CN212733801U

CN212733801U - Pen type iron core die with adjustable roundness

Info

Publication number: CN212733801U
Application number: CN201921469676.XU
Authority: CN
Inventors: 石峻; 王文强
Original assignee: Nanjing Hanfu Machinery Co ltd
Current assignee: Nanjing Hanfu Machinery Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2021-03-19
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses an adjustable circularity pen type iron core mould, including the device main part, its characterized in that, the one end of device main part is equipped with portable mold core, the one end of portable mold core is equipped with the removal sign, one side of portable mold core is equipped with the high accuracy guide rail, the both ends of high accuracy guide rail all are equipped with the cam, the one end of cam is equipped with servo motor, and high-speed riveting technology is solved the manual piece welded solution of picking up of traditional scattered piece in terms of the mould, realizes that a mould is many, provides the structural scheme of the mould that is close to perfect for pen type iron core, has reduced the die sinking quantity of mould (one mould one goes out the mould that will use the size of the product picture that this paper provided and just needs eleven terrace dies and die) carbide's quantity, saves the use of tungsten steel material.

Description

Pen type iron core die with adjustable roundness

Technical Field

The utility model relates to an automatic change mould and make technical field, especially relate to an adjustable circularity pen type iron core mould.

Background

The blanking dies with different sizes are marked by a high-speed progressive die in sequence, then the blanking dies are taken by workers in sequence according to the sizes and then placed in a welding fixture for welding, and twenty or more workers are often required to pick up the blanking dies on a production line, then the blanking dies are assembled and then welded together. The problems are solved by providing a pen-type iron core mold with adjustable roundness, which has the advantages of high labor and labor cost, troublesome labor, easiness in reducing the number of sheets and multiple sheets and defects of products in roundness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a roundness-adjustable pen-type iron core mold.

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

the utility model provides an adjustable circularity pen type iron core mould, includes the device main part, its characterized in that, the one end of device main part is equipped with portable mold core, the one end of portable mold core is equipped with removes the sign, one side of portable mold core is equipped with the high accuracy guide rail, the both ends of high accuracy guide rail all are equipped with the cam, the one end of cam is equipped with servo motor.

Preferably, the servo motor drives the cam push-pull template to displace in a direction perpendicular to the feeding direction on the high-precision guide rail so as to realize displacement of the mold cavity, the material belt is cut into product sizes with different widths, and finally, the blanking is carried out, and the finished product of the pen type iron core is directly punched through the riveting process.

Preferably, the template realizes longitudinal displacement in the die, and the accurate displacement size and the type position precision are ensured through the cam clearance elimination mechanism and the high-precision guide rail.

Preferably, the servo motor is used for driving the cam to rotate by using the stamping signal of the high-speed punch, the cam can be stopped or jumped to rotate, the problem that the product cannot reach tolerance on the roundness due to different thicknesses of materials can be solved, and the stamping process is more flexible and controllable.

Preferably, the adjustability of the punched part is realized by utilizing the cloth jumping principle of the servo motor and combining a servo signal given by the punch press, and the adjusting method is simple and reliable.

Preferably, the riveting convex points and the riveting holes are punched on each piece of product by using a die, the products are automatically riveted together in the punching process, the process requires that the appearance size of the riveted product on each sheet is consistent, the appearance of the silicon steel sheet is punched and dropped in the last step of punching and blanking, the convex points on the punched silicon steel sheet are enabled to be riveted into the punched silicon steel sheet riveting holes by the tightening force of the tightening ring at the lower part of the female die, the stacking of the silicon steel sheets is realized, the required product height is punched, and the stacked parts are formed, the pen-type iron cores are different in size on each sheet, 11 sizes (more or less according to the size of a circle) with different sizes are cut in a pair of dies, the available sides with the same size are few, the control of the tightening force of the overlapped riveting needs to be accurate, and the product can not be deformed and needs to have certain riveting force so as to be firm and reliable.

Compared with the prior art, the beneficial effects of the utility model are that:

the thickness of the silicon steel has errors in the rolling process, and the pen-shaped iron core is formed by overlapping nearly twenty-three sheets of silicon steel. If the tolerance of each sheet has an error of 0.01 mm, thirty sheets approach to the thickness of one sheet of material, in the process of stamping, sheets are often added or reduced according to the thickness of the material to meet the requirement of roundness, and a servo motor (taking a product with a stack thickness of 30 sheets as an example) is adopted, so that the motor can stop rotating for one stamping time (stamping a product with one thickness more) to produce a product with the stack height of 31 sheets in one stamping period according to the actual requirement, or the motor continuously rotates for two jumps in one stamping time to produce a product with 29 sheets. The product can be freely stacked in the height direction under the condition of unchanged width, so that the roundness of the product can be adjusted. The high-speed riveting technology is a solution for solving the traditional manual picking and welding of scattered sheets, one mold is more than one mold through the displacement of the mold core of the mold, a nearly perfect mold structural scheme is provided for a pen-shaped iron core, the mold opening number of the mold is reduced (eleven male molds and eleven female molds are needed for one mold to be opened according to the size of a product drawing provided by the text), and the use amount of tungsten steel materials is saved. The adjustability of the punched parts is realized by utilizing the cloth jumping principle of the servo motor and combining a servo signal given by the punch press, and the adjusting method is simple and reliable.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of pen-type iron core mould with adjustable circularity.

Detailed Description

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

Referring to fig. 1, a roundness-adjustable pen-type iron core mold comprises a device body, wherein one end of the device body is provided with a movable mold core 2, one end of the movable mold core 2 is provided with a movable mark 1, one side of the movable mold core 2 is provided with a high-precision guide rail 3, two ends of the high-precision guide rail 3 are respectively provided with a cam 5, one end of each cam 5 is provided with a servo motor 4, the servo motors 4 drive the cams 5 to push and pull a template to displace on the high-precision guide rail 3 in a direction perpendicular to a feeding direction to realize displacement of a mold cavity, product sizes with different widths are cut on a material belt, finally, blanking is carried out, a pen-type iron core finished product is directly stamped through the stack riveting process, the template realizes longitudinal displacement in the mold, accurate displacement size and type position precision are guaranteed through a gap eliminating mechanism of the cams 5 and the high-precision guide rail, and the servo motors, the cam 5 can be rotated in a stopping or jumping way, the problem that the product cannot reach tolerance in the roundness due to different material thicknesses can be solved, the punching process is more flexible and controllable, the cloth jumping principle of the servo motor 4 is utilized, the adjustability of the punched part is realized by combining a servo signal given by a punch, the adjusting method is simple and reliable, riveting convex points and riveting holes are punched on each product by utilizing a die, the products are automatically riveted together in the punching process, the process requires that the appearance size of the riveted product on each sheet is consistent, the appearance of the silicon steel sheet is punched at the last step of punching and blanking, the required product height is punched out to form the overlapped part by using the tightening force to the side surface of the product through a tightening ring at the lower part of a female die, the sizes of pen-type iron cores on each sheet are different, the 11 sizes to be cut in a pair of dies are more or less according to the different sizes of circles, the available same size is less, the control of the tightening force of the overlapped rivet is accurate, and the product can not be deformed and has certain riveting force to ensure that the product is firm and reliable. The high-speed riveting technology is a solution for solving the traditional manual picking and welding of scattered sheets in terms of a die.

The mold core displacement of the mold realizes one-mold excess, provides a scheme of nearly perfect mold structure for the pen-shaped iron core, reduces the mold opening amount of the mold (eleven male molds and female molds are needed for one-mold excess of the mold with the size of the product drawing provided by the text), and saves the use of tungsten steel materials.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an adjustable circularity pen type iron core mould, includes the device main part, its characterized in that, the one end of device main part is equipped with portable mold core (2), the one end of portable mold core (2) is equipped with removes mark (1), one side of portable mold core (2) is equipped with high accuracy guide rail (3), the both ends of high accuracy guide rail (3) all are equipped with cam (5), the one end of cam (5) is equipped with servo motor (4).

2. The roundness-adjustable pen-shaped iron core mold according to claim 1, wherein the servo motor (4) drives the cam (5) to push and pull the mold plate to displace on the high-precision guide rail (3) in a direction perpendicular to the feeding direction so as to realize displacement of the mold cavity, and product sizes with different widths are cut on the material belt.

3. The roundness adjustable pen core mold according to claim 1, wherein the mold plate achieves longitudinal displacement in the mold, and the displacement dimension and the form and position precision are ensured by the cam (5) backlash mechanism and the high-precision guide rail.

4. The roundness adjustable pen core mold according to claim 1, wherein the servo motor (4) drives the cam (5) to rotate by the punching signal of the high speed punch.