CN104438489B - A kind of doorjamb and Bending Mould thereof - Google Patents
A kind of doorjamb and Bending Mould thereof Download PDFInfo
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- CN104438489B CN104438489B CN201410819761.XA CN201410819761A CN104438489B CN 104438489 B CN104438489 B CN 104438489B CN 201410819761 A CN201410819761 A CN 201410819761A CN 104438489 B CN104438489 B CN 104438489B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a kind of doorjamb, doorjamb Bending Mould and bending method, belong to mould and brake techniques field.A kind of doorjamb Bending Mould of the present invention, including mould on mould, 45 degree of upper mould, flangings on counterdie, right angle, and flattens upper mould, and the counterdie flanging groove on counterdie coordinates with mould on flanging, protruding for bending flanging；Counterdie pre-folds groove and 45 degree of upper moulds coordinate, and pre-bends for bending changeover portion the section of being folded flat against；First V-shaped groove of counterdie, the second V-shaped groove coordinate with mould on right angle；This bent mold structure is reasonable in design, and upper mould is good with counterdie conformability, can accomplish reasonably to dodge, good forming effect, connects the so complicated structure of processing and only uses 4 upper moulds, and processing cost is low；The doorjamb bending method of the present invention, its processing sequence connection and reasonable arrangement, the course of processing will not interfere phenomenon, working (machining) efficiency is high, and machined go out doorjamb joint close tight, soundproof effect is good.
Description
Technical field
The present invention relates to mould and brake techniques field, more particularly, it relates to a kind of doorjamb and Bending Mould thereof.
Background technology
Bending machine die is the bender instrument for machine-shaping plate, and this instrument is made up of various parts, and the part that different moulds is constituted is different, and it realizes the processing of article profile mainly through the change of institute's moulding material physical state.Blank is made to become the workpiece having given shape and size by the guiding each other of upper die of bending machine and counterdie under the effect of bender pressure.In actual production process, enterprise can according to the difference of shaping workpiece shape or size, the counterdie of differently configured FLUTE ANGLE.But being as expanding economy, the shape of the workpiece of bending is also more and more diversified, so different workpiece is accomplished by certain moduli tool and processes, and especially needs variously-shaped doorjamb in antitheft door.Present antitheft door is not merely make an issue of on lockset, also it is necessary to have certain anti-pry open performance in the design of doorframe, so could meet security requirement.
Designer has invented a kind of security door frame shape when designing workpiece, this doorjamb is not only combined with door leaf tightly, and soundproof effect is good, but the workpiece of this shape is given mould factory and is added man-hour, mould factory finds that difficulty of processing is big, traditional compressing is not suitable for this workpiece, does not know again how to use bender to be processed, although result in this workpiece to design, but the predicament that cannot process occurs.This doorjamb structure is as shown in Figure 1, this doorjamb is made up of multiple right angles section, flanging projection 1-5, the section of being folded flat 1-7 and changeover portion 1-7-1, its each right angle section forms the basic structure of doorjamb, its flanging projection 1-5 is used for making door leaf engage with doorjamb tightly, there is tamper-resistant function, its section of being folded flat 1-7 and changeover portion 1-7-1 then may further ensure that fitting tightly between the two, and soundproof effect is better.This doorjamb is it may appear that very simple, but its size Control and structure processing but there are great difficulty, especially the processing of the changeover portion 1-7-1 on flanging projection 1-5, the section of being folded flat 1-7, because flanging projection 1-5's is smaller, it is in again the centre position of entirety, adds the impact being vulnerable to other limits man-hour；Same, single being folded flat is easy to processing, if to fold changeover portion 1-7-1 on the section of being folded flat 1-7 again, this has very big difficulty.In addition, how the processing sequence of this doorjamb total just can accomplish reasonably is dodged, and how to ensure the concordance of size, and these problems make enterprise comparatively have a headache, so as to can only feel frustrated, envy that this doorjamb structure ingenious does not but have the processing can the mould of employing.Therefore it provides the development important in inhibiting that a set of effective processing scheme is to this doorjamb and this field.
Through retrieval, technical scheme about doorjamb bending is disclosed, such as: Chinese Patent Application No.: 200710112952.2, the applying date: on JIUYUE 19th, 2007, invention and created name is: anti-theft gate rabbet, its manufacture method and particular manufacturing craft thereof, rabbet in this application case is integrally to be bent into inside to have the structure of L-type cavity by metallic plate, metallic plate includes the first frame, second frame, 3rd frame, 4th frame, 5th frame and the 6th frame six part, between adjacent frame, bending is arranged, connect between 6th frame and the first frame, its special Bending Mould is relatively common, simply conventional orthogonal Bending Mould is slightly modified, and rabbet is simple, be a rabbet or its processing mold all can not to embody it creative.
Summary of the invention
1. invention to solve the technical problem that
It is an object of the invention to overcome the deficiency that in prior art, baroque doorjamb cannot be processed, provide a kind of doorjamb and Bending Mould thereof, technical scheme, by not ibid the cooperating of mould and counterdie, it is possible to easily and fast process the doorjamb that joint close is tight, soundproof effect is good.
2. technical scheme
For reaching above-mentioned purpose, technical scheme provided by the invention is:
A kind of doorjamb of the present invention, this doorjamb is to be formed cavity structure by metallic plate one bending, this cavity structure is connected in sequence by the first right angle section, the second right angle section, the 3rd right angle section, the 4th right angle section, flanging projection, the 5th right angle section, the section of being folded flat, changeover portion, the 6th right angle section and the 7th right angle section, wherein: flanging projection includes three angled transition sections, the section of being folded flat is angle is the overlay segment of 0 °, this section of being folded flat is connected by changeover portion and the 6th right angle section, and is folded flat the length of Duan Yu five right angle section superposition section more than 13.5mm.
A kind of doorjamb Bending Mould of the present invention, including mould and the upper mould of pressing on mould, 45 degree of upper mould, flangings on counterdie, right angle, the two relative side of described counterdie is planar structure, a plane in this planar structure is provided with the first V-shaped groove and counterdie flanging groove, described counterdie flanging groove coordinates with mould on flanging, protruding for bending flanging；Opposite side plane at counterdie is provided with counterdie and pre-folds groove and the second V-shaped groove, and described counterdie pre-folds groove and 45 degree of upper moulds coordinate, and pre-bends for bending changeover portion the section of being folded flat against；Described first V-shaped groove, the second V-shaped groove coordinate with mould on right angle, for bending the first right angle section, the second right angle section, the 3rd right angle section, the 4th right angle section, the 5th right angle section, the 6th right angle section and the 7th right angle section, in described pressing, mould pre-folds the planar structure of side, groove place and coordinates with counterdie, has been used for the bending of the section of being folded flat.
As further improvement of the present invention, described counterdie flanging groove is connected in sequence by flanging groove one section, flanging groove two-stage nitration, flanging groove three sections and flanging groove four sections, described flanging groove one section and described planar structure angle are 110 °, flanging groove two-stage nitration and one section of angle of flanging groove are acute angle, between described flanging groove two-stage nitration and flanging groove three sections, angle is obtuse angle, and flanging groove four sections is vertical with flanging groove one section；Described counterdie pre-fold groove by pre-folding groove one section, pre-fold groove two-stage nitration, pre-fold groove three sections and pre-fold groove four sections and be sequentially connected with and form, it is described that to pre-fold groove one section vertical with described planar structure, the angle pre-folding groove two-stage nitration and pre-fold groove one section is 45 °, described pre-fold groove three sections and pre-fold groove one section and be arranged in parallel, described in pre-fold the angle of groove four sections and planar structure be 135 °；Described the first V-shaped groove, the angle of the two sides of the second V-shaped groove are 90 °, and offer rectangular channel bottom angle.
As further improvement of the present invention, on described right angle, mould is made up of right angle cutter handle of a knife, right angle cutter matrix, right angle cutter supporter, right angle cutter connector, sword neck and sword head, wherein: right angle cutter handle of a knife is vertically set on right angle cutter matrix, right angle cutter supporter is connected with right angle cutter matrix, this right angle cutter supporter is connected with sword neck by right angle cutter connector, constitutes the bending section of mould on right angle；Described sword neck and right angle cutter handle of a knife be arranged in parallel, sword neck is provided with the sword head of inclination, this sword head is sequentially connected with is formed by the first sword head, the second sword head and the 3rd sword head, the angle of described first sword head and the second sword head is 86 °, and the second sword head and the 3rd sword head are vertically arranged and acute angle folded by the second sword head and sword neck length direction is 43 °.
As further improvement of the present invention, described 45 degree of upper moulds are by the 45 degree of cutter handle of a knifes set gradually in the same direction, 45 degree of cutter cutter hubs and 45 degree of jet blades are constituted, wherein: 45 degree of jet blades are by cutter head first paragraph, cutter head second segment, cutter head the 3rd section, cutter head the 4th section, cutter head the 5th section and cutter head the 6th section are sequentially connected with composition, described cutter head first paragraph, cutter head the 3rd section, cutter head the 5th section, cutter head the 6th section is arranged along the length direction of 45 degree of upper moulds, and cutter head the 5th section is connected by filleted transition with cutter head the 6th section, described cutter head second segment, 45 ° of inclinations angle are had between the length direction of the upper mould of cutter head the 4th section and 45 degree, the length that cutter head is the 3rd section is equal with the length pre-folding groove three sections, the length that cutter head is the 4th section is less than the length pre-folding groove two-stage nitration.
As further improvement of the present invention, on described flanging, mould is by hemming die handle of a knife, hemming die cutter hub and flanging die head are connected successively and form, described flanging die head is by die head first paragraph, die head second segment, die head the 3rd section, die head the 4th section and die head the 5th section are connected in sequence, described die head first paragraph is 110 ° with the angle of the vertical section of mould on flanging, and this die head first paragraph is perpendicular to die head the 4th section, described die head second segment, die head the 3rd section, angle between die head the 4th section and corresponding flanging groove three sections, flanging groove two-stage nitration, angle between flanging groove one section is equal, the length of described die head second segment is equal with the length of flanging groove three sections, the length that described die head is the 3rd section is less than the length of flanging groove two-stage nitration, described die head the 4th section is be arranged in parallel with die head the 5th section and is connected by filleted transition.
As further improvement of the present invention, in described pressing, mould is the concave shaped structure being connected in sequence by flattening die handle of a knife, flattening die cutter hub and flattening die pressure head, and the bottom surface of described flattening die pressure head is plane.
As further improvement of the present invention, on described right angle, on mould, 45 degree of upper mould, flangings, the length of mould and the upper mould of pressing is equal.
A kind of doorjamb bending method of the present invention, the steps include:
Step one, select material according to the total length of workpiece to be processed, further according to the length of doorjamb every section at its intersection marking；
Step 2, adopting mould and the first V-shaped groove cooperation on the right angle of doorjamb Bending Mould, fold the first right angle section, the second right angle section, the 3rd right angle section, the 4th right angle section successively, folded angle is all 90 °；
After step 3, step 2 complete, mould on right angle changed on flanging mould and makes mould on flanging corresponding with counterdie flanging groove position, folding flanging projection；
After step 4, step 3 complete, again change on right angle mould and adjust counterdie, folding the 5th right angle section, the 6th right angle section, the 7th right angle section successively；
After step 5, step 4 complete, change on 45 degree mould and to make it pre-fold groove location with counterdie corresponding, fold the 45° angle that pre-bends of changeover portion and the section of being folded flat；
After step 6, step 5 complete, change the upper mould of pressing and make it corresponding with the planar structure of counterdie, extruding the section of being folded flat of 0 °, obtain required doorjamb workpiece.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with prior art, have the advantages that
(1) a kind of doorjamb of the present invention, is provided with flanging projection, the section of being folded flat and changeover portion, and joint close is tight, and soundproof effect is good；
(2) a kind of doorjamb Bending Mould of the present invention, including mould, pressing upper die and lower die, good stability during worked door frame on mould, 45 degree of upper mould, flangings on right angle, can accomplish reasonably to dodge, working (machining) efficiency is high, and processes such complex part and only use 4 upper moulds, and processing cost is low；
(3) a kind of doorjamb Bending Mould of the present invention, on it, mould is good with counterdie conformability, and energy one-shot forming during processing flanging projection, crudy is high；
(4) a kind of doorjamb bending method of the present invention, by reasonably arranging processing sequence, make use of the construction features of each mould cleverly, has accomplished reasonably to dodge, and working (machining) efficiency is high, and the doorjamb each several part connecting processed is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of doorjamb in the present invention；
Fig. 2 is the structural representation of counterdie in the present invention；
Fig. 3 is the structural representation of mould on right angle in the present invention；
Fig. 4 is the structural representation of 45 degree of upper moulds in the present invention；
Fig. 5 is the structural representation of mould on flanging in the present invention；
Fig. 6 is the structural representation flattening upper mould in the present invention；
Fig. 7 is the view processing the 4th right angle section in the present invention；
Fig. 8 processes the view that flanging is protruding in the present invention；
Fig. 9 is the machining state schematic diagram that pre-bends of the section of being folded flat in the present invention.
Label declaration in schematic diagram:
1-1, the first right angle section；1-2, the second right angle section；1-3, the 3rd right angle section；1-4, the 4th right angle section；1-5, flanging are protruding；1-6, the 5th right angle section；1-7, the section of being folded flat；1-7-1, changeover portion；1-8, the 6th right angle section；1-9, the 7th right angle section；
2, counterdie；2-1, the first V-shaped groove；2-2, counterdie flanging groove；2-2-1, flanging groove one section；2-2-2, flanging groove two-stage nitration；2-2-3, flanging groove three sections；2-2-4, flanging groove four sections；2-3, counterdie pre-fold groove；2-3-1, pre-fold groove one section；2-3-2, pre-fold groove two-stage nitration；2-3-3, pre-fold groove three sections；2-3-4, pre-fold groove four sections；2-4, the second V-shaped groove；
3, mould on right angle；3-1, right angle cutter handle of a knife；3-2, right angle cutter matrix；3-3, right angle cutter supporter；3-4, right angle cutter connector；3-5, sword neck；3-6, sword head；3-6-1, the first sword head；3-6-2, the second sword head；3-6-3, the 3rd sword head；
4,45 degree of upper moulds；4-1,45 degree of cutter handle of a knifes；4-2,45 degree of cutter cutter hubs；4-3,45 degree of jet blades；4-3-1, cutter head first paragraph；4-3-2, cutter head second segment；4-3-3, cutter head the 3rd section；4-3-4, cutter head the 4th section；4-3-5, cutter head the 5th section；4-3-6, cutter head the 6th section；
5, mould on flanging；5-1, hemming die handle of a knife；5-2, hemming die cutter hub；5-3, flanging die head；5-3-1, die head first paragraph；5-3-2, die head second segment；5-3-3, die head the 3rd section；5-3-4, die head the 4th section；5-3-5, die head the 5th section；
6, mould in pressing；6-1, flattening die handle of a knife；6-2, flattening die cutter hub；6-3, flattening die pressure head.
Detailed description of the invention
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1, a kind of doorjamb of the present embodiment, this doorjamb is to be formed cavity structure by metallic plate one bending, this cavity structure is by the first right angle section 1-1, second right angle section 1-2, 3rd right angle section 1-3, 4th right angle section 1-4, flanging projection 1-5, 5th right angle section 1-6, the section of being folded flat 1-7, changeover portion 1-7-1, 6th right angle section 1-8 and the seven right angle section 1-9 is connected in sequence (such as Fig. 1), wherein: flanging projection 1-5 includes three angled transition sections, the section of being folded flat 1-7 is angle is the overlay segment of 0 °, this section of being folded flat 1-7 is connected by changeover portion 1-7-1 and the six right angle section 1-8, and the length of the section of being folded flat 1-7 and the five right angle section 1-6 superposition section is more than 13.5mm.
In conjunction with Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of doorjamb Bending Mould of the present embodiment, including mould 5 on mould on counterdie 2, right angle 3,45 degree upper mould 4, flanging and the upper mould 6 of pressing, the two relative side of counterdie 2 is planar structure, a plane in this planar structure is provided with the first V-shaped groove 2-1 and counterdie flanging groove 2-2, counterdie flanging groove 2-2 coordinates with mould on flanging 5, for bending flanging projection 1-5.Opposite side plane at counterdie 2 is provided with counterdie and pre-folds groove 2-3 and the second V-shaped groove 2-4, and counterdie pre-folds the upper mould 4 of groove 2-3 and 45 degree and coordinates, and pre-bends for bending changeover portion 1-7-1 the section of being folded flat against 1-7.First V-shaped groove 2-1, the second V-shaped groove 2-4 coordinate with mould on right angle 3, for bending the first right angle section 1-1, the second right angle section 1-2, the 3rd right angle section 1-3, the 4th right angle section 1-4, the 5th right angle section 1-6, the 6th right angle section 1-8 and the seven right angle section 1-9.In pressing, mould 6 pre-folds the planar structure of side, groove 2-3 place and coordinates with counterdie, has been used for the bending of the section of being folded flat 1-7.
Counterdie flanging groove 2-2 in the present embodiment is connected in sequence by one section of 2-2-1 of flanging groove, flanging groove two-stage nitration 2-2-2, three sections of 2-2-3 of flanging groove and four sections of 2-2-4 of flanging groove, the planar structure angle of one section of 2-2-1 of flanging groove and counterdie 2 is 110 °, flanging groove two-stage nitration 2-2-2 and one section of 2-2-1 angle of flanging groove are the acute angle of 86～88 °, between flanging groove two-stage nitration 2-2-2 and three sections of 2-2-3 of flanging groove, angle is obtuse angle, and one section of 2-2-1 of four sections of 2-2-4 of flanging groove and flanging groove is vertical.Counterdie pre-fold groove 2-3 by pre-folding one section of 2-3-1 of groove, pre-fold groove two-stage nitration 2-3-2, pre-fold three sections of 2-3-3 of groove and pre-fold four sections of 2-3-4 of groove and be sequentially connected with and form, it is vertical with the planar structure of counterdie 2 that it pre-folds one section of 2-3-1 of groove, the angle pre-folding groove two-stage nitration 2-3-2 and pre-fold one section of 2-3-1 of groove is 45 °, pre-fold three sections of 2-3-3 of groove and pre-fold one section of 2-3-1 of groove and be arranged in parallel, the angle pre-folding four sections of 2-3-4 of groove and planar structure is 135 °, namely pre-folds four sections of 2-3-4 of groove parallel with pre-folding groove two-stage nitration 2-3-2.What deserves to be explained is, the length pre-folding groove two-stage nitration 2-3-2 is L, and the length pre-folding three sections of 2-3-3 of groove is B, then have 0.707L+B≤L, it is to avoid when the section of being folded flat against 1-7 pre-bends with pre-fold one section of 2-3-1 of groove and interfere, and just meet doorjamb Structural Design Requirement.The first V-shaped groove 2-1 in the present embodiment, the angle of the two sides of the second V-shaped groove 2-4 are 90 °, and offer rectangular channel bottom angle.
On right angle in the present embodiment, mould 3 is constituted (such as Fig. 3) by right angle cutter handle of a knife 3-1, right angle cutter matrix 3-2, right angle cutter supporter 3-3, right angle cutter connector 3-4, sword neck 3-5 and sword head 3-6, wherein: right angle cutter handle of a knife 3-1 is vertically set on right angle cutter matrix 3-2, for mould on right angle 3 is fixed to bender.Right angle cutter supporter 3-3 and right angle cutter matrix 3-2 is connected, and this right angle cutter supporter 3-3 is connected with sword neck 3-5 by right angle cutter connector 3-4, constitutes the bending section of mould 3 on right angle so that it is can adapt to machined mould structure.Sword neck 3-5 and right angle cutter handle of a knife 3-1 be arranged in parallel, sword neck 3-5 is provided with the sword head 3-6 of inclination, this sword head 3-6 is by the first sword head 3-6-1, second sword head 3-6-2 and the three sword head 3-6-3 is sequentially connected with composition, and first the angle of sword head 3-6-1 and the second sword head 3-6-2 be 86 °, second sword head 3-6-2 and the three sword head 3-6-3 is vertically arranged and acute angle folded by the second sword head 3-6-2 and sword neck 3-5 length direction is 43 °, so that the first sword head 3-6-1, second sword head 3-6-2 is equal with the angle of vertical direction, when on right angle, mould 3 can fold 90 ° of die angles with the first V-shaped groove 2-1 or the second V-shaped groove 2-4 when coordinating.
The upper mould 4 of in the present embodiment 45 degree is sequentially connected with is constituted (such as Fig. 4) by the 45 degree of cutter handle of a knife 4-1 set gradually in the same direction, 45 degree of cutter cutter hub 4-2 and 45 degree jet blade 4-3, wherein: 45 degree of jet blade 4-3 are sequentially connected with are constituted by cutter head first paragraph 4-3-1, cutter head second segment 4-3-2, the 3rd section of 4-3-3 of cutter head, the 4th section of 4-3-4 of cutter head, the 5th section of 4-3-5 of cutter head and the 6th section of 4-3-6 of cutter head.Cutter head first paragraph 4-3-1, the 3rd section of 4-3-3 of cutter head, the 5th section of 4-3-5 of cutter head, the 6th section of 4-3-6 of cutter head are arranged along the length direction of 45 degree of upper moulds 4,45 degree of cutter cutter hub 4-2 when can avoid bending that arrange of cutter head first paragraph 4-3-1 are interferenceed with machined mould, simultaneously in order to avoid the 5th section of 4-3-5 of cutter head coordinates the straightway rolled over to be affected by mould with pre-folding one section of 2-3-1 of groove, the 6th section of 4-3-6 of the 5th section of 4-3-5 of cutter head and cutter head is connected by filleted transition so that it is in concave shaped.45 ° of inclinations angle are had between the length direction of cutter head second segment 4-3-2, the 4th section of 4-3-4 of cutter head and 45 degree of upper moulds 4, the length of the 3rd section of 4-3-3 of cutter head is equal with the length pre-folding three sections of 2-3-3 of groove, the length of the 4th section of 4-3-4 of cutter head is less than the length pre-folding groove two-stage nitration 2-3-2, pre-fold the 4th section of difference in height that 4-3-4 reflects on vertical curve of groove two-stage nitration 2-3-2 and cutter head equal with the thickness of slab of rolled over metallic plate, so that 45 degree of upper moulds 4 can to pre-fold groove 2-3 fully mated with the counterdie of counterdie 2.
On flanging in the present embodiment, mould 5 is connected successively by hemming die handle of a knife 5-1, hemming die cutter hub 5-2 and flanging die head 5-3 and forms (such as Fig. 5), and described flanging die head 5-3 is connected in sequence by die head first paragraph 5-3-1, die head second segment 5-3-2, the 3rd section of 5-3-3 of die head, the 4th section of 5-3-4 of die head and the 5th section of 5-3-5 of die head.Die head first paragraph 5-3-1 is 110 ° with the angle of the vertical section of mould 5 on flanging, and this die head first paragraph 5-3-1 is perpendicular to the 4th section of 5-3-4 of die head, so as to make machined flanging projection 1-5 be connected with the part of its both sides.Die head second segment 5-3-2, the 3rd section of 5-3-3 of die head, angle between the 4th section of 5-3-4 of die head and corresponding three sections of 2-2-3 of flanging groove, flanging groove two-stage nitration 2-2-2, angle between one section of 2-2-1 of flanging groove is equal, and the length of three sections of 2-2-3 of the length of die head second segment 5-3-2 and flanging groove is equal, the length of the 3rd section of 5-3-3 of the die head length less than flanging groove two-stage nitration 2-2-2, the 5th section of 5-3-5 of the 4th section of 5-3-4 of die head and die head is be arranged in parallel and is connected by filleted transition, this structure arranges and mould 5 and counterdie flanging groove 2-2 on flanging can be made fully mated when processing metal plate mold.
The upper mould 6 that flattens in the present embodiment is the concave shaped structure (such as Fig. 6) being connected in sequence by flattening die handle of a knife 6-1, flattening die cutter hub 6-2 and flattening die pressure head 6-3, and the bottom surface of its flattening die pressure head 6-3 is plane.In order to adapt to the use of bender and for convenient control in the course of processing to mould, on the right angle in the present embodiment, on mould 3,45 degree upper mould 4, flanging, the length of mould 5 and the upper mould 6 of pressing is equal.
In conjunction with Fig. 7, Fig. 8 and Fig. 9, a kind of doorjamb bending method of the present embodiment, the steps include:
Step one, select material according to the total length of workpiece to be processed, further according to the first right angle section 1-1 of doorjamb, the second right angle section 1-2, the 3rd right angle section 1-3, the 4th right angle section 1-4, flanging projection 1-5, the 5th right angle section 1-6, the section of being folded flat 1-7, changeover portion 1-7-1, the 6th right angle section 1-8 and the seven right angle section 1-9 length at its intersection marking；
Step 2, made marks according to step one, mould 3 on the right angle of doorjamb Bending Mould is adopted to coordinate with the first V-shaped groove 2-1, folding the first right angle section 1-1, the second right angle section 1-2, the 3rd right angle section 1-3, the 4th right angle section 1-4 successively, folded angle is all 90 °；
After step 3, step 2 complete, mould on right angle 3 is changed into mould 5 on flanging, and makes mould 5 on flanging corresponding with counterdie flanging groove 2-2 position, fold flanging projection 1-5, as shown in Figure 8 structure；
After step 4, step 3 complete, again change mould 3 on right angle, and adjust counterdie 2, fold the 5th right angle section 1-6, the 6th right angle section 1-8, the 7th right angle section 1-9 successively, and institute's knuckle degree is all 90 °, structure as shown in Figure 7；
After step 5, step 4 complete, change on 45 degree mould 4 and to make it pre-fold groove 2-3 position with counterdie corresponding, fold the 45° angle that pre-bends of changeover portion 1-7-1 and the section of being folded flat 1-7, structure as shown in Figure 9；
After step 6, step 5 complete, change the upper mould 6 of pressing and make it corresponding with the planar structure of counterdie 2, extruding the section of the being folded flat 1-7 of 0 °, obtain required doorjamb workpiece.The present embodiment is by not ibid the cooperating of mould and counterdie, it is possible to easily and fast process the doorjamb that joint close is tight, soundproof effect is good.
The bending and molding method process step design of the present embodiment is reasonable, the course of processing is absent from interference, improve the working (machining) efficiency of bender, the most key is, the doorjamb Bending Mould adopting the present embodiment can successfully process doorjamb as shown in Figure 1, this doorjamb has tamper-resistant function and good soundproof effect, and the concordance of the size of doorjamb is better.It should be noted that sheet metal thickness used by general doorjamb is 1～1.8mm, in order to ensure ratio of briquetting, the length pre-folding three sections of 2-3-3 of groove is at least 3.5mm, selects 4mm in the present embodiment.In order to ensure on 45 degree the precision of mould 5 on mould 4, flanging, the present embodiment line cutting technology has processed the model set of mould 5 on 45 degree of upper mould 4, flangings, mould 5 on mould 4, flanging is only made on 45 degree to engage completely with respective model set, its precision of guarantee and designed consistent size, otherwise need to carry out reconditioning, to ensure the precision of machined doorjamb.In order to improve the result of use of doorjamb Bending Mould in the present embodiment, the present embodiment additionally provides the processing method of a kind of doorjamb Bending Mould, its step particularly as follows:
(1), processing counterdie 2, the processing technique of this counterdie 2 is: step one: the raw material of counterdie 2 prepares；Step 2, rough forging make annealing treatment；Step 3, rough forging roughing；Step 4, counterdie 2 processing and forming are also checked；The two relative side of machined counterdie 2 is planar structure, and the plane in this planar structure is provided with the first V-shaped groove 2-1 and counterdie flanging groove 2-2, and the opposite side plane at counterdie 2 is provided with counterdie and pre-folds groove 2-3 and the second V-shaped groove 2-4；
(2), processing mould 4 on 45 degree, on these 45 degree, the processing technique of moulds 4 is: step one, 45 degree of raw materials going up moulds 4 prepare；Step 2, rough forging make annealing treatment；Step 3, rough forging roughing；Step 4, processing and forming are also checked；The upper mould 4 of machined 45 degree is made up of the 45 degree of cutter handle of a knife 4-1 set gradually in the same direction, 45 degree of cutter cutter hub 4-2 and 45 degree jet blade 4-3；
(3), processing mould 5 on flanging, on this flanging, the processing technique of mould 5 is: on step one, flanging, the raw material of mould 5 prepares；Step 2, rough forging make annealing treatment；Step 3, rough forging roughing；Step 4, processing and forming are also checked；On machined flanging, mould 5 is connected successively by hemming die handle of a knife 5-1, hemming die cutter hub 5-2 and flanging die head 5-3 and forms；
(4), processing mould 3 and the upper mould 6 of pressing on right angle, on the right angle in step (2)-(4), on mould 3,45 degree upper mould 4, flanging, the length of mould 5 and the upper mould 6 of pressing is equal.
In the present embodiment counterdie 2 processing method particularly as follows:
Step one, counterdie 2 raw material prepare: the present embodiment processing counterdie 2 used by rough forging, its components based on weight percentage is: C:0.45%, Si:0.39%, Mn:0.78%, S:0.030%, P:0.028%, Cr:2.10%, Ni:0.030%, Cu:0.030%, Mo:0.25%, Sn:0.048%, its surplus is Fe；
Step 2, rough forging make annealing treatment: after step one is forged, put in stove by the rough forging of step one, and with the annealing temperature 6 hours of 755 DEG C, it is cold that stove is cooled to 400 DEG C of laggard line spaces；
Step 3, blank roughing: after the annealing of step 2, be processed as the workpiece leaving surplus, oil quenching after this first piece is incubated 3 hours at 800 DEG C of temperature, tempering at 650 DEG C of temperature；
Step 4: counterdie 2 processing and forming: step 4 gained counterdie 2 is carried out polish and stays 0.2mm surplus, after secondary fine is processed, upper grinding machine carries out grinding, and it was heated to 800 DEG C in 20 minutes, quench after being incubated 80 minutes, first both ends of the surface are cooled down 5 minutes in hardening media during quenching, integral quenching again, namely completes the production of counterdie 2.During the present embodiment processing counterdie 2, conditioned process makes its mechanical performance improve, and by twice Quenching Treatment, to ensure that the first V-shaped groove 2-1 on counterdie 2, counterdie flanging groove 2-2, counterdie pre-fold groove 2-3 and the second V-shaped groove 2-4 and will not deform in the course of processing, improve its hardness.
In the present embodiment 45 degree of upper moulds 4 processing method particularly as follows:
Step one, 45 degree of raw materials going up moulds 4 prepare: its components based on weight percentage is: C:0.40%, Si:0.38%, Mn:0.75%, S:0.030%, P:0.028%, Cr:2.10%, Ni:0.030%, Cu:0.030%, Mo:0.25%, Te:0.028%, its surplus is Fe；
Step 2, rough forging make annealing treatment: after step one is forged, put in stove by the rough forging of step one, and with the annealing temperature 5 hours of 780 DEG C, it is cold that stove is cooled to 400 DEG C of laggard line spaces, and obtaining rough forging hardness is HB230；
Step 3, rough forging roughing: after the processing of step 2, become to leave the workpiece of surplus by blank roughing, then carry out high-frequency quenching process, workpiece heat to 900 DEG C is incubated 90 minutes, then work surface is carried out saline treatment, place in oil bath and cool down；
Step 4, processing and forming: workpiece polish stream 0.2mm surplus, after secondary fine processing, upper grinding machine refines to required size, and completes processing after the assay was approved with model set.
In the present embodiment on flanging mould 5 processing method particularly as follows:
On step one, flanging, the raw material of mould 5 prepares: its components based on weight percentage is: C:0.38%, Si:0.38%, Mn:0.75%, S:0.030%, P:0.028%, Cr:2.10%, Ni:0.030%, Cu:0.010%, Mo:0.25%, Zr:0.036%, its surplus is Fe；
Step 2, rough forging make annealing treatment: after step one is forged, put in stove by the rough forging of step one, and with the annealing temperature 5 hours of 780 DEG C, it is cold that stove is cooled to 400 DEG C of laggard line spaces, and obtaining rough forging hardness is HB220；
Step 3, rough forging roughing: after the processing of step 2, become to leave the workpiece of surplus by blank roughing, then carry out high-frequency quenching process, workpiece heat to 850 DEG C is incubated 80 minutes, then work surface is carried out saline treatment, place in oil bath and cool down；
Step 4, processing and forming: workpiece polish stream 0.2mm surplus, after secondary fine processing, upper grinding machine refines to required size, and completes processing after the assay was approved with model set.
In the present embodiment, on right angle, mould 3 and the upper mould 6 of pressing are that conventional method is processed.On the upper mould of counterdie machined in embodiment 2,45 degree and flanging, the hardness of mould 5 is high, is unlikely to deform, and then improves the machining accuracy of doorjamb in use procedure.
Schematically the present invention and embodiment thereof being described above, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, when without departing from the invention objective, design the frame mode similar to this technical scheme and embodiment without creationary, protection scope of the present invention all should be belonged to.
Claims (8)
- null1. a doorjamb，It is characterized in that: this doorjamb is by the cavity structure of metallic plate one bending，This cavity structure is by the first right angle section (1-1)、Second right angle section (1-2)、3rd right angle section (1-3)、4th right angle section (1-4)、Flanging protruding (1-5)、5th right angle section (1-6)、The section of being folded flat (1-7)、Changeover portion (1-7-1)、6th right angle section (1-8) and the 7th right angle section (1-9) are connected in sequence，Wherein: flanging protruding (1-5) includes three angled transition sections，The section of being folded flat (1-7) is overlay segment that angle is 0 °，This section of being folded flat (1-7) is connected with the 6th right angle section (1-8) by changeover portion (1-7-1)，And the length of the section of being folded flat (1-7) and the 5th right angle section (1-6) superposition section is more than 13.5mm.
- 2. a doorjamb Bending Mould, including flattening upper mould (6), it is characterized in that: also include mould (5) on mould (3) on counterdie (2), right angle, 45 degree of upper moulds (4) and flanging, the two relative side of described counterdie (2) is planar structure, a plane in this planar structure is provided with the first V-shaped groove (2-1) and counterdie flanging groove (2-2), described counterdie flanging groove (2-2) coordinates with mould on flanging (5), for bending flanging protruding (1-5)；Opposite side plane at counterdie (2) is provided with counterdie and pre-folds groove (2-3) and the second V-shaped groove (2-4), described counterdie pre-folds groove (2-3) and coordinates with 45 degree of upper moulds (4), pre-bends for bending changeover portion (1-7-1) the section of being folded flat against (1-7)；Described first V-shaped groove (2-1), the second V-shaped groove (2-4) coordinate with mould on right angle (3), for bending the first right angle section (1-1), the second right angle section (1-2), the 3rd right angle section (1-3), the 4th right angle section (1-4), the 5th right angle section (1-6), the 6th right angle section (1-8) and the 7th right angle section (1-9), in described pressing, mould (6) pre-folds the planar structure of groove (2-3) side, place and coordinates with counterdie, has been used for the bending of the section of being folded flat (1-7).
- 3. a kind of doorjamb Bending Mould according to claim 2, it is characterized in that: described counterdie flanging groove (2-2) is by flanging groove one section (2-2-1), flanging groove two-stage nitration (2-2-2), flanging groove three sections (2-2-3) and flanging groove four sections (2-2-4) are connected in sequence, described flanging groove one section (2-2-1) and described planar structure angle are 110 °, flanging groove two-stage nitration (2-2-2) and one section of (2-2-1) angle of flanging groove are acute angle, between described flanging groove two-stage nitration (2-2-2) and flanging groove three sections (2-2-3), angle is obtuse angle, and flanging groove four sections (2-2-4) and flanging groove one section (2-2-1) are vertical；Described counterdie pre-fold groove (2-3) by pre-folding groove one section (2-3-1), pre-fold groove two-stage nitration (2-3-2), pre-fold groove three sections (2-3-3) and pre-fold groove four sections (2-3-4) and be sequentially connected with and form, it is described that to pre-fold groove one section (2-3-1) vertical with described planar structure, the angle pre-folding groove two-stage nitration (2-3-2) and pre-fold groove one section (2-3-1) is 45 °, described pre-fold groove three sections (2-3-3) one section (2-3-1) be arranged in parallel with pre-folding groove, described in pre-fold the angle of groove four sections (2-3-4) and planar structure be 135 °；Described the first V-shaped groove (2-1), the angle of the two sides of the second V-shaped groove (2-4) are 90 °, and offer rectangular channel bottom angle.
- 4. a kind of doorjamb Bending Mould according to claim 3, it is characterized in that: on described right angle, mould (3) is by right angle cutter handle of a knife (3-1), right angle cutter matrix (3-2), right angle cutter supporter (3-3), right angle cutter connector (3-4), sword neck (3-5) and sword head (3-6) are constituted, wherein: right angle cutter handle of a knife (3-1) is vertically set on right angle cutter matrix (3-2), right angle cutter supporter (3-3) is connected with right angle cutter matrix (3-2), this right angle cutter supporter (3-3) is connected with sword neck (3-5) by right angle cutter connector (3-4), constitute the bending section of mould on right angle (3)；Described sword neck (3-5) and right angle cutter handle of a knife (3-1) be arranged in parallel, sword neck (3-5) is provided with the sword head (3-6) of inclination, this sword head (3-6) is by the first sword head (3-6-1), second sword head (3-6-2) and the 3rd sword head (3-6-3) are sequentially connected with composition, the angle of described first sword head (3-6-1) and the second sword head (3-6-2) is 86 °, second sword head (3-6-2) and the 3rd sword head (3-6-3) are vertically arranged and acute angle folded by the second sword head (3-6-2) and sword neck (3-5) length direction is 43 °.
- null5. a kind of doorjamb Bending Mould according to claim 3，It is characterized in that: described 45 degree of upper moulds (4) are by the 45 degree of cutter handle of a knifes (4-1) set gradually in the same direction、45 degree of cutter cutter hubs (4-2) and 45 degree of jet blades (4-3) are constituted，Wherein: 45 degree of jet blades (4-3) are by cutter head first paragraph (4-3-1)、Cutter head second segment (4-3-2)、Cutter head the 3rd section (4-3-3)、Cutter head the 4th section (4-3-4)、Cutter head the 5th section (4-3-5) and cutter head the 6th section (4-3-6) are sequentially connected with composition，Described cutter head first paragraph (4-3-1)、Cutter head the 3rd section (4-3-3)、Cutter head the 5th section (4-3-5)、Cutter head the 6th section (4-3-6) is arranged along the length direction of 45 degree of upper moulds (4)，And cutter head the 5th section (4-3-5) is connected by filleted transition with cutter head the 6th section (4-3-6)，Described cutter head second segment (4-3-2)、45 ° of inclinations angle are had between the length direction of cutter head the 4th section (4-3-4) and 45 degree of upper moulds (4)，The length of cutter head the 3rd section (4-3-3) is equal with the length pre-folding groove three sections (2-3-3)，The length of cutter head the 4th section (4-3-4) is less than the length pre-folding groove two-stage nitration (2-3-2).
- null6. a kind of doorjamb Bending Mould according to claim 3，It is characterized in that: on described flanging, mould (5) is by hemming die handle of a knife (5-1)、Hemming die cutter hub (5-2) and flanging die head (5-3) are connected successively and form，Described flanging die head (5-3) is by die head first paragraph (5-3-1)、Die head second segment (5-3-2)、Die head the 3rd section (5-3-3)、Die head the 4th section (5-3-4) and die head the 5th section (5-3-5) are connected in sequence，The angle of described die head first paragraph (5-3-1) and mould (5) on flanging vertically section is 110 °，And this die head first paragraph (5-3-1) is perpendicular to die head the 4th section (5-3-4)，Described die head second segment (5-3-2)、Die head the 3rd section (5-3-3)、Angle between die head the 4th section (5-3-4) and corresponding flanging groove three sections (2-2-3)、Flanging groove two-stage nitration (2-2-2)、Angle between flanging groove one section (2-2-1) is equal，The length of the length and flanging groove three sections (2-2-3) of described die head second segment (5-3-2) is equal，The length of described die head the 3rd section (5-3-3) length less than flanging groove two-stage nitration (2-2-2)，Described die head the 4th section (5-3-4) is be arranged in parallel with die head the 5th section (5-3-5) and is connected by filleted transition.
- 7. a kind of doorjamb Bending Mould according to claim 3, it is characterized in that: in described pressing, mould (6) is the concave shaped structure being connected in sequence by flattening die handle of a knife (6-1), flattening die cutter hub (6-2) and flattening die pressure head (6-3), and the bottom surface of described flattening die pressure head (6-3) is plane.
- 8. a kind of doorjamb Bending Mould according to any one of claim 3-7, it is characterised in that: on described right angle, on mould (3), 45 degree of upper mould (4), flangings, the length of mould (5) and the upper mould (6) of pressing is equal.
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| CN201510971078.2A CN105598266B (en) | 2014-12-24 | 2014-12-24 | A kind of doorjamb bending method |
| CN201410819761.XA CN104438489B (en) | 2014-12-24 | 2014-12-24 | A kind of doorjamb and Bending Mould thereof |
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| CN105113915A (en) * | 2015-07-30 | 2015-12-02 | 濮阳市达森门业有限公司 | Novel door frame |
| CN105113714A (en) * | 2015-08-19 | 2015-12-02 | 中国扬子集团滁州扬子门业有限公司 | Protecting cabin standing column, bending die and bending method thereof |
| CN105268847A (en) * | 2015-10-10 | 2016-01-27 | 中航飞机股份有限公司西安飞机分公司 | Bending die and method for acute-angle groove-shaped sheet metal part |
| CN105817504B (en) * | 2016-05-31 | 2017-07-18 | 湖北三环锻压设备有限公司 | The bending method of the U-shaped bucket dumper wagon box side plate shaped piece of high-strength steel sheet production |
| CN106312485A (en) * | 2016-11-09 | 2017-01-11 | 安徽联盟模具工业股份有限公司 | High-precision long-service-life bending machine lower die manufacturing method |
| CN107309338B (en) * | 2017-07-28 | 2019-07-12 | 武汉一冶钢结构有限责任公司 | A kind of steel box-girder anticollision barrier panel Bending Mould and bending production method |
| CN108500145B (en) * | 2018-06-07 | 2023-10-10 | 杭州杰恺自动化设备有限公司 | Automatic forming compression fittings that bends of refrigerator door shell board |
| CN110340231B (en) * | 2019-07-12 | 2020-09-29 | 中车长春轨道客车股份有限公司 | Flexible forming process and die for stainless steel metro vehicle window frame |
| CN110788169B (en) * | 2019-11-04 | 2020-12-15 | 苏州君菱机电有限公司 | Bending process and bending equipment for elevator sill |
| CN111996843A (en) * | 2020-04-30 | 2020-11-27 | 中船第九设计研究院工程有限公司 | Guide rail for underwater traveling wheels and machining method of guide rail |
| CN112517789A (en) * | 2020-11-25 | 2021-03-19 | 湖南潇安安全科技有限公司 | Preparation process of middle vertical frame of window frame |
| CN112517790A (en) * | 2020-11-25 | 2021-03-19 | 湖南潇安安全科技有限公司 | Preparation process of window sash frame body |
| CN112916667A (en) * | 2021-03-05 | 2021-06-08 | 四川利维阳科技有限责任公司 | Case door manufacturing device and method |
| CN113385596A (en) * | 2021-06-15 | 2021-09-14 | 新代科技(苏州)有限公司 | Feeding compensation method for bending center flattening process |
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| GB2185056B (en) * | 1986-01-07 | 1989-10-25 | Martin Roberts Limited | Security panel for a new or existing door |
| JP2002120015A (en) * | 2000-10-13 | 2002-04-23 | Tiger Kosan:Kk | Metal plate folding device |
| KR100624375B1 (en) * | 2005-06-30 | 2006-09-15 | 동방노보펌 주식회사 | Mold for making door frame of a fire door |
| KR100651074B1 (en) * | 2005-09-29 | 2006-12-01 | 김정임 | A door frame making mould and making method of door frame thereof |
| CN101122207A (en) * | 2007-09-19 | 2008-02-13 | 李庆文 | Anti-theft gate rabbet, its production method and its special mould |
| KR20100128856A (en) * | 2009-05-29 | 2010-12-08 | 엔에이취케이주식회사 | Fire prevention it bites and the frame production production frame which it bites |
| KR101388274B1 (en) * | 2014-01-14 | 2014-04-22 | 이일국 | Molds for making door frames |
| CN104998934B (en) * | 2014-04-08 | 2017-03-22 | 安徽新源精密模具有限公司 | Machining method of nine-bending workpiece |
| CN204338624U (en) * | 2014-12-24 | 2015-05-20 | 安徽长江机床制造（集团）有限公司 | A kind of doorjamb Bending Mould |
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| CN105598266B (en) | 2017-06-16 |
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