CN110802170B - Integral forming stamping die for corrugated film disc - Google Patents
Integral forming stamping die for corrugated film disc Download PDFInfo
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- CN110802170B CN110802170B CN201911063995.5A CN201911063995A CN110802170B CN 110802170 B CN110802170 B CN 110802170B CN 201911063995 A CN201911063995 A CN 201911063995A CN 110802170 B CN110802170 B CN 110802170B
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- upper die
- lower die
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- 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
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- 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
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
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- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- 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
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
Abstract
The invention discloses an integral forming stamping die for a corrugated film disc, which comprises an upper die and a lower die; the upper die comprises an upper die base, an upper die supporting plate and an upper die pressing side plate which are sequentially arranged from top to bottom, and an upper outer pressing side ring and an upper inner pressing side ring are arranged on the bottom surface of the upper die pressing side plate; the lower die comprises a lower die base and a lower die pressing side plate which are sequentially arranged from bottom to top, and the top surface of the lower die pressing side plate is provided with a lower outer pressing side ring corresponding to the upper outer pressing side ring and a lower inner pressing side ring corresponding to the upper inner pressing side ring; a waveform curved surface forming mechanism for forming a waveform curved surface on the blank is arranged between the upper die and the lower die; a positioning hole punching mechanism for punching an outer circumference positioning hole on the blank is arranged between the upper die and the lower die; a central hole punching mechanism for punching a central hole on the blank is arranged between the upper die and the lower die; a first spring is arranged between the upper die holder and the upper die supporting plate, a second spring is arranged between the lower die holder and the lower die blank holder, the first spring is a nitrogen spring for the die, and the starting elastic force of the first spring is greater than the elastic force provided by the second spring during the maximum compression stroke.
Description
Technical Field
The invention belongs to the technical field of stamping forming, and particularly relates to an integral forming stamping die for a corrugated film disc.
Background
The diaphragm coupling is a mechanical device which is formed by connecting several groups of diaphragms with two half couplings in a staggered mode through bolts and transmits torque by using extremely thin metal discs. The membrane disc coupling is a high-performance flexible coupling of metal elastic elements, does not need lubrication, has a compact structure, high strength, long service life, no rotating clearance, is not influenced by temperature and oil dirt, has the characteristics of acid resistance, alkali resistance and corrosion resistance, and is suitable for shafting transmission in high-temperature, high-speed and corrosive medium working condition environments.
The waveform membrane disc is a key element of the elastic coupling, the membrane disc coupling compensates the relative displacement of the two shafts connected by the elastic deformation of the membrane disc, so that larger stress can be generated in the membrane disc coupling, the membrane disc bears composite forces of stretching, extruding, shearing and the like in the running process, is in a complex stress state, transmits torque and motion, and absorbs vibration and compensates deviation.
The Chinese patent application with the publication number of CN107584024A discloses a waveform membrane disc stamping forming die, which is formed by assembling a plurality of die components, one die component comprises an upper half die on the upper surface of a sine wave curved surface and a lower half die on the lower surface of the sine wave curved surface, the upper half die and the lower half die are formed by closing and splicing the upper half die and the lower half die, the upper half die comprises an upper die spring, an upper die seat, an upper discharging plate and an upper die insert, the upper die seat and the upper discharging plate are arranged up and down, the upper die seat is connected with the upper discharging plate through the upper die spring, two ends of the upper die spring are respectively and fixedly connected with the upper die seat and the upper discharging plate through screws, a small discharging spring is vertically arranged between the upper die seat and the upper discharging plate, two ends of the small discharging spring are respectively inserted into the upper die seat and the upper discharging plate, the number of the small discharging springs is at least two, the small, the bottom of the upper die base is connected with an upper die insert through a screw, the bottom end of the upper die insert penetrates through the upper stripper plate, the bottom surface of the upper die insert is processed into a profile with a sine-wave curved surface, and the upper die insert slides in a groove of the upper stripper plate; the lower half die comprises a lower die spring, a lower die base, a lower discharging plate and a lower die insert, the lower die base and the lower discharging plate are arranged from bottom to top, the lower die base is connected with the lower discharging plate through the lower die spring, two ends of the lower die spring are fixedly connected with the lower die base and the lower discharging plate through screws respectively, small discharging springs are vertically arranged between the lower die base and the lower discharging plate, two ends of each small discharging spring are respectively inserted into the lower die base and the lower discharging plate, the number of the small discharging springs is at least two, the small discharging springs surround the outer portions of the lower discharging springs, the small discharging springs are evenly distributed on a circumferential surface formed between the lower die base and the lower discharging plate, the top of the lower die base is connected with the lower die insert through screws, the top end of the lower die insert penetrates through the lower discharging plate, the top surface of the lower die insert.
The waveform film disc stamping forming die can only meet the stamping forming of sine waveform curved surfaces, the waveform film disc cannot be integrally formed at one time, the processing procedures of the waveform film disc are increased, the processing efficiency is reduced, the precision of the waveform film disc of multiple processing procedures is difficult to control, and finally the integral forming precision of the waveform film disc cannot meet the design requirement.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an integral forming stamping die for a corrugated film plate, which can integrally form the corrugated film plate at one time, ensure the integral forming precision of the corrugated film plate, and improve the processing efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
a stamping die for integrally forming a corrugated film disc comprises an upper die and a lower die;
the upper die comprises an upper die base, an upper die supporting plate and an upper die pressing side plate which are sequentially arranged from top to bottom, wherein the bottom surface of the upper die pressing side plate is provided with an upper outer pressing side ring and an upper inner pressing side ring which are respectively used for pressing the inner side and the outer side of the wave-shaped curved surface forming area of the blank;
the lower die comprises a lower die base and a lower die pressing side plate which are sequentially arranged from bottom to top, and a lower outer pressing side ring corresponding to the upper outer pressing side ring and a lower inner pressing side ring corresponding to the upper inner pressing side ring are arranged on the top surface of the lower die pressing side plate;
a waveform curved surface forming mechanism for forming a waveform curved surface on the blank is arranged between the upper die and the lower die; the wave-shaped curved surface forming mechanism comprises an upper die forming block arranged in the upper die pressing side plate and a lower die forming block arranged in the lower die pressing side plate, the upper die forming block and the upper die supporting plate move synchronously, and the lower die forming block and the lower die base move synchronously;
a positioning hole punching mechanism for punching an outer circumference positioning hole on the blank is arranged between the upper die and the lower die; the positioning hole punching mechanism comprises an upper die positioning hole punch head arranged in the upper die pressing side plate and a lower die abdicating hole arranged in the lower die pressing side plate and used for abdicating the upper die positioning hole punch head; a positioning hole punching driving block used for driving the upper die positioning hole punch to move downwards is arranged in the upper die supporting plate, and the positioning hole punching driving block and the upper die base move synchronously;
a central hole punching mechanism for punching a central hole on the blank is arranged between the upper die and the lower die; the central hole punching mechanism comprises an upper die central hole punch head arranged in the upper die pressing side plate and a lower die abdicating groove arranged in the lower die pressing side plate and used for abdicating the upper die central hole punch head, and a central hole punching driving block used for driving the upper die central hole punch head to move downwards is arranged on the upper die base;
be equipped with first spring (17) between upper die base (11) and last mould backup pad (12), be equipped with second spring (27) between die holder (21) and lower mould pressing sideboard (23), first spring (17) are nitrogen gas spring, and its elasticity that starts is greater than elasticity when second spring (27) the maximum compression stroke.
Further, the bottom surface of the upper die pressing side plate is provided with an upper die annular groove used for installing the upper die forming block, a plurality of upper die through holes are annularly and uniformly distributed at the bottom of the upper die annular groove, an upper die connecting block penetrating through the upper die through holes is arranged on the upper die forming block, and the upper die connecting block is fixedly connected with the upper die supporting plate.
Further, a lower die annular groove used for installing the lower die forming block is formed in the top surface of the lower die pressing side plate, a plurality of lower die through holes are annularly and uniformly distributed in the groove bottom of the lower die annular groove, a lower die connecting block penetrating through the lower die through holes is arranged on the lower die forming block, and the lower die connecting block is fixedly connected with the lower die base.
Further, a lower die middle plate is arranged between the lower die base and the lower die blank holder, and the lower die middle plate is fixedly connected with the lower die base.
Further, the second annular spring uniform distribution is arranged on the outer side of the lower die middle plate, and the first annular spring uniform distribution is arranged between the upper die base and the upper die supporting plate.
Further, a lower die center through hole is correspondingly formed in the lower die pressing side plate and corresponds to the upper die center hole punch, a lower die center cushion block is arranged in the lower die center through hole, a middle cushion block used for supporting the lower die center cushion block is arranged in the lower die middle plate, and a lower die abdicating groove is formed between the lower die center through hole and the lower die center cushion block.
Further, in a free state, the distance between the positioning hole punching driving block and the upper die positioning hole punch is smaller than the distance between the central hole punching driving block and the upper die central hole punch.
Further, a key groove punch for punching a key groove in the central hole is arranged on the punch of the central hole of the upper die.
Furthermore, the punch of the upper die center hole is positioned within the upper inner pressure edge ring, and the punches of the upper die positioning holes are uniformly distributed in a ring shape and positioned in the area where the upper outer pressure edge ring is positioned.
The use process of the integral forming stamping die for the corrugated film disc is as follows: the press drives the upper die to move downwards, the upper outer pressure edge ring and the lower outer pressure edge ring as well as the upper inner pressure edge ring and the lower inner pressure edge ring are respectively pressed on the upper side and the lower side of the blank, and the blank is pressed and fixed; the press machine drives the upper die to continuously move downwards, the starting elastic force of the first spring is larger than that of the second spring in the maximum compression stroke, the compression amount of the first spring is far smaller than that of the second spring, the upper die base and the upper die supporting plate can be regarded as a rigid whole at the moment, the pressing force for pressing the blank is provided by using the elastic force until the upper die forming block and the lower die forming block act together to form a waveform curved surface on the blank, and the second spring reaches the maximum deformation amount at the moment and does not continuously compress and deform;
the press continues to drive the upper die to move downwards, the upper die supporting plate stops moving downwards due to the fact that a moving gap is not formed between the upper die forming block and the lower die forming block any longer, the first spring is compressed to expose the positioning hole punching driving block, the upper die positioning hole punching head is pushed to move downwards after the positioning hole punching driving block is contacted with the upper die positioning hole punching head, the upper die positioning hole punching head extends out of the upper die blank holder plate, and an outer circumference positioning hole is punched in a blank; after the central hole punching driving block is contacted with the upper die central hole punching head, the upper die central hole punching head extends out of the upper die pressing side plate, and a central hole is punched on the blank.
The invention has the beneficial effects that:
the invention relates to an integral forming stamping die for a corrugated film disc, which is characterized in that an upper external pressure edge ring and an upper internal pressure edge ring are respectively arranged on an upper die pressing edge plate, a lower external pressure edge ring and a lower internal pressure edge ring are respectively arranged on a lower die pressing edge plate, and are used for pressing an area of a blank which does not need stamping forming, then a corrugated surface forming mechanism is used for stamping a corrugated surface on the blank, an outer circumference positioning hole is stamped on the blank by a positioning hole punching mechanism, and a central hole is stamped on the blank by a central hole stamping mechanism.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural diagram of an embodiment of a stamping die for integral forming of a corrugated film disk according to the present invention.
Fig. 2 is a schematic structural diagram of a corrugated membrane disk.
Description of reference numerals:
1-blank material; 2-a wave-shaped curved surface; 3-positioning holes on the outer circumference; 4-a central hole; 5-a key slot;
10-upper mould; 11-an upper die holder; 12-an upper die support plate; 13-pressing the side plate on the mould; 13 a-upper and outer pressure side rings; 13 b-upper inner pressing edge ring; 14-upper mold shaping block; 14 a-upper die annular groove; 14 b-an upper die connecting block; 15-positioning hole punch; 15 a-a positioning hole punching driving block; 16-an upper die center hole punch; 16 a-a central hole punching driving block; 17-a first spring;
20-lower die; 21-a lower die holder; 22-lower die intermediate plate; 23-lower mould pressing of the side plate; 23 a-lower outer pressure edge ring; 23 b-lower inner pressing edge ring; 24-lower mold forming block; 24 a-lower die annular groove; 24 b-a lower die connecting block; 25-lower die abdicating holes; 26-lower die abdicating groove; 26 a-lower die center pad; 26 b-a middle cushion block; 27-second spring.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
Fig. 1 is a schematic structural view of an embodiment of a stamping die for integrally forming a corrugated film disc according to the present invention. The corrugated film disk integral forming stamping die of the embodiment comprises an upper die 10 and a lower die 20.
The upper die 10 of this embodiment includes an upper die base 11, an upper die support plate 12, and an upper die blank holder 13, which are sequentially disposed from top to bottom, and an upper outer blank holder 13a and an upper inner blank holder 13b, which are respectively used to press the inner and outer sides of the wavy curved surface forming region of the blank 1, are disposed on the bottom surface of the upper die blank holder 13. The lower die 20 of the present embodiment includes a lower die base 21 and a lower die blank holder 23 sequentially disposed from bottom to top, and a lower outer blank holder 23a corresponding to the upper outer blank holder 13a and a lower inner blank holder 23b corresponding to the upper inner blank holder 13b are disposed on the top surface of the lower die blank holder 23.
Specifically, a wavy curved surface forming mechanism for forming a wavy curved surface 2 on the blank 1 is arranged between the upper die 10 and the lower die 20 of the present embodiment; the forming mechanism of the wave-shaped curved surface comprises an upper forming block 14 arranged in an upper die pressing side plate 13 and a lower forming block 24 arranged in a lower die pressing side plate 23, wherein the upper forming block 14 and an upper die supporting plate 12 move synchronously, and the lower forming block 24 and a lower die base 21 move synchronously.
Specifically, the bottom surface of the upper die blank holder 13 is provided with an upper die annular groove 14a for mounting an upper die forming block 14, the bottom of the upper die annular groove 14a is annularly and uniformly provided with a plurality of upper die through holes, the upper die forming block 14 is provided with an upper die connecting block 14b penetrating through the upper die through holes, and the upper die connecting block 14b is fixedly connected with the upper die support plate 12. The bottom surface of the upper mold forming block 14 of this embodiment is annular and is located between the upper outer and inner pressing edge rings 13a and 13b, and the bottom surface of the upper mold forming block 14 is an upper pressing forming surface that is matched with the upper surface of the wave-shaped curved surface.
The top surface of the lower die blank holder 23 of the embodiment is provided with a lower die annular groove 24a for mounting a lower die forming block 24, the bottom of the lower die annular groove 24a is annularly and uniformly provided with a plurality of lower die through holes, the lower die forming block 24 is provided with a lower die connecting block 24b penetrating through the lower die through holes, and the lower die connecting block 24b is fixedly connected with the lower die base 21. The lower die forming block 24 of the present embodiment is located between the lower outer and inner pressing rings 23a and 23b, and the top surface of the lower die connecting block 24b is set to be a lower pressing surface matched with the lower surface of the wave-shaped curved surface.
A positioning hole punching mechanism for punching an outer circumferential positioning hole 3 in a blank 1 is provided between an upper die 10 and a lower die 20 of the present embodiment; the positioning hole punching mechanism comprises an upper die positioning hole punch 15 arranged in the upper die pressing side plate 13 and a lower die abdicating hole 25 arranged in the lower die pressing side plate 23 and used for abdicating the upper die positioning hole punch 15; a positioning hole punching driving block 15a for driving the upper die positioning hole punch 15 to move downwards is arranged in the upper die supporting plate 12, and the positioning hole punching driving block 15a and the upper die base 11 move synchronously. Specifically, the blank is provided with two outer circumference positioning holes 3 with different hole diameters, so the upper die positioning hole punches 15 of the present embodiment are provided with two types, the outer diameters of the two types of upper die positioning hole punches are different, and the arrangement mode of the upper die positioning hole punches 15 is determined according to the distribution mode of the outer circumference positioning holes 3 on the blank 1, that is, the upper die positioning hole punches 15 and the outer circumference positioning holes 3 are arranged in a one-to-one correspondence manner, and specifically, the upper die positioning hole punches 15 of the present embodiment are uniformly distributed in a ring shape and are located in the area where the upper outer.
A center hole punching mechanism for punching the center hole 4 on the blank 1 is provided between the upper die 10 and the lower die 20 of the present embodiment; the central hole punching mechanism comprises an upper die central hole punch 16 arranged in the upper die pressing side plate 13 and a lower die abdicating groove 26 arranged in the lower die pressing side plate 23 and used for abdicating the upper die central hole punch 16, and a central hole punching driving block 16a used for driving the upper die central hole punch 16 to move downwards is arranged on the upper die base 11. The last mould centre bore drift 16 of this embodiment is located and presses within the limit ring 13b in, and the shape of going up mould centre bore drift 16 is decided according to the design shape structure of centre bore 4, is equipped with keyway 5 on the periphery wall of the centre bore 4 of this embodiment, goes up to be equipped with on the mould centre bore drift 16 to be used for punching press keyway 5's keyway drift in centre bore 4 keyway drift, and the equal keyway 5 of shape of keyway drift matches, and the quantity and the position of keyway drift all set up with keyway 5 one-to-one, do not restack up again.
A lower middle plate 22 is arranged between the lower die holder 21 and the lower die blank holder 23, and the lower middle plate 22 is fixedly connected with the lower die holder 21. The lower die edge pressing plate 23 of the present embodiment is provided with a lower die center through hole corresponding to the upper die center punch 16, a lower die center cushion block 26a is provided in the lower die center through hole, a middle cushion block 26b for supporting the lower die center cushion block 26a is provided in the lower die middle plate 22, the top outer diameter of the middle cushion block 26b is larger than the outer diameter of the lower die center through hole, and a lower die abdicating groove 26 is formed between the lower die center through hole and the lower die center cushion block 26 a.
In the embodiment, the first spring 17 is arranged between the upper die base 11 and the upper die supporting plate 12, the second spring 27 is arranged between the lower die base 21 and the lower die blank holder 23, the first spring 17 is a nitrogen spring, and the starting elastic force of the first spring is greater than that of the second spring 27 in the maximum compression process, that is, before the second spring 27 is compressed to the shortest, the upper die base 11 and the upper die supporting plate 12 can be regarded as a rigid whole, so that the stamping process can be performed orderly according to the design sequence. The second springs 27 of the present embodiment are annularly and uniformly arranged outside the lower die intermediate plate 22, and the first springs 17 are annularly and uniformly arranged between the upper die holder 11 and the upper die support plate 12.
Further, in a free state, the distance between the positioning hole punching driving block 15a and the upper die positioning hole punch 15 is smaller than the distance between the central hole punching driving block 16a and the upper die central hole punch 16, that is, the positioning hole punching mechanism can be controlled to punch the outer circumferential positioning hole 3 first and then punch the central hole 4, so that the punching process is performed in order according to a set process.
The application process of the stamping die for integrally forming the corrugated film disc of the embodiment is as follows:
the press drives the upper die to move downwards, the upper outer pressure edge ring and the lower outer pressure edge ring as well as the upper inner pressure edge ring and the lower inner pressure edge ring are respectively pressed on the upper side and the lower side of the blank, and the blank is pressed and fixed; the press machine drives the upper die to continuously move downwards, because the starting elastic force of the first spring is greater than the elastic force provided by the second spring during the maximum compression stroke, and the compression amount of the first spring is far less than that of the second spring, the upper die base 11 and the upper die supporting plate 12 can be regarded as a rigid whole at the moment, the pressing force for pressing the blank is provided by using the elastic force until the upper die forming block and the lower die forming block act together to form a waveform curved surface on the blank, and the second spring reaches the maximum deformation amount at the moment and does not continuously compress and deform;
the press continues to drive the upper die to move downwards, the upper die supporting plate stops moving downwards due to the fact that a moving gap is not formed between the upper die forming block and the lower die forming block any longer, the first spring continues to compress to expose the positioning hole punching driving block, the positioning hole punching driving block pushes the upper die positioning hole punching head to move downwards after being in contact with the upper die positioning hole punching head, the upper die positioning hole punching head extends out of the upper die blank holder plate, and an outer circumference positioning hole is punched in a blank;
the press continues to drive the upper die to move downwards, and after the central hole punching driving block is contacted with the upper die central hole punching head, the upper die central hole punching head extends out of the upper die pressing side plate, and a central hole is punched on the blank.
The invention has the beneficial effects that:
the whole forming stamping die of the wave-shaped membrane disc of this embodiment, through setting up outer pressure limit ring and last interior pressure limit ring on last mould pressing sideboard respectively, and set up outer pressure limit ring and lower interior pressure limit ring down on the mould pressing sideboard down, be used for pushing down the region that the blank need not the stamping forming, then utilize line curved surface forming mechanism stamping forming wave-shaped curved surface on the blank, utilize locating hole punching mechanism outer circumference locating hole of punching press on the blank, utilize centre bore punching press mechanism stamping forming centre bore on the blank, so, can realize the shaping of all structures on the wave-shaped membrane disc through punching press once, can effectively improve production efficiency, and can avoid the machining error that the positioning error between the multichannel process caused, guarantee the whole forming accuracy of wave-shaped membrane disc.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (9)
1. The utility model provides a wave form membrane dish integrated into one piece stamping die which characterized in that: comprises an upper die (10) and a lower die (20);
the upper die (10) comprises an upper die base (11), an upper die supporting plate (12) and an upper die blank pressing plate (13) which are sequentially arranged from top to bottom, wherein the bottom surface of the upper die pressing plate (13) is provided with an upper outer pressing ring (13 a) and an upper inner pressing ring (13 b) which are respectively used for pressing the inner side and the outer side of the wave-shaped curved surface forming area of the blank (1);
the lower die (20) comprises a lower die seat (21) and a lower die blank holder (23) which are sequentially arranged from bottom to top, and a lower outer blank holder (23 a) corresponding to the upper outer blank holder (13 a) and a lower inner blank holder (23 b) corresponding to the upper inner blank holder (13 b) are arranged on the top surface of the lower blank holder (23);
a waveform curved surface forming mechanism for forming a waveform curved surface (2) on the blank (1) is arranged between the upper die (10) and the lower die (20); the wave-shaped curved surface forming mechanism comprises an upper forming block (14) arranged in the upper die pressing side plate (13) and a lower forming block (24) arranged in the lower die pressing side plate (23), the upper forming block (14) and the upper die supporting plate (12) move synchronously, and the lower forming block (24) and the lower die base (21) move synchronously;
a positioning hole punching mechanism for punching an outer circumference positioning hole (3) on the blank (1) is arranged between the upper die (10) and the lower die (20); the positioning hole punching mechanism comprises an upper die positioning hole punch head (15) arranged in the upper die pressing side plate (13) and a lower die abdicating hole (25) which is arranged in the lower die pressing side plate (23) and used for abdicating the upper die positioning hole punch head (15); a positioning hole punching driving block (15 a) used for driving the upper die positioning hole punch (15) to move downwards is arranged in the upper die supporting plate (12), and the positioning hole punching driving block (15 a) and the upper die base (11) move synchronously;
a central hole punching mechanism for punching a central hole (4) on the blank (1) is arranged between the upper die (10) and the lower die (20); the central hole punching mechanism comprises an upper die central hole punch head (16) arranged in the upper die pressing side plate (13) and a lower die abdicating groove (26) which is arranged in the lower die pressing side plate (23) and used for abdicating the upper die central hole punch head (16), and a central hole punching driving block (16 a) used for driving the upper die central hole punch head (16) to move downwards is arranged on the upper die base (11);
be equipped with first spring (17) between upper die base (11) and last mould backup pad (12), be equipped with second spring (27) between die holder (21) and lower mould pressing sideboard (23), first spring (17) are nitrogen gas spring, and its elasticity that starts is greater than elasticity when second spring (27) the maximum compression stroke.
2. The corrugate film disc as claimed in claim 1, wherein: the bottom surface of the upper die pressing side plate (13) is provided with an upper die annular groove (14 a) for installing the upper die forming block (14), the bottom of the upper die annular groove (14 a) is annularly and uniformly provided with a plurality of upper die through holes, the upper die forming block (14) is provided with an upper die connecting block (14 b) penetrating through the upper die through holes, and the upper die connecting block (14 b) is fixedly connected with the upper die supporting plate (12).
3. The corrugate film disc as claimed in claim 1, wherein: the die is characterized in that a lower die annular groove (24 a) used for installing the lower die forming block (24) is formed in the top surface of the lower die pressing side plate (23), a plurality of lower die through holes are uniformly distributed in the annular shape at the bottom of the lower die annular groove (24 a), a lower die connecting block (24 b) penetrating through the lower die through holes is arranged on the lower die forming block (24), and the lower die connecting block (24 b) is fixedly connected with the lower die base (21).
4. The corrugate film disc as claimed in claim 1, wherein: a lower die middle plate (22) is arranged between the lower die base (21) and the lower die side plate (23), and the lower die middle plate (22) is fixedly connected with the lower die base (21).
5. The corrugate film disc as claimed in claim 4, wherein: second spring (27) annular equipartition sets up lower mould intermediate lamella (22) outside, first spring (17) annular equipartition sets up between upper die base (11) and last mould backup pad (12).
6. The corrugate film disc as claimed in claim 4, wherein: lower mould presses on sideboard (23) with it corresponds and is equipped with lower mould central through hole to go up mould central hole drift (16), be equipped with lower mould central cushion (26 a) in the central through hole of lower mould, be equipped with in lower mould intermediate lamella (22) and be used for supporting middle cushion (26 b) of lower mould central cushion (26 a), lower mould central through hole with form between lower mould central cushion (26 a) lower mould groove of stepping down (26).
7. The corrugate film disc as claimed in claim 1, wherein: in a free state, the distance between the positioning hole punching drive block (15 a) and the upper die positioning hole punch (15) is smaller than the distance between the center hole punching drive block (16 a) and the upper die center hole punch (16).
8. The corrugate film disc as claimed in claim 1, wherein: and a key groove punch head for punching a key groove in the central hole (4) is arranged on the upper die central hole punch head (16).
9. The corrugate film disc as claimed in claim 1, wherein: the upper die center hole punch heads (16) are located within the upper inner pressure edge ring (13 b), and the upper die positioning hole punch heads (15) are uniformly distributed in an annular mode and located in the area where the upper outer pressure edge ring (13 a) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911063995.5A CN110802170B (en) | 2019-11-04 | 2019-11-04 | Integral forming stamping die for corrugated film disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911063995.5A CN110802170B (en) | 2019-11-04 | 2019-11-04 | Integral forming stamping die for corrugated film disc |
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| CN102319803A (en) * | 2011-08-22 | 2012-01-18 | 亿森（上海）模具有限公司 | A kind of process and mould thereof that draws the flange moulding |
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