CN107931427B - Punching and blanking progressive die for automobile driving rear axle oil baffle and processing technology thereof - Google Patents
Punching and blanking progressive die for automobile driving rear axle oil baffle and processing technology thereof Download PDFInfo
- Publication number
- CN107931427B CN107931427B CN201711271775.2A CN201711271775A CN107931427B CN 107931427 B CN107931427 B CN 107931427B CN 201711271775 A CN201711271775 A CN 201711271775A CN 107931427 B CN107931427 B CN 107931427B
- Authority
- CN
- China
- Prior art keywords
- die
- punching
- oil baffle
- blanking
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004080 punching Methods 0.000 title claims abstract description 121
- 230000000750 progressive effect Effects 0.000 title claims abstract description 33
- 238000005516 engineering process Methods 0.000 title claims description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 115
- 239000002131 composite material Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 105
- 239000000463 material Substances 0.000 claims description 45
- 238000009966 trimming Methods 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000010730 cutting oil Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a punching and blanking progressive die of an oil baffle of an automobile drive rear axle, which comprises an upper die and a lower die, wherein the upper die comprises an upper base plate and an upper fixing plate, the lower die comprises a lower base plate and a lower die plate, and further comprises a punching and blanking progressive die, a progressive positioning mechanism and a discharging mechanism, wherein the punching and blanking progressive die is a progressive die for side cutting, a punching male die, a blanking male die and a blanking punching cutting composite female die together form a first step of punching a fixed step side, a second step of punching and a third step of blanking progressive blanking cavity for manufacturing the oil baffle; the feeding positioning position and the feeding positioning groove in the positioning mechanism jointly realize continuous positioning of the feeding direction and continuous guiding of the left and right directions during punching and blanking of the oil baffle blank. The invention can synchronously finish three working procedures of cutting, punching and blanking in one working cycle, and can produce a finished product in one working cycle, thereby effectively improving the production efficiency, and ensuring regular appearance and stable strength performance of the product.
Description
Technical Field
The invention belongs to the field of machining equipment, and relates to an oil baffle punching and blanking progressive die, in particular to an automobile driving rear axle oil baffle punching and blanking progressive die.
Background
The oil baffle plate used in the main speed reducer of the automobile drive rear axle is used for being arranged on the end face of an oil slot hole in the main speed reducer of the rear axle, and has the main effects of preventing lubricating oil in an oil groove in the main speed reducer from flowing out, and playing roles of blocking and preventing the lubricating oil from overflowing.
The traditional production mode of the oil baffle plate is to carry out processing in three working procedures, firstly, a single-point plate shearing machine is adopted to carry out working procedure blanking processing, then a single-point press is adopted to carry out working procedure second blanking processing, and finally, a single-point press is adopted to carry out working procedure three punching processing. The traditional production process has the advantages of more working procedures, long production time, repeated material distribution among a plurality of devices, lower production efficiency, and incapability of meeting the assembly requirement due to the fact that the position degree of the small holes is out of tolerance relative to the appearance of the product due to the fact that the small holes are punched.
The invention designs the oil baffle punching blanking progressive die based on the optimization consideration of the production process in the prior art, can realize the first step punching fixed step side, the second step punching middle round hole and the third step punching product appearance in the same die, can synchronously finish three working procedures of cutting, punching and blanking of blanks in one working cycle, can produce a finished product in one working cycle, and can lead the appearance shape of the oil baffle to be regular and the strength performance to be stable, thus being very necessary by designing the punching blanking progressive die capable of meeting the production of the oil baffle, improving the stability of the product quality and the production efficiency of the product.
Disclosure of Invention
The invention aims to optimize the defects of the existing production process, adapt to the actual needs, and provide a punching blanking progressive die for an oil baffle of an automobile drive rear axle and a processing process thereof.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the punching and blanking progressive die for the oil baffle of the rear axle of the automobile comprises an upper die and a lower die, wherein the upper die comprises an upper base plate and an upper fixing plate, the lower die comprises a lower base plate and a lower die plate, the punching and blanking progressive die further comprises,
the punching and blanking progressive die comprises a punching male die in the upper die, a blanking male die, a side cutting male die and a blanking, punching and cutting composite female die in the lower die; according to the sequence of initial work in the feeding direction, a side cutting male die, a punching male die, a blanking male die and a blanking, punching and cutting composite female die jointly form a progressive blanking cavity for manufacturing an oil baffle plate, wherein the side cutting male die, the punching male die, the blanking male die and the blanking, punching and cutting composite female die are used for manufacturing the oil baffle plate in a first step, punching the side of a fixed step, punching in a second step and blanking in a third step;
the progressive positioning mechanism comprises a guide plate, a side cutting stop block and a jacking mechanism, the guide plate is arranged on the left side of the upper surface of the blanking, punching and cutting composite die according to the feeding direction, the side cutting stop block is arranged in the middle of the right end, the jacking mechanism is arranged at the right end of the feeding starting position, the starting end supporting plate is arranged at the feeding starting position, the jacking mechanism corresponds to the starting end supporting plate in position, the rear end of the side cutting stop block and the side cutting punch slide to form a side cutting starting position, and after each time of blanking side cutting corner materials, the side edge of the oil baffle blank forms a first-stage feeding positioning position; the right side of the guide plate, the left side of the side cutting stop block and the left side of the ejection mechanism form an oil baffle plate blank feeding positioning groove, and the feeding positioning position and the feeding positioning groove jointly realize continuous positioning of the feeding direction and continuous guide of the left and right directions when the oil baffle plate blank is punched and blanked;
and
And the unloading mechanism is arranged in the upper die and comprises an upper unloading optimal force adhesive and an upper unloading plate.
Further, the ejection mechanism comprises a lateral ejection block support, an ejection block spring and a lateral ejection block, the lateral ejection block support is arranged on the right side of the starting end supporting plate, a lateral ejection block spring and a lateral ejection block are arranged on the lateral ejection block support, and the ejection mechanism is used for feeding and positioning the oil baffle plate blank through the lateral ejection block; the lateral pushing block brings the lateral pushing block spring to enable the oil baffle blank to be in contact with the left side of the material guide plate more tightly due to the outward pushing force of compression deformation.
Further, the left lower corners of the lower surfaces of the upper template, the upper base plate and the upper fixing plate are provided with L-shaped round hole anti-reflection marks with the same orientation, and the left lower corners of the upper surfaces of the blanking punching cutting composite female die, the lower base plate and the lower template are provided with L-shaped round hole anti-reflection marks with the same orientation.
Further, three punching male dies are installed in the middle of the inside of the upper fixing plate and below the upper base plate through interference fit, one blanking male die is installed below the upper fixing plate through a bolt and a locating pin in a connecting mode, and one side cutting male die is installed below the upper fixing plate through a bolt and a locating pin in a connecting mode.
Further, go up stripper pass through four upper and lower and bilateral symmetry's spacing bolt fastening connection in the below of last fixed plate, go up stripper's unloading and give way the groove and all be clearance fit and upper and lower sliding connection with a side cutting terrace die, three punching terrace dies and a blanking terrace die, nine upper and lower and bilateral symmetry's upper unloading excellent power glues pass through bolt fastening connection in the centre of last fixed plate and upper stripper.
Further, the side pushing block is fixedly connected with the side pushing block support through a bolt, the side pushing block is horizontally placed on the upper surface of the starting end material supporting plate and is in sliding connection with each other, the side pushing block spring is fixedly connected between the side pushing block support and the side pushing block through a bolt, one end of the side pushing block spring is placed into a blind hole in the middle of the side pushing block and is in clearance fit, and the starting end material supporting plate is fixedly installed above a feeding starting position of the blanking punching cutting composite female die and a lower die plate through the bolt.
The invention has the beneficial effects that:
1. according to the processing technology method for punching the fixed step distance side edge, the second step punching middle round hole and the third step punching product appearance in the same pair of dies, the blank can synchronously finish three working procedures of cutting, punching and blanking in one working cycle, a finished product can be produced in one working cycle, and the production efficiency can be effectively improved;
2. the fixed step side is pre-punched in front of the punching and blanking station, and the structure for continuously guiding the product blank to be positioned is matched with the positioning stop block and the lateral pushing mechanism, so that the regular appearance shape and the stable strength performance of the oil baffle plate can be continuously and stably ensured;
3. according to the invention, the surfaces of all parts to be stacked and installed in the upper die and the lower die are processed into the L-shaped round hole anti-reverse mark structure with the same orientation, so that the occurrence of misoperation of reverse installation in the front-back direction and the up-down direction during die assembly can be effectively prevented.
Drawings
FIG. 1 is a schematic structural view of a punching blanking progressive die of the present invention;
FIG. 2 is a schematic top view of the lower die part of embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a front view structure of a workpiece after punching and blanking;
FIG. 4 is a schematic top view of a workpiece after punching and blanking;
fig. 5 is a schematic top view of the work side cutting, punching and blanking steps.
In the figure, a die shank 1, an upper die plate 2, a guide sleeve 3, an upper base plate 4, an upper fixing plate 5, a punching male die 6, an upper discharging optimal force adhesive 7, a blanking male die 8, an upper discharging plate 9, a guide post 10, a blanking punching cutting composite female die 11, a lower base plate 12, a lower die plate 13, an oil baffle 14, a side cutting stop block 15, side cutting corner pieces 16, side cutting male dies 17, a side pushing block support 18, a side pushing block spring 19, a side pushing block 20, a starting end supporting plate 21, an oil baffle blank 22 and a guide plate 23.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
examples: see fig. 1-5.
The utility model provides a car drive rear axle oil baffle blanking upgrades mould and processing technology thereof, includes mould and lower mould, go up the mould and from top to bottom including die shank 1, cope match-plate pattern 2, upper padding plate 4, upper fixed plate 5, punch a hole terrace die 6, blanking terrace die 8, side cutting terrace die 17, upper discharge excellent power glue 7 and upper discharge plate 9 of fastening connection in proper order, the lower mould is from top to bottom including compound die 11, lower bolster 12 and lower bolster 13 of cutting through punching a hole of fastening connection in proper order.
According to the sequence of initial work, a side cutting block 15 is arranged in the middle of the right side of the upper surface of the blanking, punching and cutting composite die 11, a guide plate 23 is arranged on the left side, a side pushing block support 18 is arranged on the right side of the initial end of the blanking, punching and cutting composite die 11, a starting end supporting plate 21 is arranged on the initial end, a side pushing block spring 19 and a side pushing block 20 are arranged on the side pushing block support 18, the side cutting punch 17 is arranged on the right side of the punching punch 6 and the right side of the blanking punch 8 near the initial end and is used for laterally trimming an oil baffle blank 22, continuous positioning of the feeding direction and continuous guiding of the left and right directions are conveniently realized at the subsequent punching and cutting stations, and the side cutting punch 17, the punching punch 6, the blanking punch 8 and the blanking, punching and cutting composite die 11 jointly form a progressive blanking cavity for manufacturing an oil baffle 14, wherein the first step is used for punching and cutting the fixed step, the second step and the third step is used for blanking.
The processing technique method for punching the fixed step distance side edge, the second step punching middle round hole and the third step punching product appearance in the same pair of dies can enable blanks to synchronously finish three working procedures of cutting, punching and blanking in one working cycle, can produce a finished product in one working cycle, and can effectively improve production efficiency.
A side cutting stop block 15 is arranged in the middle of the right side of the upper surface of the blanking, punching and cutting composite die 11, a guide plate 23 is arranged on the left side of the upper surface of the blanking, punching and cutting composite die 11, a side pushing block support 18 is arranged on the right side of the blanking, punching and cutting composite die 11, a side pushing block spring 19 and a side pushing block 20 are arranged above the side pushing block support 18, namely the rear end of the side cutting stop block 15 and the side cutting male die 17 slide to form a side cutting initial position, and after side trimming corner 16 is blanked each time, the side edge of an oil baffle blank 22 forms a first-stage feeding positioning position; the right side of the material guide plate 23 and the left side of the side cutting stop block 15 and the left side of the side pushing block 20 form an oil baffle blank 22 feeding positioning groove, and the feeding positioning position and the feeding positioning groove jointly realize continuous positioning of the feeding direction and continuous guiding of the left and right directions when the oil baffle blank 22 is punched and blanked. The structure for continuously guiding the product blank to be positioned by the fixed step side edge pre-punched in front of the punching and blanking station and the positioning stop block and the lateral pushing mechanism can continuously and stably ensure the regular appearance shape and stable strength performance of the oil baffle.
The left lower corners of the lower surfaces of the upper template 2, the upper base plate 4 and the upper fixing plate 5 are provided with L-shaped round hole anti-reflection marks with the same orientation, the left lower corners of the upper surfaces of the blanking punching cutting composite die 11, the lower base plate 12 and the lower template 13 are provided with L-shaped round hole anti-reflection marks with the same orientation, and the surfaces of all parts to be stacked and installed in the upper die and the lower die are processed into L-shaped round hole anti-reflection mark structures with the same orientation, so that reverse misoperation of front-back installation and up-down installation during die assembly can be effectively prevented.
A guide post and guide sleeve structure is arranged between the upper die and the lower die, the guide sleeve 3 is connected with the upper die plate 2 through interference fit, and the guide post 10 is connected with the lower die plate 13 through interference fit.
The die shank 1 and the upper die plate 2 are in interference fit, the upper base plate 4 is arranged below the upper die plate 2 through bolts and positioning pins, the upper fixing plate 5 is arranged below the upper base plate 4 through bolts and positioning pins, the three punching male dies 6 are arranged below the upper fixing plate 5 in the middle of the inside of the upper fixing plate 5 and below the upper base plate 4 through interference fit, the blanking male dies 8 are arranged in front of the three punching male dies 6 below the upper fixing plate 5 through bolts and positioning pins, the three punching male dies 6 are arranged in the middle position but in the front of the side cutting male dies 17, the one side cutting male dies 17 are arranged on the right side below the upper fixing plate 5 and in the rear of the three punching male dies 6 through bolts and positioning pins, the upper discharging plate 9 is fixedly connected below the upper fixing plate 5 through four front-rear and left-right symmetrical limit bolts, the discharging yielding grooves of the upper discharging plate 9 are in clearance fit with the one side cutting male dies 17, the three punching male dies 6 and the one discharging male dies 8 are connected in a sliding mode, and the upper discharging plate 9 is connected with the upper fixing plate 5 through the left-right side cutting male dies 7 in a sliding mode, and the upper discharging plate 9 is connected with the upper fixing plate 5 through the front of the upper fixing plate and the upper fixing plate through the left-right side cutting male dies.
The blanking, punching and cutting composite die 11 is fixedly arranged above the lower base plate 12 through bolts and positioning pins, the lower base plate 12 is fixedly arranged above the lower die plate 13 through bolts and positioning pins, the side cutting stop block 15 is fixedly arranged in the middle of the right side of the upper surface of the blanking, punching and cutting composite die 11 through bolts and positioning pins, the guide plate 23 is fixedly arranged on the left side of the upper surface of the blanking, punching and cutting composite die 11 through bolts, the side pushing block support 18 is fixedly arranged above the right starting end of the blanking, punching and cutting composite die 11 and the lower die plate 13 through bolts, the side pushing block 20 is fixedly arranged on the side pushing block support 18 through bolts and is horizontally arranged on the upper surface of the starting end support plate 21 and is in sliding connection with the upper surface of the starting end support plate 21, the side pushing block spring 19 is fixedly arranged in the middle of the side pushing block support 18 and the side pushing block 20 through bolts and one end of the side pushing block is placed in the middle of the side pushing block 20 and is in clearance fit, and the side pushing block support 21 is fixedly arranged on the blind hole of the starting end of the side pushing block support 21 and the upper end of the blanking, and the side pushing block support 21 is fixedly arranged on the starting end of the lower die plate 13 through bolts and the starting end support 21.
The working principle of the invention is briefly described as follows:
the oil baffle of the main speed reducer of the driving rear axle of the P31 diesel pick-up car type of Zhengzhou daily product is manufactured by stamping a cold-rolled sheet with the thickness of 1.0mm, and can be used for processing a punching blanking progressive die after a blanking process:
firstly, the punching and blanking progressive die for the automobile drive rear axle oil baffle is arranged on a single-point open type pneumatic 100T press.
Secondly, horizontally placing the oil baffle blank 22 on the upper surfaces of the blanking, punching and cutting composite die 11 and the starting end material supporting plate 21, enabling the left side of the oil baffle blank 22 to be in close contact with the right side surface of the material guiding plate 23, enabling the right side of the oil baffle blank 22 to be in close contact with the left side of the lateral material pushing block 20, enabling the oil baffle blank 22 to be in close contact with the material guiding plate 23 by the lateral material pushing block 20 due to outward thrust of compression deformation under the action of the material pushing block spring 19, and further moving the oil baffle blank 22 forward to enable the front end surface of the oil baffle blank 22 to be in close contact with the rear end surface of the lateral cutting stop block 15, so that lateral cutting positioning is completed;
thirdly, starting a press machine to punch the oil baffle blank 22, wherein a working platform and an upper die on the press machine move downwards, in the process, firstly, an upper discharging plate 9 is contacted with the oil baffle blank 22, then a side cutting male die 17 is contacted with the oil baffle blank 22 and continues to move downwards until the working platform on the press machine moves to a bottom dead center, so that the oil baffle blank 22 finishes the first step of side cutting the oil baffle blank 22 under the action between the side cutting male die 17 and a blanking punching cutting composite female die 11; the current working procedure is in a state shown as OP1O (first station) in FIG. 5;
fourth, the upper working platform and the upper die of the press return upwards, and then the oil baffle blank 22 is pushed forward, namely: the part of the oil baffle blank 22, on which the positioning side trimming is processed, enters a positioning cavity formed between the left side of the side cutting stop block 15 and the right side of the material guide plate 23 to be positioned, the front end part of the oil baffle blank 22 which is not subjected to side cutting is tightly contacted with the rear end surface of the side cutting stop block 15, and meanwhile, side cutting leftover materials 16 fall into a waste box arranged below a machine tool from a die and a machine tool leakage hole;
and fifthly, starting the press machine to punch the oil baffle blank 22, wherein the upper working platform and the upper die of the press machine move downwards, in the process, firstly the upper discharging plate 9 is contacted with the oil baffle blank 22, then the side cutting male dies 17 and the three punching male dies 6 are contacted with the oil baffle blank 22 successively and move downwards until the upper working platform of the machine moves to a bottom dead center, so that the oil baffle blank 22 completes the first step side cutting oil baffle blank 22 and the second step punching three fixed step holes under the action of the side cutting male dies 17, the punching male dies 6 and the blanking punching cutting composite female die 11, and the state of the current working procedure is shown as OP2O (second station) in fig. 5.
Step six, the working platform and the upper die on the press return upwards, and then the oil baffle blank 22 is pushed forwards, so that the part of the oil baffle blank 22 with the processed positioning side edge continuously enters a positioning cavity formed between the side cutting stop block 15 and the material guide plate 23, the front end part of the oil baffle blank 22 without side cutting is tightly contacted with the rear end surface of the side cutting stop block 15, and at the same time, the side cutting leftover materials 16 and punching waste materials fall from the die and a machine tool leakage hole into a waste material box arranged below the machine tool;
seventh, starting a press machine to punch the oil baffle blank 22, wherein the upper working platform and the upper die of the press machine move downwards, in the process, firstly the upper discharging plate 9 is contacted with the oil baffle blank 22, then the side cutting male die 17, the three punching male dies 6 and the blanking male die 8 are contacted with the oil baffle blank 22 successively and move downwards until the upper working platform of the press machine moves to a bottom dead center, so that the oil baffle blank 22 completes blanking molding punching of the first step side cutting oil baffle blank 22, the second step three fixed step holes and the third step product under the action of the side cutting male die 17, the punching male die 6, the blanking male die 8 and the blanking punching cutting composite female die 11; the formed oil baffle 14 is required to reach the length 46.1 mm, the width 52.6 mm, the outline circular arcs R8.0 mm and R5.5 mm, the inner diameter phi of a mounting round hole is 6.1 mm, the hole spacing is 35.1 mm, 41.5 mm, 2.6 mm and the hole edge distance is 5.5 mm, the structure of a workpiece is shown in fig. 3 and 4 after punching and blanking, and the state of the current working procedure is shown in OP3O (third working station) in fig. 5.
Eighth, the working platform and the upper die on the press return upwards, and then the oil baffle blank 22 is pushed forwards, so that the part of the oil baffle blank 22 with the positioning side edge processed continuously enters a positioning cavity formed between the side cutting stop block 15 and the material guide plate 23, and at the same time, the side cutting leftover material 16, the punching waste material and the oil baffle 14 fall from the die and the machine tool material leakage hole and fall into a waste material box and a material box arranged below the machine tool respectively.
The oil baffle manufactured by the punching and blanking progressive die for the oil baffle of the automobile drive rear axle has the advantages that the overall dimension of the oil baffle manufactured by the punching and blanking progressive die for the oil baffle of the automobile drive rear axle is stable at the length of 46.1 mm, the width of 52.6 mm, the external circular arc R8.0 mm, the external circular arc R5.5 mm, the internal diameter phi of an installation circular hole of 6.1 mm, the hole spacing of 35.1 mm, 41.5 mm, 2.6 mm and the hole margin of 5.5 mm, the consistency of the overall appearance of the product is regular, and the continuous and stable external dimension of the oil baffle can be ensured to meet the design requirement of a product drawing. The production capacity is improved while the product quality is improved, the production process of the oil baffle plate of the main speed reducer of the drive rear axle is very smooth and stable, the maintenance frequency of the punching blanking progressive die is obviously reduced compared with that of the die in the traditional process, and the service life of the die is obviously prolonged. The single-product single-shift capacity is improved from 6500 to 11000, and the single-shift capacity is improved by 69.2%.
Claims (3)
1. The punching and blanking progressive die of the automobile drive rear axle oil baffle comprises an upper die and a lower die, wherein the upper die comprises an upper die plate (2), an upper base plate (4) and an upper fixing plate (5), the lower die comprises a lower base plate (12) and a lower die plate (13), and is characterized in that the punching and blanking progressive die further comprises,
the punching and blanking progressive die comprises a punching male die (6), a blanking male die (8), a side cutting male die (17) and a blanking, punching and cutting composite female die (11) in a lower die; according to the sequence of initial work in the feeding direction, a side cutting male die (17), a punching male die (6), a blanking male die (8) and a blanking, punching and cutting composite female die (11) together form a progressive blanking cavity for manufacturing an oil baffle plate (14), wherein the first step is used for punching the side edge with a fixed step distance, the second step is used for punching, and the third step is used for blanking;
the progressive positioning mechanism comprises a guide plate (23), a side cutting stop block (15) and a jacking mechanism, the left side of the upper surface of the blanking, punching and cutting composite die (11) is provided with the guide plate (23) according to the feeding direction, the middle position of the right end is provided with the side cutting stop block (15), the right end of the feeding starting position is provided with the jacking mechanism, the feeding starting position is provided with a starting end supporting plate (21), the jacking mechanism corresponds to the starting end supporting plate (21), the rear end of the side cutting stop block (15) and the side cutting male die (17) slide to form a side cutting starting position, and after each time of blanking side trimming corner materials (16), the side edge of the oil baffle blank (22) forms a primary feeding positioning position; the right side of the guide plate (23) and the left side of the side cutting stop block (15) and the left side of the ejection mechanism form an oil baffle blank (22) feeding positioning groove, and the feeding positioning position and the feeding positioning groove jointly realize continuous positioning of the feeding direction and continuous guide of the left and right directions when the oil baffle blank (22) is punched and blanked;
the unloading mechanism is arranged in the upper die and comprises an upper unloading optimal force adhesive (7) and an upper unloading plate (9);
the material pushing mechanism comprises a lateral material pushing block support (18), a material pushing block spring (19) and a lateral material pushing block (20), the lateral material pushing block support (18) is arranged on the right side of a starting end material supporting plate (21), a lateral material pushing block spring (19) and a lateral material pushing block (20) are arranged on the lateral material pushing block support (18), and the material pushing mechanism is used for feeding and positioning an oil baffle blank (22) through the lateral material pushing block (20); the lateral pushing block (20) brings the lateral pushing block spring (19) to enable the oil baffle blank (22) to be in contact with the left side of the material guide plate (23) more tightly due to the outward pushing force of compression deformation;
the left lower corners of the lower surfaces of the upper template (2), the upper base plate (4) and the upper fixing plate (5) are provided with L-shaped round hole anti-reflection marks with the same orientation, and the left lower corners of the upper surfaces of the blanking punching cutting composite die (11), the lower base plate (12) and the lower template (13) are provided with L-shaped round hole anti-reflection marks with the same orientation;
three punching male dies (6) are arranged in the middle of the inside of the upper fixing plate (5) and below the upper base plate (4) through interference fit, one blanking male die (8) is arranged below the upper fixing plate (5) through a bolt and a locating pin, and one side cutting male die (17) is arranged below the upper fixing plate (5) through a bolt and a locating pin;
the upper discharging plate (9) is fixedly connected to the lower portion of the upper fixing plate (5) through four limiting bolts which are vertically and bilaterally symmetrical, a discharging yielding groove of the upper discharging plate (9) is in clearance fit and vertically and slidably connected with one side cutting male die (17), three punching male dies (6) and one blanking male die (8), and nine upper discharging excellent force glue (7) which are vertically and bilaterally symmetrical are fixedly connected to the middle of the upper fixing plate (5) and the upper discharging plate (9) through bolts.
2. The punching and blanking progressive die for the oil baffle of the automobile rear axle according to claim 1, wherein the lateral pushing block (20) is fixedly connected with the lateral pushing block support (18) through bolts, the lateral pushing blocks (20) are horizontally placed on the upper surface of the starting end material supporting plate (21) and are connected with each other in a sliding mode, the lateral pushing block springs (19) are fixedly connected between the lateral pushing block support (18) and the lateral pushing block (20) through bolts, one ends of the lateral pushing blocks are placed into blind holes in the middle of the lateral pushing block (20) and are in clearance fit, and the starting end material supporting plate (21) is fixedly installed above a feeding starting position of the blanking, punching and cutting composite die (11) and the lower die plate (13) through the bolt connection.
3. A processing technology of a punching blanking progressive die of an oil baffle of an automobile drive rear axle is characterized in that,
firstly, punching and blanking progressive dies of an oil baffle of a rear axle of an automobile, and installing the dies on a press;
secondly, horizontally placing an oil baffle blank (22) on the upper surfaces of a blanking punching cutting composite die (11) and a starting end material supporting plate (21), enabling the left side of the oil baffle blank (22) to be in close contact with the right side surface of a material guiding plate (23), enabling the right side of the oil baffle blank (22) to be in close contact with the left side of a lateral pushing block (20), enabling the oil baffle blank (22) to be in close contact with the material guiding plate (23) due to outward thrust of compression deformation under the action of a pushing block spring (19), and further moving the oil baffle blank (22) forwards to enable the front end surface of the oil baffle blank (22) to be in close contact with the rear end surface of a lateral cutting stop block (15), so that lateral cutting positioning is completed;
thirdly, starting a press machine to punch the oil baffle blank (22), wherein a working platform and an upper die on the press machine move downwards, in the process, firstly, an upper discharging plate (9) is contacted with the oil baffle blank (22), then, a side cutting male die (17) is contacted with the oil baffle blank (22) and moves downwards continuously until the working platform on the machine tool moves to a bottom dead center, so that the oil baffle blank (22) finishes the first step of side cutting of the oil baffle blank (22) under the action between the side cutting male die (17) and a blanking, punching and cutting composite female die (11);
fourthly, the upper working platform and the upper die of the press return upwards, and then the oil baffle blank (22) is pushed forward, namely: the part of the oil baffle blank (22) which is processed to locate the side trimming is positioned in a locating cavity formed between the left side of a side trimming stop block (15) and the right side of a stock guide plate (23), the front end part of the oil baffle blank (22) which is not subjected to side trimming is tightly contacted with the rear end surface of the side trimming stop block (15), and meanwhile, side trimming corner materials (16) fall into a waste box arranged below a machine tool from a die and a machine tool leakage hole;
step five, starting a press machine to punch the oil baffle blank (22), wherein a working platform and an upper die on the press machine move downwards, in the process, firstly an upper discharging plate (9) is contacted with the oil baffle blank (22), then a side cutting male die (17) and three punching male dies (6) are contacted with the oil baffle blank (22) in sequence and move downwards continuously until the working platform on the press machine moves to a bottom dead center, so that the oil baffle blank (22) completes three fixed step distance holes by a first step of side cutting the oil baffle blank (22) and a second step of side cutting under the action of the side cutting male die (17), the punching male dies (6) and the blanking punching cutting composite female die (11);
a working platform and an upper die on the press return upwards, and then the oil baffle blank (22) is pushed forwards, so that the part of the oil baffle blank (22) with the processed positioning side edge continuously enters a positioning cavity formed between a side cutting stop block (15) and a material guide plate (23), the front end part of the oil baffle blank (22) which is not subjected to side cutting is tightly contacted with the rear end surface of the side cutting stop block (15), and at the same time, side trimming corner materials (16) and punching waste materials fall from a die and a machine tool leakage hole into a waste box arranged below a machine tool;
seventh, starting a press machine to punch the oil baffle blank (22), wherein the upper working platform and the upper die of the press machine move downwards, in the process, firstly the upper discharging plate (9) is contacted with the oil baffle blank (22), then the side cutting male die (17), the three punching male dies (6) and the blanking male die (8) are contacted with the oil baffle blank (22) in sequence and move downwards until the upper working platform of the press machine moves to a bottom dead center, so that the oil baffle blank (22) completes blanking forming and punching of the first-step side cutting oil baffle blank (22), the second-step punching three fixed-step holes and the third-step product under the action of the side cutting male die (17), the punching male die (6), the blanking male die (8) and the blanking punching and cutting composite female die (11);
eighth step, the upper working platform and the upper die of the press return upwards, and then the oil baffle blank (22) is pushed forwards, so that the part of the oil baffle blank (22) with the processed positioning side edge continuously enters a positioning cavity formed between the side cutting stop block (15) and the material guide plate (23), and at the same time, side trimming corner materials (16), punching waste materials and the oil baffle (14) fall from the die and the machine tool material leakage hole at the same time and fall into a waste box and a material box which are arranged below the machine tool respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271775.2A CN107931427B (en) | 2017-12-06 | 2017-12-06 | Punching and blanking progressive die for automobile driving rear axle oil baffle and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271775.2A CN107931427B (en) | 2017-12-06 | 2017-12-06 | Punching and blanking progressive die for automobile driving rear axle oil baffle and processing technology thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107931427A CN107931427A (en) | 2018-04-20 |
| CN107931427B true CN107931427B (en) | 2023-08-15 |
Family
ID=61944889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711271775.2A Active CN107931427B (en) | 2017-12-06 | 2017-12-06 | Punching and blanking progressive die for automobile driving rear axle oil baffle and processing technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107931427B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976621A (en) * | 2019-10-28 | 2020-04-10 | 南京瀚孚机械有限公司 | Stamping equipment for stamping dense-row holes |
| CN112246975B (en) * | 2020-09-28 | 2022-08-30 | 中原利达铁路轨道技术发展有限公司 | Automatic composite stamping production line |
| CN113351746A (en) * | 2021-05-27 | 2021-09-07 | 卡斯马汽车系统（重庆）有限公司 | Method and production line for one-step molding of multiple blanking pieces |
| CN113399539B (en) * | 2021-06-16 | 2022-12-13 | 上海新力动力设备研究所 | A Blanking Die for Blocking Cover of Nozzle of Solid Rocket Motor |
| CN114226559A (en) * | 2021-12-20 | 2022-03-25 | 江西江铃底盘股份有限公司 | Overlap-free punching and cutting progressive die for automobile rear brake shoe cover plate and machining process of overlap-free punching and cutting progressive die |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284558A (en) * | 2011-08-01 | 2011-12-21 | 天津市津兆机电开发有限公司 | Step pitch detection method and device for punching continuous die |
| CN203992006U (en) * | 2014-07-23 | 2014-12-10 | 长沙波隆机械制造有限公司 | A kind of V-type stiffener blanking and punching continuous mould |
| CN104624808A (en) * | 2015-02-10 | 2015-05-20 | 安徽鑫龙电器股份有限公司 | Female die for high-voltage cabinet part production and method for producing high-voltage cabinet parts |
| CN205147028U (en) * | 2015-10-23 | 2016-04-13 | 天津世亚模具有限公司 | Quick positioning mechanism of mould upgrades |
| CN106040828A (en) * | 2016-08-12 | 2016-10-26 | 江西江铃底盘股份有限公司 | Punching and blanking progressive die for automobile drive axle locking washer and machining method of punching and blanking progressive die |
| CN107243548A (en) * | 2017-06-20 | 2017-10-13 | 柳州展菱机械有限公司 | Left and right brake-pedal support plate progressive die |
| CN208131777U (en) * | 2017-12-06 | 2018-11-23 | 江西江铃底盘股份有限公司 | A kind of Automobile drive rear axle oil baffle punching and blanking progressive die |
-
2017
- 2017-12-06 CN CN201711271775.2A patent/CN107931427B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284558A (en) * | 2011-08-01 | 2011-12-21 | 天津市津兆机电开发有限公司 | Step pitch detection method and device for punching continuous die |
| CN203992006U (en) * | 2014-07-23 | 2014-12-10 | 长沙波隆机械制造有限公司 | A kind of V-type stiffener blanking and punching continuous mould |
| CN104624808A (en) * | 2015-02-10 | 2015-05-20 | 安徽鑫龙电器股份有限公司 | Female die for high-voltage cabinet part production and method for producing high-voltage cabinet parts |
| CN205147028U (en) * | 2015-10-23 | 2016-04-13 | 天津世亚模具有限公司 | Quick positioning mechanism of mould upgrades |
| CN106040828A (en) * | 2016-08-12 | 2016-10-26 | 江西江铃底盘股份有限公司 | Punching and blanking progressive die for automobile drive axle locking washer and machining method of punching and blanking progressive die |
| CN107243548A (en) * | 2017-06-20 | 2017-10-13 | 柳州展菱机械有限公司 | Left and right brake-pedal support plate progressive die |
| CN208131777U (en) * | 2017-12-06 | 2018-11-23 | 江西江铃底盘股份有限公司 | A kind of Automobile drive rear axle oil baffle punching and blanking progressive die |
Non-Patent Citations (1)
| Title |
|---|
| 蒋康保.汽车后桥挡油板冲孔落料复合模设计.锻压装备与制造技术.2016,第51卷(第02期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107931427A (en) | 2018-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107931427B (en) | Punching and blanking progressive die for automobile driving rear axle oil baffle and processing technology thereof | |
| CN110695205B (en) | Blanking-punching-flanging-deep drawing composite die and composite process for automobile rear axle flange dust cover | |
| CN106040828B (en) | A kind of automobile drive axle locking packing ring punching and blanking progressive die and its processing method | |
| CN109248956B (en) | Floating cantilever type punching die and punching process for automobile driving rear axle brake support | |
| CN104826938A (en) | Automobile tray bearing nut locking gasket blanking-molding-punching composite die and process thereof | |
| CN208131777U (en) | A kind of Automobile drive rear axle oil baffle punching and blanking progressive die | |
| CN109013902B (en) | Scrap-forming composite die and composite process for automobile driving rear axle oil baffle disc without scrap edge | |
| CN105903818B (en) | A kind of this forming die of automobile drive axle housing | |
| CN103894475B (en) | Automobile drive axle U-shaped guide rod seat side opening punching die | |
| CN203887014U (en) | Punching die of side hole of U-shaped guide bar seat of automobile drive axle | |
| CN221246647U (en) | Automatic blanking-punching-bending composite die for automobile electric drive rear axle U-shaped bracket belt material ejector | |
| CN222902339U (en) | Mechanical equipment for continuously stamping handle seat frame of door handle | |
| CN207606175U (en) | A kind of rear axle oil baffle punching and blanking processing mold | |
| CN206882566U (en) | A kind of car drive front axle main reducing gear oil baffle punching and blanking progressive die | |
| CN216397751U (en) | Automobile rear axle control rod support forming die | |
| CN109013872B (en) | Manufacturing process of elastic spacer bush of automobile front axle | |
| CN215467411U (en) | Rotary cutting die for sleeve for automobile chassis | |
| CN111872227A (en) | Forming process and forming die for beam parts | |
| CN109351863B (en) | Automobile driving rear axle brake dust cover composite die and composite process | |
| CN202079163U (en) | Automatic three-in-one stamping die for automotive box piece | |
| CN205732545U (en) | The automatic riveting in the die mould of riveting contact | |
| CN117225970A (en) | A kind of die drawing and molding edge ring pressing force transfer mechanism | |
| CN210648040U (en) | A multi-position transfer mold for water inlet of automobile radiator | |
| CN202070674U (en) | Reverse cutting and punching composite die for rail chain link | |
| CN210172333U (en) | Production of auto radiator mainboard is with cutting material forming die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |