CN113910283B

CN113910283B - Clamping device

Info

Publication number: CN113910283B
Application number: CN202111180690.XA
Authority: CN
Inventors: 柯晓鸿; 胡安涛; 钟隆裕; 李庆; 丘邦超; 杨猛; 左志军
Original assignee: Guangzhou Mino Equipment Co Ltd
Current assignee: Guangzhou Mino Equipment Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2023-08-04
Anticipated expiration: 2041-10-11
Also published as: CN113910283A

Abstract

The invention discloses a clamping device, which comprises: a bracket; the clamping assembly comprises a first clamping arm and a second clamping arm which are arranged on the bracket at intervals, and the first clamping arm is connected to the bracket in a sliding manner; the first driving piece is arranged on the bracket or the second clamping arm, and is provided with a telescopic output end, and the output end of the first driving piece can act on the first clamping arm and drive the first clamping arm to slide relative to the bracket; the adjusting mechanism is arranged between the first clamping arm and the output end of the first driving piece and can adjust the distance between the first clamping arm and the output end of the first driving piece. In the use, the maximum sliding travel of the first clamping arm and the second clamping arm can be adjusted through the adjusting mechanism, namely, the maximum sliding travel of the first clamping arm and the second clamping arm is not limited by the telescopic travel of the output end of the first driving piece, so that the clamping device can adapt to larger size change of the battery module.

Description

Clamping device

Technical Field

The invention relates to the technical field of new energy power batteries, in particular to a clamping device.

Background

On the automatic production line of the power battery of the new energy automobile, a clamping device is usually used for grabbing the battery module and matching with a robot to transfer the battery module, wherein the same automatic production line of the power battery of the new energy automobile is required to be compatible with battery modules of different sizes, the traditional clamping device can only grab the battery modules with similar sizes, and when the size change of the battery modules required to be grabbed is large, the traditional clamping device cannot meet the requirements, and inconvenience is brought to the production process.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a clamping device which can adapt to larger dimensional changes of a battery module.

According to an embodiment of the present invention, a clamping device includes: a bracket; the clamping assembly comprises a first clamping arm and a second clamping arm which are arranged on the bracket at intervals, and the first clamping arm is connected with the bracket in a sliding manner; the first driving piece is arranged on the bracket or the second clamping arm, and is provided with a telescopic output end, and the output end of the first driving piece can act on the first clamping arm and drive the first clamping arm to slide relative to the bracket so as to enable the first clamping arm and the second clamping arm to be close to or far away from each other; the adjusting mechanism is arranged between the first clamping arm and the output end of the first driving piece, and the adjusting mechanism can adjust the distance between the first clamping arm and the output end of the first driving piece.

The clamping device provided by the embodiment of the invention has at least the following beneficial effects: in the use process, the distance between the first clamping arm and the output end of the first driving piece can be adjusted through the adjusting mechanism, so that the maximum sliding travel of the first clamping arm and the second clamping arm is adjusted, namely, the maximum sliding travel of the first clamping arm and the second clamping arm is not limited by the telescopic travel of the output end of the first driving piece, and the clamping device can adapt to larger size change of the battery module.

According to some embodiments of the invention, the adjusting mechanism comprises an adjusting member and a first limiting member, one end of the adjusting member is connected to the output end of the first driving member, a plurality of annular clamping grooves are formed in the adjusting member and are arranged at intervals along the length direction of the adjusting member, a U-shaped clamping groove which is clamped with the annular clamping groove in a matched mode is formed in the first clamping arm, the first limiting member is detachably arranged on the first clamping arm, the first limiting member is located at the opening of the U-shaped clamping groove and can limit the adjusting member to be separated from the U-shaped clamping groove, and the main body of the first driving member is hinged to the second clamping arm.

According to some embodiments of the invention, the second clamp arm is slidably connected to the bracket, and a linkage assembly is disposed between the first clamp arm and the second clamp arm, so that the first clamp arm and the second clamp arm can slide synchronously in opposite directions.

According to some embodiments of the invention, the linkage assembly is a synchronous belt assembly, the synchronous belt assembly comprises a synchronous belt and two synchronous pulleys, the two synchronous pulleys are arranged on the bracket at intervals along the sliding direction of the first clamping arm, the synchronous belt is wound on the two synchronous pulleys, the first clamping arm is connected to one side of the synchronous belt, and the second clamping arm is connected to the other side of the synchronous belt.

According to some embodiments of the invention, a second limiting member is provided on the bracket for limiting a maximum sliding travel of the first and second clip arms.

According to some embodiments of the invention, the first driving member is one of a cylinder, a hydraulic cylinder, and an electric push rod.

According to some embodiments of the invention, two sides of the bracket are respectively provided with a limiting assembly, and the limiting assembly comprises: the connecting component is arranged on the side part of the bracket and is provided with an inclined mounting surface; the top of the third limiting piece is connected with the inclined mounting surface in a sliding manner; the second driving piece is arranged on the connecting assembly and is in transmission connection with the third limiting piece, and the second driving piece can drive the third limiting piece to slide along the inclined mounting surface, so that the two third limiting pieces respectively positioned on two sides of the bracket are close to or far away from each other.

According to some embodiments of the invention, a support part for supporting the battery module is provided at a lower part of the third limiting member.

According to some embodiments of the invention, the third limiting member is provided with a buffer member.

According to some embodiments of the invention, the second driving member is one of a cylinder, a hydraulic cylinder, and an electric push rod.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic overall structure of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged schematic view of a portion of FIG. 2 at B;

FIG. 4 is a schematic view of a portion of the structure of an embodiment of the present invention;

fig. 5 is a schematic structural view of a limiting component according to an embodiment of the present invention.

Reference numerals:

the device comprises a bracket 100, a second limiting member 110, a first clamping arm 200, a first connecting seat 210, a U-shaped clamping groove 211, a first avoiding opening 212, a first clamping part 220, a second clamping arm 300, a second connecting seat 310, a second avoiding opening 311, a second clamping part 320, a first driving member 400, an adjusting member 500, an annular clamping groove 510, a first limiting member 600, a synchronous belt assembly 700, a synchronous belt 710, a synchronous pulley 720, a limiting assembly 800, a connecting assembly 810, a fixing seat 811, a connecting member 812, a mounting plate 813, a third limiting member 820, a bearing part 821, a buffer member 822 and a second driving member 830.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that if an orientation or positional relationship such as upper, lower, front, rear, left, right, etc. is referred to in the description of the present invention, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, if a number, greater than, less than, exceeding, above, below, within, etc., words are present, wherein the meaning of a number is one or more, and the meaning of a number is two or more, greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number.

In the description of the present invention, the words first, second, etc. are used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, a clamping device according to an embodiment of the present invention includes a bracket 100, a clamping assembly, a first driving member 400, and an adjusting mechanism.

The support 100 is used for being connected with a mechanical arm of a robot, the clamping assembly comprises a first clamping arm 200 and a second clamping arm 300 which are arranged on the support 100 at intervals, the first clamping arm 200 is connected to the support 100 in a sliding mode, the first driving piece 400 is arranged on the support 100 or the second clamping arm 300, the first driving piece 400 is provided with a telescopic output end, the output end of the first driving piece 400 can act on the first clamping arm 200 and drive the first clamping arm 200 to slide relative to the support 100, so that the first clamping arm 200 and the second clamping arm 300 are close to or far away from each other, the adjusting mechanism is arranged between the first clamping arm 200 and the output end of the first driving piece 400, and the distance between the first clamping arm 200 and the output end of the first driving piece 400 can be adjusted by the adjusting mechanism.

In the use process, the distance between the first clamping arm 200 and the output end of the first driving piece 400 can be adjusted through the adjusting mechanism, so that the maximum sliding travel of the first clamping arm 200 and the second clamping arm 300 is adjusted, namely, the maximum sliding travel of the first clamping arm 200 and the second clamping arm 300 is not limited by the telescopic travel of the output end of the first driving piece 400, and the clamping device can adapt to larger dimensional change of the battery module.

Referring to fig. 1 to 4, in some embodiments, the adjusting mechanism includes an adjusting member 500 and a first limiting member 600, one end of the adjusting member 500 is connected to an output end of the first driving member 400, a plurality of annular clamping grooves 510 are provided on the adjusting member 500, the plurality of annular clamping grooves 510 are arranged at intervals along a length direction of the adjusting member 500, a U-shaped clamping groove 211 engaged with the annular clamping groove 510 is provided on the first clamping arm 200, the first limiting member 600 is detachably provided on the first clamping arm 200, the first limiting member 600 is located at an opening of the U-shaped clamping groove 211 and can limit the adjusting member 500 from being separated from the U-shaped clamping groove 211, and a main body of the first driving member 400 is hinged on the second clamping arm 300. When the distance between the first clamping arm 200 and the output end of the first driving member 400 needs to be adjusted, the first limiting member 600 is detached from the first clamping arm 200, and then the main body of the first driving member 400 is driven to rotate relative to the second clamping arm 300, so that the output end of the first driving member 400 drives the adjusting member 500 to disengage from the U-shaped clamping groove 211, and then the first clamping arm 200 is driven to slide relative to the bracket 100, and the U-shaped clamping groove 211 is engaged with other annular clamping grooves 510, and finally the first limiting member 600 is reinstalled on the first clamping arm 200.

In some embodiments, the second clamp arm 300 is slidably coupled to the bracket 100, and a linkage assembly is provided between the first and second clamp arms 200 and 300 to enable the first and second clamp arms 200 and 300 to slide in opposite directions simultaneously. The linkage assembly can enable the first clamping arm 200 and the second clamping arm 300 to be clamped in a centering mode, so that the clamping device only needs to position the middle position of the battery module when being matched with the robot to grasp the battery module, and even if the size of the battery module to be grasped changes, the robot does not need to be taught and positioned again.

Referring to fig. 1 and 4, in some embodiments, the bracket 100 is rod-shaped, the first clamping arm 200 includes a first connection seat 210 and a first clamping portion 220, the first connection seat 210 is provided with a first avoidance opening 212, the bracket 100 is arranged in the first avoidance opening 212 in a penetrating manner and is slidably connected with the first connection seat 210, the U-shaped clamping groove 211 is arranged at the top of the first connection seat 210, the first clamping portion 220 is arranged at the bottom of the first connection seat 210, the second clamping arm 300 includes a second connection seat 310 and a second clamping portion 320, the second connection seat 310 is provided with a second avoidance opening 311, the bracket 100 is arranged in the second avoidance opening 311 in a penetrating manner and is slidably connected with the second connection seat 310, the main body of the first driving member 400 is hinged at the top of the second connection seat 310, and the second clamping portion 320 is arranged at the bottom of the second connection seat 310. The sliding connection structure between the first connection base 210 and the second connection base 310 and the bracket 100 is well known in the art, and will not be described herein.

In some embodiments, one end of the adjusting member 500 is detachably connected to the output end of the first driving member, and the other end of the adjusting member 500 is detachably connected to the first clamping arm, so that when the distance between the first clamping arm and the output end of the first driving member needs to be adjusted, the adjusting member 500 with different lengths may be replaced, which is not limited herein.

Referring to fig. 1 and 2, in some embodiments, the linkage assembly is a synchronous belt assembly 700, the synchronous belt assembly 700 includes a synchronous belt 710 and two synchronous pulleys 720, the two synchronous pulleys 720 are disposed on the bracket 100 at intervals along the sliding direction of the first clamping arm 200, the synchronous belt 710 is wound on the two synchronous pulleys 720, the first clamping arm 200 is connected to one side of the synchronous belt 710, and the second clamping arm 300 is connected to the other side of the synchronous belt 710, which is simple in structure and easy to implement. Specifically, the first connecting seat 210 is connected to one side of the synchronous belt 710, and the second connecting seat 310 is connected to the other side of the synchronous belt 710.

In some embodiments, the synchronous pulley may be replaced by a sprocket, and the corresponding synchronous belt may be replaced by a transmission chain, which is not limited herein.

It should be noted that, in some embodiments, the linkage assembly may also be a rack-and-pinion assembly, and specifically includes a transmission gear and two transmission racks, where the transmission gear is rotatably disposed on the support 100, the two transmission racks are disposed on the support 100 along the sliding direction of the first clamping arm and are respectively located at two sides of the transmission gear, the two transmission racks are respectively meshed with the transmission gear, the first clamping arm is connected to one of the transmission racks, and the second clamping arm is connected to the other transmission rack, which is not limited herein.

Referring to fig. 1 and 2, in some embodiments, the bracket 100 is provided with a second limiting member 110 for limiting the maximum sliding travel of the first clamping arm 200 and the second clamping arm 300, which is beneficial to improving the stability and reliability of the clamping device during operation. Specifically, the number of the second limiting members 110 is two, where one second limiting member 110 is disposed on the sliding path of the first connecting seat 210, and the other second limiting member 110 is disposed on the sliding path of the second connecting seat 310, and of course, the number of the second limiting members may also be one, and the second limiting members are disposed on the sliding path of the first connecting seat or the second connecting seat, which is not limited herein.

Referring to fig. 1 and 4, in some embodiments, the first driving member 400 is a cylinder, and in particular, a cylinder of the first driving member 400 is hinged to the top of the second connection base 310, and a piston rod of the first driving member 400 is connected to the adjusting member 500.

It should be noted that, in some embodiments, the first driving member may also be a hydraulic cylinder or an electric push rod, which is not limited herein.

Referring to fig. 1 and 5, in some embodiments, two sides of the bracket 100 are provided with a limiting assembly 800, respectively, and the limiting assembly 800 includes a connection assembly 810, a third limiting member 820, and a second driving member 830.

The connecting component 810 is arranged at the side part of the bracket 100, the connecting component 810 is provided with an inclined mounting surface, the third limiting piece 820 is vertically arranged, the top of the third limiting piece 820 is slidably connected to the inclined mounting surface, the second driving piece 830 is arranged on the connecting component 810 and is in transmission connection with the third limiting piece 820, and the second driving piece 830 can drive the third limiting piece 820 to slide along the inclined mounting surface so that two third limiting pieces 820 respectively positioned at two sides of the bracket 100 are close to or far away from each other. After the first and second clamping arms 200 and 300 grip the battery module, the third limiting members 820 are driven to slide along the inclined mounting surface by the second driving member 830, so that the two third limiting members 820 respectively positioned at both sides of the bracket 100 are close to each other to limit the two sides of the battery module, so that the clamping device can grip the battery module more stably.

Referring to fig. 5, in some of the embodiments, a support part 821 for supporting the battery module is provided at the lower part of the third stopper 820, and the support part 821 can prevent the battery module from falling when the first and second clamping arms 200 and 300 fail to clamp the battery module due to abnormality.

Referring to fig. 5, in some of the embodiments, the third stopper 820 is provided with a buffer 822 to facilitate preventing the battery module from being scratched by the third stopper 820. The cushioning member 822 may be a rubber pad, a sponge pad, or other cushioning member, and is not limited herein.

Referring to fig. 5, in some embodiments, the second driving member 830 is an air cylinder, specifically, the connection assembly 810 includes a fixing seat 811, a connecting member 812 and a mounting plate 813, the fixing seat 811 is disposed on a side portion of the bracket 100, the mounting plate 813 is connected to the fixing seat 811 through the connecting member 812, the mounting plate 813 is obliquely disposed to form an oblique mounting surface, a top portion of the third limiting member 820 is slidably connected to the mounting plate 813, a cylinder barrel of the second driving member 830 is disposed on the mounting plate 813, and a piston rod of the second driving member 830 is connected to the top portion of the third limiting member 820, wherein a sliding connection structure between the third limiting member 820 and the mounting plate 813 is a well-known technology in the art and will not be repeated herein.

It should be noted that, in some embodiments, the second driving member may also be a hydraulic cylinder or an electric push rod, which is not limited herein.

In the description of the present specification, if reference is made to "one embodiment," "some embodiments," "an exemplary embodiment," "an example," "a particular example," and "some examples," etc., the description of the reference term 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 invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A clamping device, comprising:

a bracket (100);

the clamping assembly comprises a first clamping arm (200) and a second clamping arm (300) which are arranged on the bracket (100) at intervals, and the first clamping arm (200) is connected with the bracket (100) in a sliding manner;

the first driving piece (400) is arranged on the bracket (100) or the second clamping arm (300), the first driving piece (400) is provided with a telescopic output end, and the output end of the first driving piece (400) can act on the first clamping arm (200) and drive the first clamping arm (200) to slide relative to the bracket (100) so as to enable the first clamping arm (200) and the second clamping arm (300) to be close to or far away from each other;

the adjusting mechanism is arranged between the first clamping arm (200) and the output end of the first driving piece (400), the adjusting mechanism can adjust the distance between the first clamping arm (200) and the output end of the first driving piece (400), the adjusting mechanism comprises an adjusting piece (500), one end of the adjusting piece (500) is connected to the output end of the first driving piece (400), a plurality of annular clamping grooves (510) are formed in the adjusting piece (500), the annular clamping grooves (510) are arranged at intervals along the length direction of the adjusting piece (500), and U-shaped clamping grooves (211) which are clamped in a matched mode are formed in the first clamping arm (200).

2. The clamping device as claimed in claim 1, characterized in that the adjusting mechanism comprises a first limiting member (600), the first limiting member (600) is detachably arranged on the first clamping arm (200), the first limiting member (600) is located at an opening of the U-shaped clamping groove (211) and can limit the adjusting member (500) to be separated from the U-shaped clamping groove (211), and the main body of the first driving member (400) is hinged on the second clamping arm (300).

3. The clamping device according to claim 1, wherein the second clamping arm (300) is slidably connected to the bracket (100), and a linkage assembly is provided between the first clamping arm (200) and the second clamping arm (300) so that the first clamping arm (200) and the second clamping arm (300) can slide synchronously in opposite directions.

4. A clamping device as claimed in claim 3, characterized in that the linkage assembly is a synchronous belt assembly (700), the synchronous belt assembly (700) comprises a synchronous belt (710) and two synchronous pulleys (720), the two synchronous pulleys (720) are arranged on the bracket (100) at intervals along the sliding direction of the first clamping arm (200), the synchronous belt (710) is wound on the two synchronous pulleys (720), the first clamping arm (200) is connected to one side of the synchronous belt (710), and the second clamping arm (300) is connected to the other side of the synchronous belt (710).

5. A clamping device according to claim 3, characterized in that the bracket (100) is provided with a second stop (110) for limiting the maximum sliding travel of the first clamping arm (200) and the second clamping arm (300).

6. The clamping device of any of claims 1 to 5, wherein the first driving member (400) is one of a cylinder, a hydraulic cylinder, and an electric push rod.

7. Clamping device according to claim 1, wherein a limiting assembly (800) is provided on each side of the bracket (100), the limiting assembly (800) comprising:

a connection assembly (810), the connection assembly (810) being provided at a side portion of the bracket (100), the connection assembly (810) having an inclined mounting surface;

the top of the third limiting piece (820) is connected with the inclined mounting surface in a sliding manner;

the second driving piece (830), the second driving piece (830) set up in on the coupling assembling (810) and with third locating part (820) transmission connection, second driving piece (830) can drive third locating part (820) are followed slope installation face slides, so that are located respectively two third locating part (820) of support (100) both sides are close to each other or keep away from.

8. The clamping device according to claim 7, wherein the lower part of the third stopper (820) is provided with a supporting part (821) for supporting the battery module.

9. Clamping device according to claim 7, characterized in that the third stop (820) is provided with a buffer (822).

10. The clamping device according to any of the claims 7 to 9, characterized in that the second driving member (830) is one of a cylinder, a hydraulic cylinder, an electric push rod.

11. The clamping device as claimed in claim 1, characterized in that the first clamping arm (200) comprises a first connecting seat (210) and a first clamping portion (220), the U-shaped clamping groove (211) is arranged at the top of the first connecting seat (210), and the first clamping portion (220) is arranged at the bottom of the first connecting seat (210).

12. Clamping device according to claim 1, wherein the adjusting member (500) is detachably connected at one end to the output end of the first driving member (400) and at the other end to the first clamping arm (200).

13. Clamping device according to claim 4, characterized in that the synchronous pulley (720) is replaced by a sprocket and the synchronous belt (710) is replaced by a drive chain.

14. A clamping device as claimed in claim 3, characterized in that the linkage assembly comprises a transmission gear and two transmission racks, which are respectively intermeshed with the transmission gear, the first clamping arm (200) being connected to one of the transmission racks and the second clamping arm (300) being connected to the other transmission rack.

15. The clamping device according to claim 7, wherein the connecting assembly (810) comprises a fixing seat (811), a connecting piece (812) and a mounting plate (813), the fixing seat (811) is arranged on the side portion of the bracket (100), the mounting plate (813) is connected with the fixing seat (811) through the connecting piece (812), the mounting plate (813) is obliquely arranged to form the inclined mounting surface, and the top of the third limiting piece (820) is slidably connected with the mounting plate (813).