CN113351727A - Angle steel cutting device capable of reducing plastic deformation - Google Patents
Angle steel cutting device capable of reducing plastic deformation Download PDFInfo
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- CN113351727A CN113351727A CN202110642401.7A CN202110642401A CN113351727A CN 113351727 A CN113351727 A CN 113351727A CN 202110642401 A CN202110642401 A CN 202110642401A CN 113351727 A CN113351727 A CN 113351727A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 151
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 90
- 239000010959 steel Substances 0.000 title claims abstract description 90
- 238000004080 punching Methods 0.000 claims abstract description 10
- 238000009415 formwork Methods 0.000 claims description 10
- 229910000746 Structural steel Inorganic materials 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 238000000034 method Methods 0.000 description 15
- 229910052742 iron Inorganic materials 0.000 description 13
- 238000003825 pressing Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001227561 Valgus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- 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
- 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)
- Shearing Machines (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The application discloses reduce plastic deformation's angle steel cutting device includes: the punching machine comprises a die handle, a punch and a lower die slot group, wherein the lower die slot group is arranged on an operation table of the punching machine; the die handle is connected with the top surface of the punch; the die handle is in driving connection with a punching rod of the punching machine; the punch includes: the cutting device comprises a first cutting column, a second cutting column, a first inclined cutting edge and a second inclined cutting edge, wherein the cross section area of the first cutting column is larger than that of the second cutting column, and the second cutting column is arranged in the middle of the first side wall of the first cutting column; the first inclined cutting edge is arranged on the bottom surface of the first cutting column; the second oblique cutting edge is arranged on the bottom surface of the second cutting column; the cutting device can improve cutting efficiency and reduce production cost. Cut off the incision of unloading mould once, no burr, incision level need not polish the processing in addition, and it is faster than water cutting machine, the abrasive wheel cutting machine efficiency of usual use, the cost is lower, and the loss of having saved the saw bit becomes the most durable instrument, to a certain extent, has improved production efficiency, has reduced manufacturing cost.
Description
Technical Field
The application relates to the technical field of angle steel processing, in particular to an angle steel cutting device capable of reducing plastic deformation.
Background
The angle steel is used as a main body building material for various outdoor power transmission and communication cable lapping iron towers, and the using amount is large. The angle steel is used as a common section bar in the building field, the using amount is large, the required length range is large, the angle steel is influenced by the length of the angle steel in the processing process of some projects, and the fracture of the angle steel is seriously stretched and twisted when the existing angle steel is processed, so that the notch flatness meets the bottom.
After the angle steel is cut by the existing water cutting machine and the existing grinding wheel cutting machine, burrs at the cut are increased, the cut surface is an inclined surface, and the angle steel can be used only by being polished for multiple times. The processing efficiency is reduced, and the production cost is increased.
Once the flatness of the cut of the angle steel is poor, the width of a welding seam of each connecting point is increased when the iron tower is assembled, the protruding height of a weld scar is increased, meanwhile, the variable cross section of the angle steel with torsional deformation degree is generated, the possibility that the iron tower is overturned when being used outdoors is increased, and therefore the use safety of equipment is improved.
Disclosure of Invention
The application provides a reduce plastic deformation's angle steel cutting device for solve current iron tower and build with the angle steel cutting after, plastic deformation increase and accumulation on the variable cross section, the lower welded junction welding seam that leads to of section roughness simultaneously widens, and the crater height increases, in reducing iron tower equipment back use, section department connection reliability and support strength, and the technical problem that the iron tower that from this causes emptys.
The application provides a reduce plastic deformation's angle steel cutting device includes: a die handle, a punch and a lower die groove group,
the lower die slot group is arranged on the operating platform surface of the punch press; the die handle is connected with the top surface of the punch; the die handle is in driving connection with a punching rod of the punching machine;
the punch includes: the cutting device comprises a first cutting column, a second cutting column, a first inclined cutting edge and a second inclined cutting edge, wherein the cross section area of the first cutting column is larger than that of the second cutting column, and the second cutting column is arranged in the middle of the first side wall of the first cutting column; the first inclined cutting edge is arranged on the bottom surface of the first cutting column; the second oblique cutting edge is arranged on the bottom surface of the second cutting column;
the angle steel to be cut includes: the lower die comprises a lower die slice and a first bevel edge which are vertically connected, wherein one end of the first bevel edge is connected with one end of the lower die slice; the length of the first bevel edge is greater than that of the lower die slice;
the lower chute group comprises: the die comprises a die shell, a lower die slice, a first insert, a second insert and a base, wherein the first insert, the second insert and the base are accommodated in the die shell; the lower die slice is accommodated and arranged on the top surface of the base, and the base is clamped between the first insert and the second insert;
the punch is inserted into the lower die slice and performs reciprocating lifting motion relative to the lower die slice; the bottom surface of the punch is matched with the lower die slice;
the lower die slice comprises: the first oblique cutting groove and the first oblique cutting edge are attached to each other; the second oblique cutting groove is attached to the second oblique cutting edge;
the second insert comprises: the lug is abutted against the outer side wall of the lower die slice;
the first oblique cutting groove and the horizontal plane form an included angle of 10 degrees; the first oblique cutting groove is vertically connected with the second oblique cutting groove;
the first bevel edge of the angle steel is clamped between the first bevel cutting edge and the first bevel groove; the lower die slice of the angle steel is clamped between the second inclined cutting edge and the second inclined groove;
when the device is used for cutting off the angle steel, the punch falls after the section to be cut of the angle steel extends into the lower die slice, and the process is repeated for 3 times.
Preferably, the method comprises the following steps: the first transverse fixing screw, the second transverse fixing screw, the third transverse fixing screw and the fourth transverse fixing screw are arranged on the formwork, and the first transverse fixing screw is arranged on the outer side wall of the first insert in a penetrating mode and is abutted to the module; the second transverse fixing screw is parallel to the first transverse fixing screw and is arranged on the outer side wall of the first insert in a butting mode through the module;
the third transverse fixing screw is arranged on the outer side wall of the second insert in a penetrating mode; the fourth transverse fixing screw is parallel to the third transverse fixing screw and is arranged on the outer side wall of the second insert in a penetrating mode, and the module abuts against the outer side wall of the second insert.
Preferably, the method comprises the following steps: the first Z-direction fixing screw, the second Z-direction fixing screw, the third Z-direction fixing screw and the fourth Z-direction fixing screw are arranged on the formwork, and the first Z-direction fixing screw and the second Z-direction fixing screw penetrate through the formwork and are abutted to the Z-direction side wall of the second insert at intervals; the third Z-direction fixing screw and the fourth Z-direction fixing screw penetrate through the formwork and are in contact with the Z-direction side wall of the first insert at intervals.
Preferably, the method comprises the following steps: the upper die plate is sleeved on the bottom surface of the die shank and is connected with the die shank; the fixing plate is sleeved on the outer wall of the top surface of the punch and is connected with the punch; the upper die cushion block is arranged between the upper die plate and the fixing plate; the upper template, the upper die cushion block and the fixing plate are connected in an overlapping mode.
Preferably, the method comprises the following steps: the positioning pins are arranged on two sides of the die shank in pairs and sequentially penetrate through the upper die plate, the upper die cushion block and the fixing plate;
the set screw encircles the lateral wall of the lower part of the die handle, and the upper die plate is connected with the die handle through the set screw.
Preferably, the method comprises the following steps: the support device comprises a support groove, a first hydraulic abutting group, a second hydraulic abutting group and a top hydraulic abutting group, wherein the support groove is arranged on the feeding end of the module; the angle steel to be cut is accommodated and arranged in the supporting groove; the first hydraulic abutting group is inserted into the first side wall of the support groove and abutted against the first oblique edge of the angle steel to be cut; the second hydraulic abutting group is inserted into the first side wall of the supporting groove and abuts against the first oblique edge of the angle steel to be cut; the top hydraulic abutting group abuts against the top surface of the angle steel to be cut.
Preferably, said first hydraulic abutment group comprises: the device comprises a first abutting plate, a first hydraulic rod, a second hydraulic rod and a slide rail; one side wall of the first abutting plate is attached to and abutted against the outer wall of the first bevel edge; the first hydraulic rod and the second hydraulic rod are arranged on the outer wall of the first abutting plate at intervals and penetrate through the side wall of the supporting groove; the sliding rail is arranged at the bottom of the groove; the bottom surface of the first abutting plate is provided with a clamping strip, and the clamping strip is inserted into the slide rail and is arranged along the slide rail in a movable mode.
Preferably, the second hydraulic abutment group comprises: the second abutting plate, the third hydraulic rod, the fourth hydraulic rod and the slide rail are arranged; one side wall of the second abutting plate is attached to and abutted against the outer wall of the lower die slice; the third hydraulic rod and the fourth hydraulic rod are arranged on the outer wall of the second abutting plate at intervals and penetrate through the side wall of the supporting groove; the sliding rail is arranged at the bottom of the groove; the bottom surface of the second abutting plate is provided with a clamping strip, and the clamping strip is inserted into the slide rail and is arranged along the slide rail in a movable mode.
The beneficial effects that this application can produce include:
1) the application provides a reduction plastic deformation's angle steel cutting device, this cutting device can improve cutting efficiency, reduction in production cost. Cut off the incision of unloading mould once, no burr, incision level need not polish the processing in addition, and it is faster than water cutting machine, the abrasive wheel cutting machine efficiency of usual use, the cost is lower, and the loss of having saved the saw bit becomes the most durable instrument, to a certain extent, has improved production efficiency, has reduced manufacturing cost, has shortened the time limit for a project.
2) The utility model provides an angle steel cutting device who reduces plastic deformation, the angle steel of adopting this method and device cutting of this application, through holding the angle steel and setting up the V-arrangement groove in the both ends of cutting module, and set up the butt subassembly in V-arrangement groove top surface and both sides limit, will wait to cut the angle steel monolithic stationary and set up and carry out the cutting after holding the support groove in the V-arrangement, can prevent that angle steel feed end part angle steel bullet from leading to section department cutting angle steel and rest to take place to twist reverse and form plastic deformation, thereby influence the angle steel and build into the iron tower after, the iron tower is at outdoor life. Effectively prolong the service life of angle steel equipment iron tower.
3) The application provides a reduction plastic deformation's angle steel cutting device, angle steel holding tank becomes 10 contained angles with the horizontal plane in the lower mould cutter, can be when the cutting with the first side slant towards the head end setting of angle steel, the drift is at first with the first side contact of angle steel and take place die-cut effect during the cutting, the die-cut power is at first acted on the top surface of angle steel, and by the outside wall conduction of angle steel inner wall, and after the completion is to first side cutting, just can contact and cut with the second limit, can prevent that the whole valgus of cutting off the department angle steel, the plastic deformation that the atress produced during first side cutting can be when the cutting of second limit simultaneously, obtain offsetting the extrusion on first side by the drift, thereby effectively reduce the regional plastic deformation volume of angle steel section after the cutting.
4) The application provides a reduce plastic deformation's angle steel cutting device can process-8 angle steel, and the roughness of angle steel tangent plane can reach
Can meet the technical requirements of common angle steel cutting. Can reduce the angle steel waste material of cutting off, solve the extravagant big problem of steel material in original angle steel cutting off process. Can be replaced according to the specifications of the cut angle steel, and the cutting die can cut the angle steel with various specifications, thereby having wide application range.
Drawings
Fig. 1 is a schematic view illustrating an assembly state of an angle steel cutting module for reducing plastic deformation according to the present application;
FIG. 2 is a schematic top view of a lower mold according to the present disclosure;
FIG. 3 is a front view of the punch provided by the present application;
FIG. 4 is a schematic top view of a punch provided herein;
FIG. 5 is a schematic view of a partially enlarged structure of a lower die cutting base according to the present application;
fig. 6 is a schematic structural view of a front view of an angle steel provided by the present application;
FIG. 7 is a schematic view of a top view structure of an installation state of an angle iron clamping feed chute provided by the present application;
FIG. 8 is a front cross-sectional structural view of a support slot provided in the present application;
illustration of the drawings:
10. a die shank; 11. mounting a template; 12. an upper die cushion block; 14. a fixing plate; 20. a punch; 201. a first tangent post; 202. second column cutting; 203. a first beveled cutting edge; 204. punching the blade; 205. a second beveled cutting edge; 40. angle steel; 401. a first beveled edge; 402. a second beveled edge; 31. slicing a lower die; 311. a first insert; 312. a second insert; 316. a bump; 315. a base; 318. a first oblique cutting groove; 317. a second oblique cutting groove; 32. a formwork; 321. a first transverse set screw; 322. a second transverse set screw; 323. a third transverse set screw; 324. a fourth transverse set screw; 331. a first Z-direction fixing screw; 332. a second Z-direction fixing screw; 333. a third Z-direction fixing screw; 334. a fourth Z-direction fixing screw; 41. a support groove; 411. a first butt joint plate; 412. a first sloping plate; 413. a first hydraulic lever; 414. a second hydraulic rod; 42. a second butt joint plate; 421. a second swash plate; 422. a third hydraulic lever; 423. a fourth hydraulic lever; 431. a lower pressing plate; 432. a fifth hydraulic lever; 433. a slide rail; 434. a tank box; 13. positioning pins; 131. and (5) tightening the screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, the present application provides a device for cutting angle steel 40 with reduced plastic deformation, including: a die handle 10, a punch 20 and a lower die groove group,
the lower die slot group is arranged on the operating platform surface of the punch; the die shank 10 is connected with the top surface of the punch 20; the die handle 10 is in driving connection with a punching rod of a punch press;
the punch 20 includes: the cutting device comprises a first cutting column 201, a second cutting column 202, a first inclined cutting edge 203 and a second inclined cutting edge 205, wherein the cross section area of the first cutting column 201 is larger than that of the second cutting column 202, and the second cutting column 202 is arranged in the middle of the first side wall of the first cutting column 201; the first oblique cutting edge 203 is arranged on the bottom surface of the first cutting column 201; the second beveled cutting edge 205 is disposed on the bottom surface of the second cutting post 202;
the angle steel 40 to be cut includes: the first bevel edge 401 and the lower die slice 31 are vertically connected, and one end of the first bevel edge 401 is connected with one end of the lower die slice 31; the length of the first bevel 401 is greater than the length of the lower die slice 31;
the lower die groove group comprises: the die comprises a die shell 32, a lower die slice, a first insert 311, a second insert 312 and a base 315, wherein the first insert 311, the second insert 312 and the base 315 are accommodated in the die shell 32; the lower die slice is accommodated on the top surface of the base 315, and the base 315 is clamped between the first insert 311 and the second insert 312;
the punch 20 is inserted into the lower die slice and performs reciprocating lifting motion relative to the lower die slice; the bottom surface of the punch 20 is matched with the lower die slice;
the lower die slice comprises: the first oblique cutting groove 318 and the second oblique cutting groove 317, and the first oblique cutting groove 318 is attached to the first oblique cutting edge 203; the second oblique cutting groove 317 is attached to the second oblique cutting edge 205;
the second insert 312 includes: the lug 316 is abutted against the outer side wall of the lower die slice;
the first oblique cutting groove 318 forms an included angle of 10 degrees with the horizontal plane; the first oblique cutting slot 318 is vertically connected with the second oblique cutting slot 317;
the first bevel edge 401 of the angle steel 40 is clamped between the first bevel cutting edge 203 and the first bevel cutting groove 318; the lower die slice 31 of the angle steel 40 is clamped between the second oblique cutting edge 205 and the second oblique cutting groove 317;
when the device is used for cutting off the angle steel 40, after the section to be cut of the angle steel 40 extends into the lower die slice, the punch 20 falls down and repeats for 3 times.
Through setting up the drift 20 of this structure and complex lower mould section with it, when can effectively cut off angle steel 40, slice 31 through abaculus butt lower mould, rectify the trace plastic deformation that produces among the cutting process, thereby reduce the angle steel 40 cutting back, the plastic deformation that produces in section department, effectively improve the angle steel 40 quality, be convenient for be used for putting up of iron tower, can effectively prolong the life that adopts this angle steel 40 to set up the iron tower, reduce the later stage inefficacy because of initial plastic deformation leads to, effectively prolong iron tower life.
By arranging the first beveling groove 318 at 10 ° to the horizontal plane, the lower die slice 31 can be effectively too high, and at the same time, the second beveling edge 205 of the punch 20 is extended, preferentially cutting the lower die slice 31, and achieving downward from the top and producing a cutting edge from the inside to the outside wall, plastic deformation caused in the produced cutting edge, resulting in extrusion of the insert, and correction under the clamping of the punch 20 and the lower die slice, thereby achieving effective correction of plastic deformation of the cross-sectional area.
After the device is adopted to repeat 3 times cutting operation, the burr quantity at the section can be effectively reduced, and the plastic deformation quantity of the section area of the angle steel 40 is reduced, so that the welding connection quality of the angle steel 40 after cutting is improved, the service life of an assembled and built iron tower is prolonged, and the occurrence proportion of bending fracture conditions is reduced.
Preferably, the method comprises the following steps: a first transverse fixing screw 321, a second transverse fixing screw 322, a third transverse fixing screw 323 and a fourth transverse fixing screw 324 which are arranged on the formwork 32, wherein the first transverse fixing screw 321 is arranged on the outer side wall of the first insert 311 in a manner of penetrating through the module and abutting against the module; the second transverse fixing screw 322 is parallel to the first transverse fixing screw 321, and is arranged on the outer side wall of the first insert 311 in a manner of penetrating through the module and abutting against the module; a third transverse fixing screw 323 is arranged on the outer side wall of the second insert 312 in a penetrating mode; the fourth transverse fixing screw 324 is parallel to the third transverse fixing screw 323 and is disposed through the module to abut against the outer sidewall of the second insert 312.
By arranging 4 transverse fixing screws, each insert can be effectively and fixedly arranged in the die shell 32, effective clamping on the lower die slice is provided, and the lower die slice is prevented from shifting when the punch 20 falls.
Preferably, the method comprises the following steps: a first Z-direction fixing screw 331, a second Z-direction fixing screw 332, a third Z-direction fixing screw 333 and a fourth Z-direction fixing screw 334 which are arranged on the mould shell 32, wherein the first Z-direction fixing screw 331 and the second Z-direction fixing screw 332 penetrate through the mould shell 32 and are in contact with the Z-direction side wall of the second insert block 312 at intervals; the third Z-direction fixing screw 333 and the fourth Z-direction fixing screw 334 penetrate the mold casing 32 and are in contact with the Z-direction sidewall of the first insert 311 at intervals.
Through setting up Z to the screw respectively, can strengthen the clamping-force of inserting to the lower mould cutter.
Preferably, the method comprises the following steps: the die comprises an upper die plate 11, an upper die cushion block 12 and a fixing plate 14, wherein the upper die plate 11 is sleeved on the bottom surface of a die shank 10 and is connected with the die shank 10; the fixing plate 14 is sleeved on the outer wall of the top surface of the punch 20 and connected with the punch 20; the upper die cushion block 12 is arranged between the upper die plate 11 and the fixing plate 14; the upper template 11, the upper die cushion block 12 and the fixing plate 14 are connected in an overlapping mode. The connection between the die shank 10 and the punch 20 can be realized by providing the upper die plate 11, the upper die cushion block 12, and the fixing plate 14. The stability of the impact operation is improved.
Preferably, the method comprises the following steps: the support device comprises a support groove 41, a first hydraulic abutting group, a second hydraulic abutting group and a top hydraulic abutting group, wherein the support groove 41 is arranged on the feeding end of the module; the angle steel 40 to be cut is accommodated in the supporting groove 41; the first hydraulic abutting group is inserted into the first side wall of the supporting groove 41 and abuts against the first inclined edge 401 of the angle steel 40 to be cut; the second hydraulic abutting group is inserted into the first side wall of the supporting groove 41 and abuts against the first inclined edge 401 of the angle steel 40 to be cut; the top hydraulic abutting group abuts against the top surface of the angle steel 40 to be cut.
Can provide effective support for angle steel 40 bottom surface on the one hand through setting up support groove 41, can realize pressing from both sides tightly the whole of angle steel 40 when the cutting through the group of multilateral hydraulic pressure butt simultaneously, because angle steel 40 moves in unison and leads to angle steel 40 section to produce moulding deformation when avoiding the cutting. The first hydraulic abutting group, the second hydraulic abutting group and the top hydraulic abutting group can be installed in a hanging mode through the machine frame, and the specific installation mode is not described in detail here.
Preferably, the method comprises the following steps: the positioning pins 13 are arranged at two sides of the die shank 10 in pairs and sequentially penetrate through the upper die plate 11, the upper die cushion block 12 and the fixing plate 14; the set screw 131 is disposed around the lower sidewall of the die shank 10, and the upper die plate 11 is connected to the die shank 10 by the set screw 131.
Referring to fig. 7 to 8, preferably, the first hydraulic abutment group comprises: a first abutting plate 411, a first hydraulic rod 413, a second hydraulic rod 414 and a sliding rail 433; one side wall of the first abutting plate 411 is attached to and abutted against the outer wall of the first bevel edge 401; the first hydraulic rod 413 and the second hydraulic rod 414 are disposed on the outer wall of the first abutting plate 411 at intervals, and penetrate through the side wall of the supporting groove 41; the slide rail 433 is arranged at the bottom of the groove; set up the joint strip on the first butt joint board 411 bottom surface, the joint strip is inserted and is located in slide rail 433 to remove the setting along slide rail 433.
Preferably, the second hydraulic abutment group comprises: the second abutting plate 42, the third hydraulic rod 422, the fourth hydraulic rod 423 and the sliding rail 433; one side wall of the second abutting plate 42 is attached to and abutted against the outer wall of the lower die slice 31; the third hydraulic rod 422 and the fourth hydraulic rod 423 are arranged on the outer wall of the second abutting plate 42 at intervals and penetrate through the side wall of the supporting groove 41; the slide rail 433 is arranged at the bottom of the groove; set up the joint strip on the second butt joint board 42 bottom surface, the joint strip is inserted and is located in slide rail 433 to remove the setting along slide rail 433.
According to the arrangement, the stability of the movement of the first and second hydraulic abutting sets in the supporting groove 41 can be improved, and the abutting plates with the same inclined planes abut against the angle iron 40 relative to the outer side wall, so that reliable abutting force can be provided, and the angle iron 40 is prevented from moving.
Preferably, a tank 434 is arranged in the supporting groove 41, a slide rail 433 is arranged on the top surface of the tank 434, the slide rail 433 extends transversely and is arranged in the tank 434, and the first hydraulic abutting group and the second hydraulic abutting group move in the tank 434 along the slide rail 433.
Preferably, the top hydraulic abutment group comprises: a fifth hydraulic rod 432 and a lower pressing plate 431, wherein one end of the fifth hydraulic rod 432 is connected with the top surface of the lower pressing plate 431, and the other end is arranged on the rack; the periphery of the bottom surface of the lower pressing plate 431 is abutted against the top surface of the angle steel 40; the lower pressing plate 431 is covered on the top surface of the supporting groove 41. The lower pressing plate 431 is arranged, so that upward force generated by the first hydraulic abutting group and the second hydraulic abutting group can be effectively offset, and the limiting effect on the angle steel 40 is effectively realized.
Preferably, the method comprises the following steps: first swash plate 412 and second swash plate 413, set up first swash plate 412 on the lateral wall of first butt joint board 411, set up second swash plate 413 on the lateral wall of second butt joint board 42, first swash plate 412 encloses into the outer wall that supports groove 41 with second swash plate 413 to the butt is on the angle steel lateral wall.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. An angle steel cutting device for reducing plastic deformation, comprising: a die handle, a punch (20) and a lower die groove group,
the lower die slot group is arranged on the operating platform surface of the punch press; the die handle is connected with the top surface of the punch (20); the die handle is in driving connection with a punching rod of the punching machine;
the punch (20) includes: the cutting tool comprises a first cutting column (201), a second cutting column (202), a first inclined cutting edge (203) and a second inclined cutting edge (205), wherein the cross section area of the first cutting column (201) is larger than that of the second cutting column (202), and the second cutting column (202) is arranged in the middle of the first side wall of the first cutting column (201); the first inclined cutting edge (203) is arranged on the bottom surface of the first cutting column (201); the second inclined cutting edge (205) is arranged on the bottom surface of the second cutting column (202);
the angle steel (40) to be cut includes: the first bevel edge (401) and the lower die slice (31) are vertically connected, and one end of the first bevel edge (401) is connected with one end of the lower die slice (31); the length of the first bevel edge (401) is greater than that of the lower die slice (31);
the lower chute group comprises: the die comprises a die shell (32), a lower die slice, a first insert (311), a second insert (312) and a base (315), wherein the first insert (311), the second insert (312) and the base (315) are accommodated in the die shell (32); the lower die slice is accommodated on the top surface of a base (315), and the base (315) is clamped between a first insert (311) and a second insert (312);
the punch (20) is inserted into the lower die slice and performs reciprocating lifting motion relative to the lower die slice; the bottom surface of the punch (20) is matched with the lower die slice;
the lower die slice comprises: the first oblique cutting groove (318) and the second oblique cutting groove (317), and the first oblique cutting groove (318) is attached to the first oblique cutting edge (203); the second oblique cutting groove (317) is attached to the second oblique cutting edge (205);
the second insert (312) comprising: the lug (316), the lug (316) abuts on the lateral wall of the lower die slice;
the first oblique cutting groove (318) forms an included angle of 10 degrees with the horizontal plane; the first oblique cutting groove (318) is vertically connected with the second oblique cutting groove (317);
the first bevel edge (401) of the angle steel (40) is clamped between the first bevel cutting edge (203) and the first bevel cutting groove (318); the lower die slice (31) of the angle steel (40) is clamped between the second inclined cutting edge (205) and the second inclined cutting groove (317);
when the device is used for cutting off the angle steel (40), after the section to be cut of the angle steel (40) extends into the lower die slice, the punch (20) falls down and is repeatedly repeated for 3 times.
2. The angle iron cutting apparatus for reducing plastic deformation according to claim 1, comprising: the first transverse fixing screw (321), the second transverse fixing screw (322), the third transverse fixing screw (323) and the fourth transverse fixing screw (324) are arranged on the formwork (32), and the first transverse fixing screw (321) penetrates through the module and is abutted to the outer side wall of the first insert (311) to be arranged; the second transverse fixing screw (322) is parallel to the first transverse fixing screw (321), and is arranged on the outer side wall of the first insert (311) in a manner of abutting through the module;
the third transverse fixing screw (323) is arranged on the outer side wall of the second insert (312) in a manner of abutting through the module; the fourth transverse fixing screw (324) is parallel to the third transverse fixing screw (323) and is arranged on the outer side wall of the second insert (312) in a penetrating mode and in contact with the module.
3. The angle iron cutting apparatus for reducing plastic deformation according to claim 1, comprising: the first Z-direction fixing screw (331), the second Z-direction fixing screw (332), the third Z-direction fixing screw (333) and the fourth Z-direction fixing screw (334) are arranged on the formwork (32), and the first Z-direction fixing screw (331) and the second Z-direction fixing screw (332) penetrate through the formwork (32) and are in contact with the Z-direction side wall of the second insert block (312) at intervals; the third Z-direction fixing screw (333) and the fourth Z-direction fixing screw (334) penetrate through the formwork (32) and are in contact with the Z-direction side wall of the first insert block (311) at intervals.
4. The angle iron cutting apparatus for reducing plastic deformation according to claim 1, comprising: the die comprises an upper die plate (11), an upper die cushion block (12) and a fixing plate (14), wherein the upper die plate (11) is sleeved on the bottom surface of a die shank and is connected with the die shank; the fixing plate (14) is sleeved on the outer wall of the top surface of the punch (20) and is connected with the punch (20); the upper die cushion block (12) is arranged between the upper die plate (11) and the fixing plate (14); the upper template (11), the upper die cushion block (12) and the fixing plate (14) are connected in an overlapping mode.
5. The angle iron cutting apparatus for reducing plastic deformation according to claim 4, comprising: the die comprises a plurality of positioning pins (13) and a plurality of set screws (131), wherein the positioning pins (13) are arranged on two sides of a die shank in pairs and sequentially penetrate through an upper die plate (11), an upper die cushion block (12) and a fixing plate (14);
the set screw (131) is arranged around the side wall of the lower part of the die handle, and the upper die plate (11) is connected with the die handle through the set screw (131).
6. The angle iron cutting apparatus for reducing plastic deformation according to claim 1, comprising: the hydraulic support device comprises a support groove (41), a first hydraulic abutting group, a second hydraulic abutting group and a top hydraulic abutting group, wherein the support groove (41) is arranged on the feeding end of the module; the angle steel (40) to be cut is accommodated in the supporting groove (41); the first hydraulic abutting group is inserted into the first side wall of the supporting groove (41) and abuts against the first inclined edge (401) of the angle steel (40) to be cut; the second hydraulic abutting group is inserted into the first side wall of the supporting groove (41) and abuts against the first inclined edge (401) of the angle steel (40) to be cut; the top hydraulic abutting group abuts against the top surface of the angle steel (40) to be cut.
7. The angle iron cutting device with reduced plastic deformation according to claim 6, characterized in that the first hydraulic abutment group comprises: the hydraulic press comprises a first abutting plate (411), a first hydraulic rod (413), a second hydraulic rod (414) and a sliding rail (433); one side wall of the first abutting plate (411) is attached to and abutted against the outer wall of the first bevel edge (401); the first hydraulic rod (413) and the second hydraulic rod (414) are arranged on the outer wall of the first abutting plate (411) at intervals and penetrate through the side wall of the supporting groove (41); the sliding rail (433) is arranged at the bottom of the groove; set up the joint strip on first butt joint board (411) bottom surface, the joint strip is inserted and is located slide rail (433) in to remove along slide rail (433) and set up.
8. The angle cutting apparatus with reduced plastic deformation according to claim 6, wherein the second hydraulic abutment group comprises: the hydraulic support comprises a second abutting plate (42), a third hydraulic rod (422), a fourth hydraulic rod (423) and a sliding rail (433); one side wall of the second abutting plate (42) is attached to and abutted against the outer wall of the lower die slice (31); the third hydraulic rod (422) and the fourth hydraulic rod (423) are arranged on the outer wall of the second abutting plate (42) at intervals and penetrate through the side wall of the supporting groove (41); the sliding rail (433) is arranged at the bottom of the groove; set up the joint strip on second butt joint board (42) bottom surface, the joint strip is inserted and is located slide rail (433) in to remove along slide rail (433) and set up.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642401.7A CN113351727B (en) | 2021-06-09 | 2021-06-09 | Angle steel cutting device capable of reducing plastic deformation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642401.7A CN113351727B (en) | 2021-06-09 | 2021-06-09 | Angle steel cutting device capable of reducing plastic deformation |
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| CN113351727A true CN113351727A (en) | 2021-09-07 |
| CN113351727B CN113351727B (en) | 2024-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178390A (en) * | 2021-12-08 | 2022-03-15 | 安徽中意机床制造有限公司 | Angle steel opening equipment |
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| JP2007098437A (en) * | 2005-10-04 | 2007-04-19 | Nissan Motor Co Ltd | Burring die and burring method |
| CN202779361U (en) * | 2012-07-16 | 2013-03-13 | 广东亚太西奥电梯有限公司 | Double-blade die for cutting angle steel |
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| CN114178390B (en) * | 2021-12-08 | 2024-05-03 | 安徽中意机床制造有限公司 | Angle steel opening equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113351727B (en) | 2024-06-21 |
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