CN217451676U - Prevent drawing die of yawing force - Google Patents
Prevent drawing die of yawing force Download PDFInfo
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- CN217451676U CN217451676U CN202220952815.XU CN202220952815U CN217451676U CN 217451676 U CN217451676 U CN 217451676U CN 202220952815 U CN202220952815 U CN 202220952815U CN 217451676 U CN217451676 U CN 217451676U
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- lateral force
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Abstract
The utility model provides a prevent drawing die of yawing force, include lower mould, blank holder, go up the mould, prevent the yawing force subassembly, but blank holder portable connection goes up the mould and is located the blank holder top in the lower mould, just the lower mould cooperatees with last mould, prevent yawing force subassembly one side connect in the blank holder, prevent the opposite side of yawing force subassembly connect in go up the mould, in order to prevent workpiece profile off tracking between blank holder and the last mould. The utility model discloses can prevent the profile off tracking with the yawing force and the revolving force homodisperse of blank holder and four directions of last mould, improve the appearance quality of part. The device of the utility model is simple in structure, easily installation is dismantled, and it is convenient to maintain.
Description
Technical Field
The utility model relates to a drawing die manufacturing and designing technical field, in particular to prevent drawing die of yawing force.
Background
The existing traditional drawing die structure has no lateral force prevention device, and has the following problems: when the stamping part with large height drop is pulled and delayed, larger lateral force can be generated, so that the problems of profile deviation, part crushing and the like when the male upper die is closed are caused, and the appearance quality of the stamping part is influenced; the deviation of the molded surface caused by the lateral force can cause the extrusion of the characteristic surface of the die, reduce the precision of the die and prolong the service life of the die; the deviation of the molded surface can also cause the abrasion of a guide plate between the upper die and the blank holder to be aggravated, and the replacement frequency and the cost of the standard part are increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent drawing die of yawing force, prevent the yawing force subassembly through the increase, can prevent the profile off tracking with the yawing force and the revolving force homodisperse of blank holder and last mould, improve the quality and the mould precision of part.
For realizing the purpose of the utility model, the utility model adopts the following technical scheme:
according to an aspect of the utility model, a prevent drawing die of yawing force is provided, include: lower mould, blank holder, go up the mould, prevent the yawing force subassembly, blank holder movable connection is in the lower mould, it is located the blank holder top to go up the mould, just the lower mould cooperatees with last mould, prevent one side of yawing force subassembly connect in the blank holder, prevent the opposite side of yawing force subassembly connect in go up the mould, in order to prevent the work piece profile off tracking between blank holder and the last mould.
According to the utility model discloses an embodiment, wherein, prevent the tendency force subassembly including preventing yawing force key installation piece, preventing the yawing force key, preventing the yawing force concave station, prevent the bottom rigid coupling of yawing force key installation piece in the blank holder, prevent the yawing force key rigid coupling in prevent the yawing force key installation piece, prevent the yawing force concave station rigid coupling in go up the mould, just prevent the yawing force concave station with prevent the yawing force key and correspond, so that prevent the top of yawing force key and insert prevent the yawing force concave station.
According to the utility model discloses an embodiment, wherein, prevent that the top of yawing force key installation piece is equipped with first recess downwards, prevent that the yawing force concave station includes the second recess, prevent the one end rigid coupling of yawing force key in first recess, prevent that the other end of yawing force key inserts the second recess, the second recess with prevent that the yawing force key matches.
According to the utility model discloses an embodiment, wherein, prevent that inclined power subassembly is 4, 4 prevent that inclined power subassembly is located the four corners of drawing die respectively.
According to the utility model discloses an embodiment, wherein, prevent the yawing force key for the cuboid, adjacent two prevent the central line mutually perpendicular of yawing force key.
According to the utility model discloses an embodiment, wherein, prevent the side force key orientation the side of lower mould bottom surface is triangle-shaped, hexagon, circular one.
According to an embodiment of the present invention, wherein the side force prevention key is provided with a chamfer α at the top thereof, wherein α is greater than or equal to 30 ° and less than or equal to 60 °.
According to the utility model discloses an embodiment, wherein, the height of lateral force preventing key is greater than the degree of depth of first recess.
According to the utility model discloses an embodiment, wherein, prevent the height of yawing force key with the difference of the degree of depth of first recess is h, wherein 10mm is less than or equal to h and is less than or equal to 30 mm.
The utility model provides an embodiment has following advantage or beneficial effect:
the utility model discloses an increase and prevent tendency power subassembly, can prevent the profile off tracking with the yawing force and the revolving force homodisperse of blank holder and last mould, improved the appearance quality of part, mould precision and life. The device of the utility model is simple in structure, easily installation is dismantled, and it is convenient to maintain.
Drawings
The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 is a schematic illustration of a lateral force resistant draw die shown in accordance with an exemplary embodiment.
FIG. 2 is a schematic diagram illustrating the attachment of an upper die to a lateral force prevention pocket, according to an exemplary embodiment.
FIG. 3 is a schematic illustration of the connection of an anti-tipping force assembly according to an exemplary embodiment.
Wherein the reference numerals are as follows:
1. a lower die; 2. a blank holder; 3. an upper die; 4. an anti-tendency force assembly; 41. a lateral force preventing key mounting block; 42. a lateral force prevention key; 43. prevent lateral force concave station.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.
As shown in fig. 1 to 3, fig. 1 is a schematic diagram of a drawing die for preventing lateral force according to the present invention. Fig. 2 shows the connection schematic diagram of the upper die and the lateral force preventing concave station provided by the utility model. Fig. 3 shows a connection diagram of the anti-roll force assembly provided by the present invention.
The utility model discloses prevent drawing die of yawing force (as shown in fig. 1-3), including lower mould 1, blank holder 2, go up mould 3, prevent tendency power subassembly 4, wherein, blank holder 2 portable connection is in lower mould 1, goes up mould 3 and is located blank holder 2 top and goes up mould 3 and lower mould 1 and cooperate, prevents that one side of inclining to power subassembly 4 connects in blank holder 2, prevents that the opposite side of inclining to power subassembly 4 connects in last mould 3 to prevent blank holder 2 and last mould 3 between the work piece profile off tracking. In the implementation, when the drawing die is produced, firstly, the upper die 3 is contacted with the blank holder 2, and then the inclination force preventing component 4 is contacted with a workpiece; then the upper die 3 and the material pressing ring 2 press the workpiece. Prevent tendency power subassembly 4 can be with going up mould 3 and blank holder 2's lateral force and revolving force homodisperse, prevent that the profile off tracking from influencing part quality and mould precision. In this embodiment, lower mould 1 is equipped with the baffle, and blank holder 2 overlaps on the baffle, leads blank holder 2 through the baffle, and lower mould 1, baffle, blank holder 2 and last mould 3 are prior art, consequently do not going on the structure and the connected mode to its structure and description one by one.
In a preferred embodiment of the present invention, the anti-leaning force assembly 4 as shown in fig. 3 includes an anti-lateral force key installation block 41, an anti-lateral force key 42, an anti-lateral force concave 43, the bottom of the anti-lateral force key installation block 41 is fixedly connected to the blank holder 2, the anti-lateral force key 42 is fixedly connected to the anti-lateral force key installation block 41, the anti-lateral force concave 43 is fixedly connected to the upper die 3, the anti-lateral force concave 43 is corresponding to the anti-lateral force key 42, so that the anti-lateral force concave 43 is inserted into the top of the anti-lateral force key 42. In this embodiment, this structure is simple through preventing that lateral force key 42 inserts concave station 43 and then with lateral force and revolving force homodisperse, prevents that the profile off tracking from influencing the part quality, rational in infrastructure, easy operation can improve the mould precision.
In a preferred embodiment of the present invention, the lateral force preventing key mounting block 41 shown in fig. 3 has a first groove formed downward at the top thereof, the lateral force preventing recessed platform 43 includes a second groove, one end of the lateral force preventing key 42 is fixedly connected to the first groove, the other end of the lateral force preventing key 42 is inserted into the second groove, and the second groove is matched with the lateral force preventing key 42. Through preventing lateral force key 42 and inserting the second recess, prevent the profile off tracking, simple structure easily installs the dismantlement, maintains the maintenance convenience.
In a preferred embodiment of the present invention, the number of the inclination prevention force components 4 shown in fig. 1 to 3 is 4, and the 4 inclination prevention force components 4 are respectively located at four corners of the lateral force prevention drawing die in this embodiment. In this embodiment, the lateral force preventing key mounting blocks 41, the lateral force preventing keys 42, and the lateral force preventing recessed platforms 43 are in a one-to-one correspondence relationship, so the lateral force preventing key mounting blocks 41, the lateral force preventing keys 42, and the lateral force preventing recessed platforms 43 are also 4, wherein the 4 lateral force preventing key mounting blocks 41 are respectively mounted at four corners of the blank holder 2, the bottoms of the lateral force preventing keys 42 are fixedly connected to the lateral force preventing key mounting blocks 41, and the 4 lateral force preventing recessed platforms 43 are respectively located at four corners of the upper die 3. The four corners of the drawing die for preventing the lateral force are distributed on the 4 anti-tendency force components, the area for preventing the lateral force is the whole area for the upper die 3 and the blank holder 2, the area is large, the lateral force and the rotating force in the four corners in the directions are uniformly dispersed, the molded surface deviation can be prevented, and the appearance quality of a product is improved.
In a preferred embodiment of the present invention, the lateral force preventing keys 42 shown in fig. 1-2 are rectangular solids, wherein the central lines of two adjacent lateral force preventing keys 42 are perpendicular to each other. This implementation prevent that the central line of side force key 42 is the long limit place direction of side force key 42, this structure can prevent the profile off tracking with the side force and the revolving force homodisperse of four directions, improves the part quality, improves the precision of mould.
In a preferred embodiment of the present invention, the lateral force preventing keys 42 shown in fig. 3 are all blocks, and the side of the lateral force preventing keys 42 facing the bottom surface of the lower mold 1 is one of a triangle, a rectangle, a hexagon and a circle. Practice shows that when the cross section of the lateral force preventing key 42 is rectangular or hexagonal, the lateral force and the rotating force are dispersed more uniformly and better, and the product quality and the appearance are better.
In a preferred embodiment of the present invention, the side force prevention key 42 shown in fig. 3 is provided with a chamfer α at the top thereof, wherein α is greater than or equal to 30 ° and less than or equal to 60 °. The lateral force preventing key 42 can be smoothly inserted into the lateral force preventing concave platform 43, deviation is prevented, and the structure is more reasonable.
In a preferred embodiment of the present invention, the lateral force preventing groove 43 is formed such that the height of the lateral force preventing key 42 is greater than the depth of the first groove as shown in fig. 3, so that the lateral force preventing key 42 can uniformly disperse the lateral force and the rotational force of the component.
In a preferred embodiment of the present invention, the difference between the height of the lateral force preventing key 42 shown in fig. 3 and the depth of the first groove is h, wherein h is greater than or equal to 10mm and less than or equal to 30 mm. The preferred 20mm lateral force prevention key 42 is within this range to best effect part stamping.
The specific implementation principle is that, as shown in fig. 1-3, when the drawing die is produced, the upper die 3 is firstly contacted with the blank holder 2, then the lateral force preventing key 42 is inserted into the lateral force preventing concave table 43, so that the anti-inclination force component 4 is contacted with the part, and then the blank holder 2 and the upper die 3 compress the part. In the stamping process, prevent mutually supporting of lateral force key 42 and second recess, can be with going up the lateral force and the revolving force homodisperse of 4 directions of mould 3 and blank holder 2, improved the appearance quality of part, improved mould precision and life.
The utility model discloses the device simple structure, easily installation is dismantled, and it is convenient to maintain.
In the embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific position, and thus, should not be construed as limiting the embodiments of the present invention.
In the description herein, the description of the terms "one embodiment," "a preferred embodiment," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.
Claims (9)
1. A lateral force resistant drawing die, comprising:
a lower die (1);
the blank holder (2) is movably connected to the lower die (1);
the upper die (3) is positioned above the blank holder (2) and matched with the lower die (1);
and one side of the anti-inclination force component (4) is connected with the blank holder (2), and the other side of the anti-inclination force component is connected with the upper die (3) so as to prevent the deviation of the profile of the workpiece between the blank holder (2) and the upper die (3).
2. Drawing die for lateral force prevention according to claim 1, characterized in that the assembly for lateral force prevention (4) comprises:
the bottom of the anti-lateral force key mounting block (41) is fixedly connected to the blank holder (2);
a lateral force prevention key (42) fixedly connected to the lateral force prevention key mounting block (41);
and the lateral force preventing concave platform (43) is fixedly connected to the upper die (3) and corresponds to the lateral force preventing key (42), so that the top of the lateral force preventing key (42) is inserted into the lateral force preventing concave platform (43).
3. The lateral force preventing drawing die as defined in claim 2, wherein a first groove is formed at the top of the lateral force preventing key mounting block (41) and downward, the lateral force preventing recess (43) comprises a second groove, one end of the lateral force preventing key (42) is fixedly connected to the first groove, the other end of the lateral force preventing key (42) is inserted into the second groove, and the second groove is matched with the lateral force preventing key (42).
4. Drawing die of lateral force prevention according to claim 3, characterized in that the number of the inclination force prevention components (4) is 4, and 4 inclination force prevention components (4) are respectively positioned at four corners of the drawing die.
5. The lateral force preventing drawing die as defined in claim 4, wherein the lateral force preventing keys (42) are rectangular parallelepipeds, and the center lines of two adjacent lateral force preventing keys (42) are perpendicular to each other.
6. Drawing die of lateral force prevention according to claim 4, characterized in that the side of the lateral force prevention key (42) towards the bottom surface of the lower die (1) is one of triangular, hexagonal, circular.
7. Drawing die for lateral force prevention according to claim 6, characterised in that the top of the lateral force prevention key (42) is provided with a chamfer angle α, wherein 30 ° ≦ α ≦ 60 °.
8. Drawing die of the lateral force prevention according to claim 3, characterized in that the height of the lateral force prevention key (42) is greater than the depth of the first groove.
9. Drawing die for lateral force prevention according to claim 8, characterised in that the difference between the height of the lateral force prevention key (42) and the depth of the first groove is h, wherein h is 10mm ≦ 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220952815.XU CN217451676U (en) | 2022-04-24 | 2022-04-24 | Prevent drawing die of yawing force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220952815.XU CN217451676U (en) | 2022-04-24 | 2022-04-24 | Prevent drawing die of yawing force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217451676U true CN217451676U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220952815.XU Active CN217451676U (en) | 2022-04-24 | 2022-04-24 | Prevent drawing die of yawing force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217451676U (en) |
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- 2022-04-24 CN CN202220952815.XU patent/CN217451676U/en active Active
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