Overcome mould structure of changeable terrace die dead weight
Technical Field
The utility model relates to the related technical field of dies, in particular to a die structure capable of overcoming the self weight of a switchable male die.
Background
The shaft hole of several kinds of specifications can appear in same style product in motor core usually, and different compound mode can appear according to the actual demand of motor, to this kind of condition, usually in mould design and manufacturing process, often can design the shaft hole of multiple model in same set of mould, generally will all adopt manual control to take out the mode that board and cylinder control were taken out and are combined together for the convenience mould production and use.
However, in practical use, due to the fact that the shaft hole of some products is too large, even if the male die retracts to be inoperative, a pit or an indentation is formed in the product or the strip due to too large self weight, so that the product is poor, in this case, the clearance of the discharging plate where the shaft hole is located is reduced, and the male die is hopefully clamped not to fall downwards due to too small clearance;
the following 2-way problems are easily encountered:
1. the shaft hole with the undersized gap does not return, and the shaft hole cannot be switched to a shape changing result or returns after being punched for several times;
2. the die can retract initially, but shaft hole indentation appears after a period of production due to the influence of stamping inertia, so that a die structure overcoming the self weight of the switchable male die is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a die structure capable of overcoming the self weight of a switchable male die, and aims to solve the problems that in a general management system provided in the background art, an excessively small gap shaft hole does not return, the shaft hole cannot be switched to change the shape or returns after being punched for several times, and the shaft hole can initially return, but the shaft hole indentation occurs after a period of production due to the influence of stamping inertia.
In order to achieve the purpose, the utility model provides the following technical scheme: a die structure for overcoming the self weight of a switchable male die, comprising:
the right side wall of the upper die holder is attached with a drawing plate main body, and the right side of the drawing plate main body is clamped with a drawing plate group;
the cylinder group is installed and connected at the right side of the upper end of the drawing plate group;
the upper cushion block is installed and connected to the right side wall inside the upper die base, a screw body penetrates through the inside of the upper cushion block, and springs are installed and connected to the upper side and the lower side of the screw body;
the male die body is connected to the unloading and fixing plate through the unloading plate in an installing mode, the sliding block is tightly attached to the left side of the male die body, and meanwhile the male die body and the sliding block are both connected with the screw body in a penetrating mode.
By adopting the technical scheme, one or more springs with the weight larger than the dead weight of the male die are additionally arranged above the male die, the springs are connected with the male die by the equal-height sleeves, the springs are compressed and stressed when the male die works, and quickly return under the action of the spring force when the male die does not work, and after a structure for overcoming the dead weight of the male die is added, the product is not pressed or impressed through the shaft hole.
As a preferable technical scheme of the present invention, the lower end of the pulling plate group is connected with the pulling plate main body in a clamping manner, the pulling plate main body and the pulling plate group are fixedly installed and connected through bolts, the lower end surface of the pulling plate main body is in a concave-convex structure, and the lower surface of the pulling plate main body is connected with the sliding block in a clamping manner.
Through adopting above-mentioned technical scheme, because take out the lower extreme of board group and take out the block between the board main part and be connected, and take out the board main part and take out all to carry out erection joint through the bolt between the board group and fix, the convenience is to taking out the board main part and taking out the board group and connect the installation, also convenient to detach changes simultaneously, facilitates the use.
As a preferred technical scheme, the middle of the sliding block is connected with a screw body in a penetrating mode, the screw body is installed and connected on the upper die base through an upper cushion block, meanwhile, the left end of the screw body is installed and connected with an equal-height sleeve, and a spring is installed and connected between the equal-height sleeve and the upper cushion block.
Through adopting above-mentioned technical scheme, because the middle part through connection of slider has the screw body, and the screw body passes through the upper cushion block erection joint on the upper die base, the connection screw body of easy to assemble to be convenient for carry out erection joint, be convenient for utilize the elastic force of spring to the spring.
As a preferred technical scheme of the utility model, the sliding block is installed and connected on the right side surface of the upper die base through a convex backing plate, the convex backing plate is connected with the sliding block in a clamping manner, meanwhile, the right side of the convex backing plate is tightly attached with a convex fixing plate, and the lower end of the fixing-detaching plate is connected and fixed with the upper die base through a bolt;
the convex fixing plate is connected with the convex die body in a penetrating manner, and the convex fixing plate is installed and connected on the dismounting fixing plate through bolts.
Through adopting above-mentioned technical scheme, because the connected mode between protruding backing plate and the slider is connected for the block, be convenient for connect the installation between protruding backing plate and the slider, facilitate the use.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the slide block and the drawing plate main body are arranged, and the slide block and the drawing plate main body are in clamping connection, so that the drawing plate main body is conveniently and tightly arranged on the slide block, the drawing plate main body is conveniently connected with the fixing and detaching plate, and the drawing plate group is conveniently connected and arranged on the fixing and detaching plate through the drawing plate main body, and the use is convenient;
2. according to the utility model, the spring and the male die body are arranged, the spring is installed and connected to the upper side and the lower side of the screw body through the equal-height sleeves, and meanwhile, the spring is connected with the male die body through the screw body, so that the elastic stress condition of the spring can be conveniently adjusted when the male die body works, a product can be conveniently protected, the product is prevented from being damaged by extrusion, and the use is convenient;
3. according to the utility model, the pumping plate group and the pumping plate main body are arranged, the pumping plate group and the pumping plate main body are in clamping connection, and meanwhile, the pumping plate group and the pumping plate main body are in installation connection through the bolts, so that the cylinder group is conveniently installed and connected on the upper die base, and the working and the use are convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of a front sectional structure of the screw body and the spring according to the present invention;
FIG. 3 is a schematic view of the connection structure of the pulling plate set and the pulling plate main body according to the present invention;
FIG. 4 is a schematic side sectional view of the present invention;
FIG. 5 is a schematic diagram of the side view structure of the male die body and the slide block connection of the present invention.
In the figure: 1. an upper die holder; 2. disassembling the fixed plate; 3. a stripper plate; 4. a cylinder group; 5. a plate drawing group; 6. a screw body; 7. an equal-height sleeve; 8. a spring; 9. an upper cushion block; 10. a convex backing plate; 11. a convex fixing plate; 12. a male die body; 13. a slider; 14. and drawing the plate main body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: a die structure capable of overcoming the self weight of a switchable male die comprises an upper die base 1, a discharging plate 2, a discharging plate 3, a cylinder group 4, a drawing plate group 5, a screw body 6, an equal-height sleeve 7, a spring 8, an upper cushion block 9, a convex cushion plate 10, a convex fixing plate 11, a male die body 12, a sliding block 13 and a drawing plate main body 14.
By adopting the technical scheme, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the lower end of the upper die holder 1 is connected with the lower end of the fixing and detaching plate 2 through bolts, then the cylinder group 4 is installed and connected on the drawing plate group 5, the male die body 12 is installed and connected inside the fixing and detaching plate 2 through the discharging plate 3, the screw body 6 is connected inside the upper die holder 1 through the upper cushion block 9, the upper cushion block 9 is combined with the equal-height sleeve 7 to facilitate the installation and connection of the spring 8, and the upper die holder 1 is connected with the fixing and detaching plate 2 through the male cushion plate 10 and the male fixing plate 11, so that the drawing plate main body 14 and the slide block 13 can be spliced and connected conveniently, the assembly is completed conveniently, and the use is convenient;
the screw body 6 is connected with the male die body 12 through the equal-height sleeve 7, a screw hole is formed in one end of the male die body 12, a sliding block 13 is arranged behind the male die body 12, the sliding block 13 is matched with the plate drawing main body 14 through a convex groove, the working state of the male die body 12 can be achieved under the control of the cylinder group 4, the spring 8 is installed on the outer surface of the equal-height sleeve 7, and the model selection of the spring 8 is completed through the mass calculation of the male die body 12 and the working stroke of the male die body 12;
when the cylinder group 4 is instructed by the punch to retreat backwards to place, the convex die body 12 is ejected out to be in a working state, the spring 8 is connected with the convex die body 12 through the equal-height sleeve 7, the spring 8 is compressed to generate stress, when the cylinder group 4 is instructed to move forwards to place, the convex die body 12 can retreat rapidly to place under the acting force of the spring 8, and no through-shaft hole impression or indentation appears on a product, so that the product is protected and is convenient to use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.