CN217701095U

CN217701095U - Iron core tooth punching device

Info

Publication number: CN217701095U
Application number: CN202221896438.9U
Authority: CN
Inventors: 范春望; 曹志; 黄修良
Original assignee: Wuhu Iveli Technology Co ltd
Current assignee: Wuhu Iveli Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-01
Anticipated expiration: 2032-07-22

Abstract

The utility model provides an iron core tooth punching device, which comprises a bottom plate, wherein the bottom plate has a supporting function on the whole device, and the middle part of the bottom plate is provided with a blanking hole; the stamping die plate is detachably connected with the top of the bottom plate, the middle part of the stamping die plate is provided with a preset tooth-shaped groove, a gear stamping forming punch used for stamping the iron core blank is arranged outside the iron core blank, and the stamping die plate is positioned at the top of the tooth-shaped groove and used for stamping the iron core blank; a die shank; the top of the steering gear is connected with a punch press, and the punch press is connected with the punch by screws to provide downward impact force for the punch, so that the technical problem of high manufacturing cost due to the adoption of a hobbing processing technology and a die forging processing technology during the manufacturing of the steering gear is solved.

Description

Iron core tooth punching device

Technical Field

The utility model relates to a gear machining technical field, concretely relates to iron core dashes tooth device.

Background

A steering gear is arranged in a bicycle steering system, and the current manufacturing process adopts hobbing and die forging, so that the preset gear latch can be formed on the periphery of a circular blank.

During the operation of the specific embodiment, the inventor finds the following defects:

however, the hobbing process and the die forging process are adopted, so that the manufacturing cost is high, and the method is specifically embodied as follows: 1. the production method comprises the steps of (1) high equipment input cost, high equipment purchasing cost at present, (2) high mould development cost, high requirement on the hardness of a mould, cost improvement, and (3) low production efficiency, wherein due to the limitation of a production process, the teeth are required to be cut one by one, so that the efficiency is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved by the utility model

The utility model provides an iron core tooth punching device for adopt gear hobbing processing technology and die forging processing technology when having steering gear preparation among the above-mentioned background art of solution, technical problem that manufacturing cost is high.

Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does: an iron core tooth punching device comprises

The bottom plate has a supporting function on the whole device, and the middle part of the bottom plate is provided with a blanking hole;

the stamping template is detachably connected with the top of the bottom plate, and a preset tooth-shaped groove is formed in the middle of the stamping template and used for stamping and forming a gear outside the iron core blank;

the punch is positioned at the top of the tooth-shaped groove and used for punching an iron core blank;

a die shank; the top of the punch is connected with a punch press and is connected with the punch through a screw to provide downward impact force for the punch.

Furthermore, the stamping die plate comprises a die sleeve, a groove is formed in the middle of the die sleeve, the groove is in interference fit with the die core, the tooth-shaped groove is formed in the middle of the die core, and the die sleeve is tightly connected with the bottom plate through screws.

Furthermore, a plurality of groups of threaded holes are formed in the top of the die sleeve, the threaded holes are in threaded connection with positioning blocks, the positioning blocks are arranged on the top of the die sleeve in a triangular mode, and the top of each positioning block is in threaded connection with a limiting ejector.

Furthermore, the middle part of the punch is provided with a containing groove, the containing groove is connected with a positioning core in a matching mode, the top of the positioning core is abutted to the bottom of the die shank, and the bottom of the positioning core is fixedly connected with a conical positioning pin.

Furthermore, the punching device further comprises a positioning outer frame, wherein a positioning groove is formed in the middle of the positioning outer frame and is connected with the punching head in a sliding mode, and the positioning outer frame is connected with the bottom plate through a supporting column to be fixed.

Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model has reasonable design, adopts a simple punch press, has the equipment investment cost of 1/5 of that of the hobbing machine, and has the production efficiency of 5 times that of the hobbing machine; compared with die forging, the equipment investment cost is 1/3 of that of a die forging machine, the cost of the tooth punching die is 1/3 of that of the die forging machine, the production efficiency is twice of that of die forging, the production efficiency of the steering gear is improved, and the production cost of the steering gear is reduced.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is the structure schematic diagram of the stamping die plate of the utility model.

Reference numerals

1. A base plate; 2. a blanking hole; 3. stamping the template; 31. die sleeve; 32. a mold core; 33. a threaded hole; 34. positioning blocks; 35. limiting a top; 4. a slot; 5. a punch; 51. accommodating grooves; 52. a positioning core; 53. a tapered locating pin; 6. a die shank; 7. punching; 8. and positioning the outer frame.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but on the contrary are provided for the purpose of making the disclosure more thorough and complete.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1-2, an iron core tooth punching device comprises

The bottom plate 1 plays a role in supporting the whole device, and the middle part of the bottom plate 1 is provided with a blanking hole 2;

the stamping die plate 3 is detachably connected with the top of the bottom plate 1, and a preset tooth-shaped groove 4 is formed in the middle of the stamping die plate and used for stamping and forming a gear outside the iron core blank;

the punch 5 is positioned at the top of the tooth-shaped groove 4 and used for punching an iron core blank;

a die shank 6; the top is connected with a punch press 7 and is connected with a punch 5 through a screw to provide downward impact force for the punch 5, when the device works, an iron core blank needs to be placed in the middle of the top of the tooth-shaped groove 4, the punch press 7 is started, the punch 5 at the bottom is driven by a die shank 6 to be pressed downwards, the iron core blank is extruded into the tooth-shaped groove 4, and the iron core blank falls out through the blanking hole 2 after being extruded and formed.

Punching press template 3 includes die sleeve 31, and open at die sleeve 31 middle part has the recess, and recess interference fit mold core 32, and open at mold core 32 middle part has flute profile 4, and die sleeve 31 closely links to each other through the screw with bottom plate 1, and mold core 32 hardness is high, is difficult to bore and gets the mounting hole, and for the change of conveniently punching press template 3, die sleeve 31 can dismantle continuously through the screw with bottom plate 1, and mold core 32 can also reuse.

The top of die sleeve 31 is opened there is multiunit screw hole 33, screw hole 33 threaded connection locating piece 34, locating piece 34 is triangle-shaped and arranges in the top of die sleeve 31, and locating piece 34 top threaded connection limit top 35, die sleeve 31 top is opened there are multiunit screw hole 33, with locating piece 34 cooperation, when the iron core blank of appointed specification is placed to needs, can replace corresponding limit top 35, form the triangulation location, be convenient for accurate the placing in tooth-shaped groove 4 central authorities of iron core blank, limit top 35 also can be with locating piece 34 integrated into one piece, do not have the dismantlement effect.

The middle part of the punch 5 is provided with an accommodating groove 51, the accommodating groove 51 is connected with a positioning core 52 in a matching manner, the top of the positioning core 52 is abutted to the bottom of the die shank 6, the bottom of the positioning core 52 is fixedly connected with a conical positioning pin 53, the conical positioning pin 53 is slightly convex and is in a plane with the bottom of the punch 5, in order to prevent the iron core blank at the bottom of the punching process from displacing, and the conical positioning pin 53 at the bottom can extrude a small positioning groove on the iron core blank when punching.

Still including the location frame 8, open at 8 middle parts of location frame has the constant head tank, constant head tank sliding connection drift 5, and location frame 8 is connected with bottom plate 1 through the support column and is fixed, in order to improve the precision that drift 5 pushed down, sets up location frame 8, can guarantee 5 vertical pushes down of drift, and location frame 8 also accessible support column is connected with 7 framves of punch press and is realized fixedly.

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The iron core tooth punching device is characterized in that: comprises that

The bottom plate (1) has a supporting effect on the whole device, and the middle part of the bottom plate (1) is provided with a blanking hole (2);

the stamping die plate (3) is detachably connected with the top of the bottom plate (1), and the middle part of the stamping die plate is provided with a preset tooth-shaped groove (4) for stamping and forming a gear outside the iron core blank;

the punch (5) is positioned at the top of the tooth-shaped groove (4) and used for punching an iron core blank;

a die shank (6); the top of the punch is connected with a punch (7) and is connected with the punch (5) by screws to provide downward impact force for the punch (5).

2. The iron core tooth punching device according to claim 1, characterized in that: the stamping die plate (3) comprises a die sleeve (31), a groove is formed in the middle of the die sleeve (31), the groove is in interference fit with the die core (32), the middle of the die core (32) is provided with the tooth-shaped groove (4), and the die sleeve (31) is tightly connected with the bottom plate (1) through screws.

3. The iron core tooth punching device according to claim 2, characterized in that: the die sleeve is characterized in that a plurality of groups of threaded holes (33) are formed in the top of the die sleeve (31), the threaded holes (33) are in threaded connection with positioning blocks (34), the positioning blocks (34) are arranged on the top of the die sleeve (31) in a triangular mode, and the top of each positioning block (34) is in threaded connection with a limiting top head (35).

4. The iron core tooth punching device according to claim 1, characterized in that: an accommodating groove (51) is formed in the middle of the punch (5), the accommodating groove (51) is connected with a positioning core (52) in a matching mode, the top of the positioning core (52) is abutted to the bottom of the die shank (6), and the bottom of the positioning core (52) is fixedly connected with a conical positioning pin (53).

5. The iron core tooth punching device according to claim 1, characterized in that: still including location frame (8), open at location frame (8) middle part has the constant head tank, constant head tank sliding connection drift (5), location frame (8) through the support column with bottom plate (1) are connected and are fixed.