CN217433339U

CN217433339U - Combined tool for laser welding of planetary gear

Info

Publication number: CN217433339U
Application number: CN202221292831.7U
Authority: CN
Inventors: 樊晔
Original assignee: Huzhou Jinding Precision Technology Co ltd
Current assignee: Huzhou Jinding Precision Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-16
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to the technical field of planetary gears, in particular to a combined tool for laser welding of planetary gears, which comprises a clamp body, a wheel carrier and a wheel carrier cover plate, wherein the middle part of the inner side of the clamp body is fixedly provided with a shaft core through a flange plate, and the outer peripheral surface of the shaft core is at least provided with two groups of positioning plates; the locating plate is located the centre bore of wheel carrier and wheel carrier apron, be provided with on the axle core and be used for the drive assembly that the locating plate removed, the utility model discloses in the outside of axle core is located to wheel carrier and wheel carrier apron cover in proper order cover, the rotatable screw rod of user this moment, screw drive screw thread seat remove, and cooperation drive locating plate through two sets of connecting rods outwards removes to the realization is to the wheel carrier and the wheel carrier apron realization central point of different hole diameters and fix a position, has guaranteed concentricity between them, and fixed completion back can weld the equal operation.

Description

Combined tool for laser welding of planetary gear

Technical Field

The utility model relates to a planetary gear technical field especially relates to a combination frock for planetary gear laser welding.

Background

Chinese patent publication "CN 209006876U" discloses a combined tool for laser welding of a planetary gear, which is applied to the press-fitting, conveying, welding and disassembling processes of a full-automatic laser welding production line of the planetary gear, and completes the coupling and positioning of a planetary gear cover plate and a planet carrier, and the combined tool of the sleeve has the following characteristics: 1) the structure is simple and reasonable: the modular design can select different clamp bodies, positioning mandrels and prismatic pin combinations according to workpieces with different sizes; 2) the positioning precision is high: the workpiece is positioned by the positioning mandrel and the prismatic pin together, so that the positioning precision is high, and the high-precision index of the planetary gear is met; 3) the dismounting is convenient: the workpiece, the positioning core shaft and the prismatic pin are tightly pressed together through tolerance fit, so that the workpiece and the combined tool are connected tightly and are convenient to disassemble;

although this combination frock can realize carrying out location combination welding to planet wheel carrier and planet wheel carrier apron, need to change the axle core of different rules at every turn to the planet wheel carrier of different specifications, this mode actual operation is comparatively loaded down with trivial details, greatly reduced welding efficiency, therefore the practicality is not strong, is worth continuing to propose the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above-mentioned shortcoming of existence among the prior art, and the combination frock for planetary gear laser welding who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the combined tool for laser welding of the planetary gear comprises a clamp body, a wheel carrier and a wheel carrier cover plate, wherein a shaft core is fixedly arranged in the middle of the inner side of the clamp body through a flange plate, and at least two groups of positioning plates are arranged on the peripheral surface of the shaft core;

the locating plate is located the centre bore of wheel carrier and wheel carrier apron, be provided with on the axle core and be used for the drive assembly that the locating plate removed, drive assembly drive locating plate deviates from the axle core and removes to make the locating plate carry out the butt to the centre bore of wheel carrier and wheel carrier apron and realize the centre positioning.

Preferably, the driving assembly is a screw rod, the screw rod is in threaded connection with a shaft core, a threaded seat is in threaded connection with the outer side of the screw rod, a fixed seat is sleeved at the bottom of the shaft core, connecting rods are respectively connected between the threaded seat and the bottoms of the fixed seat and the positioning plate in a pin joint mode, the two groups of connecting rods are arranged in a crossed mode, the middle of the two groups of connecting rods are connected in a pin joint mode, and a sliding chute for the connecting rods to slide is formed in the bottom of the positioning plate.

Preferably, the positioning plate comprises an arc-shaped plate and a connecting plate located on the inner side of the arc-shaped plate, the connecting rod is in pin joint with the bottom of the connecting plate, and the sliding groove is formed in the end face of the connecting plate.

Preferably, the connecting rod is kept away from the one end of fixing base and is rotated through the round pin axle and be connected with the gyro wheel, the gyro wheel rotates the inboard of connecting at the spout.

Preferably, the connecting rod is rotatably connected with the threaded seat and the fixing seat through an inserting shaft, one end of the inserting shaft is provided with a limiting part, and one end of the inserting shaft, which is far away from the limiting part, is provided with a spring button.

Preferably, the locating plate is provided with four groups, and four groups of locating plates are equidistantly arranged along the circumference of the peripheral surface of the shaft core.

The utility model provides a combination frock for planetary gear laser welding, beneficial effect lies in: the utility model discloses in the outside of axle core is located to wheel carrier and wheel carrier apron cover in proper order, the rotatable screw rod of user this moment, screw rod drive screw thread seat removes, and cooperation drive locating plate through two sets of connecting rods outwards removes to realize wheel carrier and wheel carrier apron realization central location to different hole diameters, guaranteed concentricity between them, can weld the operation such as after fixed completion, need the mode of changing the axle core according to the wheel carrier and the wheel carrier apron of different specifications among the prior art, the utility model discloses a combination frock can be adapted to the wheel carrier of multiple different specifications and the central location of wheel carrier apron, great promotion combination efficiency and positioning accuracy, simple structure, the practicality is stronger.

Drawings

Fig. 1 is a schematic structural diagram of a combined tool for laser welding of a planetary gear according to the present invention;

fig. 2 is a schematic structural view of a screw seat of a combined tool for laser welding of a planetary gear according to the present invention;

fig. 3 is a schematic view of a chute structure of a combined tool for laser welding of a planetary gear according to the present invention;

fig. 4 is the utility model provides a pin structure sketch map of a combination frock for planetary gear laser welding.

In the figure: 1. a clamp body; 2. a wheel carrier; 3. positioning a plate; 31. an arc-shaped plate; 32. a connecting plate; 4. a shaft core; 5. a screw; 6. a threaded seat; 7. a fixed seat; 8. a connecting rod; 9. a chute; 10. inserting a shaft; 101. a limiting part; 102. a spring button; 11. wheel carrier apron.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a combined tool for laser welding of a planetary gear comprises a clamp body 1, a wheel carrier 2 and a wheel carrier cover plate 11, wherein the middle part of the inner side of the clamp body 1 is fixedly provided with a shaft core 4 through a flange plate, and at least two groups of positioning plates 3 are arranged on the peripheral surface of the shaft core 4;

the positioning plate 3 is located in the center holes of the wheel carrier 2 and the wheel carrier cover plate 11, the shaft core 4 is provided with a driving component for driving the positioning plate 3 to move, and the driving component drives the positioning plate 3 to move away from the shaft core 4, so that the positioning plate 3 is abutted against the center holes of the wheel carrier 2 and the wheel carrier cover plate 11 to realize center positioning.

More in detail, the driving assembly is a screw rod 5, the screw rod 5 is in threaded connection with a shaft core 4, the outer side of the screw rod 5 is in threaded connection with a threaded seat 6, a fixed seat 7 is sleeved at the bottom of the shaft core 4, the fixed seat 7 well known to those skilled in the art is fixedly connected with the shaft core 4, connecting rods 8 are respectively connected between the threaded seat 6 and the fixed seat 7 and the bottom of the positioning plate 3 in a pin joint mode, the two groups of connecting rods 8 are arranged in a crossed mode, the middle of the two groups of connecting rods are connected in a pin joint mode, and a sliding chute 9 for the connecting rods 8 to slide is formed in the bottom of the positioning plate 3.

Furthermore, the positioning plate 3 includes an arc plate 31 and a connecting plate 32 located inside the arc plate 31, the connecting rod 8 is pin-connected to the bottom of the connecting plate 32, and the sliding slot 9 is opened on the end surface of the connecting plate 32.

That is, the end of the connecting rod 8 far away from the fixed seat 7 is rotatably connected with a roller through a pin shaft, and the roller is rotatably connected on the inner side of the sliding groove 9.

In order to facilitate the disassembly and maintenance of the connecting rod 8 and the positioning plate 3, the connecting rod 8 is rotatably connected with the threaded seat 6 and the fixing seat 7 through the inserting shaft 10, one end of the inserting shaft 10 is provided with a limiting part 101, one end of the inserting shaft 10, which is far away from the limiting part 101, is provided with a spring button 102, the inserting shaft 10 can be separated from the connecting rod 8 and the threaded seat 6 or the fixing seat 7 through pressing the spring button 102, and at the moment, a user can disassemble the whole connecting rod 8 and the positioning plate 3 to realize replacement and maintenance.

It should be noted that the positioning plates 3 are provided with four sets, and the four sets of positioning plates 3 are equidistantly arranged along the circumference of the outer circumferential surface of the shaft core 4.

The utility model discloses in the outside of axle core 4 is located to wheel carrier 2 and wheel carrier apron 11 cover in proper order, the rotatable screw rod 5 of user this moment, screw rod 5 drive screw thread seat 6 removes, and cooperation drive locating plate 3 through two sets of connecting rods 8 outwards removes, thereby realizes realizing the central location to wheel carrier 2 and the wheel carrier apron 11 of different hole diameters, has guaranteed concentricity between them, can weld the operation such as after fixed accomplishing, need the mode of changing axle core 4 according to wheel carrier 2 and the wheel carrier apron 11 of different specifications for among the prior art, the utility model discloses a combination frock can adapt to the central location of wheel carrier 2 and the wheel carrier apron 11 of multiple different specifications, great promotion combined efficiency and positioning accuracy, simple structure, the practicality is stronger.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a combination frock for planetary gear laser welding, includes the anchor clamps body (1), wheel carrier (2) and wheel carrier apron (11), its characterized in that: a shaft core (4) is fixedly arranged in the middle of the inner side of the clamp body (1) through a flange plate, and at least two groups of positioning plates (3) are arranged on the peripheral surface of the shaft core (4);

the positioning plate (3) is located in the center holes of the wheel carrier (2) and the wheel carrier cover plate (11), a driving assembly used for driving the positioning plate (3) to move is arranged on the shaft core (4), and the driving assembly drives the positioning plate (3) to move away from the shaft core (4), so that the positioning plate (3) abuts against the center holes of the wheel carrier (2) and the wheel carrier cover plate (11) to achieve center positioning.

2. The combined tool for the laser welding of the planet gears according to claim 1, is characterized in that: the drive assembly is a screw rod (5), the screw rod (5) is in threaded connection with a shaft core (4), the outer side of the screw rod (5) is in threaded connection with a threaded seat (6), the bottom of the shaft core (4) is sleeved with a fixed seat (7), the threaded seat (6) and the fixed seat (7) are in pin joint with a connecting rod (8) between the bottoms of the positioning plates (3), the connecting rods (8) are in cross arrangement and are in middle pin joint, and the bottom of the positioning plate (3) is provided with a sliding chute (9) for the connecting rod (8).

3. The combined tool for the laser welding of the planet gears according to claim 2, is characterized in that: the positioning plate (3) comprises an arc-shaped plate (31) and a connecting plate (32) located on the inner side of the arc-shaped plate (31), the connecting rod (8) is in pin joint with the bottom of the connecting plate (32), and the sliding groove (9) is formed in the end face of the connecting plate (32).

4. The combined tool for the laser welding of the planet gears according to claim 2, is characterized in that: one end, far away from the fixing seat (7), of the connecting rod (8) is rotatably connected with a roller through a pin shaft, and the roller is rotatably connected to the inner side of the sliding groove (9).

5. The combined tool for the laser welding of the planet gears is characterized in that the tool comprises a base and a base; the connecting rod (8) is rotatably connected with the threaded seat (6) and the fixing seat (7) through an inserting shaft (10), one end of the inserting shaft (10) is provided with a limiting part (101), and one end of the inserting shaft (10), which is far away from the limiting part (101), is provided with a spring button (102).

6. The combined tool for the laser welding of the planet gears according to claim 1, is characterized in that: the four positioning plates (3) are arranged in four groups, and the four positioning plates (3) are arranged along the circumference of the outer peripheral surface of the shaft core (4) at equal intervals.