Thermal shrinkage forming mechanism and battery processing equipment

Abstract

The utility model discloses a thermal shrinkage forming mechanism and battery processing equipment, the thermal shrinkage forming mechanism comprises: a heating station, the heating station comprises a first area, a second area and a third area, the first area and the third area are arranged at an interval along a first direction, the second area is located between the first area and the third area; the heating assembly is arranged at the heating station; and the conveying assembly is used for conveying workpieces, and the conveying end of the conveying assembly can circularly move in the first area, the second area and the third area. According to the technical scheme, the baking time of the battery diaphragm can be prolonged, and the thermal shrinkage temperature of the battery diaphragm can be reduced while the baking time is prolonged, so that defective products caused by overtemperature of the battery are avoided.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of battery processing equipment, and particularly relates to a heat shrink forming mechanism and a battery processing equipment. BACKGROUND

[0002] In the production and manufacturing process of a battery, a layer of heat shrink film needs to be wrapped on the shell of the battery. The heat shrink film is heated and shrunk on the surface of the shell of the battery by a heat shrink forming mechanism.

[0003] In the related art, in order to save the floor space of the heat shrink forming mechanism, the temperature of the heating assembly is adjusted to be high so as to shorten the heat shrink time after the battery is sleeved with the film. Since the temperature of the heating assembly is high, the battery is overheated, which affects the quality of the battery. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the embodiment of the application is to provide a heat shrink forming mechanism and a battery processing equipment.

[0005] According to a first aspect of the embodiment of the application, a heat shrink forming mechanism is provided, which comprises:

[0006] a heating station, the heating station comprising a first area, a second area and a third area, the first area and the third area being arranged apart along a first direction, and the second area being located between the first area and the third area;

[0007] a heating assembly, the heating assembly being arranged in the heating station;

[0008] a conveying assembly, the conveying assembly being configured to convey a workpiece, and a conveying end of the conveying assembly being capable of moving circularly in the first area, the second area and the third area.

[0009] Optionally, the first area is provided with at least one heating assembly; and / or

[0010] the second area is provided with at least one heating assembly; and / or

[0011] the third area is provided with at least one heating assembly.

[0012] Optionally, the conveying assembly comprises at least one carrier, the carrier being configured to place a workpiece, and the carrier being capable of moving circularly along the first area, the second area and the third area in sequence.

[0013] Optionally, the conveying assembly comprises a driving member, a driving wheel, a driven wheel and a transmission member, the driving wheel and the driven wheel are arranged in the second direction with a spacing, the transmission member is sleeved on the driving wheel and the driven wheel, the carrier is arranged on the transmission member, the driving end of the driving member is connected with the driving wheel, the driving member can drive the driving wheel to rotate around the axis thereof, and the driving wheel drives the transmission member to move in a loop around the first region, the second region and the third region.

[0014] Optionally, the carrier comprises a mounting base and a top rod, the top rod is rotationally connected with the mounting base, the top rod can rotate around the axis thereof, and the workpiece is arranged on the end of the top rod away from the mounting base.

[0015] Optionally, the conveying assembly further comprises a transmission part, the side wall of the top rod is in abutment with the transmission part, the transmission member drives the carrier to move, and the transmission part can drive the top rod to rotate around the axis thereof.

[0016] Optionally, the transmission part comprises a friction belt, and the side wall of the top rod is provided with a groove in abutment with the friction belt.

[0017] Optionally, the transmission part comprises a rack, and the side wall of the top rod is provided with a gear slot in engagement with the rack.

[0018] Optionally, the heating station further comprises a fourth region, the fourth region is arranged in the second direction with a spacing from the third region, the fourth region is arranged between the first region and the third region, the fourth region is provided with at least one heating assembly, and the conveying end of the conveying assembly can move in a loop in the first region, the second region, the third region and the fourth region.

[0019] According to a second aspect of the embodiment of the present application, a battery processing device is provided, comprising the heat shrink forming mechanism.

[0020] One technical effect of the embodiment of the present application is that the first region and the third region are arranged in the first direction with a spacing, the second region is arranged between the first region and the third region, the conveying assembly conveys the workpiece to pass through the first region, the second region and the third region in sequence, the baking time of the battery film can be prolonged without increasing the floor space of the heat shrink forming mechanism, the baking time is prolonged and the heat shrink temperature of the battery film can be reduced at the same time, so as to avoid the appearance of defective products due to over-temperature of the battery.

[0021] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments thereof, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.

[0023] Figure 1 Structure diagram of the heat shrinkage forming mechanism and the film beating mechanism in the embodiment of the present application;

[0024] Figure 2 Structure diagram of the heat shrinkage forming mechanism and the film beating mechanism in the embodiment of the present application;

[0025] Figure 3 Structure diagram of the heat shrinkage forming mechanism and the film beating mechanism in the embodiment of the present application; Figure 2 Enlarged view of A in FIG. 5;

[0026] Figure 4 Structure diagram of the heat shrinkage forming mechanism and the film beating mechanism in the embodiment of the present application.

[0027] Legend of reference numerals: first area 11; second area 12; third area 13; fourth area 14; heating assembly 2; conveying assembly 3; carrier 31; mounting seat 311; top rod 312; groove 3121; transmission part 32; film beating station 5; film beating mechanism 6. DETAILED DESCRIPTION

[0028] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions, and numerical values set forth in these embodiments are not limiting to the scope of the present application unless otherwise specifically stated.

[0029] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way limiting to the scope of the application or its applications or uses.

[0030] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, where appropriate, such techniques, methods, and apparatus should be considered as part of the description of the present application.

[0031] In all of the examples shown and discussed herein, any specific values should be interpreted as merely illustrative and not as a limitation on the scope of the exemplary embodiments. Thus, other examples of the exemplary embodiments can have different values.

[0032] It should be noted that like numerals and letters refer to like items throughout the drawings, and as a result, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.

[0033] Firstly, the first direction, the second direction and the third direction mentioned in the embodiments of the present application refer to the following drawings: Figure 1The marked direction. Wherein, the first direction, the second direction and the third direction intersect with each other.

[0034] As Figures 1-3 shown, according to the first aspect of the present application, a heat shrink forming mechanism is provided, comprising a heating station, a heating assembly 2 and a conveying assembly 3; the heating station comprises a first area 11, a second area 12 and a third area 13, the first area 11 and the third area 13 are spaced apart along the first direction, the second area 12 is located between the first area 11 and the third area 13; the heating assembly 2 is arranged in the heating station; the conveying assembly 3 is used for conveying workpieces, and the conveying end of the conveying assembly 3 can move circularly in the first area 11, the second area 12 and the third area 13.

[0035] The heat shrink forming mechanism in the present application is used for heat shrinking the heat shrink film sleeved on the shell of the battery; it can also be used for heat shrinking the heat shrink film in other products or workpieces, or for heating other products or workpieces. The present application does not make specific limitation on this. In the present application, the workpiece is taken as the battery with the heat shrink film, which is referred to as battery film piece in the following.

[0036] As Figure 1 and Figure 2 shown, the heat shrink forming mechanism comprises a heating station, a plurality of heating assemblies 2 and a conveying assembly 3. Wherein, the heating station comprises a first area 11, a second area 12 and a third area 13, the first area 11 and the third area 13 are spaced apart along the first direction, the second area 12 is located between the first area 11 and the third area 13, and the first area 11, the second area 12 and the third area 13 are arranged in sequence; the heating assembly 2 is arranged in the heating station, and the heating assembly 2 can heat the battery film piece located in the heating station to make the film piece shrink onto the shell of the battery; the conveying assembly 3 is used for conveying workpieces, and the conveying assembly 3 comprises a conveying end, the workpiece is located in the conveying end, and the conveying end can move circularly in the first area 11, the second area 12 and the third area 13, that is, the battery film piece can move circularly in the first area 11, the second area 12 and the third area 13.

[0037] Further explanation, the first area 11 and the third area 13 are spaced apart along the first direction, the second area 12 is located between the first area 11 and the third area 13, and the conveying assembly 3 conveys the workpiece through the first area 11, the second area 12 and the third area 13 in sequence. Without increasing the floor space of the heat shrink forming mechanism, the baking time of the battery film piece can be prolonged, and the heat shrink temperature of the battery film piece can be reduced while the baking time is prolonged, so as to avoid the appearance of defective products due to over-temperature of the battery.

[0038] In an alternative embodiment, the first region 11 is provided with at least one heating assembly 2; and / or, the second region 12 is provided with at least one heating assembly 2; and / or, the third region 13 is provided with at least one heating assembly 2.

[0039] In a specific embodiment, the first region 11 is provided with at least one heating assembly 2.

[0040] In another specific embodiment, the second region 12 is provided with at least one heating assembly 2.

[0041] In another specific embodiment, the third region 13 is provided with at least one heating assembly 2.

[0042] In another specific embodiment, the first region 11 is provided with at least one heating assembly 2; the second region 12 is provided with at least one heating assembly 2.

[0043] In another specific embodiment, the first region 11 is provided with at least one heating assembly 2; the third region 13 is provided with at least one heating assembly 2.

[0044] In another specific embodiment, the second region 12 is provided with at least one heating assembly 2; the third region 13 is provided with at least one heating assembly 2.

[0045] In another specific embodiment, the first region 11 is provided with at least one heating assembly 2; the second region 12 is provided with at least one heating assembly 2; the third region 13 is provided with at least one heating assembly 2. This embodiment is described as an example.

[0046] Specifically, as shown in Figure 1 and Figure 2 , the first region 11 can be provided with one heating assembly 2, two heating assemblies 2, or three heating assemblies 2, and different numbers of heating assemblies 2 can be provided according to different moving distances of the conveying end of the conveying assembly 3 in the first region 11; the second region 12 can be provided with one heating assembly 2, two heating assemblies 2, or three heating assemblies 2, and different numbers of heating assemblies 2 can be provided according to different moving distances of the conveying end of the conveying assembly 3 in the second region 12; the third region 13 can be provided with one heating assembly 2, two heating assemblies 2, or three heating assemblies 2, and different numbers of heating assemblies 2 can be provided according to different moving distances of the conveying end of the conveying assembly 3 in the third region 13. By providing multiple heating assemblies 2 in the heating station, the temperature of each heating assembly 2 can be adjusted individually as needed, so that the heat shrink forming mechanism can be compatible with different membranes, thereby improving the compatibility of the heat shrink forming mechanism and ensuring that different membranes have high heat shrink uniformity.

[0047] In an alternative embodiment, the conveying assembly 3 comprises at least one carrier 31 configured to place the workpiece, the carrier 31 being able to move cyclically along the first area 11, the second area 12 and the third area 13.

[0048] As shown in Figure 1 and Figure 2 The conveying assembly 3 comprises at least one carrier 31 for carrying the battery film, i.e. placed on the carrier 31, and the conveying end of the conveying assembly 3 is able to convey the carrier 31 to move cyclically along the first area 11, the second area 12 and the third area 13, i.e. the battery film sequentially passes through the first area 11, the second area 12 and the third area 13, and is heated by the heating assembly 2 to cause the film to shrink under heat.

[0049] The conveying assembly 3 comprises a plurality of carriers 31 arranged sequentially at the conveying end of the conveying assembly 3, and the plurality of carriers 31 move simultaneously and sequentially pass through the first area 11, the second area 12 and the third area 13. The plurality of carriers 31 work simultaneously to improve the working efficiency of the heat-shrink forming mechanism.

[0050] In an alternative embodiment, the conveying assembly 3 comprises a driving member, a driving wheel, a driven wheel and a transmission member, the driving wheel and the driven wheel are arranged spaced apart along the second direction, the transmission member is sleeved on the driving wheel and the driven wheel, the carrier 31 is arranged on the transmission member, the driving end of the driving member is connected with the driving wheel, and the driving member is able to drive the driving wheel to rotate about its axis, and the driving wheel drives the transmission member to move cyclically about the first area 11, the second area 12 and the third area 13.

[0051] As shown in Figure 1 The conveying assembly 3 comprises a driving member, a driving wheel, a driven wheel and a transmission member. The driving wheel and the driven wheel are arranged spaced apart along the second direction, the axis direction of the driving wheel is the same as the third direction, the axis direction of the driven wheel is the same as the third direction, the transmission member is sleeved on the driving wheel and the driven wheel, and the carrier 31 is arranged on the transmission member; the driving wheel is connected with the driving end of the driving member, and the driving member is able to drive the driving wheel to rotate about its axis, i.e. the driving wheel is able to rotate about the axis of the third direction, the driving member drives the driving wheel to rotate, thereby driving the transmission member to rotate, i.e. the transmission member is able to rotate cyclically between the first area 11, the second area 12 and the third area 13, i.e. the carrier 31 is able to rotate cyclically between the first area 11, the second area 12 and the third area 13.

[0052] In one specific embodiment, the transmission member can adopt a transmission belt.

[0053] In another specific embodiment, the transmission member can adopt a chain; wherein the driving wheel and the driven wheel both adopt gears, and the chain is engaged with the gears so as to be able to transmit power by the chain.

[0054] Wherein the driving member can adopt a motor or a rotary cylinder.

[0055] In an alternative embodiment, the carrier 31 comprises a mounting base 311 and a top rod 312, the top rod 312 is rotationally connected with the mounting base 311, the top rod 312 is capable of rotating around its own axis, and a workpiece is placed on the end of the top rod 312 away from the mounting base 311.

[0056] As shown in Figure 3 , the carrier 31 comprises a mounting base 311 and a top rod 312. Wherein one end of the top rod 312 is rotationally connected with the mounting base 311, the top rod 312 is capable of rotating around its own axis, the direction of the axis of the top rod 312 is the same as the third direction, and the other end of the top rod 312 is used for placing a workpiece; so the workpiece is capable of rotating around the third direction.

[0057] When the battery film is placed on the top rod 312 of the carrier 31, the battery film is capable of rotating with the carrier 31 when the carrier 31 moves in the first area 11, the second area 12 and the third area 13, and is also capable of self-rotating under the driving of the top rod 312. Therefore, when the battery film enters the heating station with the carrier 31, self-rotating under the driving of the top rod 312 can make the film more evenly heated.

[0058] Wherein the end of the top rod 312 away from the mounting base 311 is provided with a magnet for attracting the battery film; or the end of the top rod 312 away from the mounting base 311 is provided with a suction cup for attracting the battery film by vacuum suction.

[0059] In one specific embodiment, the carrier 31 comprises a motor, the output end of the motor is connected with one end of the top rod 312, and the motor is capable of driving the top rod 312 to rotate around its own axis.

[0060] In another specific embodiment, as shown in Figure 3 , the conveying assembly 3 further comprises a transmission part 32, the side wall of the top rod 312 abuts against the transmission part 32, the transmission member drives the carrier 31 to move, and the transmission part 32 is capable of driving the top rod 312 to rotate around its own axis.

[0061] In one specific embodiment, the transmission part 32 comprises a friction belt; the side wall of the top rod 312 is provided with a groove 3121, and the groove 3121 abuts against the friction belt.

[0062] Further, the transmission part 32 comprises a friction belt, which is arranged above the driving wheel and the driven wheel in the third direction and surrounds the first area 11, the second area 12 and the third area 13; the side wall of the top rod 312 is provided with a groove 3121; when the transmission part drives the carrier 31 to move in the first area 11, the second area 12 and the third area 13, the groove 3121 abuts against the friction belt so as to generate friction between the top rod 312 and the friction belt, thereby driving the top rod 312 to rotate around its axis and driving the battery film to rotate around its axis. In this embodiment, the top rod 312 is driven to rotate by the friction between the friction belt and the side wall of the top rod 312, which is simple in structure, easy to install and low in cost.

[0063] In another specific embodiment, the transmission part 32 comprises a rack; the side wall of the top rod 312 is provided with a gear slot, which is engaged with the rack.

[0064] Further, the transmission part 32 comprises a rack, which is arranged above the driving wheel and the driven wheel in the third direction and surrounds the first area 11, the second area 12 and the third area 13; the side wall of the top rod 312 is provided with a gear slot, which is engaged with the rack; when the transmission part drives the carrier 31 to move in the first area 11, the second area 12 and the third area 13, the gear slot rotates in correspondence with the rack, thereby driving the top rod 312 to rotate around its axis and driving the battery film to rotate around its axis. In this embodiment, the structure is simple, easy to install and low in cost.

[0065] In an optional embodiment, as shown in Figure 4 The heating station further comprises a fourth area 14, which is arranged along the second direction away from the third area 13 and between the first area 11 and the third area 13; the fourth area 14 is provided with at least one heating assembly 2; the conveying end of the conveying assembly 3 can move in the first area 11, the second area 12, the third area 13 and the fourth area 14, that is, the battery film passes through the first area 11, the second area 12, the third area 13 and the fourth area 14 in sequence, thereby further prolonging the baking time of the battery film and improving the quality of the battery.

[0066] According to a second aspect of the embodiments of the present application, a battery processing equipment is provided, which comprises the heat shrink forming mechanism.

[0067] Further, as shown in Figure 1 and Figure 2As shown, the battery processing equipment further comprises a film beating station 5 and a film beating mechanism 6; the film beating station 5 is arranged along a second direction at a position away from the second area 12, and the film beating station 5 is located between the first area 11 and the third area 13; the film beating mechanism 6 is arranged at the film beating station 5, and the film beating mechanism 6 is used to adjust the position between the film and the battery; the conveying end of the conveying assembly 3 moves in a loop between the film beating station 5 and the heating station; in particular, the film beating mechanism 6 is arranged upstream of the heat shrink forming mechanism, the film beating mechanism 6 first adjusts the position between the battery and the film, and then the conveying assembly 3 conveys the battery film adjusted at the film beating station 5 to the heating station, and the battery film is heated by the heating assembly 2.

[0068] Although some specific embodiments of the present application have been described in detail by way of examples, it should be understood that such examples are for illustration only and should not limit the scope of the present application. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A heat shrink forming mechanism, characterized by, The heat-shrink forming mechanism comprises: a heating station, the heating station comprising a first area, a second area and a third area, the first area and the third area being spaced apart along a first direction, the second area being located between the first area and the third area; a heating assembly provided in the heating station; a conveying assembly for conveying workpieces, a conveying end of the conveying assembly being capable of moving circularly in the first area, the second area and the third area.

2. The heat-shrink forming mechanism according to claim 1, wherein: the first area is provided with at least one heating assembly; and / or the second area is provided with at least one heating assembly; and / or the third area is provided with at least one heating assembly.

3. The heat shrink forming mechanism of claim 2, wherein, The conveying assembly comprises at least one carrier configured to place workpieces, the carrier being capable of moving circularly along the first area, the second area and the third area in sequence.

4. The heat shrink forming mechanism of claim 3, wherein, The conveying assembly comprises a driving member, a driving wheel, a driven wheel and a transmission member, the driving wheel and the driven wheel being spaced apart along a second direction, the transmission member being sleeved on the driving wheel and the driven wheel, the carrier being provided on the transmission member, a driving end of the driving member being connected with the driving wheel, the driving member being capable of driving the driving wheel to rotate about an axis thereof, the driving wheel driving the transmission member to move circularly about the first area, the second area and the third area.

5. The heat shrink forming mechanism of claim 4, wherein, The carrier comprises a mounting seat and a top rod, the top rod being rotatably connected with the mounting seat, the top rod being capable of rotating about an axis thereof, a workpiece being placed on an end of the top rod away from the mounting seat.

6. The heat shrink forming mechanism of claim 5, wherein, The conveying assembly further comprises a transmission part, a side wall of the top rod being in abutment with the transmission part, the transmission member driving the carrier to move, the transmission part being capable of driving the top rod to rotate about an axis thereof.

7. The heat shrink forming mechanism of claim 6, wherein, The transmission part comprises a friction belt; the side wall of the top rod is provided with a groove, the groove being in abutment with the friction belt.

8. The heat shrink forming mechanism of claim 6, wherein, The transmission part comprises a rack; the side wall of the top rod is provided with a gear slot, the gear slot being in engagement with the rack.

9. The heat shrink forming mechanism of claim 1, wherein, The heating station further comprises a fourth area, the fourth area being spaced apart from the third area along a second direction, the fourth area being provided between the first area and the third area; the fourth area is provided with at least one heating assembly; the conveying end of the conveying assembly is capable of moving circularly in the first area, the second area, the third area and the fourth area.

10. A battery processing apparatus, characterized by, The heat-shrink forming mechanism according to any one of claims 1-9.

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