CN117068743A

CN117068743A - Clamping and overturning device for to-be-assembled piece and production line of motor

Info

Publication number: CN117068743A
Application number: CN202311279429.4A
Authority: CN
Inventors: 薛金良; 杨坤; 张卫东; 余卫龙
Original assignee: CRRC Yongji Electric Co Ltd
Current assignee: CRRC Yongji Electric Co Ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2023-11-17

Abstract

The embodiment of the application provides a clamping and overturning device for a piece to be assembled and a production line of a motor, comprising a main body, an overturning mechanism and a clamping mechanism; the turnover mechanism comprises a turnover frame and a turnover cylinder, the turnover frame is arranged on the main body, and the turnover cylinder is arranged on the main body and used for driving the turnover frame to rotate; the clamping mechanism is arranged on the roll-over stand and used for clamping the piece to be assembled. According to the clamping and overturning device disclosed by the embodiment of the application, the clamping mechanism realizes the function of clamping the part to be assembled by driving the corresponding clamping jaw assemblies to open or close through the pair of clamping cylinders, the overturning frame is driven by the overturning cylinders to drive the clamping mechanism to rotate, the overturning function of the clamped part is realized, the clamping and overturning functions are realized by utilizing the cylinder and the lever principle, and the assembly efficiency of a motor is improved.

Description

Clamping and overturning device for to-be-assembled piece and production line of motor

Technical Field

The application relates to the field of motor equipment, in particular to a clamping and overturning device for a piece to be assembled and a production line of a motor.

Background

In recent years, with the rapid development of new energy fields, the demand of motors is gradually increasing, and the desire to improve the production efficiency of motors is increasing. In the process of assembling motor parts, the parts are required to be taken out from the storage box, then the parts are overturned to be assembled, and the working efficiency is lower under the condition of no mechanical assistance.

How to provide a simple mechanical auxiliary means to realize the clamping and overturning functions becomes a key problem for improving the assembly work efficiency of the motor.

Disclosure of Invention

In view of the above, the embodiment of the application is expected to provide a clamping and overturning device for a to-be-assembled piece and a production line of a motor, so as to solve the problem of lower assembly work efficiency of the existing motor. To achieve the above object, a first aspect of an embodiment of the present application provides a gripping and turning device for a to-be-assembled member, including:

a main body;

the turnover mechanism comprises a turnover frame and a turnover cylinder, wherein the turnover frame is arranged on the main body, and the turnover cylinder is arranged on the main body and is used for driving the turnover frame to rotate; and

and the clamping mechanism is arranged on the roll-over stand and used for clamping the piece to be assembled.

Further, the gripping mechanism includes:

the clamping frame is connected with the roll-over stand;

the clamping cylinders are symmetrically arranged at two sides of the clamping frame;

a pair of clamping jaw arms respectively connected with the corresponding clamping cylinders; and

a pair of jaw assemblies respectively connected with the corresponding jaw arms;

the clamping jaw arms are rotatably connected with the clamping frame, and the clamping cylinders drive the corresponding clamping jaw arms to rotate so as to enable the clamping jaw assemblies to be opened or closed.

Further, the jaw assembly includes:

the clamping jaw is rotatably connected with the corresponding clamping jaw arm; and

and the rubber is connected with the clamping jaw.

Further, the jaw assembly is configured in an arc shape to clamp the cylindrical member to be assembled.

Further, the clamping jaw arm is V-shaped, the tip of the clamping jaw arm is rotatably connected with the clamping frame, and two ends of the clamping jaw arm are respectively connected with the clamping jaw and the clamping cylinder.

Further, the clamping mechanism further comprises a limiting part, the limiting part is arranged in the middle of the clamping frame and used for limiting the to-be-assembled piece to be in the clamping range of the clamping jaw assembly.

Further, the limiting component comprises a limiting upright post, a limiting ring and a rubber pad, wherein the limiting upright post is connected with the clamping frame, the limiting upright post is connected with the limiting ring, and the rubber pad is arranged on one side, close to the to-be-assembled piece, of the limiting ring.

Further, an adjusting groove is formed in the limiting upright post, and the limiting upright post is connected with the clamping frame through the adjusting groove so as to adjust the limiting distance of the limiting ring.

Further, the roll-over stand includes:

a fixed section connected with the main body;

the rotating section is rotatably connected with the fixed section; and

the stress section is arranged at one end of the rotating section, and the clamping mechanism is arranged at the other end of the rotating section;

the turnover cylinder is connected with the stress section, and drives the stress section to move, so that the rotation section drives the clamping mechanism to rotate.

Further, the clamping turnover device further comprises a controller and a control bracket, wherein the control bracket is connected with the main body, and the controller is arranged on the control bracket and used for respectively controlling the turnover mechanism and the clamping mechanism.

Further, the controller comprises two loosening keys arranged on two sides of the control bracket, wherein the two loosening keys are used for loosening the clamping mechanism, and the controller is configured to simultaneously press the two loosening keys to realize loosening of the clamping mechanism.

A second aspect of the embodiments of the present application provides a production line for a motor, including any one of the foregoing clamping and turning devices, configured to clamp a transmission gear of the motor.

According to the clamping and overturning device for the parts to be assembled and the production line of the motor, the clamping mechanism drives the corresponding clamping jaw assemblies to open or close through the pair of clamping cylinders, so that the function of clamping the parts to be assembled is achieved, the overturning frame is driven by the overturning cylinders to drive the clamping mechanism to rotate, the overturning function of the clamped parts is achieved, the clamping and overturning functions are achieved through the cylinder and the lever principle, and the assembly efficiency of the motor is improved.

Drawings

Fig. 1 is a perspective view of a clamping and turning device according to an embodiment of the present application;

fig. 2 is an assembled perspective view of a clamping and turning device according to an embodiment of the present application;

fig. 3 is a perspective view of a clamping mechanism of a clamping turnover device according to an embodiment of the present application;

FIG. 4 is an exploded view of a clamping mechanism of a clamping and turning device according to an embodiment of the present application;

FIG. 5 is an exploded view of a body and a turnover mechanism of a clamping turnover device according to an embodiment of the present application;

fig. 6 is an enlarged view of a portion a of a gripping and turning device according to an embodiment of the present application.

Description of the reference numerals

The main body 10, the tilting cylinder bracket 101, the conversion connector 102, the tilting mechanism 20, the tilting frame 21, the fixed section 211, the rotating section 212, the force section 213, the tilting cylinder 22, the gripping mechanism 30, the gripping frame 31, the gripping cylinder 32, the gripping arm 33, the jaw assembly 34, the jaw 341, the rubber 342, the limiting member 35, the limiting post 351, the limiting ring 352, the rubber pad 353, the control bracket 40, the controller 41, and the member 50 to be assembled.

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the application but are not intended to limit the scope of the application.

In the description of the embodiments of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and for simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present application.

In describing embodiments of the present application, it should be noted that the term "coupled" should be interpreted broadly, unless otherwise indicated and limited thereto, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present application will be understood in detail by those of ordinary skill in the art.

In embodiments of the application, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intervening medium.

In the description of the present specification, reference to the term "some embodiments" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Along with the rapid development of the new energy automobile industry, the demand of the market for the motor is larger and larger, and the requirement for the assembly and installation efficiency of the motor production link is higher and higher. In the assembly and installation process of cylindrical products such as motor transmission gears, parts are required to be taken out from a transport case and then turned over for assembly. At present, the process of taking out and overturning again is realized by manual carrying of workers, and the process is assisted by no mechanical means, so that the assembly and installation efficiency of the motor is greatly reduced.

In view of this, as shown in fig. 1 to 2, an embodiment of the present application provides a gripping and turning device for a piece to be assembled, including a main body 10, a turning mechanism 20 and a gripping mechanism 30. The turnover mechanism 20 includes a turnover frame 21 and a turnover cylinder 22, the turnover frame 21 is disposed on the main body 10, and the turnover cylinder 22 is disposed on the main body 10 for driving the turnover frame 21 to rotate. The gripping mechanism 30 is provided on the roll-over stand 21 for gripping the member 50 to be assembled.

The main body 10 can be connected with a single-arm crane or a cantilever crane, and the lifting, descending or left-right movement of the clamping and overturning device is realized by controlling the lifting tool. The overturning cylinder 22 drives the overturning frame 21 to rotate through telescopic movement, the clamping mechanism 30 is arranged on the overturning frame 21, and the overturning frame 21 drives the clamping mechanism 30 on the overturning frame to rotate together. The gripping mechanism 30 is capable of gripping the piece 50 to be assembled, for example a motor part, which may be a transmission gear, the tilting mechanism 20 is capable of tilting the piece 50 to a desired angle, and the spreader is capable of moving the piece 50 to a desired position. The clamping and overturning device is simple in mechanical structure and convenient and fast to operate, the assembly efficiency of products such as a motor is greatly improved, labor cost is saved, and accordingly the production efficiency of the products such as the motor is improved.

In some embodiments, as shown in fig. 3-4, the gripping mechanism 30 includes a gripping rack 31, a pair of gripping cylinders 32, a pair of jaw arms 33, and a pair of jaw assemblies 34. The gripping frame 31 is connected to the roll-over stand 21. The pair of jaw arms 33 are symmetrically disposed on both sides of the gripping frame 31, and the pair of jaw arms 33 are respectively connected to the respective gripping cylinders 32. A pair of jaw assemblies 34 are each connected to a respective jaw arm 33. Wherein the jaw arms 33 are rotatably coupled to the gripping frame 31, and the gripping cylinders 32 drive the respective jaw arms 33 to rotate to open or close a pair of jaw assemblies 34.

Specifically, one end of the telescopic cylinder rod of the clamping cylinder 32 is connected with the clamping jaw arm 33, for example, is connected with the clamping arm 31 by a pin shaft; the other end of the gripping cylinder 32 is connected to the gripping frame 31, for example, by means of a pin, to the gripping frame 31. The two ends of the clamping cylinder 32 are respectively connected with the clamping frame 31 and the clamping jaw arm 33 in a pin shaft mode, and the pin shaft connection is easy to detach and convenient to maintain and replace the clamping cylinder 32.

The clamping cylinder 32 may be a clamping cylinder, or a clamping cylinder.

Wherein, a pair of clamping cylinders 32 extend out of the cylinder rod to drive the clamping jaw arms 33 to drive the clamping jaw assemblies 34 to clamp the to-be-assembled piece 50; a pair of gripping cylinders 32 retract to cylinder bars to actuate jaw arms 33 to bring jaw assemblies 34 to release the pieces 50 to be assembled.

In some embodiments, as shown in fig. 4, the jaw assembly 34 includes a jaw 341 and a rubber 342. The jaws 341 are rotatably connected to the respective jaw arms 33. The rubber 342 is connected with the clamping jaw 341. Wherein the clamping jaws 341 are connected to the respective clamping jaw arms 33 by means of pins, it being possible to adapt differently shaped pieces 50 to be assembled by changing different clamping jaws 341. Meanwhile, the clamping jaw 341 is connected with the corresponding clamping jaw arm 33 through a pin shaft, so that the clamping jaw 341 is in a rotatable state and can be matched with a to-be-assembled piece 50 in a certain shape, and the clamping effect is better. The clamping jaw 341 is provided as a rotatable floating type, which can be applied to a certain diameter range of the to-be-assembled piece 50 when clamping the cylindrical to-be-assembled piece 50 such as a transmission gear of a motor. The rubber 342 and one side of the clamping jaw 341 close to the to-be-assembled piece 50 can be connected in an adhesive mode, and the rubber 342 and/or the clamping jaw 341 are/is coated with an adhesive, so that the connection strength of the rubber 342 and the clamping jaw 341 is enhanced. The shape of the rubber 342 is matched with the clamping jaw 341, so that the end face of the clamping jaw assembly 34 formed by combining the rubber 342 and the clamping jaw 341 after being connected is flat.

Further, the rubber 342 is made of rubber or soft material with a larger friction coefficient, so that friction force between the to-be-assembled piece 50 and the clamping jaw assembly 34 is increased, and the risk of dropping the to-be-assembled piece 50 in the clamping process is reduced. The safety of the clamping and overturning device during working is improved.

In some embodiments, as shown in fig. 4, the jaw assembly 34 is configured in an arcuate shape to grip a cylindrical part 50 to be assembled, such as a drive gear of a motor. Specifically, the radius of the arc of the clamping jaw assembly 34 is adapted to the radius of the to-be-assembled piece 50, so that the clamping jaw assembly 34 is tightly attached to the to-be-assembled piece 50 when clamped.

In some embodiments, as shown in fig. 4, the jaw arm 33 has a V-shape, the tip of the jaw arm 33 is rotatably connected to the gripping frame 31, and both ends of the jaw arm 33 are respectively connected to the jaw 341 and the gripping cylinder 32. The clamping jaw arm 33 is V-shaped, so that the cylinder rod of the clamping cylinder 32 can easily push the clamping jaw arm 33 to drive the clamping jaw 341 to rotate.

In some embodiments, as shown in fig. 3, the gripping mechanism 30 further includes a limiting member 35, where the limiting member 35 is disposed in the middle of the gripping frame 31, and the limiting member 35 is used to limit the to-be-assembled piece 50 so that the to-be-assembled piece 50 is within the gripping range of the jaw assembly 34. Further, when the to-be-assembled piece 50 is clamped, the limiting component 35 is flush with one end, close to the clamping frame 31, of the clamping jaw assembly 34, and the limiting component 35 does not occupy the clamping range of the clamping jaw assembly 34, so that the clamping range of the clamping jaw assembly 34 is utilized to the greatest extent.

In some embodiments, as shown in fig. 4, the limiting member 35 includes a limiting post 351, a limiting ring 352, and a rubber pad 353, the limiting post 351 is connected with the gripping frame 31, the limiting post 351 is connected with the limiting ring 352, and the rubber pad 353 is disposed on one side of the limiting ring 352 near the to-be-assembled member 50. Wherein, rubber pad 353 and spacing ring 352 can be connected through the mode of bonding, scribble the binder on rubber pad 353 and/or the spacing ring 352, and the shape and the spacing ring 352 looks adaptation of rubber pad 353 for the terminal surface of spacing ring 352 is leveled after rubber pad 353 and spacing ring 352 are connected.

In some embodiments, as shown in fig. 4, the limit post 351 has an adjusting groove 351a thereon, and the limit post 351 is connected to the gripping frame 31 through the adjusting groove 351a to adjust the limit distance of the limit ring 352. Wherein, the adjusting groove 351a is rectangular, oval or strip-shaped, the spacing upright post 351 is connected with the clamping frame 31 through a bolt, the bolt is arranged in the adjusting groove 351a, and the distance between the spacing ring 352 and the clamping frame 31 and the clamping jaw assembly 31 can be adjusted by adjusting the position of the bolt in the adjusting groove 351a so as to adapt to the to-be-assembled pieces 50 with different heights.

In some embodiments, as shown in fig. 5, roll-over stand 21 includes a stationary section 211, a rotating section 212, and a force-receiving section 213. The fixing section 211 is connected with the main body 10. The rotating section 212 is rotatably connected with the fixed section 211. The force-bearing section 213 is disposed at one end of the rotating section 212, and the gripping mechanism 30 is disposed at the other end of the rotating section 212. The overturning cylinder 22 is connected with the stress section 213, and the overturning cylinder 22 drives the stress section 213 to move so that the rotating section 212 drives the clamping mechanism 30 to rotate. The clamping mechanism 30 is connected with the rotating section 212 in a welding or bolting mode, so that the connection strength of the clamping mechanism 30 and the roll-over stand 21 is enhanced, and the risk of falling off of the clamping mechanism 30 in the roll-over process is reduced.

It should be noted that the extension of the tilt cylinder 22 from the cylinder rod driving force section 213 drives the tilt frame 21 and the gripping mechanism 30 thereon to perform the tilt up movement until the gripping mechanism 30 makes an angle of 90 ° with the main body 10. The tilting cylinder 22 retracts the cylinder rod driving force section 213 to drive the tilting frame 21 and the gripping mechanism 30 thereon to perform a tilting movement down until the gripping mechanism 30 is horizontal to the main body 10.

Further, the fixing section 211 is connected with the main body 10 by welding, enhancing the connection strength of the roll-over stand 21 with the main body 10. The rotating section 212 is rotatably connected with the fixed section 211 through a pin shaft, rollers are arranged at two ends of the pin shaft of the rotating section 212, and the rotating friction force between the rotating section 212 and the fixed section 211 is reduced. One end of the telescopic cylinder rod of the overturning cylinder 22 is connected with the stress section 213, and the other end of the overturning cylinder 22 is connected with the overturning cylinder bracket 101 on the main body 10 through the connection converter 102.

The tilt cylinder 22 may be a tilt cylinder, or a tilt cylinder.

In some embodiments, as shown in fig. 5, the gripping and flipping device further comprises a controller 41 and a control bracket 40, the control bracket 40 is connected to the main body 10, and the controller 41 is mounted on the control bracket 40 for controlling the flipping mechanism 20 and the gripping mechanism 30, respectively. The control bracket 40 is connected with the main body 10 by bolts or welding, and the controller 41 integrates the functions of controlling the telescopic cylinder rod of the overturning cylinder 22 and the clamping cylinder 32. At the same time, the controller of the lifting appliance can be arranged on the control bracket 40, so that the operation is convenient.

Further, the left and right sides of the control bracket 40 are respectively provided with a controller 41, and different or the same function keys can be provided on the controller 41 on each side, for example, a button such as "click loosening", "clamping", "loosening", "upturning", "downturning" and the like is provided on the controller 41 on one side, wherein "click loosening" is used for controlling the loosening of the clamping jaw in a small range, "clamping" is used for controlling the clamping jaw assembly 34 to clamp the assembly to be assembled, "loosening" is used for controlling the clamping jaw assembly 34 to loosen the assembly to be assembled, "upturning" is used for controlling the turnover mechanism 20 to upturning, and "downturning" is used for controlling the turnover mechanism 20 to downturn. The other side of the controller 41 is provided with keys such as a brake, a release, an ascending, a descending, a suspension balance and the like, wherein the brake is used for controlling a braking mechanism of the lifting appliance to stop the lifting appliance and the clamping turnover device thereof, the ascending and the descending are respectively used for controlling the lifting appliance to ascend and descend and the clamping turnover device thereof, and the suspension balance is used for controlling a suspension balance device of the lifting appliance to make the lifting appliance and the clamping turnover device thereof suspend and balance. The controllers 41 on the left side and the right side are provided with 'loosening' keys, corresponding functions can be realized only by pressing the keys simultaneously, an operator is reminded to operate with both hands, the risk of safety accidents caused by false touch is reduced, and the safety of the clamping and overturning device is enhanced.

In another aspect of the embodiment of the present application, a production line of a motor is provided, including any one of the above clamping and turning devices, which is used for clamping a transmission gear of the motor. The production line of the motor adopts all the technical schemes of the embodiments, so that the motor has at least the corresponding beneficial effects brought by the technical schemes of the embodiments, and the corresponding beneficial effects are not repeated here.

The various embodiments/implementations provided by the application may be combined with one another without contradiction.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A gripping and turning device for a piece to be assembled, comprising:

a main body;

2. The gripping and inverting device according to claim 1, wherein the gripping mechanism includes:

the clamping frame is connected with the roll-over stand;

3. The clamping and turning device as claimed in claim 2 wherein said jaw assembly comprises:

and the rubber is connected with the clamping jaw.

4. The clamping and turning device as claimed in claim 2, characterized in that the clamping jaw assembly is configured in the shape of a circular arc for clamping the cylindrical piece to be assembled.

5. The clamping and overturning device according to claim 2, wherein the clamping jaw arms are V-shaped, tips of the clamping jaw arms are rotatably connected with the clamping frame, and two ends of the clamping jaw arms are respectively connected with the clamping jaw and the clamping cylinder.

6. The clamping and turning device according to claim 2, wherein the clamping mechanism further comprises a limiting component arranged in the middle of the clamping frame, and the limiting component is used for limiting the to-be-assembled piece to be in the clamping range of the clamping jaw assembly.

7. The clamping and overturning device according to claim 6, wherein the limiting component comprises a limiting upright post, a limiting ring and a rubber pad, the limiting upright post is connected with the clamping frame, the limiting upright post is connected with the limiting ring, and the rubber pad is arranged on one side, close to the piece to be assembled, of the limiting ring.

8. The clamping and overturning device according to claim 7, wherein the limiting upright post is provided with an adjusting groove, and the limiting upright post is connected with the clamping frame through the adjusting groove so as to adjust the limiting distance of the limiting ring.

9. The gripping and turning device according to claim 1, wherein the roll-over stand includes:

a fixed section connected with the main body;

the rotating section is rotatably connected with the fixed section; and

10. The clamping and turning device as claimed in claim 1 further comprising a controller and a control bracket, said control bracket being connected to said main body, said controller being mounted on said control bracket for controlling said turning mechanism and said clamping mechanism, respectively.

11. The clamping and turning device as claimed in claim 10 wherein said controller comprises two release keys on either side of said control bracket, both release keys being used to release said clamping mechanism and configured to simultaneously depress both release keys to effect release of said clamping mechanism.

12. A production line for an electric machine, comprising:

the gripping and turning device according to any one of claims 1 to 11, for gripping a transmission gear of the motor.