CN111496089A - Aluminum alloy bumper end profiling mold - Google Patents
Aluminum alloy bumper end profiling mold Download PDFInfo
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- CN111496089A CN111496089A CN202010341385.3A CN202010341385A CN111496089A CN 111496089 A CN111496089 A CN 111496089A CN 202010341385 A CN202010341385 A CN 202010341385A CN 111496089 A CN111496089 A CN 111496089A
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- core
- profiling
- spring
- fixedly connected
- supporting block
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an aluminum alloy bumper end die mould, includes die mould device and core device, and the core device is equipped with core power cylinder, core seat, connecting rod and core subassembly, and the core subassembly includes core body, spring and die mould supporting shoe, and core power cylinder fixes on the core seat, core power cylinder piston rod rigid coupling connecting rod one end, connecting rod other end rigid coupling core body, is equipped with the spring groove on the core body, and the one end that the connecting rod was kept away from to the core body is equipped with the open slot, the spring is located the spring groove, and first round pin axle is connected to spring one end, and first round pin axle is articulated with the spring groove, and the second round pin axle is connected to the spring other end, and the second round pin axle is articulated with the die mould supporting shoe, and die mould supporting shoe. By adopting the invention, the bumper can achieve the expected forming effect by supporting the inner cavity forming surface by the core device in the profiling process, the rebound phenomenon of a product piece is eliminated or reduced, the welding process requirement is ensured, and the product quality is improved.
Description
Technical Field
The invention relates to a die for deformation processing, in particular to a profiling die for an end of an aluminum alloy bumper.
Background
The aluminum alloy bumper is manufactured by straight bar section bars through processes of stretch bending, saw cutting, profiling, welding and the like. A kind of common aluminum alloy bumper is provided with 1-3 cavities separated by vertical ribs. In the processing process of the bumper, notches are cut at two ends of the bumper in a sawing mode, then the two ends of the bumper are pressed into the shape of the end meeting the requirement through a pressing die, and the notches are welded after pressing. The existing profiling mold is not provided with a core, because the end of a profiled product piece deforms, and the core cannot be drawn out of a cavity of the product piece, so that the core can only be directly profiled without a core. The problems of the traditional profiling mode are as follows: the product piece die mould position is the state of bending, lacks the arc changeover portion, and material self is obvious through the resilience after the die mould, very easily causes the die mould back about the incision face clearance great, can not satisfy welding process demand, influences welding quality. Therefore, a proper mold is required to be designed to reduce the forming clearance and meet the requirements of the welding process.
Disclosure of Invention
The invention aims to provide an aluminum alloy bumper end profiling mold which can reduce gaps after profiling and ensure welding quality.
The problem of the invention is realized by the following technical scheme:
a profiling die for the end of an aluminum alloy bumper comprises a lower template, a profiling device and a core device, wherein the profiling device is arranged on the lower template, the core device is arranged on the lower template and corresponds to the profiling device, the core device is provided with a core power cylinder, a core seat, a connecting rod and a core assembly, the core assembly comprises a core body, a spring and a profiling supporting block, the core power cylinder is fixed on the core seat, a piston rod of the core power cylinder is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected with the core body, the core body is provided with a spring groove, one end of the core body, which is, the spring is located in the spring groove, one end of the spring is connected with the first pin shaft, the first pin shaft is hinged with the spring groove, the other end of the spring is connected with the second pin shaft, the second pin shaft is hinged with the profiling supporting block, the top surface of the profiling supporting block is a profiling supporting surface, and the lower portion of the profiling supporting block is inserted into the open slot and is hinged with the front end of the core body through the third pin shaft.
Above-mentioned aluminum alloy bumper end die mould, core subassembly is one set at least, and the cover number of core subassembly corresponds with the cavity figure of the bumper of processing, and when core subassembly exceeded one set, each core body parallel arrangement left the clearance that holds the product spare and erect the muscle between the adjacent core body.
According to the aluminum alloy bumper end profiling die, the core seat is provided with the guide rail, the bottom of the connecting rod is connected with the sliding block, and the sliding block is in sliding fit with the guide rail; the lower die plate is provided with a first supporting block and a second supporting block, the core seat is fixedly connected with the first supporting block through a bolt, the second supporting block is provided with an arc-shaped groove, and the bolt penetrates through the arc-shaped groove to fixedly connect the core seat with the second supporting block.
In the aluminum alloy bumper end profiling die, the profiling supporting surface of each profiling supporting block is matched with the profile of the profiling bending part of the product piece; and the feeding end and the discharging end of the profiling supporting block are respectively provided with an arc transition chamfer.
The profiling device comprises an upper template, an upper die base, a profiling upper die, a pressure plate, a wedge and a wedge base, wherein the upper template is fixedly connected with the upper die base; the two symmetrically arranged wedge seats are fixedly connected with the upper template, and each wedge seat is fixedly connected with a wedge; the profiling device is also provided with a profiling lower die, a baffle, wedge baffles and side pressure plates, the profiling lower die is fixed with the lower template, the baffle is fixed with the lower template, the two wedge baffles are symmetrically arranged, the two wedge baffles are fixedly connected with the lower template and the baffle, the two side pressure plates are symmetrically arranged, and each side pressure plate is elastically connected with the corresponding side pressure plate through a second unloading screw and a second reset spring.
Above-mentioned aluminum alloy bumper end die mould device still is equipped with guide pillar and guide pin bushing, and the guide pillar rigid coupling cope match-plate pattern, guide pin bushing rigid coupling lower bolster, the guide pillar correspond the guide pin bushing and with guide pin bushing sliding fit.
Above-mentioned aluminum alloy bumper end die mould device still is equipped with upper limit post, the lower limit post that corresponds from top to bottom, and upper limit post is fixed with the cope match-plate pattern, and lower limit post is fixed with the lower bolster.
The invention is designed for solving the problem of compression and rebound of the end of the aluminum alloy bumper. The mould comprises a profiling device and a core device, wherein a core component of the core device penetrates into the end of the product under the action of a core oil cylinder in the profiling process, and a profiling supporting block arranged on a core body plays a role in supporting the forming surface of an inner cavity of the product, so that the bending part of the profiled product is an arc transition section; and then the core body moves reversely, the profiling supporting block automatically turns to the horizontal direction under the action of the workpiece force in the process of drawing the core body, so that the core can be smoothly drawn out, and the supporting block naturally turns to the vertical direction under the action of the spring tension after the core is drawn out. By adopting the product part profiling process, the core device supports the product part inner cavity forming surface, the expected forming effect can be achieved, the rebound phenomenon of the product part is eliminated or reduced, the welding process requirement is ensured, and the product quality is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the profiling apparatus;
FIG. 3 is a schematic representation of the working state of the present invention;
FIG. 4 is a schematic illustration of a single cavity bumper tip prior to profiling;
FIG. 5 is a schematic illustration of a single cavity bumper tip after profiling;
FIG. 6 is a schematic view of a core assembly for a single cavity bumper end tooling;
FIG. 7 is a schematic illustration of a dual cavity bumper tip prior to profiling;
FIG. 8 is a schematic illustration of a dual cavity bumper tip after compression molding;
FIG. 9 is a schematic illustration of a core assembly for a dual cavity bumper head tooling;
FIG. 10 is a schematic illustration of a three cavity bumper tip prior to profiling;
FIG. 11 is a schematic illustration of a three cavity bumper tip after profiling;
FIG. 12 is a schematic view of a core assembly for a three cavity bumper head tooling.
The reference numbers in the figures are: 1. the device comprises an upper template, 2, a first unloading screw, 3, a first return spring, 4, an upper die base, 5, a wedge, 6, a wedge base, 7, a lower limiting column, 8, a lower template, 9, an upper limiting column, 10, a wedge baffle, 11, a pressure plate, 12, a side pressure plate, 13, a profiling lower die, 14, a baffle, 15, a second unloading screw, 16, a second return spring, 17, a profiling upper die, 18, a guide rail, 19, a sliding block, 20, a guide pillar, 21, a guide sleeve, 22, a core body, 22-1, a spring groove, 22-2, an open groove, 23, a first pin shaft, 24, a spring, 25, a profiling supporting block, 26, a second pin shaft, 27, a third pin shaft, 28, a core base, 29, a core power oil cylinder, 30, a connecting rod, 31, a first supporting block, 32, a second supporting block, 32-1, an arc-shaped groove, 33 and a bumper.
Detailed Description
Referring to fig. 1-3 and 6, the present invention includes a lower platen 8 on which a profiling means is provided for profiling the end of the bumper 33. The bumper profiling device is also provided with a core device, the core device is arranged on the lower template, the position of the core device corresponds to that of the profiling device, and the core device is used for supporting and forming the profiling position of the bumper in the profiling process. The core means is provided with a core power cylinder 29, a core seat 28, a connecting rod 30 and a core assembly comprising a core body 22, a spring 24 and a profiled support block 25. The core power cylinder is used for driving the core body to penetrate into or withdraw from the cavity of the bumper. The core power cylinder is fixed on the core seat, a piston rod of the core power cylinder is fixedly connected with one end of a connecting rod, and the other end of the connecting rod is fixedly connected with the core body. The core body is provided with a spring groove 22-1 for accommodating the spring, and one end of the core body, which is far away from the connecting rod, is provided with an open groove 22-2. The spring is positioned in the spring groove, one end of the spring is connected with a first pin shaft 23, and the first pin shaft is hinged with the spring groove; the other end of the spring is connected with a second pin shaft 26, the second pin shaft is hinged with a profiling supporting block, the top surface of the profiling supporting block is a profiling supporting surface, and the lower part of the profiling supporting block is inserted into the open slot and is hinged with the open slot part at the front end of the core body through a third pin shaft 27. The core seat is provided with a guide rail 18, the bottom of the connecting rod is connected with a slide block 19, and the slide block is in sliding fit with the guide rail so as to ensure the smooth operation of the core body. In order to meet the profiling angles of different bumpers, the angle of the core seat can be adjusted relative to the lower template. Two first supporting blocks 31 and two second supporting blocks 32 are arranged on the lower template, and the core seat is fixedly connected with the first supporting blocks through bolts; the second supporting block is provided with an arc-shaped groove 32-1, and a bolt penetrates through the arc-shaped groove to fixedly connect the core seat with the second supporting block. When the angle of the core seat is adjusted, the spiral penetrating through the first supporting block and the second supporting block is loosened, the angle of the core seat relative to the lower template is adjusted by taking the spiral at the position of the first supporting block as an angle adjustment center of the core seat, and the spiral penetrating through the first supporting block and the second supporting block is screwed after the adjustment is proper. The profiling supporting surface of the profiling supporting block is matched with the profile of the profiling bending part of the product part; the feeding end and the discharging end of the profiling supporting block are respectively provided with an arc transition chamfer so that the profiling supporting block can smoothly penetrate into and draw out of the cavity of the bumper.
At least one set of core components is arranged, and the number of the sets of the core components corresponds to the number of the cavities of the processed bumper. When the core components exceed one set, all the core bodies are arranged in parallel, and gaps for accommodating the vertical ribs of the product parts are reserved between the adjacent core bodies. Fig. 4 and 5 are schematic views of the front and rear of a single cavity bumper end molding, and fig. 6 is a schematic view of a core assembly for a single cavity bumper end molding. Fig. 7 and 8 are schematic views of the front and rear of the dual cavity bumper end molding, and fig. 9 is a schematic view of a core assembly for the dual cavity bumper end molding. FIGS. 10 and 11 are schematic views of the front and rear of a three cavity bumper end molding, and FIG. 12 is a schematic view of a core assembly for a three cavity bumper end molding.
Referring to fig. 1 and 2, the profiling device comprises an upper template 1, an upper die base 4, a profiling upper die 17, a pressure plate 11 and a wedge 5 and a wedge base 6. The upper die plate is fixedly connected with an upper die base, and the upper die base is fixedly connected with a profiling upper die. The pressure flitch is connected with the cope match-plate pattern through first screw of unloading, and the upper die base is equipped with the via hole, and first screw of unloading passes the upper die base and with via hole sliding fit. A first reset spring 3 is arranged between the pressure plate and the upper die plate, the first reset spring is arranged in a reset spring hole, and the upper end and the lower end of the reset spring are respectively in contact with the pressure plate and the upper die plate. When the mould is closed, the pressure plate compresses the product, and when the mould is opened, the pressure plate and the upper mould plate are spread by the reset spring. The two symmetrically arranged wedge seats are fixedly connected with the upper template, each wedge seat is fixedly connected with a wedge, and the wedges move up and down along with the upper template. The profiling device is also provided with a profiling lower die 13, a baffle 14, a wedge baffle 10 and a side pressure plate 12. The profiling lower die is fixed with the lower die plate, the baffle is fixed with the lower die plate, the two wedge baffles are symmetrically arranged and fixedly connected with the lower die plate and the baffle, the two side pressure plates are symmetrically arranged, and each side pressure plate is elastically connected with the corresponding side pressure plate through a second discharging screw 15 and a second reset spring 16. When the inclined wedge moves downwards, the inclined wedge is guided by the inclined wedge baffle to move downwards, the inclined wedge pushes the side pressing plate, and the product piece is clamped by two sides under the guiding action of the baffle. The wedge baffle is provided with a through hole, a second reset spring 16 is sleeved on a second unloading screw 15, the second unloading screw penetrates through the through hole of the wedge baffle to be fixedly connected with the side pressure plate, and when the mold is opened, the second reset spring resets to pull the side pressure plate to return. The profiling device is also provided with a guide post 20 and a guide sleeve 21, and the guide post and the guide sleeve play a role in guiding the upper die plate to move up and down. The guide pillar is fixedly connected with the upper template, the guide sleeve is fixedly connected with the lower template, and the guide pillar corresponds to the guide sleeve and is in sliding fit with the guide sleeve. The profiling device is also provided with an upper limiting column 9 and a lower limiting column 7 which correspond up and down, the upper limiting column is fixed with the upper template, and the lower limiting column is fixed with the lower template. After the upper die is pressed down, the limiting columns play a role in limiting the position of the profiling upper die.
The working process of the invention is as follows: when the mold is opened, the bumper is placed on the profiling lower mold, and the profiling supporting block is in an upright state; the core power oil cylinder acts to push the profiling supporting block to enter the cavity of the bumper and correspond to the profiling part of the bumper; the profiling device acts, the upper die plate moves downwards, the tapered wedges push the pressing plates on the two sides to clamp the product piece on the two sides, the pressing plates press the product piece on the upper part, then the profiling upper die is contacted with the product piece to complete the profiling action, and at the moment, the end of the bumper is flattened, and the opening is reduced; the core power oil cylinder drives the core body to move reversely, and the profiling supporting block is overturned to be in a state of being flush with the core body under the action of the bumper in the withdrawing process, so that the profiling supporting block can be drawn out of the cavity of the bumper; after the core body is completely drawn out, the profiling supporting block is turned over to be in an upright state under the action of the spring; and opening the mold, and taking out the product piece to complete the primary profiling process.
The profiling device and the core device can also be symmetrically arranged, and the profiling of the end heads at the two sides of the bumper can be completed at one time.
Claims (7)
1. The utility model provides an aluminum alloy bumper end die mould device, its characterized in that is set up on the lower bolster including lower bolster (8): the core device is arranged on the lower template and corresponds to the profiling device, the core device is provided with a core power cylinder (29), a core seat (28), a connecting rod (30) and a core assembly, the core assembly comprises a core body (22), a spring (24) and a profiling supporting block (25), the core power cylinder is fixed on the core seat, a piston rod of the core power cylinder is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected with the core body, the core body is provided with a spring groove (22-1), one end of the core body, far away from the connecting rod, is provided with an open groove (22-2), the spring is located the spring groove, and first round pin axle (23) is connected to spring one end, and first round pin axle is articulated with the spring groove, and the spring other end is connected second round pin axle (26), and second round pin axle is articulated with the die mould supporting shoe, and the top surface of die mould supporting shoe is the die mould supporting surface, and the die mould supporting shoe lower part inserts in the open slot and articulates with the front end of core body through third round pin axle (27).
2. The aluminum alloy bumper end profiling mold according to claim 1, wherein: the core assembly is at least one set, the number of the core assembly sets corresponds to the number of the processed cavities of the bumper (33), when the core assembly exceeds one set, the core bodies are arranged in parallel, and a gap for accommodating a vertical rib of a product part is reserved between the adjacent core bodies.
3. The aluminum alloy bumper end profiling mold according to claim 2, wherein: a guide rail (18) is arranged on the core seat, the bottom of the connecting rod is connected with a sliding block (19), and the sliding block is in sliding fit with the guide rail; the lower template is provided with a first supporting block (31) and a second supporting block (32), the core seat is fixedly connected with the first supporting block through a bolt, the second supporting block is provided with an arc-shaped groove (32-1), and the bolt penetrates through the arc-shaped groove to fixedly connect the core seat with the second supporting block.
4. The aluminum alloy bumper end profiling mold according to claim 3, wherein: the profiling supporting surface of each profiling supporting block is matched with the profile of the profiling bending part of the product part; and the feeding end and the discharging end of the profiling supporting block are respectively provided with an arc transition chamfer.
5. The aluminum alloy bumper end profiling mold according to claim 4, wherein: the profiling device comprises an upper template (1), an upper die base (4), a profiling upper die (17), a pressure plate (11), a wedge (5) and a wedge base (6), wherein the upper template is fixedly connected with the upper die base, the upper die base is fixedly connected with the profiling upper die, the pressure plate is connected with the upper template through a first unloading screw (2) penetrating through the upper die base, and a first reset spring (3) is arranged between the pressure plate and the upper template; the two symmetrically arranged wedge seats are fixedly connected with the upper template, and each wedge seat is fixedly connected with a wedge; the profiling device is further provided with a profiling lower die (13), a baffle (14), wedge baffles (10) and side pressure plates (12), the profiling lower die is fixed with the lower template, the baffles are fixed with the lower template, the two wedge baffles are symmetrically arranged, the two wedge baffles are fixedly connected with the lower template and the baffles, the side pressure plates are symmetrically arranged, and the side pressure plates are respectively and elastically connected with the corresponding side pressure plates through second unloading screws (15) and second reset springs (16).
6. The aluminum alloy bumper end profiling mold according to claim 5, wherein: the profiling device is also provided with a guide pillar (20) and a guide sleeve (21), the guide pillar is fixedly connected with the upper template, the guide sleeve is fixedly connected with the lower template, and the guide pillar corresponds to the guide sleeve and is in sliding fit with the guide sleeve.
7. The aluminum alloy bumper end profiling mold according to claim 6, wherein: the profiling device is also provided with an upper limiting column (9) and a lower limiting column (7) which correspond up and down, the upper limiting column is fixed with the upper template, and the lower limiting column is fixed with the lower template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010341385.3A CN111496089B (en) | 2020-04-27 | 2020-04-27 | Aluminum alloy bumper end profiling mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010341385.3A CN111496089B (en) | 2020-04-27 | 2020-04-27 | Aluminum alloy bumper end profiling mold |
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| Publication Number | Publication Date |
|---|---|
| CN111496089A true CN111496089A (en) | 2020-08-07 |
| CN111496089B CN111496089B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010341385.3A Active CN111496089B (en) | 2020-04-27 | 2020-04-27 | Aluminum alloy bumper end profiling mold |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203830551U (en) * | 2014-04-02 | 2014-09-17 | 宁波敏实汽车零部件技术研发有限公司 | Automobile C column reverse-direction secondary bending stamping die |
| CN205200254U (en) * | 2015-11-18 | 2016-05-04 | 凌云工业股份有限公司 | Type mechanism is propped in punching of aluminum alloy bumper |
| CN205967108U (en) * | 2016-08-30 | 2017-02-22 | 浙江嘉达机械制造有限公司 | Mould subassembly of control elbow punching press |
| CN206297101U (en) * | 2016-12-12 | 2017-07-04 | 浙江伟星新型建材股份有限公司 | A kind of mould core pulling mechanism of variable-angle |
| CN208067040U (en) * | 2018-02-07 | 2018-11-09 | 凌云工业股份有限公司 | A kind of metal tube punching cold-bending device |
| DE102017008907A1 (en) * | 2017-09-22 | 2019-03-28 | Audi Ag | Method and tool for calibrating a hollow profile component produced by extrusion for the automotive industry |
-
2020
- 2020-04-27 CN CN202010341385.3A patent/CN111496089B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203830551U (en) * | 2014-04-02 | 2014-09-17 | 宁波敏实汽车零部件技术研发有限公司 | Automobile C column reverse-direction secondary bending stamping die |
| CN205200254U (en) * | 2015-11-18 | 2016-05-04 | 凌云工业股份有限公司 | Type mechanism is propped in punching of aluminum alloy bumper |
| CN205967108U (en) * | 2016-08-30 | 2017-02-22 | 浙江嘉达机械制造有限公司 | Mould subassembly of control elbow punching press |
| CN206297101U (en) * | 2016-12-12 | 2017-07-04 | 浙江伟星新型建材股份有限公司 | A kind of mould core pulling mechanism of variable-angle |
| DE102017008907A1 (en) * | 2017-09-22 | 2019-03-28 | Audi Ag | Method and tool for calibrating a hollow profile component produced by extrusion for the automotive industry |
| CN208067040U (en) * | 2018-02-07 | 2018-11-09 | 凌云工业股份有限公司 | A kind of metal tube punching cold-bending device |
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| Publication number | Publication date |
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| CN111496089B (en) | 2022-08-09 |
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