CN220272675U - Composite material battery box upper cover preformed body - Google Patents
Composite material battery box upper cover preformed body Download PDFInfo
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- CN220272675U CN220272675U CN202321565922.8U CN202321565922U CN220272675U CN 220272675 U CN220272675 U CN 220272675U CN 202321565922 U CN202321565922 U CN 202321565922U CN 220272675 U CN220272675 U CN 220272675U
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- reinforcement
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- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 118
- 239000000835 fiber Substances 0.000 claims abstract description 44
- 210000001503 joint Anatomy 0.000 claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims description 83
- 239000012783 reinforcing fiber Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 description 17
- 239000003292 glue Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model discloses a composite material battery box upper cover preformed body, which relates to the technical field of composite material battery boxes and comprises a preformed body, a first flange reinforcing component, a second flange reinforcing component and a locking component, wherein the preformed body comprises a main body fiber layer and a flange edge arranged at the edge of the main body fiber layer, the first flange reinforcing component and the second flange reinforcing component are locked on the flange edge through the locking component, the first flange reinforcing component and the second flange reinforcing component are respectively fixed together in a multi-layer structure, and the butt joint positions of the first flange reinforcing component and the second flange reinforcing component are in a ladder layered structure in an opposite state. The flange reinforcing device is reasonable in design, the first flange reinforcing component and the second flange reinforcing component adopt a multi-layer integral cutting mode for blanking, the shape types are few, classification and distinguishing are convenient, and the effect of simple and efficient flange reinforcing classification can be achieved.
Description
Technical Field
The utility model relates to the technical field of composite material battery boxes, in particular to the technical field of composite material battery box upper cover preformed bodies.
Background
In general, the flange part of the upper cover of the battery box needs to be assembled with the lower shell, so that the thickness of the flange part is larger than that of the main body part, and the flange part is reflected to the preformed structure of the upper cover of the battery box, namely, 3-4 layers of fibers are added for reinforcing the flange on the basis of the number of layers of main body fibers. Meanwhile, in order to ensure the mechanical strength of the flange part, if the flange reinforcing fibers are spliced, the splice gap of each layer of fibers is required to be more than or equal to 25mm. In general, in order to improve the fiber utilization rate, the flange reinforcing fibers are spliced, the splicing gap of each layer of fibers is more than or equal to 25mm, so that the shape of each layer of flange reinforcing fibers is different, the reinforcing fibers with similar shapes are easily mixed in the production process, the operation difficulty and the operation time are increased, and the composite material battery case upper cover preform flange reinforcing field bottleneck is formed, as shown in fig. 5.
The prior preformed body of the upper cover of the composite material battery box is usually bonded to the main body layer by using glue spraying with reinforcing fibers in various shapes, and the problems that the glue spraying is out of range, the spraying is uneven and the glue spraying dosage is difficult to master easily occur in the operation process. Meanwhile, the flange reinforcing fibers with similar shapes are not easy to distinguish in the layer-by-layer bonding process, and the problem of high operation difficulty becomes a bottleneck of the production efficiency of the upper cover preformed body of the composite material battery box.
Disclosure of Invention
The utility model aims at: in order to solve the technical problems that the flange reinforcing structure of the upper cover preformed body of the battery box needs to bond various reinforcing fibers with similar shapes to a main body layer by using glue spraying, the glue spraying is easy to exceed the range, the spraying is uneven, the glue spraying dosage is not easy to grasp, and the reinforcing fibers are easy to mix up, the utility model provides the upper cover preformed body of the battery box made of the composite material. The method can realize the purposes of less reinforcing types, easy distinction, simple operation, high efficiency and stable quality.
The utility model adopts the following technical scheme for realizing the purposes:
the utility model provides a composite material battery box upper cover preformed body, which comprises a preformed body, a first flange reinforcing component, a second flange reinforcing component and a locking component, wherein the preformed body comprises a main body fiber layer and a flange edge arranged at the edge of the main body fiber layer, the first flange reinforcing component and the second flange reinforcing component are locked on the flange edge through the locking component, the first flange reinforcing component and the second flange reinforcing component are respectively fixed together in a multi-layer structure, and the butt joint part of the first flange reinforcing component and the second flange reinforcing component is in a ladder layered structure in an opposite state.
In one embodiment, the locking assembly includes a plurality of staples.
In one embodiment, the first flange reinforcing component comprises a plurality of reinforcing fiber layers which are arranged in a stacked manner and are connected together through a plurality of staples, the second flange reinforcing component comprises a plurality of reinforcing fiber layers which are arranged in a stacked manner and are connected together through a plurality of staples, and the number of reinforcing fiber layers of the first flange reinforcing component is the same as the number of reinforcing fiber layers of the second flange reinforcing component.
In one embodiment, the first flange reinforcing component and the second flange reinforcing component are integrally U-shaped, the U-shape of the first flange reinforcing component is opposite to the U-shape opening of the first flange reinforcing component and the edges of the first flange reinforcing component are aligned, and the butt joint part of the edges of the first flange reinforcing component and the edges of the second flange reinforcing component is in a step shape.
In one embodiment, the first flange reinforcement component is fixed on the left side of the flange edge in the forward direction through a plurality of staples, the second flange reinforcement component is fixed on the right side of the flange edge in the reverse direction through a plurality of staples, and the butt joint part of each layer of the first flange reinforcement component and each layer of the second flange reinforcement component is locked through staples.
Specifically, first, the fibers are cut simultaneously in multiple layers according to the layout by using an automatic fiber cutting device, and the number of fiber layers is the same as that of the flange reinforcing fibers of the first flange reinforcing component and the second flange reinforcing component. When the typesetting diagram is designed, a notch is cut at the splicing position of the flange reinforcing fiber layers of the first flange reinforcing component and the second flange reinforcing component every 25-35mm, and the number of the notch is 1 less than the number of fiber layers.
After fiber blanking, the multi-layer flange reinforcing fiber layers of the first flange reinforcing component or the second flange reinforcing component are bound into a whole by using a stapler, and then the fiber splicing positions are cut layer by using scissors according to the notch positions, so that the notch positions are in a step shape.
Finally, the first flange reinforcement assembly and the second flange reinforcement assembly are stapled to the preform body using a stapler to form a completed composite battery case top preform.
In one embodiment, the first flange reinforcement assembly comprises three reinforcement fiber layers which are arranged in a stacked manner and are connected together through a plurality of staples, the second flange reinforcement assembly comprises three reinforcement fiber layers which are arranged in a stacked manner and are connected together through a plurality of staples, the butt joint edge of the first flange reinforcement assembly is gradually reduced in a step shape from bottom to top, and the butt joint edge of the first flange reinforcement assembly is gradually increased in a step shape from top to bottom.
In one embodiment, the first flange reinforcing component comprises a first layer of the first flange reinforcing component, a second layer of the first flange reinforcing component and a third layer of the first flange reinforcing component which are sequentially arranged from bottom to top;
the second flange reinforcement component comprises a first layer of the second flange reinforcement component, a second layer of the second flange reinforcement component and a third layer of the second flange reinforcement component which are sequentially laminated from top to bottom.
Working principle: as shown in fig. 1 to 3, three layers of fibers are stacked, three layers of fibers are cut simultaneously according to a layout by using automatic fiber cutting equipment to form a first flange reinforcing component and a second flange reinforcing component, a notch with the depth of 10mm is cut every 25-35mm on each layer of the splicing position of the first flange reinforcing component and the second flange reinforcing component, the number of the notches is 2 (the number of layers of the flange reinforcing fibers is reduced by 1), and after the fibers are cut, three layers of flange reinforcing fibers are bound into the first flange reinforcing component and the second flange reinforcing component by using staples, as shown in fig. 3.
Secondly, cut out the first gap of splice end with first flange reinforcement subassembly second layer edge with the scissors, cut out the third layer of first flange reinforcement subassembly along splice end second gap, make first flange reinforcement subassembly splice end position be echelongatedly, cut out the second gap of splice end with second flange reinforcement subassembly first layer edge with the scissors, cut out the first gap of splice end with second flange reinforcement subassembly second layer edge, make second flange reinforcement subassembly splice end position be with first flange reinforcement subassembly opposite echelongatedly, as shown in fig. 4.
The first flange reinforcing component and the second flange reinforcing component are then placed onto the flange sides of the preform body with the inside contours aligned with the preform body fibers. Finally, the first flange reinforcement assembly and the second flange reinforcement assembly are stapled to the flange edges of the preform body using staples, one staple for each step of the stepped butt joint, as shown in fig. 1.
The beneficial effects of the utility model are as follows:
1. the first flange reinforcement component and the second flange reinforcement component adopt a multilayer integral cutting mode for blanking, so that the shape is few in variety and is convenient to classify and distinguish. Compared with the prior art that the fibers with various shapes are cut singly and the various classification modes, the flange reinforcing classification method can achieve the effects of simplicity and high efficiency.
2. After the first flange reinforcing component and the second flange reinforcing component are bound, the splicing positions of the first flange reinforcing component and the second flange reinforcing component are cut into steps according to the cut gaps when the fibers are fed, so that the requirement that the splicing gap is not less than 25mm can be met, and the fiber edges can be ensured to be tidy when the first flange reinforcing component and the second flange reinforcing component are bound. Compared with the prior bonding structure of each layer of reinforced layer by layer after the fibers with various shapes are singly cut, the effect of tidy reinforced fibers is realized.
3. The first flange reinforcing component and the second flange reinforcing component are bound to the preformed body by using the stapler to replace the traditional glue spraying and bonding structure, so that the problems that glue spraying exceeds the range easily in the operation process, the spraying is uneven and the glue spraying amount is difficult to master are solved.
4. The flange reinforcement has traditional layer-by-layer bonding structure optimization to whole tailors binding structure, has saved spouting gluey material cost and operation beat effectively, takes 0.5 square meter flange reinforcement area as an example, and the reinforcement material cost is saved about 80%, and the operation beat is saved about 50%.
Drawings
FIG. 1 is a schematic view of the structure of a flange reinforcing portion of the present utility model;
FIG. 2 is a schematic structural view of a body portion of a preform of the present utility model;
FIG. 3 is a schematic view of the flange reinforcement of the present utility model as a whole;
FIG. 4 is a schematic view showing a stepped structure of the spliced position of the flange reinforcing fiber layer of the utility model after being cut layer by layer;
FIG. 5 is a schematic structural view of a flange reinforcement portion of a preform for an upper cover of a prior art composite battery case;
reference numerals: 10-preform body, 101-flange edge; 20-a first flange reinforcing component, 201-a first layer of the first flange reinforcing component, 202-a second layer of the first flange reinforcing component; 203-a third layer of a first flange reinforcing component; 30-a second flange reinforcing component, 301-a second flange reinforcing component first layer, 302-a second flange reinforcing component second layer, 303-a second flange reinforcing component third layer; 40-staples.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a composite material battery case top cover preform, which includes a preform body 10, a first flange reinforcing component 20, a second flange reinforcing component 30, and a locking component, where the preform body 10 includes a body fiber layer and a flange edge 101 at an edge of the body fiber layer, the first flange reinforcing component 20 and the second flange reinforcing component 30 are locked on the flange edge 101 by the locking component, and the first flange reinforcing component 20 and the second flange reinforcing component 30 are each a multi-layer structure fixed together, and the butt joint of the first flange reinforcing component 20 and the second flange reinforcing component 30 is a stepped layered structure in an opposite state.
The locking assembly includes a number of staples 40.
The flange reinforcing structure of the upper cover preformed body of the composite material battery box solves the two problems that the types of reinforcing fibers are various and the adhesive spraying and the layer-by-layer bonding are required. The multi-layer fiber cutting is carried out according to the number of layers of the flange reinforcing fibers, the multi-layer flange reinforcing fibers are bound into a whole by a stapler after cutting, then the fiber splicing positions are cut into steps layer by using scissors, and finally the whole flange reinforcing fibers are bound to the body of the preformed body without glue spraying and bonding, so that the problems that the number of reinforcing fibers is large, confusion is easy, glue spraying exceeds the range, spraying is uneven, the glue spraying amount is difficult to master and the like are solved.
Example 2
The embodiment is further optimized based on the embodiment 1, specifically:
the first flange reinforcing component 20 comprises a plurality of reinforcing fiber layers which are arranged in a stacked manner and are connected together through a plurality of staples 40, the second flange reinforcing component 30 comprises a plurality of reinforcing fiber layers which are arranged in a stacked manner and are connected together through a plurality of staples 40, and the number of the reinforcing fiber layers of the first flange reinforcing component 20 is the same as that of the reinforcing fiber layers of the second flange reinforcing component 30.
The first flange reinforcement component 20 and the second flange reinforcement component 30 are integrally U-shaped, the U-shape of the first flange reinforcement component 20 is opposite to the U-shaped opening of the first flange reinforcement component 20 and the edges of the U-shaped opening are aligned, and the butt joint of the edges of the first flange reinforcement component 20 and the second flange reinforcement component 30 is in a step shape.
The first flange reinforcing component 20 is fixed on the left side of the flange edge 101 in the forward direction through a plurality of staples 40, the second flange reinforcing component 30 is fixed on the right side of the flange edge 101 in the reverse direction through a plurality of staples 40, and the butt joint part of each layer of the first flange reinforcing component 20 and the second flange reinforcing component 30 is locked through the staples 40.
Specifically, first, the fibers are cut simultaneously in multiple layers according to the layout by using an automatic fiber cutting device, and the number of fiber layers is the same as that of the flange reinforcing fibers of the first flange reinforcing component and the second flange reinforcing component. When the typesetting diagram is designed, a notch is cut at the splicing position of the flange reinforcing fiber layers of the first flange reinforcing component and the second flange reinforcing component every 25-35mm, and the number of the notch is 1 less than the number of fiber layers.
After fiber blanking, the multi-layer flange reinforcing fiber layers of the first flange reinforcing component or the second flange reinforcing component are bound into a whole by using a stapler, and then the fiber splicing positions are cut layer by using scissors according to the notch positions, so that the notch positions are in a step shape.
Finally, the first flange reinforcement assembly and the second flange reinforcement assembly are stapled to the preform body using a stapler to form a completed composite battery case top preform.
Example 3
This example was further optimized based on example 1 or 2, specifically:
the first flange reinforcement component 20 includes the three-layer reinforcement fibrous layer that the range upon range of setting and link together through a plurality of staples 40, the second flange reinforcement component 30 is including the three-layer reinforcement fibrous layer that the range upon range of setting and link together through a plurality of staples 40, the butt joint department edge of first flange reinforcement component 20 is the echelonment that reduces gradually from down to up, the butt joint department edge of first flange reinforcement component 20 is the echelonment that increases gradually from last down.
The first flange reinforcing component 20 comprises a first flange reinforcing component first layer 201, a first flange reinforcing component second layer 202 and a first flange reinforcing component third layer 203 which are sequentially arranged from bottom to top;
the second flange reinforcing component 30 includes a first layer 301 of a second flange reinforcing component, a second layer 302 of a second flange reinforcing component, and a third layer 303 of a second flange reinforcing component, which are sequentially stacked from top to bottom.
Working principle: as shown in fig. 1 to 3, three layers of fibers are stacked, three layers of fibers are cut simultaneously according to a layout by using automatic fiber cutting equipment to form a first flange reinforcing component and a second flange reinforcing component, a notch with the depth of 10mm is cut every 25-35mm on each layer of the splicing position of the first flange reinforcing component and the second flange reinforcing component, the number of the notches is 2 (the number of layers of the flange reinforcing fibers is reduced by 1), and after the fibers are cut, three layers of flange reinforcing fibers are bound into the first flange reinforcing component and the second flange reinforcing component by using staples, as shown in fig. 3.
Secondly, cut out the first gap of splice end with first flange reinforcement subassembly second layer edge with the scissors, cut out the third layer of first flange reinforcement subassembly along splice end second gap, make first flange reinforcement subassembly splice end position be echelongatedly, cut out the second gap of splice end with second flange reinforcement subassembly first layer edge with the scissors, cut out the first gap of splice end with second flange reinforcement subassembly second layer edge, make second flange reinforcement subassembly splice end position be with first flange reinforcement subassembly opposite echelongatedly, as shown in fig. 4.
The first flange reinforcing component and the second flange reinforcing component are then placed onto the flange sides of the preform body with the inside contours aligned with the preform body fibers. Finally, the first flange reinforcement assembly and the second flange reinforcement assembly are stapled to the flange edges of the preform body using staples, one staple for each step of the stepped butt joint, as shown in fig. 1.
Claims (7)
1. The utility model provides a combined material battery case upper cover preformed body, its characterized in that includes preformed body (10), first flange reinforcement subassembly (20), second flange reinforcement subassembly (30) and locking subassembly, preformed body (10) include the main part fibrous layer and flange limit (101) at main part fibrous layer edge, first flange reinforcement subassembly (20) with second flange reinforcement subassembly (30) are all in through locking subassembly locking on flange limit (101), first flange reinforcement subassembly (20) with second flange reinforcement subassembly (30) are the multilayer structure that each is fixed together, first flange reinforcement subassembly (20) with second flange reinforcement subassembly (30) butt joint department is the ladder lamellar structure of opposite state.
2. A composite battery case top cover preform according to claim 1, wherein the locking assembly comprises a plurality of staples (40).
3. The composite battery case top cover preform of claim 2, wherein the first flange reinforcing component (20) comprises a plurality of reinforcing fiber layers arranged in a stack and connected together by a plurality of staples (40), the second flange reinforcing component (30) comprises a plurality of reinforcing fiber layers arranged in a stack and connected together by a plurality of staples (40), and the number of reinforcing fiber layers of the first flange reinforcing component (20) is the same as the number of reinforcing fiber layers of the second flange reinforcing component (30).
4. A composite material battery case top cover preform according to claim 3, wherein the first flange reinforcement component (20) and the second flange reinforcement component (30) are U-shaped as a whole, the U-shape of the first flange reinforcement component (20) is opposite to the U-shaped opening of the first flange reinforcement component (20) and aligned at the edge, and the edge butt joint of the first flange reinforcement component (20) and the second flange reinforcement component (30) is stepped.
5. The composite material battery case top cover preform of claim 4, wherein said first flange reinforcement member (20) is positively secured to the left side of said flange edge (101) by a plurality of staples (40), said second flange reinforcement member (30) is reversely secured to the right side of said flange edge (101) by a plurality of staples (40), and each layer of butt joint between said first flange reinforcement member (20) and said second flange reinforcement member (30) is locked by a staple (40).
6. The composite material battery case top cover preform of claim 4, wherein the first flange reinforcement component (20) comprises three reinforcement fiber layers which are stacked and connected together by a plurality of staples (40), the second flange reinforcement component (30) comprises three reinforcement fiber layers which are stacked and connected together by a plurality of staples (40), the butt edge of the first flange reinforcement component (20) is stepped in a decreasing manner from bottom to top, and the butt edge of the first flange reinforcement component (20) is stepped in a increasing manner from top to bottom.
7. The composite material battery case upper cover preform according to claim 6, wherein the first flange reinforcement component (20) comprises a first flange reinforcement component first layer (201), a first flange reinforcement component second layer (202) and a first flange reinforcement component third layer (203) which are sequentially arranged from bottom to top;
the second flange reinforcing component (30) comprises a second flange reinforcing component first layer (301), a second flange reinforcing component second layer (302) and a second flange reinforcing component third layer (303) which are sequentially stacked from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565922.8U CN220272675U (en) | 2023-06-19 | 2023-06-19 | Composite material battery box upper cover preformed body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565922.8U CN220272675U (en) | 2023-06-19 | 2023-06-19 | Composite material battery box upper cover preformed body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220272675U true CN220272675U (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321565922.8U Active CN220272675U (en) | 2023-06-19 | 2023-06-19 | Composite material battery box upper cover preformed body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220272675U (en) |
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2023
- 2023-06-19 CN CN202321565922.8U patent/CN220272675U/en active Active
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