CN219998414U - Extrusion device for CTP battery pack - Google Patents
Extrusion device for CTP battery pack Download PDFInfo
- Publication number
- CN219998414U CN219998414U CN202321496112.1U CN202321496112U CN219998414U CN 219998414 U CN219998414 U CN 219998414U CN 202321496112 U CN202321496112 U CN 202321496112U CN 219998414 U CN219998414 U CN 219998414U
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- extrusion
- rod
- extrusion rod
- ctp
- fixing frame
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- 238000001125 extrusion Methods 0.000 title claims abstract description 94
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of CTP battery pack cell fixing, and provides an extrusion device for a CTP battery pack, which comprises a box body, a fixing frame, an extrusion rod and a driving unit, wherein the fixing frame is fixedly arranged in the box body; the extrusion rod is arranged on the fixing frame in a sliding manner, and the sliding direction of the extrusion rod is parallel to the arrangement direction of the plurality of battery cells; the driving unit is used for driving the extrusion rod to slide and fixing the position of the extrusion rod so as to fix the plurality of battery cells in the box body. According to the utility model, the extrusion rod with the sliding direction parallel to the arrangement direction of the plurality of electric cores is arranged, and when the electric cores are extruded by the extrusion rod driven by the driving unit, the extrusion rod can be prevented from sliding with the electric cores or the box body, so that a good protection effect is achieved.
Description
Technical Field
The utility model relates to the technical field of CTP battery pack cell fixing, in particular to an extrusion device for a CTP battery pack.
Background
CTP (Cell to Pack) the battery pack is a technology of directly integrating the battery core into the battery pack, and because the battery pack omits a battery module link, the processing is simplified and optimized, the production efficiency is improved, and the cost of materials is reduced.
The utility model of the prior publication number CN216145733U discloses a CTP battery pack and an automobile, which adopt a mode of integrating the battery pack to reduce the use of materials, improve the energy density of the battery pack, effectively control the production cost, fix the battery cells in a box body in a stacking mode without complex module grouping and assembling processes, effectively improve the production efficiency, and increase the structural strength of the battery cell module and prolong the cycle life of the battery pack by virtue of the extrusion principle of power.
In the above-mentioned technical scheme, in order to realize fixing to the electric core, it has set up extrusion roof beam, screw rod, reinforcing sleeve and slide wedge structure, utilizes the rotation to the screw rod, can adjust extrusion roof beam to the extrusion force of electric core, however, in this adjustment process, extrusion roof beam can take place to slide with electric core and slide wedge mechanism, causes the damage to electric core and box easily.
Disclosure of Invention
In view of this, the present utility model provides an extrusion device for CTP battery packs, which can avoid damage to the battery cells and the case when adjusting the extrusion force of the battery cells.
The technical scheme of the utility model is realized as follows: the utility model provides an extrusion device for CTP battery packs, which comprises a box body, a fixing frame, an extrusion rod and a driving unit, wherein,
the fixing frame is fixedly arranged in the box body;
the extrusion rod is arranged on the fixing frame in a sliding manner, and the sliding direction of the extrusion rod is parallel to the arrangement direction of the plurality of battery cells;
the driving unit is used for driving the extrusion rod to slide and fixing the position of the extrusion rod so as to fix the plurality of battery cells in the box body.
On the basis of the technical proposal, preferably, the driving unit comprises a poking hand, a connecting rod and a fixing bolt, wherein,
one end of the poking hand is rotatably arranged on the fixing frame;
the two ends of the connecting rod are respectively rotatably arranged on the poking hand and the extrusion rod;
the fixing bolt is used for fixedly connecting the pulling hand with the connecting rod and/or the connecting rod with the extrusion rod.
Still further preferably, the fixing bolt is screwed on the hand and/or the extrusion rod, and the front end of the fixing bolt can selectively abut against the connecting rod.
Still more preferably, the connecting rod has an arcuate rod-like structure.
On the basis of the technical scheme, the battery pack also comprises an end plate, wherein the end plate is arranged between the battery cell and the extrusion rod.
Still further preferably, a limiting cylinder is fixedly arranged on one side, away from the battery cell, of the end plate, and the extrusion rod is in sliding connection with the limiting cylinder.
Still further preferably, the device further comprises a buffer pad, wherein the buffer pad is arranged between the fixing frame and the end plate and is propped against the fixing frame and the end plate.
Still more preferably, the cushion pad is provided with a through hole, and the extrusion rod penetrates through the through hole.
Still further preferably, the fixing frame, the pressing rod and the driving unit are provided with two opposite sides with respect to a center line of the cushion pad.
Compared with the prior art, the extrusion device for the CTP battery pack has the following beneficial effects:
(1) By arranging the extrusion rods with the sliding directions parallel to the arrangement directions of the plurality of electric cores, when the electric cores are extruded by the extrusion rods driven by the driving unit, the extrusion rods can be prevented from sliding with the electric cores or the box body, and a good protection effect is achieved;
(2) The extruding rod can be slid by means of rotating the poking handle through the poking handle and the connecting rod, the operation is more labor-saving, the connecting rod is fixedly connected with the poking handle and/or the extruding rod through the fixing bolt, the battery cell can be conveniently extruded and fixed, and the efficiency of integrating the battery cell into a battery pack is improved;
(3) Through setting up the blotter, can cushion the expansion force that produces when expanding the electric core to promoted this extrusion device and to the fixed firm degree of end plate.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of an extrusion device for CTP battery packs according to the present utility model;
fig. 2 is a perspective view of an extrusion device for CTP battery packs according to the present utility model;
fig. 3 is a perspective view of an extrusion device for CTP battery packs according to the present utility model;
fig. 4 is a perspective view of an extrusion device for CTP battery packs according to the present utility model;
fig. 5 is a perspective view of an extrusion device for CTP battery packs according to the present utility model;
fig. 6 is a perspective view of an extrusion device for CTP battery packs according to the present utility model.
Wherein: 1. a case; 2. a fixing frame; 3. an extrusion rod; 4. a driving unit; 41. a hand pulling device; 42. a connecting rod; 43. a fixing bolt; 5. an end plate; 51. a limiting cylinder; 6. a cushion pad; 601. perforating; 7. and a battery cell.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
As shown in fig. 1 to 6, the extrusion device for CTP battery packs of the present utility model comprises a case 1, a fixing frame 2, an extrusion rod 3 and a driving unit 4.
Wherein, box 1 is CTP battery package's main body frame, plays the effect of supporting electric core 7.
The fixing frame 2 is an installation carrier of the extrusion device, plays a role in supporting other components, and the fixing frame 2 is fixedly arranged in the box body 1.
The extrusion rod 3 is used for extruding the electric core 7, and the extrusion rod 3 slides and sets up on mount 2, and its slip direction is parallel with the range direction of a plurality of electric cores 7, as shown in fig. 1, when extrusion rod 3 slides, only can exert its range direction's force to electric core 7, not only exert other direction's force to electric core 7, avoid causing the damage to it, still can not produce the extrusion to box 1, also played good protection effect to box 1.
The driving unit 4 is used for driving the extrusion rod 3 to slide, and when the extrusion rod 3 abuts against the fixed battery cells 7, the position of the extrusion rod 3 is fixed, so that the plurality of battery cells 7 are fixed in the box body 1.
As a preferred embodiment, the driving unit 4 may be configured to include a hand 41, a link 42, and a fixing bolt 43, wherein one end of the hand 41 is rotatably disposed on the fixing frame 2, two ends of the link 42 are rotatably disposed on the hand 41 and the extrusion rod 3, respectively, and the fixing bolt 43 is used for fixedly connecting the hand 41 and the link 42 and/or the link 42 and the extrusion rod 3; as shown in fig. 3 and 4, when the fixing bolt 43 does not fixedly connect the hand 41 with the connecting rod 42 and/or the connecting rod 42 with the extrusion rod 3, the hand 41 is moved left and right, and the extrusion rod 3 can be driven by the connecting rod 42 to slide left and right, so that the extrusion rod 3 abuts against the battery cell 7, and when the hand 41 is fixedly connected with the connecting rod 42 or the connecting rod 42 with the extrusion rod 3 or the hand 41 is fixedly connected with the connecting rod 42 and the connecting rod 42 with the extrusion rod 3, the position of the extrusion rod 3 is kept unchanged, so that the effect of fixing the battery cell 7 is achieved.
As a preferred embodiment, in order to achieve the fixing connection of the fixing bolt 43 to the hand 41, the connecting rod 42 and the extrusion rod 3, the fixing bolt 43 may be screwed to the hand 41 or the extrusion rod 3, or the fixing bolt 43 may be screwed to the hand 41 and the extrusion rod 3, and the front end of the fixing bolt 43 may selectively abut against the connecting rod 42, in which case, if the position of the extrusion rod 3 needs to be fixed, the fixing bolt 43 may be turned.
Further, the connecting rod 42 is preferably provided with an arc-shaped rod structure, as shown in fig. 4, the left end of the arc-shaped connecting rod 42 can be more suitable for meeting the driving force of the hand 41, so that the stress uniformity of the connecting rod 42 is improved, and the breakage of the connecting rod 42 caused by stress deflection is prevented.
Because the end surface area of the extrusion rod 3 is smaller, the extrusion rod is easy to damage when the electric core 7 is extruded, in order to avoid the problem, an end plate 5 can be arranged, the end plate 5 is arranged between the electric core 7 and the extrusion rod 3, the contact surface between the end plate 5 and the electric core 7 is relatively larger, and a good protection effect is achieved; further, in order to prevent the end plate 5 from shaking during the sliding process of the extrusion rod 3, as shown in fig. 5, a limiting cylinder 51 may be fixedly disposed on a side of the end plate 5 away from the battery cell 7, so that the extrusion rod 3 is slidably connected with the limiting cylinder 51.
Optionally, a cushion pad 6 may be further disposed, where the cushion pad 6 is disposed between the fixing frame 2 and the end plate 5 and abuts against the fixing frame 2 and the end plate 5, as shown in fig. 2, in the use process of the battery pack, if the battery cell 7 expands, a leftward expansion force is applied to the end plate 5 and the extrusion rod 3, and the cushion pad 6 abuts against the end plate 5, so that the expansion force can be buffered and absorbed, thereby reducing the fixing pressure of the driving unit 4, and improving the fixing firmness and the protection performance of the extrusion device.
In a preferred embodiment, in order to enhance the cushioning effect of the cushion pad 6, the cross section of the cushion pad 6 may be set to be identical to the cross section of the end plate 5, and the cushion pad 6 may be provided with a through hole 601, so that the compression rod 3 may pass through the through hole 601.
Further, in order to improve the stability of the pressure applied by the present compression device, the fixing frame 2, the compression rod 3 and the driving unit 4 may be provided with two opposite sides with respect to the center line of the cushion pad 6.
The application method of the extrusion device for the CTP battery pack comprises the following steps:
as shown in fig. 2, the pulling hand 41 is turned to the left first, then a plurality of battery cells 7 are placed at the right position of the end plate 5 in the case 1, then the pulling hand 41 is turned to the right to drive the extrusion rod 3 to extrude the end plate 5, the battery cells 7 are pre-fixed, and finally the fixing bolts 43 are screwed, so that the operation of fixing the battery cells 7 in the case 1 can be completed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. Extrusion device for CTP battery package, its characterized in that: comprises a box body (1), a fixing frame (2), an extrusion rod (3) and a driving unit (4), wherein,
the fixing frame (2) is fixedly arranged in the box body (1);
the extrusion rod (3) is arranged on the fixed frame (2) in a sliding manner, and the sliding direction of the extrusion rod is parallel to the arrangement direction of the plurality of battery cells (7);
the driving unit (4) is used for driving the extrusion rod (3) to slide and fixing the position of the extrusion rod (3) so as to fix a plurality of battery cells (7) in the box body (1).
2. The extrusion device for CTP battery packs as claimed in claim 1, wherein: the driving unit (4) comprises a poking hand (41), a connecting rod (42) and a fixing bolt (43), wherein,
one end of the poking hand (41) is rotatably arranged on the fixing frame (2);
the two ends of the connecting rod (42) are respectively rotatably arranged on the poking hand (41) and the extrusion rod (3);
the fixing bolt (43) is used for fixedly connecting the pulling hand (41) with the connecting rod (42) and/or the connecting rod (42) with the extrusion rod (3).
3. The extrusion device for CTP battery packs as claimed in claim 2, wherein: the fixing bolt (43) is screwed on the poking hand (41) and/or the extrusion rod (3), and the front end of the fixing bolt can selectively abut against the connecting rod (42).
4. A CTP battery pack compression device as defined in claim 3, wherein: the connecting rod (42) is of an arc-shaped rod-shaped structure.
5. The extrusion device for CTP battery packs as claimed in any one of claims 1 to 4, wherein: the battery pack also comprises an end plate (5), wherein the end plate (5) is arranged between the battery cell (7) and the extrusion rod (3).
6. The extrusion device for CTP battery packs as claimed in claim 5, wherein: one side of the end plate (5) far away from the battery cell (7) is fixedly provided with a limiting cylinder (51), and the extrusion rod (3) is in sliding connection with the limiting cylinder (51).
7. The extrusion device for CTP battery packs as claimed in claim 6, wherein: the novel fixing frame also comprises a cushion pad (6), wherein the cushion pad (6) is arranged between the fixing frame (2) and the end plate (5) and is propped against the fixing frame and the end plate.
8. The extrusion device for CTP battery packs as claimed in claim 7, wherein: the buffer cushion (6) is provided with a perforation (601), and the extrusion rod (3) penetrates through the perforation (601).
9. The extrusion device for CTP battery packs as claimed in claim 8, wherein: the fixing frame (2), the extrusion rod (3) and the driving unit (4) are oppositely arranged at two positions relative to the central line of the buffer cushion (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321496112.1U CN219998414U (en) | 2023-06-12 | 2023-06-12 | Extrusion device for CTP battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321496112.1U CN219998414U (en) | 2023-06-12 | 2023-06-12 | Extrusion device for CTP battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219998414U true CN219998414U (en) | 2023-11-10 |
Family
ID=88614322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321496112.1U Active CN219998414U (en) | 2023-06-12 | 2023-06-12 | Extrusion device for CTP battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219998414U (en) |
-
2023
- 2023-06-12 CN CN202321496112.1U patent/CN219998414U/en active Active
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