the maintenance cost, improves the production efficiency, and is suitable for popularization and use.

[0028] In the description of the utility model, it is necessary to explain that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end" and the like indicate the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second" and "third" are only for descriptive purposes, and cannot be understood as indicative or suggestive of relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0029] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A powder compacting die for the magnetic material industry, characterized by, Including upper punch (1), the upper punch (1) installation plate is installed at the bottom end of the upper punch (1), the connecting column (102) is installed at the bottom end of the upper punch (1) installation plate, the female die (2) is installed at the bottom end of the connecting column (102), the non-magnetic alloy (203) is installed in the female die (2), the hollow hole (208) is formed in the non-magnetic alloy (203), the connecting column (102) is matched with the hollow hole (208) on the non-magnetic alloy (203), and the lower punch (3) is installed at the bottom end of the non-magnetic alloy (203).

2. A powder compacting die for the magnetic material industry according to claim 1, characterized in that, The front end magnetic guide plate (201) and the rear end magnetic guide plate (205) are installed at the front end and the rear end of the non-magnetic alloy (203) respectively, and the left side plate (202) and the right side plate (204) are installed at the left side and the right side of the non-magnetic alloy (203) respectively.

3. A powder compacting die for the magnetic material industry according to claim 2, characterized in that, The left side plate (202) and the right side plate (204) are attached to the two sides of the non-magnetic alloy (203) and the front end magnetic guide plate (201) and the rear end magnetic guide plate (205) are attached to the second positioning hole (209) on the left side plate (202) and the right side plate (204).

4. A powder compacting die for the magnetic material industry according to claim 3, characterized in that, The front end magnetic guide plate (201) and the rear end magnetic guide plate (205) coincide with the second positioning hole (209) on the left side plate (202) and the right side plate (204) and are connected through the second positioning pin (206) and the screw rod (207).

5. A powder compacting die for the magnetic material industry according to claim 1, wherein A plurality of first positioning holes (104) are formed in the upper punch (1) installation plate, and the first positioning pin (103) is connected through the first positioning hole (104) between the upper punch (1) installation plate and the connecting column (102).

6. A powder compacting die for the magnetic material industry according to claim 1, characterized in that, The support column (301) is installed on the lower punch (3), and U-shaped grooves are formed at the bottom end of the support column (301).

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