CN213703212U

CN213703212U - Positioning device for assembling air suspension plate spring

Info

Publication number: CN213703212U
Application number: CN202022490686.0U
Authority: CN
Inventors: 吴志强; 欧阳光照; 张颐键; 许立鑫; 侯春生
Original assignee: Guangdong Fuwa Heavy Industry Co Ltd
Current assignee: Guangdong Fuwa Heavy Industry Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-16
Anticipated expiration: 2030-11-02

Abstract

The positioning device for assembling the air suspension plate spring comprises a base, two axle positioning assemblies and a plate spring positioning assembly; the axle positioning component comprises a supporting seat and a positioning seat; the plate spring positioning assembly comprises a mounting seat, a movable plate, a lifting mechanism used for driving the movable plate to move in the height direction of the base, a mounting plate mounted on the movable plate, a driving unit used for driving the mounting plate to move along the width direction of the base, two oppositely-arranged clamping blocks and a first driving piece, wherein the two clamping blocks are mounted on the mounting plate and can slide relative to the mounting plate along the length direction of the base, the power output end of the first driving piece is connected onto one clamping block, each clamping block is fixedly provided with a first rack with an extending direction consistent with the length direction of the base, a first gear positioned between the two first racks is pivoted on the mounting plate, and the two first racks are respectively meshed with the two sides of the first gear. The utility model provides the high precision and the efficiency of location have improved the assembly efficiency of axletree.

Description

Positioning device for assembling air suspension plate spring

Technical Field

The utility model relates to a machining technology field, concretely relates to positioner of air suspension leaf spring assembly.

Background

The air suspension leaf spring is usually fixed on an axle, and the installation position of the leaf spring in the axial direction of the axle and the installation angle of the leaf spring in the circumferential direction of the axle need to be accurately positioned; the existing positioning device is used for positioning the axle and the plate spring respectively, the actual size obtained by measurement is compared with the design size, the position of the plate spring is adjusted, the plate spring is consistent with the design size at the axial position of the axle, when the matching angle of the plate spring and the axle is adjusted, the clamp for fixing the plate spring needs to be integrally rotated, the matching angle of the plate spring and the axle is adjusted, the positioning process is complex, and the assembly efficiency of the axle assembly is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a positioner of air suspension leaf spring assembly, its positioning accuracy that can improve leaf spring and axletree has improved the efficiency of location to prior art not enough, the utility model aims at providing a.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the positioning device for assembling the air suspension plate spring comprises a base, two axle positioning assemblies respectively arranged at two ends of the base and a plate spring positioning assembly positioned on one side of the base;

the axle positioning assembly comprises a supporting seat and a positioning seat positioned on the outer side of the supporting seat, two oppositely arranged supporting surfaces are arranged on the supporting seat, a V-shaped positioning groove is formed between the two supporting surfaces, and a pressing block for propping the end part of the axle is arranged on the positioning seat;

the plate spring positioning assembly comprises a mounting seat fixed on the base, a movable plate located above the base, a lifting mechanism used for driving the movable plate to move relative to the mounting seat in the height direction of the base, a mounting plate mounted on the movable plate, a driving unit used for driving the mounting plate to move along the width direction of the base, two oppositely-arranged clamping blocks and a first driving piece, wherein the two clamping blocks are mounted on the mounting plate and can slide relative to the mounting plate along the length direction of the base, the power output end of the first driving piece is connected to one of the clamping blocks, each clamping block is fixedly provided with a first rack with an extending direction consistent with the length direction of the base, a first gear located between the two first racks is pivoted on the mounting plate, and the two first racks are respectively meshed with two sides of the first gear.

Elevating system includes the fixed cover that the direction of height of axial and base is unanimous, the movable sleeve of fixed cover outside is established to the cover of activity, the first lead screw that extends along base direction of height, establish the first lead screw outside and with movable sleeve fixed connection's first nut with screw-thread fit's mode cover, the bottom portion fixed connection of fixed cover is on the mount pad, fly leaf fixed connection is in the top portion of movable sleeve, first lead screw is located fixed cover and with fixed cover pivot cooperation, be provided with the guide way that extends along the direction of height on the fixed cover, the gliding embedding of first nut is put at this guide way.

The guide groove is a through groove arranged on the side wall of the fixed sleeve, a connecting part extending outwards in the radial direction is arranged on the first nut, and the connecting part penetrates through the guide groove and then is fixedly connected with the movable sleeve.

A bearing seat is installed at the top of the fixed sleeve, the first screw rod is connected in the bearing seat in a penetrating mode, a thrust bearing is installed between the first screw rod and the bearing seat, and the outer peripheral face of the bearing seat is in sliding fit with the inner surface of the movable sleeve.

The mounting panel includes mounting panel, the last mounting panel of fixing in mounting panel top down, and two first racks and first gear are all injectd under between mounting panel and the last mounting panel.

The upper mounting plate is provided with a linear guide rail extending along the length direction of the base, the linear guide rail is provided with two sliding blocks in a sliding manner, the two clamping blocks are respectively and fixedly connected onto the two sliding blocks, the first driving piece is an air cylinder, a telescopic rod of the air cylinder is connected onto one clamping block, and the cylinder body is connected onto the other clamping block.

The bottom of each clamping block is fixed with a connecting arm, the connecting arms at the bottoms of the two clamping blocks are respectively positioned at two sides of the upper mounting plate, and the two first racks are respectively fixed on the two connecting arms.

The driving unit comprises a second screw rod with the extending direction consistent with the width direction of the base and a second nut sleeved outside the second screw rod in a threaded fit mode, the second screw rod is pivoted on the movable plate, the second nut is fixedly connected onto the mounting plate, and the mounting plate and the movable plate are in sliding fit through a linear guide rail pair positioned between the mounting plate and the movable plate.

The axle positioning assemblies further comprise a bottom plate fixed at the bottom of the positioning seat and in sliding fit with the base, and a second driving piece used for driving the bottom plate to move along the length direction of the base, a second rack is fixed on the bottom plates of the two axle positioning assemblies respectively, the extending direction of the second rack is consistent with the length direction of the base, a second gear positioned between the two second racks is pivoted on the base, and the two second racks are meshed with the two sides of the second gear respectively.

The beneficial effects of the utility model reside in that:

compared with the prior art, the utility model discloses when assembling the leaf spring, utilize leaf spring locating component to leaf spring centre gripping location, at the in-process that presss from both sides tight leaf spring, fix a position the leaf spring at the axial position of axletree to can accomplish the back at leaf spring axial positioning, the leaf spring is adjusted with the cooperation angle of axletree, has improved positioning accuracy, need not whole rotation anchor clamps, has improved the efficiency of location, has improved the assembly efficiency of axletree then.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the axle positioning assembly and the base of the present invention;

FIG. 3 is a schematic structural diagram of a leaf spring positioning assembly shown in FIG. 1;

FIG. 4 is a view taken along line A of FIG. 3;

fig. 5 is a schematic view of the usage state of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1, the positioning device for assembling the air suspension plate spring of the present invention comprises a base 10, two axle positioning assemblies and two plate spring positioning assemblies 300, wherein the base 10 is a rectangular parallelepiped frame structure, which is an installation base portion of the whole device, the two axle positioning assemblies are respectively located at two ends of the base 10 in the length direction (i.e. the X direction in the figure), and the two plate spring positioning assemblies 300 are arranged at one side of the base 10 in the width direction (Y); the axle positioning assembly comprises a supporting seat 21 and a positioning seat 22, wherein two inclined supporting surfaces 211 are arranged on the supporting seat 21, the two supporting surfaces 211 are arranged oppositely, so that a V-shaped positioning groove is formed at the top of the supporting seat 21, a pressing block 221 is arranged on the positioning seat 22 and used for abutting against the end part of the axle, the axle is centered and placed by the V-shaped positioning groove and is supported, the freedom degree of the axle in the Y direction and the height direction (namely the Z direction in the figure) of the base 10 is limited, and the freedom degree of the axle along the self axial direction (namely the length direction of the base 10) is limited by respectively abutting against the end part of the axle or the end surface of other parts (such as the end surface of a hub) on the axle by the pressing blocks 221 on the two axle positioning assemblies.

Referring to fig. 3 and 4, the plate spring positioning assembly 300 includes a mounting base 312, a movable plate 320, a lifting mechanism 310, a mounting plate, a driving unit, two clamping blocks 350 and a first driving member, wherein the mounting base 312 is fixedly connected to the base 10, the movable plate 320 is located above the mounting base 312, the movable plate 320 can move up and down along Z direction under the driving of the lifting mechanism 310, the mounting plate is movably mounted on the movable plate 320, the mounting plate can move relative to the movable plate 320 along Y direction under the driving of the driving unit, the two clamping blocks 350 are mounted on the mounting plate, the two clamping blocks 350 are arranged oppositely, the two clamping blocks 350 have freedom to move relative to the mounting plate along X direction, that is, the two clamping blocks 350 can slide along X direction, the moving directions of the two clamping blocks 350 are always opposite, that the two clamping blocks 350 constitute a clamping mechanism, when they move towards each other along X direction, the distance between the two clamping blocks 350 is reduced, and the clamping machine is tightened, conversely, when the two clamping blocks 350 move away from each other along the X direction, the distance between the two clamping blocks 350 is increased, so that the clamping mechanism is unfolded, specifically, the power output part of the first driving member is connected to one of the clamping blocks 350, and each clamping block 350 is fixed with a first rack 352, the extending direction of the first rack 352 is consistent with the X direction, the mounting plate is pivoted with a first gear 352, the first gear 353 is located between the two first racks 352, the two first racks 352 are respectively meshed with two sides of the first gear 352, when the first driving member drives one of the clamping blocks 350 to move along the X direction, the first rack 352 fixed on the one clamping block 350 drives the first gear 353 to rotate, so that the first rack 352 on the other clamping block 350 moves, and thus the other clamping block 350 moves towards the opposite direction, and the displacements of the two clamping blocks 350 occurring in a unit time are the same.

Referring to fig. 5, when the positioning device of the present invention is used, two ends of the axle 92 are placed on the two axle positioning assemblies, the outer periphery of the hub 93 mounted on the axle 92 can be supported by the supporting surface 211, the hub 93 is centered and positioned by the V-shaped positioning groove, then the two pressing blocks 221 are abutted against the outer end surface of the hub 93 to complete the positioning of the axle 92, then the plate spring 91 is placed on the axle 92, the plate spring 91 is engaged with the position of the axle 92 to be assembled, the end of the plate spring 91 is placed between the two clamping blocks 350, the two clamping blocks 350 are moved toward each other by the driving member, the plate spring 91 is clamped by the two clamping blocks 350, at this time, since the position of the plate spring positioning assembly 300 in the X direction is fixed, that is, the position of the plate spring positioning assembly 300, that is, the position of the plate spring 91 in the axial direction of the axle 92, during the process of clamping the plate spring 91 by, the position of the plate spring 91 can be adjusted and centered, after the plate spring 91 is finally clamped, the position of the plate spring 91 in the axial direction of the axle 92 is determined, then, the position of the plate spring 91 is adjusted along the Y direction through the driving unit, the two clamping blocks 350 are lifted or the height of the two clamping blocks 350 is reduced by using the lifting mechanism, the matching angle of the plate spring 91 and the axle 92 can be adjusted, and finally, the positioning of the plate spring 91 and the axle 92 is completed. Of course, when positioning an axle having a circular cross section, the outer peripheral edge of the axle may be directly supported by the support surface 211, and the axle may be positioned by the pressing piece 221 abutting against the end surface of the axle.

In a preferred embodiment, in order to improve the adjustment accuracy and make the angle of the plate spring engaged with the axle more accurate, as shown in fig. 3 and 4, the above-mentioned lifting mechanism includes a fixed sleeve 311, a movable sleeve 313, a first screw 314, and a first nut 315, wherein the fixed sleeve 311 and the movable sleeve 313 are both hollow cylindrical structures, and the axial directions are all consistent with the Z direction, the bottom end portion of the fixed sleeve 311 is fixedly connected to the mounting base 312, the movable sleeve 313 is movably sleeved outside the fixed sleeve 311 and can move up and down relative to the fixed sleeve 311, the movable plate 320 is fixedly connected to the top portion of the movable sleeve 313, the first screw 314 is located inside the fixed sleeve 311 and pivotally engaged with the fixed sleeve 311, and the extending direction is consistent with the Z direction, the first nut 311314 is sleeved on the first screw and engaged with the first screw 314 by screw threads, a guide groove 1 is provided on the fixed sleeve 311, the first nut 315 is slidably embedded in the guide groove 3111, the first nut 315 is fixedly connected with the movable sleeve 313, and the first screw 314 is rotated to enable the first nut 315 to ascend or descend, so that the movable sleeve 313 moves up and down, and finally the movable plate 320 is driven to move up and down; in order to facilitate the rotation of the first lead screw 314, a bevel gear 3141 and a bevel gear 3142 may be installed in the installation base 312, the bevel gear 3141 is fixedly connected to the bottom of the first lead screw 314, the bevel gear 3142 is pivotally connected to one side of the installation base 312, and the bevel gear 3142 is engaged with the bevel gear 3141, so that the first lead screw 314 is driven to rotate by rotating a gear shaft of the bevel gear 3142, thereby facilitating the adjustment of the fitting angle of the plate spring 91 and the axle 92. In order to facilitate the installation, the utility model discloses set up foretell guide way 3111 into being located the logical groove on fixed cover 311 lateral wall, the side reason of first nut 315 is provided with the connecting portion of radial outside extension, and connecting portion pass behind the guide way 3111 fixed with movable sleeve 313, and is concrete, can be with connecting portion directly stretch into in the draw-in groove 3131 that the movable sleeve 313 bottom was seted up. Because parts such as fly leaf 320, mounting panel, clamp splice 350 that are located the movable sleeve 313 have certain weight, in order to avoid the movable sleeve 313 to take place the beat when up-and-down motion and lead to first lead screw 314 and first nut 315 card to die, the utility model discloses at the top installation bearing frame 316 of fixed cover 311, the top of first lead screw 314 is worn in bearing frame 316, and installs thrust bearing 317 between first lead screw 314 and the bearing frame 316 to the outer peripheral face of bearing frame 316 and the internal surface sliding fit of movable sleeve 313.

The utility model discloses in, foretell mounting panel includes lower mounting panel 330 and the last mounting panel 340 that is located lower mounting panel 330 top, go up mounting panel 340 and lower mounting panel 330 fixed connection and form a clearance between the two, foretell two first racks 352 and first gear 353 all set up in the clearance between last mounting panel 340 and lower mounting panel 330, utilize this clearance to carry on spacingly to first rack 352, avoid first rack 352 to go up and down beat when following X to the motion, make first rack 352 remain throughout and well cooperate with first gear 353.

The upper mounting plate 340 is provided with a linear guide 341 extending in the X direction, the linear guide 341 is provided with two sliding blocks 342, the two clamping blocks 350 are respectively and fixedly connected to the two sliding blocks 342, the first driving member is an air cylinder 360, an expansion rod of the air cylinder 360 is connected to one clamping block 350, and the air cylinder body is connected to the other clamping block 350, so that when the air cylinder 360 is started, the two clamping blocks 350 can slide along the linear guide 341 stably. Of course, in other embodiments, the first driving member may be an oil cylinder, an electric cylinder, or the like. In addition, a connecting arm 351 is fixed to the bottom of each clamping block 350, the connecting arms 351 of the two clamping blocks 350 are respectively located at two sides of the upper mounting plate 340, the connecting arms 351 extend downwards from the bottom of the clamping blocks 350, and the two first racks 352 are respectively fixed to the inner sides of the bottoms of the two connecting arms 351, so that the two first racks 352 are limited between the upper mounting plate 340 and the lower mounting plate 330.

The driving unit comprises a second screw rod 322 and a second nut, wherein the extending direction of the second screw rod 322 is consistent with the Y direction, the second nut is sleeved on the second screw rod 322 in a threaded fit manner, the second screw rod 322 is pivoted on the movable plate, the second nut is fixedly connected on the mounting plate, and the mounting plate is in sliding fit with the movable plate 320 through a linear guide rail pair positioned between the mounting plate and the movable plate, so that the position of the movable plate in the Y direction can be adjusted when the second screw rod 322 is rotated.

Referring to fig. 1 and 2, the axle positioning assembly of the present invention further includes a bottom plate 223 fixed at the bottom of the positioning seat 22, and a second driving member, the bottom plate 223 is in sliding fit with the base 10, the second driving member is used for driving the bottom plate 223 to slide along the X direction relative to the base 10, so that the positioning seat 22 slides along the X direction, a second rack 224 is fixed on the bottom plate 223 of the two axle positioning assemblies, respectively, and the extending direction of the second rack 224 is consistent with the X direction, in addition, a second gear is pivoted on the middle portion of the base 10, the second gear is located between the two second racks 224, and the two second racks 224 are respectively engaged with both sides of the second gear, so that the positioning seats 22 on the axle positioning assemblies on both sides are linked, when the pressing block 221 on one of the positioning seats 22 moves towards the middle portion of the length direction of the base 10 for a certain displacement, the pressing block 221 on the other positioning seat 22 moves towards the middle portion of the length direction of, thus, the two pressing blocks 221 respectively push the two ends of the axle 92 toward the middle of the base 10, so as to center the axle 92, and finally ensure that the plate spring 91 and the axle 92 can be accurately positioned in the axial direction of the axle 92.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The positioning device for assembling the air suspension plate spring is characterized by comprising a base, two axle positioning assemblies respectively arranged at two ends of the base and a plate spring positioning assembly positioned at one side of the base;

2. The positioning device for assembling an air suspension plate spring as claimed in claim 1, wherein the lifting mechanism comprises a fixing sleeve axially aligned with the height direction of the base, a movable sleeve movably sleeved on the outside of the fixing sleeve, a first lead screw extending along the height direction of the base, and a first nut threadedly sleeved on the outside of the first lead screw and fixedly connected with the movable sleeve, wherein the bottom end of the fixing sleeve is fixedly connected to the mounting base, the movable plate is fixedly connected to the top end of the movable sleeve, the first lead screw is located in the fixing sleeve and pivotally engaged with the fixing sleeve, the fixing sleeve is provided with a guide groove extending along the height direction, and the first nut is slidably embedded in the guide groove.

3. The air suspension leaf spring assembly positioning device of claim 2, wherein the guide slot is a through slot provided in the side wall of the stationary sleeve, and the first nut is provided with a radially outwardly extending connecting portion which passes through the guide slot and is fixedly connected to the movable sleeve.

4. The device as claimed in claim 2, wherein a bearing seat is installed on the top of the fixed sleeve, the first lead screw is inserted into the bearing seat, a thrust bearing is installed between the first lead screw and the bearing seat, and the outer peripheral surface of the bearing seat is in sliding fit with the inner surface of the movable sleeve.

5. The air suspension leaf spring assembly positioning device of claim 1, wherein the mounting plate includes a lower mounting plate, an upper mounting plate secured above the lower mounting plate, and wherein the first racks and the first gears are each defined between the lower mounting plate and the upper mounting plate.

6. The apparatus as claimed in claim 5, wherein the upper mounting plate is provided with a linear guide extending along the length of the base, the linear guide is slidably mounted with two sliding blocks, the two clamping blocks are fixedly connected to the two sliding blocks, the first driving member is a cylinder, the telescopic rod of the cylinder is connected to one of the clamping blocks, and the cylinder body is connected to the other clamping block.

7. The apparatus of claim 6, wherein a connecting arm is fixed to a bottom of each of the clamping blocks, the connecting arms of the bottoms of the clamping blocks are respectively located on both sides of the upper mounting plate, and the first racks are respectively fixed to the connecting arms.

8. The positioning device for assembling an air suspension plate spring as claimed in claim 1, wherein the driving unit comprises a second lead screw having an extension direction consistent with the width direction of the base, and a second nut threadedly fitted around the outside of the second lead screw, the second lead screw being pivoted to the movable plate, the second nut being fixedly connected to the mounting plate, the mounting plate and the movable plate being slidably fitted through a pair of linear guide rails therebetween.

9. The device of claim 1, wherein the axle retainer further comprises a base plate fixed to the bottom of the retainer and slidably engaged with the base, and a second driving member for driving the base plate to move along the length of the base, wherein a second rack is fixed to the base plate of each axle retainer, the second rack extends along the length of the base, a second gear is pivotally connected to the base between the second racks, and the second racks are engaged with two sides of the second gear.