CN106694672A - Inner support type rim rotary extrusion machine - Google Patents

Abstract

The invention belongs to the technical field of rim forming and particularly relates to an inner support type rim rotary extrusion machine. In the prior art, an inner die is in contact with a piston capable of pushing the inner die to move in the radial direction instead of being fixedly connected with the piston, although the piston can reset, the piston cannot drive the inner die to reset and retreat actively, after rotary extrusion is finished, the inner die needs to be pushed back to the original position manually for the next time of rotary extrusion operation, in this way, the automation degree of production operation is not high, if a worker pushes the inner die before a rotary drum is completely stopped, potential safety hazards are prone to happening, and accordingly production accidents are caused. According to the inner support type rim rotary extrusion machine provided by the invention, one or more reset springs used for making the inner die reset to the original position are horizontally arranged on the cylindrical face of an upper rotary shaft, and each reset spring is annular, surrounds the rotary shaft and wraps the inner die. The inner support type rim rotary extrusion machine has the advantages that the inner die can reset automatically, operation steps and potential safety hazards are reduced, and safety and reliability are achieved.

Description

A kind of inner bearing type wheel rim spinning machine

Technical field

The invention belongs to wheel rim field shaping technique, a kind of inner bearing type wheel rim spinning machine is refered in particular to.

Background technology

Rim for automobile wheel shaping before, be that steel plate is cut into billot, by edge rolling, butt welding, even weld seam out after be made wheel rim blank Circle, blank circle is loaded in wheel rim spinning machine, carries out rotary press modelling.Existing rim for automobile wheel forming process, the method for use has External-compression type and inner bearing type, difference are that fixed external mold or internal model, recycle internal model or the rotation of external mold to mould blank circle Property transformation.This patent refers to inner bearing type wheel rim spinning machine, by blank snare on the rotating cylinder top of rotating mechanism, starts from phase The positioner of locking fixes blank circle, and blank circle is by the internal model on rotating cylinder by the priority of control device follow procedure by introversion Outward, simultaneously radial dilatation, simultaneously rotation is caught up with, and blank circle is overlayed and is shaped on the inwall of jig, so promotes blank circle two The metal at end does plastic flow to interlude.

China patent CN101804432B discloses one kind《Rolling ring machine with internally supported rim》, rotation is provided with the middle part of workbench Rotation mechanism, is interval with more than one internal model that can be moved radially, in rotating mechanism on the face of cylinder on rotating mechanism top It is symmetrically arranged on two with from the positioner mutually locked, is fixed with the inside of positioner and coordinated to the outer of wheel rim shaping with internal model Mould, described rotating mechanism is driven by motor, and the action of motor, positioner and internal model is by control device control, control Controlling switch and display are electrically connected with device.Separately there is patent CN203900324U to disclose one kind《Inner bearing type rim ring rolling Machine》, above-mentioned patent equipment is partially improved.

In the said equipment, in the rotating cylinder or rotating shaft in rotating mechanism, vertical oil duct is set, and is set on vertical oil duct Put and piston is set in the oil duct of radial direction, radial direction oil, the internal model that the shaping of wheel rim inwall is used on rotating mechanism is contradicted containing piston Radial direction oil oil passage outlet on, hydraulic oil in piston and oil duct drives what internal model made to extrapolate to move radially.At work, Internal model and piston only contact condition, are not fixedly connected, though piston can reset, internal model positive return can not be driven to move back Return, need manually to push back internal model to original position after spinning terminates, wait next spinning operation, the automaticity of such production operation It is not high, and if workman rotating cylinder do not come to a complete stop just push away internal model be easy for trigger potential safety hazard, cause production accident.

The content of the invention

It is higher it is an object of the invention to provide a kind of automaticity, can support that the internal model for the shaping of wheel rim inwall is automatic Reset the inner bearing type wheel rim spinning machine for retracting.

The purpose of the present invention can be realized by following technical proposal：A kind of inner bearing type wheel rim spinning machine, including spinning system System, oil supply system and control system, wherein spinning system include rotating mechanism, and rotating mechanism includes being located in workbench vertically The rotating shaft in portion, being provided at circumferentially spaced more than one on the rotating shaft of end face-top rotating shaft face of cylinder on the table can move radially Internal model, internal model is used to be molded the profile of wheel rim inwall upper and lower sides；Rotating mechanism is symmetrically arranged on two with from the positioning mutually locked Device, is fixed with the external mold to wheel rim shaping with internal model cooperation on rotating mechanism on the inside of positioner, rotating shaft passes through work Rotating shaft drive mechanism below platform drives, and the oil supply system of rotating shaft drive mechanism, positioner and spinning machine is by controlling system System control, it is characterised in that being horizontally disposed with the face of cylinder of the top rotating shaft more than one is used for the internal model home position that resets Back-moving spring, the back-moving spring is annular in shape, and circle is in the periphery of rotating shaft and by including internal model Bao Huan.

In work, internal model is promoted by the piston in oil duct in rotating shaft and outwards moved radially, and internal model only contacts shape with piston State, is not fixedly connected, if being rigidly connected because internal model is fixed with piston, equipment releases internal model in spinning process, interior Mould inevitable anti-push piston in extrusion process, during so frequently pushing, easily causes internal model and breaks with the tie point of piston Failure is split or damaged, causes to be fixedly connected failure, if internal model is fixedly connected with the piston, piston more difficult will take out maintenance in oil duct Also there is consume when changing, moreover pushing in itself to piston, therefore loss of the reduction to piston that should be tried one's best in production, internal model is with piston not Preferably it is fixedly connected.

But though piston can reset, internal model positive return can not be driven to return.Add in oil duct during work in rotating shaft Pressure is oil-filled, promotes and moved outside piston, so as to promote internal model outwards to move radially, sets back-moving spring of the ring in internal model periphery, with Internal model Wai Yi spring contacts branch opens, and when equipment spinning is finished, emptying, moves back in piston in oil duct, pushes the level of internal model Direction force disappears, and the spring for opening can shrink automatically, so as to drive internal model to retract to initial position, and need not manually push away mould time It is in situ.The setting of back-moving spring, simply but efficiently, improves the automaticity of equipment.

Further, the annular groove for housing back-moving spring of ring-type indent is set on the face of cylinder of top rotating shaft. In this way, by the position restriction of back-moving spring, spring section is pushed out, major part is still trapped in groove, during telescopic spring Displacement is difficult, stability when return after internal model spinning has further been ensured.

Further, internal model includes roller axle bed, more than one roller is arranged with roller axle bed and correspondence is built-in Bearing, roller forms the inner surface configuration for being formed wheel rim；More than one bearing pulley is also arranged on roller axle bed, bearing is slided The set location of wheel is corresponding with the horizontal level of the annular groove, the pulley grooves depth of bearing pulley and the depth of annular groove Degree is engaged, and back-moving spring is placed in annular groove and pulley grooves.In this way, contact of the lockable back-moving spring with internal model Point, back-moving spring is stuck in pulley grooves, so as to bearing pulley circle be lived, is equal to roller axle bed or even internal model hoop in rotating shaft On, when internal model is ejected spinning work, spring is hidden in pulley grooves, is not contacted with blank steel ring, is not also just influenceed in internal model Roller and steel ring contact work.

Further, back-moving spring is an extension spring, interlocks to form ring-type from beginning to end.Extension spring head and the tail buckle, can be from mutually cyclization, dress Unload simple, using efficient, it is adaptable to the working environment of high temperature corrosion-resisting.

Further, each bearing pulley of grafting one of the upper and lower side of roller axle bed, roller is located between two bearings pulley.

Further, it is each up and down on the face of cylinder of top rotating shaft that an annular groove, bearing pulley and annular groove are set Position is corresponding.Annular groove is corresponding with the number of locations of bearing pulley, and upper and lower ends respectively cover a back-moving spring, from upper and lower two Individual position plays reset role to internal model, and evenly, process is more stable for active force.

Further, be circumferentially interval with the face of cylinder of top rotating shaft some indents for housing the vertical of internal model Internal model tank, the vertical top oil duct set in the rotating shaft of top is respectively equipped with radially oil between top oil duct and each internal model tank Road, when internal model is in original position, the back side of roller axle bed is contradicted in radial direction oil outlet, and piston is provided with radial direction oil, is rolled Axle block is inconjunction with roller and is moved radially by the hydraulic oil driving in piston and oil duct.

Further, the convex portion that setting is engaged with radial direction oil on the back side of roller axle bed, convex portion insertion radial direction oil Inner support plays internal model, and the radical length of convex portion is more than the ultimate range that internal model is moved radially.So, it is ensured that there is part convex portion all the time In radial direction oil, internal model is played a supportive role all the time, piston elder generation and protrusions contact, then power transmission promote internal model radially outward to move It is dynamic, and shearing force directly suffered in the middle part of the setting energy transfer roller axle bed of convex portion, it is to avoid the fracture of roller axle bed.Meanwhile, convex portion The moving radially for internal model that be set to play the guiding role, it is to avoid there is the inclined of direction up and down during rotary work in internal model Move, further ensured production efficiency.

Further, be arranged in parallel the radial direction oil of more than two up and down between top oil duct and internal model tank.Set many Bar radial direction oil, internal model is released from above-below direction jointly, is released power and is disperseed and uniform, and internal model is more steady during moving radially Calmly, the piston stress demand dispersion and in each radial direction slideway diminishes, and reduces the degree of wear of piston, extends the use of piston Life-span.

Further, internal model is three, and the wherein profile of the roller in internal model and position can be different.In this way, same Equipment, only changing internal model can produce multiple product, and equipment application return rate is high.

Compared with prior art, inner bearing type wheel rim spinning machine of the invention, back-moving spring is set and by rotating shaft periphery Mould circle between back-moving spring and rotating shaft, internal model and rotating shaft elastic connection, internal model outwards move radially after by back-moving spring general Internal model is retracted in rotating shaft, serves the automatically reset effect of internal model, without manually pushing back internal model, improves the automation of equipment Degree.In addition, setting the convex portion that can be inserted in radial direction slideway at the roller axle bed back side of internal model, back-up roller wheel axle bed had both been served Effect, also displaced the directly suffered shearing force in roller axle bed middle part, it is to avoid roller axle bed is broken, be also that the radial direction of internal model is moved It is dynamic to play the guiding role, make internal model more stable in spinning process, improve production efficiency.Inner bearing type wheel rim spinning machine of the invention The completion rolling ring shaping task of energy stable high-quality amount.

Brief description of the drawings

Fig. 1 is spinning machine total figure in the embodiment of the present invention.

Fig. 2 is spinning general system diagram in embodiment of the present invention spinning machine.

Fig. 3 is rotating mechanism installation structural representation on the table.

Fig. 4 is positioner installation structural representation on the table.

Fig. 5 is the structural representation of rotating mechanism.

Fig. 6 is the part-structure sectional view of rotating mechanism.

Fig. 7 is C portions enlarged diagram in Fig. 6.

Fig. 8 is the dimensional structure diagram of top rotating shaft.

Fig. 9 is the front view of top rotating shaft.

Figure 10 is the oil duct perspective view of top rotating shaft.

Figure 11 is the structural representation of internal model one.

Figure 12 is another angle schematic diagram of internal model one.

Figure 13 is the structural representation of internal model two.

Figure 14 is the structural representation of internal model three.

Figure 15 is the structural representation of rotating shaft supporting seat.

Figure 16 is the front section view of rotating shaft supporting seat.

Figure 17 is the structural representation of both sides external mold.

Figure 18 is the top view of both sides external mold.

Figure 19 is the structural representation of sliding block.

Figure 20 is sliding block and external mold assembling schematic diagram.

Figure 21 is sliding block and external mold assembling plan view.

In figure, 1, spinning system；11st, rotating mechanism；111st, rotating shaft；111-A, top rotating shaft；111-A1, annular groove； 111-A2, internal model tank；111-A3, fan-shaped cylinder；111-A4, top oil duct；111-A5, radial direction oil；111-A6, piston； 111-A7, glove bar；111-B, lower rotary shaft；111-B1, bottom oil duct；111-B2, overflow through hole；111-B3, sprocket wheel；112、 Rotating shaft supporting seat；1121st, transverse part；1122nd, the accommodating blind hole of bearing；1123rd, through axial bore；1124th, upper side wall；1125th, upper transverse direction Step；1126th, lower wall；1127th, lower lateral step；113rd, rotating shaft drive mechanism；1131st, motor；1132nd, reductor；1133、 114th, internal model；1141st, roller axle bed；1142nd, roller；1143rd, bearing pulley；1144th, pulley grooves；1145th, the roller axle bed back of the body Face；1146th, convex portion；115th, back-moving spring；116th, rebound；1161st, upper disk surface；1162nd, lower card；1163rd, bunker is divided； 1164th, transition oilhole；117th, flange plate；118th, swivel joint；1181st, oil connection；119th, bearing；12nd, positioner； 121st, external mold；1211st, locking face；1212nd, groove is locked；1213rd, convex portion is locked；1214th, mould tank is put；1215th, external mold breach； 122nd, sliding block；1221st, die station rank is put；1222nd, the inner end of sliding block；1223rd, fixed block；1224th, sliding block breach；1225th, it is solid Determine groove；1226th, locking nut；123rd, guidance set；1231st, locating piece；1232nd, chute；124th, power set；125th, in place Induction installation；1251st, frame is sensed；1252nd, inductor；1253rd, sensing chip；13rd, workbench 2, oil supply system；21st, motor；22、 Hydraulic pump, 23, oil path control system；24th, oil pipe；3rd, control system.

Specific embodiment

The invention will be further described with specific embodiment for 1-21 below in conjunction with the accompanying drawings.

A kind of inner bearing type wheel rim spinning machine, including spinning system 1, oil supply system 2 and control system 3.

As shown in figure 1, oil supply system 2 includes motor 21, hydraulic pump 22, and oil path control system 23, oil pipe 24, hydraulic pressure Pump is driven by motor, and fluid is sucked from hydraulic oil container, forms pressure oil discharge, is sent in oil path control system, oil circuit control System 23 enters outgoing direction using solenoid valve control oil circuit, to moving radially in power set 124 and rotating shaft 111 for external mold 121 Oil duct provides oil sources.

As shown in Figure 2,3, spinning system 1 includes rotating mechanism 11, and rotating mechanism 11 includes being located in workbench 13 vertically The rotating shaft 111 at middle part, be provided at circumferentially spaced on the rotating shaft-top rotating shaft 111-A faces of cylinder of the upper surface of workbench 13 one with On the internal model 114 that can move radially, internal model 114 is used to be molded the profile of wheel rim inwall upper and lower sides；The both sides pair of rotating mechanism 11 Title is provided with from the positioner 12 mutually locked, and the inner side of positioner 12 is fixed with and coordinates right with internal model 114 on rotating mechanism 11 The external mold 121 of wheel rim shaping, rotating shaft 111 is driven by the rotating shaft drive mechanism 113 of the lower section of workbench 13, rotating shaft drive mechanism 13rd, the oil supply system 2 of positioner 12 and spinning machine is controlled by control system 3.

As illustrated in figs. 5-7, rotating mechanism 11 includes rotating shaft 111, rotating shaft supporting seat 112, rotating shaft drive mechanism 113, rotating shaft 111 are located in the middle part of workbench 13 vertically, and wherein rotating shaft 111 includes top rotating shaft 111-A and lower rotary shaft 111-B, two parts A whole rotating shaft is fixedly connected to form by rebound 116 in the middle of rotating shaft, rebound 116 is contained in what the middle part of workbench 13 opened up In through hole；More than one internal model 114 that can be moved radially is provided at circumferentially spaced on the face of cylinder of top rotating shaft 111-A, internal model is used In the profile of shaping wheel rim inwall upper and lower sides；Lower rotary shaft 111-B is plugged in rotating shaft supporting seat 112 and passes rotating shaft supporting seat 112 bottoms link with rotating shaft drive mechanism 113；Rotating shaft supporting seat 112 is arranged on the lower surface of workbench 13, rotating shaft supporting seat 112 More than one bearing 119 is provided between lower rotary shaft 111-B；Vertical oil duct, its middle and lower part are set in the rotating shaft 111 Bottom oil duct 111-B1 in rotating shaft 111-B is extended downwardly and is protruded from lower rotary shaft and be connected with a swivel joint 118, and rotation connects First 118 outer wall is connected with oil connection 1181, and oil connection 1181 is directly connected by oil pipe 24 with oil supply system 1.

Set a vertical bottom oil duct 111-B1 in lower rotary shaft 111-B, the hydraulic oil in bottom oil duct 111-B1 passes through Enter after rebound 116 in top rotating shaft 111-A in set top oil duct 111-A4, it is set in top rotating shaft 111-A Top oil duct 111-A1 is insertion elongated hole, and top oil duct 111-A1 upper ends block oil duct junction with bolt.Top oil duct 111-A4's Bar number is corresponding with the number of internal model 114 set on top rotating shaft 111-A.Rebound 116 is in the form of annular discs, same with rotating shaft 111 Circle core shaft, middle part is cavity, makees a point bunker 1163；Insert the middle part perforate of lower card 1162, the upper end for lower rotary shaft 111-B Enter in rebound 116, the transition oilhole corresponding with top rotating shaft 111-A internal upper part oil ducts 111-A4 is opened up on upper disk surface 1161 1164。

As seen in figures 8-14, the interior for housing of some indents is circumferentially interval with the face of cylinder of top rotating shaft 111-A The vertical internal model tank 111-A2 of mould 114, just to being set and internal model phase in the fan-shaped cylinder 111-A3 of internal model tank 111-A2 Corresponding vertical top oil duct 111-A4.It is respectively equipped between top oil duct 111-A4 and each internal model tank 111-A2 radially Oil duct 111-A5.In the present embodiment, it is 3 that internal model 114 sets quantity, the mutual not phase of the profile of the roller 1142 in internal model and position Together, internal model tank 111-A2 and corresponding top oil duct 111-A4 are also 3, and the pole section of top rotating shaft 111-A is in three leaves The shape of grass.Between internal model tank 111-A2 and corresponding top oil duct 111-A4, with internal model center line as symmetry axis, up and down Be arranged in parallel two radial direction oil 111-A5, and as shown in Figure 10, the setting height between each radial direction oil 111-A5 is different, mutually Do not contact.Two radial direction oil 111-A5 are symmetrical arranged, internal model is released jointly from above-below direction, release dynamic balance and dispersion, it is interior Mould 114 is more stable during moving radially, and in each radial direction slideway piston 111-A6 stress demand dispersion diminish, reduce The degree of wear of piston, extends the service life of piston.Non-interference between radial direction oil 111-A5, each internal model fuel feeding is equal It is even, it is independent balanced when having ensured that internal model is moved radially.

Swivel joint 118 of the hydraulic oil from below lower rotary shaft 111-B is flowed into the present embodiment, into bottom oil duct 111- B1, until exited into from overflow through hole 111-B2 in point bunker 1163 of rebound 116, then again from rebound 116 In transition oilhole 1164 in card enters in top rotating shaft 111-A top oil duct 111-A4, finally from top oil duct 111- Outflow in the corresponding radial direction oil 111-A5 of A4, promotes piston, so as to promote internal model 114.

Decomposed by by oil duct in the present embodiment, each internal model 114 is respectively provided with corresponding oil duct 111-A4, hydraulic pressure by one's own efforts Oil mutual not crossfire in oil duct, in the absence of competitive relation, each internal model fuel feeding is uniform, stabilization when having ensured that internal model is moved radially Property.In addition, rotating shaft is classified as upper and lower part rotating shaft 111-A, 111-B, spliced by rebound 116, upper and lower part rotating shaft separately sets Meter wears oil duct, so as to simplify respective difficulty of processing.Rebound had both been used for connecting upper and lower rotating shaft simultaneously, also made to decompose oil Road is used, and by the two functional unification in the present embodiment, simplifies the overall structure of rotating mechanism, and practicality is good.

In the lower portion of top rotating shaft 111-A, same plane circumference uniform intervals set some for placing blank steel The glove bar 111-A7 of circle.

More than one back-moving spring for the internal model home position that resets is horizontally disposed with the face of cylinder of top rotating shaft 111-A 115, the back-moving spring 115 is annular in shape, and circle is in the periphery of rotating shaft 111 and by including the bag ring of internal model 114.Top rotating shaft 111-A's The annular groove 111- A1 for housing back-moving spring 115 of ring-type indent are also set up on the face of cylinder.As shown in Figure 11,12, it is The structural representation of internal model one, internal model 114 includes roller axle bed 1141, and more than one roller is arranged with roller axle bed 1141 1142 and the built-in bearing of correspondence, roller forms the inner surface configuration for being formed wheel rim；One is also arranged on roller axle bed 1141 Bearing pulley 1143 above, the set location of bearing pulley 1143 is corresponding with the horizontal level of the annular groove 111- A1, The depth of pulley grooves 1144 of bearing pulley 1143 is engaged with the depth of annular groove 111- A1, and back-moving spring 115 is placed in In annular groove 111- A1 and pulley grooves 1144.In the present embodiment, back-moving spring 115 is an extension spring, interlocks to form ring from beginning to end Shape；And an annular groove 111- A1, the upper and lower side of roller axle bed 1141 are respectively set up and down on the face of cylinder of top rotating shaft 111-A The bearing pulley 1143 of each grafting one, roller 1142 is located between two bearings pulley 1143, and back-moving spring is limited for each one jointly up and down Determine the movement of internal model.

When internal model is in original position, the back side 1145 of roller axle bed 1141 is contradicted in radial direction oil 111-A5 outlets, rolling The convex portion 1146 that setting is engaged with radial direction oil 111-A5 on the back side 1145 of axle block 1141, the insertion of convex portion 1146 is radially oily Road 111-A5 inner supports play internal model 114, and the radical length of convex portion 1146 is more than the ultimate range that internal model is moved radially, radial direction oil Piston 111-A6 is provided with 111-A5, roller axle bed is inconjunction with roller and is driven by the hydraulic oil in piston and oil duct to be made radially to move It is dynamic.Pressurization is oil-filled in oil duct during work in rotating shaft, promotes and moved outside piston 111-A6, so that it is whole to promote convex portion 1146 then to promote Individual internal model 114 is outwards moved radially, and back-moving spring 115 of the ring in the periphery of internal model 114 is set, with moving spring contacts outside internal model Branch opens, and when equipment spinning is finished, emptying, moves back in piston in oil duct, and the horizontal direction power for pushing internal model disappears, the bullet for opening Spring can shrink automatically, so as to drive internal model to retract to initial position, and need not manually push away mould go back to original position.

As shown in Fig. 5,15,16, the overall T-shaped column of rotating shaft supporting seat 112, the laterally projecting portion of rotating shaft supporting seat 112 1121 are divided to fix locking with workbench 13.Top and lower position that lower rotary shaft 111-B is in contact with rotating shaft supporting seat 112, Respectively wear a bearing 119.In the present embodiment, bearing 119 is cone bearing.Cone bearing energy will be suffered from rotating shaft supporting seat Pressure be decomposed into level inwardly with pressure straight up, horizontal inward pressure be predominant intermolecular forces, by bearing be inconjunction with turn Axle pressure shield in rotating shaft supporting seat, transfer to provide upward support force for rotating shaft, aids in rotating shaft supporting seat by pressure straight up Support rotating shaft, stability when further having ensured that rotating shaft rotates.

The middle part of rotating shaft supporting seat 112 is hollow, corresponding with number of bearings and position, size, and a bearing is respectively set up and down Accommodating blind hole 1122, the cavity cross section in rotating shaft supporting seat 112 is of a lateral H shape, is passed through for rotating shaft 111 and bearing 119.Bearing holds The diameter with diameter greater than the through axial bore 1123 passed through for rotating shaft of blind hole 1122 is put, the accommodating blind hole 1122 of bearing has side wall with horizontal stroke To step, the accommodating tool of blind hole 1122 of bearing on corresponding top has plenty of upper side wall 1124 and upper lateral step 1125, bottom The accommodating tool of blind hole 1122 of bearing has plenty of lower wall 1126 with lower lateral step 1127.The bearing 119 on top is taken and is placed on transverse direction On step 1125, upper lateral step is used to support the bearing on top, so as to prop up the rotating shaft being fixedly connected with bearing.Rotating shaft is in rotation During turning may up and down, left and right rock, now upper and lower side wall can limit rotating shaft left and right position and offset, and upper, lower horizontal The upper and lower position of rotating shaft can be limited to step to offset.So design, it is simple efficiently both to have propped up rotating shaft, also substantially increase and turn Stability when axle rotates.

The bottom of rotating shaft supporting seat 112 is additionally provided with flange plate 117, is screwed onto the bottom of rotating shaft supporting seat 112, flange plate 117 middle part perforation, pass through for lower rotary shaft 111-B.Lower rotary shaft 111-B exposes lower section the part of flange plate 117, is equipped with Sprocket wheel 111-B3, rotating shaft 111 is connected and transmission with rotating shaft drive mechanism 113 by chain.Using sprocket wheel and chain, rotating shaft is realized The synchronous driving of drive mechanism countershaft, is rotating shaft powered rotation.In the present embodiment, rotating shaft drive mechanism 113 includes electricity Machine 1131 and reductor 1132, are connected and transmission between motor 1131 and reductor 1132 by belt 1133.Spinning machine makes Need that rotating speed is slow, it is big to turn power the used time, and be that rotating speed is fast, it is small to turn power the characteristics of general motor, in documents CN203900324U Motor is substituted using hydraulic motor, technical problem is solved to a certain extent, but hydraulic motor cost is high, fragile, makes It is limited with cost performance.Used cooperatively with motor from reductor in the present embodiment, reduction uses rotating speed, correspondence improves revolving force Degree, and motor and reductor the market price be only several points of hydraulic motor one, saved equipment cost.In addition, slowing down The collocation of machine is used, so that it may is selected the less motor of the bodily form, and is forced to select high-power electricity without in order that turning power and reaching requirement Machine, power of motor more large volume is bigger, and shared production space is bigger.In the present embodiment, it is only necessary to place rotating shaft drive mechanism 113 In the bottom of workbench 13, the lower section of rotating shaft, without being placed on workbench outside, saves the device space, beneficial to workman behaviour Make.

As shown in Fig. 4,17-21, the steel ring positioner of spinning machine is arranged on the both sides of rotating mechanism 11, in workbench 13 The front and rear guidance set 123 be arrangeding in parallel is provided with sliding block 122, and the inner of sliding block 122 is a semi-cylindrical, is fixed with and rotation Internal model 114 coordinates outer end and the power set 124 of the external mold 121 to wheel rim shaping, sliding block 122 to be connected in mechanism 11, power Device 124 drives the sliding block 122 of the both sides of rotating mechanism 11 to be moved radially towards rotating mechanism 11 along guidance set 123, drives external mold 121 is close to each other to locking state, wherein, the locking face 1211 of the external mold 121 of side sets the locking groove 1212 of indent, with Corresponding opposite side external mold locking face 1211 set protrusion locking convex portion 1213, locking groove 1212 with locking convex portion 1213 shaped position corresponding matchings.

Locking groove 1212 is the vertical strip groove contour with external mold, and the locking shape of convex portion 1213 is corresponded to therewith.Design Locking groove 1212 is groove, the contact area of increase locking groove 1212 and locking convex portion 1213, mutual when making both buckles Between force dispersion face it is wider, the extent of damage of locking groove 1212 and locking convex portion 1213 can be reduced, extension accessory makes Use the life-span.In the present embodiment, locking groove 1212 section is trapezoidal, enlarging towards rotating mechanism 11, locking convex portion 1213 be with Corresponding trapezoidal convex portion.Trapezoidal mouth has certain guide effect, is docked with locking groove beneficial to locking convex portion and is clasped, And it is trapezoidal on former and later two directions to the locking limited location of convex portion 1213 effect, locking effect is more preferable.Lock the interior of groove 1212 Recessed depth is so locked convex portion and fully-inserted can be locked in groove more than the prominent length of locking convex portion 1213, and occlusion lock is tightly Effect is more preferable..

External mold 121 is fixed on sliding block 122, the bottom of the inner of sliding block 122 set it is prominent put die station rank 1221, it is corresponding External mold outer shroud lower end sets indent and puts mould tank 1214, puts mould tank 1214 and puts die station rank male-female engagement about 1221, outward Mould 121 places inner in sliding block 122.Used with the outside connected of adjacent external mold locking face 1211 the inner end 1222 of sliding block In the fixed block 1223 that external mold is fixed on sliding block the inner.The outer shroud of external mold 121 sets one and erects near the end of locking face 1211 Straight L-shaped breach-external mold breach 1215, the inner end 1222 of sliding block is also provided with a vertical L-shaped breach-sliding block breach 1224, when external mold 121 is placed on the inner of sliding block 122, external mold breach 1215 forms a whole fixed groove with sliding block breach 1224 1225, the fixed block 1223 in fixed groove 1225 described in holding.Fixed block 1225 is housed with the groove for caving in, would not be influenceed Contact between external mold locking face 1211, it is to avoid the identical effect of groove 1212 and locking convex portion 1213 is locked on influence locking face Really.Fixed block 1223 is fixed at sliding block breach 1224 with locking nut 1226, while external mold breach 1215 can be blocked, by external mold It is pressed in sliding block inner.Fixed block 1223 is not directly fixed with external mold locking face 1211, so that it may reduce the width of external mold breach 1215, So as to reduce to locking groove 1212 and the influence for designing width for locking convex portion 1213, such mounting design, using fixed block 1223 block external mold breach 1215, so that it may reach the fixed effect that external mold 121 loads in sliding block 122, design ingenious, install letter Easily.

Guidance set 123 in the present embodiment is by setting or combining the chute 1232 for being formed, sliding block 122 in locating piece 1231 Two ends are respectively clamped into chute 1232 and move radially.

The power set 124 that move radially of the sliding block 122 in the present embodiment refer to be hinged with to shake on the bearing of workbench Wall, the piston rod of one end and ACTUATOR for shaking wall is hinged, and the other end of ACTUATOR is hinged on the cylinder of cabinet leg seat, shakes wall The other end is hinged by hinge bearing rod with rocker bar bearing, and then the outer end of sliding block is connected on rocker bar bearing, and controller leads to Cross oil circuit in the ACTUATOR of hydraulicdirectional control valve control and enter out band successively and shake wall, hinge bearing rod and external mold along guidance set radially Towards rotating mechanism movement, drive external mold close to each other to locking state.

As shown in figure 4, the outside of sliding block 122 sets induction installation 125 in place, including sensing frame 1251 and inductor 1252, A sensing chip 1253 is fixedly connected on sliding block, 1253 contact induction device of sensing chip 1252 senses the situation in place of sliding block 122.This reality Apply in example, a sensing chip 1253 is connected with a sliding block 122, sensing chip 1253 is placed in a radial groove, and position is adjustable It is whole.One sensing chip 1253 pairs should have 2 inductors 1252, be respectively used to sense sliding block drive external mold movement locked position with Maximum separates position, the also adjustable position on sensing frame 1251 of inductor 1252, to adapt to produce the blank steel ring of different model, Range of application is wider.

Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore, it is all according to The equivalence changes that structure of the invention, shape, principle are done, all should cover within protection scope of the present invention.

Claims (10)

1. a kind of inner bearing type wheel rim spinning machine, including spinning system（1）, oil supply system（2）And control system（3）, wherein spinning System（1）Including rotating mechanism（11）, rotating mechanism（11）Including being located in workbench vertically（13）The rotating shaft at middle part（111）, In workbench（13）The rotating shaft of upper surface-top rotating shaft（111-A）More than one is provided at circumferentially spaced on the face of cylinder can radially move Dynamic internal model（114）, internal model（114）Profile for being molded wheel rim inwall upper and lower sides；Rotating mechanism（11）Both sides symmetrically set Have from the positioner mutually locked（12）, positioner（12）Inner side be fixed with and rotating mechanism（11）Upper internal model（114）Match somebody with somebody Close the external mold to wheel rim shaping（121）, rotating shaft（111）By workbench（13）The rotating shaft drive mechanism of lower section（113）Drive, Rotating shaft drive mechanism（13）, positioner（12）And the oil supply system of spinning machine（2）By control system（3）Control, it is special Levy and be, the top rotating shaft（111-A）The face of cylinder on be horizontally disposed with more than one for the answering of internal model home position of resetting Position spring（115）, the back-moving spring（115）Annularly, circle is in rotating shaft（111）Periphery and by internal model（114）Including Bao Huan.

2. inner bearing type wheel rim spinning machine as claimed in claim 1, it is characterised in that the top rotating shaft（111-A）Cylinder On face set ring-type indent for housing back-moving spring（115）Annular groove（111- A1）.

3. inner bearing type wheel rim spinning machine as claimed in claim 1, it is characterised in that the internal model（114）Including roller axle bed （1141）, roller axle bed（1141）On be arranged with more than one roller（1142）And the built-in bearing of correspondence, roller formation quilt It is molded the inner surface configuration of wheel rim；Roller axle bed（1141）On be also arranged more than one bearing pulley（1143）, bearing pulley （1143）Set location and the annular groove（111- A1）Horizontal level correspondence, bearing pulley（1143）Pulley ditch Groove（1144）Depth and annular groove（111- A1）Depth be engaged, back-moving spring（115）It is placed in annular groove（111- A1）And pulley grooves（1144）It is interior.

4. inner bearing type wheel rim spinning machine as claimed in claim 2 or claim 3, it is characterised in that the back-moving spring（115）It is a drawing Spring, interlocks to form ring-type from beginning to end.

5. inner bearing type wheel rim spinning machine as claimed in claim 4, it is characterised in that the roller axle bed（1141）Upper and lower side The bearing pulley of each grafting one（1143）, roller（1142）Positioned at two bearings pulley（1143）Between.

6. inner bearing type wheel rim spinning machine as claimed in claim 5, it is characterised in that the top rotating shaft（111-A）Cylinder It is each up and down on face that an annular groove is set（111- A1）, bearing pulley（1143）With annular groove（111- A1）Position it is relative Should.

7. inner bearing type wheel rim spinning machine as claimed in claim 1, it is characterised in that the top rotating shaft（111-A）Cylinder Circumferentially be interval with face some indents for housing internal model（114）Vertical internal model tank（111-A2）, top rotating shaft （111-A）The vertical top oil duct for inside setting（111-A4）, top oil duct（111-A4）With each internal model tank（111-A2）Between It is respectively equipped with radial direction oil（111-A5）, when internal model is in original position, roller axle bed（1141）The back side（1145）Contradict in footpath To oil duct（111-A5）In outlet, radial direction oil（111-A5）Inside it is provided with piston（111-A6）, roller axle bed is inconjunction with roller and leans on Hydraulic oil in piston and oil duct drives and moves radially.

8. inner bearing type wheel rim spinning machine as claimed in claim 7, it is characterised in that the roller axle bed（1141）The back side （1145）Upper setting and radial direction oil（111-A5）The convex portion being engaged（1146）, convex portion（1146）Insertion radial direction oil（111- A5）Inner support plays internal model（114）, convex portion（1146）Radical length more than the ultimate range that internal model is moved radially.

9. inner bearing type wheel rim spinning machine as claimed in claim 8, it is characterised in that the top oil duct（111-A4）With internal model Tank（111-A2）Between be arranged in parallel up and down the radial direction oil of more than two（111-A5）.

10. inner bearing type wheel rim spinning machine as claimed in claim 1, it is characterised in that the internal model（114）It is three, wherein Roller in internal model（1142）Profile and position can be different.