Universal die holder for trial-manufacture of automobile stamping die
Technical Field
The utility model relates to a die holder, in particular to a universal die holder for trial-manufacturing an automobile stamping die.
Background
With the development of times, the period of new vehicle models of each whole factory to be listed is shorter and shorter. Similarly, the development cycle of the prototype vehicle is compressed once. The whole vehicle development is shortened to two months at present from one quarter two years ago, and the stamping development is also shortened to 40 days at present or less than 40 days from two months at two years ago. Therefore, in the sample vehicle trial production development process, the shortening of the development cycle of each link is of great significance. Therefore, the prototype industry prioritizes development cycle time, as well as development cost.
Compared with a mass production stamping die, the trial-manufacture automobile stamping die is simplified in structure so as to achieve the purpose of controlling the cost of the die. Therefore, the trial-manufacture automobile stamping die reduces the die cost as much as possible in process formulation, stamping process design and die manufacturing. The trial-manufacture of the automobile stamping die has the advantages that due to low yield, the lower the die height is, the better the die weight is, and the smaller the die size is, the better the die weight is. The punching process is usually completed on a press, the most common press is 800-2400 tons, and the strokes of the punch presses of the press are all dead by a crankshaft, and the general stroke is 300-500 MM; because the mould size is little and highly low, and the clamp plate height is fixed, and the distance between clamp plate and the workstation is great, and the installation demand of mould punching press can not be satisfied in the punching press stroke. Therefore, it is necessary to design a universal base plate for a stamping die to increase the height of the stamping die, so as to meet the requirement of stamping installation of the die on a press.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a universal die holder for trial-manufacturing an automobile stamping die, which is matched with the stamping die to increase the die height so as to meet the requirement of the mounting height of the stamping die in a press, can be used together by a plurality of groups of dies, reduces the manufacturing cost and shortens the production period.
The utility model provides a general die holder for trial-manufacturing an automobile stamping die, which adopts the technical scheme that the general die holder comprises an upper die holder and a lower die base plate, wherein the upper die holder and the lower die base plate are rectangular, the upper die holder comprises an upper plate and a lower plate, the upper plate and the lower plate are connected through a fixing block, and upper die mounting holes are formed in the upper plate and the lower plate; and a lower die mounting hole and a die stamping ejector rod avoidance hole are formed in the lower die base plate.
Furthermore, the upper plate and the lower plate are same in size and are arranged in an aligned mode, the upper die mounting holes are multiple, and the upper die mounting holes are arranged on the upper plate or the lower plate in an array mode.
Further, the upper die mounting hole is a stepped hole, the outer diameter of the upper die mounting hole is smaller than the inner diameter of the upper die mounting hole, and the upper die mounting hole of the upper plate and the upper die mounting hole of the lower plate are symmetrically arranged.
Further, the hole is dodged to mould punching press ejector pin is a plurality of, and is a plurality of the hole is dodged to mould punching press ejector pin is the array setting on the lower mould backing plate, the hole is dodged to mould punching press ejector pin is the through-hole.
Furthermore, the number of the lower die mounting holes is multiple, the lower die mounting holes are arranged on the lower die base plate in an array mode, and the lower die mounting holes and the die stamping ejector rod avoidance holes are arranged in a staggered mode; the lower die mounting hole is a stepped hole, and the diameter of the lower side of the lower die mounting hole is smaller than that of the upper side of the lower die mounting hole.
Furthermore, the fixed blocks are multiple, the length of the fixed blocks is consistent with the width of the upper plate, and the fixed blocks are arranged at equal intervals along the length direction of the upper plate.
Furthermore, the upper die base and the lower die base plate are consistent in length, the width of the upper die base is smaller than that of the lower die base plate, and the upper die base is arranged in the center above the lower die base plate.
Furthermore, hanging rods are arranged above four corners of the lower die base plate; and hanging rods are arranged on two sides of the surface, close to each other, of the upper plate and the lower plate.
Compared with the prior art, the utility model has the following beneficial effects: according to the universal die holder for trial-manufacturing the automobile stamping die, the upper die holder is connected with the upper die, and the lower die base plate is used for fixing the upper die and increasing the heights of the upper die and the lower die, so that the die meets the installation requirement of a press; the upper die base is provided with the upper die mounting hole in an array mode, the lower die base plate is provided with the lower die mounting hole in an array mode and the die stamping ejector rod avoidance hole in an array mode, the installation and use requirements of various dies are met, the production cost of the dies is reduced, the production time and the assembly and debugging time are shortened, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a general die holder for trial-manufacturing an automobile stamping die according to an embodiment of the present invention;
FIG. 2 is a top view of the upper die holder of the embodiment of the utility model;
FIG. 3 is a cross-sectional view of an upper die holder in accordance with an embodiment of the present invention;
FIG. 4 is a top view of a lower die shim plate according to an embodiment of the present invention.
In the figure:
1. a lower die base plate; 2. an upper plate; 3. a lower plate; 4. a fixed block; 5. mounting holes of an upper die; 6. a lower die mounting hole; 7. punching an ejector rod avoidance hole by using a die; 8. and (4) hanging the rod.
Detailed Description
The utility model is further described below with reference to the figures and examples.
Fig. 1 is a schematic structural view of a general die holder for trial-manufacturing an automobile stamping die according to an embodiment of the present invention; fig. 2 is an exploded view of a universal die holder for trial-manufacture of an automobile stamping die according to an embodiment of the present invention.
Referring to fig. 1 and 2, the universal die holder for trial-manufacturing the automobile stamping die according to the embodiment of the utility model includes an upper die holder and a lower die backing plate 1, the upper die holder and the lower die backing plate 1 are both rectangular, the upper die holder includes an upper plate 2 and a lower plate 3, the upper plate 2 and the lower plate 3 are connected through a fixing block 4, and upper die mounting holes 5 are formed in the upper plate 2 and the lower plate 3; the lower die base plate 1 is provided with a lower die mounting hole 6 and a die stamping ejector rod avoidance hole 7.
Specifically, the upper die holder and the lower die base plate 1 are consistent in length, the width of the upper die holder is smaller than that of the lower die base plate 1, and the upper die holder is arranged in the center above the lower die base plate 1.
Referring to fig. 2, in the universal die holder for trial-manufacturing the automobile stamping die according to the embodiment of the present invention, the upper plate 2 and the lower plate 3 have the same size and are aligned, a plurality of upper die mounting holes 5 are provided, and the plurality of upper die mounting holes 5 are arranged in an array on the upper plate 2 or the lower plate 3. The sufficient and evenly distributed of quantity of mould mounting hole 5 is gone up in the assurance, is convenient for with the cooperation installation of multiple mould.
Referring to fig. 3, in the universal die holder for trial-manufacturing the automobile stamping die according to the embodiment of the utility model, the upper die mounting hole 5 is a stepped hole, and the outer diameter of the upper die mounting hole 5 is smaller than the inner diameter, so that the upper die is conveniently connected to the upper die through a bolt; the upper die mounting holes 5 of the upper plate 2 and the upper die mounting holes 5 of the lower plate 3 are symmetrically arranged; the upper plate 2 and the lower plate 3 can be exchanged universally, and when the upper die base is used, the direction of the upper plate 2 and the direction of the lower plate 3 do not need to be confirmed when the upper die base is installed, so that the upper die base is more convenient to use.
Specifically, the number of the fixing blocks 4 is multiple, the length of the fixing blocks 4 is consistent with the width of the upper plate 2, and the fixing blocks 4 are arranged at equal intervals along the length direction of the upper plate 2.
Referring to fig. 4, in the universal die holder for trial-manufacturing the automobile stamping die according to the embodiment of the present invention, a plurality of die stamping ejector rod avoidance holes 7 are provided, the plurality of die stamping ejector rod avoidance holes 7 are arranged in an array on the lower die base plate 1, and the die stamping ejector rod avoidance holes 7 are through holes; the number of the lower die mounting holes 6 is multiple, the lower die mounting holes 6 are arranged on the lower die base plate 1 in an array mode, and the lower die mounting holes 6 and the die stamping ejector rod avoidance holes 7 are arranged in a staggered mode; the sufficient and evenly distributed of the quantity of the lower die mounting holes 6 and the die stamping ejector rod avoiding holes 7 is ensured, and the lower die mounting holes and the die stamping ejector rod avoiding holes are convenient to be mounted in cooperation with various dies. The lower die mounting hole 6 is a stepped hole, and the diameter of the lower side of the lower die mounting hole 6 is smaller than that of the upper side, so that the lower die can be fixed through bolts conveniently.
Preferably, the hanging rods 8 are arranged above the four corners of the lower die base plate 1; the two sides of the side, close to each other, of the upper plate 2 and the lower plate 3 are provided with hanging rods 8, so that the mould can be conveniently installed and then hoisted.
When the universal die holder for trial-manufacturing the automobile stamping die is actually used, the lower die is fixed above the lower die base plate 1 through the bolts; mounting the lower die base plate 1 provided with the lower die on a workbench of a press; and fixing the upper die on the lower plate 3 of the upper die holder through bolts, installing the upper die holder with the upper die on a pressing plate of a press, and arranging the upper die holder and the lower die base plate 1 correspondingly to finish the installation.
In a specific embodiment, the height of the upper die base is 340mm, so that the height of the upper die is increased by 340 mm; the height of the lower die base plate 1 is 70mm, so that the height of the lower die is increased by 70 mm. The problem of the die height not enough, the installation demand of die punching press can not be satisfied to the punching press stroke is solved.
In summary, in the universal die holder for trial-manufacturing the automobile stamping die according to the embodiment of the utility model, the upper die holder is connected with the upper die, and the lower die base plate 1 fixes the upper die to increase the heights of the upper die and the lower die, so that the die meets the installation requirements of the press; the upper die base is provided with upper die mounting holes 5 in an array mode, the lower die base plate 1 is provided with lower die mounting holes 6 in an array mode and die stamping ejector rod avoiding holes 7 in an array mode, the installation and use requirements of various dies are met, the production cost of the dies is reduced, the production time and the assembly and debugging time are shortened, and the production efficiency is improved.
Although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.