CN114589244A

CN114589244A - Rotor core stamping die

Info

Publication number: CN114589244A
Application number: CN202210202261.6A
Authority: CN
Inventors: 刘奕念; 刘庆辉; 刘�文
Original assignee: Chongqing Meiqing Technology Co ltd
Current assignee: Chongqing Meiqing Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-06-07

Abstract

The invention discloses a rotor core stamping die which comprises a static die, wherein a movable die is arranged on the upper side of the static die, a stamping table A and a stamping table B are respectively arranged on opposite surfaces of the static die and the movable die, a concave die core is arranged on the stamping table A, a convex die core matched with the concave die core is arranged on the stamping table B, a stamping needle is arranged on the convex die core, an installation groove is arranged on the stamping table A, the concave die core is arranged in the installation groove, and the concave die core is connected with the installation groove through a fixing mechanism. This rotor core stamping die through being provided with fixed establishment, is convenient for like this change die-cut lug for it is more convenient to maintain die-cut lug, can not cause the influence to the use of rotor core stamping die, further improved the production efficiency to rotor core, this kind of mode also can not cause the punching press bench condition of leaving over the solder joint simultaneously, further improved the die-cut quality to rotor core.

Description

Rotor core stamping die

Technical Field

The invention relates to the technical field of iron core production equipment, in particular to a rotor iron core stamping die.

Background

The motor is composed of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, the motor iron core rotor is formed by overlapping a plurality of sheets, the sheets are formed by punching a die and are punched to a static die by a movable die, and punching lugs are butted with punching grooves, so that the punching and forming of the rotor iron core sheets are completed.

However, most of the existing stamping dies are of an integral structure with a plurality of punching lugs arranged on a stamping platform, so that when a certain punching lug fails, the structure is inconvenient to maintain, the maintenance is mainly carried out in a welding mode, welding spots can be left at welding positions during welding, and the product quality is influenced.

Disclosure of Invention

The invention aims to solve at least one technical problem in the prior art, and provides a rotor core manufacturing die which can solve the problem that when a certain punching lug is in a problem, the die is inconvenient to maintain.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a rotor core stamping die, includes quiet mould, and the upside of quiet mould is provided with the movable mould, is provided with punching press platform A and punching press platform B on the opposite face of quiet mould and movable mould respectively be provided with concave mould core on the punching press platform A be provided with on the punching press platform B with concave mould core complex convex mould core be provided with towards the needle on the convex mould core be provided with the mounting groove on the punching press platform A, concave mould core sets up in the mounting groove, just concave mould core passes through fixed establishment and is connected with the mounting groove.

The fixing mechanism comprises mounting holes formed in the surfaces of the two sides of the concave mold core, a supporting spring and a fixing head are arranged in the mounting holes, one end of the supporting spring abuts against the inside of the mounting hole, the other end of the supporting spring abuts against one end of the fixing head, and the other end of the fixing head penetrates into the fixing hole formed in the inner wall of the mounting groove.

In order to facilitate the disassembly of the female mold core, an ejection mechanism for disassembling the female mold core 5 is arranged in the static mold 1.

The ejection mechanism comprises an installation cavity which is arranged in the static die and positioned below the concave die core, a rotating shaft is vertically arranged in the installation cavity, a threaded sleeve is arranged at the upper part of the rotating shaft, two ends of the threaded sleeve are respectively provided with a connecting rod A, the other end of the connecting rod A is movably and vertically provided with a connecting rod B, and the upper end of the connecting rod B is horizontally provided with a push rod; the push rod is positioned in the fixing hole, and one end of the push rod corresponds to one end of the fixing head.

For the convenience of rotation, a rotating disc is arranged at the lower end of the rotating shaft.

For further fixation, the front end face and the rear end face of the outer wall of the female mold core are respectively provided with a fixed triangular block, and the inner wall of the mounting groove is provided with a butt joint mortise matched with the fixed triangular blocks.

Compared with the prior art, the invention has the beneficial effects that:

(1) this rotor core makes mould through being provided with fixed establishment, is convenient for change concave mould core like this for it is more convenient to maintain concave mould core, can not make the mould use to rotor core and cause the influence, further improved the production efficiency to rotor core, this kind of mode also can not cause the condition of leaving over the solder joint on the quiet mould simultaneously, further improved the die-cut quality of rotor core.

(2) This rotor core makes mould through when fixed head docks with the fixed orifices, and fixed three hornblocks dock with the butt joint tongue-and-groove in step, have further increased the fastness between fixed head and the fixed orifices like this, have avoided appearing not hard up condition between, have further improved the result of use of female mold core, precision when also having increased the butt joint simultaneously, stability when further having improved fixed establishment and using has reduced staff's the operation degree of difficulty.

Drawings

The invention is further illustrated with reference to the following figures and examples:

fig. 1 is a schematic structural view of a rotor core manufacturing mold according to the present invention;

FIG. 2 is a schematic view of the present invention with the stationary mold and the movable mold removed;

FIG. 3 is a schematic view of the female mold core of the present invention removed;

FIG. 4 is a schematic view of the male die structure of the present invention;

FIG. 5 is a partial top plan view of the stationary die of the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

Referring to fig. 1-5, the present invention provides a rotor core stamping die, including a stationary die 1, a movable die 2 is disposed on an upper side of the stationary die 1, a stamping table A3 and a stamping table B4 are respectively disposed on opposing surfaces of the stationary die 1 and the movable die 2, a concave die core 5 is disposed on the stamping table A3, a convex die core 6 matched with the concave die core 5 is disposed on the stamping table B4, a stamping pin 7 is disposed on the convex die core 6, an installation groove 8 is disposed on the stamping table A3, the concave die core 6 is disposed in the installation groove 8, and the concave die core 6 is connected to the installation groove 8 through a fixing mechanism. The thin sheet is placed on the static die 1, the movable die 2 moves downwards under the driving of the hydraulic press, and the punching molding of the thin sheet of the rotor core is completed through the matching of the concave die core 5 and the convex die core 6.

The fixing mechanism comprises mounting holes 9 formed in the surfaces of the two sides of the female mold core 6, supporting springs 10 and fixing heads 11 are arranged in the mounting holes 9, one ends of the supporting springs 10 are propped in the mounting holes 9, the other ends of the supporting springs are propped at one end of each fixing head 11, and the other ends of the fixing heads 11 penetrate into fixing holes 12 formed in the inner wall of the mounting groove 8.

In order to take out the female mold core conveniently, an ejection mechanism used for detaching the female mold core 5 is arranged in the static mold 1.

The ejection mechanism comprises a mounting cavity 13 which is arranged in the stationary die 1 and is positioned below the female die core 5, a rotating shaft 14 is vertically arranged in the mounting cavity 13, a threaded sleeve 15 is arranged at the upper part of the rotating shaft 14, connecting rods A16 are respectively arranged at two ends of the threaded sleeve 15, a connecting rod B17 is movably and vertically arranged at the other end of the connecting rod A16, and a push rod 18 is horizontally arranged at the upper end of the connecting rod B17; the push rod 18 is located in the fixing hole 12, and one end of the push rod 18 corresponds to one end of the fixing head 11.

To facilitate the rotation of the rotary shaft 14, a rotary disk 19 is provided at the lower end of the rotary shaft 14.

For further fixation, the female mold core 5 is provided with fixed triangular blocks 20 at the front end surface and the rear end surface of the outer wall, and the inner wall of the mounting groove 8 is provided with a butt mortise 21 matched with the fixed triangular blocks 20.

When the female mold core 5 needs to be replaced, the rotating disc 19 is rotated, so that the rotating shaft 14 is synchronously rotated, and the threaded sleeve 15 is displaced on the rotating shaft 14 under the transmission of the thread teeth; the thread bush 15 pulls the connecting rod a16, so that the connecting rod B17 is driven to move downwards, the push rod 18 pushes the fixing head 11 outwards, the fixing head 11 is pushed out of the fixing hole 12, and the female die core 5 can be removed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a rotor core stamping die, includes quiet mould (1), and the upside of quiet mould (1) is provided with movable mould (2), is provided with punching press platform A (3) and punching press platform B (4) on the opposite face of quiet mould (1) and movable mould (2) respectively be provided with concave mould core (5) on punching press platform A (3) be provided with on punching press platform B (4) with concave mould core (5) complex convex mould core (6) be provided with on convex mould core (6) towards needle (7), characterized by: the stamping die is characterized in that a mounting groove (8) is formed in the stamping platform A (3), the concave die core (6) is arranged in the mounting groove (8), and the concave die core (6) is connected with the mounting groove (8) through a fixing mechanism.

2. The rotor core stamping die of claim 1, wherein: the fixing mechanism comprises mounting holes (9) formed in the surfaces of the two sides of the female mold core (6), supporting springs (10) and fixing heads (11) are arranged in the mounting holes (9), one ends of the supporting springs (10) are propped in the mounting holes (9), the other ends of the supporting springs are propped at one end of each fixing head (11), and the other ends of the fixing heads (11) penetrate into fixing holes (12) formed in the inner wall of the mounting groove (8).

3. The rotor core stamping die of claim 2, wherein: an ejection mechanism used for detaching the female mold core (5) is arranged in the static mold (1).

4. A rotor core stamping die as claimed in claim 3, wherein: the ejection mechanism comprises an installation cavity (13) which is arranged in the static die (1) and is positioned below the female die core (5), a rotating shaft (14) is vertically arranged in the installation cavity (13), a threaded sleeve (15) is arranged at the upper part of the rotating shaft (14), connecting rods A (16) are respectively arranged at two ends of the threaded sleeve (15), a connecting rod B (17) is movably and vertically arranged at the other end of the connecting rod A (16), and a push rod (18) is horizontally arranged at the upper end of the connecting rod B (17); the push rod (18) is positioned in the fixing hole (12), and one end of the push rod (18) corresponds to one end of the fixing head (11).

5. The rotor core stamping die as claimed in claim 4, wherein: a rotary disk 19 is provided at the lower end of the rotary shaft 14.

6. The rotor core stamping die of claim 5, wherein: the die is characterized in that fixed triangular blocks (20) are arranged on the concave die core (5) and located on the front end face and the rear end face of the outer wall, and butt joint mortises (21) matched with the fixed triangular blocks (20) are formed in the inner wall of the mounting groove (8).