CN100364704C

CN100364704C - Automatic steel tube feeding unit

Info

Publication number: CN100364704C
Application number: CNB2006100494149A
Authority: CN
Inventors: 邬龙达; 乌义达
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-09
Filing date: 2006-02-09
Publication date: 2008-01-30
Anticipated expiration: 2026-02-09
Also published as: CN1806981A

Abstract

The present invention belongs to a cold processing device, specifically to an automatic steel tube blanking device which utilizes die cutting. The automatic steel tube blanking device is composed of a moving die, a punching head, a static die, a feeding component, a driving component and a working table, wherein the static die is fixed on the working table, the moving die is positioned on a guide rail of the working table, the punching head is arranged above the moving die, and the feeding component is positioned at one end of the working table. A driving assembly of the driving component is connected with the end part of a crank shaft of a power source pressing machine, and an output shaft of the driving shaft is connected with the feeding component. The static die is composed of a static die body, a static cutting die and a floating core die, the moving die is composed of a moving die body, a moving die assembly, an ejecting die assembly, a moving die unloading assembly and a roller support frame, and the moving die assembly is composed of a sliding die holder, a moving die sliding block, a moving cutting die, a moving core die, a moving wedge block, a static wedge block, an elastic body A and an elastic body B. The automatic steel tube blanking device has the advantages of no deformation and high flatness of cut surfaces of the die cut products; production efficiency is greatly enhanced, and no waste is generated during the die cutting process. The automatic steel tube blanking device is suitable for the production of various steel tube products with the wall thickness of 2 to 15mm.

Description

A kind of automatic steel tube feeding unit

Technical field

The invention belongs to cold worked device, specifically is to utilize die-cut a kind of automatic steel tube feeding unit.

Background technology

The product that the cut-out of home and abroad utilization at present steel pipe is made blank gets more and more, and its cutting-off method is also a lot, as gas cutting, emery wheel cutting, the cutting of metal blade spinning, saw blade cutting, lathe tool cutting etc.But since as the products such as inside and outside circle of rolling bearing to the having relatively high expectations of blank, the steel pipe blank after the cutting not only requires indeformable, also requires the irregularity degree of its truncation surface should be less than accurately machined surplus subsequently, so still cut with lathe tool at present simultaneously.The inside and outside circle of rolling bearing belongs to a large amount of production, therefore, has inefficiency, produces shortcomings such as waste material is many.Notification number CN2678811Y, title " metal steel pipe blanking units ", because steel pipe is from top to bottom by one-step punching between upper and lower blade, in die-cut process its truncation surface some broken, do not reach the above-mentioned requirement high to the section irregularity degree.

Summary of the invention

There is high material consumption in the present invention for solving above-mentioned processing method, and the cross section irregularity degree of processing can exceed allowance for finish, becomes waste product, and wasting defective now provides a kind of automatic steel tube feeding unit.It is made up of dynamic model, drift, quiet mould, feeding part, drive disk assembly, workbench.Quiet mould is fixed on the workbench, and dynamic model is positioned on the platform guide rail of workbench, can move along the platform guide rail, and the top of dynamic model is a drift, and feeding part is positioned at an end of workbench, but the feeding of intermittence.Drive disk assembly is to be made of output shaft, transmission component, cam, eccentric wheel, connecting rod, ratchet assembly.Transmission component is connected with the end of power source press crankshaft, is connected with output shaft again.The output shaft of drive disk assembly is connected with eccentric wheel, cam, connecting rod one end is connected with eccentric wheel on the output shaft, the other end of connecting rod is connected with ratchet assembly, ratchet assembly is connected with feeding part again, it is characterized in that described quiet mould be by quiet die body, quietly cut mould, the core that floats, fairlead, projection, guide pillar constitute, quiet die body is fixed on the base plate of workbench, an end is equipped with the quiet mould of cutting in the slotted hole in the quiet die body, the other end is a fairlead, float core in the quiet circular hole of cutting mould and fairlead, projection is fixed on quiet die body two sides, in be fixed with guide pillar.Described unsteady core has axial groove.Dynamic model is by dynamic model body, movable mold assembly, ejects membrane module, dynamic model die sinking assembly, rolling wheel support and constitute, and described rolling wheel support is fixed in the side of dynamic model body, and roller is arranged on the rolling wheel support, and roller is close on the cam curved surface.The movable mold assembly is arranged in the dynamic model body, eject membrane module and be positioned at the dynamic model body and be connected with the movable mold assembly again, dynamic model die sinking assembly is positioned on the dynamic model body, and the other end is contained on the quiet die body.The movable mold assembly is made of slip die holder, dynamic model slide block, the moving mould, nut, moving core, moving voussoir, quiet voussoir, elastomer A, elastomer B cut; the slip die holder links to each other with guide rail on the dynamic model body; and can on guide rail, make horizontal direction and slide; the dynamic model slide block is housed in the slip die holder, moving mould, usefulness nut and the fastening moving core of dynamic model slide block cut is housed in the dynamic model slide block.Between dynamic model body and slip die holder, be provided with moving voussoir, quiet voussoir, elastomer A, elastomer B.Moving voussoir is in the side of dynamic model slide block, and elastomer A places between dynamic model slide block and the slip die holder, and elastomer B places between slip die holder and the dynamic model body, and the bottom of moving voussoir is quiet voussoir, and the two is the inclined-plane contact.The guide pillar other end of quiet die body stretches in the dynamic model body, and becomes to be slidingly matched.Described elastomer A is spring A, and described elastomer B is a spring B.

The described membrane module that ejects is to be made of push rod, tip-lever support, spring C, top cover, slide bar, and push rod one end passes moving core, and the other end is fixed on the tip-lever support, and spring C is contained on the end slide bar of moving core, and the slide bar other end is in the cover of top; The spring C other end can contact with the end face of tip-lever support, and tip-lever support is fastenedly connected with the top cover, on the perpendicular frame of workbench boss is arranged, and an end of top cover can contact with raised head face.Described push rod is 4.Described boss is a bolt, and bolt is to be threaded with perpendicular frame.

Described dynamic model die sinking assembly is to be made of 4 guide rods, 4 cylindrical springs, and an end of guide rod is fixed on the dynamic model body, after the other end puts cylindrical spring, by being fixed on the guide hole of quiet die body upper spring limiting plate, and becomes to be slidingly matched.

Described transmission component is to be made of sprocket wheel A, chain, sprocket wheel B, bearing block.Sprocket wheel A is contained on the output shaft of drive disk assembly, and sprocket wheel B is fixed on the end of press crankshaft, and output shaft is fixed on the workbench by bearing block, and chain is connected sprocket wheel A with sprocket wheel B.

Described feeding part is the roller pay-off, is made of last drawing-inroller, a pair of roller gear, following drawing-inroller, bearing block A, bearing block B, spring D.On the described workbench mounting is arranged, bearing block A is on bearing block B, and bearing block B is contained on the mounting, and spring D is arranged on the mounting, drawing-inroller and following drawing-inroller on having respectively on bearing block A, the bearing block B, and the two is connected by a pair of roller gear.

The present invention compared with prior art has indeformable, the truncation surface flatness advantages of higher of the die-cut steel pipe goods that obtain, and also has production efficiency to increase substantially, no waste material generation in the die-cut process, and it is about 10～15% to save material, and therefore, good economic benefits is arranged.The present invention is applicable to that wall thickness is the production of the various steel pipe goods of 2～15mm.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the structural representation of Fig. 1 when overlooking.

Fig. 3 is that the present invention is in put in place the A-A sectional structure schematic diagram of state of mould closure, feeding.

Fig. 4 is the B-B cutaway view.

Fig. 5 is the structural representation that the present invention is in die-cut state.

Fig. 6 is the C-C cutaway view.

Fig. 7 is that the present invention is in the structural representation that mould is opened, goods eject.

The symbol of figure and explanation thereof: the 1st, drive disk assembly, the 2nd, dynamic model, the 3rd, drift; the 4th, quiet mould, the 5th, feeding part, the 6th, workbench; the 7th, steel pipe, the 8th, workpiece, the 11st, connecting rod; the 12nd, transmission component, the 13rd, cam, the 14th, eccentric wheel; the 15th, output shaft, the 21st, dynamic model body, the 22nd, movable mold assembly; the 23rd, eject membrane module, the 24th, dynamic model die sinking assembly, the 25th, location-plate; the 26th, rolling wheel support, the 27th, dynamic model center, the 41st, fairlead; 42 quiet die bodys, the 43rd, the core that floats, the 44th, the quiet mould of cutting; the 45th, projection, the 46th, guide pillar, the 51st, roller gear; the 52nd, last drawing-inroller, the 53rd, spring D, the 54th, bearing block A; the 55th, ratchet assembly, the 56th, following drawing-inroller, the 57th, bearing block B; the 61st, base plate, the 62nd, bolt, the 63rd, spring limiting board; the 64th, mounting, the 65th, perpendicular frame, the 121st, chain; the 122nd, sprocket wheel A, the 123rd, bent axle, the 124th, sprocket wheel B; the 125th, bearing block, the 211st, guide rail, the 221st, dynamic model slide block; the 222nd, the slip die holder, the 223rd, move and cut mould, the 224th, nut; the 225th, moving core; the 226th, moving voussoir, the 227th, quiet voussoir, the 228th, spring A; the 229th, spring B; the 231st, push rod, the 232nd, tip-lever support, the 233rd, spring C; the 234th, the top cover; the 235th, slide bar, the 241st, guide rod, the 242nd, cylindrical spring; the 261st, roller; the 431st, axial groove, the 611st, platform guide rail, the 631st, guide hole.

The specific embodiment

Set forth one embodiment of the present of invention below in conjunction with accompanying drawing.It is made up of drive disk assembly 1, dynamic model 2, drift 3, quiet mould 4, feeding part 5, workbench 6, and dynamic model 2 is positioned on the workbench 6, and quiet mould 4 is installed on the workbench 6.Being drift 3 above dynamic model 2, is drive disk assemblies 1 in workbench 6 one sides, and opposite side is a feeding part 5, and drive disk assembly 1 can drive dynamic model 2 actions, and drive disk assembly 1 can drive feeding part 5 actions again, drives drift 3 actions by press crankshaft 123 driving blocks.Workbench 6 is to be made of base plate 61, mounting 64, perpendicular frame 65, and base plate 61 1 sides are perpendicular framves 65, and the other end has two mountings 64, and platform guide rail 611 is arranged on the base plate 61.

Quiet mould 4 is to be made of fairlead 41, quiet die body 42, the core 43 that floats, the quiet mould 44, projection 45, guide pillar 46 cut.Quiet die body 42 is fixed on the base plate 61 of workbench 6, an end is equipped with the quiet mould 44 of cutting in the slotted hole in the quiet die body 42, the other end is a fairlead 41, float core 43 in the quiet circular hole of cutting mould 44 and fairlead 41, the steel pipe 7 of processing can stretch in the quiet circular hole of cutting mould 44 and fairlead 41, be the core 43 that floats in the endoporus of steel pipe 7, the core 43 that floats is cylinders, the diameter of bore coupling of its external diameter and steel pipe 7; Projection 45 is fixed on quiet die body 42 2 sides, in be fixed with guide pillar 46; Described unsteady core 43 has axial groove 431.

Dynamic model 2 is by dynamic model body 21; movable mold assembly 22; eject membrane module 23; dynamic model die sinking assembly 24; rolling wheel support 26 constitutes; rolling wheel support 26 is fixed on the side of dynamic model body 21; movable mold assembly 22 is by dynamic model slide block 221; slip die holder 222; the moving mould 223 of cutting; nut 224; moving core 225; moving voussoir 226; quiet voussoir 227; spring A 228; spring B 229; location-plate 25 constitutes; dynamic model body 21 is contained on the base plate 61; slip die holder 222 links to each other with guide rail 211 on the dynamic model body 21; and can on guide rail 211, make horizontal direction and slide; dynamic model slide block 221 is housed in slip die holder 222; and can make vertical direction and slide, the moving moving core 225 of cutting mould 223 and being fastened on dynamic model slide block 221 with nut 224 is housed in the dynamic model slide block 221.Between dynamic model body 21 and slip die holder 222, be provided with moving voussoir 226, quiet voussoir 227, spring A 228, spring B 229.Moving voussoir 226 is in the side of dynamic model slide block 221; and 222 of slip die holders can move in vertical direction; the last plane of its upper surface and dynamic model slide block 221 is not in same horizontal plane when not being subjected to drift 3 pressurizations; spring A 228 places between dynamic model slide block 221 and the slip die holder 222; spring B 229 places between slip die holder 222 and the dynamic model body 21; the bottom of moving voussoir 226 is quiet voussoirs 227, and the two is the inclined-plane contact.Guide pillar 46 another auspicious stretching in the dynamic model body 21 of quiet die body 42 2 sides, and become to be slidingly matched.

After dynamic model 2 and quiet mould 4 closures; drift 3 on the press ram that bent axle 123 connects is exerted pressure down; dynamic model slide block 221 is done motion vertically downward, and moving simultaneously voussoir 226 also pressurized promotes quiet voussoir 227, slip die holder 222, dynamic model slide block 221 and makes horizontal motion, to finish die-cut motion.When this die-cut motion, moving cut mould 223, moving core 225 relatively with quiet mould 4 in quietly cut mould 44, the core 43 that floats all plays die-cut effect to the inside and outside wall of steel pipe 7 simultaneously, the workpiece 8 that scales off like this is indeformable, truncation surface flatness height, no waste material.Begin to finish from die-cut steel pipe 7 to stroke; dynamic model center 27 will be shifted; the die-cut stroke of this section reality should be slightly larger than 2 times of steel pipe 7 wall thickness; when drift 3 backhauls on the press ram that bent axle 123 connects; rely on the compressed vertical and spring A 228 of horizontal support on slip die holder 222, the bounce of spring B 229 when die-cut; positioning action through location-plate 25 sets back dynamic model slide block 221, and dynamic model center 27 resets.

Ejecting membrane module 23 is to be made of push rod 231, tip-lever support 232, spring C 233, top cover 234, slide bar 235, push rod 231 1 ends pass moving core 225, the other end is fixed on the tip-lever support 232, spring C 233 is contained on the end slide bar 235 of moving core 225, another is auspicious in top cover 234 for slide bar 235, spring C 233 can contact with the end face of nut 224, and spring C 233 other ends can contact with the end face of tip-lever support 232, and tip-lever support 232 is fastenedly connected with top cover 234.When dynamic model 2 and quiet mould 4 closures, top cover 234 leaves the bolt 62 that is contained on the perpendicular frame 65, when dynamic model 2 and quiet mould 4 are opened, and bolt 62 end faces bump top cover 234, and, also promote push rod 231 and eject the die-cut workpiece 8 that moves on the core 225 that gets off to be enclosed within by tip-lever support 232 compression spring C 233.Push rod 231 of the present invention has 4, also can be 3.

Dynamic model die sinking assembly 24 is to be made of 241,4 cylindrical springs 242 of 4 guide rods, guide rod 241 1 ends are fixed on a side of dynamic model body 21, be with a cylindrical spring 242 on the every guide rod 241, the other end of guide rod 241 is by being fixed on the guide hole 631 of quiet die body 42 upper spring limiting plates 63, and becomes to be slidingly matched.When dynamic model 2 and quiet mould 4 were closed, power was held in cylindrical spring 242 compressions, when dynamic model 2 when being closed into die sinking, cylindrical spring 242 is emitted the power of holding, and dynamic model 2 is pushed open, dynamic model 2 can move on the platform guide rail 611 that is fixed on base plate 61 2 limits.Rolling wheel support 26 is fixed in the side of dynamic model body 21, and roller 261 is arranged on the rolling wheel support 26, and roller 261 is close on cam 13 curved surfaces of drive disk assembly 1.

Drive disk assembly 1 is to be made of connecting rod 11, transmission component 12, cam 13, eccentric wheel 14, output shaft 15.Cam 13, eccentric wheel 14 are arranged on the output shaft 15, and an end of connecting rod 11 is on eccentric wheel 14, and connecting rod 11 other ends are connected with the ratchet assembly 55 of feeding part 5.Transmission component 12 of the present invention is to be made of chain 121, sprocket wheel A122, sprocket wheel B124, bearing block 125, and sprocket wheel A122 is contained on the output shaft 15, and sprocket wheel B124 is fixed on the end of press crankshaft 123, by chain 121 sprocket wheel A122 is connected with sprocket wheel B124.Fix two cams 13 on the output shaft 15, output shaft 15 is fixed on the workbench 6 by bearing block 125.Cam 13 with it contour curve face pushing or unclamp roller 261 on the rolling wheel support 26 that is fixed on the dynamic model 2, make dynamic model 2 and quiet mould 4 carry out closure like this or open.

Feeding part 5 is a kind of roller pay-offs, is made of roller gear 51, last drawing-inroller 52, spring D53, bearing block A54, ratchet assembly 55, following drawing-inroller 56, bearing block B57.Bearing block A54 is arranged on the bearing block B57, be contained on the mounting 64, mounting 64 has spring D53 on the mounting 64 on workbench 6, and drawing-inroller 52 on having on the bearing block A 54 has following drawing-inroller 56 on the bearing block B57, and the two is connected by a pair of roller gear 51.By eccentric wheel 14 drivening rods 11 that are contained on the output shaft 15, make ratchet assembly 55 do the gap and rotate drive drawing-inroller 56 down, and 52 pairs of steel pipes of drawing-inroller 7 carry out the intermittence feeding in a pair of roller gear 51 transmissions of process, and the spring D 53 on the mounting 64 can increase the frictional force that drawing-inroller transmits steel pipe 7.

Claims

1. a kind of automatic steel tube feeding unit of forming by dynamic model (2), drift (3), quiet mould (4), feeding part (5), drive disk assembly (1), workbench (6), quiet mould (4) is fixed on the workbench (6), dynamic model (2) is positioned on the platform guide rail (611) of workbench (6), can move along platform guide rail (611), the top of dynamic model (2) is drift (3), feeding part (5) is positioned at an end of workbench (6), but the feeding of intermittence; Drive disk assembly (1) is to be made of output shaft (15), transmission component (12), cam (13), eccentric wheel (14), connecting rod (11), ratchet assembly (55); Transmission component (12) is connected with power source press crankshaft (123) end, be connected with output shaft (15) again, the output shaft (15) of drive disk assembly (1) and eccentric wheel (14), cam (13) connects, connecting rod (11) one ends are connected with eccentric wheel (14) on the output shaft (15), the other end of connecting rod (11) is connected with ratchet assembly (55), ratchet assembly (55) is connected with feeding part (5) again, it is characterized in that described quiet mould (4) is by quiet die body (42), the quiet mould (44) of cutting, core (43) floats, fairlead (41), projection (45), guide pillar (46) constitutes, quiet die body (42) is fixed on the base plate (61) of workbench (6), an end is equipped with the quiet mould (44) of cutting in the slotted hole in the quiet die body (42), the other end is fairlead (41), float core (43) in the quiet circular hole of cutting mould (44) and fairlead (41), projection (45) is fixed on quiet die body (42) two sides, in be fixed with guide pillar (46); Dynamic model (2) is by dynamic model body (21), movable mold assembly (22), ejects membrane module (23), dynamic model die sinking assembly (24), rolling wheel support (26) formation; Described rolling wheel support (26) is positioned at dynamic model body (21) one ends, and roller (261) is arranged on the rolling wheel support (26), and roller (261) is close on cam (13) curved surface; Movable mold assembly (22) is arranged in dynamic model body (21), eject membrane module (23) and be positioned at dynamic model body (21) and be connected with movable mold assembly (22) again, dynamic model die sinking assembly (24) is positioned on the dynamic model body (21), and the other end is contained on the quiet die body (42); Movable mold assembly (22) is by slip die holder (222), dynamic model slide block (221), moving mould (223), nut (224), moving core (225), moving voussoir (226), quiet voussoir (227), elastomer A, the elastomer B formation of cutting, slip die holder (222) links to each other with guide rail (211) on the dynamic model body (21), and can on guide rail (211), make horizontal direction and slide, dynamic model slide block (221) is housed in slip die holder (222), moving mould (223), the usefulness nut (224) and the fastening moving core (225) of dynamic model slide block (221) cut is housed in the dynamic model slide block (221); Between dynamic model body (21) and slip die holder (222), be provided with moving voussoir (226), quiet voussoir (227), elastomer A, elastomer B; Moving voussoir (226) is in the side of dynamic model slide block (221), elastomer A places between dynamic model slide block (221) and the slip die holder (222), elastomer B places between slip die holder (222) and the dynamic model body (21), and the bottom of moving voussoir (226) is quiet voussoir (227), and the two is the inclined-plane contact; Guide pillar (46) other end of quiet die body (42) stretches in the dynamic model body (21), and becomes to be slidingly matched; The described membrane module (23) that ejects is to be made of push rod (231), tip-lever support (232), spring C (233), top cover (234), slide bar (235), push rod (231) one ends pass moving core (225), the other end is fixed on the tip-lever support (232), spring C (233) is contained on the end slide bar (235) of moving core (225), and slide bar (235) other end is in top cover (234); Spring C (233) other end can contact with the end face of tip-lever support (232), and tip-lever support (232) is fastenedly connected with top cover (234), on the perpendicular frame (65) of workbench (6) boss is arranged, and an end of top cover (234) can contact with raised head face; Described dynamic model die sinking assembly (24) is to be made of 4 guide rods (241), 4 cylindrical springs (242), one end of guide rod (241) is fixed on the dynamic model body (21), after the other end puts cylindrical spring (242), by being fixed on the guide hole (631) of quiet die body (42) upper spring limiting plate (63), and become to be slidingly matched.

2. a kind of automatic steel tube feeding unit according to claim 1 is characterized in that described transmission component (12) is to be made of sprocket wheel A (122), chain (121), sprocket wheel B (124), bearing block (125); Sprocket wheel A (122) is contained on the output shaft (15) of drive disk assembly (1), sprocket wheel B (124) is fixed on the end of press crankshaft (123), output shaft (15) is fixed on the workbench (6) by bearing block (125), and chain (121) is connected sprocket wheel A (122) with sprocket wheel B (124).

3. a kind of automatic steel tube feeding unit according to claim 1 and 2, it is characterized in that described feeding part (5) is the roller pay-off, constitute by last drawing-inroller (52), a pair of roller gear (51), following drawing-inroller (56), bearing block A (54), bearing block B (57), spring D (53); Mounting (64) is arranged on the described workbench (6), bearing block A (54) is on bearing block B (57), bearing block B (57) is contained on the mounting (64), spring D (53) is arranged on the mounting (64), last drawing-inroller (52) and following drawing-inroller (56) are arranged respectively on bearing block A (54), bearing block B (57), and the two is connected by a pair of roller gear (51).

4. a kind of automatic steel tube feeding unit according to claim 1 is characterized in that described elastomer A is spring A (228), and described elastomer B is spring B (229).

5. a kind of automatic steel tube feeding unit according to claim 1 is characterized in that described push rod (231) is 4.

6. a kind of automatic steel tube feeding unit according to claim 1 is characterized in that described boss is bolt (62), and bolt (62) is to be threaded with perpendicular frame (65).

7. a kind of automatic steel tube feeding unit according to claim 1 is characterized in that described unsteady core (43) has axial groove (431).