CN217647307U

CN217647307U - General retooling subassembly of fine blanking die utensil

Info

Publication number: CN217647307U
Application number: CN202221665372.2U
Authority: CN
Inventors: 洪福卿; 尼古拉; 洪汇敏; 陈菊林
Original assignee: Suzhou Yunheng Fine Blanking Technology Co ltd
Current assignee: Suzhou Yunheng Fine Blanking Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-25
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to a general die change plate component of fine blanking die, which is applied to the technical field of fine blanking die, and comprises a die change plate, a movable plate, a dowel bar and a dowel plate, wherein a limit groove matched with the movable plate is arranged inside the upper end of the die change plate, the thickness of the movable plate is smaller than the depth of the limit groove, a limit clamping groove matched with the dowel plate is arranged inside the lower end of the die change plate, the length of the limit groove is larger than that of the limit clamping groove, and the central lines of the limit groove and the dowel plate are positioned on the same straight line; the top end of the dowel bar is fixed at the bottom end of the movable plate, and the bottom end of the dowel bar penetrates through the die changing plate to be fixedly connected with the upper end of the dowel plate; the movable plate is provided with a plurality of T-shaped through holes, and replacement inlet blocks are arranged in the T-shaped through holes; the die change assembly is matched with the fine blanking machine table to apply enough pressure to the fine blanking die, one set of die change assembly is not required to be configured for each fine blanking die, the utilization rate of the fine blanking machine table can be improved, the force transmission range can be enlarged, and the effect of supporting the fine blanking die enough can be achieved.

Description

General die change plate assembly for fine blanking die

Technical Field

The utility model discloses use in essence towards mould technical field, especially relate to a general retooling board subassembly of essence towards mould.

Background

Some of the fine blanking production needs enough positive pressure and enough counter pressure different from a common stamping die, and the positive pressure and the negative pressure of the die are larger and cannot be met by a spring, so that the production must be carried out by a special fine blanking machine. The upper table surface and the lower table surface of the existing fine blanking machine table are respectively provided with a movable pressurizing table disc, the ejector rods in the fine blanking die are all arranged on the movable pressurizing table discs, and the pressure applied by the fine blanking machine table is transmitted into the die through the ejector rods in the fine blanking die, so that the positive pressure and the negative pressure requirements of the die are met.

However, the movable pressurizing table plate in the existing fine blanking machine table has a small structure, is limited in use, can only manufacture parts with simple shapes and simpler stamping process as far as possible, if the product is thin and has a large area or the workpiece needs more processes, the arrangement range of the ejector rods in the die is large, and if the positions of all the required ejector rods in the fine blanking die exceed the size of the movable table plate in the machine table, the die cannot be matched with the machine table for production even if the blanking force of the machine table is enough. The requirement is to design a switching mechanism, enlarge the arrangement range of the ejector rods, fully utilize the existing fine blanking machine table and meet more processing requirements of the fine blanking die.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a general retooling subassembly of fine blanking mould has solved the problem that above-mentioned exists.

In order to achieve the purpose, the utility model adopts the technical proposal that:

the utility model provides a general retooling template assembly of fine blanking die, including retooling template, fly leaf, a plurality of dowel steel and dowel steel, the inside spacing recess that cooperates with the fly leaf that is provided with in the upper end of retooling template, the thickness of fly leaf is less than the degree of depth of spacing recess, the inside spacing draw-in groove that cooperates with the dowel steel that is provided with of lower extreme of retooling template, the length of spacing recess is greater than the length of spacing draw-in groove and the central line of both is located same straight line;

the top end of the dowel bar is fixed at the bottom end of the movable plate, and the bottom end of the dowel bar penetrates through the die changing plate to be fixedly connected with the upper end of the dowel plate;

the movable plate is provided with a plurality of T-shaped through holes, and replacement inlet blocks are arranged in the T-shaped through holes.

The force transmission plate is provided with a placing through hole for placing the supporting cushion block, and the supporting cushion block is fixedly connected with the die changing plate through cushion block screws.

Further, equal-height sleeve holes are formed in the die changing plate and located on two sides of the limiting groove, the equal-height sleeve holes extend into the limiting clamping groove, equal-height screws and springs sleeved on the equal-height screws are arranged in the equal-height sleeve holes, sinking platforms matched with the equal-height screws are arranged in the equal-height sleeve holes, the springs are located between the sinking platforms and the end portions of the equal-height screws, and main body portions of the equal-height screws are fixed on the force transmission plate.

Furthermore, a pushing handle is arranged on one side face of the die changing plate.

Furthermore, the feeding block comprises a supporting block and a stripping block, the supporting block and the stripping block are arranged in a T shape, the height of the supporting block is the same as the depth of the limiting groove, and the height of the stripping block is the same as the thickness of the movable plate.

Because of the application of the technical scheme, compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a general die change plate assembly of fine blanking die, through being provided with removable income piece on the fly leaf, can satisfy the demand of fine blanking die during operation through changing different types of income pieces;

besides, the die changing assembly is installed on the fine blanking die and then fixed on the fine blanking machine, the material pressure and the counter pressure of the fine blanking machine are transferred through the die changing assembly and then transferred into the fine blanking die, the force transferring range can be enlarged through the rectangular movable plate, meanwhile, the force transferring area is enlarged, the distribution range of the die ejector rods can be enlarged, and larger workpieces or continuous dies can be processed to increase more stations. Therefore, the utilization rate of the fine blanking machine can be improved through the matching of the die changing assembly and the fine blanking machine; in addition, the shape and the size of the rectangular movable plate are more in line with the arrangement rule of the actual stamping ejector rod, so that the fine stamping die can be supported sufficiently, and the deformation of the die is reduced; therefore, each fine blanking die is not required to be provided with a set of die changing plate component, and the development cost of the die can be saved.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural view of an assembly relationship between a die change assembly and a fine blanking die and a fine blanking machine in an embodiment of the present invention;

fig. 2 is a schematic structural view of an assembly relationship between a die change assembly provided with a stripping block and a fine blanking machine in an embodiment of the present invention;

fig. 3 is a schematic structural view of an assembly relationship between a die change assembly provided with a support block and a fine blanking machine in an embodiment of the present invention;

fig. 4 is a side sectional view of a die change assembly in an embodiment of the invention.

Wherein the reference numerals are as follows:

1. changing a template; 2. a movable plate; 3. a dowel bar; 4. a force transmission plate; 5. a limiting groove; 6. a limiting clamping groove; 7. a T-shaped through hole; 8. blocking; 81. a support block; 82. stripping a material block; 9. supporting the cushion block; 10. placing the through hole; 11. cushion block screws; 12. an upper die holder; 13. a lower die holder; 14. fine blanking the machine; 141. a machine tool table surface; 142. a pressurizing table; 143. a driving oil cylinder; 1431. a cylinder force rod; 1432. a drive piston; 15. a top rod; 16. equal-height trepanning; 17. an equal-height screw; 18. a spring; 19. sinking a platform; 20. the handle is pushed.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the system or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, for the utility model provides a general retooling plate subassembly of fine blanking die, when this retooling plate subassembly and fine blanking die cooperate and use, need two sets of retooling plate subassemblies this moment, two sets of retooling plate subassemblies are fixed respectively on the upper die base 12 and the lower die base 13 of fine blanking die, assemble the retooling plate subassembly of installing the fine blanking die on fine blanking board 14 afterwards, each set of retooling plate subassembly corresponds a fine blanking board 14, provide sufficient positive, back pressure to the fine blanking die through fine blanking board 14, wherein fine blanking board 14 includes machine tool mesa 141, pressurization platform disc 142 and driving cylinder 143 that slide to set up on machine tool mesa 141; the drive cylinder 143 includes a cylinder force rod 1431 and a drive piston 1432.

Referring to fig. 1 and 2, the die change assembly includes a die change plate 1, a movable plate 2, a plurality of force transmission rods 3 and a force transmission plate 4, a limiting groove 5 matched with the movable plate 2 is arranged inside the upper end of the die change plate 1, the thickness of the movable plate 2 is smaller than the depth of the limiting groove 5, a limiting clamping groove 6 matched with the force transmission plate 4 is arranged inside the lower end of the die change plate 1, the length of the limiting groove 5 is greater than that of the limiting clamping groove 6, and the central lines of the limiting groove 5 and the central line of the limiting groove 6 are located on the same straight line, wherein the shape of the force transmission plate 4 is matched with that of the pressurizing table 142, and the length of the movable plate 2 is greater than that of the force transmission plate 4; the top end of a dowel bar 3 is fixed at the bottom end of the movable plate 2, the bottom end of the dowel bar 3 penetrates through the die changing plate 1 and is fixedly connected with the upper end of a dowel plate 4, the movable plate 2 and the dowel plate 4 are connected into a whole through the dowel bar 3, and the dowel bar can simultaneously and longitudinally reciprocate under the action of driving force; be provided with a plurality of T type through-hole 7 on the fly leaf 2, be provided with the income piece 8 of changing in the T type through-hole 7, the utility model discloses well T type through-hole 7's quantity is four, goes into piece 8 and includes supporting shoe 81 and takes off material piece 82, and supporting shoe 81 all is the T type setting with taking off material piece 82, and supporting shoe 81's height is the same with spacing recess 5's degree of depth, and the height of taking off material piece 82 is the same with the thickness of fly leaf 2.

Further, referring to fig. 2 and 3, the mold changing device further comprises a supporting cushion block 9, a placing through hole 10 for placing the supporting cushion block 9 is formed in the force transmission plate 4, the supporting cushion block 9 is fixedly connected with the mold changing plate 1 through a cushion block screw 11, the supporting force of the mold changing plate 1 can be increased through the supporting cushion block 9, and the deformation of the mold changing plate 1 is reduced; wherein, the cylinder force rod 1431 in the driving cylinder 143 slides through the pressurizing table 142 and is fixed at the bottom end of the supporting cushion block 9, and further plays a supporting role through the cylinder force rod 1431.

Referring to fig. 1 and 2, the present invention is illustrated by installing a die change assembly on the die base 13 and fixing the die change assembly on the fine blanking machine 14 as an example:

when an ejector rod 15 is arranged in the fine blanking die and above the T-shaped through hole 7, an inlet block 8 in the T-shaped through hole 7 needs to have a stripping function, namely, a stripping block 82 is arranged in the T-shaped through hole 7, the upper end of the die changing plate 1 is fixed with the bottom end of a lower die base 13, the ejector rod 15 in the fine blanking die is abutted against the stripping block 82, then the lower die base 13 provided with a die changing assembly is conveyed to a fine blanking machine table 14, the die changing plate 1 is fixed on a machine table 141, a force transmission plate 4 is positioned on a pressurizing table disc 142, when a driving oil cylinder 143 applies an upward thrust, the force is transmitted to a movable plate 2 through a force transmission rod 3, and the movable plate 2 transmits the force to the stripping block 82 through a step surface in the T-shaped through hole 7;

therefore, when the fine blanking die is closed to stamp a product, the movable plate 2 is located inside the limiting groove 5, the ejector rod 15 in the fine blanking die moves downwards, when the fine blanking die finishes stamping, die opening and stripping the product, the driving oil cylinder 143 is started at this time, the driving oil cylinder drives the piston 1432 to move upwards, an upward thrust is applied to the pressurizing table plate 142 and transmitted to the force transmission plate 4, the force transmission plate 4 drives the force transmission rod 3, the movable plate 2 and the stripping block 82 arranged in the movable plate 2 to move upwards simultaneously (the movable plate 2 drives the stripping block 82 to move and the stripping block 82 can be considered as a whole), at this time, the ejector rod 15 in the fine blanking die is driven to move upwards through the stripping plate 82, so that the product is ejected out to achieve the stripping purpose, and when stripping is performed again, the actions are repeated.

Referring to fig. 2 and 3, the movable plate 2 is rectangular, the length and width of the movable plate 2 are 400mm 10006 mm and 240mm, the movable plate 2 with the shape and size can enlarge the arrangement range of the push rods 15 in the fine blanking die, further enlarge the force transmission range, and can machine larger workpieces or add more stations on the fine blanking die, so that the fine blanking die is suitable for developing more workpieces.

Referring to fig. 1 and 3, when the position in the fine blanking die above the T-shaped through holes 7 does not need to be provided with the ejector rods 15, the supporting blocks 81 are installed in the four T-shaped through holes 7 at the moment, because the height of the supporting blocks 81 is the same as the depth of the limiting grooves 5, the bottom ends of the supporting blocks 81 abut against the bottoms of the limiting grooves 5 at the moment, the upper end surfaces of the supporting blocks 81 and the upper end surface of the die changing plate 1 are in a flat state, when the bottom end of the lower die holder 13 abuts against the die changing plate 1, the supporting blocks 81 are in a fixed state at the moment, only the movable plate 2 is pressurized in reciprocating longitudinal motion and is stripped from the die in the stamping process, the supporting blocks 81 are fixed below the lower die holder 13, the die changing plate 1 supports the fine blanking die, so that the lower die holder of the die is supported as much as possible, and the die deformation is reduced.

Further, referring to fig. 4, equal-height sleeve holes 16 are formed in the die changing plate 1 and located on two sides of the limiting groove 5, the equal-height sleeve holes 16 extend into the limiting clamping groove 6, equal-height screws 17 and springs 18 sleeved on the equal-height screws 17 are arranged in the equal-height sleeve holes 16, sinking platforms 19 matched with the equal-height screws 17 are arranged in the equal-height sleeve holes 16, the springs 18 are located between the sinking platforms 19 and the end portions of the equal-height screws 17, and main body portions of the equal-height screws 17 are fixed on the force transmission plate 4. By applying a pulling force to the movable plate 2 under the action of the equal-height screw 17 and the spring 18, the movable plate 2 is completely embedded in the limiting groove 5 under the action of the pulling force, so that the upper end surface of the movable plate 2 and the upper end surface of the template changing plate 1 are in a flat state, and the equal-height purpose is achieved.

Further, referring to fig. 4, a pushing handle 20 is disposed on one side surface of the die changing plate 1, and after the die changing assembly is fixed on the lower die base 13, the die changing assembly and the lower die assembly are pushed onto the fine blanking machine 14 by the pushing handle 20.

In conclusion: therefore, by arranging the replaceable insert block 8 on the movable plate 2, different stress application requirements of the fine blanking die during working can be met by replacing different kinds of insert blocks 8; in addition, the die change assembly is arranged on a fine blanking die and then fixed on a fine blanking machine 14, the pressing force or the counter pressure applied by the fine blanking machine 14 is transferred through the die change assembly and then transferred into the fine blanking die, at the moment, the force transfer range can be enlarged through the rectangular movable plate 2, the force transfer area is also enlarged, the distribution range of the die ejector rods 15 can be enlarged, a larger workpiece can be machined, or more stations can be added on the fine blanking die, and the utilization rate of the fine blanking machine 14 can be improved; in addition, by utilizing the design of the rectangular large-size movable plate 2 with the structure, the stripping block 82 and the supporting block 81 are flexibly switched, so that the die changing plate 1 can be universally used for different dies, and at the moment, each fine blanking die is not required to be provided with a die changing assembly, thereby saving the development cost of the die.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A universal die change plate component for fine blanking dies is characterized by comprising a die change plate, a movable plate, a plurality of force transfer rods and a force transfer plate, wherein a limiting groove matched with the movable plate is formed in the upper end of the die change plate, the thickness of the movable plate is smaller than the depth of the limiting groove, a limiting clamping groove matched with the force transfer plate is formed in the lower end of the die change plate, the length of the limiting groove is larger than that of the limiting clamping groove, and the center lines of the limiting groove and the force transfer plate are located on the same straight line;

the movable plate is provided with a plurality of T-shaped through holes, and the T-shaped through holes are internally provided with replaceable inlet blocks.

2. The universal die changing assembly for the fine blanking die as recited in claim 1, further comprising a supporting cushion block, wherein the force transmission plate is provided with a placing through hole for placing the supporting cushion block, and the supporting cushion block is fixedly connected with the die changing plate through a cushion block screw.

3. The universal die changing plate assembly for the fine blanking die as claimed in claim 1 or 2, wherein equal-height sleeve holes are formed in the die changing plate and located on two sides of the limiting groove, the equal-height sleeve holes extend into the limiting clamping groove, equal-height screws and springs sleeved on the equal-height screws are arranged in the equal-height sleeve holes, sunken platforms matched with the equal-height screws are arranged in the equal-height sleeve holes, the springs are located between the sunken platforms and the ends of the equal-height screws, and main body portions of the equal-height screws are fixed on the force transmission plate.

4. The fine blanking die universal die change plate assembly of claim 3 wherein a push handle is provided on a side of the die change plate.

5. The universal die change plate assembly for fine blanking dies according to claim 4, wherein the inlet block comprises a supporting block and a stripping block, the supporting block and the stripping block are both arranged in a T shape, the height of the supporting block is the same as the depth of the limiting groove, and the height of the stripping block is the same as the thickness of the movable plate.