CN216389209U

CN216389209U - Automatic assembling system for miniature circuit breaker

Info

Publication number: CN216389209U
Application number: CN202122618720.2U
Authority: CN
Inventors: 王�义; 吴友贵; 黄德辉
Original assignee: Zhejiang Zhicheng Automation Co ltd
Current assignee: Zhejiang Zhicheng Automation Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-26
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses an automatic assembling system of a miniature circuit breaker, which comprises a rack, and a rotary table conveying device, a clamping and feeding device, a moving device, a part inserting device, an assembling device and a clamping and discharging device which are arranged on the rack; the rotary table conveying device comprises a feeding rotary table and an electric driving mechanism for driving the feeding rotary table to rotate intermittently, a plurality of positioning seats are arranged on the feeding rotary table in an annular array, and each positioning seat is provided with an assembling groove and a temporary storage groove for accommodating a miniature circuit breaker; the clamping feeding device, the moving device, the part inserting device, the assembling device and the clamping discharging device are sequentially arranged around the feeding turntable and respectively correspond to the positioning seats. The automatic assembling system for the miniature circuit breaker has reasonable structural design, can realize automatic assembling of the miniature circuit breaker, improves the production efficiency and the production quality, and has good practicability.

Description

Automatic assembling system for miniature circuit breaker

Technical Field

The utility model relates to an automatic assembling system of a miniature circuit breaker, and belongs to the field of structural design of miniature circuit breaker production equipment.

Background

The miniature circuit breaker is a protective electric appliance installed on a terminal distribution line and is mainly used for overload and short-circuit protection of the line and electric equipment. The existing miniature circuit breaker needs to be assembled together with two miniature circuit breakers sometimes in the production and manufacturing process to form two-pole or multi-pole miniature circuit breakers, linkage control among the miniature circuit breakers needs to be considered during assembly, and therefore associated parts (such as linkage rods and handle connecting sleeves, called parts in the application) are arranged between the miniature circuit breakers assembled together, and linkage control among the miniature circuit breakers after assembly is achieved. In the prior art, the small circuit breakers are assembled by manual assembly, the assembly production efficiency is low, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to provide an automatic assembling system for miniature circuit breakers, which can realize automatic assembling among miniature circuit breakers, so that manual assembling is not needed, the labor intensity is reduced, and the production efficiency is improved.

The technical scheme for realizing the purpose of the utility model is as follows:

an automatic assembling system of a miniature circuit breaker comprises a rack, and a rotary table conveying device, a clamping and feeding device, a moving device, a part inserting device, an assembling device and a clamping and discharging device which are arranged on the rack;

the rotary table conveying device comprises a feeding rotary table and an electric driving mechanism for driving the feeding rotary table to rotate intermittently, a plurality of positioning seats are arranged on the feeding rotary table in an annular array, and each positioning seat is provided with an assembling groove and a temporary storage groove for accommodating a miniature circuit breaker;

the clamping feeding device, the moving device, the part inserting device, the assembling device and the clamping discharging device are sequentially arranged around the feeding turntable and respectively correspond to each positioning seat; the clamping and feeding device is used for loading two miniature circuit breakers stacked up and down into the assembly groove, the moving device is used for moving one miniature circuit breaker into the temporary storage groove, the part inserting device is used for installing parts to the miniature circuit breakers in the assembly groove to enable the lower ends of the parts to be inserted into the miniature circuit breaker, the assembling device is used for transferring the miniature circuit breakers in the temporary storage groove into the assembly groove to be inserted into the upper ends of the parts, and the clamping and feeding device is used for taking away the two miniature circuit breakers assembled in the assembly groove.

In the technical scheme, the clamping feeding device, the moving device and the clamping discharging device respectively comprise a clamping unit for clamping a miniature circuit breaker and a two-dimensional driving mechanism for driving the clamping unit to move vertically and transversely.

In the technical scheme, the clamping unit comprises a power part and two clamping arms which are driven by the power part to mutually approach and depart from each other.

In the above technical scheme, the power component is a finger cylinder.

Among the above-mentioned technical scheme, all be equipped with on equipment groove and the inslot diapire of keeping in be suitable for with the last rivet jack of miniature circuit breaker corresponds the reference column of pegging graft.

In the technical scheme, the temporary storage groove and the assembly groove are arranged in parallel along the radial direction of the feeding turntable, the assembly groove is close to the peripheral edge of the feeding turntable, the temporary storage groove is far away from the peripheral edge of the feeding turntable, and the depth of the temporary storage groove is smaller than that of the assembly groove;

a movable ejector rod and a spring for providing elastic force for the movable ejector rod are movably arranged on the lower portion of the side end of the assembling groove in a penetrating mode on each positioning seat, the movable direction of the movable ejector rod is the direction close to and far away from the assembling groove, and the springs enable the movable ejector rod to keep the trend of moving outwards all the time;

and a pressing cylinder and a pressing plate driven by the pressing cylinder are arranged on the frame close to the material moving device, and the pressing cylinder drives the pressing plate to move so as to push the movable ejector rod to move towards the direction of the inner part of the assembly groove, so that the miniature circuit breaker at the lower part of the inner part of the assembly groove is pressed.

In the technical scheme, the part inserting device comprises a fixed vertical seat fixed on the frame, a mounting frame vertically movably arranged on the fixed vertical seat, a first driving cylinder for driving the mounting frame to vertically move, a limiting mounting block fixed on the mounting frame and provided with a limiting slide hole, a material pushing slider transversely movably arranged in the limiting slide hole, a second driving cylinder for driving the material pushing slider to transversely move, an ejector rod vertically movably arranged on the mounting frame and a feeding cylinder for driving the ejector rod to vertically move, wherein the material pushing slider is provided with a vertical jack for inserting a part, the length of the vertical jack is equal to that of the part, a vertical feeding channel for conveying the part is arranged at the upper part of the limiting slide hole, a part feeding device is connected at the upper end of the vertical feeding channel, and a vertical blanking channel for the part to pass through is arranged at the lower part of the limiting slide hole, the vertical feeding channel and the vertical blanking channel are arranged in a staggered mode in the movable direction of the material pushing slider, when the material pushing slider moves to the limit positions at two ends, the vertical insertion holes of the material pushing slider are respectively aligned with the vertical feeding channel and the vertical blanking channel, the ejector rod is located right above the vertical blanking channel and used for jacking parts in the vertical insertion holes to enable the parts to penetrate out downwards through the vertical insertion holes and the vertical blanking channel.

In the technical scheme, the number of the part inserting devices is two, and the part inserting devices are used for installing two parts at different positions on the miniature circuit breaker.

In the technical scheme, the detection mechanism is arranged on the mounting frame, the detection mechanism comprises a detection rod which can be vertically movably mounted on the mounting frame and a detection switch which is fixed on the mounting frame and above the detection rod, and the detection rod moves upwards relative to the mounting frame when the lower end of the detection rod abuts against the corresponding structure to be detected on the miniature circuit breaker in the downward movement process of the mounting frame so as to trigger the detection switch to act.

The utility model has the positive effects that: the automatic assembling system for the miniature circuit breakers is reasonable in structure, and automatic assembling among the assembled miniature circuit breakers can be realized by using the automatic assembling system, so that manual operation is reduced, the manual labor intensity is reduced, the production efficiency is improved, and the production quality of products is ensured.

Drawings

Fig. 1 is a schematic structural view of an automatic assembly system of a miniature circuit breaker according to the present invention;

FIG. 2 is a schematic structural diagram of a carousel conveying apparatus according to the present invention;

FIG. 3 is a schematic view of the component inserting apparatus according to the present invention;

FIG. 4 is a side elevational view of the parts insertion device of FIG. 3;

FIG. 5 is a left side elevational view of the parts insertion assembly illustrated in FIG. 4;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

fig. 7 is a schematic structural view of the two-dimensional driving mechanism and the gripping unit in cooperation in the present invention.

The reference symbols shown in the figures are: 1-a frame; 11-a pressing cylinder; 12-pressing plate; 2-a carousel conveyor; 21-a feeding turntable; 22-an electric drive mechanism; 23-positioning seats; 231-an assembly groove; 232-temporary storage tank; 233-positioning columns; 234-a pressure bar; 3-clamping a feeding device; 4-a material moving device; 5-a part plug-in mounting device; 51-fixed vertical seats; 52-a mounting frame; 53-a first drive cylinder; 54-a limit mounting block; 541-a limit sliding hole; 542-vertical feed channels; 543-vertical blanking channel; 55-pushing sliding block; 551-vertical jack; 56-a second drive cylinder; 57-a mandril; 58-feeding cylinder; 6, assembling a device; 7-clamping and taking a blanking device; 8-a gripping unit; 81-a power component; 82-a gripper arm; 9-a detection mechanism; 91-a detection rod; 92-a detection switch; 10-a two-dimensional drive mechanism; 101-a vertical support; 102-a vertical cylinder; 103-a base; 104-transverse cylinder; 105-a fixed block; 01-a feeding conveying belt; 02-blanking conveying belt.

Detailed Description

The following description is made of the specific structure of the automatic assembly system of the miniature circuit breaker in combination with the attached drawings of the specification:

an automatic assembling system of a miniature circuit breaker is shown in fig. 1 to 7 and comprises a frame 1, and a rotary table conveying device 2, a clamping and feeding device 3, a material moving device 4, a part inserting device 5, an assembling device 6 and a clamping and discharging device 7 which are arranged on the frame 1; the turntable conveying device 2 comprises a feeding turntable 21 and an electric driving mechanism 22 for driving the feeding turntable 21 to rotate intermittently, a plurality of positioning seats 23 are arranged on the feeding turntable 21 in an annular array, and each positioning seat 23 is provided with an assembling groove 231 and a temporary storage groove 232 for accommodating a miniature circuit breaker; the clamping feeding device 3, the moving device 4, the part inserting device 5, the assembling device 6 and the clamping discharging device 7 are sequentially arranged around the feeding turntable 21 and respectively correspond to the positioning seats 23; the clamping and feeding device 3 is used for loading two miniature circuit breakers stacked up and down into the assembling groove 231, the moving device 4 is used for moving one miniature circuit breaker into the temporary storage groove 232, the part inserting device 5 is used for installing parts on the miniature circuit breakers in the assembling groove 231 to enable the lower ends of the parts to be inserted into the miniature circuit breaker, the assembling device 6 is used for transferring the miniature circuit breakers in the temporary storage groove 232 into the assembling groove 231 to be inserted into the upper ends of the parts, and the clamping and discharging device 7 is used for taking away the two miniature circuit breakers assembled in the assembling groove 231. The automatic system of assembling of miniature circuit breaker in this embodiment is rational in infrastructure, uses it to realize assembling the automatic equipment between miniature circuit breaker to reduce manual operation, reduce artifical intensity of labour, improve production efficiency, and guarantee product production quality. When the automatic assembling system of the miniature circuit breaker is used for assembling production, the working process is as follows: through the intermittent type nature rotation of electric drive mechanism 22 control pay-off carousel 21, press from both sides two miniature circuit breakers that stack from top to bottom with material loading transmission band 01 through pressing from both sides and get and put into the equipment groove 231 on the locating seat 23, shift to a miniature circuit breaker on the interior upper portion of equipment groove 231 through moving material device 4 and make two miniature circuit breakers of assembling separate in keeping in groove 232, peg graft on the miniature circuit breaker of equipment groove 231 with the part lower extreme through part insertion device 5, the miniature circuit breaker of rethread assembly device 6 in keeping in groove 232 shifts to and assembles the miniature circuit breaker in the groove 231 together, make this miniature circuit breaker and the upper end of part form the cooperation through accurate counterpoint during the assembly, press from both sides the unloading device 7 through pressing from both sides the miniature circuit breaker who assembles and get and place the unloading conveyer belt and go up to next production processes.

In this embodiment, press from both sides and get loading attachment 3 move material device 4 and press from both sides and get unloader 7 and all press from both sides the unit 8 and be used for the drive of getting the two-dimensional actuating mechanism 10 of getting the unit 8 vertical and lateral shifting of pressing from both sides including being used for pressing from both sides to get miniature circuit breaker, drive through two-dimensional actuating mechanism 10 and press from both sides the horizontal and vertical shifting that gets unit 8 and realize miniature circuit breaker's transfer, its structure specifically can refer to as shown in fig. 7, a two-dimensional actuating mechanism 10 that gives in this embodiment can adopt following structure: the clamping device comprises a vertical support 101 fixed on a rack 1, a vertical air cylinder 102 fixed on the vertical support 101, a base 103 driven by the vertical air cylinder 102 to move up and down, a transverse air cylinder 104 fixed on the base 103, and a fixed block 105 driven by the transverse air cylinder 104 to move transversely, wherein the clamping unit 8 is fixed on the fixed block 105, the fixed block 105 and the clamping unit 8 fixed on the fixed block 105 are driven to move transversely and vertically by the cooperation of the vertical air cylinder 102 and the transverse air cylinder 104, and in actual operation, the two-dimensional driving mechanism 10 can also adopt other structures in the prior art.

More specifically, the gripping unit 8 in this embodiment includes a power unit 81 and two gripping arms 82 that are driven by the power unit 81 to move closer to and away from each other, the two gripping arms 82 are driven by the power unit 81 to move closer to each other to grip the miniature circuit breaker, and the two gripping arms 82 are driven by the power unit 81 to move away from each other to release the miniature circuit breaker; in the embodiment, the power unit 81 adopts a finger cylinder, and in actual operation, the power unit 81 can also adopt other structures in the prior art, for example, a motor drives a screw rod with two sections of opposite threads, threaded holes are respectively formed in the two clamping arms 82 to be matched with the two sections of opposite threads, and the motor drives the screw rod to rotate so as to drive the two clamping arms 82 to move closer to or away from each other.

In order to further ensure the position accuracy of the miniature circuit breaker and improve the assembling quality, in this embodiment, the inner bottom walls of the assembling groove 231 and the temporary storage groove 232 are respectively provided with a positioning column 233 which is suitable for being correspondingly inserted into a rivet jack on the miniature circuit breaker, and the positioning column 233 is matched with the rivet hole on the miniature circuit breaker to realize the positioning effect on the miniature circuit breaker and prevent the displacement of the miniature circuit breaker from influencing the assembling quality; the rivet jack is used for assembling the back at miniature circuit breaker and wears to establish the rivet and carry out riveting fixed, directly utilizes when here is assembled the location, need not to set up in addition on miniature circuit breaker with reference column complex locating hole.

As a further embodiment of this embodiment, the temporary storage groove 232 and the assembly groove 231 are arranged in parallel along the radial direction of the feeding turntable 21, the assembly groove 231 is close to the outer peripheral edge of the feeding turntable 21, the temporary storage groove 232 is far from the outer peripheral edge of the feeding turntable 21, and the depth of the temporary storage groove 232 is smaller than the depth of the assembly groove 231; a pressing rod 234 and a spring for providing elastic force to the pressing rod 234 are movably arranged on each positioning seat 23 at the lower part of the side end of the assembling groove 231 in a penetrating manner, the movable direction of the pressing rod 234 is a direction close to and away from the assembling groove 231, and the spring makes the pressing rod 234 keep a trend of moving outwards all the time; the pressing cylinder 11 and the pressing plate 12 driven by the pressing cylinder 11 are installed on the frame 1 at a position close to the material moving device 4, the pressing cylinder 11 drives the pressing plate 12 to move, the pressing rod 234 is pushed to move towards the inner direction of the assembly groove 231, so that the miniature circuit breakers at the lower part in the assembly groove 231 are pressed tightly, by adopting the structure, the pressing cylinder 11 pushes the pressing plate 12 to move towards the feeding turntable 21 during actual work, the pressing rod 234 is further pushed to move towards the assembly groove 231, so that the miniature circuit breakers at the lower part in the assembly groove 231 are pressed tightly, the miniature circuit breakers at the upper part are clamped and moved away by the material moving device 4, and the phenomenon that the two miniature circuit breakers are adhered to influence normal material moving is avoided.

Further, in this embodiment, the component inserting apparatus 5 includes a fixed vertical seat 51 fixed on the frame 1, a mounting frame 52 vertically movably disposed on the fixed vertical seat 51, a first driving cylinder 53 driving the mounting frame 52 to vertically move, a limiting mounting block 54 having a limiting sliding hole 541 fixed on the mounting frame 52, a pushing slider 55 horizontally movably disposed in the limiting sliding hole 541, a second driving cylinder 56 driving the pushing slider 55 to horizontally move, a top rod 57 vertically movably disposed on the mounting frame 52, and a feeding cylinder 58 driving the top rod 57 to vertically move, the pushing slider 55 has a vertical insertion hole 551 for inserting a component, the length of the vertical insertion hole 551 is equal to the length of the component, a vertical feeding channel 542 for feeding the component is disposed on the upper portion of the limiting sliding hole 541, the upper end of the vertical feeding channel 542 is connected with a part feeding device, the part feeding device can adopt a vibrating disk for feeding, the lower part of the limiting sliding hole 541 is provided with a vertical blanking channel 543 through which a part passes, the vertical feeding channel 542 and the vertical blanking channel 543 are arranged in a staggered manner in the movable direction of the material pushing slider 55, when the material pushing slider 55 moves to the limit positions at two ends, the vertical insertion holes 551 of the material pushing slider 55 are respectively aligned with the vertical feeding channel 542 and the vertical blanking channel 543, and the ejector rod 57 is positioned right above the vertical blanking channel 543 and is used for ejecting the part in the vertical insertion holes 551 to enable the part to penetrate downwards through the vertical insertion holes 551 and the vertical blanking channel 543; by adopting the component inserting device 5, when corresponding components (such as a linkage rod or a handle linkage sleeve) are inserted on the miniature circuit breaker, the components supplied by the component feeding device are orderly arranged in the vertical feeding channel 542 one by one, when the pushing slider 55 is at one extreme position, the vertical jack 551 on the pushing slider 55 is aligned with the lower port of the vertical feeding channel 542, the components slide down into the vertical jack 551, when the pushing slider 55 is driven by the second driving cylinder 56 to move horizontally in the limiting slide hole 541 to the other extreme position, the vertical jack 551 is aligned with the vertical blanking channel 543, then the push rod 57 is driven by the push rod 57 cylinder to move downwards and push the components in the vertical jack 551 downwards to enable the components to penetrate through the vertical blanking channel 543 and be inserted and connected to the corresponding mounting position on the miniature circuit breaker below, because the vertical jack 551 is dislocated with the lower port of the vertical feeding channel 542 in the process of the horizontal movement of the pushing slider 55, therefore, parts in the vertical material passing holes are blocked by the upper surface of the material pushing slider 55 and cannot move downwards, so that the parts are stably and effectively conveyed and inserted one by one, and the parts are reasonable in structural design and have good practicability. In this embodiment, the component inserting device 5 may be used to insert associated components such as a linkage rod and a handle connecting sleeve onto a miniature circuit breaker.

As a more optimized embodiment, the number of the component inserting devices 5 in this embodiment is two, and the component inserting devices are used for installing two components at different positions on the miniature circuit breaker, and the two components may be a linkage rod and a handle connecting sleeve, so that the linkage rod and the handle connecting sleeve can be respectively installed on the miniature circuit breaker through the two component inserting devices 5, and the two component inserting devices 5 have substantially the same structure, except that the specific structures and the sizes of the vertical feeding channel 542, the vertical inserting hole 551 and the vertical blanking channel 543 need to be adaptively adjusted according to the shapes and the sizes of the components to be conveyed.

As a further improvement of this embodiment, the mounting frame 52 is provided with the detection mechanism 9, the detection mechanism 9 includes a detection rod 91 vertically movably mounted on the mounting frame 52 and a detection switch 92 fixed on the mounting frame 52 and located above the detection rod 91, the mounting frame 52 is provided with a through hole for the detection rod 91, the detection rod 91 is inserted into the through hole for the detection rod 91, and the detection rod 91 is provided with a stop boss above and below the through hole for the detection rod 91, so as to limit the detection rod 91 from moving up and down by the stop boss, and prevent the detection rod 91 from falling off from the through hole for the detection rod 91, the detection rod 91 moves upward relative to the mounting frame 52 when the lower end of the detection rod abuts against a corresponding structure to be detected on the miniature circuit breaker during the downward movement of the mounting frame 52, thereby triggering the detection switch 92 to move, so as to implement detection while inserting parts, only when having this detection structure on miniature circuit breaker and detecting switch 92 just can be triggered when waiting to detect the structure and lack, detect switch 92 can not triggered when detecting on miniature circuit breaker, will detect signal transmission for the automatic control system who assembles the system through detecting switch 92, realize the detection function, this detection switch 92 can use micro-gap switch.

It should 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. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the utility model are deemed to be covered by the present invention.

Claims

1. An automatic assembling system of a miniature circuit breaker is characterized by comprising a rack (1), and a rotary table conveying device (2), a clamping and feeding device (3), a material moving device (4), a part inserting device (5), an assembling device (6) and a clamping and discharging device (7) which are arranged on the rack (1);

the rotary disc conveying device (2) comprises a feeding rotary disc (21) and an electric driving mechanism (22) for driving the feeding rotary disc (21) to rotate intermittently, a plurality of positioning seats (23) are arranged on the feeding rotary disc (21) in an annular array, and each positioning seat (23) is provided with an assembling groove (231) and a temporary storage groove (232) for containing a small circuit breaker;

the clamping feeding device (3), the moving device (4), the part inserting device (5), the assembling device (6) and the clamping discharging device (7) are sequentially arranged around the feeding turntable (21) and respectively correspond to the positioning seats (23); the clamping and feeding device (3) is used for feeding two miniature circuit breakers stacked up and down into the assembly groove (231), the moving device (4) is used for moving one miniature circuit breaker into the temporary storage groove (232), the part inserting device (5) is used for installing parts to the miniature circuit breaker in the assembly groove (231) so that the lower end of the part is inserted into the miniature circuit breaker, the assembling device (6) is used for transferring the miniature circuit breaker in the temporary storage groove (232) into the assembly groove (231) to be inserted into the upper end of the part, and the clamping and feeding device (7) is used for taking away the two miniature circuit breakers assembled in the assembly groove (231).

2. The automatic assembling system of small circuit breakers according to claim 1, wherein the clamping and feeding device (3), the moving device (4) and the clamping and discharging device (7) each comprise a clamping unit (8) for clamping and taking the small circuit breakers and a two-dimensional driving mechanism (10) for driving the clamping unit (8) to move vertically and horizontally.

3. The automatic assembling system of small circuit breakers according to claim 2, wherein said gripping unit (8) comprises a power unit (81) and two gripping arms (82) driven by said power unit (81) to move close to and away from each other.

4. The automatic assembly system of miniature circuit breakers according to claim 3, wherein said power unit (81) is a finger cylinder.

5. The automatic assembling system for the miniature circuit breaker according to claim 1, wherein the inner bottom walls of the assembling groove (231) and the temporary storage groove (232) are respectively provided with a positioning column (233) which is suitable for being correspondingly inserted into the rivet insertion hole of the miniature circuit breaker.

6. The automatic assembling system for the miniature circuit breaker according to claim 1, wherein the temporary storage groove (232) and the assembling groove (231) are arranged in parallel along the radial direction of the feeding turntable (21), the assembling groove (231) is close to the outer peripheral edge of the feeding turntable (21), the temporary storage groove (232) is far away from the outer peripheral edge of the feeding turntable (21), and the depth of the temporary storage groove (232) is smaller than that of the assembling groove (231);

a pressing rod (234) and a spring for providing elastic force for the pressing rod (234) are movably arranged on each positioning seat (23) in a penetrating manner at the lower part of the side end of the assembling groove (231), the movable direction of the pressing rod (234) is the direction close to and far away from the assembling groove (231), and the spring enables the pressing rod (234) to keep the trend of moving outwards all the time;

the pressing cylinder (11) and the pressing plate (12) driven by the pressing cylinder (11) are installed on the frame (1) and close to the material moving device (4), and when the pressing cylinder (11) drives the pressing plate (12) to move, the pressing rod (234) is pushed to move towards the inner direction of the assembling groove (231) so as to press the small circuit breaker at the inner lower part of the assembling groove (231).

7. The automatic assembling system of the miniature circuit breaker according to claim 1, wherein the component inserting device (5) comprises a fixed vertical base (51) fixed on the rack (1), a mounting frame (52) vertically movably arranged on the fixed vertical base (51), a first driving cylinder (53) driving the mounting frame (52) to vertically move, a limit mounting block (54) fixed on the mounting frame (52) and having a limit sliding hole (541), a material pushing slider (55) transversely movably arranged in the limit sliding hole (541), a second driving cylinder (56) driving the material pushing slider (55) to transversely move, a top rod (57) vertically movably arranged on the mounting frame (52) and a feeding cylinder (58) driving the top rod (57) to vertically move, wherein the material pushing slider (55) has a vertical insertion hole (551) for inserting a component, the length of the vertical insertion hole (551) is equal to that of the part, a vertical feeding channel (542) for conveying the part is arranged at the upper part of the limiting sliding hole (541), the upper end of the vertical feeding channel (542) is connected with a part feeding device, the lower part of the limiting sliding hole (541) is provided with a vertical blanking channel (543) for the part to pass through, the vertical feeding channel (542) and the vertical blanking channel (543) are arranged in a staggered way in the movable direction of the material pushing slide block (55), when the pushing slide block (55) moves to the extreme positions at the two ends, the vertical jacks (551) on the pushing slide block are respectively aligned with the vertical feeding channel (542) and the vertical blanking channel (543), and the top rod (57) is positioned right above the vertical blanking channel (543), the vertical blanking device is used for pressing parts in the vertical insertion hole (551) downwards to penetrate out of the vertical insertion hole (551) and the vertical blanking channel (543).

8. Automatic assembling system of small circuit breakers according to claim 7, characterized in that said parts inserting means (5) are two in number, for mounting two parts in different positions on the small circuit breaker.

9. The automatic assembling system for the miniature circuit breakers according to claim 7 or 8, wherein the mounting frame (52) is provided with the detection mechanism (9), the detection mechanism (9) comprises a detection rod (91) which is vertically movably mounted on the mounting frame (52) and a detection switch (92) which is fixed on the mounting frame (52) and is positioned above the detection rod (91), and the detection rod (91) moves upwards relative to the mounting frame (52) when the lower end of the detection rod abuts against a corresponding structure to be detected on the miniature circuit breaker in the downward movement process along with the mounting frame (52) so as to trigger the detection switch (92) to act.