CN113441624A - Angle steel opening and closing angle processing device - Google Patents
Angle steel opening and closing angle processing device Download PDFInfo
- Publication number
- CN113441624A CN113441624A CN202110589591.0A CN202110589591A CN113441624A CN 113441624 A CN113441624 A CN 113441624A CN 202110589591 A CN202110589591 A CN 202110589591A CN 113441624 A CN113441624 A CN 113441624A
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- angle
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- lower die
- angle steel
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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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- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention provides an angle steel opening and closing angle processing device, which comprises: base, lower mould, tight piece in top, supporting seat and clamp plate, the surface at the base is all installed to lower mould, tight piece in top and supporting seat, and the side of lower mould is equipped with the tight face in first top, and the side of the tight piece in top is equipped with the tight face in second top, and the tight face in first top is just tight face in second top and both are parallel to each other, and the one side that the base was kept away from to the lower mould is equipped with spacing face, the one end and the supporting seat of clamp plate rotate to be connected, and the clamp plate is located the lower mould top, and the connecting wire of the tight face in first top and spacing face is parallel to each other with clamp plate place plane. The angle steel opening and closing angle processing device can be used for carrying out opening and closing angle processing on angle steels with different sizes, and in the opening and closing angle processing process, force is applied to the angle steels in a surface contact mode, so that the problem that the edges of force application positions are sheared and torn is effectively avoided, the rejection rate is reduced, and the angle steel opening and closing angle processing device has a good application prospect.
Description
Technical Field
The invention relates to the technical field of tool fixtures, in particular to an angle steel opening and closing angle machining device.
Background
In the field of power transmission towers, angle steel is required to be used on a large scale, when the angle steel is connected and prepared into a tower, the angle steel can be subjected to angle opening and closing treatment according to the requirement of a connecting position, the conventional angle steel angle opening and closing angle processing device generally adopts an upper die and a lower die to be matched to carry out angle adjustment on the angle steel, the opposite surfaces of the upper die and the lower die have specific angles, and the surfaces corresponding to the angle steel can deform after being pressed by the dies, so that the angle opening and closing purpose is achieved, but because the upper die and the lower die are relatively fixed in structure, a pressing surface and the surface of the angle steel form a certain angle, the dies and the angle steel are in line contact when pressing is just started, the contact position gradually changes from a line to a plane in the pressing process, the whole surface of the angle steel needs to undergo a deformation process in the pressing process, and the position which is firstly contacted can always displace and deform in the pressing process, tearing is most likely to occur at the edge locations where the lines touch. This has a great adverse effect on the structural strength of the angle steel, and even on the yield.
Disclosure of Invention
In view of the above, the present invention provides an angle iron opening and closing angle processing device capable of performing more stable processing on angle iron.
The technical scheme of the invention is realized as follows: the invention provides an angle steel opening and closing angle processing device, which comprises: base, lower mould, tight piece in top, supporting seat and clamp plate, the surface at the base is all installed to lower mould, tight piece in top and supporting seat, and the side of lower mould is equipped with the tight face in first top, and the side of the tight piece in top is equipped with the tight face in second top, and the tight face in first top is just tight face in second top and both are parallel to each other, and the one side that the base was kept away from to the lower mould is equipped with spacing face, the one end and the supporting seat of clamp plate rotate to be connected, and the clamp plate is located the lower mould top, and the connecting wire of the tight face in first top and spacing face is parallel to each other with clamp plate place plane.
On the basis of above technical scheme, preferred, still include slider and first lead screw, the spout has been seted up to the side of supporting seat, and slider slidable mounting is in the spout, first lead screw and slider screw-thread fit, the length direction of first lead screw is parallel to each other with the length direction of spout, the one end and the slider of clamp plate rotate to be connected, and the length direction mutually perpendicular of the connecting wire of first tight face and spacing face and first lead screw.
On the basis of above technical scheme, preferred, still include transmission structure, lower mould slidable mounting is on the base surface, and transmission structure fixed mounting is on the base surface, and transmission structure is located the lower mould and keeps away from one side of tight piece in top, and transmission structure drive lower mould is at the base surface and is reciprocating motion along the direction of the first tight face in top of perpendicular to.
On the basis of above technical scheme, it is preferred, transmission structure includes fixing base, second lead screw and first spacing ring, and the base surface of one side of tight piece in top is kept away from to fixing base fixed mounting at the lower mould, the second lead screw link up the fixing base and with lower mould screw-thread fit, the length direction of second lead screw and first tight face mutually perpendicular in top, the equal coaxial fixed mounting in surface that the second lead screw is located the fixing base both sides has first spacing ring, the tip of first spacing ring supports and holds on the fixing base surface.
Still further preferably, the device further comprises a transmission block, wherein one end, far away from the supporting seat, of the pressing plate is rotatably connected with the transmission block, and the pressing plate is parallel to the rotating shafts of the supporting seat and the transmission block.
On the basis of the technical scheme, the support plate is preferably arranged on the surface of the base, the number of the support plates is two, and the two support plates are respectively positioned on two sides of the first jacking surface.
On the basis of the technical scheme, preferably, the plane where the supporting plates are located is perpendicular to the first tightening surface, and the two supporting plates are symmetrically arranged on two sides of the first tightening surface.
On the basis of the above technical solution, preferably, an edge of one end of the support plate, which is far away from the base, is subjected to chamfering treatment.
On the basis of the technical scheme, the automatic feeding device is preferred to further comprise a third screw rod and a second limiting ring, the length direction of the third screw rod is perpendicular to the plane where the supporting plates are located, the third screw rod penetrates through the lower die and the two supporting plates and is in threaded fit with the two supporting plates, the second limiting ring is coaxially and fixedly mounted on the surfaces of the third screw rod located on the two sides of the lower die, the end portion of the second limiting ring abuts against the surface of the lower die, and the threads of the third screw rod located on the two sides of the lower die are symmetrical to each other.
Compared with the prior art, the angle steel opening and closing angle processing device has the following beneficial effects:
(1) the angle steel opening and closing angle processing device adopts the pressing plate structure to replace a conventional upper die, so that the problem of overlarge local shearing force caused by line contact between a die and angle steel in the initial molding stage in the conventional angle steel opening and closing angle processing device is solved;
(2) whole device simple structure, adjustable lower mould and slider structure make this application can be applicable to the angle of opening and shutting of not unidimensional angle steel handle, and to the great angle steel of size, through the backup pad structure that the position can the symmetric regulation, can let the position of the angle of opening and shutting have more buffer intervals, and be difficult for tearing, have good application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an axonometric view of an angle steel opening and closing angle processing device of the invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is an isometric view of an angle steel opening and closing angle processing device in another structure of the embodiment of the invention;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is an isometric view of the lower die and the top clamping block;
FIG. 6 is an isometric view of the lower die and the top block from another perspective.
In the figure: 1-base, 2-lower die, 3-top block, 4-support base, 5-press plate, 6-slide block, 7-first screw rod, 8-transmission structure, 9-transmission block, 10-support plate, 11-third screw rod, 12-second spacing ring, 21-first top tight surface, 22-spacing surface, 31-second top tight surface, 41-chute, 81-fixing base, 82-second screw rod and 83-first spacing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, with reference to fig. 2-6, the angle steel open-close angle processing device of the present invention comprises a base 1, a lower die 2, a tightening block 3, a support seat 4 and a pressing plate 5, wherein the lower die 2, the tightening block 3 and the support seat 4 are fixedly installed on the upper surface of the base 1, one surface of the lower die 2 away from the base 1 is used as a limiting surface 22, the limiting surface 22 and the pressing plate 5 are mutually matched to compress one surface of the angle steel to change the angle and achieve the purpose of opening and closing the angle, the tightening block 3 is arranged adjacent to the lower die 2, a gap is formed between the tightening block 3 and the lower die 2 to clamp and fix the other surface of the angle steel, one surface of the lower die 2 close to the tightening block 3 is a first tightening surface 21, one surface of the tightening block 3 close to the lower die 2 is a second tightening surface 31, the two tightening surfaces are mutually parallel, one end portion of the pressing plate 5 is rotatably connected with the support seat 4, and one end of the pressing plate 5 away from the support seat 4 is driven to move, the pressing plate 5 swings relative to the supporting seat 4, the pressing plate 5 is located above the limiting surface 22 of the lower die 2, and a straight line where the first jacking surface 21 and the limiting surface 22 are connected is parallel to the plane where the pressing plate 5 is located.
In the above embodiment, when the angle steel is installed on lower mould 2, wherein one side imbeds between lower mould 2 and top tight piece 3, the another side then is located spacing 22 top, through the hookup location between control pressing plate 5 and the supporting seat 4, can make 5 surfaces of clamp plate paste tightly in the one side that the angle steel is located spacing 22 top, drive the tip that supporting seat 4 was kept away from to clamp plate 5 this moment, compress tightly on spacing 22, clamp plate 5 wholly pastes tightly on the angle steel surface, the angle steel atress is even this moment, wholly crooked, thereby reach angle regulation's purpose, compared with the prior art, in the above embodiment, in the accommodation process, the angle steel surface is accepted evenly, difficult emergence is torn.
In a specific embodiment, the device further comprises a sliding block 6 and a first screw rod 7, a sliding groove 41 is formed in the side surface of the supporting seat 4, the sliding block 6 is slidably mounted in the sliding groove 41, the first screw rod 7 is in threaded fit with the sliding block 6, the length direction of the first screw rod 7 is parallel to that of the sliding groove 41, one end of the pressing plate 5 is rotatably connected with the sliding block 6, and a connecting line between the first tightening surface 21 and the limiting surface 22 is perpendicular to the length direction of the first screw rod 7.
In the above embodiment, since the position of the pressing plate 5 is adjusted by using the sliding block 6, the angle steels have different types, the angle steels of different types have different widths and thicknesses, and in order to ensure that the pressing plate 5 can make surface contact with the surface of the angle steel, the height position of the pressing plate 5 relative to the lower die 2 needs to be adjusted. The first lead screw 7 is used for driving the slide block 6 to move, and it should be understood that in practical use, the first lead screw 7 is not driven and braked by an external driving mechanism, so that the adjustment and the fixation of the position of the slide block 6 are realized.
In the specific implementation mode, still include drive structure 8, lower mould 2 slidable mounting is on base 1 surface, and drive structure 8 fixed mounting is on base 1's surface, and drive structure 8 is located the one side that tight piece 3 was kept away from to lower mould 2, and drive structure 8 drive lower mould 2 is at base 1's surface along the reverse reciprocating motion of perpendicular to first tight face 21 of top.
In the above embodiment, also in order to adapt to angle steels of different specifications, in order to ensure the clamping effect between the lower die 2 and the jacking block 3, a transmission structure 8 is adopted to drive the position of the lower die 2, the lower die 2 is correspondingly and slidably mounted on the surface of the base 1, as a concrete implementable structure, a groove is formed on the surface of the base 1, a corresponding protrusion is arranged on the lower surface of the lower die 2, the lower die 2 is embedded in the groove through the protrusion, so that the mounting stability of the lower die 2 is realized, the transmission structure 8 drives the lower die 2 to reciprocate along the direction perpendicular to the first jacking surface 21, it should be understood that any structure with linear reciprocating driving capability can be adopted as the transmission structure 8, such as an air cylinder, an oil cylinder and the like, and through the transmission structure 8 and the slide block 6, the present invention can perform positioning clamping and opening and closing angle operations on angle steels of different specifications.
In a specific embodiment, the transmission structure 8 further includes a fixing seat 81, a second lead screw 82 and a first limiting ring 83, the fixing seat 81 is fixedly installed on the surface of the base 1 on one side of the lower die 2 far away from the tightening block 3, the second lead screw 82 penetrates through the fixing seat 81 and is in threaded fit with the lower die 2, the length direction of the second lead screw 82 is perpendicular to the first tightening surface 21, the surfaces of the second lead screw 82 on the two sides of the fixing seat 81 are coaxially and fixedly installed with the first limiting ring 83, and the end of the first limiting ring 83 abuts against the surface of the fixing seat 81.
In the above embodiment, because the pressure applied to the angle steel is large during the opening and closing angle operation, which can generally reach hundreds of tons, in order to ensure the stability of the lower die 2, the lower die 2 is driven by adopting the screw rod structure, the second screw rod 82 penetrates through the fixed seat 81, and the two first limiting rings 83 are installed on the second screw rod 82, so as to ensure that the position of the second screw rod 82 relative to the fixed seat 81 is unchanged, and the second screw rod 82 is rotated to adjust the position of the lower die 2 relative to the dog, which passes through the fixed seat 81.
In the specific embodiment, the device further comprises a transmission block 9, one end of the pressing plate 5, which is far away from the supporting seat 4, is rotatably connected with the transmission block 9, and the rotating shafts of the pressing plate 5, the supporting seat 4 and the transmission block 9 are parallel to each other.
In the above embodiment, the opening and closing angle requires a large force, and particularly for the angle steel with a large size and model, a hydraulic press of hundreds of tons is usually required to apply force, therefore, in order to ensure that the movable end of the pressure plate 5 can be stably connected with the force application device, the transmission block 9 is used as an intermediate connecting piece, the transmission block 9 is hinged with the pressure plate 5, the external force application device is fixedly connected with the transmission block 9, and simultaneously, because the free end of the pressure plate 5 rotates, the distance between the driving block and the supporting seat 4 is changed constantly, so that in order to adapt to the changing process, the free end swing of the pressing plate 5 can be realized by the force application equipment through stable output force in one direction, the driving block 9 can be hinged with external force application equipment, thereby ensuring that the pressure plate 5 can swing freely within a certain movement range of the force application equipment.
In the specific embodiment, the base plate device further comprises two support plates 10, the support plates 10 are mounted on the surface of the base 1, and the two support plates 10 are respectively located on two sides of the first tightening surface 21.
In the above embodiment, in order to ensure that the angle steel opening and closing angle processing device is operated to open and close the angle, the processing position of the angle steel is controlled, and when the angle is prevented from opening and closing, the angle steel of the accessory is also stressed and deformed, so that the quality of the angle steel is influenced, the supporting plates 10 are arranged on the two sides of the lower die 2, and therefore the angle steel which does not need to be processed can be supported, and deformation caused by the action of the pressing plate 5 is avoided.
In the specific embodiment, the base plate device further comprises two support plates 10, the support plates 10 are mounted on the surface of the base 1, and the two support plates 10 are respectively located on two sides of the first tightening surface 21.
In the above embodiment, the two support plates 10 support the angle iron from both sides, respectively, thereby ensuring symmetry of the opening and closing angle position.
In the specific embodiment, the plane of the support plate 10 is perpendicular to the first tightening surface 21, and the two support plates 10 are symmetrically arranged on two sides of the first tightening surface 21.
In the above embodiment, the supporting plate 10 perpendicular to the first tightening surface 21 can ensure that the supporting position is parallel to the angle steel length direction and perpendicular to the angle steel length direction, so that the processing position of the opening and closing angle can be more beautiful.
In the embodiment, the edge of the end of the support plate 10 remote from the base 1 is chamfered.
In the above embodiment, because the angle in-process that opens and shuts, the position of backup pad 10 and angle steel surface contact can constantly take place deformation, becomes the curved surface by the dull and stereotyped face gradually, consequently, brings the damage to angle steel surface contact position for line contact, and the backup pad 10 that adopts the chamfer to handle in this application can increase the area of contact with angle steel angle position edge that opens and shuts to play the guard action to the angle steel.
In a specific embodiment, the stamping die further comprises a third screw rod 11 and a second limiting ring 12, the length direction of the third screw rod 11 is perpendicular to the plane where the support plate 10 is located, the third screw rod 11 penetrates through the lower die 2 and the two support plates 10 and is in threaded fit with the two support plates 10, the second limiting ring 12 is coaxially and fixedly mounted on the surfaces of the third screw rod 11 located on the two sides of the lower die 2, the end portion of the second limiting ring 12 abuts against the surface of the lower die 2, and the threads of the third screw rod 11 located on the two sides of the lower die 2 are symmetrical to each other.
In the above embodiment, the third screw 11 with the bidirectional screw thread can be used to synchronously drive the two side support plates 10, so that the position of the support plates 10 can be adjusted to adapt to the processing of the opening and closing angles of the angle steels with different specifications, the shapes of the opening and closing angle positions can also be adjusted, and the support plates 10 synchronously move to ensure the symmetry and uniformity of the shapes of the two sides.
The working principle is as follows:
as shown in fig. 1 and 2, when the angle closing operation is required, one surface of the angle steel is embedded between the lower die 2 and the jacking block 3, the position of the lower die 2 is adjusted to jack the angle steel, the position of the sliding block 6 is adjusted, so that the pressing plate 5 can be attached to the other surface of the angle steel, and then the driving block 9 is driven by external driving equipment to move, so that the pressing plate 5 is driven to perform angle closing operation on the angle steel;
as shown in fig. 3 and 4, when the angle opening operation is required, one surface of the angle steel is embedded between the lower die 2 and the jacking block 3, the position relationship of the supporting seat relative to the jacking block 3 of the embodiment is opposite to the position relationship of the angle closing operation, the angle steel is jacked by adjusting the position of the lower die 2 at the moment, and the position of the sliding block 6 is adjusted, so that the pressing plate 5 can be tightly attached to the other surface of the angle steel, and then the driving block 9 is driven to move by external driving equipment, so that the pressing plate 5 is driven to perform the angle opening processing on the angle steel.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an angle steel angle processingequipment that opens and shuts which characterized in that includes: base (1), lower mould (2), tight piece (3) in top, supporting seat (4) and clamp plate (5), lower mould (2), the tight piece in top (3) and supporting seat (4) are all installed on the surface of base (1), and the side of lower mould (2) is equipped with first tight face in top (21), and the side of tight piece in top (3) is equipped with the tight face in second top (31), and first tight face in top (21) just is parallel to each other to tight face in second top (31) and both, and the one side that base (1) was kept away from in lower mould (2) is equipped with spacing face (22), the one end and supporting seat (4) of clamp plate (5) are rotated and are connected, and clamp plate (5) are located lower mould (2) top, and the connecting wire of first tight face in top (21) and spacing face (22) is parallel to each other with clamp plate (5) place plane.
2. The angle steel opening and closing angle machining device according to claim 1, further comprising a sliding block (6) and a first screw rod (7), wherein a sliding groove (41) is formed in a side surface of the supporting seat (4), the sliding block (6) is slidably mounted in the sliding groove (41), the first screw rod (7) is in threaded fit with the sliding block (6), the length direction of the first screw rod (7) is parallel to the length direction of the sliding groove (41), one end of the pressing plate (5) is rotatably connected with the sliding block (6), and a connecting line of the first tightening surface (21) and the limiting surface (22) is perpendicular to the length direction of the first screw rod (7).
3. The angle steel opening and closing angle machining device according to claim 1, further comprising a transmission structure (8), wherein the lower die (2) is slidably mounted on the surface of the base (1), the transmission structure (8) is fixedly mounted on the surface of the base (1), the transmission structure (8) is located on one side of the lower die (2) far away from the jacking block (3), and the transmission structure (8) drives the lower die (2) to reciprocate on the surface of the base (1) in a direction perpendicular to the first jacking surface (21).
4. The angle steel opening and closing angle machining device according to claim 3, wherein the transmission structure (8) comprises a fixed seat (81), a second lead screw (82) and a first limiting ring (83), the fixed seat (81) is fixedly installed on the surface of the base (1) on one side, away from the jacking block (3), of the lower die (2), the second lead screw (82) penetrates through the fixed seat (81) and is in threaded fit with the lower die (2), the length direction of the second lead screw (82) is perpendicular to the first jacking surface (21), the first limiting ring (83) is coaxially and fixedly installed on the surfaces, located on the two sides of the fixed seat (81), of the second lead screw (82), and the end portion of the first limiting ring (83) abuts against the surface of the fixed seat (81).
5. The angle steel opening and closing angle processing device according to claim 1, further comprising a transmission block (9), wherein one end of the pressing plate (5) far away from the supporting base (4) is rotatably connected with the transmission block (9), and the rotating shafts of the pressing plate (5), the supporting base (4) and the transmission block (9) are parallel to each other.
6. The angle iron angle opening and closing angle machining device according to claim 1, characterized by further comprising two support plates (10), wherein the two support plates (10) are mounted on the surface of the base (1), and the two support plates (10) are respectively located on two sides of the first jacking surface (21).
7. The angle iron opening and closing angle processing device as claimed in claim 6, characterized in that the plane of the support plate (10) is perpendicular to the first tightening surface (21), and the two support plates (10) are symmetrically arranged on two sides of the first tightening surface (21).
8. The angle iron opening and closing angle machining device as claimed in claim 6, characterized in that the edge of one end of the support plate (10) far away from the base (1) is chamfered.
9. The angle steel opening and closing angle machining device according to claim 7, further comprising a third screw rod (11) and a second limiting ring (12), wherein the length direction of the third screw rod (11) is perpendicular to the plane where the support plates (10) are located, the third screw rod (11) penetrates through the lower die (2) and the two support plates (10) and is in threaded fit with the two support plates (10), the second limiting ring (12) is coaxially and fixedly mounted on the surfaces of the third screw rod (11) located on the two sides of the lower die (2), the end portion of the second limiting ring (12) abuts against the surface of the lower die (2), and the threads of the third screw rod (11) located on the two sides of the lower die (2) are symmetrical to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110589591.0A CN113441624B (en) | 2021-05-28 | 2021-05-28 | Angle steel opening and closing angle processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110589591.0A CN113441624B (en) | 2021-05-28 | 2021-05-28 | Angle steel opening and closing angle processing device |
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| Publication Number | Publication Date |
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| CN113441624A true CN113441624A (en) | 2021-09-28 |
| CN113441624B CN113441624B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110589591.0A Active CN113441624B (en) | 2021-05-28 | 2021-05-28 | Angle steel opening and closing angle processing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201880790U (en) * | 2010-10-08 | 2011-06-29 | 苏州腾发集团有限公司 | Plate pressing die |
| CN204018533U (en) * | 2014-08-04 | 2014-12-17 | 河南永光电力科技有限公司 | A kind of angle iron angle switching mold |
| CN107214258A (en) * | 2017-06-30 | 2017-09-29 | 四川宇桥铁塔有限公司 | It is a kind of to improve the process that equal leg angle closes cutin amount |
| CN208373900U (en) * | 2018-06-07 | 2019-01-15 | 南通航力重工机械有限公司 | A kind of transverse fold machine of speciality workpiece |
| CN209531751U (en) * | 2019-02-11 | 2019-10-25 | 山东硕诚机械有限公司 | Metal plate bending part is orthopedic to use tooling |
-
2021
- 2021-05-28 CN CN202110589591.0A patent/CN113441624B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201880790U (en) * | 2010-10-08 | 2011-06-29 | 苏州腾发集团有限公司 | Plate pressing die |
| CN204018533U (en) * | 2014-08-04 | 2014-12-17 | 河南永光电力科技有限公司 | A kind of angle iron angle switching mold |
| CN107214258A (en) * | 2017-06-30 | 2017-09-29 | 四川宇桥铁塔有限公司 | It is a kind of to improve the process that equal leg angle closes cutin amount |
| CN208373900U (en) * | 2018-06-07 | 2019-01-15 | 南通航力重工机械有限公司 | A kind of transverse fold machine of speciality workpiece |
| CN209531751U (en) * | 2019-02-11 | 2019-10-25 | 山东硕诚机械有限公司 | Metal plate bending part is orthopedic to use tooling |
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| Publication number | Publication date |
|---|---|
| CN113441624B (en) | 2023-04-18 |
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