CN107755544B - One-time imprinting two-piece process for automobile drive rear axle buffer seat, imprinting mold and imprinting process thereof - Google Patents
One-time imprinting two-piece process for automobile drive rear axle buffer seat, imprinting mold and imprinting process thereof Download PDFInfo
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- CN107755544B CN107755544B CN201711271800.7A CN201711271800A CN107755544B CN 107755544 B CN107755544 B CN 107755544B CN 201711271800 A CN201711271800 A CN 201711271800A CN 107755544 B CN107755544 B CN 107755544B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000004049 embossing Methods 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003466 welding 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Abstract
The invention discloses an embossing die for embossing two automobile drive rear axle buffer seats at one time, which comprises an upper die and a lower die, wherein the upper die and the lower die are respectively provided with an upper base plate, an upper fixing plate, a lower fixing plate and a lower base plate, and the embossing die also comprises an embossing die, a side end face positioning device, a balancing device and a guiding device. The side end face positioning device has stable positioning rigidity, the guide device automatically corrects the die gap, and the balance column and the lower die part of the balance device are additionally provided with the pull plate structure, so that the product imprinting process is stable, the service life of the die is prolonged by 6 times, the production cost is reduced, the workpiece quality is stable, the appearance is regular, the imprinting efficiency is greatly improved, and the sustainable and stable rear axle buffer seat can meet the design requirement of a product drawing.
Description
Technical Field
The invention belongs to the field of mechanical equipment, relates to a manufacturing die for a buffer seat, and in particular relates to a one-time imprinting two-piece process for a buffer seat of an automobile drive rear axle, an imprinting die and an imprinting process thereof.
Background
The automobile drive rear axle buffer seat is welded on the automobile drive axle housing body, and is mainly used for fastening and installing automobile buffer springs and controlling the installation positions of the buffer springs so as to realize buffer effect control of a vehicle during running and ensure stability and comfort of the vehicle during running. Therefore, the requirement on the opening width of the buffer seat after stamping is high (namely, the welding strength with the axle housing body is directly influenced). The buffer seat is processed by five procedures according to the traditional production mode, and the process flow is as follows: the production process includes blanking, forming, punching and imprinting, so that the product design requirement is met, and the conventional production process is used, wherein the buffer seat imprinting is performed by using an imprinting mold with a wedge structure, the mold structure is complex, and the mold service life is short. The invention is based on the optimization consideration of the production process in the prior art, and the imprinting mold for imprinting two automobile drive rear axle buffer seats at one time is necessary to improve the production efficiency and the product quality of the product.
Disclosure of Invention
The invention aims to overcome the defects in the background technology and adapt to the actual needs, and provides an embossing die for embossing two automobile drive rear axle buffer seats at a time. The inner guide post and the inner guide sleeve for automatically correcting the die gap are adopted, the rigid stop device (namely the upper baffle plate and the lower baffle plate) is adopted, and the structures such as the balance post and the pull plate are additionally arranged on the upper die part, so that the die precision, the service life and the product quality are improved.
The technical problems solved by the invention are realized by adopting the following technical scheme:
an imprinting mold for imprinting two automobile driving rear axle buffer seats at a time comprises an upper mold and a lower mold, wherein the upper mold and the lower mold are respectively provided with an upper base plate, an upper fixing plate, a lower fixing plate and a lower base plate, the imprinting mold also comprises,
A stamping die, which is divided into an upper stamping die and a lower stamping die; the stamping lower die is horizontally arranged in a fixed-shape cavity of the lower die fixing plate, a lower die side backing plate is arranged on the inner side of the lower die fixing plate, a lower die top plate is arranged between a die body of the stamping lower die and the lower backing plate, and an outline cavity of the stamping lower die is a positioning shape cavity of an inner cavity of a workpiece;
The side end face positioning device comprises an upper baffle plate and a lower baffle plate, wherein the upper baffle plate is horizontally limited by the lower baffle plate in the process of sliding and guiding the upper baffle plate into the lower baffle plate, and then the upper baffle plate is tightly blocked on the side end face of the workpiece to rigidly position the workpiece;
the balancing device comprises at least two balancing columns on one side, the balancing columns are arranged up and down correspondingly to the positions of the lower die fixing plate, and after the side end faces are positioned, when the lower surfaces of the balancing columns contact the upper surface of the lower die fixing plate, the upper die and the lower die are stamped to finish stamping of the workpiece;
And
The guide device comprises a middle guide device formed by an inner guide sleeve and an inner guide pillar and a side guide device formed by the guide sleeve and the guide pillar, and the middle guide surface is perpendicular to the side guide surface;
Wherein, two sets of stamping dies, two sets of side end face positioning devices and two sets of balancing devices are symmetrically arranged on two sides of the middle guiding device respectively; one end of the upper baffle plate, the stamping upper die and the middle guide device is connected with the upper backing plate through an upper die fixing cavity of the upper fixing plate; the balance column is connected with the upper fixing plate; the other ends of the lower baffle plate, the lower die top plate, the lower die fixing plate, the lower die side base plate and the middle guide device are all arranged on the lower base plate through the lower die fixing cavity of the lower fixing plate.
Further, two lower die top plates which are arranged in parallel are arranged between the die body of the lower stamping die and the lower backing plate, the lower end face of the lower stamping die is in contact with the upper end face of the lower die top plate, and the two lower die top plates which are arranged in parallel form a workpiece abdication space.
Further, the upper baffle plate is of a plate-shaped structure with an introduction head, the introduction head faces the side face of the workpiece,
The unilateral lower baffle is two columnar baffles which are arranged front and back, and the upper baffle is rigidly and fixedly connected with the upper fixed plate and the lower baffle is rigidly and fixedly connected with the lower fixed plate.
Further, the balancing device is unilaterally provided with three balancing columns, three balancing columns which are uniformly arranged are symmetrically arranged on two sides of the middle of the upper fixing plate respectively, and the arrangement directions of the three balancing columns are parallel to the middle guide surface.
Further, the side guiding device is arranged at the front side of the processing station, and a pair of guide sleeves and guide posts are respectively arranged at the left end and the right end of the front side; the front and back of the middle guiding device are provided with a pair of inner guide sleeves and inner guide posts.
Further, the double-sided clearance between the guide post and the guide sleeve is 0.14-0.16 mm, and the double-sided clearance between the inner guide post and the inner guide sleeve is 0.08-0.10 mm.
Further, the lower die fixing plates in the two sets of stamping dies are connected through two pull plates, the two pull plates are connected to the end faces of the front side and the rear side of the lower die fixing plates, and a yielding space of the middle guide device is formed between the two pull plates.
The invention has the beneficial effects that:
The invention converts the stamping direction of the original buffer seat from the horizontal direction to the vertical direction, then directly uses the stamping die with the structures of the stamping die, the side end surface positioning device, the balancing device, the guide device and the like to stamp, and changes the traditional one-piece stamping process into one-piece stamping process to stamp two-piece stamping processes simultaneously, so that the dimension after stamping is ensured to be within the tolerance range.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the lower mold portion of the present invention;
FIG. 3 is a front view of the lower die top plate of the present invention;
FIG. 4 is a top plan view of the lower die top plate of the present invention;
FIG. 5 is a front sectional view of the imprint lower mold of the present invention;
FIG. 6 is a schematic view of the structure of the imprint lower mold of the present invention;
FIG. 7 is a top view of the cushion pan structure of the present invention;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;
FIG. 9 is a front view of the structure of the cushion pan of the present invention;
FIG. 10 is a cross-sectional view taken along B-B of FIG. 9;
in the figure: the upper die plate 1, the guide sleeve 2, the upper backing plate 3, the upper fixing plate 4, the upper baffle plate 5, the imprinting upper die 6, the inner guide sleeve 7, the balance column 8, the guide column 9, the lower baffle plate 10, the imprinting lower die 11, the pull plate 12, the lower die side backing plate 13, the lower die fixing plate 14, the lower die top plate 15, the lower fixing plate 16, the inner guide column 17, the lower backing plate 18 and the lower die plate 19.
Detailed Description
The present invention may be embodied by a technical scheme, and the present invention may be further described by the following examples, however, the scope of the present invention is not limited to the following examples.
Example 1: referring to fig. 1-10, an imprinting mold for imprinting two pieces of automobile driving rear axle buffer seats at a time, which is divided into an upper half part of the mold and a lower half part of the mold, wherein the upper half part of the mold comprises: the upper template 1, guide pin bushing 2, upper backing plate 3, upper fixed plate 4, overhead gage 5, impression upper mould 6, interior guide pin bushing 7 and balance post 8, the lower half of mould includes: the lower die plate comprises a guide column 9, a lower baffle 10, an imprinting lower die 11, a pull plate 12, a lower die side backing plate 13, a lower die fixing plate 14, a lower die top plate 15, a lower fixing plate 16, an inner guide column 17, a lower backing plate 18 and a lower die plate 19.
The two stamping upper dies 6 are respectively arranged in upper die fixing cavities at two sides of the upper fixing plate 4 through interference fit, the upper end faces are connected with the upper base plate 3 through bolts, the two upper baffle plates 5 are respectively arranged in baffle plate fixing cavities at two sides of the upper fixing plate 4 through interference fit, the upper end faces are connected with the upper base plate 3 through bolts, the inner guide sleeve 7 is arranged in two middle guide sleeve holes of the upper fixing plate 4 through interference fit, the six balance columns 8 are connected with the upper fixing plate 4 through bolts, the guide sleeves 2 are arranged in guide sleeve holes at two sides of the upper die plate 1 through interference fit, and the upper die plate 1 and the upper base plate 3 are connected with the upper fixing plate 4 through bolts and positioning pins; four lower die top plates 15 are respectively arranged in top plate fixing and shaping cavities in front of and behind two sides of a lower fixing plate 16 through interference fit, two lower die side backing plates 13 are respectively arranged in backing plate fixing and shaping cavities in two sides of the lower fixing plate 16 through interference fit, the lower end faces are connected with a lower backing plate 18 through bolts, two lower stamping dies 11 are respectively arranged in fixing and shaping cavities in two sides of the lower die fixing plate 14 through interference fit, two assembled lower stamping die 11 and lower die fixing plate 14 assemblies are respectively arranged in fixing and shaping cavities in two sides of the lower fixing plate 16 through interference fit, the lower end faces of the lower stamping die 11 are in contact with the upper end faces of the lower die top plates 15 which are respectively fixed by the front and the rear two lower stamping dies, the lower end faces of the lower die fixing plate 14 are connected with the lower backing plate 18 through bolts, the sides of the lower stamping lower die 11 are connected with the lower die side backing plate 13 through bolts, inner guide posts 17 are arranged in middle two guide post holes of the lower fixing plate 16 through interference fit, the two pulling plates 12 are connected with the front and the rear two side end faces of the lower die fixing plate 14 through bolts, the four lower baffle plates 10 are respectively arranged in the fixing and shaping cavities in the two sides of the lower fixing plate 16 through interference fit, the lower die fixing plate 16 are respectively connected with the upper end faces of the lower die plate 15 through bolts and the lower die fixing and the lower die plate 19 and the lower die plate fixing and the lower die plate 19 through the guide posts and the lower die fixing and the lower die plate 19.
The inner guide pillar 17 is fixed on the lower fixed plate 16, the inner guide sleeve 7 is fixed on the upper fixed plate 4, and the double-sided gap between the inner guide pillar 17 and the inner guide sleeve 7 is 0.08-0.10 mm, so that the uniformity of the die gap is not controlled by manual skill of a fitter, but is ensured by the machining precision of a machine tool, and the die precision is improved.
The upper baffle plates 5 are respectively arranged on two sides of the upper die part of the die and are fixed in the upper fixing plate 4, the front and the rear of the two sides of the lower die part of the die are respectively provided with the lower baffle plates 10 and are fixed in the lower fixing plate 16, the lower baffle plates 10 further strengthen the upper baffle plates 5 so as to improve the rigidity of the upper baffle plates 5, the upper baffle plates 5 of the rigid positioning device are used for blocking the end faces of products, and the outward movement of the products during imprinting is prevented, so that the opening width of the stamped products is controlled within the range of 70+/-0.5 mm.
Three balance columns 8 are respectively added on two sides of the upper die part of the die, when the die reaches a bottom dead center, the lower end faces of the balance columns 8 press the upper end faces of the lower die fixing plates 14, pull plates 12 are respectively arranged on the front and rear two sides of the lower die part of the die to pull the lower die fixing plates 14 on the two sides for further reinforcement, and therefore, the opening width size of a product after stamping is prevented from being influenced due to downward deformation during stamping of the lower die 11. Meanwhile, the inner guide post penetrates through the middle through hole of the pull plate 12 to be in sliding fit with the guide sleeve, and an abdication groove is arranged on the pull plate 12 and abdies the inner guide sleeve 7.
Two lower die top plates 15 are respectively arranged on two sides of the lower die part of the die to support the lower stamping die 11 (namely, the upper side and the lower side of the lower stamping die 11 are supported by the two lower die top plates 15, the whole lower stamping die 11 is not suspended, but the middle of the lower stamping die 11 is suspended to yield a product), so that the strength of the lower stamping die 11 is improved, and the service life of the die and the quality of the product are improved.
The upper die part of the die is provided with three balance columns 8 on two sides respectively, and is connected with the upper fixing plate 4 from bottom to top through bolts, so that the die is convenient and quick to adjust (namely, the upper die is not required to be disassembled when the height of the balance columns 8 is adjusted, and fixing bolts can be directly disassembled from the lower end face of the balance columns 8 for adjustment).
The mould is used for simultaneously imprinting two products at one time, so that the stress uniformity of the mould is ensured, the abrasion of the mould is reduced, the service life of the mould is prolonged, and the production efficiency is improved.
Guide posts 9 and guide sleeves 2 (with a double-sided gap of 0.14-0.16 mm) are arranged on two sides of the die, and an inner guide post 17 and an inner guide sleeve 7 (with a double-sided gap of 0.08-0.10 mm) are additionally arranged in the middle of the die, so that the die is guided more stably by the double-guide structure, the stability of the die gap is ensured, and the service life of the die is effectively prolonged.
The driving rear axle buffer seat is manufactured by stamping a hot rolled plate with the thickness of 4.5mm, and can be directly used for stamping two stamping dies for one stamping of the buffer seat after blanking, forming and punching processes, and the processing steps are as follows:
Step 1: the stamping die for stamping two automobile driving rear axle buffer seats at one time is arranged on a 200T hydraulic press with single action and four columns;
Step 2: respectively placing two parts of prefabricated buffer seat after blanking, forming and punching processes in a left stamping lower die 11 and a right stamping lower die 11, and positioning an inner cavity of the workpiece by using an outer shape cavity of the stamping lower die 11;
Step 3: starting a press machine, enabling an upper template 1 to randomly run downwards on a workbench of a bed, leading an upper baffle plate 5 into a lower baffle plate 10 for reinforcement, then tightly blocking the side end face of a workpiece by the upper baffle plate 5, rigidly positioning the workpiece, continuously moving downwards along with an upper stamping die 6 until the lower surface of a balance column 8 contacts the upper surface of a lower die fixing plate 14, and completing the stamping process of the workpiece by the upper stamping die 6 and a lower stamping die 11 (namely, only stamping one edge of each of a left workpiece and a right workpiece is completed at the moment);
Step 4: after the stamping processing of one side of the workpiece, the upper sliding block of the press drives the upper half part of the die to return, two workpieces with one side just stamped in the upper working step are taken out, then the two workpieces are placed in the stamping lower die 11 again after one surface of each workpiece is turned over (namely, the workpiece is turned over by 180 degrees), and the inner cavity of the workpiece is positioned by the outline cavity of the stamping lower die 11;
Step 5: starting a press machine, enabling an upper template 1 to randomly run downwards on a workbench of a bed, leading an upper baffle plate 5 into a lower baffle plate 10 for reinforcement, then tightly blocking the side end face of a workpiece by the upper baffle plate 5, rigidly positioning the workpiece, continuously moving downwards along with an upper stamping die 6 until the lower surface of a balance column 8 contacts the upper surface of a lower die fixing plate 14, and completing an stamping process of the other side of the workpiece by the upper stamping die 6 and a lower stamping die 11 (namely, stamping of two sides of the left workpiece and the right workpiece is completed at the moment);
step 6: after the imprinting processing of the other edge of the workpiece, the upper sliding block of the press drives the upper half part of the die to return, and then the two imprinted workpieces (namely the workpiece with the imprinted edges) are taken out and placed into a material box;
step 7: and (5) repeating the operations from the step 2 to the step 6, and manufacturing the next two workpieces.
After the automobile driving rear axle buffer seat uses a one-time imprinting two-piece process and an imprinting mold, relevant imprinting and other dimensions are within a tolerance range. The traditional imprinting technology is that imprinting is carried out by an imprinting mold with a wedge structure is changed into imprinting by an imprinting mold with a universal structure, one product is imprinted at one time is changed into two products which are simultaneously imprinted at one time, the mold adopts an inner guide post and an inner guide sleeve which automatically correct the gap of the mold, a rigid baffle device (namely an upper baffle and a lower baffle), and a balance post and a lower die are additionally arranged at the upper die part, and a pull plate and the like are additionally arranged at the lower die part, so that the service life of the mold is prolonged by 6 times, the production cost is reduced, and the quality of a workpiece is stable. The automobile driving rear axle buffer seat can be continuously and stably ensured to meet the design requirement of a product drawing.
Claims (2)
1. An imprinting mold for imprinting two automobile driving rear axle buffer seats at one time comprises an upper mold and a lower mold, wherein the upper mold and the lower mold are respectively provided with an upper base plate (3), an upper fixing plate (4), a lower fixing plate (16) and a lower base plate (18), and is characterized in that the imprinting mold further comprises,
A stamping die which is divided into an upper stamping die (6) and a lower stamping die (11); the stamping lower die (11) is horizontally arranged in a fixed-shape cavity of the lower die fixing plate (14), a lower die side base plate (13) is arranged on the inner side of the lower die fixing plate (14), a lower die top plate (15) is arranged between a die body of the stamping lower die (11) and the lower base plate (18), and a shape cavity of the stamping lower die (11) is a positioning shape cavity of a workpiece inner cavity;
The side end face positioning device comprises an upper baffle (5) and a lower baffle (10), wherein the upper baffle (5) is guided into the lower baffle (10) in a sliding manner, the lower baffle (10) horizontally limits the upper baffle (5), then the upper baffle (5) tightly blocks the side end face of a workpiece, and the workpiece is rigidly positioned;
The balancing device comprises at least two balancing columns (8) on one side, the balancing columns (8) are arranged up and down correspondingly to the positions of the lower die fixing plates (14), and after the side end faces are positioned, when the lower surfaces of the balancing columns (8) are contacted with the upper surfaces of the lower die fixing plates (14), the stamping upper dies (6) and the stamping lower dies (11) finish stamping of workpieces;
And
The guide device comprises a middle guide device formed by an inner guide sleeve (7) and an inner guide pillar (17) and a side guide device formed by a guide sleeve (2) and a guide pillar (9), and the middle guide surface is perpendicular to the side guide surface;
Wherein, two sets of stamping dies, two sets of side end face positioning devices and two sets of balancing devices are symmetrically arranged on two sides of the middle guiding device respectively; one end of the upper baffle (5), the stamping upper die (6) and the middle guide device is connected with the upper backing plate (3) through an upper die fixing cavity of the upper fixing plate (4); the balance column (8) is connected with the upper fixing plate (4); the other ends of the lower baffle plate (10), the lower die top plate (15), the lower die fixing plate (14), the lower die side base plate (13) and the middle guide device are all arranged on the lower base plate (18) through a lower die fixing cavity of the lower fixing plate (16);
Two lower die top plates (15) which are arranged in parallel are arranged between the die body of the lower stamping die (11) and the lower base plate (18), the lower end surface of the lower stamping die (11) is contacted with the upper end surface of the lower die top plates (15), and the two lower die top plates (15) which are arranged in parallel form a workpiece abdication space;
The upper baffle (5) is of a plate-shaped structure with an introduction head, the introduction head faces the side face of the workpiece, the unilateral lower baffle (10) is two columnar baffles arranged front and back, and the upper baffle (5) is rigidly and fixedly connected with the upper fixed plate (4) and the lower baffle (10) and the lower fixed plate (16);
three balance columns (8) are arranged on one side of the balance device, three balance columns (8) which are uniformly arranged are symmetrically arranged on two sides of the middle of the upper fixing plate (4) respectively, and the arrangement direction of the three balance columns (8) is parallel to the middle guide surface;
The side guiding device is arranged at the front side of the processing station, and a pair of guide sleeves (2) and guide posts (9) are respectively arranged at the left end and the right end of the front side; the front and the back of the middle guiding device are provided with a pair of inner guide sleeves (7) and inner guide posts (17);
the double-sided clearance between the guide post (9) and the guide sleeve (2) is 0.14-0.16 mm, and the double-sided clearance between the inner guide post (17) and the inner guide sleeve (7) is 0.08-0.10 mm;
The lower die fixing plates (14) in the two sets of stamping dies are connected through two pull plates (12), the two pull plates (12) are connected to the front end face and the rear end face of the lower die fixing plates (14), and a yielding space of the middle guide device is formed between the two pull plates (12).
2. The embossing process of an embossing mold for embossing two automobile drive rear axle cushion at a time according to claim 1, wherein,
Step 1: mounting a stamping die for stamping two automobile drive rear axle buffer seats at a time on a 200T hydraulic press with single-action four columns;
Step 2: respectively placing two workpieces in the stamping lower dies (11) on the left side and the right side, and positioning the workpiece inner cavity by using the outer shape cavity of the stamping lower die (11);
Step 3: starting a press machine, enabling an upper template 1 to randomly run downwards on a workbench of a bed, leading an upper baffle plate (5) into a lower baffle plate (10) for reinforcement, then tightly blocking the side end face of a workpiece by the upper baffle plate (5), rigidly positioning the workpiece, continuously moving downwards along with an upper stamping die (6) until the lower surface of a balance column (8) contacts the upper surface of a lower die fixing plate (14), and completing a unilateral stamping process of two workpieces by the upper stamping die (6) and a lower stamping die (11);
Step 4: the upper sliding block of the press drives the upper half part of the die to return, two workpieces with one side just stamped in the upper working step are taken out, then the two workpieces are turned over by 180 degrees and are put in the stamping lower die (11) again, and the inner cavity of the workpiece is positioned by using the outer shape cavity of the stamping lower die (11);
step 5: starting a press machine, enabling an upper template 1 to randomly run downwards on a workbench of a bed, leading an upper baffle plate (5) into a lower baffle plate (10) for reinforcement, then tightly blocking the side end face of a workpiece by the upper baffle plate (5), rigidly positioning the workpiece, continuously moving downwards along with an upper stamping die (6) until the lower surface of a balance column (8) contacts the upper surface of a lower die fixing plate (14), and completing the stamping process of the other edge of the workpiece by the upper stamping die (6) and a lower stamping die (11);
Step 6: after the imprinting processing of the other edge of the workpiece, the upper sliding block of the press drives the upper half part of the die to return, and then the two imprinted workpieces are taken out and placed into a material box;
step 7: and (5) repeating the operations from the step 2 to the step 6, and manufacturing the next two workpieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271800.7A CN107755544B (en) | 2017-12-06 | 2017-12-06 | One-time imprinting two-piece process for automobile drive rear axle buffer seat, imprinting mold and imprinting process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271800.7A CN107755544B (en) | 2017-12-06 | 2017-12-06 | One-time imprinting two-piece process for automobile drive rear axle buffer seat, imprinting mold and imprinting process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107755544A CN107755544A (en) | 2018-03-06 |
| CN107755544B true CN107755544B (en) | 2024-04-19 |
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|---|---|---|---|
| CN201711271800.7A Active CN107755544B (en) | 2017-12-06 | 2017-12-06 | One-time imprinting two-piece process for automobile drive rear axle buffer seat, imprinting mold and imprinting process thereof |
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| CN107755544A (en) | 2018-03-06 |
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