CN212494841U

CN212494841U - Fire engine cantilever crane arc hole hydraulic pressure punching device

Info

Publication number: CN212494841U
Application number: CN202020892018.8U
Authority: CN
Inventors: 杨留兵
Original assignee: Rugao City Jiangnan Metal Components Co ltd
Current assignee: Rugao City Jiangnan Metal Components Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-02-09
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to a fire engine cantilever crane arc hole hydraulic pressure punching device, including pay-off guide rail, ejection of compact guide rail, upper beam, cope match-plate pattern, upper punch, lower bolster, die holder and base, upper beam, cope match-plate pattern, lower bolster, die holder and base top-down set gradually, and the upper punch is fixed on the cope match-plate pattern, and the upper punch includes three drift, and the drift is the loop configuration, and three drift slope is arranged, is provided with the three arc recess with three drift collocation on the lower bolster, is equipped with the lower punch in the arc recess, there is a trapezoidal plate through the bolt fastening on the lower bolster, and the trapezoidal plate is fixed in one side of arc recess, and the hypotenuse of trapezoidal plate is close to the arc recess and parallel with the straight line that three arc recess links into, the utility model discloses stable in structure just can go out.

Description

Fire engine cantilever crane arc hole hydraulic pressure punching device

Technical Field

The utility model relates to a fire engine cantilever crane makes the field, especially relates to a fire engine cantilever crane arc hole hydraulic pressure punching device.

Background

The fire truck, also called fire truck, is designed and manufactured to be suitable for firefighters to take and equip various fire-fighting equipment or fire extinguishing agents according to requirements, and is used for fire extinguishing, auxiliary fire extinguishing or fire rescue for fire-fighting troops, and most of national fire departments including China can also be used for other emergency rescue purposes. The fire engine can transport firefighters to a disaster site and provide a variety of tools for performing disaster relief tasks.

The vehicle can be provided with a lifting bucket turntable and a fire extinguishing device, so that fire fighters can ascend to extinguish fire and rescue trapped people, and the vehicle is suitable for fighting fire of high-rise buildings. The lifting bucket turntable comprises a lifting arm, the lifting arm support is formed by welding four steel plates, and welding operation is performed after the edges of the steel plates need to be bent in order to guarantee the structural stability of the lifting arm. In this process, it is also necessary to punch an arc-shaped hole in the steel plate at a specific position to facilitate the assembly requirement of the subsequent components. The existing hydraulic punching equipment usually punches plane round holes, and cannot punch the holes with arc surfaces on a steel plate.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a fire engine cantilever crane arc hole hydraulic pressure punching device that can be to steel sheet punching arc hole.

In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a fire engine cantilever crane arc hole hydraulic pressure punching device which innovation point lies in: the device comprises a feeding guide rail, a discharging guide rail, an upper beam, an upper template, an upper punch, a lower template, a lower die holder, a supporting table and a base;

the upper beam, the upper template, the lower die holder, the supporting table and the base are sequentially arranged from top to bottom;

the upper die plate comprises an upper die fixing plate and an upper die movable plate, the upper punch is arranged on the upper die movable plate, the upper die fixing plate is fixed at the bottom of the upper beam, four guide rods are arranged between the upper die fixing plate and the upper die movable plate, one side of each guide rod is fixed on the upper die movable plate, the end part of each guide rod extends out of the bottom side of the upper die movable plate, the other side of each guide rod penetrates through the upper die fixing plate and extends out of the upper portion of the upper die fixing plate, the upper punch comprises three upper punches which are in an annular structure and are arranged in an inclined mode, three arc-shaped grooves which correspond to the three punches one by one are further arranged on the lower die plate, lower punches matched with the upper punches are arranged in the arc-shaped grooves, a trapezoidal plate is fixed on the lower die plate through bolts and is fixed on one side of the arc-shaped grooves, and, the lower die plate is fixed on the lower die base through bolts, the lower die base is supported on a supporting table, the supporting table is arranged on a base, and the feeding guide rails and the discharging guide rails are symmetrically arranged on two sides of the lower die plate and are in butt joint with the lower die plate.

Furthermore, the upper surface of the lower template is also provided with a groove for inserting the four guide rods.

Further, the two sides of the lower die holder are provided with fixing mechanisms, each fixing mechanism comprises a fixing plate A and a fixing plate B, the length of each fixing plate A is smaller than that of each fixing plate B, the fixing plates A are welded and fixed on the fixing plates B, the fixing plates A horizontally extend out of the fixing plates B, the extending parts of the fixing plates A are pressed on the top surface of the lower die holder, and one ends, far away from the fixing rods A, of the fixing plates B are fixed on the base through bolts.

Furthermore, the feeding guide rail and the discharging guide rail are identical in structure and are composed of a pair of symmetrically arranged C-shaped channel steels, and the openings of the two C-shaped channel steels are opposite.

The utility model has the advantages that:

1) the upper beam, the upper die plate, the lower die base, the supporting table and the base are sequentially arranged from top to bottom, the structure is stable, the upper punch is provided with three upper punches, the lower punch is provided with three arc-shaped grooves, the lower punch is arranged in the groove, three holes can be punched at one time, the punching efficiency is improved, and the production requirements are met. Be fixed with trapezoidal plate on the lower bolster, the hypotenuse of trapezoidal plate is close to the arc recess and parallel with the straight line that three arc recess even becomes, and the drift can produce the arcwall face when carrying out the punching press to the steel sheet to dash out the arc hole, satisfy the production needs.

2) Four guide rods on the upper template are matched with grooves on the lower template, the positions of the upper template and the lower template during hydraulic punching are limited, the butt joint of an upper punch on the upper template and a lower punch on the lower template is ensured, and the punches cannot deviate.

3) Fix the die holder through fixed plate A and fixed plate B, simple structure, it is fixed effectual, prevent that the die holder from taking place the displacement at the in-process that punches a hole.

4) The guide rail is inside to have the shape of falling T recess and to hold the steel sheet and pass, and the steel sheet is spacing in the recess, prevents that the steel sheet from taking place the skew at the in-process that punches to ensure to punch and can not squint.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the utility model relates to a fire engine cantilever crane arc hole hydraulic pressure punching device's schematic structure diagram.

Fig. 2 is the utility model relates to a fire engine cantilever crane arc hole hydraulic pressure punching device's lower bolster plan view.

Fig. 3 is the utility model discloses a fire engine cantilever crane arc hole hydraulic pressure punching device's last mould fly leaf bottom structure sketch map.

Fig. 4 is the utility model discloses a fire engine cantilever crane arc hole hydraulic pressure punching device's pay-off guide rail and ejection of compact guide rail cross-sectional view.

Fig. 5 is the utility model discloses a cross-sectional view of fire engine cantilever crane arc hole hydraulic pressure punching device production product.

Detailed Description

The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.

As shown in figure 1, the fire engine cantilever crane arc hole hydraulic punching device comprises a feeding guide rail 7, a discharging guide rail 8, an upper beam 1, an upper template 2, an upper punch 3, a lower template 4, a lower die holder 5, a supporting table 11 and a base 6, wherein the upper beam 1, the upper template 2, the lower template 4, the lower die holder 5, the supporting table 11 and the base 6 are sequentially arranged from top to bottom.

The upper die plate 2 comprises an upper die fixing plate 21 and an upper die movable plate 22, the upper punch 3 is fixed on the upper die movable plate 22, the upper die fixing plate 21 is fixed at the bottom of the upper beam 1, four guide rods 23 are arranged between the upper die fixing plate 21 and the upper die movable plate 22, one side of each guide rod 23 is fixed on the upper die movable plate 22, the end part of the side of each guide rod 23 extends out of the bottom surface of the upper die movable plate 22, and the other side of each guide rod 23 penetrates through the upper die fixing plate 21 from bottom to top and extends out of the upper side of.

The upper punch 3 comprises three upper punches which are of an annular structure and are arranged obliquely.

The lower die plate 4 is provided with three arc-shaped grooves 41 corresponding to the three punches one by one, the arc-shaped grooves 41 are internally provided with lower punches 42 matched with the upper punches one by one, the lower die plate 4 is fixed with a trapezoidal plate 43 through bolts, the trapezoidal plate 43 is fixed at one side of the arc-shaped grooves 42, the inclined edge of the trapezoidal plate 43 is close to the arc-shaped grooves 41 and is parallel to a straight line formed by connecting the three arc-shaped grooves 41, and the upper surface of the lower die plate 4 is provided with a groove 44 for inserting the four guide rods 23.

The feeding guide rails 7 and the discharging guide rails 8 are stacked on two sides of the lower template 4 and are in butt joint with the lower template 4, the feeding guide rails 7 and the discharging guide rails 8 are identical in structure and are formed by a pair of symmetrically distributed C-shaped channel steels 9, a gap for allowing a steel plate to pass through is reserved between the two C-shaped channel steels, and the C-shaped channel steels 9 extend along the horizontal direction.

The lower die plate 4 is fixed on the lower die base 5 through bolts, the lower die base 5 is placed on a support table 11, the support table 11 is placed on a base 6, a fixing mechanism 10 is arranged on the lower die base 5, the fixing mechanism 10 comprises a fixing plate A101 and a fixing plate B102, the length of the fixing plate A101 is smaller than that of the fixing plate B102, the fixing plate A101 is welded and fixed at the upper side end of the fixing plate B102, one side of the fixing plate A101 extends out of the fixing plate B102, the extending part of the fixing plate A101 presses the top surface of the lower die base 5, one end, far away from the fixing rod A101, of the fixing plate B102 is fixed on the base 6 through bolts, an auxiliary support plate 103 is further arranged between the fixing plate B102 and the base 6, the auxiliary support plate 103 is located at one side far away from the fixing plate A101, the auxiliary support plate 103 is used for limiting the side end of the, resulting in a phenomenon that the fixing plate B102 is inclined.

In this embodiment, the steel sheet is sent into between upper die plate 2 and the lower bolster 4 from pay-off guide rail 7, upper die plate 2 is vertical to the position direction displacement of steel sheet under the promotion of upper beam 1, guide bar 23 on upper die plate 2 inserts in the recess 44 on the lower bolster 4, restrict the relative displacement between upper die plate 2 and lower bolster 4, the upper punch of upper punch 3 is under the effect of upper beam 1, the position of arc recess 41 is washed out on lower die plate 4, with the combined action of the lower punch 42 in arc recess 41, the upper punch ring shape and lower punch press fit, pierce through the steel sheet, the trapezoidal plate 43 that sets up this moment in arc recess 41 one side lifts one side of steel sheet, can wash out the arc hole, after accomplishing the punching operation, the steel sheet is sent out from ejection of compact guide rail 8, accomplish the ejection of compact.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fire engine cantilever crane arc hole hydraulic pressure punching device which characterized in that: the device comprises a feeding guide rail, a discharging guide rail, an upper beam, an upper template, an upper punch, a lower template, a lower die holder, a supporting table and a base;

2. The fire fighting truck boom arc-shaped hole hydraulic punching device according to claim 1, characterized in that: the upper surface of the lower template is also provided with a groove for inserting the four guide rods.

3. The fire fighting truck boom arc-shaped hole hydraulic punching device according to claim 1, characterized in that: the two sides of the lower die holder are provided with fixing mechanisms, each fixing mechanism comprises a fixing plate A and a fixing plate B, the length of each fixing plate A is smaller than that of each fixing plate B, the fixing plates A are welded and fixed on the fixing plates B, the fixing plates A horizontally extend out of the fixing plates B, the extending parts of the fixing plates A are pressed on the top surface of the lower die holder, and one ends, far away from the fixing rods A, of the fixing plates B are fixed on the base through bolts.

4. The fire fighting truck boom arc-shaped hole hydraulic punching device according to claim 1, characterized in that: the feeding guide rail and the discharging guide rail are identical in structure and are composed of a pair of C-shaped channel steels which are symmetrically arranged, and openings of the two C-shaped channel steels are arranged oppositely.