CN2732378Y

CN2732378Y - Improved direct shaft type connecting rod puncher structure

Info

Publication number: CN2732378Y
Application number: CN 200420084260
Authority: CN
Inventors: 张伯儒
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-26
Filing date: 2004-07-26
Publication date: 2005-10-12
Anticipated expiration: 2014-07-26

Abstract

The utility model relates to an improved straight shaft type connecting rod punching machine structure. The linking mechanism comprises a pivotal seat is arranged between an output gear of a fly wheel and the passive end of a bent shaft, and a shaft hole for the passive end of the bent shaft to be pivoted is arranged on an eccentric point of the pivotal seat. The driven gear is pivoted at the periphery of the pivotal seat in rotary movement, one side of the periphery is engaged with and is driven by the output gear of the fly wheel, the bent moving shaft is formed by the pivoting of two connecting rods, the first end and the passive end of the eccentric shaft hole of the pivotal seat pivoted by the bent shaft are assembled and are fixed by keys, and a second end of the bent moving shaft is pivoted at a circumference site on one side which drives a gear to preset. When the second end of the bent moving shaft aligns an angle below the first end, the condition that the bent shaft lifts a punching head is just formed. When the bent shaft is rotated, the utility model forms a preset circumferential movement with different speed by the linking mechanism, the speed generated by that the punching head presses and touches work pieces in punching travel is slow, the speed generated by that the punching head is raised and is disengaged from work pieces is fast, the time of touch press of the punching head and work pieces is shortened in punching procedure, damage caused by high temperature is reduced, and the utility model is more practical.

Description

Improved diacytic type connecting rod punching machine structure

Technical field

The utility model relates to a kind of punching machine structure, is meant a kind of diacytic type connecting rod punching machine structure especially.

Background technology

General punch press utilizes crankshaft structure to drive its drift and does the function that displacement up and down reciprocatingly reaches the stamped workpieces moulding, its drift of traditional punch press is done and is constant speed motion when up and down reciprocatingly moving, cause drift in the process of processing, clash into the overlong time that is spent when contacting with workpiece, the easy situation that causes damaging because long high temperature contacts, and then shorten its service life, therefore, how to solve this scarce fraud, develop the new-type punching machine structure that has more desirable practicality, be target and direction that relevant industry lays siege to breakthrough always.

In view of this, the designer this in manufacturing development and the design experiences of being engaged in Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually the utility model of a true tool practicality.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of improved diacytic type connecting rod punching machine structure, it mainly makes this interlinked mechanism form design by the special construction of pivot block, driven gear, bent moving axis, advance and be a default variable speed circular motion when ordering about this crankshaft rotating, make drift in punching stroke, shorten with time of workpiece striking, advance to reduce the damage that long-time high temperature is caused, reach the better practical purpose of applicability.

For this reason, technical solution of the present utility model is that a kind of improved diacytic type connecting rod punching machine structure, this punch press drive a flywheel, an interlinked mechanism in regular turn by CD-ROM drive motor and then drive bent commentaries on classics of bent axle and impel the upper and lower reciprocal start of drift to carry out press work; This interlinked mechanism comprises:

Pivot block is established and is organized between flywheel output gear and bent axle Partner, and this pivot block eccentric part offers an axis hole and just can wear for bent axle Partner pivot;

Driven gear, the pivot group is and can rotates in the pivot block periphery, the proper and flywheel output gear engaged transmission of its outer side Monday;

Bent moving axis, be articulated by two connecting rods and form, its first end and bent axle pivot pass the Partner winding of pivot block eccentric pivot hole and fix with key, second end of bent moving axis then the pivot group in the default side week position of driven gear, and wherein, this song moving axis second end just constitutes the state that bent axle is up carried drift when being positioned at square degree on first end;

Interlinked mechanism is formed configuration by this, be default variable speed circular motion in the time of must ordering about this crankshaft rotating, it is slow and speed when climbing away workpiece is fast to make drift produce in punching stroke toward pressing down the speed of touching workpiece, so that shorten with the workpiece striking time, reduces the damage that high temperature causes.

Description of drawings

Fig. 1 is the whole rear side viewing angle of a utility model example structure perspective view.

Fig. 2 is the auxiliary interlinked mechanism combination stereogram of the utility model example structure.

Fig. 3 is the exploded perspective view that holds Fig. 2.

Fig. 4 is the cutaway view that holds Fig. 2.

Fig. 5 A, 5B are the illustrative view one of the utility model example structure.

Fig. 6 A, 6B are the illustrative view two of the utility model example structure.

Fig. 7 A, 7B are the illustrative view three of the utility model example structure.

Fig. 8 A, 8B are the illustrative view four of the utility model example structure.

The drawing reference numeral explanation:

10 CD-ROM drive motors, 20 flywheels 21 are taken turns out gear

30 interlinked mechanisms, 32 pivot block, 33 axis holes

34 driven gears, 35 bent moving axis 351 first ends

352 second ends, 36 keys, 40 bent axles

41 Partner, 50 drifts

The specific embodiment

At first, please cooperate and consult shown in Fig. 1,2,3,4, a kind of improved diacytic type connecting rod punching machine structure of the present utility model, this punch press are to drive a flywheel 20, an interlinked mechanism 30 in regular turn and then drive bent axle 40 bent commentaries on classics by CD-ROM drive motor 10 to impel drift 50 upper and lower reciprocal starts to carry out press work; Wherein, this interlinked mechanism 30 includes:

This pivot block 32 is established and is organized between flywheel 20 output gears 21 and bent axle 40 Partner 41, and these pivot block 32 eccentric parts offer an axis hole 33 and just can wear for bent axle 40 Partner 41 pivots; This driven gear 34, the pivot group is and can rotates in pivot block 31 peripheries, its outer Monday side just and flywheel 20 take turns out gear 21 engaged transmission, this song moving axis 35, be articulated by two connecting rods and form, its first end 351 passes the Partner winding of pivot block 32 eccentric pivot holes 33 with bent axle 40 pivots and with key 36,352 pivot groups of second end of bent moving axis 35 are in the side week position that driven gear 34 is preset, and just constitute bent axle 40 when wherein, these 352 pairs at song moving axis 35 second ends are positioned at square degree on first end 351 with the state of carrying on the drift 50 (detailed shown in Fig. 8 A, 8B); Interlinked mechanism is formed configuration by this, is a default variable speed circular motion in the time of must ordering about this crankshaft rotating, makes drift shorten with the workpiece striking time in punching stroke, reduces the damage that long-time high temperature causes.

Above-mentionedly the relevant position of structure of the present utility model, feature and combination thereof is done a detailed description, below with regard to its effect, advantage explanation as back of using situation and expection to reach:

The utility model is by the structure-improved design of this interlinked mechanism, please cooperate and consult Fig. 5 A, 5B, 6A, 6B, 7A, 7B, 8A, shown in the 8B, be the actuating travel schematic diagram of the utility model example structure, mainly utilizing first end 351 of this song moving axis 35 is the principles that are positioned at pivot block 32 eccentric parts, therefore, when its second end 352 changes with the relative distance of first end 351 along with driven gear 34 rotation, also will change simultaneously the angle between this song moving axis 35 two connecting rods itself, this makes the resistance of driven gear rotation change, and then influence the speed that driven gear is rotated when motion, speed when the angle of bent moving axis 35 hour will be big than its angle (please contrast Fig. 8 A soon, 8B and Fig. 6 A, the difference of 6B), and because default assembled state of the present utility model is (as Fig. 6 A when these song moving axis 35 angles are maximum, shown in the 6B), just constitute the down state of stamped workpieces of this drift 50, and be the slower state of stroke medium velocity this moment; Again after this drift 50 and workpiece striking punching press, this song moving axis 35 marches to the state of angle minimum immediately (as Fig. 8 A, shown in the 8B), that is the fastest state of driven gear 34 rotating speeds, therefore, made drift 50 after stamped workpieces, up break away from fast immediately, so constitute in these drift 50 strokes toward pressing down the speed of touching workpiece slow and speed when climbing away workpiece is fast, so that in punching stroke, significantly shorten time of contact with the workpiece striking, reduce long-time hyperthermia and superheating to the damage that drift caused, reach and increase the service life, the practical purpose that applicability is better.

Preamble is that technical characterictic of the present utility model carries out specific description at preferred embodiment of the present utility model, the personage who only is familiar with this technology is when can the utility model being changed and revise not breaking away under spirit of the present utility model and the principle, and these changes with revise, all should be covered by in the category that claim defines.

Claims

1, a kind of improved diacytic type connecting rod punching machine structure, this punch press drive a flywheel, an interlinked mechanism in regular turn by CD-ROM drive motor and then drive that bent axle is bent to be changeed, and this bent axle is connected with the drift that can upper and lower reciprocal start carries out press work; It is characterized in that this interlinked mechanism comprises:

Pivot block is established and is organized between flywheel output gear and bent axle Partner, and this pivot block eccentric part offers an axis hole that can supply bent axle Partner pivot to wear;

The driven gear that can rotate, pivot group be in the pivot block periphery, its outer Monday side and flywheel output gear engaged transmission;

Bent moving axis, be articulated by two connecting rods and form, its first end and bent axle pivot pass the Partner winding of pivot block eccentric pivot hole and fix with key, second end of bent moving axis then the pivot group in the side week position of driven gear, and wherein, this song moving axis second end constitutes the state that bent axle is up carried drift when being positioned at square degree on first end;

This bent axle can be variable speed circular motion ground rotary setting.