CN219704260U

CN219704260U - Transmission planet carrier reaming clamping machining device

Info

Publication number: CN219704260U
Application number: CN202320242721.8U
Authority: CN
Inventors: 伍绍奎
Original assignee: Yibin Tiangong Machinery Co ltd
Current assignee: Yibin Tiangong Machinery Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-09-19
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to the technical field of transmission planet carrier processing devices and discloses a transmission planet carrier reaming clamping processing device which comprises a bottom plate, wherein a plurality of clamping processing mechanisms are equidistantly arranged on the bottom plate, each clamping processing mechanism comprises a positioning disk, a main cylinder body is fixedly connected to the middle of the bottom end of each positioning disk, the bottom end of each main cylinder body is fixedly connected with a base, a piston I is arranged at the middle lower part of the inner side of each main cylinder body, a piston III is arranged at the middle lower part of the inner side of each main cylinder body close to the edge, and a workpiece is arranged at the middle of the top end of each positioning disk. According to the utility model, the workpiece is automatically centered and clamped before being machined by adopting the middle expansion core, so that the center reference error of the transmission during machining of the planet carrier is reduced, the workpiece is clamped and fixed by automatic end face compression, the positioning error is small, the planet carrier machining accuracy is high, and the normal operation of the new energy hybrid transmission is conveniently satisfied.

Description

Transmission planet carrier reaming clamping machining device

Technical Field

The utility model relates to the technical field of a processing device for a planetary carrier of a speed changer, in particular to a reaming and clamping processing device for the planetary carrier of the speed changer.

Background

With the rapid development of new energy automobiles, especially the continuous breakthrough of battery capacity technology in electric automobiles, the impact of traditional internal combustion engines is larger and larger, the planetary mechanism planetary frame sub-assembly produced by the main machine is carried on a 3-gear hybrid electric drive transmission DHT Pro, 1 generating motor, 1 driving motor, 2 motor controllers and a 3-gear speed ratio speed and torque increasing machine are highly integrated in the size of 354mm in the axial direction, so that the novel electric drive transmission is not only a pure transmission, but also an intelligent energy control center of an independent participation electric drive power driving device, and can realize the powerful functions of pure electric drive, oil-electricity hybrid drive, intelligent power generation, intelligent energy distribution and 3-gear speed and torque increasing, the electric and fuel are subjected to 'lossless' high-quality output, and 20 intelligent working modes of self-learning self-adaption are realized, and the 3-gear hybrid electric drive DHT is a hybrid special transmission with high torque quality than that in the aspects of compactness and intelligence, and the realization of fuel saving and actual driving control in the hybrid transmission are really comfortable fields.

The main types of the automobile speed changer are a manual speed changer, an electric control hydraulic automatic speed changer, an electric control mechanical automatic speed changer, an electric control stepless automatic speed changer, an electric control double-clutch automatic speed changer and the like, wherein the basic working principle of the electric control hydraulic automatic speed changer is as follows: under the condition that the rotation speed of a driving shaft of an automobile is unchanged, a driven shaft is enabled to obtain a plurality of rotation speeds by utilizing a planetary gear train, a single-row planetary gear mechanism has two degrees of freedom, and in three basic components of a sun gear, a gear ring and a planet carrier, two optional components are respectively used as a driving piece and a driven piece, the other component is fixed, even if the rotation speed of the component is 0 or the motion of the component is constrained to a certain degree, the mechanism has only one degree of freedom, the whole gear train transmits power in a certain transmission ratio, so that the aim of variable speed transmission is fulfilled, the planet carrier is one of key parts of the new energy hybrid power transmission, and therefore, the precision requirement of the planet carrier in the processing process is high, the normal operation of the new energy hybrid power transmission can be met.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a reaming and clamping processing device for a planet carrier of a speed changer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a derailleur planet carrier reaming presss from both sides tight processingequipment, includes the bottom plate, the equidistance is provided with a plurality of and presss from both sides tight processing mechanism on the bottom plate, press from both sides tight processing mechanism and include the positioning disk, the bottom middle part fixedly connected with master cylinder body of positioning disk, the bottom fixed connection base of master cylinder body, the inboard lower part of master cylinder body is provided with piston one, the inboard lower part of master cylinder body is close to the edge and is provided with piston three, the top middle part of positioning disk is provided with the work piece, the middle part of positioning disk is provided with the dabber, the inboard of dabber is provided with pull rod one, just the bottom fixed connection of pull rod one is at the middle part of piston one, the inboard middle part of pull rod one is provided with pull rod two, just the bottom of pull rod two runs through the middle part of piston one and with the middle part fixed connection of piston three, the well upper portion of pull rod two is provided with the clamp plate.

As a further description of the above technical solution:

the middle part fixed connection in the bottom of the top one side of base, the inboard middle lower part of vice cylinder body is provided with piston two, the middle part fixed connection of piston two is in the one end of pull rod, the other end of pull rod runs through bottom plate and positioning disk in proper order and outwards extends, the top of pull rod is provided with the mistake proofing round pin.

As a further description of the above technical solution:

the top end of the bottom plate is fixedly connected with a plurality of groups of positioning blocks at equal intervals, and the top ends of the positioning blocks respectively penetrate through positioning discs at corresponding positions and extend outwards.

As a further description of the above technical solution:

the top equidistance of bottom plate is provided with a plurality of hydraulic clamp of group, side edge department equidistance fixedly connected with a plurality of support column around the bottom of bottom plate.

The utility model has the following beneficial effects:

1. according to the utility model, the workpiece is automatically centered and clamped before machining by adopting the middle expansion core, so that the center reference error in the machining process of the planetary carrier of the transmission is reduced, the workpiece is automatically clamped and fixed by end face automatic compression, the positioning error is small, the machining accuracy of the planetary carrier is high, and the normal operation of the hybrid transmission of new energy sources is conveniently satisfied.

2. In the utility model, by adopting a multi-station arrangement mode, the whole device has compact layout and high processing efficiency.

3. According to the utility model, the machining mechanism is fixed in a hydraulic clamping mode, so that the clamping efficiency is high, and the machining treatment of the transmission planet carrier is facilitated.

Drawings

FIG. 1 is a schematic cross-sectional view of the internal structure of a clamping mechanism of a transmission planet carrier reaming clamping device;

FIG. 2 is a schematic side view of a clamping mechanism of a device for reaming and clamping a planet carrier of a transmission according to the present utility model;

FIG. 3 is a schematic elevational view of the overall apparatus of the present utility model for a transmission planet carrier reaming clamping machining apparatus;

fig. 4 is a schematic top view of an overall device of a device for reaming and clamping a planet carrier of a transmission according to the present utility model.

Legend description:

1. a clamping processing mechanism; 101. a first pull rod; 102. a pressing plate; 103. a mandrel; 104. a second pull rod; 105. an error-proof pin; 106. a positioning plate; 107. a positioning block; 108. a first piston; 109. a second piston; 110. a third piston; 111. a base; 112. a main cylinder; 113. an auxiliary cylinder; 2. a bottom plate; 3. a support column; 4. a hydraulic clamp; 5. a workpiece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a derailleur planet carrier reaming presss from both sides tight processingequipment, including bottom plate 2, the equidistance is provided with a plurality of clamp processing mechanism 1 on the bottom plate 2, clamp processing mechanism 1 includes positioning disk 106, the bottom middle part fixedly connected with master cylinder body 112 of positioning disk 106, the bottom fixed connection base 111 of master cylinder body 112, the inboard middle lower part of master cylinder body 112 is provided with piston one 108, the inboard middle lower part of master cylinder body 112 is close to the edge and is provided with piston three 110, the top middle part of positioning disk 106 is provided with work piece 5, the middle part of positioning disk 106 is provided with dabber 103, the inboard of dabber 103 is provided with pull rod one 101, and the bottom fixed connection of pull rod one 101 is at the middle part of piston one 108, the inboard middle part of pull rod one 101 is provided with pull rod two 104, and the bottom of pull rod two 104 runs through the middle part of piston one 108 and with the middle part fixed connection of piston three 110, the well upper portion of pull rod two 104 is provided with clamp plate 102.

When clamping the workpiece 5, the first piston 108 in the main cylinder 112 moves and simultaneously pulls the first pull rod 101 to synchronously move, the first pull rod 101 moves in the mandrel 103 and simultaneously drives the mandrel 103 to expand, so that the workpiece 5 on the positioning disc 106 is centered, then the third piston 110 in the main cylinder 112 moves downwards and simultaneously drives the pressing plate 102 to synchronously move downwards through the second pull rod 104, and the pressing plate 102 moves downwards and simultaneously clamps the end face of the workpiece 5, so that the clamping operation of the workpiece 5 is completed, and a worker can process the workpiece 5.

The device has the advantages that the end face is attached to the air tightness detection, the error proofing and fool proofing pin shaft is arranged at the angle of the workpiece, a machine tool cabin door starting program is closed, the expansion core is pulled by the expansion core pull-down cylinder of the multi-layer hydraulic cylinder to realize the interference positioning of the center of the workpiece, the end face is pressed by the end face to press the pull-down cylinder to pull down the combined quick-change pressing block, the end face of the workpiece 5 is pressed and positioned, the automatic processing is started after the end face air tightness detection is qualified, the end face combined quick-change pressing block is automatically lifted after the processing is finished, the workpiece 5 is taken out after the processing cycle is finished, and the processing efficiency is high.

The device can realize finish machining of the rear planetary mechanism planet carrier sub-assembly 5-phi 18 holes after the workpiece 5 is machined, can ensure that the hole diameter phi 18 (+ 0.018/0), the phi 18 hole cylindricity degree 0.015, the phi 18 hole position degree phi 0.05 and the phi 18 hole verticality degree 0.02 simultaneously, can finish machining of phi 18 hole rough milling, hole chamfering angle, hole bottom angle, finish reaming and finish milling hole riveting grooves once, has small center reference error of the transmission planet carrier after machining, is unified with the drawing requirement reference, and the verticality reference is matched with the drawing, thereby facilitating the machining operation of the transmission planet carrier by workers.

The middle part of one side of the top end of the base 111 is fixedly connected to the bottom end of the auxiliary cylinder body 113, a second piston 109 is arranged at the middle lower part of the inner side of the auxiliary cylinder body 113, the middle part of the second piston 109 is fixedly connected to one end of a pull rod, the other end of the pull rod sequentially penetrates through the bottom plate 2 and the positioning disc 106 and extends outwards, and an error-proofing pin 105 is arranged at the top end of the pull rod.

The top end of the bottom plate 2 is fixedly connected with a plurality of groups of positioning blocks 107 at equal intervals, and the top ends of the positioning blocks 107 respectively penetrate through the positioning discs 106 at corresponding positions and extend outwards.

When the transmission planet carrier workpiece 5 is machined, the clamping machining mechanism 1 is installed on the bottom plate 2 according to the machining yield, a worker can position the installed clamping machining mechanism 1 through the positioning block 107 on the bottom plate 2, then the piston II 109 in the auxiliary cylinder 113 moves downwards, the error-proof pin 105 is synchronously driven to move downwards through the pull rod, and the positioning disc 106 on the clamping machining mechanism 1 is positioned again, so that the machining operation of the subsequent workpiece 5 is facilitated.

The top equidistance of bottom plate 2 is provided with a plurality of hydraulic clamp 4 of group, and the side edge department equidistance fixedly connected with a plurality of support column 3 around the bottom of bottom plate 2.

The whole device clamps and positions the clamping processing mechanism 1 on the bottom plate 2 through the hydraulic clamps 4 of the plurality of groups, so that the stability of the whole device in processing work is improved, the whole device is supported at the bottom through the support column 3 at the lower end of the bottom plate 2, meanwhile, the running stability of the whole device can be improved, and the processing work of the transmission planet carrier is facilitated.

Working principle: when the transmission planet carrier is machined, a worker installs and fixes the positioning disc 106 after aligning the positioning block 107 and the error-proof pin 105 on the bottom plate 2 by the clamping machining mechanism 1, clamps and fixes the clamping machining mechanism 1 on the bottom plate 2 again through the hydraulic clamp 4 on the bottom plate 2, and connects oil-way pipelines on the whole device, then the device is started, the transmission planet carrier can be used after the air tightness detection is qualified, the first piston 108 in the main cylinder 112 moves and pulls the first pull rod 101 to synchronously move, the first pull rod 101 moves in the mandrel 103 and drives the mandrel 103 to expand, so that the workpiece 5 on the positioning disc 106 is centered, the second piston 109 in the auxiliary cylinder 113 moves downwards, the error-proof pin 105 is synchronously driven to synchronously move downwards through the pull rod, the third piston 110 in the main cylinder 112 simultaneously drives the pressing plate 102 to synchronously move downwards, the end face of the workpiece 5 is clamped when the pressing plate 102 moves downwards, after the machining of the workpiece 5 is finished, the first piston in the main cylinder 112 and the auxiliary cylinder 113 reversely move, the workpiece 5 is loosened, and then the workpiece 5 is taken out for one cycle.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a derailleur planet carrier reaming presss from both sides tight processingequipment, includes bottom plate (2), its characterized in that: equidistance is provided with a plurality of clamp processing mechanism (1) on bottom plate (2), clamp processing mechanism (1) including positioning disk (106), the bottom middle part fixedly connected with master cylinder body (112) of positioning disk (106), the bottom fixed connection base (111) of master cylinder body (112), the inboard middle lower part of master cylinder body (112) is provided with piston one (108), the inboard middle lower part of master cylinder body (112) is close to the edge and is provided with piston three (110), the top middle part of positioning disk (106) is provided with work piece (5), the middle part of positioning disk (106) is provided with dabber (103), the inboard of dabber (103) is provided with pull rod one (101), just the bottom fixed connection of pull rod one (101) is at the middle part of piston one (108), the inboard middle part of pull rod one (101) is provided with pull rod two (104), just the bottom of pull rod two (104) runs through the middle part of piston one (108) and with the middle part fixed connection of piston three (110), the upper portion of push plate (104) is provided with pull rod one (102).

2. A transmission planet carrier reaming clamping machining device as claimed in claim 1, wherein: the middle part of top one side of base (111) fixed connection is in the bottom of vice cylinder body (113), the inboard middle lower part of vice cylinder body (113) is provided with piston two (109), the middle part fixed connection of piston two (109) is in the one end of pull rod, the other end of pull rod runs through bottom plate (2) and positioning disk (106) in proper order and outwards extends, the top of pull rod is provided with mistake proofing round pin (105).

3. A transmission planet carrier reaming clamping machining device as claimed in claim 1, wherein: the top end of the bottom plate (2) is fixedly connected with a plurality of groups of positioning blocks (107) at equal intervals, and the top ends of the positioning blocks (107) respectively penetrate through positioning discs (106) at corresponding positions and extend outwards.

4. A transmission planet carrier reaming clamping machining device as claimed in claim 1, wherein: the top equidistance of bottom plate (2) is provided with a plurality of hydraulic clamp (4) of group, the bottom front and back side limit department equidistance fixedly connected with a plurality of support column (3) of bottom plate (2).