CN103878537B - A kind of forming and machining method of pipe fittings of automobile seat headrest and special forming mould tool - Google Patents
A kind of forming and machining method of pipe fittings of automobile seat headrest and special forming mould tool Download PDFInfo
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- CN103878537B CN103878537B CN201310584121.0A CN201310584121A CN103878537B CN 103878537 B CN103878537 B CN 103878537B CN 201310584121 A CN201310584121 A CN 201310584121A CN 103878537 B CN103878537 B CN 103878537B
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- 238000003754 machining Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005452 bending Methods 0.000 claims abstract description 53
- 238000000465 moulding Methods 0.000 claims abstract description 35
- 239000012528 membrane Substances 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 241000272165 Charadriidae Species 0.000 claims description 3
- 238000003672 processing method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000004080 punching Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/12—Bending rods, profiles, or tubes with programme control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2002/899—Head-rests characterised by structural or mechanical details not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a kind of forming and machining method of pipe fittings of automobile seat headrest, it can solve existing processing method and cannot ensure the problem of pipe fitting machining accuracy, first, adopts CNC tube bending machine by the headrest M shape support bending and forming of pipe fitting; Again by the headrest M shape support Integral bending of pipe fitting to its horizontal connection tube portion from the horizontal by 20 ° of angle positions; By profile of tooth moulding and bending die, pipe fitting is carried out again the processing and forming of two profiles of tooth; Finally headrest M shape support unit entirety is bent until the horizontal connection tube portion level of pipe fitting puts in place by profile of tooth moulding and bending die by described. The present invention also provides special profile of tooth moulding and bending die, it comprises cope match-plate pattern and lower bolster, cope match-plate pattern and lower bolster are by independent pilot parts guiding matched moulds, it also comprises profile of tooth forming module and bent into shape module, and profile of tooth forming module, bent into shape module are respectively arranged with and are installed on the upper die component under cope match-plate pattern and are installed on the lower membrane module on lower bolster.
Description
Technical field
The present invention relates to automotive seat component processing field, be specially a kind of forming and machining method and special forming mould tool of pipe fittings of automobile seat headrest.
Background technology
A kind of pipe fittings of automobile seat headrest 58, its structure is shown in Fig. 1 and Fig. 2, it comprises two ends vertical support bar 59, headrest M shape support 60, two ends vertical support bar connects as one by horizontal connection tube portion 61 with headrest M shape support, on the madial wall of one side vertical support bar, have two profiles of tooth 62, 63, because superposed profile of tooth 62 is positioned at pipe fitting M shape support 60 dead asterns, position, therefore be to be mostly first pipe fitting to be carried out to tooth Profile Machining at processing the type pipe fitting in the past, and then adopt bending machine by pipe fitting bending and forming, its shortcoming be first tooth Profile Machining again bend pipe processing cannot ensure that pipe fitting two ends vertical support bar is in same level position, thereby cannot meet required precision.
Summary of the invention
For the problems referred to above, the invention provides a kind of forming and machining method of pipe fittings of automobile seat headrest, it can solve existing processing method and cannot ensure the problem of pipe fitting machining accuracy; For this reason, the present invention also provides particular manufacturing craft.
A forming and machining method for pipe fittings of automobile seat headrest, is characterized in that: it comprises following procedure of processing:
(1) first, adopt CNC tube bending machine by the headrest M shape support bending and forming of pipe fitting;
(2) then by the headrest M shape support Integral bending of pipe fitting to its horizontal connection tube portion from the horizontal by 20 ° of angle positions;
(3) by profile of tooth moulding and bending die, pipe fitting is carried out again the processing and forming of two profiles of tooth;
(4) finally headrest M shape support unit entirety is bent until the horizontal connection tube portion level of pipe fitting puts in place by profile of tooth moulding and bending die by described.
A kind of special profile of tooth moulding and bending die of pipe fittings of automobile seat headrest, it comprises cope match-plate pattern and lower bolster, described cope match-plate pattern top is provided with patrix parallels, described cope match-plate pattern bottom is provided with patrix limiting iron, on described lower bolster, just the position of described patrix limiting iron is provided with to counterdie limiting iron, described cope match-plate pattern and lower bolster are by independent pilot parts guiding matched moulds, it is characterized in that: it also comprises profile of tooth forming module and bent into shape module, described profile of tooth forming module, bent into shape module is respectively arranged with the upper die component being installed under cope match-plate pattern and is installed on the lower membrane module on lower bolster.
It is further characterized in that:
The upper die component of described profile of tooth forming module comprises cutter bar fixing plate, push broach knife bar, push broach cushion block, profile of tooth push broach, crowded teeth punch, described cutter bar fixing plate is installed on described cope match-plate pattern bottom, described cutter bar fixing plate has knife bar die cavity, described push broach knife bar upper end is flush-mounted in the knife bar die cavity of described cutter bar fixing plate and described cope match-plate pattern is fixed in its upper end, and described push broach cushion block, profile of tooth push broach, crowded teeth punch are installed on successively in the vertical draw-in groove of described push broach knife bar from top to bottom and fix by bolt and described push broach knife bar respectively;
The lower membrane module of described profile of tooth forming module comprises molding concave die assembly and positioning compression device;
Described molding concave die assembly comprises low mold frame, low mold frame backing plate, lower mould holder and profile of tooth die plate insert, described lower mould holder is provided with two, described low mold frame backing plate transverse ends is installed on described lower bolster by described two lower mould holders are built on stilts, described low mold frame be installed on described low mold frame backing plate and with described low mold frame backing plate, two lower mould holders are bolted, described low mold frame upper surface, profile of tooth die plate insert all has workpiece location type groove, described low mold frame has profile of tooth die plate insert die cavity and push broach structure stroke cavity, described profile of tooth die plate insert is flush-mounted in described profile of tooth die plate insert die cavity and fixes with described low mold frame backing plate, described profile of tooth die plate insert die cavity and push broach structure stroke cavity UNICOM, the workpiece location type groove depth of described profile of tooth die plate insert is greater than the radius of workpiece external diameter,
Described positioning compression device comprises workpiece end face position block and 90 ° of corner oil cylinders, and described 90 ° of corner oil cylinders are provided with two; Described workpiece end face position block is installed on described low mold frame and is positioned at longitudinal rear side end of the workpiece location type groove of described low mold frame; Described two 90 ° of corner oil cylinders are installed on described lower bolster by corner oil cylinder cushion block respectively and are positioned at the both lateral sides of described die assembly; On the output shaft of described two 90 ° of corner oil cylinders, be separately installed with work clamp, wherein have keeper for the described work clamp bottom surface of workpiece pressing profile of tooth one side vertical support bar to be processed, described profile of tooth die plate insert is provided with protruding block upwards, workpiece press time described in protruding block and described keeper chimeric;
The upper die component of described bent into shape module comprises bent into shape upper mounted plate, bent into shape holding pad, nitrogen spring and tiltedly carving, described bent into shape upper mounted plate is installed under described cope match-plate pattern, described nitrogen spring upper end is installed in described bent into shape upper mounted plate and fixes with described cope match-plate pattern bottom surface, lower end connects described bent into shape holding pad, on described bent into shape holding pad, little guide pillar is installed, in described bent into shape upper mounted plate, little guide pin bushing is installed, described little guide column sleeve is loaded in described little guide pin bushing, on described bent into shape holding pad, be also provided with stop collar, described stop collar lower end is set on the pin of bent into shape holding pad, upper end is through described bent into shape upper mounted plate and cope match-plate pattern, in described stop collar, stop screw is installed,
The lower membrane module of described bent into shape module comprises workpiece locating and supporting device and workpiece press-bending slide block propulsion plant;
Described workpiece locating and supporting device comprises by counterdie cushion block and is installed on the bent into shape counterdie on described lower bolster, described bent into shape counterdie upper surface has the type groove of positioning workpieces, longitudinal front side end of described type groove is provided with end face location-plate, longitudinal trailing flank of described bent into shape counterdie is provided with the arc profile bending for workpiece, between described bent into shape counterdie and described counterdie cushion block, be connected and fixed by key respectively between described counterdie cushion block and described lower bolster;
Described workpiece press-bending slide block propulsion plant comprises slide block, take-up housing, described take-up housing is fixed on described lower bolster, and be positioned at longitudinal rear side of described workpiece locating and supporting device, the transverse ends of described take-up housing, be provided with longitudinally elongated positive stop lug boss, take-up housing pressure strip is installed on described positive stop lug boss, described take-up housing bottom surface, both sides positive stop lug boss and take-up housing pressure strip are combined to form a spill chute, described slide block is installed in described spill chute, and can be in described spill chute horizontal sliding longitudinally, longitudinal leading flank of described slide block is provided with slide block compact heap, longitudinal trailing flank of described slide block is provided with inclined-plane, longitudinal rear side of described take-up housing is provided with tiltedly carves backer, described longitudinal rear side of tiltedly carving backer, transverse ends is separately installed with backer's diagonal brace, described longitudinal leading flank of tiltedly carving backer is also provided with backer's brake pad, tiltedly carve longitudinal trailing flank CONTACT WITH FRICTION and coordinate with described at backer's brake pad described in matched moulds process, described slide block with tiltedly carve between backer and be also longitudinally connected by rod assembly.
The forming and machining method of pipe fittings of automobile seat headrest of the present invention, its first by the headrest M shape support Integral bending of pipe fitting to its horizontal connection tube portion from the horizontal by 20 ° of angle positions, by profile of tooth moulding and bending die, pipe fitting is carried out again the processing and forming of two profiles of tooth, therefore effectively avoided the interference of headrest M shape support to tooth Profile Machining, can effectively ensure the machining accuracy of pipe fitting, when its profile of tooth moulding simultaneously, adopt first crowded teeth, the mode of tooth pushing can ensure that a punching press can complete profile of tooth processing and forming and follow-up no longer needs carried out machined finishing to profile of tooth again, therefore can effectively improve working (machining) efficiency, profile of tooth moulding of the present invention and bending die, its punching press can complete two different work step processing to two workpiece simultaneously, has therefore further improved working (machining) efficiency.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of the pipe fittings of automobile seat headrest processed of the present invention;
Fig. 2 is the backsight structural representation of Fig. 1;
Fig. 3 is that profile of tooth moulding of the present invention and the main TV structure of bending die under matched moulds state are arranged schematic diagram;
Fig. 4 is the structural representation that profile of tooth moulding of the present invention and bending die are installed on each parts on lower bolster;
Fig. 5 is profile of tooth moulding of the present invention and the right TV structure schematic diagram of bending die under matched moulds state;
Fig. 6 is that profile of tooth moulding of the present invention and the main TV structure of bending die under die opening state are arranged schematic diagram;
Fig. 7 is the left TV structure schematic diagram of the profile of tooth forming module of profile of tooth moulding of the present invention and bending die;
Fig. 8 be in Fig. 4 low mold frame 16 overlook structure for amplifying schematic diagram;
Fig. 9 is the structure for amplifying schematic diagram of the profile of tooth die plate insert 22 in Fig. 3;
Figure 10 is the structure for amplifying schematic diagram of work clamp 20 in Fig. 3;
Figure 11 is the take-up housing 31 of bent into shape module in profile of tooth moulding of the present invention and bending die and the mounting structure schematic diagram of take-up housing pressing plate 42.
Detailed description of the invention
A forming and machining method for pipe fittings of automobile seat headrest, it comprises following procedure of processing:
(1) first, adopt CNC tube bending machine by the headrest M shape support bending and forming of pipe fitting;
(2) then by the headrest M shape support Integral bending of pipe fitting to its horizontal connection tube portion from the horizontal by 20 ° of angle positions;
(3) by profile of tooth moulding and bending die, pipe fitting is carried out again the processing and forming of two profiles of tooth;
(4) finally headrest M shape support unit entirety is bent until the horizontal connection tube portion level of pipe fitting puts in place by profile of tooth moulding and bending die by described.
See Fig. 3～Figure 11, special profile of tooth moulding and the bending die of a kind of pipe fittings of automobile seat headrest of the present invention, it comprises cope match-plate pattern 3 and lower bolster 29, cope match-plate pattern 3 tops are provided with patrix parallels 1, cope match-plate pattern 3 bottoms are provided with patrix limiting iron 21, on lower bolster 29, just the position of patrix limiting iron 21 is provided with to counterdie limiting iron 25, cope match-plate pattern 3 and lower bolster 29 are by independent pilot parts 2 and independent guide pin bushing 43 matched moulds that leads, mould of the present invention also comprises profile of tooth forming module and bent into shape module, profile of tooth forming module, bent into shape module is respectively arranged with the upper die component being installed under cope match-plate pattern 3 and is installed on the lower membrane module on lower bolster 29.
The upper die component of profile of tooth forming module comprises cutter bar fixing plate 17, push broach knife bar 18, push broach cushion block 19, profile of tooth push broach 24, crowded teeth punch 28, cutter bar fixing plate 17 is installed on cope match-plate pattern 3 bottoms, cutter bar fixing plate 17 has knife bar die cavity, push broach knife bar 18 upper ends are flush-mounted in the knife bar die cavity of cutter bar fixing plate 17 and cope match-plate pattern 3 is fixed in its upper end, and push broach cushion block 19, profile of tooth push broach 24, crowded teeth punch 28 are installed on successively in the vertical draw-in groove of push broach knife bar 18 from top to bottom and fix by bolt and push broach knife bar 18 respectively;
The lower membrane module of profile of tooth forming module comprises molding concave die assembly and positioning compression device;
Die assembly comprises low mold frame 16, low mold frame backing plate 15, lower mould holder 27 and profile of tooth die plate insert 22, lower mould holder 27 is provided with two, low mold frame backing plate 15 transverse ends are by two built on stilts being installed on lower bolster 29 of lower mould holder 27, low mold frame 16 be installed on low mold frame backing plate 15 and with low mold frame backing plate 15, two lower mould holders 27 are bolted, low mold frame 27 upper surfaces, profile of tooth die plate insert 22 has workpiece location type groove 44, 45, low mold frame 16 has profile of tooth die plate insert die cavity 46 and push broach structure stroke cavity 47, profile of tooth die plate insert 22 is flush-mounted in profile of tooth die plate insert die cavity 46 and with low mold frame backing plate 15 and fixes, profile of tooth die plate insert die cavity 46 and push broach structure stroke cavity 47 UNICOMs, workpiece location type groove 45 degree of depth of profile of tooth die plate insert 22 are greater than the radius of workpiece external diameter,
Positioning compression device comprises that 23,90 ° of corner oil cylinders 23 of 30 and 90 ° of corner oil cylinders of workpiece end face position block are provided with two; Workpiece end face position block 30 is installed on low mold frame 16 and is positioned at longitudinal rear side end of the workpiece location type groove 44 of low mold frame; Two 90 ° of corner oil cylinders 23 are installed on lower bolster 29 by corner oil cylinder cushion block 26 respectively and are positioned at the both lateral sides of die assembly; On the output shaft of two 90 ° of corner oil cylinders 23, be separately installed with work clamp 20,14, wherein have keeper 48 for work clamp 20 bottom surfaces of workpiece pressing profile of tooth one side vertical support bar to be processed, profile of tooth die plate insert 22 is provided with protruding block 49 upwards, and when Work-sheet pressing, protruding block 49 is chimeric with keeper 48;
The upper die component of bent into shape module comprises bent into shape upper mounted plate 4, bent into shape holding pad 7, nitrogen spring 5 and tiltedly carve 36, bent into shape upper mounted plate 4 is installed on cope match-plate pattern 3 times, nitrogen spring 5 upper ends are installed in bent into shape upper mounted plate 4 and fix with cope match-plate pattern 3 bottom surfaces, lower end connects bent into shape holding pad 7, little guide pillar 12 is installed on bent into shape holding pad 7, little guide pin bushing 13 is installed in bent into shape upper mounted plate 4, little guide pillar 12 is set in little guide pin bushing 13, on bent into shape holding pad 7, be also provided with stop collar 40, stop collar 40 lower ends are set on the pin 50 of bent into shape holding pad 7, upper end is through bent into shape upper mounted plate 4 and cope match-plate pattern 3, stop screw 51 is installed in stop collar 40,
The lower membrane module of bent into shape module comprises workpiece locating and supporting device and workpiece press-bending slide block propulsion plant;
Workpiece locating and supporting device comprises by counterdie cushion block 11 and is installed on the bent into shape counterdie 8 on lower bolster 29, bent into shape counterdie 8 upper surfaces have the type groove 52 of positioning workpieces, longitudinal front side end of type groove 52 is provided with end face location-plate 39, longitudinal trailing flank of bent into shape counterdie 8 is provided with the arc profile 53 bending for workpiece, between bent into shape counterdie 8 and counterdie cushion block 11, be connected and fixed by key 38 respectively between counterdie cushion block 11 and 29 lower bolsters;
Workpiece press-bending slide block propulsion plant comprises slide block 41, take-up housing 31, take-up housing 31 is fixed on lower bolster 29, and be positioned at longitudinal rear side of workpiece locating and supporting device, the transverse ends of take-up housing 31, be provided with longitudinally elongated positive stop lug boss 54, take-up housing pressure strip 42 is installed on positive stop lug boss 54, take-up housing 31 bottom surfaces, both sides positive stop lug boss 54 and take-up housing pressure strip 42 are combined to form a spill chute 55, slide block 41 is installed in spill chute 55, and can be in spill chute horizontal sliding longitudinally, longitudinal leading flank of slide block 41 is provided with slide block compact heap 37, longitudinal trailing flank of slide block 41 is provided with inclined-plane, longitudinal rear side of take-up housing 31 is provided with and tiltedly carves backer 34, tiltedly carve longitudinal rear side of backer 34, transverse ends is separately installed with backer's diagonal brace 32, longitudinal leading flank of tiltedly carving backer 34 is also provided with backer's brake pad 35, in matched moulds process backer's brake pad 35 with tiltedly carve 35 longitudinal trailing flank CONTACT WITH FRICTION and coordinate, slide block 41 is also longitudinally connected by rod assembly 33 with tiltedly carving between backer 34.
In Fig. 3,6 is independent guide sleeve cushion block, and it is for fixing independent guide pin bushing 43, and independent guide sleeve cushion block 6 is installed on cope match-plate pattern 3 times; Independent guide pin bushing 43 lower end peripheries are set with dirt-proof boot 9, and dust-proof wool felt 10 is installed in dirt-proof boot 9; 56 is garbage collection box; In Fig. 4,57 is slide block dust guard. Profile of tooth moulding of the present invention and bending die, it can be for identical with tooth-shape structure, the two profile of tooth spacing of the pipe fittings of automobile seat headrest of the present invention processing, but the flute profile processing of driving other different pipe fitting of grade spacing dimension between two ends vertical support pole length difference or two ends vertical support bar, it need offer the workpiece location type groove the relative set workpiece end face position block 30 that match with pipe fitting to be processed in low mold frame 16.
Claims (10)
1. a forming and machining method for pipe fittings of automobile seat headrest, is characterized in that: it comprises following procedure of processing:
(1) first, adopt CNC tube bending machine by the headrest M shape support bending and forming of pipe fitting;
(2) then by the headrest M shape support Integral bending of pipe fitting to its horizontal connection tube portion from the horizontal by 20 ° of angle positions;
(3) by profile of tooth moulding and bending die, pipe fitting is carried out again the processing and forming of two profiles of tooth;
(4) finally headrest M shape support unit entirety is bent until the horizontal connection tube portion level of pipe fitting puts in place by profile of tooth moulding and bending die by described.
2. the forming and machining method of a kind of pipe fittings of automobile seat headrest claimed in claim 1, described profile of tooth moulding and bending die, it comprises cope match-plate pattern and lower bolster, described cope match-plate pattern top is provided with patrix parallels, described cope match-plate pattern bottom is provided with patrix limiting iron, on described lower bolster, just the position of described patrix limiting iron is provided with to counterdie limiting iron, described cope match-plate pattern and lower bolster are by independent pilot parts guiding matched moulds, it is characterized in that: it also comprises profile of tooth forming module and bent into shape module, described profile of tooth forming module, bent into shape module is respectively arranged with the upper die component being installed under cope match-plate pattern and is installed on the lower membrane module on lower bolster.
3. the forming and machining method of a kind of pipe fittings of automobile seat headrest according to claim 2, described profile of tooth moulding and bending die, it is characterized in that: the upper die component of described profile of tooth forming module comprises cutter bar fixing plate, push broach knife bar, push broach cushion block, profile of tooth push broach, crowded teeth punch, described cutter bar fixing plate is installed on described cope match-plate pattern bottom, described cutter bar fixing plate has knife bar die cavity, described push broach knife bar upper end is flush-mounted in the knife bar die cavity of described cutter bar fixing plate, and described cope match-plate pattern is fixed in its upper end, described push broach cushion block, profile of tooth push broach, crowded teeth punch is installed on successively in the vertical draw-in groove of described push broach knife bar from top to bottom and fixes by bolt and described push broach knife bar respectively.
4. the forming and machining method of a kind of pipe fittings of automobile seat headrest according to claim 3, described profile of tooth moulding and bending die, is characterized in that: the lower membrane module of described profile of tooth forming module comprises molding concave die assembly and positioning compression device.
5. the forming and machining method of a kind of pipe fittings of automobile seat headrest according to claim 4, described profile of tooth moulding and bending die, it is characterized in that: described molding concave die assembly comprises low mold frame, low mold frame backing plate, lower mould holder and profile of tooth die plate insert, described lower mould holder is provided with two, described low mold frame backing plate transverse ends is installed on described lower bolster by described two lower mould holders are built on stilts, described low mold frame be installed on described low mold frame backing plate and with described low mold frame backing plate, two lower mould holders are bolted, described low mold frame upper surface, profile of tooth die plate insert all has workpiece location type groove, described low mold frame has profile of tooth die plate insert die cavity and push broach structure stroke cavity, described profile of tooth die plate insert is flush-mounted in described profile of tooth die plate insert die cavity and fixes with described low mold frame backing plate, described profile of tooth die plate insert die cavity and push broach structure stroke cavity UNICOM, the workpiece location type groove depth of described profile of tooth die plate insert is greater than the radius of workpiece external diameter.
6. the forming and machining method of a kind of pipe fittings of automobile seat headrest according to claim 5, described profile of tooth moulding and bending die, it is characterized in that: described positioning compression device comprises workpiece end face position block and 90 ° of corner oil cylinders, described 90 ° of corner oil cylinders are provided with two; Described workpiece end face position block is installed on described low mold frame and is positioned at longitudinal rear side end of the workpiece location type groove of described low mold frame; Described two 90 ° of corner oil cylinders are installed on described lower bolster by corner oil cylinder cushion block respectively and are positioned at the both lateral sides of described die assembly; On the output shaft of described two 90 ° of corner oil cylinders, be separately installed with work clamp, wherein have keeper for the described work clamp bottom surface of workpiece pressing profile of tooth one side vertical support bar to be processed, described profile of tooth die plate insert is provided with protruding block upwards, workpiece press time described in protruding block and described keeper chimeric.
7. the forming and machining method of a kind of pipe fittings of automobile seat headrest according to claim 2, described profile of tooth moulding and bending die, it is characterized in that: the upper die component of described bent into shape module comprises bent into shape upper mounted plate, bent into shape holding pad, nitrogen spring and tiltedly carving, described bent into shape upper mounted plate is installed under described cope match-plate pattern, described nitrogen spring upper end is installed in described bent into shape upper mounted plate and fixes with described cope match-plate pattern bottom surface, lower end connects described bent into shape holding pad, on described bent into shape holding pad, little guide pillar is installed, in described bent into shape upper mounted plate, little guide pin bushing is installed, described little guide column sleeve is loaded in described little guide pin bushing, on described bent into shape holding pad, be also provided with stop collar, described stop collar lower end is set on the pin of bent into shape holding pad, upper end is through described bent into shape upper mounted plate and cope match-plate pattern, in described stop collar, stop screw is installed.
8. the forming and machining method of a kind of pipe fittings of automobile seat headrest according to claim 7, described profile of tooth moulding and bending die, is characterized in that: the lower membrane module of described bent into shape module comprises workpiece locating and supporting device and workpiece press-bending slide block propulsion plant.
9. the forming and machining method of a kind of pipe fittings of automobile seat headrest according to claim 8, described profile of tooth moulding and bending die, it is characterized in that: described workpiece locating and supporting device comprises by counterdie cushion block and is installed on the bent into shape counterdie on described lower bolster, described bent into shape counterdie upper surface has the type groove of positioning workpieces, longitudinal front side end of described type groove is provided with end face location-plate, longitudinal trailing flank of described bent into shape counterdie is provided with the arc profile bending for workpiece, between described bent into shape counterdie and described counterdie cushion block, between described counterdie cushion block and described lower bolster, be connected and fixed by key respectively.
10. the forming and machining method of a kind of pipe fittings of automobile seat headrest according to claim 9, described profile of tooth moulding and bending die, it is characterized in that: described workpiece press-bending slide block propulsion plant comprises slide block, take-up housing, described take-up housing is fixed on described lower bolster, and be positioned at longitudinal rear side of described workpiece locating and supporting device, the transverse ends of described take-up housing, be provided with longitudinally elongated positive stop lug boss, take-up housing pressure strip is installed on described positive stop lug boss, described take-up housing bottom surface, both sides positive stop lug boss and take-up housing pressure strip are combined to form a spill chute, described slide block is installed in described spill chute, and can be in described spill chute horizontal sliding longitudinally, longitudinal leading flank of described slide block is provided with slide block compact heap, longitudinal trailing flank of described slide block is provided with inclined-plane, longitudinal rear side of described take-up housing is provided with tiltedly carves backer, described longitudinal rear side of tiltedly carving backer, transverse ends is separately installed with backer's diagonal brace, described longitudinal leading flank of tiltedly carving backer is also provided with backer's brake pad, tiltedly carve longitudinal trailing flank CONTACT WITH FRICTION and coordinate with described at backer's brake pad described in matched moulds process, described slide block with tiltedly carve between backer and be also longitudinally connected by rod assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310584121.0A CN103878537B (en) | 2013-11-20 | 2013-11-20 | A kind of forming and machining method of pipe fittings of automobile seat headrest and special forming mould tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310584121.0A CN103878537B (en) | 2013-11-20 | 2013-11-20 | A kind of forming and machining method of pipe fittings of automobile seat headrest and special forming mould tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103878537A CN103878537A (en) | 2014-06-25 |
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| CN201310584121.0A Active CN103878537B (en) | 2013-11-20 | 2013-11-20 | A kind of forming and machining method of pipe fittings of automobile seat headrest and special forming mould tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550473B (en) * | 2014-12-31 | 2017-11-28 | 无锡曙光模具有限公司 | The tooth form mould of automobile seat headrest pipe |
| CN107597911B (en) * | 2017-09-23 | 2023-10-20 | 汕头市瑞祥模具有限公司 | Seat headrest pull rod production facility |
| CN108435917B (en) * | 2018-04-24 | 2019-04-23 | 广州市贤信机械制造有限公司 | A kind of card slot molding Tooth punching mold of headrest tube fitting |
| CN109500247A (en) * | 2018-12-04 | 2019-03-22 | 安徽苏立科技股份有限公司 | A kind of curved position extrusion molding dies of heat-generating pipe multiple tracks |
| CN112077534B (en) * | 2020-08-24 | 2022-04-22 | 张家港市固牌铝业有限公司 | Production process of hand push rod |
| CN112238350B (en) * | 2020-10-10 | 2021-04-27 | 源创(广州)智能科技有限公司 | Full-automatic headrest tube production line and headrest tube production method |
| CN114789282A (en) * | 2022-06-07 | 2022-07-26 | 张家港乔昇精密机械制造有限公司 | Pipe section forming gear hobbing machine and gear hobbing method |
| CN118023596A (en) * | 2024-04-11 | 2024-05-14 | 山东舒兹智能装备有限公司 | Pendulum shear equipment with zigzag cutter |
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| US6454356B1 (en) * | 1998-08-25 | 2002-09-24 | Nihon Technica Co., Ltd. | Head rest support |
| CN1608546A (en) * | 2003-10-17 | 2005-04-27 | 德鱼塔工业股份有限公司 | Locking structure of grooved headrest, forming method of locking groove, and manufacturing method of headrest rod |
| CN201482831U (en) * | 2009-07-13 | 2010-05-26 | 浙江俱进汽摩配件有限公司 | Automobile seat headrest bending machine |
| CN201702543U (en) * | 2010-06-07 | 2011-01-12 | 吕德苓 | Rolling tool of headrest rod open slot |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003009992A (en) * | 2001-06-29 | 2003-01-14 | Delta Kogyo Co Ltd | Lock structure of headrest |
| JP2004344970A (en) * | 2003-05-20 | 2004-12-09 | Bizen Hatsujo Kk | Cylindrical supporting bar used for head rest or the like, punch for manufacturing the cylindrical supporting bar, and method for manufacturing the cylindrical supporting bar |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6454356B1 (en) * | 1998-08-25 | 2002-09-24 | Nihon Technica Co., Ltd. | Head rest support |
| CN1608546A (en) * | 2003-10-17 | 2005-04-27 | 德鱼塔工业股份有限公司 | Locking structure of grooved headrest, forming method of locking groove, and manufacturing method of headrest rod |
| CN201482831U (en) * | 2009-07-13 | 2010-05-26 | 浙江俱进汽摩配件有限公司 | Automobile seat headrest bending machine |
| CN201702543U (en) * | 2010-06-07 | 2011-01-12 | 吕德苓 | Rolling tool of headrest rod open slot |
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