CN107716718B - Flexible die for stretch bending of section bar - Google Patents
Flexible die for stretch bending of section bar Download PDFInfo
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- CN107716718B CN107716718B CN201711064143.9A CN201711064143A CN107716718B CN 107716718 B CN107716718 B CN 107716718B CN 201711064143 A CN201711064143 A CN 201711064143A CN 107716718 B CN107716718 B CN 107716718B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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Abstract
The invention discloses a flexible die for stretch bending of a section, which comprises a base, wherein two support plates which are arranged in parallel are vertically arranged on the upper side wall of the base, two first T-shaped sliding grooves are symmetrically arranged on the side wall of one side, opposite to the two support plates, of the side wall, a first T-shaped sliding block is connected in the two first T-shaped sliding grooves in a sliding mode, a transverse plate is connected in the two first T-shaped sliding blocks, a second T-shaped sliding groove with a downward opening is transversely arranged in the transverse plate, a second T-shaped sliding block is arranged in the second T-shaped sliding groove, a telescopic motor is arranged on the inner wall of one side of the second T-shaped sliding groove, an output shaft of the telescopic motor is fixedly connected with the second T-shaped sliding block, and the side wall of the second T-shaped. The invention is convenient to position the punching die head; when the stretch bending amplitude of the section bar needs to be changed, the stretch bending degrees of the section bar with different amplitudes are changed by changing the corresponding punching die heads, and the punching die heads are convenient to replace, so that the stretch bending efficiency of the section bar is improved.
Description
Technical Field
The invention relates to the technical field of section bar bending, in particular to a flexible die for stretch bending of section bars.
Background
With the increasing requirements of the current market on automobiles and airplanes, the difficulty of the production and the manufacture of the automobiles and the airplanes is gradually increased; in the production and manufacturing process of automobiles and airplanes, bending treatment is often required to be carried out on some required sectional materials; such as leaf springs for automobiles, skin-like parts for airplanes, etc., and flexible dies for stretch bending of profiles are generally required for carrying out the operation; however, in the section stretch bending die in the prior art, the position of the stamping die head is inconvenient to move, so that the stamping die head is inconvenient to position; meanwhile, when different bending amplitudes of the section are realized, the operation is more complicated, and the production efficiency is reduced; to this end, we propose a flexible die for stretch bending of profiles to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a punching head of a flexible die for stretch bending of a section is inconvenient to position and different bending amplitudes are inconvenient to realize, and provides the flexible die for stretch bending of the section.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flexible die for stretch bending of section bars comprises a base, wherein two support plates which are arranged in parallel are vertically arranged on the upper side wall of the base, two first T-shaped chutes are symmetrically arranged on one side wall of the base opposite to each other, first T-shaped sliders are connected in the two first T-shaped chutes in a sliding manner, transverse plates are connected in the two first T-shaped sliders, second T-shaped chutes with downward openings are transversely arranged in the transverse plates, second T-shaped sliders are arranged in the second T-shaped chutes, a telescopic motor is arranged on the inner wall of one side of each second T-shaped chute, the output shaft of the telescopic motor is fixedly connected with the second T-shaped sliders, the side wall of each second T-shaped slider is connected with a die head through a connecting rod, the base is of a hollow structure, a placing groove corresponding to the die head is arranged on the upper side wall of the base, a first driving motor is arranged in the base, and the output shaft of the first driving motor is connected with a first threaded rod, the first threaded rod is sleeved with a nut matched with the first threaded rod, the side wall of the nut is connected with two L-shaped connecting rods which are symmetrically arranged, strip-shaped sliding cavities are arranged in the two support plates, the first T-shaped sliding groove is communicated with the inside of the base through the strip-shaped sliding cavities, the L-shaped connecting rods penetrate through the strip-shaped sliding cavities and are connected with the first T-shaped sliding block, the connecting rods on the side wall of the second T-shaped sliding block comprise a first connecting rod and a second connecting rod, the first connecting rod is fixedly connected with the side wall of the second T-shaped sliding block, the lower end of the second connecting rod is connected with the punching head, a groove with a downward opening is arranged in the first connecting rod, the second connecting rod is inserted in the groove, a second driving motor is arranged on the inner wall of the upper side of the groove, the output shaft of the second driving motor is connected with a second threaded rod, the second threaded rod penetrates through the second connecting rod and is connected with, and the side wall of the second connecting rod is provided with a first sliding block matched with the first sliding groove.
Preferably, a buffer device is arranged in the placing groove, the buffer device comprises a stress plate and a plurality of first springs arranged on the lower side of the stress plate, the first springs are fixedly connected with the inner wall of the lower side of the placing groove, and an arc-shaped groove corresponding to the punching head is formed in the upper side wall of the stress plate.
Preferably, be equipped with the mounting groove that the opening is decurrent in the second connecting rod, and the upside inner wall of mounting groove has the slide through second spring coupling, the lateral wall fixedly connected with third connecting rod of die head, and the setting that third connecting rod and mounting groove match, the inner wall of mounting groove is equipped with the second spout of ring groove and a plurality of vertical settings, and a plurality of second spouts all communicate with ring groove, the lateral wall of third connecting rod is equipped with the second slider that matches with the second spout.
Preferably, the side wall of the second connecting rod is further connected with a thread clamping rod in a threaded manner, the thread clamping rod extends into the annular clamping groove, and a thread clamping groove matched with the thread clamping rod is formed in the second sliding block.
Preferably, the inner wall of standing groove rotates respectively through two rotating device and is connected with two risers, and two risers are located the both sides setting of atress board respectively, two one side lateral wall that the riser is relative all is equipped with presss from both sides the groove, and the third threaded rod of the vertical setting of swivelling joint in the clamp groove, the cover is equipped with the splint rather than matching on the third threaded rod, the vertical third spout that is equipped with of inner wall that presss from both sides the groove, and the lateral wall of splint passes through third slider and third spout sliding connection.
Preferably, the lower side walls of the clamping grooves and the clamping plates are provided with rubber protection pads, and the surfaces of the rubber protection pads are provided with anti-skidding lines.
The invention is convenient to position the punching die head; when the stretch bending amplitude of the section bar needs to be changed, the stretch bending degrees of the section bar with different amplitudes are changed by changing the corresponding punching die heads, and the punching die heads are convenient to replace, so that the stretch bending efficiency of the section bar is improved.
Drawings
Fig. 1 is a schematic structural diagram of a flexible mold for stretch bending of a profile according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure at B in FIG. 1;
fig. 4 is a schematic structural diagram at C in fig. 1.
In the figure: the device comprises a base 1, a support plate 2, a first T-shaped sliding groove 3, a first T-shaped sliding block 4, a transverse plate 5, a second T-shaped sliding block 6, a strip-shaped sliding cavity 7, a first driving motor 8, a first threaded rod 9, a nut 10, a connecting rod 11L, a second T-shaped sliding groove 12, a first connecting rod 13, a second connecting rod 14, a die head 15, a placing groove 16, a first spring 17, a stressed plate 18, a groove 19, a second driving motor 20, a second threaded rod 21, a first sliding groove 22, a first sliding block 23, a mounting groove 24, a second spring 25, a sliding plate 26, a third connecting rod 27, a second sliding groove 28, an annular clamping groove 29, a second sliding block 30, a threaded clamping groove 31, a threaded clamping rod 32, a rotating device 33, a vertical plate 34, a clamping groove 35, a threaded rod 36, a clamping plate 37, a third sliding groove 38 and a third sliding block 39.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a flexible mold for stretch bending of a profile comprises a base 1, two support plates 2 arranged in parallel are vertically arranged on the upper side wall of the base 1, two first T-shaped chutes 3 are symmetrically arranged on the side wall of one side opposite to the two support plates 2, first T-shaped sliders 4 are slidably connected in the two first T-shaped chutes 3, transverse plates 5 are connected in the two first T-shaped sliders 4, second T-shaped chutes 12 with downward openings are transversely arranged in the transverse plates 5, second T-shaped sliders 6 are arranged in the second T-shaped chutes 12, a telescopic motor is arranged on the inner wall of one side of each second T-shaped chute 12, an output shaft of the telescopic motor is fixedly connected with the second T-shaped sliders 6, the side wall of each second T-shaped slider 6 is connected with a die head 15 through a connecting rod, the base 1 is of a hollow structure, and a placing groove 16 corresponding to the die head 15 is arranged on the upper side wall of the base 1, the placing groove 16 is internally provided with a buffer device, the buffer device comprises a stress plate 18 and a plurality of first springs 17 arranged on the lower side of the stress plate 18, the first springs 17 are fixedly connected with the inner wall of the lower side of the placing groove 16, the upper side wall of the stress plate 18 is provided with an arc-shaped groove corresponding to the punching head 15, when the punching head 15 extrudes the formed material downwards, buffer force can be provided to prevent the punching head 15 from damaging the formed material, the inner wall of the placing groove 16 is respectively and rotatably connected with two vertical plates 34 through two rotating devices 33, the two vertical plates 34 are respectively arranged on two sides of the stress plate 18, the side walls on the opposite sides of the two vertical plates 34 are respectively provided with a clamping groove 35, a vertically arranged third threaded rod 36 is rotatably connected in the clamping groove 35, a clamping plate 37 matched with the third threaded rod 36 is sleeved on the third threaded rod 36, the inner wall of the clamping groove 35 is vertically provided with a third chute 38, and the side wall of the clamping plate 37 is slidably connected with the third chute 38 through a, the profile is fixed in a clamping groove 35, a third threaded rod 36 is rotated, a clamping plate 37 moves through the matching of a third sliding block 39 and a third sliding groove 38, so that the clamping operation of the profile is conveniently completed, when a stamping die head 15 extrudes the profile, two vertical plates 34 rotate through a rotating device 33 to prevent the profile from being broken, rubber protective pads are arranged on the lower side walls of the clamping groove 35 and the clamping plate 37, anti-slip lines are arranged on the surfaces of the rubber protective pads, so that clamping marks on the surface of the profile can be prevented, the firmness of clamping the profile by the clamping plate 37 can be increased, a first driving motor 8 is arranged in a base 1, an output shaft of the first driving motor 8 is connected with a first threaded rod 9, a nut 10 matched with the first threaded rod 9 is sleeved on the first threaded rod 9, the side wall of the nut 10 is connected with two L-shaped connecting rods 11 which are symmetrically arranged, strip-shaped sliding cavities 7 are arranged in two supporting plates 2, and the first T-shaped sliding grooves, the L-shaped connecting rod 11 penetrates through the strip-shaped sliding cavity 7 and is connected with the first T-shaped sliding block 4, the connecting rod on the side wall of the second T-shaped sliding block 6 comprises a first connecting rod 13 and a second connecting rod 14, the first connecting rod 13 is fixedly connected with the side wall of the second T-shaped sliding block 6, the lower end of the second connecting rod 14 is connected with the punching head 15, a groove 19 with a downward opening is arranged in the first connecting rod 13, the second connecting rod 14 is inserted in the groove 19, a second driving motor 20 is arranged on the inner wall of the upper side of the groove 19, the output shaft of the second driving motor 20 is connected with a second threaded rod 21, the second threaded rod 21 penetrates through the second connecting rod 14 and is in threaded connection with the second connecting rod 14, first sliding grooves 22 are arranged on the inner walls on the two sides of the groove 19, a first sliding block 23 matched with the first sliding grooves 22 is arranged on the side wall of the second connecting rod 14, a mounting groove 24 with a downward opening is arranged in the, the side wall of the die head 15 is fixedly connected with a third connecting rod 27, the third connecting rod 27 is arranged in a matching way with the mounting groove 24, the inner wall of the mounting groove 24 is provided with an annular clamping groove 29 and a plurality of vertically arranged second sliding grooves 28, and the plurality of second chutes 28 are all communicated with the annular clamping groove 29, the side wall of the third connecting rod 27 is provided with a second sliding block 30 matched with the second chutes 28, when the die head 15 is installed, the second slider 30 on the side wall of the third link 27 is brought into correspondence with the second slide groove 28, the third link 27 is pushed into the mounting groove 24 while pressing the slide plate 26 and compressing the second spring 25, when the second slider 30 slides from the second sliding groove 28 to the annular groove 29, the rotary die head 15 drives the second slider 30 on the side wall of the third connecting rod 27 to rotate in the annular groove 29, and when the second slider 30 rotates away from the joint of the annular groove 29 and the second sliding groove 28, the second sliding block 30 and the annular clamping groove 29 are conveniently clamped together under the action of the elastic force of the second spring 25; therefore, when replacing the die head 15 corresponding to each other, the die head 15 is rotated to drive the second slider 30 to rotate to the joint of the annular clamping groove 29 and the second chute 28, under the elastic action of the second spring 25, the die head 15 is conveniently taken out from the mounting groove 24, so that the die head 15 is conveniently replaced, the side wall of the second connecting rod 14 is further connected with the thread clamping rod 32 in a threaded manner, the thread clamping rod 32 extends to the annular clamping groove 29, the thread clamping groove 31 matched with the thread clamping rod 32 is arranged in the second slider 30, when the second slider 30 is connected with the annular clamping groove 29 in a clamped manner, the thread clamping rod 32 is rotated, the thread clamping rod 32 is connected with the thread clamping groove 31 in a threaded manner, the second slider 30 in the annular clamping groove 29 is fixed, and the firmness of installation of the die head 15 is increased.
The section bar to be subjected to stretch bending operation is placed in the placing groove 16, the first driving motor 8 is started to drive the first threaded rod 9 to rotate, and when the first threaded rod 9 rotates, the two L-shaped connecting rods 11 are driven by the nuts 10 to move in the strip-shaped sliding cavity 7, so that the first T-shaped sliding block 4 is driven to move in the first T-shaped sliding groove 3, and the position of the die head 15 in the Y-axis direction can be conveniently changed; meanwhile, the telescopic motor drives the second T-shaped sliding block 6 to move in the second T-shaped sliding groove 12, so that the position of the die head 15 in the X-axis direction can be conveniently changed; therefore, the position of the die head 15 in the XY axis direction can be conveniently changed, and the die head 15 can be conveniently positioned; after the position of the die head 15 is adjusted, the second driving motor 20 is started to drive the second threaded rod 21 to rotate, and the second threaded rod 21 is in threaded connection with the second connecting rod 14, and the second connecting rod 14 cannot rotate along with the rotation of the second threaded rod 21 due to the limitation of the first sliding block 23 and the first sliding chute 22, so that the second connecting rod 14 can be conveniently adjusted to move, and the die head 15 can conveniently bend the section bar in the placing groove 16; due to the fact that the die heads 15 and the second connecting rod 14 are convenient to detach and mount, when the stretch bending amplitude of the section bar needs to be changed, the corresponding die heads 15 are changed to change the stretch bending degrees of the section bars with different amplitudes.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. A flexible die for stretch bending of a section bar comprises a base (1) and is characterized in that two support plates (2) which are arranged in parallel are vertically arranged on the upper side wall of the base (1), two first T-shaped sliding grooves (3) are symmetrically arranged on the side wall of one side opposite to the two support plates (2), a first T-shaped sliding block (4) is connected in each first T-shaped sliding groove (3) in a sliding manner, a transverse plate (5) is connected in each first T-shaped sliding block (4), a second T-shaped sliding groove (12) with a downward opening is transversely arranged in each transverse plate (5), a second T-shaped sliding block (6) is arranged in each second T-shaped sliding groove (12), a telescopic motor is arranged on the inner wall of one side of each second T-shaped sliding groove (12), the output shaft of each telescopic motor is fixedly connected with the corresponding second T-shaped sliding block (6), the side wall of each second T-shaped sliding block (6) is connected with a die head (15), the base (1) is of a hollow structure, a placing groove (16) corresponding to the die head (15) is formed in the upper side wall of the base (1), a first driving motor (8) is arranged in the base (1), an output shaft of the first driving motor (8) is connected with a first threaded rod (9), a nut (10) matched with the first threaded rod (9) is sleeved on the first threaded rod (9), the side wall of the nut (10) is connected with two L-shaped connecting rods (11) which are symmetrically arranged, strip-shaped sliding cavities (7) are formed in the two support plates (2), the first T-shaped sliding groove (3) is communicated with the inside of the base (1) through the strip-shaped sliding cavities (7), the L-shaped connecting rods (11) penetrate through the strip-shaped sliding cavities (7) and are connected with the first T-shaped sliding block (4), the connecting rods on the side wall of the second T-shaped sliding block (6) comprise first connecting rods (13) and second connecting rods (14), the first connecting rod (13) is fixedly connected with the side wall of the second T-shaped sliding block (6), the lower end of the second connecting rod (14) is connected with the punching die head (15), a groove (19) with a downward opening is formed in the first connecting rod (13), the second connecting rod (14) is inserted into the groove (19), a second driving motor (20) is arranged on the inner wall of the upper side of the groove (19), the output shaft of the second driving motor (20) is connected with a second threaded rod (21), the second threaded rod (21) penetrates through the second connecting rod (14) and is in threaded connection with the second connecting rod (14), first sliding grooves (22) are formed in the inner walls of the two sides of the groove (19), and first sliding blocks (23) matched with the first sliding grooves (22) are arranged on the side wall of the second connecting rod (14);
a buffer device is arranged in the placing groove (16), the buffer device comprises a stress plate (18) and a plurality of first springs (17) arranged on the lower side of the stress plate (18), the first springs (17) are fixedly connected with the inner wall of the lower side of the placing groove (16), and arc-shaped grooves corresponding to the punching heads (15) are formed in the upper side wall of the stress plate (18);
a mounting groove (24) with a downward opening is formed in the second connecting rod (14), the inner wall of the upper side of the mounting groove (24) is connected with a sliding plate (26) through a second spring (25), the side wall of the die head (15) is fixedly connected with a third connecting rod (27), the third connecting rod (27) is matched with the mounting groove (24), an annular clamping groove (29) and a plurality of second sliding grooves (28) which are vertically arranged are formed in the inner wall of the mounting groove (24), the plurality of second sliding grooves (28) are communicated with the annular clamping groove (29), and a second sliding block (30) matched with the second sliding grooves (28) is arranged on the side wall of the third connecting rod (27);
the side wall of the second connecting rod (14) is further connected with a threaded clamping rod (32) in a threaded mode, the threaded clamping rod (32) extends into the annular clamping groove (29), and a threaded clamping groove (31) matched with the threaded clamping rod (32) is formed in the second sliding block (30);
the inner wall of the placing groove (16) is respectively and rotatably connected with two vertical plates (34) through two rotating devices (33), the two vertical plates (34) are respectively arranged at two sides of the stress plate (18), clamping grooves (35) are respectively formed in two side walls, opposite to the vertical plates (34), of the clamping grooves (35), vertically-arranged third threaded rods (36) are rotatably connected in the clamping grooves (35), clamping plates (37) matched with the third threaded rods (36) are sleeved on the third threaded rods (36), third sliding grooves (38) are vertically formed in the inner wall of the clamping grooves (35), and the side walls of the clamping plates (37) are in sliding connection with the third sliding grooves (38) through third sliding blocks (39);
the lower side walls of the clamping grooves (35) and the clamping plates (37) are provided with rubber protection pads, and the surfaces of the rubber protection pads are provided with anti-skidding lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064143.9A CN107716718B (en) | 2017-11-02 | 2017-11-02 | Flexible die for stretch bending of section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064143.9A CN107716718B (en) | 2017-11-02 | 2017-11-02 | Flexible die for stretch bending of section bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107716718A CN107716718A (en) | 2018-02-23 |
| CN107716718B true CN107716718B (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711064143.9A Active CN107716718B (en) | 2017-11-02 | 2017-11-02 | Flexible die for stretch bending of section bar |
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| CN (1) | CN107716718B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704982A (en) * | 2018-05-14 | 2018-10-26 | 杨杰 | A kind of anti-snap-gauge and facilitate fixed arrangements for automotive doors diel |
| CN109092959B (en) * | 2018-08-14 | 2020-06-12 | 中山市祥亿精密五金模具制品有限公司 | Working method of high-precision stamping die convenient to replace |
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| CN206373210U (en) * | 2017-01-14 | 2017-08-04 | 阳泉市广凯机械制造有限公司 | A kind of punch press |
| CN206407108U (en) * | 2017-01-17 | 2017-08-15 | 东莞市银燕电气科技有限公司 | A kind of fast assembling disassembling structure of blade |
| CN107150081A (en) * | 2017-05-04 | 2017-09-12 | 广东豪美铝业股份有限公司 | A kind of positioning punching device processed for aluminium section die |
| CN107159750A (en) * | 2017-07-25 | 2017-09-15 | 佛山市正略信息科技有限公司 | It is a kind of to be easy to mobile hardware Plate Bending Machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20320712U1 (en) * | 2003-11-28 | 2004-12-23 | Siemens Ag | Adjustable tool for manufacture of flat, positive or negative shaped products has matrix of individual punches which can be set in height direction to conform to desired product profile |
| CN203030789U (en) * | 2012-12-30 | 2013-07-03 | 建新赵氏集团有限公司 | Three-dimensional stretch bending device of sealing strip of automotive door frame |
| CN104275393B (en) * | 2013-11-12 | 2016-08-17 | 中国科学院宁波材料技术与工程研究所 | Reconfigurable die and the shaped device of reconfigurable die |
| CN103878238B (en) * | 2014-03-28 | 2015-12-02 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of flexible die for stretch bending |
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2017
- 2017-11-02 CN CN201711064143.9A patent/CN107716718B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206373210U (en) * | 2017-01-14 | 2017-08-04 | 阳泉市广凯机械制造有限公司 | A kind of punch press |
| CN206407108U (en) * | 2017-01-17 | 2017-08-15 | 东莞市银燕电气科技有限公司 | A kind of fast assembling disassembling structure of blade |
| CN107150081A (en) * | 2017-05-04 | 2017-09-12 | 广东豪美铝业股份有限公司 | A kind of positioning punching device processed for aluminium section die |
| CN107159750A (en) * | 2017-07-25 | 2017-09-15 | 佛山市正略信息科技有限公司 | It is a kind of to be easy to mobile hardware Plate Bending Machine |
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Denomination of invention: A flexible die for stretch bending of profiles Effective date of registration: 20230201 Granted publication date: 20200501 Pledgee: Dangtu when financing Company limited by guarantee Pledgor: ANHUI SHENGDA QIANLIANG ALUMINUM Co.,Ltd. Registration number: Y2023980031891 |