CN213162704U - Hollow lid boss deep-drawing negative angle progressive die that bends - Google Patents
Hollow lid boss deep-drawing negative angle progressive die that bends Download PDFInfo
- Publication number
- CN213162704U CN213162704U CN202021526121.7U CN202021526121U CN213162704U CN 213162704 U CN213162704 U CN 213162704U CN 202021526121 U CN202021526121 U CN 202021526121U CN 213162704 U CN213162704 U CN 213162704U
- Authority
- CN
- China
- Prior art keywords
- die
- boss
- station
- negative angle
- angle bending
- 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
- Press Drives And Press Lines (AREA)
Abstract
A hollow cover boss deep drawing negative angle bending progressive die comprises a boss deep drawing station and a negative angle bending station which are sequentially arranged, wherein a boss deep drawing device is arranged on the boss deep drawing station, and the device is used for simultaneously performing downward deep drawing and upward boss punching on a product; and a negative angle bending device is arranged on the negative angle bending station, and is used for bending the bent edge of the product at a negative angle. Use the utility model provides a boss of hollow lid product be difficult for the deep-drawing on the deep-drawing profile to and negative angle bending structure is complicated, and manufacturing cost is high, and is inefficient, the unstable problem of product angle of bending.
Description
Technical Field
The utility model relates to a mould processing technology field upgrades especially relates to a mould upgrades in bending of hollow lid boss deep-drawing negative angle.
Background
The progressive die is a relatively advanced die in the current-stage production and processing, combines a plurality of dies together to form a single-process die, thereby realizing the automatic production of various processes, having the advantages of good processing quality, high production efficiency and less operators, and being a great direction for the design and development of the current-stage die.
The hollow cover is a core part of the airbag assembly of several popular vehicle types at present, the structure of parts is complex, and the parts involve deep drawing, boss forming, negative angle bending and lateral notch punching. For the hollow cap product shown in fig. 1, not only the side punching but also five or more times of drawing forming are required for processing the drawing forming side punching part, the process is complex, and at present, the product is generally processed by a machining process.
The product structure has a reverse boss on the drawing molded surface and 4 bends larger than 90 degrees, and the product processing has the following difficulties: because the material can be hardened by drawing, if the boss is formed after drawing, the R-angle part of the boss can be sharply thinned and even cracked; if the boss is firstly punched and then the drawing is carried out, the phenomenon of material pulling is generated in the drawing process, and finally the drawing of the product is irregular. The traditional mould can fold a product into 90 degrees firstly, then fold the product into a required negative angle by a complex side-pushing structure, but the side-pushing process is complex, the cost is high, and the finally folded angle is unstable.
In view of this, how to invent a hollow cover boss deep drawing negative angle bending progressive die capable of automatically completing stamping, deep drawing forming, boss punching and negative angle bending becomes a problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hollow lid boss deep-drawing negative angle progressive die that bends solves the boss of hollow lid product and is difficult for the deep-drawing on the deep-drawing profile to and negative angle bending structure is complicated, and manufacturing cost is high, and is inefficient, the unstable problem of product angle of bending.
The utility model provides a technical scheme that its technical problem adopted is:
a hollow cover boss deep drawing negative angle bending progressive die comprises a boss deep drawing station and a negative angle bending station which are sequentially arranged, wherein a boss deep drawing device is arranged on the boss deep drawing station; a negative angle bending device is arranged on the negative angle bending station;
the boss drawing device comprises a boss drawing upper die and a boss drawing lower die, wherein the boss drawing upper die comprises a first upper die base, a first upper base plate and a first upper fixing plate which are sequentially overlapped and fixed on the first upper die base;
the boss drawing upper die is provided with a first upper die unloading structure, and the first upper die unloading structure comprises a first stripper plate back plate and a first stripper plate; the boss drawing upper die is also provided with a first limiting hanging plate for limiting a first upper die unloading structure;
the boss drawing lower die comprises a first lower die holder, a first lower base plate, a first additional plate and a first concave die plate, wherein the first lower base plate, the first additional plate and the first concave die plate are sequentially fixed on the first lower die holder in an overlapping mode;
the boss deep drawing device is also provided with a boss deep drawing structure, and the boss deep drawing structure comprises a deep drawing male die which is fixedly arranged on a boss deep drawing upper die and penetrates through a first upper die unloading structure, a deep drawing female die which is fixedly arranged in a first female die plate and is matched with the outer diameter of a product, a first resetting and leveling device which is arranged in the first female die plate, and a boss punching male die which is fixedly arranged in a boss deep drawing lower die and penetrates through the first resetting and leveling device; the deep drawing male die is adaptive to the inner diameter of a product and the outer diameter of a boss on the product; the boss punching die is matched with the inner diameter of a boss on a product;
the negative angle bending device comprises a convex negative angle bending upper die and a negative angle bending lower die, wherein the convex negative angle bending upper die comprises a second upper die base, and a second upper base plate and a second upper fixing plate which are sequentially overlapped and fixed on the second upper die base;
the convex negative angle bending upper die is provided with a second upper die unloading structure, the second upper die unloading structure comprises a second stripper plate back plate and a second stripper plate, and the convex negative angle bending upper die is also provided with a second limiting hanging plate for limiting the second upper die unloading structure;
the negative angle bending lower die comprises a second lower die base, and a second lower base plate, a second additional plate and a second concave die plate which are sequentially fixed on the second lower die base in a superposed manner;
the negative angle bending device is also provided with a negative angle bending structure, and the negative angle bending structure comprises a guide device fixedly arranged in the second upper die unloading structure, a negative angle bending upper male die fixedly arranged on the negative angle bending upper die and penetrating through the guide device, a positioning lower female die fixedly arranged in a second female die plate, and a second reset shaping device arranged in the positioning lower female die; the guide device is matched with the inner diameter of the hollow cap product; the negative angle bending upper male die is provided with an inclined plane matched with a negative angle bending edge of a product; the lower positioning concave die is matched with the outer diameter of a product.
Furthermore, a first upper elastic structure for pushing open a first upper die unloading structure is arranged in the boss drawing upper die, and the first upper elastic structure comprises a first plug screw fixedly arranged in a first upper die base, a first spring arranged below the first plug screw and a first upper ejector rod.
Furthermore, a second lower elastic structure used for pushing a product upwards is further arranged in the boss drawing lower die, and the second lower elastic structure comprises a second spring arranged in the first lower die holder and a second lower ejector rod arranged on the second spring; the first reset leveling device is arranged above the second lower ejector rod.
Furthermore, a third upper elastic structure for pushing the second upper die unloading structure away is arranged in the negative-angle bending upper die, and the third upper elastic structure comprises a third plug screw fixedly arranged in the second upper die base, a third spring arranged below the third plug screw and a third upper ejector rod.
Furthermore, a fourth upper elastic structure for pushing the product away from the upper side is further arranged in the second upper die unloading structure, and the fourth upper elastic structure comprises a fourth spring arranged in the guide device and a fourth upper ejector rod arranged below the fourth spring.
Furthermore, a fifth lower elastic structure for pushing the hollow cover product away from the lower part is arranged in the negative-angle bending lower die, and the fifth lower elastic structure comprises a fifth spring fixedly arranged in a second lower die seat and a fifth lower ejector rod arranged on the fifth spring; and the second reset reshaping device is arranged above the fifth lower ejector rod.
Furthermore, a sixth lower elastic structure for pushing the second upper die unloading structure open is further arranged in the negative-angle bending lower die, and the sixth lower elastic structure comprises a nitrogen spring arranged in the second lower die base and a sixth lower ejector rod arranged on the nitrogen spring.
Further, the hollow cover boss drawing negative angle bending progressive die further comprises the following forming stations: the device comprises a pilot hole punching station, a process hole punching station, a secondary boss drawing station, a boss drawing and shaping station, a punching station, a bending station, a material belt product separating station and a waste cutting station which are sequentially arranged; the device is characterized in that the positive hole punching station and the process hole punching station are arranged before the boss drawing station, the secondary boss drawing station, the boss drawing and shaping station, the punching station and the bending station are arranged between the boss drawing station and the negative angle bending station, and the material belt product separating station and the waste cutting station are arranged behind the negative angle bending station.
Furthermore, a plurality of idle stations for improving the strength of the die parts are arranged between the forming stations.
The utility model has the advantages that: the utility model combines the boss drawing forming die and the punching negative angle bending die, compared with the traditional mode of processing the parts step by step through a plurality of sets of dies, the precision error caused by moving the workpiece blank between different stations is avoided, therefore, the processing precision is higher, the quality stability is better, the operation is more convenient, and the safety is high; the processing efficiency is greatly improved, and the requirement of mass production can be met; meanwhile, the labor cost and the material cost are also greatly reduced.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a perspective view of a hollow cap product according to the present invention.
Fig. 2 is a layout drawing of the mold design in the present invention.
Fig. 3 is the structure schematic diagram of the utility model when the boss deep-drawing device of the hollow cover boss deep-drawing negative angle bending progressive die is opened.
Fig. 4 is the structure schematic diagram of the utility model when the boss drawing device of the hollow cover boss drawing negative angle bending progressive die is closed.
Fig. 5 is the structure schematic diagram of the utility model when the negative angle bending device of the hollow cover boss deep-drawing negative angle bending progressive die is opened.
Fig. 6 is a schematic structural view of the negative angle bending device of the hollow cover boss drawing negative angle bending progressive die when closed.
Detailed Description
A hollow cover boss drawing negative angle bending progressive die is shown in figure 2, and the structure of the progressive die is divided into 20 stations from g1 to g 20. A plurality of idle stations are arranged among the 20 stations, the main purpose is to improve the strength of the die parts, provide enough space positions for the design of the die parts of each station, and facilitate the replacement of the quick-wear parts of the die and the maintenance of the die. According to the feeding direction from front to back, a g1 pilot hole station is used for punching pilot holes on the material belt, high-precision positioning is provided for each subsequent forming station, and partial process holes are punched at the same time; the stations g 2-g 4 are process hole punching stations and are used for punching other process cuts on the material belt; the g5 station is an empty station; the g6 station is a boss deep drawing station; the stations g7 and g8 are empty stations; the g9 station is a secondary boss drawing station, and is used for performing secondary drawing on a product in order to avoid cracking of the product caused by primary drawing; the g10 station is an empty station; the g11 station is a boss deep drawing shaping station; the stations g12 and g13 are empty stations; the g14 station is a punching station and is used for punching corresponding holes on a product blank formed by the deep drawing of the material belt; the g15 station is a bending station and is used for bending the punched product; the g16 station is an empty station; the g17 station is a negative angle bending station; the g18 station is an empty station; the g19 station is a material belt product separation station; the g20 station is a scrap cutting station. The continuous punch forming of the whole product is completed through the above 20 stations. The utility model discloses the key point of description is at g6 boss deep-drawing station, the station of bending of g17 negative angle, and all the other settings are the empty station of technology for the shaping product sets up, or assistance-localization real-time or simply bend etc. and do not explain here in detail one by one.
The utility model provides a hollow cover boss deep drawing negative angle bending progressive die, which mainly comprises a boss deep drawing station and a negative angle bending station which are arranged in sequence, wherein the boss deep drawing station is provided with a boss deep drawing device, the device is used for simultaneously carrying out downward deep drawing and upward boss punching on a product, and the CAE precision analysis is carried out on the deep drawing coefficient so as to ensure the feasibility of deep drawing; the negative angle bending station is provided with a negative angle bending device, and the device is used for bending the bending edge of the product at a negative angle;
the boss drawing device comprises a boss drawing upper die 70 and a boss drawing lower die 75, wherein the boss drawing upper die 70 comprises a first upper die holder 701, a first upper base plate 702 and a first upper fixing plate 703 which are sequentially overlapped and fixed on the first upper die holder 701;
the boss drawing upper die 70 is provided with a first upper die unloading structure 71, and the first upper die unloading structure 71 comprises a first stripper plate back plate 711 and a first stripper plate 712; the boss drawing upper die 70 is also provided with a first limiting hanging plate 704 for limiting the first upper die unloading structure 71, and the first limiting hanging plate 704 is used for controlling the stroke of the first upper die unloading structure 71 and hanging the first upper die unloading structure 71 to prevent the first upper die unloading structure 71 from falling;
the boss drawing lower die 75 comprises a first lower die holder 754, a first lower backing plate 753, a first additional plate 752 and a first concave die plate 751, wherein the first lower backing plate 753, the first additional plate 752 and the first concave die plate 751 are sequentially fixed on the first lower die holder 754 in an overlapping mode;
the boss deep drawing device is also provided with a boss deep drawing structure 74, wherein the boss deep drawing structure 74 comprises a deep drawing male die 741 which is fixedly arranged on the boss deep drawing upper die 70 and penetrates through the first upper die unloading structure 71, a deep drawing female die 742 which is fixedly arranged in a first female die plate 751 and is adaptive to the outer diameter of a hollow cover product, a first resetting and leveling device 743 which is arranged in the first female die plate 751, and a boss punching male die 744 which is fixedly arranged in the boss deep drawing lower die 75 and penetrates through the first resetting and leveling device 743; the deep drawing male die 741 is adaptive to the inner diameter of the hollow cover product and the outer diameter of a boss on the hollow cover product; the boss punching convex mold 744 is matched with the inner diameter of a boss on the hollow cover product;
the negative angle bending device comprises a negative angle bending upper die 80 and a negative angle bending lower die 82, wherein the negative angle bending upper die 80 comprises a second upper die holder 801, a second upper backing plate 802 and a second upper fixing plate 803 which are sequentially fixed on the second upper die holder 801 in an overlapping manner;
the convex negative angle bending upper die 80 is provided with a second upper die unloading structure 81, the second upper die unloading structure 81 comprises a second unloading plate back plate 811 and a second unloading plate 812, and the negative angle bending upper die 80 is also provided with a second limiting hanging plate 804 for limiting the second upper die unloading structure 81, so that the stroke of the second upper die unloading structure 81 is controlled, and the second upper die unloading structure 81 is hung to prevent the second upper die unloading structure 81 from falling;
the negative angle bending lower die 82 comprises a second lower die base 824, and a second lower cushion plate 823, a second additional plate 822 and a second concave die plate 821 which are sequentially fixed on the second lower die base 824 in an overlapping manner;
the negative angle bending device is also provided with a negative angle bending structure 87, the negative angle bending structure 87 comprises a guide device 871 fixedly arranged in the second upper die unloading structure 81, a negative angle bending upper male die 872 fixedly arranged on the negative angle bending upper die 80 and penetrating through the guide device 871, a positioning lower female die 873 fixedly arranged in the second female die plate 821, and a second reset shaping device 874 arranged in the positioning lower female die 873; the guide 871 adapts to the inner diameter of the hollow cap product; an inclined plane adapted to the negative-angle bent edge of the hollow cap product is arranged on the negative-angle bent upper male die 872; the lower positioning concave die 873 is adapted to the outer diameter of the hollow cap product.
The boss drawing upper die 70 is provided with a first upper elastic structure 73 for pushing open a first upper die unloading structure 71, and the first upper elastic structure 73 comprises a first plug screw 731 fixedly arranged in the first upper die base 701, a first spring 732 arranged below the first plug screw 731 and a first upper ejector rod 733.
The boss drawing lower die 75 is further provided with a second lower elastic structure 72 for pushing out the hollow cap product upwards, and the second lower elastic structure 72 comprises a second spring 722 arranged in a first lower die holder 754 and a second lower ejector pin 721 arranged on the second spring 722; the first resetting and leveling device 743 is arranged above the second lower mandril 721.
The negative angle bending upper die 80 is provided with a third upper elastic structure 83 for pushing the second upper die unloading structure 81 open, and the third upper elastic structure 83 comprises a third plug screw 831 fixedly arranged in the second upper die base 801, a third spring 832 arranged below the third plug screw 831 and a third upper ejector rod 833.
A fourth upper elastic structure 84 for pushing the hollow cap product from above is further arranged in the second upper die discharging structure 81, and the fourth upper elastic structure 84 comprises a fourth spring 841 arranged in the guide device 871 and a fourth upper ejector 842 arranged below the fourth spring 841.
A fifth lower elastic structure 85 for pushing the hollow cap product away from the lower part is arranged in the negative angle bending lower die 82, and the fifth lower elastic structure 85 comprises a fifth spring 852 fixedly arranged in the second lower die seat 824 and a fifth lower ejector rod 851 arranged on the fifth spring 852; the second reset reshaping means 874 is disposed above the fifth lower mandril 851.
The negative angle bending lower die 82 is further provided with a sixth lower elastic structure 86 for pushing the second upper die unloading structure 81 open, and the sixth lower elastic structure 86 comprises a nitrogen spring 862 arranged in the second lower die base 824 and a sixth lower ejector rod 861 arranged on the nitrogen spring 862.
In addition, the hollow cover boss drawing negative angle bending progressive die further comprises the following forming stations: the device comprises a pilot hole punching station, a process hole punching station, a secondary boss drawing station, a boss drawing and shaping station, a punching station, a bending station, a material belt product separating station and a waste cutting station which are sequentially arranged; the device is characterized in that the positive hole punching station and the process hole punching station are arranged before the boss drawing station, the secondary boss drawing station, the boss drawing and shaping station, the punching station and the bending station are arranged between the boss drawing station and the negative angle bending station, and the material belt product separating station and the waste cutting station are arranged behind the negative angle bending station. And a plurality of idle stations for improving the strength of the die parts are arranged among the forming stations.
As shown in fig. 3, when the punch presses the upper die 70 to move upward to the vertex, the feeder sends the product completed in the previous step to the first cavity plate 751 according to the material supporting belt, and then the punch presses the upper die 70 to close the die downward, and during the closing process, the first discharging plate 712 of the first upper die discharging structure 71 contacts with the product first, and the product is preliminarily pressed into the drawing cavity 741; when the first stripper plate 712 contacts with the first cavity plate 751, because the elastic force of the first elastic spring 732 is set to be greater than the elastic force of the second spring 722, the second lower elastic structure 72 is forced to retract first, then the first upper elastic structure 73 is also forced to retract, the first upper fixing plate 703 and the first stripper plate 711 are closed, at this time, the drawing punch 741 enters the drawing die 742 to draw the product downward, and meanwhile, the boss-punching punch 744 also punches corresponding bosses on the profile of the product; and as shown in fig. 4, when the punch press runs to the limit, the downward drawing and the boss punching of the product are finished at the same time.
After the downward drawing and the convex forming of the product are finished, the punch press drives the upper die 70 to move upwards, the first upper elastic structure 73 pushes the first upper die unloading structure 71 open first, so that the product is unloaded from the upper die 742; the second lower resilient structure 72 then acts on the first reset form 743 to push the product upward to strip the product from the lower mold. As described above, the dies are opened and closed back and forth, one product punch at a time.
As shown in fig. 5, when the punch press drives the negative angle bending upper die 80 to move upward to the vertex, the feeder feeds the product completed in the previous step onto the second cavity plate 821 according to the material supporting belt, and the punch press drives the negative angle bending upper die 80 to close the mold downward. In the downward closing process, the guide device 871 firstly contacts with the product, the product is preliminarily pressed into the lower positioning concave die 873 and positioned, and the second reset shaping device 874 and the fifth lower elastic structure 85 are forced to retreat because the elastic force of the third spring 832 is greater than that of the fifth spring 852; then, because the elasticity of the nitrogen spring 862 in the sixth lower elastic structure 86 is much larger than that of the third spring 832 in the third upper elastic structure 83, the second upper fixing plate 803 is forced to be closed with the second discharging plate back plate 811, and when the second discharging plate 812 contacts the second cavity plate 821, the bending upper male die 872 enters the positioning lower female die 873 to bend the bending edge of the product at a negative angle; and as shown in fig. 6, when the punch press runs to the limit, the negative angle bending of the product is completed at the same time.
After the negative angle bending of the product is finished, the punch press drives the negative angle bending upper die 80 to move upwards, and the third upper elastic structure 83 pushes away the second stripper back plate 811, so that the bending upper male die 872 retreats from the negative angle bending edge; the fourth upper resilient structure 84 then pushes the product downwardly, allowing the product to be ejected from the upper die. Finally, the fifth lower elastic structure 85 acts on the second reset reshaping device 874 to push the product upwards, so that the product is stripped from the lower die; as described above, the dies are opened and closed back and forth, one product punch at a time.
The utility model discloses the negative angle of hollow cover boss deep-drawing is bent and is upgraded the mould, because of the particularity and the complexity of structure, the design degree of difficulty is great. However if adopt many sets of moulds to process the mode of hollow lid step by step, though can reach the product size requirement, but the work piece blank moves between different stations and can produce the precision error, and operating personnel long-time repeated labor also can be tired out, and efficiency is very low and can't satisfy mass production demand, with the utility model discloses compare, no matter the cost of labor or material all can greatly increased.
It is explained that needs to supply, general product adopt ordinary blanking method can accomplish processing, nevertheless the utility model discloses in hollow lid, its product appearance has very strict requirement, adopts the product that casting technology processing was accomplished alone, the outward appearance can not reach the requirement completely, and adopts the utility model discloses the product of processing completion, the smooth no burr in surface, the appearance effect is fine.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited to the above embodiments, and various modifications made by the method concept and technical solution of the present invention or those directly applied to other applications without modification fall within the protection scope of the present invention.
Claims (9)
1. A hollow cover boss deep drawing negative angle bending progressive die is characterized by comprising a boss deep drawing station and a negative angle bending station which are sequentially arranged, wherein a boss deep drawing device is arranged on the boss deep drawing station; a negative angle bending device is arranged on the negative angle bending station;
the boss drawing device comprises a boss drawing upper die (70) and a boss drawing lower die (75), wherein the boss drawing upper die (70) comprises a first upper die holder (701), and a first upper base plate (702) and a first upper fixing plate (703) which are sequentially overlapped and fixed on the first upper die holder (701);
a first upper die unloading structure (71) is arranged on the boss drawing upper die (70), and the first upper die unloading structure (71) comprises a first unloading plate back plate (711) and a first unloading plate (712); the boss drawing upper die (70) is also provided with a first limiting hanging plate (704) for limiting a first upper die unloading structure (71);
the boss drawing lower die (75) comprises a first lower die holder (754), a first lower backing plate (753), a first additional plate (752) and a first concave die plate (751), wherein the first lower backing plate (753), the first additional plate and the first concave die plate (751) are sequentially fixed on the first lower die holder (754) in an overlapping mode;
the boss deep drawing device is further provided with a boss deep drawing structure (74), the boss deep drawing structure (74) comprises a deep drawing male die (741) which is fixedly arranged on the boss deep drawing upper die (70) and penetrates through the first upper die unloading structure (71), a deep drawing female die (742) which is fixedly arranged in the first female die plate (751) and is adaptive to the outer diameter of a product, a first resetting and flattening device (743) which is arranged in the first female die plate (751), and a boss punching male die (744) which is fixedly arranged in the boss deep drawing lower die (75) and penetrates through the first resetting and flattening device (743); the deep drawing male die (741) is adaptive to the inner diameter of a product and the outer diameter of a boss on the product; the convex boss punching die (744) is matched with the inner diameter of a boss on a product;
the negative angle bending device comprises a convex negative angle bending upper die (80) and a negative angle bending lower die (82), wherein the convex negative angle bending upper die (80) comprises a second upper die holder (801), and a second upper base plate (802) and a second upper fixing plate (803) which are sequentially overlapped and fixed on the second upper die holder (801);
a second upper die unloading structure (81) is arranged on the convex negative angle bending upper die (80), the second upper die unloading structure (81) comprises a second unloading plate back plate (811) and a second unloading plate (812), and a second limiting hanging plate (804) for limiting the second upper die unloading structure (81) is further arranged on the convex negative angle bending upper die (80);
the negative angle bending lower die (82) comprises a second lower die base (824), and a second lower base plate (823), a second additional plate (822) and a second concave die plate (821) which are sequentially overlapped and fixed on the second lower die base (824);
the negative angle bending device is further provided with a negative angle bending structure (87), the negative angle bending structure (87) comprises a guide device (871) fixedly arranged in the second upper die unloading structure (81), a bending upper male die (872) fixedly arranged on the negative angle bending upper die (80) and penetrating through the guide device (871), a positioning lower female die (873) fixedly arranged in the second female die plate (821), and a second reset shaping device (874) arranged in the positioning lower female die (873); the guide device (871) is adapted to the inner diameter of the product; an inclined plane which is matched with the negative-angle bent edge of the hollow cap product is arranged on the negative-angle bent upper male die (872); the lower positioning concave die (873) is adaptive to the outer diameter of the product.
2. The hollow cover boss deep-drawing negative-angle bending progressive die as claimed in claim 1, wherein a first upper elastic structure (73) for pushing open a first upper die unloading structure (71) is arranged in the boss deep-drawing upper die (70), and the first upper elastic structure (73) comprises a first plug screw (731) fixedly arranged in a first upper die base (701), a first spring (732) arranged below the first plug screw (731) and a first upper ejector rod (733).
3. The hollow cover boss deep-drawing negative-angle bending progressive die as claimed in claim 1, wherein a second lower elastic structure (72) for pushing a product upwards is further arranged in the boss deep-drawing lower die (75), and the second lower elastic structure (72) comprises a second spring (722) arranged in a first lower die holder (754) and a second lower ejector rod (721) arranged on the second spring (722); the first resetting and leveling device (743) is arranged above the second lower mandril (721).
4. The hollow cover boss deep-drawing negative angle bending progressive die as claimed in claim 1, wherein a third upper elastic structure (83) for pushing open a second upper die unloading structure (81) is arranged in the negative angle bending upper die (80), and the third upper elastic structure (83) comprises a third plug screw (831) fixedly arranged in a second upper die base (801), a third spring (832) and a third upper ejector rod (833) which are arranged below the third plug screw (831).
5. The hollow cover boss deep-drawing negative angle bending progressive die as claimed in claim 1, wherein a fourth upper elastic structure (84) for pushing a product from above is further provided in the second upper die discharging structure (81), and the fourth upper elastic structure (84) comprises a fourth spring (841) arranged in a guide device (871) and a fourth upper ejector rod (842) arranged below the fourth spring (841).
6. The hollow cover boss deep-drawing negative-angle bending progressive die as claimed in claim 1, wherein a fifth lower elastic structure (85) for pushing a product away from below is arranged in the negative-angle bending lower die (82), and the fifth lower elastic structure (85) comprises a fifth spring (852) fixedly arranged in a second lower die holder (824) and a fifth lower ejector rod (851) arranged on the fifth spring (852); the second reset reshaping device (874) is arranged above the fifth lower ejector rod (851).
7. The hollow cover boss deep-drawing negative angle bending progressive die as claimed in claim 1, wherein a sixth lower elastic structure (86) for pushing open a second upper die unloading structure (81) is further arranged in the negative angle bending lower die (82), and the sixth lower elastic structure (86) comprises a nitrogen spring (862) arranged in a second lower die seat (824) and a sixth lower ejector rod (861) arranged on the nitrogen spring (862).
8. The negative angle progressive die for bending the hollow cover boss deep drawing according to claim 1, wherein the negative angle progressive die for bending the hollow cover boss deep drawing further comprises the following forming stations: the device comprises a pilot hole punching station, a process hole punching station, a secondary boss drawing station, a boss drawing and shaping station, a punching station, a bending station, a material belt product separating station and a waste cutting station which are sequentially arranged; the device is characterized in that the positive hole punching station and the process hole punching station are arranged before the boss drawing station, the secondary boss drawing station, the boss drawing and shaping station, the punching station and the bending station are arranged between the boss drawing station and the negative angle bending station, and the material belt product separating station and the waste cutting station are arranged behind the negative angle bending station.
9. The negative angle bending progressive die for hollow cover boss deep drawing of claim 8, wherein a plurality of idle stations for improving the strength of die parts are further arranged between the forming stations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021526121.7U CN213162704U (en) | 2020-07-29 | 2020-07-29 | Hollow lid boss deep-drawing negative angle progressive die that bends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021526121.7U CN213162704U (en) | 2020-07-29 | 2020-07-29 | Hollow lid boss deep-drawing negative angle progressive die that bends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213162704U true CN213162704U (en) | 2021-05-11 |
Family
ID=75796504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021526121.7U Active CN213162704U (en) | 2020-07-29 | 2020-07-29 | Hollow lid boss deep-drawing negative angle progressive die that bends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213162704U (en) |
-
2020
- 2020-07-29 CN CN202021526121.7U patent/CN213162704U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104190815A (en) | Forming die and method for fireproof hood | |
| CN106111799B (en) | A kind of automobile back lock support progressive die | |
| CN206373230U (en) | A kind of mobile fingerprint decoration diel | |
| CN213162704U (en) | Hollow lid boss deep-drawing negative angle progressive die that bends | |
| CN102009101A (en) | Side hole forming and deep drawing type progressive die | |
| CN212598294U (en) | Complicated one shot forming class progressive die of bending | |
| CN111036768A (en) | Lamp ring forming die, equipment and forming method thereof | |
| CN208146722U (en) | A kind of ear cap punching press side-cutting die | |
| CN215279479U (en) | Double-bending progressive die for high-strength steel plate | |
| CN214768293U (en) | Multi-step continuous stamping die for rolled products | |
| CN215544205U (en) | Microcrystal chip shielding cover closed side forming die | |
| CN212216792U (en) | Lamp ring forming die and equipment thereof | |
| CN210450557U (en) | Pipe fitting thinning and stretching type progressive die | |
| CN213223960U (en) | Spoke forming die | |
| CN218475874U (en) | Precision folding semicircle application progressive die | |
| CN213350437U (en) | Punching and riveting integrated die | |
| CN218475873U (en) | Cover body flanging and discharging device | |
| CN109351863B (en) | Automobile driving rear axle brake dust cover composite die and composite process | |
| CN219703231U (en) | Continuous stamping die of secondary drawing | |
| CN213162703U (en) | Bidirectional stretching type progressive die for thin materials | |
| CN215279408U (en) | Floating type cutting and blanking device for rolling circles | |
| CN219520295U (en) | Double-deck knockout hole mould mechanism | |
| CN216606895U (en) | Copper deep counter bore cold extrusion blanking bending type progressive die | |
| CN218049912U (en) | Adjustable high-precision progressive die for forming buckle framework | |
| CN221515825U (en) | Continuous processing die for stamping, flanging and hole flanging of mounting bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |