CN214977119U

CN214977119U - High-efficient circulator apron stamping die

Info

Publication number: CN214977119U
Application number: CN202120510004.XU
Authority: CN
Inventors: 李海源
Original assignee: Dongguan Shengyuan Precision Hardware Products Co ltd
Current assignee: Dongguan Shengyuan Precision Hardware Products Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-12-03
Anticipated expiration: 2031-03-10

Abstract

The utility model belongs to the technical field of the circulator, especially, relate to a high-efficient circulator apron stamping die, including lower fixed mould and upper punch die, the surface of lower fixed mould is provided with first support column and second support column, and first support column and second support column form the material area pipeline that supplies the material area to carry, are provided with first supporting groove on the first support column, are provided with second supporting groove on the second support column, during punching press, the both sides of material area are placed respectively on first supporting groove and second supporting groove, can make the material area keep away from the surface of lower fixed mould and carry through the setting in first supporting groove and second supporting groove, effectively promote the material conveying rate in material area; during the punching press, two disc stamping columns form two relative semi-circular arc faces on the surface in material area, can form the disc on the surface in material area through the combination of a plurality of semi-circular arc faces, and the disc in material area further becomes the boss at boss stamping column, makes the preparation efficiency of circulator apron show the promotion under this stamping die's punching press.

Description

High-efficient circulator apron stamping die

Technical Field

The utility model belongs to the technical field of the circulator, especially, relate to a high-efficient circulator apron stamping die.

Background

The circulator is a device for making electromagnetic wave transmit in one-way ring shape, and the circulator with one-way ring characteristic is used in both modern radar and microwave multi-path communication systems.

The basic structure of the circulator comprises a cover plate and a cavity, wherein a pressing buckle protrusion is arranged on the cover plate, a buckling groove matched with the pressing buckle protrusion is formed in the cavity, and the pressing buckle protrusion is buckled into the buckling groove to assemble the circulator.

The apron of current circulator generally is through punching press the material area by dedicated stamping die, stamping die includes lower fixed mould and upper punch die, lower fixed mould and upper punch die all are fixed in on the lathe, during the punching press, the material area conveys on lower fixed mould, in the data send process, the lathe drives the upper punch die and descends and punches a hole to the material area, and a plurality of sizes and the same disc of thickness are punched out, form the boss in the central authorities of disc after the disc punching press is accomplished, the manufacturing process of apron can be accomplished in the disc punching out that will form the boss.

Although the existing die can be used for manufacturing the cover plate of the circulator, the conveying process of the material belt on the lower fixed die is generally carried out by adhering to the surface of the lower fixed die, and due to the existence of hole positions on the surface of the lower fixed die, the conveying work of the material belt is easily hindered, so that the manufacturing efficiency of the material belt is reduced, and the punching precision of the cover plate is reduced due to the fact that the material belt is easily deviated in the conveying process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient circulator apron stamping die aims at solving the technical problem that the manufacturing efficiency of circulator apron among the prior art is not high.

In order to achieve the above object, an embodiment of the present invention provides a stamping die for a cover plate of a high-efficiency circulator, including a lower fixed die and an upper stamping die fixed on a machine tool, the upper stamping die and the lower fixed die are relatively arranged and located above the lower fixed die, the surface of the lower fixed die is provided with a plurality of first supporting columns arranged at a plurality of intervals and a plurality of second supporting columns arranged relatively to the first supporting columns, each of the first supporting columns is close to a first supporting groove arranged on one side of a material supply belt and provided with a second supporting groove arranged relatively to the first supporting groove and provided with a second supporting groove arranged on the other side of the material supply belt, the lower fixed die is provided with a punching hole position, a boss punching position and a secondary punching hole position according to a sequence along a transmission direction of the material belt, the punching hole position is punched once, The punching mechanism comprises a first support groove, a second support groove, a boss punching position and a secondary punching position, wherein the boss punching position and the secondary punching position are both positioned between the first support groove and the second support groove, a boss punching column, a cover plate punching column and two round punching columns are fixed on an upper punching die, the two round punching columns are oppositely arranged and positioned above the primary punching position, semicircular arc surfaces are respectively arranged on two opposite side surfaces of the two round punching columns, the round punching columns are used for punching a material strip and forming a disc on the surface of the material strip, boss round holes are arranged on the boss punching position, the boss punching column is positioned right above the boss punching position and used for punching the surface of the disc of the material strip to form a boss, the cover plate punching column is positioned above the secondary punching position and used for punching the disc of the material strip, and punching the disc with the boss out of the material belt.

Optionally, a material breaking punching column is further fixed on the upper punching die, a material belt punching position is further provided at the end of the lower fixed die, the material breaking punching column is located above the material belt punching position, a material breaking buffer inclined plane is provided at the side of the lower fixed die, and the material breaking buffer inclined plane is located at one side of the material belt punching position.

Optionally, the lower fixed die includes a base die, a disc punch hole and a cover plate punch hole corresponding to the circular face punching column and the cover plate punching column respectively are provided on a surface of the base die, a shape of the disc punch hole and a shape of the cover plate punch hole are respectively the same as a cross-sectional shape of the circular face punching column and a cross-sectional shape of the cover plate punching column, and both the disc punch hole and the cover plate punch hole penetrate through the base die.

Optionally, the lower fixed die further comprises two oppositely arranged supporting dies, the base die is fixed above the two supporting dies, a cover plate output channel is arranged between the two supporting dies, and the disc punching hole and the cover plate punching hole are communicated with the cover plate output channel.

Optionally, the lower fixed die further includes a plurality of support springs, a stroke cavity corresponding to the support springs is provided inside the base die, the first support column and the second support column both extend into the stroke cavity and are slidably connected to the base die, and the support springs are provided in the stroke cavity.

Optionally, a thread adjusting part is arranged inside the stroke cavity, the thread adjusting part is in threaded connection with the inner wall of the stroke cavity, one end of the supporting spring abuts against the thread adjusting part, and the other end of the supporting spring abuts against the first supporting column and the second supporting column.

Optionally, the first support column and the second support column each include a connecting portion, an abutting end and a supporting end, the abutting end is located at one end of the connecting portion close to the stroke cavity and abuts against the support spring, the supporting end is located at one end of the abutting end far away from the stroke cavity and extends to the upper side of the base die, and the radius of the connecting portion is smaller than the widths of the abutting end and the supporting end.

Optionally, the base mould includes well mould and is fixed in the top mould and the die block of the both sides of well mould, the die block is fixed in support on the mould, connecting portion set up in the inside of well mould, the stroke chamber set up in the inside of die block, support the end by extend to in the top mould the top of top mould.

Optionally, a support limiting hole corresponding to the support end is formed in the upper stamping die, and the support end is located in the support limiting hole when the upper stamping die performs stamping.

Optionally, a support table is disposed on a surface of the support end away from the first support groove and the second support groove, and when the upper stamping die performs stamping, the bottom surface of the upper stamping die abuts against the support table.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the high-efficient circulator apron stamping die have one of following technological effect at least: the stamping die for the cover plate of the circulator comprises a lower fixed die and an upper stamping die, wherein the lower fixed die is fixed and the upper stamping die is driven by a machine tool to ascend or descend towards the lower fixed die, a plurality of first supporting columns arranged at intervals and a plurality of second supporting columns arranged opposite to the first supporting columns are arranged on the surface of the lower fixed die, the first supporting columns and the second supporting columns form a material belt conveying channel for conveying a material belt, the first supporting columns and the second supporting columns can limit the material belt to avoid the material belt from deviating in the conveying process, a first supporting groove arranged on one side of the material belt is arranged on one side of the first supporting columns close to the second supporting columns, a second supporting groove arranged opposite to the first supporting groove and arranged on the other side of the material belt is arranged on one side of the second supporting columns close to the first supporting columns, during stamping, two sides of the material belt are respectively arranged on the first supporting groove and the second supporting groove, the material belt can be far away from the surface of the lower fixed die to be conveyed through the arrangement of the first supporting groove and the second supporting groove, so that the conveying rate of the material belt is effectively improved; the lower fixed mould is provided with a primary punching position, a boss punching position and a secondary punching position in sequence along the transmission direction of the material strip, a boss punching column, a cover plate punching column and two round surface punching columns are fixed on the upper punching mould, when punching, the front end of the material belt of the first two round stamping columns is punched, so that holes with the same cross section as the round stamping columns are formed on the surface of the material belt, because the two opposite side surfaces of the two circular surface stamping columns are provided with the semicircular cambered surfaces, two opposite semicircular surfaces can be formed on the surface of the material belt after punching, and a disc can be formed on the surface of the material belt through the combination of a plurality of semicircular surfaces, the connecting strips on the side edges of the disc are fixedly connected with the material belt, the disc of the material belt further forms a boss on the boss punching column, and the discharge belt is punched under the punching of the cover plate punching column, the manufacturing of the circulator cover plate is finally completed, and the manufacturing efficiency of the circulator cover plate is obviously improved under the punching of the punching die.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a stamping die for a cover plate of a high-efficiency circulator according to an embodiment of the present invention.

Fig. 2 is a side view of a high-efficiency circulator cover plate stamping die provided by the embodiment of the invention.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is a sectional view taken along line B-B in fig. 2.

Fig. 5 is a sectional view taken along line C-C in fig. 2.

Fig. 6 is a schematic structural diagram of a lower fixed mold of a high-efficiency circulator cover plate stamping die according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an upper punch die of a high-efficiency circulator cover plate stamping die according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of the material belt provided by the present invention.

Wherein, in the figures, the respective reference numerals:

10-lower fixed die 11-first support column 12-second support column

13-material belt conveying channel 14-one-time hole punching position 15-boss punching position

16-secondary punching hole position 17-material belt punching position 20-upper punching die

21-boss stamping column 22-cover plate stamping column 23-round surface stamping column

24-limiting punching column 25-limiting column 26-driving die

27-buffer die 28-bolt 29-damping spring

30-base die 31-top die 32-middle die

33-bottom die 34-boss forming hole 35-disc punching

36-cover plate punching 37-positioning hole 40-supporting die

41-cover plate output channel 50-damping component 51-damping column

52-stroke spring 53-buffer sleeve 111-first supporting groove

112-support table 121-second support groove 122-connecting part

123-abutting end 124-supporting end 125-supporting spring

231-semicircular cambered surface 261-buffer hole 271-positioning column

272-support limit hole 273-material-breaking punching column 281-screw

282-thread insert 311-material-breaking buffer inclined plane 331-stroke cavity

332-thread adjusting piece 341-boss forming column 342-reset spring

531 friction projection 10a, material belt 11a and disk

12 a-boss 14 a-limit hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, a stamping die for a cover plate of a high-efficiency circulator is provided, including a lower fixed die 10 and an upper stamping die 20 fixed on a machine tool, the upper stamping die 20 and the lower fixed die 10 are disposed relatively and located above the lower fixed die 10, a surface of the lower fixed die 10 is provided with a plurality of first supporting pillars 11 disposed at intervals and a plurality of second supporting pillars 12 disposed relatively to each of the first supporting pillars 11, one surface of each first supporting pillar 11 close to the second supporting pillar 12 is provided with a first supporting groove 111 for placing one side of a material belt 10a, one surface of each second supporting pillar 12 close to the first supporting pillar 11 is provided with a second supporting groove 121 disposed relatively to the first supporting groove 111 for placing the other side of the material belt 10a, the lower fixed die 10 is sequentially provided with a first stamping 14, a second stamping 14, and a second stamping 12 along a transmission direction of the material belt 10a, A boss punching position 15 and a secondary punching position 16, wherein the primary punching position 14, the boss punching position 15 and the secondary punching position 16 are located between the first support groove 111 and the second support groove 121, a boss punching column 21, a cover plate punching column 22 and two circular surface punching columns 23 are fixed on the upper punching die 20, the two circular surface punching columns 23 are oppositely arranged and located above the primary punching position 14, two opposite side surfaces of the two circular surface punching columns 23 are respectively provided with a semicircular arc surface 231, the circular surface punching columns 23 are used for punching the material strip 10a and forming a circular disc 11a on the surface of the material strip 10a, the boss punching position 15 is provided with a boss 12a circular hole, the boss punching column 21 is located right above the boss punching position 15, the boss punching column 21 is located above the boss punching position 15 and is used for punching the surface of the circular disc 11a of the material strip 10a to form a boss 12a, the cover plate punching column 22 is located above the secondary punching holes 16 and is used for punching the disc 11a of the material strip 10a and punching the disc 11a with the boss 12a out of the material strip 10 a.

Specifically, the stamping die for the cover plate of the circulator comprises a lower fixed die 10 and an upper stamping die 20, when the stamping die works, the lower fixed die 10 is fixed, the upper stamping die 20 is driven by a machine tool to ascend or descend towards the direction of the lower fixed die 10, the surface of the lower fixed die 10 is provided with a plurality of first supporting columns 11 arranged at intervals and a plurality of second supporting columns 12 arranged opposite to the first supporting columns 11, the first supporting columns 11 and the second supporting columns 12 are connected to form a material belt conveying channel 13 for conveying the material belt 10a, the first supporting columns 11 and the second supporting columns 12 can limit the material belt 10a to avoid the material belt 10a from deviating in the conveying process, one surface of the first supporting column 11, which is close to the second supporting columns 12, is provided with a first supporting groove 111 for placing one side of the material belt 10a, one surface of the second supporting columns 12, which is close to the first supporting columns 11, is provided with a second supporting groove 121 arranged opposite to the first supporting groove 111 for placing the other side of the material belt 10a, during stamping, two sides of the material belt 10a are respectively placed on the first supporting groove 111 and the second supporting groove 121, and the material belt 10a can be conveyed away from the surface of the lower fixed die 10 through the arrangement of the first supporting groove 111 and the second supporting groove 121, so that the conveying rate of the material belt 10a is effectively improved; the lower fixed die 10 is sequentially provided with a primary punching position 14, a boss punching position 15 and a secondary punching position 16 along the conveying direction of the material strip 10a, the upper punching die 20 is fixed with a boss punching column 21, a cover plate punching column 22 and two round surface punching columns 23, during punching, the front end of the first material strip 10a of the two round surface punching columns 23 is punched, so that holes with the same section as that of the round surface punching columns 23 are formed on the surface of the material strip 10a, as the two opposite side surfaces of the two round surface punching columns 23 are respectively provided with a semicircular arc surface 231, after punching, two opposite semicircular arc surfaces can be formed on the surface of the material strip 10a, a circular disc 11a can be formed on the surface of the material strip 10a through the combination of a plurality of the semicircular arc surfaces, and a connecting strip on the side edge of the circular disc 11a is fixedly connected with the material strip 10a, the circular disc 11a of the material strip 10a further forms a boss 12a on the boss punching column 21, and the discharge belt 10a is punched under the punching of the cover plate punching column 22, finally the manufacture of the circulator cover plate is completed, and the manufacturing efficiency of the circulator cover plate is obviously improved under the punching of the punching die.

In another embodiment of the present invention, two boss forming pillars 341 are disposed in the boss forming holes 34, two return springs 342 are disposed inside the lower fixing mold 10, two return springs 342 are disposed at one end of each of the boss forming pillars 341 and two ends of each of the return springs 342 abut against the inner wall of the lower fixing mold 10.

Specifically, with the above arrangement, when the primary boss 12a on the surface of the disc 11a enters the boss forming hole 34, the primary boss 12a abuts against the boss forming column 341 and compresses the return spring 342, so as to facilitate the forming of the primary boss 12a, and prevent the primary boss 12a from being clamped in the boss forming hole 34 and being unable to be reset when the upper stamping die 20 is lifted, thereby facilitating the ejection of the boss 12a from the boss forming hole 34.

In another embodiment of the present invention, the upper stamping die 20 is further fixed with a material breaking punching column 273, the end of the lower fixed die 10 is further provided with a material strip punching position 17, the material breaking punching column 273 is located above the material strip punching position 17, the side of the lower fixed die 10 is provided with a material breaking buffer inclined plane 311, and the material breaking buffer inclined plane 311 is located on one side of the material strip punching position 17. Specifically, after the tape 10a is punched, the tape is punched at the tape punching position 17 at the tail end of the tape conveying path 13 by the material-cutting punching column 273, and the punched waste is guided out by the buffer inclined plane 311.

In another embodiment of the present invention, the upper punch mold 20 includes a bolt 28, a driving mold 26 and a cushion mold 26 located below the driving mold 26, the bolt 28 includes a screw 281 and a threaded sleeve 282, the screw 281 and the cushion mold 26 are connected by screw threads and extend towards the driving mold 26, the threaded sleeve 282 is sleeved on the surface of the screw 281 and connected by screw threads, the driving mold 26 is connected by sliding of the threaded sleeve 282, the boss punching column 21, the cover plate punching column 22 and the circular face punching column 23 are all fixed on the punching mold and extend to the inside of the cushion mold 26.

Specifically, the cushion die 26 and the driving die 26 are connected by the bolt 28, and since the threaded sleeve 282 of the bolt 28 is slidably connected with the driving die 26, during punching, the cushion die 26 will abut against the surface of the lower fixed die 10, and drive the cushion die 26 and the bolt 28 to rise, and expose the boss punching column 21, the cover plate punching column 22 and the round surface punching column 23 for punching respectively, and the cushion die 26 can protect the boss punching column 21, the cover plate punching column 22 and the round surface punching column 23 on one hand, and prevent the boss punching column 21, the cover plate punching column 22 and the round surface punching column 23 from deforming during punching on the other hand.

In another embodiment of the present invention, the upper punch die 20 further comprises a damping spring 29, the damping spring 29 being located between the drive die 26 and the cushion die 26 and abutting against the drive die 26 and the cushion die 26. Specifically, the damper spring 29 is compressed when the cushion die 26 is raised, and the cushion die 26 is prevented from colliding with the drive die 26 when raised, thereby protecting the structure of the upper punch 20 and reducing vibration generated in the upper punch 20 during punching.

In another embodiment of the present invention, the lower fixed die 10 includes a base die 30, the surface of the base die 30 is provided with a disc punch hole 35 and a cover punch hole 36 corresponding to the circular face punching column 23 and the cover punching column 22, respectively, the shape of the disc punch hole 35 and the shape of the cover punch hole 36 are the same as the cross-sectional shape of the circular face punching column 23 and the cross-sectional shape of the cover punching column 22, respectively, and the disc punch hole 35 and the cover punch hole 36 all penetrate through the base die 30. Specifically, with the above arrangement, the waste and the cover punched by the circular surface punching and cover plate punching column 22 fall below the base die 30 through the circular disk punching 35 and the cover plate punching 36, respectively, and are output through another conveying passage, which provides convenience for the output work of the cover plate and the waste.

In another embodiment of the present invention, the lower fixed mold 10 further comprises two opposite supporting molds 40, the base mold 30 is fixed on two of the supporting molds 40, two of the cover plate output channels 41 are arranged between the supporting molds 40, and the disc punch 35 and the cover plate punch 36 are communicated with the cover plate output channels 41. Specifically, the support die 40 facilitates the fixing work of the lower fixed die 10 to the machine tool, and the cover output passage 41 provided between the support dies 40 facilitates the output of the cover and the waste.

In another embodiment of the present invention, the lower fixed mold 10 further comprises a plurality of supporting springs 125, the inside of the base mold 30 is provided with a stroke cavity 331 corresponding to the supporting springs 125, the first supporting column 11 and the second supporting column 12 all extend into the stroke cavity 331 and are slidably connected to the base mold 30, and the supporting springs 125 are disposed in the stroke cavity 331. Specifically, during punching, the lower fixed mold 10 presses the first support column 11 and the second support column 12 downward and compresses the support springs 125, and drives the material strip 10a to descend, so that the material strip 10a is finally attached to the surface of the lower fixed mold 10, thereby facilitating the punching of the upper punch 20 on the material strip 10 a.

In another embodiment of the present invention, a threaded adjusting part 332 is disposed inside the stroke cavity 331, the threaded adjusting part 332 is in threaded connection with the inner wall of the stroke cavity 331, one end of the supporting spring 125 abuts against the threaded adjusting part 332, and the other end of the supporting spring 125 abuts against the first supporting column 11 and the second supporting column 12. Specifically, the compression stroke of the support spring 125 can be adjusted by adjusting the threaded adjustment member 332 to adjust the punching force when the upper punch 20 punches the material strip 10 a.

In another embodiment of the present invention, the first supporting column 11 and the second supporting column 12 each include a connecting portion 122, a butt end 123 and a supporting end 124, the butt end 123 is located at a position where the connecting portion 122 is close to one end of the stroke cavity 331 and abuts against the supporting spring 125, the supporting end 124 is located at a position where the butt end 123 is far away from one end of the stroke cavity 331 and extends to the top of the base mold 30, and the radius of the connecting portion 122 is smaller than the width of the butt end 123 and the supporting end 124. Specifically, the abutting end 123 and the supporting end 124 can facilitate the abutment of the supporting spring 125 and the pressing of the upper punch 20, respectively, and the connecting portion 122 can facilitate the balance of the first supporting column 11 and the second supporting column 12, and facilitate the sliding of the first supporting column 11 and the second supporting column 12 on the lower fixing die 10.

In another embodiment of the present invention, the base mold 30 includes a middle mold 23 and a top mold 31 and a bottom mold 33 fixed on two sides of the middle mold 23, the bottom mold 33 is fixed on the supporting mold 40, the connecting portion 122 is disposed inside the middle mold 32, the stroke cavity 331 is disposed inside the bottom mold 33, and the supporting end 124 is extended inside the top mold 31 to the top of the top mold 31. Specifically, since the radius of the connecting portion 122 is different from the widths of the abutting end 123 and the supporting end 124, dividing the lower fixed die 10 into three parts for manufacturing effectively reduces the difficulty in processing the lower fixed die 10.

In another embodiment of the present invention, the upper stamping die 20 is provided with a supporting limiting hole 272 corresponding to the supporting end 124, and when the upper stamping die 20 performs stamping, the supporting end 124 is located in the supporting limiting hole 272. Specifically, the arrangement of the support limiting hole 272 can effectively prevent the first support column 11 and the second support column 12 from shifting during stamping, so that unnecessary friction between the first support column 11 and the second support column 12 and the lower fixed mold 10 is caused, and the service life of the stamping mold is effectively prolonged.

In another embodiment of the present invention, a supporting platform 112 is disposed on one side of the supporting end 124 away from the first supporting groove 111 and the second supporting groove 121, and when the upper stamping die 20 stamps, the bottom surface of the upper stamping die 20 is abutted against the supporting platform 112. Specifically, the first support column 11 and the second support column 12 are pressed by the support table 112, which facilitates the punching of the strip 10 a.

In the utility model discloses a further embodiment, still be fixed with spacing punching post 24 and spacing post 25 on the upper punch die 20, spacing punching post 24 is located once towards the top of hole site 14, spacing post 25 is located once towards hole site 14 boss punching position 15 with the secondary towards the top of hole site 16, the punching post is used for forming spacing hole 14a at the surface punching press of material area 10a, during the punching press, spacing post 25 inserts in spacing hole 14 a.

Specifically, during punching, the limiting punching column 24 punches the surface of the material strip 10a at the front end of the material strip 10a to form the limiting hole 14a, and when the boss 12a and the disc 11a are punched, the limiting column 25 enters the limiting punching column 24 to limit the material strip 10a, so that the material strip 10a is prevented from deviating in the punching process, and the punching precision of the cover plate is effectively improved.

In another embodiment of the present invention, the stamping die further includes a positioning column 271, the positioning column 271 is fixed on the upper stamping die 20, the positioning hole 37 is provided on the lower fixing die 10, and the positioning column 271 is inserted into the positioning hole 37 when stamping, and the positioning column 25 is disposed relatively to the positioning hole 37. Specifically, the positioning posts 271 can effectively prevent the upper punch 20 and the lower fixed die 10 from shifting during the punching process, and effectively improve the punching accuracy of the cover plate.

In another embodiment of the present invention, the stamping die further includes a damping component 50, the damping component 50 includes a damping post 51, a stroke spring 52 and a buffering sleeve 53, the damping post 51 is fixed on the lower fixed die 10, the stroke spring 52 spring and the buffering sleeve 53 are all sleeved on the surface of the damping post 51, one end of the stroke spring 52 is abutted against the lower fixed die 10, the other end of the stroke spring 52 is abutted against the buffering sleeve 53, the upper stamping die 20 is provided with a buffering hole 261 corresponding to the buffering sleeve 53, and during stamping, the buffering sleeve 53 enters into the inside of the buffering hole 261. Specifically, during punching, the stroke spring 52 is driven by the cushion collar 53 to compress the stroke spring 52, so as to reduce the impact on the lower fixed die 10 during punching by the lower punch die and reduce the vibration generated during punching by the punch die.

In another embodiment of the present invention, the surface of the buffer sleeve 53 is provided with a plurality of friction protrusions 531.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A high-efficiency circulator cover plate stamping die comprises a lower fixed die and an upper stamping die, wherein the lower fixed die is fixed on a machine tool, the upper stamping die is arranged opposite to the lower fixed die and is positioned above the lower fixed die, and the stamping die is characterized in that: the surface of the lower fixed die is provided with a plurality of first supporting columns arranged at intervals and a plurality of second supporting columns arranged opposite to the first supporting columns, one side, close to the second supporting columns, of each first supporting column is provided with a first supporting groove for placing one side of a material belt, one side, close to the first supporting column, of each second supporting column is provided with a second supporting groove which is arranged opposite to the first supporting groove and for placing the other side of the material belt, the lower fixed die is sequentially provided with a primary punching position, a boss punching position and a secondary punching position along the transmission direction of the material belt, the primary punching position, the boss punching position and the secondary punching position are all positioned between the first supporting groove and the second supporting groove, boss punching columns, a cover plate punching column and two circular hole punching columns are fixed on the upper punching die, and the two circular hole punching columns are oppositely arranged and positioned above the primary punching, two all be provided with semi-circular cambered surface on the relative two sides that set up of disc punching press post, disc punching press post is used for punching a hole to the material area to form the disc on the surface in material area, be provided with the boss round hole on the boss punching press position, boss punching press post is located directly over the boss punching press position, boss punching press post is located the top in boss punching press position and be used for forming the boss at the surface punching press of the disc in material area, apron punching press post is located the top in secondary punching hole position and be used for punching a hole to the disc in material area to the disc that will have the boss is punched out the material area.

2. A high efficiency circulator cover plate stamping die as claimed in claim 1, wherein: the upper punching die is further fixed with a material breaking punching column, the end of the lower fixed die is further provided with a material belt punching position, the material breaking punching column is located above the material belt punching position, the side face of the lower fixed die is provided with a material breaking buffering inclined plane, and the material breaking buffering inclined plane is located on one side of the material belt punching position.

3. A high efficiency circulator cover plate stamping die as claimed in claim 1, wherein: the lower fixed die comprises a base die, wherein a disc punching hole and a cover plate punching hole which correspond to the circular face punching column and the cover plate punching column respectively are arranged on the surface of the base die, the shape of the disc punching hole and the shape of the cover plate punching hole are respectively identical to the cross section shape of the circular face punching column and the cross section shape of the cover plate punching column, and the disc punching hole and the cover plate punching hole penetrate through the base die.

4. A high efficiency circulator cover plate stamping die as claimed in claim 3, wherein: the lower fixed die further comprises two oppositely arranged supporting dies, the base die is fixed above the two supporting dies, a cover plate output channel is arranged between the two supporting dies, and the disc punching hole and the cover plate punching hole are communicated with the cover plate output channel.

5. A high efficiency circulator cover plate stamping die as claimed in claim 4, wherein: the lower fixed die further comprises a plurality of supporting springs, a stroke cavity corresponding to the supporting springs is arranged inside the base die, the first supporting column and the second supporting column both extend into the stroke cavity and are in sliding connection with the base die, and the supporting springs are arranged in the stroke cavity.

6. A high efficiency circulator cover plate stamping die as claimed in claim 5, wherein: the inside in stroke chamber is provided with the screw thread regulating part, the screw thread regulating part with the inner wall threaded connection in stroke chamber, supporting spring's one end with the screw thread regulating part offsets, supporting spring's the other end with first support column with the second support column offsets.

7. A high efficiency circulator cover plate stamping die as claimed in claim 6, wherein: the first supporting column and the second supporting column respectively comprise a connecting portion, a butt end and a supporting end, the butt end is located at one end, close to the stroke cavity, of the connecting portion and abuts against the supporting spring, the supporting end is located at one end, far away from the stroke cavity, of the butt end and extends to the upper portion of the base die, and the radius of the connecting portion is smaller than the width of the butt end and the width of the supporting end.

8. A high efficiency circulator cover plate stamping die as claimed in claim 7, wherein: the base die comprises a middle die and a top die and a bottom die which are fixed on two sides of the middle die, the bottom die is fixed on the supporting die, the connecting portion is arranged in the middle die, the stroke cavity is arranged in the bottom die, and the supporting end extends to the upper portion of the top die in the top die.

9. A high efficiency circulator cover plate stamping die as claimed in claim 7, wherein: and the upper stamping die is provided with a supporting limiting hole corresponding to the supporting end, and the supporting end is positioned in the supporting limiting hole during stamping of the upper stamping die.

10. A high efficiency circulator cover plate stamping die as claimed in claim 7, wherein: and a supporting table is arranged on one surface of the supporting end, which is far away from the first supporting groove and the second supporting groove, and the bottom surface of the upper stamping die is abutted against the supporting table when the upper stamping die stamps.