CN218310526U - Liftout device and stamping die - Google Patents
Liftout device and stamping die Download PDFInfo
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- CN218310526U CN218310526U CN202222415139.5U CN202222415139U CN218310526U CN 218310526 U CN218310526 U CN 218310526U CN 202222415139 U CN202222415139 U CN 202222415139U CN 218310526 U CN218310526 U CN 218310526U
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- ejector
- die
- ejection
- stamping
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000004891 communication Methods 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 41
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 34
- 230000008569 process Effects 0.000 abstract description 29
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 12
- 230000001174 ascending effect Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application relates to the technical field of stamping die, provides an liftout device and stamping die, wherein, the liftout device includes: the blank holder is provided with a plurality of first communication holes; the male die is limited with a plate stamping area; the blank holder is provided with a plurality of first communication holes, and the middle part of the blank holder is provided with an accommodating space for accommodating the male die; the ejection mechanism is movably arranged in the convex die and is positioned in the plate stamping area; the ejector rod mechanism comprises a plurality of first ejector rods and a driving mechanism connected with the first ejector rods, the driving mechanism is suitable for driving the first ejector rods to be correspondingly inserted into the first communication holes, the upper ends of the first ejector rods protrude out of the bottom of the male die, one of the first ejector rods is suitable for abutting against the bottom of the ejecting mechanism, and the ejecting mechanism is driven to ascend or descend relative to the male die. Through the technical scheme, the stability of the sheet metal stamping process can be improved, and the quality of sheet metal stamping manufacture is improved.
Description
Technical Field
The application relates to the technical field of stamping dies, in particular to a material ejecting device and a stamping die.
Background
The stamping die for the automobile fender and other sheet materials is of a shape with a convex middle part and concave two sides. In the stamping process, due to the action of the self gravity of the plate and the shape of the die, the middle of the plate is contacted, the edge part can droop under the action of the gravity, the plate is wrinkled and deformed, and the quality defect is formed by stamping. Meanwhile, the existing stamping die is generally a pneumatic ejection device, the pneumatic device is limited by the stability of a gas circuit, and when the gas circuit breaks down, the die collides with the ejection device and is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide an ejection device and a stamping die, which are used for improving the stability of a sheet material stamping process and improving the quality of sheet material stamping manufacture.
In a first aspect, an embodiment of the present application provides an ejection device, including: the male die is limited with a plate stamping area; the blank holder is provided with a plurality of first communication holes, and the middle part of the blank holder is provided with an accommodating space for accommodating the male die; the material ejecting mechanism is movably arranged in the convex die and is positioned in the plate stamping area; the ejector rod mechanism comprises a plurality of first ejector rods and a driving mechanism connected with the first ejector rods, the driving mechanism is suitable for driving the first ejector rods to be correspondingly inserted into the first communication holes, the upper ends of the first ejector rods protrude out of the bottom of the male die, one of the first ejector rods is suitable for abutting against the bottom of the material ejecting mechanism, and the material ejecting mechanism is driven to ascend or descend relative to the male die.
In the implementation process, the ejection device comprises a male die, a blank holder, an ejection mechanism and an ejector rod mechanism. The edge pressing ring is provided with a plurality of first communication holes, and the first communication holes extend along the vertical direction and penetrate through the upper surface and the lower surface of the edge pressing ring. And the blank holder is provided with an accommodating space for accommodating the male die, the male die is arranged in the accommodating space and is limited with a plate stamping area, the top of the plate stamping area is used for placing plates, and the plates can be subjected to press forming under the extrusion action of the blank holder and the female die. The material ejecting mechanism is movably arranged in the convex die and is positioned in the plate stamping area and used for ejecting the preset area of the plate. The ejector rod mechanism comprises a driving mechanism and a plurality of first ejector rods connected with the driving mechanism, the driving mechanism can drive the first ejector rods to penetrate through the first connecting hole, one of the first ejector rods can be abutted to the bottom of the material ejecting mechanism, and the material ejecting mechanism is driven to ascend so as to jack up a preset area of a plate material. When the first ejector rods are abutted to the bottom of the material ejecting mechanism, the upper end faces of the first ejector rods protrude out of the male die, so that the lower surface of the plate material is conveniently dragged, the edge of the plate material is prevented from sagging under the action of gravity, the plate material cannot deform in the stamping process, and the quality of plate material stamping forming is improved.
In a possible implementation manner, a guide groove is arranged in the male die; the ejection mechanism comprises an ejection rod and an ejection block connected with the bottom of the ejection rod, the ejection block is matched with the guide groove in shape, and the first ejector rod is suitable for abutting against the bottom of the ejection block.
In the implementation process, the ejection mechanism comprises an ejection rod and an ejection block. The ejection mechanism is arranged in a guide groove in the convex die, the ejection block of the ejection mechanism is matched with the guide groove in shape, the ejection mechanism can be driven by the first ejector rod to ascend or descend relative to the guide groove, the guide groove plays a role in guiding the ejection block, the ejection block is prevented from deviating in the ascending or descending process, and therefore accuracy and stability of the ejection rod in the process of ejecting the preset position of the plate are guaranteed.
In one possible implementation, the guide is circular or rectangular in cross-section.
In the implementation process, the cross section of the guide groove is circular or rectangular, and the circular or rectangular structure is simple and convenient to machine and form. In addition, the cross section of the guide groove can be in any polygonal structure.
In a possible implementation, the bottom of the blank holder is provided with a plurality of ejector rod feet; the push rod mechanism further comprises a plurality of second push rods connected with the driving mechanism, and the driving mechanism is suitable for driving the second push rods to correspondingly abut against the push rod feet so as to drive the blank holder to ascend or descend.
In the implementation process, a plurality of ejector pin feet are arranged at the bottom of the blank holder and used for being abutted against a plurality of second ejector pins, so that the blank holder can be driven by the second ejector pins to rise or fall, the distance between the blank holder and the female die is adjusted, and the blank holder is formed by punching the plate material by matching with the female die.
In one possible implementation manner, the method further includes: the machine tool bed is arranged below the blank holder, a plurality of second communication holes are formed in the machine tool bed, the second communication holes are arranged in one-to-one correspondence with the first communication holes, and the first ejector rods and the second ejector rods are correspondingly arranged in the second communication holes and are suitable for ascending or descending relative to the machine tool bed.
In the implementation process, the material ejecting device further comprises a machine tool bed, the machine tool bed is located below the blank holder, the first ejector rod and the second ejector rod are arranged in the second communicating hole in the machine tool bed and can be driven by the driving mechanism to ascend or descend relative to the machine tool bed, the second communicating hole plays a role in guiding, and ascending or descending stability of the first ejector rod and the second ejector rod is guaranteed.
In a possible implementation manner, the machine tool table is provided with a displacement sensor, and the displacement sensor is used for detecting the movement stroke of the first ejector rod; the ejection device further comprises a controller, wherein the controller is electrically connected with the displacement sensor and the driving mechanism and is suitable for controlling the driving mechanism to stop running when the displacement sensor detects that the movement stroke of the first ejector rod is larger than a preset stroke threshold value.
In the implementation process, the displacement sensor is arranged on the machine tool table and can detect the movement stroke of the first ejector rod and send the movement stroke to the controller in real time, when the displacement sensor detects that the movement stroke of the first ejector rod is larger than a preset stroke threshold value, mechanical faults of the first ejector rod can occur, the controller controls the driving mechanism to stop running, collision of the ejection mechanism and the female die is avoided, and the possibility of product damage caused by the mechanical faults is reduced. Meanwhile, when a pneumatic driving mode is adopted, the pneumatic device is limited by the stability of the gas circuit, and when the gas circuit breaks down, the concave die collides with the material ejecting device to be damaged.
In a possible implementation manner, the number of the accommodating spaces is two, and the two accommodating spaces are arranged at intervals; the number of the male dies is two, and the two male dies are correspondingly arranged in the two accommodating spaces.
In the implementation process, the two accommodating spaces are arranged on the blank holder at intervals, correspondingly, the number of the male dies is also two, and the male dies are correspondingly arranged in the two accommodating spaces, so that one-time stamping action can be realized to realize the stamping forming of two plates, and the stamping efficiency of the plates is effectively improved.
In a second aspect, an embodiment of the present application provides a stamping die, including: a female die; and the ejection device according to any one of the embodiments of the first aspect, wherein a sheet stamping region of the ejection device is used for placing a sheet, and the female die and the blank holder of the ejection device are suitable for extruding the sheet.
The stamping die provided in the embodiment of the second aspect of the present application includes the ejector device in any one of the embodiments of the first aspect, so that the stamping die has the technical effects of any one of the embodiments described above, and details are not repeated herein.
In one possible implementation, the stamping die further includes: and the feeding mechanism is used for conveying the plate between the female die and the male die.
In the implementation process, the feeding mechanism can be a mechanical arm, manual feeding is not needed, an automatic stamping process is achieved, and the labor cost of sheet stamping forming is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic perspective view of a material ejecting device according to some embodiments of the present disclosure;
fig. 2 is a schematic top view of a material ejection device according to some embodiments of the present disclosure;
fig. 3 isbase:Sub>A schematic sectional view along the directionbase:Sub>A-base:Sub>A in fig. 2.
An icon: 100-a material ejecting device; 10-a male die; 101-a guide groove; 20-blank holder; 201-a first via hole; 202-a jack-foot; 30-a machine tool table; 301-a first top bar; 302-a second ejector rod; 303 — a second communication hole; 40-a material ejecting mechanism; 401-ejector pin; 402-ejection block.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not construed as indicating or implying relative importance.
Referring to fig. 1 to fig. 3, in a first aspect, an embodiment of the present application provides an ejection device, including: a male die 10, the male die 10 defining a sheet metal stamping region; the blank holder 20 is provided with a plurality of first communication holes 201, and the middle part of the blank holder 20 is provided with an accommodating space for accommodating the male die 10; the material ejecting mechanism 40 is movably arranged in the male die 10 and is positioned in the plate stamping area; the ejector rod mechanism comprises a plurality of first ejector rods 301 and a driving mechanism (not shown in the figure) connected with the plurality of first ejector rods 301, the driving mechanism is suitable for driving the plurality of first ejector rods 301 to be correspondingly inserted into the plurality of first communication holes 201, the upper ends of the plurality of first ejector rods 301 protrude out of the bottom of the male die 10, one of the plurality of first ejector rods 301 is suitable for abutting against the bottom of the ejecting mechanism 40, and the ejecting mechanism 40 is driven to ascend or descend relative to the male die 10.
In the implementation process, the material ejecting device comprises a male die 10, a blank holder 20, an ejecting mechanism 40 and an ejector rod mechanism. Wherein, be provided with a plurality of first through-holes 201 on the blank holder 20, a plurality of first through-holes 201 set up along vertical direction to run through the upper surface and the lower surface of blank holder 20. The blank holder 20 is provided with an accommodating space for accommodating the male die 10, the male die 10 is arranged in the accommodating space, the top of the male die 10 protrudes out of the upper surface of the blank holder 20, a plate stamping area is limited, the top of the plate stamping area is used for placing plates, and the plates can be stamped and formed under the extrusion action of the blank holder 20 and the female die. The ejecting mechanism 40 is movably arranged in the male die 10, is located in the plate stamping area, and is used for ejecting the preset area of the plate. The ejector rod mechanism comprises a driving mechanism and a plurality of first ejector rods 301 connected with the driving mechanism, the driving mechanism can drive the first ejector rods 301 to penetrate through the first connecting hole 201, one of the first ejector rods 301 can be abutted to the bottom of the material ejecting mechanism 40, and the material ejecting mechanism 40 is driven to ascend so as to jack up a preset area of a plate material. When the first ejector rods 301 are abutted against the bottom of the material ejecting mechanism 40, the upper end faces of the first ejector rods 301 protrude out of the male die 10, so that the lower surface of the plate material is conveniently dragged, the edge of the plate material is prevented from sagging under the action of gravity, the plate material cannot deform in the stamping process, and the quality of the plate material formed by stamping is improved.
Illustratively, the drive mechanism may be a hydraulic cylinder or a linear motor, or the like.
Referring to fig. 3, in a possible implementation, a guide groove 101 is provided in the punch 10; the ejection mechanism 40 comprises an ejection rod 401 and an ejection block 402 connected with the bottom of the ejection rod 401, the ejection block 402 is matched with the shape of the guide groove 101, and the first ejection rod 301 is suitable for abutting against the bottom of the ejection block 402.
In the above implementation, the ejector mechanism 40 includes an ejector rod 401 and an ejector block 402. The ejection block 402 is arranged in the guide groove 101 in the male die 10, the ejection block 402 of the ejection mechanism 40 is matched with the guide groove 101 in shape, the ejection mechanism 40 can be driven by the first ejector rod 301 to ascend or descend relative to the guide groove, the guide groove guides the ejection block 402, the ejection block 402 is prevented from deviating in the ascending or descending process, and therefore accuracy and stability of the ejection rod 401 in the process of ejecting the preset position of the plate are guaranteed.
Specifically, the top of the ejector block 402 is provided with a flange that can abut against the top edge of the guide groove 101 to prevent the ejector mechanism 40 from coming off the punch 10 under the action of gravity.
In a possible implementation, the guide groove 101 has a circular or rectangular cross section.
In the implementation process, the cross section of the guide groove 101 is circular or rectangular, that is, the cross section of the ejection block 402 is also circular or rectangular, and the circular or rectangular structure is simple and convenient for processing and forming. Further, the cross section of the guide groove 101 may be any polygonal structure.
Referring to fig. 3, in one possible implementation, the bottom of the binder 20 is provided with a plurality of ejector pins 202; the ejector rod mechanism further comprises a plurality of second ejector rods 302 connected with a driving mechanism, and the driving mechanism is suitable for driving the plurality of second ejector rods 302 to correspondingly abut against the plurality of ejector rod feet 202 so as to drive the blank holder 20 to ascend or descend.
In the above implementation process, by arranging the plurality of ejector rod feet 202 at the bottom of the blank holder 20, the plurality of ejector rod feet 202 are used for abutting against the plurality of second ejector rods 302, so that the blank holder 20 can be driven by the second ejector rods 302 to ascend or descend, and the distance between the blank holder 20 and the female die is adjusted to realize punch forming on the plate material matched with the female die.
Referring to fig. 1 to fig. 3, in a possible implementation manner, the method further includes: and a machine tool table 30 disposed below the blank holder 20, wherein a plurality of second communication holes 303 are provided in the machine tool table 30, the plurality of second communication holes 303 are provided in one-to-one correspondence with the plurality of first communication holes 201, and the plurality of first lift pins 301 and the plurality of second lift pins 302 are provided in the plurality of second communication holes 303 in correspondence with each other, and are adapted to be raised or lowered relative to the machine tool table 30.
In the implementation process, the material ejecting device further comprises a machine tool table 30, the machine tool table 30 is located below the blank holder 20, the first ejector rod 301 and the second ejector rod 302 are arranged in a second communicating hole 303 on the machine tool table 30 and can be driven by the driving mechanism to ascend or descend relative to the machine tool table 30, and the second communicating hole 303 plays a role in guiding, so that the ascending or descending stability of the first ejector rod 301 and the second ejector rod 302 is guaranteed.
In one possible implementation, the machine tool table 30 is provided with a displacement sensor (not shown in the figure) for detecting the movement stroke of the first ram 301; the material ejecting device further comprises a controller, wherein the controller is electrically connected with the displacement sensor and the driving mechanism and is suitable for controlling the driving mechanism to stop running when the displacement sensor detects that the movement stroke of the first ejector rod 301 is larger than a preset stroke threshold value.
In the implementation process, the displacement sensor is arranged on the machine tool table 30 and can detect the movement stroke of the first ejector rod 301 and send the movement stroke to the controller in real time, when the displacement sensor detects that the movement stroke of the first ejector rod 301 is larger than a preset stroke threshold value, it is indicated that mechanical failure may occur to the first ejector rod 301, the controller controls the driving mechanism to stop running at the moment, so that the condition that the ejection mechanism 40 collides with the female die is avoided, and the possibility of product damage caused by the mechanical failure is reduced. Meanwhile, when a pneumatic driving mode is adopted, the pneumatic device is limited by the stability of the gas circuit, and when the gas circuit breaks down, the concave die collides with the material ejecting device to be damaged.
Referring to fig. 1 to fig. 3, in a possible implementation manner, the number of the accommodating spaces is two, and the two accommodating spaces are arranged at intervals; the number of the male dies 10 is two, and the two male dies 10 are correspondingly arranged in the two accommodating spaces.
In the implementation process, two accommodating spaces are arranged on the blank holder 20 at intervals, correspondingly, the number of the male dies 10 is also two, and the male dies are correspondingly arranged in the two accommodating spaces, so that one-time stamping action can be realized to realize the stamping forming of two plates, and the stamping efficiency of the plates is effectively improved.
In a second aspect, an embodiment of the present application provides a stamping die, including: a female die; and an ejector device as in any one of the embodiments of the first aspect, the sheet punching region of the ejector device being for placing a sheet, the die and the blankholder 20 of the ejector device being adapted to extrude the sheet.
The stamping die provided in the embodiment of the second aspect of the present application includes the ejector in any one of the embodiments of the first aspect, and therefore has the technical effects of any one of the embodiments described above, and details are not repeated here.
In one possible implementation, the stamping die further includes: and the feeding mechanism is used for conveying the plate between the female die and the male die 10.
In the implementation process, the feeding mechanism can be a mechanical arm, manual feeding is not needed, the automatic stamping process is achieved, and the labor cost of sheet stamping forming is reduced.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Claims (9)
1. An ejector device, characterized by comprising:
a punch defining a sheet metal stamping area;
the blank holder is provided with a plurality of first communication holes, and the middle part of the blank holder is provided with an accommodating space for accommodating the male die;
the material ejecting mechanism is movably arranged in the convex die and is positioned in the plate stamping area;
the ejector rod mechanism comprises a plurality of first ejector rods and a driving mechanism connected with the first ejector rods, the driving mechanism is suitable for driving the first ejector rods to be correspondingly inserted into the first communication holes, the upper ends of the first ejector rods protrude out of the male die, one of the first ejector rods is suitable for abutting against the bottom of the material ejecting mechanism, and the material ejecting mechanism is driven to ascend or descend relative to the male die.
2. The ejection device of claim 1, wherein a guide groove is formed in the male die;
the ejection mechanism comprises an ejection rod and an ejection block connected with the bottom of the ejection rod, the ejection block is matched with the guide groove in shape, and the first ejector rod is suitable for abutting against the bottom of the ejection block.
3. The ejector device as recited in claim 2, wherein the guide groove has a circular or rectangular cross-section.
4. The liftout device of any one of claims 1-3, wherein the bottom of the binder ring is provided with a plurality of ejector pin feet;
the push rod mechanism further comprises a plurality of second push rods connected with the driving mechanism, and the driving mechanism is suitable for driving the second push rods to correspondingly abut against the push rod feet so as to drive the blank holder to ascend or descend.
5. The jacking device as claimed in claim 4, further comprising: the machine tool bed is arranged below the blank holder, a plurality of second communicating holes are formed in the machine tool bed, the second communicating holes are in one-to-one correspondence with the first communicating holes, and the first ejector rods and the second ejector rods are correspondingly arranged in the second communicating holes and are suitable for being opposite to the machine tool bed to ascend or descend.
6. The ejection device according to claim 5, wherein a displacement sensor is arranged on the machine tool table and used for detecting the movement stroke of the first ejector rod;
the material ejecting device further comprises a controller, wherein the controller is electrically connected with the displacement sensor and the driving mechanism and is suitable for controlling the driving mechanism to stop running when the displacement sensor detects that the movement stroke of the first ejector rod is larger than a preset stroke threshold value.
7. The ejection device according to any one of claims 1 to 3, wherein the number of the accommodating spaces is two, and the two accommodating spaces are arranged at intervals;
the number of the male dies is two, and the two male dies are correspondingly arranged in the two accommodating spaces.
8. A stamping die, comprising:
a female die; and
the lifters of any of claims 1-7, the panel punching area of the male die is used for placing panels, and the female die and the binder ring of the lifters are adapted to press the panels.
9. The stamping die of claim 8, further comprising:
and the feeding mechanism is used for conveying the plate between the female die and the male die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222415139.5U CN218310526U (en) | 2022-09-09 | 2022-09-09 | Liftout device and stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222415139.5U CN218310526U (en) | 2022-09-09 | 2022-09-09 | Liftout device and stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218310526U true CN218310526U (en) | 2023-01-17 |
Family
ID=84834848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222415139.5U Active CN218310526U (en) | 2022-09-09 | 2022-09-09 | Liftout device and stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218310526U (en) |
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2022
- 2022-09-09 CN CN202222415139.5U patent/CN218310526U/en active Active
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