CN115816020A - Automobile electric drive assembly reducer shafting press - Google Patents
Automobile electric drive assembly reducer shafting press Download PDFInfo
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- CN115816020A CN115816020A CN202211517987.5A CN202211517987A CN115816020A CN 115816020 A CN115816020 A CN 115816020A CN 202211517987 A CN202211517987 A CN 202211517987A CN 115816020 A CN115816020 A CN 115816020A
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Abstract
The invention provides a shaft system press of a reducer of an electric drive assembly of an automobile, which comprises a rack, wherein an upper pressure head assembly unit and a lower pressure head assembly unit which are opposite up and down are arranged on the rack; the upper pressure head assembly unit comprises an upper mounting plate and a plurality of groups of upper pressure head mounting assemblies, the upper mounting plate can slide left and right along the rack, the bottom of each group of upper pressure head mounting assemblies is detachably connected with different profiling quick-change upper pressure heads, and when the upper pressure head mounting assemblies move left and right to be positioned at an upper press-mounting station, the press-mounting driving piece drives the upper pressure head mounting assemblies to move up and down; lower pressure head subassembly unit includes that mounting panel and multiunit push down pressure head installation component down, and the frame horizontal slip can be followed to lower mounting panel, and every group push down pressure head installation component top detachably is connected with pressure head under the different profile modeling fast trades, moves about to be located down the pressure equipment station when this push down pressure head installation component, under the effect of pressure equipment driving piece, realizes the pressure equipment operation of first work piece and second work piece. The invention has the advantages that: greatly reducing the manufacturing cost.
Description
Technical Field
The invention relates to press mounting equipment of a speed reducer of an automobile, in particular to a shafting press of the speed reducer of an electric drive assembly of the automobile.
Background
The shaft system parts of the automobile electric drive assembly speed reducer are more, the shaft system parts are important components of the automobile electric drive assembly speed reducer, and the quality of the assembly quality directly influences the overall performance of the electric drive assembly speed reducer. The shafting parts on the assembly line of the automobile electric drive assembly are large in quantity and large in shape and size difference, the shafting parts are generally pressed and installed together by adopting a plurality of semi-automatic pressing and installing stations at present, the number of pressing and installing devices is large, the pressing and installing procedures are multiple, and the number of required operators is relatively large, so that the manufacturing cost of the automobile electric drive assembly is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a shafting press for a speed reducer of an automobile electric drive assembly, so that all parts of the shafting of the speed reducer of the electric drive assembly can be completely pressed by only one device, and the manufacturing cost is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a shafting press of a speed reducer of an automobile electric drive assembly comprises a rack, wherein an upper pressure head assembly unit and a lower pressure head assembly unit which are opposite up and down are arranged on the rack;
the upper pressure head assembly unit comprises an upper mounting plate and a plurality of groups of upper pressure head mounting assemblies arranged on the front side of the upper mounting plate, the upper mounting plate is arranged on the frame in a sliding manner and can slide left and right along the frame, the plurality of groups of upper pressure head mounting assemblies are arranged side by side along the left and right directions of the upper mounting plate, the bottom of each group of upper pressure head mounting assemblies is detachably connected with different profiling quick-change upper pressure heads, the bottom of each profiling quick-change upper pressure head is detachably provided with a corresponding first workpiece, a press-fitting driving piece is arranged on the frame at a position above the plurality of groups of upper pressure head mounting assemblies, the front side of the upper mounting plate corresponding to the press-fitting driving piece is an upper press-fitting station, when the upper pressure head mounting assembly moves left and right to be located at the upper press-fitting station, the output end of the press-fitting driving piece is in butt joint with the upper pressure head mounting assembly located at the upper press-fitting station and can drive the upper pressure head mounting assembly to move up and down, so as to drive the corresponding profiling quick-change upper pressure heads to move up and down;
lower pressure head subassembly unit includes mounting panel and sets up pressure head installation component under the multiunit at mounting panel top down, the mounting panel slides down and sets up in the frame and can follow frame horizontal slip, the multiunit is lower the pressure head installation component and is set up side by side along lower mounting panel left and right sides, pressure head installation component top detachably is connected with the quick change of different profiles modeling down in every group, the second work piece that pressure head top detachably installation corresponds under every profile modeling quick change, lower mounting panel top and the corresponding position of last pressure equipment station are the pressure equipment station down, when the pressure head installation component removes about and is located the pressure equipment station down, under the effect of pressure equipment driving piece, realize the pressure equipment operation of first work piece and second work piece.
As a preferred scheme of the press, the upper press head assembly unit further comprises a follow-up guide bar fixed on the frame, a follow-up guide groove extending along the left-right direction is formed in the front side of the follow-up guide bar, guide cams are arranged on the rear side of each group of upper press head installation assemblies, the guide cams of the plurality of groups of press head installation assemblies are in sliding fit with the follow-up guide groove, and a notch for the guide cams to move up and down is formed in the position, corresponding to the upper press mounting station, of the bottom of the follow-up guide groove.
As a preferable scheme of the press, each group of the upper press head mounting assemblies is slidably mounted on the upper mounting plate and can slide along the vertical direction of the upper mounting plate.
As the preferred scheme of above-mentioned press, the output bottom of pressure equipment driving piece is equipped with articulates the arch, every group go up the pressure head installation component top and be equipped with the connecting block, it has the groove of hanging to open on the connecting block, articulate arch and articulate groove sliding fit and both can control the direction relative slip, support through articulating bellied top and hang the groove roof, realize articulating of last pressure head installation component to being located the pressure equipment station.
As the preferable scheme of the press, the upper pressure head mounting assembly comprises an upper mounting seat and an upper pressure head placing seat, the upper mounting seat is slidably mounted on the front side of the upper mounting plate, the upper pressure head placing seat is fixed at the bottom of the upper mounting seat, and the bottom of the upper pressure head placing seat is detachably connected with the corresponding profiling quick-change upper pressure head.
As a preferable scheme of the press, at least one group of the upper press head mounting assemblies is in the structural form:
the upper pressure head placing seat comprises an upper placing seat shell, an upper spring, an upper pressure head sliding sleeve and an upper guiding pressure head, the top of the upper placing seat shell is fixed at the bottom of the upper mounting seat, an upper slideway is formed in the upper placing seat shell, the upper spring and the upper pressure head sliding sleeve which are arranged up and down are arranged in the upper slideway in a sliding manner, an upper groove is formed in the bottom of the upper pressure head sliding sleeve, an upper through hole is formed in the bottom of the upper slideway of the upper placing seat shell, the upper section of the upper guiding pressure head is inserted into the upper groove after passing through the upper through hole, an upper limiting convex ring which protrudes outwards is arranged on the outer side of the upper guiding pressure head, and the top end of the upper limiting convex ring is contacted with the bottom end of the upper pressure head sliding sleeve for blocking;
the profiling quick-change upper pressure head is slidably sleeved outside the upper guide pressure head, is detachably connected with the shell of the upper placing seat, and presses the bottom end of the upper limiting convex ring upwards through the step surface at the top end of the profiling quick-change upper pressure head so as to limit the lower limiting position of the upper guide pressure head sliding downwards;
the bottom of the profiling quick-change upper pressure head is provided with a first mounting groove for embedding a first workpiece, a plurality of elastic plungers are distributed on the bottom section of the upper guide pressure head along the circumferential direction, the first workpiece is sleeved on the bottom section of the upper guide pressure head and embedded into the first mounting groove, and the bottom end of the first workpiece is blocked by the elastic plungers of the upper guide pressure head.
As a preferred scheme of the press, the upper mounting seat is provided with an upper limiting cylinder at the bottom, the upper placing seat shell is provided with an upper limiting groove which is radially communicated at a position corresponding to the top section of the upper sliding way, the end part of a piston rod of the upper limiting cylinder is provided with an upper limiting block, the upper limiting block is in sliding fit with the upper limiting groove, and the upper limiting block is driven to stretch into or withdraw from the upper sliding through the expansion and contraction of the piston rod of the upper limiting cylinder, so that the vertical sliding locking or unlocking of the upper pressure head sliding sleeve is realized.
As a preferable scheme of the press, the profiling quick-change upper press head is detachably connected with the upper press head placing seat through a plurality of screws distributed along the circumferential direction, and the profiling quick-change upper press head and the upper press head placing seat are sequentially penetrated through the screws along the radial direction.
As a preferable scheme of the press, at least one group of the lower press head mounting assemblies has a structural form that:
the lower pressure head mounting assembly comprises a lower pressure head placing seat, the lower pressure head placing seat comprises a lower placing seat shell, a lower spring, a lower pressure head sliding sleeve and a lower guide pressure head, the bottom of the lower placing seat shell is fixed at the top of the lower mounting plate, a lower slideway is formed in the lower placing seat shell, the lower slideway is internally provided with the lower pressure head sliding sleeve and the lower spring which are arranged up and down, the top of the lower pressure head sliding sleeve is provided with a lower groove, the top of the lower slideway of the lower placing seat shell is provided with a lower through hole, the lower section of the lower guide pressure head is inserted into the lower groove after passing through the lower through hole, the outer side of the lower guide pressure head is provided with a lower limiting convex ring which protrudes outwards, and the bottom end of the lower limiting convex ring is contacted with and abutted against the top end of the lower pressure head sliding sleeve;
the profiling quick-change lower pressure head is sleeved outside the lower guide pressure head in a sliding manner, the profiling quick-change lower pressure head is detachably connected with the lower placing seat shell, and the top end of the lower limiting convex ring is pressed downwards through the step surface at the bottom end of the profiling quick-change lower pressure head, so that the upper limit position of the lower guide pressure head sliding upwards is limited;
the top of the profiling quick-change lower pressure head is provided with a second mounting groove for embedding a second workpiece, and the second workpiece is sleeved on the top section of the lower guide pressure head and is embedded into the second mounting groove.
As a preferred scheme of the above pressing machine, a vertically extending positioning rod is arranged on the lower placing seat shell, the positioning rod is elastically supported by an elastic piece, a supporting cylinder is arranged on one side of the lower placing seat shell, a supporting block is arranged at the end part of a piston rod of the supporting cylinder, and the piston rod of the supporting cylinder stretches out and draws back so as to drive the supporting block to stretch out and draw back, thereby realizing whether the bottom of the positioning rod is supported or not.
Compared with the prior art, the invention has the beneficial effects that:
according to the shafting press for the automobile electric drive assembly speed reducer, provided by the invention, multiple groups of upper pressure head mounting assemblies and multiple groups of lower pressure head mounting assemblies are arranged on one device, so that the press-fitting assembly operation of multiple shafting parts of the electric drive assembly speed reducer is completed on one device, the number of press-fitting devices and the number of operators are reduced, and the press-fitting process is reduced; and through with last pressure head subassembly unit and lower pressure head subassembly unit design for moving about, the last pressure head installation component that lies in last pressure equipment station simultaneously can reciprocate, can select different last pressure head installation component and lower pressure head installation component to be in the pressure equipment station and carry out the pressure equipment operation, and only need one set of pressure equipment driving piece can realize the pressure equipment operation of multiple shafting part, further saved energy consumption and cost. The press provided by the invention solves the problem of seamless butt joint in the process from research and development to later-stage mass production of new electrically-driven products, and compared with a plurality of devices, the press for press mounting of shafting is completed, so that the process limitation of press mounting of multiple types and multiple types of shafting parts simultaneously is broken, and a new effective idea is provided for simultaneous assembly of multiple parts of the same type in the future.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is a schematic structural view of the upper ram assembly unit of the present invention.
Fig. 4 is an enlarged view of fig. 3 at B.
Fig. 5 is a schematic structural view of the lower head assembly unit of the present invention.
Figure 6 is a perspective view of a first upper ram mounting assembly of the present invention.
Figure 7 is a perspective view of the first lower ram mounting assembly of the present invention.
FIG. 8 is a cross-sectional view of the upper and lower ram mounting assemblies of the present invention during press-fitting of the upper and lower bearings of the differential.
Figure 9 is a cross-sectional view of the lower ram mounting assembly of figure 7 taken through the lower limiting cylinder.
Figure 10 is a perspective view of a second upper ram mounting assembly of the present invention.
FIG. 11 is a cross-sectional view of the upper and lower ram assemblies of the present invention during riveting of a differential case.
Figure 12 is a cross-sectional view of the lower ram mounting assembly of figure 10 taken from the support cylinder.
FIG. 13 is a cross-sectional view of two upper and lower ram mounting assemblies of the present invention performing differential pin pull-out force detection.
Reference number in the figure, 1 frame; 2, an upper pressure head assembly unit; 3 pressing down the head assembly unit; 4, mounting a plate; 5, mounting a component on the pressing head; 6, an upper slide rail; 7, an upper servo motor; 8, pressing and mounting the electric cylinder; 9 hanging a bulge; 10, connecting blocks; 11 hanging and connecting grooves; 12 vertical slide rails; 13 follow-up guide bar; 14 a follow-up guide groove; 15 guide cam; 16 gaps; 17, a lower mounting plate; 18 lower ram mounting assembly; 19 a lower slide rail; 20, mounting a base; 21, placing a pressing head on the base; 22 a screw; 23 placing a seat shell; 24, a spring is arranged; 25, a pressure head sliding sleeve is arranged; guiding the pressure head on 26; 27 an upper slideway; 28 upper limit convex ring; 29 profiling quick-change upper pressure heads; 30 an elastomeric plunger; 31 an upper limiting cylinder; 32 upper limiting groove; 33 an upper limit block; 34 a laser sensor; 35 a positioning spring; 36 a first upper ram mounting assembly; 37 differential upper bearings; 38 differential housing indenter heads; 39 parking gear ram; 40, detecting a pressure head by a pull-out force of a positioning pin of the differential; a seat shell is placed under 41; a lower spring 42; 43 pressing the head sliding bush down; 44 lower guide ram; 45, profiling and quickly changing a lower pressure head; 46 lower limit convex ring; 47 lower limiting cylinder; a lower limit block of 48; 49 positioning rods; 50 supporting a cylinder; 51 a support block; 52 shifting fork screw rods; a 53 differential; 54 an input shaft; 55 an output shaft; 56 locating pins; 57 differential lower bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Referring to fig. 1 to 13, the present embodiment provides a shaft system press of a speed reducer of an automotive electric drive assembly, which includes a frame 1, and an upper ram assembly unit 2 and a lower ram assembly unit 3 are disposed on the frame 1 and are opposite to each other.
Go up pressure head subassembly unit 2 and include mounting panel 4 and set up pressure head installation component 5 on the multiunit of last mounting panel 4 front side, go up mounting panel 4 and slide and set up in frame 1 and can follow frame 1 horizontal slip, go up the 6 sliding connection of last slide rail that extend about two of mounting panel 4 rear sides and frame 1 front side. The upper servo motor 7 is installed on the rack 1, the output end of the upper servo motor 7 is connected to the upper mounting plate 4 through a ball screw, and the rotary motion of the upper servo motor 7 is converted into linear motion through the ball screw, so that the upper mounting plate 4 is driven to move left and right. Pressure head installation component 5 sets up side by side along last mounting panel 4 left and right sides direction on the multiunit, 5 bottom detachably of pressure head installation component is connected with pressure head 29 on the different profile modeling quick change in every profile modeling quick change, the first work piece that pressure head 29 bottom detachably installation corresponds on every profile modeling quick change, be equipped with the pressure equipment driving piece in the position that lies in 5 tops of pressure head installation component on the multiunit in the frame 1, the pressure equipment driving piece adopts pressure equipment electric cylinder 8, it is last pressure equipment station to go up 4 front sides of mounting panel and the corresponding position of pressure equipment driving piece, when last pressure head installation component 5 removes to being located last pressure equipment station, the output of pressure equipment driving piece docks and can drive last pressure head installation component 5 with last pressure head installation component 5 that is located last pressure equipment station and reciprocates, thereby pressure head 29 reciprocates on the profile modeling quick change that the drive corresponds.
The output bottom of pressure equipment driving piece is equipped with articulates arch 9, and 5 tops of pressure head installation component are equipped with connecting block 10 on every group, and it has the groove 11 of pegging graft to open on the connecting block 10, articulates arch 9 and articulates 11 sliding fit in groove and both can control the direction relative slip, through the top support that articulates arch 9 hang 11 roof in groove, realizes articulating of last pressure head installation component 5 to being located the pressure equipment station.
Every group goes up pressure head installation component 5 slidable mounting on last mounting panel 4 and can be along the vertical slip of last mounting panel 4, and pressure head installation component 5 and the vertical slide rail 12 sliding connection of last mounting panel 4 front side on every group. Go up pressure head subassembly unit 2 still includes the follow-up gib 13 of fixing in frame 1, follow-up gib 13 front side is opened there is the follow-up guide slot 14 that extends along left right direction, follow-up guide slot 14 is the rectangular channel, pressure head installation component 5 rear side all is equipped with guide cam 15 on every group, the guide cam 15 of multiunit pressure head installation component all with follow-up guide slot 14 sliding fit, follow-up guide slot 14 bottom is opened at the position that corresponds the pressure equipment station and is supplied direction cam 15 to reciprocate 16. Each group of upper pressure head mounting assemblies 5 are hung in the follow-up guide grooves 14 in a sliding mode through the guide cams 15, the vertical positions of the upper pressure head mounting assemblies 5 in each group can be limited, and the upper pressure head mounting assemblies 5 are limited to slide up and down along the upper mounting plate 4.
Lower pressure head subassembly unit 3 includes mounting panel 17 down and sets up the multiunit lower pressure head installation component 18 at mounting panel 17 top down, and lower mounting panel 17 slides and sets up on frame 1 and can follow frame 1 horizontal slip, and lower mounting panel 17 bottom and two lower slide rails 19 sliding connection that extend about on the frame 1. Install down servo motor on the frame 1, lower servo motor's output is connected to mounting panel 17 down through ball, and the rotary motion who will follow servo motor down converts linear motion into through ball to the drive is removed about mounting panel 17 down. The multiunit is pressure head installation component 18 down and is set up side by side along the left and right sides direction of lower mounting panel 17, pressure head 45 is down changed soon at every profile modeling of every group pressure head installation component 18 top detachably is connected with different profile modeling, every profile modeling is changed down the second work piece that pressure head 45 top detachably installed corresponds soon, the position corresponding with last pressure equipment station in lower mounting panel 17 top is for pressing down the dress station down, when pressure head installation component 18 is moved about to being located the pressure equipment station down, under the effect of pressure equipment driving piece, realize the pressure equipment operation of first work piece and second work piece.
Go up pressure head installation component 5 and include mount pad 20, go up the pressure head and place seat 21, go up mount pad 20 slidable mounting in last mounting panel 4 front side, guide cam 15 and connecting block 10 are all installed on last mount pad 20, go up the pressure head and place seat 21 and fix in last mount pad 20 bottom, go up the pressure head and place seat 21 bottom detachably and connect corresponding profile modeling quick-change and go up pressure head 29.
The profiling quick-change upper pressure head 29 is detachably connected with the upper pressure head placing seat 21 through a plurality of screws 22 distributed along the circumferential direction, and the profiling quick-change upper pressure head 29 and the upper pressure head placing seat 21 sequentially penetrate through the screws 22 along the radial direction, so that quick-release connection of the profiling quick-change upper pressure head 29 and the upper pressure head placing seat 21 is realized.
At least one group of upper pressure head mounting assemblies 5 adopt a first upper mounting structure form, and the first upper mounting structure form is as follows:
the upper pressure head placing seat 21 comprises an upper placing seat shell 23, an upper spring 24, an upper pressure head sliding sleeve 25 and an upper guide pressure head 26, the top of the upper placing seat shell 23 is fixed at the bottom of the upper mounting seat 20, an upper slideway 27 is formed in the upper placing seat shell 23, the upper spring 24 and the upper pressure head sliding sleeve 25 which are arranged up and down are arranged in the upper slideway 27 in a sliding manner, an upper groove is formed in the bottom of the upper pressure head sliding sleeve 25, an upper through hole is formed in the bottom of the upper slideway 27 of the upper placing seat shell 23, the upper section of the upper guide pressure head 26 is inserted into the upper groove after passing through the upper through hole, an upper limiting convex ring 28 which protrudes outwards is arranged on the outer side of the upper guide pressure head 26, and the top end of the upper limiting convex ring 28 is contacted with and abutted against the bottom end of the upper pressure head sliding sleeve 25;
the profiling quick-change upper pressure head 29 is sleeved outside the upper guide pressure head 26 in a sliding manner, the profiling quick-change upper pressure head 29 is detachably connected with the upper placing seat shell 23 through the screws 22 uniformly distributed in the circumferential direction, and the bottom end of the upper limiting convex ring 28 is pressed upwards through the step surface at the top end of the profiling quick-change upper pressure head 29, so that the lower limit position of the upper guide pressure head 26 sliding downwards is limited;
the bottom of the profiling quick-change upper pressure head 29 is provided with a first mounting groove for embedding a first workpiece, a plurality of elastic plungers 30 are distributed at the bottom section of the upper guide pressure head 26 along the circumferential direction, the first workpiece is sleeved at the bottom section of the upper guide pressure head 26 and is embedded into the first mounting groove, and the elastic plungers 30 of the upper guide pressure head 26 abut against the bottom end of the first workpiece to prevent the first workpiece from falling off downwards.
The upper limiting cylinder 31 is arranged at the bottom of the upper mounting seat 20, the upper placing seat shell 23 is provided with an upper limiting groove 32 which is radially penetrated at a position corresponding to the top section of the upper slideway 27, an upper limiting block 33 is arranged at the end part of a piston rod of the upper limiting cylinder 31, the upper limiting block 33 is in sliding fit with the upper limiting groove 32, and the upper limiting block 33 is driven to stretch into or withdraw from the upper sliding through the expansion and contraction of the piston rod of the upper limiting cylinder 31 so as to lock or unlock the upper pressure head sliding sleeve 25 in a vertical sliding mode.
In this embodiment, the upper indenter assembly unit 2 includes seven groups of upper indenter mounting assemblies 5, which are first to seventh upper indenter mounting assemblies 5 from left to right.
The first upper pressure head mounting assembly 36, the fourth upper pressure head mounting assembly 5, the fifth upper pressure head mounting assembly 5 and the sixth upper pressure head mounting assembly 5 are all in a first upper mounting structure form, and the difference is that the shape of the first mounting groove matched with different first workpieces on each profiling quick-change upper pressure head 29 is different, and the structure form is suitable for the condition that the first workpieces are bearings. The first upper pressure head mounting component 36, the fourth upper pressure head mounting component 5, the fifth upper pressure head mounting component 5, and the sixth upper pressure head mounting component 5 corresponding profiling quick-change upper pressure head 29 are respectively a first profiling quick-change upper pressure head 29, a fourth profiling quick-change upper pressure head 29, a fifth profiling quick-change upper pressure head 29, a sixth profiling quick-change upper pressure head 29, the first profiling quick-change upper pressure head 29, the fourth profiling quick-change upper pressure head 29, the fifth profiling quick-change upper pressure head 29, and the sixth profiling quick-change upper pressure head 29 are in one-to-one correspondence with each other, and are provided with a differential upper bearing 37, an input shaft upper bearing, an output shaft upper bearing, and a shift fork screw upper bearing.
Pressure head installation component 5, pressure head installation component 5 on the third, pressure head installation component 5 on the seventh all adopt the second to go up mounting structure form, and the mounting structure form is gone up for the first mounting structure form in the second, has saved these parts of last spring 24, last pressure head sliding sleeve 25, last direction pressure head 26, and it can to place seat 21 through a plurality of screws 22 along circumference distribution with last pressure head and dismantle the connection directly with the profile modeling pressure head 29 in fast changing. The profiling quick-change upper pressure heads 29 corresponding to the second upper pressure head mounting assembly 5, the third upper pressure head mounting assembly 5 and the seventh upper pressure head mounting assembly 5 are respectively a second profiling quick-change upper pressure head 29, a third profiling quick-change upper pressure head 29 and a seventh profiling quick-change upper pressure head 29. The second profiling quick-change upper pressure head 29 is a differential case riveting head 38, the third profiling quick-change upper pressure head 29 is a cylindrical parking gear pressure head 39, and the seventh profiling quick-change upper pressure head 29 is a differential positioning pin disengaging force detection pressure head 40.
At least one set of lower ram mounting assemblies 18 takes a first lower mounting configuration that is:
the lower pressure head mounting assembly 18 comprises a lower pressure head placing seat, the lower pressure head placing seat comprises a lower placing seat shell 41, a lower spring 42, a lower pressure head sliding sleeve 43 and a lower guide pressure head 44, the bottom of the lower placing seat shell 41 is fixed at the top of the lower mounting plate 17, a lower slideway is formed in the lower placing seat shell 41, the lower slideway is internally provided with the lower pressure head sliding sleeve 43 and the lower spring 42 which are vertically arranged in a sliding manner, a lower groove is formed in the top of the lower pressure head sliding sleeve 43, a lower through hole is formed in the top of the lower slideway of the lower placing seat shell 41, the lower section of the lower guide pressure head 44 is inserted into the lower groove after passing through the lower through hole, the outer side of the lower guide pressure head 44 is provided with a lower limiting convex ring 46 which protrudes outwards, and the bottom end of the lower limiting convex ring 46 is contacted with and abutted against the top end of the lower pressure head sliding sleeve 43;
the profiling quick-change lower pressure head 45 is sleeved outside the lower guide pressure head 44 in a sliding manner, the profiling quick-change lower pressure head 45 is detachably connected with the lower placing seat shell 41 through the screws 22 uniformly distributed in the circumferential direction, and the top end of the lower limiting convex ring 46 is pressed downwards through the step surface at the bottom end of the profiling quick-change lower pressure head 45, so that the upper limit position of the lower guide pressure head 44 sliding upwards is limited;
the top of the profiling fast-changing lower pressure head 45 is provided with a second mounting groove for embedding a second workpiece, and the second workpiece is sleeved on the top section of the lower guide pressure head 44 and is embedded into the second mounting groove.
Lower place a shell 41 one side and be equipped with down spacing cylinder 47, lower place a shell 41 and open at the position that corresponds the glide slope bottom segment and have the lower spacing groove that radially link up, the piston rod tip of lower spacing cylinder 47 is equipped with down stopper 48, stopper 48 and lower spacing groove sliding fit down, and the piston rod through lower spacing cylinder 47 is flexible to the stopper 48 stretches into or withdraws from the glide slope under the drive, realizes the locking or the unblock of the vertical gliding of lower pressure head sliding sleeve 43.
The lower placing seat shell 41 is provided with a positioning rod 49 which extends vertically, and the positioning rod 49 is elastically supported by a positioning spring 35, so that the positioning rod 49 is at an upper limit position in a natural state. One side of the lower placing seat shell 41 is provided with a supporting cylinder 50, the end part of a piston rod of the supporting cylinder 50 is provided with a supporting block 51, and the piston rod of the supporting cylinder 50 stretches, so that the supporting block 51 is driven to stretch, and whether the bottom of the positioning rod 49 is supported or not is realized.
In this embodiment, the lower pressure head assembly unit 3 includes five groups of lower pressure head mounting assemblies 18, which are the first to fifth lower pressure head mounting assemblies 18 from left to right.
The first lower pressure head mounting assembly 18, the second lower pressure head mounting assembly 18 and the third lower pressure head mounting assembly 18 all adopt a first lower mounting structure form. The profiling quick-change lower pressing heads 45 corresponding to the first lower pressing head installation component 18, the second lower pressing head installation component 18 and the third lower pressing head installation component 18 are respectively a first profiling quick-change lower pressing head 45, a second profiling quick-change lower pressing head 45 and a third profiling quick-change lower pressing head 45. The first profile modeling quick change lower ram 45 is used to mount the differential lower bearing 57, the second profile modeling quick change lower ram 45 is used to mount the input shaft lower bearing, and the third profile modeling quick change lower ram 45 is used to mount the output shaft 55 lower bearing.
Fourth lower pressure head installation component 18 and fifth lower pressure head installation component 18 all adopt the installation structural style under the second, and the installation structural style under the second is for the installation structural style under the first, has saved down these parts of spring 42, lower pressure head sliding sleeve 43, lower direction pressure head 44, and it can with the profile modeling pressure head 45 is placed the seat through a plurality of screws 22 along circumference distribution and can dismantle with lower pressure head and be connected under directly. The profiling quick-change lower pressure head 45 corresponding to the fourth lower pressure head mounting assembly 18 and the fifth lower pressure head mounting assembly 18 is a fourth profiling quick-change lower pressure head 45 and a fifth profiling quick-change lower pressure head 45 respectively, the fourth profiling quick-change lower pressure head 45 is used for mounting a shifting fork screw rod 52 or a cover plate, and the fifth profiling quick-change lower pressure head 45 is used for mounting an assembled differential 53.
In operation, the upper ram mounting assemblies 5 and the lower ram mounting assemblies 18 of each set are loaded with the corresponding components.
When the press mounting of the upper bearing and the lower bearing of the differential 53 is required, the lower mounting plate 17 is driven to move left and right through the lower servo motor, and the first lower pressure head mounting assembly 18 is arranged at a lower press mounting station; the upper mounting plate 4 is driven by the upper servo motor 7 to move left and right, the first upper pressure head mounting assembly 36 is arranged at the upper press mounting station, and the hanging protrusion 9 at the bottom of the press mounting electric cylinder 8 is hung on the hanging groove 11 of the connecting block 10 of the first upper pressure head mounting assembly 36. Firstly, extending a piston rod of the upper limiting cylinder 31 to enable the upper limiting block 33 to abut against the top end of the upper pressure head sliding sleeve 25; and simultaneously, the piston rods of the lower limiting cylinder 47 and the supporting cylinder 50 are retracted, so that the lower pressure head sliding sleeve 43 can freely and vertically slide in the lower slideway. The press-fitting electric cylinder 8 moves downwards to drive the first upper pressure head mounting assembly 36 and the differential upper bearing 37 mounted on the first upper pressure head mounting assembly to move downwards together, the differential 53 is pushed to move downwards by the upper guide pressure head 26 of the first upper pressure head mounting assembly 36, the guide pressure head and the lower pressure head sliding sleeve 43 of the first lower pressure head mounting assembly 18 are both pushed downwards by the differential 53, the lower spring 42 is compressed, at the moment, because the vertical position of the differential lower bearing 57 is fixed, in the downward process of the differential 53, the press-fitting of the differential lower bearing 57 and the differential 53 is completed. Then, the press-fitting electric cylinder 8 moves upwards, and the piston rod of the lower limiting cylinder 47 extends out, so that the lower limiting block 48 abuts against the bottom end of the lower pressure head sliding sleeve 43; while retracting the piston rod of the upper limiting cylinder 31. The press-fitting electric cylinder 8 descends again to drive the first upper pressure head mounting assembly 36 and the differential upper bearing 37 mounted thereon to descend together, and the first profiling quick-change upper pressure head 29 of the first upper pressure head mounting assembly 36 pushes the differential upper bearing 37 downwards to be pressed into the upper end of the differential 53. Thus completing the press fitting of the upper and lower bearings of the differential 53.
The press-fitting process of the upper and lower bearings of the input shaft 54 and the press-fitting process of the upper and lower bearings of the output shaft 55 are similar to those of the differential 53, and will not be described herein again.
When the rivet pressing of the positioning pin 56 of the differential 53 needs to be carried out, the piston rod of the upper limiting cylinder 31 retracts, the piston rod of the lower limiting cylinder 47 retracts, the piston rod of the supporting cylinder 50 extends out, the supporting block 51 is positioned at the bottom of the positioning rod 49, the positioning rod 49 is lifted and supported, and at the moment, the top end of the positioning rod 49 extends into the pin hole of the differential 53 and is positioned at the bottom of the positioning pin 56 of the differential 53. The lower mounting plate 17 is driven to move left and right by a lower servo motor, and the first lower pressure head mounting assembly 18 is arranged at a lower pressing station; the upper mounting plate 4 is driven by the upper servo motor 7 to move left and right, the second upper pressure head mounting assembly 5 is arranged at an upper press-fitting station, the laser sensor 34 detects whether the positioning pin 56 is in place, after the position is detected, the press-fitting electric cylinder 8 descends to drive the differential shell riveting head 38 of the second upper pressure head mounting assembly 5 to descend, the differential shell riveting head 38 downwards presses the position, corresponding to the top end of the pin hole, of the differential shell 53, the differential shell 53 is riveted and deformed, and the positioning pin 56 is limited.
When the detection of the pulling-out force of the positioning pin 56 of the differential 53 is required, the riveted differential 53 is inverted and installed on the fifth profiling quick-change lower press head 45 of the fifth lower press head installation component 18, the fifth lower press head installation component 18 is placed at the lower press-fitting station, and the seventh upper press head installation component 5 is placed at the upper press-fitting station. And starting the press-fitting electric cylinder 8, enabling the press-fitting electric cylinder 8 to move downwards to drive the differential positioning pin releasing force detection pressure head 40 to move downwards, inserting the differential positioning pin releasing force detection pressure head 40 into the pin hole downwards, pushing the positioning pin 56 downwards, and using whether the positioning pin 56 falls downwards or not as a reference for detecting whether the detection is qualified or not.
When the upper bearing of the shifting fork screw rod 52 needs to be pressed, the fourth lower pressure head mounting assembly 18 is selected and arranged at the lower pressing station, and the sixth upper pressure head mounting assembly 5 is selected and arranged at the upper pressing station. The press-fitting electric cylinder 8 moves downwards, so that the upper bearing of the shifting fork screw rod 52 can be driven to move downwards, and the upper bearing of the shifting fork screw rod 52 is pressed and mounted on the shifting fork screw rod 52.
When the cover plate oil seal needs to be pressed, the pressing processes of the selected lower pressing head mounting assembly 18, the selected upper pressing head mounting assembly 5 and the upper bearing of the shifting fork screw rod 52 are the same, only the workpiece on the profiling quick-change upper pressing head 29 of the upper pressing head mounting assembly 5 needs to be replaced by the cover plate oil seal, and meanwhile, the workpiece on the profiling quick-change lower pressing head 45 of the lower pressing head mounting assembly 18 is replaced by the cover plate.
When the input shaft 54 needs to be pressed and assembled with the parking gear, the third upper pressure head mounting assembly 5 is selected and arranged at the upper pressing station, the second lower pressure head mounting assembly 18 is selected and arranged at the lower pressing station, the input shaft 54 is arranged on the second profiling quick-change lower pressure head 45, and the parking gear is sleeved on the input shaft 54. The press-fitting electric cylinder 8 moves downwards to drive the parking gear press head 39 to press the parking gear downwards, and the parking gear is pressed on the input shaft 54. The press-fitting process of the synchronizer and the two-gear shaft sleeve on the input shaft 54 is the same as that of the parking gear, the press-fitting can be carried out by the aid of the parking gear press head 39, and the press-fitting can be carried out sequentially with the press-fitting of the parking gear.
By adopting the press provided by the embodiment, the press mounting of five shafting parts including the differential 53, the input shaft 54, the output shaft 55, the cover plate oil seal and the shifting fork screw rod 52 can be completed, the assembly of a single device on the reducer shafting of the electric drive assembly is realized, the equipment cost and the labor cost are greatly saved, and the manufacturing cost of the automobile electric drive assembly is reduced.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an automobile electric drive assembly reduction gear shafting press, includes frame (1), its characterized in that: an upper pressure head assembly unit (2) and a lower pressure head assembly unit (3) which are opposite up and down are arranged on the rack (1);
the upper pressure head assembly unit (2) comprises an upper mounting plate (4) and a plurality of groups of upper pressure head mounting assemblies (5) arranged on the front side of the upper mounting plate (4), the upper mounting plate (4) is arranged on the rack (1) in a sliding manner and can slide left and right along the rack (1), the groups of upper pressure head mounting assemblies (5) are arranged side by side along the left and right directions of the upper mounting plate (4), the bottom of each group of upper pressure head mounting assemblies (5) is detachably connected with different profiling quick-change upper pressure heads (29), the bottom of each profiling quick-change upper pressure head (29) is detachably provided with a corresponding first workpiece, a press-fitting driving part is arranged on the rack (1) at a position above the groups of upper pressure head mounting assemblies (5), the front side of the upper mounting plate (4) and the position corresponding to the press-fitting driving part are upper press-fitting stations, when the upper pressure head mounting assemblies (5) move left and right to be located at the upper press-fitting stations, the output ends of the press-fitting driving parts are in butt-fitting driving connection with the upper pressure head mounting assemblies (5) and can drive the upper pressure head mounting assemblies (5) to move up and down, so as to drive the corresponding profiling quick-fitting quick-changing upper pressure heads (29) to move up and down;
lower pressure head subassembly unit (3) are including lower mounting panel (17) and set up pressure head installation component (18) under the multiunit at mounting panel (17) top down, lower mounting panel (17) slide to set up in frame (1) and can follow frame (1) horizontal slip, multiunit pressure head installation component (18) are down set up side by side along mounting panel (17) left and right sides orientation down, every group is pressure head installation component (18) top detachably down is connected with different profile modeling and is pressed down pressure head (45) soon, every profile modeling is pressed down pressure head (45) top detachably installation and is corresponded second work piece under changing soon, lower mounting panel (17) top is for pressing down the station with the corresponding position of last pressure equipment station, when pressure head installation component (18) remove about being located pressing down the station, under the effect of pressure equipment driving piece, realize the pressure equipment operation of first work piece and second work piece.
2. The automotive electric drive assembly reducer shafting press of claim 1, wherein: go up pressure head subassembly unit (2) still including fixing follow-up conducting bar (13) on frame (1), follow-up conducting bar (13) front side is opened has follow-up guide slot (14) that extend along left right direction, and pressure head installation component (5) rear side all is equipped with guide cam (15) on every group, and guide cam (15) of multiunit pressure head installation component all with follow-up guide slot (14) sliding fit, and follow-up guide slot (14) bottom is opened at the position that corresponds last pressure equipment station has breach (16) that supplies guide cam (15) to reciprocate.
3. The automotive electric drive assembly reducer shafting press of claim 2, wherein: each group of upper pressure head mounting assembly (5) is slidably mounted on the upper mounting plate (4) and can slide vertically along the upper mounting plate (4).
4. The automotive electric drive assembly reducer shafting press of claim 1, wherein: the output bottom of pressure equipment driving piece is equipped with articulates arch (9), every group go up pressure head installation component (5) top and be equipped with connecting block (10), and it has articulate groove (11) to open on connecting block (10), articulates arch (9) and articulates groove (11) sliding fit and both can control the direction relative slip, supports through the top that articulates arch (9) and articulates groove (11) roof, realizes articulating of last pressure head installation component (5) to being located the pressure equipment station.
5. The automotive electric drive assembly reducer shafting press of claim 1, wherein: go up pressure head installation component (5) including last mount pad (20), go up the pressure head and place seat (21), go up mount pad (20) slidable mounting at last mounting panel (4) front side, go up the pressure head and place seat (21) and fix in last mount pad (20) bottom, go up the pressure head and place seat (21) bottom detachably and connect corresponding profile modeling quick-change and go up pressure head (29).
6. The automotive electric drive assembly reducer shafting press of claim 5, wherein: the structural form of at least one group of the upper pressure head mounting assembly (5) is as follows:
the upper pressure head placing seat (21) comprises an upper placing seat shell (23), an upper spring (24), an upper pressure head sliding sleeve (25) and an upper guide pressure head (26), the top of the upper placing seat shell (23) is fixed at the bottom of the upper mounting seat (20), an upper slideway (27) is formed in the upper placing seat shell (23), the upper spring (24) and the upper pressure head sliding sleeve (25) which are vertically arranged are arranged in the upper slideway (27) in a sliding manner, an upper groove is formed in the bottom of the upper pressure head sliding sleeve (25), an upper through hole is formed in the bottom of the upper slideway (27) of the upper placing seat shell (23), the upper section of the upper guide pressure head (26) is inserted into the upper groove after passing through the upper through hole, an upper limiting convex ring (28) protruding outwards is arranged on the outer side of the upper guide pressure head (26), and the top end of the upper limiting convex ring (28) is contacted with the bottom end of the upper pressure head sliding sleeve (25) for abutting;
the profiling quick-change upper pressure head (29) is sleeved outside the upper guide pressure head (26) in a sliding mode, the profiling quick-change upper pressure head (29) is detachably connected with the upper placing seat shell (23), and the bottom end of the upper limiting convex ring (28) is pressed upwards through the step surface at the top end of the profiling quick-change upper pressure head (29), so that the lower limiting position of the upper guide pressure head (26) sliding downwards is limited;
the bottom of the profiling quick-change upper pressure head (29) is provided with a first mounting groove for embedding a first workpiece, a plurality of elastic plungers (30) are distributed on the bottom section of the upper guide pressure head (26) along the circumferential direction, the first workpiece is sleeved on the bottom section of the upper guide pressure head (26) and is embedded into the first mounting groove, and the bottom end of the first workpiece is blocked by the elastic plungers (30) of the upper guide pressure head (26).
7. The automotive electric drive assembly reducer shafting press of claim 6, wherein: go up mount pad (20) bottom and be equipped with upper limiting cylinder (31), on place seat shell (23) and open the position that corresponds upper slide (27) top segment and have upper limiting groove (32) that radially link up, the piston rod tip of upper limiting cylinder (31) is equipped with upper limiting block (33), upper limiting block (33) and upper limiting groove (32) sliding fit, the piston rod through upper limiting cylinder (31) is flexible to in drive upper limiting block (33) stretch into or withdraw from to slide, realize locking or unblock to the vertical gliding of upper pressure head sliding sleeve (25).
8. The automotive electric drive assembly reducer shafting press of claim 5, wherein: the profiling quick-change upper pressure head (29) is detachably connected with the upper pressure head placing seat (21) through a plurality of screws (22) distributed along the circumferential direction, and the profiling quick-change upper pressure head (29) and the upper pressure head placing seat (21) are sequentially penetrated through the screws (22) along the radial direction.
9. The automotive electric drive assembly reducer shafting press of claim 1, wherein: at least one group of the lower pressure head mounting assemblies (18) is in the structural form:
the lower pressure head mounting assembly (18) comprises a lower pressure head placing seat, the lower pressure head placing seat comprises a lower placing seat shell (41), a lower spring (42), a lower pressure head sliding sleeve (43) and a lower guide pressure head (44), the bottom of the lower placing seat shell (41) is fixed to the top of the lower mounting plate (17), a lower slideway is formed in the lower placing seat shell (41), the lower slideway is internally provided with the lower pressure head sliding sleeve (43) and the lower spring (42) which are vertically arranged in a sliding manner, the top of the lower pressure head sliding sleeve (43) is provided with a lower open groove, the top of the lower slideway of the lower placing seat shell (41) is provided with a lower through hole, the lower section of the lower guide pressure head (44) is inserted into the lower open groove after passing through the lower through hole, the outer side of the lower guide pressure head (44) is provided with a lower limit convex ring (46) which protrudes outwards, and the bottom end of the lower limit convex ring (46) is contacted with the top end of the lower pressure head sliding sleeve (43) to be blocked;
the profiling quick-change lower pressure head (45) is sleeved outside the lower guide pressure head (44) in a sliding mode, the profiling quick-change lower pressure head (45) is detachably connected with the lower placing seat shell (41), and the top end of the lower limiting convex ring (46) is pressed downwards through the step surface at the bottom end of the profiling quick-change lower pressure head (45), so that the upper limit position of the lower guide pressure head (44) sliding upwards is limited;
the top of the profiling quick-change lower pressure head (45) is provided with a second mounting groove for embedding a second workpiece, and the second workpiece is sleeved on the top section of the lower guide pressure head (44) and is embedded into the second mounting groove.
10. The automotive electric drive assembly reducer shafting press of claim 9, wherein: the lower placing seat shell (41) is provided with a vertically extending positioning rod (49), the positioning rod (49) is elastically supported through an elastic piece, one side of the lower placing seat shell (41) is provided with a supporting cylinder (50), the end part of a piston rod of the supporting cylinder (50) is provided with a supporting block (51), and the piston rod of the supporting cylinder (50) stretches and retracts, so that the supporting block (51) is driven to stretch and retract, and whether the bottom of the positioning rod (49) is supported or not is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211517987.5A CN115816020A (en) | 2022-11-30 | 2022-11-30 | Automobile electric drive assembly reducer shafting press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211517987.5A CN115816020A (en) | 2022-11-30 | 2022-11-30 | Automobile electric drive assembly reducer shafting press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115816020A true CN115816020A (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211517987.5A Pending CN115816020A (en) | 2022-11-30 | 2022-11-30 | Automobile electric drive assembly reducer shafting press |
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| Country | Link |
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| CN (1) | CN115816020A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967732A (en) * | 2023-08-16 | 2023-10-31 | 小米汽车科技有限公司 | Electric drive axle press-fitting system |
-
2022
- 2022-11-30 CN CN202211517987.5A patent/CN115816020A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967732A (en) * | 2023-08-16 | 2023-10-31 | 小米汽车科技有限公司 | Electric drive axle press-fitting system |
| CN116967732B (en) * | 2023-08-16 | 2024-06-04 | 小米汽车科技有限公司 | Electric drive axle press-fitting system |
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