Punching device for thin-walled cylinder in planetary structure gearbox

Abstract

The utility model relates to the technical field of gearbox production, in particular to a tapping device for a thin-walled cylinder in a planetary structure gearbox, which comprises a mounting seat, a clamping component and a tapping component. The punching assembly is mainly composed of the driving motor, the bidirectional lead screw, the supporting plate, the inner movable plate, the outer movable plate, the inner supporting block, the punching receding groove, the outer supporting block, the punching push rod and the punching groove, the driving motor is used for driving the bidirectional lead screw to rotate, and then the inner supporting block on the inner movable plate and the outer supporting block on the outer movable plate are driven to move relative to each other; the thin-wall cylinder part of the gearbox is fixed in an abutting mode, then the stamping rod of the stamping push rod penetrates through the thin-wall cylinder part through the stamping groove and extends into the stamping avoiding groove, and in this way, the thin-wall cylinder part can be prevented from deforming in the tapping process.

Description

Technical Field

[0001] The utility model relates to the technical field of gear box production, in particular to a hole opening device for a thin-walled cylinder in a planetary structure gear box. Background Art

[0002] With the development of science and technology, there is an increasing demand for gearboxes with strong torque transmission capacity, high power density, low noise and low vibration. Large planetary gearboxes have the above characteristics and are widely used in the fields of shipbuilding, nuclear power, etc.; their parts have complex structures, high precision requirements, large sizes, thin walls and poor rigidity; thin-walled cylinders play the role of connection, vibration reduction and synchronization in gearboxes, and their precision directly affects the final performance of the entire gearbox. Large high-precision thin-walled cylinders have poor rigidity due to their large size, high precision, thin wall thickness. Thin-walled cylinders are prone to deformation during the hole opening process and are not easy to meet the hole opening design requirements.

[0003] The hole-opening device of the thin-walled cylinder in the traditional planetary gearbox has some shortcomings when in use. First, it cannot provide support from the inside during the hole-opening process, resulting in the deformation of the hole; second, it cannot adjust the position of the hole to be opened during the opening process to meet the continuous hole-opening requirements at different circumferential positions. Therefore, it is necessary to optimize and improve the hole-opening device of the thin-walled cylinder in the traditional planetary gearbox. Utility Model Content

[0004] The purpose of the utility model is to overcome the above problems existing in the traditional technology and provide a hole opening device for a thin-walled cylinder in a planetary structure gear box.

[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0006] A hole-opening device for a thin-walled cylinder in a planetary gearbox, comprising a mounting seat, a clamping assembly and a hole-opening assembly, wherein the mounting seat is provided with a clamping assembly for clamping the gearbox and driving it to rotate, and a hole-opening assembly for opening a hole in the gearbox;

[0007] The clamping assembly comprises a flip motor, a driving gear, a driven gear ring, a connecting ring and an inner support clamping mechanism, wherein the flip motor is fixed to the outer side of the mounting seat, the driven gear ring and the connecting ring are restricted in movement inside the mounting seat, the output end of the flip motor is provided with a driving gear meshing with the driven gear ring, and the outer side of the connecting ring is provided with an inner support clamping mechanism;

[0008] The opening component includes a driving motor, a bidirectional screw, a support plate, an inner movable plate, an outer movable plate, an inner support block, a stamping avoidance groove, an outer support block, a stamping push rod and a stamping groove. The output end of the driving motor is equipped with a bidirectional screw. The support plate is fixed to the outer side of the mounting seat and provides movable support for the bidirectional screw. The two screw sections of the bidirectional screw with opposite rotation directions are respectively mounted with an inner movable plate and an outer movable plate that penetrates the mounting seat. The outer side of the inner movable plate is equipped with an inner support block with a stamping avoidance groove, and the inner side of the outer movable plate is equipped with an outer support block. A stamping push rod is built in the outer support block, and a stamping groove is provided in the outer support block to facilitate the extension of the movable end of the stamping push rod.

[0009] Furthermore, in the above-mentioned thin-walled cylinder hole opening device in the planetary structure gearbox, the gearbox is provided with a thin-walled cylindrical part and thick-walled cylindrical parts arranged on both sides thereof.

[0010] Furthermore, in the above-mentioned thin-walled cylinder hole opening device in the planetary structure gearbox, the end shapes of the inner support block and the outer support block match the inner wall shape of the thin-walled cylinder.

[0011] Furthermore, in the hole-opening device for the thin-walled cylinder in the planetary structure gearbox, the mounting seat is provided with a guide groove for facilitating the relative displacement of the inner movable plate and the outer movable plate.

[0012] Furthermore, in the above-mentioned hole-opening device for the thin-walled cylinder in the planetary structure gearbox, the inner support clamping mechanism includes an annular shell, an inner support clamping claw, a connecting rod, a limit head, a driven swivel ring and a slewing bearing, the interior of the annular shell is installed with a driven swivel ring and a slewing bearing for driving it to rotate, the outer plate of the annular shell is provided with a plurality of radial slide grooves along the circumferential direction, the driven swivel ring is located on a side close to the outer plate of the annular shell and is provided with a plurality of arc push grooves along the circumferential direction, the inner support clamping claw is connected to the limit head through a connecting rod, the connecting rod is slidably restricted in the corresponding radial slide groove, and the limit head is slidably restricted in the corresponding arc push groove.

[0013] Furthermore, in the above-mentioned opening device for the thin-walled cylinder in the planetary structure gearbox, the inner movable plate of the opening assembly can pass through the inner hole area of ​​the annular shell.

[0014] The beneficial effects of the utility model are:

[0015] 1. The hole-opening component of the utility model is reasonably designed, and is mainly composed of a driving motor, a bidirectional screw, a support plate, an inner movable plate, an outer movable plate, an inner support block, a stamping avoidance groove, an outer support block, a stamping push rod and a stamping groove. The driving motor is used to drive the bidirectional screw to rotate, and then the inner support block on the inner movable plate and the outer support block on the outer movable plate are driven to move relative to each other, so as to tightly fix the thin-walled cylindrical part of the gear box, and then the stamping rod of the stamping push rod is used to penetrate the thin-walled cylindrical part through the stamping groove and extend into the stamping avoidance groove. In this way, deformation of the thin-walled cylindrical part during the hole-opening process can be avoided.

[0016] 2. The clamping assembly in the utility model is reasonably designed, and is mainly composed of a flip motor, a driving gear, a driven gear ring, a connecting ring and an inner support clamping mechanism, wherein the inner support clamping mechanism includes an annular shell, an inner support clamping claw, a connecting rod, a limit head, a driven rotating ring and a slewing bearing. When it is necessary to switch the opening position of the thin-walled cylindrical part, first separate the inner support block and the outer support block from the thin-walled cylindrical part, and then use the flip motor and the driving gear to drive the driven gear ring to rotate, and then the inner support clamping mechanism clamps the thin-walled cylindrical part and rotates accordingly, until the position of the required opening reaches the opening station, and then the opening assembly can be started again to perform the opening operation.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the gear box in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the clamping assembly in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the inner supporting clamping jaw and its upper component in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the annular housing in the utility model;

[0024] Figure 6 It is a structural schematic diagram of the driven rotating ring in the utility model;

[0025] Figure 7 It is a structural schematic diagram of the slewing bearing in the utility model;

[0026] Figure 8 It is a structural schematic diagram of the hole opening component in the utility model;

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1-Mounting seat;

[0029] 2-clamping assembly, 201-flip motor, 202-driving gear, 203-driven gear ring, 204-connecting ring, 205-annular housing, 206-inner support clamping claw, 207-connecting rod, 208-limiting head, 209-radial slide groove, 210-driven rotating ring, 211-arc push groove, 212-slewing bearing;

[0030] 3-opening assembly, 301-driving motor, 302-bidirectional screw, 303-support plate, 304-inner movable plate, 305-outer movable plate, 306-inner support block, 307-stamping avoidance groove, 308-outer support block, 309-stamping push rod, 310-stamping groove;

[0031] 4-gear box, 401-thick-walled cylindrical part, 402-thin-walled cylindrical part. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-Figure 8 As shown, this embodiment provides a hole-opening device for a thin-walled cylinder in a planetary structure gearbox, including a mounting seat 1, a clamping assembly 2 and a hole-opening assembly 3, wherein the mounting seat 1 is provided with the clamping assembly 2 for clamping the gearbox 4 and driving it to rotate, and the hole-opening assembly 3 for opening a hole in the gearbox 4.

[0034] In this embodiment, the gear box 4 is provided with a thin-walled cylindrical portion 402 and thick-walled cylindrical portions 401 provided on both sides thereof.

[0035] In this embodiment, the clamping assembly 2 includes a flip motor 201, a driving gear 202, a driven gear ring 203, a connecting ring 204 and an inner support clamping mechanism. The flip motor 201 is fixed to the outside of the mounting base 1, and the driven gear ring 203 and the connecting ring 204 are restricted in movement inside the mounting base 1. The output end of the flip motor 201 is equipped with a driving gear 202 that meshes with the driven gear ring 203, and the outer side of the connecting ring 204 is equipped with an inner support clamping mechanism.

[0036] In this embodiment, the inner support clamping mechanism includes an annular housing 205, an inner support clamping claw 206, a connecting rod 207, a limiting head 208, a driven rotating ring 210 and a slewing bearing 212. The inner part of the annular housing 205 is provided with a driven rotating ring 210 and a slewing bearing 212 for driving the driven rotating ring 210 to rotate. The outer plate of the annular housing 205 is provided with a plurality of radial slide grooves 209 along the circumferential direction, and the driven rotating ring 210 is provided with a plurality of arc-shaped push grooves 211 along the circumferential direction on a side close to the outer plate of the annular housing 205. The inner support clamping claw 206 is connected to the limiting head 208 through the connecting rod 207, and the connecting rod 207 is slidably limited in the corresponding radial slide groove 209, and the limiting head 208 is slidably limited in the corresponding arc-shaped push groove 211.

[0037] In this embodiment, the hole opening assembly 3 includes a driving motor 301, a bidirectional screw rod 302, a support plate 303, an inner movable plate 304, an outer movable plate 305, an inner support block 306, a stamping avoidance groove 307, an outer support block 308, a stamping push rod 309 and a stamping groove 310. The output end of the driving motor 301 is installed with a bidirectional screw rod 302, and the support plate 303 is fixed to the outer side of the mounting seat 1 and provides movable support for the bidirectional screw rod 302. The two screw rod sections with opposite rotation directions of the bidirectional screw rod 302 are respectively mounted with an inner movable plate 304 and an outer movable plate 305 that penetrate the mounting seat 1. An inner support block 306 with a stamping avoidance groove 307 is installed on the outer side of the inner movable plate 304, and an outer support block 308 is installed on the inner side of the outer movable plate 305. A stamping push rod 309 is built into the outer support block 308, and a stamping groove 310 is opened in the outer support block 308 to facilitate the extension of the movable end of the stamping push rod 309.

[0038] In this embodiment, the shapes of the ends of the inner support block 306 and the outer support block 308 match the shape of the inner wall of the thin-walled cylindrical portion 402 .

[0039] In this embodiment, a guide slot is provided in the mounting seat 1 to facilitate the relative displacement of the inner movable plate 304 and the outer movable plate 305 .

[0040] In this embodiment, the inner movable plate 304 of the opening assembly 3 can pass through the inner hole area of ​​the annular shell 205 .

[0041] A specific application of this embodiment is: the hole opening component 3 is mainly composed of a driving motor 301, a bidirectional screw rod 302, a support plate 303, an inner movable plate 304, an outer movable plate 305, an inner support block 306, a stamping avoidance groove 307, an outer support block 308, a stamping push rod 309 and a stamping groove 310. The driving motor 301 is used to drive the bidirectional screw rod 302 to rotate, thereby driving the inner support block 306 on the inner movable plate 304 and the outer support block 308 on the outer movable plate 305 to move relative to each other, and the thin-walled cylindrical portion 402 of the gear box 4 is pressed and fixed, and then the stamping rod of the stamping push rod 309 is used to penetrate the thin-walled cylindrical portion 402 through the stamping groove 310 and extend into the stamping avoidance groove 307. In this way, deformation of the thin-walled cylindrical portion 402 during the hole opening process can be avoided. The clamping assembly 2 is mainly composed of a flip motor 201, a driving gear 202, a driven gear ring 203, a connecting ring 204 and an inner support clamping mechanism, wherein the inner support clamping mechanism includes an annular shell 205, an inner support clamping claw 206, a connecting rod 207, a limit head 208, a driven rotating ring 210 and a slewing bearing 212. When it is necessary to switch the opening position of the thin-walled cylindrical part 402, first disengage the inner support block 306 and the outer support block 308 from the thin-walled cylindrical part 402, and then use the flip motor 201 and the driving gear 202 to drive the driven gear ring 203 to rotate, and then the inner support clamping mechanism clamps the thin-walled cylindrical part 402 and rotates accordingly, until the position of the required hole reaches the hole opening station, and then the hole opening assembly 3 can be started again to perform the hole opening operation.

[0042] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A hole-opening device for a thin-walled cylinder in a planetary gearbox, characterized in that: It comprises a mounting seat, a clamping assembly and a hole-opening assembly, wherein the mounting seat is provided with a clamping assembly for clamping the gear box and driving it to rotate, and a hole-opening assembly for opening a hole in the gear box; The clamping assembly comprises a flip motor, a driving gear, a driven gear ring, a connecting ring and an inner support clamping mechanism, wherein the flip motor is fixed to the outer side of the mounting seat, the driven gear ring and the connecting ring are restricted in movement inside the mounting seat, the output end of the flip motor is provided with a driving gear meshing with the driven gear ring, and the outer side of the connecting ring is provided with an inner support clamping mechanism; The opening component includes a driving motor, a bidirectional screw, a support plate, an inner movable plate, an outer movable plate, an inner support block, a stamping avoidance groove, an outer support block, a stamping push rod and a stamping groove. The output end of the driving motor is equipped with a bidirectional screw. The support plate is fixed to the outer side of the mounting seat and provides movable support for the bidirectional screw. The two screw sections of the bidirectional screw with opposite rotation directions are respectively mounted with an inner movable plate and an outer movable plate that penetrates the mounting seat. The outer side of the inner movable plate is equipped with an inner support block with a stamping avoidance groove, and the inner side of the outer movable plate is equipped with an outer support block. A stamping push rod is built in the outer support block, and a stamping groove is provided in the outer support block to facilitate the extension of the movable end of the stamping push rod.

2. The device for opening a hole in a thin-walled cylinder in a planetary gearbox according to claim 1, characterized in that: The gear box is provided with a thin-walled cylindrical portion and thick-walled cylindrical portions arranged on both sides thereof.

3. The device for opening a hole in a thin-walled cylinder in a planetary gearbox according to claim 2, characterized in that: The shapes of the ends of the inner support block and the outer support block match the shape of the inner wall of the thin-walled cylindrical portion.

4. The device for opening a hole in a thin-walled cylinder in a planetary gearbox according to claim 3, characterized in that: The mounting seat is provided with a guide slot for facilitating the relative displacement of the inner movable plate and the outer movable plate.

5. The device for opening a hole in a thin-walled cylinder in a planetary gearbox according to claim 4, characterized in that: The inner support clamping mechanism includes an annular shell, an inner support clamping claw, a connecting rod, a limit head, a driven swivel ring and a swivel bearing. The inner part of the annular shell is installed with a driven swivel ring and a swivel bearing for driving the driven swivel ring to rotate. The outer plate of the annular shell is provided with a plurality of radial slide grooves along the circumference. The driven swivel ring is located on a side close to the outer plate of the annular shell and is provided with a plurality of arc-shaped push grooves along the circumference. The inner support clamping claw is connected to the limit head through a connecting rod. The connecting rod is slidably restricted in the corresponding radial slide groove, and the limit head is slidably restricted in the corresponding arc-shaped push groove.

6. The device for opening a hole in a thin-walled cylinder in a planetary gearbox according to claim 5, characterized in that: The inner movable plate of the opening assembly can pass through the inner hole area of ​​the annular shell.

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