CN222307089U - Forming die for front axle wing plate of mining vehicle - Google Patents

Abstract

The utility model discloses a forming die for a front axle wing plate of a mining vehicle, which is composed of an upper and lower die; the utility model is characterized in that the upper die is composed of an upper die base and a convex die insert group; the lower die is composed of a lower die base, a concave die insert group, a positioning device, a guiding device, and an ejecting device; the concave die insert group and the convex die insert group are installed on the die base to press the wing plate blank into a required shape; the positioning device is installed on the concave die insert group to realize the positioning of the plate; the guiding device is installed on the lower die base to ensure the position accuracy when the upper die is moved downward; the ejecting device is installed on the lower die base to realize the loading and unloading of the workpiece; the wing plate is formed by cooperating with other components through different concave and convex inserts, thereby improving the forming accuracy; the die structure of the insert can be flexibly replaced and controlled, and the upper and lower dies are driven by a hydraulic press to press and form the wing plate blank at one time, with high efficiency, high degree of automation, good product consistency, high product size accuracy, and long die life.

Description

Forming die for front axle wing plate of mining vehicle

Technical Field

The utility model relates to the technical field of automobile axle manufacturing, in particular to a forming die for a front axle wing plate of a mining automobile.

Background

The front axle foundation supporting frame for the front axle punching welding of the mine truck is formed by welding two wing plates and two side plates, wherein the wing plates are bent for 4 times, the thickness is larger than or equal to 18mm, a forming round angle is larger than or equal to R100, the forming angle is larger than or equal to 130 degrees, the forming pressure is larger than 600 tons, a general bending machine does not meet the pressure requirement, currently, a punch press with more than 800 tons is used for bending, a single-angle die is used for pressing one wing plate, the weight of the wing plate is generally larger than 80 kilograms, an operator needs to overturn for multiple times, the labor intensity is increased, the whole working time is longer, mass production cannot be realized, automation cannot be realized easily, the precision of the position of a stay point of a common hydraulic punch press in each bending is not guaranteed, the punching speed of the punch press is high, the plate is in a free state during bending, the upper die is fast in descending, the two ends of the plate can be fast lifted, potential safety hazards exist, the wing plate length is generally larger than or equal to 2200mm, the width is 190mm-210mm, the long and the narrow material can be bent to a certain degree after being cut, the single-angle die does not have a leveling function, and the flatness of the wing plate cannot be guaranteed. In a word, traditional single angle mould suppresses pterygoid lamina inefficiency, intensity of labour is high, has the potential safety hazard, the uniformity of pterygoid lamina size is poor, pterygoid lamina deformation problem can't solve.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a forming die for a front axle wing plate of a mining vehicle.

The technical scheme provided by the utility model is that the forming die for the front axle wing plate of the mining vehicle consists of an upper die and a lower die, and is characterized in that the upper die consists of an upper die holder and a male die insert set;

The male die insert group consists of a first male die insert, a second male die insert, a third male die insert and a fourth male die insert, wherein the number of the first male die insert, the second male die insert, the third male die insert and the fourth male die insert is two, the first male die insert and the fourth male die insert are fixed on an upper die holder, and the second male die insert and the third male die insert are fixed in a groove reserved on the fourth male die insert;

The die insert group consists of a first die insert, a second die insert, a third die insert and a fourth die insert, wherein the number of the first die insert, the second die insert, the third die insert and the fourth die insert) is two, the first die insert and the fourth die insert are fixed on a lower die holder, and the second die insert and the third die insert are fixed in grooves reserved on the first die insert;

The positioning device consists of two positioning pins and an end positioning device, wherein the two positioning pins are respectively arranged in pin holes reserved on two first die inserts;

The guide device consists of at least four guide posts which are fixed on two sides of the lower die holder;

The ejection device consists of a supporting plate and at least three ejection rods, wherein the supporting plate is arranged at the middle position of the lower die holder, and the three ejection rods are arranged in holes reserved in the lower die holder.

Further, the distance between the outer end surfaces of the two first male die inserts is 180mm shorter than the total length of the wing plate, the second male die insert is fixed at the inclined surface straight section position of the fourth male die insert, and the third male die insert is fixed at the round angle position of the fourth male die insert.

Further, the second die insert is fixed at the rounded corner position of the first die insert, and the third die insert is fixed at the straight section of the inclined surface of the first die insert.

Further, the installation height of the guide post is 2mm lower than the height of the upper surface of the supporting plate when the die is in an ejection state.

The utility model has the beneficial effects that:

1. Four bends can be formed at one time, the working time is reduced to 1/4 of the original working time, and the requirement of mass production can be met;

2. the device has an accurate positioning device, does not need manual scribing when in use, and improves the dimensional accuracy of the product;

3. The automatic feeding and discharging can be realized, the potential safety hazards existing in manual conveying and overturning are avoided while conveying is saved, and the labor intensity is reduced;

4. the hydraulic press is used for compression molding, and the consistency of products is improved by controlling the pressure maintaining time and the pressure of the hydraulic press while four curves are formed;

5. The flexible detachable fillet insert and the inclined plane insert are provided, the forming size of the wing plate is controlled by increasing or decreasing the gasket, and the flexible detachable fillet insert and the inclined plane insert can be suitable for steel plates with different rebound;

6. The supporting plate moves along with the wing plate in the forming process, so that the wing plate can be corrected to a certain extent, and the forming quality of a product is improved.

Drawings

FIG. 1 is a schematic diagram of a mold structure of the present utility model;

FIG. 2 is a schematic view of the structure of the wing plate of the present utility model;

fig. 3 is a schematic view of the construction of the flange blank of the present utility model.

In the figure, 1, an upper die holder, 2, a first male die insert, 3, a second male die insert, 4, a third male die insert, 5, a fourth male die insert, 6, a first female die insert, 7, a second female die insert, 8, a third female die insert, 9, a fourth female die insert, 10, a guide plate, 11, a material ejection rod, 12, a supporting plate, 13, a lower die holder, 14, a wing plate, 15, an end positioning device, 16, a positioning pin, 17, a wing plate blank, 18, a first bending angle, 19 and a second bending angle.

Detailed Description

For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.

The forming die for the front axle wing plate of the mining vehicle comprises an upper die and a lower die, wherein the upper die comprises an upper die holder 1 and a male die insert set, and the lower die comprises a lower die holder 13, a female die insert set, a positioning device, a guiding device and an ejection device, and mounting holes are formed in the surfaces of the upper die holder 1 and the lower die holder 13 and are used for mounting a fixing component;

The male die insert group consists of two pieces of first male die inserts 2, two pieces of second male die inserts 3, two pieces of third male die inserts 4 and two pieces of fourth male die inserts 5, and threaded holes are formed in the surfaces of the two pieces of first male die inserts 2, the two pieces of second male die inserts 3, the two pieces of third male die inserts 4 and the two pieces of fourth male die inserts 5; the split type insert has the functions of facilitating insert replacement and prolonging the service life of a die, fixing a first male die insert 2 and a fourth male die insert 5 on an upper die holder 1 through bolts, fixing a second male die insert 3 and a third male die insert 4 in grooves reserved on the fourth male die insert 5 through bolts, fixing two first male die inserts 2 on the upper die holder 1, enabling the outer section distance of the two first male die inserts 2 to be 180mm shorter than the total length of a wing plate 14 after molding, preventing the two ends of the wing plate 14 from being bent beyond a first bending angle 18 and a second bending angle 19 in the plate bending process, and ensuring the parallelism degree of the planes at the two ends of the wing plate 14 and a middle plane;

The die insert group consists of two first die inserts 6, two second die inserts 7, two third die inserts 8 and two fourth die inserts 9, and the surfaces of the two first die inserts 6, the two second die inserts 7, the two third die inserts 8 and the two fourth die inserts 9 are provided with threaded holes; the split insert has the functions of facilitating insert replacement and prolonging the service life of a die, the first and fourth insert 6 and 9 are fixed on the lower die holder 13 through bolts, the second and third insert 7 and 8 are fixed in grooves reserved on the first insert 6 through bolts, the second insert 7 is fixed at the round angle position of the first insert 6, the round angle after the wing plate 14 is controlled through increasing and decreasing thin backing plates, the third insert 8 is fixed at the straight section of the inclined surface of the first insert 6, the angle after the wing plate 14 is controlled through increasing and decreasing thin backing plates, the second insert 7 is made of more wear-resistant materials than other inserts, the die scratch caused by material extraction at two ends in the forming process of the wing plate 14 is reduced, and the service life of the die is prolonged;

The positioning device consists of a positioning pin 16 and an end positioning device 15, wherein the positioning pin 16 is provided with two pieces of positioning pins which are respectively arranged in pin holes reserved on the same side of the two pieces of first die inserts 6, each piece of first die insert 6 is provided with one piece of positioning pin 16 which is used for controlling left and right positioning and ensuring that a front wing plate blank 17 in the forming process is positioned in the middle of a die in the left and right direction;

The guide device consists of at least four guide posts 10, the surfaces of the guide posts 10 are provided with mounting holes, the guide posts 10 are fixed on the two sides of the lower die holder 13 through bolts, the guide posts have the functions of ensuring that the upper die holder 1 and the supporting plate 12 do not deviate in the descending process and are completely assembled, the middle space between the guide posts 10 on the two sides of the lower die holder 13 is 4mm larger than the width of the forming part of the upper die holder 1, the mounting height of the guide posts 10 is 2mm lower than the upper height of the supporting plate 12 when the die is in an ejection state, and the guide posts have the functions of facilitating the loading and unloading of parts;

The ejection device comprises a supporting plate 12 and at least three ejection rods 11, wherein the supporting plate 12 is arranged in the middle of a lower die holder 13, the three ejection rods 11 are arranged in holes reserved in the lower die holder 13, a pre-feeding die is in an ejection state, the upper surface of the supporting plate 12 is consistent with the upper surface of a first die insert 6 in height, the supporting plate 12 moves downwards along with a wing plate blank 17 in the descending process of the upper die, and the lifting state is always kept, so that the wing plate blank 17 is prevented from deforming in the forming process.

When the forming die for the front axle wing plate of the mining truck is used, an upper die is mounted on a hydraulic press sliding block, a lower die is mounted on a hydraulic press platform, a hydraulic press is adjusted to lift a supporting plate 12 to the same height of the upper surfaces of two first concave die inserts through three material ejection rods 11, a wing plate blank 17 shown in fig. 3 is piled beside the die, and a mechanical arm grabs the wing plate blank 17 and places the wing plate blank 17 on a plane formed by the two first concave die inserts 6 and the supporting plate 12; tapping the wing plate blank 17 to enable the wing plate blank 17 to lean against two positioning pins 16 in the left-right direction, enabling one end of the wing plate blank 17 to be close to an end positioning device 15 in the front-back direction, enabling a hydraulic press sliding block to descend after operation is completed, enabling the sliding block to drive an upper die to be matched with a lower die, enabling the wing plate blank 17 to be pressed into a wing plate 14, after pressure maintaining is carried out for a period of time, operating the hydraulic press sliding block to ascend, enabling the sliding block to drive the upper die to be far away from the lower die, simultaneously operating the hydraulic press to lift the supporting plate 12 and the wing plate 14 to the maximum height through three ejector rods 11, enabling a manipulator to take out the wing plate 14 from the die and stack the wing plate 14, checking the forming size of the wing plate 14, flexibly selecting gaskets with different thicknesses to be added or reduced on the back surfaces of the second male die insert 3, the third male die insert 4, the second female die insert 7 and the third female die insert 8 according to checking results, adjusting the bending angle and the round angle of the wing plate 14 pressed at the previous time after adjustment is completed, putting the wing plate 14 pressed into the die through the manipulator to be pressed again until checking is qualified, and the wing plate 14 is pressed after being qualified.

It should be understood that technical features that are not specifically described in the present specification belong to the prior art. Although the embodiments of the present utility model have been described in connection with the accompanying drawings, the present utility model is not limited to the above-described embodiments, which are intended to be illustrative only and not limiting, and many more forms can be made by those of ordinary skill in the art without departing from the spirit of the utility model and the scope of the appended claims, which are to be construed as falling within the scope of the utility model.

Claims (4)

1. The forming die for the front axle wing plate of the mining vehicle consists of an upper die and a lower die, and is characterized in that the upper die consists of an upper die holder (1) and a male die insert group, and the lower die consists of a lower die holder (13), a female die insert group, a positioning device, a guiding device and an ejection device;

The male die insert set consists of a first male die insert (2), a second male die insert (3), a third male die insert (4) and a fourth male die insert (5), wherein the number of the first male die insert (2), the second male die insert (3), the third male die insert (4) and the fourth male die insert (5) is two, the first male die insert (2) and the fourth male die insert (5) are fixed on an upper die holder (1), and the second male die insert (3) and the third male die insert (4) are fixed in grooves reserved on the fourth male die insert (5);

The die insert set consists of a first die insert (6), a second die insert (7), a third die insert (8) and a fourth die insert (9), wherein the number of the first die insert (6), the second die insert (7), the third die insert (8) and the fourth die insert (9) is two, the first die insert (6) and the fourth die insert (9) are fixed on a lower die holder (13), and the second die insert (7) and the third die insert (8) are fixed in grooves reserved on the first die insert (6);

the positioning device consists of positioning pins (16) and end positioning devices (15), wherein the number of the positioning pins (16) is two, and the positioning pins are respectively arranged in pin holes reserved on two first die inserts (6);

the guide device consists of at least four guide posts (10), and the guide posts (10) are fixed on two sides of the lower die holder (13);

The ejection device consists of a supporting plate (12) and at least three ejection rods (11), wherein the supporting plate (12) is arranged in the middle of the lower die holder (13), and the three ejection rods (11) are arranged in reserved holes of the lower die holder (13).

2. The forming die for the front axle wing plate of the mining truck according to claim 1, wherein the distance between the outer end surfaces of the two first male die inserts (2) is 180mm shorter than the total length of the wing plate (14), the second male die insert (3) is fixed at the inclined plane straight section position of the fourth male die insert (5), and the third male die insert (4) is fixed at the round corner position of the fourth male die insert (5).

3. The forming die for the front axle wing plate of the mining vehicle according to claim 1, wherein the second die insert (7) is fixed at the round corner position of the first die insert (6), and the third die insert (8) is fixed at the inclined straight section of the first die insert (6).

4. A mould for forming a front axle wing for mining vehicles according to claim 1, characterised in that the guide post (10) is mounted at a height 2mm below the upper height of the pallet (12) when the mould is in the ejected condition.