CN106532137B

CN106532137B - Winding device and manufacturing method thereof

Info

Publication number: CN106532137B
Application number: CN201611223835.9A
Authority: CN
Inventors: 潘梦川; 严海宏
Original assignee: Shenzhen Yinghe Technology Co Ltd
Current assignee: Shenzhen Yinghe Technology Co Ltd
Priority date: 2016-12-27
Filing date: 2016-12-27
Publication date: 2023-03-24
Anticipated expiration: 2036-12-27
Also published as: CN106532137A

Abstract

A winding device comprises a winding assembly, a driving assembly, a needle penetrating assembly and a needle extracting assembly. The winding assembly is used for winding the battery cell, the driving assembly is used for providing winding power for the winding assembly and driving the winding assembly to switch stations, the needle threading assembly is used for threading a needle before the winding assembly is wound, and the needle pulling assembly is used for pulling the needle after the winding is finished. According to the winding device, the needle handle moves on the linear sliding rail on the mounting shaft through the sliding seat, the gap is small, the guiding is good, and the precision is high. Therefore, the consistency of the battery cell rolled out by the three winding needles is ensured, the process requirement is met, the alignment degree of the tab is ensured, the consistency of the ending rubberizing positions is ensured, the production efficiency is improved, and the production cost is reduced. According to the manufacturing method of the winding device, the secondary processing is carried out after the connecting shaft is arranged between the first bearing seat and the second bearing seat, and the secondary processing is carried out after the mounting shaft is arranged on the first turntable and the second turntable, so that the concentricity is ensured, and the precision is improved.

Description

Winding device and manufacturing method thereof

Technical Field

The invention relates to the technical field of lithium ion battery preparation devices, in particular to a winding device and a manufacturing method thereof.

Background

The battery cell winding device is used for winding the positive pole piece, the negative pole piece and the diaphragm to form a battery cell. The automatic feeding machine mainly comprises a frame, a winding mechanism, a gluing mechanism, a discharging mechanism and the like. In the winding mechanism, the winding needle is driven by the driving mechanism to rotate so as to perform winding. However, the conventional winding device has low accuracy.

Disclosure of Invention

In view of the above, it is desirable to provide a winding device with high precision and a manufacturing method thereof.

A winding device comprises a winding assembly, a driving assembly, a needle threading assembly and a needle extracting assembly;

the winding assembly comprises a winding unit, and the winding unit comprises a first bearing seat, a second bearing seat, a connecting shaft, a first rotary table, a second rotary table, a mounting shaft, a linear slide rail, a first sliding seat, a second sliding seat, a third sliding seat, a first transmission shaft, a second transmission shaft, a third transmission shaft, a first needle handle, a second needle handle, a third needle handle, a first winding needle, a second winding needle and a third winding needle;

the first bearing seat and the second bearing seat are oppositely arranged;

two ends of the connecting shaft are respectively and fixedly connected with the first bearing seat and the second bearing seat;

the first turntable and the second turntable are respectively arranged in the first bearing seat and the second bearing seat, the first turntable and the second turntable are oppositely arranged, the first turntable and the second turntable can rotate relative to the first bearing seat and the second bearing seat, the first turntable is provided with three through holes, the second turntable is also provided with three through holes, and the three through holes on the first turntable and the three through holes on the second turntable are oppositely arranged;

a plurality of installation shafts are arranged between the first rotary table and the second rotary table, two ends of each installation shaft are respectively and fixedly connected with the first rotary table and the second rotary table, and the installation shafts are arranged in parallel;

each mounting shaft is provided with a linear slide rail;

the first sliding seat, the second sliding seat and the third sliding seat are respectively arranged on different linear sliding rails, and the first sliding seat, the second sliding seat and the third sliding seat are all in sliding connection with the linear sliding rails;

two ends of the first transmission shaft, the second transmission shaft and the third transmission shaft respectively penetrate through the first turntable and the second turntable and are oppositely provided with three pairs of through holes;

the first slide is connected with a first transmission shaft, the first transmission shaft is rotatable relative to the first slide, the second slide is connected with the second transmission shaft, the second transmission shaft is rotatable relative to the second slide, the third slide is connected with the third transmission shaft, and the third transmission shaft is rotatable relative to the third slide;

one end of each of the first transmission shaft, the second transmission shaft and the third transmission shaft is fixedly connected with the first needle handle, the second needle handle and the third needle handle respectively, and the first needle handle, the second needle handle and the third needle handle can penetrate through the three through holes of the first rotating disc respectively;

the first winding needle, the second winding needle and the third winding needle are respectively arranged in the first needle handle, the second needle handle and the third needle handle;

the needle threading assembly is arranged corresponding to the winding station and is used for needle threading before winding;

the needle pulling assembly is arranged corresponding to the blanking station and used for pulling a needle after winding is finished;

the driving assembly is used for driving the first transmission shaft, the second transmission shaft and the third transmission shaft to rotate and is used for driving the first turntable and the second turntable to rotate.

In one embodiment, the number of the installation shafts is six, and the installation shafts are respectively a first installation shaft, a second installation shaft, a third installation shaft, a fourth installation shaft, a fifth installation shaft and a sixth installation shaft, the first slide is slidably disposed on the linear slide rails of the first installation shaft and the second installation shaft, the second slide is slidably disposed on the linear slide rails of the third installation shaft and the fourth installation shaft, and the third slide is slidably disposed on the linear slide rails of the fifth installation shaft and the sixth installation shaft.

In one embodiment, the needle threading assembly comprises a first bottom plate, a first motor, a first lead screw, a first linear guide rail, a first push block, a first inductor and a second inductor;

two ends of the first bottom plate are respectively fixed on the edges of the first bearing seat and the second bearing seat, and the first bottom plate is parallel to the connecting shaft;

the first screw rod is arranged on one side of the first bottom plate and is fixedly connected with a shaft of the first motor;

the first linear guide rail is arranged on one side, away from the first screw rod, of the first bottom plate, the first push block is arranged on the first linear guide rail, the first push block is connected with the first linear guide rail in a sliding mode, and the first push block is connected with the first screw rod;

the first inductor and the second inductor are respectively arranged at two ends of one side of the first base plate, which is provided with the first screw rod.

In one embodiment, the needle pulling assembly comprises a second bottom plate, a second motor, a second screw rod, a second linear guide rail, a second pushing block, a third inductor and a fourth inductor;

two ends of the second bottom plate are respectively fixed on the edges of the first bearing seat and the second bearing seat, and the second bottom plate is parallel to the connecting shaft;

the second screw rod is arranged on one side of the second bottom plate and is fixedly connected with a shaft of the second motor;

a second linear guide rail is arranged on one side, away from the second screw rod, of the second bottom plate, the second push block is arranged on the second linear guide rail and is connected with the second linear guide rail in a sliding manner, and the second push block is connected with the second screw rod;

the third inductor and the fourth inductor are respectively arranged at two ends of one side of the second base plate, which is provided with the second lead screw.

In one embodiment, two fifth sensors are arranged on the transmission shaft of the winding assembly close to the needle threading assembly, and the two fifth sensors are respectively arranged at two ends of the transmission shaft.

In one embodiment, two sixth sensors are arranged on the transmission shaft of the winding assembly close to the needle extracting assembly, and the two sixth sensors are respectively arranged at two ends of the transmission shaft.

In one embodiment, a seventh sensor is arranged on one of the transmission shafts of the winding assembly corresponding to the gluing station, and the seventh sensor is arranged at one end of the transmission shaft close to the first bearing seat.

In one embodiment, the winding assembly further comprises a supporting unit, the supporting unit comprises a mounting plate, three air cylinders and three outer needle nozzles, the three air cylinders are all mounted on the mounting plate, the three air cylinders are fixedly connected with the three outer needle nozzles respectively, and the three outer needle nozzles are arranged opposite to the first needle handle, the second needle handle and the third needle handle respectively.

In one embodiment, the driving device comprises a third motor, a fourth motor, a mandrel, a pinion and a gearwheel;

the third motor is connected with one end of the mandrel through a belt, the other end of the mandrel is installed on the second turntable, and the mandrel can rotate relative to the second turntable;

one ends of the first transmission shaft, the second transmission shaft and the third transmission shaft, which are far away from the first needle handle, the second needle handle and the third needle handle, are respectively connected with one end of the mandrel, which is far away from the third motor, through a belt;

the fourth motor is fixedly connected with the small gear, the small gear is meshed with the large gear, and the large gear is fixed on one side, far away from the first rotary table, of the second rotary table.

The manufacturing method of the winding device is characterized by comprising the following steps of:

preparing the first bearing seat, the second bearing seat, the first turntable and the second turntable;

mounting a connecting shaft between the first bearing seat and the second bearing seat for secondary processing;

and respectively installing the first rotary table and the second rotary table in the first bearing seat and the second bearing seat, and installing an installation shaft between the first rotary table and the second rotary table for secondary processing.

According to the winding device, the needle handle moves on the linear slide rail 17 on the mounting shaft through the slide seat, the gap is small, the guide is good, and the precision is high. Therefore, the consistency of the battery cell rolled out by the three winding needles is ensured, the process requirement is met, the alignment degree of the tab is ensured, the consistency of the ending rubberizing positions is ensured, the production efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic view of a winding apparatus according to an embodiment;

FIG. 2 is a schematic structural view of one embodiment of a needle threading assembly and needle withdrawing assembly;

FIG. 3 is a schematic view of one embodiment of a winding assembly;

FIG. 4 is a schematic structural view of a needle threading assembly according to one embodiment;

FIG. 5 is a schematic view of an embodiment of a needle puller assembly;

FIG. 6 is a schematic structural diagram of a driving assembly according to an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, a winding device 100 according to an embodiment is used for winding a battery cell. Comprising a winding assembly 10, a needle threading assembly 20, a needle extracting assembly 30 and a drive assembly 40.

Referring to fig. 3, the winding assembly 10 includes a winding unit and a supporting unit. The winding unit includes: the needle winding device comprises a first bearing seat 11, a second bearing seat 12, a connecting shaft 13, a first rotating disc 14, a second rotating disc 15, a mounting shaft 16, a linear slide rail 17, a first sliding seat 18, a second sliding seat (not shown), a third sliding seat (not shown), a first transmission shaft 19, a second transmission shaft (not shown), a third transmission shaft (not shown), a first needle handle 51, a second needle handle (not shown), a third needle handle (not shown), a first winding needle (not shown), a second winding needle (not shown) and a third winding needle (not shown).

The first bearing housing 11 and the second bearing housing 12 are disposed oppositely. A plurality of connecting shafts 13 are arranged between the first bearing seat 11 and the second bearing seat 12, and two ends of each connecting shaft 13 are fixedly connected with the first bearing seat 11 and the second bearing seat 12 respectively. The connecting shafts 13 are arranged in parallel and are evenly distributed along the circumference of the bearing block at intervals. In one embodiment, the number of connecting shafts 13 is six. It is understood that the number of the connecting shafts 13 is not limited to six, and can be set according to actual needs.

The first and second rotating discs 14, 15 are respectively provided inside the first and

second bearing housings

11, 12. The first turntable 14 and the second turntable 15 are oppositely arranged. The first and second rotatable discs 14, 15 are rotatable relative to the first and second bearing blocks 11, 12. Three through holes are formed in the first rotating disc 14, three through holes are also formed in the second rotating disc 15, and the three through holes in the first rotating disc 14 and the three through holes in the second rotating disc 15 are arranged oppositely. Specifically, the first turntable 14 is provided with a first through hole, a second through hole and a third through hole. A fourth through hole, a fifth through hole and a sixth through hole are formed in the second turntable 15. The first through hole and the fourth through hole are oppositely arranged, the second through hole and the fifth through hole are oppositely arranged, and the third through hole and the sixth through hole are oppositely arranged.

A plurality of mounting shafts 16 are mounted between the first 14 and second 15 discs. The two ends of the mounting shaft 16 are fixedly connected with the first rotating disc 14 and the second rotating disc 15 respectively. The multiple mounting shafts 16 are arranged in parallel. In one embodiment, the number of mounting shafts 16 is six. It is understood that the number of mounting shafts 16 is not limited to six and may be set as desired.

Each mounting shaft 16 is provided with a linear slide rail 17.

The slide is arranged on the linear slide rail 17. The slide is connected with the linear slide rail 17 in a sliding way. Specifically, every two linear sliding rails 17 are provided with a sliding seat, and the sliding seat is connected with the linear sliding rails 17 in a sliding manner. The carriage is slidable along linear slide rails 17. In the embodiment shown in fig. 1, there are six mounting shafts, namely a first mounting shaft 16, a second mounting shaft (not shown), a third mounting shaft (not shown), a fourth mounting shaft (not shown), a fifth mounting shaft (not shown), and a sixth mounting shaft (not shown). There are three carriages, a first carriage 18, a second carriage and a third carriage. The first slide 18 is slidably disposed on the linear slide 17 of the first mounting shaft 16 and the second mounting shaft. Specifically, two ends of the first sliding seat 18 are slidably connected to the linear slides of the first mounting shaft 16 and the second mounting shaft, respectively. The second slide slides and locates on the linear slide rail of third installation axle and fourth installation axle. The third slide base is arranged on the linear slide rails of the fifth installation shaft and the sixth installation shaft in a sliding mode.

Both ends of the first transmission shaft 19 pass through the first through hole and the fourth through hole, respectively. Two ends of the second transmission shaft respectively penetrate through the second through hole and the fifth through hole. And two ends of the third transmission shaft respectively penetrate through the third through hole and the sixth through hole.

The first carriage 18 is connected to a first transmission shaft 19. The first transmission shaft 19 is rotatable relative to the first carriage 18. The second slide is connected with the second transmission shaft. The second transmission shaft is rotatable relative to the second carriage. The third slide is connected with a third transmission shaft. The third transmission shaft is rotatable relative to the third carriage.

One ends of the first transmission shaft 19, the second transmission shaft and the third transmission shaft are respectively and fixedly connected with a first needle handle 51, a second needle handle and a third needle handle. The first transmission shaft 19, the second transmission shaft and the third transmission shaft respectively drive the first needle handle 51, the second needle handle and the third needle handle to rotate. When the first slide 18, the second slide and the third slide along the linear slide rail 17, the first needle handle 51, the second needle handle and the third needle handle are driven to slide, and the first needle handle 51, the second needle handle and the third needle handle can penetrate through three through holes of the first rotating disc 14 respectively, so that the first needle handle 51, the second needle handle and the third needle handle can enter and exit the winding unit.

The first winding needle, the second winding needle and the third winding needle are respectively arranged in the first needle handle 51, the second needle handle and the third needle handle.

The supporting unit is arranged on the winding unit. Specifically, the supporting unit includes a mounting plate 52, a first outer needle holder 53, a second outer needle holder (not shown), a third outer needle holder (not shown), a first air cylinder 54, a second air cylinder (not shown), and a third air cylinder (not shown). The three outer needle nozzles are respectively arranged opposite to the three needle handles. The first cylinder 54, the second cylinder and the third cylinder are mounted on the mounting plate 52. The three cylinders are respectively and fixedly connected with the three outer needle nozzles. The three cylinders respectively drive the three outer needle nozzles to move back and forth.

Referring to fig. 2 and 4, the needle threading assembly 20 corresponds to a winding station, and the needle threading is performed before the cell is wound. The needle threading assembly 20 includes a first base plate 21, a first motor 22, a first lead screw 23, a first linear guide 24, a first push block 25, a first inductor 26 and a second inductor 27.

Both ends of the first base plate 21 are fixedly mounted on the edges of the first bearing housing 11 and the second bearing housing 12, respectively. The first base plate 21 is parallel to the connecting shaft 13.

The first lead screw 23 is arranged on one side of the first bottom plate 21, and the first lead screw 23 is fixedly connected with a shaft of the first motor 22. A first linear guide rail 24 is arranged on one side of the first bottom plate 21 far away from the first screw rod 23. The first push block 25 is arranged on the first linear guide rail 24. The first push block 25 is slidably connected to the first linear guide 24. The first push block 25 and the first screw 23 are connected by a first connecting block 28. The first inductor 26 and the second inductor 27 are respectively disposed at two ends of the first bottom plate 21 on the side where the first lead screw 23 is disposed. In the present embodiment, the first motor 22 is mounted on the first base plate 21. It is understood that the first motor 22 can be installed at other positions as long as it can drive the first lead screw 23.

The first motor 22 drives the first lead screw 23 to drive the first push block 25 to slide back and forth along the first linear guide rail 24. The first pusher 25 is connected to the first carriage 18. When moving along the first linear guide rail 24, the first pushing block 25 drives the first sliding seat 18 to move along the linear slide rails 17 of the first mounting shaft 16 and the second mounting shaft. When the first pushing block 25 moves back and forth along the first linear guide 24, the first sensor 26 and the second sensor 27 may sense whether the position where the first pushing block 25 moves is in place. If the position of the first push block 25 is not in place, the first sensor 26 or the second sensor 27 cannot sense the first push block 25, and then an alarm is given.

Referring to fig. 2 and 5, the needle pulling assembly 30 corresponds to a blanking station, and pulls out the needle after the winding of the battery cell is completed. The needle extracting assembly 30 includes a second base plate 31, a second motor 32, a second lead screw 33, a second linear guide 34, a second pushing block 35, a third inductor 36 and a fourth inductor 37.

Both ends of the second base plate 31 are fixed to edges of the first bearing housing 11 and the second bearing housing 12, respectively. The second bottom plate 31 is parallel to the connecting shaft 13.

The second lead screw 33 is disposed at one side of the second base plate 31, and the second lead screw 33 is fixedly connected with a shaft of the second motor 32. A second linear guide rail 34 is arranged on one side of the second bottom plate 31 far away from the second screw rod 33. The second push block 35 is provided on the second linear guide 34. The second pushing block 35 is slidably connected to the second linear guide 34. The second pushing block 35 and the second lead screw 33 are connected by a second connecting block 38. The third inductor 36 and the fourth inductor 37 are respectively disposed at two ends of the second bottom plate 31 on the side where the second lead screw 33 is disposed. In the present embodiment, the second motor 32 is mounted on the second base plate 31. It is understood that the second motor 32 may be installed at other positions as long as it can drive the second lead screw 33.

The second motor 32 drives the second lead screw 33 to drive the second pushing block 35 to slide back and forth along the second linear guide rail 34. The second push block 35 is connected to the second carriage. When the second pushing block 35 moves along the second linear guide 34, it drives the second sliding base to move along the linear sliding rails 17 of the third installation shaft and the fourth installation shaft. When the second pushing block 35 moves back and forth along the second linear guide 34, the third sensor 36 and the fourth sensor 37 can sense whether the position where the second pushing block 35 moves is in place. If the moving position of the second pushing block 35 is not in place, and the third sensor 36 or the fourth sensor 37 cannot sense the second pushing block 35, an alarm is given.

Two fifth sensors 62 are provided on the connecting shaft 13 of the winding assembly 10 near the needle threading assembly 20. I.e. one connecting shaft 13 corresponding to the winding station, is provided with two fifth sensors 62. Two fifth sensors 62 are respectively provided at both ends of the connecting shaft 13. Two fifth sensors 62 are used to sense whether the position of the first push block moving is in place. If the first sensor 26 and the second sensor 27 do not sense well, the two fifth sensors 62 can assist in sensing, double insurance and improve the safety of the operation of the device.

Two sixth sensors (not shown) are provided on the connecting shaft 13 of the winding assembly 10 near the needle extracting assembly 30. Namely, two sixth sensors are arranged on one connecting shaft 13 corresponding to the blanking station. The two sixth sensors are respectively arranged at two ends of the connecting shaft 13. And the two sixth sensors are used for sensing whether the moving position of the second push block is in place or not. If the third sensor 36 and the fourth sensor 37 do not sense well, the two sixth sensors can assist in sensing, double insurance is achieved, and the safety of equipment operation is improved.

A seventh sensor is arranged on a connecting shaft 13 corresponding to the rubberizing station. The seventh sensor is arranged at one end of the connecting shaft 13 close to the outer needle holder. The seventh sensor is used for sensing whether the position of the needle handle is in place.

Referring to fig. 3 and 6, a drive assembly 40 is used to power the winding assembly. Specifically, the drive assembly 40 includes a third motor 42, a fourth motor 44, a spindle 46, a pinion gear 48, and a bull gear 49.

A third motor 42 is connected to one end of a spindle 46 via a belt 43. Specifically, in one embodiment, the number of the third motors 42 is three. The motor shafts of the three third motors 42 are connected to one end of the spindle 46 through a belt 43, respectively. The other end of the spindle 46 is mounted on the second turntable 15. The spindle 46 is rotatable relative to the second turntable 15. The ends of the first transmission shaft 19, the second transmission shaft and the third transmission shaft, which are far away from the first needle handle 51, the second needle handle and the third needle handle, are respectively connected with the end of the mandrel 46, which is far away from the third motor 42, through a belt 47. The third motor 42 drives the spindle 46 to rotate, and the spindle 46 drives the first transmission shaft 19, the second transmission shaft and the third transmission shaft to rotate, so as to drive the first needle handle 51, the second needle handle and the third needle handle to rotate. The first needle handle 51, the second needle handle and the third needle handle rotate to drive the winding needle to rotate.

The fourth motor 44 is fixedly connected with a small gear 48, the small gear 48 is meshed with a large gear 49, and the large gear 49 is fixed on one side of the second rotary table 15 far away from the first rotary table 14. The fourth motor 44 drives the small gear 48 to rotate, so as to drive the large gear 49 to rotate, and the large gear 49 drives the first rotary table 14 and the second rotary table 15 to rotate. Thereby completing the conversion of the three needle handles at three stations of winding, gluing and blanking.

The winding device comprises the following working processes:

at the winding station, the first motor 22 drives the first screw rod 23 to move, so as to drive the first push block 25 to move along the first linear guide rail 24, and the first push block 25 drives the winding needle inside the needle handle to move towards the direction close to the outer needle nozzle and is inserted into the outer needle nozzle to realize needle threading. Then, the third motor 42 drives the belt 43 to move through the mandrel 46, the belt 43 drives the needle handle on the transmission shaft to rotate, and the needle handle rotates to drive the winding needle to rotate, so that the winding function is realized.

Then, the fourth motor 44 drives the small gear 48 to rotate, the small gear 48 drives the large gear 49 to rotate, the large gear 49 drives the first rotary table 14 and the second rotary table 15 to rotate, and the needle handle which is located at the winding station before is switched to the rubberizing station to perform station switching.

After the rubberizing process is completed at the rubberizing station, the fourth motor 44 drives the first rotating disc 14 and the second rotating disc 15 to rotate again, and the needle handle at the rubberizing station is switched to the discharging station. After a sixth sensor arranged on the connecting shaft 13 corresponding to the blanking station senses that the battery cell is positioned at the blanking station, the cylinder corresponding to the blanking station drives the outer needle nozzle corresponding to the cylinder to move towards the direction far away from the turntable, and the manipulator clamps the wound battery cell. Then, the second motor 32 of the needle pulling assembly 30 drives the second screw 33 to move, so as to drive the second pushing block 35 to move along the second linear guide rail 34, and the second pushing block 35 drives the needle winding inside the needle handle to move in the direction away from the outer needle holder, thereby realizing needle pulling.

Three needle handles of the winding assembly are driven by a third motor 42 to rotate, and the winding of the battery cell is completed. Under the driving of the fourth motor 44, the three stations are switched by the two rotating discs, so that the preparation process of the battery cell is completed.

Compared with the traditional winding machine in which the push block of the needle threading assembly and the needle pulling assembly moves up and down along the linear bearing to thread and pull the needle, the precision is low. The needle threading assembly 20 and the needle pulling assembly 30 of the winding device have the advantages that the pushing block moves along the linear guide rail under the driving of the motor, the gap is small, the guiding is good, and the precision is high. And the sensors are arranged on the connecting shafts 13 corresponding to the three stations of the winding device, so that the induction effect is better, and the running safety of the equipment is improved.

The method for manufacturing the winding device according to one embodiment includes the steps of:

preparing the first bearing seat 11, the second bearing seat 12, the first turntable 14 and the second turntable 15;

a connecting shaft 13 is arranged between the first bearing seat 11 and the second bearing seat 12 for secondary processing;

the first rotary table 14 and the second rotary table 15 are respectively installed in the first bearing block 11 and the second bearing block 12, and the installation shaft is installed between the first rotary table 14 and the second rotary table 15 for secondary processing.

According to the manufacturing method of the winding device, the first bearing seat 11 and the second bearing seat 12 are machined for one time, the precision is high, after the connecting shaft 13 is installed between the first bearing seat 11 and the second bearing seat 12, secondary machining is conducted, and the first rotary table 14 and the second rotary table 15 are also machined for the second time after the installation shaft is installed, so that the concentricity is guaranteed, and the precision is improved.

Compare in the overhead front and back bearing frame of traditional coiling, what carry out is twice processing, and the bearing frame carries out the bore hole promptly, and the front processing back of adoption is dismantled, and the reverse side is processed again, and the concentricity is low, can't guarantee the precision. The manufacturing method of the winding device provided by the invention can be used for finishing processing by one-time processing, namely one-time installation without disassembly, and improves the concentricity of the first bearing seat and the second bearing seat.

Compare in traditional bearing frame, front and back carousel around, after the processing, install the back shaft, just use, the concentricity is low, can't guarantee the precision. The manufacturing method of the winding device of the invention carries out the secondary processing after the supporting shaft is installed and the whole is fixed, thereby improving the precision.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The winding device is characterized by comprising a winding assembly, a driving assembly, a needle threading assembly and a needle pulling assembly;

the first bearing seat and the second bearing seat are oppositely arranged;

two ends of the connecting shaft are fixedly connected with the first bearing seat and the second bearing seat respectively;

a plurality of mounting shafts are arranged between the first rotary table and the second rotary table, two ends of each mounting shaft are respectively and fixedly connected with the first rotary table and the second rotary table, and the mounting shafts are arranged in parallel;

each mounting shaft is provided with a linear slide rail;

the needle threading assembly is arranged corresponding to the winding station and is used for threading the needle before winding;

the needle pulling assembly is arranged corresponding to the blanking station and is used for pulling a needle after winding is finished;

2. The winding device according to claim 1, wherein the number of the mounting shafts is six, and the mounting shafts are respectively a first mounting shaft, a second mounting shaft, a third mounting shaft, a fourth mounting shaft, a fifth mounting shaft and a sixth mounting shaft, the first slide is slidably disposed on the linear slide rails of the first mounting shaft and the second mounting shaft, the second slide is slidably disposed on the linear slide rails of the third mounting shaft and the fourth mounting shaft, and the third slide is slidably disposed on the linear slide rails of the fifth mounting shaft and the sixth mounting shaft.

3. The winding device according to claim 1, wherein the needle threading assembly comprises a first base plate, a first motor, a first lead screw, a first linear guide rail, a first push block, a first inductor and a second inductor;

the first inductor and the second inductor are respectively arranged at two ends of one side, provided with the first lead screw, of the first bottom plate.

4. The winding device according to claim 1, wherein the needle extracting assembly comprises a second bottom plate, a second motor, a second screw rod, a second linear guide rail, a second pushing block, a third inductor and a fourth inductor;

5. The winding device according to claim 1, wherein two fifth sensors are provided on the transmission shaft of the winding assembly near the needle threading assembly, and the two fifth sensors are respectively provided at both ends of the transmission shaft.

6. The winding device according to claim 1, wherein two sixth sensors are provided on the drive shaft of the winding assembly near the needle extracting assembly, and the two sixth sensors are respectively provided at both ends of the drive shaft.

7. The winding apparatus according to claim 1, wherein a seventh sensor is disposed on a drive shaft of the winding assembly corresponding to the taping station, the seventh sensor being disposed at an end of the drive shaft adjacent to the first bearing seat.

8. The winding device according to claim 1, wherein the winding assembly further comprises a support unit, the support unit comprises a mounting plate, three cylinders and three outer nozzles, the three cylinders are all mounted on the mounting plate, the three cylinders are respectively fixedly connected with the three outer nozzles, and the three outer nozzles are respectively arranged opposite to the first needle bar, the second needle bar and the third needle bar.

9. The winding device of claim 1, wherein the drive assembly includes a third motor, a fourth motor, a mandrel, a pinion gear, and a bull gear;

10. A method of manufacturing a winding device according to any one of claims 1 to 9, comprising the steps of: