CN214769986U - Improved generation planet holder welding frock - Google Patents

Abstract

The utility model discloses an improved generation planet holder welding frock, including base, the gland that cooperates the base setting and the rotatory unsteady hold-down mechanism of welding, the base is controlled by the lifting rotator to go up and down and rotate, the rotatory unsteady hold-down mechanism of welding includes the connecting axle and the immovable mounting disc that form in the gland top, the central point department of mounting disc is formed with the sleeve, has set gradually lower bearing mounting hole, connecting hole and upper bearing mounting hole in the sleeve, wherein be provided with spring holder and thrust bearing in the lower bearing mounting hole, be provided with ball bearing in the upper bearing mounting hole; the upper end of the connecting shaft sequentially penetrates through the spring, the spring seat, the thrust bearing, the connecting hole and the ball bearing, wherein the upper end of the spring is abutted against the spring seat, and the lower end of the spring is abutted against the top of the gland. The utility model discloses the rotatory hold-down mechanism that floats of welding has been add on the gland for gear chuck and the positioning disk that are located between gland and the base compress tightly and weld after together, reduce the production of clearance and crackle.

Description

Improved generation planet holder welding frock

Technical Field

The utility model relates to a welding frock, more specifically say, relate to an improved generation planet holder welding frock.

Background

The planetary retainer is one of the main components of the planetary reducer, and a planetary wheel shaft or a bearing is arranged on the planetary retainer. Because the planet holder is formed by the welding of guiding disc and gear chuck, consequently just need design a set of welding frock.

The existing welding tool (see fig. 1) includes a base and a gland over the base, the base is controlled by a lifting rotator to lift and rotate, and the base is provided with a gear chuck supporting seat, a central hole positioning shaft located at the middle position of the gear chuck supporting seat, and a shaft hole positioning shaft located at one side of the central hole positioning shaft. When welding is needed, the gear chuck is covered on the gear chuck supporting seat, the guide disc is covered on the gear chuck, the central hole positioning shaft penetrates through the central hole in the gear chuck and the central hole in the guide disc, and the shaft hole positioning shaft penetrates through the shaft hole in the gear chuck and the shaft hole in the guide disc; then the lifting rotator controls the base to ascend, so that the gland is pressed on the guide disc, and the gear chuck and the guide disc are further pressed together; and finally, the base and the gland are controlled to rotate together through the lifting rotator, so that the welding tool can be carried out. When the actual batch welding is carried out, a gap exists between the gear chuck and the guide disc, and cracks are easy to generate.

Disclosure of Invention

1. Technical problem to be solved by the utility model

An object of the utility model is to overcome foretell not enough, provide an improved generation planet holder welding frock, adopt the technical scheme of the utility model, simple structure, design benefit has add the rotatory hold-down mechanism that floats of welding on the gland for gear chuck and the deflector that are located between gland and the base compress tightly and weld after together, reduce the production of clearance and crackle.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses an improved generation planet holder welding frock, including the base, the cooperation base setting that are used for clamping gear chuck and positioning disk for pressing from both sides tight gear chuck and positioning disk gland and the rotatory unsteady hold-down mechanism of welding, the base by the control of lifting and lowering rotating ware go up and down and rotatory, the rotatory unsteady hold-down mechanism of welding include the connecting axle and the immovable mounting disk that form in the gland top, the central point department of mounting disk be formed with the sleeve, the sleeve in be provided with lower bearing mounting hole, upper bearing mounting hole and the connecting hole of connecting lower bearing mounting hole, upper bearing mounting hole, wherein be provided with spring holder and thrust bearing in the lower bearing mounting hole, be provided with ball bearing in the upper bearing mounting hole; the upper end of the connecting shaft sequentially penetrates through the spring, the spring seat, the thrust bearing, the connecting hole and the ball bearing, wherein the upper end of the spring is abutted against the spring seat, and the lower end of the spring is abutted against the top of the gland.

Furthermore, a cover plate sleeved outside the connecting shaft is fixedly arranged on the lower end face of the sleeve, and the upper end of the spring penetrates through the cover plate and abuts against the thrust bearing; and an end cover for covering the top of the connecting shaft is fixedly arranged on the upper end surface of the sleeve.

Furthermore, a plurality of mounting holes which are used for fixing the mounting disc are uniformly distributed along the circumferential direction of the mounting disc.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

(1) the utility model discloses an improved generation planet holder welding frock, it has set up the rotatory unsteady hold-down mechanism of welding on the gland, make gear chuck and the positioning disk between gland and the base compress tightly together and then weld, reduce the production of clearance and crackle;

(2) the utility model discloses an improved generation planet holder welding frock, its welding rotation and floating hold-down mechanism simple structure, it is convenient to connect, the lifting and rotating device control base rises, make gear chuck and positioning disk be pressed from both sides between gland and base, because the setting of spring, therefore whether the height dimension of gear chuck and positioning disk changes can guarantee that gear chuck and positioning disk are compressed tightly together all the time, be fit for welding work in batches, in addition when lifting and rotating device control base is rotatory to weld, because thrust bearing and ball bearing's setting, make gland and spring rotate together with the base, and rotate smoothly;

(3) the utility model discloses an improved generation planet holder welding frock, its telescopic upper and lower both ends face has set firmly end cover and apron respectively, plays thrust bearing and ball bearing's in the protective case effect.

Drawings

FIG. 1 is a schematic view of a conventional welding tool;

FIG. 2 is a schematic structural diagram of a conventional susceptor;

fig. 3 is a schematic structural view of an improved planetary cage welding tool of the present invention;

fig. 4 is a top view of an improved planetary cage welding tool of the present invention;

fig. 5 is a sectional view of the improved planetary cage welding tool of the present invention in the direction of a-a;

FIG. 6 is a sectional view of the improved planetary cage welding tooling of the present invention in the B-B direction;

fig. 7 is a cross-sectional view of the shaft hole tensioning shaft of the prior art base.

The reference numerals in the schematic drawings illustrate: A. a gear chuck; B. a guide plate; 1. a base; 1-1, a gear chuck supporting seat; 1-2, a chuck tensioning shaft; 1-3, tensioning a shaft by a guide disc; 1-4, tensioning a shaft in a shaft hole; 1-5, a first tensioning sleeve; 1-6, a second tensioning sleeve; 1-7, a third tensioning sleeve; 1-8, a tensioning block; 2. a gland; 2-1, connecting shaft; 3. mounting a disc; 3-1, sleeve; 3-2, mounting holes; 4. a spring seat; 5. a thrust bearing; 6. a ball bearing; 7. a spring; 8. a cover plate; 9. and (4) end covers.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

Examples

With reference to fig. 3, the improved planetary cage welding fixture of this embodiment includes a base 1 for clamping a gear chuck a and a guiding disk B and a gland 2 for clamping the gear chuck a and the guiding disk B, where the base 1 is a prior art, and a specific structure is not described again.

Continuing to refer to fig. 2, 4, 5, 6 and 7, the base 1 has a gear chuck support 1-1, a chuck tension shaft 1-2 located at the middle position of the gear chuck support 1-1 for cooperating with the gear chuck a, a guide disk tension shaft 1-3 concentrically arranged with the chuck tension shaft 1-2 for cooperating with the guide disk B, and a shaft hole tension shaft 1-4 provided at one side of the chuck tension shaft 1-2 for cooperating with the gear chuck a and the shaft hole of the guide disk B, wherein a first tension sleeve 1-5 on the chuck tension shaft for cooperating with the center hole of the gear chuck a, a second tension sleeve 1-6 on the guide disk tension shaft for cooperating with the center hole of the guide disk B, and a third tension sleeve 1-7 on the shaft hole tension shaft 1-4 for cooperating with the gear chuck a and the shaft hole of the guide disk are all connected to the tension block 1 through an inclined surface on the driving member -8 is spread in a way that the ramp fits; the specific clamping mode is as follows: the first step is as follows: the gear chuck covers the gear chuck supporting seat, the chuck tensioning shaft penetrates through a center hole in the gear chuck A, the guide disc tensioning shaft penetrates through a center hole in the guide disc B, and the shaft hole tensioning shafts 1-4 sequentially penetrate through a shaft hole in the gear chuck A and a shaft hole in the guide disc B, so that the primary positioning of the gear chuck A and the guide disc B is completed; the second step is that: the lifting rotator controls the base 1 to ascend so that the guide disc B is abutted to the gland 2, at the moment, the driving piece arranged on the base is driven to move upwards, the inclined surface of the driving piece is matched with the inclined surface to push the tensioning block to move along the radial direction, the tensioning sleeve is expanded, then the base 1 is driven to continuously ascend until a first tensioning sleeve 1-5 on a tensioning shaft of the chuck is tensioned in a central hole on the gear chuck A, a second tensioning sleeve 1-6 on the tensioning shaft of the guide disc is tensioned in a central hole on the guide disc B, and an upper third tensioning sleeve 1-7 and a lower third tensioning sleeve 1-7 on the tensioning shaft of the shaft hole are respectively tensioned in a shaft hole on the gear chuck A and a shaft hole on the guide disc B, so that final positioning and fixing are completed; the lifting rotator may be any conventional one as long as it can drive the base 1 to lift and rotate, and for example, the lifting rotator may include a motor and an electric push rod.

Continuing with fig. 2 and combining fig. 5 and 6, the difference is that: the welding rotary floating pressing mechanism comprises a connecting shaft 2-1 formed at the top of the gland 2 and a fixed mounting disc 3, and a plurality of mounting holes 3-2 which are uniformly distributed along the circumferential direction of the mounting disc 3 and used for fixing the mounting disc 3 are formed in the mounting disc 3; a sleeve 3-1 is formed in the center of the mounting disc 3, a lower bearing mounting hole, an upper bearing mounting hole and a connecting hole for connecting the lower bearing mounting hole and the upper bearing mounting hole are formed in the sleeve 3-1, a spring seat 4 and a thrust bearing 5 are arranged in the lower bearing mounting hole, and a ball bearing 6 is arranged in the upper bearing mounting hole; the upper end of the connecting shaft 2-1 sequentially penetrates through a spring 7, a spring seat 4, a thrust bearing 5, a connecting hole and a ball bearing 6, wherein the upper end of the spring 7 is abutted against the spring seat 4, the lower end of the spring 7 is abutted against the top of the gland 2, the welding rotary floating pressing mechanism is simple in structure and convenient to connect, the lifting rotator controls the base to ascend, so that the gear chuck and the guide disc are clamped between the gland and the base, and due to the arrangement of the spring, the gear chuck and the guide disc can be guaranteed to be always pressed together regardless of the change of the height and the size of the gear chuck and the guide disc, and the welding rotary pressing mechanism is suitable for batch welding work; in order to protect the thrust bearing and the ball bearing in the sleeve, a cover plate 8 sleeved outside the connecting shaft 2-1 is fixedly arranged on the lower end face of the sleeve 3-1, and the upper end of the spring 7 passes through the cover plate 8 and then abuts against the thrust bearing 5; an end cover 9 covering the top of the connecting shaft 2-1 is fixedly arranged on the upper end surface of the sleeve 3-1.

The utility model discloses an improved generation planet holder welding frock, simple structure, design benefit has add the rotatory hold-down mechanism that floats of welding on the gland for gear chuck and the positioning disk that are located between gland and the base compress tightly and weld after together, reduce the production of clearance and crackle.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (3)

1. The utility model provides an improved generation planet holder welding frock, includes base (1) and cooperation base (1) setting that are used for clamping gear chuck (A) and guiding disc (B) and is used for pressing from both sides gland (2) of tight gear chuck (A) and guiding disc (B), base (1) go up and down and rotatory by lifting and lowering rotation ware control, its characterized in that: the welding rotary floating pressing mechanism comprises a connecting shaft (2-1) formed at the top of a gland (2) and a fixed mounting disc (3), a sleeve (3-1) is formed at the center of the mounting disc (3), a lower bearing mounting hole, an upper bearing mounting hole and a connecting hole for connecting the lower bearing mounting hole and the upper bearing mounting hole are formed in the sleeve (3-1), a spring seat (4) and a thrust bearing (5) are arranged in the lower bearing mounting hole, and a ball bearing (6) is arranged in the upper bearing mounting hole; the upper end of the connecting shaft (2-1) sequentially penetrates through the spring (7), the spring seat (4), the thrust bearing (5), the connecting hole and the ball bearing (6), wherein the upper end of the spring (7) is abutted against the spring seat (4), and the lower end of the spring (7) is abutted against the top of the gland (2).

2. The improved planetary cage welding tool according to claim 1, characterized in that: a cover plate (8) sleeved outside the connecting shaft (2-1) is fixedly arranged on the lower end face of the sleeve (3-1), and the upper end of the spring (7) passes through the cover plate (8) and then abuts against the thrust bearing (5); an end cover (9) for covering the top of the connecting shaft (2-1) is fixedly arranged on the upper end face of the sleeve (3-1).

3. The improved planetary cage welding tool according to claim 1, characterized in that: the mounting disc (3) is provided with a plurality of mounting holes (3-2) which are uniformly distributed along the circumferential direction and used for fixing the mounting disc (3).

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