CN109433904B - Processing method of channel steel slotting and bending assembly - Google Patents
Processing method of channel steel slotting and bending assembly Download PDFInfo
- Publication number
- CN109433904B CN109433904B CN201811257585.XA CN201811257585A CN109433904B CN 109433904 B CN109433904 B CN 109433904B CN 201811257585 A CN201811257585 A CN 201811257585A CN 109433904 B CN109433904 B CN 109433904B
- Authority
- CN
- China
- Prior art keywords
- channel steel
- bending
- knife
- static
- processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 197
- 239000010959 steel Substances 0.000 title claims abstract description 197
- 238000005452 bending Methods 0.000 title claims abstract description 146
- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims description 72
- 230000003068 static effect Effects 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 47
- 230000008569 process Effects 0.000 claims description 30
- 238000003754 machining Methods 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 claims description 7
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 25
- 230000000694 effects Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 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
- B21D28/02—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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses a processing method of a channel steel slotting and bending assembly, and belongs to the technical field of shearing and bending processing. The invention relates to a processing method of a channel steel grooving and bending assembly, which is characterized in that a rectangular grooving processing die, a triangular grooving processing die and a bending processing die are respectively arranged on a machine tool, firstly, a rectangular groove is processed on the side surface of channel steel to be processed by the rectangular grooving processing die, then, a triangular groove is processed on the bottom surface of the channel steel by the triangular grooving processing die, then, the channel steel is bent by the bending processing die, and finally, the joint of a bending piece is welded to obtain the assembly. By adopting the processing device provided by the invention to perform slotting and bending processing on the channel steel, the processing efficiency and the processing quality can be obviously improved, and the precision and the quality of the obtained assembly can meet the use requirements.
Description
The patent application of the invention aims at the following application numbers: 2016111456746, the filing date of the original application is: in 2016, 12 months and 13 days, the invention and creation names are: a device and a method for processing a channel steel slotting and bending assembly.
Technical Field
The invention belongs to the technical field of shearing and bending processing, and particularly relates to a processing method of a channel steel slotting and bending assembly.
Background
The channel steel is a long steel bar with a groove-shaped cross section, belongs to carbon structural steel for construction and machinery, is a steel bar with a complex cross section, has a groove-shaped cross section, and is mainly used for building structures, curtain wall engineering, mechanical equipment, vehicle manufacturing and the like. The channel steel has wide application, and in some special occasions in practical production, the slots shown in fig. 1(a) need to be machined on the channel steel firstly, then the channel steel is bent along the central line of the slots, and finally gaps between the bent slots are welded to obtain the assembly shown in fig. 1 (b).
Due to the fact that the channel steel is complex in structure, in the prior art, all sides of the groove in the channel steel in the figure 1 are usually cut in a gas cutting mode, the channel steel needs to be turned over and the position of the channel steel needs to be adjusted in the cutting process, operation is troublesome, and machining efficiency is low. Meanwhile, as the cutting quality requirement of the processing on the groove steel is higher, burrs are easy to generate in a gas cutting mode, and the notch is uneven, so that the cutting quality requirement is difficult to meet. Although the laser and the plasma are adopted to cut the slots, the cutting quality can be obviously improved, and burrs are prevented from being generated, the laser and the plasma cutting device is expensive in price, difficult to popularize and apply, low in cutting efficiency and incapable of meeting the requirements. In addition, when the existing gas cutting or laser and plasma cutting mode is adopted to cut the groove on the channel steel, the position and the dimensional accuracy of the groove are difficult to ensure, so that the quality and the performance of a final obtained assembly are influenced.
Therefore, how to improve the processing efficiency and the processing quality of the channel steel slotting and bending assembly is a main problem to be solved by the invention. Through retrieval, there have been relevant disclosures on patent reports on improvement of processing efficiency by employing die cutting. For example, the invention provides a multifunctional channel steel cutting device with the name of Chinese patent application number of 201521070646.3 and the application date of 2015, 12 and 14, and the application comprises an upper die and a lower die, wherein the upper die is positioned above the lower die and comprises an installation part and an upper die cutter; the bottom of the upper die cutter is a 120-degree round angle; the lower die comprises a base plate, a supporting mechanism arranged on the base plate and lower die cutters arranged on two sides of a discharge hole of the base plate; a cutting groove is formed between the supporting mechanisms along the length direction of the chassis; the supporting mechanism consists of a fixing device and an adjustable device; the fixing device is fixed on the chassis; the adjustable device is movably arranged on the chassis. According to the application, the mode that original cutting saws are manually cut is replaced by die machining, so that the cutting quality and efficiency can be obviously improved, but the channel steel is only required to be cut off and machined, the operation and process requirements are simple, and the realization is easy.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects that the cutting efficiency is low, the cutting quality is poor, and the position and the size precision of a groove are difficult to meet the requirements so as to influence the quality of a finally obtained assembly part because the groove on channel steel is cut and then bent usually in a gas cutting mode in the prior art, and provides a processing method of a groove steel groove bending assembly part. By adopting the processing device provided by the invention to perform slotting and bending processing on the channel steel, the processing efficiency and the processing quality can be obviously improved, and the precision and the quality of the obtained assembly can meet the use requirements.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a processing method of a channel steel grooving and bending assembly, which is characterized in that a rectangular grooving processing die, a triangular grooving processing die and a bending processing die are respectively arranged on a machine tool, firstly, the rectangular grooving processing die is used for processing a rectangular groove on the side surface of channel steel to be processed, then, the triangular grooving processing die is used for processing a triangular groove on the bottom surface of the channel steel, then, the bending processing die is used for bending the channel steel, and finally, the joint of a bending piece is welded to obtain the assembly, wherein:
the specific processing technology of the rectangular groove on the side surface of the channel steel comprises the following steps: placing the channel steel to be processed above the first stationary cutter seat, wherein the groove of the channel steel is over against the side surface of the first movable cutter, and the side surface of the first movable cutter is ensured to be attached to the side wall of the groove of the channel steel to be processed; a hydraulic system of a hydraulic machine drives a hydraulic cylinder to push a first upper template to move downwards, so that a first movable cutter is driven to move downwards to process a rectangular groove on the side surface of the channel steel;
the specific processing technology of the triangular groove on the bottom surface of the channel steel is as follows: placing the channel steel to be processed above a second stationary cutter seat, enabling the position of the bottom surface of the channel steel to be subjected to slotting to correspond to the position of a second stationary cutter, driving a hydraulic cylinder to push a second upper template to move downwards through a hydraulic system of a hydraulic press, further driving a second movable cutter to move downwards to process a triangular slotting on the bottom surface of the channel steel, and enabling a straight section with the width of 4-5mm to be arranged at a sharp angle of the processed triangular slotting;
bending deformation: and (3) placing the channel steel on a bending female die, driving a bending male die to move downwards through a hydraulic system of a hydraulic machine, and bending the channel steel along the central line of the triangular cutting groove until two side edges of the triangular cutting groove in the obtained bent piece are parallel to each other.
Welding: and welding the gap between the two side edges of the triangular cutting groove in the obtained bent piece to obtain the required assembly.
Furthermore, the rectangular grooving processing die comprises a first movable knife and a first fixed knife, wherein the first movable knife is fixedly connected with the first movable knife base, and the cutting edge surface of the first movable knife is a V-shaped surface with the middle part depressed downwards; the first static knife is arranged on the first static knife holder and forms
A shape structure;
the triangular grooving processing die comprises a second stationary knife and a second movable knife, wherein the second movable knife is fixedly connected with a second movable knife base, and the cutting edge surface of the second movable knife is a plane inclined from the sharp corner to the other side; the second static cutter is arranged on the second static cutter seat and forms an L-shaped structure;
the bending processing die comprises a bending male die and a bending female die, the bottom of the bending male die protrudes downwards to form an L-shaped bending part, and an L-shaped female die groove matched with the bending part of the bending male die is processed at the top of the bending female die.
Furthermore, the height d of the downward depression of the middle part of the blade surface of the first movable blade shear is 0.5-0.8 of the thickness of the channel steel to be cut, and the height difference between the sharp angle of the blade surface of the second movable blade shear and the opposite side of the sharp angle is 0.5-0.8 of the thickness of the channel steel to be cut.
Furthermore, the first fixed tool seat is processed into
The first static cutter is arranged on the inner side wall of the first static cutter holder; the second static tool apron is processed into an L-shaped structure, the second static tool is arranged on the inner side wall of the second static tool apron, a first positioning groove is processed at the joint of the adjacent inner side walls of the first static tool apron, and a second positioning groove is processed at the joint of the two inner side walls of the second static tool apron.
Furthermore, horizontal gaps exist between the cutting edge of the first static cutter and the corresponding cutting edge of the first movable cutter and between the cutting edge of the second static cutter and the corresponding cutting edge of the second movable cutter, and the width of each gap is 0.05-0.1 of the thickness of the channel steel to be cut.
Furthermore, the first static knife consists of a static knife I, a static knife II and a static knife III which are formed in a split mode, gaps are formed between the static knife I and the static knife II and between the static knife III and the static knife II, and the width of each gap is 2-3 mm; the second static knife is composed of a static knife IV and a static knife V which are formed in a split mode.
Furthermore, the first fixed knife, the first movable knife, the second fixed knife and the second movable knife are all made of 9CrSi, and the hardness HRC is 55-57; and a avoidance groove is processed on the bending male die and is arranged right opposite to the channel steel, and a receding groove which is sunken downwards is processed at the bottom of the L-shaped female die groove.
Furthermore, when the rectangular grooving mold is used for processing the channel steel, the channel steel is placed above the first static cutter holder, the side face of the first movable cutter is attached to the inner side wall of the groove of the channel steel, and the side face of the first movable cutter attached to the side wall of the groove of the channel steel is in transition connection with the top face of the first movable cutter through an avoidance arc.
Furthermore, the three lateral walls of the first stationary knife holder are all processed with a first screw hole and a second screw hole, the side face of the first stationary knife is processed with a third screw hole corresponding to the first screw hole and communicated with the first screw hole, the inner diameter of the first screw hole is larger than the diameter of the screw in the first stationary knife holder, the diameter of the screw is matched with the inner diameter of the third screw hole, and the gap between the first stationary knife and the inner side wall of the first stationary knife holder is adjusted through the screws in the first screw hole and the second screw hole and the first stationary knife is positioned.
Furthermore, a straight section is processed at the sharp corner of the second movable knife, the width of the straight section is 2-3mm, an extension section is arranged at the position, far away from the sharp corner, of the second movable knife, and the width of the extension section is 3-5 mm.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) according to the processing method of the channel steel grooving bending assembly, firstly, the rectangular grooving processing mold is used for processing the rectangular grooving on the side face of the channel steel to be processed, then the triangular grooving processing mold is used for processing the triangular grooving on the bottom face of the channel steel, and the bending processing mold can be used for bending the grooved channel steel, so that the processing efficiency and the processing quality can be remarkably improved, and the phenomena of rough edges and uneven notches are prevented. Simultaneously, through the matching of the three sets of dies and the optimization design of the specific structure of each set of dies, the channel steel can be effectively prevented from bending deformation in the shearing process, the precision requirements of the machining position and the size are ensured, and the quality of the finally obtained assembly is ensured.
(2) According to the processing method of the channel steel grooving bending assembly, the first movable cutter shearing blade surface of the first movable cutter in the rectangular grooving processing die is a V-shaped surface with the middle part depressed downwards, and the second movable cutter shearing blade surface of the second movable cutter in the triangular grooving processing die is a plane inclined from the sharp angle to the other side, so that on one hand, the uniform distribution of force can be effectively ensured, the torsion force in the cutting process is reduced, the torsion force on the whole equipment is avoided, the whole equipment and the die are protected, meanwhile, the bending deformation of channel steel in the shearing process can be effectively reduced, the processing precision and the processing quality of the subsequent process are ensured, and the quality and the precision of the finally obtained channel steel assembly are ensured to meet the use requirements; on the other hand, the buffer function can be realized on the stress of the channel steel, thereby being beneficial to reducing the shearing force and the vibration of the equipment and reducing the noise pollution, and being beneficial to the protection of the die and the improvement of the working environment of the staff.
(3) According to the processing method of the channel steel grooving bending assembly, the height d of the downward depression of the middle part of the blade surface of the first movable cutter is 0.5-0.8 of the thickness of channel steel to be cut, and the height difference between the sharp angle of the blade surface of the second movable cutter and the opposite side of the sharp angle is 0.5-0.8 of the thickness of the channel steel to be cut.
(4) According to the processing method of the channel steel slotting bending assembly, horizontal gaps exist between the cutting edge of the first static cutter and the corresponding cutting edge of the first movable cutter and between the cutting edge of the second static cutter and the corresponding cutting edge of the second movable cutter, and the width of the gap is 0.05-0.1 of the thickness of channel steel to be cut, so that the phenomena of burrs and cutter biting generated in the cutting process can be effectively prevented, and the cutting quality is guaranteed.
(5) According to the processing method of the channel steel slotting bent assembly, the rectangular slotting processing die is adopted to process the channel steel, the channel steel is directly placed above the first static cutter holder, and the side face of the first movable cutter is ensured to be attached to the inner side wall of the groove of the channel steel, so that the channel steel can be positioned by utilizing the torsion generated in the shearing process, the positioning is accurate, the influence of the torsion on the channel steel can be effectively avoided, the channel steel is prevented from deforming, and the quality and the precision of subsequent processing are ensured. According to the invention, the side face, which is attached to the side wall of the groove of the channel steel, of the first movable knife is in transitional connection with the top face of the first movable knife through the avoidance arc, so that the fillet of the inner wall of the channel steel is avoided, the upper knife is convenient to put in, and the tight attachment between the side face of the movable knife and the inner wall of the channel steel is ensured.
(6) According to the processing method of the channel steel slotting bending assembly, the straight section is processed at the sharp corner of the second moving blade in the triangular slotting processing die, and the width of the straight section is 2-3mm, so that on one hand, stress concentration on the sharp corner of the second moving blade in the shearing process can be reduced, the cutter is protected, and the service life of the cutter is prolonged; on the other hand is through processing the grooved sharp point department of channel-section steel bottom surface triangle-shaped into straight section to can do preparation for the next processing of bending, do benefit to channel-section steel bending deformation, and can guarantee the goodness of fit of bending, and then be favorable to guaranteeing welding fastness and the aesthetic property of the seam of bending, can effectively reduce the stress concentration and the distortion deformation of the corresponding region of triangle-shaped grooving sharp point department on the channel-section steel non-grooving side in the next process of bending simultaneously.
Drawings
FIG. 1(a) is a schematic structural diagram of a channel steel to be processed after being grooved;
FIG. 1(b) is a schematic structural view of a channel-section slotted bend assembly of the present invention;
FIG. 2 is a schematic view of the mounting structure of the rectangular grooving mold of the present invention;
FIG. 3 is a schematic view of the installation of the stationary blade in the rectangular grooving process die of the present invention;
FIG. 4 is a schematic structural view of a movable blade in the rectangular grooving mold according to the present invention;
FIG. 5 is a cross-sectional view of the movable blade of the rectangular grooving mold taken along the direction A-A in FIG. 4;
FIG. 6 is a schematic view of an assembly structure of the triangular grooving mold of the present invention;
FIG. 7 is a schematic structural view of a movable blade in the triangular grooving mold according to the present invention;
FIG. 8 is a schematic top view of the movable blade of the triangular grooving mold of the present invention;
FIG. 9 is a schematic side view of the movable blade of the triangular grooving mold of the present invention;
FIG. 10 is a schematic view of a bending mold according to the present invention in use;
FIG. 11 is a schematic side view of the bending punch of the bending die of the present invention;
fig. 12 is a schematic plan view of a bending die of the bending mold according to the present invention.
The reference numerals in the schematic drawings illustrate:
1. an upper connecting plate; 2. a first upper template; 3. a first movable tool apron; 4. a first moving blade; 401. arc avoidance; 402. a first moving blade shear blade surface; 5. channel steel; 6. a first stationary blade holder; 601. a first screw hole; 602. a second screw hole; 603. a first positioning groove; 7. a first lower template; 8. a first stationary knife; 801. a stationary knife I; 802. a stationary knife II; 803. a stationary knife III; 804. a third screw hole; 9. a second lower template; 10. a second stationary knife holder; 1001. a second positioning groove; 11. a second stationary knife; 1101. a stationary knife IV; 1102. a stationary knife V; 12. a second moving blade; 1201. a second moving blade shear blade surface; 1202. a straight section; 1203. an extension section; 13. bending the male die; 1301. an installation part; 1302. a connecting portion; 1303. a bending part; 1304. a position avoiding groove; 14. bending the female die; 1401. a die cavity; 1402. a receding groove; 1403. a circular arc.
Detailed Description
For a further understanding of the invention, reference will now be made in detail to the embodiments illustrated in the drawings.
Example 1
With reference to the accompanying drawings, the processing device for the channel steel slotting and bending assembly comprises a rectangular slotting processing die, a triangular slotting processing die and a bending processing die, wherein a rectangular slotting is processed on the side surface of the channel steel 5 through the rectangular slotting processing die, and a triangular slotting is processed on the bottom surface of the channel steel 5 through the triangular slotting processing die, so that slotting on the channel steel shown in fig. 1 is realized, the processing efficiency and the processing quality of the channel steel assembly are obviously improved, the phenomena of burrs and uneven notches can be avoided, and the quality of the finally obtained assembly is ensured to meet the requirements; and bending the grooved channel steel through a bending processing die.
As shown in fig. 1 to 5, the rectangular grooving mold of the present embodiment includes a first movable knife 4 and a first stationary knife 8, the first movable knife 4 is located above the first stationary knife 8, the first movable knife 4 is fixedly connected to the first movable knife holder 3, a bottom surface of the first movable knife 4 is a first movable knife shear blade surface 402, and the first stationary knife 8 is installed on the first stationary knife holder 6 and forms a first stationary knife seat 6
The shape structure can realize the processing of the rectangular cutting groove on the side surface of the channel steel through the matching of the first movable cutter 4 and the first fixed cutter 8. Because the shearing force is great and distribute unevenly in the actual shearing process to lead to mould and whole equipment to receive great impact action and torsion effect, it is serious to mould and equipment damage, and then shortened the life of equipment, and influence the processingquality and the precision of follow-up work piece. Meanwhile, the torsion action also causes bending deformation of the channel steel, so that the processing quality and precision of the channel steel are influenced, and the quality of a finally obtained assembly is influenced.In addition, the shearing force is large, so that large noise is generated in the shearing process, and the physical and psychological health of workers is harmed. In the embodiment, the first movable knife shear blade surface 402 is processed into a V-shaped surface with a downward concave middle part, namely, the V-shaped surface is downward concave along the central line in the width direction of the rectangular grooving groove to be opened, so that on one hand, the uniform distribution of the shear force can be effectively ensured, the torsion in the cutting process is reduced, the die and the whole device are hardly influenced by the torsion, the whole device and the die are protected, the service life of the device is prolonged, and the processing precision of subsequent workpieces is effectively ensured; meanwhile, the influence of the torsion action on the channel steel in the shearing process can be effectively reduced, the deformation degree of the channel steel in the shearing process is reduced, and the improvement on the quality and the precision of the finally obtained channel steel assembly is facilitated. On the other hand can also play the cushioning effect to channel-section steel and equipment atress through above-mentioned design to be favorable to reducing shearing force and equipment vibrations and noise pollution abatement, do benefit to the protection of mould and staff operational environment's improvement.
As shown in fig. 6 to 9, the triangular grooving mold of the present embodiment includes a second stationary knife 11 and a second movable knife 12, wherein the second movable knife 12 is fixedly connected to the second movable knife base, the second stationary knife 11 is mounted on the second stationary knife base 10 and forms an "L" shaped structure, and the triangular grooving on the bottom surface of the channel steel is processed by the cooperation of the second movable knife 12 and the second stationary knife 11. In this embodiment, the second movable knife-cutting blade surface 1201 is processed into a plane inclined from the sharp corner to the other side, namely, the sharp corner of the triangular cutting groove is cut in the cutting process, so that the bending deformation of the whole equipment and the channel steel in the triangular cutting groove processing process can be obviously reduced, the protection of the mould and the equipment is facilitated, the quality of the channel steel processing precision and the final obtained assembly is ensured, the shearing force applied to the mould and the channel steel is buffered, and the vibration and the noise of the equipment are reduced.
The bending die of the embodiment is used for bending the cut channel steel along the vertex of the triangular cutting groove, as shown in fig. 10-12, the bending die includes a bending male die 13 and a bending female die 14, the bending male die 13 includes an installation part 1301, a connection part 1302 and a bending part 1303, which are sequentially arranged, the bending male die 13 is installed on an upper die plate of a bending machine through the installation part 1301, and the bending part 1303 is used for bending the channel steel and is processed into an L-shaped structure. An L-shaped die groove 1401 matched with the bending part 1303 of the bending male die 13 is processed at the top of the bending female die 14. As shown in fig. 1, the grooved channel steel is placed above the bending female die 14, and the bending male die 13 is driven to move downwards through a hydraulic system, so that bending is realized, the structure of the obtained bending piece is shown in fig. 1(b), a straight gap is formed between two edges of the triangular groove on the bottom surface of the channel steel, subsequent welding is facilitated, and the attractiveness of a welding seam can be guaranteed.
Example 2
The crooked sub-assembly processingequipment of channel steel fluting of this embodiment includes rectangle grooving mold processing, triangle-shaped grooving mold processing and the mold processing of bending, wherein:
as shown in fig. 2-5, the rectangular grooving mold includes a first movable cutter 4 and a first stationary cutter 8, the first movable cutter 4 is processed into a cuboid structure and is located above the first stationary cutter 8, the first stationary cutter 8 and the first movable cutter 4 are both made of 9CrSi, and the hardness HRC is 55-57, so that the strength and toughness requirements of the cutter can be effectively guaranteed, the cutter is prevented from being broken and deformed in the shearing process, and the service life of the cutter is prolonged. Wherein, as shown in fig. 2, in the embodiment, a positioning groove is processed on the first movable knife holder 3, the side surface of the first movable knife 4 is installed in the positioning groove of the first movable knife holder 3 and is fixedly connected with the positioning groove through a bolt, as shown in fig. 4 and 5, the bottom surface of the first movable blade 4 is the first movable blade shear blade surface 402, and the first movable blade shear blade surface 402 is processed into a V-shaped surface with a downward concave middle portion, in this embodiment, the concave degree of the first movable blade shear blade surface 402 is optimally designed, so that the downward concave height d of the middle portion of the first movable blade shear blade surface 402 is 0.5-0.8 of the thickness of the channel steel 5 to be cut, thereby ensuring the minimum torsion force borne by the channel steel and the equipment, reducing the damage to the die and the whole set of equipment and the environmental noise to the maximum extent, meanwhile, the channel steel 5 can be prevented from bending deformation in the machining process to a certain extent, so that the machining quality and the precision are improved.
Because the shearing force that produces in the shearing process is great, can reduce the bending deformation that channel-section steel 5 received to a certain extent through the optimal design of first moving knife shear blade face 402, but the torsion effect that channel-section steel 5 received is great, inevitably can not produce great deflection yet to cause the influence to follow-up processingquality and precision, and then lead to the quality of final gained sub-assembly to be difficult to satisfy operation requirement. Based on above problem, adopt rectangle grooving mold processing to add man-hour to channel-section steel 5 in this embodiment, directly place channel-section steel 5 in the top of first quiet blade holder 6 to guarantee that the first side of moving sword 4 and the recess of channel-section steel 5 are laminated mutually, thereby can avoid the influence of above-mentioned torsion effect to the channel-section steel, and use it for the location of channel-section steel 5, adopt this kind of locate mode easy operation, and the location effect is better. Through carrying out the part torsion effect that optimal design received in order to reduce the channel-section steel to the structure of first moving sword scissors cutting edge face 402, will move the sword simultaneously and be used for fixing a position the channel-section steel to the surplus torsion effect of channel-section steel to can prevent effectively that shearing in-process channel-section steel 5 from taking place bending deformation, effectively guarantee the precision and the quality of follow-up processing. First move the side of sword 4 and the laminating of channel-section steel recess lateral wall through dodging circular arc 401 and the first top surface transitional coupling who moves sword 4 in this embodiment to help avoiding 5 inner wall fillets of channel-section steel, be convenient for put into first quiet sword 8, help guaranteeing the compactness of first moving sword 4 side and the laminating of channel-section steel inner wall simultaneously, reinforcing location effect. In the cutting process, a horizontal gap exists between the cutting edge of the first static cutter 8 and the corresponding cutting edge of the first movable cutter 4, and the width of the gap is 0.05-0.1 of the thickness of the channel steel 5 to be cut, so that the phenomena of burrs and cutter biting generated in the cutting process can be effectively prevented, and the cutting quality can be guaranteed.
As shown in fig. 3 and 4, the first stationary blade holder 6 is formed by machining
The first static knife 8 is detachably connected and arranged on the inner side wall of the first static knife seat 6 to form a shape structure
The shape structure, there is the clearance between the inside wall of first quiet sword 8 and first quiet sword seat 6, and the clearance width is 2-3 mm. This exampleThe first quiet sword 8 of by components of a whole that can function independently fashioned quiet sword I801, quiet sword II 802 and quiet sword III 803 constitute and be fixed in the three inside wall of first quiet sword seat 6 respectively, and between quiet sword I801 and quiet sword II 802 to and all there is the gap between quiet sword III 803 and quiet sword II 802, this gap width is 2-3mm, thereby is convenient for finely tune the position of each quiet sword, prevents to take place the burr. The first positioning groove 603 is machined at the joint of the adjacent inner side walls of the first static cutter holder 6, the first positioning groove 603 is of a circular arc-shaped structure, and the radius of the first positioning groove 603 is 4-5mm, so that stress distribution can be effectively dispersed, stress concentration of the first static cutter holder 6 in the machining process is prevented, and the machining performance is better.
In this embodiment, a first screw hole 601 and a second screw hole 602 are processed on three side walls of the first stationary knife holder 6, a third screw hole 804 corresponding to and communicating with the first screw hole 601 is processed on a side surface of the first stationary knife 8, an inner diameter of the first screw hole 601 is larger than a diameter of a screw therein, the diameter of the screw is matched with an inner diameter of the third screw hole 804, and a gap between inner side walls of the first stationary knife 8 and the first stationary knife holder 6 can be adjusted and the first stationary knife 8 is positioned by screws in the first screw hole 601 and the second screw hole 602. Wherein, the screw through in the first screw hole 601 drives first quiet sword 8 and removes to the direction of being close to first quiet blade holder 6, and the screw through in the second screw hole 602 hole promotes first quiet sword 8 and removes to the direction of keeping away from first quiet blade holder 6 to can realize the location accuracy and the stability of first quiet sword 8, prevent to take place the skew, and then influence shearing precision. Because the internal diameter of first screw hole 601 is greater than the diameter of its interior screw to can prevent to make the unable problem of installing of first quiet sword 8 because of having the processing deviation, do benefit to and adjust the mounted position of first quiet sword 8.
As shown in fig. 6 to 9, the triangular grooving mold of the present embodiment includes a second stationary blade 11 and a second movable blade 12, the second movable blade 12 is machined to have a triangular prism structure and is located above the second stationary blade 11, the second stationary blade 11 and the second movable blade 12 are both made of 9CrSi material, and the hardness HRC is 55-57. The second movable knife 12 is fixedly connected with a second movable knife holder (omitted in the figure), the second movable knife shear blade surface 1201 is a plane inclined from the side of the sharp angle to the other side, the height difference between the side of the sharp angle and the opposite side of the sharp angle is 0.5-0.8 of the thickness of the channel steel 5 to be cut, the inclination degree of the second movable knife shear blade surface 1201 is optimally designed, so that the channel steel 5 and equipment are ensured to be subjected to the minimum torsion, the damage to a die and the whole equipment and the environmental noise are reduced to the maximum extent, and the channel steel 5 can be effectively prevented from being bent and deformed. A horizontal gap exists between the cutting edge of the second stationary knife 11 and the corresponding cutting edge of the second movable knife 12, and the width of the gap is 0.05-0.1 of the thickness of the channel steel 5 to be cut, so that burrs and knife biting generated in the cutting process can be effectively prevented, and the cutting quality can be guaranteed. As shown in fig. 8 and 9, a straight section 1202 is processed at the sharp corner of the second moving blade 12 in the embodiment, and the width of the straight section 1202 is 2-3mm, so that on one hand, stress concentration and deformation at the sharp corner of the second moving blade 12 in the shearing process can be reduced, which is helpful for protecting the cutter and prolonging the service life of the cutter; on the other hand, the tip of the triangular groove in the bottom surface of the channel steel 5 is processed into a straight section, so that preparation can be made for next bending processing, the channel steel is easy to bend and form, a gap of 1.5-2mm exists after the channel steel is bent for 90 degrees, the welding firmness and the attractiveness of a bent joint can be guaranteed, meanwhile, stress concentration and distortion deformation of a region corresponding to the triangular groove tip on the side surface of the non-cutting groove of the channel steel 5 in a next bending process can be effectively reduced, and the subsequent bending quality is guaranteed.
The second moves sword 12 and keeps away from sharp corner department and is equipped with extension 1203, and the width of this extension 1203 is 3-5mm to can effectively improve the intensity that the second moved sword 12, provide the reference limit for moving sword processing, need carry out the acute angle and blunt simultaneously, avoid useless blade to appear, prevent to hinder the hand during follow-up mould assembly.
As shown in fig. 6, the second stationary knife holder 10 is processed into an "L" shaped structure, the second stationary knife 11 is mounted on an inner side wall of the second stationary knife holder 10 and forms the "L" shaped structure, and the second stationary knife 11 of this embodiment is composed of a stationary knife IV 1101 and a stationary knife V1102 which are separately formed and fixed on two inner side walls of the second stationary knife holder 10 respectively. An L-shaped positioning step and a second positioning groove 1001 are formed at the joint of the two inner side walls of the second stationary knife holder 10, and the second positioning groove 1001 has an arc-shaped structure and has a radius of 4-5 mm. In this embodiment, a gap is also formed between the second stationary blade 11 and the second stationary blade holder 10, and the gap is adjustable, and the specific adjustment structure is the same as that of the rectangular grooving mold.
The bending die of the embodiment is used for bending the cut channel steel along the vertex of the triangular cutting groove, as shown in fig. 10-12, the bending die includes a bending male die 13 and a bending female die 14, the bending male die 13 includes an installation part 1301, a connection part 1302 and a bending part 1303, which are sequentially arranged, the bending male die 13 is installed on an upper die plate of a bending machine through the installation part 1301, and the bending part 1303 is used for bending the channel steel and is processed into an L-shaped structure. An L-shaped die groove 1401 matched with the bending part 1303 of the bending male die 13 is processed at the top of the bending female die 14. As shown in fig. 10, the grooved channel steel is placed above the bending female die 14, and the bending male die 13 is driven by a hydraulic system to move downwards, so that bending is realized, the structure of the obtained bending piece is shown in fig. 1(b), a straight gap is formed between two edges of the triangular groove on the bottom surface of the channel steel, subsequent welding is facilitated, and the attractiveness of a welding seam can be guaranteed. As shown in fig. 10 and 11, a clearance groove 1304 is formed in the bending male die 13, and the clearance groove 1304 is arranged right opposite to the channel steel, so that the normal bending of the side surface (the side surface where the rectangular groove is formed) of the upper portion of the channel steel can be effectively ensured. As shown in fig. 10 and 12, a yielding groove 1402 which is recessed downward is formed in the bottom of the L-shaped female die groove 1401, so that on one hand, stress concentration of channel steel in a machining process can be relieved, on the other hand, sufficient bending of the channel steel can be guaranteed, a formed bent piece is enabled to be in smooth transition, stress concentration of the bent piece at a bending corner is reduced, and accordingly using performance of the bent piece is guaranteed. In addition, an arc 1403 is processed at the joint of the L-shaped female die groove 1401 and the plane of the top of the bending female die 14, and the radius of the arc 1403 is 4-5mm, so that the channel steel can be tightly attached to the bending female die 14 in the bending process, and the sufficient bending is further ensured.
Example 3
The structure of the device for processing the channel steel slotting and bending assembly of the embodiment is the same as that of the embodiment 2.
In the processing method of the channel steel slotting and bending assembly of the present embodiment, the rectangular slotting processing die, the triangular slotting processing die and the bending processing die of the present embodiment are respectively installed on a machine tool, wherein the first stationary tool apron 6 and the second stationary tool apron 10 are respectively installed on a machine tool workbench through the first lower template 7 and the second lower template 9, and the first movable tool apron 3 and the second movable tool apron (omitted in the figure) are respectively fixedly connected with the upper connecting plate 1 of the machine tool through the first upper template 2 and the second upper template (omitted in the figure). Firstly, a rectangular groove is machined on the side face of a channel steel 5 to be machined by using a rectangular groove machining die, then a triangular groove is machined on the bottom face of the channel steel 5 by using a triangular groove machining die, then the channel steel 5 is subjected to bending machining by using a bending machining die, and finally, a joint of a bent part is welded to obtain an assembly, wherein:
the specific processing technology of the rectangular groove on the side surface of the channel steel comprises the following steps: (1) to wait to process channel-section steel 5 and place in first quiet blade holder 6 top, it is corresponding with the blade position of first quiet sword 8 to make the 5 side of channel-section steel wait to open the slot position, the adjustment is first moves sword 4 position, make its side just to the channel-section steel 5 recess and make first move sword 4 side and the recess lateral wall of waiting to process channel-section steel 5 closely laminate, thereby can rely on the first torsion effect of moving sword 4 to fix a position channel-section steel 5 at the shearing in-process, can prevent effectively that channel-section steel 5 from taking place distortion, reduce the influence of its deformation degree to follow-up processing technology and final gained sub-assembly quality. Fix a position through above-mentioned mode and fix a position easy operation on the one hand for fixing through fixing device among the prior art, need not additionally to set up special positioner, be favorable to practicing thrift the cost, on the other hand can also effectively prevent to adopt fixing device to fix the phenomenon that the channel-section steel 5 still inevitably can take place to warp when fixing the location to channel-section steel 5. Meanwhile, the distance between the cutting edge of the first movable knife 4 and the corresponding cutting edge of the first stationary knife 8 is 0.05-0.1 of the thickness of the channel steel 5 to be cut. (2) The hydraulic system of the hydraulic press drives the hydraulic cylinder to push the first upper template 2 to move downwards, and then the first movable knife 4 is driven to move downwards to process the rectangular cutting groove on the side surface of the channel steel 5.
The specific processing technology of the triangular groove on the bottom surface of the channel steel is as follows: the channel steel 5 to be processed is placed above the second static cutter holder 10, the position of the bottom surface of the channel steel to be grooved corresponds to the position of the second static cutter 11, the hydraulic cylinder is driven by the hydraulic system of the hydraulic press to push the second upper template to move downwards, further driving the second movable knife 12 to move downwards to process the triangular cutting groove on the bottom surface of the channel steel 5, wherein a straight section with the width of 2-3mm is arranged at the sharp corner of the processed triangular cutting groove, thereby preparing for subsequent bending deformation, being beneficial to the deformation of the channel steel, effectively reducing the stress concentration at the sharp angle of the triangular cutting groove and the deformation degree of the side surface of the non-cutting groove on the channel steel in the bending deformation process, ensuring that two sides of the triangular cutting groove have a gap of 1.5-2mm after being bent by 90 degrees, thereby being beneficial to ensuring that the firmness and the aesthetic property of the subsequent welding and the quality and the precision of the finally obtained assembly meet the requirements. In this embodiment, two bolt holes are processed at the right angle end on the second stationary knife seat 10, and an adjustable positioning plate is installed at this position, and the positioning plate is pressed by the bolt for adjusting the balance position, and the river waits to process channel steel and lays on the second stationary knife seat 10, and the non-processing side leans on the positioning plate to fix a position the channel steel (for showing in the figure, adopt other positioning methods also, as long as can realize the locate function of channel steel).
Bending deformation: the channel steel 5 is placed on a bending female die 14, and a bending male die 13 is driven by a hydraulic system of a hydraulic press to move downwards, so that the channel steel is bent along the central line of the triangular groove until two side edges of the triangular groove in the obtained bent piece are parallel to each other.
Welding: and welding the gap between the two side edges of the triangular cutting groove in the obtained bent piece to obtain the required assembly.
This embodiment carries out grooving and bending to the channel-section steel through designing three sets of moulds to can show improvement machining efficiency, reduce workman's intensity of labour, and improve the processingquality of each manufacturing procedure, prevent to produce deckle edge, guarantee notched planarization. When the die is used for processing the cutting groove on the channel steel, the channel steel 5 is easy to be seriously bent and deformed under the action of larger torque force due to larger shearing force and uneven distribution, and further the subsequent processing quality and precision are influenced. Therefore, the bending deformation of the channel steel in the machining process is the largest factor influencing the quality of a final assembly, and how to prevent the channel steel from bending deformation on the basis of improving the machining efficiency is the problem which needs to be solved by the inventor. According to the invention, through carrying out optimized design on the specific structure of each set of die and through the mutual matching of each processing procedure, the processing position and size precision of each procedure can be ensured, the channel steel is prevented from bending and deforming, and the processing quality of the finally obtained assembly is ensured to meet the requirements.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (8)
1. A processing method of a channel steel slotting and bending assembly is characterized in that: install rectangle grooving mold processing, triangle-shaped grooving mold processing and the mold processing of bending respectively on the lathe, at first utilize rectangle grooving mold processing a rectangle fluting in the side of treating processing channel-section steel (5), then utilize triangle-shaped grooving mold processing a triangle-shaped fluting in channel-section steel (5) bottom surface, utilize the mold processing of bending to carry out bending to channel-section steel (5) afterwards, weld the seam to crooked spare at last and obtain the sub-assembly, wherein:
the specific processing technology of the rectangular groove on the side surface of the channel steel comprises the following steps: placing the channel steel (5) to be processed above the first static cutter holder (6), wherein the groove of the channel steel is over against the side surface of the first movable cutter (4), and the side surface of the first movable cutter (4) is ensured to be attached to the side wall of the groove of the channel steel (5) to be processed; a hydraulic system of a hydraulic machine drives a hydraulic cylinder to push a first upper template (2) to move downwards, and then a first movable knife (4) is driven to move downwards to process a rectangular groove on the side surface of a channel steel (5);
the specific processing technology of the triangular groove on the bottom surface of the channel steel is as follows: placing the channel steel (5) to be processed above a second static cutter holder (10), enabling the position of the bottom surface of the channel steel to be processed to correspond to the position of a second static cutter (11), driving a hydraulic cylinder to push a second upper template to move downwards through a hydraulic system of a hydraulic press, further driving a second movable cutter (12) to move downwards to process a triangular cutting groove on the bottom surface of the channel steel (5), and enabling a sharp angle of the processed triangular cutting groove to have a straight section with the width of 4-5 mm;
bending deformation: placing the channel steel (5) on a bending female die (14), driving a bending male die (13) to move downwards through a hydraulic system of a hydraulic machine, and bending the channel steel along the central line of the triangular cutting groove until two side edges of the triangular cutting groove in the obtained bent piece are parallel to each other;
welding: welding the gaps between the two side edges of the triangular cutting groove in the obtained bent piece to obtain a required assembly;
the rectangular grooving processing die comprises a first movable knife (4) and a first fixed knife (8), wherein the first movable knife (4) is fixedly connected with a first movable knife holder (3), and a first movable knife shear edge surface (402) is a V-shaped surface with the middle part depressed downwards; the first static knife (8) is arranged on the first static knife holder (6) and forms "
A "shaped structure; the height d of the downward depression of the middle part of the first movable knife shear blade surface (402) is 0.5-0.8 of the thickness of the channel steel (5) to be cut;
the triangular grooving processing die comprises a second stationary knife (11) and a second movable knife (12), wherein the second movable knife (12) is fixedly connected with a second movable knife base, and a second movable knife shear blade surface (1201) is a plane inclined from a sharp angle to the other side; the second static cutter (11) is arranged on the second static cutter seat (10) and forms an L-shaped structure; the height difference between the sharp corner of the second movable knife shear blade surface (1201) and the opposite side thereof is 0.5-0.8 of the thickness of the channel steel (5) to be cut;
the bending processing die comprises a bending male die (13) and a bending female die (14), wherein the bottom of the bending male die (13) protrudes downwards to form an L-shaped bending part (1303), and the top of the bending female die (14) is provided with an L-shaped female die groove (1401) matched with the bending part (1303) of the bending male die (13).
2. The method of claim 1, wherein the method comprises the steps of: the first static tool apron (6) is processed into "
The first static cutter (8) is arranged on the inner side wall of the first static cutter seat (6); the second static cutter holder (10) is processed into an L-shaped structure, the second static cutter (11) is arranged on the inner side wall of the second static cutter holder (10), a first positioning groove (603) is processed at the joint of the adjacent inner side walls of the first static cutter holder (6), and a second positioning groove (1001) is processed at the joint of the two inner side walls of the second static cutter holder (10).
3. The method of claim 1, wherein the method comprises the steps of: horizontal gaps are reserved between the cutting edge of the first static cutter (8) and the corresponding cutting edge of the first movable cutter (4) and between the cutting edge of the second static cutter (11) and the corresponding cutting edge of the second movable cutter (12), and the width of each gap is 0.05-0.1 of the thickness of the channel steel (5) to be cut.
4. The method of claim 2, wherein the method comprises the steps of: the first static knife (8) consists of a static knife I (801), a static knife II (802) and a static knife III (803) which are formed in a split mode, gaps are formed between the static knife I (801) and the static knife II (802) and between the static knife III (803) and the static knife II (802), and the width of each gap is 2-3 mm; the second static knife (11) is composed of a static knife IV (1101) and a static knife V (1102) which are formed in a split mode.
5. A method of processing a channel steel slot bending assembly according to any of claims 1 to 4, wherein: the first fixed knife (8), the first movable knife (4), the second fixed knife (11) and the second movable knife (12) are all made of 9CrSi, and the hardness HRC = 55-57; a clearance groove (1304) is machined in the bending male die (13), the clearance groove (1304) is arranged right opposite to the channel steel, and a downward-concave clearance groove (1402) is machined in the bottom of the L-shaped female die groove (1401).
6. A method of processing a channel steel slot bending assembly according to any of claims 1 to 4, wherein: when a rectangular grooving machining die is adopted to machine channel steel (5), the channel steel (5) is placed above a first static cutter seat (6), the side face of a first movable cutter (4) is attached to the inner side wall of a groove of the channel steel (5), and the side face of the first movable cutter (4) attached to the side wall of the groove of the channel steel (5) is in transition connection with the top face of the first movable cutter (4) through an avoidance arc (401).
7. The method of claim 6, wherein the method comprises the steps of: the three lateral wall of first quiet blade holder (6) all processes first screw hole (601) and second screw hole (602), the side processing of first quiet sword (8) has and corresponds communicating third screw hole (804) with first screw hole (601), and the internal diameter of first screw hole (601) is greater than the diameter of its interior screw, the diameter of this screw and the internal diameter phase-match of third screw hole (804), adjust the clearance between first quiet sword (8) and first quiet blade holder (6) inside wall and fix a position first quiet sword (8) through the screw in first screw hole (601) and second screw hole (602).
8. A method of processing a channel steel slot bending assembly according to any of claims 1 to 4, wherein: a straight section (1202) is processed at the sharp corner of the second movable knife (12), the width of the straight section (1202) is 2-3mm, an extension section (1203) is arranged at the position, far away from the sharp corner, of the second movable knife (12), and the width of the extension section (1203) is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257585.XA CN109433904B (en) | 2016-12-13 | 2016-12-13 | Processing method of channel steel slotting and bending assembly |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145674.6A CN106734518B (en) | 2016-12-13 | 2016-12-13 | A kind of channel steel fluting bending sub-assembly processing unit (plant) and processing method |
| CN201811257585.XA CN109433904B (en) | 2016-12-13 | 2016-12-13 | Processing method of channel steel slotting and bending assembly |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611145674.6A Division CN106734518B (en) | 2016-12-13 | 2016-12-13 | A kind of channel steel fluting bending sub-assembly processing unit (plant) and processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109433904A CN109433904A (en) | 2019-03-08 |
| CN109433904B true CN109433904B (en) | 2020-05-08 |
Family
ID=58876438
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611145674.6A Expired - Fee Related CN106734518B (en) | 2016-12-13 | 2016-12-13 | A kind of channel steel fluting bending sub-assembly processing unit (plant) and processing method |
| CN201811257585.XA Expired - Fee Related CN109433904B (en) | 2016-12-13 | 2016-12-13 | Processing method of channel steel slotting and bending assembly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611145674.6A Expired - Fee Related CN106734518B (en) | 2016-12-13 | 2016-12-13 | A kind of channel steel fluting bending sub-assembly processing unit (plant) and processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106734518B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773814B (en) * | 2019-11-25 | 2020-07-24 | 新沂天源节能材料有限公司 | Safe type aluminum alloy cutting equipment |
| CN114618940B (en) * | 2022-04-11 | 2024-06-04 | 南通德纳鑫金属门窗有限公司 | Metal raw material bending equipment for building door and window molding |
| CN115301825A (en) * | 2022-08-08 | 2022-11-08 | 深圳市同亮采光电科技有限公司 | Full-automatic bending machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004037458A1 (en) * | 2002-10-28 | 2004-05-06 | Suehiro Mizukawa | Method and device for bending blade member |
| CN2780378Y (en) * | 2005-02-28 | 2006-05-17 | 保定宝硕门窗发展有限公司 | Steel lining notch punching mould for plastic door window |
| CN101288931A (en) * | 2008-05-06 | 2008-10-22 | 南通超达机械科技有限公司 | Zero clearance blade producing method of shaping press cutting mold |
| CN201735669U (en) * | 2010-06-13 | 2011-02-09 | 四川广安鑫光电力铁塔有限公司 | Channel steel blanking cutting die |
| CN203030727U (en) * | 2012-12-31 | 2013-07-03 | 洛阳新奥华油燃气有限公司 | Angle steel support die |
| CN203091506U (en) * | 2013-03-11 | 2013-07-31 | 安徽宏源铁塔有限公司 | Angle cutting die for power tower material hydraulic angle cutting |
| CN103447601A (en) * | 2013-08-14 | 2013-12-18 | 章兵 | Hydraulic channel-steel cutting machine |
| CN104139128A (en) * | 2014-08-05 | 2014-11-12 | 东莞横沥田头百汇五金塑胶制品有限公司 | Method for forming outer frame of liquid crystal display |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2418605A1 (en) * | 1974-04-18 | 1975-10-30 | Ams Seeber Gmbh & Co Kg | Corner joints for sheet metal furniture - made by projection welding of bridging plate under joint |
| JP2001003528A (en) * | 1999-06-23 | 2001-01-09 | Vinyframe Kogyo Kk | Corner portion of coping and working method therefor |
| KR20120082481A (en) * | 2011-01-14 | 2012-07-24 | 강정식 | Angle punching machine |
| CN201960033U (en) * | 2011-01-26 | 2011-09-07 | 济南时代百超科技有限公司 | Corner cut bending machine |
| CN104400332A (en) * | 2014-10-14 | 2015-03-11 | 奥捷五金(江苏)有限公司 | Forming technology of front metal frame of electronic electric equipment product and front metal frame |
| CN204867005U (en) * | 2015-06-07 | 2015-12-16 | 欧坚持 | Hydraulic pressure cornering machine |
| CN206263057U (en) * | 2016-12-13 | 2017-06-20 | 马鞍山市欧姆科技发展有限公司 | A kind of channel-section steel fluting bending sub-assembly processing unit (plant) |
-
2016
- 2016-12-13 CN CN201611145674.6A patent/CN106734518B/en not_active Expired - Fee Related
- 2016-12-13 CN CN201811257585.XA patent/CN109433904B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004037458A1 (en) * | 2002-10-28 | 2004-05-06 | Suehiro Mizukawa | Method and device for bending blade member |
| CN2780378Y (en) * | 2005-02-28 | 2006-05-17 | 保定宝硕门窗发展有限公司 | Steel lining notch punching mould for plastic door window |
| CN101288931A (en) * | 2008-05-06 | 2008-10-22 | 南通超达机械科技有限公司 | Zero clearance blade producing method of shaping press cutting mold |
| CN201735669U (en) * | 2010-06-13 | 2011-02-09 | 四川广安鑫光电力铁塔有限公司 | Channel steel blanking cutting die |
| CN203030727U (en) * | 2012-12-31 | 2013-07-03 | 洛阳新奥华油燃气有限公司 | Angle steel support die |
| CN203091506U (en) * | 2013-03-11 | 2013-07-31 | 安徽宏源铁塔有限公司 | Angle cutting die for power tower material hydraulic angle cutting |
| CN103447601A (en) * | 2013-08-14 | 2013-12-18 | 章兵 | Hydraulic channel-steel cutting machine |
| CN104139128A (en) * | 2014-08-05 | 2014-11-12 | 东莞横沥田头百汇五金塑胶制品有限公司 | Method for forming outer frame of liquid crystal display |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106734518A (en) | 2017-05-31 |
| CN109433904A (en) | 2019-03-08 |
| CN106734518B (en) | 2019-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109433904B (en) | Processing method of channel steel slotting and bending assembly | |
| CN2825153Y (en) | Progressive die for processing automobile radiator side plate | |
| CN102039532A (en) | Positioning method for machining workpiece and automatic clamp thereof | |
| CN106312160A (en) | Gang cutter with changeable edge width | |
| CN206263057U (en) | A kind of channel-section steel fluting bending sub-assembly processing unit (plant) | |
| CN219234242U (en) | Metal plate grooving and laser cutting compound machine | |
| CN210907674U (en) | Leaf spring side cut, cut-out press | |
| CN1273238C (en) | Cylindric push-cutting and edging composite tool for cutting and punching | |
| CN202715695U (en) | Punching and cutting die of vehicle window frame rolling section bar | |
| CN109013834B (en) | Application of special angle shearing die for channel steel | |
| CN102423781B (en) | Rib-pressing mold of wedge block fastening shaft type workpiece | |
| CN204262381U (en) | A kind of roll special cutter with tool rest | |
| CN201931148U (en) | Special 45-degree cutting-off device for concealed distribution box frame | |
| CN202411214U (en) | Wedge-fastening type shaft workpiece ribbing mould | |
| CN211135178U (en) | Steel plate spring head cutting, corner cutting and rib pressing die | |
| CN203526311U (en) | Novel solid-round-steel pipe cutting mold | |
| CN103567548A (en) | Cutting device for angle blanking | |
| CN2684979Y (en) | Special cutter tool, for hole enlarging | |
| CN218946627U (en) | Gantry type combined machine for planing and laser cutting | |
| CN218775485U (en) | Sheet metal material punching and trimming mechanism for common punching machine | |
| CN204523939U (en) | Door frame oblique angle hydraulic pressure clicker press machine | |
| CN220497477U (en) | Side-trimming-preventing cutter block structure | |
| CN218395649U (en) | Special-shaped part bending and positioning tool | |
| CN210334008U (en) | Punching and cutting compound die | |
| CN213616532U (en) | Locator for forming composite material wall plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 |