CN217252144U

CN217252144U - High-speed punching part for transformer core

Info

Publication number: CN217252144U
Application number: CN202220287758.8U
Authority: CN
Inventors: 昝冬勤
Original assignee: Qingdao Dongqin Electromechanical Co ltd
Current assignee: Qingdao Dongqin Electromechanical Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-08-23
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses a high-speed towards level part of transformer core, including last mould and lower mould, the hole site that corresponds the process with silicon steel sheet processing is seted up to the upper surface of lower mould, and the lower surface of going up the mould is equipped with the arch that corresponds with the hole site, and the lower surface of lower mould is equipped with feed arrangement, feed arrangement includes the pivot, and the lower surface at the lower mould is installed in the pivot rotation, and the fixed surface of pivot installs the gear, and the surface cover of pivot is equipped with the clockwork spring, the inner circle and the pivot fixed connection of clockwork spring, the outer lane and the lower mould fixed connection of clockwork spring, and first spout and second spout have been seted up respectively to the lower surface of lower mould, and slidable mounting has first draw runner in the first spout, and slidable mounting has the second draw runner in the second spout. This transformer core high speed is towards level part through setting up the clamping bar, when the width of strip takes place just to change, interval that can automatically regulated centre gripping to can prevent that strip card from in the mould, thereby can guarantee the normal operating of production, and then promoted machining efficiency greatly.

Description

High-speed punching part for transformer core

Technical Field

The utility model relates to a technical field is made in the punching press, specifically is a high-speed towards level part of transformer core.

Background

The iron core of the transformer is mostly formed by stacking silicon steel sheets of one block, when the silicon steel sheets are manufactured, a stamping manufacturing process mode is mostly adopted, when the silicon steel sheets are stamped, multi-step stamping is mostly needed, and in order to accelerate the production speed of the silicon steel sheets, the progressive die is used for assisting in manufacturing.

Progressive die, also known as: a multi-station progressive die, a progressive die and a skip die are provided, wherein a plurality of stations with equal distance are arranged in a die, and each station is provided with one or more basic stamping processes to finish the processing of a certain part of a stamped workpiece. The material to be processed is processed into a strip material with a certain width in advance, and the strip material is fed by a certain feeding method one step at a time. After punching one by one, a complete punched workpiece is obtained, so the processing mode is called punching stage.

At present, the conventional progressive die is sensitive to the width requirement of the processed strips, the width of the processed strips is required to be equal, otherwise, the strips are easy to block due to the overlarge width of the strips during feeding, and the production of silicon steel sheets is seriously influenced. Therefore, the utility model provides a high-speed towards grade part of transformer core.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer core is high-speed towards level part to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-speed punching part of a transformer iron core comprises an upper die and a lower die, wherein the upper surface of the lower die is provided with a hole site corresponding to a silicon steel sheet processing procedure, the lower surface of the upper die is provided with a bulge corresponding to the hole site, the lower surface of the lower die is provided with a feeding device, the feeding device comprises a rotating shaft, the rotating shaft is rotatably arranged on the lower surface of the lower die, a gear is fixedly arranged on the surface of the rotating shaft, the surface of the rotating shaft is sleeved with a clockwork spring, the inner ring of the clockwork spring is fixedly connected with the rotating shaft, the outer ring of the clockwork spring is fixedly connected with the lower die, the lower surface of the lower die is respectively provided with a first sliding chute and a second sliding chute, a first sliding bar is slidably arranged in the first sliding chute, a second sliding bar is slidably arranged in the second sliding chute, the lower surface of the first sliding bar is fixedly provided with a first rack, the lower surface of the second sliding bar is fixedly provided with a second rack, the first rack and the second rack are simultaneously meshed with the gear, and the upper surfaces of the first sliding bar and the second sliding bar are both fixedly provided with a limiting mechanism, the strip is limited by the limiting mechanism.

Preferably, the limiting mechanism comprises two connecting rods which are symmetrically distributed.

Preferably, the two connecting rods are fixedly mounted on the surfaces of the first slide bar and the second slide bar respectively.

Preferably, the surface of the connecting rod is respectively and fixedly provided with a plurality of clamping rods, and the surface of each clamping rod is sleeved with a plurality of rollers.

Preferably, the top end of the clamping rod is fixedly provided with a limiting ring, and the rolling sleeve is limited through the limiting ring.

Preferably, the side fixed mounting of first draw runner has the limiting plate, and the lower fixed surface of lower mould installs the baffle, realizes spacing to first draw runner through the cooperation of limiting plate and baffle.

Advantageous effects

The utility model provides a high-speed towards grade part of transformer core possesses following beneficial effect:

1. this transformer core high speed punching level part, through setting up the clamping bar, when the strip width that carries out processing changes, the clamping bar can be backed up to the strip, the clamping bar can slide through first draw bar and the first rack of second draw bar pulling and second rack after being backed up simultaneously, first rack slides and can drive the gear revolve with the second rack, the gear revolve just can drive the pivot and rotate, thereby let give clockwork spring upper strength, then clockwork spring itself can have a reverse effort to the pivot, just can drive the clamping bar and press from both sides the strip tight this moment, so when the width of strip takes place just to change, alright the interval in automatically regulated centre gripping, thereby can prevent the strip card in the mould, thereby can guarantee the normal operating of production, and then promoted machining efficiency greatly.

2. This transformer core high-speed towards level part, through setting up first rack and second rack, when the strip width that carries out processing is different, because first rack and second rack are simultaneously with gear engagement, consequently first rack and second rack alright with keeping synchronous motion, so alright carry out automatic centering with the strip, make the center of strip and the center of mould be certain all the time, further guarantee the steady operation of iron core production, thereby effectively guarantee the productivity of mill.

Drawings

Fig. 1 is a schematic view of a first perspective of the three-dimensional structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

fig. 3 is a schematic view of a second perspective of the three-dimensional structure of the present invention.

In the figure: 1 go up mould, 2 lower moulds, 3 hole sites, 4 archs, 5 pivot, 6 gears, 7 clockwork springs, 8 first spouts, 9 second spouts, 10 first draw runner, 11 second draw runners, 12 first racks, 13 second racks, 14 connecting rods, 15 clamping bars, 16 roller sets, 17 spacing rings, 18 limiting plates, 19 baffles.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high-speed towards level part of transformer core, includes mould 1 and lower mould 2, and the hole site 3 that corresponds the process with silicon steel sheet processing is seted up to the upper surface of lower mould 2, and the lower surface of going up mould 1 is equipped with arch 4 that corresponds with hole site 3, and the lower surface of lower mould 2 is equipped with feed arrangement, feed arrangement includes pivot 5, and 5 rotations of pivot are installed at the lower surface of lower mould 2, and the fixed surface of pivot 5 installs gear 6, and the surface cover of pivot 5 is equipped with clockwork spring 7, the inner circle and the 5 fixed connection of pivot of clockwork spring 7, the outer lane and the 2 fixed connection of lower mould of clockwork spring 7.

First spout 8 and second spout 9 have been seted up respectively to the lower surface of lower mould 2, slidable mounting has first draw runner 10 in first spout 8, slidable mounting has second draw runner 11 in second spout 9, the lower fixed surface of first draw runner 10 installs first rack 12, the lower fixed surface of second draw runner 11 installs second rack 13, first rack 12 meshes with gear 6 simultaneously with second rack 13, the equal fixed mounting of the upper surface of first draw runner 10 and second draw runner 11 has stop gear, it is spacing to carry out the strip material through stop gear.

Stop gear includes connecting rod 14, and connecting rod 14 is total two, and is the symmetric distribution, and two connecting rod 14 respectively fixed mounting have a plurality of clamping bars 15 on the surface of first draw runner 10 and second draw runner 11, connecting rod 14's surface respectively fixed mounting, and the surface cover of clamping bar 15 is equipped with a plurality of rollers 16, and rollers 16 can let the strip material more smoothly pass through the mould.

The top fixed mounting of clamping bar 15 has spacing ring 17, and it is spacing to roll cover 16 through spacing ring 17, prevents that roll cover 16 from droing, and the side fixed mounting of first draw runner 10 has limiting plate 18, and the lower fixed surface of lower mould 2 installs baffle 19, realizes spacing to first draw runner 10 through limiting plate 18 and baffle 19's cooperation, prevents to lead to droing because first draw runner 10 and second draw runner 11 slide apart the distance too big.

The working principle is as follows: when using this towards level part, when the strip width that carries out processing changes, clamping bar 15 can be backed up to the strip, clamping bar 15 can be slided through first draw runner 10 and second draw runner 11 pulling first rack 12 and second rack 13 after being backed up simultaneously, first rack 12 and second rack 13 slide and can drive gear 6 rotatory, gear 6 is rotatory just can drive pivot 5 and rotate, thereby give up to clockwork spring 7 and put forward strength, then clockwork spring 7 itself can have a reverse effort to pivot 5, just can drive clamping bar 15 and press from both sides the strip tight this moment, so when the width of strip takes place just to change, the interval in the automatically regulated centre gripping, thereby can prevent the strip card in the mould, thereby can guarantee the normal operating of production, and then promoted machining efficiency greatly.

And because first rack 12 and second rack are 13 and gear 6 joggles simultaneously, consequently first rack 12 and second rack 13 alright keep synchronous motion, so alright carry out automatic centering with the strip for the center of strip is always certain with the center of mould, further guarantees the steady operation of iron core production, thereby effectively guarantees the productivity of mill.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transformer core is high-speed towards grade part, includes mould (1) and lower mould (2), its characterized in that: the upper surface of the lower die (2) is provided with a hole site (3) corresponding to a silicon steel sheet processing procedure, the lower surface of the upper die (1) is provided with a bulge (4) corresponding to the hole site (3), the lower surface of the lower die (2) is provided with a feeding device, the feeding device comprises a rotating shaft (5), the rotating shaft (5) is rotatably arranged on the lower surface of the lower die (2), a gear (6) is fixedly arranged on the surface of the rotating shaft (5), a clockwork spring (7) is sleeved on the surface of the rotating shaft (5), an inner ring of the clockwork spring (7) is fixedly connected with the rotating shaft (5), an outer ring of the clockwork spring (7) is fixedly connected with the lower die (2), the lower surface of the lower die (2) is respectively provided with a first chute (8) and a second chute (9), a first sliding strip (10) is slidably arranged in the first chute (8), a second sliding strip (11) is slidably arranged in the second chute (9), a first rack (12) is fixedly arranged on the lower surface of the first sliding strip (10), the lower surface fixed mounting of second draw runner (11) has second rack (13), and first rack (12) and second rack (13) mesh with gear (6) simultaneously, and the equal fixed mounting of upper surface of first draw runner (10) and second draw runner (11) has stop gear, carries on spacingly to the strip material through stop gear.

2. The transformer core high-speed punching part according to claim 1, characterized in that: the limiting mechanism comprises two connecting rods (14), and the two connecting rods (14) are symmetrically distributed.

3. The transformer core high-speed punching part according to claim 2, characterized in that: the two connecting rods (14) are fixedly arranged on the surfaces of the first sliding strip (10) and the second sliding strip (11) respectively.

4. The transformer core high-speed punching part according to claim 3, characterized in that: the surface of the connecting rod (14) is respectively and fixedly provided with a plurality of clamping rods (15), and the surface of each clamping rod (15) is sleeved with a plurality of rollers (16).

5. The transformer core high-speed punching part according to claim 4, characterized in that: the top end of the clamping rod (15) is fixedly provided with a limiting ring (17), and the rolling sleeve (16) is limited through the limiting ring (17).

6. The transformer core high-speed punching part according to claim 1, characterized in that: limiting plates (18) are fixedly mounted on the side faces of the first sliding strips (10), baffles (19) are fixedly mounted on the lower surfaces of the lower dies (2), and the limiting of the first sliding strips (10) is achieved through the matching of the limiting plates (18) and the baffles (19).