CN109822001B - Buffer washer, continuous stamping die thereof and processing method - Google Patents
Buffer washer, continuous stamping die thereof and processing method Download PDFInfo
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- CN109822001B CN109822001B CN201910118523.9A CN201910118523A CN109822001B CN 109822001 B CN109822001 B CN 109822001B CN 201910118523 A CN201910118523 A CN 201910118523A CN 109822001 B CN109822001 B CN 109822001B
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Abstract
The invention relates to the technical field of gaskets, in particular to a buffer gasket, a continuous stamping die and a processing method thereof, and the technical scheme is as follows: a buffer gasket comprises a ring piece, wherein lugs and first support leg arms radially extend from the outer side wall of the ring piece, the number of the lugs and the first support leg arms is more than two, and the lugs and the first support leg arms are sequentially arranged at intervals in the circumferential direction of the ring piece; the lug comprises a connecting sheet so as to be connected with the ring sheet through the connecting sheet; a second supporting leg arm extends from one side of the connecting piece along the circumferential direction of the ring piece, the second supporting leg arm is bent towards the first surface side of the ring piece relative to the connecting piece, and one end, away from the connecting piece, of the second supporting leg arm is provided with a flange bent towards the second surface side of the ring piece; the first face and the second face are opposite faces of the ring piece; wherein the first leg arm is bent toward the second surface side relative to the ring piece.
Description
Technical Field
The invention relates to the technical field of gaskets, in particular to a buffer gasket, a continuous stamping die and a processing method thereof.
Background
The cushion washer is typically mounted between the two parts to provide cushioning. The buffer washer is provided with a ring piece, and the buffer washer can be sleeved on the shaft through the ring piece. The outer side wall of the ring piece is provided with a supporting leg arm which is provided with a bending part so that the supporting leg arm has elasticity. When the buffer washer is used, the buffer washer is positioned between the two parts, and one end of the leg arm of the buffer washer is abutted against the adjacent part. After long-term use, one end of the supporting leg arm of the buffer gasket is often scraped on the surface of an adjacent part, so that the abrasion of the part is accelerated, and the service life of the part is influenced.
Disclosure of Invention
In view of this, the present invention provides a cushion washer, and mainly aims to solve the technical problem that the service life of a component is affected by the fact that a leg arm of an existing cushion washer often scrapes on the surface of an adjacent component when the existing cushion washer is used.
The invention also provides a continuous stamping die for processing the cushion washer and a processing method of the cushion washer.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
on one hand, the embodiment of the invention provides a buffer gasket, which comprises a ring sheet, wherein the outer side wall of the ring sheet radially extends to form more than two lugs and first support leg arms, and the lugs and the first support leg arms are sequentially arranged at intervals in the circumferential direction of the ring sheet;
the lug comprises a connecting sheet so as to be connected with the ring sheet through the connecting sheet; a second supporting leg arm extends from one side of the connecting piece along the circumferential direction of the ring piece, the second supporting leg arm is bent towards the first surface side of the ring piece relative to the connecting piece, and one end, away from the connecting piece, of the second supporting leg arm is provided with a flange bent towards the second surface side of the ring piece; the first face and the second face are opposite faces of the ring piece;
wherein the first leg arm is bent toward the second surface side relative to the ring piece.
Through adopting above-mentioned technical scheme, because the one end setting of the second stabilizer blade arm on the ring piece is to the turn-ups of bending of one side of ring piece, the second stabilizer blade arm can offset with adjacent spare part through the portion of bending of turn-ups department, and this portion of bending is curved surface, and frictional force is less, can not harm spare part, makes the life of adjacent spare part with it higher.
In another aspect, an embodiment of the present invention provides a method for processing a cushion ring, in which a strip of material travels in a continuous mold in a pulse manner, and the strip of material is subjected to an operation at each station of the mold, the operation including the following steps:
step S1: punching a first positioning hole at the edge of a first side of the material belt and punching a second positioning hole at the edge of a second side, wherein the first positioning hole and the second positioning hole are holes for inserting a positioning pin of a die; the first side and the second side are opposite sides in the width direction of the material belt;
step S2: punching an inner hole of a ring sheet of the buffer gasket on the material belt;
step S3: punching the outline of the cushion washer when the cushion washer is unfolded on the material belt to form the outline of the cushion washer when the ring sheet, the connecting sheet, the first support arm and the second support arm are unfolded, and enabling the connecting sheet of the cushion washer to be provided with a material belt point;
step S4: bending each second support leg arm of the buffer washer, so that each second support leg arm of the buffer washer is bent towards the first surface side of the ring piece relative to the connecting piece, and one end of each second support leg arm, which is far away from the connecting piece, is flanged towards the second surface side of the ring piece;
step S5: bending each first support arm of the buffer gasket to enable each first support arm of the buffer gasket to bend towards the second surface side relative to the ring piece;
step S6: and punching the strip material point of the cushion washer on the material strip to separate the cushion washer from the material strip.
By adopting the technical scheme, the continuous production of the buffer washer can be realized on the die, and the production efficiency is higher.
The invention is further configured to: step S3 specifically includes the following steps:
step S31: the first part of the outline of the second side of the material strip when the punching cushion gasket is unfolded and the punched waste material contain a second positioning hole, so that the material strip is guided by the material edge of the first side;
step S32: and punching a second outline of the cushion washer when the cushion washer is unfolded on the material belt to form the appearance of the cushion washer when the ring sheet, the connecting sheet, the first support arm and the second support arm are unfolded, and enabling the connecting sheet of the cushion washer to be provided with a material belt point.
In the technical scheme, the appearance of the buffer gasket when the buffer gasket is unfolded is gradually formed in two steps, so that the buffer gasket has the effect of convenient processing. In addition, the second side edge of the material belt is cut off, so that the material belt is guided only through the material edge of the first side, the use of positioning needles can be reduced, the structure of the die is simplified, and the cost of the die is saved.
The invention is further configured to: in step S32, the tape points include a first tape point on one web and a second tape point on the other web;
the buffer washer on the material area is connected with the material edge of the first side of the material area through the first material area point, and is connected with the connecting sheet of another adjacent buffer washer on the upper stream through the second material area point.
In the technical scheme, the material carrying points are set to be two, so that the connection stability of the buffer gasket on the material belt can be improved, and the buffer gasket can stably move forward along with the material belt.
The invention is further configured to: in step S31, the outline of the first portion of the cushion gasket when unfolded is formed by punching the outlines of different portions of the adjacent cushion gaskets on the second side of the strip of material by using a single punch in the mold.
By adopting the technical scheme, because the shapes of different parts of the cushion washer are punched by using a single punch when the cushion washer is unfolded, the processing size error of each different part can be reduced.
The invention is further configured to: in step S32, the outline of the second portion of the cushion pad when being unfolded is formed by using a single punch to punch the outline of different portions of the strip of material when two adjacent cushion pads are unfolded.
By adopting the technical scheme, because the shapes of different parts of the cushion washer are punched by using a single punch when the cushion washer is unfolded, the processing size error of each different part can be further reduced.
The invention is further configured to: in step S4, the second leg arms of the cushion washer are bent at the same station of the die, so that the second leg arms of the cushion washer are bent toward the first surface side of the ring piece relative to the connecting piece, and one end of the second leg arms away from the connecting piece is turned over toward the second surface side of the ring piece.
By adopting the technical scheme, the second supporting leg arms of the buffer washer are simultaneously bent at the same station, so that the bending precision of the second supporting leg arms can be protected.
The invention is further configured to: in step S5, the first leg arms of the cushion ring are bent toward the second surface side with respect to the ring piece by a bending operation of the first leg arms of the cushion ring at the same station of the die.
By adopting the technical scheme, the bending precision of each first support arm can be protected due to the simultaneous bending operation of each first support arm of the buffer gasket on the same station.
The invention is further configured to: the cushion washer separated from the tape is blown out of the mold by blowing air in step S6.
Through adopting above-mentioned technical scheme, have the effect of supplementary ejection of compact.
In another aspect, an embodiment of the present invention provides a continuous stamping die for processing a cushion ring, including:
the number of the positioning needles is multiple, and the positioning needles are sequentially arranged along the advancing direction of the material belt;
the positioning hole punching module is used for punching a first positioning hole on the edge of the first side of the material belt and punching a second positioning hole on the edge of the second side of the material belt, and the first positioning hole and the second positioning hole are holes for inserting a positioning pin; the first side and the second side are opposite sides in the width direction of the material belt;
the inner hole punching module is used for punching the inner hole of the ring sheet of the buffer gasket on the material belt;
the contour punching module is used for punching contour contours of the cushion washer when the cushion washer is unfolded on the material belt so as to form contours of the cushion washer when the ring piece, the connecting piece, the first support arm and the second support arm are unfolded, and the connecting piece of the cushion washer is provided with a material belt point;
the first bending module is used for bending each second support leg arm of the buffer gasket, so that each second support leg arm of the buffer gasket is bent towards the first surface side of the ring piece relative to the connecting piece, and one end of each second support leg arm, which is far away from the connecting piece, is flanged towards the second surface side of the ring piece;
the second bending module is used for bending each first support arm of the buffer gasket to enable each first support arm of the buffer gasket to bend towards the second surface side relative to the ring piece;
and the strip point punching module is used for punching the strip point of the cushion washer on the strip so as to separate the cushion washer from the strip.
By adopting the technical scheme, the continuous production of the buffer washer can be realized on the die, and the production efficiency is higher.
By means of the technical scheme, the buffer gasket, the continuous stamping die and the processing method of the buffer gasket have the following beneficial effects:
in the technical scheme provided by the invention, because the flange bent towards one side of the ring piece is arranged at one end of the second support leg arm on the ring piece, the second support leg arm can be abutted against the adjacent part through the bending part at the flange, the bending part is an arc-shaped surface, the friction force is small, the part cannot be damaged, and the service life of the part adjacent to the part is long.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a cushion ring according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for processing a cushion ring according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a material belt for a cushion ring during processing on a continuous stamping die according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first punch according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second punch according to an embodiment of the present invention.
Reference numerals: 1. a ring sheet; 2. a lug; 3. a first leg arm; 4. a material belt; 5. a first punch; 6. a second punch; 11. a first side; 12. a second face; 21. connecting sheets; 22. a second leg arm; 41. a first side; 42. a second side; 221. flanging; 401. a first positioning hole; 402. a second positioning hole; 411. a first tape point; 412. a second strip point; 100. a cushion washer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, a cushion washer 100 according to an embodiment of the present invention includes a ring plate 1. The outer side wall of the ring plate 1 extends radially with a lug 2 and a first leg arm 3. The number of the lugs 2 and the first supporting leg arms 3 is more than two, and the lugs and the first supporting leg arms are sequentially arranged at intervals in the circumferential direction of the ring piece 1. The lug 2 comprises a connecting piece 21 for connection with the ring 1 via the connecting piece 21. A second leg arm 22 extends from one side of the connecting piece 21 in the circumferential direction of the ring piece 1. The second leg arm 22 is bent toward the first surface 11 of the ring piece 1 with respect to the connecting piece 21. One end of the second leg arm 22 facing away from the connecting piece 21 has a flange 221 bent toward the second surface 12 of the ring piece 1. The first face 11 and the second face 12 are opposite faces of the ring sheet 1. The first leg arm 3 is bent toward the second surface 12 side relative to the ring piece 1, and the width of the flange 221 of the second leg arm 22 on each lug 2 is gradually reduced along the direction away from the connecting piece 21.
In the technical scheme provided above, because the one end of the second leg arm 22 on the ring piece 1 is provided with the turned edge 221 bent to one side of the ring piece 1, the second leg arm 22 can be abutted against the adjacent component through the bent portion at the turned edge 221, the bent portion is an arc surface, the friction force is small, the component is not damaged, and the service life of the component adjacent to the component is long.
The embodiment of the present invention further provides a method for processing a cushion ring 100, specifically, as shown in fig. 2 and 3, the strip of material 4 travels in a pulse manner in a continuous mold, and the strip of material 4 is subjected to an operation at each station of the mold, which includes the following steps:
step S1: punching a first positioning hole 401 at the edge of the first side 41 of the material belt 4 and punching a second positioning hole 402 at the edge of the second side 42, wherein the first positioning hole 401 and the second positioning hole 402 are holes for inserting a positioning pin of a mold; the first side 41 and the second side 42 are opposite sides of the strip of material 4 in the width direction.
Through the die-cut locating hole in the width direction's of material area 4 both sides, can be to the material area 4 die-cut or when shaping to the location of material area 4 to guarantee the size of cushion ring 100 that processes.
Step S2: the inner hole of the ring sheet 1 of the cushion washer 100 is die cut in the material strip 4.
Step S3: the outline of the cushion washer 100 when being unfolded is die-cut on the material tape 4 to form the outline of the cushion washer 100 when the ring piece 1, the connecting piece 21, the first leg arm 3, and the second leg arm 22 are unfolded, and the connecting piece 21 of the cushion washer 100 has a tape point.
Step S4: the second leg arms 22 of the cushion washer 100 are bent such that the second leg arms 22 of the cushion washer 100 are bent toward the first surface 11 of the ring segment 1 with respect to the connecting piece 21, and one end of the second leg arms 22 facing away from the connecting piece 21 is turned up to the second surface 12 of the ring segment 1. Wherein, the first face 11 and the second face 12 are opposite faces of the ring sheet 1.
Step S5: the first leg arms 3 of the cushion ring 100 are bent, and the first leg arms 3 of the cushion ring 100 are bent toward the second surface 12 with respect to the ring piece 1.
Step S6: the strip points of the cushion gasket 100 on the strip of material 4 are die cut to separate the cushion gasket 100 from the strip of material 4.
Through the arrangement, the cushion washer 100 can be continuously produced on the die, and the production efficiency is high.
Fig. 3 discloses a schematic structural diagram of a material belt of a cushion washer when being processed on a continuous stamping die, and a dotted line part on the material belt is a schematic structural diagram of a lower module stamped on a lower die.
In a specific application example, as shown in fig. 3, the foregoing step S3 specifically includes the following steps:
step S31: the die-cut cushion ring 100 is spread on the second side 42 of the strip of material 4 to define a first partial outline and the die-cut slug includes a second locating hole 402 therein to guide the strip of material 4 past the selvedge of the first side 41.
Step S32: the second contour of the cushion washer 100 when unfolded is die-cut on the material tape 4 to form the contour of the cushion washer 100 when the ring sheet 1, the connecting sheet 21, the first leg arm 3, and the second leg arm 22 are unfolded, and the connecting sheet 21 of the cushion washer 100 has a tape point.
In the above example, by gradually forming the outer shape of the cushion washer 100 when it is unfolded in two steps, there is an effect of facilitating the processing. In addition, the second side 42 of the material belt 4 is cut off, so that the material belt 4 is guided only through the material edge of the first side 41, the use of positioning needles can be reduced, the structure of a die is simplified, and the cost of the die is saved.
Further, as shown in fig. 3, in step S32, the tape feeding points include a first tape feeding point 411 on one connecting sheet 21 and a second tape feeding point 412 on the other connecting sheet 21. The cushion ring 100 on the strip of material 4 is connected to the material edge of the first side 41 of the strip of material 4 by a first strip point 411 and to the connecting piece 21 of another cushion ring 100 adjacent upstream by a second strip point 412.
In the above example, by providing two tape sites, the attachment stability of the cushion washer 100 on the tape 4 can be improved, so that the cushion washer 100 can stably advance with the tape 4.
Further, as shown in fig. 3, the outline of the first portion of the cushion gasket 100 when the cushion gasket 100 is unfolded may be formed by punching the outlines of different portions of the two adjacent cushion gaskets 100 on the second side 42 of the material strip 4 in the die by using a single punch in the die in step S31.
With the above arrangement, since the outer shapes of the different portions of the cushion washer 100 when it is expanded are punched by the single punch, the error in the machining dimension of each of the different portions can be reduced.
Further, as shown in fig. 3, in step S32, the outline of the second portion of the cushion gasket 100 when the cushion gasket 100 is unfolded may be formed by punching the outline of the different portions of the two adjacent cushion gaskets 100 when the cushion gaskets 100 are unfolded on the material tape 4 by using the same punch in the mold.
With the above arrangement, since the outer shapes of the different portions of the cushion washer 100 when it is expanded are punched by the single punch, the error in the machining dimension of each of the different portions can be further reduced.
Further, as shown in fig. 3, in step S4, the second leg arms 22 of the cushion washer 100 may be bent toward the first surface 11 of the ring piece 1 with respect to the connecting piece 21 by bending the second leg arms 22 of the cushion washer 100 at the same station of the die, and one end of the second leg arms 22 facing away from the connecting piece 21 may be flanged 221 toward the second surface 12 of the ring piece 1.
In the above example, since the second leg arms 22 of the cushion ring 100 are simultaneously bent at the same station, the bending accuracy of the second leg arms 22 can be protected.
Further, as shown in fig. 3, in step S5, the first leg arms 3 of the cushion washer 100 may be bent toward the second surface 12 with respect to the ring piece 1 by bending the first leg arms 3 of the cushion washer 100 at the same station of the die.
In the above example, since the bending work is simultaneously performed on the first leg arms 3 of the cushion ring 100 at the same station, the bending accuracy of the first leg arms 3 can be protected.
Further, the cushion gasket 100 separated from the material tape 4 may be blown out of the mold by blowing air in step S6, which has the effect of assisting discharging.
The embodiment of the invention also provides a continuous stamping die for processing the cushion washer 100, which comprises a positioning pin, a positioning hole punching module, an inner hole punching module, an appearance punching module, a first bending module, a second bending module and a strip point punching module.
The number of the positioning needles is a plurality and the positioning needles are arranged in sequence along the advancing direction of the material belt 4. The pilot hole die cutting module is used to die cut a first pilot hole 401 at the edge of the first side 41 and a second pilot hole 402 at the edge of the second side 42 of the strip of material 4. The first positioning hole 401 and the second positioning hole 402 are holes into which the positioning pins are inserted. The first side 41 and the second side 42 are opposite sides of the strip of material 4 in the width direction. Wherein, through the die-cut locating hole in the width direction's of material area 4 both sides, can be to the material area 4 location when die-cut or the shaping to guarantee the size of cushion ring 100 that processes.
The inner hole die cutting module is used for cutting the inner hole of the ring sheet 1 of the cushion washer 100 on the material belt 4. The outline die cutting module is used for punching the outline of the cushion washer 100 when the cushion washer 100 is unfolded on the material belt 4 to form the outline of the cushion washer 100 when the ring sheet 1, the connecting sheet 21, the first support arm 3 and the second support arm 22 are unfolded, and the connecting sheet 21 of the cushion washer 100 is provided with a material belt point. The first bending module is used for bending each second leg arm 22 of the cushion washer 100, so that each second leg arm 22 of the cushion washer 100 is bent toward the first surface 11 of the ring piece 1 relative to the connecting piece 21, and one end of each second leg arm 22, which is away from the connecting piece 21, is flanged 221 toward the second surface 12 of the ring piece 1. The second bending module is used for bending each first leg arm 3 of the cushion washer 100, and bends each first leg arm 3 of the cushion washer 100 toward the second surface 12 side with respect to the ring piece 1. The strip point blanking module is used for blanking the strip points of the cushion gasket 100 on the strip of material 4 to separate the cushion gasket 100 from the strip of material 4.
Through the arrangement, the cushion washer 100 can be continuously produced on the die, and the production efficiency is high.
Further, as shown in fig. 3, the aforementioned outline blanking modules may include a first outline blanking module and a second outline blanking module. The first contour punch module is configured to punch the first partial contour of the cushion ring 100 at the second side 42 of the strip of material 4 when it is unfolded, and the punched waste includes the second positioning hole 402, so that the strip of material 4 is guided by the edge of the first side 41. The second profile punching module is used for punching a second profile of the cushion washer 100 when the cushion washer 100 is unfolded on the material belt 4 to form a profile of the cushion washer 100 when the ring sheet 1, the connecting sheet 21, the first leg arm 3 and the second leg arm 22 are unfolded, and the connecting sheet 21 of the cushion washer 100 is provided with a material belt point.
In the above example, by gradually forming the outer shape of the cushion washer 100 when it is unfolded in two steps, there is an effect of facilitating the processing. In addition, the second side 42 of the material belt 4 is cut off, so that the material belt 4 is guided only through the material edge of the first side 41, the use of positioning needles can be reduced, the structure of a die is simplified, and the cost of the die is saved.
Further, as shown in fig. 3, the aforementioned tape feeding points include a first tape feeding point 411 on one connecting piece 21 and a second tape feeding point 412 on the other connecting piece 21. The cushion ring 100 on the strip of material 4 is connected to the material edge of the first side 41 of the strip of material 4 by a first strip point 411 and to the connecting piece 21 of another cushion ring 100 adjacent upstream by a second strip point 412.
In the above example, by providing two tape sites, the attachment stability of the cushion washer 100 on the tape 4 can be improved, so that the cushion washer 100 can stably advance with the tape 4.
Further, as shown in fig. 3 and 4, the first profile blanking module described above includes a first punch 5. The first shape punching module punches the shapes of different parts of two adjacent cushion washers 100 on the material belt 4 when the cushion washers 100 are unfolded through the first punch 5 on the second side 42 of the material belt 4 to form the shape contour of the first part of the cushion washer 100 when the cushion washers 100 are unfolded.
With the above arrangement, since the outer shapes of the different portions of the cushion washer 100 when it is expanded are punched by the single punch, the error in the machining dimension of each of the different portions can be reduced.
Further, as shown in fig. 3 and 5, the aforementioned second profile blanking module comprises a second punch 6. The second profile punching module punches the profiles of different parts of two adjacent cushion washers 100 when the cushion washers 100 are unfolded through the second punch 6 to form the profile of the second part of the cushion washer 100 when the cushion washers 100 are unfolded.
With the above arrangement, since the outer shapes of the different portions of the cushion washer 100 when it is expanded are punched by the single punch, the error in the machining dimension of each of the different portions can be further reduced.
Further, as shown in fig. 3, the first bending module is used for bending each second leg arm 22 of the cushion ring 100 at the same station of the mold, so that each second leg arm 22 of the cushion ring 100 is bent toward the first surface 11 of the ring piece 1 relative to the connecting piece 21, and one end of each second leg arm 22 away from the connecting piece 21 is flanged 221 toward the second surface 12 of the ring piece 1.
In the above example, since the second leg arms 22 of the cushion ring 100 are simultaneously bent at the same station, the bending accuracy of the second leg arms 22 can be protected.
Further, as shown in fig. 3, the second bending module is used for bending each first leg arm 3 of the cushion washer 100 at the same station of the die, and bends each first leg arm 3 of the cushion washer 100 toward the second surface 12 side with respect to the ring piece 1.
In the above example, since the bending work is simultaneously performed on the first leg arms 3 of the cushion ring 100 at the same station, the bending accuracy of the first leg arms 3 can be protected.
Further, the aforementioned continuous stamping die may further include a blowing mechanism for blowing the cushion gasket 100 separated from the material tape 4 out of the die to assist in discharging.
Specifically, the lower mold of the continuous press mold has a blow hole to blow air to the cushion washer 100 through the blow hole.
Here, it should be noted that: in the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The buffer gasket is characterized by comprising a ring sheet (1), wherein the outer side wall of the ring sheet (1) radially extends to form more than two lugs (2) and first support arms (3), and the lugs (2) and the first support arms (3) are sequentially arranged at intervals in the circumferential direction of the ring sheet (1);
the lug (2) comprises a connecting piece (21) so as to be connected with the ring piece (1) through the connecting piece (21); a second supporting leg arm (22) extends from one side of the connecting piece (21) along the circumferential direction of the ring piece (1), the second supporting leg arm (22) is bent towards the first surface (11) side of the ring piece (1) relative to the connecting piece (21), and one end, away from the connecting piece (21), of the second supporting leg arm (22) is provided with a flanging (221) bent towards the second surface (12) side of the ring piece (1); the first face (11) and the second face (12) are opposite faces of the ring piece (1);
the first leg arm (3) is bent toward the second surface (12) relative to the ring piece (1).
2. The processing method of the cushion washer is characterized in that a material belt (4) walks in a continuous die in a pulse mode, and the material belt (4) is subjected to operation comprising the following steps at each station of the die:
step S1: punching a first positioning hole (401) at the edge of a first side (41) of the material belt (4) and punching a second positioning hole (402) at the edge of a second side (42), wherein the first positioning hole (401) and the second positioning hole (402) are holes for inserting positioning pins of a mold; the first side (41) and the second side (42) are two sides which are opposite to each other in the width direction of the material belt (4);
step S2: punching an inner hole of a ring sheet (1) of the buffer gasket on the material belt (4);
step S3: the outline of the cushion washer when being unfolded is punched on the material belt (4) to form the outline of the cushion washer when being unfolded, namely a ring piece (1), a connecting piece (21), a first supporting leg arm (3) and a second supporting leg arm (22), and the connecting piece (21) of the cushion washer is provided with a material belt point;
step S4: bending each second support arm (22) of the buffer washer, so that each second support arm (22) of the buffer washer is bent towards the first surface (11) side of the ring piece (1) relative to the connecting piece (21), and one end of each second support arm (22) departing from the connecting piece (21) is flanged (221) towards the second surface (12) side of the ring piece (1);
step S5: bending each first leg arm (3) of the cushion washer, so that each first leg arm (3) of the cushion washer is bent towards the second surface (12) relative to the ring piece (1);
step S6: and punching the strip material points of the cushion washers on the strip material (4) so as to separate the cushion washers from the strip material (4).
3. The processing method of the cushion washer according to claim 2, wherein the step S3 specifically includes the steps of:
step S31: the first part of the outline of the punched cushion washer is expanded on the second side (42) of the material belt (4), and the punched waste material comprises a second positioning hole (402), so that the material belt (4) is guided by the material edge of the first side (41);
step S32: and a second outline of the cushion washer when the cushion washer is unfolded is punched on the material belt (4) to form the outline of the cushion washer when the ring sheet (1), the connecting sheet (21), the first support arm (3) and the second support arm (22) are unfolded, and the connecting sheet (21) of the cushion washer is provided with a material belt point.
4. The method for processing a cushion ring according to claim 3,
in step S32, the tape points include a first tape point (411) on one web (21) and a second tape point (412) on the other web (21);
the buffer washer on the material belt (4) is connected with the material edge of the first side (41) of the material belt (4) through a first material belt point (411) and is connected with the connecting piece (21) of another buffer washer adjacent to the upstream through a second material belt point (412).
5. The method for processing a cushion ring according to claim 3 or 4,
in step S31, the outline of the first portion of the cushion pad when it is unfolded is formed by punching the outline of the different portions of the strip of material (4) when two adjacent cushion pads are unfolded on the second side (42) of the strip of material (4) with a single punch in a die.
6. The method for processing a cushion ring according to claim 3 or 4,
in step S32, the outline of the second portion of the cushion pad when being unfolded is formed by punching the outline of different parts of the strip of material (4) when two adjacent cushion pads are unfolded by using a single punch in the die.
7. The method of processing a cushion washer according to any one of claims 2 to 4,
in step S4, the second leg arms (22) of the cushion washer are bent at the same station of the die, so that the second leg arms (22) of the cushion washer are bent toward the first surface (11) of the ring piece (1) with respect to the connecting piece (21), and one end of the second leg arms (22) away from the connecting piece (21) is flanged (221) toward the second surface (12) of the ring piece (1).
8. The method of processing a cushion washer according to any one of claims 2 to 4,
in step S5, the first leg arms (3) of the cushion ring are bent toward the second surface (12) with respect to the ring piece (1) by bending the first leg arms (3) of the cushion ring at the same station of the die.
9. The method of processing a cushion washer according to any one of claims 2 to 4,
in step S6, the cushion ring separated from the tape (4) is blown out of the mold by blowing air.
10. A progressive stamping die for use in processing cushion rings, comprising:
the number of the positioning needles is multiple, and the positioning needles are sequentially arranged along the advancing direction of the material belt (4);
the positioning hole punching module is used for punching a first positioning hole (401) at the edge of a first side (41) of the material belt (4) and punching a second positioning hole (402) at the edge of a second side (42), and the first positioning hole (401) and the second positioning hole (402) are holes for inserting positioning needles; the first side (41) and the second side (42) are two sides which are opposite to each other in the width direction of the material belt (4);
the inner hole punching module is used for punching the inner hole of the ring piece (1) of the buffer gasket on the material belt (4);
the outer shape punching module is used for punching the outer shape outline of the cushion washer when the cushion washer is unfolded on the material belt (4) so as to form the outer shape of the cushion washer when the ring piece (1), the connecting piece (21), the first support arm (3) and the second support arm (22) are unfolded, and the connecting piece (21) of the cushion washer is provided with a material belt point;
the first bending module is used for bending each second support arm (22) of the buffer gasket, so that each second support arm (22) of the buffer gasket is bent towards the first surface (11) side of the ring piece (1) relative to the connecting piece (21), and one end of each second support arm (22) departing from the connecting piece (21) is flanged (221) towards the second surface (12) side of the ring piece (1);
the second bending module is used for bending each first support arm (3) of the buffer gasket to enable each first support arm (3) of the buffer gasket to bend towards the second surface (12) relative to the ring piece (1);
and the strip point punching module is used for punching the strip point of the cushion gasket on the strip (4) so as to separate the cushion gasket from the strip (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910118523.9A CN109822001B (en) | 2019-02-16 | 2019-02-16 | Buffer washer, continuous stamping die thereof and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910118523.9A CN109822001B (en) | 2019-02-16 | 2019-02-16 | Buffer washer, continuous stamping die thereof and processing method |
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| Publication Number | Publication Date |
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| CN109822001A CN109822001A (en) | 2019-05-31 |
| CN109822001B true CN109822001B (en) | 2020-07-07 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2226258A (en) * | 1988-12-07 | 1990-06-27 | Skf Svenska Kullagerfab Ab | A washer having at least one integral projection |
| US5846001A (en) * | 1997-03-15 | 1998-12-08 | Ina Walzlager Schaeffler Ohg | Thrust bearing washer |
| CN203610511U (en) * | 2013-11-20 | 2014-05-28 | 江苏荣腾精密组件科技股份有限公司 | Forming die for punching and stretching |
| CN204664118U (en) * | 2015-06-06 | 2015-09-23 | 国网山东省电力公司潍坊供电公司 | Electrical equipment joint special washer |
| CN206723660U (en) * | 2017-04-28 | 2017-12-08 | 东风汽车公司 | The flange gasket and its application of Anti-fall and anti-neglected loading |
| CN207018511U (en) * | 2017-05-31 | 2018-02-16 | 奇瑞汽车股份有限公司 | Gasket of oil return pipe of supercharger |
| CN207592567U (en) * | 2017-10-27 | 2018-07-10 | 上海德真工贸有限公司 | A kind of stainless steel washer progressive die |
-
2019
- 2019-02-16 CN CN201910118523.9A patent/CN109822001B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2226258A (en) * | 1988-12-07 | 1990-06-27 | Skf Svenska Kullagerfab Ab | A washer having at least one integral projection |
| US5846001A (en) * | 1997-03-15 | 1998-12-08 | Ina Walzlager Schaeffler Ohg | Thrust bearing washer |
| CN203610511U (en) * | 2013-11-20 | 2014-05-28 | 江苏荣腾精密组件科技股份有限公司 | Forming die for punching and stretching |
| CN204664118U (en) * | 2015-06-06 | 2015-09-23 | 国网山东省电力公司潍坊供电公司 | Electrical equipment joint special washer |
| CN206723660U (en) * | 2017-04-28 | 2017-12-08 | 东风汽车公司 | The flange gasket and its application of Anti-fall and anti-neglected loading |
| CN207018511U (en) * | 2017-05-31 | 2018-02-16 | 奇瑞汽车股份有限公司 | Gasket of oil return pipe of supercharger |
| CN207592567U (en) * | 2017-10-27 | 2018-07-10 | 上海德真工贸有限公司 | A kind of stainless steel washer progressive die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109822001A (en) | 2019-05-31 |
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