CN219901850U

CN219901850U - High-stability heat stabilization tool

Info

Publication number: CN219901850U
Application number: CN202321037142.6U
Authority: CN
Inventors: 魏宏伟; 魏洪雁
Original assignee: Harbin Jihengwei Machinery Manufacturing Co ltd
Current assignee: Harbin Jihengwei Machinery Manufacturing Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-10-27
Anticipated expiration: 2033-05-04

Abstract

The utility model provides a high-stability heat stabilization tool, which belongs to the technical field of tool clamps and comprises a bottom plate; the connecting column is fixedly connected to the upper end of the bottom plate, and the upper end of the connecting column is fixedly connected with the mounting plate; the moving block is connected to the mounting plate in a sliding manner; the clamping block is connected to the moving block; and the clamping and fixing mechanism comprises a first rotating rod, a gear, a sliding frame, a toothed plate and a driving assembly, wherein the first rotating rod is rotationally connected to the upper end of the bottom plate, the gear is fixedly connected to the upper end of the first rotating rod, the sliding frame is fixedly connected to the upper end of the bottom plate, and the clamping mechanism is arranged on the sliding frame, so that when the workpiece is clamped and fixed, the workpiece can slide through the moving block, the device can be meshed with the toothed plate through the rotation of the first rotating rod, the toothed plate can be moved, and the moving block can move close to or away from the toothed plate to fixedly clamp the workpiece.

Description

High-stability heat stabilization tool

Technical Field

The utility model belongs to the technical field of tool fixtures, and particularly relates to a high-stability heat stabilization tool.

Background

With the development of the lithium ion battery industry, the requirement on energy density is higher and higher, the positive electrode is from LFP to NCM622 to NCM811, the negative electrode is from graphite to a silicon carbon system, the energy density is improved due to the change of a material system, and meanwhile, a great challenge is brought to the safety of the battery. Therefore, it is necessary to perform relevant safety tests before and after use of the lithium ion battery.

According to the traditional thermal stability test method, firstly, a battery cell is directly placed in an oven for a heating experiment, and the thermocouple attached to the surface of an aluminum plastic film cannot detect the temperature of the internal battery cell due to the fact that the battery cell is inflated after being heated, so that the accuracy of a test result is lacking. The second method is to introduce a fixture for the problem of cell bulge existing in the method 1, namely, a clamping strip is added to the middle part of the cell, and although the method solves the problem of cell bulge, the temperature of the middle part of the surface of the cell can be detected, but the method has the condition of inconsistent parallel samples. During heating, the separator may shrink, causing internal shorting to occur, thereby inducing thermal runaway, making the test results inconsistent between parallel samples. The third method is to introduce a sheet-shaped clamping plate tool for preventing the diaphragm from shrinking in a mode of compressing the top of the battery cell in a whole coverage way under the condition of inconsistent parallel samples in the second method, but the temperature rising rate of the battery cell is slower due to poor heat conductivity of the clamping plate, so that the testing efficiency is low, and in addition, the clamping plate can absorb heat released by the battery cell when the battery cell generates heat, so that the heat absorption is large, and the testing temperature is lower.

The utility model provides a lithium cell thermal stability test fixture who authorizes publication number "CN 212111715U" has recorded, a compromise high efficiency and accuracy, including the clamp plate subassembly, the clamp plate subassembly includes horizontal clamp plate down, and the top interval of horizontal clamp plate down is provided with horizontal clamp plate, has the clamp mouth that holds lithium cell electricity core and pass down between horizontal clamp plate down, the horizontal clamp plate of going up, a plurality of the clamp plate subassembly set up respectively in the middle part of the both ends and the electric core of electric core, the top at clamp plate subassembly both ends, bottom all are equipped with vertical clamp plate, go up horizontal clamp plate, down and be detachable connection between horizontal clamp plate, the vertical clamp plate. The lithium battery thermal stability testing tool disclosed by the utility model can be used for considering high efficiency and accuracy in the lithium ion battery thermal stability testing process, so that the actual testing requirements can be met more conveniently and accurately.

The lithium battery thermal stability test fixture of the patent can be used for considering high efficiency and accuracy in the lithium ion battery thermal stability test process, so that actual test requirements can be met more conveniently and accurately, but the fixture in the prior art is poor in fixing effect when being used, and cannot be used for clamping according to test workpieces of different sizes and dimensions, so that the use effect is poor.

Disclosure of Invention

The utility model aims to provide a high-stability heat-stable tool, and aims to solve the problems that the fixture in the prior art is poor in fixing effect when in use, and cannot clamp according to test workpieces of different sizes, so that the using effect is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a high stability heat stabilization tooling comprising:

a bottom plate;

the connecting column is fixedly connected to the upper end of the bottom plate, and the upper end of the connecting column is fixedly connected with the mounting plate;

the moving block is connected to the mounting plate in a sliding manner;

the clamping block is connected to the moving block;

and

the clamping and fixing mechanism comprises a first rotating rod, a gear, a sliding frame, a toothed plate and a driving component, wherein the first rotating rod is rotationally connected to the upper end of the bottom plate, the gear is fixedly connected to the upper end of the first rotating rod, the sliding frame is fixedly connected to the upper end of the bottom plate, the toothed plate is slidingly connected to the sliding frame, the upper end of the toothed plate is connected with a moving block, the toothed plate is meshed with the sliding frame, and the driving component is arranged on the lower side of the bottom plate to clamp a bayonet.

As a preferred embodiment of the present utility model, the driving assembly includes a second rotating rod rotatably connected to a side end of the base plate, a second sprocket fixedly connected to a lower end of the second rotating rod, a first sprocket fixedly connected to a lower end of the first rotating rod, and a toothed chain engaged rotatably connected to circumferential surfaces of the second sprocket and the first sprocket.

As a preferable scheme of the utility model, the upper end of the bottom plate is fixedly connected with the connecting plate, the upper end of the second rotating rod is fixedly connected with the ratchet wheel, the lower end of the ratchet wheel is fixedly connected with the adjusting handle, the upper ends of the adjusting handle and the connecting plate are respectively and rotatably connected with the ratchet teeth through the rotating shaft, and the two ratchet teeth are respectively meshed with the ratchet wheel.

As a preferable scheme of the utility model, a bayonet is arranged at the upper end of the moving block, a limit post is fixedly connected to the lower end of the bayonet, and the clamping block is matched with the bayonet.

As a preferable scheme of the utility model, four corners of the lower end of the bottom plate are fixedly connected with fixing blocks.

As a preferable scheme of the utility model, the upper end of the clamping block is provided with a limit hole matched with the limit column, and the limit hole is matched with the limit column.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this scheme, through the fixture that is provided with to make when carrying out the slip of accessible movable block when the centre gripping of work piece is fixed, make the device mesh with the pinion rack through the rotation of first dwang, thereby remove the pinion rack, make the movable block carry out the motion that is close to mutually or keeps away from mutually and carry out fixed centre gripping with the work piece.

2. In this scheme, the movable block plays the realization and carries out the centre gripping with the work piece when using, and the upper end of movable block is provided with the clamp splice for be convenient for the installation and replace better when carrying out different work piece centre gripping, make the device result of use promote when using further.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is an exploded view of the present utility model at the connection post of FIG. 2;

fig. 4 is an enlarged view of the ratchet wheel of fig. 2 in accordance with the present utility model.

In the figure: 1. a bottom plate; 2. a connecting column; 3. a mounting plate; 4. a moving block; 5. a bayonet; 6. a limit column; 7. clamping blocks; 8. a carriage; 9. a toothed plate; 10. a first rotating lever; 11. a first sprocket; 12. a gear; 13. a second rotating lever; 14. a second sprocket; 15. a toothed chain; 16. a connecting plate; 17. adjusting the handle; 18. a ratchet; 19. a ratchet wheel; 20. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Example 1

Referring to fig. 1-4, the present utility model provides the following technical solutions:

a high stability heat stabilization tooling comprising:

a base plate 1;

the connecting column 2 is fixedly connected to the upper end of the bottom plate 1, and the upper end of the connecting column 2 is fixedly connected with the mounting plate 3;

the moving block 4 is connected to the mounting plate 3 in a sliding manner;

the clamping block 7, the clamping block 7 is connected to the movable block 4;

and

the clamping and fixing mechanism comprises a first rotating rod 10, a gear 12, a sliding frame 8, a toothed plate 9 and a driving component, wherein the first rotating rod 10 is rotationally connected to the upper end of the bottom plate 1, the gear 12 is fixedly connected to the upper end of the first rotating rod 10, the sliding frame 8 is fixedly connected to the upper end of the bottom plate 1, the toothed plate 9 is slidably connected to the sliding frame 8, the upper end of the toothed plate 9 is connected with the moving block 4, the toothed plate 9 is meshed with the sliding frame 8, and the driving component is arranged on the lower side of the bottom plate 1 to realize clamping of the bayonet 5.

In a specific embodiment of the utility model, the base plate 1 can be made of stainless steel, the connecting column 2 is used for connecting the mounting plate 3, the moving block 4 is used for clamping workpieces during use, the clamping block 7 is arranged at the upper end of the moving block 4, so that the mounting and replacement are better facilitated during different workpiece clamping, the use effect of the device is further improved during use, the clamping mechanism is arranged, the device can be meshed with the toothed plate 9 through sliding of the moving block 4 during workpiece clamping and fixing, the toothed plate 9 is moved through the rotation of the first rotating rod 10, the workpiece is fixedly clamped through the approaching or separating motion of the moving block 4, the gear 12 is meshed with the toothed plate 9 after the gear 12 is connected, and the bayonet 5 is better driven to move with the toothed plate 9 during rotation, so that the workpiece is fixedly clamped through the approaching or separating motion of the toothed plate 4.

Referring to fig. 2 to 4, the driving assembly includes a second rotating rod 13, a second sprocket 14, a first sprocket 11 and a toothed chain 15, wherein the second rotating rod 13 is rotatably connected to a side end of the base plate 1, the second sprocket 14 is fixedly connected to a lower end of the second rotating rod 13, the first sprocket 11 is fixedly connected to a lower end of the first rotating rod 10, and the toothed chain 15 is engaged and rotatably connected to circumferential surfaces of the second sprocket 14 and the first sprocket 11.

In this embodiment: the second rotating rod 13 serves to connect the second sprocket 14, and connects the first sprocket 11 with the second sprocket 14 through the toothed chain 15, so that the second rotating rod 13 rotates with the first rotating rod 10 better when rotating.

Referring to fig. 2 and 3 specifically, a connecting plate 16 is fixedly connected to the upper end of the bottom plate 1, a ratchet 19 is fixedly connected to the upper end of the second rotating rod 13, an adjusting handle 17 is fixedly connected to the lower end of the ratchet 19, ratchet teeth 18 are respectively connected to the upper ends of the adjusting handle 17 and the connecting plate 16 through rotating shafts, and the two ratchet teeth 18 are respectively meshed with the ratchet 19.

In this embodiment: the connection plate 16 serves to connect one of the ratchet teeth 18, the adjustment handle 17 serves to rotate with the second rotation lever 13, and the other ratchet tooth 18 is connected such that the ratchet tooth 19 intermittently engages with the ratchet tooth 18 when rotated, thereby completing the stabilization of the device after clamping of the device, wherein how the connection plate 16, the adjustment handle 17, the ratchet tooth 18 and the ratchet tooth 19 are connected and the effect of their use are not described in any great detail in the present document to a person skilled in the art.

Referring to fig. 2-4 specifically, a bayonet 5 is provided at an upper end of the moving block 4, a limit post 6 is fixedly connected to a lower end of the bayonet 5, and a clamping block 7 is matched with the bayonet 5.

In this embodiment: the bayonet 5 plays the realization and places clamp splice 7, and spacing post 6 plays the realization and carries out the position with clamp splice 7 and prescribe a limit to, and spacing post 6 adopts triangle-shaped structure to arrange so that bayonet 5 is fixed through spacing post 6 better after installing clamp splice 7, and the stability of reinforcing clamp splice 7 when using.

Referring to fig. 2-4, fixing blocks 20 are fixedly connected to four corners of the bottom plate 1.

In this embodiment: the fixing blocks 20 are fixedly connected to the four corners of the lower end of the bottom plate 1, so that the device is better connected with the outside through the fixing blocks 20 or horizontally placed when the device is used, the device is more stable when the device is used, and the using effect of the device is enhanced.

Referring to fig. 2 specifically, a limiting hole matched with the limiting post 6 is formed at the upper end of the clamping block 7, and the limiting hole is matched with the limiting post 6.

In this embodiment: the spacing post 6 adopts the triangle-shaped structure to arrange so that bayonet socket 5 is fixed through spacing post 6 better after installing clamp splice 7, and the stability of reinforcing clamp splice 7 when using passes through 6. Match with spacing hole to make clamp splice 7 swiftly stable more when the installation, and then further promote device's result of use.

The working principle and the using flow of the utility model are as follows: firstly, the fixing block 20 is connected with the outside or horizontally placed with the outside, how to match the clamping blocks 7 and the clamping openings 5 with different sizes is convenient and fast, when the clamping and fixing of different workpieces are carried out, the connecting plate 16 is rotated when the clamping and fixing are needed, the second rotating rod 13 is rotated, the second sprocket 14 is meshed with the first sprocket 11 through the toothed chain 15 when the second rotating rod 13 is rotated, the first rotating rod 10 rotates to slide with the gear 12 and the toothed plate 9, at the moment, the toothed plate 9 moves with the clamping openings 5 to clamp the workpieces, and the clamping mechanism is arranged to enable the clamping and fixing of the workpieces to be carried out through the sliding of the moving block 4, so that the toothed plate 9 is moved through the rotation of the first rotating rod 10 to engage with the gear 12, and the moving block 4 moves closer to or away from the moving block to clamp the workpieces fixedly.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. High stable heat stabilization frock, its characterized in that includes:

a bottom plate (1);

the connecting column (2), the connecting column (2) is fixedly connected to the upper end of the bottom plate (1), and the upper end of the connecting column (2) is fixedly connected with the mounting plate (3);

the moving block (4), the said moving block (4) is connected to the mounting plate (3) slidably;

the clamping block (7), the said clamping block (7) connects to movable block (4);

and

the clamping and fixing mechanism comprises a first rotating rod (10), a gear (12), a sliding frame (8), a toothed plate (9) and a driving assembly, wherein the first rotating rod (10) is rotationally connected to the upper end of the bottom plate (1), the gear (12) is fixedly connected to the upper end of the first rotating rod (10), the sliding frame (8) is fixedly connected to the upper end of the bottom plate (1), the toothed plate (9) is slidably connected to the sliding frame (8) and the upper end of the toothed plate (9) is connected with the moving block (4), the toothed plate (9) is meshed with the sliding frame (8), and the driving assembly is arranged on the lower side of the bottom plate (1) to clamp the bayonet (5).

2. The high-stability heat stabilization tool of claim 1, wherein: the driving assembly comprises a second rotating rod (13), a second sprocket (14), a first sprocket (11) and a toothed chain (15), wherein the second rotating rod (13) is rotationally connected to the side end of the bottom plate (1), the second sprocket (14) is fixedly connected to the lower end of the second rotating rod (13), the first sprocket (11) is fixedly connected to the lower end of the first rotating rod (10), and the toothed chain (15) is meshed and rotationally connected to the circumferential surfaces of the second sprocket (14) and the first sprocket (11).

3. The high-stability heat stabilization tool of claim 2, wherein: the upper end fixedly connected with connecting plate (16) of bottom plate (1), the upper end fixedly connected with ratchet (19) of second dwang (13), the lower extreme fixedly connected with of ratchet (19) adjusts handle (17), adjust handle (17) and the upper end of connecting plate (16) and rotate through the pivot respectively and be connected with ratchet (18), two ratchet (18) mesh with ratchet (19) respectively.

4. A high stability heat stabilization tool as claimed in claim 3, wherein: the upper end of the moving block (4) is provided with a bayonet (5), the lower end of the bayonet (5) is fixedly connected with a limit column (6), and the clamping block (7) is matched with the bayonet (5).

5. The high-stability heat stabilization tool of claim 4, wherein: fixing blocks (20) are fixedly connected to four corners of the lower end of the bottom plate (1).

6. The high-stability heat stabilization tool of claim 5, wherein: and a limiting hole matched with the limiting column (6) is formed in the upper end of the clamping block (7), and the limiting hole is matched with the limiting column (6).