Automatic screw locking device of alternating current contactor

Abstract

The utility model relates to an automatic screw locking device of an alternating current contactor, which is characterized in that a screw feeding mechanism comprises a screw vibration disc, a screw feeding track, a moving block, a moving air cylinder, a feeding air cylinder, a feeding seat and a telescopic suction head, the moving block is arranged at the other end, opposite to the screw vibration disc, of the screw feeding rail, the moving air cylinder drives the moving block to move in the direction perpendicular to the arrangement direction of the screw feeding rail, a moving opening communicated with the screw feeding rail is formed in the moving block, and the feeding air cylinder drives the feeding base to move in the arrangement direction of the screw feeding rail. The telescopic suction head is arranged on the feeding base and used for moving the screws located in the moving opening to the screw mounting mechanism.

Description

Technical Field

[0001] The utility model relates to a screw driving device, in particular to an automatic screw locking device for an AC contactor. Background Art

[0002] AC contactor is an electrical control device widely used in power systems and industrial automation fields. It is mainly used to connect and disconnect AC circuits over long distances and frequently. It is especially suitable for controlling large-capacity loads such as motors, lighting equipment, heaters, and production line equipment.

[0003] At present, after placing the contacts on the contact holder of the AC contactor, it is necessary to manually fix the contacts on the contact holder with screws, which results in low work efficiency and uneven installation accuracy. In the automated assembly process, it is difficult to feed the screws and lock the screws, which affects work efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an automatic screw locking device for an AC contactor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a contactor transmission mechanism, a screw feeding mechanism and a screw installation mechanism; the contactor transmission mechanism transports the contactor to the screw installation mechanism; the screw feeding mechanism feeds the screws and provides the screw installation mechanism with the materials; the screw installation mechanism takes the screws on the screw feeding mechanism and fixes the contacts with contacts through screws; the screw feeding mechanism includes a screw vibration plate, a screw feeding track, a moving block, a moving cylinder, a feeding cylinder, a feeding seat and a telescopic suction head, the screw vibration plate is connected to the screw feeding track, the moving block is arranged at the other end of the screw feeding track relative to the screw vibration plate, the moving cylinder drives the moving block to move along the arrangement direction of the screw feeding track perpendicular to the screw feeding track, the moving block is provided with a moving port connected to the screw feeding track, the feeding cylinder drives the feeding seat to move along the arrangement direction of the screw feeding track, the telescopic suction head is arranged on the feeding seat and has the function of moving the screw located at the moving port to the screw installation mechanism.

[0006] By adopting the above technical solution, after the previous device places the contact on the contact seat of the contactor, the contactor transmission mechanism transfers the contactor to the relative position of the screw installation mechanism, and the screw vibration plate transfers the screw to the screw feeding track until the screw moves to the end of the screw feeding track and enters the moving mouth of the moving block, and then the moving cylinder drives the moving block to move under the telescopic suction head, the telescopic suction head sucks the screw and moves it to the screw installation mechanism through the feeding cylinder. Through the setting of the moving block, the telescopic suction head can accurately suck the screw, which is convenient for subsequent installation.

[0007] The utility model is further configured as follows: the screw installation mechanism includes a receiving frame, a receiving block, a vertical cylinder, a vertical seat, a longitudinal cylinder, a longitudinal seat and an installation head; the receiving block is arranged on the receiving frame; a receiving groove for placing screws is arranged on the receiving block; the vertical cylinder drives the vertical seat to move vertically; the longitudinal cylinder is arranged on the vertical seat and drives the longitudinal seat to move longitudinally; the installation head is arranged on the longitudinal seat and has a material picking position relative to the receiving groove and an installation fixing position relative to the contact seat.

[0008] By adopting the above technical solution, when the telescopic suction head moves the screw to the screw installation mechanism, the telescopic suction head first places the screw in the receiving groove of the receiving block, and then the longitudinal cylinder drives the longitudinal seat to move, so that the installation head moves above the receiving groove, and then the vertical cylinder drives the vertical seat to move, so that the installation head can absorb the screw in the receiving groove, and then the vertical cylinder and the longitudinal cylinder installation head are moved to the contact seat of the corresponding contactor and installed by the installation head. By setting a receiving block, multiple screws can be placed, and then the installation head absorbs and installs them uniformly, thereby improving the installation efficiency.

[0009] The utility model is further configured as follows: the contactor transmission mechanism includes a main conveyor belt, an auxiliary conveyor guide rail, a main cylinder, a pushing frame, a pushing cylinder, a pushing seat, clamps and a push-pull member. The main conveyor belt is parallel to the auxiliary conveyor guide rail. The push-pull member pushes the contactor from the main conveyor belt to the auxiliary conveyor guide rail or pulls the contactor from the auxiliary conveyor guide rail to the main conveyor guide rail. The screw feeding mechanism and the screw installation mechanism are arranged on one side of the auxiliary conveyor guide rail. The main cylinder drives the pushing frame to move vertically. The pushing frame is arranged along the direction of the auxiliary conveyor guide rail. The pushing cylinder is arranged on the pushing frame and drives the pushing seat along the auxiliary conveyor guide rail. A plurality of clamps are arranged on the pushing seat and are used to clamp the contactor. The push-pull member includes a guide rail pushing cylinder, a guide rail pushing block, a guide rail pulling cylinder, and a guide rail pulling block. The guide rail pushing cylinder is arranged at the starting end of the auxiliary conveyor guide rail and drives the guide rail pushing block to push the contactor into the auxiliary conveyor guide rail. The guide rail pulling cylinder is arranged at the end of the auxiliary conveyor guide rail and drives the guide rail pulling block to pull the contactor onto the main conveyor belt.

[0010] By adopting the above technical solution, when the contactor needs to be moved, the contactor is placed on the main conveyor belt, and then when the contactor moves to a position relative to the starting end of the auxiliary conveyor guide rail, the guide rail pushing cylinder drives the guide rail pushing block to push the contactor into the auxiliary conveyor guide rail, and then the main cylinder drives the pushing frame to move upward. At this time, the clamp clamps the contactor on the auxiliary conveyor guide rail, and then the pushing cylinder drives the pushing seat to move along the auxiliary conveyor guide rail, thereby driving the contactor to move until the contactor moves to a position relative to the screw installation mechanism. At this time, the main cylinder drives the pushing frame to move downward, and the clamp releases the contactor. After the contactor completes the installation of the contacts, the main cylinder, the clamp and the pushing cylinder continue to move the contactor to the end of the auxiliary conveyor guide rail, and then the guide rail pulling cylinder drives the guide rail pulling block to pull the contactor from the auxiliary conveyor guide rail to the main conveyor belt, and the processed contactor is removed from the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a structural schematic diagram of the screw feeding mechanism of the utility model;

[0013] Figure 3 For this utility model Figure 1 A partial enlarged view of middle A;

[0014] Figure 4 It is a structural schematic diagram of the screw installation mechanism of the utility model.

[0015] In the figure: 1. contactor transmission mechanism; 11. main conveyor belt; 12. auxiliary conveyor guide rail; 13. main cylinder; 14. pushing frame; 15. pushing cylinder; 16. pushing seat; 17. clamping claw; 18. push-pull member; 181. guide rail pushing cylinder; 182. guide rail pushing block; 183. guide rail pulling cylinder; 184. guide rail pulling block; 4. screw feeding mechanism; 41. screw vibration plate; 42. screw feeding track; 43. moving block; 44. moving cylinder; 45. feeding cylinder; 46. feeding seat; 47. telescopic suction head; 48. moving port; 5. screw installation mechanism; 51. receiving frame; 52. receiving block; 53. vertical cylinder; 54. vertical seat; 55. longitudinal cylinder; 56. longitudinal seat; 57. installation head; 58. receiving slot. DETAILED DESCRIPTION

[0016] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0018] like Figure 1-4 As shown, the utility model discloses an automatic screw locking device for an AC contactor, including a contactor transmission mechanism 1, a screw feeding mechanism 4 and a screw installation mechanism 5; the contactor transmission mechanism 1 transports the contactor to the screw installation mechanism 5; the screw feeding mechanism 4 feeds the screws and provides the screw installation mechanism 5 with the materials; the screw installation mechanism 5 takes the screws on the screw feeding mechanism 4 and fixes the contacts with contacts through screws, the screw feeding mechanism 4 includes a screw vibration plate 41, a screw feeding track 42, a moving block 43, a moving cylinder 44, a feeding cylinder 45, a feeding seat 46 and a telescopic suction head 47, the screw vibration plate 41 is connected to the screw feeding track 42, the moving block 43 is arranged at the other end of the screw feeding track 42 relative to the screw vibration plate 41, the moving cylinder 44 drives the moving block 43 to move along a direction perpendicular to the arrangement direction of the screw feeding track 42, and the moving block 43 is provided with a moving port 48 connected to the screw feeding track 42 The feeding cylinder 45 drives the feeding seat 46 to move along the arrangement direction of the screw feeding track 42. The telescopic suction head 47 is arranged on the feeding seat 46 and has the function of moving the screw located at the moving port 48 to the screw installation mechanism 5. After the previous device places the contact on the contact seat of the contactor, the contactor is transferred to the relative position of the screw installation mechanism 5 by the contactor transmission mechanism 1, and the screw vibration plate 41 transfers the screw to the screw feeding track 42 until the screw moves to the end of the screw feeding track 42 and enters the moving port 48 of the moving block 43, and then the moving cylinder 44 drives the moving block 43 to move under the telescopic suction head 47, and the telescopic suction head 47 sucks the screw and moves it to the screw installation mechanism 5 through the feeding cylinder 45. Through the setting of the moving block 43, the telescopic suction head 47 can accurately suck the screw, which is convenient for subsequent installation. It should be noted that a blocking block is provided on the moving port 48 to prevent the screw from falling. In order to make the view neat, the blocking block is not drawn in the figure.

[0019] The screw installation mechanism 5 includes a receiving frame 51, a receiving block 52, a vertical cylinder 53, a vertical seat 54, a longitudinal cylinder 55, a longitudinal seat 56 and an installation head 57. The receiving block 52 is arranged on the receiving frame 51. The receiving block 52 is provided with a receiving groove 58 for placing the screw. The vertical cylinder 53 drives the vertical seat 54 to move vertically. The longitudinal cylinder 55 is arranged on the vertical seat 54 and drives the longitudinal seat 56 to move longitudinally. The installation head 57 is arranged on the longitudinal seat 56 and has a material taking position relative to the receiving groove 58 and an installation fixing position relative to the contact seat. When the telescopic suction head 47 moves the screw to the screw When installing the mechanism 5, the telescopic suction head 47 first places the screw in the receiving groove 58 of the receiving block 52, and then the longitudinal cylinder 55 drives the longitudinal seat 56 to move, so that the installation head 57 moves to the top of the receiving groove 58, and then the vertical cylinder 53 drives the vertical seat 54 to move, so that the installation head 57 can absorb the screw in the receiving groove 58, and then the vertical cylinder 53 and the longitudinal cylinder 55 move the installation head 57 to the contact seat of the corresponding contactor and install it by the installation head 57. By setting the receiving block 52, multiple screws can be placed, and then the installation head 57 absorbs and installs them uniformly, thereby improving the installation efficiency.

[0020] The contactor transmission mechanism 1 includes a main conveyor belt 11, an auxiliary conveyor guide rail 12, a main cylinder 13, a push frame 14, a push cylinder 15, a push seat 16, a clamp 17 and a push-pull member 18. The main conveyor belt 11 is parallel to the auxiliary conveyor guide rail 12. The push-pull member 18 pushes the contactor from the main conveyor belt 11 to the auxiliary conveyor guide rail 12 or pulls the contactor from the auxiliary conveyor guide rail 12 to the main conveyor guide rail. The screw feeding mechanism 4 and the screw installation mechanism 5 are arranged on one side of the auxiliary conveyor guide rail 12. The main cylinder 13 drives the push frame 14 to move vertically, and the push frame 14 moves along the auxiliary conveyor guide rail. The push cylinder 15 is arranged in the direction of the auxiliary conveying guide rail 12, the pushing cylinder 15 is arranged on the pushing frame 14 and drives the pushing seat 16 to move along the auxiliary conveying guide rail 12, a plurality of clamps 17 are arranged on the pushing seat 16 and are used to clamp the contactor, the push-pull member 18 includes a guide rail pushing cylinder 181, a guide rail pushing block 182, a guide rail pulling cylinder 183, and a guide rail pulling block 184, the guide rail pushing cylinder 181 is arranged at the starting end of the auxiliary conveying guide rail 12 and drives the guide rail pushing block 182 to push the contactor into the auxiliary conveying guide rail 12, the guide rail pulling cylinder 183 is arranged at the end of the auxiliary conveying guide rail 12 and The guide rail pulling block 184 is driven to pull the contactor onto the main conveyor belt 11. When the contactor needs to be moved, the contactor is placed on the main conveyor belt 11. Then, when the contactor moves to a position relative to the starting end of the auxiliary conveyor guide rail 12, the guide rail pushing cylinder 181 drives the guide rail pushing block 182 to push the contactor into the auxiliary conveyor guide rail 12, and then the main cylinder 13 drives the pushing frame 14 to move upward. At this time, the clamp 17 clamps the contactor on the auxiliary conveyor guide rail 12, and then the pushing cylinder 15 drives the pushing seat 16 to move along the auxiliary conveyor guide rail. 12 moves, thereby driving the contactor to move, until the contactor moves to a position relative to the screw installation mechanism 6, at which time the main cylinder 13 drives the push frame 14 to move downward, and the clamping jaw 17 releases the contactor. After the contactor completes the installation of the contacts, the main cylinder 13, the clamping jaw 17 and the pushing cylinder 15 continue to move the contactor to the end of the auxiliary conveying guide rail 12, and then the guide rail pulling cylinder 183 drives the guide rail pulling block 184 to pull the contactor from the auxiliary conveying guide rail 12 to the main conveyor belt 11, and the processed contactor is removed from the device.

[0021] Working principle: After the previous device places the contact on the contactor's contact seat, the contactor is first placed on the main conveyor belt 11, and then when the contactor moves to a position relative to the starting end of the auxiliary conveyor guide rail 12, the guide rail push cylinder 181 drives the guide rail push block 182 to push the contactor into the auxiliary conveyor guide rail 12, and then the main cylinder 13 drives the push frame 14 to move upward. At this time, the clamp 17 clamps the contactor on the auxiliary conveyor guide rail 12, and then the push cylinder 15 drives the push seat 16 to move along the auxiliary conveyor guide rail 12, thereby driving the contactor to move until the contactor moves to a position relative to the screw mounting mechanism 6. At this time, the main cylinder 13 drives the push frame 14 to move downward, and the clamp 17 releases the contactor. At the same time, the contactor transmission mechanism 1 transfers the contactor to the relative position of the screw mounting mechanism 5, and the screw vibration plate 41 transfers the screw to the screw feeding track 42 until the screw moves to the screw feeding track 4. 2 end and enters the moving opening 48 of the moving block 43, and then the moving cylinder 44 drives the moving block 43 to move under the telescopic suction head 47, and the telescopic suction head 47 places the screw in the receiving groove 58 of the receiving block 52, and then the longitudinal cylinder 55 drives the longitudinal seat 56 to move, so that the installation head 57 moves to the top of the receiving groove 58, and then the vertical cylinder 53 drives the vertical seat 54 to move, so that the installation head 57 can absorb the screw in the receiving groove 58, and then the installation head 57 is moved to the contact seat of the corresponding contactor by the vertical cylinder 53 and the longitudinal cylinder 55 and installed by the installation head 57, and when the contactor completes the screw locking, the main cylinder 13, the clamping jaws 17 and the pushing cylinder 15 continue to move the contactor to the end of the auxiliary transmission guide rail 12, and then the guide rail pulling cylinder 183 drives the guide rail pulling block 184 to pull the contactor from the auxiliary transmission guide rail 12 to the main conveyor belt 11, and the contactor that has completed the processing is removed from the device.

Claims

1. An automatic screw locking device for an AC contactor, characterized in that: It includes a contactor transmission mechanism (1), a screw feeding mechanism (4) and a screw installation mechanism (5); The contactor transmission mechanism (1) transmits the contactor to the screw installation mechanism (5); The screw feeding mechanism (4) feeds the screws and provides the screw installation mechanism (5) with the screws; The screw installation mechanism (5) takes the screws on the screw feeding mechanism (4) and fixes the contacts with the contacts by means of the screws; The screw feeding mechanism (4) comprises a screw vibration plate (41), a screw feeding track (42), a moving block (43), a moving cylinder (44), a feeding cylinder (45), a feeding seat (46) and a telescopic suction head (47). The screw vibration plate (41) is connected to the screw feeding track (42). The moving block (43) is arranged at the other end of the screw feeding track (42) relative to the screw vibration plate (41). The moving cylinder (44) drives the moving block (43) to move along a direction perpendicular to the arrangement of the screw feeding track (42). The moving block (43) is provided with a moving port (48) connected to the screw feeding track (42). The feeding cylinder (45) drives the feeding seat (46) to move along the arrangement of the screw feeding track (42). The telescopic suction head (47) is arranged on the feeding seat (46) and has the function of moving the screw located at the moving port (48) to the screw installation mechanism (5).

2. The automatic screw locking device for AC contactor according to claim 1, characterized in that: The screw installation mechanism (5) comprises a receiving frame (51), a receiving block (52), a vertical cylinder (53), a vertical seat (54), a longitudinal cylinder (55), a longitudinal seat (56) and an installation head (57); the receiving block (52) is arranged on the receiving frame (51); a receiving groove (58) for placing screws is arranged on the receiving block (52); the vertical cylinder (53) drives the vertical seat (54) to move vertically; the longitudinal cylinder (55) is arranged on the vertical seat (54) and drives the longitudinal seat (56) to move longitudinally; the installation head (57) is arranged on the longitudinal seat (56) and has a material taking position relative to the receiving groove (58) and an installation fixing position relative to the contact seat.

3. The automatic screw locking device for AC contactor according to claim 1, characterized in that: The contactor transmission mechanism (1) comprises a main conveyor belt (11), an auxiliary conveyor guide rail (12), a main cylinder (13), a pushing frame (14), a pushing cylinder (15), a pushing seat (16), a clamping claw (17) and a push-pull member (18). The main conveyor belt (11) is parallel to the auxiliary conveyor guide rail (12). The push-pull member (18) pushes the contactor from the main conveyor belt (11) to the auxiliary conveyor guide rail (12) or pulls the contactor from the auxiliary conveyor guide rail (12) to the main conveyor belt (11). The conveying guide rail, the screw feeding mechanism (4) and the screw installation mechanism (5) are arranged on one side of the auxiliary conveying guide rail (12); the main cylinder (13) drives the pushing frame (14) to move vertically; the pushing frame (14) is arranged along the direction of the auxiliary conveying guide rail (12); the pushing cylinder (15) is arranged on the pushing frame (14) and drives the pushing seat (16) along the auxiliary conveying guide rail (12); and a plurality of clamping claws (17) are arranged on the pushing seat (16) and are used to clamp the contact seat.

4. The automatic screw locking device for AC contactor according to claim 3, characterized in that: The push-pull member (18) comprises a guide rail pushing cylinder (181), a guide rail pushing block (182), a guide rail pulling cylinder (183), and a guide rail pulling block (184). The guide rail pushing cylinder (181) is arranged at the starting end of the auxiliary transmission guide rail (12) and drives the guide rail pushing block (182) to push the contactor into the auxiliary transmission guide rail (12). The guide rail pulling cylinder (183) is arranged at the end of the auxiliary transmission guide rail (12) and drives the guide rail pulling block (184) to pull the contactor onto the main conveyor belt (11).

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