CN212483780U - Floating type automatic clamping device of frame circuit breaker - Google Patents
Floating type automatic clamping device of frame circuit breaker Download PDFInfo
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- CN212483780U CN212483780U CN202020803430.8U CN202020803430U CN212483780U CN 212483780 U CN212483780 U CN 212483780U CN 202020803430 U CN202020803430 U CN 202020803430U CN 212483780 U CN212483780 U CN 212483780U
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- clamping plate
- screw rod
- circuit breaker
- frame circuit
- upper clamping
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Abstract
The utility model relates to a clamping device, especially a floating automatic clamping device of frame circuit breaker is applicable to the heavy current automated inspection unit of three-phase, belongs to low-voltage apparatus and makes technical field. The movable large support is characterized by comprising a tray, a frame circuit breaker is placed on the upper portion of the tray, the movable large support is further arranged, a movable screw rod is arranged at the left side end and the right side end of the large support respectively, and the left screw rod and the right screw rod simultaneously displace and clamp the frame circuit breaker. Compact structure, further expand its suitability.
Description
Technical Field
The utility model relates to a clamping device, especially a floating automatic clamping device of frame circuit breaker is applicable to the heavy current automated inspection unit of three-phase, belongs to low-voltage apparatus and makes technical field.
Background
The three-phase large current detection item of the frame circuit breaker is a necessary item for factory inspection, and has the function that when the large current input by the circuit breaker is overloaded, an intelligent controller of the frame circuit breaker needs to trip the circuit breaker within a specified time according to the magnitude of the overcurrent so as to protect an electric appliance used at a wire outlet end of the circuit breaker from being burnt. The traditional three-phase heavy current detection method is characterized in that an assembled circuit breaker is pulled to a special detection table manually, flexible connections are connected with all phase busbars of the circuit breaker, then a power-on test is carried out, the flexible connections are removed from all the phase busbars after the flexible connections are completed, time and labor are wasted due to the fact that the flexible connections are heavy, and the circuit breaker needs to be transported by manual switching. Therefore, an online automatic detection mode is provided, and the detection requirements of various specifications such as 1000A, 1600A, drawer type, fixed type, 3 poles, 4 poles and the like are required to be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve exist among the prior art not enough, provide a compact structure reasonable, adapt to multiple different specifications, be qualified for the next round of competitions female arranging interval nonconformity, female thickness nonconformity, the circuit breaker width nonconformity of arranging, female the floating automatic clamping device of frame circuit breaker to the inconsistent circuit breaker of circuit breaker overall dimension.
The above technical problem of the present invention can be solved by the following technical solutions:
a frame circuit breaker floating type automatic clamping device comprises a tray, wherein a frame circuit breaker is placed on the upper portion of the tray, the frame circuit breaker floating type automatic clamping device also comprises a large support capable of moving, the left side end and the right side end of the large support are respectively provided with a screw rod capable of moving, and the left screw rod and the right screw rod simultaneously move to clamp the frame circuit breaker;
the upper end of the large bracket is provided with an upper clamping drainage assembly, the lower end of the large bracket is provided with a lower clamping drainage assembly, and the upper clamping drainage assembly and the lower clamping drainage assembly are symmetrically distributed up and down and have the same structure;
the upper clamping drainage assembly comprises a vertical screw rod, an upper clamping plate and a lower clamping plate which are fixed with the large support, an upper panel which moves up and down along the vertical screw rod is arranged on the vertical screw rod, the upper clamping plate and the lower clamping plate are respectively connected with the upper panel in a rotating mode, a movable clamping opening is formed at the end part of the upper clamping plate and the end part of the lower clamping plate, the movable clamping opening and a busbar in the frame circuit breaker are clamped in a movable mode, and a current lead-in end is arranged at the upper part of the end part of the upper clamping plate; and the lower clamping drainage component is internally provided with a current leading-out end which is distributed correspondingly to the current leading-in end.
Preferably, the screw rods are driven by a horizontal servo motor, the heads of the screw rods are provided with chucks which are in elastic contact with the frame circuit breaker, and the two screw rods are horizontally and symmetrically distributed.
Preferably, the chuck is elastically connected with the screw rod through a pressure spring, a sliding straight groove is formed in the screw rod, a positioning screw rod which moves along the sliding straight groove is arranged in the chuck, and the displacement distance of the chuck is 3 mm.
Preferably, a shaft is arranged in the bottom end of the back surface of the upper panel, the upper clamping plate and the lower clamping plate are respectively sleeved with the shaft, an air cylinder is arranged at the upper part of the tail end of the upper clamping plate and drives the lower clamping plate to rotate along the shaft in a small amplitude, insulating blocks movably clamped with the busbar are respectively arranged on the back surface of the head end of the upper clamping plate and the upper part of the head end of the lower clamping plate, and the insulating blocks in the upper clamping plate extend upwards to the current lead-in end;
the upper clamping plate returns through a spring, a screw fixed to the upper portion of the middle end of the upper clamping plate is arranged in the spring, the screw is rotatably connected with the upper clamping plate through a pin, and a fixing plate sleeved with a vertical screw rod is arranged on the upper portion of the screw;
the vertical screw rod is driven by a vertical servo motor, and a vertical screw rod nut pair is arranged between the vertical servo motor and the vertical screw rod.
Preferably, the surface of the insulating block is arc-shaped, and an insulating sleeve is arranged between the upper clamping plate and the insulating block.
Preferably, two ends of the bottom of the large support are respectively provided with a linear guide rail pair.
The screw rod is provided with a sliding straight groove, and the inner hole of the screw rod supporting seat is provided with a flat key to force the screw rod to rotate linearly along with the driven gear; the end part of the inner side of the screw rod is provided with a chuck, a pressure spring is arranged between the screw rod and the chuck, a screw penetrates through the chuck and pushes into a sliding straight groove of the left screw rod, and the chuck and the screw rod can axially move by about 3 mm; the screw rod is fixedly connected with the chuck through a screw; the upper floating type clamping opening and the lower floating type clamping opening are respectively composed of a lower clamping plate, an upper clamping plate and the like, the lower clamping plate and the upper clamping plate are arranged on an upper panel or a lower panel through a support, a shaft and a seat, the upper panel and the lower panel are arranged on a large bracket through a left linear guide rail pair and a right linear guide rail pair and are respectively driven by a servo motor and a lead screw nut pair, an air cylinder is arranged on the upper clamping plate through the support and a shaft pin, and the shaft end of a piston rod of the air cylinder is arranged on; the fixed plate is arranged on the upper panel; one end of the screw rod is sleeved with a spring, penetrates through the waist hole of the fixing plate and is fixed by a nut, the other end of the screw rod is connected with the base through a pin, and the base is fixed on the upper clamping plate through threads and is locked by the nut; the current lead-in end is arranged on the upper clamping plate through an insulating washer and a spacer bush, and the current lead-in end is kept insulated from the upper clamping plate; the current leading-out end is also arranged on the upper clamping plate through an insulating washer and a spacer bush; an insulating block is arranged at the clamping opening part of the upper clamping plate, so that the breaker busbar is insulated from the upper clamping plate. When the device works, all actions are controlled by the PLC and automatically performed. The tray-loaded frame circuit breaker is transmitted to a three-phase heavy current detection station through a production line, the specification of the circuit breaker is automatically identified through scanning, an upper panel and a lower panel are driven by a servo motor to automatically reset through a screw rod nut pair, a large support is driven by a large cylinder to slide along a linear guide rail pair and approach the frame circuit breaker, a screw rod props against the side face of the circuit breaker, and the cylinder is started, so that a floating type clamping opening formed by the lower clamping plate and the upper clamping plate clamps a circuit breaker inlet bus bar and a circuit breaker; and then the three-phase heavy current equipment supplies power to the circuit breaker through the current leading-in end and flows back to the three-phase heavy current equipment through the current leading-out end, so that the circuit breaker can be subjected to heavy current detection.
The method comprises the following steps:
(1) the tray-carried frame circuit breaker is transmitted to a three-phase heavy current detection station through a production line;
(2) automatically scanning and identifying the specification of the circuit breaker;
(3) the upper panel and the lower panel are respectively driven by an upper vertical servo motor, a vertical screw-nut pair, a lower vertical servo motor and a vertical screw-nut pair, and slide to a PLC set position along the left and right linear guide rail pairs on the large support, namely reset;
(4) the large support is driven by a large cylinder and approaches the frame circuit breaker along the linear guide rail pair;
(5) the screw rod slides leftwards to a PLC set position under the action of a horizontal servo motor and a gear pair to prop against the side face of the frame breaker;
(6) the cylinder is started, the piston rod extends outwards to drive the seat to enable the upper clamping plate to rotate around the shaft, after the right end of the upper clamping plate abuts against the frame breaker busbar, the piston rod of the cylinder continues to extend outwards, the cylinder body of the cylinder drives the lower clamping plate to rotate around the shaft through the support and the shaft pin, the right end of the lower clamping plate abuts against the breaker busbar, and the upper clamping plate and the lower clamping plate clamp the frame breaker busbar under the action of the cylinder;
(7) automatically detecting three-phase heavy current;
(8) starting the cylinder, recovering the piston rod, rotating the lower clamping plate around the shaft under the double actions of the spring and the cylinder, separating the right end of the lower clamping plate from the frame breaker busbar, and recovering to the position before the step (7); the piston rod of the cylinder is continuously recovered, so that the upper clamping plate rotates around the shaft, and the right end of the upper clamping plate is separated from the frame breaker busbar; after the piston rod of the air cylinder is completely recovered, the lower clamping plate is recovered to the position before the step (7), and the size of a clamping opening which is stable with the upper clamping plate is kept;
(9) the screw rod slides to a PLC set position under the action of the horizontal servo motor and the gear pair, and the side face of the frame circuit breaker in the step (7) is loosened;
(10) the large support retracts along the linear guide rail pair under the action of the large cylinder and is far away from the frame circuit breaker;
(11) and the frame circuit breaker flows into the next detection unit or a repair place according to the detection result.
The utility model relates to a floating self-holding device of frame circuit breaker, compact structure further enlarges its suitability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
fig. 3 is a schematic perspective view of the lead screw of the present invention;
FIG. 4 is a cross-sectional structural view of FIG. 3;
fig. 5 is a schematic structural view of the current lead-in end and the upper clamp plate of the present invention;
fig. 6 is a schematic perspective view of the lower splint according to the present invention;
fig. 7 is a schematic perspective view of the upper clamp plate and the cylinder of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example 1: as shown in the figure, the floating type automatic clamping device for the frame circuit breaker comprises a tray 1, wherein the frame circuit breaker 2 is placed on the upper portion of the tray 1, the floating type automatic clamping device also comprises a large support 3 capable of moving, the left side end and the right side end of the large support 3 are respectively provided with a screw rod 4 capable of moving, and the left screw rod 4 and the right screw rod 4 simultaneously move to clamp the frame circuit breaker 2;
the upper end of the large bracket 3 is provided with an upper clamping drainage assembly, the lower end of the large bracket 3 is provided with a lower clamping drainage assembly, and the upper clamping drainage assembly and the lower clamping drainage assembly are symmetrically distributed up and down and have the same structure;
the upper clamping drainage assembly comprises a vertical screw rod 5, an upper clamping plate 6 and a lower clamping plate 7 which are fixed with the large support 1, an upper panel 8 which moves up and down along the vertical screw rod 5 is arranged on the vertical screw rod 5, the upper clamping plate 6 and the lower clamping plate 7 are respectively connected with the upper panel 8 in a rotating mode, a movable clamping opening 9 is formed by the end part of the upper clamping plate 6 and the end part of the lower clamping plate 7, the movable clamping opening 9 and a bus bar in the frame circuit breaker 2 are clamped in a movable mode, and a current lead-in end 10 is arranged at the upper part of the end part of the upper clamping plate 6; and the lower clamping drainage component is internally provided with a current leading-out end 11 which is distributed correspondingly to the current leading-in end 10.
The lead screw 4 is driven by a horizontal servo motor 12, a chuck 13 which is elastically contacted with the frame breaker 2 is arranged at the head of the lead screw 4, and the two lead screws 4 are horizontally and symmetrically distributed.
The clamp 13 is elastically connected with the screw rod 4 through a pressure spring 14, a sliding straight groove 15 is arranged in the screw rod 4, a positioning screw rod 16 which moves along the sliding straight groove 15 is arranged in the clamp 13, and the displacement distance of the clamp 13 is 3 mm.
A shaft 17 is arranged in the bottom end of the back side of the upper panel 8, the upper clamping plate 6 and the lower clamping plate 7 are respectively sleeved with the shaft 17, an air cylinder 18 is arranged at the upper part of the tail end of the upper clamping plate 6, the air cylinder 18 drives the lower clamping plate 7 to rotate along the shaft 17 in a small range, insulating blocks 19 movably clamped with the busbar are respectively arranged on the back side of the head end of the upper clamping plate 6 and the upper part of the head end of the lower clamping plate 7, and the insulating blocks 19 in the upper clamping plate 6 extend upwards to the current lead-in end 10;
the upper clamping plate 6 returns through a spring 20, a screw 21 fixed with the upper part of the middle end of the upper clamping plate 6 is arranged in the spring 20, the screw 21 is rotatably connected with the upper clamping plate 6 through a pin, and a fixing plate 22 sleeved with the vertical screw rod 5 is arranged on the upper part of the screw 21;
the vertical screw rod 5 is driven by a vertical servo motor 23, and a vertical screw rod nut pair 24 is arranged between the vertical servo motor 23 and the vertical screw rod 5.
The surface of the insulating block 19 is arc-shaped, and an insulating sleeve 25 is arranged between the upper clamping plate 6 and the insulating block 19.
Two ends of the bottom of the large bracket 3 are respectively provided with a linear guide rail pair 26.
Claims (6)
1. The utility model provides a floating automatic clamping device of frame circuit breaker, includes tray (1), the upper portion of tray (1) place frame circuit breaker (2), its characterized in that: the movable large support (3) is further included, the movable screw rods (4) are respectively arranged at the left side end and the right side end of the large support (3), and the left screw rod and the right screw rod (4) simultaneously displace and clamp the frame circuit breaker (2);
the upper end of the large bracket (3) is provided with an upper clamping drainage assembly, the lower end of the large bracket (3) is provided with a lower clamping drainage assembly, and the upper clamping drainage assembly and the lower clamping drainage assembly are symmetrically distributed up and down and have the same structure;
the upper clamping drainage assembly comprises a vertical screw rod (5) fixed with the large support (3), an upper clamping plate (6) and a lower clamping plate (7), the vertical screw rod (5) is provided with an upper panel (8) which moves up and down along the vertical screw rod (5), the upper clamping plate (6) and the lower clamping plate (7) are respectively connected with the upper panel (8) in a rotating mode, the end part of the upper clamping plate (6) and the end part of the lower clamping plate (7) form a movable clamping opening (9), the movable clamping opening (9) and a busbar in the frame circuit breaker (2) are movably clamped, and the upper part of the end part of the upper clamping plate (6) is provided with a current introducing end (10); the lower clamping drainage component is internally provided with a current leading-out end (11) which is distributed correspondingly to the current leading-in end (10).
2. The frame circuit breaker floating type automatic clamping device of claim 1, characterized in that: the lead screw (4) is driven by a horizontal servo motor (12), a chuck (13) which is in elastic contact with the frame circuit breaker (2) is arranged at the head of the lead screw (4), and the two lead screws (4) are horizontally and symmetrically distributed.
3. The frame circuit breaker floating type automatic clamping device of claim 2, characterized in that: the clamp head (13) is elastically connected with the screw rod (4) through a pressure spring (14), a sliding straight groove (15) is formed in the screw rod (4), a positioning screw rod (16) which moves along the sliding straight groove (15) is arranged in the clamp head (13), and the displacement distance of the clamp head (13) is 3 mm.
4. The frame circuit breaker floating type automatic clamping device according to claim 1 or 2, characterized in that: the electric current collector is characterized in that a shaft (17) is arranged in the bottom end of the back surface of the upper panel (8), the upper clamping plate (6) and the lower clamping plate (7) are respectively sleeved with the shaft (17), an air cylinder (18) is arranged at the upper part of the tail end of the upper clamping plate (6), the air cylinder (18) drives the lower clamping plate (7) to rotate along the shaft (17) in a small range, insulating blocks (19) which are movably clamped with a bus bar are respectively arranged on the back surface of the head end of the upper clamping plate (6) and the upper part of the head end of the lower clamping plate (7), and the insulating blocks (19) in the upper clamping plate (6) extend upwards to the current lead-in end (10);
the upper clamping plate (6) returns through a spring (20), a screw rod (21) fixed with the upper part of the middle end of the upper clamping plate (6) is arranged in the spring (20), the screw rod (21) is rotatably connected with the upper clamping plate (6) through a pin, and a fixing plate (22) sleeved with the vertical screw rod (5) is arranged on the upper part of the screw rod (21);
the vertical screw rod (5) is driven by a vertical servo motor (23), and a vertical screw rod nut pair (24) is arranged between the vertical servo motor (23) and the vertical screw rod (5).
5. The frame circuit breaker floating type automatic clamping device of claim 4, characterized in that: the surface of the insulating block (19) is arc-shaped, and an insulating sleeve (25) is arranged between the upper clamping plate (6) and the insulating block (19).
6. The frame circuit breaker floating type automatic clamping device according to claim 1 or 2, characterized in that: two ends of the bottom of the large bracket (3) are respectively provided with a linear guide rail pair (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803430.8U CN212483780U (en) | 2020-05-14 | 2020-05-14 | Floating type automatic clamping device of frame circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020803430.8U CN212483780U (en) | 2020-05-14 | 2020-05-14 | Floating type automatic clamping device of frame circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN212483780U true CN212483780U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020803430.8U Active CN212483780U (en) | 2020-05-14 | 2020-05-14 | Floating type automatic clamping device of frame circuit breaker |
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| CN (1) | CN212483780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169025A (en) * | 2023-11-02 | 2023-12-05 | 天水华洋电子科技股份有限公司 | Integrated circuit lead frame process detection technology |
-
2020
- 2020-05-14 CN CN202020803430.8U patent/CN212483780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169025A (en) * | 2023-11-02 | 2023-12-05 | 天水华洋电子科技股份有限公司 | Integrated circuit lead frame process detection technology |
| CN117169025B (en) * | 2023-11-02 | 2024-02-09 | 天水华洋电子科技股份有限公司 | Integrated circuit lead frame process detection technology |
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