CN219131413U - Gear and copper bush assembly quality of isolator - Google Patents

Abstract

The utility model discloses a gear and copper bush assembly device of a one-way clutch, which comprises a shaft movement assembly head sleeved with a copper bush and a positioning clamp for positioning the gear, wherein the copper bush and the gear coaxially correspond; the shaft moving assembly head is provided with a propping piece hidden on the side face, when the shaft moving assembly head is assembled, the shaft moving assembly head moves towards the positioning clamp to press the copper sleeve into the shaft cavity of the gear, and the propping piece radially stretches relative to the shaft moving assembly head to prop the copper sleeve. According to the assembly device for the gear and the copper bush of the isolator, provided by the utility model, during assembly operation, the supporting piece on the side surface of the shaft-moving assembly head radially extends relative to the shaft-moving assembly head, so that the copper bush can be supported, and the copper bush is ensured to be attached to the shaft cavity of the gear more tightly.

Description

Gear and copper bush assembly quality of isolator

Technical Field

The utility model belongs to the technical field of assembly of isolator parts, and particularly relates to an isolator gear and copper sleeve assembly device.

Background

In the assembly process of the copper sleeve of the isolator and the gear, the copper sleeve is axially pressed into the shaft cavity of the gear on the clamp through an assembly workpiece, the copper sleeve is integrally bent and formed, the surface of the copper sleeve is provided with a diamond-shaped groove, after the copper sleeve is subjected to assembly pressure, the joint can enable the part of the copper sleeve to be concave deformation due to extrusion, and the copper sleeve is not tightly attached to the shaft cavity of the gear.

Disclosure of Invention

The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the gear and copper sleeve assembly device of the isolator, which is characterized in that the supporting piece on the side surface of the axial assembly head radially extends relative to the axial assembly head, so that the copper sleeve can be supported, and the copper sleeve is ensured to be attached to the shaft cavity of the gear more tightly.

The technical scheme is as follows: in order to achieve the above purpose, the gear and copper bush assembly device of the isolator comprises an axial movement assembly head sleeved with a copper bush and a positioning clamp for positioning the gear, so that the copper bush and the gear coaxially correspond; the axial movement assembly head is provided with a propping piece hidden on the side surface, when the axial movement assembly head is assembled, the axial movement assembly head axially moves towards the positioning fixture to press the copper sleeve into the axial cavity of the gear, and the propping piece radially stretches relative to the axial movement assembly head to prop the copper sleeve.

Further, the propping piece comprises a rotary propping part rotatably connected to the radial movable arm, and the rotary propping part is in radial movable fit with the axial movement assembly head through the radial movable arm; the shaft-moving assembly head is rotatably arranged; in the state of propping the copper sleeve, the axial moving assembly head rotating in the circumferential direction drives the rotating propping part to radially prop the inner wall of the copper sleeve in a rolling mode.

Further, the interior of the axial moving assembly head is provided with a pressure variable cavity extending along the central axis and an arm channel penetrating through the side surface in the radial direction, and the arm channel is communicated with an external fluid medium inlet and outlet pipe through the pressure variable cavity; the radial movable arm is in sliding sealing fit with the arm channel; the pressure variable cavity changes the pressure level through the injection or discharge of the fluid medium, and the radial movable arm is propped up or sucked in to slide radially relative to the axial assembly head.

Further, the rotary jacking part is of a cylindrical structure axially parallel to the axial moving assembly head.

Further, the side surface of the axial movement assembly head is provided with a hiding groove corresponding to the rotary propping part, and the rotary propping part is hidden in the hiding groove; and under the state of propping the copper sleeve, the radial movable arm gradually moves radially outwards under the external propping force, and the rotary propping part is driven to gradually move outwards of the hidden groove.

Further, the top support members are distributed in a circumferential array along the circumferential direction of the axially movable assembly head.

Further, the axial movement assembly head comprises a pressing part and a supporting part which are integrally formed; the copper sleeve is sleeved on the supporting part and propped against the material pressing part.

Further, the device comprises a device frame which is arranged on the guide rail in a sliding fit manner, the device frame is connected with an assembly driving part, the shaft moving assembly head is arranged on the device frame in a rotating fit manner through the fluid medium inlet and outlet pipe, and the shaft moving assembly head is correspondingly provided with a rotation driving part for providing the rotation driving force of the shaft moving assembly head.

The beneficial effects are that: the gear and copper sleeve assembly device of the isolator has the beneficial effects that: in the utility model, during assembly operation, the supporting piece on the side surface of the axial assembly head can radially extend relative to the axial assembly head, so that the copper bush can be supported, the copper bush is tightly attached to the shaft cavity of the gear, the inner wall of the copper bush can be radially supported by the axial assembly head in a rolling manner by driving the rotary supporting part, the supporting range is enlarged, the whole copper bush can be tightly attached to the shaft cavity of the gear, and the method is suitable for large-scale popularization.

Drawings

FIG. 1 is a schematic diagram of an in-cavity copper sleeve assembly structure of a gear;

FIG. 2 is a schematic view of the whole structure of the assembly device of the present utility model;

FIG. 3 is a schematic illustration of a partially cut-away and structurally exploded view of a shaft assembly head;

FIG. 4 is a schematic view of a copper sleeve sleeved on a shaft assembly head;

fig. 5 is a schematic view of the structure of the jacking piece radially extending relative to the axial assembly head to jack the copper sleeve.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1, in the assembly process of the copper sleeve 2 and the gear 1 of the isolator, the copper sleeve 2 is axially pressed into the shaft cavity of the gear 1 on the fixture through an assembly workpiece, the copper sleeve 2 is integrally bent and formed, the surface of the copper sleeve is provided with a diamond-shaped groove, after the copper sleeve is subjected to assembly pressure, the seam is subjected to extrusion and mixing, so that the partial concave deformation phenomenon of the copper sleeve 2 occurs, and the copper sleeve is not tightly attached to the shaft cavity of the gear.

In order to solve the problems, the technical scheme provided by the utility model is as shown in the accompanying drawings 2, 4 and 5, and the gear and copper bush assembly device of the isolator comprises an axial movement assembly head 3 sleeved with a copper bush 2 and a positioning clamp for positioning the gear 1, so that the copper bush 2 coaxially corresponds to the gear 1; the shaft moves assembly head 3 has the top stay spare of hiding in the side, and during the assembly, the shaft moves assembly head 3 towards the axial cavity that the positioning fixture pivoted with copper sheathing 2 impress gear 1, and the relative shaft moves assembly head 3 radial extension of top stay spare and top stay copper sheathing 2 to can carry out the top stay effect to copper sheathing 2, guarantee copper sheathing 2 and gear 1's axial cavity laminating and tighten more, in order to enlarge the top stay scope and guarantee the multiple spot distribution of top stay dynamics moreover, the top stay spare is circumference array distribution along the circumference direction of shaft moves assembly head 3.

Since the area of concave deformation of the copper bush 2 is random during assembly in the prior art, even distribution of single propping pieces can prop partial deformation areas, but can not realize relatively complete circumferential coverage of the copper bush 2, so in the utility model, as shown in fig. 1 and 5, the propping pieces comprise rotary propping parts 34 rotatably connected to radial movable arms 35, and the rotary propping parts 34 are radially movably matched with the axial moving assembly head 3 through the radial movable arms 35; the shaft-moving assembly head 3 is rotatably arranged; in the state of propping up the copper bush 2, the axial movement assembly head 3 which rotates in the circumferential direction drives the rotary propping up part 34 to radially prop up the inner wall of the copper bush 2 in a rolling way, so that the propping up range is enlarged, the copper bush 2 is fully covered in the circumferential direction, and the copper bush 2 can be tightly attached to the shaft cavity of the gear. In order to expand the propping range of the copper sleeve 2 in the axial direction, the rotary propping part 34 is of a cylindrical structure axially parallel to the axial moving assembly head 3, and the column side surface of the cylindrical structure is a propping surface.

There are a number of power configurations for providing the extension of the jacking members, and considering the relatively small volume of the axially movable fitting head 3, the present utility model adopts the following scheme: as shown in fig. 3, the interior of the axial moving assembly head 3 is provided with a pressure variable cavity 3.3 extending along a central axis and an arm channel 3.2 penetrating through the side surface in the radial direction, and the arm channel 3.2 is communicated with an external fluid medium inlet and outlet pipe 30 through the pressure variable cavity 3.3; the radial movable arm 35 is in sliding sealing fit with the arm channel 3.2, specifically, sliding sealing is carried out through a piston 36 on the radial movable arm 35; the pressure variable chamber 3.3 changes the pressure level by injecting or discharging the fluid medium, so as to push or pull the radial movable arm 35 radially and slidingly relative to the axial assembly head 3. The fluid medium is preferably a gas, such as air.

The utility model comprises an equipment rack 6 which is arranged on a guide rail 8 in a sliding fit manner, wherein the equipment rack 6 is connected with an assembly driving part 7, the assembly driving part 7 can be a push-pull piece, such as an oil cylinder, the axial movement assembly head 3 is arranged on the equipment rack 6 in a rotating fit manner through a fluid medium inlet and outlet pipe 30, the fluid medium inlet and outlet pipe 30 is in butt joint with a three-way pipe 10 which is fixed on the equipment rack 6 through a rotating joint, the other two ports of the three-way pipe 10 are respectively in butt joint with a medium inlet valve 11 and a medium outlet valve 12, the medium inlet valve 11 is connected with medium inlet equipment through a medium inlet pipeline, the medium outlet valve 12 is connected with medium outlet equipment through a medium outlet pipeline, and if the selected fluid medium is air, the medium inlet equipment is an air pump, and the medium outlet equipment is an air pump; the shaft-moving assembly head 3 is correspondingly provided with a rotary driving part 9 for providing rotary driving force, and the rotary driving part 9 comprises an outer gear ring 91 positioned on the fluid medium inlet and outlet pipe 30, a gear 92 arranged on the equipment rack 6 and a motor 93, wherein the motor 93 is in driving connection with the gear 92, and the gear 92 is in tooth transmission fit with the outer gear ring 91.

As shown in fig. 3, the axial moving assembly head 3 includes an integrally formed material pressing portion 31 and a supporting portion 32; the copper sleeve 2 is sleeved on the supporting part 32 and is abutted against the material pressing part 31. As shown in fig. 4, the side surface of the axial moving assembly head 3 is provided with a hiding groove 3.1 corresponding to the rotary propping part 34, and the rotary propping part 34 is hidden in the hiding groove 3.1; as shown in fig. 5, in the state of propping the copper sleeve 2, the radial movable arm 35 gradually moves radially outwards under the external propping force, so as to drive the rotary propping part 34 to gradually move outwards of the hidden groove 3.1. That is, the rotary propping portion 34 is hidden in the hidden groove 3.1 initially, the copper sleeve 2 is not affected to axially cover the supporting portion 32, and the hidden groove 3.1 is exposed only when the propping operation is needed.

The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims (8)

1. The utility model provides a gear and copper sheathing assembly quality of isolator which characterized in that: comprises a shaft moving assembly head (3) sleeved with a copper sleeve (2) and a positioning clamp for positioning a gear (1), so that the copper sleeve (2) coaxially corresponds to the gear (1); the axial movement assembly head (3) is provided with a propping piece hidden on the side face, when the axial movement assembly head (3) is assembled, the copper bush (2) is pressed into the axial cavity of the gear (1) by axial movement towards the positioning fixture, and the propping piece radially stretches relative to the axial movement assembly head (3) to prop the copper bush (2).

2. The isolator gear and copper sleeve assembly device according to claim 1, wherein: the jacking piece comprises a rotary jacking part (34) rotatably connected to a radial movable arm (35), and the rotary jacking part (34) is in radial movable fit with the axial movement assembly head (3) through the radial movable arm (35); the shaft-moving assembly head (3) is rotatably arranged; in the state of propping the copper sleeve (2), the axial movement assembly head (3) rotating circumferentially drives the rotary propping part (34) to radially prop the inner wall of the copper sleeve (2) in a rolling mode.

3. The isolator gear and copper sleeve assembly device according to claim 2, wherein: the inside of the axial movement assembly head (3) is provided with a pressure variable cavity (3.3) extending along the central axis and an arm channel (3.2) penetrating through the side surface in the radial direction, and the arm channel (3.2) is communicated with an external fluid medium inlet and outlet pipe (30) through the pressure variable cavity (3.3); the radial movable arm (35) is in sliding sealing fit with the arm channel (3.2); the pressure variable cavity (3.3) changes the pressure level through the injection or discharge of the fluid medium, and the radial movable arm (35) is propped up or sucked inwards to slide radially relative to the axial moving assembly head (3).

4. A gear and copper sleeve assembly device for a one-way clutch according to claim 3, wherein: the rotary jacking part (34) is of a cylindrical structure axially parallel to the axial moving assembly head (3).

5. A gear and copper sleeve assembly device for a one-way clutch according to claim 3, wherein: the side surface of the axial movement assembly head (3) is provided with a hiding groove (3.1) corresponding to the rotary propping part (34), and the rotary propping part (34) is hidden in the hiding groove (3.1); and under the state of propping the copper sleeve (2), the radial movable arm (35) gradually moves radially outwards under the external propping force, and drives the rotary propping part (34) to gradually move outwards of the hidden groove (3.1).

6. A gear and copper sleeve assembly device for a one-way clutch according to any one of claims 1 to 5, wherein: the propping pieces are distributed in a circumferential array along the circumferential direction of the axial moving assembly head (3).

7. A gear and copper sleeve assembly device for a one-way clutch according to any one of claims 1 to 5, wherein: the axial movement assembly head (3) comprises a pressing part (31) and a supporting part (32) which are integrally formed; the copper sleeve (2) is sleeved on the supporting part (32) and is propped against the material pressing part (31).

8. A gear and copper sleeve assembly device for a one-way clutch according to claim 3, wherein: including equipment rack (6) that slide the cooperation setting on guide rail (8), equipment rack (6) are connected with assembly drive portion (7), the axle moves assembly head (3) and passes through fluid medium access tube (30) rotary fit setting on equipment rack (6), and the axle moves assembly head (3) correspondence and has rotation drive portion (9) that provide its rotary drive power.

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