Iron core secondary distance adjusting assembly, iron core framework assembling machine and assembling method

Abstract

The invention relates to an iron core secondary distance adjusting assembly, an iron core framework assembling machine and an assembling method. The iron core secondary distance adjusting assembly comprises a sliding table, and a first sliding rail and a second sliding rail are arranged on the sliding table; a first material carrying seat is fixedly arranged on the sliding table, a first positioning seat, a second positioning seat, a third positioning seat and a fourth positioning seat which are sequentially arranged side by side are arranged on the first material carrying seat in a sliding mode, and an adjusting unit for adjusting the distance between the first positioning seat and the fourth positioning seat is arranged on the first material carrying seat. The first positioning seat and the second positioning seat are connected through a first connecting rod assembly, the distance between the first positioning seat and the second positioning seat is adjustable, the third positioning seat and the fourth positioning seat are connected through a second connecting rod assembly, and the second positioning seat and the third positioning seat are connected through a third connecting rod assembly; according to the iron core winding machine, a row of iron core monomers on which an upper framework and a lower framework are mounted can be automatically grouped, and the distance between the iron core monomers in each group is adjusted, so that the subsequent grouping winding operation is facilitated, the labor intensity of workers is reduced, and the processing efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of motor processing, and more specifically to an iron core secondary pitch adjustment component, an iron core skeleton assembly machine and an assembly method. Background Art

[0002] The stator core is one of the core components of the motor. The stator core is usually composed of multiple stator monomers. When winding some cores with a large number of stator monomers, it is often necessary to first split the entire circular core into individual core monomers, and then assemble the upper and lower skeletons of the core monomers. After the skeletons are assembled, the core monomers can be wound. At present, the grouping of core monomers after batch assembly of skeletons and the position sorting of the core monomers in each group still rely on manual operation, which has a high labor intensity for workers. There is a need for a core secondary spacing adjustment component, a core skeleton assembly machine and an assembly method to solve this problem. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an iron core secondary pitch adjustment component, an iron core skeleton assembly machine and an iron core skeleton assembly method in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] The lifting of the ...

[0006] The iron core secondary spacing adjustment component described in the present invention, wherein the first loading seat includes a loading plate, and the loading plate is provided with a sliding plate and a plurality of support plates for supporting the sliding plate; the sliding plate is provided with a third slide rail slidably connected to the first positioning seat and the third positioning seat, and a fourth slide rail slidably connected to the second positioning seat and the fourth positioning seat, the adjustment unit includes a driving cylinder arranged on the lower surface of the sliding plate, the driving cylinder includes two driving arms and the two driving arms are respectively fixedly connected to the first positioning seat and the fourth positioning seat; the sliding plate is provided with a slot for the driving arm to pass through between the third slide rail and the fourth slide rail.

[0007] The iron core secondary pitch adjustment assembly described in the present invention, wherein the first connecting rod assembly, the second connecting rod assembly and the third connecting rod assembly have the same structure; the first connecting rod assembly includes a connecting cross bar, one end of the connecting cross bar is provided with a first connecting screw, and the other end is provided with a second connecting screw and a movable groove cooperating with the second connecting screw.

[0008] A core skeleton assembly machine, which includes a processing table, on which the above-mentioned core secondary spacing adjustment component is arranged; a press-fitting platform is arranged on the processing table, and a lifting and rotating indexing plate is arranged on the press-fitting platform; a core positioning seat and a lower skeleton positioning seat are arranged on the press-fitting platform, and a clamping assembly is arranged on the indexing plate; an upper skeleton press-fitting module, an upper skeleton receiving assembly, a lower skeleton press-fitting module and a lower skeleton receiving assembly are arranged on the processing table, a first feeding unit for supplying an upper skeleton to the upper skeleton receiving assembly is arranged on one side of the processing table, and a second feeding unit for supplying a lower skeleton to the lower skeleton receiving assembly is arranged on the other side of the processing table; the upper skeleton press-fitting module and the lower skeleton press-fitting module have the same structure, and the upper The skeleton pressing module comprises a clamping unit for clamping the upper skeleton in batches from the upper skeleton receiving assembly, a pressing unit for pressing the upper skeleton in batches, and a lateral movement unit for driving the clamping unit and the pressing unit to move lateraly; the clamping assembly comprises a mounting frame, on which a first clamping plate, a second clamping plate and a distance adjustment unit are arranged, the distance adjustment unit is used to drive the first clamping plate to move so as to change the distance between the first clamping plate and the second clamping plate, the first clamping plate and the second clamping plate being elastically connected via an elastic assembly; a plurality of first positioning members and a plurality of second positioning members are respectively arranged on the surfaces of the opposite sides of the first clamping plate and the second clamping plate, the first positioning members and the second positioning members correspond one to one and constitute a contouring unit matching the shape of the iron core monomer;

[0009] The processing table is provided with a material transfer robot, a visual inspection and coding component and a material discharging fixture; the material transfer robot is used to transfer the iron core after assembling the upper frame and the lower frame to the visual inspection and coding component, the iron core secondary spacing adjustment component and the material discharging fixture in sequence.

[0010] The core skeleton assembly machine described in the present invention, wherein the mounting frame includes a bottom plate, a fixed plate is arranged on the bottom plate, a plurality of first guide posts are transversely penetrated on the fixed plate, one end of the first guide post is connected to the first clamping plate, and the other end of the first guide post is connected to the driving end of the spacing adjustment unit; a first guide sleeve is movably sleeved on the first guide post, and the mounting frame also includes a movable plate fixedly connected to the plurality of first guide sleeves, a plurality of second guide posts are fixed on the movable plate, a second guide sleeve cooperating with the second guide post is penetrated on the fixed plate, and one end of the second guide post away from the movable plate is fixedly connected to the second clamping plate; the elastic component elastically connects the second clamping plate and the fixed plate;

[0011] The core skeleton assembly machine described in the present invention, wherein a bracket is fixed on the base plate, a cylinder mounting plate is arranged on the bracket, a cylinder is arranged on the cylinder mounting plate, a connecting plate passing through the cylinder mounting plate is arranged at the movable end of the cylinder, and the connecting plate connects multiple first guide columns; a limiting bolt for limiting the distance between the movable plate and the fixed plate is arranged; the elastic component includes two springs respectively located at the two ends of the second clamping plate, one end of the spring is connected to the second clamping plate, and the other end is connected to the fixed plate.

[0012] The iron core skeleton assembly machine described in the present invention, wherein the first positioning member includes a first base fixedly connected to the first clamping plate, a first protrusion is provided on the side of the first base facing the second clamping plate, and first guide grooves are formed on both sides of the first protrusion; the second positioning member includes a second base fixedly connected to the second clamping plate, a second protrusion is provided on the side of the second base facing the first clamping plate, and second guide grooves are formed on both sides of the second protrusion; the first protrusion, the second protrusion and the two second guide grooves are combined to form a contoured unit matching the shape of the iron core monomer.

[0013] The core skeleton assembly machine described in the present invention, wherein the upper skeleton material receiving assembly has the same structure as the lower skeleton material receiving assembly; the upper skeleton material receiving assembly includes a material receiving conveyor belt and a limiting plate assembly located on the periphery of the material receiving conveyor belt, and the limiting plate assembly is formed with a long limiting groove consistent with the length direction of the material receiving conveyor belt.

[0014] The core skeleton assembly machine described in the present invention, wherein the clamping unit includes a chuck mounting plate, a plurality of clamping cylinders are arranged side by side on the chuck mounting plate, a clamping rod is arranged on the chuck mounting plate, a clamping arm is arranged at the movable end of the clamping cylinder, and the clamping rod cooperates with the plurality of clamping arms to complete the clamping action; the pressing unit includes a pressing frame, a press is arranged on the pressing frame, and the movable end of the press is fixedly connected to the chuck mounting plate; the clamping arm is L-shaped and its lower surface is flush with the lower surface of the clamping rod, and the lower surface of the clamping arm and the lower surface of the clamping rod are combined to form the pressing plane of the pressing unit.

[0015] A core skeleton assembly method, using the core skeleton assembly machine as described above, wherein the method comprises the steps of:

[0016] Load a row of core monomers onto the clamping assembly, and the spacing unit operates to control the first clamping plate and the second clamping plate to open and close once, and each core monomer is clamped by a first positioning member and a second positioning member;

[0017] The indexing plate rotates to drive the clamping assembly to move above the core positioning seat, and the spacing unit operates to control the first clamping plate and the second clamping plate to open and close once, thereby releasing the clamping of the core monomer, and the core monomer falls into the core positioning seat for positioning;

[0018] The clamping unit of the upper frame press-fitting module clamps the upper frame in batches from the upper frame receiving assembly, the traverse unit drives the clamping unit to move above the clamping assembly, the indexing plate moves upward to drive the clamping assembly upward, the distance adjustment unit operates to control the first clamping plate and the second clamping plate to open and close once, and the clamping assembly clamps the upper frame;

[0019] The clamping unit releases the clamping of the upper frame, the indexing plate moves downward to drive the clamping assembly downward, the second clamping plate elastically clamps the upper frame under the action of the elastic assembly, the pressing unit of the upper frame press-fitting module moves downward and press-fits the upper frame and the core monomer under the guidance of the profiling unit, and the first assembly is obtained after press-fitting;

[0020] The clamping unit of the lower frame press assembly module clamps the lower frames in batches from the lower frame receiving assembly, and the transverse movement unit drives the clamping unit to move to the top of the lower frame positioning seat, and the clamping unit releases the clamping of the lower frame, and the lower frame falls into the lower frame positioning seat for positioning;

[0021] The clamping assembly clamps the first assembly, the indexing plate drives the clamping assembly upward, the first assembly is separated from the core positioning seat, and the indexing plate drives the clamping assembly to rotate above the lower frame positioning seat;

[0022] The indexing plate drives the clamping assembly downward, and the second clamping plate elastically clamps the first assembly under the action of the elastic assembly, and the pressing unit of the lower frame press-fitting module presses the first assembly and the lower frame to obtain the second assembly;

[0023] The dividing plate drives the clamping assembly upward, and the dividing plate drives the clamping assembly to rotate to the discharging position. The material transfer robot transfers the second assembly after assembling the upper frame and the lower frame to the visual inspection and coding assembly for visual inspection and coding of qualified products. The material transfer robot transfers the coded second assembly to the iron core secondary distance adjustment assembly for grouping and distance adjustment. The material transfer robot transfers the second assembly on the secondary distance adjustment assembly to the discharging fixture.

[0024] The beneficial effects of the present invention are as follows: a row of iron core monomers with an upper frame and a lower frame installed are loaded onto a plurality of positioning seats, and then two driving units are used to drive the corresponding second loading seats to move to both sides respectively to complete a distance adjustment. At the same time, the adjustment unit adjusts the first positioning seat and the fourth positioning seat in each group to move in the opposite direction, and relies on the first connecting rod assembly, the second connecting rod assembly and the third connecting rod assembly to pull the distance between the plurality of positioning seats apart to complete a secondary distance adjustment. By applying the method of the present application, a row of iron core monomers with an upper frame and a lower frame installed can be automatically grouped, and the distance between the iron core monomers in each group can be adjusted, which is convenient for subsequent group winding operations, reduces the labor intensity of workers, and improves processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work:

[0026] Figure 1 It is a schematic structural diagram of an iron core secondary pitch adjustment assembly according to a preferred embodiment of the present invention;

[0027] Figure 2 This is a schematic diagram of the structure of the first material carrier of the core secondary spacing adjustment assembly of a preferred embodiment of the present invention;

[0028] Figure 3 It is a structural schematic diagram of the first material carrier of the iron core secondary spacing adjustment assembly from another perspective of a preferred embodiment of the present invention;

[0029] Figure 4 It is a structural schematic diagram of an iron core skeleton assembly machine of a preferred embodiment of the present invention;

[0030] Figure 5 yes Figure 4 The enlarged schematic diagram at A in the middle;

[0031] Figure 6 It is a partial enlarged schematic diagram of a chuck mounting plate of a core skeleton assembly machine structure of a preferred embodiment of the present invention;

[0032] Figure 7 It is a top view of the core skeleton assembly machine of a preferred embodiment of the present invention;

[0033] Figure 8 yes Figure 7 The enlarged schematic diagram of point B in the middle;

[0034] Fig. 9 yes Figure 7 The enlarged schematic diagram at C in the middle;

[0035] Fig.10 It is a schematic diagram of the structure of the clamping assembly of the core skeleton assembly machine of a preferred embodiment of the present invention;

[0036] Fig.11 It is a schematic diagram of the clamping assembly structure from another perspective of the core skeleton assembly machine of the preferred embodiment of the present invention. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0038] The core secondary pitch adjustment component of the preferred embodiment of the present invention is as follows Figure 1 See also Figure 2 and Figure 3, including a long strip sliding table 90, on which a first slide rail 91 and a second slide rail 92 are arranged along the length direction; a first material loading seat 93 located between the first slide rail 91 and the second slide rail 92 is fixedly arranged on the sliding table 90, and a second material loading seat 94 and a driving unit for driving the second material loading seat to slide are slidably arranged on the first slide rail 91 and the second slide rail 92; the first material loading seat 93 has the same structure as the second material loading seat 94, and a first positioning seat 930 and a second positioning seat 931 are slidably arranged side by side in sequence on the first material loading seat 93. , a third positioning seat 932 and a fourth positioning seat 933, an adjusting unit 934 for adjusting the distance between the first positioning seat 930 and the fourth positioning seat 933 is provided on the first loading seat 93, the first positioning seat 930 and the second positioning seat 931 are connected by a first connecting rod assembly 935 and the distance is adjustable, the third positioning seat 932 and the fourth positioning seat 933 are connected by a second connecting rod assembly 936 and the distance is adjustable, and the second positioning seat 931 and the third positioning seat 932 are connected by a third connecting rod assembly 937 and the distance is adjustable;

[0039] The core monomers 15 of a row with the upper frame and the lower frame installed are loaded onto multiple positioning seats, and then the corresponding second loading seats 94 are driven to move to both sides by two driving units to complete one distance adjustment. At the same time, the adjustment unit adjusts the first positioning seat 930 and the fourth positioning seat 933 in each group to move in the opposite direction, and relies on the first connecting rod assembly 935, the second connecting rod assembly 936 and the third connecting rod assembly 937 to pull the distance between the multiple positioning seats apart to complete the secondary distance adjustment. By using the method of the present application, the core monomers of a row with the upper frame and the lower frame installed can be automatically grouped, and the distance between the core monomers in each group can be adjusted, which is convenient for subsequent group winding operations, reduces the labor intensity of workers, and improves processing efficiency.

[0040] Preferably, the first material carrier 93 includes a material carrier plate 938, on which a sliding plate 9380 and a plurality of support plates 9381 for supporting the sliding plate are arranged; the sliding plate 9380 is provided with a third slide rail 9382 for slidably connecting the first positioning seat 930 and the third positioning seat 932, and a fourth slide rail 9383 for slidably connecting the second positioning seat 931 and the fourth positioning seat 933; the adjustment unit 934 includes a driving cylinder 9340 arranged on the lower surface of the sliding plate 9380, two driving arms 9341 of the driving cylinder 9340 and the two driving arms are respectively connected to the first positioning seat 930 and the fourth positioning seat 933; 33 fixed connection; a slot 9384 for the driving arm 9341 to pass through is set on the sliding plate 9380 between the third sliding rail and the fourth sliding rail; adopting this structural design, the structure is reasonable and very compact, and the four positioning seats are grouped and slidably connected by two sliding rails, which can reasonably solve the problem that the driving cylinder is not easy to set when the spacing between the first positioning seat 930, the second positioning seat 931, the third positioning seat 932 and the fourth positioning seat 933 is too small, and the driving cylinder can also be well enclosed by the sliding plate 9380 and multiple support plates 9381, providing protection while avoiding accidents.

[0041] Preferably, the first connecting rod assembly 935, the second connecting rod assembly 936 and the third connecting rod assembly 937 have the same structure; taking the first connecting rod assembly 935 as an example, it is explained as follows: the first connecting rod assembly 935 includes a connecting cross bar 9350, one end of the connecting cross bar 9350 is provided with a first connecting screw 9351 (fixedly connected to the first positioning seat 930), and the other end is provided with a second connecting screw 9352 (fixedly connected to the second positioning seat 931) and a movable groove 9353 cooperating with the second connecting screw 9352, and the movable groove 9353 leaves space for distance adjustment; the structure is reasonable and simple, the cost is low, and the stability is good.

[0042] A core skeleton assembly machine, such as Figure 4 See also Figure 5-Figure 11, including a processing table, the processing table 1 is provided with the above-mentioned iron core secondary spacing adjustment component 9; the processing table 1 is provided with a press-fitting platform 2, and the press-fitting platform 2 is provided with a lifting and rotating indexing plate 3 (the existing indexing plate can be used, and it is not described in detail); the press-fitting platform 2 is provided with an iron core positioning seat 20 and a lower frame positioning seat 21, and the indexing plate 3 is provided with a clamping component 4; the processing table 1 is provided with an upper frame press-fitting module 5, an upper frame receiving assembly 6, a lower frame press-fitting module 7 and a lower frame receiving assembly 8, a first feeding unit 10 for supplying an upper frame to the upper frame receiving assembly 6 is provided on one side of the processing table 1, and a second feeding unit 11 for supplying a lower frame to the lower frame receiving assembly 8 is provided on the other side of the processing table 1; the upper frame press-fitting module 5 and the lower frame press-fitting module 7 have the same structure, and the upper frame press-fitting module The group 5 includes a clamping unit 50 for clamping the upper frame in batches from the upper frame receiving assembly 6, a pressing unit 51 for pressing the upper frame in batches, and a lateral movement unit 52 for driving the clamping unit and the pressing unit to move horizontally; the clamping assembly 4 includes a mounting frame, on which a first clamping plate 40, a second clamping plate 41 and a distance adjustment unit 42 are arranged, the distance adjustment unit 42 is used to drive the first clamping plate 40 to move to change the distance between the second clamping plate 41, and the first clamping plate 40 and the second clamping plate 41 are elastically connected by an elastic assembly 43; a plurality of first positioning members 400 and a plurality of second positioning members 410 are respectively arranged on the opposite side surfaces of the first clamping plate 40 and the second clamping plate 41, the first positioning members 400 and the second positioning members 410 correspond to each other one by one and constitute a profiling unit matching the shape of the iron core monomer;

[0043] The processing table 1 is provided with a material transfer robot 12, a visual inspection and coding component 13 and a material discharging fixture 14; the material transfer robot 12 is used to sequentially transfer the iron core after assembling the upper frame and the lower frame to the visual inspection and coding component 13, the iron core secondary spacing adjustment component 9 and the material discharging fixture 14;

[0044] A row of core monomers is loaded onto the clamping assembly 4, and the distance adjustment unit 42 operates to control the first clamping plate 40 and the second clamping plate 41 to open and close once, and each core monomer is clamped by a first positioning member 400 and a second positioning member 410; the indexing plate 3 rotates to drive the clamping assembly 4 to move above the core positioning seat 20, and the distance adjustment unit 42 operates to control the first clamping plate 40 and the second clamping plate 41 to open and close once, releasing the clamping of the core monomer, and the core monomer falls into the core positioning seat 20 for positioning; the clamping unit 50 of the upper skeleton press-fitting module 5 clamps the upper skeleton in batches from the upper skeleton receiving assembly 6, and the transverse movement unit 52 (which can be a cylinder, a screw rod, etc.) drives the clamping unit 50 to move above the clamping assembly 4, and the indexing plate 3 The first clamping plate 40 and the second clamping plate 41 are opened and closed once, and the clamping assembly 4 clamps the upper frame; the clamping unit 50 releases the clamping of the upper frame, and the indexing plate 3 moves downward to drive the clamping assembly 4 downward. The second clamping plate 41 elastically clamps the upper frame under the action of the elastic assembly 43 (relying on this special elastic clamping structure, it can well ensure that the subsequent press-fitting can be completed in the state where the upper frame is clamped). The pressing unit 51 of the upper frame press-fitting module 5 moves downward and press-fits the upper frame and the iron core monomer under the guidance of the profiling unit to obtain a first assembly after press-fitting; the clamping unit of the lower frame press-fitting module 7 clamps the lower frame in batches from the lower frame receiving assembly, and the lateral movement unit (belonging to The lower frame press-fitting module 7) drives the clamping unit to move to the top of the lower frame positioning seat, the clamping unit (belonging to the lower frame press-fitting module 7) releases the clamping of the lower frame, and the lower frame falls into the lower frame positioning seat 21 for positioning; the clamping component 4 clamps the first assembly, the dividing plate 3 drives the clamping component 4 upward, the first assembly is separated from the iron core positioning seat 20, and the dividing plate 3 drives the clamping component 4 to rotate to the top of the lower frame positioning seat 21; the dividing plate 3 drives the clamping component 4 downward, and the second clamping plate 41 elastically clamps the first assembly under the action of the elastic component 43 (relying on this special elastic clamping structure, it can be well ensured that the subsequent press-fitting can be completed in the state where the first assembly is clamped). The first assembly is press-fitted with the lower frame to obtain the second assembly; the dividing plate 3 drives the clamping assembly 4 upward, and the dividing plate 3 drives the clamping assembly 4 to rotate to the discharge position; the material transfer robot 12 transfers the second assembly after assembling the upper frame and the lower frame to the visual inspection and coding assembly 13 for visual inspection and coding of qualified products, and the material transfer robot 12 transfers the coded second assembly to the iron core secondary distance adjustment assembly 9 for grouping and distance adjustment, and the material transfer robot 12 transfers the second assembly on the secondary distance adjustment assembly to the discharge fixture 14; by applying the method of the present application, the loading and pressing operations of the upper and lower frames, as well as the subsequent inspection, coding and grouping distance adjustment operations can be completed in batches, which can greatly improve the processing efficiency.

[0045] Preferably, the mounting frame includes a bottom plate 44, a fixed plate 440 is provided on the bottom plate 44, a plurality of first guide posts 441 are transversely penetrated on the fixed plate 440, one end of the first guide post 441 is connected to the first clamping plate 40, and the other end of the first guide post 441 is connected to the driving end of the distance adjustment unit 42; a first guide sleeve 442 is movably sleeved on the first guide post 441, and the mounting frame also includes a movable plate 443 fixedly connected to the plurality of first guide sleeves 442, a plurality of second guide posts 444 are fixed on the movable plate 443, a second guide sleeve 445 cooperating with the second guide post 444 is penetrated on the fixed plate 440, and one end of the second guide post 444 away from the movable plate 443 is connected to the second clamping plate 4 1 fixed connection; the elastic component 43 elastically connects the second clamping plate 41 and the fixed plate 440; a bracket 446 is fixed on the bottom plate 44, a cylinder mounting plate 447 is provided on the bracket 446, a cylinder (i.e., the distance adjustment unit 42) is provided on the cylinder mounting plate 447, and a connecting plate 448 passing through the cylinder mounting plate is provided on the movable end of the cylinder, and the connecting plate 448 is connected to a plurality of first guide pillars 441; a limiting bolt 4430 for limiting the distance between the movable plate 443 and the fixed plate 440 is provided; the elastic component 43 includes two springs respectively located at the two ends of the second clamping plate 41, one end of the spring is connected to the second clamping plate 41, and the other end is connected to the fixed plate 440;

[0046] With this structural design, the bottom plate 44 and the fixed plate 440 are used as the base. During operation, the cylinder drives the multiple first guide pillars 441 to move through the connecting plate 448, and drives the first clamping plate 40 to move under the guidance of the first guide sleeve 442, so as to adjust the distance between the first clamping plate 40 and the second clamping plate 42; the second clamping plate 41 and the fixed plate 440 rely on the cooperation of the second guide pillar 444 and the second guide sleeve 445 to maintain relative sliding, and rely on two springs to achieve elastic movement. At the same time, the movable plate 443 is not only used to connect the multiple second guide pillars 444 to improve stability, but also the movable plate 443 is also provided with multiple first guide sleeves 442, which can greatly improve the activity stability of the first clamping plate 40 and the parallelism between the first clamping plate 40 and the second clamping plate 41. The above-mentioned interactive cooperation relationship provides reliable guarantee for the clamping and elastic activity of the first positioning member 400 and the second positioning member 410.

[0047] Preferably, the first positioning member 400 includes a first base 4000 fixedly connected to the first clamping plate 40, a first protrusion 4001 is provided on the side of the first base 4000 facing the second clamping plate 41, and first guide grooves 4002 are formed on both sides of the first protrusion 4001; the second positioning member 410 includes a second base 4100 fixedly connected to the second clamping plate 41, a second protrusion 4101 is provided on the side of the second base 4100 facing the first clamping plate 40, and second guide grooves 4102 are formed on both sides of the second protrusion 4101; the first protrusion 4001, the second protrusion 4101 and the two second guide grooves 4102 are combined to form a contoured unit matching the shape of the iron core monomer; the structure is simple and the design is reasonable, and it can provide a good guiding effect on the installation of the upper frame.

[0048] Preferably, the upper skeleton material receiving assembly 6 has the same structure as the lower skeleton material receiving assembly 7; the upper skeleton material receiving assembly 6 is taken as an example to explain as follows: the upper skeleton material receiving assembly 6 includes a material receiving conveyor belt 60 and a limiting plate assembly 61 located on the peripheral side of the material receiving conveyor belt, and the limiting plate assembly 61 is formed with a long limiting groove consistent with the length direction of the material receiving conveyor belt; the upper skeleton supplied by the first feeding unit 10 will enter the material receiving conveyor belt 60 after being discharged from the discharge port, and will be driven by the material receiving conveyor belt 60 to move along the limiting groove, and when a sufficient number of upper skeletons are arranged in the limiting groove, they can be taken away by the corresponding clamping unit.

[0049] Preferably, the clamping unit 50 includes a clamping head mounting plate 500, on which a plurality of clamping cylinders 501 are arranged side by side, a clamping rod 502 is arranged on the clamping head mounting plate 500, a clamping arm 503 is arranged at the movable end of the clamping cylinder 501, and the clamping rod 502 cooperates with the plurality of clamping arms 503 to complete the clamping action; the pressing unit 51 includes a pressing frame 510, on which a press 511 is arranged, and the movable end of the press 511 is fixedly connected to the clamping head mounting plate 500; the clamping arm 503 is L-shaped and its lower surface is flush with the lower surface of the clamping rod 502, and the lower surface of the clamping arm 503 and the lower surface of the clamping rod 502 are combined to form a pressing plane of the pressing unit 51;

[0050] Relying on the transverse movement unit 52 and the pressing unit 51, the clamping head mounting plate 500 can be driven to complete the transverse movement and lifting and lowering material picking actions. At the same time, by utilizing this special clamping arm structure, the clamping rod 502 can arrange the clamped material as a whole, and the lower surface of the clamping arm 503 and the lower surface of the clamping rod 502 are combined to form the pressing plane of the pressing unit 51, and the clamping components also participate in the pressing operation, which can greatly enrich the functions while simplifying the structure and reducing costs.

[0051] A core skeleton assembly method, using the core skeleton assembly machine as described above, wherein the method comprises the steps of:

[0052] Load a row of core monomers onto the clamping assembly, and the spacing unit operates to control the first clamping plate and the second clamping plate to open and close once, and each core monomer is clamped by a first positioning member and a second positioning member;

[0053] The indexing plate rotates to drive the clamping assembly to move above the core positioning seat, and the spacing unit operates to control the first clamping plate and the second clamping plate to open and close once, thereby releasing the clamping of the core monomer, and the core monomer falls into the core positioning seat for positioning;

[0054] The clamping unit of the upper frame press-fitting module clamps the upper frame in batches from the upper frame receiving assembly, the traverse unit drives the clamping unit to move above the clamping assembly, the indexing plate moves upward to drive the clamping assembly upward, the distance adjustment unit operates to control the first clamping plate and the second clamping plate to open and close once, and the clamping assembly clamps the upper frame;

[0055] The clamping unit releases the clamping of the upper frame, the indexing plate moves downward to drive the clamping assembly downward, the second clamping plate elastically clamps the upper frame under the action of the elastic assembly, the pressing unit of the upper frame press-fitting module moves downward and press-fits the upper frame and the core monomer under the guidance of the profiling unit, and the first assembly is obtained after press-fitting;

[0056] The clamping unit of the lower frame press assembly module clamps the lower frames in batches from the lower frame receiving assembly, and the transverse movement unit drives the clamping unit to move to the top of the lower frame positioning seat, and the clamping unit releases the clamping of the lower frame, and the lower frame falls into the lower frame positioning seat for positioning;

[0057] The clamping assembly clamps the first assembly, the indexing plate drives the clamping assembly upward, the first assembly is separated from the core positioning seat, and the indexing plate drives the clamping assembly to rotate above the lower frame positioning seat;

[0058] The indexing plate drives the clamping assembly downward, and the second clamping plate elastically clamps the first assembly under the action of the elastic assembly, and the pressing unit of the lower frame press-fitting module presses the first assembly and the lower frame to obtain the second assembly;

[0059] The indexing plate drives the clamping assembly upward, and the indexing plate drives the clamping assembly to rotate to the discharge position. The material transfer robot transfers the second assembly after assembling the upper frame and the lower frame to the visual inspection and coding assembly for visual inspection and coding of qualified products. The material transfer robot transfers the coded second assembly to the core secondary distance adjustment assembly for grouping and distance adjustment. The material transfer robot transfers the second assembly on the secondary distance adjustment assembly to the discharge fixture;

[0060] By applying the method of the present application, the loading and pressing operations of the upper and lower frames, as well as the subsequent inspection, coding and grouping distance adjustment operations can be completed in batches, which can greatly improve the processing efficiency.

[0061] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A core secondary pitch adjustment assembly, characterized in that: The cam is configured to move the load bearing cap on the support frame, wherein the first and second load bearing caps are configured to move the load bearing caps on the support frame, wherein the first and second load bearing caps are configured to move the load bearing caps on the support frame.

2. The core secondary pitch adjustment assembly according to claim 1, characterized in that: The first material carrier includes a material carrier plate, on which a sliding plate and a plurality of support plates for supporting the sliding plate are arranged; the sliding plate is provided with a third slide rail for slidably connecting the first positioning seat and the third positioning seat, and a fourth slide rail for slidably connecting the second positioning seat and the fourth positioning seat, the adjustment unit includes a driving cylinder arranged on the lower surface of the sliding plate, the driving cylinder includes two driving arms and the two driving arms are respectively fixedly connected to the first positioning seat and the fourth positioning seat; a slot for the driving arm to pass through is arranged on the sliding plate between the third slide rail and the fourth slide rail.

3. The core secondary pitch adjustment assembly according to claim 1, characterized in that: The first connecting rod assembly, the second connecting rod assembly and the third connecting rod assembly have the same structure; the first connecting rod assembly includes a connecting cross bar, one end of which is provided with a first connecting screw, and the other end is provided with a second connecting screw and a movable groove that cooperates with the second connecting screw.

4. A core skeleton assembly machine, characterized in that: It includes a processing table, on which is arranged a secondary spacing adjustment assembly of the core as described in any one of claims 1 to 3; a press-fitting platform is arranged on the processing table, on which is arranged a dividing plate which can be raised and lowered and rotated; a core positioning seat and a lower frame positioning seat are arranged on the press-fitting platform, on which is arranged a clamping assembly; an upper frame press-fitting module, an upper frame receiving assembly, a lower frame press-fitting module and a lower frame receiving assembly are arranged on the processing table, a first feeding unit for supplying an upper frame to the upper frame receiving assembly is arranged on one side of the processing table, and a second feeding unit for supplying a lower frame to the lower frame receiving assembly is arranged on the other side of the processing table; the upper frame press-fitting module and the lower frame press-fitting module have the same structure, and the upper frame The press-fitting module comprises a clamping unit for clamping the upper frame in batches from the upper frame receiving assembly, a pressing unit for pressing the upper frame in batches, and a lateral movement unit for driving the clamping unit and the pressing unit to move lateraly; the clamping assembly comprises a mounting frame, on which a first clamping plate, a second clamping plate and a distance adjustment unit are arranged, the distance adjustment unit is used to drive the first clamping plate to move so as to change the distance between the first clamping plate and the second clamping plate, the first clamping plate and the second clamping plate being elastically connected via an elastic assembly; a plurality of first positioning members and a plurality of second positioning members are respectively arranged on the surfaces of the opposite sides of the first clamping plate and the second clamping plate, the first positioning members and the second positioning members correspond one to one and constitute a profiling unit matching the shape of the core monomer; The processing table is provided with a material transfer robot, a visual inspection and coding component and a material discharging fixture; the material transfer robot is used to transfer the iron core after assembling the upper frame and the lower frame to the visual inspection and coding component, the iron core secondary spacing adjustment component and the material discharging fixture in sequence.

5. The core skeleton assembly machine according to claim 4, characterized in that: The mounting frame includes a base plate, a fixed plate is arranged on the base plate, a plurality of first guide posts are transversely passed through the fixed plate, one end of the first guide post is connected to the first clamping plate, and the other end of the first guide post is connected to the driving end of the distance adjustment unit; a first guide sleeve is movably sleeved on the first guide post, and the mounting frame also includes a movable plate fixedly connected to the plurality of first guide sleeves, a plurality of second guide posts are fixed on the movable plate, a second guide sleeve cooperating with the second guide post is passed through the fixed plate, and one end of the second guide post away from the movable plate is fixedly connected to the second clamping plate; the elastic component elastically connects the second clamping plate and the fixed plate.

6. The core skeleton assembly machine according to claim 5, characterized in that: A bracket is fixed on the base plate, a cylinder mounting plate is arranged on the bracket, a cylinder is arranged on the cylinder mounting plate, a connecting plate is arranged at the movable end of the cylinder, and the connecting plate is connected to a plurality of the first guide columns; a limiting bolt for limiting the distance between the movable plate and the fixed plate is arranged; the elastic component includes two springs respectively located at the two ends of the second clamping plate, one end of the spring is connected to the second clamping plate, and the other end is connected to the fixed plate.

7. The core skeleton assembly machine according to claim 6, characterized in that: The first positioning member includes a first base fixedly connected to the first clamping plate, a first protrusion is provided on the side of the first base facing the second clamping plate, and first guide grooves are formed on both sides of the first protrusion; the second positioning member includes a second base fixedly connected to the second clamping plate, a second protrusion is provided on the side of the second base facing the first clamping plate, and second guide grooves are formed on both sides of the second protrusion; the first protrusion, the second protrusion and the two second guide grooves are combined to form a contoured unit matching the shape of the core monomer.

8. The core skeleton assembly machine according to claim 4, characterized in that: The upper skeleton material connection assembly has the same structure as the lower skeleton material connection assembly; the upper skeleton material connection assembly includes a material connection conveyor belt and a limiting plate assembly located on the periphery of the material connection conveyor belt, and the limiting plate assembly is formed with a long limiting groove consistent with the length direction of the material connection conveyor belt.

9. The core skeleton assembly machine according to claim 4, characterized in that: The clamping unit includes a chuck mounting plate, on which a plurality of clamping cylinders are arranged side by side, a clamping rod is arranged on the chuck mounting plate, a clamping arm is arranged at the movable end of the clamping cylinder, and the clamping rod cooperates with the plurality of clamping arms to complete the clamping action; the pressing unit includes a pressing frame, on which a press is arranged, and the movable end of the press is fixedly connected to the chuck mounting plate; the clamping arm is L-shaped and its lower surface is flush with the lower surface of the clamping rod, and the lower surface of the clamping arm and the lower surface of the clamping rod are combined to form a pressing plane of the pressing unit.

10. A core skeleton assembly method, using the core skeleton assembly machine as described in any one of claims 4 to 9, characterized in that: The method comprises the steps of: Load a row of core monomers onto the clamping assembly, and the spacing unit operates to control the first clamping plate and the second clamping plate to open and close once, and each core monomer is clamped by a first positioning member and a second positioning member; The indexing plate rotates to drive the clamping assembly to move above the core positioning seat, and the spacing unit operates to control the first clamping plate and the second clamping plate to open and close once, thereby releasing the clamping of the core monomer, and the core monomer falls into the core positioning seat for positioning; The clamping unit of the upper frame press-fitting module clamps the upper frame in batches from the upper frame receiving assembly, the traverse unit drives the clamping unit to move above the clamping assembly, the indexing plate moves upward to drive the clamping assembly upward, the distance adjustment unit operates to control the first clamping plate and the second clamping plate to open and close once, and the clamping assembly clamps the upper frame; The clamping unit releases the clamping of the upper frame, the indexing plate moves downward to drive the clamping assembly downward, the second clamping plate elastically clamps the upper frame under the action of the elastic assembly, the pressing unit of the upper frame press-fitting module moves downward and press-fits the upper frame and the core monomer under the guidance of the profiling unit, and the first assembly is obtained after press-fitting; The clamping unit of the lower frame press assembly module clamps the lower frames in batches from the lower frame receiving assembly, and the transverse movement unit drives the clamping unit to move to the top of the lower frame positioning seat, and the clamping unit releases the clamping of the lower frame, and the lower frame falls into the lower frame positioning seat for positioning; The clamping assembly clamps the first assembly, the indexing plate drives the clamping assembly upward, the first assembly is separated from the core positioning seat, and the indexing plate drives the clamping assembly to rotate above the lower frame positioning seat; The indexing plate drives the clamping assembly downward, and the second clamping plate elastically clamps the first assembly under the action of the elastic assembly, and the pressing unit of the lower frame press-fitting module presses the first assembly and the lower frame to obtain the second assembly; The dividing plate drives the clamping assembly upward, and the dividing plate drives the clamping assembly to rotate to the discharging position. The material transfer robot transfers the second assembly after assembling the upper frame and the lower frame to the visual inspection and coding assembly for visual inspection and coding of qualified products. The material transfer robot transfers the coded second assembly to the iron core secondary distance adjustment assembly for grouping and distance adjustment. The material transfer robot transfers the second assembly on the secondary distance adjustment assembly to the discharging fixture.

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