CN209880738U

CN209880738U - Heating assembly for core needle and core package inner hole expanding mechanism

Info

Publication number: CN209880738U
Application number: CN201920846870.9U
Authority: CN
Inventors: 刘海湘; 黄景瑞; 温佳娟; 周小媛
Original assignee: Dongguan Shige Electronics Group Co Ltd
Current assignee: Dongguan Shige Electronics Group Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2019-12-31
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a heating component for a core needle and a core bag inner hole expanding mechanism, which has the technical scheme that the heating component for the core needle comprises a heating ring and a plurality of heating sheets arranged in the heating ring, and the heat generated by the heating sheets is conducted to the core needle; a core package inner hole expanding mechanism comprises a core needle and a heating assembly for the core needle, wherein the core needle penetrates through the heating assembly, the core needle is heated through a heating sheet of the heating assembly, the core needle is used for thermally expanding a central hole of an electric core after being heated, a diaphragm of the electric core after the inner hole is expanded is not easy to deform and rebound, automatic in-shell welding in subsequent production is ensured, and the diaphragm of the central hole cannot be damaged to cause short circuit; the heating assembly is compact in structure, the core needle is heated quickly, uniformly and high in heat efficiency by adopting the air blowing pipe and the heating.

Description

Heating assembly for core needle and core package inner hole expanding mechanism

Technical Field

The utility model relates to a battery electricity core processing equipment technical field, more specifically say, it relates to a heating element and core package expand hole mechanism for core needle.

Background

The existing method for manufacturing the battery core is to wind positive and negative pole pieces, diaphragms and positive and negative lugs into the battery core by using a reel of a winding machine. After the winding of the battery core is finished, the center hole needs to be expanded into a round hole through the core package inner hole expanding mechanism. When an existing manufacturer performs hole expansion on a battery cell, a cold reaming method is adopted for a central hole, most of holes are expanded by adopting a winding needle circumferential extrusion expansion method, after hole expansion is performed by the method, a diaphragm beside the central hole of the battery cell is easy to rebound, and cannot automatically enter a shell for welding in subsequent production, so that the central hole of the battery cell is easy to damage to cause short circuit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heating element for core needle reaches the difficult deformation bounce-back behind the centre bore reaming that makes electric core, ensures to go into the shell welding automatically in follow-up production, can not destroy the diaphragm of centre bore and cause the purpose of short circuit.

The above technical purpose of the present invention can be achieved by the following technical solutions: a heating assembly for a core pin, comprising: the heating device comprises a heating ring and a plurality of heating sheets arranged in the heating ring, wherein heat generated by the heating sheets is conducted to the core needle.

The heating ring is characterized by further comprising an air blowing pipe, wherein the air blowing pipe is communicated with the heating ring, air can be blown into the heating ring through the air blowing pipe, a core expanding air cover is arranged at the upper end of the heating ring, a core needle penetrates through the core expanding air cover, and the interior of the core expanding air cover is communicated with the interior of the heating ring.

As further optimization, the heating plate support is included, the heating plates are sleeved on the heating plate support, and heat insulation gaskets are arranged between every two adjacent heating plates.

As a further optimization, the heating plate is a ceramic heating plate.

As a further optimization, a heat insulation bracket is included, and the heat insulation bracket is installed at the lower end of the heating ring.

The utility model aims at providing a core package expands hole mechanism reaches the difficult deformation bounce-back behind the centre bore reaming that makes electric core, ensures to go into the shell welding in follow-up production automatically, can not destroy the purpose that causes the short circuit with the diaphragm of centre bore.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a core package expands hole mechanism, includes core needle, its characterized in that: comprising a heating assembly as described above for a core pin, said core pin passing through the heating assembly.

As a further optimization, the heating device comprises an up-and-down moving assembly, wherein the up-and-down moving assembly comprises an air cylinder, a joint and a sliding rod, the joint is installed on a piston rod of the air cylinder, one end of the sliding rod is rotatably connected onto the joint, the sliding rod can rotate relative to the joint, the core needle is installed at the other end of the sliding rod, and the sliding rod penetrates through the heating ring.

As further optimization, including the rotating assembly, the rotating assembly includes second driving motor, reduction gear, motor synchronizing wheel, hold-in range and synchronous pulley, the input of reduction gear with second driving motor's output is installed together, the motor synchronizing wheel is installed the output of reduction gear, the slide bar passes synchronous pulley and with synchronous pulley is together fixed, the hold-in range is installed the motor synchronizing wheel with between the synchronous pulley.

As a further optimization, the automatic rotary material receiving and feeding device comprises an automatic rotary material receiving and feeding device, wherein the automatic rotary material receiving and feeding device comprises a rotary disc, a gear rotating assembly and a plurality of clamping assemblies, the gear rotating assembly drives the rotary disc to rotate, and the plurality of clamping assemblies are arranged on the outer circumference of the rotary disc.

As a further optimization, the gear rotating assembly comprises a first driving motor, a pinion and a gearwheel, a turntable shaft is arranged at the center of the turntable, the gearwheel is mounted on the turntable shaft, the gearwheel and the pinion are meshed with each other, and the pinion is mounted on an output shaft of the first driving motor.

To sum up, the utility model discloses following beneficial effect has: the heating piece of the heating assembly is used for heating the core needle, the core needle is used for thermally expanding the center hole of the battery cell after being heated, and the diaphragm of the battery cell after the inner hole is expanded is not easy to deform and rebound, so that automatic shell welding in subsequent production is ensured, and the diaphragm of the center hole is not damaged to cause short circuit; the heating assembly is compact in structure, the core needle is heated quickly, uniformly and high in heat efficiency by adopting the air blowing pipe and the heating.

Drawings

Fig. 1 is a schematic structural diagram of an inner hole expanding mechanism of a core package in an embodiment;

FIG. 2 is a partially exploded schematic view of an automatic rotary feeder of a core package hole expanding mechanism in an embodiment;

fig. 3 is a schematic structural diagram of an inner hole enlarging device of the inner hole enlarging mechanism of the core package in the embodiment;

FIG. 4 is a schematic diagram of the combination relationship of the heating assembly, the sliding rod and the core pin of the inner hole enlarging device of the inner hole enlarging mechanism of the core package in the embodiment;

fig. 5 is a schematic structural diagram of a core pin of an internal expansion device of the core bag internal hole expansion mechanism in the embodiment.

In the figure: 1. the automatic rotating material receiving and feeding device; 11. a lower fixed disk assembly; 12. a turntable; 13. an upper fixed disk assembly; 14. a gear rotating assembly; 141. a first drive motor; 142. a pinion gear; 143. a bull gear; 15. a clamping assembly; 16. a turntable shaft; 2. an inner hole expanding device; 21. an up-and-down moving assembly; 211. a cylinder; 212. a joint; 213. a slide bar; 22. a rotating assembly; 221. a second drive motor; 222. a speed reducer; 223. a motor synchronizing wheel; 224. a synchronous belt; 225. a synchronous pulley; 23. a heating assembly; 231. a thermally insulating support; 232. a heating ring; 233. a heating plate; 234. a core expanding gas hood; 235. an air blowing pipe; 24. a core needle; 241. and (4) a small hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, in this embodiment, the core package inner hole expanding mechanism for expanding a central hole of a battery core includes an automatic rotary feeding device 1 and an inner hole expanding device 2, a battery core product to be expanded is clamped and fed by the automatic rotary feeding device 1, and the inner hole expanding device 2 expands the central hole of the battery core. Referring to fig. 2, the automatic rotary adapter feeding device 1 includes a lower fixed disk assembly 11, a rotary disk 12, an upper fixed disk assembly 13, a gear rotating assembly 14, and a plurality of clamping assemblies 15, the lower fixed disk assembly 11 is used for mounting and fixing various components, and the lower fixed disk assembly 11 is used as a part of a frame. The rotary disc 12 and the upper fixed disc assembly 13 are sleeved and fixed on the same rotary disc shaft 16, and the rotary disc 12 and the upper fixed disc assembly 13 rotate synchronously. The gear rotating assembly 14 includes a first driving motor 141, a pinion gear 142 and a bull gear 143, the pinion gear 142 is mounted on an output shaft of the first driving motor 141, the pinion gear 142 and the bull gear 143 are engaged with each other, and the bull gear 143 is mounted and fixed on the turntable shaft 16. The first driving motor 141 drives the small gear 142 to rotate, the small gear 142 drives the large gear 143 to rotate, and the large gear 143 drives the turntable shaft 16 to rotate, so that the turntable 12 and the upper fixing component rotate synchronously. A plurality of centre gripping subassembly 15 evenly install on the outer circumference of carousel 12, and centre gripping subassembly 15 rotates along with carousel 12 and realizes sending the electric core product of treating the reaming to expanding hole device 2 top and carry out the reaming.

As shown in fig. 3, bore expanding device 2 includes and reciprocates subassembly 21, rotating assembly 22, heating element 23 and core needle 24, it is used for driving core needle 24 to reciprocate to be close to or keep away from the electric core of treating the reaming to reciprocate subassembly 21, rotating assembly 22 is used for driving core needle 24 to rotate the reaming, heating element 23 is used for heating core needle 24, core needle 24 is heated the back and can carries out hot reaming, the diaphragm of the centre bore of electric core after the hot reaming is difficult for the non-deformable bounce, ensure to go into the shell welding automatically in follow-up production, can not destroy the diaphragm of centre bore and lead to the short circuit. The up-and-down moving assembly 21 includes a cylinder 211, a joint 212 and a sliding rod 213, the joint 212 is mounted on a piston rod of the cylinder 211, one end of the sliding rod 213 is rotatably connected to the joint 212, the sliding rod 213 can rotate relative to the joint 212, and the core pin 24 is mounted and fixed on the other end of the sliding rod 213. When the piston rod of the cylinder 211 moves up and down, the joint 212 and the sliding rod 213 are driven to move up and down, so that the core pin 24 moves up and down. The rotating assembly 22 comprises a second driving motor 221, a speed reducer 222, a motor synchronous wheel 223, a synchronous belt 224 and a synchronous belt 224 wheel, wherein the input end of the speed reducer 222 is mounted with the output shaft of the second driving motor 221, the motor synchronous wheel 223 is mounted at the output end of the speed reducer 222, the sliding rod 213 passes through the synchronous belt 224 wheel and is fixed with the synchronous belt 224 wheel, and the synchronous belt 224 is mounted between the motor synchronous wheel 223 and the synchronous belt 224 wheel. After the second driving motor 221 is started, the speed is reduced by the speed reducer 222 and the motor synchronous wheel 223 is driven to rotate, the motor synchronous wheel 223 drives the synchronous belt 224 wheel to rotate through the synchronous belt 224, the sliding rod 213 rotates along with the synchronous belt 224 wheel, the rotation of the core needle 24 is realized, the sliding rod 213 rotates relative to the joint 212, but the joint 212 and the air cylinder 211 do not rotate. Referring to fig. 4, the heating assembly 23 includes a heat insulation support 231, a heating ring 232, a plurality of heating sheets 233, a core expansion air cover 234 and an air blowing pipe 235, wherein the heating sheets 233 are installed in the heating ring 232, the heat insulation support 231 is installed at the lower end of the heating ring 232, and the heat insulation support 231 is used for appropriately blocking and reducing heat transfer to the components below. The sliding rod 213 passes through the heating ring 232 and the core expansion air cover 234, the core pin 24 passes through the core expansion air cover 234, and the core pin 24 is mostly positioned in the core expansion air cover 234. The blowpipe 235 is communicated with the inside of the heating ring 232, and the outer end of the blowpipe 235 is used for connecting a gas source such as compressed air. Make heating plate 233 produce heat through connecting the power, a part of heat is conducted to core needle 24 via slide bar 213, thereby a part of heat is because the gas that comes in the gas blow pipe 235 spreads directly to conduct to core needle 24 on, heating plate 233 and gas blow pipe 235 dual setting for core needle 24 heats faster, and is heated evenly, and the thermal efficiency is higher. Preferably, the heating plate 233 is a ceramic heating plate 233, and the ceramic heating plate 233 is fast in temperature rise, fast in temperature compensation, more uniform in heating, and more energy-saving. As an optimization, the heating assembly 23 further includes a heating plate 233 support, the plurality of heating plates 233 are sleeved on the heating plate 233 support, and a heat insulation gasket is disposed between two adjacent heating plates 233, so that the heating plates 233 do not interfere with each other, and the temperature of the air inside the heating ring 232 can be increased more quickly.

As shown in fig. 5, the core pin 24 is preferably hollow, so that the core pin 24 is more easily heated, and the heating is more uniform, thereby ensuring the uniformity and consistency of the central hole of the battery core. As further optimization, the top of the core pin 24 is provided with a small hole 241, so that hot air is discharged out of the core pin 24, the core pin 24 is further heated more uniformly, and the uniformity and consistency of the forming of the central hole of the battery core are ensured. As optimization, the top of the core pin 24 is arranged in an eccentric conical shape, so that the core pin 24 is not easy to damage a diaphragm of the battery cell, and the processing quality of the battery cell is ensured.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the above embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. A heating assembly for a core pin, comprising: the heating device comprises a heating ring and a plurality of heating sheets arranged in the heating ring, wherein heat generated by the heating sheets is conducted to the core needle.

2. A heating assembly for a core pin as defined in claim 1, wherein: the core expanding device comprises an air blowing pipe, wherein the air blowing pipe is communicated with a heating ring, the heating ring is internally blown by the air blowing pipe, an expanding core air cover is arranged at the upper end of the heating ring, a core needle penetrates through the expanding core air cover, and the inside of the expanding core air cover is communicated with the inside of the heating ring.

3. A heating assembly for a core pin as defined in claim 1, wherein: including the heating plate support, it is a plurality of the heating plate cover is established on the heating plate support, adjacent two be equipped with thermal-insulated gasket between the heating plate.

4. A heating assembly for a core pin as defined in claim 1, wherein: the heating plate is a ceramic heating plate.

5. A heating assembly for a core pin as defined in claim 1, wherein: the heat insulation support is arranged at the lower end of the heating ring.

6. The utility model provides a core package expands hole mechanism, includes core needle, its characterized in that: comprising a heating assembly for a core pin according to any one of claims 1 to 5, through which the core pin passes.

7. The core pack inner hole expanding mechanism as claimed in claim 6, wherein: including reciprocating the subassembly, reciprocating the subassembly and including cylinder, joint and slide bar, the joint is installed on the piston rod of cylinder, the one end of slide bar is rotated and is connected on the joint, the slide bar can be relative the joint rotates, the core needle is installed the other end of slide bar, the slide bar passes the heating ring.

8. The core pack hole enlarging mechanism as claimed in claim 7, wherein: including rotating assembly, rotating assembly includes second driving motor, reduction gear, motor synchronizing wheel, hold-in range and synchronous pulley, the input of reduction gear with second driving motor's output is installed together, the motor synchronizing wheel is installed the output of reduction gear, the slide bar passes synchronous pulley and with synchronous pulley is together fixed, the hold-in range is installed the motor synchronizing wheel with between the synchronous pulley.

9. The core pack inner hole expanding mechanism as claimed in claim 6, wherein: including autogiration switching material feeding unit, autogiration connects material feeding unit includes carousel, gear revolve subassembly and a plurality of centre gripping subassembly, the gear revolve subassembly drive the carousel rotates, and is a plurality of the centre gripping is installed on the outer circumference of carousel.

10. The core pack hole enlarging mechanism as claimed in claim 9, wherein: the gear rotating assembly comprises a first driving motor, a pinion and a gearwheel, a turntable shaft is arranged at the center of the turntable, the gearwheel is mounted on the turntable shaft, the gearwheel and the pinion are meshed with each other, and the pinion is mounted on an output shaft of the first driving motor.