CN211102153U

CN211102153U - Welding equipment for stator shell of servo motor

Info

Publication number: CN211102153U
Application number: CN201921783512.4U
Authority: CN
Inventors: 刘楠
Original assignee: Nanjing Ruiyi Intelligent Technology Co ltd
Current assignee: Nanjing Ruiyi Intelligent Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-28
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a welding device for a stator shell of a servo motor, which comprises a frame, a lifting positioner arranged at the side part of the frame, a pressing tool arranged at the middle part of the frame, and a pre-pressing tool arranged at the other side part of the frame; the rack is positioned below the pressing tool and the pre-pressing tool and is connected with a rotary feeding table through a cam divider; the inner side part of the lifting positioner is connected with a rotary positioner, and the rotary positioner is connected with a double-head or multi-head welding gun through a connecting support. The utility model has the characteristics of degree of automation is high, the commonality is stronger, the security is high, production efficiency is high.

Description

Welding equipment for stator shell of servo motor

Technical Field

The utility model relates to a welding equipment, concretely relates to welding equipment of servo motor stator shell.

Background

At present, a domestic servo motor is in a well-jet type development stage, the servo motor is widely applied to the fields of ATM machines, inkjet printers, carving machines, pictorial machines, spraying equipment, medical instruments and equipment, computer peripherals, mass storage equipment, precision instruments, industrial control systems, office automation, robots, textile machinery equipment and the like, and the application field is continuously widened. The welding process in the manufacturing process flow of the servo motor is not only a bottleneck takt process, but also various occupational diseases can be caused by long-term damage of welding radiation to human bodies. The traditional laser welding machine is matched with the positioner, and welds in sequence one by one, so that huge waste of working hours is brought. In order to save welding time, the full-length welding of the stator shell is changed into a multi-spot welding process by some previous enterprises, but the quality of products is greatly reduced. At present, manufacturers begin to research and develop special welding equipment for stator shells of servo motors, but many problems still need to be solved urgently: (1) the cost advantage is not obvious: due to the fact that the six-joint robot is remarkable in popularization and price advantages, many companies choose to carry the laser welding equipment by the six-joint robot to achieve automatic welding operation, but the cost of the six-joint robot is not superior; (2) the productivity advantage is not obvious: the traditional welding machine needs to be firstly hooped by a tool and then a chuck of the positioner is arranged, so that the clamping process is complicated in action and takes too long time; (3) laser zooming is uncontrollable: the traditional special welding machine needs manual adjustment or manual input of focal length, otherwise, the welding quality is unqualified, and a small amount of unqualified products or a large amount of unqualified products are often caused by negligence of operators; (4) the operational safety is not high: the welding energy of laser welding is concentrated, and although people are far away from the laser generator, the injury of the arc light to eyes still exists, so that the effective protection is very necessary.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims to provide a welding equipment of servo motor stator shell that degree of automation is high, the commonality is stronger, the security is high, production efficiency is high to the not enough of prior art.

The technical scheme is as follows: the utility model relates to a welding device for a stator shell of a servo motor, which comprises a frame, a lifting positioner arranged at the side part of the frame, a pressing tool arranged at the middle part of the frame, and a pre-pressing tool arranged at the other side part of the frame;

the rack is positioned below the pressing tool and the pre-pressing tool and is connected with a rotary feeding table through a cam divider;

the lateral part of the lifting positioner is connected with a rotary positioner, and the rotary positioner is connected with a double-head or multi-head welding gun through a connecting support.

Preferably, the pressing tool comprises a pressing cylinder installed at the top of the rack, the pressing cylinder is connected with a gland through a pressing rod in the longitudinal direction, and the gland is arranged above the rotary feeding table.

Preferably, the pre-pressing tool comprises a pre-pressing cylinder arranged at the top of the frame, the pre-pressing cylinder is connected with a pre-pressing plate through a pre-pressing rod along the longitudinal direction, and the pre-pressing plate is arranged above the rotary feeding table.

Preferably, the rotary feeding table comprises a rotary disc arranged on the cam divider, and a plurality of station trays are distributed on the rotary disc.

Preferably, four station trays are uniformly distributed on the turntable.

Preferably, a cushion block is arranged between the rotating disc and the frame.

Preferably, a cross brace is transversely arranged between the pressing tool and the pre-pressing tool.

Preferably, a protection plate is arranged between the pressing tool and the pre-pressing tool along the longitudinal direction.

Preferably, the outer periphery of the frame is provided with a protective device.

Preferably, the protection device comprises a safety grating arranged on the periphery of the frame and a shading curtain arranged on the safety grating.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model uses double-head or multi-head welding gun to weld the workpiece on the feeding platform, and realizes automatic welding operation by the fixed-point feeding and discharging of the stator shell of the safe area with the assistance of the functions of turntable and radiation isolation; the utility model discloses be suitable for the welding of the stator casing in the certain size range, accord with the development principle that the people was traded to national robot and safety in production, production efficiency is higher than the automatic weld workstation of manipulator and six joint robot far away.

Drawings

Fig. 1 is a structural diagram of a novel pneumatic pallet lifting table according to the embodiment of the present invention.

Fig. 2 is a partial view of an embodiment of the present invention.

Fig. 3 is a partial view of an embodiment of the present invention.

In the attached drawing, the device comprises a rack 1, a lifting positioner 2, a pressing tool 3, a pre-pressing tool 4, a cam divider 5, a rotary feeding table 6, a rotary positioner 7, a connecting support 8, a double-head laser welding gun 9, a cushion block 10, a cross brace 11, a protective plate 12, a pressing cylinder 3-1, a pressing rod 3-2, a pressing cover 3-3, a pre-pressing cylinder 4-1, a pre-pressing rod 4-2, a pre-pressing plate 4-3, a rotating disc 6-1 and a station pallet 6-2.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the specific embodiments and the attached drawings, but the scope of the present invention is not limited to the embodiments.

Examples

Referring to fig. 1-3, the welding equipment for the stator shell of the servo motor comprises a frame 1, a lifting positioner 2 arranged on the side part of the frame 1, a pressing tool 3 arranged in the middle of the frame 1, and a pre-pressing tool 4 arranged on the other side part of the frame 1; the frame 1 is positioned below the pressing tool 3 and the pre-pressing tool 4 and is connected with a rotary feeding table 6 through a cam divider 5; the side part of the lifting positioner 2 is connected with a rotary positioner 7, and the rotary positioner 7 is connected with a double-head laser welding gun 9 through a connecting bracket 8.

Further, the pressing tool 3 comprises a pressing cylinder 3-1 installed at the top of the rack 1, the pressing cylinder 3-1 is connected with a gland 3-3 through a pressure rod 3-2 along the longitudinal direction, and the gland 3-3 is arranged above the rotary feeding table 6.

Further, the pre-pressing tool 4 comprises a pre-pressing cylinder 4-1 installed at the top of the rack 1, the pre-pressing cylinder 4-1 is connected with a pre-pressing plate 4-3 through a pre-pressing rod 4-2 along the longitudinal direction, and the pre-pressing plate 4-3 is arranged above the rotary feeding table 6.

Further, the rotary feeding table 6 comprises a rotary disc 6-1 arranged on the cam divider 5, and four station trays 6-2 are uniformly distributed on the rotary disc 6-1.

Furthermore, a cushion block 10 is arranged between the turntable 6-1 and the rack 1; a cross brace 11 is transversely arranged between the pressing tool 3 and the pre-pressing tool 4; a protection plate 12 is arranged between the pressing tool 3 and the pre-pressing tool 4 along the longitudinal direction; the periphery of frame 1 is equipped with protector, protector is including the safe grating of locating the frame periphery, and installs the window shade on safe grating.

In the embodiment, manual operation can be carried out, in order to realize automation of the equipment, the lifting positioner 2, the pressing tool 3, the pre-pressing tool 4, the cam divider 5, the rotary positioner 7 and the double-head laser welding gun 9 can be controlled by a PC L control system, in addition, in order to match with the automation, safety and detection devices such as stator shell in-place detection, error prevention detection, safety interlocking, double-hand buttons and the like are further arranged at corresponding positions on the equipment, after a P L C instruction is received by the four-station rotary feeding table 6, the existence of a workpiece on a welding station is judged through rotary deflection, finally, the P L C determines that the welding stator shell is in place, in addition, after the preset parameter setting/selection, the height and the circumferential position of the lifting positioner 2, the rotary positioner 7 and the double-head laser welding gun 9 are automatically adjusted through three functional modules of common focal length adjustment, the laser focal length and the power are automatically adjusted, the spatial position of the collimation focusing head is adjusted at the same time, the difference and the targeted welding function adjustment are realized, in addition, the welding seam tracking function can be added according to further, the effective monitoring process of the welding process can be judged through a real-time, and communication protocol can be also adopted, and the communication of a profinet can be controlled by an upper communication protocol, and the communication protocol.

In the embodiment, the double-head welding gun performs welding operation, a turntable station and a radiation isolation function are assisted, and automatic welding operation is realized by fixed-point feeding and discharging of a stator shell in a safe region; this embodiment is suitable for the welding of stator casing in certain size range, accords with the development principle that the national robot trades people and safety in production, and production efficiency is higher than the automatic weld workstation of manipulator and six joint robot far away.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The welding equipment for the stator shell of the servo motor is characterized by comprising a rack, a lifting positioner, a pressing tool and a pre-pressing tool, wherein the lifting positioner is arranged on the side part of the rack;

the inner side part of the lifting positioner is connected with a rotary positioner, and the rotary positioner is connected with a double-head or multi-head welding gun through a connecting support.

2. The welding equipment according to claim 1, wherein the pressing tool comprises a pressing cylinder mounted at the top of the frame, the pressing cylinder is connected with a gland in the longitudinal direction through a pressing rod, and the gland is arranged above the rotary feeding table.

3. The welding equipment according to claim 1 or 2, wherein the pre-pressing tool comprises a pre-pressing cylinder installed at the top of the frame, the pre-pressing cylinder is connected with a pre-pressing plate through a pre-pressing rod in the longitudinal direction, and the pre-pressing plate is arranged above the rotary feeding table.

4. Welding apparatus according to claim 1 or 2, wherein the rotary feed table comprises a turntable mounted on a cam divider, the turntable having a plurality of station trays distributed thereon.

5. Welding equipment according to claim 4, characterized in that four station trays are evenly distributed on the rotating disc.

6. The welding apparatus of claim 4, wherein a spacer is disposed between the turntable and the frame.

7. The welding equipment according to claim 1 or 2, wherein a cross brace is arranged between the pressing tool and the pre-pressing tool along the transverse direction.

8. The welding equipment according to claim 1 or 2, wherein a protection plate is arranged between the pressing tool and the pre-pressing tool along the longitudinal direction.

9. Welding apparatus according to claim 1 or 2, wherein the outer periphery of the frame is provided with shielding means.

10. The welding apparatus of claim 9, wherein the shielding device comprises a safety light barrier disposed at an outer periphery of the frame, and a light blocking curtain mounted on the safety light barrier.