CN111604422A - Method and device for cleaning and purging hot stamping die surface - Google Patents
Method and device for cleaning and purging hot stamping die surface Download PDFInfo
- Publication number
- CN111604422A CN111604422A CN202010513528.4A CN202010513528A CN111604422A CN 111604422 A CN111604422 A CN 111604422A CN 202010513528 A CN202010513528 A CN 202010513528A CN 111604422 A CN111604422 A CN 111604422A
- Authority
- CN
- China
- Prior art keywords
- push rod
- die
- side gap
- purging
- hot stamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0082—Dust eliminating means; Mould or press ram cleaning means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a method and a device for cleaning and purging a hot stamping die surface, relates to the technical field of stamping, and solves the problem that stamping scraps are easy to remain on the die surface in the existing stamping production. A method and a device for cleaning and purging a hot stamping die surface are characterized in that: hot stamping die face clearance sweeps device includes: go up mould, gas busbar, go up mould top internally mounted and have the push rod, and go up between push rod and the mould and reset fixedly through reset spring and be connected. The method effectively cleans the die surface by the control strategy of the control system, and achieves the effect of cleaning the die surface by the control of the cleaning time and sequence. The method can effectively maintain the cleanness of the hot stamping die surface, and ensures that no impurities remain on the die surface to damage the stamping part or the die surface during stamping of the die.
Description
Technical Field
The invention belongs to the technical field of stamping, and particularly relates to a method and a device for cleaning and purging a hot stamping die surface.
Background
Stamping is a press working method in which a die mounted on a press machine is used to apply pressure to a material to cause separation or plastic deformation thereof, thereby obtaining a desired part.
The material slides relative to the die in plastic deformation during stamping, so that impurities such as metal scraps and the like are easily remained on the surface of the die, and in hot stamping, a high-temperature oxidation layer of a plate material is hard and brittle and is easily peeled off from a metal matrix to remain on the surface of the die.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method and a device for cleaning and purging a hot stamping die surface, which are used for solving the problem that stamping scraps are easy to remain on the die surface in the existing stamping production.
The invention relates to a method and a device for cleaning and purging a hot stamping die surface, which are realized by the following specific technical means:
a method and a device for cleaning and purging a hot stamping die surface are characterized in that: hot stamping die face clearance sweeps device includes: the device comprises an upper die, an upper push rod, a reset spring, a gas circuit, a workpiece, a lower die, a lower push rod, a push rod fixing plate, a push plate, a press supporting rod, a gas valve and a gas busbar, wherein the upper push rod is arranged inside the top end of the upper die, and the upper push rod and the upper die are fixedly connected through the reset spring in a resetting way; a lower die matched with the upper die in a matched mode is arranged below the upper die, and a lower push rod is arranged inside the bottom end of the lower die; the workpiece is positioned between the die assembly parts of the upper die and the lower die; the bottom end of the lower push rod is fixedly arranged on the push rod fixing plate, and the bottom end surface of the push rod fixing plate is fixedly provided with a push plate; and a press machine supporting rod is fixedly arranged on the bottom end face of the push plate.
Preferably, the upper push rod is of a hollow structure, the top of the head end of the upper push rod is closed, a side gap is formed in the position, 10mm away from the top of the adjacent head end of the outer peripheral surface of the upper push rod, the side gap can be a complete annular side gap, a segmented fan-shaped side gap or a lateral small round hole, the aperture size or the width of the side gap is not larger than 2.0mm, and the bottom of the tail end of the upper push rod is connected with the air valve through an air path.
Preferably, the lower push rod adopts a hollow structure, the top of the head end of the upper push rod is closed, a side gap is formed at the position, with the distance being not more than 20mm, of the top of the adjacent head end of the peripheral surface of the upper push rod, the side gap can be a complete annular side gap, a segmented fan-shaped side gap or a lateral small round hole, and the aperture size or the width of the side gap is not more than 2.0 mm.
Preferably, under the mode that the lower push rods simultaneously supply air and purge, the bottom of the tail end of each lower push rod is connected with the same air valve through an air path, and under the mode that the lower push rods independently purge, the bottom of the tail end of each lower push rod is connected with one air valve through the air path, and the air valves are connected with the air busbars.
Preferably, when the upper die and the lower die are in a die-closing state, the top of the head end of the upper push rod and the top of the head end of the lower push rod are flush with the die surface, and the top of the head end of the upper push rod and the top of the head end of the lower push rod are distributed at the position where the debris impurities are easily remained on the die surface of the upper die and the die surface of the lower die and the workpiece ejection position.
The invention discloses a method for cleaning and purging a hot stamping die surface, which is characterized by comprising the following steps of:
1) when the upper die and the lower die are in a die opening state, the lower push rod pushes the push plate and the push rod fixing plate to push the workpiece out through the support rod of the press machine, and the distance between the workpiece and the lower die is not more than 20 mm;
2) and the control system opens the air valve to release compressed air to the hollow cavities of the lower push rod and the upper push rod through the air passage, and high-speed airflow is sprayed from the side gap parts arranged at the adjacent head ends of the lower push rod and the upper push rod to blow out oxide skin or impurities between the surfaces of the upper die and the lower die and the surface of the workpiece.
3) And after purging oxide skin or sundries between the surfaces of the upper die and the lower die and the surface of the workpiece, closing the air valve by the control system, stopping outputting compressed air, continuously pushing the lower push rod to a final position to stop, subsequently taking out the workpiece through manpower or a mechanical hand, and then resetting the lower push rod.
Preferably, the pushing action, the middle position stopping, the final pushing action, the stopping and the resetting action of the upper push rod and the lower push rod in the steps 1) and 3) are several, and the upper push rod and the lower push rod synchronously or respectively sequentially act and are driven by a pushing mechanism of a die or a press.
Compared with the prior art, the invention has the following beneficial effects:
the method effectively cleans the die surface by the control strategy of the control system, and achieves the effect of cleaning the die surface by the control of the cleaning time and sequence. The method can effectively maintain the cleanness of the hot stamping die surface, and ensures that no impurities remain on the die surface to damage the stamping part or the die surface during stamping of the die.
Because the temperature of the die surface and the stamping part is far higher than the air temperature when the die is opened by hot stamping, the compressed air has an evaporation heat absorption effect when blown out, the heat of the die surface and the stamping part is taken away by the air flow, the cooling is accelerated, the temperature of the die surface is reduced, the hot stamping beat can be shortened, and the guarantee of the quality of the next stamping part is facilitated.
Furthermore, a gas-liquid mixture containing a lubricating substance can be conveyed through a compressed air pipeline to lubricate the die surface, so that the abrasion of the die surface is reduced, and the service life of the die is prolonged.
Drawings
FIG. 1 is a schematic of the purge workflow of the present invention.
Fig. 2 is a schematic view of the purge control system and the press control system of the present invention.
Fig. 3 is a partial structure diagram of the head end of the upper push rod and the lower push rod of the present invention.
FIG. 4 is a schematic structural view of the upper and lower molds of the present invention in a closed state.
FIG. 5 is a schematic view showing the upper and lower molds of the present invention in a slightly opened purge state.
FIG. 6 is a schematic structural view of the upper and lower molds of the present invention in an open state after purging.
FIG. 7 is a schematic structural view of the present invention in a state where the upper and lower dies are fully opened and the work is taken out.
Fig. 8 is a schematic structural view of the push-down lever simultaneous air supply purge mode of the present invention.
Fig. 9 is a schematic structural view of the push-down lever independent purge control mode of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. an upper die; 2. a push rod is arranged; 3. a return spring; 4. a gas circuit; 5. a workpiece; 6. a lower die; 7. a lower push rod; 8. a push rod fixing plate; 9. pushing the plate; 10. a press support rod; 11. an air valve; 12. a gas bus.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention relates to a method and a device for cleaning and purging a hot stamping die surface, which are realized by the following specific technical means:
a method and a device for cleaning and purging a hot stamping die surface are characterized in that: hot stamping die face clearance sweeps device includes: the device comprises an upper die 1, an upper push rod 2, a reset spring 3, an air circuit 4, a workpiece 5, a lower die 6, a lower push rod 7, a push rod fixing plate 8, a push plate 9, a press machine supporting rod 10, an air valve 11 and an air bus bar 12, wherein the upper push rod 2 is installed inside the top end of the upper die 1, and the upper push rod 2 and the upper die 1 are fixedly connected through the reset spring 3 in a resetting way; a lower die 6 matched with the upper die 1 in a matched mode is arranged below the upper die, and a lower push rod 7 is arranged inside the bottom end of the lower die 6; the workpiece 5 is positioned between the die assembly parts of the upper die 1 and the lower die 6; the bottom end of the lower push rod 7 is fixedly arranged on a push rod fixing plate 8, and the bottom end surface of the push rod fixing plate 8 is fixedly provided with a push plate 9; a press machine supporting rod 10 is fixedly arranged on the bottom end surface of the push plate 9.
The upper push rod 2 is of a hollow structure, the top of the head end of the upper push rod 2 is closed, a side gap is formed in the position, 10mm away from the top of the adjacent head end of the outer peripheral surface of the upper push rod 2, the side gap can be a complete annular side gap, a segmented fan-shaped side gap or a lateral small round hole, the aperture size or the width of the side gap is smaller than 1.5mm, and the bottom of the tail end of the upper push rod 2 is connected with the air valve 11 through an air path 4.
The lower push rod 7 is of a hollow structure, the top of the head end of the upper push rod 2 is closed, a side gap is formed in the position, 10mm away from the top of the adjacent head end of the outer peripheral surface of the upper push rod 2, the side gap can be a complete annular side gap, a segmented fan-shaped side gap or a lateral small round hole, and the aperture size or the side gap width is smaller than 1.5 mm.
The bottom of the tail end of each lower push rod 7 is connected with the same air valve 11 through the air passage 4 under the mode that the lower push rods 7 simultaneously supply air and purge, and the bottom of the tail end of each lower push rod 7 is connected with one air valve 11 through the air passage 4 respectively and the air valves 11 are connected with the air bus 12 under the mode that the lower push rods 7 independently purge.
Under the matched die state of the upper die 1 and the lower die 6, the top of the head end of the upper push rod 2 and the top of the head end of the lower push rod 7 are flush with the die surface, and the top of the head end of the upper push rod 2 and the top of the head end of the lower push rod 7 are distributed at the position where the chip impurities are easy to remain on the die surface of the upper die 1 and the lower die 6 and the ejection position of the workpiece 5.
The invention discloses a method for cleaning and purging a hot stamping die surface, which is characterized by comprising the following steps of:
1) when the upper die 1 and the lower die 6 are in a die opening state, the lower push rod 7 pushes the workpiece 5 out under the action of pushing the push plate 9 and the push rod fixing plate 8 by the press supporting rod 10, and the distance between the workpiece 5 and the lower die 6 is not more than 15 mm;
2) and the control system opens the air valve 11 to release compressed air to the cavities in the lower push rod 7 and the upper push rod 2 through the air passage 4, and high-speed air flow is sprayed from the side gap parts formed at the adjacent head end parts of the lower push rod 7 and the upper push rod 2 to blow out oxide skin or impurities between the die surfaces of the upper die 1 and the lower die 6 and the surface of the workpiece 5.
3) And after purging oxide skin or sundries between the surfaces of the upper die 1 and the lower die 6 and the surface of the workpiece 5, closing the air valve 11 by the control system, stopping outputting compressed air, continuously pushing the lower push rod 7 to a final position to stop, subsequently taking out the workpiece 5 through manpower or a mechanical hand, and then resetting the lower push rod 7.
The pushing action, the middle position stop, the final pushing action, the stop and the reset action of the upper push rod 2 and the lower push rod 7 in the steps 1) and 3) are a plurality of, and the upper push rod 2 and the lower push rod 7 synchronously or respectively act in sequence and are driven by a pushing mechanism of a die or a press.
The specific use mode and function of the embodiment are as follows:
the invention provides a method for cleaning and purging a hot stamping die surface, which has the working flow as shown in figure 1, and sequentially acts as shown in figures 4, 5, 6 and 7 under the control of a control system shown in figure 2, namely an upper die 1 and a lower die 6 are opened for a certain distance and stopped, then a lower push rod 7 is pushed out, purging is started, and the upper die 1 and the lower die 6 are continuously opened after purging is finished until a workpiece 5 is finally taken out;
fig. 2 is a schematic view showing the joint control of the purging control system and the press control system, wherein the purging control system is communicated with the press control system, receives a purging signal transmitted by the press control system, and sends a purging completion signal to the press control system after purging is completed, so that logic errors do not occur in the purging control system and the press control system; the cleaning and blowing control system controls the air valve, so that compressed air enters the air channel 4 through the air valve 11 to reach the upper push rod 2 and the lower push rod 7 and is sprayed out from a side gap part formed at the adjacent head ends of the upper push rod 2 and the lower push rod 7;
fig. 3 is a partial structural diagram of the head ends of the upper push rod 2 and the lower push rod 7, the top of the head ends of the upper push rod 2 and the lower push rod 7 is closed, a side gap is formed at a distance not greater than 20mm from the top end, the side gap can be a complete annular side gap, or a segmented fan-shaped side gap, or a small lateral circular hole, and the aperture size or the width of the side gap is not greater than 2.0 mm;
fig. 4 is a schematic structural diagram of the upper die 1 and the lower die 6 in a closed state, an upper push rod 2 and a lower push rod 7 are installed inside the upper die 1 and the lower die 6, and when the upper die 1 and the lower die 6 are in the closed state, the top of the head end of the upper push rod 2 and the top of the head end of the lower push rod 7 are flush and matched with the die surface, so that the upper push rod 2 and the lower push rod 7 need to prevent rotation, which is a common structural processing method in die design and will not be described in detail herein; a channel is arranged in the push plate 9 and connected with each push rod so as to ensure that compressed air can smoothly enter each push rod;
fig. 5 is a schematic structural view of the upper die 1 and the lower die 6 in a slightly opened purging state, a lower push rod 7 of the lower die 6 pushes out the stamping part 5 under the action of a press supporting rod 10 pushing a push plate 9 and a push rod fixing plate 8, so that the stamping part 5 is not more than 20mm away from the lower die, at this time, compressed air passes through the lower push rod 7 from a pipeline inside the push plate 9, is jetted out at a high speed from a top side gap part at the head end of the lower push rod 7 along the radial direction of the lower push rod 7, and flows to the outer edge of the die along a gap between the profile and the workpiece 5, so that high-speed air flow is realized; the tail part of an upper push rod 2 in the upper die 1 also serves as a cylinder piston, extends out of the surface of the upper die 1 under the action of compressed air, and the compressed air is sprayed out from the top side gap part of the head end of the upper push rod 2 to clean and sweep the gap between the upper die 1 and the workpiece 5; when the compressed air stops supplying air, the upper push rod 2 is reset under the action of the reset spring 3, the structure is also a conventional structure design, and the detailed description is omitted;
the press machine has enough controllability to ensure the joint control with the cleaning control system, for example, a servo press machine or a press machine controlled by a PLC (programmable logic controller) or other industrial automation control systems is adopted, and the functions of the cleaning control system can be combined into the press machine control system, so that the press machine has better compatibility. The push rod needs to complete a plurality of pushing actions, middle position stopping, final pushing, stopping and resetting actions, the press is provided with a pushing device, the pushing action, the middle position stopping, the final pushing, the stopping and the resetting actions can be completed by driving the push rod, the push rod or the pushing mechanism in the die through a supporting rod of the press, and the pushing action can also be realized by driving the pushing by a mechanical, pneumatic or hydraulic device arranged in the die, a plurality of push rods synchronously act in general, and the push rods can respectively act in sequence if necessary;
the top of the head end of the upper push rod 2 and the top of the head end of the lower push rod 7 are distributed at the positions where the chip impurities are easy to remain on the die surfaces of the upper die 1 and the lower die 6 and the ejection position of the workpiece 5; compressed air is sprayed out from the top of the head end of the upper push rod 2 and the side gap of the top of the head end of the lower push rod 7 and is blown out of the periphery of the mold along the molded surface of the mold and the surface of the workpiece 5, the cleaning and blowing effects are also distributed according to the positions of the push rods, and when the gap between the mold and the workpiece 5 and the airflow flow rate are appropriate, the cleaning effects can be obviously improved;
FIG. 6 is a schematic structural view of the upper mold 1 and the lower mold 6 in a state of being opened after purging is completed, at this time, the control system closes the air valve 11, compressed air stops being output, and the push rod continues to be pushed out to a final position to stop;
fig. 7 is a schematic structural view showing a state where the upper die 1 and the lower die 6 are completely opened and the workpiece 5 is taken out by a worker or a robot, and then the push rod is reset; before the press machine closes the dies, the lower push rod 7 of the lower die 6 retreats under the action of the gravity of the push rod fixing plate 8 and the push plate 9 due to the retreating of the press machine supporting rod 10, and an elastic element can be installed to help retreat and reset if necessary, so that a cleaning and purging process of a punching cycle is completed;
the lower push rod 7 can adopt a simultaneous air supply purging or independent purging control mode; FIG. 8 is a schematic structural view of a push-down lever simultaneous air supply purging mode; in the figure, each lower push rod 7 is connected to the same air valve 11 through an air passage 4, namely the air valve 11 is opened, and all the lower push rods 7 are simultaneously purged; FIG. 9 is a schematic structural view of a lower push rod independent purge control mode; in the figure, each lower push rod 7 is connected to a respective air valve 11 through a respective air passage 4, namely each air valve 11 can independently control the respective lower push rod 7 to perform respective purging so as to better adapt to the requirement of a purging task, the time sequence of purging each push rod is set by an internal software program of a cleaning and purging control system, a PLC (programmable logic controller) or an industrial control computer PC (personal computer) can be used as core hardware to form the independent cleaning and purging control system, and the time sequence can also be integrated into a press control system to realize the purging.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. A method and a device for cleaning and purging a hot stamping die surface are characterized in that: hot stamping die face clearance sweeps device includes: the device comprises an upper die (1), an upper push rod (2), a reset spring (3), a gas circuit (4), a workpiece (5), a lower die (6), a lower push rod (7), a push rod fixing plate (8), a push plate (9), a press supporting rod (10), a gas valve (11) and a gas bus bar (12), wherein the upper push rod (2) is installed inside the top end of the upper die (1), and the upper push rod (2) is fixedly connected with the upper die (1) in a resetting way through the reset spring (3); a lower die (6) matched with the upper die (1) in a matched mode is arranged below the upper die (1), and a lower push rod (7) is arranged inside the bottom end of the lower die (6); the workpiece (5) is positioned between the die assembly parts of the upper die (1) and the lower die (6); the bottom end of the lower push rod (7) is fixedly arranged on a push rod fixing plate (8), and a push plate (9) is fixedly arranged on the bottom end surface of the push rod fixing plate (8); and a press machine supporting rod (10) is fixedly arranged on the bottom end surface of the push plate (9).
2. The hot stamping die face cleaning and purging device as claimed in claim 1, wherein: the upper push rod (2) is of a hollow structure, the top of the head end of the upper push rod (2) is closed, a side gap is formed in the position, with the distance being not more than 20mm, of the top of the adjacent head end of the outer peripheral surface of the upper push rod (2), the side gap can be a complete annular side gap, a segmented fan-shaped side gap or a lateral small round hole, the aperture size or the width of the side gap is not more than 20mm, and the bottom of the tail end of the upper push rod (2) is connected with the air valve (11) through the air path (4.
3. The hot stamping die surface cleaning and purging device as claimed in claim 2, wherein: the lower push rod (7) is of a hollow structure, the top of the head end of the upper push rod (2) is closed, a side gap is formed in the position, with the distance being not more than 20mm, of the top of the adjacent head end of the outer peripheral surface of the upper push rod (2), the side gap can be a complete annular side gap, a segmented fan-shaped side gap or a lateral small round hole, and the aperture size or the width of the side gap is not more than 20 mm.
4. The hot stamping die face cleaning and purging device as claimed in claim 1, wherein: lower push rod (7) is under the mode of sweeping for the air feed simultaneously, every lower push rod (7) tail end bottom all is connected with same pneumatic valve (11) through gas circuit (4), lower push rod (7) independently sweep under the control mode, every lower push rod (7) tail end bottom respectively is connected with a pneumatic valve (11) through gas circuit (4), and pneumatic valve (11) are connected with gas busbar (12).
5. The hot stamping die face cleaning and purging device as claimed in claim 1, wherein: the upper die (1) and the lower die (6) are in a die closing state, the top of the head end of the upper push rod (2) and the top of the head end of the lower push rod (7) are flush with the die surface, and the top of the head end of the upper push rod (2) and the top of the head end of the lower push rod (7) are distributed at the position where the chip impurities are easy to remain on the die surface of the upper die (1) and the die surface of the lower die (6) and the ejection position of the workpiece (.
6. The method for cleaning and purging the surface of the hot stamping die as claimed in any one of claims 1 to 5, comprising the steps of:
1) when the upper die (1) and the lower die (6) are in a die opening state, the lower push rod (7) pushes the workpiece (5) out under the action of pushing the push plate (9) and the push rod fixing plate (8) through the press machine supporting rod (10), and the distance between the workpiece (5) and the lower die (6) is not more than 20 mm;
2) and the control system opens the air valve (11) to release compressed air to the hollow cavities of the lower push rod (7) and the upper push rod (2) through the air passage (4), and high-speed air flow is sprayed out from side gap parts formed at the adjacent head end parts of the lower push rod (7) and the upper push rod (2) to blow out oxide skin or sundries between the die surfaces of the upper die (1) and the lower die (6) and the surface of the workpiece (5).
3) And after purging oxide skin or sundries between the surfaces of the upper die (1) and the lower die (6) and the surface of the workpiece (5), closing the air valve (11) by the control system, stopping outputting compressed air, continuously pushing the lower push rod (7) to the final position to stop, subsequently taking out the workpiece (5) through manpower or a mechanical hand, and then resetting the lower push rod (7).
7. The method for cleaning and purging the surface of the hot stamping die as claimed in claim 6, wherein: the pushing actions, the middle position stopping, the final pushing, the stopping and the resetting actions of the upper push rod (2) and the lower push rod (7) in the steps 1) and 3) are a plurality of, and the upper push rod (2) and the lower push rod (7) synchronously or respectively act in sequence and are driven by a pushing mechanism of a die or a press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513528.4A CN111604422A (en) | 2020-06-08 | 2020-06-08 | Method and device for cleaning and purging hot stamping die surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513528.4A CN111604422A (en) | 2020-06-08 | 2020-06-08 | Method and device for cleaning and purging hot stamping die surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111604422A true CN111604422A (en) | 2020-09-01 |
Family
ID=72202565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010513528.4A Pending CN111604422A (en) | 2020-06-08 | 2020-06-08 | Method and device for cleaning and purging hot stamping die surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111604422A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916738A (en) * | 2021-04-01 | 2021-06-08 | 天津一汽丰田汽车有限公司 | Method for preventing punch damage of frame number stamping surface of automobile stamping part, blowing device and die |
| CN113649458A (en) * | 2021-08-20 | 2021-11-16 | 恒大新能源汽车投资控股集团有限公司 | Stamping die |
| CN114769489A (en) * | 2022-06-17 | 2022-07-22 | 江苏双赢锻压机床有限公司 | Accurate die forging press of aluminum alloy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205763596U (en) * | 2016-05-26 | 2016-12-07 | 浙江海洋大学 | A kind of nut hot forging device controlled based on PLC |
| CN206392749U (en) * | 2016-12-30 | 2017-08-11 | 唐江浩 | A kind of diel ejecting mechanism |
| CN206689329U (en) * | 2017-03-31 | 2017-12-01 | 王奇 | A kind of punch press is machined automatic demoulding mechanism |
| CN206794531U (en) * | 2017-05-05 | 2017-12-26 | 深圳市瑞华新兴数码科技有限公司 | A kind of television set diel with sheet collecting device |
| CN108637095A (en) * | 2018-05-11 | 2018-10-12 | 杨杰 | It is a kind of that air-cooled cold-punching mold can be carried out to cavity |
-
2020
- 2020-06-08 CN CN202010513528.4A patent/CN111604422A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205763596U (en) * | 2016-05-26 | 2016-12-07 | 浙江海洋大学 | A kind of nut hot forging device controlled based on PLC |
| CN206392749U (en) * | 2016-12-30 | 2017-08-11 | 唐江浩 | A kind of diel ejecting mechanism |
| CN206689329U (en) * | 2017-03-31 | 2017-12-01 | 王奇 | A kind of punch press is machined automatic demoulding mechanism |
| CN206794531U (en) * | 2017-05-05 | 2017-12-26 | 深圳市瑞华新兴数码科技有限公司 | A kind of television set diel with sheet collecting device |
| CN108637095A (en) * | 2018-05-11 | 2018-10-12 | 杨杰 | It is a kind of that air-cooled cold-punching mold can be carried out to cavity |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916738A (en) * | 2021-04-01 | 2021-06-08 | 天津一汽丰田汽车有限公司 | Method for preventing punch damage of frame number stamping surface of automobile stamping part, blowing device and die |
| CN113649458A (en) * | 2021-08-20 | 2021-11-16 | 恒大新能源汽车投资控股集团有限公司 | Stamping die |
| CN114769489A (en) * | 2022-06-17 | 2022-07-22 | 江苏双赢锻压机床有限公司 | Accurate die forging press of aluminum alloy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111604422A (en) | Method and device for cleaning and purging hot stamping die surface | |
| CN201268078Y (en) | Compressed air demoulding system of thin wall deep cavity mould | |
| CN103111574B (en) | Automatic ink-jet blowing system for hot die forging press | |
| CS221923B2 (en) | Method of making the pressings from plasts and device for executing the said method | |
| JPH10225978A (en) | Rotary blow molder | |
| CN113319232B (en) | High-precision cold heading processing die for inner hexagon screws | |
| CN210791913U (en) | Automatic clean exhaust structure that blows of mould | |
| RU2437760C2 (en) | Device and method for processing fused plastic material dose | |
| CN105881843A (en) | High-pressure nitrogen in-die hot-cutting die | |
| CN103231492B (en) | Injection molding machine reclaiming manipulator | |
| CN112622203B (en) | Separation device and method for flat pin-free packaging lead frame and plastic packaging runner | |
| CN215417855U (en) | Controllable clean formula magnetism embryo die-casting make-up machine of intensity | |
| CN114700457A (en) | Forging ejection method for forging die and ejection structure and application thereof | |
| CN211614047U (en) | Device for cooling die | |
| CN209851081U (en) | Punching die | |
| CN113829609B (en) | Mold for molding automobile cleaning fluid water tanks and molding method thereof | |
| CN220808389U (en) | Mould structure suitable for artificial joint | |
| CN221559517U (en) | IC frame stamping die | |
| JPH10235634A (en) | Cleaning apparatus for press mold | |
| CN113580539B (en) | Pre-pressing and quick cooling device for molded product | |
| CN220426622U (en) | Anti-collision device for producing spare and accessory parts by using die | |
| CN109747140A (en) | Blowing dust-proof cover die with assisting demolding device | |
| CN2645889Y (en) | Push-rod type skeleton bare and oil sealed forming die | |
| JP3764354B2 (en) | Forging press with lubricant spraying device and method of spraying lubricant in forging press with lubricant spraying device | |
| CN219789243U (en) | Automatic punching structure for side groove of die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200901 |
|
| RJ01 | Rejection of invention patent application after publication |