CN209597960U - A kind of tail portion loading type spinning machine - Google Patents

Abstract

The utility model relates to a kind of tail portion loading type spinning machines, belong to tubular object extruding processing technology field.Tail portion loading type spinning machine include rack and be mounted on the rack and be driven for rotation equipment drive and can around rotation axis relatively rotate spinning head and material folding head, tail portion feeding device and disconnecting device；Spinning head includes spinning wheel, and material folding head includes material folding pawl；Material folding head is with the extending direction arrangement along rotation axis for material through hole；Tail portion feeding device is located at the caudal for material through hole, is used for from caudal by supplying blank to material folding pawl for material through hole；Disconnecting device is located at the front side for material through hole, and including being located at the cutting off tool by spinning wheel side, the molded part for going out rotary press modelling is cut from blank.Feeding and rotary press modelling can be carried out to long blank, and improve the degree of automation and save the cost, can be widely applied in the manufacturing fields such as refrigeration, automobile, aviation.

Description

A kind of tail portion loading type spinning machine

Technical field

The utility model relates to tubular object extruding equipment, specifically, being related to a kind of tail portion loading type spinning machine.

Background technique

A kind of spinning machine is disclosed in the patent document of Publication No. CN108856542A comprising for clamping to spinning The material folding head of workpiece and the spinning head rotated relative to material folding head around rotation axis；Its spinning head includes spinning wheel and use In the extruding driver for driving two spinning wheels to move back and forth along the direction of extrusion.During the work time, the pipe that spinning will be needed to handle Blank is clamped on material folding head, is relatively rotated by control material folding head and spinning head around rotation axis, meanwhile, control two A spinning wheel radially towards inner extruding, i.e., is moved along pipe along the direction of extrusion, to revolve to pipe of the clamping on material folding head Pressure processing.In the patent document, for by driving material folding head to drive blank to rotate, and spinning wheel is remained stationary.This Outside, some spinning machines are remain stationary in spinning process, spinning head with blank, and by driving spinning wheel to turn around rotation axis It is dynamic, such as spinning machine disclosed in the patent documents such as Publication No. CN108080480A.

Before carrying out feeding to spinning machine, usually long blank need to be cut into short sections according to length needed for spinning, then Feeding is carried out from the front of material folding head using feed mechanism disclosed in Publication No. CN108856542A, in spinning process In have the following problems, for the ease of the clamping in spinning process, the length of short sections is typically larger than the length of molded part, causes It is subsequent to carry out severing processing, not only increase process, and be easy to cause the waste of pipe raw material, especially size it is shorter at Type part.

Utility model content

The main purpose of the utility model is to provide a kind of tail portion loading type spinning machine, can carry out feeding to long blank And rotary press modelling, and improve machining accuracy, reduce the waste of blank and reduce processing cost；

The another object of the utility model, which is to provide, a kind of can be further improved the degree of automation and reduces processing cost Tail portion loading type spinning machine.

In order to achieve the above-mentioned main objectives, loading type spinning machine in tail portion provided by the utility model includes rack and is mounted on In rack and be driven for rotation equipment drive and can around rotation axis relatively rotate spinning head and material folding head, tail portion feeding Device and disconnecting device；Spinning head includes spinning wheel, and material folding head includes material folding pawl；Material folding head has along rotation axis Extending direction arrangement for material through hole；Tail portion feeding device is located at the caudal for material through hole, for logical by feed from caudal Hole supplies blank to material folding pawl；Disconnecting device is located at the front side for material through hole, including being located at the cutting off tool by spinning wheel side, Molded part for going out rotary press modelling is cut from blank.

By adding tail portion feeding device in the caudal of material folding head and cutting off tool being arranged in front side, and in material folding head It is upper be arranged between tail portion feeding device and cutting off tool for material through hole, grown using tail portion feeding device from rear side Pipe feeding, and after spinning completion, molded part is directly cut from blank using cutting off tool；Based on material folding pawl Clamped one time and can at least carry out spinning and molded part cut processing, while effectively improving machining accuracy, are reduced related Process and reduce manufacturing cost, and reduce the waste of pipe raw material.

It includes feeding bracket that specific scheme, which is tail portion feeding device, and the feeding being slidably mounted on feeding bracket pushes away Bar, and for driving feeding push rod to feed along extending direction, to carry out the feeding driving unit of feeding.Feeding is served as using rod piece Actuator can be effectively reduced to the size requirement for material through hole.

It includes the leading truck being slidably mounted on feeding bracket and be located at that more specific scheme, which is feeding driving unit, The material-pushing frame of leading truck caudal, straight-line displacement output device and spacing for driving material-pushing frame to move along extending direction are kept Mechanism；Spacing holding mechanism is used to force the spacing between leading truck and material-pushing frame to be more than or equal to default spacing, until leading truck Shift action close to material folding head is by backstop；The rear end of feeding push rod is fixed on material-pushing frame, and front end is movably supported On the support guide hole being set on leading truck.By setting leading truck, material-pushing frame and spacing holding mechanism, so as to feeding into During giving, is arranged in feeding leading portion stroke using the spacing between leading truck and material-pushing frame and be that charging ram is mentioned with blank For support, and spacing between the two is reduced in feeding back segment stroke so that feeding push rod can be enable preferably to enter for material through hole It is interior, can not only length needed for shortening feeding push rod as far as possible, and reduce the waste of blank.

It for forcing the spacing between leading truck and material-pushing frame is default spacing that more specific scheme, which is spacing holding mechanism, Until leading truck is to the shift action close to material folding head by backstop；Feeding push rod is located at the bar portion length of the front side of material-pushing frame Greater than default spacing.

Further embodiment is that spacing holding mechanism includes the pull rod being arranged between leading truck and material-pushing frame, is fixed on Back-up roller wheel of the bracket on the end of material folding head is expected, across the drag rope and hanging clump weight being around in back-up roller wheel； One end of drag rope is fixed on leading truck, and the other end is fixed on hanging clump weight；The front end of the pull rod is fixed on On the leading truck, or can relatively movably it pass through after the through-hole on the leading truck, then be fixedly connected with preceding stop part； The preceding stop part is moved back for the relatively described leading truck of pull rod described in backstop；The rear end of the pull rod can relatively movably be worn After crossing the through-hole on the material-pushing frame, then it is fixedly connected with rear stop part；Stop part is for pull rod described in backstop after described The relatively described material-pushing frame Forward；The bottom of feeding bracket is installed with the large diameter roller that diameter is greater than back-up roller wheel, large diameter roller position Deviate from the side of material folding head in back-up roller wheel, the other end of drag rope from the bottom side of large diameter roller enter and across being wound on major diameter After on idler wheel, then it is fixedly connected with hanging clump weight.Using between pull rod, drag rope, back-up roller wheel and hanging clump weight Cooperation and can realize the function of spacing holding mechanism well, and can be by adjusting position of the stop part on pull rod between default Away from being adjusted.

Preferred scheme is that the length of feeding push rod is greater than the length for material through hole；Feeding push rod on feeding bracket can Shift motion is more than or equal to twice of the length for material through hole；It the front end of feeding push rod can to pass through with the rear end of blank The sleeve structure of relative rotation connects.In feeding process, feeding push rod can not have to rotate with blank, and be convenient for feeding push rod Installation.

Another preferred scheme is for fixed by the caudal on the rear end in material through hole, for material through hole or for material through hole There is guide part, guide part is equipped with for the mobile pilot hole being oriented to of feeding to blank.In feeding leading portion stroke In, support guide is provided for blank using guide part, and support guide is provided for feeding push rod in the back segment stroke of feeding, To provide the rigidity of feeding structure.

Another preferred scheme is to be equipped with device for discharging in rack；Device for discharging includes being located at material folding head to deviate from tail The discharging of the side of portion's feeding device is linked up with, and for driving discharging hook to make the mobile walking of three-dimensional space relative to material folding head Mechanism；Discharging hook has the pipe fitting suspension rod segment being directed toward material folding head and being in tilted layout upward；Device for discharging includes being mounted on Discharge chute in rack and positioned at discharge chute feeding inlet surface de- material stop part, de- material stop part has towards finger The baffle plate portion being disposed to extend to the direction of rotation axis, to link up with opposite baffle plate portion along perpendicular to baffle plate portion in discharging When the direction of plate face is mobile, fallen for above pushing away the tubular form hung on discharging hook from discharging hook.It is unloaded based on this Expect device, can be accepted during disconnecting device cuts drip molding from blank using discharging hook, and avoids into Type part directly falls and deforms, and avoids optimizing integrally-built cloth in the lower section of material folding head setting delivery device Office.

Another preferred scheme is that cutting off tool includes periphery cutting off tool；Disconnecting device includes installation slide plate and feeding Walking mechanism, feeding walking mechanism can at least be used to that installation slide plate to be driven to be made along extending direction and perpendicular to the transverse direction of extending direction Two-dimensional space it is mobile；Periphery cutting off tool is mounted on installation slide plate.

In order to achieve the above-mentioned another object, it includes periphery that another preferred embodiment provided by the utility model, which is cutting off tool, Cutting off tool and inner circumferential pre-cut cutter；Disconnecting device includes installation slide plate and feeding walking mechanism, and feeding walking mechanism at least can For driving installation slide plate to make to move along extending direction and perpendicular to the lateral two-dimensional space of extending direction；Periphery cutting off tool It is mounted on installation slide plate while processing evacuation spacing is equipped between inner circumferential pre-cut cutter；Inner circumferential pre-cut cutter is slidably mounted in It installs on slide plate, and can be moved along the extending direction of rotation axis under the driving of axial feed driving mechanism with respect to slide plate is installed It is dynamic；Periphery cutting off tool and inner circumferential pre-cut cutter are arranged laterally spacedly.By the way that cutting off tool is arranged to include that periphery is cut Breaking tool in cutting-off process, first carries out pre-cut in inner peripheral surface, then cut on outer peripheral surface with inner circumferential pre-cut cutter It is disconnected, to effectively reduce burr etc., and reduce subsequent processing process；Position of the inner circumferential pre-cut cutter on rotation axis direction can It adjusts and is convenient for adjusting inner peripheral surface pre-cut position according to actual needs, and reduce the interference to other cutters, and convenient for adding to correlation The mounting arrangement of work tool.

Preferred scheme is that material folding head includes being driven by rotational driving device and the live spindle of opposite gantry rotation, Material folding pawl is mounted on the front end of live spindle；The axial inner via hole of live spindle is constituted for material through hole；Spinning wheel can be rotated Ground is mounted on installation slide plate；Spinning wheel, periphery cutting off tool and the laterally spaced arrangement of inner circumferential pre-cut cutter, and horizontally Spacing is avoided with processing.It is driven based on same feed mechanism, the layout of handpiece structure can not only be optimized, and can be reduced Related components, and machining accuracy is improved based on same localization criteria.

Another preferred scheme is that axial feed driving mechanism includes the cylinder being mounted on installation slide plate；Feeding walking Mechanism includes the leading screw and nut mechanism for arranging along extending direction and the servo motor for driving screw rod to rotate.Utilize cylinder It drives inner circumferential pre-cut cutter to switch between stretching out Working position and retracting evacuation position, and utilizes the servo along rotation axis direction Driving to adjust the pre-cut position in blank, not only can ensure that the precision of the pre-cut position of section slot, and can reduce equipment at This.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model embodiment 1；

Fig. 2 is perspective view of the utility model embodiment 1 after omitting protective cover；

Fig. 3 is main view of the utility model embodiment 1 after omitting protective cover；

Fig. 4 is the perspective view of tail portion feeding device in the utility model embodiment 1；

Fig. 5 is A partial enlarged view in Fig. 4；

Fig. 6 is perspective view of the utility model embodiment 1 after omitting tail portion feeding device；

Fig. 7 is B partial enlarged view in Fig. 6；

Fig. 8 is C partial enlarged view in Fig. 6；

Fig. 9 is the partial perspective view of tail portion feeding device in the utility model embodiment 1；

Figure 10 is D partial enlarged view in Fig. 9；

Figure 11 is perspective view of the utility model embodiment 1 after omitting tail portion feeding device；

Figure 12 is partial perspective view of the utility model embodiment 1 after omitting protective cover；

Figure 13 is to form the process schematic that pipe portion carries out the processing of inner circumferential pre-cut using 1 pair of the utility model embodiment；

Figure 14 is the process schematic for carrying out rotary press modelling to blank using the utility model embodiment 1；

Figure 15 is to form pipe portion using 1 pair of the utility model embodiment to carry out the process schematic that end face cuts flat with processing；

Figure 16 is to form the process schematic that pipe portion carries out inner hole trimming processing using 1 pair of the utility model embodiment；

Figure 17 is E partial enlarged view in Figure 11；

Figure 18 is the perspective view of device for discharging in the utility model embodiment 1；

Figure 19 is the process schematic for carrying out machine-shaping to blank using the utility model embodiment 1, and figure (a) is interior The process schematic of all pre-cut steps, figure (b) are the process schematic of rotary press modelling step, and figure (c) is that end face cuts flat with step Process schematic, figure (d) are the process schematic of periphery severing step；

Figure 20 is the flow chart being processed using the utility model embodiment 1 to blank；

Figure 21 is guide part installation diagram in the utility model embodiment 1.

Specific embodiment

With reference to embodiments and its attached drawing the utility model is described in further detail.

Embodiment 1

Referring to Fig. 1 to Figure 21, the utility model spinning machine 1 includes rack 10, control device, material folding head 11, spinning machine First 12, tail portion feeding device 13, device for discharging 14, disconnecting device, pipe end finishing device and protective cover 15；Protective cover 15 is mounted on It in rack 10, and covers in outside spinning head 12, disconnecting device and pipe end trimming device, and the inlet end and folder of discharge unit 14 The front end of material head 11 also is disposed in the protective cover 15, and to ensure the safety of process, which has horizontal drawing Formula enabling 150 is laid with observation through-hole in sliding enabling 150, and is laid with lamina of septum pellucidum on observation through-hole.Rack 10 On be installed with pedestal 101, spinning head 12 and material folding head 11 are installed on pedestal 101, and spinning head 12 is located at material folding The front side of head 11, tail portion feeding device 13 are located at the side that material folding head 11 deviates from spinning head 12, that is, are located at clamping machine head 11 caudal.

In the present embodiment, control device includes touch control board 16, control cabinet 17, processor and memory, storage Device stores computer program；The control instruction that operator is received by touch control board 16, so that processor executes storage The corresponding computer program in memory, and control each functional unit and execute movement to response according to predesigned order, with Spinning, cutting and blanking operation are carried out, and obtains the molded part of intended shape.

Material folding head 11 includes can be around the live spindle on the tail end that rotation axis 100 is rotatably mounted at pedestal 101 110, and be mounted on the front end of live spindle 110, for clamping the material folding pawl 111 of pipe fitting 01；Wherein, material folding pawl 111 is used It is clamped in by the front end of blank 01, to drive blank 01 to rotate synchronously, specific structure is not limited to more in figure Flap-type structure, the other structures that may further reference in existing product are designed.

Spinning head 12, disconnecting device and pipe end trimming device are installed on the front end of pedestal 101, in spinning processing During, drive live spindle 110 with respect to material folding head 12 around rotation by the rotary drive motor being mounted on pedestal 101 Shaft axis 100 rotates, to drive the blank 01 being clamped on material folding pawl 111 and 120 phase of spinning wheel on spinning head 12 To rotation, in the description of the present embodiment, rotation axis 100 be along X axis arrange, vertical to for Z axis to.In order to be able to achieve tail Portion's feeding device 13 can carry out feeding, the structure as shown in Fig. 2, Fig. 6, Figure 17 and Figure 21, in live spindle 110 from caudal Equipped with through its front and back end for material through hole 1100；Specific mounting structure is that the both ends of the live spindle 110 can by bearing It is pivotally supported in rack, and the gear by being sleeved on outside it or synchronous pulley drive live spindle 110 with respect to rack 10 It is rotated around rotation axis 100；Live spindle 110 is arranged axially along X axis, is also arranged along X axis for material through hole 1100, i.e., Material folding head 11 have along rotation axis 100 extending direction arrange for material through hole 1100, in the present embodiment, for material through hole 1100 generally circular through-holes, the substantially conllinear arrangement of the axis and rotation axis 100 of the circular through hole.

As shown in FIG. 11 and 12, spinning head 12 includes spinning wheel 120, installation slide plate 21 and feeding walking mechanism 3, peace Filling slide plate 21 is the plate body structure arranged along XOY plane, i.e., arranges along the horizontal plane, spinning wheel 120 can be turned by mounting base 121 It is mounted on installation slide plate 21 dynamicly；Feeding walking mechanism 3 includes that can slidably be pacified along X axis by guide rail slide block mechanism 30 X axis slide plate 31 on pedestal 101, the straight-line displacement output dress for driving X axis slide plate 31 to move back and forth along X axis 32 are set, the guide rail slide block mechanism 33 that can be reciprocatingly mounted on along Y-axis on X axis slide plate 31 for slide plate 21 will to be installed, And the straight-line displacement output device 34 for driving installation slide plate 21 to move back and forth along Y-axis, for straight-line displacement output device 32,34, linear motor, servo motor, oil cylinder, cylinder etc. can be used, it is specific using by servo motor and silk in the present embodiment The straight-line displacement output device of stem nut mechanism cooperation building, to drive installation slide plate 21 to do two-dimensional space shifting in XOY plane It is dynamic.It of courses, can realize the movement of three-dimensional space by adding along Z axis to driving mechanism.I.e. in the present embodiment, it feeds Walking mechanism 3 can at least be used to that installation slide plate 21 to be driven to be made along the extending direction of rotation axis 100 and perpendicular to the extending direction Lateral two-dimensional space it is mobile.With as needed, drive spinning wheel 120 according to desired guiding trajectory phase using feeding walking mechanism 3 Material folding pawl 111 is acted, and screws out the molding pipe portion of preset shape on the end of blank 01.

Disconnecting device includes cutting off tool, installation slide plate 21 and feeding walking mechanism 3, i.e., in the present embodiment, cutting dress It sets and shares a set of feeding driving mechanism with spinning head 12.As shown in Figure 12 to Figure 17, cutting off tool includes periphery cutting off tool 22 are removably mounted on installation slide plate 21 with inner circumferential pre-cut cutter 23, periphery cutting off tool 22 by the base of tool 24, outside All cutting off tools 22 are removably mounted on the base of tool 24 especially by the knife handle 220 arranged along Y-axis, in the present embodiment In, the base of tool 24 is directly fixed on installation slide plate 21 by fixing bolt；Inner circumferential pre-cut cutter 23 passes through the base of tool 25 It is removably mounted on installation slide plate 21, inner circumferential pre-cut cutter 23 along X axis especially by arranging and towards straight line material folding pawl 111 The rod-shaped knife handle 230 that is disposed to extend of direction and be removably mounted on the base of tool 25, in the present embodiment, the base of tool 25 is It can be slidably mounted on along X axis on installation slide plate 21 by guide rail mechanism 250, and axial direction is installed on installation slide plate 21 Feeding driving mechanism 251 for driving the base of tool 25 to move back and forth in the X-axis along guide rail slide block mechanism 250, and drives inner circumferential The opposite installation slide plate 21 of pre-cut cutter 23 can be moved back and forth along X axis, to adjust the opposite installation slide plate 21 of inner circumferential pre-cut cutter 23 Position, and the process of spinning wheel 120, periphery cutting off tool 22 and interior spot facing cutter 26 is avoided, is utilized simultaneously Feeding walking mechanism 3 Feed servo system in the X-axis and control inner circumferential pre-cut cutter 23 with respect on the inner peripheral surface of blank 01 Pre-cut position so as to be adjusted according to the length of spinning part 02, and preferably avoids other stage properties and spinning wheel 120 Process.For the structure of feeding driving mechanism 251, it is straight-line displacement output device, linear motor, oil specifically can be used Cylinder, cylinder, or using the straight-line displacement output device constructed with servo motor and leading screw and nut mechanism, in the present embodiment In, it is specifically driven using cylinder, evacuation position is being withdrawn with the opposite installation slide plate 21 of realization driving inner circumferential pre-cut cutter 23 It is toggled with stretching out between Working position, recycles the feed accuracy of feeding walking mechanism 3 and adjust it with respect to blank 01 Position reduces the manufacturing cost of equipment under the premise of ensuring machining accuracy.

Pipe end finishing device includes pipe end trimming cutter, installation slide plate 21 and feeding walking mechanism 3, i.e., in the present embodiment In, pipe end finishing device and spinning head 12 share a set of feeding driving mechanism.As shown in Figure 12 to Figure 17, pipe end rebuilds cutter Including periphery cutting off tool 22 and interior spot facing cutter 26, i.e., it has shared one periphery cutting off tool 22 with disconnecting device；Certainly , one individually can respectively be arranged according to actual needs can also periphery cutting off tool；Interior spot facing cutter 26 passes through the base of tool 27 It is removably mounted on installation slide plate 21, interior spot facing cutter 26 along X axis by arranging and towards the direction of straight line material folding pawl 111 The rod-shaped knife handle 260 that is disposed to extend and be removably mounted on the base of tool 27.

Transversely, i.e., along Y-axis, periphery cutting off tool 22, interior spot facing cutter 26, inner circumferential pre-cut cutter 23 and spinning wheel 120 compartment of terrain are sequentially arranged, and it is adjacent have processing evacuation gap between the two, i.e., using one of them to being clamped in material folding pawl During blank 01 on 111 is processed, another one and the spacing between it can ensure that will not be processed to this The size of Cheng Zaocheng interference, specific spacing is determined according to the size of practical cutter sizes and required processing blank；Four Between positional relationship can be according to needing to be arranged before and after manufacturing procedure, it is not limited to the specific knot in the present embodiment Structure.For inner circumferential pre-cut cutter 23, blade is triangle blade, to process cross section on the inner peripheral surface of blank 01 as three Angular section slot is of coursed with constituting the chamfering of the end face inward flange of molded part 02, can also process square for rectangle blade The section slot of shape cross section, can also be used the chamfering edged surface that interior lowland arcwall face process evagination, specific structure according to Actual needs carries out selection setting.

In the present embodiment, spinning head 12, disconnecting device and pipe end finishing device share a set of feeding driving mechanism, no It can be reduced components building, and only convenient for setting processing evacuation spacing.It of courses, corresponding Feed servo system can be separately provided in three The setting of mechanism, specific structure is not limited to the specific structure in the present embodiment.

As shown in Fig. 7 and Figure 18, device for discharging 14 is removably mounted on by the side of pedestal 101 by bracket 41.Tool Body includes the discharging hook 42 positioned at material folding head 11 away from the side of tail portion feeding device 13, that is, before being located at clamping machine head 11 Side is mounted on bracket 41 for driving discharging hook 42 to make the mobile walking mechanism of three-dimensional space relative to material folding head 11 And the discharge chute 48 for the arrangement that is tilted down, and for assisting discharging to link up with 42 so that molded part progress on it will be hung The de- material stop part 47 of unhook discharging processing；Discharging hook 42 is L-type bar structure, with direction material folding head 11 and upward The pipe fitting suspension rod segment 420 of inclination arrangement and vertically arranged installation rod segment 421.

For the specific structure of walking mechanism, the manipulator with the above freedom degree of tri- axis of XYZ can be used and constructed, In It in the present embodiment, is constructed using walking truss structure, as shown in Fig. 7 and Figure 18 comprising pass through what is arranged along Y-axis Guide rail slide block mechanism 43 and be slidably mounted in the traversing bracket 44 on bracket 41, for driving the opposite bracket of traversing bracket 44 41 cylinders 48 moved back and forth along Y-axis, and guide rail slide block mechanism 45 by arranging along X axis ands, are slidably mounted in cross The cylinder 46 on bracket 44 is moved, the cylinder 49 for driving cylinder 46 to move back and forth along X axis, the piston rod 460 of cylinder 46 is along Z Axial arrangement, discharging hook 42 are removably attached on the lower end of piston rod 460.

De- material stop part 47 is located at the surface of 48 feeding inlet of discharge chute, i.e., just positioned at the upper port of discharge chute 48 At top, there is the baffle plate portion 470 being disposed to extend towards the direction for being directed toward rotation axis 100.

Structure as shown in Figures 1 to 5, tail portion feeding device 13 include feeding bracket 50, by arranged along X axis two Guide rail slide block mechanism 51 and the leading truck 6 on feeding bracket 50 and material-pushing frame 7 can be slidably mounted on along X axis, for driving The straight-line displacement output device 52 for moving back and forth material-pushing frame 7 along X axis, spacing holding mechanism and feeding push rod 53；Wherein, Material-pushing frame 7 is located at the caudal of leading truck 6.As shown in Figures 1 and 5, feeding bracket 50 includes two lifting type support seats 501, branch The cross-brace frame 502 being fixed on to support on two support bases, 501 upper end, the lateral blocked frame positioned at 502 two sides of cross-brace frame 503, and the lamina tecti 504 being removably fastened on two lateral blocked frames 503；Lamina tecti 504 is detachable by buckle mechanism 505 Ground is fixed on lateral blocked frame 503, and multiple dismounting auxiliary handles 505 are arranged in lamina tecti 504；Two lateral blocked frames 503 and lamina tecti 504 surround and are mounted on cross-brace frame 502, constitute along feeding push rod 53 axially extending arrangement cover in leading truck 6 and push away The protective cover outside frame 7 is expected, for leading truck 6, material-pushing frame 7 being isolated with external operation personnel, to avoid hair in feeding process Raw safety accident；Two guide rail slide block mechanisms 51 are installed on cross-brace frame 502；The support end of support base 501 with respect to pedestal, It is adjustable in the upward position of Z axis, specially include tube-in-tube structure and with to the relative displacement between two sleeves into line-locked tight Determine screw.For the specific structure of straight-line displacement output device 52, rack and pinion drive mechanism, tape handler or chain can be used Transmission mechanism etc. is constructed, and in the present embodiment, is constructed using chain-drive mechanism, as shown in figure 4, including rotationally The sprocket wheel 507 being installed on the both ends of feeding bracket 50, the chain 508 engaged with two sprocket wheel 507, and for driving it In the servo motor that rotates of sprocket wheel 507 or separately set the sprocket wheel that one is engaged with the chain 508 to drive 508 turns of the chain It is dynamic, and by material-pushing frame 7 slide plate 70 and the part serobila upper surface of the chain 508 be fixedly connected, pushed away so as to drive Material frame 7 moves back and forth in the X-axis along guide rail slide block mechanism 51, can be shortened the size of tail portion feeding device 13 in the X-axis And reduce its occupied area.

Material-pushing frame 7 includes the slide plate 70 being installed on the part sliding block of two guide rail slide block mechanisms 51 and is mounted on the slide plate L-type fixed plate 71 on 70；The mounting hole 72 that can be set on the tail end of feeding push rod 53 is equipped in L-type fixed plate 71. Leading truck 6 includes the slide plate 60 being installed on the part sliding block of two guide rail slide block mechanisms 51 and is mounted on leading on the slide plate 60 To plate 61, the support guide hole 62 being movably set in outside feeding push rod 53 is equipped on guide plate 61；After feeding push rod 53 End is fixedly connected by fixture nut 73 with L-type fixed plate 71, and front end passes through support guide hole 62 and is slidably supported at On the support guide hole 62, so that feeding push rod 53 be made to be slidably mounted on feeding bracket 50；Wherein, material-pushing frame 7 and guiding Frame 6 constitutes the feeding driving unit in the present embodiment together, for driving feeding push rod 53 to be fed along X axis.

Spacing holding mechanism includes two pull rods 54 being arranged between leading truck 6 and material-pushing frame 7, is fixed on feeding bracket 50 back-up roller wheel 80 on the end of material folding head 11 is fixed on across the drag rope 81 being around in back-up roller wheel 80 Expect the bottom of bracket 50 and diameter is greater than the large diameter roller 82 of back-up roller wheel 80, and hanging clump weight 83.

One end of drag rope 81 is fixed on the slide plate 60 of leading truck 6, and the other end is successively from the upside of back-up roller wheel 80 Into and across being around in back-up roller wheel 80, and from the bottom side of large diameter roller 82 enter and across being wound in the large diameter roller 82 after, then Be fixedly connected with hanging clump weight 83, thus in use, using hanging clump weight 83 to drag rope 81 along vertical to Pulling force, and to slide plate 60 apply along X axis forward direction pulling force, in slide plate 60 not by outside along the backstop power of X axis negative sense Or when pulling force, leading truck 6 is driven to move relative to feeding bracket 50 along X-axis forward direction, i.e., towards mobile close to the direction of material folding head 11； The front end of pull rod 53 is fixed on the guide plate 61 of leading truck 6, and rear end can relatively movably pass through and be set on material-pushing frame 7 It after through-hole on guide hole seat 74, then is fixedly connected with stop part 75, i.e., stop part 75 is fixed on L-type fixed plate 71 away from leading truck 6 side, in use, stop part 75 for leaning with the guide plate 61 on material-pushing frame 6, and backstop material-pushing frame 7 with Relative movement between pull rod 54, i.e., when leading truck 6 is not when by the backstop or the external force constraints such as pulling force along X-axis forward direction, outstanding Empty clump weight under pulling force effect, so that stop part 75 is leant with L-type fixed plate 71 always, and make leading truck 6 and material-pushing frame 7 it Between spacing remain preset space length, so as to be that feeding push rod 53 is provided and preferably supported in feeding process, i.e., in this reality It applies in example, the length of feeding push rod 53 is longer than the preset space length, specifically can be according to upper usually within twice of the preset space length The length and weight of the intensity and blank 01 of expecting push rod 53 are set.I.e. in the present embodiment, spacing holding mechanism is used for Forcing the spacing between leading truck 6 and material-pushing frame 7 is default spacing, until the leading truck 6 is dynamic close to the movement of material folding head Make by backstop, which is to be applied by the stop block being set on the front end of feeding bracket 50, in the present embodiment, for such as Fig. 4 Shown in be fixed on baffle plate 500 on guide rail end；It of courses, which can be by mobile stop part on pull rod Fixation position and be adjusted, be adapted to different length feeding push rod 53 and blank 01.Backstop after stop part 75 is constituted Part is used for backstop pull rod 53 and moves forward with respect to material-pushing frame 7.

It as shown in figure 20, include pipe end positioning step S1, inner circumferential pre-cut step using the process that this spinning machine obtains molded part Rapid S2, rotary press modelling step S3, port pre-shaping step S4, periphery severing step S5 and discharge step S6, i.e. processor execution are deposited Computer program in reservoir and can realize aforementioned six steps, to obtain the molded part 02 of desired shape.

In the present embodiment, specific spinning process is carried out for obtaining the molded part 02 of the structure as shown in Figure 19 (d) Illustrative explanation.

Pipe end positioning step S1, control feeding walking mechanism 3 drive spinning wheel 120 to be moved to positioned at material folding pawl 111 just The position location in front, then control tail portion feeding device 13 and feeding is carried out to blank 01, until the front end face of blank 01 compresses The wheel end face of spinning wheel 120, to be positioned to pipe end.

During the work time, material-pushing frame 7 is pulled to move with leading truck 6 along X-axis negative sense by straight-line displacement output device 52 Front end to feeding push rod 53 is approximately greater than the length of blank 01 with the distance between the tail end mouth for material through hole 1100, such as schemes Shown in 21, the front end of blank 01 is passed through and is installed in for the support guide hole in the guide part 91 on 1100 tail end of material through hole 910, until part enters in material through hole 110, and using connector by the front end of the tail end of blank 01 and feeding push rod 53 Portion rotatably connects, specially using both sleeve structure connections；Specially the front end of feeding push rod 53 rotationally Pusher adapter is installed, the outer dimension of the pusher adapter is identical as the outer peripheral surface of blank 01 and feeding push rod 53, Pusher shoulder face with the connection-peg in the rear port for being sleeved on blank and the rear end side positioned at connection-peg can specifically incite somebody to action The fixing seat and be installed in rotation in the fixing seat that pusher adapter is provided fixed on the front end of feeding push rod 53 Pusher adapter, specially pusher adapter is rotatable by the two by the bearing axially arranged axially along feeding push rod Connection.To be supported using leading truck 6 and guide part 91 for hanging blank 01, straight-line displacement output device is recycled 52 drive material-pushing frame 7 mobile towards X axis forward direction, are led to driving feeding push rod 53 that the front end of blank is driven to sequentially pass through feed Hole, material folding pawl 111 clamping station and extend to the wheel end face of front end face and spinning wheel 120 against and before completing to blank The positioning of end face can be by being laid on the front end face of feeding push rod 53, for detecting between the two push away for position fixing process Pressure to determine whether pusher in place.In addition, a measure loop can be constructed between blank 01, spinning wheel 120, if should Measure loop conducting indicate both lean, if disconnect characterization both not against.

I.e. in the present embodiment, tail portion feeding device be used for from caudal by for material through hole 100 to material folding pawl 111 and spinning 120 supply blank 01 of wheel, blank 01 is long blank, i.e., its length, which is enough to ensure that, can be spun to more than two spinning Part is specially more than twice for 1100 length of material through hole, wherein the length of feeding push rod 53 is greater than the length for material through hole 1100 Degree, with can to after repeatedly cutting and the shorter blank 01 of residue length carries out feeding.Feeding push rod 53 is in feeding bracket Removable stroke on 50 is more than or equal to twice for 1100 length of material through hole, is specially greater than 5 times or more, preferably 5 times extremely 10 times.

It for the installation site of guide part 91, can be configured, such as can be installed in for material through hole according to the actual situation In 1100 or by the caudal for material through hole 1100, preferably guide part 91 is rotated with live spindle 110, to reduce to pipe Expect the scuffing on 01 surface.Support guide hole 910 on its guide part 91 is used to carry out guide support to blank 01 in feeding early period, And guide support is carried out to feeding push rod 53 in the feeding later period.

Inner circumferential pre-cut step S2, control feeding walking mechanism 3 drive spinning wheel 120 to exit position location；Then, such as Figure 13 And shown in Figure 19 (a), according to the length of molded part 02 to be obtained, control feeding walking mechanism drives 3 and axial feed driving machine The cooperation of structure 251, and protrude into inner circumferential pre-cut cutter 23 in the front end of blank 01；Then, control rotational driving device drives Make live spindle 110 that blank 01 be driven to rotate, and control feeding walking mechanism 3 drives the tool of inner circumferential stocking cutter 23 in blank 01 Inner peripheral surface on cut out section slot 010 in advance.

Groove depth control for end face groove 010, is determined generally according to the wall thickness of blank 01, and usual cutting depth is three / mono- with up to half hereinafter, in the present embodiment be 0.2 millimeter to 0.5 millimeter.

Rotary press modelling step S3, control feeding walking mechanism 3 drive inner circumferential pre-cut cutter 23 to exit and pre- cut position；It connects , control rotational driving device drives live spindle 110 that blank 01 is driven to rotate, and control feeding walking mechanism 3 drives rotation Pinch roller 120 presses that desired trajectory is mobile, on the front end of blank 01 at spinning predetermined shape molding pipe portion.

As shown in Figure 14 and Figure 19 (b), using spinning wheel 120 to the front end of the blank 01 in high speed rotation state It is squeezed, and rotates out of molding pipe portion 02.

Port pre-shaping step S4, control spinning wheel 120 exit spinning position；Then, control rotational driving device drives rotation Turning main shaft 110 drives blank 01 to rotate, and control feeding walking mechanism 3 drives periphery cutting off tool 22 to be fed to molded part 02 End side carries out end face with the choke to molding pipe portion and cuts flat with processing, and interior spot facing cutter 26 is driven to protrude into molded part 02, with Interior hole trimming processing is carried out to the choke of molding pipe portion.

During blank 01 is spun into molded part 02, it is easy to make that its end face is uneven and bore area is uneven, and Subsequent assembly is had an impact, therefore, as shown in figure 16, while to drive blank 01 to rotate based on live spindle 110, benefit It is horizontally fed with interior spot facing cutter 26 and interior hole processing is carried out to inner peripheral surface and improves its circularity；Such as Figure 15 and Figure 19 (c) shown in, cutoff process is carried out using end face of the periphery cutting off tool 22 to molded part 02.

Periphery severing step S5, control feeding walking mechanism 3 drive pipe end dressing tool to exit trim locations；Then, such as Shown in Figure 19 (d), control rotational driving device drives live spindle 110 to drive blank rotation, and control feeding walking mechanism 3 It drives periphery cutting off tool 22 to be cut off at position corresponding with section slot 010 on the outer peripheral surface of blank 01, obtains Molded part 02.

I.e. in the present embodiment, disconnecting device is located at the front side for material through hole, including being located at the cutoff tool by spinning wheel side Tool, the molded part 02 for going out rotary press modelling are cut from blank 01.As shown in Figures 2 and 3, before cutting, it controls Walking mechanism drives the pipe fitting suspension rod segment 420 of discharging hook 42 to protrude into the inner hole of molded part 02 and deposits between inner circumferential surface There is gap, when molded part 02 is cut from blank 01, is then automatically suspended in pipe fitting suspension rod segment 420, such as Figure 18 institute Show.

Discharge step S6, control walking mechanism drive 42 carrying molded part 02 of discharging hook to be moved to positioned at de- material stop part It by 47 side, and is the side that molded part 02 and installation rod segment 421 are located at baffle plate portion 470, and molded part 02 is neighbouring The end side lower edge in baffle plate portion 470 is located at the lower section of 470 upper side of baffle plate portion, recycles walking mechanism that discharging is driven to be linked up with 42 move along X-axis forward direction, and under 470 backstop of baffle plate portion, molded part 02 is detached from from pipe fitting suspension rod segment 420 and falls into discharging and slide It in slot 48, and is rolled into collection frame along the groove face of inclination arrangement, i.e. baffle plate portion 470 is used in the opposite backstop of discharging hook 42 When plate portion 470 is moved along the direction of the plate face perpendicular to baffle plate portion 470, for will hang on discharging hook 42 on tubulose at Type part 02 is above pushed away from discharging hook 42 and is fallen.

It repeats above-mentioned six steps and the front end of blank 01 is constantly processed into the molded part 02 of desired shape, directly The extension position that a molded part cannot be processed to remaining pipe range and clamped enough, the case where with cutting in advance in the prior art It compares, the clamping pipe range finally wasted is that all molded parts share and save blank, reduces waste, and all process steps are based on Clamped one time provides the machining accuracy of entire molded part 02 with positioning.

Embodiment 2

As the explanation to the utility model embodiment 2, only the difference with above-described embodiment 1 is said below It is bright.

For the specific structure of spacing holding mechanism, it is not limited to which the passive type structure in above-described embodiment can also adopt With structure is actively made, i.e., constructed using the straight-line displacement output device controlled by control device, for example, by using linear motor Or rotating electric machine is constructed with leading screw and nut mechanism, referring to Fig. 4 and structure shown in fig. 5, by the straight-line displacement output device Stator and one of mover be fixed on leading truck 6, another one is fixed on material-pushing frame 7, and in the front end side of leading truck 6 Fixed travel switch is consolidated to touch the stop part being mounted on 5 front end of feeding bracket, or in the front end grid of feeding bracket 5 If travel switch, with leading truck 6 trigger the trip switch when characterize leading truck 6 by backstop in the position, for example, by using rotation Motor is constructed with leading screw and nut mechanism, then after travel switch is triggered, control rotating electric machine drives feed screw nut's machine Structure keeps the speed to move ahead with material-pushing frame 7 to shorten spacing between the two；Cannula structure additionally can be used to be configured, the set Pipe structure includes the long inner sleeve pipe and reducing garment pipe that opposite can slide suit, is set in long inner sleeve pipe and reducing garment pipe corresponding position There is locking hole, and lockable mechanism, specially electromagnet are installed on reducing garment pipe, which will then be set on two when being powered Lock pin in locking hole is sucked out and enables the opposite sliding of two casings, and long inner sleeve pipe can partially stretch out outside short in use process Except the both ends of casing, when electromagnet is not powered on, lock pin protrudes into two locking holes to alignment under the action of reset spring Fixation that is interior and realizing relative position between two casings, of courses, multiple locking holes can be arranged on long inner sleeve pipe and realize more Default spacing may be selected.I.e. in the present embodiment, spacing holding mechanism is used to force the spacing between leading truck and material-pushing frame Greater than default spacing, until leading truck close to material folding head shift action by backstop.

In the above-described embodiments, rotational driving device is constructed using motor, to drive material folding head opposite with spinning head It is rotated around rotation axis 100, live spindle is specially driven to rotate relative to rack around rotation axis 100.It of courses, it can be used He rotates output equipment building rotational driving device, for example, passing through synchronous belt, gear drive machine using gasoline engine, diesel engine etc. Structure is driven to construct rotational driving device or oil cylinder, the cylinder isoline displacement output device and tooth in above-described embodiment The swing offset output device that wheel rackwork etc. is constituted the switching mechanism that straight-line displacement is converted into swing offset.Wherein. " caudal " is configured as the side that material folding head deviates from spinning head, and " front side " is configured as material folding head adjacent to spinning head Side.

In the above-described embodiments, disconnecting device and pipe end finishing device drive pipe by material folding pawl using live spindle Material is rotated and is realized, i.e., in the above-described embodiments, disconnecting device includes live spindle, is mounted on the front end of the live spindle Material folding pawl, for drive live spindle rotate rotational driving device, periphery cutting off tool, inner circumferential pre-cut cutter and cutter into To walking mechanism, pipe end trimming device includes live spindle, the material folding pawl being mounted on the front end of the live spindle, for driving Rotational driving device, periphery cutting off tool, interior spot facing cutter and the tool feeding walking mechanism for rotating live spindle.In addition, The pull rod and connection type between the two that are laid between material-pushing frame and leading truck may be arranged as, to realize spacing The function of holding, the i.e. front end of pull rod can be passed through relatively movably after the through-hole on leading truck, then solid with preceding stop part Fixed connection, the preceding stop part are moved back for the relatively described leading truck of backstop pull rod.

The central scope of the utility model is that tail is arranged for material through hole, caudal by being arranged on the material folding head of spinning machine Cutting off tool is arranged in portion's feeding device and front side, to carry out feeding to long blank, and reduces manufacturing cost and improves manufacture essence Degree.According to this design, live spindle, the structure of clamp drive mechanism etc. of material folding pawl are not limited to the various embodiments described above, also There are many obvious variations.

Claims (10)

1. a kind of tail portion loading type spinning machine, including rack and be mounted on the rack and be driven for rotation equipment drive and can The spinning head and material folding head relatively rotated around rotation axis；The spinning head includes spinning wheel, the material folding head packet Include material folding pawl；It is characterized in that, the material folding head is with the extending direction arrangement along the rotation axis for material through hole, institute Stating spinning machine includes:

Tail portion feeding device, positioned at the caudal for material through hole, for from caudal by it is described for material through hole to the material folding Pawl supplies blank；

Disconnecting device, positioned at the front side for material through hole, including being located at the cutting off tool by the spinning wheel side, for that will revolve Molded molded part out is cut from the blank.

2. spinning machine according to claim 1, it is characterised in that:

The tail portion feeding device includes feeding bracket, the feeding push rod being slidably mounted on the feeding bracket, and is used In driving the feeding push rod to feed along the extending direction, to carry out the feeding driving unit of feeding.

3. spinning machine according to claim 2, it is characterised in that:

The feeding driving unit includes the leading truck that is slidably mounted on the feeding bracket and be located at the leading truck The material-pushing frame of caudal, straight-line displacement output device and spacing for driving the material-pushing frame to move along the extending direction are protected Hold mechanism；The spacing holding mechanism be used to forcing spacing between the leading truck and the material-pushing frame be more than or equal to it is default between Away from, until the leading truck close to the material folding head shift action by backstop；The rear end of the feeding push rod is fixed on institute It states on material-pushing frame, front end is movably supported on the support guide hole of the leading truck.

4. spinning machine according to claim 3, it is characterised in that:

It is default spacing that the spacing holding mechanism, which is used to force the spacing between the leading truck and the material-pushing frame, until institute Leading truck is stated close to the shift action of the material folding head by backstop；

The bar portion length that the feeding push rod is located at the front side of the material-pushing frame is greater than the default spacing.

5. spinning machine according to claim 4, it is characterised in that:

The spacing holding mechanism includes the pull rod being arranged between the leading truck and the material-pushing frame, is fixed on the feeding Back-up roller wheel of the bracket on the end of the material folding head, across the drag rope being around in the back-up roller wheel, and it is hanging Clump weight；One end of the drag rope is fixed on the leading truck, and the other end is fixed on the hanging clump weight；

The front end of the pull rod is fixed on the leading truck, or can relatively movably be passed through and be set to leading on the leading truck Kong Hou, then be fixedly connected with preceding stop part；The preceding stop part is moved back for the relatively described leading truck of pull rod described in backstop；It is described The rear end of pull rod can relatively movably pass through after the through-hole on the material-pushing frame, then be fixedly connected with rear stop part；Institute Rear stop part is stated for the relatively described material-pushing frame Forward of pull rod described in backstop；

The bottom of the feeding bracket is installed with the large diameter roller that diameter is greater than the back-up roller wheel, and the large diameter roller is located at institute The side that back-up roller wheel deviates from the material folding head is stated, the other end of the drag rope enters from the bottom side of the large diameter roller And across being wound in the large diameter roller after, then be fixedly connected with the hanging clump weight.

6. according to spinning machine described in any one of claim 2 to 5 claim, it is characterised in that:

The length of the feeding push rod is greater than the length for material through hole；The feeding push rod on the feeding bracket can Shift motion is more than or equal to twice of the length for material through hole；The front end of the feeding push rod is the rear end with blank Portion is connected by relatively turnable sleeve structure；

It is described for being installed with guide part in material through hole, on the rear end for material through hole or by the caudal for material through hole, The guide part is equipped with for the mobile pilot hole being oriented to of feeding to blank.

7. according to claim 1 to spinning machine described in any one of 5 claims, it is characterised in that:

Device for discharging is installed in the rack；The device for discharging includes being located at the material folding head to deviate from the tail portion feeding The discharging of the side of device is linked up with, and for driving the discharging hook to make the mobile row of three-dimensional space relative to the material folding head Walk mechanism；The discharging hook has the pipe fitting suspension rod segment being directed toward the material folding head and being in tilted layout upward；The discharging Device includes that the discharge chute being mounted on the rack and the de- material positioned at the surface of the feeding inlet of the discharge chute are stopped Block piece, the de- material stop part has the baffle plate portion being disposed to extend towards the direction for being directed toward the rotation axis, to unload described It is described for that will hang on when material hook is moved relative to the baffle plate portion along the direction of the plate face perpendicular to the baffle plate portion Tubular form on discharging hook is above pushed away from discharging hook to be fallen.

8. according to claim 1 to spinning machine described in any one of 5 claims, it is characterised in that:

The cutting off tool includes periphery cutting off tool and inner circumferential pre-cut cutter, and the disconnecting device includes installation slide plate and feeding Walking mechanism, the feeding walking mechanism can at least be used to that the installation slide plate to be driven to be made along the extending direction and perpendicular to institute The lateral two-dimensional space for stating extending direction is mobile；It is equipped between the periphery cutting off tool and inner circumferential pre-cut cutter between processing evacuation It is mounted on the installation slide plate away from ground；The inner circumferential pre-cut cutter is slidably mounted on the installation slide plate, and in axis It can be moved along the extending direction under to the driving of feeding driving mechanism relative to the installation slide plate；The periphery cutting off tool With the inner circumferential pre-cut cutter it is laterally spaced arrange.

9. spinning machine according to claim 8, it is characterised in that:

The material folding head includes being driven and the live spindle of the relatively described gantry rotation by the rotational driving device, the folder Material pawl is mounted on the front end of the live spindle；The axial inner via hole of the live spindle constitutes described for material through hole；Institute Stating disconnecting device includes the live spindle and the material folding pawl；

The spinning wheel is installed in rotation on the installation slide plate；The spinning wheel, the periphery cutting off tool and described Inner circumferential pre-cut cutter is arranged along the lateral separation, and has processing evacuation spacing in the cross direction.

10. spinning machine according to claim 8, it is characterised in that:

The axial feed driving mechanism includes the cylinder being mounted on the installation slide plate；

The feeding walking mechanism includes leading screw and nut mechanism for arrange along the extending direction and for driving screw rod turn Dynamic servo motor.