Novel tightening clamp

Abstract

The utility model belongs to the technical field of tightening clamps, and discloses a novel tightening clamp which comprises a connecting flange, and a 3D camera is arranged on the connecting flange; the connecting flange is detachably connected with a quick-change disc, the quick-change disc is connected with a cross beam, a linear guide rail is vertically arranged on the cross beam, the other side of the linear guide rail is connected with a floating plate, and the floating plate moves up and down through the linear guide rail; fixed plates are vertically and symmetrically arranged on the floating plate; a tightening gun is arranged at the top of the upper end fixing plate, a flange sleeve is arranged on the upper end face of the lower end fixing plate, a sleeve is rotationally arranged in the flange sleeve, a driving rod of the tightening gun penetrates through the upper end fixing plate and is in hard connection with a connector, and the connector is detachably connected with the top of the sleeve. According to the outer diameter and the length of the bolt, the sleeve with the corresponding size is designed, the sleeve is fixed through the flange sleeve, the double bearings are installed on the inner side, the swing angle of the sleeve can be limited through two-point limiting, and the sleeve is accurately in butt joint with the bolt.

Description

Technical Field

[0001] This application relates to the technical field of tightening jigs, and more specifically, to a novel tightening jig. Background Art

[0002] In the current intelligent assembly industry, the tightening gun in the tightening jig only tightens or loosens some small bolts, uses a short socket, and has a small tightening torque; moreover, the tightening gun is directly hard-connected without detection, so it is impossible to protect the tightening gun, and it is prone to failures. At the same time, there are also the following deficiencies:

[0003] 1. The original tightening jig can only tighten or loosen common short bolts and cannot solve the tightening of non-standard bolts;

[0004] 2. The original tightening jig uses a standard short socket with a short lever arm and a small torque. If the socket length is increased, the swing is large when rotating;

[0005] 3. The original tightening jig has a hard connection between the tightening gun and the socket, without photoelectric detection, the tightening gun is prone to failures, and the equipment stability is low;

[0006] 4. The original tightening jig has no visual detection, uses fixed-point tightening, and it is easy to misalign the center and fail to tighten the bolt.

[0007] Therefore, this application proposes a novel tightening jig to solve the above problems. Utility Model Content

[0008] To solve the above problems, this application provides a novel tightening jig.

[0009] The novel tightening jig provided by this application adopts the following technical solutions:

[0010] A novel tightening jig includes:

[0011] A connecting flange, on which a 3D camera is provided;

[0012] The connecting flange is detachably connected to a quick-change plate, the quick-change plate is connected to a cross beam, a linear guide is vertically arranged on the cross beam, and the other side of the linear guide is connected to a floating plate, and the floating plate moves up and down through the linear guide;

[0013] The floating plate is vertically and symmetrically provided with fixing plates; on the top of the upper fixing plate is provided a tightening gun, on the upper end surface of the lower fixing plate is provided a flange sleeve, a socket is rotatably arranged in the flange sleeve, the driving rod of the tightening gun penetrates through the upper fixing plate and is hard-connected to a connecting head, and the connecting head is detachably connected to the top of the socket.

[0014] Furthermore, a reinforcing plate is provided between the upper fixed plate and the lower fixed plate, and the reinforcing plate, the upper and lower fixed plates and the floating plate form a four-sided closed structure, and the flange sleeve and the connecting head are located in the four-sided closed structure.

[0015] Through the above technical solution, the overall structural stability is enhanced, the flange sleeve and the connector are protected, and the possibility of failure is reduced.

[0016] Furthermore, a photoelectric proximity sensor facing the tightening gun is arranged on the crossbeam.

[0017] Through the above technical solution, the working state of the tightening gun is judged according to the data feedback of the proximity photoelectric, thereby improving the safety and reliability of the tightening process.

[0018] Furthermore, a bearing is provided at the connection point between the sleeve and the flange sleeve.

[0019] Through the above technical solution, the bearing is arranged at the connection point of the sleeve and the flange sleeve, which reduces friction and improves the service life and working efficiency of the tightening gun.

[0020] Furthermore, a damping plate is vertically connected to one side of the linear guide rail connected to the floating plate, and a damping spring is symmetrically arranged on the upper end surface of the damping plate to fit the bottom of the beam.

[0021] Through the above technical solution, the vibration during the downward movement and tightening process can be absorbed, the equipment can be protected, the service life of the equipment can be extended, and the tightening stability can also be improved.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] (1) According to the outer diameter and length of the bolt, a sleeve of corresponding size is designed. The sleeve is fixed with a flange sleeve, and a double bearing is installed on the inside. The two-point limit can limit the swing angle of the sleeve, so that the sleeve can be accurately connected with the bolt;

[0024] (2) A connector is added between the tightening gun and the sleeve. The connector and the tightening gun are hard-connected, and the connector and the sleeve are floatingly connected. The outer floating mechanism can float up and down and be detected to protect the tightening gun from damage, thereby increasing the service life and stability of the equipment.

[0025] (3) The 3D camera takes a picture of the bolt center and gives it to the robot, which can improve the efficiency and accuracy of aligning the sleeve center and the bolt center. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of this application Figure 1 ;

[0027] Figure 2 Structural schematic of the present application Figure 2 。

[0028] Description of the reference numerals in the figure: 1. Connecting flange; 2. 3D camera; 3. Quick-change disk; 4. Cross beam; 5. Linear guide rail; 6. Floating plate; 7. Fixed plate; 8. Flange sleeve; 9. Sleeve; 10. Connector; 11. Reinforcing plate; 12. Proximity photoelectric sensor; 13. Shock-absorbing plate; 14. Shock-absorbing spring; 15. Tightening gun. Specific implementation manners

[0029] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application; obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0030] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0031] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0032] Embodiment:

[0033] The following further details the present application in conjunction with the attached Figure 1 -2.

[0034] The embodiment of the present application discloses a new type of tightening fixture, including:

[0035] A connecting flange 1, on which a 3D camera 2 is arranged;

[0036] The connecting flange is detachably connected with a quick-change plate 3. The quick-change plate 3 is connected with a cross beam 4. A linear guide rail 5 is vertically arranged on the cross beam 4. On the other side of the linear guide rail 5, a floating plate 6 is connected. The floating plate 6 moves up and down through the linear guide rail 5.

[0037] On the floating plate 6, fixing plates 7 are vertically and symmetrically arranged. At the top of the upper fixing plate 7, a tightening gun 15 is arranged. On the upper end face of the lower fixing plate 7, a flange sleeve 8 is arranged. A sleeve 9 is rotatably arranged in the flange sleeve 8. The driving rod of the tightening gun 15 penetrates through the upper fixing plate 7 and is rigidly connected with a connecting head 10. The connecting head 10 is detachably connected to the top of the sleeve 9.

[0038] See Figure 1 and Figure 2 , between the upper fixing plate 7 and the lower fixing plate 7, a reinforcing plate 11 is further arranged. The reinforcing plate 11, the upper and lower fixing plates 7 and the floating plate 6 form a four-sided closed structure. The flange sleeve 8 and the connecting head 10 are located inside the four-sided closed structure; the overall structural stability is strengthened, the flange sleeve 8 and the connecting head 10 are protected, and the possibility of faults is reduced.

[0039] See Figure 1 and Figure 2 , on the cross beam 4, a proximity photoelectric sensor 12 facing the tightening gun 15 is arranged; according to the data feedback of the proximity photoelectric sensor 12, the working state of the tightening gun 15 is judged, and the safety and reliability of the tightening process are improved.

[0040] See Figure 1 and Figure 2 , at the connection point of the sleeve 9 and the flange sleeve 8, a bearing is further arranged; the arrangement of the bearing at the connection point of the sleeve 9 and the flange sleeve 8 reduces friction and improves the service life and working efficiency of the tightening gun 15.

[0041] See Figure 1 and Figure 2 , on the side of the linear guide rail 5 connected with the floating plate 6, a shock-absorbing plate 13 is vertically connected. On the upper end face of the shock-absorbing plate 13, shock-absorbing springs 14 fitting the bottom of the cross beam 4 are symmetrically arranged; the vibrations during the downward movement and tightening process can be absorbed, the equipment is protected, the service life of the equipment is prolonged, and at the same time, the tightening stability is improved.

[0042] The implementation principle of a new type of tightening fixture in the embodiment of this application is as follows:

[0043] Connect a robotic arm, a robot or other equipment with the connecting flange 1. The connection equipment is an extremely mature existing technology in this field and can be selected as required, so no more details will be described here.

[0044] Connect the connecting flange 1 with the robot. The 3D camera 2 takes pictures of the bolt center and gives it to the robot;

[0045] The robot drives the fixture to align the sleeve 9 with the center of the bolt;

[0046] The robot drives the fixture down, approaches the photoelectric 12 for detection and gives a signal, indicating that the sleeve 9 and the nut on the bolt are matched;

[0047] The tightening gun 15 drives the sleeve 9 to rotate through the connector 10 to tighten or loosen the nut on the bolt;

[0048] After tightening or loosening is completed, the robot returns to the origin.

[0049] According to the outer diameter and length of the bolt, a sleeve 9 of corresponding size is designed. The sleeve 9 is fixed by a flange sleeve 8, and a double bearing is installed inside. The two-point limit can limit the swing angle of the sleeve 9, so that the sleeve 9 can be accurately docked with the bolt;

[0050] A connector 10 is added between the tightening gun 15 and the sleeve 9. The connector 10 and the tightening gun 15 are hard-connected. The connector 10 and the sleeve 9 can float up and down and be detected through the floating plate 6 and the linear guide 5 to protect the tightening gun 15 from damage, thereby increasing the service life and stability of the equipment;

[0051] Install the 3D camera 2 to take a picture of the center of the bolt and give it to the robot, so that the center of the sleeve 9 and the center of the bolt can be aligned.

[0052] This application:

[0053] 1. It fills the gap of long lever arm and large torque tightening application;

[0054] 2. The tightening gun 15 is not easily damaged, thereby increasing the service life of the tightening gun 15;

[0055] 3. Multiple protections and detections to increase the stability of equipment use;

[0056] 4. Improve production efficiency and reduce labor.

[0057] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A novel tightening fixture, characterized in that, Including: A connecting flange (1), on which a 3D camera (2) is provided; The connecting flange (1) is detachably connected with a quick-change plate (3), the quick-change plate (3) is connected with a cross beam (4), a linear guide rail (5) is vertically arranged on the cross beam (4), the other side of the linear guide rail (5) is connected with a floating plate (6), and the floating plate (6) moves up and down through the linear guide rail (5); Fixing plates (7) are vertically and symmetrically arranged on the floating plate (6); a tightening gun (15) is arranged on the top of the upper fixing plate (7), a flange sleeve (8) is arranged on the upper end surface of the lower fixing plate (7), a sleeve (9) is rotatably arranged in the flange sleeve (8), a driving rod of the tightening gun (15) penetrates through the upper fixing plate (7) and is rigidly connected with a connecting head (10), and the connecting head (10) is detachably connected with the top of the sleeve (9).

2. The novel tightening fixture according to claim 1, characterized in that: A reinforcing plate (11) is further arranged between the upper fixing plate (7) and the lower fixing plate (7), and a four-sided closed structure is formed among the reinforcing plate (11), the upper and lower fixing plates (7) and the floating plate (6), and the flange sleeve (8) and the connecting head (10) are located in the four-sided closed structure.

3. A novel tightening fixture according to claim 1, characterized in that: A proximity photoelectric sensor (12) facing the tightening gun (15) is arranged on the cross beam (4).

4. A novel tightening fixture according to claim 1, characterized in that: A bearing is further arranged at the connection point between the sleeve (9) and the flange sleeve (8).

5. A novel tightening fixture according to claim 1, characterized in that: A shock-absorbing plate (13) is vertically connected to the side of the linear guide rail (5) connected with the floating plate (6), and shock-absorbing springs (14) fitting the bottom of the cross beam (4) are symmetrically arranged on the upper end surface of the shock-absorbing plate (13).

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