CN210723258U

CN210723258U - Lithium battery module cover steel ring device

Info

Publication number: CN210723258U
Application number: CN201921811142.0U
Authority: CN
Inventors: 韩文才; 周德清; 王永军; 徐大潮; 罗军海
Original assignee: Anhui Yijiatong Battery Co ltd
Current assignee: Anhui Yijiatong Battery Co ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-06-09
Anticipated expiration: 2029-10-26

Abstract

The utility model provides a lithium battery module set steel ring device, which comprises a bracket, a worktable surface arranged on the bracket, a backing plate arranged on the worktable surface and used for stacking battery cells, and a battery cell extruding mechanism arranged at two sides of the backing plate and used for clamping the battery cells; the backing plate includes fixed backing plate, activity backing plate and adjusting shim plate, can adapt to the module electricity core demand of different quantity through the quantity of increase and decrease adjusting shim plate, has adjustable function, and accommodation is strong. The pressure sensor is installed to electric core extrusion mechanism, can real-time supervision extrusion pressure degree, prevents that the dynamics too big damage that leads to electric core. The movable base plate is connected with the second screw rod, so that the steel ring can be stretched tightly, and the steel ring can be conveniently sleeved.

Description

Lithium battery module cover steel ring device

Technical Field

The utility model relates to a lithium cell production technical field specifically is a lithium cell module cover steel ring device.

Background

In the production process of the lithium battery pack, a battery pack grouping process is a key step of power battery pack production. The single battery cores are combined together to form a module, and the first step of the production of the lithium battery pack module is realized. The modules are assembled into battery packs with different specifications, each battery pack comprises different numbers of battery modules, and the single battery cell is the minimum unit for forming the battery module. The connection form of monomer electricity core is different among the different battery module, nevertheless connects anyhow and all need stack the monomer electricity core of constituteing same module together to exert sufficient pressure at battery module both ends and retrain, take place to bulge the shell, scatter the frame phenomenon in preventing the battery use. The common scheme among the prior art is to place at the electric core both ends that stack together with monomer electric core shape assorted plastics end plate, extrude behind the plastics end plate at both ends with rectangle steel ring cuff on the end plate at both ends. In the process, equipment is needed to extrude the stacked battery cores and the end plates to a certain proper size, and then the steel ring is sleeved. Therefore, the invention provides a steel ring sleeving device for a lithium battery module, which is convenient for extruding a battery core and an end plate to a certain proper size.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a lithium battery module cover steel ring device to solve the problem that proposes in the above-mentioned background art.

The utility model provides a technical problem adopt following technical scheme to realize: a lithium battery module steel ring sleeving device comprises a support, a workbench surface arranged on the support, a base plate arranged on the workbench surface and used for stacking battery cells, and a battery cell extruding mechanism arranged on two sides of the base plate and used for clamping the battery cells; the battery cell extrusion mechanism comprises a first plate seat and a second plate seat which are arranged on two sides of a base plate, a first lead screw sleeve set arranged on the first plate seat and a movable top plate body pushed by the first lead screw sleeve set, the movable top plate body and the second plate seat clamp and extrude a battery cell, and a pressure sensor for detecting extrusion force is arranged between the movable top plate body and the first lead screw sleeve set; the base plate comprises a fixed base plate fixedly arranged on the working table, a movable base plate sliding on the working table and an adjusting base plate positioned between the fixed base plate and the movable base plate; the movable base plate is controlled to move through the second screw rod sleeve group to enable the steel ring to stretch and tighten.

As a further aspect of the present invention: the first screw rod set comprises a first nut installed on the first plate base, a first screw rod in threaded connection with the first nut, and a rotating handle installed at the outer end of the first screw rod.

As a further aspect of the present invention: the first screw rod is fixedly connected with a rotating handle at one end far away from the base plate, and the rotating handle and the first screw rod form a T-shaped structure; one end of the first lead screw, which is close to the base plate, is rotatably connected with a pressure sensor seat, the pressure sensor is fixedly installed on the pressure sensor seat, guide rods for strengthening the stability of the movable top plate body are arranged on two sides of the pressure sensor seat, and the guide rods are fixedly installed on the movable top plate body and are in sliding connection with the pressure sensor seat.

As a further aspect of the present invention: the lower end of the pressure sensor seat is provided with a connecting plate which is convenient to push and slide, and the connecting plate is arranged on first sliding rails on two sides of the base plate through first sliding blocks; the first slide rail is fixed on the two sides of the working table surface, which are positioned on the backing plate.

As a further aspect of the present invention: the lower extreme that support one side is located table surface is equipped with the display mounting panel, installs the pressure display of electricity connection pressure-sensitive transducer on the display mounting panel.

As a further aspect of the present invention: one side of the second plate seat, which is close to the fixed base plate, is provided with a top plate which is used for abutting against the plastic end plate, and the outer side of the top plate is provided with a plurality of positioning nails used for positioning the plastic end plate.

As a further aspect of the present invention: the second screw rod set comprises a second nut installed on the second plate seat, a second screw rod in threaded connection with the second nut, and a second handle installed on the second screw rod.

As a further aspect of the present invention: the second screw rod is in threaded connection with a second nut on the second plate base, penetrates through the corresponding holes of the fixed base plate and the adjusting base plate and is rotatably connected with the movable base plate.

As a further aspect of the present invention: the lower end of the movable base plate is correspondingly provided with a second sliding rail, and the movable base plate is connected with the second sliding rail in a sliding mode through a second sliding block.

Compared with the prior art, the beneficial effects of the utility model are that: a lithium battery module steel ring sleeving device comprises a support, a workbench surface arranged on the support, a base plate arranged on the workbench surface and used for stacking battery cells, and a battery cell extruding mechanism arranged on two sides of the base plate and used for clamping the battery cells; the backing plate includes fixed backing plate, activity backing plate and adjusting shim plate, can adapt to the module electricity core demand of different quantity through the quantity of increase and decrease adjusting shim plate, has adjustable function, and accommodation is strong. The pressure sensor is installed to electric core extrusion mechanism, can real-time supervision extrusion pressure degree, prevents that the dynamics too big damage that leads to electric core. The movable base plate is connected with the second screw rod, so that the steel ring can be stretched tightly, and the steel ring can be conveniently sleeved.

Drawings

Fig. 1 is a schematic perspective view of a lithium battery module steel ring sheathing device of the present invention;

FIG. 2 is a schematic front view of FIG. 1;

fig. 3 is a schematic top view of fig. 1.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.

As shown in FIGS. 1-3,

the embodiment provides a lithium battery module steel ring sleeving device which comprises a support 1, a workbench surface 11 arranged on the support 1, a base plate arranged on the workbench surface 11 and used for stacking battery cells, and a battery cell extruding mechanism arranged on two sides of the base plate and used for clamping the battery cells; the cell extrusion mechanism comprises a first plate seat 21 and a second plate seat 22 which are arranged on two sides of a base plate, a first lead screw sleeve group arranged on the first plate seat 21 and a movable top plate body 23 pushed by the first lead screw sleeve group, the movable top plate body 23 and the second plate seat 22 clamp and extrude a cell, and a pressure sensor 24 for detecting extrusion force is arranged between the movable top plate body 23 and the first lead screw sleeve group; the base plates comprise a fixed base plate 12 fixedly arranged on a working table 11, a movable base plate 13 sliding on the working table and an adjusting base plate 14 positioned between the fixed base plate 12 and the movable base plate 13; the movable base plate 13 is controlled by the second screw rod sleeve group to move so that the steel ring 15 is stretched and tightened.

In this embodiment, the first screw set includes a first nut 25 mounted on the first plate seat 21, a first screw 26 screwed with the first nut 25, and a rotating handle 27 mounted at an outer end of the first screw 26. One end of the first screw rod 26, which is far away from the cushion plate, is fixedly connected with a rotating handle 27, and the rotating handle 27 and the first screw rod 26 form a T-shaped structure; one end of the first screw rod 26 close to the pad is rotatably connected with a pressure sensor seat 28, the pressure sensor 24 is fixedly installed on the pressure sensor seat 28, guide rods 29 for enhancing the stability of the movable ejector plate body 23 are arranged on two sides of the first screw rod 26 of the pressure sensor seat 28, and the guide rods 29 are fixedly installed on the movable ejector plate body 23 and are in sliding connection with the pressure sensor seat 28. The lower end of the pressure sensor seat 28 is provided with a connecting plate 30 which is convenient for pushing and sliding, and the connecting plate 30 is arranged on first slide rails 32 at two sides of the base plate through first slide blocks 31; the first slide rails 32 are fixed on the working table 11 at two sides of the backing plate.

In this embodiment, a display mounting plate 16 is disposed on one side of the bracket 1 and located at the lower end of the working platform 11, and a pressure display 17 electrically connected to the pressure sensor 24 is mounted on the display mounting plate 16.

In this embodiment, a top plate 18 abutting against the plastic end plate is disposed on one side of the second plate seat 22 close to the fixed backing plate 12, and a plurality of positioning pins 19 for positioning the plastic end plate are disposed on the outer side of the top plate 18. The second set of lead screws includes a second nut 33 mounted on the second plate holder 22, a second lead screw 34 threadedly coupled to the second nut 33, and a second handle 35 mounted on the second lead screw 34. The second screw rod 34 is in threaded connection with the second nut 33 on the second plate seat 22, and the second screw rod 34 penetrates through corresponding holes of the fixed cushion plate 12 and the adjusting cushion plate 14 and is rotatably connected with the movable cushion plate 13. The lower end of the movable backing plate 13 is correspondingly provided with a second slide rail 10, and the movable backing plate 13 is connected with the second slide rail 10 in a sliding manner through a second slide block.

The utility model discloses a theory of operation does: sleeving the steel ring 15 on the fixed cushion plate and the movable cushion plate, rotationally pushing a second screw rod 34 through a second handle 35, and pushing the movable cushion plate 13 to move by the second screw rod 34 to stretch the steel ring 15 tightly; place electric core on the backing plate, the plastics end plate is placed at electric core both ends, it pushes away roof body 23 extrusion electric core to promote through first lead screw 26, it passes to pressure sensors 24 with power to move roof body 23, observe the size of power numerical value on pressure display 17, judge the extruded degree of module, reach required power requirement, stop the extrusion, with 15 cuffs of steel ring on the plastics module, then rotate first lead screw 26, loose and move roof body 23, the module takes out, whole module cover steel ring process is accomplished.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium battery module cover steel ring device, includes the support and installs table surface on the support, install and be used for stacking the backing plate of electric core on table surface, set up the electric core extrusion mechanism at backing plate both sides centre gripping electric core, its characterized in that: the battery cell extrusion mechanism comprises a first plate seat and a second plate seat which are arranged on two sides of a base plate, a first lead screw sleeve set arranged on the first plate seat and a movable top plate body pushed by the first lead screw sleeve set, the movable top plate body and the second plate seat clamp and extrude a battery cell, and a pressure sensor for detecting extrusion force is arranged between the movable top plate body and the first lead screw sleeve set; the base plate comprises a fixed base plate fixedly arranged on the working table, a movable base plate sliding on the working table and an adjusting base plate positioned between the fixed base plate and the movable base plate; the movable base plate is controlled to move through the second screw rod sleeve group to enable the steel ring to stretch and tighten.

2. The lithium battery module steel ring sheathing device according to claim 1, characterized in that: the first screw rod set comprises a first nut installed on the first plate base, a first screw rod in threaded connection with the first nut, and a rotating handle installed at the outer end of the first screw rod.

3. The lithium battery module steel ring sheathing device according to claim 2, characterized in that: the first screw rod is fixedly connected with a rotating handle at one end far away from the base plate, and the rotating handle and the first screw rod form a T-shaped structure; one end of the first lead screw, which is close to the base plate, is rotatably connected with a pressure sensor seat, the pressure sensor is fixedly installed on the pressure sensor seat, guide rods for strengthening the stability of the movable top plate body are arranged on two sides of the pressure sensor seat, and the guide rods are fixedly installed on the movable top plate body and are in sliding connection with the pressure sensor seat.

4. The lithium battery module steel ring sheathing device according to claim 3, characterized in that: the lower end of the pressure sensor seat is provided with a connecting plate which is convenient to push and slide, and the connecting plate is arranged on first sliding rails on two sides of the base plate through first sliding blocks; the first slide rail is fixed on the two sides of the working table surface, which are positioned on the backing plate.

5. The lithium battery module steel ring sheathing device according to claim 1, characterized in that: the lower extreme that support one side is located table surface is equipped with the display mounting panel, installs the pressure display of electricity connection pressure-sensitive transducer on the display mounting panel.

6. The lithium battery module steel ring sheathing device according to claim 1, characterized in that: one side of the second plate seat, which is close to the fixed base plate, is provided with a top plate which is used for abutting against the plastic end plate, and the outer side of the top plate is provided with a plurality of positioning nails used for positioning the plastic end plate.

7. The lithium battery module steel ring sheathing device according to claim 6, characterized in that: the second screw rod set comprises a second nut installed on the second plate seat, a second screw rod in threaded connection with the second nut, and a second handle installed on the second screw rod.

8. The lithium battery module steel ring sheathing device according to claim 7, characterized in that: the second screw rod is in threaded connection with a second nut on the second plate base, penetrates through the corresponding holes of the fixed base plate and the adjusting base plate and is rotatably connected with the movable base plate.

9. The lithium battery module steel ring sheathing device according to claim 8, characterized in that: the lower end of the movable base plate is correspondingly provided with a second sliding rail, and the movable base plate is connected with the second sliding rail in a sliding mode through a second sliding block.