CN220717494U - Sheet metal part leveling die structure - Google Patents

Abstract

The utility model provides a sheet metal component die structure of clapping, includes upper die subassembly and lower die subassembly that corresponds from top to bottom, lower die subassembly includes the lower bolster, sets up clapping die on the lower bolster, can upper and lower activity set up on the lower bolster and be used for compressing tightly the lower flitch of sheet metal component, lower flitch sets up in the outside of clapping die, be equipped with the direction fillet that is used for leading the clapping limit of sheet metal component on the clapping die, upper die subassembly includes the cope match-plate pattern, sets up the clapping terrace die on the cope match-plate pattern. The utility model provides a sheet metal part leveling die structure, which can avoid the phenomenon that the leveling edge of a sheet metal part is open outwards or R-angle cracking, improve the yield of the leveling edge of the processed sheet metal part and ensure the product quality of the sheet metal part.

Description

Sheet metal part leveling die structure

Technical Field

The utility model belongs to the technical field of sheet metal part stamping dies, and particularly relates to a sheet metal part leveling die structure.

Background

Referring to fig. 1, the product shown in the drawing is a sheet metal part, the front side part of the sheet metal part is turned upwards to form a clapping edge of the sheet metal part, the rear side part of the sheet metal part is turned upwards to form a bending part of the sheet metal part, three punching holes are formed in the bending part of the sheet metal part and are distributed at intervals along the length direction of the bending part of the sheet metal part, the bending part of the sheet metal part is turned forwards to form a flanging, and referring to fig. 2, after stamping processing of a stamping clapping die, the clapping edge of the sheet metal part is clapped.

The problem lies in that the stamping clapping die that is currently in use has certain requirement to the clapping edge of sheet metal component, specifically speaking, the width requirement of the clapping edge of sheet metal component is between 3mm to 5mm, the interior R angle and the outer R angle of the clapping edge of sheet metal component are greater than R4, when the clapping edge of sheet metal component is less than 3mm, the stamping clapping die can't clap the clapping edge of sheet metal component when the stamping, the phenomenon of valgus appears easily to the clapping edge that leads to the sheet metal component, thereby make the clapping edge of sheet metal component produce the phenomenon of opening outward, or when the interior R angle and the outer R angle of the clapping edge of sheet metal component are less than R4, or when the clapping edge of sheet metal component is less than or equal to 3mm, the clapping edge of sheet metal component appears the phenomenon of cracking easily, the phenomenon of the finished product that has the clapping edge of sheet metal component appears or the clapping edge of sheet metal component produces the phenomenon of further, the phenomenon of working flat product that the sheet metal component is further influenced by the crack.

Therefore, further improvements are needed.

Disclosure of Invention

The utility model aims to at least overcome one of the defects in the prior art, and provides a sheet metal part flattening die structure, which can avoid the phenomenon that the flattening edge of the sheet metal part is open outwards or the R angle is cracked, improve the yield of the flattening edge of the processed sheet metal part and ensure the product quality of the sheet metal part.

In order to achieve the above purpose, the technical scheme provided by the embodiment of the utility model is as follows:

the utility model provides a sheet metal component die structure of clapping, includes upper die subassembly and the lower die subassembly that corresponds from top to bottom, lower die subassembly includes the lower bolster, sets up clapping die on the lower bolster, can upper and lower activity set up on the lower bolster and be used for compressing tightly the lower pressure flitch of sheet metal component, lower pressure flitch sets up in the outside of clapping die, be equipped with the direction fillet that is used for leading the clapping limit of sheet metal component on the clapping die, upper die subassembly includes the cope match-plate pattern, sets up the terrace die of clapping on the cope match-plate pattern, clapping die cooperates and acts on the clapping limit of sheet metal component and clapping the clapping limit of sheet metal component.

The guide fillet is positioned at the joint of the side wall of the leveling female die and the bottom surface of the leveling female die, and the radius of the guide fillet is A, R1 is more than A and less than R2.

The utility model discloses a die, including the die, the die is fixed on the die plate, beat flat die fixed mounting is on the lower bolster, be equipped with sliding structure between die and the lower flitch, sliding structure is including setting up spout on the die that beats flat, and set up the slide rail on the lower flitch, the spout extends along the direction of height of die down and sets up, the slide rail extends along the direction of height of flitch down, the slide rail inserts in the spout and slides along the length direction of spout, makes down the flitch slide about the die that beats, beat flat die includes middle die, and sets up the side die in the left and right sides of middle die, be equipped with on the side die and be used for the fixed first locating part of sheet metal component location and be used for the side die location, first locating part fixed mounting is on the top surface of side die, first locating part demountable installation is on the bottom surface of side die.

The lower pressing plate comprises a first plate part, a second plate part and a third plate part, the leveling female die is located at the front side part of the first plate part, the second plate part is located at the rear side part of the first plate part, the third plate part is located at the rear side part of the second plate part, a containing groove used for extending in a flanging of a bending part of the sheet metal part and a containing hole used for extending in a punching hole of the bending part of the sheet metal part are formed in the rear side part of the third plate part, the containing groove extends along the length of the third plate part, and the containing hole corresponds to the punching hole of the bending part of the sheet metal part.

The first inclined plane is arranged on the second plate part, the second inclined plane corresponding to the first inclined plane is arranged on the third plate part, a mounting structure is arranged between the first inclined plane and the second inclined plane, the mounting structure comprises a mounting groove arranged on the first inclined plane and a mounting convex part arranged on the second inclined plane, and the mounting convex part is inserted into the mounting groove from bottom to top, so that the second plate part and the third plate part are connected with each other.

And a second fixing part is further arranged between the second plate part and the third plate part to limit the third plate part to move left and right relative to the second plate part, and the number of the second fixing parts is a plurality of and the second fixing parts are distributed at intervals along the length direction of the lower pressing plate.

The lower die plate is characterized in that a guide structure for guiding the lower pressing plate to move is further arranged between the lower die plate and the lower pressing plate, the guide structure comprises a guide part arranged on the lower die plate and a guide groove arranged on the lower pressing plate and corresponding to the guide part, and the guide part is arranged on the left side and the right side of the lower pressing plate.

The slapping male die comprises an upper pressing plate and a male die insert, wherein the upper pressing plate is matched with the lower pressing plate, the male die insert is arranged on the upper pressing plate and matched with the slapping female die, an insert mounting part for mounting the male die insert is arranged on the front side of the bottom surface of the upper pressing plate, and the male die insert is fixedly mounted on the insert mounting part.

The upper die assembly further comprises an upper base plate arranged between the upper die plate and the flattening male die, an upper supporting plate arranged at the top of the upper die plate and an upper die top plate arranged on the upper supporting plate, the lower die assembly further comprises a lower base plate arranged between the lower die plate and the flattening female die and a lower pressing plate, a lower supporting plate arranged at the bottom of the lower die plate and a lower die bottom plate arranged at the bottom of the lower supporting plate, a guide assembly and a buffer component are further arranged between the upper die assembly and the lower die assembly, and the guide assembly comprises a guide post arranged on one of the upper die plate and the lower die plate and a guide sleeve arranged on the other of the upper die plate and the lower die plate, and the buffer component is arranged on the upper die plate and/or the lower die plate.

The upper backing plate is provided with a compressing block for compressing the bending part of the sheet metal part on the rear side part of the lower pressing plate, the compressing block is fixedly arranged on the bottom surface of the upper backing plate and positioned on the rear side of the flattening male die, a reset part is arranged between the lower pressing plate and the lower die plate so as to enable the lower pressing plate to reset upwards, the reset part is arranged on the lower die plate, and the movable end of the reset part penetrates through the lower backing plate and abuts against the bottom surface of the lower pressing plate.

The beneficial effects of the utility model are as follows:

according to the utility model, the guide fillets are arranged on the leveling female die, the leveling male die moves downwards and is matched with the leveling female die, so that the leveling edge of the sheet metal part is folded along the guide fillets towards the inner side direction of the sheet metal part, the phenomenon that the leveling edge of the sheet metal part cannot be leveled when the leveling die is used for stamping is avoided, the phenomenon that the leveling edge of the sheet metal part is outward turned to cause an outward opening is reduced, the leveling male die continues to move downwards to level the leveling edge of the sheet metal part, and because the guide fillets enable a space for accommodating the R angle of the leveling edge of the sheet metal part to be arranged between the leveling male die and the leveling female die when the die is matched, the R angle of the leveling edge of the sheet metal part can be maintained within a proper radius value, the cracking phenomenon of the R angle of the leveling edge of the sheet metal part is reduced, the yield of the leveling edge of the sheet metal part is improved to a certain extent, the processed sheet metal part is more attractive, the service performance is more reliable, and the product quality of the sheet metal part is ensured.

Drawings

Fig. 1 is a schematic view of a sheet metal part according to an embodiment of the present utility model before being processed.

Fig. 2 is a schematic structural diagram of a sheet metal part according to an embodiment of the utility model after processing.

Fig. 3 is an exploded view of a clapping die in accordance with an embodiment of the present utility model.

Fig. 4 is an exploded view of a clapping die in accordance with an embodiment of the present utility model.

Fig. 5 is a cross-sectional view of a slapping mold in accordance with an embodiment of the present utility model.

Fig. 6 is an enlarged view of a portion B of fig. 5.

Fig. 7 is a cross-sectional view of a slapping mold in accordance with an embodiment of the present utility model.

Fig. 8 is an enlarged view of a portion C of fig. 7.

Fig. 9 is an exploded view of a clapping die and a lower stripper plate according to an embodiment of the present utility model.

FIG. 10 is an exploded view of a clapping die and a lower stripper plate according to one embodiment of the present utility model.

Figure 11 is an exploded view of a clapping male die in accordance with an embodiment of the present utility model.

FIG. 12 is an exploded view of an upper plate according to an embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

Referring to fig. 1-12, the sheet metal part leveling die structure comprises an upper die assembly, a lower die assembly, a guide assembly and a buffer part 5, wherein the upper die assembly corresponds to the lower die assembly up and down, the guide assembly comprises a guide post 601 arranged on one of an upper die plate 201 and a lower die plate 101 and a guide sleeve 602 arranged on the other of the upper die plate 201 and the lower die plate 101, the buffer part 5 is arranged on the upper die plate 201 and/or the lower die plate 101, in the embodiment, the number of the guide posts 601 is preferably four groups and is arranged on the upper die plate 201, the number of the guide sleeves 602 corresponds to the guide post 601 and is preferably four groups and is arranged on the lower die plate 101, the buffer part 5 is respectively arranged on the upper die plate 201 and the lower die plate 101, the buffer part 5 of the upper die plate 201 corresponds to the buffer part 5 of the lower die plate 101, the lower die assembly comprises a lower die plate 101, a leveling female die 102 arranged on the lower die plate 101, a lower pressing plate 103 which can be movably arranged on the lower die plate 101 up and down and is used for pressing a sheet metal part 3, a lower backing plate 104 arranged between the lower die plate 101 and the leveling female die 102 and between the lower pressing plate 103, a lower supporting plate 105 arranged at the bottom of the lower die plate 101, a lower die bottom plate 106 arranged at the bottom of the lower supporting plate 105, wherein the lower pressing plate 103 is arranged at the outer side of the leveling female die 102, a guiding round corner 1021 for guiding the leveling edge 301 of the sheet metal part 3 is arranged on the leveling female die 102, the guiding round corner 1021 is positioned at the joint of the side wall of the leveling female die 102 and the bottom surface of the leveling female die 102, the radius of the guiding round corner 1021 is A, R1 is less than A less than R2, A is preferably R1.5, the quantity of the lower supporting plates 105 is preferably five groups and is arranged at intervals along the length direction of the lower die assembly, the upper die assembly comprises an upper die 201, a leveling male die 202 arranged on the upper die 201 and an upper die 203 arranged between the upper backing plate 201 and the leveling plate 202, and the leveling die 1021, and the upper die 203 is arranged between the upper die and the leveling die 103 The upper supporting plate 204 arranged at the top of the upper template 201 and the upper die top plate 205 arranged on the upper supporting plate 204 are arranged in the embodiment, the number of the upper supporting plates 204 is preferably six, and the upper supporting plates are distributed along the length direction of the upper die assembly at intervals, when the upper die assembly and the lower die assembly are matched with each other, the clapping male die 202 is matched with the clapping female die 102 and acts on the clapping edge 301 of the sheet metal part 3, the clapping male die 301 of the sheet metal part 3 is clapped, specifically, when the clapping male die 202 moves downwards and is matched with the clapping female die 102, the clapping edge 301 of the sheet metal part 3 is folded along the direction of a guiding fillet 1021 to enable the clapping edge 301 of the sheet metal part 3 to be folded down, the clapping male die 301 of the sheet metal part 3 is enabled to be folded down along the inner side direction of the sheet metal part 3 through the guiding fillet arranged on the clapping female die 102, the clapping male die 301 can not be folded down to the clapping edge 301 of the sheet metal part 3 during punching, the clapping phenomenon that the clapping edge 301 of the sheet metal part 3 is outwards turned over to be caused is reduced, the clapping edge 301 of the clapping male die is enabled to be enabled to occur, when the clapping male die 202 is enabled to move downwards and the clapping edge 301 is enabled to have a certain number of the clapping edge 301, the R3 can be kept to be folded along the inner direction of the guiding fillet 301, and the metal part 3 can be better, the quality can be kept to be better, and the quality can be better kept a certain quality, and the quality can be kept better, and the quality can be kept well when the R and the quality can be folded.

Further, the clapping die 102 is fixedly mounted on the lower die plate 101, a sliding structure is arranged between the clapping die 102 and the lower pressing plate 103, in this embodiment, the sliding structure includes a sliding groove 1022 arranged on the clapping die 102 and a sliding rail 1031 arranged on the lower pressing plate 103, the sliding groove 1022 extends along the height direction of the clapping die 102, the sliding rail 1031 extends along the height direction of the lower pressing plate 103, the sliding rail 1031 is inserted into the sliding groove 1022 and slides along the length direction of the sliding groove 1022, so that the lower pressing plate 103 slides up and down relative to the clapping die 102, as a simple replacement of the same technical scheme, the sliding groove 1022 can be arranged on the lower pressing plate 103, and the sliding rail 1031 can be arranged on the clapping die 102, which is well understood by those skilled in the art.

In this embodiment, the clapping female die 102 includes a middle female die 1023 and side female dies 1024 disposed on the left and right sides of the middle female die 1023, and the middle female die 1023 and the side female dies 1024 are processed respectively, and then combined to form an integral clapping female die 102, so that the processing difficulty of the clapping female die 102 is reduced, the middle female die 1023 or the side female dies 1024 can be maintained and replaced, the convenience and economy of maintaining the clapping female die 102 are improved, the side female dies 1024 are provided with a first positioning component 1025 for positioning the sheet metal part 3 and a first fixing component 1026 for positioning and fixing the side female dies 1024, the first positioning component 1025 is preferably a positioning pin with a square horizontal section, and is fixedly mounted on the top surface of the side female dies 1024, the cast a sidelong glance is preferably a bolt with a square horizontal section, and is detachably inserted on the bottom surface of the side female dies 1024, and can be understood by those skilled in the art.

Further, the lower pressing plate 103 includes a first plate portion 103A, a second plate portion 103B, and a third plate portion 103C, the leveling die 102 is located at a front side portion of the first plate portion 103A, the second plate portion 103B is located at a rear side portion of the first plate portion 103A, and the third plate portion 103C is located at a rear side portion of the second plate portion 103B, and the first plate portion 103A, the second plate portion 103B, and the third plate portion 103C are processed respectively, and then are combined to form an integral lower pressing plate 103, so that processing difficulty of the lower pressing plate 103 is reduced, weight of the lower pressing plate 103 can be distributed to the first plate portion 103A, the second plate portion 103B, and the third plate portion 103C, installation and detachment of the lower pressing plate 103 are facilitated, maintenance and replacement of the first plate portion 103A, the second plate portion 103B, and the third plate portion 103C can be performed, and convenience and economical efficiency of maintenance of the lower pressing plate 103 are improved.

In this embodiment, the rear side portion of the third plate portion 103C is provided with a receiving groove 1032 for the flange 303 of the bending portion 302 of the sheet metal part 3 to extend into, and a receiving hole 1033 for the punched hole 304 of the bending portion 302 of the sheet metal part 3 to extend into, the receiving groove 1032 and the receiving hole 1033 are formed by machining the third plate portion 103C, the receiving groove 1032 extends along the length of the third plate portion 103C, the receiving hole 1033 corresponds to the punched hole 304 of the bending portion 302 of the sheet metal part 3, the flange 303 of the bending portion 302 of the sheet metal part 3 extends into the receiving groove 1032, and the punched hole 304 of the bending portion 302 of the sheet metal part 3 is aligned with the receiving hole 1033 and extends into the receiving hole 1033, so that the sheet metal part 3 can be positioned on the lower pressing plate 103.

Further, the second plate 103B is provided with a first inclined plane 1034, the third plate 103C is provided with a second inclined plane 1035 corresponding to the first inclined plane 1034, in this embodiment, the distances between the first inclined plane 1034, the second inclined plane 1035 and the rear side of the third plate 103C decrease gradually from top to bottom, and a mounting structure is provided between the first inclined plane 1034 and the second inclined plane 1035, in this embodiment, the mounting structure includes a mounting groove 1036 provided on the first inclined plane 1034, and a mounting protrusion 1037 provided on the second inclined plane 1035, and the mounting protrusion 1037 is inserted into the mounting groove 1036 from bottom to top, so that the second plate 103B and the third plate 103C are connected to each other, as will be understood by those skilled in the art.

Further, a second fixing member 1038 is further disposed between the second plate portion 103B and the third plate portion 103C to limit the third plate portion 103C from moving in the left-right direction relative to the second plate portion 103B, the number of the second fixing members 1038 is a plurality of and are arranged at intervals along the length direction of the lower pressing plate 103, in this embodiment, the second fixing members 1038 are preferably positioning pins with square horizontal sections, the number of the positioning pins is two, the positioning pins are respectively disposed between the first inclined plane 1034 and the second inclined plane 1035, holes for inserting the second fixing members 1038 are disposed on the second plate portion 103B, grooves matched with the second fixing members 1038 are disposed between the mounting grooves 1036 and the top surface of the second plate portion 103B, and the grooves are disposed on the third plate portion 103C and are located on the mounting protrusions 1037.

Further, a guiding structure for guiding the movement of the lower pressing plate 103 is further arranged between the lower die plate 101 and the lower pressing plate 103, in this embodiment, the guiding structure includes a guiding component 4 disposed on the lower die plate 101, and a guiding groove 1039 disposed on the lower pressing plate 103 and corresponding to the guiding component 4, the vertical section of the guiding component 4 is L-shaped, which includes a positioning portion and an installation portion, the installation portion is detachably mounted on the lower die plate 101, the positioning portion is matched with the guiding groove 1039, the number of the guiding component 4 and the guiding groove 1039 is preferably four, the guiding grooves 1039 are arranged on the left and right sides of the lower pressing plate 103 at intervals, the guiding component 4 is disposed on the left and right sides of the lower pressing plate 103 corresponding to the guiding groove 1039, through the above technical scheme, the lower pressing plate 103 moves up and down along the height direction of the guiding component 4, and the guiding component 4 plays a guiding role on the lower pressing plate 103.

Further, the clapping male die 202 includes an upper pressing plate 2021 that is matched with the lower pressing plate 103, and a male die insert 2022 that is disposed on the upper pressing plate 2021 and is matched with the clapping female die 102, an insert mounting portion 2023 for mounting the male die insert 2022 is disposed on a front side of a bottom surface of the upper pressing plate 2021, and the male die insert 2022 is fastened and mounted on the insert mounting portion 2023.

Further, the upper pad 203 is provided with two pressing blocks 206 for pressing the bending portion 302 of the sheet metal part 3 on the rear side portion of the lower pressing plate 103, in this embodiment, the number of the pressing blocks 206 is two, and the pressing blocks 206 are fixedly installed on the bottom surface of the upper pad 203 through fasteners and located on the rear side of the clapping male die 202, the pressing blocks 206 extend downwards from the upper pad 203 to the rear side portion of the lower pressing plate 103, and when the upper die assembly is matched with the lower die assembly, the pressing blocks 206 abut against the bending portion 302 of the sheet metal part 3 on the rear side portion of the lower pressing plate 103, so that through the above technical scheme, position deviation of the sheet metal part 3 during punching is avoided, and processing quality of the clapping die on the sheet metal part 3 is ensured.

Further, a reset member 7 is disposed between the lower pressing plate 103 and the lower die plate 101 to reset the lower pressing plate 103 upward, and the reset member 7 is preferably a nitrogen spring, in this embodiment, the fixed end of the reset member 7 is preferably uniformly disposed on and inserted into the lower die plate 101, and the movable end of the reset member passes through the lower pad 104 and abuts against the bottom surface of the lower pressing plate 103, when the upper die assembly moves downward and is matched with the lower die assembly, the lower pressing plate 103 moves downward against the elastic force of the reset member 7, and when the upper die assembly moves upward and is separated from the lower die assembly, the elastic force of the reset member 7 pushes the lower pressing plate 103 upward to reset the lower pressing plate 103, which is understood by those skilled in the art.

When the sheet metal part flattening die structure is used for punching, firstly, the sheet metal part 3 is placed on the lower pressing plate 103 and the flattening die 102, the front side of the sheet metal part 3 is abutted against the first positioning part 1025, the flanging 303 of the bending part 302 of the sheet metal part 3 is inserted into the accommodating groove 1032 of the lower pressing plate 103, the punching 304 of the bending part 302 of the sheet metal part 3 is inserted into the accommodating hole 1033 of the lower pressing plate 103, then, the punching equipment is started, the upper die assembly moves downwards, the upper pressing plate 2021 is matched with the lower pressing plate 103 to press the sheet metal part 3, the pressing block 206 is used for pressing the bending part 302 of the sheet metal part 3 on the rear side of the lower pressing plate 103, then, the upper die assembly moves downwards continuously, the flattening punch 202 is matched with the flattening die 102 to flatten the flattening edge 301 of the sheet metal part 3, after the processing is finished, the upper die assembly is reset upwards, and finally, the sheet metal part 3 is taken out from the flattening die.

The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a sheet metal component die structure of clapping, includes upper die subassembly and lower die subassembly that corresponds from top to bottom, its characterized in that, lower die subassembly includes lower bolster (101), sets up clapping die (102) on lower bolster (101), can upper and lower activity set up lower flitch (103) on lower bolster (101) and be used for compressing tightly sheet metal component (3), lower flitch (103) set up in the outside of clapping die (102), be equipped with on clapping die (102) guide fillet (1021) that are used for leading clapping edge (301) of sheet metal component (3), upper die subassembly includes cope match-plate pattern (201), sets up clapping die (202) on cope match-plate pattern (201), clapping die (202) cooperate and act on clapping edge (301) of sheet metal component (3) and with clapping edge (301) of sheet metal component (3).

2. The sheet metal part leveling die structure according to claim 1, wherein the guide fillet (1021) is located at a connection part between a side wall of the leveling female die (102) and a bottom surface of the leveling female die (102), and the radius of the guide fillet (1021) is A, and R1 is less than A and less than R2.

3. The sheet metal part leveling die structure according to claim 1, wherein the leveling female die (102) is fixedly mounted on the lower die plate (101), a sliding structure is arranged between the leveling female die (102) and the lower pressing plate (103), the sliding structure comprises a sliding groove (1022) arranged on the leveling female die (102) and a sliding rail (1031) arranged on the lower pressing plate (103), the sliding groove (1022) extends and is arranged along the height direction of the leveling female die (102), the sliding rail (1031) extends and is arranged along the height direction of the lower pressing plate (103), the sliding rail (1031) is inserted into the sliding groove (1022) and slides along the length direction of the sliding groove (1022), the lower pressing plate (103) slides up and down relative to the leveling female die (102), the leveling female die (102) comprises a middle female die (1023) and side female dies (1024) arranged on the left side and right sides of the middle female die (1023), a first positioning female die part (1024) for positioning a sheet metal part (1023) is arranged on the side female die (1024), and a first positioning female die part (1025) is fixedly mounted on the first positioning female die (1024) and a first positioning part (1025) is fixedly mounted on the first positioning female die (1024.

4. The sheet metal part leveling die structure according to claim 1, wherein the lower pressing plate (103) comprises a first plate portion (103A), a second plate portion (103B) and a third plate portion (103C), the leveling die (102) is located at the front side portion of the first plate portion (103A), the second plate portion (103B) is located at the rear side portion of the first plate portion (103A), the third plate portion (103C) is located at the rear side portion of the second plate portion (103B), and a containing groove (1032) into which a turned edge (303) of a bending portion (302) of the sheet metal part (3) is inserted and a containing hole (1033) into which a punched hole (304) of the bending portion (302) of the sheet metal part (3) is inserted are formed in the rear side portion of the third plate portion (103C), and the containing groove (1032) is arranged along the length of the third plate portion (103C) in an extending manner.

5. The sheet metal part leveling die structure according to claim 4, wherein a first inclined surface (1034) is arranged on the second plate portion (103B), a second inclined surface (1035) corresponding to the first inclined surface (1034) is arranged on the third plate portion (103C), a mounting structure is arranged between the first inclined surface (1034) and the second inclined surface (1035), the mounting structure comprises a mounting groove (1036) arranged on the first inclined surface (1034) and a mounting convex portion (1037) arranged on the second inclined surface (1035), and the mounting convex portion (1037) is inserted into the mounting groove (1036) from bottom to top to enable the second plate portion (103B) and the third plate portion (103C) to be connected with each other.

6. The sheet metal part leveling die structure according to claim 4, wherein a second fixing member (1038) is further arranged between the second plate portion (103B) and the third plate portion (103C) to limit the third plate portion (103C) to move in the left-right direction relative to the second plate portion (103B), and the number of the second fixing members (1038) is a plurality of and are distributed at intervals along the length direction of the lower pressing plate (103).

7. The sheet metal part leveling die structure according to claim 1, wherein a guide structure for guiding movement of the lower pressing plate (103) is further arranged between the lower die plate (101) and the lower pressing plate (103), the guide structure comprises a guide part (4) arranged on the lower die plate (101) and a guide groove (1039) arranged on the lower pressing plate (103) and corresponding to the guide part (4), and the guide part (4) is arranged on the left side and the right side of the lower pressing plate (103).

8. The sheet metal part clapping die structure according to claim 1, wherein the clapping male die (202) comprises an upper pressing plate (2021) which is matched with the lower pressing plate (103) and a male die insert (2022) which is arranged on the upper pressing plate (2021) and is matched with the clapping female die (102), an insert mounting portion (2023) for mounting the male die insert (2022) is arranged on the front side of the bottom surface of the upper pressing plate (2021), and the male die insert (2022) is fixedly mounted on the insert mounting portion (2023).

9. The sheet metal part leveling die structure according to claim 1, wherein the upper die assembly further comprises an upper base plate (203) arranged between the upper die plate (201) and the leveling punch (202), an upper support plate (204) arranged at the top of the upper die plate (201), and an upper die top plate (205) arranged on the upper support plate (204), the lower die assembly further comprises a lower base plate (104) arranged between the lower die plate (101) and the leveling die (102) and the lower blanking plate (103), a lower support plate (105) arranged at the bottom of the lower die plate (101), a lower die bottom plate (106) arranged at the bottom of the lower support plate (105), a guide assembly and a buffer part (5) are further arranged between the upper die assembly and the lower die assembly, the guide assembly comprises a guide post (601) arranged on one of the upper die plate (201) and the lower die plate (101), and a guide sleeve (602) arranged on the other of the upper die plate (201) and the lower die plate (101), and the buffer part (5) is arranged on the upper die plate (201) and/or the lower die plate (101).

10. The sheet metal part patting die structure according to claim 9, wherein a pressing block (206) for pressing a bending portion (302) of the sheet metal part (3) to the rear side portion of the lower pressing plate (103) is arranged on the upper base plate (203), the pressing block (206) is fixedly arranged on the bottom surface of the upper base plate (203) and located on the rear side of the patting punch (202), a reset component (7) is arranged between the lower pressing plate (103) and the lower die plate (101) so as to enable the lower pressing plate (103) to reset upwards, the reset component (7) is arranged on the lower die plate (101), and the movable end of the reset component passes through the lower base plate (104) and abuts against the bottom surface of the lower pressing plate (103).