CN111181326A

CN111181326A - Coreless linear motor winding shaper

Info

Publication number: CN111181326A
Application number: CN201911399227.7A
Authority: CN
Inventors: 鲁男; 杨光; 谢燕敏; 李爱姣; 纪贤强; 刘陆; 李智
Original assignee: Shenzhen Keluonuosi Technology Co ltd
Current assignee: Shenzhen Keluonuosi Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-05-19

Abstract

The invention provides a coreless linear motor winding shaping machine which comprises a rack, a bearing platform, a separation mechanism, a main flat pressing mechanism, a secondary flat pressing mechanism and a side bending mechanism, wherein the bearing platform is arranged on the rack; the bearing platform is arranged in the middle of the frame and comprises a supporting plate and a bearing plate embedded in the supporting plate; the separation mechanism comprises a limiting guide pillar, a compression spring, a mounting plate and a partition plate fixed on the mounting plate, and the partition plate can penetrate out of the bearing plate upwards; the main flat pressing mechanism comprises a transmission guide pillar, a main pressing plate, a first driving device, a vertical pressing plate and a thimble capable of being abutted to the mounting plate; the secondary flat pressing mechanism comprises a secondary pressing plate, a second driving device and a pressing block; the lateral bending mechanism is arranged below the supporting plate and comprises a vertical ejecting plate and a third driving device, wherein the vertical ejecting plate corresponds to the outer side of the vertical pressing plate; and a heating assembly for heating the hot viscose glue of the coil is also arranged. The shaping and fixing of the coil are automatically completed, and the precision, the force and the temperature can be accurately controlled, so that the standardization and the automation of the production of the winding are realized, and the production efficiency and the quality are greatly improved.

Description

Coreless linear motor winding shaper

Technical Field

The invention relates to the technical field of winding shaping equipment of a coreless linear motor, in particular to a hot-sticking type trimmer for three-coil laminated windings.

Background

The coreless motor is a novel special motor representing the future development direction of the motor industry, and is divided into a coreless motor and a coreless generator, and the coreless coil, the carbon brush, the non-magnetic damping and the rare earth permanent magnet electric technology are adopted, so that the traditional motor is changed by applying a silicon steel sheet and winding stator structure and combining an electronic intelligent frequency conversion technology, and the system efficiency of the motor can be improved to more than 95%. However, since the coil winding form of the coreless motor is changed more, the winding manufacturing process is complicated, and it is difficult to form an efficient winding manufacturing automation apparatus.

At present, the winding which is formed by extrusion after three coils are overlapped is more applied, the winding is in a square shape, wherein three coils are overlapped at the end parts of two sides, the thickness of the winding is thicker and is an invalid section 100 of the winding, and all coils in a square area in the middle part are arranged in parallel to form a plane valid section 200; the winding is shaped manually at present, so that the efficiency is low, the process is complex, and the effective section of the winding is easy to deform or damage the protective layer of the winding.

Disclosure of Invention

The invention aims to provide a shaper capable of automatically finishing shaping aiming at a thermal bonding type three-coil superposed winding.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a coreless linear motor winding shaper, comprising:

the device comprises a rack, a positioning device and a control device, wherein the rack comprises a bottom plate, a top plate and a vertical supporting assembly;

the coil bearing device comprises a bearing platform used for bearing a coil, wherein the bearing platform is horizontally fixed in the middle of the rack and comprises a support plate and a bearing plate embedded in the middle of the support plate, and a plurality of parallel slots are formed in the bearing plate;

the separating mechanism is used for separating coils and comprises at least two limiting guide pillars which are vertically and fixedly arranged between the bottom plate and the supporting plate, a compression spring sleeved on the limiting guide pillars, a mounting plate which is movably sleeved on the limiting guide pillars and abutted against the top ends of the compression springs, and a plurality of partition plates which are vertically fixed on the mounting plate and correspond to the slots;

the main flat pressing mechanism comprises a plurality of transmission guide pillars vertically arranged between the top plate and the supporting plate, a main pressing plate in sliding fit with the transmission guide pillars, a first driving device for driving the main pressing plate to lift, two groups of parallel vertical pressing plates fixed on the bottom surface of the main pressing plate, and thimbles which are vertically fixed below the main pressing plate, penetrate through the supporting plate and are movably abutted to the mounting plate;

the secondary flat pressing mechanism comprises a secondary pressing plate, a second driving device and a pressing block, wherein the secondary pressing plate is arranged below the main pressing plate and is in sliding fit with the transmission guide post, the second driving device drives the secondary pressing plate to lift, the pressing block is fixed on the bottom surface of the secondary pressing plate, a first through groove corresponding to the vertical pressing plate is formed in the secondary pressing plate, and the pressing block is located between the two groups of vertical pressing plates;

and a lateral bending mechanism for shaping the two outer side invalid sections of the coil; the lateral bending mechanism is arranged below the supporting plate, comprises two groups of vertical ejecting plates corresponding to the outer sides of the vertical pressing plates and a third driving device for driving the vertical ejecting plates to ascend and descend, and a second through groove corresponding to the vertical ejecting plates is formed in the supporting plate;

one or more of the bearing plate, the vertical pressing plate, the pressing block and the vertical ejecting plate is/are provided with a heating assembly of heating coil hot viscose glue.

In one embodiment, the separator is five evenly spaced pieces.

The heating assembly is arranged on one side of the loading plate, the vertical pressing plate, the pressing block and one side of the vertical ejecting plate, which corresponds to the coil, and the heating assembly is arranged on the portion, which is made of bakelite.

The third driving device comprises a driving oil cylinder and a plurality of linear guide rail pairs, a connecting plate is arranged between the vertical ejection plates, the driving oil cylinder is fixed on the supporting plate, the movable end of the driving oil cylinder is fixed with the connecting plate, and the vertical ejection plates are arranged on the vertical supporting assembly through the linear guide rail pairs.

In one embodiment, baffles are further arranged at two ends of the bearing plate, and the heating assembly is arranged in each baffle.

In one embodiment, the vertical support assembly includes two sets of first side plates located at two ends of the support plate and erected between the support plate and the top plate, and two sets of second side plates located at two sides of the support plate and erected between the support plate and the bottom plate.

In one embodiment, the first driving device and the second driving device are both oil cylinders and are vertically fixed on the top plate.

The beneficial effect of this scheme lies in: the three coils with the thermal adhesive which are wound are separated and stacked between the partition plates of the separating mechanism, the coil positions are fixed, the two sides of the effective section of the coil are flattened through the main flattening mechanism, the invalid sections of the two outer sides of the coil are bent upwards and shaped through the side bending mechanism, the middle of the effective section of the coil is flattened through the secondary flattening mechanism, the partition plates are ejected downwards, the coil is heated to be thermally adhered and fixed, the coil shaping and fixing are automatically completed, the precision, the force and the temperature can be accurately controlled, the standardization and the automation of the production of the winding are realized, and the production efficiency and the quality are greatly improved.

Drawings

The present invention will be described in further detail with reference to the following drawings and specific examples.

FIG. 1 is a schematic diagram of a prior art three-coil stacked winding configuration;

FIG. 2 is a schematic view of the entire mechanism of the shaping machine in the embodiment;

FIG. 3 is a schematic structural diagram of an embodiment of a load-bearing platform;

FIG. 4 is a schematic structural view of a partition mechanism in the embodiment;

FIG. 5 is a schematic view of the installation structure of the main platen mechanism in the embodiment;

FIG. 6 is a schematic view of the mounting structure of the secondary flatting mechanism in the embodiment;

FIG. 7 is a schematic view of the installation structure of the lateral bending mechanism in the embodiment.

Wherein, 100, invalid segment; 200. an active segment; 1. a frame; 11. a base plate; 12. a top plate; 13. a vertical support assembly; 131. a first side plate; 132. a second side plate; 2. a load-bearing platform; 21. a support plate; 22. a carrier plate; 23. a slot; 24. a second through groove; 25. a baffle plate; 31. a limiting guide post; 311. a limiting step part; 32. a compression spring; 33. mounting a plate; 34. a partition plate; 41. a drive guide post; 42. a main pressure plate; 43. a first driving device; 44. a vertical pressing plate; 45. a thimble; 51. a secondary pressing plate; 52. a second driving device; 53. briquetting; 54. a first through groove; 61. a vertical ejector plate; 62. a third driving device; 621. a driving oil cylinder; 622. a linear guide rail pair; 63. a connecting plate.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

referring to fig. 1, an overall structure of a coreless linear motor winding shaper (one side of a first side plate and a second side plate is hidden for convenience of showing an internal structure) is shown, the shaper is used for extruding, shaping and fixing three coils with hot glue and integral multiple of the three coils after the coils are stacked, and the shaper comprises:

the machine frame 1 comprises a bottom plate 11, a top plate 12 and a vertical supporting assembly 13.

The coil bearing platform 2 is used for bearing coils, the bearing platform 2 is horizontally fixed in the middle of the rack 1, namely, the bearing platform 2 is parallel to the bottom plate 11 and the top plate 12, the bearing platform 2 comprises a supporting plate 21 and a bearing plate 22 embedded in the middle of the supporting plate 21, and a plurality of parallel slots 23 are formed in the bearing plate 22.

The separating mechanism for separating the coils comprises at least two limiting guide posts 31 vertically and fixedly arranged between the bottom plate 11 and the supporting plate 21, a compression spring 32 sleeved on the limiting guide posts 31, a mounting plate 33 movably sleeved on the limiting guide posts 31 and abutted against the top ends of the compression spring 32, and a plurality of separating plates 34 vertically fixed on the mounting plate 33 and corresponding to the slots 23. One end of the limiting guide post 31 can be fixed on the bottom plate 11 or the support plate 21, or both ends can be fixed between the bottom plate 11 and the support plate 21; according to the lifting amplitude of the mounting plate 33, a limiting step part 311 for limiting the bottom end of the compression spring 32 can be further arranged on the limiting guide post 31, so that the length of the compression spring 32 is saved. The number of said spacers 34 is generally determined by the number of coils comprised by the winding, which is generally three or an integer multiple of three, and each coil comprises two groups of active segments, i.e. spacers 34 are used to separate two adjacent groups of active segments.

The main flat pressing mechanism for shaping the two side edges of the effective section of the coil comprises a plurality of transmission guide columns 41 vertically arranged between the top plate 12 and the support plate 21, a main pressing plate 42 in sliding fit with the transmission guide columns 41, a first driving device 43 for driving the main pressing plate 42 to ascend and descend, two groups of parallel vertical pressing plates 44 fixed on the bottom surface of the main pressing plate 42, and ejector pins 45 vertically fixed below the main pressing plate 42, penetrating through the support plate 21 and movably abutted against the mounting plate 33. The driving guide posts 41 generally include four sets disposed at four corners of the supporting plate 21 for driving and balancing. The main pressure plate 42 is assembled on the transmission guide post 41 through a guide sleeve, and the main pressure plate 42 is arranged in parallel with the support plate 21; the first driving device 43 is preferably an oil cylinder, which has a simple structure and large force; of course, mechanisms such as an air cylinder or a motor can be adopted, and when the motor is adopted, a corresponding transmission mechanism needs to be arranged, but the specific structure and the installation mode are conventional technologies in the field, and are not described in detail, and when the air cylinder or the motor is adopted, the driving force is smaller than that of the oil cylinder. The vertical pressing plates 44 are used for shaping two side edges of the active section of the winding, and each partition plate 34 corresponds to a spacing area between two groups of the vertical pressing plates 44.

The secondary flat pressing mechanism for shaping the middle part of the effective section of the coil comprises a secondary pressing plate 51 arranged below the main pressing plate 42 and in sliding fit with the transmission guide post 41, a second driving device 52 for driving the secondary pressing plate 51 to ascend and descend, and a pressing block 53 fixed on the bottom surface of the secondary pressing plate 51, wherein a first through groove 54 corresponding to the vertical pressing plate 44 is arranged on the secondary pressing plate 51, and the pressing block 53 is positioned between the two groups of vertical pressing plates 44. The secondary pressing plate 51 is assembled on the transmission guide post 41 through a guide sleeve, and the secondary pressing plate 51 is arranged in parallel with the support plate 21; the second driving device 52 is preferably a cylinder, in the same manner as the first driving device 43. The pressing pieces 53 correspond to the upper portions of the respective separators 34. The first through slot 54 is used for the vertical pressing plate 44 to pass through. In addition, the secondary pressing plate 51 further has a through hole for the thimble 45 to pass through.

And a lateral bending mechanism for shaping the two outer side invalid sections of the coil; the lateral bending mechanism is arranged below the supporting plate 21 and comprises two groups of vertical ejecting plates 61 corresponding to the outer sides of the vertical pressing plates 44 and a third driving device 62 for driving the vertical ejecting plates 61 to ascend and descend, and second through grooves 24 corresponding to the vertical ejecting plates 61 are formed in the supporting plate 21. The third driving device 62, like the first driving device 43 and the second driving device 52, can be driven by an oil cylinder, an air cylinder or a motor. The second through groove 24 is used for the vertical ejection plate 61 to pass through.

One or more of the bearing plate 22, the vertical pressing plate 44, the pressing block 53 and the vertical ejecting plate 61 is/are provided with a heating assembly of heating coil hot glue. The heating component is arranged for heating the shaped winding to enable the shaped winding to be heated and glued to play a role, and the winding formed by the coils is shaped. The heating components are generally arranged on the surface close to the coil, the more uniformly the heating components are distributed, the faster and more uniformly the heating speed is, and the damage to the protective layer of the coil caused by local overheating can also be avoided.

One mode of operation of the trimmer is: in the initial state, the primary flattening mechanism and the secondary flattening mechanism are both located at the highest position, the separation mechanism is driven by the compression spring 32 to be located at the highest position, and the partition plate 34 of the separation mechanism penetrates out of the surface of the bearing plate 22 from the slot 23 upwards; then three groups of square coils are sequentially staggered and stacked between the partition plates 34 of the bearing plate 22; starting the shaping operation, firstly driving a secondary pressing plate 51 by a second driving device 52 of the secondary flattening mechanism so as to drive the pressing block 53 to press downwards, and after the bottom surface of the pressing block 53 is contacted with the top end of each partition plate 34, driving the partition plates 34 to press downwards synchronously until the middle part of the coil effective section is pressed and flattened with the bearing plate 22; the third driving device 62 of the lateral bending mechanism drives the vertical ejection plates 61 at the two sides to move upwards, and the two outer side ends of the coil are bent upwards and shaped; the first driving device 43 of the main flat pressing mechanism drives the main pressing plate 42 to drive the two groups of vertical pressing plates 44 to press downwards, so as to shape two sides of the effective section of the coil, when the vertical pressing plates 44 descend to a certain height, the ejector pins 45 are abutted with the mounting plate 33, so as to drive the separation mechanism to press downwards, so that the separation plates 34 are withdrawn downwards until the vertical pressing plates 44 are pressed against the bearing plate 22; and after finishing shaping, heating the coil by the heating device to shape the coil by hot adhesive, keeping the coil for a certain time, recovering the initial state of the equipment, and taking out the winding.

The three coils with the thermal adhesive which are wound are separated and stacked between the partition plates 34 of the separating mechanism, the coil positions are fixed, the two sides of the effective section of the coil are flattened through the main flattening mechanism, the ineffective sections on the two outer sides of the coil are bent upwards and shaped through the side bending mechanism, the middle of the effective section of the coil is flattened through the secondary flattening mechanism, the partition plates 34 are ejected downwards, the coil is heated to complete the thermal adhesive fixing of the coil, the shaping and fixing of the coil are automatically completed, the precision, the force and the temperature can be accurately controlled, the production of the winding is standardized and automated, and the production efficiency and the quality are greatly improved.

In one embodiment, the spacers 34 are five evenly spaced pieces. Five spacers 34 divide exactly three coils into six groups of active segments in parallel.

In one embodiment, the heating element is disposed on the side of the loading plate 22, the vertical pressing plate 44, the pressing block 53, and the vertical ejecting plate 61 corresponding to the coil, and the portion where the heating element is mounted is made of bakelite. Specifically, the entire bearing plate 22, the bottom edge of the vertical pressing plate 44, the bottom surface of the pressing block 53, and the inner side surface of the top end of the vertical ejecting plate 61 are made of bakelite, and a heating component, such as an electric heating wire, is arranged inside the bakelite. The winding after the shaping is surrounded by the parts, so that the heating is more uniform, the protective layer of the coil is not easy to damage, and the shaping efficiency is higher.

In one embodiment, the third driving device 62 includes a driving cylinder 621 and a plurality of linear guide pairs 622, and two sets of the connecting plate 63 is provided between the vertical ejecting plates 61, the driving cylinder 621 is fixed on the supporting plate 21, the movable end of the driving cylinder is fixed to the connecting plate 63, and the vertical ejecting plates 61 are arranged on the vertical supporting assembly 13 through the linear guide pairs 622. In order to leave an operating space for placing coils and an installation space for the driving oil cylinder 621, the driving oil cylinder 621 may be disposed on the extending member on one side of the supporting plate 21, and in order to keep the driving smoothness of the vertical ejecting plates 61, each set of the vertical ejecting plates 61 is installed on the vertical supporting assembly 13 through two sets of linear guide rail pairs 622.

In one embodiment, baffles 25 are further disposed at two ends of the bearing plate 22, and the heat generating component is disposed in the baffles 25. The baffles 25 serve to confine and heat the two end edges of the windings.

In one embodiment, the vertical supporting assembly 13 includes two sets of first side plates 131 located at two ends of the supporting plate 21 and erected between the supporting plate 21 and the top plate 12, and two sets of second side plates 132 located at two sides of the supporting plate 21 and erected between the supporting plate 21 and the bottom plate 11. The first side plate 131 provides support between the support plate 21 and the top plate 12, but reserves an operation space for placing and taking out the coil, and can be conveniently connected with other equipment. While the second side plate 132 provides support not only between the support plate 21 and the bottom plate 11, but also for the mounting of the third driving device 62.

In one embodiment, the first driving device 43 and the second driving device 52 are both oil cylinders, and are both vertically fixed on the top plate 12.

The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are still within the technical scope of the present invention.

Claims

1. A coreless linear motor winding shaper is characterized by comprising

2. The coreless linear motor winding shaper of claim 1, wherein: the baffle is five evenly spaced.

3. The coreless linear motor winding shaper of claim 1, wherein: the bearing board, vertical clamp plate, briquetting and one side that vertical liftout plate corresponds the coil all is equipped with heating element, and installs heating element's part is the bakelite material.

4. The coreless linear motor winding shaper of claim 1, wherein: the third driving device comprises a driving oil cylinder and a plurality of linear guide rail pairs, a connecting plate is arranged between the vertical ejection plates, the driving oil cylinder is fixed on the supporting plate, the movable end of the driving oil cylinder is fixed with the connecting plate, and the vertical ejection plates are arranged on the vertical supporting assembly through the linear guide rail pairs.

5. The coreless linear motor winding shaper of claim 1, wherein: the both ends of loading board still are equipped with the baffle, be equipped with in the baffle heating element.

6. The coreless linear motor winding shaper of claim 1, wherein: the vertical supporting component comprises two groups of first side plates and two groups of second side plates, wherein the two groups of first side plates are located at two ends of the supporting plate and erected between the supporting plate and the top plate, and the two groups of second side plates are located on two sides of the supporting plate and erected between the supporting plate and the bottom plate.

7. The coreless linear motor winding shaper of claim 1, wherein: the first driving device and the second driving device are oil cylinders and are vertically fixed on the top plate.