CN104139099A - Plate bending forming mold - Google Patents
Plate bending forming mold Download PDFInfo
- Publication number
- CN104139099A CN104139099A CN201310343474.1A CN201310343474A CN104139099A CN 104139099 A CN104139099 A CN 104139099A CN 201310343474 A CN201310343474 A CN 201310343474A CN 104139099 A CN104139099 A CN 104139099A
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- die
- half module
- sheet material
- arc
- pressure head
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Abstract
The invention relates to a plate bending forming mold. The plate bending forming mold comprises a female mold provided with a cavity and a pressure head provided with an arc propping and pressing surface, wherein the central angle of an arc of the arc propping and pressing surface is larger than 180 degrees; the female mold comprises two half molds rotationally arranged around a rotating shaft whose axis is parallel to an axis of the arc propping and pressing surface of the pressure head, and an opening of the cavity is expanded or reduced when the half molds rotate; and further, each half mold comprises an arc support concave surface used for supporting the corresponding surface of the plate, the two half molds comprise forming positions and releasing positions in the rotating strokes, by means of the forming positions, the arc support concave surfaces are located on the same circumference to be butted to form an arc matched with the arc propping and pressing surface of the pressure head, and the releasing positions are used for expanding the two half molds to allow the pressure head to be taken out. With the adoption of the plate bending forming mold, bending forming can be performed on the plate whose central angle of the actual bending arc is larger than 180 degrees.
Description
Technical field
The present invention relates to sheet material brake forming mould.
Background technology
At present, cart protective cover on some cranes is all based on too heavy and the large standard design rising, this protective cover is to utilize veneer reeling machine to carry out mostly when producing, sheet material for the manufacture of cover body in processing need to repeatedly roll on veneer reeling machine, by the moulding respectively of each position, reach final moulding object, its flexibility is to rely on workman's experience to guarantee completely, therefore the cover body of producing is different, and uniformity is poor, in order to weld with corresponding plug, also need through manual synchronizing, presentation quality is poor, and production efficiency is low, is also unfavorable for standardization making.For addressing the above problem, need a kind of brake forming mould to process protective cover.
Existing a kind of sheet material brake forming mould as application number be 200920008189.3, Granted publication day is the disclosed a kind of combination Bending Mould of the Chinese patent of 2010.01.13, comprise punch and die, punch is in transmission connection with corresponding pressure exerting arrangement, on it, be fixed with the pressure head of the strip with dome pressure surface, die is provided with groove, during use, pressure head presses down and enters groove, rely on the reverse support of the corresponding cell wall of groove that sheet material is deformed according to the dome pressure surface of pressure head, reach the object of sheet material cambered surface brake forming.But, because sheet material exists certain coefficient of elasticity, after bending, there will be resilience to a certain degree, therefore, in order to make sheet material reach desirable crooked radian, the central angle that part sheet material forms when bending should be greater than angle, required flexural center, if this central angle is greater than 180 °, the central angle that causes the dome pressure surface of mould pressure head is greater than to 180 °, like this, the Breadth Maximum of corresponding concave die cavity just must be greater than the width of die cavity opening, now dome pressure surface need to will produce interference with die with the identical adaptive pressure head of die cavity inwall, cause pressure head cannot be pressed into die cavity.Even if adopt less pressure head to be pressed into die cavity, minute push up for several times the problem that workpiece after molded also exists discharging difficulty.
Summary of the invention
The object of this invention is to provide the sheet material brake forming mould that a kind of central angle that can carry out actual flexion circular arc to sheet material is greater than the brake forming of 180 °.
The technical scheme that sheet material brake forming mould of the present invention adopts is: sheet material brake forming mould, comprise the die that is provided with die cavity and the pressure head with dome pressure surface, the central angle of the circular arc of described dome pressure surface is greater than 180 °, described die comprises that two are rotated the half module that arranges and make the opening of die cavity magnify or dwindle when rotating around the parallel rotating shaft of the axis of axis and the dome pressure surface of pressure head, described in each, half module all has for supporting the arc support concave surface on the correspondence surface of sheet material, described in two, half module has in its rotational travel that the arc that makes separately supports concave surface on same circumference and docking forms and the coincide moulding position of the circular arc that coordinates and for making half module described in two open the release position for pressure head taking-up of the dome pressure surface of pressure head.
Described in two, the arc of half module support concave surface is to be symmetrical arranged.
Described die comprises that the bottom block for half module that the bottom of half module described in corresponding two arranges coordinates and stops and turn to the limited support part that the half module of desired location is rotated further.
Described half module comprises towards the vertical die body of top extension with towards the horizontal die body extending laterally, described vertical die body and the laterally L-shaped setting of die body, described rotating shaft is arranged on the correspondence position at horizontal die body middle part so that vertical die body relies on self gravitation to drive half module to rotate to discharging position around the shaft.
Described die is provided with for to turning to the stop part of the half module support limit that discharges position.
Described in two, half module is provided with for one end of docking mutually the avoiding structure of avoiding two-half die to interfere for dodging another at two-half die when rotate release position.
Described die comprises that correspondence is arranged on the pivoting support at the axial two ends of half module described in two, and described pivoting support is provided with two groups of pilot holes that assemble respectively for the corresponding rotating shaft of two dies.
Described die be provided with for the edge with sheet material in the horizontal direction block coordinate and keeper that sheet material is positioned.
The present invention adopts technique scheme, the half module that makes the opening of die cavity magnify or dwindle because described die comprises two around the parallel rotating shaft setting of the axis of the dome pressure surface with pressure head when rotating, described in each, half module all has for supporting the arc support concave surface on the correspondence surface of sheet material, and described in two, half module has in its rotational travel that the arc that makes separately supports concave surface on same circumference and docking forms and the coincide moulding position of the circular arc that coordinates and for making half module described in two open the release position for pressure head taking-up of the dome pressure surface of pressure head, and the central angle of the circular arc of dome pressure surface is greater than 180 ° on pressure head, therefore, when mould is used, pressure head can enter smoothly in discharging the half module of position, can not interfere with half module, when the arc that enters into each half module when pressure head top pressing board material supports on concave surface, dependence is acted on to the moment that on arc support concave surface, generation is rotated around corresponding rotating shaft to half module through the pressure on top surface of the pressure head of sheet material transmission, drive two-half die to make two-half die docking form the circular arc that is greater than 180 ° to the motion of moulding position, now two-half die will be held sheet material and pressure head tightly, sheet material is bent out with two-half die combination the shape that the circular arc of 180 ° is corresponding that is greater than being connected into, can carry out the brake forming that actual central angle is greater than 180 ° to sheet material.And, after sheet material forming during die sinking, pressure head moves upward, the pressure for the one end of docking will disappear to two-half die for sheet material and pressure head, the two ends that the arc that docking forms to two-half die simultaneously supports concave surface will be subject to top pressure, thereby drive two-half die to discharging position motion, be convenient to the discharging of sheet material after die sinking and moulding.
Accompanying drawing explanation
Fig. 1: the die opening state schematic diagram of an embodiment of sheet material brake forming mould of the present invention;
Fig. 2: the matched moulds view of an embodiment of sheet material brake forming mould of the present invention;
Fig. 3: the top view of die in Fig. 2;
Fig. 4: the structural representation of pivoting support;
Fig. 5: the structural representation of back-up block.
The name that in figure, each Reference numeral is corresponding is called: 1 punch, 11 pressure heads, 111 dome pressure surfaces, 2 dies, 21 die holders, 22 pivoting supports, 221 pivoting support pins, 222 pivoting support screws, 23 half modules, 231 arcs support concave surface, 232 square gap, 233 vertical die bodys, 234 horizontal die bodys, 24 adjustable backing plates, 25 back-up blocks, 251 back-up block pins, 252 back-up block screws, 26 lateral retainer, 27 longitudinal register parts, 28 rotating shafts, 3 adpting flanges, 4 sheet materials.
The specific embodiment
An embodiment of sheet material brake forming mould of the present invention, as shown in Fig. 1 ~ Fig. 5, for an extrusion molding protective cover cover body, comprises punch 1 and die 2.Its convex mould 1 comprises the pressure head 11 of the strip being connected for the adpting flange 3 with corresponding hydraulic press, and it is the dome pressure surface 111 of 216 ° that this pressure head 11 has central angle, and the axis of dome pressure surface extends along fore-and-aft direction; Die 2 comprises die holder 21, be fixed on pivoting support 22 on die holder 21, by rotating shaft 28 separately, rotate adjustable backing plate 24 and two half modules 23 of confession that two half modules 23, the pad that are assemblied on pivoting support 22 be located between two-half die 23 and die holder 21 carries out the back-up block 25 of block support to it by establishing.On pressure head 11, the central angle of dome pressure surface 111 is to draw according to the coefficient of elasticity of the crooked radian of protective cover and cover body sheet material, and for different products, this angle can certainly be to be greater than other values of 180 °.
Described in two, half module 23 is to be symmetrical set, and each half module 23 includes towards the vertical die body 233 of top extension with towards the horizontal die body 234 extending laterally, above-mentioned vertical die body 233 and the laterally L-shaped setting of die body 234; Described in each, half module 23 all has for supporting the arc support concave surface 231 on the correspondence surface of sheet material 4, the crooked radian that the arc of two-half die 23 supports concave surface 231 is corresponding to the required crooked central angle setting of sheet material 4 moulding, all be greater than 90 °, and two arcs support concave surface 231 is symmetrical arranged equally.Pivoting support 22 comprises two hinge holes, and pivoting support 22 is provided with two corresponding to the both sides, front and back of two-half die 23, all by pivoting support pin 221 and pivoting support screw 222, is fixed on die holder 21.The correspondence position at horizontal die body 234 middle parts of two-half die 23 is provided with pre-and post perforative rotating shaft 28 perforation along its length, by rotating shaft 28, rotate and be assemblied on pivoting support 22 again, making the center of gravity of vertical die body 233 be positioned at rotating shaft 28 deviates from a side of horizontal die body 234 ends, form and lay particular stress on heart type structure, thereby make vertical die body 233 can rely on self gravitation to drive half module 23 28 to rotate around the shaft.And, two-half die 23 is assemblied on same pivoting support 22 and can guarantees two-half die 23 positioning precision in relative rotation, two-half die 23 can accurately be docked, also can make the stressed more even of die holder 21.Two-half die 23 can rotate and make the opening of die 2 die cavities magnify or dwindle under pressure head 11 pushes up the effect of the sheet material 4 of pressing, and described in two, half module 23 has the arc that makes separately and supports concave surface 231 docking and moulding position on same circumference mutually in its rotational travel, also have in making half module 23 described in two open the release position of taking out for pressure head 11, the corresponding end of two-half die 23 interferes when avoiding docking, described in two, half module 23 is equipped with square gap 232 for one end of docking mutually, for avoiding another at two-half die 23 to discharging when rotate position.The two-half die 23 that turns to moulding position can form the circular arc of 216 °, and the angle of the central angle of this circular arc equates with the central angle angle of pressure head 11 dome pressure surface 111 corresponding circular arcs, thus the crooked radian of setting in the time of can guaranteeing sheet material 4 moulding.
Adjustable backing plate 24 between two-half die 23 and die holder 21 is to be fixed on die holder 21 by screw is removable, for coordinating with the bottom block of half module 23, at half module 23, by discharging position, turn to behind moulding position, can stop it to be rotated further, and play direction supporting role when pressure head 11 compresses, guarantee the Forming Quality of sheet material 4; In addition, when wearing and tearing appear in mould, can adjust the thickness of adjustable backing plate 24 bending precision is revised, be convenient to adjust, reduce cost of equipment maintenance.
The structure of back-up block 25 as shown in the figure, integral body is " recessed " font, middle recessed part is fixed on die holder 21 by back-up block pin 251 and back-up block screw 252, back-up block 25 is provided with inclined-plane near a side of half module 23, can play stable supporting role to half module 23, and can disperse support force, avoid causing half module 23 surface damages or cause half module 23 to damage.In addition, die holder 21 is fixed with respectively the longitudinal register part 27 with L shaped cross section and the lateral retainer 26 with planar structure away from a side of half module 23 by corresponding screw, can coordinate with edge block in corresponding direction of sheet material 4, the location of realization to sheet material 4, above-mentioned two back-up blocks 25, and lateral retainer 26 and longitudinal register part 27 are to be symmetrical set, thereby sheet material 4 transverse center are overlapped with the symmetrical centre of mould, make sheet material 4 bilateral symmetry when moulding, while avoiding moulding, occur larger skew.
Mould under normal circumstances, two-half die 23 relies on deadweight to open, and block is on back-up block 25, during use, sheet material 4 is supported on the vertical die body 233 of two-half die 23, and rely on lateral retainer 26 and longitudinal register part 27 upper limit in the horizontal direction, drive corresponding hydraulic press action, band dynamic head 11 presses down, pressure head 11 top pressing board material 4 contacts move downward and touch the butt end of two-half die 23 and drive half module 23 28 towards moulding position, to rotate around the shaft, when motion puts in place, 24 pairs of half modules of adjustable backing plate, 23 generation blocks are spacing, the vertical die body 233 of half module 23 is held sheet material 4 and pressure head 11 tightly, make the disposable bending and molding of sheet material 4, improved working (machining) efficiency, be convenient to standardized production, finished product high conformity, presentation quality is high.After moulding completes, hydraulic press band dynamic head 11 rises, and half module 23 relies on gravity automatically to open, and can carry out easily discharging.
In the above-described embodiments, two-half die 23 is to be symmetrical arranged, and is hinged on same set of pivoting support 22, and half module 23 is provided with square gap 232 as avoiding structure, and on die 2, corresponding half module 23 belows are also provided with adjustable backing plate 24 as limited support part; In other embodiments of the invention, two-half die 23 also can adopt asymmetrical form setting, because being provided with arc, half module 23 supports concave surface 231, each half module 23 still can rely on the effect of punch 1 to realize matched moulds, square gap 232 as avoiding structure also can replace to other forms or save, for example, thin-wall construction is arranged to in the butt end of half module 23, or the line settings position of half module 23 upper rotary radius maximums is corresponding and two rotating shafts 28, produce and interfere in the time of all can avoiding two-half die 23 to rotate; And pivoting support 22 also can replace to other forms, for example corresponding two-half die 23 arranges two cover pivoting supports 22; Adjustable backing plate 24 as limited support part also can adopt other forms to replace or save, for example adopt the support column of respective heights, or outstanding block arm is set on the side of half module 23 front and back ends, and on die holder 21, fix corresponding stop part, all can realize the block of half module 23 spacing, if do not use limited support part, pressure head 11 enters die cavity back mold half 23 will hold pressure head 11 and sheet material 4 tightly, still can be by sheet material 4 moulding.
In addition, the position that in above-described embodiment, the rotating shaft 28 of half module arranges can make half module 23 rely on self gravitation die sinking, in other embodiments, the setting position of half module 23 rotating shafts 28 also can be changed, for example be arranged on the position in the corner, outside of L shaped structure, half module 23 still can move to moulding position under the driving of pressure head 11, and die sinking can adopt hand-driven mode or corresponding mold-opening structure is set separately.Moreover, in above-described embodiment for also replacing to other forms to turning to the back-up block 25 of half module 23 support limit that discharge position, the release position stop part corresponding with the above-mentioned block arm being convexly equipped with on the side of half module 23 front and back ends is for example set on die holder 21, can realizes the support limit to half module 23 equally.
Claims (8)
1. sheet material brake forming mould, comprise the die that is provided with die cavity and the pressure head with dome pressure surface, it is characterized in that: the central angle of the circular arc of described dome pressure surface is greater than 180 °, described die comprises that two are rotated the half module that arranges and make the opening of die cavity magnify or dwindle when rotating around the parallel rotating shaft of the axis of axis and the dome pressure surface of pressure head, described in each, half module all has for supporting the arc support concave surface on the correspondence surface of sheet material, described in two, half module has in its rotational travel that the arc that makes separately supports concave surface on same circumference and docking forms and the coincide moulding position of the circular arc that coordinates and for making half module described in two open the release position for pressure head taking-up of the dome pressure surface of pressure head.
2. sheet material brake forming mould according to claim 1, is characterized in that: described in two, the arc of half module support concave surface is to be symmetrical arranged.
3. sheet material brake forming mould according to claim 1 and 2, is characterized in that: described die comprises that the bottom block for half module that the bottom of half module described in corresponding two arranges coordinates and stops and turn to the limited support part that the half module of desired location is rotated further.
4. sheet material brake forming mould according to claim 2, it is characterized in that: described half module comprises towards the vertical die body of top extension with towards the horizontal die body extending laterally, described vertical die body and the laterally L-shaped setting of die body, described rotating shaft is arranged on the correspondence position at horizontal die body middle part so that vertical die body relies on self gravitation to drive half module to rotate to discharging position around the shaft.
5. sheet material brake forming mould according to claim 4, is characterized in that: described die is provided with for to turning to the stop part of the half module support limit that discharges position.
6. sheet material brake forming mould according to claim 1 and 2, is characterized in that: described in two, half module is provided with for one end of docking mutually the avoiding structure of avoiding two-half die to interfere for dodging another at two-half die when rotate release position.
7. sheet material brake forming mould according to claim 1 and 2, it is characterized in that: described die comprises that correspondence is arranged on the pivoting support at the axial two ends of half module described in two, described pivoting support is provided with two groups of pilot holes that assemble respectively for the corresponding rotating shaft of two dies.
8. sheet material brake forming mould according to claim 1 and 2, is characterized in that: described die be provided with for the edge with sheet material in the horizontal direction block coordinate and keeper that sheet material is positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310343474.1A CN104139099A (en) | 2013-08-08 | 2013-08-08 | Plate bending forming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310343474.1A CN104139099A (en) | 2013-08-08 | 2013-08-08 | Plate bending forming mold |
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| Publication Number | Publication Date |
|---|---|
| CN104139099A true CN104139099A (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310343474.1A Pending CN104139099A (en) | 2013-08-08 | 2013-08-08 | Plate bending forming mold |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826940A (en) * | 2015-05-13 | 2015-08-12 | 广西梧州运龙港船机械制造有限公司 | Forming mold for opening sleeve |
| CN105479111A (en) * | 2015-12-25 | 2016-04-13 | 贵州航宇科技发展股份有限公司 | Manufacturing method and mold of 1Cr11Ni2W2MoV alloy track-shaped mounting edge |
| CN105728520A (en) * | 2014-12-11 | 2016-07-06 | 上海新宇箴诚电控科技有限公司 | Device for bending metal plate by any angle |
| CN106077304A (en) * | 2016-08-25 | 2016-11-09 | 盐城工学院 | The bending mould of the pillar workpiece on belt conveyor |
| CN106180397A (en) * | 2016-07-15 | 2016-12-07 | 安庆安簧汽车零部件有限公司 | Stabiliser bar cold forming mould |
| CN108145018A (en) * | 2018-02-07 | 2018-06-12 | 苏州日普模具有限公司 | A kind of stamping die |
| CN108357080A (en) * | 2018-04-23 | 2018-08-03 | 常州新创航空科技有限公司 | A kind of composite molding equipment |
| CN108580700A (en) * | 2018-07-21 | 2018-09-28 | 杨晓东 | A kind of edge rolling pipe clamp finishing die |
| CN109013763A (en) * | 2018-08-02 | 2018-12-18 | 安徽南海机械有限公司 | A kind of water-drop-shaped bending machine die |
| CN109092956A (en) * | 2018-06-22 | 2018-12-28 | 襄阳元创汽车零部件实业有限公司 | A kind of full-automatic stamping system |
| CN112974638A (en) * | 2019-12-13 | 2021-06-18 | 青岛海尔智慧厨房电器有限公司 | Die for manufacturing square-shaped workpiece |
| CN113151656A (en) * | 2021-03-19 | 2021-07-23 | 鄂尔多斯市神东天隆矿山机械有限责任公司 | Air cooling device for manufacturing cutting teeth |
| CN113617897A (en) * | 2021-08-17 | 2021-11-09 | 山东兆维铁塔有限公司 | Cylindrical steel bending device and working method thereof |
| CN113843628A (en) * | 2021-10-28 | 2021-12-28 | 武昌工学院 | Complete process system and process for robot-based cartridge filter manufacturing |
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| SU1278064A1 (en) * | 1985-04-30 | 1986-12-23 | Zhukovitskij Aleksandr F | Die for bending v-shaped articles from unit blanks |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728520A (en) * | 2014-12-11 | 2016-07-06 | 上海新宇箴诚电控科技有限公司 | Device for bending metal plate by any angle |
| CN104826940A (en) * | 2015-05-13 | 2015-08-12 | 广西梧州运龙港船机械制造有限公司 | Forming mold for opening sleeve |
| CN105479111A (en) * | 2015-12-25 | 2016-04-13 | 贵州航宇科技发展股份有限公司 | Manufacturing method and mold of 1Cr11Ni2W2MoV alloy track-shaped mounting edge |
| CN106180397A (en) * | 2016-07-15 | 2016-12-07 | 安庆安簧汽车零部件有限公司 | Stabiliser bar cold forming mould |
| CN106077304A (en) * | 2016-08-25 | 2016-11-09 | 盐城工学院 | The bending mould of the pillar workpiece on belt conveyor |
| CN108145018A (en) * | 2018-02-07 | 2018-06-12 | 苏州日普模具有限公司 | A kind of stamping die |
| CN108357080B (en) * | 2018-04-23 | 2023-05-23 | 常州新创航空科技有限公司 | Composite material forming equipment |
| CN108357080A (en) * | 2018-04-23 | 2018-08-03 | 常州新创航空科技有限公司 | A kind of composite molding equipment |
| CN109092956A (en) * | 2018-06-22 | 2018-12-28 | 襄阳元创汽车零部件实业有限公司 | A kind of full-automatic stamping system |
| CN108580700A (en) * | 2018-07-21 | 2018-09-28 | 杨晓东 | A kind of edge rolling pipe clamp finishing die |
| CN109013763A (en) * | 2018-08-02 | 2018-12-18 | 安徽南海机械有限公司 | A kind of water-drop-shaped bending machine die |
| CN112974638B (en) * | 2019-12-13 | 2023-01-13 | 青岛海尔智慧厨房电器有限公司 | Die for manufacturing square-shaped product |
| CN112974638A (en) * | 2019-12-13 | 2021-06-18 | 青岛海尔智慧厨房电器有限公司 | Die for manufacturing square-shaped workpiece |
| CN113151656A (en) * | 2021-03-19 | 2021-07-23 | 鄂尔多斯市神东天隆矿山机械有限责任公司 | Air cooling device for manufacturing cutting teeth |
| CN113151656B (en) * | 2021-03-19 | 2022-01-07 | 鄂尔多斯市神东天隆矿山机械有限责任公司 | Air cooling device for manufacturing cutting teeth |
| CN113617897A (en) * | 2021-08-17 | 2021-11-09 | 山东兆维铁塔有限公司 | Cylindrical steel bending device and working method thereof |
| CN113843628A (en) * | 2021-10-28 | 2021-12-28 | 武昌工学院 | Complete process system and process for robot-based cartridge filter manufacturing |
| CN113843628B (en) * | 2021-10-28 | 2023-03-28 | 武昌工学院 | Integrated process system and process for robot-based cartridge filter manufacturing |
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Application publication date: 20141112 |