CN210876900U - Forming die of multi-bend aluminum alloy profile bumper - Google Patents
Forming die of multi-bend aluminum alloy profile bumper Download PDFInfo
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- CN210876900U CN210876900U CN201921177742.6U CN201921177742U CN210876900U CN 210876900 U CN210876900 U CN 210876900U CN 201921177742 U CN201921177742 U CN 201921177742U CN 210876900 U CN210876900 U CN 210876900U
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Abstract
A forming die of a multi-bend aluminum alloy section bumper comprises a main table top, a one-step forming fixed plate, a forming mechanism, a forming auxiliary mechanism and a product part clamping mechanism, wherein the main table top is positioned at the upper part of a stretch bending workbench; the primary forming fixed plate is fixedly arranged on the main table-board; the forming mechanism comprises a first oil cylinder, a first plate base and a primary forming correction block, the first oil cylinder is fixed on the main table surface, a piston rod of the first oil cylinder is connected with the first plate base, the primary forming correction block is assembled on the first plate base, and secondary forming plates are symmetrically arranged on two sides of the primary forming correction block; the forming auxiliary mechanism comprises a second oil cylinder and a second shaped plate base, the second oil cylinder is fixed on the second shaped plate base, a piston rod of the second oil cylinder is connected with a primary forming fixed shaped plate, and secondary forming correcting blocks are symmetrically arranged on two sides of the second shaped plate base. The utility model discloses successfully solved the stretch bending processing problem of the curved bumper of S, can effectively improve the production efficiency and the product quality of the curved bumper of S.
Description
Technical Field
The utility model relates to a forming die, especially with the forming die of the many curved aluminum alloy ex-trusions bumper of stretch bending former cooperation use.
Background
The bumper is an important safety part of an automobile and is made of aluminum, steel and composite materials. Most bumpers are curved in a unidirectional arc shape, and aluminum alloy bumpers with such a shape are generally formed by a unidirectional stretch bending die mounted on a forming device. The two ends of the bumper profile are clamped in the machining process, the profile plate is attached to the inner arc surface of the bumper, and then the profile is rotationally molded around the profile plate under the action of the tension of the oil cylinder. The processing mode is mature, and the production efficiency is high. With the intensive research on the lightweight of automobiles, aluminum bumpers are widely used, and the shapes thereof are gradually diversified, and an S-bend bumper having three bends is one of the shapes. The S-shaped bent bumper cannot be formed on a traditional stretch bending die, and some existing S-shaped bent bumpers are extruded or stamped. Therefore, the bending die is designed to solve the problem of bending forming processing of the S-shaped bent bumper, and is very necessary for improving the production efficiency and the product quality of the S-shaped bent bumper.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a forming die of the many curved aluminum alloy ex-trusions bumper that uses with former cooperation to solve the curved bumper high quality stretch bending shaping processing problem of S.
The problem of the utility model is realized with following technical scheme:
the utility model provides a forming die of many curved aluminum alloy ex-trusions bumper, includes main mesa, once takes shape fixed plate, forming mechanism, shaping complementary unit and product spare clamping mechanism, wherein:
the main table surface is positioned at the upper part of the stretch bending workbench, the main table surface is connected with a main push oil cylinder of stretch bending equipment, and the main table surface is in sliding fit with an equipment guide rail arranged on the workbench;
the primary forming fixed plate is fixedly arranged on the main table top, and the front wall of the primary forming fixed plate is a convex cambered surface;
the forming mechanism comprises a first oil cylinder, a first plate base and a primary forming correction block, the first oil cylinder is fixed on the main table top, a piston rod of the first oil cylinder is connected with the first plate base positioned in the front of the main table top, the primary forming correction block is assembled on the first plate base, and secondary forming plates are symmetrically arranged on two sides of the primary forming correction block;
the forming auxiliary mechanism comprises a second oil cylinder and a second shaped plate base, the second oil cylinder is fixed on the second shaped plate base located at the rear portion of the main table top, a piston rod of the second oil cylinder is connected with a primary forming fixed shaped plate, and secondary forming correction blocks are symmetrically arranged on two sides of the second shaped plate base.
According to the forming die for the multi-bend aluminum alloy section bumper, the main table surface is provided with the two guide rails, and the first plate base is connected with the guide rails in a sliding manner through the first sliding block; the second template base is connected with the guide rail in a sliding way through a second sliding block.
The forming die of the multi-bend aluminum alloy section bar bumper further comprises a bolt mechanism, the bolt mechanism is provided with bolt oil cylinders, the two bolt oil cylinders are distributed on the first plate base, piston rods of the bolt oil cylinders are connected with bolts, the main table top is provided with an embedding sleeve, and the bolts are matched with the embedding sleeve to be inserted.
The product clamping mechanisms are symmetrically provided with two sets, each product clamping mechanism is connected with a core penetrating oil cylinder of stretch bending equipment through a core penetrating oil cylinder joint respectively, each product clamping mechanism comprises an upper clamping oil cylinder, a lower static clamping block, a front clamping oil cylinder and a rear static clamping block which are arranged at the joint of the core penetrating oil cylinders, the front clamping oil cylinder is connected with a front movable clamping block through the joint of the front clamping oil cylinder, and the front movable clamping block corresponds to the rear static clamping block in a front-to-back mode; the upper clamping oil cylinder is connected with an upper movable clamping block through an upper clamping oil cylinder joint, and the upper movable clamping block corresponds to the lower static clamping block up and down.
According to the forming die for the multi-bend aluminum alloy section bar bumper, the product piece clamping mechanism is provided with the core, the core is fixed at the joint of the core-penetrating oil cylinder through the screw, and the outline of the core is matched with the section of the cavity of the section bar.
According to the forming die for the multi-bend aluminum alloy section bumper, the one-step forming correction block is provided with the concave arc surface matched with the convex arc surface of the one-step forming fixing plate, and the one-step forming correction block is made of nylon.
According to the forming die for the multi-bend aluminum alloy section bumper, the contact surface of the secondary forming correction block and the product piece is a curved surface, and the secondary forming correction block is made of nylon.
The utility model discloses to the stretch bending contour machining problem of solving the curved bumper of S and design, the mould is installed on the workstation of stretch bending equipment, and the cooperation stretch bending equipment mainly pushes away the hydro-cylinder, wears core hydro-cylinder coordinated action, through secondary forming, realizes the stretch bending of the curved bumper of aluminum alloy ex-trusions S and takes shape. The utility model is provided with the one-time forming correcting block after the section bar is formed into the arc at one time, which can prevent the deformation of the one-time arc during the secondary arc forming process; in the secondary arc forming process, the secondary forming correcting block can correct the shape and can also discharge the material. By means of the structure, the S-shaped curved bumper can be accurately formed, and the defects that the radian of the outer arc surface is inconsistent with that of the inner arc surface and the deviation is large are overcome. The utility model discloses successfully solved the stretch bending processing problem of the curved bumper of S, can effectively improve the production efficiency and the product quality of the curved bumper of S.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a plan view showing a primary molding state of the present invention;
FIG. 3 is a plan view of the secondary molding state of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic view of the present invention mounted on a stretch bending apparatus;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
FIG. 7 is a cross-sectional view C-C of FIG. 5;
FIG. 8 is a schematic view of an S-shaped aluminum alloy section bumper;
fig. 9 is a schematic cross-sectional view of fig. 8.
The reference numbers in the figures are: 1. the device comprises a main table top, 2, a guide rail, 3, a second plate base, 4, a first oil cylinder, 5, a second oil cylinder, 6, a primary forming fixed plate, 7, a secondary forming correction block, 8, a product part clamping mechanism, 9, a primary forming correction block, 10, a first plate base, 11, a bolt oil cylinder, 12, a first sliding block, 13, a secondary forming plate, 14, a second sliding block, 15, a bolt, 16, an insert sleeve, 17, a core penetrating oil cylinder joint, 18, an upper clamping oil cylinder, 19, an upper movable clamping block, 20, a rear static clamping block, 21, a core, 22, a lower static clamping block, 23, a front movable clamping block, 24, a front clamping oil cylinder, 25, a core penetrating oil cylinder, 26, a main pushing oil cylinder, 27, an equipment guide rail, 28, a stretch bending worktable, 29 and a product part.
Detailed Description
S type aluminum alloy section bar bumper product spare is as shown in figure 8, figure 9, and product spare 19 middle parts arc is crooked, and both sides are the reverse arc bending of symmetry with the middle part, and the section shape of product spare is the day font.
Referring to fig. 1 and 5, the present invention includes a main table-board 1, a one-step forming fixing board 6, a forming mechanism, a forming auxiliary mechanism and a product clamping mechanism 8. The main table surface is arranged on a stretch bending working table 28 of stretch bending equipment, the main table surface is a basic supporting piece of the die, the main table surface is connected with a main push oil cylinder 26 of the stretch bending equipment and reciprocates along with the action of the main push oil cylinder, and the main table surface is in sliding fit with an equipment guide rail 27 arranged on the working table. The utility model discloses with the main hydro-cylinder 26 that pushes away of stretch bending equipment, wear core hydro-cylinder 25 coordinated action, accomplish the stretch bending processing to the product spare.
Referring to fig. 1, the one-step formed fixing plate 6 is fixedly installed on the main table top, and the front wall of the one-step formed fixing plate is a convex arc surface, and the shape of the convex arc surface is matched with the arc-shaped curved surface in the middle of the product piece 29. The once-forming fixed plate is a template with the middle part of a product piece bent in an arc shape. The forming mechanism comprises a first oil cylinder 4, a first plate base 10 and a one-step forming correction block 9. The first oil cylinder is fixed at the rear part of the main table surface, a piston rod of the first oil cylinder is connected with a first shaped plate base positioned at the front part of the main table surface, the primary forming correction block is fixed on the first shaped plate base, and secondary forming shaped plates 13 are symmetrically assembled at two sides of the primary forming correction block. The primary forming correction block is provided with a concave arc surface matched with the convex arc surface of the fixed plate, and is made of nylon material in order to avoid scratching a product piece. The primary forming calibration block can prevent the primary arc of the product from deforming in the secondary arc forming process. The working curved surface of the secondary forming plate is matched with the curved surface shapes of the arc-shaped surfaces on the two sides of the product piece, and the secondary forming plate is used for forming and processing the arc surfaces on the two sides of the product piece. The forming auxiliary mechanism comprises a second oil cylinder 5 and a second shape plate base 3, the second oil cylinder is fixed on a second shape plate base located at the rear part of the main table top, a piston rod of the second oil cylinder is connected with a primary forming fixed shape plate, and secondary forming correction blocks 7 are symmetrically arranged on two sides of the second shape plate base. The contact surface of the secondary forming correction block and the product piece is a curved surface, the curved surface is matched and attached to the arc surfaces of the two sides of the product piece, and the secondary forming correction block is made of nylon. Two guide rails 2 are arranged on the main table surface, two first sliding blocks 12 are arranged at the bottom of the first shaped plate base, and the first sliding blocks are connected with the guide rails in a sliding mode. Two second sliding blocks 14 are fixed on the second plate base and are in sliding connection with the guide rail.
Referring to fig. 3 and 4, the mold further comprises a bolt mechanism, the bolt mechanism is provided with two bolt cylinders 11, the two bolt cylinders are distributed on the first plate base, piston rods of the bolt cylinders are connected with bolts 15, an embedding sleeve 16 is arranged on the main table top, and the bolts are matched and inserted with the embedding sleeve. The bolt oil cylinder is used for pushing the bolt to be inserted into the embedding sleeve so as to fix the first shaped plate base. The pin and the bushing are matched by conical surfaces, so that the pin can be conveniently inserted, and the pin is easier to accurately position.
Referring to fig. 5-7, a product piece clamping mechanism is used to clamp both ends of a product piece for stretch bending. Two sets of product part clamping mechanisms are symmetrically arranged, each product part clamping mechanism is connected with a core penetrating oil cylinder 25 of the stretch bending equipment through a core penetrating oil cylinder joint 17, and the core penetrating oil cylinders are provided with rotating shafts and can rotate along with the deformation of the product parts in the stretch bending process. The product part clamping mechanism comprises an upper clamping oil cylinder 18, a lower static clamping block 22, a front clamping oil cylinder 24 and a rear static clamping block 20 which are arranged at the joint of the core-through oil cylinder, the front clamping oil cylinder is connected with a front movable clamping block 23 through the joint of the front clamping oil cylinder, and the front movable clamping block corresponds to the rear static clamping block in the front-back direction; the upper clamping oil cylinder is connected with an upper movable clamping block through an upper clamping oil cylinder joint, and the upper movable clamping block corresponds to the lower static clamping block up and down. The structure clamps the end of the product piece from four directions, namely, up, down, left and right. The core 21 is fixed at the joint of the core-through oil cylinder through a screw, the outline of the core is matched with the section of the cavity of the section bar, and the core penetrates into the end cavity of the product piece to prevent the local deformation of the product piece in the clamping process.
The working process of the utility model is as follows: 1. and placing the product piece to be processed on the mold. 2. The core penetrating oil cylinder acts, and the core is inserted into the cavities at the two ends of the product piece. 3. The upper clamping oil cylinder and the front clamping oil cylinder of the two product piece clamping mechanisms move simultaneously to clamp two ends of a product piece. 4. The main push oil cylinder of the stretch bending equipment acts to drive the main table surface to move forwards, the fixed plate is formed at one time to contact and press the product piece, and one-time arc forming of the product piece is completed, as shown in fig. 2. 5. The first oil cylinder acts to drive the one-step forming correction block to contact the product piece, so that the one-step forming correction block is matched and attached with the product piece; 6. the two bolt oil cylinders act simultaneously to insert the bolts into the embedding sleeves to fix the first shaped plate base. 7. The main push cylinder moves to drive the main table surface to move backwards, the primary forming correction block and the primary forming fixing plate are respectively matched and attached with the middle arc surfaces of the product pieces from the front side and the rear side, the main push cylinder drives the main table surface to move backwards, the product pieces are matched and attached with the secondary forming template 13 and the secondary forming correction block 7, and the processing of the arcs on the two sides of the product pieces is completed, as shown in fig. 3. 8. The second oil cylinder acts, the second form base moves backwards, and the secondary forming correction block is separated from the product piece. And finishing stretch bending forming processing of the S-shaped aluminum alloy section bumper product piece, and discharging. In the stretch bending process, the one-time forming correcting block can prevent the deformation of the one-time arc in the forming process of the secondary arc. The secondary forming correction block can realize the correction and the unloading of the secondary arc. The utility model discloses can guarantee the accurate shaping of product spare, avoid outer cambered surface and the inconsistent and big drawback of deviation of intrados radian to process out high-quality S type aluminum alloy section bar bumper product spare.
Claims (7)
1. The utility model provides a forming die of many curved aluminum alloy ex-trusions bumper which characterized in that: including main mesa (1), one shot forming fixed plate (6), forming mechanism, shaping complementary unit and product spare clamping mechanism (8), wherein:
the main table surface is positioned at the upper part of a stretch bending workbench (28), the main table surface is connected with a main push oil cylinder (26) of stretch bending equipment, and the main table surface is in sliding fit with an equipment guide rail (27) arranged on the workbench;
the primary forming fixed plate is fixedly arranged on the main table top, and the front wall of the primary forming fixed plate is a convex cambered surface;
the forming mechanism comprises a first oil cylinder (4), a first plate base (10) and a primary forming correction block (9), the first oil cylinder is fixed on the main table top, a piston rod of the first oil cylinder is connected with the first plate base positioned in the front of the main table top, the primary forming correction block is assembled on the first plate base, and secondary forming plates (13) are symmetrically arranged on two sides of the primary forming correction block;
the forming auxiliary mechanism comprises a second oil cylinder (5) and a second shaped plate base (3), the second oil cylinder is fixed on the second shaped plate base located at the rear portion of the main table top, a piston rod of the second oil cylinder is connected with a primary forming fixed shaped plate, and secondary forming correction blocks (7) are symmetrically arranged on two sides of the second shaped plate base.
2. The forming die of multi-bend aluminum alloy profile bumper according to claim 1, characterized in that: two guide rails (2) are arranged on the main table surface, and the first shaped plate base is connected with the guide rails in a sliding manner through a first sliding block (12); the second shaped plate base is connected with the guide rail in a sliding way through a second sliding block (14).
3. The forming die of multi-bend aluminum alloy profile bumper according to claim 2, characterized in that: the novel table is characterized by further comprising a bolt mechanism, wherein the bolt mechanism is provided with bolt oil cylinders (11), the two bolt oil cylinders are distributed on the first plate base, piston rods of the bolt oil cylinders are connected with bolts (15), the main table surface is provided with an embedding sleeve (16), and the bolts and the embedding sleeve are matched and inserted.
4. The forming die of multi-bend aluminum alloy profile bumper according to claim 3, characterized in that: the product part clamping mechanisms are symmetrically provided with two sets, each product part clamping mechanism is connected with a core penetrating oil cylinder of the stretch bending equipment through a core penetrating oil cylinder joint (17), each product part clamping mechanism comprises an upper clamping oil cylinder (18), a lower static clamping block (22), a front clamping oil cylinder (24) and a rear static clamping block (20) which are arranged at the core penetrating oil cylinder joint, the front clamping oil cylinder is connected with a front movable clamping block (23) through the front clamping oil cylinder joint, and the front movable clamping block corresponds to the rear static clamping block in a front-to-back mode; the upper clamping oil cylinder is connected with an upper movable clamping block through an upper clamping oil cylinder joint, and the upper movable clamping block corresponds to the lower static clamping block up and down.
5. The forming die of multi-bend aluminum alloy profile bumper according to claim 4, characterized in that: the product part clamping mechanism is provided with a core (21), the core is fixed at the joint of the core-through oil cylinder through a screw, and the outline of the core is matched with the section of the cavity of the section bar.
6. The forming die of multi-bend aluminum alloy profile bumper according to claim 5, characterized in that: the one-step forming correction block is provided with a concave arc surface matched with the convex arc surface of the one-step forming fixed plate, and is made of nylon.
7. The forming die of multi-bend aluminum alloy profile bumper according to claim 6, characterized in that: the contact surface of the secondary forming correction block and the product piece is a curved surface, and the secondary forming correction block is made of nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921177742.6U CN210876900U (en) | 2019-07-25 | 2019-07-25 | Forming die of multi-bend aluminum alloy profile bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921177742.6U CN210876900U (en) | 2019-07-25 | 2019-07-25 | Forming die of multi-bend aluminum alloy profile bumper |
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| Publication Number | Publication Date |
|---|---|
| CN210876900U true CN210876900U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921177742.6U Active CN210876900U (en) | 2019-07-25 | 2019-07-25 | Forming die of multi-bend aluminum alloy profile bumper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385358A (en) * | 2019-07-25 | 2019-10-29 | 凌云工业股份有限公司汽车零部件研发分公司 | A kind of molding die of automobile S type aluminium alloy extrusions bumper |
-
2019
- 2019-07-25 CN CN201921177742.6U patent/CN210876900U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385358A (en) * | 2019-07-25 | 2019-10-29 | 凌云工业股份有限公司汽车零部件研发分公司 | A kind of molding die of automobile S type aluminium alloy extrusions bumper |
| CN110385358B (en) * | 2019-07-25 | 2024-05-14 | 凌云工业股份有限公司汽车零部件研发分公司 | Forming die of S-shaped aluminum alloy section bar bumper for automobile |
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