Automatic clamping device for connector

Abstract

The present invention relates to the technical field of automatic clamping of connectors, and specifically to an automatic clamping device for connectors, comprising: a transverse rod, a chassis is arranged at the end of the transverse rod; a clamping tube, a first card groove is arranged on the surface of the clamping tube, a first rotating shaft is arranged at the end of the clamping tube, a first plug-in groove and a second plug-in groove are opened on the surface of the first rotating shaft, a through groove and a third plug-in groove are opened on the surface of the clamping tube, a groove is opened on the surface of the chassis, a lifting rod is arranged in the groove, a swing rod is arranged at the end of the lifting rod, a second push ring is arranged at the end of the swing rod, a connector is placed in the third plug-in groove; and a push rod is arranged inside the groove; the beneficial effect is: the end of the connector is processed by a processing component, and after the first rotating shaft is rotated, the plug-in board is plugged into the first plug-in groove, so that the end of the extension tube can be exposed outside the clamping tube, and the end of the extension tube can be processed by the processing component.

Description

Technical Field

[0001] The invention relates to the technical field of automatic clamping of connectors, in particular to an automatic clamping device for connectors. Background Art

[0002] Automotive connectors are a type of component that electronic engineers often come into contact with. Its function is very simple: to build a bridge of communication between blocked or isolated circuits within a circuit, so that current can flow and the circuit can achieve its intended function;

[0003] In the prior art, the patent publication number is CN212947665U, and the name is automatic clamping equipment for automobile connectors. In view of the problem that the existing automobile connectors are not convenient to clamp and fix during production, the following solution is proposed, which includes a workbench, a placement table is provided above the workbench, and four vertical holes are opened on the placement table. Vertical plates are slidably installed in the four vertical holes, and clamping blocks are installed on the tops of the four vertical plates. Screws are rotatably installed in the four vertical holes, and the four screws are respectively threadedly connected to the four vertical plates. Gears are fixedly sleeved on the outer sides of the four screws. Four racks are fixedly installed on the top of the workbench, and the four gears are respectively meshed with the four racks. A cylinder is fixedly installed on the bottom of the workbench. The utility model is convenient for clamping and fixing the workpiece, and the position of the clamping block can be adjusted to adapt to workpieces of different sizes. It has a simple structure and is easy to use.

[0004] However, the connector needs to be processed in multiple positions, and the connector clamping position needs to be changed after the connector is removed, which results in low processing efficiency and affects the processing flow. Summary of the invention

[0005] The object of the present invention is to provide an automatic clamping device for a connector to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: an automatic clamping device for a connector, comprising:

[0007] A traverse rod, the end of which is provided with a chassis;

[0008] A clamping tube, a first card groove is arranged on the surface of the clamping tube, a first rotating shaft is arranged on the end of the clamping tube, a first plug-in groove and a second plug-in groove are arranged on the surface of the first rotating shaft, a through groove and a third plug-in groove are arranged on the surface of the clamping tube, a groove is arranged on the surface of the chassis, a lifting rod is arranged in the groove, a swing rod is arranged at the end of the lifting rod, a second push ring is arranged at the end of the swing rod, a connector is placed in the third plug-in groove; and a push rod is arranged inside the groove.

[0009] Preferably, the chassis is fixed to the end of the transverse rod, a circular hole is opened on the surface of the chassis, a piston rod is arranged in the circular hole, the piston rod can move transversely in the circular hole, the end of the piston rod is connected to a push assembly, the push assembly pushes the piston rod to move transversely in the circular hole, a first push ring is fixed on the surface of the piston rod, the diameter of the first push ring is larger than the diameter of the piston rod, and the first push ring moves transversely with the piston rod.

[0010] Preferably, an extension tube is fixed on the surface of the connector, the connector is inserted in the third insertion slot, and the extension tube is inserted in the first clamping slot, the inner wall of the through slot is provided with a rubber strip, the rubber strip is clamped on the surface of the extension tube, a clamping groove is provided on the surface of the clamping tube, a clamping head is provided on the inner wall of the groove, and the ends of the clamping heads are connected with pushing assemblies, the pushing assemblies push the clamping heads to move, the two groups of clamping heads move relative to each other, and after the clamping heads move, they are inserted into the clamping grooves to clamp the connector.

[0011] Preferably, the clamping tube can swing along the first rotating shaft, and a plug-in plate is plugged into the inner wall of the groove, and a spring is connected to one side of the plug-in plate located inside the groove, and the spring has a pulling force on the plug-in plate, so that the plug-in plate enters the interior of the groove, and a force-bearing groove is provided at the bottom of the plug-in plate, and one side of the force-bearing groove is arc-shaped, and a push rod is provided at the bottom of the plug-in plate, which can be raised and lowered. After the push rod rises, it is held on the arc-shaped side of the force-bearing groove, so that the plug-in plate is subjected to the push force and moves toward the direction of the first rotating shaft, and the plug-in plate can be plugged into the first plug-in groove and the second plug-in groove on the surface of the first rotating shaft.

[0012] Preferably, the push rod is inserted between the slot and the circular hole, a first spring is provided on the surface of the push rod, the other side of the first spring is connected to the inner wall of the slot, the first spring has a pulling force on the push rod, so that the push rod is directed toward the circular hole, an extrusion ring is fixed to the end of the push rod, the extrusion ring is located in the circular hole, and the extrusion ring is supported on the surface of the first push ring, so that the end of the push rod is always inserted in the force groove, when the first push ring moves, the extrusion ring is supported on the surface of the piston rod, and the end of the push rod can be moved out of the force groove.

[0013] Preferably, a lifting rod is inserted between the slot and the circular hole, a limiting rod is fixed on the surface of the lifting rod, the limiting rod is inserted in the inner wall of the slot, a movable slot is provided between the slot and the circular hole, a round ball is fixed at one end of the lifting rod located in the circular hole, a second spring is provided on the surface of the lifting rod, the second spring has a thrust on the lifting rod, so that the second spring at one end of the lifting rod is supported on the surface of the piston rod, and when the first push ring is supported on the surface of the second spring, the lifting rod moves with the second spring.

[0014] Preferably, a vertical rod is inserted into the surface of the piston rod, and the vertical rod can move inside the piston rod. A hoop is fixed to the end of the vertical rod, and the hoop is sleeved on the surface of the lifting rod. A second rotating shaft is provided at the end of the lifting rod. The lifting rod is hinged with a swing rod through the second rotating shaft. The swing rod swings along with the second rotating shaft, and a second push ring is fixed to the end of the swing rod.

[0015] Preferably, the vertical rod is located in the movable groove and can move in the movable groove, the lifting rod can drive the swing rod to move toward the direction of the clamping tube, and the second push ring is supported on the end of the connector located in the clamping tube after the swing rod moves, so that the connector enters the interior of the clamping tube.

[0016] Preferably, an elastic rod is connected between the swing rod and the lifting rod, the elastic rod is elastic, and the elastic rod, the swing rod and the lifting rod all have a thrust force, so that the swing rod and the lifting rod are close to each other.

[0017] Preferably, the side of the second push ring close to the clamping tube is arc-shaped. When the second push ring is supported on the end of the connector, the arc-shaped side of the second push ring is supported on the surface of the connector, so that the connector moves with the support of the second push ring.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention proposes that the end of the connector is inserted into the third plug-in slot, the extension tube is inserted into the first card slot, a rubber strip is provided in the through slot, the rubber strip is supported on the surface of the extension tube, the connector and the extension tube are stabilized inside the clamping tube, the clamping head is moved and inserted into the clamping slot, the connector inside the clamping tube is clamped, so that one end of the connector is exposed outside the clamping tube, the end of the connector is processed by the processing component, and after the first rotating shaft is rotated, the plug-in board is inserted into the first plug-in slot, so that the end of the extension tube can be exposed outside the clamping tube, the end of the extension tube can be processed by the processing component, and there is no need to remove the connector and re-clamp it. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0021] Figure 2 This is a structural schematic diagram from another viewing angle of the present invention.

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the present invention.

[0023] Figure 4 It is a schematic structural diagram of another viewing angle of the cross section of the present invention.

[0024] Figure 5 for Figure 2A schematic diagram of the enlarged structure in the middle.

[0025] Figure 6 for Figure 3 Enlarged schematic diagram of the structure at point B in the middle.

[0026] Figure 7 for Figure 4 Enlarged schematic diagram of the structure at point C in the middle.

[0027] Figure 8 It is a schematic diagram of the clamping tube structure of the present invention.

[0028] Fig. 9 It is a schematic diagram of the lifting rod structure of the present invention.

[0029] In the figure: transverse rod 1, chassis 2, slot 3, connector 4, extension tube 5, round hole 6, piston rod 7, first push ring 8, first clamping groove 9, through groove 10, rubber strip 11, third plug-in groove 12, second push ring 13, swing rod 14, elastic rod 15, lifting rod 16, vertical rod 17, hoop 18, limit rod 19, clamping groove 20, first spring 21, push rod 22, first plug-in groove 23, second plug-in groove 24, force groove 25, plug-in plate 26, first rotating shaft 27, clamping tube 28, extrusion ring 29, ball 30, second spring 31, clamping head 32, second rotating shaft 34, movable groove 35. DETAILED DESCRIPTION

[0030] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figures 1 to 9 The present invention provides a technical solution: an automatic clamping device for a connector, comprising:

[0032] Embodiment 1: A chassis 2 is provided at the end of the traverse rod 1; a first clamping groove 9 is provided on the surface of the clamping tube 28, a first rotating shaft 27 is provided on the end of the clamping tube 28, a first plug-in groove 23 and a second plug-in groove 24 are provided on the surface of the first rotating shaft 27, a through groove 10 and a third plug-in groove 12 are provided on the surface of the clamping tube 28, a groove 3 is provided on the surface of the chassis 2, a lifting rod 16 is provided in the groove 3, a swing rod 14 is provided at the end of the lifting rod 16, and a second push ring 1 is provided at the end of the swing rod 14 3, a connector 4 is placed in the third plug-in slot 12; and a push rod 22 is arranged inside the slot 3, the first push ring 8 is supported on the surface of the extrusion ring 29, so that the first spring 21 is stretched, the end of the push rod 22 is inserted into the force groove 25, so that the end of the plug-in plate 26 is inserted into the second plug-in slot 24, the angle of the first rotating shaft 27 is fixed, the piston rod 7 drives the first push ring 8 to move, and the first push ring 8 is supported on the surface of the ball 30 after moving, so that the second spring 31 is squeezed;

[0033] Embodiment 2: The surface of the clamping tube 28 is provided with a first card slot 9, the end of the clamping tube 28 is provided with a first rotating shaft 27, the surface of the first rotating shaft 27 is provided with a first plug slot 23 and a second plug slot 24, the surface of the clamping tube 28 is provided with a through slot 10 and a third plug slot 12, the surface of the chassis 2 is provided with a slot 3, a lifting rod 16 is provided in the slot 3, a swing rod 14 is provided at the end of the lifting rod 16, a second push ring 13 is provided at the end of the swing rod 14, a connector 4 is placed in the third plug slot 12, an extension tube 5 is fixed to the surface of the connector 4, the connector 4 is plugged into the third plug slot 12, and the extension tube 5 is plugged into the first card slot 9 In the embodiment, a rubber strip 11 is arranged on the inner wall of the through groove 10, and the rubber strip 11 is stuck on the surface of the extension tube 5. A clamping groove 20 is arranged on the surface of the clamping tube 28. A clamping head 32 is arranged on the inner wall of the slot 3. Both ends of the clamping head 32 are connected with a pushing assembly. The pushing assembly pushes the clamping head 32 to move. The two groups of clamping heads 32 move relative to each other. After the clamping head 32 moves, it is inserted into the clamping groove 20 to clamp the connector 4. After the clamping head 32 moves, it is inserted into the clamping groove 20 to clamp the connector 4 inside the clamping tube 28, so that one end of the connector 4 is exposed outside the clamping tube 28, and the end of the connector 4 is processed by the processing assembly.

[0034] The clamping tube 28 can swing along the first rotating shaft 27. The inner wall of the slot 3 is plugged with a plug-in board 26. A spring is connected to one side of the plug-in board 26 located inside the slot 3. The spring has a pulling force on the plug-in board 26, so that the plug-in board 26 enters the inside of the slot 3. A force groove 25 is provided at the bottom of the plug-in board 26. One side of the force groove 25 is arc-shaped. A push rod 22 is provided at the bottom of the plug-in board 26. The push rod 22 can be raised and lowered. After the push rod 22 rises, it is held on the arc-shaped side of the force groove 25, so that the plug-in board 26 is subjected to the push force and moves toward the direction of the first rotating shaft 27. The plug-in board 26 can be plugged into the first plug-in slot 23 and the second plug-in slot 24 on the surface of the first rotating shaft 27.

[0035] The push rod 22 is arranged inside the slot 3, and the push rod 22 is inserted between the slot 3 and the circular hole 6. The surface of the push rod 22 is provided with a first spring 21, and the other side of the first spring 21 is connected to the inner wall of the slot 3. The first spring 21 has a pulling force on the push rod 22, so that the push rod 22 is directed toward the circular hole 6. The end of the push rod 22 is fixed with an extrusion ring 29, which is located in the circular hole 6, and the extrusion ring 29 is held on the surface of the first push ring 8, so that the push rod 22 The end of the rod 22 is always inserted in the force groove 25. When the first push ring 8 moves and the extrusion ring 29 is held on the surface of the piston rod 7, the end of the push rod 22 can be moved out of the force groove 25. A lifting rod 16 is inserted between the slot 3 and the round hole 6. A limit rod 19 is fixed on the surface of the lifting rod 16. The limit rod 19 is inserted in the inner wall of the slot 3. A movable groove 35 is provided between the slot 3 and the round hole 6. A ball 30 is fixed on one end of the lifting rod 16 located in the round hole 6. A second spring 31 is provided on the surface of the lifting rod 16, and the second spring 31 has a thrust on the lifting rod 16, so that the second spring 31 at one end of the lifting rod 16 is supported on the surface of the piston rod 7. When the first push ring 8 is supported on the surface of the second spring 31, the lifting rod 16 moves with the second spring 31. The surface of the piston rod 7 is plugged with a vertical rod 17, and the vertical rod 17 can move inside the piston rod 7. A hoop 18 is fixed to the end of the vertical rod 17, and the hoop 18 is sleeved on the surface of the lifting rod 16. A second rotating shaft 34 is provided at the end of the lifting rod 16. The lifting rod 16 is hinged with a swing rod 14 through the second rotating shaft 34. The swing rod 14 swings with the second rotating shaft 34. After the first rotating shaft 27 rotates, the plug-in plate 26 is plugged into the first plug-in groove 23, so that the end of the extension tube 5 can be exposed outside the clamping tube 28. The end of the extension tube 5 can be processed by the processing assembly, and there is no need to remove the connector 4 and clamp it again.

[0036] A second push ring 13 is fixed to the end of the swing rod 14, the vertical rod 17 is located in the movable groove 35, and the vertical rod 17 can move in the movable groove 35, and the lifting rod 16 can drive the swing rod 14 to move in the direction of the clamping tube 28. After the swing rod 14 moves, the second push ring 13 is supported on the end of the connector 4 located in the clamping tube 28, so that the connector 4 enters the interior of the clamping tube 28. An elastic rod 15 is connected between the swing rod 14 and the lifting rod 16. The elastic rod 15 is elastic, and the elastic rod 15, the swing rod 14 and the lifting rod 16 all have a push force, so that The swing rod 14 and the lifting rod 16 are close to each other, and the side of the second pushing ring 13 close to the clamping tube 28 is arc-shaped. When the second pushing ring 13 is supported on the end of the connector 4, the arc-shaped side of the second pushing ring 13 is supported on the surface of the connector 4, so that the connector 4 moves with the support of the second pushing ring 13, and the end of the connector 4 is inserted into the third plug-in groove 12, and the extension tube 5 is inserted into the first card groove 9. A rubber strip 11 is provided in the through groove 10, and the rubber strip 11 is supported on the surface of the extension tube 5 to stabilize the connector 4 and the extension tube 5 inside the clamping tube 28.

[0037] The chassis 2 is fixed to the end of the transverse rod 1, and the transverse rod 1 drives the chassis 2 to move. The clamping tube 28 is hinged in the slot 3 through the first rotating shaft 27. The end of the connector 4 is inserted into the third plug-in slot 12, and the extension tube 5 is inserted into the first card slot 9. A rubber strip 11 is provided in the through slot 10. The rubber strip 11 is supported on the surface of the extension tube 5 to stabilize the connector 4 and the extension tube 5 inside the clamping tube 28. The first push ring 8 is supported on the surface of the extrusion ring 29, so that the first spring 21 is stretched and the push ring 8 is supported on the surface of the extrusion ring 29. The end of the push rod 22 is inserted into the force groove 25, so that the end of the plug-in plate 26 is inserted into the second plug-in groove 24, the angle of the first rotating shaft 27 is fixed, the piston rod 7 drives the first push ring 8 to move, and the first push ring 8 is held on the surface of the ball 30 after moving, so that the second spring 31 is squeezed, and the vertical rod 17 moves with the piston rod 7, and the vertical rod 17 drives the hoop 18 to move. After the hoop 18 moves on the surface of the lifting rod 16, the hoop 18 is clamped on the surface of the swing rod 14 and the lifting rod 16. The swing rod 14 swings around the second rotating shaft 34, the swing rod 14 and the lifting rod 16 are in the same horizontal plane, the swing rod 14 moves with the lifting rod 16, the end of the vertical rod 17 is inserted into the piston rod 7, the vertical rod 17 moves with the swing rod 14 and the lifting rod 16, the second push ring 13 moves to the end of the hoop 18 with the swing rod 14, and the second push ring 13 supports the end of the connector 4 inside the clamping tube 28, so that the connector 4 is subjected to force and then clamps the position inside the tube 28. After confirmation, the clamping head 32 moves and is inserted into the clamping groove 20, clamping the connector 4 inside the clamping tube 28 so that one end of the connector 4 is exposed outside the clamping tube 28, and the end of the connector 4 is processed by the processing component. After the first rotating shaft 27 is rotated, the plug-in plate 26 is inserted into the first plug-in groove 23, so that the end of the extension tube 5 can be exposed outside the clamping tube 28. The end of the extension tube 5 can be processed by the processing component without removing the connector 4 and re-clamping it.

[0038] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. An automatic clamping device for a connector, characterized in that: include: A transverse rod (1), wherein a chassis (2) is provided at an end of the transverse rod (1); A clamping tube (28), a first clamping groove (9) is provided on the surface of the clamping tube (28), a first rotating shaft (27) is provided at the end of the clamping tube (28), a first plugging groove (23) and a second plugging groove (24) are provided on the surface of the first rotating shaft (27), a through groove (10) and a third plugging groove (12) are provided on the surface of the clamping tube (28), a groove (3) is provided on the surface of the chassis (2), a lifting rod (16) is provided in the groove (3), a swing rod (14) is provided at the end of the lifting rod (16), a second push ring (13) is provided at the end of the swing rod (14), a connector (4) is placed in the third plugging groove (12); and a push rod (22) is provided at the opening. The bottom plate (2) is fixed to the end of the traverse rod (1) in the groove (3). A circular hole (6) is provided on the surface of the bottom plate (2). A piston rod (7) is provided in the circular hole (6). The piston rod (7) can move transversely in the circular hole (6). A push assembly is connected to the end of the piston rod (7). The push assembly pushes the piston rod (7) to move transversely in the circular hole (6). A first push ring (8) is fixed to the surface of the piston rod (7). The diameter of the first push ring (8) is larger than the diameter of the piston rod (7). The first push ring (8) moves transversely with the piston rod (7). An extension tube (5) is fixed to the surface of the connector (4). The connector (4) is plugged into the third plug-in groove (12). The extension tube (5) ) is inserted into the first card slot (9), the inner wall of the through slot (10) is provided with a rubber strip (11), the rubber strip (11) is clamped on the surface of the extension tube (5), the surface of the clamping tube (28) is provided with a clamping slot (20), the inner wall of the slot (3) is provided with a clamping head (32), the ends of the clamping head (32) are connected with a push assembly, the push assembly pushes the clamping head (32) to move, the two groups of clamping heads (32) move relative to each other, the clamping head (32) is inserted into the clamping slot (20) after movement, the connector (4) is clamped, the clamping tube (28) can swing along the first rotating shaft (27), the inner wall of the slot (3) is plugged with a plug-in board (26), the plug-in board (2 6) A spring is connected to one side of the slot (3), and the spring exerts a pulling force on the plug-in board (26), so that the plug-in board (26) enters the slot (3). A force groove (25) is provided at the bottom of the plug-in board (26), and one side of the force groove (25) is arc-shaped. A push rod (22) is provided at the bottom of the plug-in board (26), and the push rod (22) can be raised and lowered. After the push rod (22) rises, it is supported on the arc-shaped side of the force groove (25), so that the plug-in board (26) is moved toward the direction of the first rotating shaft (27) by the push force, and the plug-in board (26) can be plugged into the first plug-in groove (23) and the second plug-in groove (24) on the surface of the first rotating shaft (27).

2. The automatic clamping device for connectors according to claim 1, characterized in that: The push rod (22) is inserted between the slot (3) and the circular hole (6). A first spring (21) is arranged on the surface of the push rod (22). The other side of the first spring (21) is connected to the inner wall of the slot (3). The first spring (21) exerts a pulling force on the push rod (22), so that the push rod (22) faces the circular hole (6). An extrusion ring (29) is fixed to the end of the push rod (22). The extrusion ring (29) is located in the circular hole (6). The extrusion ring (29) is supported on the surface of the first push ring (8), so that the end of the push rod (22) is always inserted in the force groove (25). When the first push ring (8) moves and the extrusion ring (29) is supported on the surface of the piston rod (7), the end of the push rod (22) can be moved out of the force groove (25).

3. The automatic clamping device for connectors according to claim 2, characterized in that: A lifting rod (16) is inserted between the slot (3) and the circular hole (6); a limiting rod (19) is fixed on the surface of the lifting rod (16); the limiting rod (19) is inserted into the inner wall of the slot (3); a movable slot (35) is provided between the slot (3) and the circular hole (6); a round ball (30) is fixed to one end of the lifting rod (16) located in the circular hole (6); a second spring (31) is provided on the surface of the lifting rod (16); the second spring (31) has a thrust on the lifting rod (16), so that the second spring (31) at one end of the lifting rod (16) is supported on the surface of the piston rod (7); when the first push ring (8) is supported on the surface of the second spring (31), the lifting rod (16) moves along with the second spring (31).

4. The automatic clamping device for connectors according to claim 3, characterized in that: A vertical rod (17) is inserted into the surface of the piston rod (7), and the vertical rod (17) can move inside the piston rod (7). A hoop (18) is fixed to the end of the vertical rod (17), and the hoop (18) is sleeved on the surface of the lifting rod (16). A second rotating shaft (34) is provided at the end of the lifting rod (16). The lifting rod (16) is hinged to a swing rod (14) via the second rotating shaft (34). The swing rod (14) swings along with the second rotating shaft (34), and a second push ring (13) is fixed to the end of the swing rod (14).

5. The automatic clamping device for connectors according to claim 4, characterized in that: The vertical rod (17) is located in the movable groove (35), and the vertical rod (17) can move in the movable groove (35). The lifting rod (16) can drive the swing rod (14) to move in the direction of the clamping tube (28). After the second push ring (13) moves with the swing rod (14), it is supported on the end of the connector (4) located in the clamping tube (28), so that the connector (4) enters the interior of the clamping tube (28).

6. The automatic clamping device for connectors according to claim 5, characterized in that: An elastic rod (15) is connected between the swing rod (14) and the lifting rod (16); the elastic rod (15) is elastic, and the elastic rod (15), the swing rod (14) and the lifting rod (16) all have a thrust force, so that the swing rod (14) and the lifting rod (16) are brought closer to each other.

7. The automatic clamping device for connectors according to claim 6, characterized in that: The side of the second pushing ring (13) close to the clamping tube (28) is arc-shaped. When the second pushing ring (13) is pressed against the end of the connector (4), the arc-shaped side of the second pushing ring (13) is pressed against the surface of the connector (4), so that the connector (4) moves along with the pressing of the second pushing ring (13).

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