CN104438489A - Door frame, door frame bending die and bending method - Google Patents
Door frame, door frame bending die and bending method Download PDFInfo
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- CN104438489A CN104438489A CN201410819761.XA CN201410819761A CN104438489A CN 104438489 A CN104438489 A CN 104438489A CN 201410819761 A CN201410819761 A CN 201410819761A CN 104438489 A CN104438489 A CN 104438489A
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- right angle
- groove
- flanging
- head
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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
Abstract
The invention discloses a door frame and a door frame bending die and bending method and belongs to the technical fields of dies and bending. The door frame bending die comprises a lower die, a right-angle upper die, a 45-degree upper die, an edge folding upper die and a flattening upper die, wherein a lower die edge folding groove of the lower die is matched with the edge folding upper die and used for bending a folded edge protrusion. A lower die pre-folding groove is matched with the 45-degree upper die and used for folding a transition section and pre-bending a flatly-folded section. A first V-shaped groove and a second V-shaped groove of the lower die are matched with the right-angle upper die. The door frame bending die is reasonable in structural design, the matching performance of the upper dies and the lower die is good, reasonable avoiding can be achieved, forming effect is good, only four upper dies are used for machining the complicated structure, and machining cost is low. The door frame bending method is reasonable in machining sequence arrangement, no interference phenomenon occurs in the machining process, machining efficiency is high, and a machined door frame is tight in closing and good in sound insulation effect.
Description
Technical field
The present invention relates to mould and brake techniques field, more particularly, relate to a kind of doorjamb, doorjamb Bending Mould and bending method.
Background technology
Bending machine die is that bender is used for the instrument of machine-shaping plate, and this instrument is made up of various part, and the part that different moulds is formed is different, and it realizes the processing of article profile mainly through the change of institute's moulding material physical state.Under the effect of bender pressure, by the guiding each other of upper die of bending machine and counterdie, blank is become have the workpiece of given shape and size.In actual production process, enterprise according to the difference of shaping workpiece shape or size, can configure the counterdie of different FLUTE ANGLE.But along with expanding economy, want the shape of the workpiece of bending also more and more diversified, workpiece different so just needs certain moduli tool to process, and especially needs the doorjamb of various shape in antitheft door.Present antitheft door is not merely make an issue of on lockset, the design of doorframe also must have certain anti-ly pry open performance, could meet security requirement like this.
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 large, traditional is not compressingly suitable for this workpiece, does not know again how to use bender to process, although result in this workpiece to design, there is the predicament that cannot process.This doorjamb structure as shown in Figure 1, this doorjamb is made up of multiple right angles section, flanging protruding 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, the protruding 1-5 of its flanging is used for door leaf is engaged with doorjamb tightly, there is tamper-resistant function, its section of being folded flat 1-7 and changeover portion 1-7-1 then can ensure fitting tightly between the two further, and soundproof effect is better.This doorjamb may seem very simple, but its size Control and structure processing but there are great difficulty, the processing of the changeover portion 1-7-1 especially on flanging protruding 1-5, the section of being folded flat 1-7, because the size of the protruding 1-5 of flanging is less, be in again overall centre position, add the impact being vulnerable to other limits man-hour; Same, single being folded flat is easy to processing, if will fold changeover portion 1-7-1 again on the section of being folded flat 1-7, this has very large difficulty.In addition, how the processing sequence of this doorjamb total just can accomplish reasonably to dodge, and how to ensure the uniformity of size, these problems make enterprise comparatively have a headache, make it to feel frustrated, that envies this doorjamb structure does not ingeniously but have processing can the mould of employing.Therefore, provide a set of effective processing scheme to the development important in inhibiting in this doorjamb and this field.
Through retrieval, technical scheme about doorjamb bending is existing open, such as: Chinese Patent Application No.: 200710112952.2, the applying date: on September 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 bent into by metallic plate the structure that inside has L-type cavity, metallic plate comprises the first frame, second frame, 3rd frame, 4th frame, 5th frame and hexagon frame six part, between adjacent frame, bending is arranged, be connected between hexagon frame with the first frame, its special Bending Mould is comparatively common, just conventional orthogonal Bending Mould slightly improves, and rabbet is simple, that a rabbet or its processing mold all can not embody its creativeness.
Summary of the invention
1. invent the technical problem that will solve
The object of the invention is to overcome the deficiency that in prior art, baroque doorjamb cannot be processed, provide a kind of doorjamb, doorjamb Bending Mould and bending method, technical scheme of the present invention, by cooperatively interacting of different patrix and counterdie, the doorjamb that joint close is tight, soundproof effect is good can be processed easily and fast.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of doorjamb of the present invention, this doorjamb forms cavity structure by the bending of metallic plate one, 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 comprises three angled transition sections, the section of being folded flat to be angle the be overlay segment of 0 °, this section of being folded flat is connected with the 6th right angle section by changeover portion, and the length being folded flat Duan Yu five right angle section superposition section is greater than 13.5mm.
A kind of doorjamb Bending Mould of the present invention, comprise counterdie, right angle patrix, 45 degree of patrixes, flanging patrixes and flatten patrix, 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 flanging patrix, protruding for bending flanging; Be provided with counterdie in the opposite side plane of counterdie and pre-fold groove and the second V-shaped groove, described counterdie pre-folds groove and coordinates with 45 degree of patrixes, pre-bends to the section of being folded flat for bending changeover portion; Described first V-shaped groove, the second V-shaped groove coordinate with right angle patrix, for bending 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, the planar structure that described pressing patrix and counterdie pre-fold side, groove place coordinates, for completing 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 sections, flanging groove three sections and flanging groove four sections, described flanging groove one section and described planar structure angle are 110 °, flanging groove two sections and flanging groove one section of angle are acute angle, between described flanging groove two sections and flanging groove three sections, angle is obtuse angle, and flanging groove four sections is vertical with flanging groove one section; Described counterdie pre-folds groove and connects to form successively by pre-folding groove one section, pre-folding groove two sections, pre-fold groove three sections and pre-folding groove four sections, it is described that to pre-fold groove one section vertical with described planar structure, pre-folding groove two sections with the angle pre-folding groove one section is 45 °, describedly pre-fold groove three sections and pre-fold groove one section and be arranged in parallel, described in pre-fold groove four sections with the angle of planar structure be 135 °; The angle of the first described V-shaped groove, the two sides of the second V-shaped groove is 90 °, and offers rectangular channel bottom angle.
As further improvement of the present invention, described right angle patrix 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 and right angle cutter matrix are connected, this right angle cutter supporter is connected with sword neck by right angle cutter connector, constitutes the bending section of right angle patrix; 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 connected to form successively by the first sword women's head-ornaments, the second sword women's head-ornaments and the 3rd sword women's head-ornaments, the angle of described first sword women's head-ornaments and the second sword women's head-ornaments is 86 °, and the second sword women's head-ornaments are vertical with the 3rd sword women's head-ornaments to be arranged and folded by the second sword women's head-ornaments and sword neck length direction, acute angle is 43 °.
As further improvement of the present invention, described 45 degree of patrixes 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 formed, 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 connect and compose successively, described cutter head first paragraph, cutter head the 3rd section, cutter head the 5th section, the length direction of cutter head the 6th section of straight 45 degree of patrixes in edge is arranged, 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 cutter head the 4th section and the length direction of 45 degree of patrixes, 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 sections.
As further improvement of the present invention, described flanging patrix 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, the angle of described die head first paragraph and the vertical section of flanging patrix is 110 °, 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 sections, angle between flanging groove one section is equal, the length of length and the flanging groove three sections of described die head second segment is equal, the length that described die head is the 3rd section is less than the length of flanging groove two sections, described die head the 4th section is be arranged in parallel with die head the 5th section and is connected by the excessive section of chamfering.
As further improvement of the present invention, described pressing patrix is the concave shaped structure be 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, the length of described right angle patrix, 45 degree of patrixes, flanging patrixes and pressing patrixes is equal.
A kind of doorjamb bending method of the present invention, the steps include:
Step one, total length selection material according to workpiece to be processed, then according to the length of doorjamb every section at its intersection marking;
The right angle patrix of step 2, employing doorjamb Bending Mould coordinates with the first V-shaped groove, and fold the first right angle section, the second right angle section, the 3rd right angle section, the 4th right angle section successively, the angle that folds is all 90 °;
After step 3, step 2 complete, change right angle patrix into flanging patrix and make flanging patrix corresponding with counterdie flanging groove position, folding flanging projection;
After step 4, step 3 complete, again change right angle patrix 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 45 degree of patrixes and make itself and counterdie pre-fold slot and put 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 and flatten patrix and make it corresponding with the planar structure of counterdie, extrude 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, there is following beneficial effect:
(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, comprise right angle patrix, 45 degree of patrixes, flanging patrix, pressing upper die and lower die, good stability during worked door frame, can accomplish reasonably to dodge, working (machining) efficiency is high, and process complex part like this and only use 4 patrixes, processing cost is low;
(3) a kind of doorjamb Bending Mould of the present invention, its patrix and counterdie conformability good, can one-shot forming when processing flanging is protruding, crudy is high;
(4) a kind of doorjamb bending method of the present invention, by reasonably arranging processing sequence, make use of the design feature of each mould cleverly, and accomplished reasonably to dodge, 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 right angle patrix in the present invention;
Fig. 4 is the structural representation of 45 degree of patrixes in the present invention;
Fig. 5 is the structural representation of flanging patrix in the present invention;
Fig. 6 is the structural representation flattening patrix in the present invention;
Fig. 7 is the view of processing the 4th right angle section in the present invention;
Fig. 8 is the view of processing flanging projection 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 sections; 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 sections; 2-3-3, pre-fold groove three sections; 2-3-4, pre-fold groove four sections; 2-4, the second V-shaped groove;
3, right angle patrix; 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 women's head-ornaments; 3-6-2, the second sword women's head-ornaments; 3-6-3, the 3rd sword women's head-ornaments;
4,45 degree of patrixes; 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, flanging patrix; 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, patrix is flattened; 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 understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
Composition graphs 1, a kind of doorjamb of the present embodiment, this doorjamb forms cavity structure by the bending of metallic plate one, 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, the protruding 1-5 of flanging, 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 is connected in sequence (as Fig. 1), wherein: the protruding 1-5 of flanging comprises three angled transition sections, the section of being folded flat 1-7 to be angle the be overlay segment of 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 for being greater than 13.5mm.
Composition graphs 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of doorjamb Bending Mould of the present embodiment, comprise counterdie 2, right angle patrix 3,45 degree of patrixes 4, flanging patrix 5 and flatten patrix 6, 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 flanging patrix 5, for the protruding 1-5 of bending flanging.Be provided with counterdie in the opposite side plane of counterdie 2 and pre-fold groove 2-3 and the second V-shaped groove 2-4, counterdie pre-folds groove 2-3 and coordinates with 45 degree of patrixes 4, pre-bends to the section of being folded flat 1-7 for bending changeover portion 1-7-1.First V-shaped groove 2-1, the second V-shaped groove 2-4 coordinate with right angle patrix 3, for bending 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.Flatten patrix 6 to coordinate with the planar structure that counterdie pre-folds side, groove 2-3 place, for completing 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 flanging groove one section of 2-2-1, flanging groove two sections of 2-2-2, flanging groove three sections of 2-2-3 and flanging groove four sections of 2-2-4, the planar structure angle of flanging groove one section of 2-2-1 and counterdie 2 is 110 °, flanging groove two sections of 2-2-2 and flanging groove one section of 2-2-1 angle are the acute angle of 86 ~ 88 °, between flanging groove two sections of 2-2-2 and flanging groove three sections of 2-2-3, angle is obtuse angle, and flanging groove four sections of 2-2-4 and flanging groove one section of 2-2-1 is vertical.Counterdie pre-folds groove 2-3 and connects to form successively by pre-folding groove one section of 2-3-1, pre-folding groove two sections of 2-3-2, pre-fold groove three sections of 2-3-3 and pre-folding groove four sections of 2-3-4, it is vertical with the planar structure of counterdie 2 that it pre-folds groove one section of 2-3-1, pre-folding groove two sections of 2-3-2 with the angle pre-folding groove one section of 2-3-1 is 45 °, pre-fold groove three sections of 2-3-3 and pre-fold groove one section of 2-3-1 and be arranged in parallel, the angle pre-folding groove four sections of 2-3-4 and planar structure is 135 °, namely pre-folds groove four sections of 2-3-4 parallel with pre-folding groove two sections of 2-3-2.What deserves to be explained is, the length pre-folding groove two sections of 2-3-2 is L, and the length pre-folding groove three sections of 2-3-3 is B, then have 0.707L+B≤L, when avoiding pre-bending to the section of being folded flat 1-7 with pre-fold groove one section of 2-3-1 and interfere, and just meet doorjamb Structural Design Requirement.The angle of the first V-shaped groove 2-1 in the present embodiment, the two sides of the second V-shaped groove 2-4 is 90 °, and offers rectangular channel bottom angle.
Right angle patrix 3 in the present embodiment is made up of (as Fig. 3) 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 right angle patrix 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 right angle patrix 3, can adapt to institute's processing mold 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 women's head-ornaments 3-6-1, second sword women's head-ornaments 3-6-2 and the 3rd sword women's head-ornaments 3-6-3 connects to form successively, and the angle of the first sword women's head-ornaments 3-6-1 and the second sword women's head-ornaments 3-6-2 is 86 °, second sword women's head-ornaments 3-6-2 is vertical with the 3rd sword women's head-ornaments 3-6-3 to be arranged and folded by the second sword women's head-ornaments 3-6-2 and sword neck 3-5 length direction, acute angle is 43 °, to make the first sword women's head-ornaments 3-6-1, second sword women's head-ornaments 3-6-2 is equal with the angle of vertical direction, 90 ° of die angles can be folded when right angle patrix 3 coordinates with the first V-shaped groove 2-1 or the second V-shaped groove 2-4.
45 degree of patrixes 4 in the present embodiment are connected and composed (as Fig. 4) successively 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 of jet blade 4-3, wherein: 45 degree of jet blades 4 are connected and composed successively by cutter head first paragraph 4-3-1, cutter head second segment 4-3-2, cutter head the 3rd section of 4-3-3, cutter head the 4th section of 4-3-4, cutter head the 5th section of 4-3-5 and cutter head the 6th section of 4-3-6.Cutter head first paragraph 4-3-1, cutter head the 3rd section of 4-3-3, cutter head the 5th section of 4-3-5, cutter head the 6th section of 4-3-6 are arranged along the length direction of straight 45 degree of patrixes 4, the 45 degree of cutter cutter hub 4-2 that to arrange when can avoid bending of cutter head first paragraph 4-3-1 are interferenceed with institute processing mold, simultaneously in order to avoid cutter head the 5th section of 4-3-5 with pre-fold groove one section of 2-3-1 and coordinate rolled over straightway to affect by mould, cutter head the 5th section of 4-3-5 and cutter head the 6th section of 4-3-6 is connected by filleted transition, makes it be concave shaped.45 ° of inclinations angle are had between the length direction of cutter head second segment 4-3-2, cutter head the 4th section of 4-3-4 and 45 degree patrix 4, the length of cutter head the 3rd section of 4-3-3 is equal with the length pre-folding groove three sections of 2-3-3, the length of cutter head the 4th section of 4-3-4 is less than the length pre-folding groove two sections of 2-3-2, pre-fold the difference in height that groove two sections of 2-3-2 and cutter head the 4th section of 4-3-4 be reflected on vertical curve equal with the thickness of slab of rolled over metallic plate, groove 2-3 can be pre-folded with the counterdie of counterdie 2 to make 45 degree of patrixes 4 and coordinate completely.
Flanging patrix 5 in the present embodiment 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 (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, die head the 3rd section of 5-3-3, die head the 4th section of 5-3-4 and die head the 5th section of 5-3-5.The angle of die head first paragraph 5-3-1 and the vertical section of flanging patrix 5 is 110 °, and this die head first paragraph 5-3-1 is perpendicular to die head the 4th section of 5-3-4, the protruding 1-5 of processed flanging can be made to be connected with the part of its both sides.Die head second segment 5-3-2, die head the 3rd section of 5-3-3, angle between die head the 4th section of 5-3-4 and corresponding flanging groove three sections of 2-2-3, flanging groove two sections of 2-2-2, angle between flanging groove one section of 2-2-1 is equal, and the length of the length of die head second segment 5-3-2 and flanging groove three sections of 2-2-3 is equal, the length of die head the 3rd section of 5-3-3 is less than the length of flanging groove two sections of 2-2-2, die head the 4th section of 5-3-4 and die head the 5th section of 5-3-5 is be arranged in parallel and is connected by the excessive section of chamfering, this vibrational power flow can make flanging patrix 5 and counterdie flanging groove 2-2 coordinate completely when processing metal board mold.
Pressing patrix 6 in the present embodiment is the concave shaped structures (as Fig. 6) be 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 bender use and conveniently in process to the control of mould, 3, the 45 degree of patrixes 4 of the right angle patrix in the present embodiment, flanging patrix 5 and to flatten the length of patrix 6 equal.
Composition graphs 7, Fig. 8 and Fig. 9, a kind of doorjamb bending method of the present embodiment, the steps include:
Step one, total length selection material according to workpiece to be processed, then according to the length of the first right angle section 1-1, the second right angle section 1-2 of doorjamb, the 3rd right angle section 1-3, the 4th right angle section 1-4, the protruding 1-5 of flanging, 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 7th right angle section 1-9 at its intersection marking;
Step 2, to make marks according to step one, the right angle patrix 3 of doorjamb Bending Mould is adopted to coordinate with the first V-shaped groove 2-1, fold 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, the angle that folds is all 90 °;
After step 3, step 2 complete, change right angle patrix 3 into flanging patrix 5, and make flanging patrix 5 corresponding with counterdie flanging groove 2-2 position, fold flanging protruding 1-5, as shown in Figure 8 structure;
After step 4, step 3 complete, again change right angle patrix 3, 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 45 degree of patrixes 4 and to make itself and counterdie pre-fold groove 2-3 position 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 and flatten patrix 6 and make it corresponding with the planar structure of counterdie 2, extrude the section of the being folded flat 1-7 of 0 °, obtain required doorjamb workpiece.The present embodiment is cooperatively interacted by different patrix and counterdie, can process the doorjamb that joint close is tight, soundproof effect is good easily and fast.
The bending and molding method process step design of the present embodiment is reasonable, interference is there is not in process, improve the working (machining) efficiency of bender, the most key is, the doorjamb Bending Mould of employing the present embodiment successfully can process doorjamb as shown in Figure 1, this doorjamb has tamper-resistant function and good soundproof effect, and the uniformity of the size of doorjamb is better.It should be noted that, general doorjamb sheet metal thickness used is 1 ~ 1.8mm, and in order to ensure ratio of briquetting, the length pre-folding groove three sections of 2-3-3 is at least 3.5mm, selects 4mm in the present embodiment.In order to ensure the precision of 45 degree of patrixes 4, flanging patrix 5, the present embodiment line cutting technology has processed the model cover of 45 degree of patrixes 4, flanging patrix 5, only make 45 degree of patrixes 4, flanging patrix 5 overlap with respective model to engage completely, its precision of guarantee and designed consistent size, otherwise need to carry out reconditioning, with ensure the precision of processing doorjamb.In order to improve the result of use of doorjamb Bending Mould in the present embodiment, the present embodiment additionally provides a kind of processing method of doorjamb Bending Mould, and its step is specially:
(1), process counterdie 2, the processing technology of this counterdie 2 is: step one: the raw material of counterdie 2 prepare; Step 2, rough forging annealing in process; Step 3, rough forging roughing; Step 4, counterdie 2 processing and forming checking; The two relative side of the counterdie 2 processed is planar structure, the plane in this planar structure is provided with the first V-shaped groove 2-1 and counterdie flanging groove 2-2, is provided with counterdie pre-folds groove 2-3 and the second V-shaped groove 2-4 in the opposite side plane of counterdie 2;
(2), process 45 degree of patrixes 4, the processing technology of these 45 degree of patrixes 4 is: the raw material of step one, 45 degree of patrixes 4 prepare; Step 2, rough forging annealing in process; Step 3, rough forging roughing; Step 4, processing and forming checking; 45 degree of patrixes 4 processing are 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 of jet blade 4-3;
(3), process flanging patrix 5, the processing technology of this flanging patrix 5 is: the raw material of step one, flanging patrix 5 prepare; Step 2, rough forging annealing in process; Step 3, rough forging roughing; Step 4, processing and forming checking; The flanging patrix 5 processed 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), process right angle patrix 3 and flatten patrix 6, the length of 3, the 45 degree of patrixes 4 of the right angle patrix in step (2)-(4), flanging patrix 5 and pressing patrix 6 is equal.
In the present embodiment, the processing method of counterdie 2 is specially:
The raw material of step one, counterdie 2 prepare: the present embodiment processing counterdie 2 rough forging used, 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 annealing in process: after step one is forged, the rough forging of step one is put into stove, with the annealing temperature 6 hours of 755 DEG C, it is cold that stove is chilled to 400 DEG C of laggard line spaces;
Step 3, blank roughing: after the annealing in process 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, then tempering at 650 DEG C of temperature;
Step 4: counterdie 2 processing and forming: fine finishining is carried out to step 4 gained counterdie 2 and stays 0.2mm surplus, after secondary fine processing, upper grinding machine carries out grinding, and it was heated to 800 DEG C in 20 minutes, be incubated after 80 minutes and quench, first both ends of the surface are cooled 5 minutes in hardening media during quenching, integral quenching again, namely completes the production of counterdie 2.Through modifier treatment, its mechanical performance is improved during the present embodiment processing counterdie 2, 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 can not be out of shape in process, improve its hardness.
In the present embodiment, the processing method of 45 degree of patrixes 4 is specially:
The raw material of step one, 45 degree of patrixes 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 annealing in process: after step one is forged, the rough forging of step one is put into stove, with the annealing temperature 5 hours of 780 DEG C, it is cold that stove is chilled to 400 DEG C of laggard line spaces, and obtaining rough forging hardness is HB 230;
Step 3, rough forging roughing: after the processing of step 2, blank roughing is become to leave the workpiece of surplus, then carry out high-frequency quenching process, by workpiece heat to 900 DEG C of insulations 90 minutes, then working face is carried out saline treatment, then put into oil bath and cool;
Step 4, processing and forming: workpiece fine finishining stream 0.2mm surplus, after secondary fine processing, upper grinding machine fine grinding is to required size, and completes processing after the assay was approved with model cover.
In the present embodiment, the processing method of flanging patrix 5 is specially:
The raw material of step one, flanging patrix 5 prepare: 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 annealing in process: after step one is forged, the rough forging of step one is put into stove, with the annealing temperature 5 hours of 780 DEG C, it is cold that stove is chilled to 400 DEG C of laggard line spaces, and obtaining rough forging hardness is HB 220;
Step 3, rough forging roughing: after the processing of step 2, blank roughing is become to leave the workpiece of surplus, then carry out high-frequency quenching process, by workpiece heat to 850 DEG C of insulations 80 minutes, then working face is carried out saline treatment, then put into oil bath and cool;
Step 4, processing and forming: workpiece fine finishining stream 0.2mm surplus, after secondary fine processing, upper grinding machine fine grinding is to required size, and completes processing after the assay was approved with model cover.
In the present embodiment, right angle patrix 3 and pressing patrix 6 are conventional method processing.The hardness of the counterdie processed in embodiment 2,45 degree of patrixes and flanging patrix 5 is high, not yielding in use procedure, and then improves the machining accuracy of doorjamb.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (9)
1. a doorjamb, it is characterized in that: this doorjamb forms cavity structure by the bending of metallic plate one, 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 7th right angle section (1-9) are connected in sequence, wherein: flanging projection (1-5) comprises three angled transition sections, the section of being folded flat (1-7) for angle be the overlay segment of 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 section of being folded flat (1-7) is greater than 13.5mm with the length of the 5th right angle section (1-6) superposition section.
2. a doorjamb Bending Mould, comprise and flatten patrix (6), it is characterized in that: also comprise counterdie (2), right angle patrix (3), 45 degree of patrixes (4) and flanging patrix (5), 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 flanging patrix (5), for bending flanging projection (1-5); Be provided with counterdie in the opposite side plane of counterdie (2) and pre-fold groove (2-3) and the second V-shaped groove (2-4), described counterdie pre-folds groove (2-3) and coordinates with 45 degree of patrixes (4), pre-bends to the section of being folded flat (1-7) for bending changeover portion (1-7-1); Described first V-shaped groove (2-1), the second V-shaped groove (2-4) coordinate with right angle patrix (3), for bending 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), the planar structure that described pressing patrix (6) and counterdie pre-fold groove (2-3) side, place coordinates, for completing 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 sections (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 sections (2-2-2) and flanging groove one section of (2-2-1) angle are acute angle, between described flanging groove two sections (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-folds groove (2-3) and connects to form successively by pre-folding groove one section (2-3-1), pre-folding groove two sections (2-3-2), pre-fold groove three sections (2-3-3) and pre-folding groove four sections (2-3-4), it is described that to pre-fold groove one section (2-3-1) vertical with described planar structure, pre-folding groove two sections (2-3-2) with the angle pre-folding groove one section (2-3-1) is 45 °, describedly pre-fold groove three sections (2-3-3) and pre-fold groove one section (2-3-1) and be arranged in parallel, described in pre-fold groove four sections (2-3-4) with the angle of planar structure be 135 °;
The angle of described the first V-shaped groove (2-1), the two sides of the second V-shaped groove (2-4) is 90 °, and offers rectangular channel bottom angle.
4. a kind of doorjamb Bending Mould according to claim 3, it is characterized in that: described right angle patrix (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 formed, 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) and right angle cutter matrix (3-2) are connected, 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 right angle patrix (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 women's head-ornaments (3-6-1), second sword women's head-ornaments (3-6-2) and the 3rd sword women's head-ornaments (3-6-3) connect to form successively, described first sword women's head-ornaments (3-6-1) are 86 ° with the angle of the second sword women's head-ornaments (3-6-2), second sword women's head-ornaments (3-6-2) are vertical with the 3rd sword women's head-ornaments (3-6-3) to be arranged and the second sword women's head-ornaments (3-6-2) are 43 ° with acute angle folded by sword neck (3-5) length direction.
5. a kind of doorjamb Bending Mould according to claim 3, it is characterized in that: described 45 degree of patrixes (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 formed, wherein: 45 degree of jet blades (4) 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) connect and compose successively, 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 straight 45 degree of patrixes (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 patrixes (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 sections (2-3-2).
6. a kind of doorjamb Bending Mould according to claim 3, it is characterized in that: described flanging patrix (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, described die head first paragraph (5-3-1) is 110 ° with the angle of the vertical section of flanging patrix (5), 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 sections (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) is less than the length of flanging groove two sections (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 the excessive section of chamfering.
7. a kind of doorjamb Bending Mould according to claim 3, it is characterized in that: described pressing patrix (6) is the concave shaped structure be 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, is characterized in that: described right angle patrix (3), 45 degree of patrixes (4), flanging patrixes (5) and to flatten the length of patrix (6) equal.
9. a doorjamb bending method, is characterized in that, the steps include:
Step one, total length selection material according to workpiece to be processed, then according to the length of doorjamb every section at its intersection marking;
The right angle patrix (3) of step 2, employing doorjamb Bending Mould coordinates with the first V-shaped groove (2-1), fold 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, the angle that folds is all 90 °;
After step 3, step 2 complete, change right angle patrix (3) into flanging patrix (5) and make flanging patrix (5) corresponding with counterdie flanging groove (2-2) position, folding flanging projection (1-5);
After step 4, step 3 complete, again change right angle patrix (3) and adjust counterdie (2), folding the 5th right angle section (1-6), the 6th right angle section (1-8), the 7th right angle section (1-9) successively;
After step 5, step 4 complete, change 45 degree of patrixes (4) and to make itself and counterdie pre-fold groove (2-3) position corresponding, fold the 45° angle that pre-bends of changeover portion (1-7-1) and the section of being folded flat (1-7);
After step 6, step 5 complete, change and flatten patrix (6) and make it corresponding with the planar structure of counterdie (2), extrude the section of being folded flat (1-7) of 0 °, obtain required doorjamb workpiece.
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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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| 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 |
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| 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 |
| CN110788169A (en) * | 2019-11-04 | 2020-02-14 | 苏州君菱机电有限公司 | Bending process and bending equipment for elevator sill |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105598266A (en) | 2016-05-25 |
| CN105598266B (en) | 2017-06-16 |
| CN104438489B (en) | 2016-07-06 |
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