CN114273505A - Stamping die - Google Patents
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- CN114273505A CN114273505A CN202210021023.5A CN202210021023A CN114273505A CN 114273505 A CN114273505 A CN 114273505A CN 202210021023 A CN202210021023 A CN 202210021023A CN 114273505 A CN114273505 A CN 114273505A
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Abstract
The invention relates to the technical field of dies, in particular to a stamping die. The stamping die includes: an upper module and a lower module; stripping plates; the floating mechanism is suitable for applying upward jacking force to the plate; according to the stamping die provided by the invention, in a die closing state, a first abdicating gap M is kept between at least part of the lower surface of the stripper plate and the upper surface of the lower die set, and the gap M meets the condition that M is larger than L; wherein L is the thickness of the plate, so that the plate is prevented from being damaged by pressing in the die due to scraps; under the die sinking state, the flotation mechanism is suitable for jack-up panel to preset height, and makes panel with the upper surface of lower module keeps second clearance of stepping down P, just the lower surface of stripper plate with the upper surface of lower module keeps third clearance of stepping down Q, wherein Q > P + L. Therefore, the plate is separated from the upper die set and the lower die set, and the aluminum plate is effectively prevented from being scraped due to friction with the upper template and the lower template when the aluminum plate is fed forwards.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a stamping die.
Background
The stamping process is a production technology for obtaining product parts with certain shape, size and performance by directly applying deformation force to a plate in a die by means of the power of conventional or special stamping equipment and deforming the plate. The stamping die is a special process equipment for processing a plate into a part in the stamping process, and is very important for the stamping process.
The scraps generated in the stamping process are easy to adhere to the die and the plate, and the plate is easy to crush when the upper die and the lower die are closed; burrs which do not fall off from the cut opening are easy to scratch the plate after the material belt is contacted with the upper die surface and the lower die surface or the floating insert in the advancing process.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the plate is easily damaged and scratched by material scraps during stamping in the prior art, so that the stamping die capable of preventing the plate from being damaged and scratched by the material scraps is provided.
In order to solve the above technical problem, the present invention provides a stamping die, including:
an upper module and a lower module;
the stripper plate is movably connected with the lower module, and a plate is suitable to be placed between the lower surface of the stripper plate and the upper surface of the lower module;
the floating mechanism is movably connected with the lower module and is suitable for applying an upward jacking force to the plate;
in a mold closing state, a first abdicating gap M is kept between at least part of the lower surface of the stripper plate and the upper surface of the lower mold set, and the gap M meets the condition that M is larger than L; wherein L is the thickness of the plate;
under the die sinking state, the flotation mechanism is suitable for jack-up panel to preset height, and makes panel with the upper surface of lower module keeps second clearance of stepping down P, just the lower surface of stripper plate with the upper surface of lower module keeps third clearance of stepping down Q, wherein Q > P + L.
Optionally, the floating mechanism comprises a floating block assembly and a floating needle assembly; the floating block assembly and the floating needle assembly are arranged on the lower die set.
Optionally, the stamping die further comprises a pushing mechanism, wherein the pushing mechanism comprises an upper ejector rod assembly and a lower ejector rod assembly;
the upper ejector rod component is arranged on the upper module; in the process of switching the mold from the mold opening state to the mold closing state, the upper ejector rod assembly is suitable for ejecting the stripper plate to be close to the upper surface of the lower mold set along the mold closing direction;
the lower ejector rod assembly is arranged on the lower module; in the process of switching the die from the die closing state to the die opening state, the lower ejector rod assembly is suitable for pushing the stripper plate to be far away from the upper surface of the lower die set along the die opening direction.
Optionally, the stamping die further comprises a height limiting column, and the height limiting column is arranged between the upper die set and the lower die set; when the mould is in a mould closing state, the height limiting columns are suitable for keeping the first abdicating gap M between at least partial area of the lower surface of the stripper plate and the upper surface of the lower mould set.
Optionally, the stamping die further comprises a material hooking pin, and the material hooking pin is arranged on the lower die set; when the die is in a die opening state, the material hooking pin is suitable for limiting the plate at a preset height, and the plate and the upper surface of the lower die set keep the second abdicating gap P.
Optionally, the stamping die further comprises a material belt, and the material belt is suitable for driving the plate to move along the discharging direction; when the mold is switched from a mold closing state to a mold opening state, the floating mechanism upwards supports the material belt to enable the material belt to be separated from and contacted with the upper surface of the lower mold set.
Optionally, the stamping die further comprises a pressing plate roller assembly, wherein the pressing plate roller assembly is arranged at the discharge end of the die and is suitable for clamping the plate on the material belt and pushing the plate to an external structure.
Optionally, the platen roller assembly includes an upper platen roller and a corresponding lower platen roller; the upper pressing plate roller is arranged on the stripping plate; the lower pressing plate roller is arranged on the lower die set.
Optionally, a bearing is arranged on the float block assembly.
Optionally, the stamping die further includes:
the punch is arranged on the upper module; a fillet is arranged at the cutting edge of the punch; an air inlet channel and a transverse air channel are formed at the edge of the punch; a smooth arc transition is arranged on the punch at a preset distance A from the cutting edge surface;
the insert is arranged on the lower die set; the cutting edge is in clearance fit with the punched hole of the insert.
The technical scheme of the invention has the following advantages:
1. according to the stamping die provided by the invention, through the arrangement of the floating mechanism, in a die closing state, at least part of the lower surface of the stripper plate and the upper surface of the lower die set keep a first abdicating gap M, wherein the gap M meets the condition that M is larger than L; wherein L is the thickness of the plate; so that the plate is separated from the lower die set, and the plate is prevented from being stamped by residual scraps in the die;
in the die opening state, the floating mechanism is suitable for jacking the plate to a preset height, a second abdicating gap P is kept between the plate and the upper surface of the lower die set, a third abdicating gap Q is kept between the lower surface of the stripper plate and the upper surface of the lower die set, and Q is more than P + L; so that the plate is separated from the upper die set and the lower die set, and the plate and the upper die set are prevented from being abraded and scratched when the plate is fed forward in the next stroke.
2. According to the stamping die provided by the invention, through arranging the pushing mechanism, when the die is in a die closing state, the upper ejector rod component pushes the stripper plate downwards so that at least part of the lower surface of the stripper plate keeps a first abdicating gap M with the upper surface of the lower die set, so that the plate is separated from the lower die set, and the plate is prevented from being crushed by residual scraps in the die;
when the die is in a die opening state, the upper ejector rod assembly and the upper surface of the stripper plate are in a separation state, and at the moment, the lower ejector rod assembly pushes the stripper plate to enable the lower surface of the stripper plate and the upper surface of the lower die set to keep a third abdicating gap Q, so that the stripper plate and the lower die set are prevented from scratching plates.
3. According to the stamping die provided by the invention, through the arrangement of the height limiting columns, when the die is in a die closing state, the height limiting columns are suitable for enabling at least partial areas of the lower surface of the stripper plate and the upper surface of the lower die set to keep a first abdicating gap M, wherein the gap M meets the condition that M is larger than L, and L is the thickness of a plate, so that the plate can be effectively prevented from being crushed by residual scraps in the die; meanwhile, the height limiting column can also form a supporting platform to prevent the die from deforming due to overlarge stress.
4. According to the stamping die provided by the invention, by arranging the material hooking pin, in the process that the die is switched from a die closing state to a die opening state, the floating mechanism pushes the material belt to enable the plate to move upwards; when the plate moves upwards to a preset height, the hooking pin is suitable for limiting the plate to the preset height, and the plate and the upper surface of the lower die set keep the second abdicating gap P so as to avoid scratching the plate by the lower die set and material scraps in the die of the lower die set.
5. According to the stamping die provided by the invention, through the arrangement of the pressing plate roller assembly, when the cutting-off and discharging are carried out, the upper die set moves towards the upper dead point, the stripper plate floats upwards to the third abdicating gap Q and then stops, the material belt is supported by the floating mechanism to be in a suspended position and is separated from contact with the upper die set and the lower die set, the upper pressing plate roller arranged on the stripper plate is driven by the elastic jacking force of the fifth spring to downwards press the material belt, and the upper pressing plate roller and the corresponding lower pressing plate roller clamp the cut-off plate together, so that the material belt is at a stable height;
the upper die set starts to move downwards after reaching the top dead center, and when reaching a feeding point, the feeding machine drives the material belt to push the cut plate out to the conveying belt through the upper pressing plate roller and the lower pressing plate roller; through both sides set up the clamp plate wheel components about the material area, both solved the panel ejection of compact problem, avoided panel again to produce the mar with the contact of mould part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a mold closing structure of a stamping mold according to the present invention;
FIG. 2 is a schematic view of a mold opening structure of the stamping mold according to the present invention;
FIG. 3 is a drawing of the sheet discharge from the stamping die of the present invention;
FIG. 4 is a schematic structural view of a punch and an insert of the stamping die of the present invention;
FIG. 5 is a schematic structural view of the upper and lower die cutting edges of the stamping die of the present invention;
fig. 6 is a schematic structural view of the plate.
Description of reference numerals:
101. mounting a template; 102. an upper splint; 103. an upper base plate; 104. an upper die holder; 201. a lower template; 202. a lower base plate; 2021. a height limiting column; 203. a lower die holder; 3. stripping plates; 41. a float block assembly; 411. a buoyant lift block; 412. a first spring; 413. a first plug screw; 4101. a bearing; 42. a float needle assembly; 421. a buoyant lift pin; 422. a second spring; 423. a second plug screw; 51. an upper ram assembly; 511. putting a knock rod; 512. a third spring; 513. a third plug screw; 52. a lower ejector rod assembly; 521. a lower striking rod; 522. a fourth spring; 523. a fourth plug screw; 6. a material hooking pin; 71. a material belt; 721. an upper platen roller; 722. pressing the plate roller downwards; 81. punching; 8101. cutting edges; 82. an insert; 8201. punching; 9. and (4) a conveyor belt.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The stamping die provided by the embodiment comprises:
an upper module and a lower module;
the stripper plate 3 is movably connected with the lower module, and a plate is suitable to be placed between the lower surface of the stripper plate 3 and the upper surface of the lower module;
the floating mechanism is movably connected with the lower module and is suitable for applying an upward jacking force to the plate;
in a mold closing state, a first abdicating gap M is kept between at least part of the lower surface of the stripper plate 3 and the upper surface of the lower die set, and the gap M meets the condition that M is larger than L; wherein L is the thickness of the plate;
under the die sinking state, the flotation mechanism is suitable for jack-up panel to preset height, and makes panel with the upper surface of lower module keeps second clearance of stepping down P, just the lower surface of stripper plate 3 with the upper surface of lower module keeps third clearance of stepping down Q, wherein Q > P + L.
In the mold closing state, at least a partial region of the lower surface of the stripper plate 3 and the upper surface of the lower mold set keep a first abdicating gap M, and other regions are attached to the plate. In this embodiment, the two ends of the stripper plate 3 along the length direction (as shown in fig. 6) of the plate are in a fit relationship with the plate to press down the plate, and the stripper plate 3 is spaced from the plate along the middle region of the length direction of the plate, so that a gap is conveniently formed, and the plate is prevented from being stamped by residual scraps in the mold.
Referring to fig. 1 and 2, in the present embodiment, the upper mold assembly includes an upper mold plate 101, an upper clamp plate 102, an upper backing plate 103, and an upper mold base 104; the upper template 101 is arranged at the bottom of the upper module and is suitable for fixing a punch; the upper clamping plate 102 is suitable for fixing the upper template 101 and clamping and positioning the punch; the upper backing plate 103 is arranged between the upper clamp plate 102 and the upper die holder 104, and is suitable for fixing a punch and bearing the acting force of the punch, so that the upper die holder 104 is prevented from being pressed out of a pit; the upper die holder 104 is suitable for bearing stamping force and is used for mounting the die core and the outer guide sleeve (column);
the lower die set comprises a lower die plate 201, a lower backing plate 202 and a lower die holder 203; the lower template 201 is suitable for fixing a lower die insert; the lower backing plate 202 is arranged between the lower template 201 and the lower die base 203 and is suitable for bearing stamping force and bearing and fixing a lower die insert; the lower die holder 203 is suitable for bearing stamping force and is used for mounting an outer guide post (sleeve).
Optionally, the stripper plate 3 is movably connected to the lower die set, and a plate is suitable to be placed between the lower surface of the stripper plate 3 and the upper surface of the lower die plate 201.
In a mold closing state, a first abdicating gap M is kept between at least part of the lower surface of the stripper plate 3 and the upper surface of the lower template 201, wherein the gap M satisfies that M is larger than L, and L is the thickness of the plate; so that the plate is separated from the lower template 201, thereby preventing the residual scraps in the die from impressing the plate;
in the state of opening the die, the floating mechanism is suitable for jacking the plate to a preset height, keeping a second abdicating gap P between the plate and the upper surface of the lower template 201, and keeping a third abdicating gap Q between the lower surface of the stripper plate 3 and the upper surface of the lower template 201, wherein Q is more than P + L; so that the plate is separated from the upper template 101 and the lower template 201, and the plate is effectively prevented from being scraped due to friction between the plate and the upper template 101 and the lower template 201 when the plate is fed forward in the next stroke.
Optionally, when the thickness L of the plate is 0.6mm, in the mold closing state, a first yielding gap M of 0.7mm is maintained between at least a partial region of the lower surface of the stripper plate 3 and the upper surface of the lower template 201, and the gap M satisfies that M > L;
in the state of opening the die, the floating mechanism is suitable for jacking the plate to a preset height, and keeping a second abdicating gap P of 5.0mm between the plate and the upper surface of the lower template 201, and keeping a third abdicating gap Q of 11.2mm between the lower surface of the stripper plate 3 and the upper surface of the lower template 201, wherein Q is greater than P + L.
Optionally, the stripper plate 3 is arranged on the lower die set, and the upper die punch moves upwards along with the upper die set and then is separated from the stripper plate 3, so that lubricating oil can be added regularly in production, and scraps can be prevented from being generated in punching; meanwhile, the scraps adhered to the punch are cleaned in time.
Specifically, the float mechanism comprises a float block assembly 41 and a float needle assembly 42; the float block assembly 41 and the float needle assembly 42 are disposed at the lower die set.
Optionally, the float block assembly 41 includes a float block 411, a first spring 412 and a first plug screw 413; the upper end of the floating block 411 abuts against the material belt, and the lower end of the floating block is located in a preset hole of the lower module and supported by the first spring 412; the other end of the first spring 412 is provided with a corresponding first plug screw 413; the first plug 413 is adapted to enable the first spring 412 to be compressed under a force, and the first plug 413 is used for adjusting the pre-pressure of the first spring 412.
Optionally, the float needle assembly 42 includes a float pin 421, a second spring 422 and a second screw plug 423; the upper end of the floating pin 421 abuts against the material belt, and the lower end is located in a preset hole of the lower module and supported by the second spring 422; the other end of the second spring 422 is provided with a corresponding second screw plug 423; the second screw 423 is adapted to enable the second spring 422 to be compressed under a force, the second screw 423 being used to adjust the pre-pressure of the second spring 422.
Specifically, the stamping die further comprises a pushing mechanism, wherein the pushing mechanism comprises an upper ejector rod assembly 51 and a lower ejector rod assembly 52;
the upper ejector rod assembly 51 is arranged on the upper module; in the process of switching the mold from the mold opening state to the mold closing state, the upper ejector rod assembly 51 is suitable for ejecting the stripper plate 3 to be close to the upper surface of the lower mold set along the mold closing direction;
the lower ejector rod assembly 52 is arranged on the lower die set; in the process of switching the mold from the mold closing state to the mold opening state, the lower ejector rod assembly 52 is suitable for pushing the stripper plate 3 away from the upper surface of the lower mold set along the mold opening direction.
Optionally, the upper ejector rod assembly 51 includes an upper striking rod 511, a third spring 512 and a third screw plug 513; in the process of switching the mold from the mold opening state to the mold closing state, the lower end of the upper striking rod 511 is suitable for pushing the stripper plate 3 to approach the upper surface of the lower mold set along the mold closing direction; the upper end of the upper striking rod 511 is positioned in a preset hole of the upper module and is supported by the third spring 512; the other end of the third spring 512 is provided with a corresponding third plug screw 513; the third screw 513 is adapted to enable the third spring 512 to be compressed under a force, the third screw 513 being used to adjust the pre-stress of the third spring 512.
Optionally, the lower ejector rod assembly 52 includes a lower striking rod 521, a fourth spring 522 and a fourth plug screw 523; in the process of switching the mold from the mold closing state to the mold opening state, the upper end of the lower striking rod 521 is suitable for pushing the stripper plate 3 to be far away from the upper surface of the lower mold set along the mold opening direction; the lower end of the lower striking rod 521 is positioned in a preset hole of the lower die set and is supported by the fourth spring 522; the other end of the fourth spring 522 is provided with a corresponding fourth plug screw 523; the fourth screw 523 is adapted to enable the fourth spring 522 to be compressed under a force, and the fourth screw 523 is used to adjust the pre-pressure of the fourth spring 522.
Optionally, when the mold is in a mold closing state, the ejection force of the upper striking rod 511 is greater than that of the lower striking rod 521, and the upper striking rod 511 presses the stripper plate 3 downward so that at least a partial region of the lower surface of the stripper plate 3 and the upper surface of the lower die set keep a first abdicating gap M, so that the plate is separated from the lower die set, and the plate is prevented from being crushed by residual scraps in the mold;
when the die is in a die opening state, the upper striking rod 511 is separated from the upper surface of the stripper plate 3, and at the moment, the lower striking rod 521 pushes the stripper plate 3 to enable the lower surface of the stripper plate 3 and the upper surface of the lower die set to keep a third abdicating gap Q, so that the lower die set is prevented from scratching the plate.
Specifically, the stamping die further comprises a height limiting column 2021, and the height limiting column 2021 is arranged between the upper die set and the lower die set; when the mold is in a mold closing state, the height-limiting column 2021 is adapted to maintain the first yielding gap M between the lower surface of the stripper plate 3 and the upper surface of the lower mold set.
In this embodiment, the height-limiting column 2021 is disposed on the lower mold set and adapted to control a mold-closing position; when the mold is in a mold closing state, the height limiting column 2021 is adapted to maintain the first abdicating gap M between at least a partial region of the lower surface of the stripper plate 3 and the upper surface of the lower mold set, and the gap M satisfies M > L; wherein L is the thickness of the plate, so that the plate can be effectively prevented from being crushed by residual material scraps in the die; meanwhile, the height limiting column 2021 can also form a supporting platform to prevent the die from deforming due to excessive stress.
As a modification, a first height limiting column and a second height limiting column may be further provided, the upper end of the first height limiting column is provided on the upper module, the lower end of the second height limiting column is provided on the lower module, and when the mold is in the mold closing state, the lower end of the first height limiting column abuts against the upper end of the second height limiting column, so that the first abdicating gap M is maintained between the lower surface of the stripper plate 3 and the upper surface of the lower module; a support platform is formed simultaneously to protect the mold and the internal insert.
Specifically, the stamping die further comprises a material hooking pin 6, and the material hooking pin 6 is arranged on the lower die set; when the die is in a die opening state, the hooking pin 6 is suitable for limiting the plate at a preset height, and the plate and the upper surface of the lower die set keep the second abdicating gap P.
Optionally, the hooking pin 6 is arranged on the lower module; in the process that the die is switched from a die closing state to a die opening state, the floating mechanism pushes the material belt to enable the plate to move upwards; when the plate moves upwards to a preset height, the hooking pin 6 is suitable for limiting the plate to the preset height, and the plate and the upper surface of the lower die set keep the second abdicating gap P so as to avoid scratching the plate by the lower die set and material scraps in the die of the lower die set.
Specifically, the stamping die further comprises a material belt 71, and the material belt 71 is suitable for driving the plates to move along the discharging direction; when the mold is switched from the mold closing state to the mold opening state, the floating mechanism supports the material belt 71 upward so as to be separated from and in contact with the upper surface of the lower mold unit.
Referring to fig. 3, the material belt 71 is disposed between the upper and lower die sets, and is adapted to support the plate material to move along the discharging direction; when the mold is switched from the mold closing state to the mold opening state, the spring of the floating mechanism extends and supports the material belt 71 upward so as to be separated from and in contact with the upper surface of the lower mold set.
Specifically, the stamping die further comprises a pressing plate roller assembly, wherein the pressing plate roller assembly is arranged at the discharge end of the die and is suitable for clamping the plate on the material belt 71 and pushing the plate to an external structure.
Specifically, the platen roller assembly includes an upper platen roller 721 and a corresponding lower platen roller 722; the upper platen roller 721 is provided on the stripper plate 3; the lower platen roller 722 is disposed on the lower module.
As shown in fig. 1, 2 and 3, in the present embodiment, the platen roller assembly includes an upper platen roller 721 and a corresponding lower platen roller 722; the upper pressing plate roller 721 is arranged on the stripping plate 3, and the upper pressing plate roller 721 is elastically connected with the stripping plate 3; the lower pressing plate roller 722 is arranged on the lower module, and the lower pressing plate roller 722 is elastically connected with the lower module.
Optionally, the upper platen roller 721 is elastically connected to the stripper plate 3 through a fifth spring (not shown in the figure); the lower platen roller 722 is elastically connected with the lower module through the first spring 412.
When the cutting and discharging are carried out, the upper die set moves towards an upper dead point, the stripper plate 3 floats upwards to the third abdicating gap Q and stops, the material belt 71 is supported by the floating mechanism to be at a suspension position and is separated from contact with the upper template 101 and the lower template 201, an upper pressure plate roller 721 arranged on the stripper plate 3 is driven by the elastic jacking force of the fifth spring to press the material belt 71 downwards, and the material belt and the corresponding lower pressure plate roller 722 jointly clamp the cut plate to enable the cut plate to be at a stable height;
when the upper module reaches the top dead center, the upper module starts to move downwards, and when the upper module reaches a feeding point, the feeder drives the material belt 71 to push the cut plate out to the conveyor belt 9 through the upper pressing plate roller 721 and the lower pressing plate roller 722; through both sides set up the clamp plate roller components about material area 71, both solved the panel ejection of compact problem, avoided panel again to produce the mar with the contact of mould part.
Specifically, the float block assembly 41 is provided with a bearing 4101.
Optionally, a bearing 4101 is arranged on the buoyancy lifting block 411 of the buoyancy block assembly 41; the pushing end of the floating pin 421 of the floating needle assembly 42 is round, so as to effectively reduce the friction force when contacting with the plate and avoid the scraping phenomenon when the plate is fed forward.
Optionally, the bearing 4101 is selected from the group consisting of, but not limited to, a resin bearing.
Specifically, the stamping die further includes:
the punch 81 is arranged on the upper module; a fillet is arranged at the cutting edge of the punch 81; an air inlet channel and a transverse air channel are formed in the cutting edge of the punch 81; a smooth arc transition is arranged on the punch 81 at a preset distance A from the cutting edge surface;
the insert 82 is arranged on the lower die set; the cutting edge is in clearance fit with the punched hole of the insert 82.
Referring to fig. 4 and 5, in the present embodiment, the punch 81 is disposed on the upper die set, and the insert 82 is disposed on the lower die set; a fillet R is arranged at the position of the cutting edge 8101 of the punch 81; an air inlet channel and a transverse air channel are formed in the position of the cutting edge 8101 of the punch 81; a smooth arc transition is arranged on the punch 81 at a preset distance A from the cutting edge surface; the cutting edge 8101 is in clearance fit with the punched hole 8201 of the insert 82, so that the cutting edge 8101 is prevented from rubbing against the hole wall of the punched hole 8201 to generate scraps when the punch 81 is pulled back through a plate material, and the scraps are prevented from adhering to the cutting edge.
Optionally, the punch 81 is made of cemented carbide (SANDVIK H10F) + BALINIT TRITON STAR as a coating.
Optionally, the cutting edge 8101 of the punch 81 is polished and rounded by 0.05 mm.
Optionally, a smooth arc transition is arranged on the punch 81 at a preset distance of 0.5mm from the cutting edge surface.
Optionally, an air inlet channel and a transverse air channel are arranged at the position of the cutting edge 8101 of the punch 81, and are used for blowing out waste materials to prevent scrap jumping and sticking.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A stamping die, comprising:
an upper module and a lower module;
the stripper plate (3) is movably connected with the lower die set, and a plate is suitable to be placed between the lower surface of the stripper plate (3) and the upper surface of the lower die set;
the floating mechanism is movably connected with the lower module and is suitable for applying an upward jacking force to the plate;
in a mold closing state, a first abdicating gap M is kept between at least part of the lower surface of the stripper plate (3) and the upper surface of the lower die set, and the gap M meets the condition that M is larger than L; wherein L is the thickness of the plate;
under the die sinking state, the float mechanism is suitable for jack-up panel to preset height, and makes panel with the upper surface of lower module keeps second clearance of stepping down P, just the lower surface of stripper plate (3) with the upper surface of lower module keeps third clearance of stepping down Q, wherein Q > P + L.
2. The stamping die of claim 1, wherein the float mechanism includes a float block assembly (41) and a float needle assembly (42); the floating material block assembly (41) and the floating material needle assembly (42) are arranged on the lower die set.
3. The stamping die of claim 1, further comprising an ejector mechanism including an upper ram assembly (51) and a lower ram assembly (52);
the upper ejector rod component (51) is arranged on the upper die set; in the process of switching the mould from the mould opening state to the mould closing state, the upper ejector rod component (51) is suitable for ejecting the stripper plate (3) to be close to the upper surface of the lower mould set along the mould closing direction;
the lower ejector rod assembly (52) is arranged on the lower die set; in the process of switching the mould from the mould closing state to the mould opening state, the lower ejector rod assembly (52) is suitable for pushing the stripper plate (3) to be far away from the upper surface of the lower mould set along the mould opening direction.
4. The stamping die of claim 1, further comprising a height limiting column (2021), wherein the height limiting column (2021) is disposed between the upper die set and the lower die set; when the mould is in a mould closing state, the height limiting column (2021) is suitable for keeping the first abdicating gap M between at least partial area of the lower surface of the stripper plate (3) and the upper surface of the lower mould set.
5. The stamping die according to claim 1, further comprising a hook pin (6), wherein the hook pin (6) is arranged on the lower die set; when the die is in a die opening state, the material hooking pin (6) is suitable for limiting the plate to a preset height, and the plate and the upper surface of the lower die set keep the second abdicating gap P.
6. The stamping die of claim 2, further comprising a strip of material (71), the strip of material (71) adapted to move the sheet material in a discharge direction; when the mould is switched from a mould closing state to a mould opening state, the floating mechanism upwards supports the material belt (71) to be separated from and contacted with the upper surface of the lower mould set.
7. The stamping die of claim 6, further comprising a platen roller assembly (72), the platen roller assembly (72) being disposed at a discharge end of the die and adapted to grip and push the sheet material on the strip of material (71) to an external structure.
8. The press die of claim 7, wherein the platen roller assembly (72) includes an upper platen roller (721) and a corresponding lower platen roller (722); the upper pressure plate roller (721) is arranged on the stripping plate (3); the lower pressing plate roller (722) is arranged on the lower module.
9. Stamping die according to claim 2, wherein a bearing (4101) is provided on the float block assembly (41).
10. The stamping die of claim 1, further comprising:
the punch (81), the punch (81) is arranged on the upper die set; a fillet is arranged at the cutting edge of the punch (81); an air inlet channel and a transverse air channel are formed in the cutting edge of the punch (81); a smooth arc transition is arranged on the punch (81) at a preset distance A from the cutting edge surface;
the insert (82) is arranged on the lower die set; the cutting edge is in clearance fit with the punching hole of the insert (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021023.5A CN114273505A (en) | 2022-01-10 | 2022-01-10 | Stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021023.5A CN114273505A (en) | 2022-01-10 | 2022-01-10 | Stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114273505A true CN114273505A (en) | 2022-04-05 |
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ID=80880624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210021023.5A Pending CN114273505A (en) | 2022-01-10 | 2022-01-10 | Stamping die |
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| Country | Link |
|---|---|
| CN (1) | CN114273505A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713717A (en) * | 2022-04-08 | 2022-07-08 | 荣成歌尔科技有限公司 | Stamping die and workpiece processing method |
-
2022
- 2022-01-10 CN CN202210021023.5A patent/CN114273505A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713717A (en) * | 2022-04-08 | 2022-07-08 | 荣成歌尔科技有限公司 | Stamping die and workpiece processing method |
| CN114713717B (en) * | 2022-04-08 | 2023-12-29 | 荣成歌尔科技有限公司 | Stamping die and workpiece processing method |
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