A feeding device for thermal system components of circuit breaker

Abstract

The utility model relates to a feeding device for a thermal system component of a circuit breaker. The technical problem to be solved by the utility model is to provide a feeding device for a thermal system component of a circuit breaker. The technical solution adopted by the utility model: includes a vibration plate equipped with a reset spring, a linear vibrator, a feeding device, a spring rotation direction adjustment device and a spring feeding device, the spring rotation direction adjustment device includes an adjustment main seat, an inward-retracting cylinder, a spring rotation direction cylinder and a concave guide seat, a first inward-retracting block and a second inward-retracting block, a first spring docking column, a spring rotation direction assembly, and a transmission rack; the spring rotation direction assembly includes a rotation direction mounting shaft, a rotating bearing, a spring rotation direction column and a rotating transmission gear. The advantage of the utility model is that the spring head is adjusted to a consistent position through the spring rotation direction adjustment device, so that the number of turns it is inserted into the trip base is consistent, thereby improving the stability and reliability of the product and increasing the service life of the product.

Description

Technical Field

[0001] The utility model relates to a feeding device for a thermal system component of a circuit breaker. Background Art

[0002] The main function of the circuit breaker thermal system component is to fuse itself to cut off the current when the current in the circuit breaker increases abnormally, thereby protecting the safe operation of the circuit. Fig. 9 and 10 As shown, the thermal system component of the circuit breaker generally includes a bimetal component and a trip component, and the trip component includes a trip base 60 and a reset spring 61. Both ends of the reset spring 61 are provided with spring heads 63 formed by spiral winding. The conventional assembly method is to insert the reset spring 61 into the trip base 60. With the application of automation, the existing reset spring 61 is transmitted through a vibration plate, and then the arranged reset spring 61 is clamped by a robot. However, in actual operation, it is found that the positions of the spring heads 63 of the arranged reset springs 61 are different. This feeding method easily causes the reset spring 61 to be inserted into the trip base 60 The number of circles is different, which will affect the tripping force and structural stability of the thermal system component of the circuit breaker, resulting in poor product consistency and low feeding efficiency, affecting the service life of the product, and further improvements and optimizations are made in this regard. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide a feeding device for thermal system components of a circuit breaker.

[0004] The technical solution adopted by the feeding device of the thermal system component of the circuit breaker of the utility model: It is characterized in that it includes a vibration disk equipped with a reset spring, a linear vibrator docked with the vibration disk, a feeding device, a spring rotation direction adjustment device and a spring feeding device, the spring rotation direction adjustment device includes an adjustment main seat, an inward cylinder arranged on the adjustment main seat, a spring rotation direction cylinder and a concave guide seat, a first inward block and a second inward block fixed on the inward cylinder and capable of being moved laterally, a first spring docking column laterally arranged on the first inward block, a spring rotation direction assembly rotatably arranged on the second inward block, and a transmission rack connected to the output end of the spring rotation direction cylinder and capable of being moved longitudinally in the concave guide seat;

[0005] The spring rotation assembly includes a rotation installation shaft, a rotating bearing sleeved on the rotation installation shaft and placed in the second inner receiving block, a spring rotation column arranged at the left end of the rotation installation shaft and a rotating transmission gear sleeved on the right end of the rotation installation shaft, the rotating transmission gear is meshed with the transmission rack for transmission, the spring rotation column includes a rotation column body and a rotation column positioning portion for the reset spring to be sleeved, and the rotation column body is provided with a fan-shaped limiting groove near the end of the rotation column positioning portion for adjusting the position of the spring head to be consistent.

[0006] The lifting device includes a spring receiving seat connected to the output end of the linear vibrator, a lifting cylinder fixed on the spring receiving seat, a lifting block longitudinally penetrated through the spring receiving seat and connected to the output end of the lifting cylinder, a spring locking cylinder fixed on the side of the lifting block, and a spring locking block transversely penetrated through the lifting block and connected to the output end of the spring locking cylinder. The lifting device is used to deliver the reset spring to the spring rotation direction adjusting device.

[0007] The spring receiving seat is provided with a spring main receiving block, the spring main receiving block is provided with a main receiving block ejecting hole for the ejecting receiving block to pass through, a locking and giving way groove which is arranged transversely and communicated with the ejecting hole of the main receiving block, and the spring main receiving block is provided with a spring main limiting groove for limiting the reset spring at the left and right ends of the ejecting hole of the main receiving block;

[0008] The upper end of the top material receiving block is provided with a spring auxiliary limiting groove for limiting the reset spring and corresponding to the spring main limiting groove, and a locking block limiting opening for limiting the action of the spring locking block.

[0009] A main bearing block docking hole is provided on the side of the spring main bearing block, and a waist-shaped limiting opening is longitudinally arranged in the middle of the top material bearing block. The waist-shaped limiting opening and the main bearing block docking hole are connected by a pin.

[0010] The width of the rotary transmission gear is greater than the width of the transmission rack.

[0011] An auxiliary limiting groove for adjusting the position of the spring head to be consistent is provided at the end of the first spring docking column.

[0012] The number of the rotating bearings is 2.

[0013] The advantages of the circuit breaker thermal system component feeding device of the utility model are: the spring head is adjusted to a consistent position through the spring rotation direction adjustment device, so that the number of turns it is inserted into the trip base is consistent, thereby improving the stability and reliability of the product and increasing the service life of the product; the fan-shaped limit groove combined with the gear rack transmission can effectively improve the accuracy of the reset spring rotation direction, with high action reliability, high rotation efficiency and low error rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a structural schematic diagram of a feeding device for a thermal system component of a circuit breaker of the utility model;

[0016] Figure 2It is a structural schematic diagram of the spring rotation direction adjusting device of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the spring rotation direction assembly of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the spring rotation column of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the jacking device of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the spring receiving seat of the utility model;

[0021] Figure 7 It is a structural schematic diagram of the top material receiving block of the utility model;

[0022] Figure 8 This is a structural schematic diagram of the first spring docking column of the utility model;

[0023] Fig. 9 It is a schematic diagram of the structure of the thermal system components of the circuit breaker of the utility model;

[0024] Fig.10 It is a structural schematic diagram of the reset spring of the utility model. DETAILED DESCRIPTION

[0025] like Figure 1-8As shown, the utility model relates to a feeding device for a thermal system component of a circuit breaker, comprising a vibration disk 1 equipped with a reset spring 61, a linear vibrator 2 docked with the vibration disk 1, a feeding device 3, a spring rotation direction adjusting device 4 and a spring feeding device 5, wherein the spring rotation direction adjusting device 4 comprises an adjusting main seat 8, an inward cylinder 9 arranged on the adjusting main seat 8, a spring rotation direction cylinder 15 and a concave guide seat 14, a first inward block 10 and a second inward block 11 fixed on the inward cylinder 9 and movable laterally, a first spring docking column 12 arranged laterally on the first inward block 10, a spring rotation direction assembly 13 rotatably arranged on the second inward block 11, and a transmission rack 16 connected to the output end of the spring rotation direction cylinder 15 and movable longitudinally in the concave guide seat 14; the spring rotation direction assembly 13 comprises a rotation direction mounting shaft 18, a spring rotation direction mounting shaft 18 sleeved on the rotation direction mounting shaft 18 and placed on the second inward block 11, a rotating bearing 19, a spring rotation column 20 arranged at the left end of the rotation mounting shaft 18 and a rotating transmission gear 21 sleeved on the right end of the rotation mounting shaft 18, the rotating transmission gear 21 is meshed with the transmission rack 16 for transmission, the spring rotation column 20 includes a rotation column body 23 and a rotation column positioning portion 24 for the reset spring 61, the rotation column body 23 is provided with a fan-shaped limiting groove 25 for adjusting the position of the spring head 63 to be consistent near the end of the rotation column positioning portion 24, the spring head 63 is adjusted to a consistent position through the spring rotation adjustment device 4, so that the number of turns it is inserted into the trip base 60 is consistent, thereby improving the stability and reliability of the product and increasing the service life of the product; the fan-shaped limiting groove 25 cooperates with the transmission rack 16 and the rotating transmission gear 21 for meshing transmission to effectively improve the accuracy of the reset spring 61 during rotation, with high action reliability, high rotation efficiency and low error rate.

[0026] The lifting device 3 includes a spring receiving seat 30 connected to the output end of the linear vibrator 2, a lifting cylinder 31 fixed on the spring receiving seat 30, a lifting block 32 longitudinally penetrated on the spring receiving seat 30 and connected to the output end of the lifting cylinder 31, a spring locking cylinder 34 fixed on the side of the lifting block 32, and a spring locking block 35 transversely penetrated on the lifting block 32 and connected to the output end of the spring locking cylinder 34. The lifting device 3 is used to deliver the reset spring 61 to the spring rotation direction adjusting device 4, plays a transit and transition role, and has a compact structure.

[0027] The spring receiving seat 30 is provided with a spring main receiving block 38, and the spring main receiving block 38 is provided with a main receiving block top material hole 39 for the top material receiving block 32 to pass through, and a locking and giving way groove 40 which is arranged transversely and communicated with the main receiving block top material hole 39. The spring main receiving block 38 is provided with spring main limiting grooves 41 for limiting the reset spring 61 at the left and right ends of the main receiving block top material hole 39; the upper end of the top material receiving block 32 is provided with a spring auxiliary limiting groove 43 for limiting the reset spring 61 and corresponding to the spring main limiting groove 41, and a locking block limiting mouth 44 for limiting the action of the spring locking block 35, so that the action is stable and reliable.

[0028] The side of the spring main supporting block 38 is provided with a main supporting block docking hole 47, and the middle of the top material supporting block 32 is provided with a longitudinally arranged waist-shaped limiting opening 46. The waist-shaped limiting opening 46 and the main supporting block docking hole 47 are connected by pins, and a multiple limiting structure is adopted, so that the reliability of the overall action is high and the production efficiency is effectively improved.

[0029] The width of the rotating transmission gear 21 is greater than the width of the transmission rack 16 , which effectively prevents the rotating transmission gear 21 from being separated from the transmission rack 16 when moving horizontally, thereby ensuring the stability of the movement.

[0030] The end of the spring first docking column 12 is provided with an auxiliary limiting groove 49 for adjusting the position of the spring head 63 to be consistent, thereby further improving the accuracy of the rotation direction.

[0031] The number of the rotating bearings 19 is two, which makes the rotation more stable and reduces the error.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims

1. A circuit breaker thermal system component feeding device, characterized in that: The invention comprises a vibration plate (1) equipped with a return spring (61), a linear vibrator (2) docked with the vibration plate (1), a material pushing device (3), a spring rotation direction adjusting device (4) and a spring feeding device (5), wherein the spring rotation direction adjusting device (4) comprises an adjusting main seat (8), an inward cylinder (9) arranged on the adjusting main seat (8), a spring rotation direction cylinder (15) and a concave guide seat (14), a first inward block (10) and a second inward block (11) fixed on the inward cylinder (9) and capable of laterally moving, a first spring docking column (12) arranged laterally on the first inward block (10), a spring rotation direction assembly (13) rotatably arranged on the second inward block (11), and a transmission rack (16) connected to the output end of the spring rotation direction cylinder (15) and capable of longitudinally moving in the concave guide seat (14); The spring rotation direction assembly (13) comprises a rotation direction installation shaft (18), a rotating bearing (19) sleeved on the rotation direction installation shaft (18) and placed in the second inner receiving block (11), a spring rotation direction column (20) arranged at the left end of the rotation direction installation shaft (18), and a rotating transmission gear (21) sleeved on the right end of the rotation direction installation shaft (18), wherein the rotating transmission gear (21) meshes with the transmission rack (16) for transmission, and the spring rotation direction column (20) comprises a rotation direction column body (23) and a rotation direction column positioning portion (24) for sleeved by the return spring (61), and a fan-shaped limiting groove (25) for adjusting the position of the spring head (63) to be consistent is provided at the end of the rotation direction column body (23) close to the rotation direction column positioning portion (24).

2. The circuit breaker thermal system component feeding device according to claim 1, characterized in that: The ejection device (3) comprises a spring receiving seat (30) connected to the output end of the linear vibrator (2), a ejection cylinder (31) fixed on the spring receiving seat (30), a ejection receiving block (32) longitudinally inserted through the spring receiving seat (30) and connected to the output end of the ejection cylinder (31), a spring locking cylinder (34) fixed to the side of the ejection receiving block (32), and a spring locking block (35) transversely inserted through the ejection receiving block (32) and connected to the output end of the spring locking cylinder (34). The ejection device (3) is used to deliver the reset spring (61) to the spring rotation direction adjustment device (4).

3. The circuit breaker thermal system component feeding device according to claim 2, characterized in that: The spring receiving seat (30) is provided with a spring main receiving block (38), the spring main receiving block (38) is provided with a main receiving block ejecting hole (39) for the ejecting receiving block (32) to penetrate, a locking and giving way groove (40) arranged transversely and communicating with the main receiving block ejecting hole (39), and the spring main receiving block (38) is provided with spring main limiting grooves (41) for limiting the return spring (61) at the left and right ends of the main receiving block ejecting hole (39); The upper end of the ejection receiving block (32) is provided with a spring auxiliary limiting groove (43) for limiting the return spring (61) and corresponding to the spring main limiting groove (41), and a locking block limiting opening (44) for limiting the action of the spring locking block (35).

4. The circuit breaker thermal system component feeding device according to claim 3, characterized in that: A main bearing block docking hole (47) is provided on the side of the main spring bearing block (38), and a waist-shaped limiting opening (46) is provided in the middle of the top material bearing block (32) in a longitudinal direction. The waist-shaped limiting opening (46) and the main bearing block docking hole (47) are connected by a pin.

5. The circuit breaker thermal system component feeding device according to claim 1, characterized in that: The width of the rotating transmission gear (21) is greater than the width of the transmission rack (16).

6. The circuit breaker thermal system component feeding device according to claim 1, characterized in that: An auxiliary limiting groove (49) for adjusting the position of the spring head (63) to be consistent is provided at the end of the first spring docking column (12).

7. The circuit breaker thermal system component feeding device according to claim 1, characterized in that: The number of the rotating bearings (19) is 2.

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