CN110560561B - Continuous stamping die of compressor base - Google Patents
Continuous stamping die of compressor base Download PDFInfo
- Publication number
- CN110560561B CN110560561B CN201910995466.2A CN201910995466A CN110560561B CN 110560561 B CN110560561 B CN 110560561B CN 201910995466 A CN201910995466 A CN 201910995466A CN 110560561 B CN110560561 B CN 110560561B
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- die plate
- die
- die assembly
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- 238000004080 punching Methods 0.000 claims abstract description 44
- 238000005452 bending Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000007493 shaping process Methods 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model provides a continuous stamping die of compressor base, is including being used for the first pattern punching die set of punching press pattern on triangle-shaped flitch from left to right setting gradually, be used for punching press out the sunk part that is located the flitch center on the flitch, be located the inboard strip groove of flitch edge and be located the second forming die set of the bulge of flitch arrier angle position, be used for blanking bulge and form the third punching die set of first die-cut hole, be used for carrying out the fourth bending die set of bending processing to first die-cut hole edge and be used for carrying out the fifth forming die set of flattening processing to first die-cut hole. The invention can be used for continuous stamping of the compressor base.
Description
Technical Field
The invention relates to a continuous stamping die for a compressor base.
Background
In the prior art, the stamping and shaping process and the punching process of the compressor base need a plurality of discontinuous equipment for processing respectively, and the processing mode has high cost, more complex process flow, low production efficiency and certain limitation.
Therefore, it is necessary to design a die suitable for continuous press working of the compressor base.
Disclosure of Invention
The invention aims to provide a continuous stamping die for a compressor base, which can be used for continuous stamping processing of the compressor base.
The purpose of the invention is realized in the following way:
a continuous stamping die for a compressor base comprises a first pattern stamping die set, a second forming die set, a third punching die set, a fourth bending die set and a fifth forming die set, wherein the first pattern stamping die set is used for stamping a pattern on a triangular material plate, the second forming die set is used for stamping a sinking part positioned in the center of the material plate, a strip-shaped groove positioned on the inner side of the edge of the material plate and a protruding part positioned at the corner position of the material plate, the third punching die set is used for punching the protruding part and forming a first punching hole, the fourth bending die set is used for bending the edge of the first punching hole, and the fifth forming die set is used for flattening the first punching hole;
the first pattern stamping module comprises a first lower module and a first upper module matched with the first lower module;
the first lower die assembly comprises a first lower die plate, three groups of positioning blocks which are arranged on the first lower die plate and are uniformly distributed along the circumferential direction and used for limiting edges of the material plates, a first lower cushion block arranged on the first lower die plate, and two first positioning rods which are arranged between every two adjacent groups of positioning blocks and are used for limiting angular positions of the material plates at intervals;
the first lower cushion block is positioned between two groups of adjacent positioning blocks, a movable through hole is formed in the first lower template corresponding to the first lower cushion block, the first lower cushion block is arranged in the movable through hole, guide through holes for the corresponding two first positioning rods to pass through are formed in the first lower cushion block, and a first spring for supporting the first lower cushion block and in transmission connection with the first lower cushion block is arranged at the bottom of the first lower template;
the first upper die assembly comprises a first upper die plate matched with the first lower die plate, a first upper insert embedded in the first upper die plate and opposite to the first lower cushion block, and a pattern punch embedded at the bottom of the first upper insert, wherein a first insertion hole for extending a first positioning rod and a first accommodating hole for extending a positioning block are formed in the first upper die plate.
The second forming die assembly comprises a second lower die assembly and a second upper die assembly matched with the second lower die assembly;
the second lower die assembly comprises a second lower die plate and a second lower cushion block embedded on the second lower die plate;
the second upper die assembly comprises a second upper die plate and a second upper insert embedded in the second upper die plate and opposite to the second lower cushion block;
the third punching module comprises a third lower die assembly and a third upper die assembly matched with the third lower die assembly;
the third lower die assembly comprises a third lower die plate;
the third upper die assembly comprises a third upper die plate;
the fourth bending module comprises a fourth lower module and a fourth upper module matched with the fourth lower module;
the fourth lower die assembly comprises a fourth lower die plate and a fourth lower cushion block embedded on the fourth lower die plate;
the fourth upper die assembly comprises a fourth upper die plate;
the fifth forming die assembly comprises a fifth lower die assembly and a fifth upper die assembly matched with the fifth lower die assembly;
the fifth lower die assembly comprises a fifth lower die plate and a fifth lower cushion block embedded on the fifth lower die plate;
the fifth upper die assembly comprises a fifth upper die plate.
The bottom surfaces of the second upper insert, the third upper template, the fourth upper template and the fifth upper template are respectively provided with a pressing boss corresponding to the sinking part and a strip-shaped raised strip corresponding to the strip-shaped groove;
the horizontal sections of the second lower cushion block, the fourth lower cushion block and the fifth lower cushion block are triangular;
the upper surfaces of the second lower cushion block, the fourth lower cushion block and the fifth lower cushion block are respectively provided with three groups of bosses, the formed bosses are respectively positioned at the edge angles of the upper surfaces of the second lower cushion block, the fourth lower cushion block and the fifth lower cushion block, and a concave part corresponding to the sinking part and matched with the pressing boss is formed between the inner sides of the three groups of bosses;
the inner sides of each edge of the upper surfaces of the second lower cushion block, the fourth lower cushion block and the fifth lower cushion block are respectively provided with a strip-shaped groove which is parallel to the edge and matched with the strip-shaped convex strips, the strip-shaped grooves are arranged on the lower concave parts, and two ends of the strip-shaped grooves extend to corresponding forming bosses respectively.
The upper surface of the second lower cushion block is higher than the upper surface of the second lower template;
a convex column for processing the convex part is arranged on the forming boss of the second lower cushion block;
the lower surface of the second upper insert is positioned above the lower surface of the second upper template;
the horizontal section of the second upper insert is triangular, and a second insertion hole for the protruding column to extend into is formed in the bottom surface of the second upper insert;
the two sides of each angular position of the second upper insert are provided with second positioning rods, the second positioning rods downwards extend out of the second upper template, and the bottoms of the second positioning rods are conical;
the second lower die plate is provided with a second lower groove positioned at the outer side of the second lower cushion block, and the bottom surface of the second lower groove is provided with a second accommodating hole for the second positioning rod to extend in.
The third lower template is provided with a sinking cavity for supporting the sinking part and a third lower groove which is positioned outside the sinking cavity and used for accommodating a material plate part positioned outside the strip-shaped groove and the strip-shaped groove;
three supporting bosses are arranged on the sinking cavity and are respectively positioned at the edge angle positions of the upper surface of the sinking cavity;
three blanking pipes opposite to the protruding parts are arranged in the third lower groove, the horizontal section of the sinking cavity is triangular, and the three blanking pipes are respectively positioned at the outer sides of the edges of the sinking cavity;
and three first punches for punching the protruding parts and forming first punching holes are embedded at the bottom of the third upper die plate, the three first punches correspond to the three blanking pipes one by one, and the first punches are positioned on the outer side of the pressing boss of the third upper die plate.
Three shaping punches for bending the edges of the first punching holes are arranged on the fourth lower die plate corresponding to the first punching holes, and the three shaping punches are respectively positioned at the edge angle positions of the fourth lower cushion block;
and the fourth upper template is provided with three fourth accommodating holes which are in one-to-one correspondence with the three shaping punches and are used for the shaping punches to extend in, and the fourth accommodating holes are positioned on the outer side of the pressing boss of the fourth upper template.
Three groups of limit seats which are uniformly distributed along the circumferential direction and correspond to the angular positions of the edges of the material plates are arranged on the third lower template, the fourth lower template and the fifth lower template;
and the third upper template, the fourth upper template and the fifth upper template are respectively provided with a third accommodating hole for the limiting seat to extend in.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a first lower die assembly according to an embodiment of the invention.
Fig. 4 is an enlarged view of a portion of fig. 2A.
Fig. 5 is a schematic structural diagram of a second lower die assembly according to an embodiment of the invention.
Fig. 6 is a partial enlarged view of the portion of fig. 2B.
Fig. 7 is a schematic structural diagram of a third lower die assembly according to an embodiment of the invention.
Fig. 8 is a partial enlarged view of the portion of fig. 2C.
Fig. 9 is a schematic structural diagram of a fourth lower die assembly according to an embodiment of the invention.
Fig. 10 is a partial enlarged view of the portion of fig. 2D.
FIG. 11 is a schematic diagram of a fifth lower die assembly according to an embodiment of the invention.
Fig. 12 is an enlarged view of a portion of fig. 2E.
Fig. 13 is a schematic structural view of a material plate.
Fig. 14 is a schematic view of a material plate structure after the first pattern stamping module completes processing.
Fig. 15 is a schematic view of a plate structure of the second forming die after finishing processing.
Fig. 16 is a schematic view of a material plate structure after the third punching module completes processing.
Fig. 17 is a partial cross-sectional view of an embodiment of the present invention.
Fig. 18 is a schematic view of a material plate structure after the third punching module completes processing.
Fig. 19 is a partial cross-sectional view of the blank and the shaping punch after completion of the processing by the fourth bending die set.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-19, the continuous stamping die of the compressor base comprises a first pattern stamping die set 1, a second forming die set 2, a third punching die set 3, a fourth bending die set 4 and a fifth forming die set 5, wherein the first pattern stamping die set 1 is used for stamping a pattern 52 on a triangular material plate 47, the second forming die set 2 is used for stamping a sunken part 48 positioned in the center of the material plate, a strip-shaped groove 49 positioned on the inner side of the edge of the material plate 47 and a protruding part 50 positioned at the corner position of the material plate 47, the third punching die set 3 is used for punching the protruding part 50 and forming a first punching hole 51, the fourth bending die set 4 is used for bending the edge of the first punching hole 51, and the fifth forming die set 5 is used for flattening the first punching hole 51, and the first pattern stamping die set is used for stamping the first pattern 52;
referring to fig. 13, two sides of the angular position of the material plate 47 are symmetrically provided with arc-shaped positioning notches 53, the positioning notches 53 are convenient for positioning the material plate 47 in the continuous stamping die of the compressor base, and the triangle-shaped material plate 47 and the positioning notches 53 finish material preparation processing before processing in the continuous stamping die of the compressor base.
The invention can be used for continuous stamping processing of the compressor base, and is beneficial to improving the production efficiency.
The first pattern stamping module 1 comprises a first lower die assembly and a first upper die assembly matched with the first lower die assembly;
the first lower die assembly comprises a first lower die plate 6, three groups of positioning blocks 7 which are arranged on the first lower die plate 6 and are uniformly distributed along the circumferential direction and are used for defining edges of the material plate 47, a first lower cushion block 8 which is arranged on the first lower die plate 6, and two first positioning rods 9 which are arranged between every two adjacent groups of positioning blocks 7 and are used for defining angular positions of the material plate 47 at intervals;
the first positioning rods 9 are in one-to-one correspondence with the positioning notches 53 on the material plate 47.
The first lower cushion block 8 is positioned between two groups of adjacent positioning blocks 7, a movable through hole 54 is formed in the first lower template 6 corresponding to the first lower cushion block 8, the first lower cushion block 8 is arranged in the movable through hole, guide through holes for the corresponding two first positioning rods 9 to pass through are formed in the first lower cushion block 8, and a first spring 10 for supporting the first lower cushion block 8 and in transmission connection with the first lower cushion block 8 is arranged at the bottom of the first lower template 6;
when the material plate 47 is arranged on the first lower die assembly, the material plate 47 is arranged on the first lower cushion block 8, the positioning block 7 is limited on the outer side of the corresponding edge of the material plate 47, and the first positioning rod 9 realizes the positioning of the material plate 47 through the corresponding positioning notch 53.
The first lower cushion block 8 is matched with the movable through holes 54 and the corresponding two first positioning rods 9 to guide the first lower cushion block 8 to move up and down.
When the first spring 10 is in the maximum extension state, the first lower pad 8 will not be separated from the movable through hole 54 and the corresponding first positioning rod 9.
Referring to fig. 17, a first through hole 55 penetrating through the bottom of the first lower cushion block 8 and a second through hole connected above the first through hole 55 and penetrating through the upper portion of the first through hole are provided on the first lower cushion block 8, the diameter of the second through hole is smaller than that of the first through hole 55, a guide post 57 is provided on the first lower cushion block 8, the guide post 57 is provided in the second through hole, a guide block 58 is fixedly connected coaxially with the bottom of the guide post 57, the guide block 58 is fixedly connected with the top of the first spring 10, and the first spring 10 extends into the first through hole 55.
In this embodiment, the number of the first springs 10 is three, and the first springs 10 are uniformly distributed along the circumferential direction, and the first springs 10 are located inside the corresponding two first positioning rods 9.
The first upper die assembly comprises a first upper die plate 11 matched with the first lower die plate 6, a first upper insert 12 embedded in the first upper die plate 11 and opposite to the first lower cushion block 8, and a pattern punch 13 embedded at the bottom of the first upper insert 12, wherein the first upper die plate 11 is provided with a first inserting hole 14 for extending a first positioning rod 9 and a first accommodating hole 15 for extending a positioning block 7.
In this embodiment, the number of the first lower cushion blocks 8 and the first upper insert blocks 12 is two, and the first lower cushion blocks 8 are arranged at left and right intervals, and each first lower cushion block 8 is matched with a first spring 10.
The bottom surface of the pattern punch 13 is provided with a convex portion for punching out a pattern.
When the first lower die assembly and the first upper die assembly are pressed, the part of the material plate 47 opposite to the first lower cushion block 8 is pressed between the first lower cushion block 8 and the pattern punch 13, and the pattern 52 is machined, see fig. 14.
The first upper die assembly is separated from the first lower die assembly upwards, the first lower cushion block 8 is reset upwards under the drive of the first spring 10, the material plate 47 is driven to move upwards to be separated from the first lower die plate 6, and the material plate 47 is convenient to transfer to the next process.
Further, the second molding module 2 comprises a second lower die assembly and a second upper die assembly matched with the second lower die assembly;
the second lower die assembly comprises a second lower die plate 16 and a second lower cushion block 17 embedded on the second lower die plate 16;
the second upper die assembly comprises a second upper die plate 18 and a second upper insert 19 embedded in the second upper die plate 18 and opposite to the second lower cushion block 17;
the third punching module 3 comprises a third lower die assembly and a third upper die assembly matched with the third lower die assembly;
the third lower die assembly includes a third lower die plate 20;
the third upper die assembly includes a third upper die plate 21;
the fourth bending module 4 comprises a fourth lower die assembly and a fourth upper die assembly matched with the fourth lower die assembly;
the fourth lower die assembly comprises a fourth lower die plate 22 and a fourth lower cushion block 23 embedded on the fourth lower die plate 22;
the fourth upper die assembly includes a fourth upper die plate 24;
the fifth molding module 5 comprises a fifth lower module and a fifth upper module matched with the fifth lower module;
the fifth lower die assembly comprises a fifth lower die plate 25 and a fifth lower cushion block 26 embedded on the fifth lower die plate 25;
the fifth upper die assembly includes a fifth upper die plate 27.
The first lower die assembly, the second lower die assembly, the third lower die assembly, the fourth lower die assembly and the fifth lower die assembly all comprise a lower clamping plate 59, a lower backing plate 60, a lower supporting plate 61 and a bottom plate 62 which are sequentially arranged from top to bottom;
the first lower die plate 6 is provided on a lower clamping plate 59 of the first lower die assembly.
The second lower die plate 16 is disposed on a lower clamping plate 59 of the second lower die assembly.
The third lower die plate 20 is disposed on a lower clamping plate 59 of the third lower die assembly.
The fourth lower die plate 22 is disposed on a lower clamping plate 59 of the fourth lower die assembly.
The fifth lower die plate 25 is provided on a lower clamping plate 59 of the fifth lower die assembly.
The continuous stamping die of the compressor base further comprises a base plate 63, and the lower clamping plate 59 is arranged on the base plate 63.
A positioning nut 70 is fixedly connected to the bottom of the first spring 10, and the positioning nut 70 is screwed in the corresponding lower clamping plate 59, see fig. 17.
The first spring 10, the guide post 57, the guide block 58 and the positioning nut 70 form an ejection assembly, and the second lower die assembly, the third lower die assembly, the fourth lower die assembly and the fifth lower die assembly can be provided with three groups of ejection assemblies uniformly distributed along the circumferential direction.
The first upper die assembly, the second upper die assembly, the third upper die assembly, the fourth upper die assembly and the fifth upper die assembly all comprise a panel 64, an upper supporting plate 65, an upper backing plate 66, a first upper clamping plate 67 and a second upper clamping plate 68 which are sequentially arranged from top to bottom;
the first upper die plate 11 is disposed at the bottom of the second upper clamping plate 68 of the first upper die assembly.
The second cope match-plate pattern 18 is disposed at the bottom of a second cope match-plate pattern 68 of the second cope match-plate pattern assembly.
The third upper die plate 21 is disposed at the bottom of the second upper clamping plate 68 of the third upper die assembly.
The fourth upper die plate 24 is disposed at the bottom of the second upper clamping plate 68 of the fourth upper die assembly.
The fifth upper die plate 27 is disposed at the bottom of the second upper clamping plate 68 of the fifth upper die assembly.
The continuous stamping die of the compressor base further comprises a top plate 69, and the panel 64 is arranged at the bottom of the top plate 69.
In the continuous stamping die of the present compressor base, a manipulator for transferring the material plate 47 is required to be disposed behind the continuous stamping die. Each time processing of one process is completed, the robot transfers the plate 47 to the module of the next process, as will be appreciated by those skilled in the art.
Further, the bottom surfaces of the second upper insert 19, the third upper die plate 21, the fourth upper die plate 24 and the fifth upper die plate 27 are respectively provided with a pressing boss 28 corresponding to the sinking portion 48 and a strip-shaped raised strip 29 corresponding to the strip-shaped groove 49;
the horizontal cross sections of the sinking part 48 and the pressing boss 28 are circular, and the edges of the sinking part 48 are tangent to three edges of the material plate 47 respectively.
The number of the strip-shaped grooves 49 is three, and the strip-shaped grooves are respectively parallel to three edges of the material plate 47.
The horizontal cross sections of the second lower cushion block 17, the fourth lower cushion block 23 and the fifth lower cushion block 26 are triangular;
three sets of boss 30 are respectively arranged on the upper surfaces of the second lower cushion block 17, the fourth lower cushion block 23 and the fifth lower cushion block 26, the formed boss 30 is respectively positioned on the edge angle positions of the upper surfaces of the second lower cushion block 17, the fourth lower cushion block 23 and the fifth lower cushion block 26, and a concave part 31 which corresponds to the sinking part 48 and is matched with the pressing boss 28 is formed between the inner sides of the three sets of boss 30;
the horizontal cross section of the concave portion 31 is circular.
The inner sides of each edge of the upper surfaces of the second lower cushion block 17, the fourth lower cushion block 23 and the fifth lower cushion block 26 are respectively provided with a strip-shaped groove 32 which is parallel to the edge and matched with the strip-shaped convex strips 29, the strip-shaped grooves 32 are arranged on the lower concave parts 31, and two ends of the strip-shaped grooves 32 respectively extend to the corresponding forming bosses 30.
Further, the upper surface of the second lower pad 17 is higher than the upper surface of the second lower die plate 16;
a boss 33 for machining the protruding part 50 is arranged on the forming boss 30 of the second lower cushion block 17;
the top of the boss 33 is conical.
The lower surface of the second upper insert 19 is positioned above the lower surface of the second upper die plate 18;
the horizontal section of the second upper insert 19 is triangular, and a second insertion hole 34 into which the boss 33 extends is formed in the bottom surface of the second upper insert 19;
the two sides of each angular position of the second upper insert 19 are provided with second positioning rods 35, the second positioning rods 35 downwards extend out of the second upper template 18, and the bottoms of the second positioning rods 35 are conical;
the second lower die plate 16 is provided with a second lower groove 36 positioned outside the second lower cushion block 17, and the bottom surface of the second lower groove 36 is provided with a second accommodating hole 37 for the second positioning rod 35 to extend into.
The material plate 47 is transferred from the first pattern stamping die set 1 to the second lower die plate 16, the position of the material plate 47 is basically accurate, and in the pressing process of the second upper die assembly and the second lower die assembly, the second positioning rod 35 passes through the corresponding positioning notch 53, meanwhile, in view of the conical bottom of the second positioning rod 35, the second positioning rod 35 is beneficial to smoothly passing through the positioning notch 53 and finely adjusting the position of the material plate 47, so that the positioning of the material plate 47 is realized.
After the second upper die assembly and the second lower die assembly are pressed, the material plate 47 is formed with a sinking portion 48, three sets of strip grooves 49 and three protruding portions 50, as shown in fig. 15.
Further, the third lower die plate 20 is provided with a sinking cavity 38 for supporting the sinking portion 48, and a third lower groove 39 located outside the sinking cavity 38 and used for accommodating a material plate 47 located outside the strip-shaped groove 49 and the strip-shaped groove 49;
three supporting bosses 40 are arranged on the sinking cavity 38, and the three supporting bosses 40 are respectively positioned at the edge angle positions of the upper surface of the sinking cavity 38;
three blanking pipes 41 opposite to the protruding portion 50 are disposed in the third lower groove 39, the horizontal section of the sinking cavity 38 is triangular, and the three blanking pipes 41 are located outside the corner positions of the sinking cavity 38;
the bottom of the third upper die plate 21 is embedded with three first punches 42 for punching the protruding portion 50 and forming a first punching hole 51, the three first punches 42 are in one-to-one correspondence with the three blanking pipes 41, and the first punches 42 are located outside the pressing boss 28 of the third upper die plate 21.
After the third upper die assembly and the third lower die assembly are press-fitted, the projections 50 are punched out and first punched holes 51 are formed, see fig. 16.
Further, three shaping punches 43 for bending the edges of the first punching holes 51 are arranged on the fourth lower die plate 22 corresponding to the first punching holes 51, and the three shaping punches 43 are respectively located at the edge angle positions of the fourth lower cushion block 23;
i.e. the shaping punch 43 is located on the shaping boss 30 of the fourth lower die plate 22;
the fourth upper die plate 24 is provided with three fourth accommodating holes 44 corresponding to the three shaping punches 43 one by one and used for the shaping punches 43 to extend into, and the fourth accommodating holes 44 are located outside the pressing boss 28 of the fourth upper die plate 24.
After the third punching die set processes the blank 47, the edge of the first punching hole 51 has a burr 71 extending downward, and as shown in fig. 18, the burr 71 is easily injured by the worker, and thus, the burr 71 needs to be processed.
The shaping punch 43 comprises a conical head 72, a first column part 73 and a second column part 74 which are sequentially connected from top to bottom, the diameter of the second column part 74 is larger than that of the first column part 73, an annular inclined surface 75 for guiding the burrs 71 to bend is arranged on the upper surface of the second column part 74, the second column part 74 is inserted on the fourth lower cushion block 23, the bottom edge of the annular inclined surface 75 is flush with the upper surface of the shaping boss 30 of the fourth lower die assembly, and the diameter of the fourth accommodating hole 44 is the same as that of the second column part 74 or slightly larger than that of the second column part 74.
After the fourth upper die assembly and the fourth lower die assembly are pressed together, the burrs 71 are bent so as to be close to the bottom surface of the blank 47, and at the same time, the periphery of the first punched hole 51 is upwardly arched, see fig. 19.
The upper surface of the fifth lower die assembly forming boss 30 is flat at a position opposite to the first die-cut hole 51.
After the fifth upper die assembly and the fifth lower die assembly are pressed together, the upwardly arched portion of the periphery of the first punching hole 51 is flattened, and the punching of the blank 47 is achieved.
Further, three groups of limit seats 45 which are uniformly distributed along the circumferential direction and correspond to the edges and corners of the material plate 47 are arranged on the third lower die plate 20, the fourth lower die plate 22 and the fifth lower die plate 25;
the side of the angular position of the material plate 47 adopts arc transition, and the inner side of the limit seat 45 is provided with an arc transition part 76 matched with the side of the angular position of the material plate 47.
The third upper template 21, the fourth upper template 24 and the fifth upper template 27 are provided with third accommodating holes 46 for inserting the limiting seats 45.
The above disclosure is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (7)
1. The continuous stamping die for the compressor base is characterized by comprising a first pattern stamping die set (1) for stamping a pattern (52) on a triangular material plate (47), a second forming die set (2) for stamping a sinking part (48) positioned in the center of the material plate, a strip-shaped groove (49) positioned on the inner side of the edge of the material plate (47) and a protruding part (50) positioned at the corner position of the material plate (47), a third punching die set (3) for punching the protruding part (50) and forming a first punching hole (51), a fourth bending die set (4) for bending the edge of the first punching hole (51) and a fifth forming die set (5) for flattening the first punching hole (51), which are sequentially arranged from left to right;
the first pattern stamping module (1) comprises a first lower die assembly and a first upper die assembly matched with the first lower die assembly;
the first lower die assembly comprises a first lower die plate (6), three groups of positioning blocks (7) which are arranged on the first lower die plate (6) and are uniformly distributed along the circumferential direction and are used for defining edges of the material plate (47), a first lower cushion block (8) which is arranged on the first lower die plate (6) and two first positioning rods (9) which are arranged between every two adjacent groups of positioning blocks (7) and are used for defining angular positions of the material plate (47) at intervals;
the first lower cushion block (8) is positioned between two groups of adjacent positioning blocks (7), a movable through hole (54) is formed in the first lower die plate (6) corresponding to the first lower cushion block (8), the first lower cushion block (8) is arranged in the movable through hole, guide through holes for the corresponding two first positioning rods (9) to pass through are formed in the first lower cushion block (8), and a first spring (10) used for supporting the first lower cushion block (8) and in transmission connection with the first lower cushion block (8) is arranged at the bottom of the first lower die plate (6);
the first upper die assembly comprises a first upper die plate (11) matched with the first lower die plate (6), a first upper insert (12) embedded in the first upper die plate (11) and opposite to the first lower cushion block (8), and a pattern punch (13) embedded at the bottom of the first upper insert (12), wherein a first inserting hole (14) for the first positioning rod (9) to extend in and a first accommodating hole (15) for the positioning block (7) to extend in are formed in the first upper die plate (11);
the first lower cushion block (8) is provided with a first through hole (55) penetrating through the bottom of the first lower cushion block corresponding to the first spring (10), and the first spring (10) stretches into the first through hole (55).
2. The continuous stamping die of a compressor base according to claim 1, wherein the second forming die set (2) comprises a second lower die assembly and a second upper die assembly cooperating with the second lower die assembly;
the second lower die assembly comprises a second lower die plate (16) and a second lower cushion block (17) embedded on the second lower die plate (16);
the second upper die assembly comprises a second upper die plate (18) and a second upper insert (19) which is embedded in the second upper die plate (18) and is opposite to the second lower cushion block (17);
the third punching module (3) comprises a third lower die assembly and a third upper die assembly matched with the third lower die assembly;
the third lower die assembly includes a third lower die plate (20);
the third upper die assembly comprises a third upper die plate (21);
the fourth bending module (4) comprises a fourth lower die assembly and a fourth upper die assembly matched with the fourth lower die assembly;
the fourth lower die assembly comprises a fourth lower die plate (22) and a fourth lower cushion block (23) embedded on the fourth lower die plate (22);
the fourth upper die assembly includes a fourth upper die plate (24);
the fifth forming module (5) comprises a fifth lower module and a fifth upper module matched with the fifth lower module;
the fifth lower die assembly comprises a fifth lower die plate (25) and a fifth lower cushion block (26) embedded on the fifth lower die plate (25);
the fifth upper die assembly includes a fifth upper die plate (27).
3. The continuous stamping die of the compressor base according to claim 2, wherein the bottom surfaces of the second upper insert (19), the third upper die plate (21), the fourth upper die plate (24) and the fifth upper die plate (27) are respectively provided with a pressing boss (28) corresponding to the sinking part (48) and a strip-shaped raised strip (29) corresponding to the strip-shaped groove (49);
the horizontal sections of the second lower cushion block (17), the fourth lower cushion block (23) and the fifth lower cushion block (26) are triangular;
three groups of bosses (30) are arranged on the upper surfaces of the second lower cushion block (17), the fourth lower cushion block (23) and the fifth lower cushion block (26), the forming bosses (30) are respectively positioned on the edge positions of the upper surfaces of the second lower cushion block (17), the fourth lower cushion block (23) and the fifth lower cushion block (26), and a concave part (31) corresponding to the sinking part (48) and matched with the pressing boss (28) is formed between the inner sides of the three groups of bosses (30);
the inner sides of each edge of the upper surfaces of the second lower cushion block (17), the fourth lower cushion block (23) and the fifth lower cushion block (26) are respectively provided with a strip groove (32) which is parallel to the edge and matched with the strip convex strips (29), the strip grooves (32) are arranged on the lower concave parts (31), and two ends of the strip grooves (32) respectively extend to corresponding forming bosses (30).
4. A continuous stamping die for compressor bases according to claim 3, characterized in that the upper surface of the second lower pad (17) is higher than the upper surface of the second lower die plate (16);
a convex column (33) for processing the convex part (50) is arranged on the forming boss (30) of the second lower cushion block (17);
the lower surface of the second upper insert (19) is positioned above the lower surface of the second upper template (18);
the horizontal section of the second upper insert (19) is triangular, and a second insertion hole (34) for the protrusion (33) to extend into is formed in the bottom surface of the second upper insert (19);
two sides of each angular position of the second upper insert (19) are provided with second positioning rods (35), the second positioning rods (35) extend downwards out of the second upper die plate (18), and the bottoms of the second positioning rods (35) are conical;
the second lower die plate (16) is provided with a second lower groove (36) positioned at the outer side of the second lower cushion block (17), and the bottom surface of the second lower groove (36) is provided with a second accommodating hole (37) for the second positioning rod (35) to extend in.
5. The continuous stamping die for the compressor base according to claim 4, wherein the third lower die plate (20) is provided with a sinking cavity (38) for supporting the sinking part (48) and a third lower groove (39) which is positioned outside the sinking cavity (38) and is used for accommodating a material plate (47) part positioned outside the strip-shaped groove (49) and the strip-shaped groove (49);
three supporting bosses (40) are arranged on the sinking cavity (38), and the three supporting bosses (40) are respectively positioned at the edge angle positions of the upper surface of the sinking cavity (38);
three blanking pipes (41) opposite to the protruding parts (50) are arranged in the third lower groove (39), the horizontal section of the sinking cavity (38) is triangular, and the three blanking pipes (41) are respectively positioned at the outer sides of the edges of the sinking cavity (38);
three first punches (42) for punching the protruding portions (50) and forming first punching holes (51) are embedded in the bottom of the third upper die plate (21), the three first punches (42) are in one-to-one correspondence with the three blanking pipes (41), and the first punches (42) are located on the outer side of a pressing boss (28) of the third upper die plate (21).
6. The continuous stamping die for the compressor base according to claim 5, wherein three shaping punches (43) for bending the edges of the first punching holes (51) are arranged on the fourth lower die plate (22) corresponding to the first punching holes (51), and the three shaping punches (43) are respectively positioned at the angular positions of the fourth lower cushion block (23);
and the fourth upper die plate (24) is provided with three fourth accommodating holes (44) which are in one-to-one correspondence with the three shaping punches (43) and are used for the shaping punches (43) to extend in, and the fourth accommodating holes (44) are positioned on the outer side of the pressing boss (28) of the fourth upper die plate (24).
7. The continuous stamping die of the compressor base according to claim 6, wherein three groups of limit seats (45) which are uniformly distributed along the circumferential direction and correspond to the edges and corners of the material plate (47) are arranged on each of the third lower die plate (20), the fourth lower die plate (22) and the fifth lower die plate (25);
third accommodating holes (46) for the limiting seats (45) to extend in are formed in the third upper template (21), the fourth upper template (24) and the fifth upper template (27).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910995466.2A CN110560561B (en) | 2019-10-18 | 2019-10-18 | Continuous stamping die of compressor base |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910995466.2A CN110560561B (en) | 2019-10-18 | 2019-10-18 | Continuous stamping die of compressor base |
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| CN110560561B true CN110560561B (en) | 2024-04-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112893630B (en) * | 2021-03-08 | 2024-04-05 | 佛山市顺德区朴田电器有限公司 | Continuous stamping die of compressor upper cover |
| CN116571627B (en) * | 2023-07-14 | 2023-09-15 | 豪尔沃(山东)机械科技有限公司 | Continuous stamping device for processing door plate |
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| JP2011041967A (en) * | 2009-08-21 | 2011-03-03 | Toyota Motor Corp | Die for press working |
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| CN110560561A (en) | 2019-12-13 |
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