Shaft penetrating device for molded case circuit breaker shell

Abstract

The invention discloses a molded case circuit breaker shell shaft penetrating device, relates to the field of circuit breakers, and solves the problem that an existing shaft penetrating device is prone to causing bending or breaking of a fixing shaft. The molded case circuit breaker shell shaft penetrating device comprises a positioning socket and a circuit breaker shell, a mounting frame is arranged on the outer side of the positioning socket, and a feeding box is mounted at the top of the mounting frame; a plurality of fixing shafts are arranged on the inner side of the feeding box, and a push rod is arranged on the outer side of the feeding box; the shaft pushing mechanism is used for positioning and pushing the fixed shaft, the shaft pushing mechanism is mounted on the inner side of the feeding box, and the shaft pushing mechanism comprises a plurality of arc-shaped strips which are distributed at the bottom of the feeding box at equal intervals; according to the invention, through the push shaft mechanism, when the push rod inserts the fixed shaft into the assembly hole of the circuit breaker shell, the plurality of arc-shaped strips sleeve the outer side of the fixed shaft to provide pressing positioning for the outer side of the fixed shaft, so that the problem that the fixed shaft is bent or broken when inserted into the assembly hole of the circuit breaker shell is solved; and therefore, the safety of penetrating the fixed shaft is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of circuit breakers, in particular to a shell penetrating shaft device of a molded case circuit breaker. BACKGROUND

[0002] The molded case circuit breaker is a common low-voltage circuit protection device, which is pressed into shape by high-strength insulating plastic, has protective and insulating properties, can effectively isolate the internal live parts, and is mainly used in power distribution systems and motor protection. It can automatically cut off the circuit when overload, short circuit and other faults occur, and protect the safety of electrical equipment and lines.

[0003] When the shell and the cover of the molded case circuit breaker are assembled, the fixing shaft needs to be inserted into the assembly hole of the shell and the cover to combine and assemble the cover and the shell, which can effectively prevent the shell from breaking when a large current is segmented. During assembly, the penetrating shaft device is needed to assemble the fixing shaft. The existing penetrating shaft device uses a driving member to push the ejector pin, and the moving ejector pin pushes the fixing shaft into the assembly hole of the shell and the cover. Although it can quickly install the fixing shaft, when the ejector pin pushes the fixing shaft to contact the assembly hole of the shell, the pressure of the ejector pin on one end of the fixing shaft is large, and when the fixing shaft enters the assembly hole, the end of the fixing shaft close to the assembly hole will also be subjected to resistance due to interference assembly. It is easy to cause the middle position of the fixing shaft to bend or bend, resulting in installation failure. SUMMARY

[0004] The purpose of the present application is to provide a shell penetrating shaft device of a molded case circuit breaker to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] A kind of moulded case circuit breaker shell penetrates shaft device, including: positioning socket and the circuit breaker shell being arranged in the inside of positioning socket, the outside of positioning socket is provided with mounting bracket, the top of mounting bracket is fixedly installed with feed box, the inside of feed box is provided with multiple vertical distribution fixed shaft, the outside of feed box is provided with push rod;Further including: push shaft mechanism, for the fixed shaft positioning push, push shaft mechanism is installed in the inside of feed box, push shaft mechanism includes multiple arc strips, which are equidistantly distributed and arranged at the bottom of feed box, and the outside of fixed shaft can be pressed and positioned by multiple points;Fixed shaft mechanism, for the automatic positioning of the lowermost fixed shaft, fixed shaft mechanism is installed in the inside of feed box, and fixed shaft mechanism includes push cylinder arranged below feed box, and push cylinder can make multiple arc strips synchronously separate two adjacent fixed shafts;Knocking mechanism, for the intermittent knocking of one end of fixed shaft, the inside of push rod is installed with knock rod, and knock rod can intermittently knock and push fixed shaft.

[0007] Preferably, the push shaft mechanism further includes a positioning cylinder fixedly installed inside the feed box, the push rod is slidably installed inside the positioning cylinder, the top of the mounting bracket is fixedly installed with a first support plate and a second support plate respectively located on both sides of the feed box, the outside of the first support plate is fixedly installed with a drive motor, a screw rod is rotatably installed between the first support plate and the second support plate, one end of the drive motor is fixedly connected with one end of the screw rod, a moving block cooperating with the screw rod is arranged between the first support plate and the second support plate, an optical axis for limiting sliding of the moving block is fixedly installed between the first support plate and the second support plate, a sliding block is fixedly installed between the top end of the moving block and the push rod, a moving groove for limiting sliding of the sliding block is formed on the outside of the positioning cylinder and the feed box, a mounting rod is fixedly installed between the arc-shaped strips, an arc-shaped groove for limiting sliding of the arc-shaped strips is formed on the inside of the feed box, and two rotating rings are fixedly installed on both ends of the mounting rod.

[0008] Preferably, the fixed shaft mechanism further includes a driven rod rotatably installed between the first support plate and the second support plate, gears are fixedly installed on both ends of the driven rod, arc-shaped racks cooperating with the gears are fixedly installed on the outside of the rotating rings, a mounting column is fixedly installed on the outside of the driven rod, the push cylinder is fixedly installed on the bottom of the moving block, the mounting column is located inside the push cylinder, two center-symmetrically distributed spiral strips are fixedly installed on the inside of the push cylinder, and a spiral groove cooperating with the spiral strips is formed on the outside of the mounting column.

[0009] Preferably, the knocking mechanism further comprises a slide rod fixedly installed at one end of the knocking rod, one end of the slide rod slidingly extends to the outside of the push rod, the knocking rod is fixedly installed between the first spring and the inside of the push rod, one end of the slide rod away from the knocking rod is fixedly installed with a mounting block, the inside of the mounting block is fixedly installed with a copper pipe, the inside of the mounting block is slidingly installed with a prismatic rod extending to the inside of the copper pipe, the outside of the prismatic rod is fixedly installed with a magnet block, the magnet block is slidingly installed in the inside of the copper pipe, the second spring is fixedly installed between the outside of the magnet block and the inside of the copper pipe, the guide rail is fixedly installed between the positioning cylinder and the moving slot of the feeding box, the outside of the sliding block is provided with a through hole for limiting sliding of the guide rail, the triangular push block is fixedly installed at one end of the prismatic rod close to the guide rail, the triangular push block is slidingly installed in the inside of the guide rail, and a plurality of triangular stop blocks are fixedly installed at the inside of the guide rail in equidistant distribution.

[0010] Preferably, the bottom of the mounting frame is fixedly installed with a plug plate, the outside of the positioning socket is provided with a mounting slot for limiting sliding of the plug plate, and the inside of the mounting slot is provided with a long slot, and the plug plate is connected with the long slot through bolts.

[0011] Preferably, the top of the feeding box is fixedly installed with a feeding hopper, and the feeding hopper close to one side of the feeding box is a hollow prism structure.

[0012] Preferably, two arc-shaped ribs in symmetrical distribution are fixedly installed in the arc-shaped slot of the feeding box.

[0013] Preferably, the first supporting plate and the second supporting plate are fixedly installed with positioning rings at one side close to the rotating ring, and the outside of the rotating ring is provided with an annular slot for limiting plug-in of the positioning ring.

[0014] Preferably, the first supporting plate and the second supporting plate are fixedly installed with a U-shaped guard plate, and the moving block is slidingly installed in the inside of the U-shaped guard plate.

[0015] Preferably, the both ends of the driven rod are fixedly installed with positioning discs, the outside of the first supporting plate and the second supporting plate are fixedly installed with sleeves, the inside of the sleeves are slidingly installed with elastic abutting blocks, one end of the elastic abutting block close to the positioning disc is a hemispherical structure, the outside of the positioning disc is provided with two spherical grooves for limiting plug-in of the elastic abutting block, and the spherical groove is a one-third spherical structure.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. The application can make multiple arc-shaped strips be sleeved on the outside of the fixed shaft when the push rod is inserted into the assembly hole of the circuit breaker shell through the push shaft mechanism, and the outside of the fixed shaft is provided with pressing positioning, so that the problem of bending or breaking of the fixed shaft when it is inserted into the assembly hole of the circuit breaker shell is solved, thereby improving the safety of the fixed shaft.

[0018] 2. The application can make the push cylinder drive the mounting column to rotate through the cooperation of the spiral strip and the spiral groove outside the mounting column when the moving block pushes the push rod to move, the mounting column can drive the corresponding rotating ring to rotate through the two gears on the driven rod, the arc-shaped strip can be sleeved on the outside of the fixed shaft before the push rod contacts the fixed shaft, and when the push rod resets, the arc-shaped strip can be retracted into the arc-shaped slot of the feeding box, and the next fixed shaft can fall on the inner wall of the bottom of the feeding box, so that the effect of continuous shaft penetration is achieved, and the continuous processing of multiple circuit breaker shells is facilitated.

[0019] 3. The application can make the triangular push block contact the triangular stop block when the push rod approaches the fixed shaft, the knock rod is retracted into the push rod through the slide rod by using the reaction force of the triangular push block movement process, and the first spring is compressed, so that the knock rod can knock the fixed shaft by using the reaction force of the first spring when the triangular push block moves away from the triangular stop block, the triangular push block can be in contact with multiple triangular stop blocks in sequence during the movement of the push rod, and the knock rod can continuously knock the end of the fixed shaft, thereby improving the stability of the fixed shaft penetration. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the application;

[0021] Figure 2 It is a schematic diagram of the positioning socket and the plug structure in the application;

[0022] Figure 3 It is a schematic diagram of the positioning cylinder and the mounting frame structure in the application;

[0023] Figure 4 It is a schematic diagram of the feeding box and the mounting rod structure in the application;

[0024] Figure 5 It is a schematic diagram of the push rod and the arc-shaped strip structure in the application;

[0025] Figure 6 It is a schematic diagram of the positioning disc and the elastic stopper structure in the application;

[0026] Figure 7 It is a schematic diagram of the push cylinder and the spiral strip structure in the application;

[0027] Figure 8 It is a schematic diagram of the triangular push block and the guide rail structure in the application.

[0028] In the figure: 1, positioning socket; 2, circuit breaker housing; 3, mounting frame; 4, feeding box; 5, fixed shaft; 6, push rod; 7, arc-shaped strip; 8, push cylinder; 9, knock lever; 10, positioning cylinder; 11, first supporting plate; 12, second supporting plate; 13, driving motor; 14, screw rod; 15, moving block; 16, sliding block; 17, mounting rod; 18, rotating ring; 19, driven rod; 20, gear; 21, arc-shaped rack; 22, mounting column; 23, spiral strip; 24, sliding rod; 25, first spring; 26, mounting block; 27, copper pipe; 28, prismatic rod; 29, magnet block; 30, second spring; 31, guide rail; 32, triangular push block; 33, triangular stop block; 34, plug-in board; 35, feeding hopper; 36, arc-shaped rib; 37, positioning ring; 38, U-shaped guard plate; 39, positioning disc; 40, sleeve box; 41, elastic stop block. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0030] Embodiment one: please refer to Figures 1-8 , a kind of plastic shell circuit breaker shell through shaft device in the figure, including positioning socket 1 and the circuit breaker housing 2 of being set in the inside of positioning socket 1, the outside of positioning socket 1 is provided with mounting frame 3, the top of mounting frame 3 is fixedly installed with feeding box 4, the inside of feeding box 4 is provided with multiple vertical distribution fixed shaft 5, the outside of feeding box 4 is provided with push rod 6, so that push rod 6 pushes the fixed shaft 5 of the lowermost insertion into the assembly hole of circuit breaker housing 2;Still include: push shaft mechanism, for the fixed shaft 5 positioning push, push shaft mechanism is installed in the inside of feeding box 4.

[0031] The pushing shaft mechanism comprises a plurality of arc-shaped strips 7 arranged at the bottom of the feeding box 4 in equidistant distribution, the arc-shaped strips 7 can press and position the outer side of the fixed shaft 5 at multiple points, the pushing shaft mechanism further comprises a positioning cylinder 10 fixedly installed at the inner side of the feeding box 4, a push rod 6 is slidingly installed at the inner side of the positioning cylinder 10, the top of the mounting frame 3 is fixedly installed with a first supporting plate 11 and a second supporting plate 12 respectively located at the two sides of the feeding box 4, the outer side of the first supporting plate 11 is fixedly installed with a driving motor 13, a screw rod 14 is rotatably installed between the first supporting plate 11 and the second supporting plate 12, one end of the driving motor 13 is fixedly connected with one end of the screw rod 14, so that the driving motor 13 can drive the screw rod 14 to rotate, a moving block 15 cooperating with the screw rod 14 is arranged between the first supporting plate 11 and the second supporting plate 12, and a light shaft for limiting sliding of the moving block 15 is fixedly installed between the first supporting plate 11 and the second supporting plate 12, so that the screw rod 14 in the rotating state can drive the moving block 15 to move horizontally along the outer side of the light shaft, a sliding block 16 is fixedly installed between the top end of the moving block 15 and the push rod 6, the outer sides of the positioning cylinder 10 and the feeding box 4 are both provided with a moving groove for limiting sliding of the sliding block 16, so that the moving block 15 can push the push rod 6 to move into the feeding box 4 along the inner side of the positioning cylinder 10 through the sliding block 16, and the push rod 6 can contact one end of the fixed shaft 5, so as to push the fixed shaft 5 to insert into the assembly hole of the circuit breaker shell 2, a mounting rod 17 is fixedly installed between the plurality of arc-shaped strips 7, the inner side of the feeding box 4 is provided with an arc-shaped groove for limiting sliding of the arc-shaped strips 7, both ends of the mounting rod 17 are fixedly installed with a rotating ring 18, and the two rotating rings 18 are rotatably installed at the outer sides of the first supporting plate 11 and the second supporting plate 12, when the rotating ring 18 is rotated, the arc-shaped strips 7 can be driven to rotate and move in the arc-shaped groove of the feeding box 4 through the mounting rod 17, so that the arc-shaped strips 7 can be inserted between two adjacent fixed shafts 5 and sleeved on the outer side of the lowermost fixed shaft 5, the pressing and positioning of the fixed shaft 5 are realized, the problem that the push rod 6 is bent or broken when pushing the fixed shaft 5 to insert into the assembly hole of the circuit breaker shell 2 is solved, the bottom of the mounting frame 3 is fixedly installed with a plug-in plate 34, the outer side of the positioning socket 1 is provided with a mounting groove for limiting sliding of the plug-in plate 34, and the inner side of the mounting groove is provided with a long groove, the plug-in plate 34 is connected with the long groove through bolts, so that the plug-in plate 34 can be fixed in the long groove of the mounting groove through the bolts, the position of the mounting frame 3 can be adjusted according to the size of the circuit breaker shell 2 by the staff, the top of the feeding box 4 is fixedly installed with a feeding hopper 35, one side of the feeding hopper 35 close to the feeding box 4 is a hollow prism structure, the fixed shaft 5 can be conveniently loaded into the feeding box 4 through the feeding hopper 35, two arc-shaped rib strips 36 symmetrically distributed are fixedly installed in the arc-shaped groove of the feeding box 4, so that the arc-shaped strips 7 can rotate and move between the two arc-shaped rib strips 36, and the arc-shaped rib strips 36 provide guidance and support for the movement of the arc-shaped strips 7, the sides of the first supporting plate 11 and the second supporting plate 12 close to the rotating ring 18 are both fixedly installed with a positioning ring 37, the outer side of the rotating ring 18 is provided with an annular groove for limiting plug-in of the positioning ring 37, so that the positioning ring 37 provides support for the rotating ring 18,In order to improve the rotation stability of the rotating ring 18, the first supporting plate 11 and the second supporting plate 12 are fixedly provided with a U-shaped guard plate 38, and the moving block 15 is slidingly arranged on the inner side of the U-shaped guard plate 38, so that the moving block 15 can move along the inner side of the U-shaped guard plate 38 and can provide protection for the screw rod 14.

[0032] Embodiment two: please refer to Figures 4-7 In the embodiment, the shaft fixing mechanism comprises a pushing cylinder 8 arranged below the feeding box 4, the pushing cylinder 8 can synchronously separate two adjacent fixed shafts 5 by the arc-shaped strips 7, the shaft fixing mechanism further comprises a driven rod 19 rotatably arranged between the first supporting plate 11 and the second supporting plate 12, both ends of the driven rod 19 are fixedly provided with gears 20, the outer side of the rotating ring 18 is fixedly provided with an arc-shaped rack 21 matched with the gears 20, so that when the driven rod 19 rotates, the gears 20 can be driven to rotate synchronously, the gears 20 drive the rotating ring 18 to rotate through the arc-shaped rack 21, and the two rotating rings 18 can drive the arc-shaped strips 7 to rotate through the mounting rods 17, the outer side of the driven rod 19 is fixedly provided with a mounting column 22, the pushing cylinder 8 is fixedly arranged on the bottom of the moving block 15, and the mounting column 22 is located on the inner side of the pushing cylinder 8, so that when the moving block 15 moves, the pushing cylinder 8 can move along the outer side of the mounting column 22, the inner side of the pushing cylinder 8 is fixedly provided with two helical strips 23 which are centrally and symmetrically arranged, and the outer side of the mounting column 22 is provided with helical grooves matched with the helical strips 23, so that the pushing cylinder 8 can move along the helical grooves of the mounting column 22 through the helical strips 23, the helical strips 23 can drive the driven rod 19 to rotate, the arc-shaped strips 7 are driven to rotate, the push rod 6 can be arranged on the outer side of the fixed shaft 5 before the push rod 6 contacts with the fixed shaft 5, and after the lowermost fixed shaft 5 is inserted into the assembly hole of the circuit breaker shell 2, the push rod 6 returns to the positioning cylinder 10, the pushing cylinder 8 drives the mounting column 22 to rotate through the helical strips 23, the arc-shaped strips 7 return to the arc-shaped grooves of the feeding box 4, and the other fixed shaft 5 falls to the inner wall of the bottom of the feeding box 4, so that the multiple circuit breaker shells 2 can be continuously assembled, both ends of the driven rod 19 are fixedly provided with positioning discs 39, the outer sides of the first supporting plate 11 and the second supporting plate 12 are fixedly provided with sleeve boxes 40, the two positioning discs 39 are rotatably arranged on the inner sides of the two sleeve boxes 40, the inner sides of the sleeve boxes 40 are slidingly provided with elastic abutting blocks 41, one end of the elastic abutting block 41 close to the positioning disc 39 is in a hemispherical structure, the outer side of the positioning disc 39 is provided with two spherical grooves for limiting and inserting the elastic abutting block 41, and the spherical grooves are in a one-third spherical structure, so that when the driven rod 19 rotates, the positioning disc 39 can rotate along the inner side of the sleeve box 40, the elastic abutting block 41 is compressed by the spherical groove currently contacting with the elastic abutting block 41, and when the driven rod 19 stops rotating, the elastic abutting block 41 is inserted into the other spherical groove, the elastic abutting block 41 provides auxiliary positioning for the driven rod 19 by the elastic pressure of the positioning disc 39.

[0033] Embodiment three: please refer to Figures 3-8 , the embodiment is further illustrated for other embodiments, the knocking mechanism in the figure includes the knocking rod 9 slidingly installed in the inside of the push rod 6, the knocking rod 9 can intermittently knock the fixed shaft 5, the knocking mechanism further includes the sliding rod 24 fixedly installed at one end of the knocking rod 9, one end of the sliding rod 24 slidingly extends to the outside of the push rod 6, the first spring 25 is fixedly installed between the end of the knocking rod 9 close to the sliding rod 24 and the inside of the push rod 6, the mounting block 26 is fixedly installed at the end of the sliding rod 24 away from the knocking rod 9, when the push rod 6 moves, the sliding rod 24 can be driven by the knocking rod 9 to move synchronously, the mounting block 26 is driven by the sliding rod 24 to move synchronously, the copper pipe 27 is fixedly installed at the inside of the mounting block 26, the prismatic rod 28 extending to the inside of the copper pipe 27 is slidingly installed at the inside of the mounting block 26, the magnet block 29 is fixedly installed at the outside of the prismatic rod 28, the magnet block 29 is slidingly installed at the inside of the copper pipe 27, the second spring 30 is fixedly installed between the outside of the magnet block 29 and the inside of the copper pipe 27, the guide rail 31 is fixedly installed between the positioning cylinder 10 and the moving slot of the feeding box 4, the perforation for the guide rail 31 to limit sliding is formed at the outside of the sliding block 16, the triangular push block 32 is fixedly installed at one end of the prismatic rod 28 close to the guide rail 31, the triangular push block 32 is slidingly installed at the inside of the guide rail 31, the triangular stopper 33 is fixedly installed at the inside of the guide rail 31, the mounting block 26 can drive the prismatic rod 28 in the copper pipe 27 to move synchronously, so that the prismatic rod 28 drives the triangular push block 32 to contact the triangular stopper 33, the inclined surface of the triangular push block 32 contacts the inclined surface of the triangular stopper 33, and the reaction force of the triangular stopper 33 on the triangular push block 32 is utilized, so that the triangular push block 32 drives the prismatic rod 28 to move along the inside of the mounting block 26, the prismatic rod 28 can drive the magnet block 29 to move along the inside of the copper pipe 27, so that the magnet block 29 compresses the second spring 30, the electromagnetic damping characteristics between the magnet block 29 and the copper pipe 27 are utilized, so that the magnet block 29 slowly moves along the inside of the copper pipe 27, in this process, since the push rod 6 is in the moving state, the mounting block 26 can pull the knocking rod 9 into the inside of the push rod 6 through the sliding rod 24, and compresses the first spring 25, so that the triangular push block 32 can release the stretching of the sliding rod 24 when the triangular push block 32 completely separates from the triangular stopper 33, the resilience of the first spring 25 is utilized to drive the knocking rod 9 to move, so that the knocking rod 9 knocks the end of the fixed shaft 5, and the resilience of the second spring 30 is utilized, so that the magnet block 29 drives the prismatic rod 28, the prismatic rod 28 drives the triangular push block 32 to return to the guide rail 31, and the triangular push block 32 can contact the next triangular stopper 33, so that the knocking rod 9 can continuously knock the end of the fixed shaft 5 along with the movement of the push rod 6, so that the fixed shaft 5 can be smoothly inserted into the assembly hole of the circuit breaker shell 2.

[0034] Working principle: first, the staff will be a plurality of fixed shaft 5 into the feed box 4 in turn, and the circuit breaker shell 2 is placed in the positioning socket 1, then, the staff start drive motor 13, make drive motor 13 drive screw 14 rotation, screw 14 drive moving block 15 along the first branch plate 11 and the second branch plate 12 between the optical axis does horizontal movement, make moving block 15 through the slide block 16 drive push rod 6 synchronous movement, and moving block 15 drive push cylinder 8 along the installation column 22 outside movement, make installation column 22 inside the spiral strip 23 along the installation column 22 spiral groove inside movement, spiral strip 23 can drive installation column 22 rotation, make installation column 22 drive driven rod 19 synchronous rotation, driven rod 19 both ends gear 20 drive through the corresponding arc rack 21 drive two rotating ring 18 synchronous rotation, two rotating ring 18 through the installation rod 17 drive arc strip 7 with rotating ring 18 as the center of rotation movement, make arc strip 7 inserted between the gap of adjacent two fixed shaft 5, separate two fixed shaft 5, and cover the outside of the lowermost fixed shaft 5, then, push rod 6 and one end of the fixed shaft 5 close, at the same time, push rod 6 through the slide rod 24 drive installation block 26 synchronous movement, make installation block 26 drive copper pipe 27 inside the prism rod 28 synchronous movement, prism rod 28 drive triangular push block 32 along the inside of the guide rail 31 movement, make triangular push block 32 and triangular block 33 inclined surface contact, use the triangular block 33 on the triangular push block 32 reaction force, make triangular push block 32 push prism rod 28 along the inside of the installation block 26 movement, prism rod 28 drive magnet block 29 along the inside of the copper pipe 27 movement, use the electromagnetic damping characteristics between magnet block 29 and copper pipe 27, make magnet block 29 slowly along the inside of the copper pipe 27 movement, and compress the second spring 30, because push rod 6 is in the state of continuous movement, installation block 26 can be through the slide rod 24 pull the knock rod 9, make knock rod 9 into the inside of the push rod 6, knock rod 9 can compress the first spring 25, when the triangular push block 32 away from the inclined surface of the triangular block 33, use the resilience of the first spring 25 to push knock rod 9 movement, make knock rod 9 knock the end of the fixed shaft 5, at the same time, use the resilience of the second spring 30 drive magnet block 29 reset, magnet block 29 push prism rod 28 movement, make prism rod 28 push triangular push block 32 back to the inside of the guide rail 31, thus, triangular push block 32 can contact with the next triangular block 33, make push rod 6 in the process of movement, knock rod 9 can continuously knock the end of the fixed shaft 5, insert the fixed shaft 5 into the assembly hole of the circuit breaker shell 2, finally, drive motor 13 drive screw 14 reverse rotation, make moving block 15 and push rod 6 movement reset, push cylinder 8 again and installation column 22 close, make installation column 22 rotation reset, arc strip 7 can return to the arc groove of the feed box 4, make the next fixed shaft 5 move to the bottom of the feed box 4 inner wall, the staff can wear the next circuit breaker shell 2, so as to achieve the effect of stable wear shaft, solve the problem of uneven stress of fixed shaft 5,And facilitate the multiple circuit breaker shell 2 continuous wear shaft, improve work efficiency.

[0035] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since numerous changes, modifications, substitutions, and alterations can be made thereto without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A molded case circuit breaker housing shafting apparatus characterized by, The utility model relates to a kind of automatic feeding device of circuit breaker, including: Positioning socket (1) is positioned with circuit breaker shell (2), the outside of the positioning socket (1) is provided with mounting bracket (3), the top of the mounting bracket (3) is equipped with feeding box (4), the inside of the feeding box (4) is provided with multiple fixed shafts (5), the outside of the feeding box (4) is provided with push rod (6); Further including: Push shaft mechanism for positioning push of the fixed shaft (5), the inside of the feeding box (4) is installed, the push shaft mechanism includes multiple arc strips (7) being equidistantly distributed at the bottom of the feeding box (4), the arc strip (7) can be pressed to the outside of the fixed shaft (5) multiple point position; Shaft positioning mechanism for automatic positioning of the lowermost fixed shaft (5), the inside of the feeding box (4) is installed, the shaft positioning mechanism includes push cylinder (8) being arranged below the feeding box (4), the push cylinder (8) can make multiple arc strips (7) synchronously separate two adjacent fixed shafts (5); Knocking mechanism for intermittent knocking of one end of the fixed shaft (5), the inside of the push rod (6) is installed, the knocking mechanism includes knock lever (9) being slidably installed in the inside of the push rod (6), the knock lever (9) can intermittently knock the fixed shaft (5).

2. A device for passing a shaft through a housing of a molded case circuit breaker according to claim 1, wherein: The push shaft mechanism further includes positioning cylinder (10) being installed in the inside of the feeding box (4), the push rod (6) is slidably installed in the inside of the positioning cylinder (10), the top of the mounting bracket (3) is fixedly installed with first supporting plate (11) and second supporting plate (12) respectively located at both sides of the feeding box (4), the outside of the first supporting plate (11) is installed with drive motor (13), the first supporting plate (11) and the second supporting plate (12) are rotatably installed with screw rod (14) between them, one end of the drive motor (13) is fixedly connected with one end of the screw rod (14), the first supporting plate (11) and the second supporting plate (12) are provided with moving block (15) matched with the screw rod (14) between them, and the first supporting plate (11) and the second supporting plate (12) are installed with optical axis for limiting sliding of the moving block (15), the top of the moving block (15) and the push rod (6) are installed with sliding block (16), the outside of the positioning cylinder (10) and the feeding box (4) are both provided with moving groove for limiting sliding of the sliding block (16), multiple arc strips (7) are installed with mounting rod (17) between them, the inside of the feeding box (4) is provided with arc slot, both ends of the mounting rod (17) are installed with swivel (18), and two swivels (18) are rotatably installed on the outside of the first supporting plate (11) and the second supporting plate (12) respectively.

3. A device for passing a shaft through a housing of a molded case circuit breaker according to claim 2, wherein: The fixed shaft mechanism further comprises a driven rod (19) rotatably installed between the first supporting plate (11) and the second supporting plate (12), both ends of the driven rod (19) are fixedly installed with gears (20), the outer side of the rotating ring (18) is fixedly installed with an arc-shaped rack (21) matched with the gears (20), the outer side of the driven rod (19) is installed with a mounting column (22), the push cylinder (8) is installed at the bottom of the moving block (15), the inner side of the push cylinder (8) is fixedly installed with two center-symmetric distributed spiral strips (23), and the outer side of the mounting column (22) is provided with spiral grooves matched with the spiral strips (23).

4. The device of claim 3, wherein: The refining mechanism further comprises a sliding rod (24) installed at one end of the knocking rod (9), a first spring (25) is fixedly installed between one end of the knocking rod (9) and the inner side of the push rod (6), the other end of the sliding rod (24) is fixedly installed with a mounting block (26), the inner side of the mounting block (26) is installed with a copper pipe (27), the inner side of the mounting block (26) is slidingly installed with a prismatic rod (28), the outer side of the prismatic rod (28) is fixedly installed with a magnet block (29), the magnet block (29) is slidingly installed in the inner side of the copper pipe (27), the outer side of the magnet block (29) and the inner side of the copper pipe (27) are fixedly installed with a second spring (30), a guide rail (31) is installed between the positioning cylinder (10) and the moving groove of the feeding box (4), one end of the prismatic rod (28) is fixedly installed with a triangular push block (32), the triangular push block (32) is slidingly installed in the inner side of the guide rail (31), and the inner side of the guide rail (31) is fixedly installed with a plurality of triangular stop blocks (33).

5. The device of claim 1, wherein: The bottom of the mounting frame (3) is installed with a plug plate (34), the outer side of the positioning socket (1) is provided with a mounting groove, the inner side of the mounting groove is provided with an elongated groove, and the plug plate (34) is butt jointed with the elongated groove through bolts.

6. A device for passing a shaft through a housing of a molded case circuit breaker according to claim 2, wherein: The top of the feeding box (4) is installed with a feeding hopper (35).

7. A device for passing a shaft through a housing of a molded case circuit breaker according to claim 2, wherein: Two arc-shaped rib strips (36) are fixedly installed in the arc-shaped groove of the feeding box (4).

8. A device for passing a shaft through a housing of a molded case circuit breaker according to claim 2, wherein: The first supporting plate (11) and the second supporting plate (12) are fixedly installed with positioning rings (37) on one side, and the outer side of the rotating ring (18) is provided with an annular groove for limiting plug-in of the positioning ring (37).

9. A device for passing a shaft through a housing of a molded case circuit breaker according to claim 2, wherein: The first supporting plate (11) and the second supporting plate (12) are installed with a U-shaped guard plate (38), and the moving block (15) is slidingly installed in the inner side of the U-shaped guard plate (38).

10. The device of claim 3, wherein: Both ends of the driven rod (19) are fixedly provided with positioning discs (39), the outer sides of the first supporting plate (11) and the second supporting plate (12) are provided with sleeves (40), the two positioning discs (39) are rotatably arranged on the inner sides of the two sleeves (40) respectively, the inner sides of the sleeves (40) are slidably provided with elastic abutting blocks (41), one end of the elastic abutting block (41) is in a semispherical structure, the outer side of the positioning disc (39) is provided with two spherical grooves, and the spherical grooves are in a one-third spherical structure.

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