Rotor head twisting die and novel automatic armature head twisting machine

Abstract

The utility model discloses a rotor twisting die and a novel automatic armature twisting machine, belonging to the technical field of motor rotor processing, the rotor twisting die comprises a die holder, a base, a rotating disc, a positioning sleeve, an outer die sector gear and an inner die sector gear, the base is arranged on the die holder, the rotating disc is arranged on the base, a first shifting fork is arranged on the rotating disc, and a second shifting fork is arranged on the inner die sector gear. A second shifting fork is arranged on the base, and an inner mold core is arranged on the base; the base is provided with an outer sleeve, the positioning sleeve is arranged at the top of the outer sleeve, the die holder is provided with an outer die rotating sleeve and an inner die rotating sleeve, the outer die sector gear is fixedly connected with the outer die rotating sleeve, and the inner die sector gear is fixedly connected with the inner die rotating sleeve; a spiral groove is formed in the outer wall of the outer mold rotating sleeve, and an outer shaft pin arranged on the mold base extends into the spiral groove. According to the utility model, a follow-up mechanism does not need to be additionally arranged on equipment, and the effect of twisting and moving at the same time can be achieved when the twisting head works, so that the structure of the equipment is simpler.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor rotor processing technical field, concretely relates to a rotor head twisting mould and novel automatic armature head twisting machine. BACKGROUND

[0002] The rotor is the motor that adopts round copper line or flat copper line winding, first makes the winding into the shape like hairpin, wears into the rotor slot, then welds up the hairpin end at the other end. When the copper line is directly inserted into the rotor, the phase of the two adjacent copper lines in the radial direction is staggered, so it is necessary to twist the copper line to a certain angle before welding, so that the phase of the two copper lines at each welding point is correct, and they can be welded together. In the twisting process, the distance from the copper line vertex to the rotor end face is constantly decreasing, at this time the whole head twisting mould needs to move in the direction of shortening with the copper line, otherwise the depth of the copper line into the mould is not enough, which affects the head twisting effect, and it may be separated from the head twisting mould; the traditional head twisting equipment reaches the follow-up effect by additionally increasing the follow-up mechanism, but this way makes the equipment structure complex, the transmission mode unreliable, and the production cost increased, which has no market competitiveness. SUMMARY

[0003] The main purpose of the utility model is to solve the above-mentioned technical problems to a certain extent, and a rotor head twisting mould and a novel automatic armature head twisting machine are provided, which can achieve the effect of twisting and moving at the same time without additional follow-up mechanism on the equipment, make the equipment structure simpler, reduce the production cost, and have more competitiveness in the market.

[0004] The above-mentioned problems solved by the utility model are realized through the following technical schemes:

[0005] On the one hand, a rotor head twisting mould is provided, which comprises a mould base, a base, a rotating disc, a positioning sleeve, an outer mould sector gear and an inner mould sector gear, the base is arranged on the mould base, the rotating disc is movably arranged on the base, a first puller is arranged on the rotating disc, a second puller is arranged on the base and connected with the rotating disc in transmission, and an inner mould core is coaxially arranged on the base and the rotating disc;

[0006] The base covers the rotating disc and is provided with an outer sleeve, the positioning sleeve is arranged on the top of the outer sleeve, the lower end of the mould base is provided with an outer mould rotating sleeve and an inner mould rotating sleeve, the outer mould sector gear is fixedly connected with the outer mould rotating sleeve, the inner mould sector gear is fixedly connected with the inner mould rotating sleeve, a head twisting outer mould is connected with the outer mould rotating sleeve, and a head twisting inner mould is connected with the inner mould rotating sleeve; a spiral groove is arranged on the outer wall of the outer mould rotating sleeve, an outer shaft pin arranged on the mould base extends into the spiral groove, and a shaft pin rotating sleeve is arranged at the position of the outer shaft pin in the spiral groove.

[0007] In some embodiments, the inner mold sleeve, the head twisting inner mold, the base and the rotating disc are coaxial with a hollow slot, and a ejection sleeve rod is arranged in the hollow slot, and the upper end of the ejection sleeve rod can extend into the positioning sleeve.

[0008] In some embodiments, the outer sleeve is provided with a cutout at the position where the first fork extends.

[0009] In another aspect, a new automatic armature head twisting machine is provided, which comprises a rack, a first servo cylinder, a second servo cylinder, a mounting frame and the rotor head twisting mold, the mounting frame is arranged on the rack, the rotor head twisting mold is arranged on the mounting frame, the first fork of the rotor head twisting mold is in transmission connection with the plug-in cylinder arranged on the mounting frame, the first servo cylinder is arranged on the rack and in transmission connection with the outer mold sector gear of the rotor head twisting mold, and the second servo cylinder is arranged on the rack and in transmission connection with the inner mold sector gear of the rotor head twisting mold.

[0010] In some embodiments, the output end of the first servo cylinder is fixedly provided with an outer mold movable rack, and the outer mold movable rack is in meshing transmission connection with the outer mold sector gear.

[0011] In some embodiments, the output end of the second servo cylinder is fixedly provided with an inner mold movable rack, and the inner mold movable rack is in meshing transmission connection with the inner mold sector gear.

[0012] In some embodiments, the rack is provided with a jacking cylinder below the rotor head twisting mold, and the jacking cylinder is in transmission connection with the ejection sleeve rod of the rotor head twisting mold.

[0013] In some embodiments, the rack is provided with a support frame near the rotor head twisting mold, and the support frame is provided with a pressing mechanism opposite the positioning sleeve of the rotor head twisting mold.

[0014] Compared with the prior art, the above technical scheme provided by the present application has the following advantages:

[0015] The outer wall of the outer mold sleeve is provided with a spiral groove, and the outer shaft pin arranged on the mold base extends into the spiral groove, so that the outer mold sector gear and the inner mold sector gear are driven to move within the range of the spiral groove, realizing the effect of twisting the head while ascending and descending along the spiral groove on the circumference, and the first servo cylinder and the second servo cylinder are used to drive the outer mold sector gear and the inner mold sector gear to move, so that the twisting angle and the twisting speed can be accurately controlled, the speed can be adjusted according to the needs, the required rhythm can be achieved, the effect of twisting while moving can be achieved during the head twisting work without additional follow-up mechanism on the equipment, the structure of the equipment is simpler, the production cost is reduced, and the equipment has more competitiveness in the market. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in these drawings without creative labor.

[0017] Figure 1 It is a structural diagram of the automatic armature head twisting machine of the present application.

[0018] Figure 2 It is a partial enlarged view of A in the figure. Figure 1

[0019] Figure 3 It is a top view of the insulation paper protection mechanism of the present application.

[0020] Figure 4 It is a structural diagram of the rotor head twisting die of the present application.

[0021] Figure 5 It is a sectional view of A-A in the figure. Figure 4

[0022] Figure 6 It is a structural diagram of the rotor head twisting die of the present application.

[0023] Explanation of the reference numerals in the drawings:

[0024] 1-frame; 2-first servo cylinder; 3-second servo cylinder; 4-mounting frame; 5-rotor head twisting die; 501-die seat; 502-base; 503-rotating disc; 504-positioning sleeve; 505-outer die sector gear; 506-inner die sector gear; 507-first pull fork; 508-second pull fork; 509-inner die core; 510-outer sleeve; 511-outer die rotating sleeve; 512-inner die rotating sleeve; 513-head twisting outer die; 514-head twisting inner die; 515-spiral groove; 516-outer shaft pin; 517-shaft pin rotating sleeve; 6-insertion piece air cylinder; 7-outer die movable rack; 8-inner die movable rack; 9-ejecting sleeve rod; 10-lifting air cylinder; 11-supporting frame; 12-pressing air cylinder; 13-pressing head. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. ​​

[0026] It should be noted that if the embodiment of the utility model has directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture, if the specific posture changes, then the directionality indication also changes accordingly.

[0027] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that the person skilled in the art can realize it, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0028] As shown in Figures 1-3 The utility model provides a novel automatic armature twist head machine, including frame 1, first servo electric jar 2, second servo electric jar 3, mounting bracket 4 and rotor twist head mould 5, mounting bracket 4 is located in frame 1, referring to Figures 4-6 The rotor twist head mould 5 includes mould seat 501, base 502, rotating disc 503, positioning sleeve 504, outer mould sector gear 505 and inner mould sector gear 506, the mould seat 501 is fixed on mounting bracket 4 by bolt, the base 502 is located in mould seat 501, the rotating disc 503 is movably arranged on base 502, and the first pull fork 507 is arranged on the rotating disc 503, the inserted sheet air cylinder 6 arranged on mounting bracket 4 is in transmission connection with the first pull fork 507 of rotor twist head mould 5, the second pull fork 508 in transmission connection with rotating disc 503 is arranged on base 502, and the inner mould core 509 is coaxially arranged on base 502 and rotating disc 503.

[0029] The base 502 covers the rotating disk 503 and is provided with an outer sleeve 510. The outer sleeve 510 has a cut at the part where the first shift fork 507 extends. The insert cylinder 6 is connected to the part where the first shift fork 507 extends and is driven by the insert cylinder 6 to move within the range of the cut. The positioning sleeve 504 is provided on the top of the outer sleeve 510. The lower end of the mold base 501 is provided with an outer mold rotating sleeve 511 and an inner mold rotating sleeve 512. The outer mold sector gear 505 is fixedly connected to the outer mold rotating sleeve 511, and the inner mold sector gear 506 is fixedly connected to the inner mold rotating sleeve 512. The outer mold rotating sleeve 511 is connected with a twisting outer mold 513, and the inner mold rotating sleeve 512 is connected with a twisting inner mold 514. The outer wall of the outer mold rotating sleeve 511 is provided with a spiral groove 515. The outer shaft pin 516 provided on the mold base 501 extends into the spiral groove 515, and a shaft pin rotating sleeve 517 is provided at the part where the outer shaft pin 516 is placed in the spiral groove 515.

[0030] The first servo cylinder 2 is mounted on the frame 1. The output end of the first servo cylinder 2 is fixed with an outer mold movable rack 7, which meshes with the outer mold sector gear 505 for transmission. The second servo cylinder 3 is mounted on the frame 1. The output end of the second servo cylinder 3 is fixed with an inner mold movable rack 8, which meshes with the inner mold sector gear 506 for transmission. By providing a spiral groove 515 on the outer wall of the outer mold rotating sleeve 511, and by having an outer shaft pin 516 on the mold base 501 extend into the spiral groove 515, the outer mold sector gear 505 and the inner mold sector gear 506 are driven to move within the range of the spiral groove 515, achieving the effect of turning the head while moving up and down with the spiral groove 515 on the circumference.

[0031] Furthermore, refer to Figure 5 As shown, the inner mold rotating sleeve 512, the inner mold of the twisting head 514, the base and the rotating disk 503 are coaxially provided with a slot, and an ejector sleeve 9 is provided in the slot. The upper end of the ejector sleeve 9 can extend into the positioning sleeve 504. The frame 1 is provided with a lifting cylinder 10 located below the rotor twisting head mold 5. The lifting cylinder 10 is connected to the ejector sleeve 9 through transmission. The ejector sleeve 9 is driven to move up and down by the lifting cylinder 10. At the same time, the frame 1 is provided with a support frame 11 near the rotor twisting head mold 5. The support frame 11 is provided with a clamping mechanism facing the positioning sleeve 504 of the rotor twisting head mold 5. The clamping mechanism adopts a clamping cylinder 12, and a clamping head 13 is provided at the output end of the clamping cylinder 12.

[0032] In use, first, the cylinder to be twisted is installed on the rotor twisting die 5 and placed in alignment with the positioning sleeve 504, the twisting machine is started, the output end of the pressing cylinder 12 drives the pressing head 13 to move downward, the pressing head 13 is pressed downward in alignment with the positioning sleeve 504 and presses the cylinder placed on the rotor twisting die 5, the output end of the insert cylinder 6 drives the first pull fork 507 to rotate, the first pull fork 507 drives the rotating disc 503 to rotate, the rotating disc 503 drives the second pull fork 508 to rotate, the second pull fork 508 cooperates with the inner die core 509 to protect the cylinder, then the first servo cylinder 2 and the second servo cylinder 3 respectively drive the outer die movable rack 7 and the inner die movable rack 8 to move, and drive the outer die movable rack 7 to drive the outer die sector gear 505 to rotate and the inner die movable rack 8 to drive the inner die sector gear 506 to rotate through the meshing connection, the outer die sector gear 505 drives the outer die rotating sleeve 511 and the twisting outer die 513 to rotate, and the inner die sector gear 506 drives the inner die rotating sleeve 512 and the twisting inner die 514 to rotate, so that the cylinder is twisted, the servo cylinder drive can accurately control the twisting angle and the twisting speed, and the speed can be adjusted according to the requirement to achieve the required rhythm, without additional follow-up mechanism on the equipment, the effect of moving while twisting can be achieved during the twisting work, the equipment structure is simpler, the production cost is reduced, and the equipment has more competitiveness in the market.

[0033] When the twisting work is completed, the first servo cylinder 2 and the second servo cylinder 3 drive the outer die movable rack 7 and the inner die movable rack 8 to retreat, the insert cylinder 6 drives the first pull fork 507 to retreat, the first pull fork 507 reversely drives the rotating disc 503, then the rotating disc 503 drives the second pull fork 508 to retreat, then the pressing cylinder 12 drives the pressing head 13 to move upward and reset, finally the jacking cylinder 10 drives the ejection sleeve rod 9 to move upward, and the cylinder is ejected from the rotor twisting die 5 to complete the whole work.

[0034] The preferred embodiments are only used to limit the patent range of the utility model, and the equivalent structural transformation made by using the utility model specification and the drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A rotor twist head die characterized by, The utility model relates to a rotor twist head mould, including mould base, base, rotary disc, positioning sleeve, outer mould sector gear and inner mould sector gear, the base is located in the mould base, the rotary disc is movably arranged in the base, and the first puller is arranged on the rotary disc, the second puller is arranged on the base and is in transmission connection with the rotary disc, the base and the rotary disc are coaxial and are provided with inner mould core, The base covers the rotary disc and is provided with an outer sleeve, the positioning sleeve is arranged at the top of the outer sleeve, the lower end of the mould base is provided with an outer mould rotating sleeve and an inner mould rotating sleeve, the outer mould sector gear is fixedly connected with the outer mould rotating sleeve, the inner mould sector gear is fixedly connected with the inner mould rotating sleeve, a twist head outer mould is connected to the outer mould rotating sleeve, and a twist head inner mould is connected to the inner mould rotating sleeve, a spiral groove is formed in the outer wall of the outer mould rotating sleeve, an outer shaft pin arranged on the mould base extends into the spiral groove, and a shaft pin rotating sleeve is arranged at the position of the outer shaft pin in the spiral groove.

2. The rotor twist head mold of claim 1, wherein The inner mould rotating sleeve, the twist head inner mould, the base and the rotary disc are coaxial and are provided with a hollow groove, and an ejection sleeve rod is arranged in the hollow groove, and the upper end of the ejection sleeve rod can extend into the positioning sleeve.

3. The rotor twist head mold of claim 1, wherein A cutout is arranged at the position of the first puller extending out of the outer sleeve.

4. A new type of automatic armature head twisting machine characterized in that, The utility model relates to a rotor twist head mould, including machine frame, first servo cylinder, second servo cylinder, mounting frame and the rotor twist head mould of any one of claims 1-3, the mounting frame is arranged on the machine frame, the rotor twist head mould is arranged on the mounting frame, the first puller of the rotor twist head mould is in transmission connection with the sheet cylinder of the mounting frame, the first servo cylinder is arranged on the machine frame and is in transmission connection with the outer mould sector gear of the rotor twist head mould, and the second servo cylinder is arranged on the machine frame and is in transmission connection with the inner mould sector gear of the rotor twist head mould.

5. The new automatic armature head twisting machine according to claim 4, characterized in that, The output end of the first servo cylinder is fixedly provided with an outer mould movable rack, and the outer mould movable rack is in meshing transmission connection with the outer mould sector gear.

6. The new automatic armature head twisting machine according to claim 4, characterized in that, The output end of the second servo cylinder is fixedly provided with an inner mould movable rack, and the inner mould movable rack is in meshing transmission connection with the inner mould sector gear.

7. The new automatic armature head twisting machine as claimed in claim 4, wherein, A jacking cylinder is arranged below the rotor twist head mould of the machine frame, and the jacking cylinder is in transmission connection with the ejection sleeve rod of the rotor twist head mould.

8. The new automatic armature head twisting machine according to claim 4, characterized in that, A support frame is arranged on the machine frame and close to the rotor twist head mould, and a pressing mechanism is arranged on the support frame and opposite the positioning sleeve of the rotor twist head mould.

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