CN114192658A - Profile steel punching combined machine head and profile steel punching integrated machine - Google Patents
Profile steel punching combined machine head and profile steel punching integrated machine Download PDFInfo
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- CN114192658A CN114192658A CN202111340227.7A CN202111340227A CN114192658A CN 114192658 A CN114192658 A CN 114192658A CN 202111340227 A CN202111340227 A CN 202111340227A CN 114192658 A CN114192658 A CN 114192658A
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- 238000004080 punching Methods 0.000 title claims abstract description 90
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 73
- 239000010959 steel Substances 0.000 title claims abstract description 73
- 238000005520 cutting process Methods 0.000 claims abstract description 103
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 28
- 230000009471 action Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
-
- 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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The invention relates to a profile steel punching and cutting combined machine head and a profile steel punching and cutting integrated machine using the same, which comprise a frame and a punching and cutting combined die, wherein the punching and cutting combined die is detachably arranged on the machine base below a portal frame and comprises a die holder, a cutting mechanism and at least one group of punching mechanisms, the die holder is provided with a die cavity for profiling the section of profile steel, the punching mechanisms are arranged around the die cavity and comprise punches moving perpendicular to the surface to be punched of the profile steel, and the cutting mechanism is arranged at the outlet position of the die cavity and comprises a cutting knife moving perpendicular to the length direction of the profile steel; and a piston rod of a hydraulic oil cylinder of the hydraulic assembly is respectively connected with a punch and a cutting-off tool of the combined die for punching. According to the invention, the punching combined die and other parts are decoupled and independent as much as possible, so that the punching combined die can be replaced according to different processing contents and different processing sectional materials as required, thus realizing multiple purposes of one machine and improving the universality of equipment.
Description
Technical Field
The invention relates to the field of section steel processing equipment, in particular to a section steel punching and cutting combined machine head and a section steel punching and cutting integrated machine using the same.
Background
In the building industry and equipment manufacturing industry, steel sections with various sections, such as steel belts, angle steels, I-shaped steels, channel steels, steel pipes and the like, are widely used as structural members. Therefore, the requirements for cutting and punching the section steel in a large batch at fixed length are generated.
The invention patent with publication number CN111745045A discloses a numerical control section bar punching and cutting machine for punching ladder pedal section bars, which has strong specificity and no universality, can only be specially used by a special machine, and cannot be used for processing other section bars.
Disclosure of Invention
In view of the defects that the existing equipment is poor in universality and can only be specially used by a special machine, the invention provides a section steel punching and cutting combined machine head and a section steel punching and cutting integrated machine using the same.
The technical scheme of the invention is as follows:
a section steel punching and cutting combined machine head comprises: the device comprises a frame, a positioning device and a control device, wherein the frame comprises a base and an inverted U-shaped portal frame fixed above the base;
the combined die comprises a die holder, a cutting mechanism and at least one group of punching mechanisms, wherein the die holder is vertical to the direction of the portal frame and is provided with a die cavity for profiling the section steel section, the punching mechanisms are arranged around the die cavity and comprise punches moving vertical to the surface to be punched of the section steel, and the cutting mechanism is arranged at the outlet position of the die cavity and comprises a cutting knife moving vertical to the length direction of the section steel; and
the hydraulic assembly comprises at least one hydraulic oil cylinder, the hydraulic oil cylinders are fixed on the portal frame, and piston rods of the hydraulic oil cylinders are respectively connected with a punch and a cutting knife of the combined punching die.
Specifically, the punching mechanism of the punching combined die is provided with a punch guide sleeve used for guiding a punch on a die holder, and the cutting mechanism of the punching combined die is also provided with a cutting knife guide groove used for guiding a cutting knife.
Specifically, a punch of the punching mechanism is connected with a piston rod of the hydraulic oil cylinder through a bolt.
Preferably, an elastic part is arranged in a punch guide sleeve of the punching mechanism and used for automatically resetting the punch after the punching action is finished, an elastic part is arranged in a cutting knife guide groove and used for automatically resetting the cutting knife after the cutting action is finished, the end face, far away from the knife edge, of the cutting knife is in contact connection with the end face of a piston rod of the corresponding hydraulic oil cylinder, and the end face, far away from the punching cutting edge, of the punch is in contact connection with the end face of the piston rod of the corresponding hydraulic oil cylinder.
A section steel punching and cutting integrated machine comprises a section steel punching and cutting combined machine head as defined in any one of claims 1 to 4; and
and the feeding mechanism comprises a guide rail and a feeding seat which moves along the guide rail to control the section bar to move in the die cavity of the combined die-cutting die. .
According to the invention, the punching combined die part of the section steel punching combined machine head is decoupled and independent from other parts, so that the punching combined die can be replaced according to different processing contents and different processing sectional materials as required, thus realizing multiple purposes of one machine and improving the universality of equipment.
Drawings
FIG. 1 is a front view of a first embodiment of the present invention;
FIG. 2 is a schematic view of a mold base according to a first embodiment of the invention;
FIG. 3 is a schematic view of a first punching mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of a second punching mechanism according to one embodiment of the present invention;
FIG. 5 is a schematic view of a cutting mechanism according to a first embodiment of the present invention;
FIG. 6 is a front view of a second embodiment of the present invention;
FIG. 7 is a schematic view of a mold base according to a second embodiment of the invention;
fig. 8 is a schematic view of a cutting mechanism according to a second embodiment of the present invention.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings and specific embodiments, in this specification, the dimensional ratios of the drawings do not represent actual dimensional ratios, and are only used for embodying the relative positional relationships and the connection relationships between the components, and the components having the same names or the same reference numbers represent similar or identical structures and are only used for illustrative purposes.
Fig. 1 is a front view of a first embodiment of a section steel blanking assembly head according to the present invention, which includes a frame 1, a blanking assembly die 3, and a hydraulic unit 2. The rack 1 assembly comprises a base 11 and an inverted U-shaped portal frame 12 fixed above the base.
Still detachably be fixed with die-cut assembling die 3 on the frame of portal frame below, be equipped with die cavity 311 on die holder 31 of die-cut assembling die, die cavity perpendicular to portal frame direction link up die-cut assembling die, the cross-section profile modeling of die cavity is the cross-section of the angle steel of treating processing, is the shape of falling V symmetrical arrangement. A first punching mechanism 31 and a second punching mechanism 32 are respectively arranged on two side surfaces of the die holder, which are vertical to the inverted V-shaped die cavity. The first punching mechanism 32 comprises a punch 321 perpendicular to the first right-angle surface of the angle steel to be punched and a punch guide sleeve 322 for positioning and guiding the punch, and a spring part 323 or other elastic parts are further arranged in the punch guide sleeve so that the punch can automatically reset after punching is completed. The second punching mechanism 32 is the same as the first punching mechanism 31 in composition, and is different from the first punching mechanism in that a punch head of the second punching mechanism is perpendicular to a second right-angle surface of the angle steel to be punched. A cutting mechanism 34 is provided at the outlet of the cavity perpendicularly to the extending direction of the cavity, and includes a cutting blade 341 perpendicular to the extending direction of the cavity and a cutting blade guide groove 342 for guiding the movement of the cutting blade. The cutting edge 34S1 of the cutting knife is V-shaped, the included angle alpha formed by the two sides is more than or equal to 80 degrees and less than or equal to 85 degrees, and a spring 343 or other elastic components are arranged in the guide groove of the cutting knife, so that the automatic reset is realized after the cutting action of the cutting knife is finished.
Three groups of hydraulic oil cylinders are fixed on the portal frame, the extension and retraction directions of piston rods of the three groups of hydraulic oil cylinders are respectively along the moving direction of the punch of the first punching mechanism, the moving direction of the punch of the second punching mechanism and the moving direction of the cutting knife, and the piston rods are respectively in contact connection with the end surface 32S1 far away from the punch of the first punching mechanism, the end surface 33S1 far away from the punch of the second punching mechanism and the end surface 34S2 far away from the cutting edge of the cutting mechanism.
Under the working state, the angle steel to be cut off is fed from the inlet of the die cavity, when the angle steel reaches the preset position of the punched hole under the control of a program, the piston rod of the hydraulic oil cylinder extends, and the end surface of the piston rod is in contact connection with the end surface of the punch, so that the punch is pushed to move along the punch guide sleeve, and a hole is punched on the angle steel. When the angle steel reaches the cutting position, a piston rod of the hydraulic oil cylinder extends, and the end face of the piston rod is in contact connection with the end face of the cutting knife, so that the cutting guide knife is pushed to move along the cutting knife guide groove, in the moving process, because the included angle of the cutting edge of the cutting knife is not less than 80 degrees and not more than 85 degrees, and is smaller than the right angle of the angle steel, the edge part of the angle steel is firstly in contact with the cutting edge of the cutting knife and stressed to enter the shearing process, and then the included angle is gradually extended to the corner part of the angle steel, so that the stress of the cutting process is smoothly increased, the abrasion of impact accelerating equipment and the damage of a cutter caused by sudden change to the equipment are avoided, and the large deformation of the cut burr of the angle steel caused by synchronous stress is avoided.
Fig. 2 is a front view of a second embodiment of the combined die-cutting head for section steel according to the present invention, which has the same frame portion as the first embodiment, except for the hydraulic unit and the die-cutting die.
The die holder 31 of the die-cut combined die 3 of the second embodiment is provided with a die cavity 311, the die cavity is perpendicular to the direction of the portal frame and penetrates through the die-cut combined die, and the cross section of the die cavity is copied to the cross section of the channel steel to be processed and is symmetrically arranged in an inverted U shape. And a first punching mechanism 31, a second punching mechanism 33 and a third punching mechanism 35 are respectively arranged on three sides of the die holder, which are perpendicular to the inverted U-shaped die cavity. The first punching mechanism, the second punching mechanism and the third punching mechanism respectively comprise a punch perpendicular to the surface of the channel steel to be punched and a punch guide sleeve for positioning and guiding the punch, and a spring part or other elastic parts are further arranged in the punch guide sleeve, so that the punch can automatically reset after punching is finished. A cutting mechanism 34 is provided at the outlet of the cavity perpendicular to the extending direction of the cavity, and includes a cutting blade 341 perpendicular to the extending direction of the cavity 311 and a cutting blade guide groove 343 for guiding the movement of the cutting blade. The cutting edge of the cutting knife is in a straight line shape, and an angle beta is formed between the cutting edge and the section of the channel steel, and the beta is preferably 45 degrees. A spring 342 or other elastic components are arranged in the cutting knife guide groove, so that the automatic reset is realized after the cutting knife finishes the cutting action.
Three groups of hydraulic oil cylinders are fixed on the portal frame, the extension and retraction directions of piston rods of the three groups of hydraulic oil cylinders are respectively along the punch moving direction of the first punching mechanism, the punch moving direction of the second punching mechanism, the punch moving direction of the third punching mechanism and the moving direction of the cutting knife, and the piston rods are respectively in contact connection with the end face, away from the punch, of the first punching mechanism, the end face, away from the punch, of the second punching mechanism, the end face, away from the punch, of the third punching mechanism and the end face, away from the cutting edge, of the cutting mechanism 34S 2.
In the second embodiment, in a working state, the channel steel to be cut off is fed from the inlet of the die cavity, and when the angle steel reaches the preset position of the punched hole under the control of a program, the piston rod of the hydraulic oil cylinder extends, and the end surface of the piston rod is in contact connection with the end surface of the punch, so that the punch is pushed to move along the punch guide sleeve, and the hole is punched in the channel steel. When the channel steel reaches the cutting position, the piston rod of the hydraulic oil cylinder extends, and the end face of the piston rod is in contact connection with the end face of the cutting knife, so that the cutting guide knife is pushed to move along the cutting knife guide groove, in the moving process, the linear cutting edge and the channel steel section form an angle beta, so that the cutting process is realized, the cutting edge of the cutting knife gradually penetrates into the channel steel, and the phenomenon that when the cutting edge is parallel to the section, the cutting edge and the section are stressed on the same cutting surface at the same time, although the cutting stroke is increased, the stress in the cutting process is uniform, the equipment abrasion and the cutter damage are accelerated due to the impact of sudden change on the equipment are avoided, and the large deformation of large burrs of the angle steel cut caused by synchronous stress is avoided.
In the first embodiment and the second embodiment, the punching combined die is detachably fixed on the base, and the punching mechanisms, the cutting mechanisms and the hydraulic oil cylinder are in contact connection through end faces, so that mechanical connection is avoided. Therefore, when the combined die is replaced, only the fixed connection between the combined die and the base needs to be detached, the connection mode is generally designed to be in bolt connection, the connection between the punching mechanism, the cutting mechanism and the hydraulic oil cylinder does not need to be detached, and therefore the combined die is replaced quickly, and when the cross sections of other sizes or other types need to be machined, the quick replacement and the quick response production plan are achieved. As the first embodiment, the number of the hydraulic oil cylinders is limited, the first embodiment can only meet the use of two groups of punching mechanisms, so that the section bars which can be processed are limited, the section bars can be used for bar steel and angle steel, or other section steel with the punching surfaces smaller than 2, the second embodiment has four hydraulic oil cylinders, can only meet three groups of punching mechanisms, can meet the use of three processing surfaces, can be used for bar steel, angle steel, channel steel, H-shaped steel or other section steel with the punching surfaces smaller than 3 by replacing dies of different types, and can meet most processing requirements in actual production and application. The core rod for preventing deformation is added into the inner cavity of the pipe, and the corresponding punching and cutting combined die is designed, so that the metal pipe can be punched and cut. The number of the hydraulic cylinders is increased to match with the corresponding punching combined die, so that the processing requirement of the more complex section steel section can be met. In the second embodiment, around existing multiple groups of hydraulic oil cylinders, by replacing the punching combined dies for angle steel, section steel and the like, and by utilizing one or more hydraulic oil cylinders, the processing requirements of the same set of processing equipment for the section steel with various specifications, various sections and various punching configurations can be met.
The connection mode between the piston rod of the hydraulic oil cylinder and the punching mechanism and the connection mode between the piston rod of the hydraulic oil cylinder and the cutting mechanism are designed to be contact connection, so that the advantages of two aspects are realized, the first contact connection avoids the need of dismounting the connecting pieces between the piston rod and movable parts such as a punch head, a cutting knife and the like of a die when the die-cutting combined die is dismounted during mechanical connection, the die change operation is simplified, and the die change efficiency is improved; the second contact connection does not require the piston rod to be strictly collinear with the moving directions of a punch and a cutting knife of the die, so that the die is more flexible in design, and the application range of the die is expanded.
Meanwhile, it should be noted that the first embodiment and the second embodiment are preferred embodiments of the present invention, and for the technical scheme of the present invention, the purpose of detachable die change can also be achieved by using mechanical connection between the piston rod and movable parts such as a punch and a cutting knife of a die, so as to achieve the purpose of the present invention. In the profile steel punching equipment, according to the section bar of waiting to process, change the mold processing that corresponds, design step and parameter of punching a hole and deciding to with the controlling means of punching equipment of processing procedure input, wait that the equipment starts the back, controlling means coordinated control the feed motion of pay-off seat and the motion of the mechanism of punching a hole and deciding of aircraft nose, stop when making the pay-off seat move the assigned position, carry out the operation of punching a hole or decide the operation, and then realize the automation of section bar and punch a hole and decide.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive 33 of the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.
Claims (5)
1. The utility model provides a shaped steel punching and cutting combination aircraft nose which characterized in that includes:
the device comprises a rack (1) and a lifting mechanism, wherein the rack comprises a base (11) and an inverted U-shaped portal frame (12) fixed above the base;
the combined punching die comprises a die holder (31), a cutting mechanism (34) and at least one group of punching mechanisms, wherein the die holder (31) is vertical to the direction of the portal frame and is provided with a die cavity (311) with a profile steel section, the punching mechanisms are arranged around the die cavity (311) and comprise punches (321) which move vertical to the surface of the profile steel to be punched, and the cutting mechanism (34) is arranged at the outlet position of the die cavity (311) and comprises cutting knives (341) which move vertical to the length direction of the profile steel; and
the hydraulic assembly (2) comprises at least one hydraulic oil cylinder (21), the hydraulic oil cylinders are fixed on the portal frame, and piston rods (211) of the hydraulic oil cylinders are respectively connected with a punch and a cutting-off knife of the combined die.
2. The combined machine head for blanking section steel according to claim 1, wherein the punching mechanism of the combined die-cutting die is provided with a punch guide (322) for punch guide on a die holder (31), and the cutting mechanism (34) of the combined die-cutting die is further provided with a cutting blade guide groove (343) for cutting blade (341) guide.
3. The sectional steel blanking assembly head as set forth in claim 2, wherein the punch of said punching mechanism is bolted to a piston rod of said hydraulic cylinder.
4. The sectional steel punching combined machine head according to claim 2, characterized in that an elastic part (323) is arranged in a punch guide sleeve (322) of the punching mechanism and used for automatically resetting the punch after the punching action is finished, an elastic part (342) is arranged in a cutting knife guide groove (343) and used for automatically resetting the cutting knife after the cutting action is finished, the end surface of the cutting knife far away from the knife edge is in contact connection with the end surface of a piston rod (211) of the corresponding hydraulic oil cylinder, and the end surface of the punch far away from the punching cutting edge is in contact connection with the end surface of the piston rod (211) of the corresponding hydraulic oil cylinder.
5. The utility model provides a shaped steel is towards and is cut all-in-one which characterized in that includes:
the section steel blanking assembly head as defined in any one of claims 1 to 4; and
and the feeding mechanism comprises a guide rail and a feeding seat which moves along the guide rail to control the section bar to move in the die cavity of the combined die for die cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111340227.7A CN114192658A (en) | 2021-11-12 | 2021-11-12 | Profile steel punching combined machine head and profile steel punching integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111340227.7A CN114192658A (en) | 2021-11-12 | 2021-11-12 | Profile steel punching combined machine head and profile steel punching integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114192658A true CN114192658A (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111340227.7A Pending CN114192658A (en) | 2021-11-12 | 2021-11-12 | Profile steel punching combined machine head and profile steel punching integrated machine |
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| CN (1) | CN114192658A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118180254A (en) * | 2024-05-17 | 2024-06-14 | 山东华建铝业集团有限公司 | Processing equipment and processing method for aluminum alloy profile for doors and windows |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118180254A (en) * | 2024-05-17 | 2024-06-14 | 山东华建铝业集团有限公司 | Processing equipment and processing method for aluminum alloy profile for doors and windows |
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Application publication date: 20220318 |