CN205914693U - Frock is rectified to side cut and heat of front axle - Google Patents

Abstract

The utility model relates to a frock is rectified to side cut and heat of front axle field especially relates to a side cut that is used for after the front axle forges and hot frock of rectifying. Including upper die base and die holder, still include side cut device and correcting unit, the side cut device sets up between upper die base and die holder, correcting unit is located one side of side cut device, the opposite side of side cut device still is provided with the thrust unit who is used for being pushed to the work piece by the side cut device correcting unit, one side of correcting unit is provided with and is used for promoting the resetting means that correcting unit closes and opens, the upper die base drives the side cut device down and cuts edge to the work piece during use to work piece after will being cut edge by thrust unit pushes in the correcting unit. The beneficial effects of the utility model are that: simple structure, overall arrangement compactness just can realize the side cut of front axle, the levelling and the alignment of front axle through a table oil press, and equipment less investment, easy operation make things convenient for, and degree of automation is high, is favorable to improving the production quality and the efficiency of product.

Description

The trimming of front axle and thermal recalibration frock

Technical field

This utility model is related to trimming and the thermal recalibration frock field of front axle, after more particularly to a kind of forging for front axle Trimming and thermal recalibration frock.

Background technology

The forging technology process of automobile front axle is followed successively by: sensing heating, roll forging, blocking, finish-forging, trimming, thermal recalibration, its In, front axle needs in thermal recalibration to be smoothed two planes up and down of the panel seat of front axle in addition it is also necessary to carry out to whole front axle Alignment.As shown in Figure 1 to Figure 3, front shaft-like work 10 is in timing, the correction that the smoothing in panel seat face 101 and workpiece alignment are applied Force direction is different, in timing, needs to be divided into two step operations and is respectively completed correction on two press, easily causes product Bulk exceedes the difference of permission, poor product quality.Front axle also needs to first carry out featherer's sequence, therefore, front axle before correction Trimming after forging, thermal recalibration need 3 press just can complete.In automated production, need to be equipped with mechanical hand or other Equipment completes workpiece transhipment between devices, and the distance due to transporting movement is longer, takes more, in actual production, often Often the reduction of meeting occurrence temperature is too fast, and thermal recalibration temperature can not effectively be ensured, affects the quality of product and the efficiency of correction, Meanwhile, equipment investment is many, floor space is big, high cost.

Utility model content

The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of trimming of front axle and heat Correcting tool, needs multiple stage press to process respectively for solving the trimming of front axle and correction in prior art, and front axle correction also needs To carry out step by step, equipment investment amount is big, workpiece mobile conveying inconvenience, impact processing correction mass, and correction efficiency is low, cost is high etc. Problem.

For achieving the above object and other related purposes, this utility model provides a kind of trimming of front axle and thermal recalibration work Dress, including upper bolster and die shoe, also includes trimming device and correcting unit, described trimming device is arranged on upper bolster and lower mould Between seat, described correcting unit is located at the side of trimming device, and the opposite side of described trimming device is additionally provided with for by workpiece Push the pushing meanss of correcting unit by trimming device to, the side of described correcting unit is provided with for promoting correcting unit to close With the resetting means opened；During use, upper bolster is descending drives trimming device to workpiece trimming, and by pushing meanss by after trimming Workpiece push in correcting unit.

The beneficial effects of the utility model are: structure is simple, compact in design, just enables front axle by a hydraulic press Trimming, the smoothing of front axle and alignment, equipment investment is few, simple to operation, high degree of automation, is conducive to improving the life of product Yield and quality and efficiency.

Further, described correcting unit includes correcting pressure head, dynamic model hold-down mechanism and is arranged on the correction on die shoe Cover half and correction dynamic model, correction pressure head and dynamic model hold-down mechanism are arranged on upper bolster, and upper bolster is descending to drive dynamic model compacting machine Structure promotes correction dynamic model transverse shifting and correction cover half matched moulds, the descending work pushed down in correction cover half and correction dynamic model of correction pressure head Part.

Further, described dynamic model hold-down mechanism includes guide pillar, nitrogen spring and wedge, and described nitrogen spring is with wedge even Connect, the outside of described correction dynamic model is provided with the inclined-plane with wedge cooperation, nitrogen spring promotes wedge to slide promotion correction along inclined-plane Dynamic model and correction cover half close and lock pressurize.

Beneficial effect using above-mentioned further scheme is: upper bolster is descending to drive dynamic model hold-down mechanism and correction pressure simultaneously Descending, during descending, dynamic model hold-down mechanism locks correction dynamic model and correction cover half first it is ensured that correction dynamic model and correction Cover half is of completely closed, and gives wedge precompression by nitrogen spring it is ensured that correction dynamic model and correction cover half position are fixed and produced The certain side force of life it is achieved that the lateral alignment of workpiece, simultaneously prevented also from timing because unbalance loading leads to hydraulic jack unstability； Push down workpiece termination, panel seat and middle part with post-equalization pressure head is simultaneously descending, this topology layout compact and reasonable, stable, operation Simply, improve correction efficiency and the quality of workpiece.

Further, the two ends of described correction cover half and correction dynamic model are connected by connecting guider, and pushing meanss promote Workpiece falls on connection guider, and correction dynamic model passes through to connect guider guiding movement and correction cover half matched moulds corrects work Part.

Further, the described guider that connects includes connecting the guiding element block of traveller and support workpiece, and guiding element block is arranged on even Connect on traveller, the two ends connecting traveller are respectively protruding into correction cover half and the medial wall of correction dynamic model, and with correction cover half and correction Dynamic model gap coordinates, and the restricted end closure connecting traveller disengaging correction cover half and correction dynamic model is installed at the two ends connecting traveller Plate.

Beneficial effect using above-mentioned further scheme is: the two ends of correction cover half and correction dynamic model are provided with and are connected traveller The chamber of cooperation, connects traveller with chamber gap cooperation so that correction dynamic model can move axially along being connected traveller, it is to avoid close Deviation in mould, and avoids correction dynamic model mold can with correction cover half disengaging but fully by connecting guider, favorably Drop on guiding element block in workpiece, limit the displacement of correction dynamic model simultaneously.

Further, described correction cover half and correction dynamic model are provided with and the termination chamber of work pieces mate, panel seat chamber and intermediate cavity, institute State panel seat intracavity and be embedded with the insert consistent with panel seat model, described correction pressure head include respectively with termination chamber, panel seat chamber and in Between the termination pressure head of chamber cooperation, panel seat pressure head and middle pressure head, described termination pressure head, panel seat pressure head and middle pressure head are pushed down respectively The termination of workpiece, panel seat and middle part.

Beneficial effect using above-mentioned further scheme is: setting insert is conducive to changing wearing terrain, improves panel seat and puts down The correction mass in face；Setting and each corresponding pressure head in correction position, push down termination, panel seat and the middle part of workpiece simultaneously, realize Synchronous smoothing and alignment, improve correction mass and efficiency.

Further, described trimming device includes trim die and is arranged on the trimming punch of upper bolster, and trim die passes through Female mold support mechanism is arranged on die shoe, and the die shoe below female mold support mechanism is provided with guide rail, and workpiece passes through trimming Fall into guide rail after the descending trimming of punch, and promote workpiece to fall in correcting unit along guide rail movement by pushing meanss.

Further, respectively positioned at the two ends of guide rail, workpiece falls into guide rail, pushing meanss for described pushing meanss and correction cover half Workpiece is promoted to fall between correction cover half and correction dynamic model along guide rail movement.

Further, described resetting means is push cylinder, and the push rod of resetting means passes through bindiny mechanism with correction dynamic model even Connect, and carry dynamic(al) correction dynamic model to move horizontally.

Further, described pushing meanss are push cylinder, and the push rod of pushing meanss is provided with ejector, and ejector is pacified Equipped with limiting the anti-bull stick that ejector rotates, push rod drives ejector to promote workpiece to move.

Beneficial effect using above-mentioned further scheme is: automatically falls into after workpiece trimming on guide rail, by pushing meanss Workpiece is promoted to fall in correcting unit along guide rail movement, topology layout is compact, and displacement is short, high degree of automation, operation Simple and convenient, be conducive to improving correction mass and efficiency, setting simultaneously possesses the anti-bull stick of guide function, it is to avoid when promoting workpiece Workpiece misplaces, and improves accuracy；Resetting means adopts push cylinder, runs simple and stable so that correction dynamic model can reset Move horizontally under the drive of device.

Brief description

Fig. 1 is the front view of workpiece front axle timing stress；

Fig. 2 is a of Fig. 1 to enlarged diagram；

Fig. 3 is the top view of workpiece front axle timing stress；

Fig. 4 is the trimming of this utility model front axle and the structural representation of thermal recalibration frock matched moulds state；

Fig. 5 is the trimming of this utility model front axle and the sectional view of thermal recalibration frock die opening state；

Fig. 6 is the side view of the dynamic model hold-down mechanism of the trimming of this utility model front axle and thermal recalibration frock；

Fig. 7 is the trimming of this utility model front axle and thermal recalibration frock unloads the structural representation after upper bolster；

Fig. 8 is the trimming of this utility model front axle and the operating diagram of thermal recalibration frock promotion workpiece；

Fig. 9 is the trimming of this utility model front axle and the structural representation of thermal recalibration frock upper bolster；

Figure 10 is the trimming of this utility model front axle and the structural representation of thermal recalibration frock correcting unit；

Figure 11 is the trimming of this utility model front axle and the operating diagram of thermal recalibration frock correction pressure head；

Figure 12 is the trimming of this utility model front axle and the structural representation of thermal recalibration frock correction cover half；

Figure 13 is the trimming of this utility model front axle and the structural representation of thermal recalibration frock connection guider.

Piece mark explanation

1 upper bolster,

2 trimming devices,

21 trimming punch,

22 trimming strippers,

23 trim dies,

24 female mold support mechanisms,

241 cavitys,

3 die shoes,

4 press,

5 correcting units,

51 dynamic model hold-down mechanisms,

511 guide pillars,

512 nitrogen springs,

513 wedges,

52 correction pressure heads,

521 termination pressure heads,

522 panel seat pressure heads,

523 middle pressure heads,

53 correction dynamic models,

531 cell bodies,

54 correction cover half,

55 connection guiders,

551 connection travellers,

552 guiding element blocks,

553 termination cover plates,

56 chambers,

6 resetting means,

61 bindiny mechanisms,

7 pushing meanss,

71 ejectors,

72 anti-bull sticks,

8 guide rails,

9 inserts,

10 workpiece,

101 panel seats.

Specific embodiment

Below by way of particular specific embodiment, embodiment of the present utility model is described, those skilled in the art can be by this Content disclosed by description understands other advantages of the present utility model and effect easily.This utility model can also be by another Outer different specific embodiment is carried out or applies, and the every details in this specification based on different viewpoints and can also be answered With carrying out various modifications and changes under without departing from spirit of the present utility model.

It should be noted that in this specification cited as " on ", D score, "left", "right", " middle " and " one " etc. Term, is merely convenient to understanding of narration, and is not used to limit the enforceable scope of this utility model, the change of its relativeness Or adjustment, under no essence change technology contents, when being also considered as the enforceable category of this utility model.

Before this utility model embodiment is described in detail, first applied environment of the present utility model is retouched State.Technology of the present utility model is mainly applied to trimming and thermal recalibration operation after workpiece forging, is especially applicable to front axle Trimming after workpiece forging and thermal recalibration.This utility model is to solve front axle after forging, and trimming and thermal recalibration need using not With press operated, and front axle is in thermal recalibration operation, because the position Impact direction of front axle correction is incomplete same, Need substep to carry out, thus complete trimming and correction 3 press of needs of front axle, number of devices is big, and travelling workpiece is in different pressures On machine, processing affects the correction mass of workpiece step by step.

As shown in figure 4, the trimming of front axle of the present utility model and thermal recalibration frock, including upper bolster 1 and die shoe 3, under Die holder 3 is arranged on the workbench of press 4, and upper bolster 1 is located at the surface of die shoe 3, and upper bolster 1 is realized up and down by press Movement completes the folding mould with die shoe 3.Also include trimming device 2 and correcting unit 5, trimming device 2 is arranged on upper bolster 1 He Between die shoe 3, correcting unit 5 is located at the side of trimming device 2, and the opposite side of trimming device 2 is additionally provided with for by workpiece Push the pushing meanss 7 of correcting unit 5 by trimming device 2 to, the side of correcting unit 5 is provided with for promoting correcting unit 5 to close Resetting means 6 that is upper and opening.In the present embodiment, trimming device 2 and correcting unit 5 are installed in upper bolster 1 and die shoe 3 Between, when being conducive to upper bolster 1 to run, correcting unit 5 and trimming device 2 can run simultaneously, and improve efficiency.During use, on Die holder 1 is descending to drive trimming device 2 to workpiece 10 trimming, and then upper bolster 1 is up, and resetting means 6 pulls open the school of correcting unit 5 Positive dynamic model 53, the workpiece 10 after trimming is pushed in correcting unit 5 by pushing meanss 7, and resetting means 6 Level Promoting corrects dynamic model 53 Close with the correction cover half 54 of correcting unit 5, upper bolster 1 is descending to drive correcting unit 5 calibration of workpieces.Resetting means 6 and correction Device 5 connects, and correcting unit 5 drives correcting unit 5 to open reset by resetting means 6 after completing matched moulds, and resetting means 6 is to push away Draw oil cylinder.Resetting means 6 is arranged on the side wall of press 4, and the push rod of resetting means 6 passes through bindiny mechanism 61 and correction dynamic model 53 Connect, correction dynamic model 53 two ends are respectively connected with resetting means 6 so that correction dynamic model 53 can stably reset, and resetting means 6 passes through Bindiny mechanism 61 band dynamic(al) correction dynamic model 53 moves horizontally.When correcting unit 5 needs matched moulds, first pass through resetting means 6 and promote correction Dynamic model 53 moves to specified location, then provides enough power to make to correct dynamic model 53 and correction cover half by dynamic model hold-down mechanism 51 54 abundant matched moulds；When correcting unit 5 needs to open reset, resetting means 6 band dynamic(al) correction dynamic model 53 is away from correction cover half 54 simultaneously Spacing by the groove wall of die shoe 4.

As shown in Fig. 4 to Fig. 8, trimming device 2 includes trim die 23 and is arranged on the trimming punch 21 of upper bolster 1, cuts Side stripper 22, trimming punch 21 is arranged on upper bolster 1 by backing plate, and trimming stripper 22 is fixedly connected with backing plate, trimming Punch 21 passes through trimming stripper 22, and trimming stripper 22 is used for pushing down and lay down the overlap of workpiece.Trim die 23 passes through recessed Mould supporting mechanism 24 is arranged on die shoe 3, and female mold support mechanism 24 includes lateral support and crossbeam, and the top of crossbeam is higher than side Face supports, and trim die 23 is arranged on crossbeam and lateral support, and by crossbeam exceed lateral support position recessed to trimming Mould 23 carries out spacing, is easy to accurately assemble installation.Female mold support mechanism 24 is internally formed cavity 241, at trim die 23 blanking Connect with cavity 241, the die shoe 3 of female mold support mechanism 24 lower section is provided with guide rail 8, guide rail 8 is located in cavity 241.Push away Dynamic device 7 and correction cover half 54 are located at the two ends of guide rail 8 respectively, trimming device 2 be arranged on correction cover half 54 against die shoe 3 Top, trimming device 2 be higher than correction cover half 54, the top of guide rail 8 with correct cover half 54 overhead height close so that workpiece falls After entering guide rail 8, when pushing meanss 7 promotion workpiece moves to the top of correction cover half 54 along guide rail 8, workpiece is under its natural gravity Upset falls in the guiding element block 552 between correction cover half 54 and correction dynamic model 53, is easy to accurate automation mechanized operation.Workpiece trimming When, front axle is placed on trim die 23, and press 4 drives upper bolster 1 to move downward, and trimming stripper 22 pushes down flying of front axle Side, trimming punch 21 contact workpiece moves downward pressure, is separated front axle with overlap by the cutting edge of trim die 23, workpiece falls Enter on lower square guide rail 8, pushing meanss 7 promote workpiece to fall in correcting unit along guide rail 8 movement.

As shown in Figure 7 and Figure 8, pushing meanss 7 adopt hydraulic cylinder, and pushing meanss 7 are push cylinder in the present embodiment.Push away Dynamic device 7 is arranged on the medial wall of press 4, and the push rod of pushing meanss 7 is provided with ejector 71, and ejector 71 is provided with two Individual push bracket, has spacing between two push bracket, push bracket is contacted with workpiece 10 so that the distribution of workpiece uniform force, is conducive to workpiece Stably translational, it is to avoid movable inclined off normal.The anti-bull stick 72 that restricted ejector 71 rotates, anti-bull stick 72 are installed on ejector 71 One end be fixedly connected with ejector 71, the other end of anti-bull stick 72 stretches in the side wall of press 4, and anti-bull stick 72 can be along its axle To flexible, ejector 71 is symmetrically connected with two anti-bull sticks 72, anti-bull stick 72 is set and is conducive to ejector 71 steadily to promote work Part 10.Guide rail 8 is equipped with workpiece 10, and guide rail 8 is provided with four supports, and the panel seat 101 of workpiece 10 is located between two supports, When workpiece falls into guide rail 8, the end that guide rail 8 shifted onto by workpiece is entered correction cover half near ejector 71, ejector 71 by panel seat 101 During 54 top, workpiece 10 left side gravity relatively defecate upset fall into so that panel seat 101 upward, simple to operation, mobile stable, Displacement is short, advantageously ensures that product quality.

As shown in Figure 4 and Figure 5, correcting unit 5 includes correcting pressure head 52, dynamic model hold-down mechanism 51 and is arranged on lower mould The correction cover half 54 of seat 3 and correction dynamic model 53, die shoe 3 is provided with groove, and key and key are passed through with correction cover half 54 in this groove side Groove positions, and is fixed by screw, connects, and correction dynamic model 53 is just to setting and another interior by groove with correction cover half 54 Side is spacing.Correction pressure head 52 and dynamic model hold-down mechanism 51 are arranged on upper bolster 1, and upper bolster 1 is descending to drive dynamic model compacting machine Structure 51 promotes correction dynamic model 53 to move horizontally with to correct cover half 54 of completely closed, makes correction dynamic model by dynamic model hold-down mechanism 51 53 are locked it is ensured that both close with correction cover half 54, and give to correct the certain side force alignment workpiece of dynamic model 53；Correction pressure head The 52 descending workpiece pushed down in correction cover half 54 and correction dynamic model 53, carry out the alignment of workpiece and the smoothing in panel seat face.

As shown in Figure 5 and Figure 6, dynamic model hold-down mechanism 51 includes guide pillar 511, nitrogen spring 512 and wedge 513, nitrogen bullet The lower end of spring 512 is connected with wedge 513 by backing plate, and the upper end of nitrogen spring 512 is arranged on upper bolster 1 by backing plate, leads Post 511 is arranged between two pieces of backing plates, and the upper end of guide pillar 511 is fixedly connected with backing plate, the lower end of guide pillar 511 pass through backing plate and with The cooperation of backing plate gap is so that nitrogen spring 512 compression is guided when promoting wedge 513 downward movement.As shown in figure 12, correct The outside of dynamic model 53 is provided with cell body 531, and the bottom surface of cell body 531 is the inclined-plane 5 with wedge 513 cooperation, and nitrogen spring 512 compression pushes away Dynamic wedge 513 is axially descending along guide pillar 511, the inclined-plane of wedge 513 fit cell body 531 inclined-plane slide promotion correction dynamic model 53 with Correct cover half 54 of completely closed, and give precompression and carry out pressurize, prevent timing correction dynamic model 53 from loosening, this structure is run flat Delaying stably makes workpiece progressively be corrected.

As shown in Fig. 5, Fig. 7 to Figure 13, the two ends of correction cover half 54 and correction dynamic model 53 are passed through to connect guider 55 even Connect, pushing meanss 7 promote workpiece to fall on connection guider 55, and correction dynamic model 53 passes through to connect guider 55 guiding movement With correction cover half 54 matched moulds calibration of workpieces.As shown in figure 13, connect guider 55 to include connecting traveller 551 and support workpiece Guiding element block 552, guiding element block 552 is fixedly mounted on by screw on the side wall connecting traveller 551.Correction cover half 54 and correction dynamic model Chamber 56 is correspondingly provided with the two ends of 53 side walls, the two ends connecting traveller 551 are respectively protruding into correction cover half 54 and correction dynamic model 53 In the chamber 56 of medial wall, and gap is adopted to coordinate with chamber 56, connecting traveller 551 can move back and forth in chamber 56, connect The two ends of traveller 551 are installed the restricted traveller 551 that connects and are departed from correction cover half 54 and the termination cover plate 553 of correction dynamic model 53, end Epicranial plate 553 is fixed by screws in the end connecting traveller 551, is joined with termination cover plate 553 by the ladder within chamber 56 Close and limit the moving range connecting traveller 551.When correction dynamic model 53 is fully opened with correction cover half 54, workpiece falls into, workpiece 10 Two ends drop on guiding element block 552, the two ends of workpiece are supported by guiding element block 552, correction dynamic model 53 motion with correction cover half 54 matched moulds carry out workpiece correction.Guiding, a side is connected by connecting guider 55 between correction dynamic model 53 and correction cover half 54 Face is conducive to the accuracy moving during correcting unit 5 matched moulds, has the effect of guide and limit；On the other hand avoid correcting dynamic model 53 Completely disengage from correction cover half 54, when workpiece 10 falls into, can accurately catch workpiece, support workpiece, accuracy is high, operation letter Single, be conducive to improving the quality of workpiece correction.

As shown in Fig. 9 to Figure 12, correction cover half 54 and correction dynamic model 53 are provided with the termination chamber coordinating with workpiece 10, panel seat chamber And intermediate cavity, panel seat intracavity is embedded with the insert 9 consistent with panel seat 101 model, and insert 9 is conducive to changing mill using setting-in mode The insert damaged, improves correction mass, extends die life.Correction pressure head 52 includes the termination pressure head with the cooperation of termination chamber 521 and panel seat chamber cooperation panel seat pressure head 522 and intermediate cavity cooperation middle pressure head 523.Timing, two termination pressure heads 521 terminations pushing down workpiece two ends, two panel seat pressure heads 522 push down two panel seats 101 of workpiece, and middle pressure head 523 pushes down work The middle part of part.When guiding element block 552 support installation is passed through at the two ends of workpiece 10, correction dynamic model 53 transverse movement is closed with correction cover half 54 So that workpiece 10 carries out alignment correction in correction intracavity, correction pressure head 52 pushes and stretches into corresponding correction intracavity and push down workpiece mould, Workpiece is carried out smooth, alignment.

Its work process is:

1st, after workpiece completes finish-forging, workpiece is placed on trim die 23；

2nd, press 4 operation drive upper bolster 1 is descending, and to workpiece trimming, workpiece falls on guide rail 8 trimming device 2, now school Equipment 5 can run and once correct, but do not place workpiece at present in correcting unit 5；

3rd, press 4 drive upper bolster 1 is up, and the overlap on trim die 23 taken away by outside mechanical hand, and resetting means 6 runs Pull correction dynamic model 53 away from correction cover half 54 realize die sinking, simultaneously band be dynamically connected traveller 551, guiding element block 552 and workpiece 10 to Initial position；

4th, pushing meanss 7 are run, and promote workpiece 10 to move along guide rail 8 and drop on guiding element block 552, pushing meanss 7 are moved Reset；

5th, resetting means 6 runs band dynamic(al) correction dynamic model 53 and correction cover half 54 matched moulds；

6th, press 4 drives upper bolster 1 descending, and wedge 513 arrives first at specified location, contact correction dynamic model 53 outside cell body 531 inclined-plane, the positive dynamic model of high-ranking officers 53 is fitted with correction cover half 54 compression, upper bolster 1 Continued downward motion, and nitrogen spring 512 is pressed Contracting, provides enough strength to ensure the closure of correction dynamic model 53 and correction cover half 54 for wedge 513, correction pressure head 52 reaches specifies Position, extrudes workpiece, realizes product correction；

7th, press 4 drives upper bolster 1 up, and resetting means 6 runs band dynamic(al) correction dynamic model 53 away from correcting cover half 54, simultaneously Band is dynamically connected traveller 551, guiding element block 552 and workpiece 10 to initial position, and outside mechanical hand stretches into takes product away, completes once school Direct circulation.During non-circulate operation first, in step 4, workpiece 10 is pushed after reset by pushing meanss 7, just can be Put into new workpiece on trim die 23, realize trimming, correction step-by-step operation, improve correction efficiency.

This utility model passes through using rational topology layout so that all parts compact in design, by a press just Trimming and the correction of front axle can be completed, it is to avoid the long-distance transportation of workpiece, the smoothing of workpiece, alignment are realized using a step operation, Improve product quality, product quality is stable, simple to operation, equipment investment is less, reduces cost, improve production effect Rate.

Examples detailed above only illustrative principle of the present utility model and its effect, not for restriction this utility model. Any person skilled in the art all can modify to above-described embodiment without prejudice under spirit and the scope of the present utility model Or change.Therefore, such as those of ordinary skill in the art without departing from the spirit disclosed in this utility model with All equivalent modifications being completed under technological thought or change, must be covered by claim of the present utility model.

Claims (10)

1. a kind of trimming of front axle and thermal recalibration frock, including upper bolster and die shoe it is characterised in that also including trimming device And correcting unit, described trimming device is arranged between upper bolster and die shoe, and described correcting unit is located at the one of trimming device Side, the opposite side of described trimming device is additionally provided with the pushing meanss for workpiece is pushed to correcting unit by trimming device, institute The side stating correcting unit is provided with the resetting means for promoting correcting unit to close and to open；During work, upper bolster is descending Drive trimming device to workpiece trimming, and pushed the workpiece after trimming in correcting unit by pushing meanss.

2. the trimming of front axle according to claim 1 and thermal recalibration frock are it is characterised in that described correcting unit includes school Positive pressure head, dynamic model hold-down mechanism and be arranged on correction cover half on die shoe and correction dynamic model, correction pressure head and dynamic model compression Mechanism is arranged on upper bolster, and upper bolster is descending to drive dynamic model hold-down mechanism to promote correction dynamic model transverse shifting to close with correction cover half Mould, the descending workpiece pushed down in correction cover half and correction dynamic model of correction pressure head.

3. the trimming of front axle according to claim 2 and thermal recalibration frock are it is characterised in that described dynamic model hold-down mechanism bag Include guide pillar, nitrogen spring and wedge, described nitrogen spring is connected with wedge, the outside of described correction dynamic model is provided with and wedge cooperation Inclined-plane, nitrogen spring promote wedge along inclined-plane slide promotion correction dynamic model and correction cover half close and lock pressurize.

4. the trimming of front axle according to claim 2 and thermal recalibration frock are it is characterised in that described correction cover half and correction The two ends of dynamic model are passed through to connect guider connection, and pushing meanss promote workpiece to fall on connection guider, and correction dynamic model leads to Cross connection guider guiding movement and correction cover half matched moulds.

5. the trimming of front axle according to claim 4 and thermal recalibration frock are it is characterised in that described connection guider bag Include the guiding element block connecting traveller and supporting workpiece, guiding element block is arranged on connection traveller, and the two ends connecting traveller are respectively protruding into school Just cover half and the medial wall correcting dynamic model, and coordinate with correction cover half and correction dynamic model gap, the two ends connecting traveller are provided with Limit and connect the termination cover plate that traveller departs from correction cover half and correction dynamic model.

6. the trimming of front axle according to claim 2 and thermal recalibration frock are it is characterised in that described correction cover half and correction Dynamic model is provided with and the termination chamber of work pieces mate, panel seat chamber and intermediate cavity, and described panel seat intracavity is embedded with consistent with panel seat model Insert, described correction pressure head includes termination pressure head, panel seat pressure head and the centre coordinating respectively with termination chamber, panel seat chamber and intermediate cavity Pressure head, described termination pressure head, panel seat pressure head and middle pressure head push down termination, panel seat and the middle part of workpiece respectively.

7. the trimming of front axle according to claim 2 and thermal recalibration frock are it is characterised in that described trimming device includes cutting Edge die and the trimming punch being arranged on upper bolster, trim die is arranged on die shoe by female mold support mechanism, and die props up Guide rail is provided with the die shoe below support mechanism, workpiece falls into guide rail after the descending trimming of trimming punch, and by promoting Device promotes workpiece to fall in correcting unit along guide rail movement.

8. the trimming of front axle according to claim 7 and thermal recalibration frock are it is characterised in that described pushing meanss and correction Cover half is located at the two ends of guide rail respectively, and workpiece falls into guide rail, pushing meanss promote workpiece along guide rail movement fall into correction cover half and Between correction dynamic model.

9. the trimming of front axle according to claim 2 and thermal recalibration frock are it is characterised in that described resetting means is push-and-pull Oil cylinder, the push rod of resetting means is passed through bindiny mechanism and is connected with correction dynamic model, and carries dynamic(al) correction dynamic model to move horizontally.

10. the trimming of front axle according to claim 1 and thermal recalibration frock are it is characterised in that described pushing meanss are to push away Draw oil cylinder, the push rod of pushing meanss is provided with ejector, ejector is installed the anti-bull stick that restricted ejector rotates, push rod Ejector is driven to promote workpiece to move.