阅读说明：本技术 一种预整形设备 (Pre-shaping equipment ) 是由 李胜权 祁海宁 于 2020-07-15 设计创作，主要内容包括：本发明公开了一种预整形设备,包括机体,机体上设置有锁定装置和整形装置；锁定装置包括固定模和至少两压板,固定模设置在机体上,固定模上开设有放置定子的容纳腔；压板连接有第一驱动件,第一驱动件能够推动压板靠近或远离容纳腔,以使压板锁定定子；整形装置包括上模组件、下模组件和第二驱动件,且锁定装置能够运动到上模组件和下模组件之间；上模组件和下模组件均包括整形组件,整形组件包括座体和推杆,两座体分别安装在上模组件和下模组件上；第二驱动件和两座体连接,用以推动两座体相向运动；推杆设置在座体上,并且推杆能够插设进定子内。本发明能够使线圈端部的导线相互紧贴,以便于后期工序的加工。(The invention discloses pre-shaping equipment, which comprises an engine body, wherein a locking device and a shaping device are arranged on the engine body; the locking device comprises a fixed die and at least two pressing plates, the fixed die is arranged on the machine body, and an accommodating cavity for placing the stator is formed in the fixed die; the pressure plate is connected with a first driving piece, and the first driving piece can push the pressure plate to be close to or far away from the accommodating cavity so that the pressure plate locks the stator; the shaping device comprises an upper die assembly, a lower die assembly and a second driving piece, and the locking device can move between the upper die assembly and the lower die assembly; the upper die assembly and the lower die assembly comprise shaping assemblies, each shaping assembly comprises a seat body and a push rod, and the two seat bodies are respectively arranged on the upper die assembly and the lower die assembly; the second driving piece is connected with the two seat bodies and used for pushing the two seat bodies to move in opposite directions; the push rod is arranged on the base body and can be inserted into the stator. The invention can make the leads at the coil ends cling to each other so as to facilitate the processing of the later process.)

1. A pre-shaping device is characterized by comprising a machine body, wherein a locking device and a shaping device are arranged on the machine body; the locking device comprises a fixed die and at least two pressing plates, the fixed die is arranged on the machine body, and an accommodating cavity for placing a stator is formed in the fixed die; the pressure plate is connected with a first driving piece, and the first driving piece can push the pressure plate to be close to or far away from the accommodating cavity so that the pressure plate locks the stator;

the shaping device comprises an upper die assembly, a lower die assembly and a second driving piece, and the locking device can move between the upper die assembly and the lower die assembly; the upper die assembly and the lower die assembly respectively comprise a shaping assembly, the shaping assembly comprises a seat body and a push rod, and the two seat bodies are respectively arranged on the upper die assembly and the lower die assembly; the second driving piece is connected with the two seat bodies and used for pushing the two seat bodies to move oppositely; the push rod is arranged on the base body and can be inserted into the stator.

2. The pre-shaping device as defined in claim 1, wherein the first driving member comprises a turntable, the turntable being provided with a sliding slot, the pressing plate being connected to a sliding block; when the sliding block is embedded in the sliding groove to move, all the pressing plates can be synchronously close to or far away from the accommodating cavity.

3. The pre-shaper of claim 2, wherein a power member is provided on the stationary mold, and the turntable is connected to the power member by a link.

4. The pre-shaper of claim 3, wherein a lead screw is provided on the stationary mold, an abutment is connected to the power member, and the abutment and the lead screw are threadedly engaged.

5. The pre-shaper of claim 1, wherein the stationary mold is provided with a first sensor for sensing the stator.

6. The pre-shaper of claim 1, wherein the lower die assembly includes a taper sleeve, the seat being coupled to the second drive member via the taper sleeve.

7. The pre-shaper apparatus of claim 1, wherein the shaping assembly is disposed below the fixed mold, the base being coupled to the fixed mold by a return member.

8. The pre-shaping device according to claim 1, wherein said body is provided with a slide rail, and said fixed die is provided with a sliding block engaged with said slide rail.

9. The pre-shaper apparatus according to claim 1, wherein a second sensor is provided on the body for sensing the fixed mold.

10. The pre-shaper of claim 1, wherein guide wheels are provided on the body, and wherein the fixed mold is placed on the guide wheels and locked to the body by a locking member.

Technical Field

The invention relates to the field of stator processing equipment, in particular to pre-shaping equipment.

Background

In the process of winding, the new energy motor adopts a mode of repeated line embedding to perform winding, the diameter of a coil can be larger than the outer diameter of the stator, and therefore the stator cannot be taken out of a tool for fixing the stator. Therefore, the stator after wire embedding needs to be shaped, the enameled wires on the outer circle are tightly attached to each other through shaping, and the size after shaping is smaller than the outer diameter of the stator, so that the stator can be conveniently processed in the later process.

Disclosure of Invention

The invention aims to provide a pre-shaping device which can enable wires at the end parts of a coil to be attached to each other so as to facilitate the processing of later processes.

In order to solve the technical problem, the invention provides pre-shaping equipment which comprises an equipment body, wherein a locking device and a shaping device are arranged on the equipment body; the locking device comprises a fixed die and at least two pressing plates, the fixed die is arranged on the machine body, and an accommodating cavity for placing a stator is formed in the fixed die; the pressure plate is connected with a first driving piece, and the first driving piece can push the pressure plate to be close to or far away from the accommodating cavity so that the pressure plate locks the stator;

the shaping device comprises an upper die assembly, a lower die assembly and a second driving piece, and the locking device can move between the upper die assembly and the lower die assembly; the upper die assembly and the lower die assembly respectively comprise a shaping assembly, the shaping assembly comprises a seat body and a push rod, and the two seat bodies are respectively arranged on the upper die assembly and the lower die assembly; the second driving piece is connected with the two seat bodies and used for pushing the two seat bodies to move oppositely; the push rod is arranged on the base body and can be inserted into the stator.

Furthermore, the first driving piece comprises a rotary table, a sliding groove is formed in the rotary table, and the pressing plate is connected with a sliding block; when the sliding block is embedded in the sliding groove to move, all the pressing plates can be synchronously close to or far away from the accommodating cavity.

Furthermore, a power part is arranged on the fixed die, and the rotating disc is connected with the power part through a connecting rod.

Furthermore, a screw rod is arranged on the fixed die, the power part is connected with an abutting part, and the abutting part is in threaded fit with the screw rod.

Further, a first sensor is arranged on the fixed die and used for detecting the stator.

Furthermore, the lower die assembly comprises a taper sleeve, and the base body is connected with the second driving piece through the taper sleeve.

Further, the shaping assembly is arranged below the fixed die, and the base body is connected with the fixed die through a resetting piece.

Furthermore, the machine body is provided with a slide rail, and the fixed die is provided with a sliding block matched with the slide rail.

Further, a second sensor is provided on the body for detecting the fixed die.

Furthermore, a plurality of guide wheels are arranged on the machine body, the fixed die is placed on the guide wheels, and the fixed die is locked with the machine body through a locking piece.

The invention has the beneficial effects that:

when the locking device moves between the upper die assembly and the lower die assembly, the second driving piece drives the two seat bodies to move oppositely and continuously approach the stator until the seat bodies drive the push rod to be inserted into the stator; then the first plate driving piece pushes the pressing plate to enable the pressing plate to be close to the clamp continuously until the pressing plate is attached to the clamp; at the moment, the pressing plate is arranged on the outer portion of the stator coil in a pressing mode, the push rod is arranged inside the coil, and therefore the coil between the pressing plate and the push rod can be pressed through acting force between the pressing plate and the push plate, and therefore pre-shaping of the coil is achieved.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of a stent according to the present invention;

FIG. 5 is a schematic view of a platen and turntable of the present invention.

The reference numbers in the figures illustrate: 1. a body; 11. a slide rail; 12. a guide wheel; 13. a second sensor; 14. a locking member; 2. a fixed mold; 21. a sliding block; 22. a first sensor; 3. a power member; 31. a connecting rod; 32. a docking member; 4. pressing a plate; 41. a slider; 5. a turntable; 51. a chute; 511. a first end portion; 512. a second end portion; 6. a base body; 61. a reset member; 7. a push rod; 8. a taper sleeve; 9. a second driving member.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1 to 5, an embodiment of a pre-shaping apparatus according to the present invention includes a machine body 1, wherein a locking device and a shaping device are sequentially disposed on the machine body 1, and a stator after winding and a fixture for locking the stator are first placed in the locking device by a manipulator; and then the locking device is driven to move to a station of the shaping device, and the stator coil is pre-shaped through the matching of the locking device and the shaping device.

The locking device comprises a fixed die 2 and at least two pressing plates 4, wherein the fixed die 2 is arranged on the machine body 1, and meanwhile, an accommodating cavity for placing a stator and a clamp is formed in the fixed die 2. The pressure plate 4 is embedded in the stationary mold 2 and is disposed around the accommodation chamber. The pressing plate 4 is connected with a first driving piece which can push the pressing plate 4 to be close to or far away from the accommodating cavity. When the pressing plate 4 is pushed by the first driving piece to be close to the accommodating cavity and is attached to the outer side wall of the fixing clamp of the stator, the purpose of locking the stator by using the pressing plate 4 can be achieved, and the pressing plate 4 is located outside the stator coil at the moment. When the pressure plate 4 is pulled by the first driving piece to be away from the accommodating cavity, the pressure plate 4 is separated from the fixing clamp, so that the stator position is unlocked. Pressing plate 4 is the arc setting in this embodiment to area when increase pressing plate 4 and mounting fixture contact, stability when increase pressing plate 4 and stator lock. In the embodiment, the bottom of the new energy stator slot is deep, and the size of the outer diameter of the coil is large and even larger than that of the outer diameter of the stator after the stator is embedded with the coil. Therefore, the stator after wire embedding cannot meet the procedures of pre-shaping, subsequent intermediate shaping and the like, the outer diameter of the wire package needs to be reduced by the pressing plate 4 during pre-shaping, and therefore the stator can be guaranteed to be separated from the stator tool, and the subsequent procedures are guaranteed to be processed.

The first driving member includes a turntable 5, and the turntable 5 is rotatably provided on the fixed mold 2. The turntable 5 is provided with an arc-shaped sliding groove 51, the pressing plate 4 is connected with a sliding block 41 matched with the sliding groove 51, and the sliding block 41 can be embedded in the sliding groove 51 to move. In this embodiment, the sliding grooves 51 are both arc-shaped, and two ends of the sliding grooves 51 are located in different circumferences, and an end of the sliding groove 51 close to the accommodating cavity is referred to as a first end 511, and an end of the sliding groove 51 far from the accommodating cavity is referred to as a second end 512. When the sliding block 41 is close to the first end 511, all the pressing blocks are close to each other to lock the stator; when the slider 41 is close to the second end 512, all the pressing blocks are far away from each other, and at this time, the stator is in an unlocked state. Thus, when the slider 41 is fitted in the slide groove 51 and moved, all the pressure plates 4 can be driven to synchronously move closer to or away from the accommodating chamber. In this embodiment, when the rotating disc 5 rotates counterclockwise, the sliding block 41 moves from the first end 511 to the second end 512, and all the pressing plates 4 gradually move away from the stator, so as to release the locking of the pressing plates 4 to the fixing clamp. Similarly, when the turntable 5 rotates clockwise, the sliding block 41 moves from the second end 512 to the first end 511, and all the pressing plates 4 gradually approach and abut against the fixing clamp, so as to lock the stator.

The fixed mould 2 is provided with a power member 3, and the rotating disc 5 is connected with the power member 3 through a connecting rod 31, wherein the power member 3 is preferably a motor in the embodiment. The power member 3 is used for driving the connecting rod 31 to rotate, and the torque of the motor can be transmitted to the rotary table 5 through the connecting rod 31, so that the rotary table 5 is driven to rotate. In addition, a screw rod is provided on the fixed mold 2, an abutment 32 is connected to the power member 3, and the abutment 32 is screw-engaged with the screw rod. The position of the motor can be conveniently adjusted by using the docking member 32 screw-engaged with the screw rod, so that the adjustment can be performed according to the positions of the connecting rod 31 and the turntable 5 to improve the efficiency of torque transmission.

In addition, the fixed mold 2 is provided with a first sensor 22, and the first sensor 22 is used for detecting whether the stator is placed in the accommodating cavity, and in this embodiment, the first sensor 22 may be a photoelectric sensor, but other types of sensors may also be used.

In another embodiment, the first driving part can also be a driving part of an air cylinder or a linear motor, and the pressing plate 4 can be synchronously pushed to be close to or far from the fixing clamp through the synchronous movement of the multiple groups of driving parts, so that the outer diameter of the coil of the stator can be shaped.

The shaping device comprises an upper die assembly, a lower die assembly and a second driving part 9, and the locking device can move between the upper die assembly and the lower die assembly along a straight line to match with the shaping device to realize pre-shaping of the coil. Go up mould subassembly and lower mould subassembly and all include the plastic subassembly, the plastic subassembly includes pedestal 6 and push rod 7. The two seat bodies 6 are respectively arranged on the upper die assembly and the lower die assembly. One of the seat bodies 6 is arranged on the upper module, the other seat body 6 can be arranged on the lower module, and the other seat body 6 can also be arranged below the fixed module 2; the seat body 6 in this embodiment is installed below the fixed mold 2. When the locking device is moved between the upper and lower die assemblies, the seat body 6 installed below the fixed die 2 is disposed symmetrically with the seat body 6 installed on the upper die assembly. At the moment, the two shaping components are respectively positioned at the upper side and the lower side of the stator, so that the stator coil can be pre-shaped by utilizing the matching of the two shaping components and the locking device.

The second driving member 9 is connected to the two seat bodies 6, and the second driving member 9 can drive the two seat bodies 6 to move in opposite directions. The second drive element 9 in this embodiment is preferably a screw spindle. The second driving piece 9 is arranged along the vertical direction, and meanwhile, connecting blocks matched with the second driving piece 9 are arranged on the two seat bodies 6, and the connecting blocks are in threaded fit with the screw rods. Utilize the screw-thread fit of lead screw and connecting block, can drive and go up the mould subassembly and all be close to the stator with lower mould subassembly. Meanwhile, the push rod 7 is arranged on the base body 6, so that the base body 6 can be utilized to drive the push rod 7 to be inserted into the stator. When the locking device moves between the upper die assembly and the lower die assembly, the second driving part 9 drives the two seat bodies 6 to move in opposite directions and continuously approach to the stator until the seat bodies 6 drive the push rods 7 to be inserted into the stator, and then the power part 3 drives the second turntable 5 to rotate through the connecting rod 31, so that the pressure plate 4 continuously approaches to the fixing clamp by utilizing the acting force of the sliding blocks 41 and the sliding grooves 51 until the pressure plate 4 is attached to the fixing clamp. At this time, the pressing plate 4 is pressed outside the stator coil, and the push rod 7 is arranged inside the coil, so that the coil between the pressing plate 4 and the push rod 7 can be pressed by the acting force between the pressing plate 4 and the push plate, and the pre-shaping of the coil is realized.

The truing assembly is disposed below the fixed mold 2 in the present embodiment, and the seat body 6 is connected to the fixed mold 2 through the returning member 61, and the returning member 61 is preferably a coil spring in the present embodiment. When the second driving member 9 drives the seat body 6 to approach the stator, the reset member 61 located between the seat body 6 and the fixed mold 2 is in a compressed state, so that the reset member 61 arranged below the fixed mold 2 can assist the seat body 6 and the push rod 7 to reset, and the push rod 7 and the stator are conveniently separated after the shaping is finished.

The lower die assembly further comprises a taper sleeve 8, and the seat body 6 is matched with a second driving piece 9 through the taper sleeve 8. When the fixed die 2 is carried to above the lower die assembly, the taper sleeve 8 is positioned just below the seat body 6, and the taper sleeve 8 and the second driving member 9 are screw-engaged. The second driving member 9 can drive the taper sleeve 8 to move in the vertical direction, and then the seat body 6 above the taper sleeve 8 is pushed to be close to the stator by the taper sleeve 8, so that the push rod 7 is inserted into the stator. Utilize taper sleeve 8 to promote pedestal 6 along linear motion in this embodiment, can be convenient for second driving piece 9 promotes pedestal 6, also can utilize taper sleeve 8 to restrict the direction when pedestal 6 moves simultaneously to improve the accuracy of position when pedestal 6 moves.

The machine body 1 is provided with a slide rail 11, the fixed die 2 is provided with a sliding block 21 matched with the slide rail 11, and the matching of the slide rail 11 and the sliding block 21 is utilized to facilitate the limitation of the moving direction of the fixed die 2, thereby ensuring the position accuracy when the fixed die 2 moves between the upper die assembly and the lower die assembly.

The machine body 1 is provided with a second sensor 13, and the second sensor 13 is used for detecting whether the position of the locking device is accurate when the locking device moves between the upper die assembly and the lower die assembly. In the present embodiment, the second sensor 13 may be a photoelectric sensor or the like.

The machine body 1 is provided with guide wheels 12, and the fixed mold 2 is placed on the guide wheels 12, and the guide wheels 12 are provided on both sides below the fixed mold 2 in this embodiment. The fixed die 2 is locked with the machine body 1 through a locking piece 14, and the locking piece can be selected from a fastening bolt, a positioning pin and the like in the embodiment. When the coil specification is changed or the fixed mold 2 needs to be replaced for other reasons, the locking member 14 is taken out to release the locked state between the fixed mold 2 and the machine body 1, and then the fixed mold 2 is directly pulled out from the machine body 1, thereby facilitating the replacement of the fixed mold 2 as a whole. At the same time, the resistance to the movement of the fixed mold 2 can be reduced by the rotation of the guide pulley 12, so that the operator can easily change the fixed mold.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.