CN220093670U - Planet carrier wheel axle press-fitting device - Google Patents

Planet carrier wheel axle press-fitting device Download PDF

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Publication number
CN220093670U
CN220093670U CN202321519224.4U CN202321519224U CN220093670U CN 220093670 U CN220093670 U CN 220093670U CN 202321519224 U CN202321519224 U CN 202321519224U CN 220093670 U CN220093670 U CN 220093670U
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China
Prior art keywords
hole
guide
positioning
base
press
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CN202321519224.4U
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Chinese (zh)
Inventor
卢君剑
吴宇超
祝会杰
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Zhejiang Linix Motor Co Ltd
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Zhejiang Linix Motor Co Ltd
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Priority to CN202321519224.4U priority Critical patent/CN220093670U/en
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Abstract

The utility model belongs to the technical field of planet carrier assembly, and particularly relates to a planet carrier wheel axle press-fitting device, which comprises a bottom plate, a support and a base fixed at the bottom of the support, wherein a guide plate is arranged above the base, the guide plate is connected with the support in a guide way and is matched on the support in a sliding way up and down, the guide plate is provided with a plurality of guide holes penetrating up and down, a pressure head is arranged above the guide plate, the lower end of the pressure head is provided with a plurality of pressure pins which are vertically arranged and are in one-to-one correspondence with the guide holes, a plurality of positioning columns are vertically and elastically supported on the base, and the positioning columns are in one-to-one correspondence with the guide holes; when in press-fitting positioning, the upper end of the positioning column penetrates through the axle hole of the planet carrier workpiece and is positioned in the guide hole. The utility model has the advantages of higher press-fitting precision and avoiding the influence on the press-fitting effect caused by the deviation of the parts of the tool.

Description

Planet carrier wheel axle press-fitting device
Technical Field
The utility model belongs to the technical field of planet carrier assembly, and particularly relates to a planet carrier wheel axle press-fitting device.
Background
The utility model provides a chinese patent of CN201821634951.4 discloses a planet shaft clamping pressure equipment device, includes the base, places in the deflector of base upside, base and deflector are mutually independent spare part, the deflector is equipped with at least one and the corresponding guiding hole in shaft hole on the planet carrier, the thickness of deflector is less than the axial length of shaft, the base is formed with upwards runs through the standing groove, be equipped with spring and reference column in the standing groove, the reference column includes reference column upper segment and reference column hypomere, reference column upper segment external diameter is less than reference column hypomere external diameter under the effect of spring, the reference column upwards removes and makes reference column upper segment upper end be located the base upside, and makes the distance between reference column upper segment upper end and the base up end is less than the axial depth in shaft hole.
In the scheme, as the distance between the upper end of the upper section of the positioning column and the upper end face of the base is smaller than the depth of the axle hole, after the axle is placed in the guide hole of the guide plate, the lower end of the axle is positioned at the upper edge of the axle hole of the planet carrier, and the upper end of the axle is positioned at the upper side of the guide plate, the axle is forced by the pressure head to be pressed into the axle hole; the guide plate and the base limit the position relation between the guide plate and the base only through the wheel shaft workpiece, so that the coaxial arrangement of the guide hole, the wheel shaft hole and the positioning column is difficult to ensure, the precision is poor, and the workpiece or the tool part is crushed due to inaccurate positioning during press fitting.
Disclosure of Invention
The utility model aims to provide a planet carrier wheel axle press-fitting device which is higher in press-fitting precision and avoids the influence on the press-fitting effect caused by the deviation of tool parts.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the planet carrier wheel axle press-fitting device comprises a support and a base fixed at the bottom of the support, wherein a guide plate is arranged above the base, is connected with the support in a guide way, and is matched on the support in a sliding way up and down manner, the guide plate is provided with a plurality of guide holes penetrating up and down, a pressure head is arranged above the guide plate, the lower end of the pressure head is provided with a plurality of press pins which are vertically arranged and correspond to the guide holes one by one, a plurality of positioning columns are vertically and elastically supported on the base, and the positioning columns correspond to the guide holes one by one; when in press-fitting positioning, the upper end of the positioning column penetrates through the axle hole of the planet carrier workpiece and is positioned in the guide hole.
When the positioning device is used, a planet carrier workpiece is placed on a base, a plurality of positioning columns on the base penetrate through wheel shaft holes of the planet carrier workpiece, the upper ends of the positioning columns extend out of the wheel shaft holes to realize positioning between the planet carrier workpiece and the base, and then a guide plate gradually descends onto the planet carrier workpiece along a support, so that the upper ends of the positioning columns extend into the guide holes to realize positioning among the guide plate, the planet carrier and the base; and then the wheel shaft is placed in the guide hole, the position of the pressing pin is adjusted to enable the pressing pin to gradually descend, the lower end of the pressing pin stretches into the upper end of the guide hole, the pre-positioning between the pressing pin and the wheel shaft is achieved, finally, the press is started, the pressing head applies pressure to the pressing pin, the whole pressing pin enters the guide hole, the wheel shaft in the guide hole is ejected out to the wheel shaft hole of the planet carrier workpiece by the pressing pin, and therefore press mounting of the planet carrier wheel shaft is completed.
The device realizes the pre-positioning among the guide plate, the planet carrier workpiece and the base by simultaneously penetrating the positioning column through the axle hole of the planet carrier workpiece and the guide hole of the guide plate, and avoids the phenomenon that the guide plate and the planet carrier workpiece deviate to cause the workpiece and the tool to be crushed; and the lower extreme of press pin stretches into in the guiding hole, has also carried out the location to the press pin, and the pressure equipment precision is higher to the deflector is connected with the support direction all the time, and the deflector can not take place the skew, and the pressure equipment is effectual.
Preferably, the vertical length of the pressing pin exposed out of the pressing head is the same as the vertical length of the guide hole.
The lower end face of the pressure head is propped against the upper end face of the guide plate as the pressure head descends, and at the moment, the pressing pin at the lower end of the pressure head cannot continuously descend, but in order to ensure that the wheel shaft workpiece is just pressed into the wheel shaft hole of the planet carrier workpiece, if the pressing pin is excessively long, the lower end part of the wheel shaft is ejected out of the wheel shaft hole, and if the pressing pin is excessively short, the wheel shaft cannot be completely ejected into the wheel shaft hole, so that the vertical length of the pressing pin exposed out of the pressure head is required to be the same as the vertical length of the guide hole.
Preferably, the base comprises a base body and a base cover plate, the base cover plate is located on the upper side of the base body, the base cover plate is provided with a first abdicating hole, the base body is provided with a second abdicating hole, and the first abdicating hole is communicated with the second abdicating hole.
The first abdicating hole and the second abdicating hole are both used for abdicating the sun gear of the planet carrier workpiece.
Preferably, the base cover plate is provided with a plurality of first positioning holes penetrating up and down, the base body is provided with a plurality of second positioning holes which are opened upwards, and the first positioning holes and the second positioning holes are in one-to-one correspondence with the positioning columns and the guide holes; the first positioning hole and the second positioning hole are communicated and coaxially arranged, and the aperture of the first positioning hole is smaller than that of the second positioning hole; the locating column comprises a first locating column section and a second locating column section from top to bottom, the diameter of the second locating column section is larger than the aperture of the first locating hole, the second locating column section is slidably matched in the second locating hole, and the first locating column section is slidably matched in the first locating hole.
Because the aperture of the first positioning hole is smaller than that of the second positioning hole, a step is formed at the joint of the first positioning hole and the second positioning hole, and the positioning column is propped against the second section of the positioning column under the action of elasticity, so that the rising height of the whole positioning column is limited, the upper end of the positioning column is just positioned at the lower end of the guiding hole, and the guiding hole can be provided with a pressing pin, a wheel shaft and the positioning column at the same time, thereby completing the pre-positioning among the three parts; the second locating hole leads to fix a position to the reference column second section, and first locating hole leads to fix a position to the reference column first section to guarantee that whole reference column has higher precision.
Preferably, an elastic member is disposed in the second positioning hole, and the elastic member is located below the positioning column and abuts against the positioning column to enable the positioning column to have upward movement trend.
The elastic piece is propped against the positioning column so that the positioning column can rebound after being pressed in, wherein the elastic piece can be a compression spring.
Preferably, the bracket comprises a plurality of vertically arranged guide rods positioned around the base, the upper ends of the guide rods commonly support the same top plate, the top plate is provided with a lifting mechanism, the guide plates are provided with a plurality of matching holes matched with the guide rods, and the guide rods penetrate through the matching holes of the guide plates to realize guide connection between the guide plates and the bracket; the lifting mechanism is provided with a lifting rod, and the lower end of the lifting rod is connected with the guide plate.
Lifting mechanism drives the lift of lifter so that the deflector can rise and descend to lead the deflector through a plurality of guide bar, make the deflector can not take place the skew, with this higher precision of assurance deflector.
Preferably, a block is arranged at the bottom of the base body, and the block blocks the bottom of the second positioning hole.
The base body is usually with the second locating hole run through in whole base from top to bottom when processing out the second locating hole, later blocks up the bottom of second locating hole again, and the mode of processing is simpler like this.
Preferably, a gasket is arranged on the lower end face of the guide plate, a third abdication hole corresponding to the guide hole is arranged on the gasket, and the aperture of the third abdication hole is larger than that of the guide hole.
The gasket enables the guide plate to be in soft contact with the planet carrier workpiece, so that the guide plate and the planet carrier workpiece can be protected; and the aperture of the third abdication hole is larger than that of the guide hole, so that the axle and the positioning column can be abdied conveniently during press fitting.
Preferably, the bottom of the base is provided with a positioning groove which is opened downwards, the bottom of the bracket is a bottom plate, and the bottom plate is provided with a positioning protrusion which extends upwards and is used for being matched with the positioning groove.
Through the external aid positioning cooperation of the positioning groove and the positioning protrusion, the positioning accuracy of the base is increased.
Preferably, a press for pressing the planet carrier wheel shaft workpiece is arranged on the top plate, and the lower end of the press is connected with the pressing head.
The press can be any existing press for press-fitting of the planet carrier workpiece and the wheel shaft.
The utility model has the following advantages: the press-fitting precision is higher, and the influence on the press-fitting effect caused by the deviation of the parts of the tool can be avoided; the guide plate is connected with the bracket in a guide way, so that the deflection can not occur; the locating column passes the bottom plate from bottom to top in proper order, and shaft hole and deflector have increased the precision of location.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the base of the present utility model.
Fig. 3 is a schematic structural view of the present utility model in press-fitting positioning.
Fig. 4 is a schematic structural view of the present utility model at the time of press-fitting completion.
Reference numerals: press 1, press lever 11, press head 12, press pin 13, lifting mechanism 2, lifting rod 21, bottom plate 31, guide rod 32, top plate 33, base 4, base cover plate 41, first relief hole 411, first positioning hole 412, base body 42, second relief hole 421, second positioning hole 422, elastic member 43, block 44, positioning groove 45, positioning column 5, positioning column one section 51, positioning column two section 52, guide plate 6, copper bush 61, spacer 62, third relief hole 621, guide hole 63, planet carrier work piece 100, wheel axle 101, sun gear 102, wheel axle hole 103.
Detailed Description
The utility model is further described below with reference to the drawings and specific embodiments.
As shown in fig. 1, the pressing device for the planet carrier wheel axle disclosed in this embodiment includes a support, the support sequentially includes a top plate 33, guide rods 32, a bottom plate 31, guide rods 32, and two guide rods 32, where the two guide rods 32 support the top plate 31 together, a press 1 and a lifting mechanism 2 are fixed above the top plate 31, and the press 1 and the lifting mechanism 2 are arranged front and back.
The lower end of the press 1 is provided with a press rod 11, the press rod 11 passes through a top plate 33, a press head 12 is fixed at the lower end of the press rod 11, and three press pins 13 are arranged at the lower end of the press head 12; the lower extreme of elevating system 2 is equipped with lifter 21, and lifter 21 passes roof 33, and the lower extreme of lifter 21 is connected with deflector 6, and deflector 6 is located the below of presser pin 13 also. The both sides of deflector 6 are equipped with respectively with guide bar 32 complex mating holes, guide bar 32 pass the mating holes of deflector 6 in order to realize the direction connection between deflector 32 and the support. Copper sleeves 61 are arranged in the matching holes of the guide plates 6, so that the service life between the matching holes and the guide rods 32 is prolonged. The guide plate 6 is provided with three guide holes 63 penetrating up and down, the guide holes 63 are in one-to-one correspondence with the press pins 13, the lower end face of the guide plate 6 is provided with a gasket 62, the gasket 62 is provided with a third abdication hole 621 corresponding to the guide holes 63, and the aperture of the third abdication hole 621 is larger than that of the guide hole 63. The vertical length of the presser pin 13 exposing the presser 12 is the same as the vertical length of the guide hole 63.
As shown in fig. 1 to 4, the base plate 31 is provided with a base 4, the base 4 sequentially comprises a base cover plate 41 and a base body 42 from top to bottom, the base cover plate 41 is provided with a first yielding hole 411 for yielding the sun wheel 102, the base body 42 is provided with a second yielding hole 421 for yielding the sun wheel 102, and the first yielding hole 411 is communicated with the second yielding hole 421.
The base cover plate 41 is provided with three first positioning holes 412 penetrating up and down, the base body 42 is provided with three second positioning holes 422 opening upwards, the first positioning holes 411 and the second positioning holes 421 are in one-to-one correspondence with the positioning columns 5 and the guide holes 63, the first positioning holes 411 and the second positioning holes 421 are communicated and coaxially arranged, and the aperture of the first positioning holes 411 is smaller than that of the second positioning holes 421; the base 4 is elastically supported with a positioning column 5, the positioning column 5 sequentially comprises a first positioning column section 51 and a second positioning column section 52 from top to bottom, the diameter of the second positioning column section 52 is larger than the aperture of the first positioning hole 412, the second positioning column section 52 is slidably matched in the second positioning hole 422, and the first positioning column section 51 is slidably matched in the first positioning hole 412. The elastic member 43 is fixed at the lower end of the second positioning hole 422, and the elastic member 43 is located below the second positioning column section 52 and abuts against the lower part of the second positioning column section 52 to enable the positioning column 5 to have upward movement trend. Wherein the elastic member 43 is a compression spring.
Wherein, the bottom of the base body 42 is provided with a blocking piece 44, and the blocking piece 44 blocks the bottom of the second positioning hole 422. The bottom of the base body 42 is provided with a positioning groove 45 opened downward, and the bottom plate 31 is provided with a positioning protrusion (not shown) extending upward and used for being matched with the positioning groove 45.
When the positioning device is used, the planet carrier workpiece 100 is placed on the base 4, three positioning columns 5 on the base 4 respectively penetrate through three wheel shaft holes 103 of the planet carrier workpiece 100, the upper ends of the positioning columns 5 extend out of the wheel shaft holes 103 to position the planet carrier workpiece 100 and the base 4, then the lifting mechanism 2 is started to enable the lifting rod 21 to descend, so that the guide plate 6 gradually descends to the planet carrier workpiece 100 along the guide rod 32, the upper ends of the three positioning columns 5 respectively extend into the three guide holes 63, and positioning among the guide plate 6, the planet carrier workpiece 100 and the base 4 is achieved; then the wheel shaft 101 is placed in the guide hole 63, the position of the pressing pins 13 is adjusted to enable the pressing pins 13 to gradually descend, the lower ends of the three pressing pins 13 extend into the upper ends of the guide hole 63 respectively, the pre-positioning between the pressing pins 13 and the wheel shaft 101 is achieved, finally, the pressing heads of the presses 1 and 12 are started to apply pressure to the pressing pins 13, the whole pressing pins 13 enter the guide hole 63, the wheel shaft 101 in the guide hole 63 is ejected into the wheel shaft hole 103 by the pressing pins 13, and therefore the pressing assembly of the planet carrier wheel shaft is completed.

Claims (10)

1. The utility model provides a planet carrier shaft pressure equipment device, includes the support and fixes the base in the support bottom, the top of base is equipped with deflector, its characterized in that: the guide plate is connected with the support in a guide way and is matched on the support in a sliding way up and down, the guide plate is provided with a plurality of guide holes penetrating up and down, a pressure head is arranged above the guide plate, the lower end of the pressure head is provided with a plurality of pressure pins which are vertically arranged and correspond to the guide holes one by one, the base is vertically and elastically supported with a plurality of positioning columns, and the positioning columns correspond to the guide holes one by one; when in press-fitting positioning, the upper end of the positioning column penetrates through the axle hole of the planet carrier workpiece and is positioned in the guide hole.
2. The planet carrier axle press-fitting device of claim 1, wherein: the vertical length of the pressing pin exposed out of the pressing head is the same as the vertical length of the guide hole.
3. The planet carrier axle press-fitting device of claim 2, wherein: the base includes base body and base apron, and the base apron is located the upside of base body, the base apron is equipped with first hole of stepping down, the base body is equipped with the second hole of stepping down, first hole of stepping down and second hole intercommunication of stepping down.
4. A planet carrier axle press-fit device as claimed in claim 3, wherein: the base cover plate is provided with a plurality of first positioning holes penetrating up and down, the base body is provided with a plurality of second positioning holes which are opened upwards, and the first positioning holes and the second positioning holes are in one-to-one correspondence with the positioning columns and the guide holes; the first positioning hole and the second positioning hole are communicated and coaxially arranged, and the aperture of the first positioning hole is smaller than that of the second positioning hole; the locating column comprises a first locating column section and a second locating column section from top to bottom, the diameter of the second locating column section is larger than the aperture of the first locating hole, the second locating column section is slidably matched in the second locating hole, and the first locating column section is slidably matched in the first locating hole.
5. The planet carrier axle press-fitting device of claim 4, wherein: and an elastic piece is arranged in the second positioning hole, is positioned below the positioning column and props against the positioning column to enable the positioning column to have upward movement trend.
6. The carrier axle press-fitting device according to any one of claims 1 to 5, characterized in that: the support comprises a plurality of vertically arranged guide rods positioned around the base, the upper ends of the guide rods commonly support the same top plate, the top plate is provided with a lifting mechanism, the guide plates are provided with a plurality of matching holes matched with the guide rods, and the guide rods penetrate through the matching holes of the guide plates to realize guide connection between the guide plates and the support; the lifting mechanism is provided with a lifting rod, and the lower end of the lifting rod is connected with the guide plate.
7. The planet carrier axle press-fitting device according to claim 3 or 4 or 5, characterized in that: the bottom of base body is equipped with the shutoff piece, the bottom of second locating hole is plugged up to the shutoff piece.
8. The carrier axle press-fitting device according to any one of claims 1 to 5, characterized in that: the lower end face of the guide plate is provided with a gasket, the gasket is provided with a third abdication hole corresponding to the guide hole, and the aperture of the third abdication hole is larger than that of the guide hole.
9. The carrier axle press-fitting device according to any one of claims 1 to 5, characterized in that: the base bottom is equipped with downwardly opening's constant head tank, the bottom of support is the bottom plate, be equipped with upward extension and be used for with constant head tank complex location arch on the bottom plate.
10. The planet carrier axle press-fitting device of claim 6, wherein: the top plate is provided with a press for pressing the planet carrier wheel axle workpiece, and the lower end of the press is connected with the pressure head.
CN202321519224.4U 2023-06-15 2023-06-15 Planet carrier wheel axle press-fitting device Active CN220093670U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321519224.4U CN220093670U (en) 2023-06-15 2023-06-15 Planet carrier wheel axle press-fitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321519224.4U CN220093670U (en) 2023-06-15 2023-06-15 Planet carrier wheel axle press-fitting device

Publications (1)

Publication Number Publication Date
CN220093670U true CN220093670U (en) 2023-11-28

Family

ID=88870877

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321519224.4U Active CN220093670U (en) 2023-06-15 2023-06-15 Planet carrier wheel axle press-fitting device

Country Status (1)

Country Link
CN (1) CN220093670U (en)

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