CN202701107U

CN202701107U - Punching mechanism

Info

Publication number: CN202701107U
Application number: CN 201220272877
Authority: CN
Inventors: 谢颂玉; 刘炳伟; 蒋林森; 杨宁宁
Original assignee: Zhengzhou Yutong Bus Co Ltd
Current assignee: Zhengzhou Yutong Bus Co Ltd
Priority date: 2012-06-11
Filing date: 2012-06-11
Publication date: 2013-01-30
Anticipated expiration: 2022-06-11

Abstract

The utility model discloses a punching mechanism, comprising a working platform, wherein the working platform is provided with a convex die which moves up and down relative to the working platform under the driving of a corresponding driving device; a punching head which overhangs backwards is arranged on the rear end of the convex die; a locating surface for stopping and locating the front end of a workpiece to be processed is arranged in the position where is on the rear end surface of the convex die and under the punching head; a concave die is fixedly arranged in the position, behind the convex die, of the working platform; the front end part of the concave die is under the punching head; the front end surface of the concave die is provided with a groove which is vertically and correspondingly matched with the punching head; the punching head penetrates through the groove downwards; and the groove is correspondingly provided with an upper groove opening which is matched with a hole pattern to be processed on the upper surface of the concave die. According to the punching mechanism disclosed by the utility model, as long as the workpiece to be processed is placed on the concave die, the front end of the workpiece is sleeved on the punching head of the convex die, and the convex die moves downwards, so that a set hole pattern is cut through the matching between the punching head and the upper groove opening of the groove; and the convex die moves upwards, so that the processed workpiece is taken down. The punching mechanism disclosed by the utility model has the characteristics of simple structure, convenience for operation and capabilities of effectively improving production efficiency and reducing energy consumption and cost.

Description

A kind of punch mechanism

Technical field

The utility model relate to a kind of on the tube wall of workpiece end the device of machining hole.

Background technology

At present, mostly adopt the mode of line cutting or milling when processing the hole on the sidewall of end, large gradient end face shaped steel obtuse angle, and wire cutting machine tool or milling machine comparison in equipment are heavy, floor space is large, and working (machining) efficiency is low, and labour intensity is large, production cost is increased, be not easy to streamlined and arrange.

The utility model content

The purpose of this utility model is to provide a kind of punch mechanism, to solve the low problem of working (machining) efficiency in the prior art.

For achieving the above object, the utility model adopts following technical scheme: a kind of punch mechanism, comprise workbench, be equipped with the punch that relative workbench moves up and down under the respective drive device drives on the workbench, the rear end of punch is provided with the drift that overhangs backward and be used for penetrating into the workpiece to be processed endoporus when punch is in the stroke peak, be provided with for the locating surface to workpiece to be processed front end block location in the below of drift on the rear end face of punch, back in punch on the workbench is installed with die, the leading section of die is positioned at the below of drift, the front end face of die offer with drift on, lower corresponding matching is for the descending groove that passes of drift, and groove is provided with and the identical corresponding upper notch of the pass of workpiece to be processed in die upper surface correspondence.

The punch upper surface is concordant with the upper surface of drift, and the width of punch left and right directions equates with the width of drift left and right directions.

Be provided with for the tray that supports workpiece to be processed in the rear end of die on the workbench, the upper surface of tray is concordant with the upper surface of die.

Described punch is by L shaped punch body and be arranged on punch holder on the step surface of L shaped punch body and be threaded connection and form, and described drift and locating surface all are arranged on the rear end face of punch holder.

Be connected with lower guide mechanism between workbench and the punch, described upper lower guide mechanism comprises on the workbench guide-track groove that arranges on the front end face of the guide rail that extends along the vertical direction of the front end setting of punch and punch, described guide rail leads with described guide-track groove and cooperates.

Be provided with the waste material bucket on the lower surface of workbench, be connected with the waste channel that gap is communicated with the waste material bucket between gap and the waste material bucket.

Described drive unit comprises the actuating unit that the driving punch moves up and down and the controlling organization of controlling the actuating unit motion.

Described actuating unit comprises hydraulic cylinder and the fuel tank that is arranged on the workbench lower surface, hydraulic cylinder comprises push rod, push rod extended upwardly the hole that arranges on the workbench and was fixedly connected with the lower end of punch, be connected with oil circuit control between hydraulic cylinder and the fuel tank, described controlling organization comprises by the logical floor push that closes of control circuit control oil circuit control.

A kind of punch mechanism of the present utility model, only need workpiece to be processed is placed on the groove, make the front end sleeve of workpiece on the drift of punch, punch moves downward, and the upper notch by the groove on drift and the die cooperates the pass that cuts out setting, punch moves upward, take off the workpiece that processes and get final product, the utility model is simple in structure, and is easy to operate, effectively raise production efficiency, reduced energy consumption and cost.

Further, the punch upper surface is concordant with the upper surface of drift, makes drift not be subjected to the impact of workpiece plagiocephaly angle.

Further, the tray of setting when shaped steel length is longer than 1 meter, further guarantees the accuracy of shaped steel horizontal location, has guaranteed the uniformity of hole site.

Further, the guiding mechanism of setting can be good at guaranteeing the uniformity of the position of machining hole.

Further, the waste material bucket of setting makes the waste material can centralized collection, has guaranteed the clean and tidy of working environment.

Description of drawings

Fig. 1 is the structural representation of workpiece to be processed;

Fig. 2 is the use view of embodiment of the present utility model;

Fig. 3 is Fig. 2 convex mould and die part partial enlarged drawing;

Fig. 4 is workpiece feeding schematic diagram more than 1 meter among the embodiment of the present utility model.

The specific embodiment

A kind of embodiment of punch mechanism, such as Fig. 1, shown in Figure 2, comprise workbench 11, be equipped with the punch that relative workbench 11 moves up and down on the workbench 11, punch is by L shaped punch body 1 and be arranged on punch holder 3 on the step surface of L shaped punch body 1 and be threaded connection and form, protrude on the rear end face of punch holder 3 be provided with overhang backward and when punch 1 is in the stroke peak, penetrate into drift 31 in workpiece to be processed 5 endoporus, the upper surface of punch is concordant with the upper surface of drift 31, the width of punch left and right directions equates with the width of drift 31 left and right directions, be provided with for the locating surface with workpiece to be processed 5 front ends location in the below of drift 31 on the rear end face of punch holder 3, be installed with die 4 in the rear end of punch 1 on the workbench 11, the front end of die 4 is positioned at the below of drift 3, the position of the corresponding drift 3 of the front end of die 4 is provided with drift 3 and is used in conjunction with the gap 41 of determining the setting hole, be connected with lower guide mechanism between workbench 11 and the punch, upper lower guide mechanism comprises on the workbench 11 guide-track groove that arranges on the front end face of the guide rail 2 that extends along the vertical direction of the front end setting of punch body 1 and punch body 1, described guide rail cooperates with described guide-track groove guiding, be provided with for the tray 6 that supports workpiece to be processed 5 in the rear of die 4 on the workbench 11, the upper surface of tray 6 is concordant with the upper surface of die 4, be provided with waste material bucket 7 on the lower surface of workbench 11, be connected with the waste channel that gap 41 is communicated with waste material bucket 7 between gap 41 and the waste material bucket 7, be equipped with on the workbench 11 and drive actuating unit that punch moves up and down and the controlling organization of control actuating unit motion, actuating unit comprises the hydraulic cylinder 10 that is arranged on the workbench lower surface, fuel tank 9, hydraulic cylinder 10 comprises push rod, push rod extended upwardly the hole that arranges on the workbench 11 and was fixedly connected with the lower end of punch, be connected with oil circuit control between hydraulic cylinder 10 and the fuel tank 9, controlling organization comprises by the logical floor push 8 that closes of control circuit control oil circuit control.

Above-described embodiment in use, the workman is placed on workpiece to be processed one end on the die, drift can be in the situation that be subjected to the workpiece to be processed gradient to affect the working position that is deep into workpiece to be processed inside, position by the contacted mode of the locating surface of workpiece to be processed punch side front end and punch, the workman manually steps on floor push, hydraulic oil flows back to fuel tank in the hydraulic cylinder, cylinder interior pressure reduces, the push rod of hydraulic cylinder drives punch and moves down along upper lower guide mechanism, drift cooperates with the gap of die finishes stamping-out, cuts out the pass of setting, and waste material drops in the waste material bucket by waste channel, the workman unclamps floor push, hydraulic oil flows to hydraulic cylinder, and cylinder interior pressure increases, and the push rod of hydraulic cylinder drives punch and moves upward along upper lower guide mechanism, the workman manually takes out workpiece, finishes whole punching operation.

Because hydraulic cylinder has shorter movement travel, be that hydraulic cylinder is when the reciprocating motion of doing from the bottom up, punch and drift base can not touch workpiece, guaranteed accurate work piece positioning, and can finish smoothly the punching action in hole, the utility model can be finished the punching work of different gradient shaped steel end hole, and it can also adapt to the job requirements of different production environments and different lengths shaped steel, and the precision and the conforming function that effectively guarantee hole processing.

In other embodiments, described actuating unit can also be screw-nut structure, and leading screw is installed on the workbench, and nut is installed in the lower end of punch.

In other embodiments, the rear end of die can also not arrange tray, by supporting on the upper surface that workpiece to be processed is placed on die.

In other embodiments, on the workbench waste material bucket can also be set, the waste material that processes is got final product by artificial timing cleaning.

In other embodiments, described punch directly is made of a punch body, and described drift one is convexly equipped with on the rear end face of punch body, and described locating surface is arranged on the rear end face of punch body.

Claims

1. punch mechanism, it is characterized in that, described punch mechanism comprises workbench, be equipped with the punch that relative workbench moves up and down under the respective drive device drives on the workbench, the rear end of punch is provided with the drift that overhangs backward and be used for penetrating into the workpiece to be processed endoporus when punch is in the stroke peak, be provided with for the locating surface to workpiece to be processed front end block location in the below of drift on the rear end face of punch, back in punch on the workbench is installed with die, the leading section of die is positioned at the below of drift, the front end face of die offer with drift on, lower corresponding matching is for the descending groove that passes of drift, and groove is provided with and the identical corresponding upper notch of the pass of workpiece to be processed in die upper surface correspondence.

2. punch mechanism according to claim 1 is characterized in that, the punch upper surface is concordant with the upper surface of drift, and the width of punch left and right directions equates with the width of drift left and right directions.

3. punch mechanism according to claim 2 is characterized in that, is provided with for the tray that supports workpiece to be processed in the rear end of die on the workbench, and the upper surface of tray is concordant with the upper surface of die.

4. punch mechanism according to claim 3, it is characterized in that, described punch is by L shaped punch body and be arranged on punch holder on the step surface of L shaped punch body and be threaded connection and form, and described drift and locating surface all are arranged on the rear end face of punch holder.

5. according to claim 1 and 2 or 3 or 4 described punch mechanisms, it is characterized in that, be connected with lower guide mechanism between workbench and the punch, described upper lower guide mechanism comprises on the workbench guide-track groove that arranges on the front end face of the guide rail that extends along the vertical direction of the front end setting of punch and punch, described guide rail leads with described guide-track groove and cooperates.

6. punch mechanism according to claim 5 is characterized in that, is provided with the waste material bucket on the lower surface of workbench, is connected with the waste channel that gap is communicated with the waste material bucket between gap and the waste material bucket.

7. punch mechanism according to claim 6 is characterized in that, described drive unit comprises the actuating unit that the driving punch moves up and down and the controlling organization of controlling the actuating unit motion.

8. punch mechanism according to claim 7, it is characterized in that, described actuating unit comprises hydraulic cylinder and the fuel tank that is arranged on the workbench lower surface, hydraulic cylinder comprises push rod, push rod extended upwardly the hole that arranges on the workbench and was fixedly connected with the lower end of punch, be connected with oil circuit control between hydraulic cylinder and the fuel tank, described controlling organization comprises by the logical floor push that closes of control circuit control oil circuit control.