CN218361628U - Blanking and stretching composite die - Google Patents
Blanking and stretching composite die Download PDFInfo
- Publication number
- CN218361628U CN218361628U CN202222197448.XU CN202222197448U CN218361628U CN 218361628 U CN218361628 U CN 218361628U CN 202222197448 U CN202222197448 U CN 202222197448U CN 218361628 U CN218361628 U CN 218361628U
- Authority
- CN
- China
- Prior art keywords
- die
- blanking
- stretching
- punch
- fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a blanking stretching composite die, which is used for preparing a cap gasket and comprises a lower die and an upper die, wherein the lower die comprises a lower die holder and a first fixing plate, the first fixing plate comprises a fixing convex part arranged at the middle part and a fixing concave part annularly arranged at the periphery of the fixing concave part, a stretching male die is inserted in the middle part of the fixing convex part along the up-down direction, the upper end surface of the stretching male die is higher than the upper side surface of the first fixing plate, a blanking female die is arranged on the fixing concave part, and the upper side surface of the blanking female die is higher than the upper end surface of the stretching male die; the upper die and the lower die are arranged at intervals in the vertical direction and comprise an upper die base, a male die and a female die and a stripper, the male die and the female die are arranged on the lower side of the upper die base, the male die and the female die are arranged corresponding to the stretching male die, and the stripper is arranged on the periphery of the male die and the female die; wherein, the relative lower mould activity of mould about can following the upper die orientation, and when being close to the lower mould, tensile terrace die can insert the concave part of punch-die, so, can once only accomplish blanking, tensile process, reduction in production cost improves preparation efficiency.
Description
Technical Field
The utility model relates to a gasket stamping forming equipment technical field, concretely relates to tensile compound mould of blanking.
Background
Although the cap gasket of the automobile is an important part of the automobile, the cap gasket is not provided with a covering part with complex shape and forming depth, the forming of the cap gasket needs a plurality of processing procedures such as blanking, drawing, trimming, punching and the like, so that the number of required dies is large, the turnover procedures are increased, further, the resources such as personnel, equipment and the like are increased, and the production and manufacturing cost of the product is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tensile compound mould of blanking, aim at solving the more problem that leads to its manufacturing cost high of the required mould quantity of current block gasket production.
In order to achieve the above object, the utility model provides a tensile compound mould of blanking for preparation block gasket, the tensile compound mould of blanking includes:
the lower die is used for bearing a workpiece to be formed and comprises a lower die seat and a first fixing plate, the first fixing plate is fixedly arranged on the upper side of the lower die seat and comprises a fixing convex part arranged in the middle and a fixing concave part annularly arranged on the periphery of the fixing concave part, a stretching male die is inserted into the middle of the fixing convex part along the vertical direction, the upper end face of the stretching male die is higher than the upper end face of the first fixing plate, a blanking female die is arranged on the fixing concave part, and the upper end face of the blanking female die is higher than the upper end face of the stretching male die; and the number of the first and second groups,
the upper die and the lower die are arranged at intervals in the vertical direction and comprise an upper die base, a punch-die and a stripper, the punch-die and the stripper are arranged on the lower side of the upper die base, the punch-die is arranged corresponding to the drawing punch, and the stripper is arranged on the periphery of the punch-die;
the upper die can move relative to the lower die in the vertical direction, and the stretching male die can be inserted into the concave part of the male die and the concave part of the female die when the upper die is close to the lower die.
Optionally, the upper die further comprises a screw, the stripper plate is connected with the upper die base through the screw, an elastic piece is arranged between the stripper plate and the upper die base, and the elastic piece is sleeved on the periphery of the screw.
Optionally, the resilient member comprises a spring.
Optionally, the blanking and stretching composite die further comprises a die handle, wherein the die handle is arranged in the middle of the upper die base and is in driving connection with the upper die so as to drive the upper die to move relative to the lower die in the up-down direction.
Optionally, the blanking and stretching composite die further comprises:
the knockout rod sequentially penetrates through the middle part of the die shank and the concave part of the male die and the concave die along the up-down direction; and the number of the first and second groups,
and the ramming plate is arranged at the lower end of the ramming rod and is positioned in the concave part of the punch-die for separating the punch-die and the molded workpiece.
Optionally, the upper die further comprises a second fixing plate, the second fixing plate is arranged on the lower side of the upper die base, and a male die and a female die are inserted into the middle of the second fixing plate in the vertical direction.
Optionally, the lower die further comprises a first pad plate, and the first pad plate is installed between the lower die base and the first fixing plate.
Optionally, the upper die further comprises a second backing plate, and the second backing plate is installed between the upper die base and the punch-die.
Optionally, the lower die base is provided with a guide post, the upper die base is provided with a guide sleeve corresponding to the guide post, and the guide sleeve is matched with the guide post so that the guide post is inserted into the guide sleeve when the upper die is close to the lower die.
Optionally, the blanking female die is provided with a guide hole along the up-down direction, a guide pin and a first elastic piece arranged at the lower end of the guide pin are inserted into the guide hole, and the guide pin can move along the up-down direction relative to the blanking female die; and/or the presence of a gas in the atmosphere,
the blanking female die is provided with a material blocking hole in the vertical direction, a material blocking pin and a second elastic piece arranged at the lower end of the material blocking pin are inserted into the material blocking hole, and the material blocking pin can move in the vertical direction relative to the blanking female die.
The technical scheme of the utility model, the tensile compound mould of blanking includes lower mould and last mould, the lower mould includes the die holder, first fixed plate, and locate the tensile terrace die and the blanking die of first fixed plate, the last mould includes the upper die holder, punch-die and stripper, the last mould can be along the relative lower mould activity of upper and lower direction, and when the last mould is close to the lower mould, the concave part of punch-die can be inserted to the tensile terrace die, so, when waiting to shape the work piece spacing on the lower mould, the last mould moves down, the stripper compresses tightly the work piece of waiting to shape with the blanking die, then the punch-die moves down, will wait to shape the work piece separation, accomplish the blanking process, then in the punch-die moves down process, when the upper end of tensile terrace die stretches into the concave part of punch-die, begin to stretch, until moving down to predetermineeing the stroke, make the convex part of punch-die and the fixed convex part of first fixed plate compress tightly the work piece of waiting to shape, the tensile process is accomplished, wait to shape the work piece shaping; that is, the blanking female die and the punch-die form a blanking mechanism, the blanking cutting edge is mainly arranged on the blanking female die and the punch-die, the blanking is based on the blanking female die, and the gap between the punch-die and the blanking female die is determined by the thickness of a workpiece; meanwhile, the punch-die and the stretching punch form a stretching mechanism, the concave part of the punch-die is a forming cavity, and the processing of the molding surface takes the punch-die as a reference; therefore, the utility model provides a compound mould of tensile blanking can once only accomplish blanking, tensile process, reduces work piece forming die equipment quantity and turnover process, and reduction in production cost improves preparation efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a blanking-stretching composite die provided by the present invention;
fig. 2 is a schematic top view of a lower die of the drop stretch composite die of fig. 1.
The reference numbers illustrate:
| reference numerals | Name(s) | Reference numerals | Name (R) |
| 100 | Blanking and stretching composite die | 23 | Stripper plate |
| 1 | Lower die | 24 | |
| 11 | Lower die |
25 | |
| 12 | |
26 | |
| 121 | |
27 | |
| 122 | |
3 | Die |
| 13 | Stretching male die | 4 | Knockout |
| 14 | Blanking die | 5 | |
| 15 | |
6 | |
| 16 | |
7 | |
| 2 | Upper die | 210 | Workpiece to be formed |
| 21 | Upper die |
220 | |
| 22 | Convex-concave die |
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear \8230;) are involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship between the components in a specific posture (as shown in the attached drawings), the motion situation, etc., and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments 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, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Although the cap gasket is not provided with a covering part with complex shape and forming depth, the forming of the cap gasket also needs a plurality of processing procedures such as blanking, drawing, trimming, punching and the like, so that the number of required dies is large, the turnover procedures are increased, further, the resources such as personnel, equipment and the like are increased, and the production and manufacturing cost of products is high.
In view of this, the utility model provides a compound mould is stretched to blanking, fig. 1 and fig. 2 do the utility model provides an embodiment of a compound mould is stretched to blanking.
Referring to fig. 1, a blanking and stretching composite die 100 is used for preparing a cap gasket, the blanking and stretching composite die 100 includes a lower die 1 and an upper die 2, the lower die 1 is used for bearing a workpiece 210 to be formed, and includes a lower die holder 11 and a first fixing plate 12, the first fixing plate 12 is fixedly mounted on the upper side of the lower die holder 11 and includes a fixing convex portion 121 arranged in the middle and a fixing concave portion 122 annularly arranged on the periphery of the fixing concave portion 122, a stretching male die 13 is inserted in the middle of the fixing convex portion 121 along the up-down direction, the upper end surface of the stretching male die 13 is higher than the upper side surface of the first fixing plate 12, a blanking female die 14 is mounted on the fixing concave portion 122, and the upper side surface of the blanking female die 14 is higher than the upper end surface of the stretching male die 13; the upper die 2 and the lower die 1 are arranged at intervals in the vertical direction and comprise an upper die base 21, a punch-die 22 and a stripper 23, the punch-die 22 and the stripper 23 are arranged on the lower side of the upper die base 21, the punch-die 22 corresponds to the stretching punch 13, and the stripper 23 is arranged on the periphery of the punch-die 22; wherein the upper die 2 is movable in the up-down direction with respect to the lower die 1, and the drawing punch 13 is inserted into the concave portion of the punch-die 22 when approaching the lower die 1.
In the technical solution of the present invention, the blanking drawing compound die 100 includes a lower die 1 and an upper die 2, the lower die 1 includes a lower die base 11, a first fixing plate 12, and a drawing male die 13 and a blanking female die 14 which are disposed on the first fixing plate 12, the upper die 2 includes an upper die base 21, a male die 22 and a stripper 23, the upper die 2 is movable relative to the lower die 1 along the up-down direction, and when the upper die 2 is close to the lower die 1, the drawing male die 13 can be inserted into a concave portion of the male die 22, so when the workpiece 210 to be formed is limited on the lower die 1, the upper die 2 moves down, the stripper 23 and the blanking female die 14 press the workpiece 210 to be formed, then the male die 22 moves down, separate the workpiece 210 to be formed, complete the blanking process, then in the process of moving down the male die 22, when the upper end of the drawing male die 13 extends into the concave portion of the male die 22, the drawing starts to be performed, until the workpiece moves down to a preset stroke, so that the convex portion of the male die 22 and the fixed 121 of the workpiece 210 to be formed are fixed, the workpiece 210, the drawing process is completed, and the workpiece 210 to be formed is formed; that is, the blanking female die 14 and the male and female dies 22 form a blanking mechanism, the blanking cutting edges are mainly arranged on the blanking female die 14 and the male and female dies 22, the blanking is based on the blanking female die 14, and the gap between the male and female dies 22 and 14 is determined by the thickness of the workpiece; meanwhile, the punch-die 22 and the stretching punch 13 form a stretching mechanism, the concave part of the punch-die 22 is a forming cavity, and the molding surface processing takes the punch-die 22 as a reference; therefore, the utility model provides a compound mould 100 is stretched to blanking can once only accomplish blanking, tensile process, reduces work piece forming die equipment quantity and turnover process, and reduction in production cost improves preparation efficiency.
In addition, the arrangement of the first fixing plate 12 has a fixing and limiting effect on the stretching male die 13, and the machining precision is guaranteed.
Further, referring to fig. 1, the upper die 2 further includes a screw, the stripper plate 23 is connected to the upper die base 21 by the screw, an elastic member 24 is disposed between the stripper plate 23 and the upper die base 21, and the elastic member 24 is sleeved on the periphery of the screw; when the upper die 2 moves downwards, the elastic piece 24 is compressed under stress and acts on the stripper plate 23, the stripper plate 23 and the blanking female die 14 tightly press the workpiece 210 to be formed, at the moment, the stripper plate 23 has a pressing function, after the workpiece is formed, the upper die 2 moves upwards, the elastic piece 24 elastically stretches and acts on the stripper plate 23, so that the stripper plate 23 pushes out the blanking waste, and at the moment, the stripper plate 23 has a discharging function; the setting of elastic component 24 makes 23 atresss of stripper even, improves the roughness of work piece, can cushion the effort between 23 of stripper and the upper die base 21 simultaneously, avoids the structure impaired.
Further, the form of the elastic member 24 is not limited, and the elastic member 24 may be a spring, or a rubber sleeve, and the like, specifically, in an embodiment of the present invention, the elastic member 24 is a spring, which is low in cost.
Specifically, referring to fig. 1, the blanking-stretching composite die 100 further includes a die handle 3, the die handle 3 is disposed in the middle of the upper die base 21 and is in driving connection with the upper die 2 to drive the upper die 2 to move relative to the lower die 1 in the up-down direction; more specifically, the die shank 3 is connected with the drive end of press, goes up the mould 2 activity through the press drive, in the utility model discloses an embodiment, the cooperation requirement of die shank 3 and upper die base 21 is H7/m6.
Further, after the stretching process is completed, in order to facilitate the separation of the molded workpiece 220 from the punch-die 22, the blanking and stretching composite die 100 further includes a knockout rod 4 and a knockout plate 5, the knockout rod 4 sequentially penetrates through the middle of the die shank 3 and the concave portion of the punch-die 22 along the up-down direction, and the knockout plate 5 is disposed at the lower end of the knockout rod 4 and located in the concave portion of the punch-die 22 to separate the punch-die 22 and the molded workpiece 220; after the stretching process is completed, the upper die 2 moves upwards, and the knockout plate 5 is driven by the knockout rod 4 to move, so that the knockout plate 5 pushes the formed workpiece 220 to be separated from the punch-die 22. More specifically, a first through hole is formed in the die shank 3 in the vertical direction, a second through hole is formed in the upper die base 21 in the vertical direction, a third through hole penetrating through the concave portion is formed in the punch-die 22 in the vertical direction, and the first through hole, the second through hole and the third through hole are correspondingly arranged and communicated to form a sliding channel for the insertion of the knockout rod 4.
Further, the blanking stretching composite die 100 further comprises an ejector rod penetrating through the first fixing plate 12 and used for ejecting the formed workpiece 220 by upward movement after stretching is completed, so that the formed workpiece 220 is separated from the first fixing plate 12, more specifically, the lower end of the ejector rod is provided with an elastic ejecting piece, when stretching is performed, the elastic ejecting piece is elastically compressed, after stretching is completed, the male die and the female die 22 move upward, the elastic ejecting piece is elastically stretched and acts on the ejector rod, so that the ejector rod moves upward to eject the formed workpiece 220. The form of the elastic ejecting piece is not limited, and the elastic ejecting piece can be a spring, an elastic sheet and the like.
Specifically, referring to fig. 1, the upper die 2 further includes a second fixing plate 25, the second fixing plate 25 is disposed on the lower side of the upper die base 21, a male die 22 and a female die 22 are inserted into the middle of the second fixing plate 25 along the vertical direction, and the second fixing plate 25 has a fixing and limiting effect on the male die 22 and the female die 22, so as to ensure the machining accuracy.
Specifically, referring to fig. 1, the lower die 1 further includes a first cushion plate 15, the first cushion plate 15 is installed between the lower die base 11 and the first fixing plate 12, and when the upper die 2 moves downward, the first cushion plate 15 is used for bearing the pressure of the blanking female die 14 and the stretching male die 13, so as to prevent the excessive impact from forming a pit on the lower die base 11 and affecting the normal operation of the blanking and stretching composite die 100.
The thickness of the first shim plate 15 is generally 5 to 12mm, which is selected according to the size of the press, and the first shim plate 15 has the same outer shape as the first fixing plate 12, is made of 45 steel, and has a hardness of 45 to 48HRC after heat treatment.
It should be noted that, in the present invention, the first fixing plate 12, the first cushion plate 15 and the lower die holder 11 sequentially pass through a screw penetrating and fixing connection along the up-down direction.
Specifically, referring to fig. 1, the upper die 2 further includes a second pad 26, the second pad 26 is installed between the upper die base 21 and the punch and die 22, and when the upper die 2 moves upward, the second pad 26 is used for bearing the pressure of the punch and die 22, so as to prevent a pit from being formed on the upper die base 21 by an excessive impact and affecting the normal operation of the blanking and stretching composite die 100.
The thickness of the second shim plate 26 is generally 5 to 12mm, which is selected according to the size of the press, and the second shim plate 26 has the same outer shape as the second fixing plate 25, is 45 steel, and has a hardness of 45 to 48HRC after heat treatment.
It should be noted that, in the present invention, the upper die base 21, the second pad 26 and the second fixing plate 25 sequentially pass through a screw to be fixedly connected in the vertical direction.
Specifically, referring to fig. 1, a guide pillar 16 is installed on the lower die base 11, a guide sleeve 27 is installed on the upper die base 21 corresponding to the guide pillar 16, and the guide sleeve 27 is adapted to the guide pillar 16, so that when the upper die 2 approaches the lower die 1, the guide pillar 16 is inserted into the guide sleeve 27, and the guide pillar 16 and the guide sleeve 27 are guided by being matched with each other, so that the upper die base 21 and the lower die base 11 are connected into a whole, and meanwhile, the matching between the punch and die 22 and the drawing punch 13 can be more accurately ensured, and the drawing quality of a workpiece is further improved.
It should be noted that the guide post 16 and the lower die base 11 may be in interference fit or may be bonded; of course, the guide sleeve 27 and the upper die base 21 may be in interference fit or may be bonded.
Specifically, a guide hole is formed in the blanking female die 14 in the vertical direction, a guide pin 6 and a first elastic member arranged at the lower end of the guide pin 6 are inserted into the guide hole, and the guide pin 6 can move in the vertical direction relative to the blanking female die 14, specifically, the guide pin 6 moves between a first initial position and a first avoidance position, when the guide pin 6 is not abutted to the discharging plate 23, the guide pin 6 is located at the first initial position, at this time, the first elastic member is in a natural state, and part of the guide pin 6 extends out of the guide hole, that is, before the blanking process, namely when the workpiece 210 to be formed is fed, the guide pin 6 is located at the first initial position, and the outer peripheral side of the guide pin abuts to the workpiece 210 to be formed, so that the moving direction of the workpiece 210 to be formed is limited, a guiding effect is achieved, the machining precision is favorably ensured, and the machining quality is improved; when the lower die 1 moves downwards to perform a blanking process, the discharging plate 23 presses the guide pin 6 downwards, the first elastic part is compressed under force through force conduction, the guide pin 6 is pressed into the guide hole and is located at a first avoidance position, so that the discharging plate 23 is in contact with the workpiece 210 to be formed and compresses the workpiece 210 to be formed together with the blanking female die 14; after blanking and stretching are finished, the upper die 2 moves upwards, the discharging plate 23 moves upwards, the guide pin 6 moves upwards under the action of the resilience force of the first elastic piece and moves from the first avoiding position to the first initial position to guide feeding of a subsequent workpiece 210 to be formed. More specifically, the part of the guide pin 6 near the upper end thereof is recessed to form a guide groove, and the width of the guide groove is adapted to the thickness of the workpiece 210 to be formed, so that the edge of the workpiece 210 to be formed can be inserted into the guide groove during feeding, thereby improving the guiding effect.
It should be noted that, the number of the guide pins 6 is not limited, and may be one, or may be two, and so on, in an embodiment of the present invention, the guide pins 6 are provided with two, and the two guide pins 6 are arranged along the first direction at intervals, and are respectively arranged on two sides of the workpiece 210 to be formed in the first direction, and the first direction is a direction perpendicular to a feeding direction of the workpiece 210 to be formed.
It should be noted that the form of the first elastic member is not limited, and may be a spring, rubber, or the like.
Specifically, a material blocking hole is formed in the blanking female die 14 in the vertical direction, a material blocking pin 7 and a second elastic member arranged at the lower end of the material blocking pin 7 are inserted into the material blocking hole, and the material blocking pin 7 can move in the vertical direction relative to the blanking female die 14, specifically, the material blocking pin 7 moves between a second initial position and a second avoiding position, when the material blocking pin 7 is not abutted to the discharging plate 23, the material blocking pin 7 is located at the second initial position, at this time, the second elastic member is in a natural state, part of the material blocking pin 7 extends out of the material blocking hole, and the peripheral side of the material blocking pin is abutted to the inner side of the material blocking hole of the previous workpiece, that is, when feeding is performed, the material blocking pin 7 is inserted into the material blocking hole of the previous workpiece to define the position of the next workpiece 210 to be formed, so as to improve the processing precision, when the upper die 2 moves downwards to perform the blanking process, the discharging plate 23 presses down the material blocking pin 7, through force conduction, the second elastic member is compressed, the material blocking pin 7 is pressed into the material blocking hole, so that the discharging plate 23 is in contact with the workpiece to be formed, and the discharging plate 14 is pressed to be formed together with the workpiece 210; after blanking and stretching are finished, the upper die 2 moves upwards, the discharging plate 23 moves upwards, the material blocking pin 7 moves upwards under the action of the resilience force of the second elastic piece, moves to a second initial position from a second avoiding position, and continues to limit the next workpiece 210 to be molded.
It should be noted that the number of the material blocking pins 7 is not limited, and may be one, two, or the like, in an embodiment of the present invention, one material blocking pin 7 is provided, and is disposed in the feeding direction of the workpiece 210 to be formed.
It should be noted that the form of the second elastic member is not limited, and may be a spring, rubber, or the like.
It should be noted that, in the present invention, the two technical features can be alternatively or simultaneously set, specifically, referring to fig. 2, in an embodiment of the present invention, the two technical features are simultaneously set, that is, the blanking die 14 is provided with a guide hole along the up-down direction, the guide pin 6 and the first elastic member arranged at the lower end of the guide pin 6 are inserted into the guide hole, and the guide pin 6 can move in the up-down direction relative to the blanking die 14; a material blocking hole is formed in the blanking female die 14 in the vertical direction, a material blocking pin 7 and a second elastic piece arranged at the lower end of the material blocking pin 7 are inserted into the material blocking hole, and the material blocking pin 7 can move in the vertical direction relative to the blanking female die 14; by the arrangement, the feeding accuracy of the workpiece 210 to be formed is greatly improved, and the processing quality of the workpiece is further improved.
The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A blanking and stretching composite die for manufacturing a cap gasket is characterized by comprising:
the lower die is used for bearing a workpiece to be formed and comprises a lower die base and a first fixing plate, the first fixing plate is fixedly arranged on the upper side of the lower die base and comprises a fixing convex part arranged in the middle and a fixing concave part annularly arranged on the periphery of the fixing concave part, a stretching male die is inserted into the middle of the fixing convex part along the vertical direction, the upper end face of the stretching male die is higher than the upper side face of the first fixing plate, a blanking female die is arranged on the fixing concave part, and the upper side face of the blanking female die is higher than the upper end face of the stretching male die; and the number of the first and second groups,
the upper die and the lower die are arranged at intervals in the vertical direction and comprise an upper die base, a punch-die and a stripper, the punch-die and the stripper are arranged on the lower side of the upper die base, the punch-die is arranged corresponding to the stretching punch, and the stripper is arranged on the periphery of the punch-die;
the upper die can move relative to the lower die in the vertical direction, and the stretching male die can be inserted into the concave part of the male die and the concave part of the female die when the upper die is close to the lower die.
2. The blank stretching compound die of claim 1, wherein the upper die further comprises a screw, the stripper plate is connected with the upper die base through the screw, and an elastic member is arranged between the stripper plate and the upper die base and sleeved on the periphery of the screw.
3. The blank-stretching composite die of claim 2, wherein the elastic member comprises a spring.
4. The blanking-stretching compound die as claimed in claim 1, wherein the blanking-stretching compound die further comprises a die handle, the die handle is disposed at the middle of the upper die base and is in driving connection with the upper die so as to drive the upper die to move relative to the lower die in the up-down direction.
5. The blank-stretch composite die of claim 4, further comprising:
the knockout rod sequentially penetrates through the middle part of the die shank and the concave part of the male die and the concave die along the up-down direction; and the number of the first and second groups,
and the ramming plate is arranged at the lower end of the ramming rod and is positioned in the concave part of the punch-die for separating the punch-die and the molded workpiece.
6. The blanking and stretching composite die as claimed in claim 1, wherein said upper die further comprises a second fixing plate, said second fixing plate is disposed at the lower side of said upper die base, and said male and female dies are inserted into the middle of said second fixing plate along the vertical direction.
7. The blank stretching composite die of claim 1, wherein the lower die further comprises a first backing plate, and the first backing plate is installed between the lower die base and the first fixing plate.
8. The blank stretching composite die of claim 1, wherein the upper die further comprises a second backing plate, and the second backing plate is installed between the upper die base and the punch-die.
9. The blank stretching compound die of claim 1, wherein the lower die base is provided with guide posts, the upper die base is provided with guide sleeves corresponding to the guide posts, and the guide sleeves are matched with the guide posts so that the guide posts are inserted into the guide sleeves when the upper die approaches the lower die.
10. The blanking-stretching composite die as claimed in claim 1, wherein the blanking female die is provided with a guide hole along the up-down direction, a guide pin and a first elastic member arranged at the lower end of the guide pin are inserted into the guide hole, and the guide pin can move along the up-down direction relative to the blanking female die; and/or the presence of a gas in the atmosphere,
the blanking female die is provided with a material blocking hole in the vertical direction, a material blocking pin and a second elastic piece arranged at the lower end of the material blocking pin are inserted into the material blocking hole, and the material blocking pin can move in the vertical direction relative to the blanking female die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222197448.XU CN218361628U (en) | 2022-08-18 | 2022-08-18 | Blanking and stretching composite die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222197448.XU CN218361628U (en) | 2022-08-18 | 2022-08-18 | Blanking and stretching composite die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218361628U true CN218361628U (en) | 2023-01-24 |
Family
ID=84968002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222197448.XU Active CN218361628U (en) | 2022-08-18 | 2022-08-18 | Blanking and stretching composite die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218361628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116900103A (en) * | 2023-09-14 | 2023-10-20 | 四川富士电机有限公司 | Wiper arm combination stamping die |
-
2022
- 2022-08-18 CN CN202222197448.XU patent/CN218361628U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116900103A (en) * | 2023-09-14 | 2023-10-20 | 四川富士电机有限公司 | Wiper arm combination stamping die |
| CN116900103B (en) * | 2023-09-14 | 2023-11-28 | 四川富士电机有限公司 | Wiper arm combination stamping die |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218361628U (en) | Blanking and stretching composite die | |
| CN113996708A (en) | Continuous stamping die of cap-shaped part | |
| CN211437767U (en) | Punching and trimming forming die for two ends of inner reinforcing plate of automobile front wheel | |
| CN211052299U (en) | One shot forming's negative angle bending structure | |
| US4800745A (en) | Spur gear automatic production process | |
| CN216441509U (en) | Wedge structure type mould | |
| CN214517098U (en) | Multi-sub-piece forming progressive die of integral type corrugated piece | |
| CN213256643U (en) | Stamping die who buckles punches a hole step by step | |
| CN214133585U (en) | Automatic forming stamping die for elastic sheet on quick-release lock part | |
| CN210208322U (en) | Automobile back door outer plate stamping die | |
| CN210999091U (en) | Trimming and finishing jig | |
| CN211564203U (en) | Hydraulic compound die for fastener with inwards-oblique bent edge | |
| CN210450556U (en) | Continuous mould of stay tube | |
| CN217252068U (en) | Punching and riveting integrated device | |
| CN220196076U (en) | Stamping die and stamping equipment | |
| CN210586711U (en) | Multi-bending one-step forming stamping die | |
| CN214442353U (en) | Safety cover stamping die | |
| CN220127376U (en) | Cold stamping die structure for side plate of radiator | |
| CN214517148U (en) | Punch forming die for processing hole overlap edge and side hole flanging in booster shell | |
| CN216175831U (en) | Machining die for rear seat mounting bracket | |
| CN112916731B (en) | Blanking, tongue cutting and bending composite die | |
| CN214078740U (en) | Stainless steel thick material precision stamping die | |
| CN220760759U (en) | Multistation stamping die | |
| CN218611346U (en) | In-mold wire feeding mechanism | |
| CN217941558U (en) | Extruding, tooth-extruding and tapping forming die for boss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |