CN221210467U

CN221210467U - Quick connecting device

Info

Publication number: CN221210467U
Application number: CN202322578675.1U
Authority: CN
Inventors: 邵立早; 张瑞英; 夏军超; 李志国; 解席洋
Original assignee: Stuaa Automation Qingdao Co ltd
Current assignee: Stuaa Automation Qingdao Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-06-25
Anticipated expiration: 2033-09-21

Abstract

The utility model discloses a quick connecting device, which comprises a first connecting module and a second connecting module; the first connecting module comprises a cross shaft connector and a first connecting piece; the cross shaft connector comprises a first rotating shaft and a second rotating shaft; the first rotating shaft is connected with the first connecting piece and rotates relative to the first connecting piece; the first connecting piece is used for being fixedly connected with the overturning equipment; the second connecting module comprises a second connecting assembly and a shaft connecting assembly; the shaft connecting assembly comprises at least one shaft accommodating piece and at least one shaft blocking piece; the shaft accommodating piece is fixedly connected with the second connecting component, and a first groove is formed and comprises a first notch which does not face the second connecting component; the shaft blocking piece is arranged at the first notch and is detachably and fixedly connected with the shaft containing piece; the second rotating shaft is arranged in the first groove; the shaft blocking piece is used for blocking the first notch; the second rotating shaft can rotate around the axis of the second rotating shaft relative to the shaft accommodating piece; the second connecting component is used for being fixedly connected with the welding workpiece. And the installation efficiency and the butting precision of the butting piece are improved.

Description

Quick connecting device

Technical Field

The utility model belongs to the technical field of robot welding, and particularly relates to a quick connecting device.

Background

Along with the strong promotion of robot welding technique at the enterprise, more and more enterprises begin to adopt flexible robot welding system to weld panel work piece, because work piece size per se is big, the kind is many, and manual work carries out clamping location to the work piece and is comparatively time-consuming and laborious, and robot welding also can't exert its quick accurate advantage.

At present, a positioning and clamping device is arranged on a turnover device, a workpiece is installed on the turnover device by using a lifting device, the workpiece to be welded is fixed by a clamp on the turnover device, then the position of the workpiece is adjusted by the turnover device, and the welding posture of the workpiece is changed to meet the welding requirement of a robot. Because the appearance of the workpiece is larger, the center height of the turnover equipment is higher, and the manual operation is very inconvenient; in addition, in the process of installing the workpiece, the manual clamping is inaccurate in positioning the workpiece, repeated adjustment is needed, and the welding working efficiency of the robot is seriously affected. Therefore, how to quickly and accurately mount the workpiece on the flipping equipment is critical to the improvement of the efficiency of the flexible robotic welding system.

Disclosure of Invention

The utility model provides a quick connecting device which improves the efficiency of installing a workpiece on overturning equipment and further improves the welding efficiency.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

A quick connection device comprises a first connection module and a second connection module;

The first connecting module comprises a cross shaft connector and a first connecting piece; the cross shaft connector comprises a first rotating shaft and a second rotating shaft which are fixedly connected in a cross manner; the first rotating shaft is connected with the first connecting piece and can rotate around the axis of the first connecting piece relative to the first connecting piece; the first connecting piece is used for being fixedly connected with the overturning equipment;

The second connecting module comprises a second connecting assembly and a shaft connecting assembly; the shaft connection assembly includes at least one shaft receiver and at least one shaft blocker; the shaft receiving member is formed with a first groove including a first notch; the shaft blocking piece is arranged at the first notch and is detachably and fixedly connected with the shaft containing piece; the second rotating shaft is arranged in the first groove; the shaft block seals the first notch; the second rotating shaft can rotate around the axis of the second rotating shaft relative to the shaft accommodating piece; the second connecting component is fixedly connected with the shaft accommodating piece and is used for being fixedly connected with the welding workpiece; the first slot is not oriented toward the second connection assembly.

According to some specific embodiments of the application, the first connector is a circular plate structure turning device;

The second connecting assembly comprises a second connecting piece of a circular plate structure and is used for being fixedly connected with the welding workpiece.

According to some specific embodiments of the application, the second connecting assembly further comprises a plurality of L-shaped third connecting pieces, which comprise a first connecting plate and a second connecting plate which are arranged vertically and fixedly connected; a plurality of first long through holes parallel to each other are formed in the first connecting plate;

a plurality of first through holes are formed in the second connecting piece; the first long through hole is connected with the first through hole through a bolt, so that the first connecting plate is fixedly connected with the second connecting piece, and the position of the third connecting piece on the second connecting piece can be adjusted.

According to some specific embodiments of the application, the shaft receiving member is in a flat plate structure, and is perpendicular to and fixedly connected with the second connecting member; the first groove is communicated with two sides of the shaft storage piece and is circumferentially installed and matched with the second rotating shaft;

The shaft blocking piece is of a flat plate structure, is arranged in parallel with the shaft containing piece and can be connected with the shaft containing piece in a single-shaft rotation mode; a second through hole and a third through hole are respectively formed on the shaft accommodating piece and the shaft blocking piece; when the shaft blocking piece rotates to the first notch, the second through hole corresponds to the third through hole and is fixedly connected through a bolt.

According to some specific embodiments of the application, the shaft stopper is formed with a second groove adapted to the second shaft mounting, which communicates with both sides of the shaft stopper, including a second notch;

When the shaft blocking piece rotates to the second notch and the first notch are in the same direction, the second rotating shaft can be separated from the first groove and the second groove or externally installed in the first groove and the second groove; when the shaft blocking member rotates to the depth direction of the second groove to be perpendicular to the depth direction of the first groove, the second rotating shaft is rotatably installed in the first groove and the second groove.

According to some specific embodiments of the application, a side of the first notch away from the second connector is a flaring structure; when the shaft blocking piece is opened, the direction of the second notch is the same as the flaring direction of the first notch.

According to some specific embodiments of the application, the shaft stopper is formed with a handle at one end of the shaft stopper for driving the shaft stopper to rotate.

According to some specific embodiments of the application, the second connection module further comprises an axial stop assembly comprising a first stop;

The first limiting piece is of a flat plate structure, is vertically arranged relative to the plane where the shaft storage piece is located, and is fixedly connected with the shaft storage piece; when the second rotating shaft is positioned in the first groove and the second groove, two ends of the first limiting piece are positioned at the outer sides of two ends of the second rotating shaft, and the axial position of the second rotating shaft is limited.

According to some specific embodiments of the application, the axial stop assembly further comprises a second stop, a fastening screw; the second limiting piece is of a long structure, one end of the second limiting piece is connected with one end of the first limiting piece in a single-shaft rotating mode, a second long through hole with the axis direction along the plane direction of the first limiting piece is formed in the other end of the second limiting piece, and the length direction of the second long through hole is along the length direction of the second limiting piece;

One end of the fastening screw rod is connected with the first limiting piece in a single-shaft rotation mode; when the second rotating shaft is arranged in the first groove and the second groove, the other end of the fastening screw is positioned in the second long through hole, and the part positioned at the outer side of the second limiting piece is connected with a nut; the other ends of the second limiting piece and the first limiting piece are respectively in compression connection with the two ends of the second rotating shaft.

According to some specific embodiments of the application, the second limiting member is formed with a third groove along its length direction and open at both ends, and the third groove includes a third notch; the third notch faces the first limiting piece; one end of the first limiting piece is positioned in one end of the third groove and is rotatably connected with the second limiting piece;

When the other end of the screw rod is connected with the other end of the second limiting piece, one end of the first limiting piece is located in the third groove.

Compared with the prior art, the utility model has the advantages and positive effects that: in the quick connecting device, the turnover equipment is used for changing the position and the posture of a welding workpiece when the robot welds, so that the robot can conveniently finish welding operation; the first connecting module connected with the tipping arrangement is connected with the second connecting module that the welding work piece is connected with the second pivot through the first recess of axle storage spare to through the cooperation of axle barrier spare and axle storage spare with the rotatable installation of second pivot in first recess, realize that the welding work piece is installed fast on tipping arrangement, improve welding work piece installation effectiveness, and then improve robot welded efficiency. In addition, the effect of the first and second rotating shafts rotatable in the cross of the cross shaft connector reduces the requirement of mounting coaxiality of the rotating axis of the welding workpiece and the rotating axis of the overturning device. That is, the problems of low coaxiality adjustment efficiency and low accuracy in the process of fixedly mounting a large-sized welding workpiece and overturning equipment in a hoisting mode are solved, the mounting efficiency of the welding workpiece and the overturning equipment is improved, and the welding efficiency of a robot is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a connection state of an embodiment of a quick connect device according to the present utility model;

FIG. 2 is a schematic view of the forward structure of the connected state of the embodiment of the quick connect device of FIG. 1;

FIG. 3 is a schematic view of an open configuration of one embodiment of a quick connect device according to the present utility model;

FIG. 4 is a schematic view of the forward structure of the open state of the embodiment of the quick connect device of FIG. 3;

FIG. 5 is a schematic view of another embodiment of a quick connect device according to the present utility model;

FIG. 6 is a schematic diagram of a first connection module configuration;

FIG. 7 is a schematic diagram of a second connection module configuration;

FIG. 8 is a schematic cross-sectional view of a second connection module;

Fig. 9 is a partial enlarged view at a in fig. 8.

In the drawing the view of the figure,

1. A first connection module; 2. a second connection module; 11. a cross-shaft connector; 12. a first connector; 13. a bracket; 21. a second connection assembly; 22. a shaft receiving member; 23. a shaft barrier; 24. an axial limit assembly; 25. a plug pin; 111. a first rotating shaft; 112. a second rotating shaft; 211. a second connector; 212. a third connecting member; 213. a first through hole; 214. a first connection plate; 215. a second connecting plate; 216. a first elongated through hole; 221. a first groove; 222. a first notch; 223. a second through hole; 231. a handle; 232. a second groove; 233. a second notch; 234. a third through hole 234; 241. a first limiting member; 242. a second limiting piece; 243. fastening a screw; 244. a second elongated through hole; 245. a third groove; 246. a third notch; 247. a first groove wall; 248. a groove bottom; 249. a second groove wall.

Detailed Description

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

Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, a quick connection device of the present utility model includes a first connection module 1 and a second connection module 2; the first connection module 1 can be quickly connected with the second connection module 2.

The first connection module 1 comprises a cross shaft connector 11 and a first connecting piece 12; the cross shaft connector 11 comprises a first rotating shaft 111 and a second rotating shaft 112 which are arranged in a cross manner and are fixedly connected together; the first rotating shaft 111 is connected with the first connecting piece 12, and can rotate around the axis of the first rotating shaft 111 relative to the first connecting piece 12; the first connecting piece 12 is used for fixedly connecting with the turning device.

The second connection module 2 comprises a second connection assembly 21 and a shaft connection assembly; the shaft connection assembly comprises at least one shaft receiver 22 and at least one shaft stop 23; the shaft receiving member 22 is fixedly connected with the second connecting assembly 21, and is formed with a first groove 221 which is in mounting fit with the second rotating shaft 112 and comprises a first notch 222; the first slot 222 is not oriented toward the second connection assembly 21.

The shaft blocking piece 23 is arranged at the first notch 222 and is detachably and fixedly connected with the shaft containing piece 22; the second rotating shaft 112 is installed in the first groove 221, and the shaft blocking piece 23 is fixedly connected with the shaft accommodating piece 22 to block the first notch 222, so that the second rotating shaft 112 can rotate around the axis of the second rotating shaft 112 relative to the shaft accommodating piece 22 in the first groove 221; the second connecting assembly 21 is used for fixedly connecting with a welding workpiece.

In the quick connecting device, the first connecting module 1 and the second connecting module 2 can be connected with turnover equipment and welding workpieces in advance; then, the welding workpiece is arranged on the turnover equipment through the connection of the first connecting module 1 and the second connecting module 2; the turnover equipment is used for changing the position and the posture of a welding workpiece when the robot welds, so that the robot can conveniently finish welding operation; the first connecting module 1 or the second connecting module 2 connected with the turnover equipment, the second connecting module 2 connected with the welding workpiece or the first connecting module 1 is quickly connected with the second rotating shaft 112 through the first groove 221 of the shaft storage piece 22, and the second rotating shaft 112 is rotatably installed in the first groove 221 through the cooperation of the shaft blocking piece 23 and the shaft storage piece 22, so that the welding workpiece is quickly installed on the turnover equipment, the welding workpiece installation efficiency is improved, and the robot welding efficiency is further improved. In addition, the effect of the crisscrossed rotatable first and second shafts 111, 112 of the cross connector 11 reduces the requirement for mounting coaxiality of the rotation axis of the welding workpiece and the rotation axis of the flipping equipment. That is, the problems of low coaxiality adjustment efficiency and low accuracy in the process of fixedly mounting a large-sized welding workpiece and overturning equipment in a hoisting mode are solved, the mounting efficiency of the welding workpiece and the overturning equipment is improved, and the welding efficiency of a robot is further improved.

Of course, the first shaft 111 and the second shaft 112 of the cross-shaft connector 11 may be configured as a nested structure in which the inner shaft rotates relative to the outer sleeve; that is, both ends of the first and second rotating shafts 111 and 112 are respectively provided with an inner shaft and an outer sleeve rotatably fitted around the inner shaft.

The first slot 222 is not oriented toward the second connection assembly 21 so that the second rotation shaft 112 may be installed in the first groove 221 from above or below or front or obliquely above or obliquely below the second connection module 2 according to the orientation of the first slot 222. That is, the first slot 222 does not face the second connection assembly 21 such that the second connection module 2 is mounted on the second rotation shaft 112 from above or below or front or obliquely above or obliquely below according to the orientation of the first slot 222.

The structure and principle of the quick-connect device of the present utility model will be described in detail with reference to specific examples.

According to some specific embodiments of the present application, referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, the first connecting member 12 is a circular plate structure for fixedly connecting with the flipping equipment.

The circular plate structure of the first connecting piece 12 improves the coaxiality with the turnover equipment when being connected with the rotation shaft of the turnover equipment, improves the installation precision and reduces the control error.

The second connection assembly 21 includes a second connection member 211 of a circular plate structure for fixedly connecting with a welding workpiece. The circular plate structure of the second connecting piece 211 is equal in diameter to the circular plate structure of the first connecting piece 12, so that the position of the shaft connecting assembly on the second connecting piece 211 can be conveniently determined, the coaxiality of the shaft connecting assembly when the shaft connecting assembly is connected with the cross shaft connector 11 on the first connecting piece 12 is improved, and the connection precision of the first connecting module 1 and the second connecting module 2 is improved.

Preferably, the first rotation shaft 111 is mounted at one side of the first connection member 12 through the bracket 13. The other side of the first connecting member 12 is connected to the flipping unit.

According to some specific embodiments of the present application, referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, the second connection assembly 21 further includes a plurality of L-shaped third connection members 212, which include a first connection plate 214 and a second connection plate 215 that are disposed and fixedly connected to each other in a perpendicular manner; a plurality of first elongated through holes 216 are formed in the first connection plate 214 in parallel with each other.

A plurality of first through holes 213 are formed on the second connection member 211; the first elongated through hole 216 is connected with at least one or more first through holes 213 therein by bolts, so that the first connecting plate 214 is fixedly connected with the second connecting piece 211, and the position of the third connecting piece 212 on the second connecting piece 211 is adjusted by adjusting different positions of the first through hole 213 corresponding to the first elongated through hole 216. The second connecting plate 215 is used for limiting the welding workpiece connected with the second connecting assembly 21.

The quick connecting device of the embodiment makes the second connecting assembly 21 become a flexible connecting structure by forming a plurality of first through holes 213 on the second connecting piece 211 and a plurality of first long through holes 216 on the first connecting plate 214, thereby adapting to welding workpieces with different size structures, improving the application range and reducing the cost.

Preferably, the shaft coupling assembly is located at one side of the second coupling 211; the third connector 212 is located at the other side of the second connector 211.

According to some specific embodiments of the present application, referring to fig. 1, 2,3, 4, 5, 6, 7, 8, and 9, the shaft housing member 22 is a flat plate structure, is located at one side of the second connecting member 211, is disposed perpendicular to the plane of the second connecting member 211, and is fixedly connected to the second connecting member 211; the shaft receiving members 22 are parallel to each other. The first groove 221 is communicated with two sides of the shaft accommodating piece 22 and is in mounting fit with the radial direction of the second rotating shaft 112; the first grooves 221 are corresponding to each other and are used for connecting with different positions of the second rotating shaft 112 in the axial direction. That is, the bottom of the first groove 221 is fitted with the circumferential mounting of the second rotation shaft 112; the shaft receiving members 22 are distributed along the axial direction of the second rotating shaft 112.

The shaft stopper 23 is of a flat plate structure, is disposed parallel to the plane of the shaft housing 22, is connected to the shaft housing 22, and is capable of being uniaxially rotated about a rotation axis perpendicular to the plane of the shaft housing 22 with respect to the shaft housing 22. The shaft receiving member 22 and the shaft stopper 23 are formed with a second through hole 223 and a third through hole 234, respectively; when the shaft blocking member 23 rotates to the position where the first notch 222 can be blocked, the second through hole 223 corresponds to the third through hole 234 and is fixedly connected through the bolt 25.

The quick connection device of the present embodiment reduces the weight of the second connection module 2 by providing the shaft receiving member 22 and the shaft blocking member 23 in a flat plate structure; the strength of the shaft coupling assembly is improved by providing a plurality of shaft receiving members 22 and shaft blocking members 23. Through setting up the axle is blocked the piece 23 and is set up to can be relative axle storage piece 22 around the axle single-axis rotation of perpendicular to axle storage piece 22 place plane and rotate to the structure that makes axle is blocked piece 23 and axle storage piece 22 fixed connection through the round pin axle through second through hole 223 and third through hole 234 corresponding with third through hole 234 when blocking first notch 222, improve axle and is blocked piece 23 and axle storage piece 22 fixed connection and dismantlement's efficiency, and then improve the welding work piece that the welding work piece installed to tipping arrangement and lie in tipping arrangement and become the efficiency that the dismantles on the machine.

Preferably, the number of shaft receivers 22 is twice that of shaft stoppers 23; the shaft receiving members 22 are used in pairs; the shaft stoppers 23 are provided between the pair of shaft receiving members 22, and the shaft stoppers 23 are limited in a direction perpendicular to the plane of the shaft receiving members 22, improving the stability of the shaft stoppers 23.

According to some specific embodiments of the present application, referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, the shaft stopper 23 is formed with a second groove 232 fitted to the second rotation shaft 112, which communicates with both sides of the shaft stopper 23, including a second notch 233.

When the shaft stopper 23 rotates to the second notch 233 in the same direction as the first notch 222, the second rotation shaft 112 may be installed into the first and second grooves 221 and 232 by the first and second notches 222 and 233 and the second rotation shaft 112 located in the first and second grooves 221 and 232 may be separated from the first and second notches 222 and 233; or in the process that the shaft blocking piece 23 rotates from the second notch 233 to the first notch 222 in a different direction to the second notch 233 and the first notch 222 in the same direction, the second rotating shaft 112 can be gradually changed from being positioned in the first groove 221 and the second groove 232 to being capable of being separated from the first notch 222 and the second notch 233; during the rotation of the shaft stopper 23 from the second notch 233 to the first notch 222 in the same direction to the second notch 233 from the first notch 222 in a different direction, the second rotation shaft 112, which is entered from the first notch 222 and the second notch 233 in the same direction, is gradually fitted into the first groove 221 and the second groove 232.

The quick connecting device of the embodiment blocks the second rotating shaft 112 through the second groove 232 formed by the shaft blocking member 23, so that not only the stability and stability of the second rotating shaft 112 in the first groove 221 and the second groove 232 are improved, but also the second rotating shaft 112 is installed in the first groove 221 and the second groove 232 and removed from the first groove 221 and the second groove 232 in a step-by-step process, and the stability, reliability and safety of the installation and removal processes are improved.

Preferably, the first groove 221 and the second groove 232 are different in direction, and the depth direction of the first groove 221 is perpendicular to the depth direction of the second groove 232, so that the second rotating shaft 112 is more connected with the shaft connecting assembly circumferentially under the cooperation of the first groove 221 and the second groove 232, and the stability of the radial direction of the second rotating shaft 112 is improved.

According to some embodiments of the present application, referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, a side of the first slot 222 away from the second connector 211 is a flared structure; when the shaft stopper 23 is opened, the direction of the second notch 233 is the same as the flaring direction of the first notch 222.

The quick connecting device of the embodiment facilitates that the second rotating shaft 112 is in a horizontal direction when the first connecting module 1 is connected with the turnover equipment, and when the first groove 221 of the second connecting module 2 fixedly connected with the welding workpiece is vertically downward, the second connecting module 2 falls down from the obliquely upper part of the first connecting module 1, the second rotating shaft 112 is installed in the first groove 221 and the second groove 232, so that not only meets the requirement that the movable welding workpiece is installed on the turnover equipment with higher height from falling from a high place for being convenient to observe, but also the shaft blocking piece 23 positioned at the first notch 222 is conveniently driven to rotate manually and is fixedly connected with the shaft containing piece 22, and the convenience, the efficiency and the safety of the welding workpiece when being installed on the turnover equipment are improved.

According to some specific embodiments of the present application, referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, the shaft stopper 23 is formed with a handle 231 located near one end of the shaft stopper 23, the second notch 233, for manual driving of the shaft stopper 23 for rotation and positioning.

That is, when the shaft stopper 23 is opened, the second notch 233 faces downward, the handle 231 is located at the lower side of the quick connection device, and the handle 231 is conveniently operated when the welding work is mounted to the turnover device having a high height, improving the mounting efficiency and safety.

According to some specific embodiments of the present application, referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, the second connection module 2 further comprises an axial stop assembly 24 comprising a first stop 241.

The first limiting piece 241 is of a flat plate structure, is vertically arranged relative to the plane of the shaft accommodating piece 22, and is fixedly connected with the shaft accommodating piece 22; when the second rotating shaft 112 is located in the first groove 221 and the second groove 232, two ends of the first limiting member 241 are located at outer sides of two ends of the second rotating shaft 112, so as to limit the axial position of the second rotating shaft 112.

The quick connecting device of the embodiment limits the axial direction of the second rotating shaft 112 in the first groove 221 and the second groove 232 through the first limiting piece 241, so that the problems of the enlarged coaxiality and unstable connection of the first connecting module 1 and the second connecting module 2 caused by the displacement of the second rotating shaft 112 are prevented, and the stability of connection is improved.

According to some specific embodiments of the present application, referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, the axial stop assembly 24 further includes a second stop 242, a fastening screw 243; the second limiting member 242 has an elongated structure, one end of the second limiting member 242 is connected to one end of the first limiting member 241 in a single-axis rotation manner, and a second elongated through hole 244 is formed at the other end of the second limiting member, and the axial direction of the second elongated through hole is along the direction of the plane of the first limiting member 241, and the length direction of the second limiting member 242 is along the length direction of the second limiting member 242.

One end of the fastening screw 243 is connected with the first limiting piece 241 in a single-shaft rotation manner; when the second rotating shaft 112 is installed in the first groove 221 and the second groove 232, the other end of the fastening screw 243 is located in the second long through hole 244, and the portion located outside the second limiting piece 242 is connected with the nut, so that the other ends of the second limiting piece 242 and the first limiting piece 241 are respectively in compression connection with two end surfaces of the second rotating shaft 112.

The quick connection device of the present embodiment fixes the axial direction when the second rotating shaft 112 is located in the first groove 221 and the second groove 232, and fixes the relative positions of the first connection module 1 and the second connection module 2 in the longitudinal direction, so as to further improve the connection stability.

Preferably, both sides of the first limiting part 241 facing the second rotating shaft 112 and one side of the second limiting part 242 facing the second rotating shaft 112 are arc-shaped protruding structures facing the second rotating shaft 112, so that the precision of the limiting positions of the first limiting part 241 and the second limiting part 242 on the second rotating shaft 112 is improved by adapting to the small size of the end part of the second rotating shaft 112 and being easier to control through the height of protruding points.

According to some specific embodiments of the present application, referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9, the second stopper 242 is formed with a third groove 245 opened along its length direction and both ends thereof, which includes a third notch 246; the third notch 246 faces in a direction in which it approaches the first stopper 241.

One end of the first limiting piece 241 is positioned in one end of the third groove 245 and is rotatably connected with the second limiting piece 242; when the other end of the screw rod is connected with the other end of the second limiting piece 242, one end of the first limiting piece 241 is located in the third groove 245.

The quick connecting device of the embodiment positions the second limiting piece 242 in the direction perpendicular to the plane of the first limiting piece 241 through the connection between the third groove 245 of the second limiting piece 242 and the first limiting piece 241, prevents the connection between the second limiting piece 242 and the second rotating shaft 112 from being separated, and improves the limiting stability.

Preferably, the second limiting member 242 is a rib plate assembly; the third groove 245 includes a first groove wall 247, a groove bottom 248, and a second groove wall 249, which are respectively formed by separate rib plates. The second elongated through hole 244 may be provided on the groove bottom 248 or on a rib plate parallel to the groove bottom 248 and fixedly connected to the first groove wall 247 and the second groove wall 249.

In the description of the present utility model, it should be understood that, furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a particular feature, structure, material, or characteristic 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.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A quick connect device comprising:

A first connection module including a cross connector, a first connection; the cross shaft connector comprises a first rotating shaft and a second rotating shaft which are fixedly connected in a cross manner; the first rotating shaft is connected with the first connecting piece and can rotate around the axis of the first connecting piece relative to the first connecting piece; the first connecting piece is used for being fixedly connected with the overturning equipment;

A second connection module including a second connection assembly, a shaft connection assembly; the shaft connection assembly includes at least one shaft receiver and at least one shaft blocker; the shaft receiving member is formed with a first groove including a first notch; the shaft blocking piece is arranged at the first notch and is detachably and fixedly connected with the shaft containing piece; the second rotating shaft is arranged in the first groove; the shaft block seals the first notch; the second rotating shaft can rotate around the axis of the second rotating shaft relative to the shaft accommodating piece; the second connecting component is fixedly connected with the shaft accommodating piece and is used for being fixedly connected with a welding workpiece; the first slot is not oriented toward the second connection assembly.

2. The quick connect device of claim 1, wherein said first connector is a circular plate structure; the second connecting assembly comprises a second connecting piece of a circular plate structure and is used for being fixedly connected with the welding workpiece.

3. The quick connect device of claim 2 wherein said second connector assembly further comprises a plurality of L-shaped third connectors comprising first and second connector plates disposed about vertical and fixedly connected; a plurality of first long through holes parallel to each other are formed in the first connecting plate;

4. The quick connect device of claim 2, wherein said shaft receiving member is of a flat plate configuration and is fixedly connected to said second connecting member in a mutually perpendicular relationship; the first groove is communicated with two sides of the shaft storage piece and is circumferentially installed and matched with the second rotating shaft;

5. The quick connect device of claim 4 wherein said shaft stop is formed with a second recess adapted for mounting with said second spindle, communicating with both sides of said shaft stop, including a second notch;

6. The quick connect device of claim 5, wherein a side of said first slot remote from said second connector is a flared structure; when the shaft blocking piece is opened, the direction of the second notch is the same as the flaring direction of the first notch.

7. The quick connect device of claim 5 wherein said shaft stop is formed with a handle at one end of said shaft stop for driving said shaft stop in rotation.

8. The quick connect device of any one of claims 5 to 7, wherein said second connection module further comprises an axial stop assembly comprising a first stop;

9. The quick connect device of claim 8, wherein said axial stop assembly further comprises a second stop, a fastening screw; the second limiting piece is of a long structure, one end of the second limiting piece is connected with one end of the first limiting piece in a single-shaft rotating mode, a second long through hole with the axis direction along the plane direction of the first limiting piece is formed in the other end of the second limiting piece, and the length direction of the second long through hole is along the length direction of the second limiting piece;

10. The quick connect device of claim 9, wherein said second stop member is formed with a third recess along its length and open at both ends, including a third notch; the third notch faces the first limiting piece; one end of the first limiting piece is positioned in one end of the third groove and is rotatably connected with the second limiting piece;