Workpiece assembly auxiliary device

Abstract

The utility model discloses an auxiliary device for workpiece assembly. The auxiliary device comprises a base, a supporting frame and a traction mechanism. The support frame is rotatably connected to the base and is used for connecting and fixing a to-be-assembled workpiece; the traction mechanism is arranged on the base and connected to the supporting frame, and the traction mechanism is used for pulling the supporting frame to rotate to be opened and closed relative to the base so as to support the supporting frame, so that the supporting frame rotates to the vertical direction to support the workpiece to be assembled in a suspended mode. According to the workpiece assembling auxiliary device, the supporting frame is rotationally connected to the base, the traction mechanism is arranged on the base and connected with the supporting frame, the supporting frame is pulled by the traction mechanism to be rotationally opened and closed relative to the base so as to be supported, and the supporting frame is rotated to the vertical direction; the to-be-assembled workpiece can be easily supported in a suspended mode only by manually connecting and fixing the to-be-assembled workpiece to the supporting frame, so that the to-be-assembled workpiece can be conveniently assembled in a suspended mode, the whole process is easy, labor is saved, and safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of assembly, in particular to a workpiece assembly auxiliary device. Background Art

[0002] During the production of some large machines or equipment, multiple workpieces need to be assembled together. Some large workpieces are not only large in size and weight, but also have certain requirements for assembly precision. The docking and assembly of these large workpieces often requires manual participation. For example, in the overall assembly of the oil tank components of large central air-conditioning units, the oil tank cylinder and the oil pump need to be docked and assembled. Due to the large size and weight of the oil tank cylinder, it is very difficult to adjust the position of the oil tank cylinder, so the oil tank cylinder can only be placed horizontally. In this way, the oil pump can only be assembled from the side. The oil pump is very heavy, which makes the assembly of the oil pump to the oil tank cylinder very difficult and very inconvenient. Utility Model Content

[0003] The embodiment of the utility model provides a workpiece assembly auxiliary device to solve the problem of inconvenience in assembling large workpieces in the prior art.

[0004] The present invention provides a workpiece assembly auxiliary device, which includes:

[0005] base;

[0006] A support frame is rotatably connected to the base, and the support frame is used to connect and fix the workpiece to be assembled;

[0007] A traction mechanism is provided on the base and connected to the support frame. The traction mechanism is used to pull the support frame to rotate and open and close relative to the base to prop up the support frame, so that the support frame rotates to a vertical direction to suspend the workpiece to be assembled.

[0008] In the workpiece assembly auxiliary device provided in an embodiment of the present invention, a first connecting portion is provided on the upward side of the base, a second connecting portion is provided at one end of the support frame, the second connecting portion is hinged to the first connecting portion, and the traction mechanism is in the rotation opening and closing direction of the support frame and is spaced from the first connecting portion.

[0009] In the workpiece assembly auxiliary device provided in an embodiment of the present utility model, the traction mechanism includes a push-pull module group, which is movably connected to the base and movably connected to the side of the support frame facing the base, wherein the push-pull module group is used to push or pull the support frame so that the support frame rotates back to the base to open or rotates toward the base to close.

[0010] In the workpiece assembly auxiliary device provided in an embodiment of the present utility model, the push-pull module includes a hydraulic telescopic drive component, a third connection portion is provided on the side of the support frame facing the base, the third connection portion is spaced apart from the second connection portion along the axial direction of the support frame, the base is provided with a fourth connection portion in the rotational opening and closing direction of the support frame, the fourth connection portion is spaced apart from the first connection portion in the rotational opening and closing direction of the support frame, and both ends of the hydraulic telescopic drive component are respectively rotatably connected to the third connection portion and the fourth connection portion.

[0011] In the workpiece assembly auxiliary device provided in an embodiment of the present invention, the traction mechanism also includes a retracting and pulling module group, which is arranged in front of the side of the push-pull module group away from the first connection part and is connected to the end of the support frame axially away from the second connection part, wherein the retracting and pulling module group is used to retract the support frame toward the base.

[0012] In the workpiece assembly auxiliary device provided in an embodiment of the present invention, the retracting and pulling module includes a retracting and pulling drive, a movable pulley and a cable, the retracting and pulling drive and the movable pulley are both fixed to the base and the movable pulley is located above the retracting and pulling drive, the cable is placed on the movable pulley and one end is connected to the retracting and pulling drive, and the other end is connected to one end of the support frame axially away from the second connection part, wherein the retracting and pulling drive is used to reel in the cable.

[0013] In the workpiece assembly auxiliary device provided in an embodiment of the present utility model, a first limiting portion is also provided on the base, the first limiting portion is adjacent to the side of the first connecting portion away from the traction mechanism, and the end of the support frame connected to the first connecting portion is provided with a second limiting portion extending along the axial direction of the support frame, wherein, when the support frame is perpendicular to the base, the first limiting portion stops the second limiting portion.

[0014] In the workpiece assembly auxiliary device provided in an embodiment of the present invention, a support portion is further provided on the upward side of the base, and the support portion is located in the rotation and opening and closing direction of the support frame, wherein when the support frame is parallel to the base, the support frame is supported on the support portion.

[0015] In the workpiece assembly auxiliary device provided in an embodiment of the present invention, a positioning groove is recessed on the upward side of the support portion, and a positioning ridge is convexly provided on the side of the support frame facing the base, wherein when the support frame is supported on the support portion, the positioning ridge is embedded in the positioning groove.

[0016] In the workpiece assembly auxiliary device provided in an embodiment of the present invention, the workpiece assembly auxiliary device further includes a counterweight, which is provided on the base and adjacent to the traction mechanism, wherein the counterweight is used to increase the weight of the base.

[0017] The embodiment of the present utility model provides a workpiece assembly auxiliary device, which includes a base, a support frame and a traction mechanism; the support frame is rotatably connected to the base, and the support frame is used to connect and fix the workpiece to be assembled; the traction mechanism is provided on the base and connected to the support frame, and the traction mechanism is used to pull the support frame to rotate and open and close relative to the base to support the support frame, so that the support frame is rotated to a vertical direction to suspend the workpiece to be assembled. The workpiece assembly auxiliary device provided by the utility model rotatably connects the support frame to the base, and a traction mechanism is provided on the base to connect with the support frame. The traction mechanism is used to pull the support frame to rotate and open and close relative to the base to support the support frame, so that the support frame is rotated to a vertical direction. The workpiece to be assembled only needs to be manually connected and fixed to the support frame, and the workpiece to be assembled can be easily suspended so that the workpiece to be assembled can be assembled in the air. The whole process is not only easy and labor-saving, but also highly safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A three-dimensional structural diagram of a workpiece assembly auxiliary device provided by an embodiment of the utility model;

[0020] Figure 2 A state diagram of the workpiece assembly auxiliary device provided by an embodiment of the utility model;

[0021] Figure 3 Another state diagram of the workpiece assembly auxiliary device provided by an embodiment of the utility model;

[0022] Figure 4 An axonometric view of the workpiece assembly auxiliary device provided by an embodiment of the utility model;

[0023] Figure 5 A side view of a workpiece assembly auxiliary device provided by an embodiment of the present utility model;

[0024] Figure 6 for Figure 5 A magnified view of part A;

[0025] Figure 7 A top view of the workpiece assembly auxiliary device provided by an embodiment of the utility model;

[0026] Figure 8 A front view of a workpiece assembly auxiliary device provided by an embodiment of the present utility model;

[0027] Figure 9 A rear view of the workpiece assembly auxiliary device provided by an embodiment of the present utility model;

[0028] The reference numerals in the figures are:

[0029] 10. Base; 11. First connecting part; 12. First limiting part; 13. Fourth connecting part; 14. Support part; 141. Positioning notch; 20. Support frame; 21. Second connecting part; 22. Third connecting part; 23. Second limiting part; 201. Positioning ridge; 30. Traction mechanism; 31. Push-pull module; 311. Hydraulic telescopic drive member; 32. Retracting and pulling module; 321. Retracting and pulling drive member; 322. Movable pulley; 323. Cable; 40. Counterweight; 200. Workpiece to be assembled. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Directional terms used in this disclosure, such as "upper," "lower," "front," "rear," "left," "right," "inner," "outer," and "side," refer only to directions in the accompanying drawings. Therefore, these directional terms are intended to illustrate and facilitate understanding of this disclosure and are not intended to limit this disclosure. Furthermore, in the accompanying drawings, similar or identical structures are denoted by the same reference numerals.

[0032] Reference Figures 1 to 9 , please refer to Figures 1 to 3, which shows an embodiment of the workpiece assembly assisting device provided by the present invention. The structure and working principle of the workpiece assembly assisting device are described in detail below in conjunction with the drawings in the specification. The workpiece assembly assisting device includes a base 10, a support frame 20, and a pulling mechanism 30. The support frame 20 is rotatably connected to the base 10 and is used to connect and fix the workpiece 200 to be assembled. The pulling mechanism 30 is used to pull the support frame 20 to rotate and open relative to the base 10 to support the support frame 20, so that the support frame 20 rotates to a vertical direction and suspends the workpiece 200 to be assembled.

[0033] In a specific implementation, the base 10 serves as the basic structure for installing various components. The base 10 is a plate-like structure of a certain thickness. The base 10 is usually designed with a high-strength alloy material, such as steel, so that the base 10 can withstand large stresses without deformation. The support frame 20 is specifically a long plate-shaped bracket structure. Like the base 10, it is designed with a high-strength alloy material and can withstand a large weight as a whole. One end of the support frame 20 is rotatably connected to the base 10, and the support frame 20 as a whole can be rotated and opened and closed relative to the base 10. The support frame 20 is mainly used to connect and fix the workpiece 200 to be assembled. The support frame 20 is provided with a connection structure for connecting and fixing with the workpiece 200 to be assembled, such as a screw hole, a hook, a hanging hole, a buckle and other structures. The connection and fixation are achieved by cooperating with the corresponding structure of the workpiece 200 to be assembled through the connection structure on the support frame 20. The traction mechanism 30 is installed on the base 10 and connected to the support frame 20. It is mainly used to pull the support frame 20 to rotate and open and close relative to the base 10 and prop up the support frame 20 on the base 10, so that the support frame 20 is pulled and rotated to the vertical direction. The support frame 20 as a whole can be rotated and opened and closed to a corresponding angle relative to the base 10 under the traction of the traction mechanism 30. In this embodiment, the angle at which the traction mechanism 30 can pull and drive the support frame 20 to rotate and open relative to the base 10 is set to 0 to 90 degrees. When the traction mechanism 30 drives the support frame 20 to rotate and open relative to the base 10 to an angle of 0 degrees, as shown in FIG. Figure 2 As shown, the support frame 20 is equivalent to being in an unopened state. In this state, the support frame 20 is integrally stacked on the base 10 and remains horizontal. In this state, the workpiece 200 to be assembled can be connected and fixed to the corresponding position on the support frame 20. When the traction mechanism 30 pulls and drives the support frame 20 to rotate and open relative to the base 10, the angle of opening and closing gradually increases, and the support frame 20 gradually opens from the base 10, and the workpiece 200 to be assembled is gradually supported and suspended by the support frame 20. Figure 3 As shown, until the support frame 20 rotates to open and close at an angle of 90° relative to the base 10, the support frame 20 is vertical relative to the base 10. At this time, the workpiece 200 to be assembled, which is connected and fixed to the support frame 20, is supported by the support frame 20 to the highest position, as shown in FIG. Figure 9 As shown, this position can be used as an assembly point of the workpiece 200 to be assembled, and the workpiece 200 to be assembled at this position can be assembled with other workpieces. The specific assembly point of the workpiece 200 to be assembled can be determined by the angle of the support frame 20 relative to the base 10 and the axial position of the workpiece 200 to be assembled fixed on the support frame 20. After completing the assembly of the workpiece 200 to be assembled with other workpieces, the traction mechanism 30 can be controlled to pull and drive the support frame 20 to rotate and open and close relative to the base 10. When the angle is gradually reduced, the support frame 20 gradually closes toward the base 10 until the traction mechanism 30 drives the support frame 20 to rotate and open and close relative to the base 10 to 0°. The position of the support frame 20 is restored to the unopened state, and the support frame 20 is stacked on the base 10 and remains horizontal. At this time, the assembled workpiece can be manually disconnected from the support frame 20 and removed. During the entire process, the support frame 20, in cooperation with the traction mechanism 30, lifts the workpiece 200 to be assembled into the air and returns the assembled workpiece to its original position. There is no need for manual participation in stabilizing the workpiece 200 to be assembled. Manual labor is only involved in the connection, fixation and disassembly of the workpiece 200 to be assembled and the support frame 20. This not only saves time and effort, is very convenient, but also can avoid the occurrence of safety hazards and collision problems of workpieces.

[0034] This embodiment connects the support frame to the base through rotation, and provides a traction mechanism on the base to connect with the support frame. The traction mechanism is used to pull the support frame to rotate and open and close relative to the base to prop up the support frame, so that the support frame is rotated to a vertical direction. The workpiece to be assembled only needs to be manually connected and fixed to the support frame, and the workpiece to be assembled can be easily suspended and supported so that the workpiece to be assembled can be assembled in the air. The whole process is not only easy and labor-saving, but also very convenient, and the safety of the workpiece assembly process is also greatly improved.

[0035] In one embodiment, referring to Figures 1 to 3 、 Figure 5 、 Figure 6The base 10 is provided with a first connection portion 11 on the upper side, and the support frame 20 is provided with a second connection portion 21 at one end. The second connection portion 21 is hinged to the first connection portion 11. The traction mechanism 30 is located in the rotation opening and closing direction of the support frame 20 and is spaced apart from the first connection portion 11. In a specific implementation, the first connection portion 11 provided on the upper side of the base 10 is specifically a hinge seat structure, and the second connection portion 21 provided at one end of the support frame 20 is specifically a hinge head structure. After the second connection portion 21 is hinged to the first connection portion 11, the support frame 20 as a whole rotates around the first connection portion 11 and the second connection portion 21 as an axis, and the support frame 20 can stably rotate and open and close in the vertical direction relative to the base 10. The number of the first connection portion 11 and the second connection portion 21 is not limited. Two first connection portions 11 can be spaced apart on the base 10, and two second connection portions 21 can be provided at one end of the support frame 20. The two second connection portions 21 are respectively hinged to the two first connection portions 11. This makes the rotation and opening and closing of the support plate more stable and less likely to cause left-right shaking or offset. The traction mechanism 30 is arranged on the base 10 in a position in the rotation and opening direction of the support frame 20 and is spaced a certain distance from the first connection portion 11 on the base 10. The traction mechanism 30 pulls and drives the support frame 20 in the rotation and opening direction, controlling the rotation and opening angle of the support frame 20. Overall, the second connection portion 21 provided at one end of the support frame 20 is hingedly connected to the first connection portion 11 provided on the base 10 to form a hinge structure. The traction mechanism 30 pulls and drives the support frame 20 in the rotation and opening direction. The traction mechanism 30 pulls and drives the support frame 20 in the rotation and opening direction. The stability and safety of the traction mechanism 30 pulling the support frame 20 to rotate and open relative to the base 10 are higher.

[0036] Further, refer to Figures 1 to 3The traction mechanism 30 includes a push-pull module 31, which is movably connected to the side of the support frame 20 facing the base 10, wherein the push-pull module 31 is used to push, extend or retract the support frame 20 so that the support frame 20 rotates away from the base 10 to open or rotates toward the base 10 to close. In a specific implementation, the traction mechanism 30 includes a push-pull module 31, which is movably connected to the base 10 and is located in the direction of the support frame 20 rotating and opening. The push-pull module 31 is also movably connected to the side of the support frame 20 facing the base 10. The push-pull module 31 can generate a thrust or a pull to push and pull the side of the support frame 20 facing the base 10. In this embodiment, in the initial state, the opening and closing angle of the support frame 20 relative to the base 10 is 0°, and the support frame 20 is in a horizontal state stacked on the base 10. When the push-pull module 31 generates a thrust, the support frame 20 is pulled by the thrust of the push-pull module 31, and the support frame 20 will rotate and open with its back to the base 10, and the angle of rotation and opening of the support frame 20 relative to the base 10 gradually increases until it reaches an angle that meets the requirements and suspends the workpiece 200 to be assembled to a preset position; when the push-pull module 31 generates a pulling force, the support frame 20 is pulled by the pulling force of the push-pull module 31, and the support frame 20 will rotate and close toward the base 10, and the angle of rotation and opening of the support frame 20 relative to the base 10 gradually decreases until the angle of opening and closing of the support frame 20 relative to the base 10 is 0°, and the support frame 20 returns to its original state of being stacked on the base 10 and remaining horizontal. Overall, the push-pull module 31 pushes and pulls the support frame 20 in the direction of rotation and opening and closing of the support frame 20 to realize the rotation and opening angle control of the support frame 20. The large traction force provided by the push-pull module 31 enables the support frame 20 to easily support and suspend the large-volume and large-mass workpiece 200 to be assembled.

[0037] Furthermore, refer to Figure 1 、 Figure 5 and Figure 7The push-pull module 31 includes a hydraulic telescopic drive member 311. A third connection portion 22 is provided on the side of the support frame 20 facing the base 10. The third connection portion 22 is spaced apart from the second connection portion 21 along the axial direction of the support frame 20. The base 10 is provided with a fourth connection portion 13 in the rotational opening and closing direction of the support frame 20. The fourth connection portion 13 is spaced apart from the first connection portion 11 in the rotational opening and closing direction of the support frame 20. The two ends of the hydraulic telescopic drive member 311 are rotatably connected to the third connection portion 22 and the fourth connection portion 13, respectively. In a specific embodiment, the hydraulic telescopic drive member 311 is a device with a hydraulic telescopic function. The hydraulic telescopic drive member 311 is mainly composed of a hydraulic cylinder body and a telescopic shaft. The telescopic shaft is connected to the hydraulic cylinder body and is telescopic relative to the hydraulic cylinder body. The length of the telescopic shaft extending or retracting into the hydraulic cylinder body can be freely controlled by a corresponding hydraulic control system. In this embodiment, a third connection portion 22 is provided on the side of the support frame 20 facing the base 10. The third connection portion 22 is a rotational connection structure provided on the side of the support frame 20 facing the base 10, and is spaced a certain distance from the second connection portion 21 in the axial direction of the support frame 20. A fourth connection portion 13 is another rotational connection structure provided on the base 10 in the direction of rotation and opening of the support frame 20. The fourth connection portion 13 is spaced a certain distance from the first connection portion 11 provided on the base 10 in this direction of rotation and opening of the support frame 20. The ends of the hydraulic telescopic drive member 311 are rotationally connected to the third connection portion 22 and the fourth connection portion 13, respectively. Specifically, the hydraulic cylinder portion of the hydraulic telescopic drive member 311 is rotationally connected to the fourth connection portion 13, and the telescopic shaft portion of the hydraulic telescopic drive member 311 is rotationally connected to the third connection portion 22. The third connection part 22 and the fourth connection part 13 can specifically be a hinge structure or a hinge head structure. Adaptable hinge head structures or hinge seat structures can be set on the hydraulic cylinder part and the telescopic shaft part of the hydraulic telescopic drive member 311, and the hinge structure is formed by hinged connection between the hinge head structure and the hinge seat structure. As a whole, the hydraulic telescopic drive member 311 is rotatably connected to the third connection part 22 and the fourth connection part 13. When the hydraulic telescopic drive member 311 is in operation, it controls the telescopic length of the telescopic shaft through hydraulic control, thereby generating a thrust or a pull on the support frame 20 to pull the support frame 20 to rotate and open relative to the base 10. The hydraulic telescopic drive member 311 adopts hydraulic control, which has stable drive and can generate very large thrust and pull to pull the support frame 20 to rotate and open, so that the support frame 20 can support and suspend the heavy workpiece 200 to be assembled.

[0038] In one embodiment, referring to Figure 1 、 Figures 4 to 8The traction mechanism 30 also includes a retracting and pulling module 32, which is arranged in front of the side of the push-pull module 31 away from the first connection part 11 and is connected to the end of the support frame 20 axially away from the second connection part 21, wherein the retracting and pulling module 32 is used to retract and pull the support frame 20 toward the base 10. In a specific implementation, the retracting and pulling module 32 is arranged on the base 10 in the direction of rotation and opening and closing of the support frame 20 in the same manner as the push-pull module 31. The retracting and pulling module 32 is located in front of the side of the push-pull module 31 on the base 10 away from the first connection part 11, and the distance from the retracting and pulling module 32 to the first connection part 11 is greater than the distance from the push-pull module 31 to the first connection part 11. The retracting and pulling module 32 is connected to the end of the support frame 20 axially away from the second connection part 21, and can be connected to the end of the support frame 20 or a position close to the end. The retracting and pulling module 32 is mainly used to retract and pull the support frame 20 toward the base 10. In the process of the push-pull module 31 pushing the support frame 20 so that the support frame 20 as a whole rotates and opens with its back to the base 10, the retracting and pulling module 32 provides a pulling force support in the opposite direction of the rotation and opening of the support frame 20. When the support frame 20 raises the workpiece 200 to the highest point, the heavy workpiece 200 to be assembled will have an unstable center of gravity and tilt forward. This problem can be avoided by the pulling force support provided by the retracting and pulling module 32. In the process of the push-pull module 31 pulling the support frame 20 so that the support frame 20 as a whole rotates and closes with its back to the base 10, the pulling force provided by the retracting and pulling module 32 cooperates with the push-pull module 31 to more easily pull and drive the support frame 20 to rotate and close with its back to the base 10.

[0039] Further, refer to Figures 4 to 8The retracting module 32 includes a retracting drive 321, a movable pulley 322 and a cable 323. The retracting drive 321 and the movable pulley 322 are both fixed to the base 10 and the movable pulley 322 is located above the retracting drive 321. The cable 323 is placed on the movable pulley 322 and one end is connected to the retracting drive 321, and the other end is connected to the end of the support frame 20 axially away from the second connecting portion 21, wherein the retracting drive 321 is used to reel in the cable 323. In a specific embodiment, the retracting drive member 321 is fixed to the base 10. The retracting drive member 321 is specifically a device with a rotational drive function, such as a motor. The movable pulley 322 is fixed to the base 10 and is located above the retracting drive member 321 by a certain distance. The cable 323 is specifically a steel wire rope or other rope with high strength and toughness. One end of the cable 323 is fixedly connected to the drive shaft of the retracting drive member 321, and the other end is fixed to the end of the support frame 20 axially away from the second connecting portion 21. The cable 323 is placed on the movable pulley 322, making the movable pulley 322 a fulcrum. The retracting drive member 321 reels one end of the cable 323 by rotating. When the support frame 20 is not opened relative to the base 10, the cable 323 is in a state of being completely retracted by the retracting drive member 321. As the push-pull module 31 pulls and drives the support frame 20 to rotate and open as a whole, facing away from the base 10, the cable 323 is gradually lengthened as the angle of the support frame 20 increases, until the support frame 20 lifts the workpiece 200 to be assembled and suspends it in the air at a preset position. As the push-pull module 31 pulls and drives the support frame 20 to rotate and close as a whole, facing the base 10, the retracting and pulling drive 321 works, gradually reeling in one end of the cable 323, causing the cable 323 to generate tension and retracting the support frame 20 with the movable pulley 322 as the fulcrum. The cable 323 is gradually shortened, and the support frame 20 as a whole rotates and closes toward the base 10 under the pull of the push-pull module 31 and the tension of the cable 323. The tension of the support frame 20 is greater, and the pulling and driving of the support frame 20 is easier.

[0040] In one embodiment, referring to Figure 5 and Figure 6The base 10 is further provided with a first limiting portion 12, which is adjacent to a side of the first connecting portion 11 away from the traction mechanism 30. A second limiting portion 23 extends axially from the end of the support frame 20 connected to the first connecting portion 11. When the support frame 20 is perpendicular to the base 10, the first limiting portion 12 stops the second limiting portion 23. In a specific embodiment, the first limiting portion 12 is a plate-shaped protruding structure on the base 10, the height of which is generally less than the height of the first connecting portion 11. The first limiting portion 12 is adjacent to a side of the first connecting portion 11 away from the traction mechanism 30. The second limiting portion 23 is a plate-like structure at one end of the support frame 20 connected to the first connecting portion 11 that extends a certain length along the axial direction of the support frame 20. The extended length of the second limiting portion 23 is usually less than the height of the first connecting portion 11. When the support frame 20 is perpendicular to the base 10, that is, when the support frame 20 is rotated and opened at an angle of 90 degrees relative to the base 10, the first limiting portion 12 on the base 10 will stop the second limiting portion 23 on the support frame 20. The first limiting portion 12 stops the second limiting portion 23 to form a limit, so that the support frame 20 cannot continue to rotate and open, so that the support frame 20 can be rotated and opened at a maximum angle of 90 degrees relative to the base 10. Because the workpiece 200 to be assembled has a certain weight, the first limiting portion 12 on the base 10 stops the second limiting portion 23 on the support frame 20, which can effectively prevent the support frame 20 from turning over due to excessive rotation and opening angle relative to the base 10.

[0041] In one embodiment, referring to Figures 1 to 8 The base 10 is further provided with a support portion 14 on its upward side. The support portion 14 is located in the rotational opening and closing direction of the support frame 20. When the support frame 20 is parallel to the base 10, the support frame 20 abuts against the support portion 14. In a specific implementation, the support portion 14 is a raised table-like structure on the base 10. The upward side of the support portion 14 is a flat structure. When the support frame 20 is parallel to the base 10, that is, when the angle of rotation and opening of the support frame 20 relative to the base 10 is 0 degrees, the side of the support frame 20 facing the base 10 abuts against the flat surface of the upward side of the support portion 14. The support portion 14 as a whole provides a stable support for the support frame 20, so that the support frame 20 as a whole remains horizontal, and the workpiece 200 to be assembled can be connected and fixed to the support frame 20 very conveniently.

[0042] Further, refer to Figure 4 、 Figure 7 and Figure 8The support portion 14 has a recessed positioning notch 141 on its upward side, and the support frame 20 has a convex positioning ridge 201 on its side facing the base 10 , wherein when the support frame 20 is resting on the support portion 14 , the positioning ridge 201 is embedded in the positioning notch 141 . In the specific implementation, the positioning groove 141 is an open groove structure formed by a recessed arrangement on the upward side of the support portion 14, and the positioning ridge 201 is a plate-like structure protruding from the side of the support frame 20 facing the base 10. The groove depth of the positioning groove 141 is greater than the protruding length of the positioning ridge 201, and the groove width is adapted to the thickness of the positioning ridge 201. When the support frame 20 is supported on the support portion 14, the positioning ridge 201 is embedded in the positioning groove 141, and the groove walls on both sides of the positioning groove 141 form a limit for the positioning ridge 201, limiting the left and right movement of the positioning ridge 201, so that the support frame 20 is in an unopened state relative to the base 10. The support frame 20 can remain more stable, avoiding the left and right shaking of the support frame 20 during the process of connecting and fixing the workpiece 200 to be assembled to the support frame 20.

[0043] In one embodiment, referring to Figure 1 、 Figure 5 and Figure 8 The workpiece assembly auxiliary device also includes a counterweight 40, which is provided on the base 10 and adjacent to the traction mechanism 30, wherein the counterweight 40 is used to increase the weight of the base 10. In a specific implementation, the counterweight 40 is provided adjacent to the traction mechanism 30, mainly to increase the weight of the base 10. The counterweight 40 is a large-mass block structure, which can be a large-mass object such as a steel block, an iron block, or a stone block. The weight of the workpiece 200 to be assembled is generally relatively large. If the weight of the base 10 is relatively small, it may cause the center of gravity to be unstable during the process of the support frame 20 supporting the workpiece 200 to be assembled and suspending it in the air, causing the entire device to flip over. By adding the counterweight 40, the weight of the base 10 can be increased, ensuring that the center of gravity of the entire device is concentrated on the base 10, thereby avoiding the situation where the device flips over.

[0044] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A workpiece assembly auxiliary device, characterized in that: include: Base; A support frame, rotatably connected to the base, and used to connect and fix the workpiece to be assembled; A traction mechanism is arranged on the base and connected to the support frame, and the traction mechanism is used to pull the support frame to rotate and open relative to the base to prop up the support frame, so that the support frame rotates to a vertical direction to suspend the workpiece to be assembled.

2. The workpiece assembly auxiliary device according to claim 1, characterized in that: A first connection portion is provided on an upward side of the base, a second connection portion is provided at one end of the support frame, the second connection portion is hinged to the first connection portion, and the traction mechanism is located in the rotation opening and closing direction of the support frame and is spaced from the first connection portion.

3. The workpiece assembly auxiliary device according to claim 2, characterized in that: The traction mechanism includes a push-pull module, which is movably connected to the base and to a side of the support frame facing the base, wherein the push-pull module is used to push, extend or retract the support frame so that the support frame rotates away from the base to open or rotates toward the base to close.

4. The workpiece assembly auxiliary device according to claim 3, characterized in that: The push-pull module group includes a hydraulic telescopic driving component. A third connecting part is provided on the side of the support frame facing the base. The third connecting part is spaced apart from the second connecting part along the axial direction of the support frame. The base is provided with a fourth connecting part in the rotational opening and closing direction of the support frame. The fourth connecting part is spaced apart from the first connecting part in the rotational opening and closing direction of the support frame. Both ends of the hydraulic telescopic driving component are rotatably connected to the third connecting part and the fourth connecting part respectively.

5. The workpiece assembly auxiliary device according to claim 3, characterized in that: The traction mechanism also includes a retracting and pulling module group, which is arranged in front of the side of the push-pull module group away from the first connection part and is connected to the end of the support frame axially away from the second connection part, wherein the retracting and pulling module group is used to retract the support frame toward the base.

6. The workpiece assembly auxiliary device according to claim 5, characterized in that: The retracting module includes a retracting drive, a movable pulley and a cable, wherein the retracting drive and the movable pulley are both fixed to the base and the movable pulley is located above the retracting drive, the cable is placed on the movable pulley and one end of the cable is connected to the retracting drive, and the other end is connected to one end of the support frame axially away from the second connection part, wherein the retracting drive is used to reel in the cable.

7. The workpiece assembly auxiliary device according to any one of claims 2 to 6, characterized in that: The base is also provided with a first limiting portion, which is adjacent to a side of the first connecting portion away from the traction mechanism, and the end of the support frame connected to the first connecting portion is provided with a second limiting portion extending along the axial direction of the support frame, wherein when the support frame is perpendicular to the base, the first limiting portion stops the second limiting portion.

8. The workpiece assembly auxiliary device according to any one of claims 2 to 6, characterized in that: A support portion is further provided on an upward side of the base, and the support portion is located in the rotation opening and closing direction of the support frame, wherein when the support frame is parallel to the base, the support frame is supported on the support portion.

9. The workpiece assembly auxiliary device according to claim 8, characterized in that: A positioning notch is concavely provided on an upward side of the support portion, and a positioning ridge is convexly provided on a side of the support frame facing the base, wherein when the support frame is supported on the support portion, the positioning ridge is embedded in the positioning notch.

10. The workpiece assembly auxiliary device according to any one of claims 1 to 6, characterized in that: The workpiece assembly auxiliary device further comprises a counterweight, which is arranged on the base and adjacent to the traction mechanism, wherein the counterweight is used to increase the weight of the base.

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