CN207205923U - A kind of front axle both ends clamp for machining - Google Patents

Abstract

The utility model provides a kind of front axle both ends clamp for machining, including be oppositely arranged preceding turntable, rear turntable, slab bridge for fixing two workpiece is installed between the preceding turntable, rear turntable, the preceding turntable, rear turntable control the slab bridge rotation, two different ends of two workpiece are in state to be processed on the slab bridge, and the kingpin bore centerline parallel at two workpiece ends to be processed is in cutter spindle center line.The utility model is realized to main pin holes of fore axis, lockpin hole and its rapid processing of end face, only need to be exchanged a station, just be machined the different workpiece in 2 both ends angle of inclination, hence it is evident that is improved production efficiency, is improved the qualification rate of product.

Description

A kind of front axle both ends clamp for machining

Technical field

The utility model belongs to machining equipment field, more particularly to a kind of front axle both ends clamp for machining.

Background technology

The processing of automobile front axle includes kingpin bore, the processing of lockpin hole and its processing of end face, existing process equipment according to It is secondary by rough mill kingpin bore upper and lower ends face, bore kingpin bore, boring car owner's pin-and-hole both ends of the surface and brill, hinge lockpin hole are completed, above-mentioned Process at least needs four equipment, main to include rough milling equipment, rig, boring vehicle device, drill reaming equipment, and per pass work Sequence is needed to change a fixture, and prior art is processed by 4 processes, the size requirement at product both ends is ultimately formed, due to needing Multiple clamping position, the skew of both ends kingpin bore is unstable, quality risk be present, also, be not effective to ensure that lockpin hole with The relative position of kingpin bore, therefore size fluctuation is big, final kingpin bore is big apart from size fluctuation with lockpin hole, generally ± 0.4mm or so, product qualification rate is low, only 70%-80%, and larger harmful effect is caused for the assembling of user.

Utility model content

In view of the above the shortcomings that prior art, the purpose of this utility model is to provide a kind of front axle both ends processed clip Tool, for solving front axle both ends kingpin bore in the prior art and needing during lock pin hole machined repeatedly to change fixture, both ends stub The skew in hole is unstable, the problems such as quality risk be present.

In order to achieve the above objects and other related objects, the utility model provides a kind of front axle both ends clamp for machining, including The preceding turntable that is oppositely arranged, rear turntable, are provided with the slab bridge for fixing two workpiece, institute between the preceding turntable, rear turntable State preceding turntable, rear turntable controls slab bridge rotation, two different ends of two workpiece are in shape to be processed on the slab bridge State, the kingpin bore centerline parallel at two workpiece ends to be processed is in cutter spindle center line.

Further, the clamping device for clamping workpiece, the clamping device bag are detachably installed on the slab bridge The pressing plate for clamping workpiece side and the location-plate for clamping workpiece opposite side are included, is provided with the slab bridge for controlling Make the corner cylinder of the pressing plate rotation and lifting.

Further, the clamping device includes being used to clamp the anterior front clamp device of workpiece, the front clamp device Before for clamping the front pressuring plate of the anterior upside of two workpiece and being respectively used to the first of two workpiece underside of forward of clamping Location-plate, the second prelocalization plate.

Further, the clamping device also includes being used for the rear fixture for clamping workpiece rear portion, and dress is clamped after described Put including for clamping the rear fender on the upside of two workpiece rear portions and being respectively used to clamp first on the downside of two workpiece rear portions Rear position plate, the second rear position plate.

Further, in addition to bottom plate, the preceding turntable, rear turntable are arranged on the bottom plate.

Further, it is provided with the slab bridge for pushing against the lateral Auxiliary support cylinder on the inside of workpiece.

Further, the model LC0652-C of the lateral Auxiliary support cylinder, the auxiliary of the lateral Auxiliary support cylinder On the inside of support bar linear advancement to workpiece pressing.

Further, the lateral hold-down cylinder being provided with the slab bridge on the outside of for workpiece pressing.

Further, the model HTB-SDMB63-25 of the lateral hold-down cylinder, the lateral compression of the lateral hold-down cylinder Plate is rotated to vertical compression workpiece, and when lateral pressure strip unclamps, rotation is extremely parallel with workpiece.

Further, the location-plate is provided with the groove parallel to workpiece major axis and the support positioned at groove both sides Plate, the positioning hole for positioning is additionally provided with the location-plate, location-plate is fixed on slab bridge by positioning hole by locking member, recessed Groove is provided with least one limiting through hole, and limiting through hole hole position corresponding with workpiece is corresponding, and the side of location-plate is provided with laterally Spacing hole, slab bridge are provided with hole position corresponding with the lateral Displacement hole.

As described above, a kind of front axle both ends clamp for machining of the present utility model, has the advantages that：The utility model Realize to main pin holes of fore axis, lockpin hole and its rapid processing of end face, only need to exchange a station, just machine 2 both ends The different workpiece in angle of inclination, hence it is evident that improve production efficiency, improve the qualification rate of product.

Brief description of the drawings

Fig. 1 is shown as the front axle both ends clamp for machining main structure diagram of the utility model embodiment.

Fig. 2 is shown as the front axle both ends clamp for machining overlooking the structure diagram of the utility model embodiment.

Fig. 3 is shown as Fig. 1 A-A cross section structure diagrams.

Fig. 4 is shown as the B portions enlarged drawing in Fig. 2.

Fig. 5 is shown as the structural representation of front axle product in the utility model embodiment.

Fig. 6 is shown as the structural representation of location-plate in the utility model embodiment.

Fig. 7 is shown as Fig. 6 left view.

Fig. 8 is shown as Fig. 6 top view.

Piece mark explanation

1-preceding turntable

2-bridge plate

3-front pressuring plate

4-the first prelocalization plate

5-rear fender

6-the first rear position plate

7-rear turntable

8-the second prelocalization plate

9-the second rear position plate

10-corner cylinder

11-bottom plate

12-lateral Auxiliary support cylinder

121-auxiliary support bar

13-lateral hold-down cylinder

131-lateral pressure strip

14-workpiece

141-kingpin bore

142-upper surface

143-lower surface

144-lockpin hole

15-positioning hole

16-lateral Displacement hole

17-limiting through hole

18-groove

19-supporting plate

Embodiment

Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the present utility model easily.

As shown in Figure 1-Figure 3, a kind of front axle both ends clamp for machining, including be oppositely arranged preceding turntable 1, rear turntable 7, it is described Slab bridge 2 for fixing two workpiece 14 is installed, the preceding turntable 1, rear turntable 7 control institute between preceding turntable 1, rear turntable 7 State slab bridge 2 to rotate, two different ends of two workpiece 14 are in state to be processed on the slab bridge 2, and two workpiece 14 are to be added The kingpin bore centerline parallel at work end is in cutter spindle center line.Preceding turntable 1, rear turntable 7 are provided with rotating device, slab bridge 2 Front end is arranged on preceding turntable 1, and rear end is arranged in rear turntable 7, according to technique needs, the synchronous rotation of preceding turntable 1, rear turntable 7 Turn, and then drive slab bridge 2 to rotate with so that kingpin bore, lockpin hole and its end face of workpiece 14 are processed, and only need to change One-time positioning, you can complete above-mentioned operation.In the present embodiment, two workpiece 14 are fixed on slab bridge 2, are treated on two workpiece 14 The stub centerline hole of one end and the centerline parallel of cutter spindle are processed, two workpiece 14 are located at the shaft centerline of slab bridge 2 Both sides, after the hole position of the complete one of workpiece 14 of tool sharpening, be moved at another 14 hole position to be processed of workpiece, to corresponding Hole position be processed, after the kingpin bore upper surface of workpiece 14 machines, slab bridge 2 around its shaft centerline rotate 180 °, two The kingpin bore lower end of workpiece 14 is face-up, realizes the processing to the lower surface of workpiece 14.

Clamping device for clamping workpiece 14 is detachably installed, the clamping device includes being used on the slab bridge 2 The pressing plate of the side of workpiece 14 and the location-plate for clamping the opposite side of workpiece 14 are clamped, is provided with the slab bridge 2 for controlling The corner cylinder 10 of pressing plate rotation and lifting is made, corner cylinder 10 can be obtained commercially, during pressing plate workpiece pressing, pressure The major axis of plate is perpendicular to the major axis of workpiece, and when being not required to workpiece pressing, pressing plate rises under the control of corner cylinder 10 and rotated to pressure Projection of the plate major axis parallel to workpiece major axis on bottom plate 11, is not in location conflicts.

As depicted in figs. 1 and 2, the clamping device includes being used to clamp the anterior front clamp device of workpiece 14 and being used for The rear fixture at the rear portion of workpiece 14 is clamped, the front clamp device includes being used for the preceding pressure for clamping the anterior upside of two workpiece 14 Plate 3 and the first prelocalization plate 4, the second prelocalization plate 8 for being respectively used to clamp two underside of forward of workpiece 14, are pressed from both sides after described Tight device includes the rear fender 5 being used on the upside of two rear portions of workpiece 14 of clamping and is respectively used to clamp under two rear portions of workpiece 14 The first rear position plate 6, the second rear position plate 9 of side, it is provided with the slab bridge 2 for controlling the front pressuring plate 3, rear fender 5 Rotation and the corner cylinder 10 of lifting.Front pressuring plate 3, rear fender 5 are pressed on the upper surface of two workpiece 14, the first prelocalization plate 4, Two prelocalization plates 8 clamp two anterior lower surfaces of workpiece 14, and the first rear position plate 6, the second rear position plate 9 clamp two workpiece The lower surface at 14 rear portions.It is front and rear clamping workpiece 14, it is possible to increase stability so that workpiece 14 is effectively clamped, will not slide or Release.In Fig. 1, the upper ends of two workpiece 14 is up and when be in state to be processed, outside workpiece 14 and horizontal plane into folder Angle is 6.25 °, and inner side workpiece 14 and horizontal plane angle are 5.5 ° (not expressing in figure), it is seen then that due to required processing hole position Angle of inclination it is different, the angle of inclination of two workpiece is also different.Certainly, according to the specification of workpiece 14 difference or be it His inclination angle.

Further, in addition to bottom plate 11, the preceding turntable 1, rear turntable 7 are arranged on the bottom plate 11, and bottom plate 11 rises The effect of turntable 1, rear turntable 7 before to support, slab bridge 2 is vacant state, in order to the rotation of workpiece.

As shown in Fig. 2 in the present embodiment, two workpiece 14 are parallel to be fixed on slab bridge 2, and two workpiece 14 are close to preceding turntable 1 position is front portion, and the position close to rear turntable 7 is rear portion, and front pressuring plate 3, the first prelocalization plate 4, the second prelocalization plate 8 press from both sides The front portion of clamping of workpieces 14, rear fender 5, the first rear position plate 6, the second rear position plate 9 clamp the rear portion of workpiece 14, two workpiece 14 For same specification, the rear end of the workpiece 14 in lower row and the front end in upper row's workpiece 14 are same specification ends, two in Fig. 2 Individual workpiece 14 is in state to be processed close to one end of rear turntable 7, after being processed to kingpin bore, lockpin hole and upper surface, preceding turntable 1st, rear turntable 7 drives two workpiece 14 to rotate 180 °, and lower surface is processed, and after terminating, preceding turntable 1, rear turntable 7 drive two Individual workpiece 14 rotates 180 ° so that workpiece 14 resets, and upper end is face-up, and staff is by the fixed station pair of two workpiece 14 Adjust, to timing, workpiece 14 rotates 180 ° in the horizontal plane so that the one end that will need to process is fixed on station to be processed On, you can carry out kingpin bore, lockpin hole and the processing of end face.

Lateral Auxiliary support cylinder 12 for pushing against the inner side of workpiece 14 is installed on the slab bridge 2.It is described in the present embodiment The model LC0652-C of lateral Auxiliary support cylinder 12, as shown in figure 4, the auxiliary support bar of the lateral Auxiliary support cylinder 12 On the inside of 121 linear advancements to workpiece pressing 14.As shown in Fig. 2 inner side herein refers to the adjacent side of two workpiece, outside Then it is proximate to the opposite side of 2 outer peripheral side of slab bridge, i.e. inner side.

Lateral hold-down cylinder 13 for the outside of workpiece pressing 14 is installed on the slab bridge 2, it is described lateral in the present embodiment The model HTB-SDMB63-25 of hold-down cylinder 13, the lateral pressure strip 131 of the lateral hold-down cylinder 13 are rotated to vertical compression work Part 14, when lateral pressure strip 131 unclamps, rotation is extremely parallel with workpiece 14.

As shown in Fig. 2 lateral Auxiliary support cylinder 12, lateral hold-down cylinder 13 coordinate, the interior outside of workpiece 14 is clamped, it is lateral auxiliary The position that shoring 12, lateral hold-down cylinder 13 compress is helped to play a part of stable workpiece 14 close to the side to be processed of workpiece 18, Effectively avoid that laterally offset occurs in processing.

It is illustrated in figure 5 the structural representation of workpiece 14, the workpiece 14 of the present embodiment is front axle, it is necessary to the position bag of processing Kingpin bore 141, upper surface 142, lower surface 143, lockpin hole 144 are included, the processing mode of legacy equipment is：1. rough mill kingpin bore 141 upper surface 142, lower surface 143；2. bore kingpin bore 141；3. the upper surface 142 of boring car owner pin-and-hole 141, lower surface 143, And coarse-fine boring kingpin bore 141；4. bore, hinge lockpin hole 144.Because the angle of inclination of product both ends kingpin bore 141 is different, it is necessary to will After the completion of the batch machining of product one end, then fixture angle is adjusted, carry out the processing of the other end, above-mentioned four procedure is, it is necessary to corresponding Four distinct devices, including rough mill equipment, rig, boring vehicle device, drill reaming equipment, and need to change per procedure Fixture.

As Figure 6-Figure 8, location-plate is provided with parallel to the groove 18 of the major axis of workpiece 14 and positioned at the both sides of groove 18 Supporting plate 19, two supporting plates 19 are parallel to each other, play a part of supporting workpiece 14 bottom surface, projection etc. is arranged at the bottom of workpiece 14 Structure, groove 18 are additionally provided with the positioning hole 15 for positioning it is possible to prevente effectively from location conflicts on location-plate, positioning hole 15 coordinates Bolt, location-plate is fixed on slab bridge 2, groove 18 is provided with least one limiting through hole 17, limiting through hole 17 and workpiece 14 Upper corresponding hole position is corresponding, by inserting the parts such as screw to limiting through hole 17, penetrates in the corresponding hole position of workpiece 14 so that work Part 14 is provided with lateral Displacement hole 16 by accurate limiting, the side of location-plate, and slab bridge 2 is provided with corresponding hole position, worn by screw Enter corresponding hole position on lateral Displacement hole 16 and slab bridge 2, realize lateralling secure for location-plate, further improve the steady of location-plate It is qualitative, it is preferable that the adjacent both sides of location-plate are equipped with lateral Displacement hole 16 so that location-plate is accurately fixed on slab bridge 2.

Location-plate includes the first prelocalization plate 4, the first rear position plate 6, the second prelocalization plate 8, the second rear position plate 9, respectively Location-plate angle of inclination is depending on product needs.It is used to support the surface of workpiece to cut processing by rubbing on location-plate so that its Inclination angle needs and different, the angle of inclination requirement of the location-plate adaptation different workpieces of different angle according to workpiece, fixed by changing Position plate, you can adapt to the work pieces process of different angle.

It is as follows using processing method of the present utility model：Two workpiece 14 are positioned on slab bridge 2, pass through pressing plate and positioning Plate distinguishes the upper side and lower side of workpiece pressing 14, before distinguishing workpiece 14 by lateral Auxiliary support cylinder 12 and lateral hold-down cylinder 13 Side and rear side, after workpiece 14 is clamped, two different ends of two workpiece 14 are in state to be processed, to be processed on workpiece 14 The stub centerline hole of one end and the centerline parallel of cutter spindle, enter to the kingpin bore of workpiece 14, upper surface and lockpin hole Row processing, after terminating, slab bridge 2 rotates 180 °, and the lower end of two workpiece 14 is face-up, then the lower surface is processed, and terminates Afterwards, slab bridge 2 rotates 180 ° again, and the upper surface of two workpiece 14 upward, the installation position of two workpiece 14 is exchanged, exchanged again Afterwards, the undressed end of two workpiece 14 is in state to be processed, carries out kingpin bore, upper surface, lockpin hole in the same manner And the processing of lower surface, obtain the processed front axle in kingpin bore, upper surface, lockpin hole and the lower surface at both ends.The party Method is different from conventional method, effectively reduces the number of workpiece transposition, also, only needs a fixture to complete to process, effectively Production cost is reduced, improves production efficiency.

In summary, effect of the present utility model mainly has：1st, the number of clamping workpiece positioning is reduced, reduces mismachining tolerance Accumulation；2nd, processing mode is simpler, and compared to existing processing mode, processing mode of the present utility model is fairly simple, novel, Using a numerical control device, a set of rolling clamp, by location-plate before and after quick-replaceable, adding for multi-angle product can be achieved with Work, both made logistics unobstructed, and can reaches the quality requirement of product；3rd, cut payroll to improve efficiency, reduce cost, the utility model can be at least Reduce operating personnel 1.5, mitigate the labor intensity 30% of operating personnel, product loss due to spoiled work also reduces 2%, and then reduces life Cost is produced, such as：Calculated according to a certain type products moon scrappage 2%, 1500 × 2% × 100 yuan=3000 yuan, year waste product About 3.6 ten thousand yuan of loss, nearly 3.6 ten thousand yuan of loss due to spoiled work is reduced equivalent to annual.

Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.

Claims (10)

1. A kind of 1. front axle both ends clamp for machining, it is characterised in that：Including be oppositely arranged preceding turntable (1), rear turntable (7), it is described Slab bridge (2) for fixing two workpiece (14) is installed between preceding turntable (1), rear turntable (7), the preceding turntable (1), turned afterwards Platform (7) controls slab bridge (2) rotation, and two different ends of upper two workpiece (14) of slab bridge (2) are in shape to be processed State, the kingpin bore centerline parallel at two workpiece (14) ends to be processed is in cutter spindle center line.
2. 2. front axle both ends according to claim 1 clamp for machining, it is characterised in that：Detachably installed on the slab bridge (2) There is the clamping device for clamping workpiece (14), the clamping device includes being used for the pressing plate and use for clamping workpiece (14) side In the location-plate for clamping workpiece (14) opposite side, it is provided with the slab bridge (2) for controlling the pressing plate to rotate and lifting Corner cylinder (10).
3. 3. front axle both ends according to claim 2 clamp for machining, it is characterised in that：The clamping device includes being used to clamp The anterior front clamp device of workpiece (14), the front clamp device include being used for the preceding pressure for clamping the anterior upside of two workpiece (14) Plate (3) and the first prelocalization plate (4), the second prelocalization plate (8) for being respectively used to clamp two workpiece (14) underside of forward.
4. 4. front axle both ends according to claim 2 clamp for machining, it is characterised in that：The clamping device also includes being used to press from both sides The rear fixture at clamping of workpieces (14) rear portion, the rear fixture are included after being used to clamp on the upside of two workpiece (14) rear portions Pressing plate (5) and the first rear position plate (6) being respectively used on the downside of two workpiece (14) rear portions of clamping, the second rear position plate (9).
5. 5. front axle both ends according to claim 1 clamp for machining, it is characterised in that：Also include bottom plate (11), the forward Platform (1), rear turntable (7) are arranged on the bottom plate (11).
6. 6. front axle both ends according to claim 1 clamp for machining, it is characterised in that：It is provided with and is used on the slab bridge (2) Push against the lateral Auxiliary support cylinder (12) on the inside of workpiece (14).
7. 7. front axle both ends according to claim 6 clamp for machining, it is characterised in that：The lateral Auxiliary support cylinder (12) Model LC0652-C, auxiliary support bar (121) linear advancement of the lateral Auxiliary support cylinder (12) to workpiece pressing (14) Inner side.
8. 8. front axle both ends according to claim 1 clamp for machining, it is characterised in that：It is provided with and is used on the slab bridge (2) Lateral hold-down cylinder (13) on the outside of workpiece pressing (14).
9. 9. front axle both ends according to claim 8 clamp for machining, it is characterised in that：The model of the lateral hold-down cylinder (13) For HTB-SDMB63-25, the lateral pressure strip (131) of the lateral hold-down cylinder (13) is rotated to vertical compression workpiece (14), side When being unclamped to pressure strip (131), rotation is extremely parallel with workpiece (14).
10. 10. front axle both ends according to claim 2 clamp for machining, it is characterised in that：The location-plate be provided with parallel to The groove (18) of workpiece (14) major axis and the supporting plate (19) positioned at groove (18) both sides, it is additionally provided with the location-plate and is used for Location-plate is fixed on slab bridge (2) by the positioning hole (15) of positioning, positioning hole (15) by locking member, and groove (18) is provided with extremely A few limiting through hole (17), limiting through hole (17) and corresponding hole position on workpiece (14) are corresponding, and the side of location-plate is provided with side To spacing hole (16), slab bridge 2 is provided with hole position corresponding with the lateral Displacement hole (16).