CN218747541U - Circuit breaker tension spring mounting device - Google Patents

Abstract

The utility model belongs to the technical field of the circuit breaker assembly, a circuit breaker extension spring installation device is disclosed. The circuit breaker tension spring mounting device is used for mounting tension springs of a moving contact of a circuit breaker, the circuit breaker tension spring mounting device comprises a moving contact positioning mechanism, a feeding mechanism, a tension spring transfer mechanism and a tension spring mounting mechanism, and the moving contact positioning mechanism is configured to position a contact assembly and an armature respectively. The feed mechanism includes the vibration dish subassembly, and the vibration dish subassembly can bear and carry the extension spring. The tension spring transfer mechanism is used for receiving tension springs conveyed by the feeding mechanism, can adjust the placing postures of the tension springs and can convey the tension springs. The tension spring mounting mechanism is used for receiving the tension spring conveyed by the tension spring transfer mechanism, stretching the tension spring and hanging the stretched tension spring on the contact assembly and the armature. The device can carry out automatic assembly to the circuit breaker extension spring, has improved the uniformity and the assembly efficiency of extension spring assembly.

Description

Circuit breaker tension spring mounting device

Technical Field

The utility model relates to a circuit breaker assembly technical field especially relates to circuit breaker extension spring installation device.

Background

The moving contact of the molded case circuit breaker comprises a contact assembly, an armature and a tension spring, wherein the tension spring is connected to the contact assembly and the armature in a hanging manner. At present, the plastic case circuit breaker is mainly assembled manually, an operator needs to firstly use a tool to pull and lengthen the tension spring, then buckle the tension spring on the hook of the contact assembly and the armature, and then withdraw the tool to tension the tension spring.

Due to the fact that the tension degree of the tension spring is inconsistent when an operator works, the tension spring is small and is easy to cause damage to the tension spring, and the like, the consistency of the assembled product is poor. Depending on manual operation, the production efficiency is not high, and the requirement of the yield which is increased year by year can not be met.

Therefore, a breaker tension spring mounting device is required to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit breaker extension spring installation device can carry out automatic assembly to the circuit breaker extension spring, has improved the uniformity and the assembly efficiency of extension spring assembly.

To achieve the purpose, the utility model adopts the following technical proposal:

circuit breaker extension spring installation device for the extension spring to the moving contact of circuit breaker installs, includes:

a moving contact positioning mechanism configured to position a contact assembly and an armature of the moving contact, respectively;

the feeding mechanism comprises a vibration disc assembly, and the vibration disc assembly can carry and convey the tension spring;

the tension spring transfer mechanism is used for receiving the tension springs conveyed by the feeding mechanism, can adjust the placing postures of the tension springs and can convey the tension springs;

and the tension spring mounting mechanism is used for receiving the tension spring conveyed by the tension spring transfer mechanism, and can stretch the tension spring and hang the stretched tension spring on the contact assembly and the armature.

As an alternative, the moving contact is limited on the moving contact carrier, and the moving contact positioning mechanism comprises:

the armature positioning component is used for positioning the armature and comprises a positioning fork and a positioning fork driving piece, the positioning fork is connected to the driving end of the positioning fork driving piece, and the positioning fork driving piece can drive the positioning fork to move so as to clamp the armature;

contact locating component, it is right to be used for the contact subassembly advances line location, contact locating component is including location clamping jaw and location driving piece, the location clamping jaw connect in the drive end of location driving piece, the stiff end of location driving piece connect in the drive end of location fork driving piece, location fork driving piece can drive the location clamping jaw is close to or keeps away from the contact subassembly, the location driving piece can drive location clamping jaw centre gripping is in the contact subassembly.

As an alternative, the positioning fork is provided with a plurality of, every the positioning fork corresponds one location armature, armature locating component still includes the locating piece, the locating piece set up in the stiff end of location driving piece, it is a plurality of the positioning fork interval set up in on the locating piece.

As an alternative, the location clamping jaw is provided with a plurality ofly, every the location clamping jaw corresponds location one contact subassembly, the location clamping jaw includes first clamping jaw and second clamping jaw, first clamping jaw with second clamping jaw cooperation centre gripping contact subassembly, contact location subassembly still including connect in the first connecting plate and the second connecting plate of the drive end of location driving piece, it is a plurality of first clamping jaw interval set up in on the first connecting plate, it is a plurality of second clamping jaw interval set up in on the second connecting plate, the location driving piece can drive first connecting plate with second connecting plate relative movement, so that first clamping jaw with second clamping jaw one-to-one cooperatees and presss from both sides tightly or unclamp contact subassembly.

As an alternative, the vibrating pan assembly comprises:

the vibration disc is provided with a plurality of material channels along the length direction, and the tension springs are placed in the material channels;

the straight piece that shakes, connect in the downside of vibration dish, the straight piece that shakes can drive the vibration dish vibration, so that the extension spring is followed the material is said and is removed to the exit end that the material was said.

As an alternative, the feeding mechanism further comprises a material distributing assembly, the material distributing assembly is configured to separate one of the tension springs at the outlet end of the material channel, and the tension spring transferring mechanism takes away the separated tension spring.

As an alternative, the material distributing assembly comprises:

the material distributing block is provided with a plurality of distributing grooves, the protective plate can cover an opening in the upper side of each distributing groove, each distributing groove is in butt joint with one distributing groove, the tension springs in the distributing grooves can move into the distributing grooves, the protective plate is provided with avoidance holes, and the middle parts of the tension springs are exposed out of the avoidance holes;

the material distributing driving piece is arranged on the lower side of the material distributing block, the material distributing block is connected to the driving end of the material distributing driving piece, and the material distributing driving piece can drive the material distributing block to move up and down so that the material distributing groove can be higher than the material channel;

the fixed end of the guard plate driving piece is arranged on the distributing block, the driving end of the guard plate driving piece is connected with the guard plate, and the guard plate driving piece can drive the guard plate to move relative to the distributing block to avoid the distributing groove.

As an alternative, the tension spring transfer mechanism includes a plurality of suction blocks and a rotating assembly, the suction blocks can suck the tension spring conveyed by the feeding mechanism, the rotating assembly can drive the suction blocks to rotate, and the rotating assembly includes:

rotating the fixed frame;

the rotary fixing frame is arranged on the upper end of the rotary shaft in a penetrating mode, the rotary fixing frame is provided with a plurality of rotary shafts and a plurality of gears, the gears and the rotary shafts are sleeved on the upper end of the rotary shafts in a one-to-one correspondence mode, and the suction blocks are connected to the lower end of the rotary shafts;

the rack is simultaneously meshed with the gears, and the rack moves relative to the rotary fixing frame to drive the gears to rotate;

the fixed end of the rack driving piece is arranged on the rotary fixing frame, the driving end of the rack driving piece is connected with the rack, and the rack driving piece can drive the rack to move.

As an alternative, the tension spring transfer mechanism further comprises a turnover assembly, the turnover assembly can drive the rotating assembly to turn over, and the turnover assembly comprises:

turning over the fixing frame;

the overturning shaft is rotationally arranged on the overturning fixing frame, extends along the arrangement direction of the plurality of suction blocks, and is connected with the rotary fixing frame at one end;

the other end of the turnover shaft is connected to the driving end of the turnover driving piece, and the turnover driving piece can drive the turnover shaft to rotate.

As an alternative, the tension spring transfer mechanism further comprises a transfer assembly for transferring the tension spring adsorbed by the adsorption block to the tension spring mounting mechanism, and the transfer assembly comprises:

transferring the fixing frame;

the sliding plate is arranged on the transfer fixing frame in a sliding mode and can slide between the feeding mechanism and the tension spring mounting mechanism, and the overturning fixing frame and the overturning driving piece are arranged on the sliding plate;

the driving end of the sliding driving piece is connected to the sliding plate, and the sliding driving piece can drive the sliding plate to slide along the transfer fixing frame.

As an alternative, the tension spring mounting mechanism includes:

the stretching clamping jaw comprises a third clamping jaw and a fourth clamping jaw, and the third clamping jaw and the fourth clamping jaw can respectively clamp two ends of the tension spring;

the third clamping jaw and the fourth clamping jaw are connected to the driving end of the tensile driving piece, and the tensile driving piece can drive the third clamping jaw and the fourth clamping jaw to approach or move away from each other;

the fixed end of the stretching driving piece is arranged at the driving end of the linear moving module, and the linear moving module can drive the stretching clamping jaw to move linearly to be close to or far away from the moving contact positioning mechanism.

Has the advantages that:

the utility model provides a circuit breaker tension spring installation device, which respectively positions a contact assembly and an armature by arranging a moving contact positioning mechanism, and limits the random movement between the contact assembly and the armature; the tension spring mounting mechanism is used for mounting the tension spring, the tension spring transferring mechanism is used for transferring the tension spring to the contact assembly and the armature, the contact assembly is mounted on the armature, and the tension spring mounting mechanism is used for mounting the tension spring. The automatic tension spring mounting device has the advantages that manual operation is not needed in the feeding and mounting processes, automatic mounting of tension springs is achieved, the consistency of the tension spring mounting effect is improved, and meanwhile the mounting efficiency is greatly improved.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a circuit breaker according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a moving contact according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a tension spring mounting device for a circuit breaker according to an embodiment of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a moving contact carrier loaded with a moving contact according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a moving contact positioning mechanism provided in an embodiment of the present invention at a viewing angle;

fig. 6 is a schematic structural diagram of a moving contact positioning mechanism according to an embodiment of the present invention at another view angle;

fig. 7 is a schematic structural diagram of a moving contact positioning mechanism according to an embodiment of the present invention at a further viewing angle;

fig. 8 is a schematic structural diagram of a feeding mechanism provided in an embodiment of the present invention at a viewing angle;

fig. 9 is a schematic structural diagram of a feeding mechanism provided in an embodiment of the present invention at another viewing angle;

fig. 10 is a schematic perspective view of a tension spring transfer mechanism provided in an embodiment of the present invention;

fig. 11 is a schematic perspective view of a suction block provided in an embodiment of the present invention;

fig. 12 is a schematic perspective view of the tension spring mounting mechanism according to the embodiment of the present invention;

fig. 13 is an enlarged schematic view of a structure at a in fig. 12.

In the figure:

10. a circuit breaker; 100. a moving contact; 110. a contact assembly; 1101. the contact is hooked; 120. an armature; 1201. an armature hook; 130. a tension spring; 131. a round mouth ring; 200. a moving contact carrier; 210. a limiting groove; 220. a positioning column;

1. a moving contact positioning mechanism; 11. an armature positioning assembly; 111. a positioning fork; 112. positioning a fork drive member; 113. positioning blocks; 12. a contact positioning assembly; 121. positioning the clamping jaw; 1211. a first jaw; 1212. a second jaw; 122. positioning a driving piece; 123. a first connecting plate; 124. a second connecting plate;

2. a feeding mechanism; 21. a vibratory pan assembly; 211. a vibrating pan; 2111. a material channel; 212. a direct vibration member; 213. fixing the bottom plate; 214. a cover plate; 22. a material distributing component; 221. a material distributing block; 2211. a material distributing groove; 222. a guard plate; 2221. avoiding holes; 223. a material-distributing driving member; 224. a guard plate drive member;

3. a tension spring transfer mechanism; 31. sucking blocks; 311. a semicircular corner opening; 32. a rotating assembly; 321. rotating the fixed frame; 322. a rotating shaft; 323. a gear; 324. a rack; 325. a rack drive; 326. connecting blocks; 33. a turnover assembly; 331. turning over the fixing frame; 332. a turning shaft; 333. turning over the driving piece; 334. a limiting plate; 335. a limiting column; 34. a transfer assembly; 341. transferring the fixing frame; 3411. a linear guide rail; 3412. installing a bottom frame; 3413. installing a top plate; 3414. a sliding support plate; 3415. an adjusting block; 342. a sliding plate; 343. a sliding drive member; 344. a drive support plate; 345. a buffer;

4. a tension spring mounting mechanism; 41. stretching the clamping jaw; 411. a third jaw; 4111. a narrow-mouth groove; 412. a fourth jaw; 42. stretching the driving member; 43. a linear moving module; 44. a first support plate; 45. a first mounting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, a circuit breaker 10 is provided, in which circuit breaker 10 three sets of movable contacts 100 are provided. As shown in fig. 2, the movable contact 100 includes a contact assembly 110, an armature 120, and a tension spring 130. The contact assembly 110 comprises a contact hook 1101, the armature 120 comprises an armature hook 1201, two ends of the tension spring 130 are respectively provided with a round ring 131, and the two round rings 131 are respectively hung on the armature hook 1201 and the contact hook 1101. When the armature 120 is in an active state before the tension spring 130 is not installed, and the contact assembly 110 is laid flat, the armature hook 1201 and the contact hook 1101 are not in the same vertical line. Before installation, the tension spring 130 is in a contracted state, and after installation, the tension spring 130 is in a stretched and tightened state, and when the tension spring 130 is installed, the tension spring 130 needs to be stretched to a certain length so that the circular ring 131 at the two ends of the tension spring 130 can be hung on the armature hook 1201 and the contact hook 1101.

For this, as shown in fig. 3, the present embodiment provides a tension spring mounting device for a circuit breaker, which is used for mounting a tension spring 130 of a movable contact 100 of a circuit breaker 10. The breaker tension spring mounting device comprises a moving contact positioning mechanism 1, a feeding mechanism 2, a tension spring transfer mechanism 3 and a tension spring mounting mechanism 4, wherein the moving contact positioning mechanism 1 is used for respectively positioning a contact assembly 110 and an armature 120 of a moving contact 100. The feed mechanism 2 includes a vibratory pan assembly 21, and the vibratory pan assembly 21 is capable of carrying and transporting the tension spring 130. The tension spring transfer mechanism 3 is used for receiving the tension spring 130 conveyed by the feeding mechanism 2, and the tension spring transfer mechanism 3 can adjust the placing posture of the tension spring 130 and convey the tension spring 130. The tension spring mounting mechanism 4 is configured to receive the tension spring 130 conveyed by the tension spring transfer mechanism 3, and the tension spring mounting mechanism 4 is capable of stretching the tension spring 130 and hanging the stretched tension spring 130 on the contact assembly 110 and the armature 120.

The movable contact positioning mechanism 1 is arranged to respectively position the contact assembly 110 and the armature 120, so as to limit the random movement between the contact assembly 110 and the armature 120; the feeding mechanism 2 feeds the tension spring 130, then the tension spring transfer mechanism 3 acquires the tension spring 130 from the feeding mechanism 2, adjusts the placing posture of the tension spring 130 to a position suitable for the acquisition of the tension spring mounting mechanism 4, the tension spring transfer mechanism 3 conveys the tension spring 130 with the adjusted posture to the tension spring mounting mechanism 4, and the tension spring mounting mechanism 4 stretches the tension spring 130 and then hangs the tension spring 130 on the contact assembly 110 and the armature 120, so that the tension spring 130 is mounted. The process of feeding and installation does not need manual operation, realizes the automatic installation of the tension spring 130, is favorable for improving the consistency of the assembly effect of the tension spring 130, and greatly improves the assembly efficiency.

As shown in fig. 4, in order to support the movable contact 100, the movable contact 100 is limited on the movable contact carrier 200 for transportation, a limiting groove 210 and a positioning column 220 are disposed on the movable contact carrier 200, and the contact assembly 110 and the armature 120 are limited in the limiting groove 210 and limited by the positioning column 220, so that the contact assembly 110 and the armature 120 are more stable on the movable contact carrier 200. Specifically, the movable contact carrier 200 can be conveyed by an annular conveying line body, so that the movable contact carrier 200 can be circularly conveyed to be loaded and unloaded. The annular conveying line body is a common conveying means in the prior art, and detailed description on specific structure and working principle of the annular conveying line body is omitted in the embodiment.

The structure and the operation principle of the movable contact positioning mechanism 1, the feeding mechanism 2, the tension spring transfer mechanism 3 and the tension spring mounting mechanism 4 will be described in detail below with reference to fig. 5 to 13.

As shown in fig. 5-7, it is a schematic structural diagram of the movable contact positioning mechanism 1.

As shown in fig. 5, the movable contact positioning mechanism 1 includes an armature positioning component 11 and a contact positioning component 12, the armature positioning component 11 is configured to position the armature 120, the armature positioning component 11 includes a positioning fork 111 and a positioning fork driving component 112, the positioning fork 111 is connected to a driving end of the positioning fork driving component 112, the positioning fork driving component 112 can drive the positioning fork 111 to move so as to block the armature 120, so that the armature hook 1201 and the contact hook 1101 are substantially located on the same vertical line, meanwhile, the armature 120 is prevented from swinging back and forth, and the tension spring 130 is conveniently installed on the armature hook 1201 and the contact hook 1101 by the tension spring installation mechanism 4. Specifically, the positioning fork driving member 112 may be a cylinder or an electric cylinder, and the driving end of the cylinder or the electric cylinder is capable of driving the positioning fork 111 to reciprocate so as to be close to the armature 120 for positioning or to be far from the armature 120 for moving the movable contact carrier 200 to the next process.

The contact positioning assembly 12 is used for positioning the contact assembly 110, the contact positioning assembly 12 includes a positioning clamping jaw 121 and a positioning driving member 122, the positioning clamping jaw 121 is connected to a driving end of the positioning driving member 122, a fixed end of the positioning driving member 122 is connected to a driving end of the positioning fork driving member 112, the positioning fork driving member 112 can drive the positioning clamping jaw 121 to approach or separate from the contact assembly 110, and the positioning driving member 122 can drive the positioning clamping jaw 121 to clamp the contact assembly 110. When the movable contact carrier 200 is in position, the positioning fork driving member 112 drives the positioning driving member 122 to move rightwards, so as to drive the positioning fork 111 and the positioning clamping jaw 121 to move rightwards, the positioning fork 111 abuts against the armature 120, the positioning clamping jaw 121 is located on two sides of the contact assembly 110, and then the positioning driving member 122 drives the positioning clamping jaw 121 to move to clamp the contact assembly 110, so that the contact assembly 110 is fixed. In this embodiment, the positioning driving member 122 may be a clamping jaw cylinder.

As shown in fig. 6, in order to fix a plurality of armatures 120 on the movable contact carrier 200 at the same time, the positioning fork 111 is provided in a plurality of numbers, each positioning fork 111 correspondingly positions one armature 120, the armature positioning assembly 11 further includes a positioning block 113, the positioning block 113 is disposed at the fixed end of the positioning driving member 122, and the positioning forks 111 are disposed on the positioning block 113 at intervals, so that when the positioning driving member 122 drives the positioning block 113 to move, the positioning forks 111 can be driven to move synchronously. In this embodiment, the movable contact carrier 200 can carry three movable contacts 100, and correspondingly, three positioning forks 111 are provided, but the number of the positioning forks 111 is not limited thereto, and in actual work, the corresponding number of the positioning forks 111 may be provided according to the number of the movable contacts 100 carried by the movable contact carrier 200.

With reference to fig. 6 and fig. 7, in order to simultaneously fix a plurality of contact assemblies 110 on the movable contact carrier 200, a plurality of positioning clamping jaws 121 are provided, each positioning clamping jaw 121 correspondingly positions one contact assembly 110, each positioning clamping jaw 121 includes a first clamping jaw 1211 and a second clamping jaw 1212, the first clamping jaw 1211 and the second clamping jaw 1212 are matched to clamp the contact assembly 110, the contact positioning assembly 12 further includes a first connecting plate 123 and a second connecting plate 124 connected to the driving end of the positioning driving member 122, the plurality of first clamping jaws 1211 are arranged on the first connecting plate 123 at intervals, the plurality of second clamping jaws 1212 are arranged on the second connecting plate 124 at intervals, and the positioning driving member 122 can drive the first connecting plate 123 and the second connecting plate 124 to relatively move, so that the first clamping jaws 1211 and the second clamping jaws 1212 are matched to clamp or release the contact assemblies 110 one by one. Through the arrangement of the first connecting plate 123 and the second connecting plate 124, one positioning driving member 122 can drive a plurality of groups of positioning clamping jaws 121 to synchronously act.

As shown in fig. 8 and 9, the structure of the feeding mechanism 2 is schematically illustrated.

As shown in fig. 8, the vibration tray assembly 21 includes a fixed base plate 213, a vibration tray 211, and a straight vibration member 212, the straight vibration member 212 is disposed on the fixed base plate 213, the straight vibration member 212 is connected to the lower side of the vibration tray 211, a plurality of material channels 2111 are disposed on the vibration tray 211 along the length direction of the vibration tray 211, the tension springs 130 are disposed in the material channels 2111, and the straight vibration member 212 can drive the vibration tray 211 to vibrate, so that the tension springs 130 move along the material channels 2111 to the outlet end of the material channels 2111.

Specifically, as shown in fig. 9, the material passage 2111 is a stepped groove provided in the vibration plate 211, and the tension spring 130 is horizontally placed in the stepped groove and can roll forward by the vibration of the vibration plate 211. The vibration plate assembly 21 further comprises a plurality of cover plates 214, two cover plates 214 are arranged on the upper side of each material channel 2111, the two cover plates 214 are covered on two sides of the stepped groove, a gap is formed between the two cover plates 214 to form a hollow part, and the tension spring 130 in the stepped groove can be adjusted or taken out from the hollow part to conveniently process unexpected situations such as clamping of the tension spring 130.

Further, as shown in fig. 8, the loading mechanism 2 further includes a separating assembly 22, and the separating assembly 22 is used for separating one tension spring 130 at the outlet end of the material passage 2111, so that the tension spring transferring mechanism 3 can take away the separated tension spring 130.

Specifically, with continued reference to fig. 8 and 9, the distributing assembly 22 includes a distributing block 221, a protecting plate 222, a distributing driving member 223, and a protecting plate driving member 224, wherein a plurality of distributing grooves 2211 are disposed on the distributing block 221, the protecting plate 222 can cover an upper opening of the distributing grooves 2211, each distributing groove 2211 is abutted to one distributing channel 2111, the tension spring 130 in the distributing channel 2111 can move into the distributing groove 2211, a avoiding hole 2221 is disposed on the protecting plate 222, and a middle portion of the tension spring 130 is exposed from the avoiding hole 2221, so that the tension spring transferring mechanism 3 can contact the tension spring 130 from the avoiding hole 2221. The material distributing driving piece 223 is arranged at the lower side of the material distributing block 221, the material distributing block 221 is connected to the driving end of the material distributing driving piece 223, and the material distributing driving piece 223 can drive the material distributing block 221 to move up and down, so that the material distributing groove 2211 can be higher than the material outlet channel 2111, and the tension spring 130 in the material channel 2111 is prevented from entering the material distributing groove 2211. The fixed end of the guard plate driving member 224 is disposed on the distributing block 221, the driving end of the guard plate driving member 224 is connected to the guard plate 222, and the guard plate driving member 224 can drive the guard plate 222 to move relative to the distributing block 221 to avoid the distributing groove 2211. Preferably, two guard plate driving members 224 are provided, two guard plate driving members 224 are respectively provided at two ends of the distributing block 221, and the two guard plate driving members 224 jointly drive the guard plates 222 to move, so that the movement of the guard plates 222 is more stable.

In operation, once the tension spring 130 at the front end of the material channel 2111 enters the material distributing groove 2211, the material distributing driving member 223 immediately drives the material distributing block 221 to move upwards, the tension spring transfer mechanism 3 moves to the material distributing groove 2211 and contacts the tension spring 130 through the avoiding hole 2221, the guard plate driving member 224 drives the guard plate 222 to move leftwards to avoid the material distributing groove 2211, and the tension spring transfer mechanism 3 takes the tension spring 130 in the material distributing groove 2211 away. Then, the distributing driving member 223 drives the distributing block 221 to move down to make the distributing groove 2211 flush with the material channel 2111, the guard plate driving member 224 drives the guard plate 222 to move right to cover the distributing groove 2211, and the next receiving of the tension spring 130 is continued.

As shown in fig. 10 and 11, the tension spring transfer mechanism 3 is schematically configured.

As shown in fig. 10 and 11, the tension spring transfer mechanism 3 includes a plurality of suction blocks 31, and the suction blocks 31 can suck the tension spring 130 conveyed by the loading mechanism 2. The lower end of the suction block 31 is provided with a semicircular opening 311, and the inner diameter of the semicircular opening 311 is not smaller than the outer diameter of the tension spring 130, so that the suction block 31 can be clamped outside the tension spring 130. A magnet is embedded in the semicircular opening 311 of the suction block 31, so that the tension spring 130 can be attracted into the semicircular opening 311 by the suction block 31.

Further, as shown in fig. 10, the tension spring transfer mechanism 3 further includes a rotating unit 32, and the rotating unit 32 can drive the suction block 31 to rotate so as to adjust the placement posture of the tension spring 130 sucked on the suction block 31.

Specifically, as shown in fig. 10, the rotating assembly 32 includes a rotating fixing frame 321, a plurality of rotating shafts 322, a plurality of gears 323, racks 324, and rack driving members 325, the rotating fixing frame 321 is L-shaped, the rotating shafts 322 penetrate through the rotating fixing frame 321, the gears 323 and the rotating shafts 322 are sleeved on the upper ends of the rotating shafts 322 in a one-to-one correspondence manner, and the suction blocks 31 are connected to the lower ends of the rotating shafts 322. The rack 324 is engaged with a plurality of gears 323 at the same time, and the rack 324 moves relative to the rotary holder 321 to rotate the gears 323. The fixed end of the rack driving member 325 is disposed on the rotary fixing frame 321, the driving end of the rack driving member 325 is connected to the rack 324 through the connecting block 326, and the rack driving member 325 can drive the rack 324 to move. The rack drive 325 may specifically employ an air cylinder or an electric cylinder.

The rack driving member 325 drives the rack 324 to move linearly through the connecting block 326, so that the gear 323 rotates to drive the rotating shaft 322 to rotate, and thus 0-90 degrees of rotation of the three suction blocks 31 can be realized. In general, the tension spring 130 is placed in the material distributing groove 2211 in the front-back direction, the tension spring 130 is still in a front-back extending posture when the tension spring 130 is sucked by the suction block 31, and the tension spring 130 is in a left-right extending posture after the suction block 31 is rotated by 90 degrees by the rotation shaft 322.

Because each suction block 31 is provided with one rotating shaft 322, the angle of each suction block 31 can be adjusted independently, thereby ensuring that the adjusted angles of the three suction blocks 31 are consistent.

Further, with reference to fig. 10, the tension spring transfer mechanism 3 further includes a turning component 33, the turning component 33 can drive the rotating component 32 to turn over, so that the suction block 31 turns over to the right side of the rotating fixing frame 321, and the tension spring 130 is then in a vertically disposed posture.

Specifically, as shown in fig. 10, the flipping module 33 includes a flipping holder 331, a flipping shaft 332 and a flipping driving member 333, the flipping shaft 332 is rotatably disposed on the flipping holder 331, the flipping shaft 332 extends along the arrangement direction of the plurality of suction blocks 31, that is, extends along the front-back direction, one end of the flipping shaft 332 is connected to the rotating holder 321, the other end of the flipping shaft 332 is connected to the driving end of the flipping driving member 333, and the flipping driving member 333 is capable of driving the flipping shaft 332 to rotate, so as to drive the rotating module 32 and the suction blocks 31 to flip integrally, further adjust the position and posture of the tension spring 130, and the flipping driving member 333 is preferably a rotary cylinder. As described above, after the rotating shaft 322 drives the suction block 31 to rotate by 90 degrees, the tension spring 130 is changed into a posture extending left and right, and then is driven by the turning shaft 332 to turn upwards by 90 degrees, so that the tension spring 130 is in a posture extending vertically, and the tension spring 130 can be conveniently acquired by the subsequent tension spring mounting mechanism 4.

Preferably, as shown in fig. 10, the turnover assembly 33 further includes two limiting plates 334 and two limiting posts 335, the two limiting posts 335 are respectively disposed on two sides of the turnover shaft 332, the two limiting plates 334 are disposed on the turnover shaft 332, and an included angle of 90 degrees is formed between the two limiting plates 334. The turning shaft 332 rotates rightwards, the right limiting plate 334 abuts against the right limiting column 335, at this time, the rotating shaft 322 is in a vertical state, and the suction block 31 connected with the lower end of the rotating shaft 322 is convenient to suck the tension spring 130 from the material distributing groove 2211; the turning shaft 332 rotates leftwards, the left limiting plate 334 abuts against the left limiting column 335, at this time, the rotating shaft 322 rotates to be in a horizontal state, the tension spring 130 is in a vertical placing state, and the tension spring 130 is conveniently acquired by the subsequent tension spring mounting mechanism 4.

Further, as shown in fig. 10, the tension spring transfer mechanism 3 further includes a transfer member 34, and the transfer member 34 is configured to convey the tension spring 130 sucked by the suction block 31 to the tension spring mounting mechanism 4.

Specifically, as shown in fig. 10, the transfer assembly 34 includes a transfer fixing frame 341, a sliding plate 342, and a sliding driving member 343, the sliding plate 342 is slidably disposed on the transfer fixing frame 341, the sliding plate 342 is capable of sliding between the loading mechanism 2 and the tension spring mounting mechanism 4, the spacing post 335, the overturning fixing frame 331, and the overturning driving member 333 are disposed on the sliding plate 342, a fixed end of the sliding driving member 343 is fixedly disposed on the driving support plate 344, a driving end of the sliding driving member 343 is connected to the sliding plate 342, and the sliding driving member 343 is capable of driving the sliding plate 342 to slide along the transfer fixing frame 341. Alternatively, the transfer holder 341 is provided at an upper side thereof with a linear guide 3411, and the sliding plate 342 slides along the linear guide 3411. The sliding driving member 343 may be a pneumatic cylinder or an electric cylinder, and may drive the sliding plate 342 to slide smoothly.

In order to adjust the forward and backward movement position of the sliding plate 342, as shown in fig. 10, the transferring assembly 34 further includes two buffers 345, the two buffers 345 are respectively disposed at the front and rear ends of the sliding plate 342, and when the sliding plate 342 slides, the sliding plate 342 stops moving when the buffers 345 abut against the transferring fixing frame 341, so as to adjust the sliding distance of the sliding plate 342.

In order to make the height of the tension spring 130 suitable for obtaining the subsequent tension spring mounting mechanism 4, the height position of the suction block 31 needs to be adjusted, and therefore, the structure of the transfer fixing frame 341 is modified in the present embodiment to adapt to the adjustment of the overall height of the device. Specifically, as shown in fig. 10, the transfer fixing frame 341 includes a mounting chassis 3412, a mounting top plate 3413, two sliding support plates 3414 and two adjusting blocks 3415, the mounting chassis 3412 is provided in a U shape, the two adjusting blocks 3415 are respectively disposed at two sides of the mounting chassis 3412, the two sliding support plates 3414 are disposed at two sides of the mounting chassis 3412 and above the adjusting blocks 3415, a waist-shaped hole extending in a vertical direction is formed in the sliding support plate 3414, and a vertical height of the sliding support plate 3414 relative to the mounting chassis 3412 is adjustable through the waist-shaped hole. A top mounting plate 3413 is provided on the upper side of the two sliding support plates 3414, and the linear guide 3411 is provided on the upper side of the top mounting plate 3413.

The adjusting block 3415 is provided with a threaded hole along the vertical direction, a bolt or a screw is connected in the threaded hole in a threaded manner, the upper end of the bolt or the screw penetrates through the adjusting block 3415 and abuts against the sliding support plate 3414, the vertical height of the sliding support plate 3414 can be adjusted by adjusting the length of the bolt or the screw extending out of the adjusting block 3415, and therefore the overall height of the device can be adjusted, and the purpose of adjusting the height and the position of the suction block is achieved.

As shown in fig. 12 and 13, the tension spring mounting mechanism 4 is schematically structured.

As shown in fig. 12, the tension spring mounting mechanism 4 includes a tension jaw 41, a tension driver 42, and a linear moving module 43, the tension jaw 41 includes a third jaw 411 and a fourth jaw 412, and the third jaw 411 and the fourth jaw 412 can clamp both ends of the tension spring 130, respectively. The third jaw 411 and the fourth jaw 412 are connected to the driving end of the tension driver 42, and the tension driver 42 can drive the third jaw 411 and the fourth jaw 412 to move close to or away from each other to tension the tension spring 130. The tensile driving part 42 is preferably an electric claw, and compared with a clamping jaw cylinder and other driving parts, the driving stroke of the electric claw is adjusted more accurately, which is beneficial to ensuring the flexible stretching of the tensile clamping jaw 41 to the tension spring 130.

Specifically, as shown in fig. 13, the third clamping jaw 411 and the fourth clamping jaw 412 are both provided with a narrow groove 4111, the round ring 131 of the tension spring 130 is clamped in the narrow groove 4111, and when the third clamping jaw 411 and the fourth clamping jaw 412 are away from each other to stretch the tension spring 130, the narrow groove of the narrow groove 4111 limits the round ring 131, so that the third clamping jaw 411 and the fourth clamping jaw 412 clamp the tension spring 130.

Referring to fig. 12, the fixed end of the tensile driving member 42 is disposed at the driving end of the linear moving module 43, and the linear moving module 43 can drive the tensile clamping jaw 41 to move linearly to approach or depart from the movable contact positioning mechanism 1. After the tension clamp 41 clamps the tension spring 130, the linear moving module 43 drives the tension clamp 41 to move towards the movable contact positioning mechanism 1, so that the tension spring 130 in a tension state is hung on the armature hook 1201 and the contact hook 1101. The linear moving module 43 is a linear driving device commonly used in the prior art, and the detailed structure and operation principle thereof are not described in detail herein.

Specifically, as shown in fig. 12, the tension spring mounting mechanism 4 further includes a first supporting plate 44 and a first mounting plate 45, the first supporting plate 44 is disposed at the driving end of the linear moving module 43, the first mounting plate 45 is disposed at the upper side of the first supporting plate 44, and the tension driving member 42 is disposed on the first mounting plate 45, so that the tension driving member 42 is mounted.

Alternatively, as shown in fig. 12, the tension jaw 41 and the tension driving member 42 are provided in plural sets, and the plural sets of the tension jaw 41 and the tension driving member 42 are arranged side by side on the first mounting plate 45, so as to realize the simultaneous mounting of the plural tension springs 130.

The embodiment also provides a breaker tension spring installation method, and the tension spring 130 is installed based on the breaker tension spring installation device. The installation method of the tension spring of the circuit breaker comprises the following steps:

s1: the moving contact 100 is conveyed to a moving contact positioning mechanism 1, and the moving contact positioning mechanism 1 positions a contact component 110 and an armature 120 of the moving contact 100 respectively, so that the contact component 110 and the armature 120 are in a complete positioning state;

s2: placing the tension spring 130 on the vibration disc assembly 21, and carrying out vibration conveying on the tension spring 130 by the vibration disc assembly 21;

s3: the tension spring transfer mechanism 3 receives the tension spring 130 from the vibration disc assembly 21, adjusts the placing posture of the tension spring 130 so that the placing posture of the tension spring 130 is suitable for being acquired by the tension spring mounting mechanism 4, and conveys the tension spring 130 to the tension spring mounting mechanism 4 by the tension spring transfer mechanism 3;

s4: the tension spring mounting mechanism 4 receives the tension spring 130 conveyed by the tension spring transfer mechanism 3, stretches the tension spring 130, and hangs the stretched tension spring 130 on the contact assembly 110 and the armature 120 at the movable contact positioning mechanism 1.

Specifically, in step S1, the movable contact 100 is loaded on the movable contact carrier 200, the movable contact carrier 200 is moved to the movable contact positioning mechanism 1 by an annular conveyor line body, the positioning fork driving element 112 extends out to move, the positioning fork 111 clamps and limits the three armatures 120, and the positioning driving element 122 performs a clamping operation to clamp the contact assembly 110, so that the armatures 120 and the contact assembly 110 are in a completely positioned state.

In step S2, the tension spring 130 reaches the distributing groove 2211 through the three material channels 2111 under the vibration of the direct vibration, the distributing driving member 223 extends upwards to eject the distributing block 221 for distributing, and the guard plate driving member 224 is in the retracted state.

In step S3, the tension spring 130 in the material distribution groove 2211 contacts with the semicircular corner 311 of the suction block 31, the two guard plate driving members 224 push out the guard plate 222, the material distribution driving member 223 drives the accessories mounted thereon to reset, and at this time, the tension spring 130 is already sucked by the suction block 31;

the rack driving member 325 drives the rack 324 to move, so that the three gears 323 drive the suction block 31 to rotate, and the tension spring 130 rotates by 90 degrees;

the guard plate driving piece 224 is reset, so that the guard plate 222 restores shielding of the split charging slot 2211, and the tension spring 130 waits after going forward to the right position through direct vibration;

the turnover driving member 333 drives the turnover shaft 332 to rotate by 90 degrees to drive the accessories arranged on the turnover shaft 332 to rotate, so that the tension spring 130 is in a vertical posture;

the slide driving member 343 is extended to drive the slide plate 342 to slide forward, so that all the accessories mounted on the slide plate 342 are moved therewith, and the tension spring 130 reaches the left side of the tension jaw 41 of the tension spring mounting mechanism 4.

In step S4, the linear moving module 43 drives the accessory mounted thereon to move leftward, the tension jaw 41 moves forward to the position where the tension spring 130 is taken, and the tension driver 42 acts to open the circles clamping the two ends of the tension spring 130 by the third jaw 411 and the fourth jaw 412, so that the tension spring 130 is in a tension state and cannot fall off;

the linear moving module 43 drives the accessories mounted thereon to move rightwards and retreat to a set point position;

the slide driving member 343 retreats to the origin to move all the accessories mounted on the slide plate 342 backward to the origin;

the linear moving module 43 drives the accessories mounted on the linear moving module to move leftwards to the mounting position of the tension spring 130, the tension driving piece 42 respectively mounts the three tension springs 130 on the three armature hooks 1201 and the contact hook 1101 through flexible action, the linear moving module 43 retracts to the original point, and the tension spring 130 is mounted completely;

when the tension spring 130 is installed in the tension spring installation mechanism 4, the overturning driving member 333 drives the accessories installed on the overturning shaft 332 to rotate to the original position, then the rack driving member 325 drives the rack 324 to rotate the suction block 31 to the original position, and meanwhile, the positioning driving member 122 releases the positioning clamping jaw 121, and the positioning fork driving member 112 returns to the original position;

after the tension spring 130 is installed, the movable contact carrier 200 is moved out, and the tension spring 130 of one circuit breaker 10 is installed.

The above steps are repeated, and the installation of the tension spring 130 of the next circuit breaker 10 is continued.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (11)

1. Circuit breaker extension spring installation device for install extension spring (130) of moving contact (100) of circuit breaker (10), its characterized in that includes:

a moving contact positioning mechanism (1) configured to position a contact assembly (110) and an armature (120) of the moving contact (100), respectively;

the feeding mechanism (2) comprises a vibration disc assembly (21), and the vibration disc assembly (21) can bear and convey the tension spring (130);

the tension spring transfer mechanism (3) is used for receiving the tension spring (130) conveyed by the feeding mechanism (2), and the tension spring transfer mechanism (3) can adjust the placing posture of the tension spring (130) and convey the tension spring (130);

extension spring installation mechanism (4) for receive extension spring transfer mechanism (3) are carried extension spring (130), extension spring installation mechanism (4) can be right extension spring (130) are stretched, and will stretch back extension spring (130) hang in contact subassembly (110) with on armature (120).

2. The tension spring mounting device for circuit breakers according to claim 1, wherein the movable contact (100) is limited on a movable contact carrier (200), and the movable contact positioning mechanism (1) comprises:

the armature positioning assembly (11) is used for positioning the armature (120), the armature positioning assembly (11) comprises a positioning fork (111) and a positioning fork driving piece (112), the positioning fork (111) is connected to the driving end of the positioning fork driving piece (112), and the positioning fork driving piece (112) can drive the positioning fork (111) to move so as to clamp the armature (120);

contact location subassembly (12), it is right to be used for contact subassembly (110) advances line location, contact location subassembly (12) are including location clamping jaw (121) and location driving piece (122), location clamping jaw (121) connect in the drive end of location driving piece (122), the stiff end of location driving piece (122) connect in the drive end of location fork driving piece (112), location fork driving piece (112) can drive location clamping jaw (121) are close to or keep away from contact subassembly (110), location driving piece (122) can drive location clamping jaw (121) centre gripping is in contact subassembly (110).

3. The tension spring mounting device for the circuit breaker according to claim 2, wherein the positioning fork (111) is provided in a plurality, each positioning fork (111) correspondingly positions one armature (120), the armature positioning assembly (11) further comprises a positioning block (113), the positioning block (113) is arranged at a fixed end of the positioning driving member (122), and the positioning forks (111) are arranged on the positioning block (113) at intervals.

4. The circuit breaker tension spring mounting device according to claim 3, wherein the positioning clamping jaw (121) is provided in a plurality, each positioning clamping jaw (121) is correspondingly provided with one contact assembly (110), the positioning clamping jaw (121) comprises a first clamping jaw (1211) and a second clamping jaw (1212), the first clamping jaw (1211) and the second clamping jaw (1212) are matched to clamp the contact assembly (110), the contact positioning assembly (12) further comprises a first connecting plate (123) and a second connecting plate (124) which are connected to the driving end of the positioning driving member (122), the first clamping jaws (1211) are arranged on the first connecting plate (123) at intervals, the second clamping jaws (1212) are arranged on the second connecting plate (124) at intervals, and the positioning driving member (122) can drive the first connecting plate (123) and the second connecting plate (124) to move relatively, so that the first clamping jaw (1211) and the second clamping jaw (1212) cooperate to clamp or release the contact assembly (110) one by one.

5. The circuit breaker tension spring mounting apparatus of claim 1, wherein the vibratory pan assembly (21) comprises:

the vibration disc (211) is provided with a plurality of material channels (2111) along the length direction of the vibration disc (211), and the tension spring (130) is placed in the material channels (2111);

directly shake piece (212), connect in the downside of vibration dish (211), directly shake piece (212) and can drive vibration dish (211) vibration, so that extension spring (130) are followed material way (2111) moves to the exit end of material way (2111).

6. The circuit breaker tension spring mounting device according to claim 5, wherein the loading mechanism (2) further comprises a distributing assembly (22), the distributing assembly (22) is configured to separate one of the tension springs (130) at the outlet end of the material channel (2111), and the tension spring transferring mechanism (3) takes the separated tension spring (130) away.

7. The circuit breaker tension spring mounting arrangement of claim 6, wherein the feed assembly (22) includes:

the material distributing device comprises a material distributing block (221) and a protection plate (222), wherein a plurality of material distributing grooves (2211) are formed in the material distributing block (221), the protection plate (222) can be covered on an upper opening of the material distributing grooves (2211), each material distributing groove (2211) is butted with one material channel (2111), the tension springs (130) in the material channels (2111) can move into the material distributing grooves (2211), avoiding holes (2221) are formed in the protection plate (222), and the middle parts of the tension springs (130) are exposed out of the avoiding holes (2221);

the material distributing driving piece (223) is arranged on the lower side of the material distributing block (221), the material distributing block (221) is connected to the driving end of the material distributing driving piece (223), and the material distributing driving piece (223) can drive the material distributing block (221) to move up and down so that the material distributing groove (2211) can be higher than the material channel (2111);

the fixed end of the guard plate driving piece (224) is arranged on the distributing block (221), the driving end of the guard plate driving piece (224) is connected with the guard plate (222), and the guard plate driving piece (224) can drive the guard plate (222) to move relative to the distributing block (221) to avoid the distributing groove (2211).

8. The circuit breaker tension spring mounting device according to any one of claims 1 to 7, wherein the tension spring transfer mechanism (3) comprises a plurality of suction blocks (31) and a rotating assembly (32), the suction blocks (31) can suck the tension springs (130) conveyed by the feeding mechanism (2), the rotating assembly (32) can drive the suction blocks (31) to rotate, and the rotating assembly (32) comprises:

a rotary fixing frame (321);

the suction device comprises a plurality of rotating shafts (322) and a plurality of gears (323), wherein the rotating shafts (322) penetrate through the rotating fixing frame (321), the gears (323) and the rotating shafts (322) are sleeved at the upper ends of the rotating shafts (322) in a one-to-one correspondence manner, and the suction blocks (31) are connected to the lower ends of the rotating shafts (322);

the rack (324) is meshed with the gears (323) at the same time, and the rack (324) moves relative to the rotary fixing frame (321) to drive the gears (323) to rotate;

the fixing end of the rack driving piece (325) is arranged on the rotary fixing frame (321), the driving end of the rack driving piece (325) is connected with the rack (324), and the rack driving piece (325) can drive the rack (324) to move.

9. The circuit breaker tension spring mounting device according to claim 8, wherein the tension spring transfer mechanism (3) further comprises a flip assembly (33), the flip assembly (33) being capable of driving the rotating assembly (32) to flip, the flip assembly (33) comprising:

a roll-over mount (331);

the overturning shaft (332) is rotatably arranged on the overturning fixing frame (331), the overturning shaft (332) extends along the arrangement direction of the plurality of suction blocks (31), and one end of the overturning shaft (332) is connected to the rotary fixing frame (321);

the other end of the overturning shaft (332) is connected to the driving end of the overturning driving piece (333), and the overturning driving piece (333) can drive the overturning shaft (332) to rotate.

10. The circuit breaker tension spring mounting device according to claim 9, wherein the tension spring transfer mechanism (3) further includes a transfer assembly (34), the transfer assembly (34) being configured to convey the tension spring (130) attracted by the attraction block (31) to the tension spring mounting mechanism (4), the transfer assembly (34) including:

a transfer fixture (341);

a sliding plate (342) slidably disposed on the transfer fixing frame (341), the sliding plate (342) being slidable between the feeding mechanism (2) and the tension spring mounting mechanism (4), the inversion fixing frame (331) and the inversion driving member (333) being disposed on the sliding plate (342);

a sliding drive (343), a driving end of the sliding drive (343) is connected to the sliding plate (342), the sliding drive (343) can drive the sliding plate (342) to slide along the transfer fixing frame (341).

11. The circuit breaker tension spring mounting device according to any one of claims 1 to 7, wherein the tension spring mounting mechanism (4) includes:

a tension jaw (41) comprising a third jaw (411) and a fourth jaw (412), wherein the third jaw (411) and the fourth jaw (412) can respectively clamp two ends of the tension spring (130);

a tension driving part (42), wherein the third clamping jaw (411) and the fourth clamping jaw (412) are connected to the driving end of the tension driving part (42), and the tension driving part (42) can drive the third clamping jaw (411) and the fourth clamping jaw (412) to move close to or away from each other;

the fixed end of the stretching driving piece (42) is arranged at the driving end of the linear moving module (43), and the linear moving module (43) can drive the stretching clamping jaw (41) to move linearly to be close to or far away from the movable contact positioning mechanism (1).

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