CN219443992U - Pressing plate assembly - Google Patents

Abstract

The utility model discloses a pressing plate assembly, which comprises a first pressing plate and a second pressing plate fixed below the first pressing plate, wherein a fixing assembly is arranged between the first pressing plate and the second pressing plate and comprises a cavity part formed in the first pressing plate, a notch is formed in the second pressing plate, a fixing block can be fixed in the notch, the lower end of the cavity part is positioned in the fixing block, and a fixing piece is movably connected to the lower end of the cavity part, so that the fixing piece can meet the fixing requirements of products with different heights. The clamp plate subassembly in this application has adopted non-integral type structure to set up mobilizable mounting in the clamp plate subassembly, because the product tolerance of utmost point post and collection flow dish itself and the condition that the processing error of carrier tool caused the product highly inconsistent, consequently use mobilizable mounting to fix the product, make not high product all can be compressed tightly, reduced welding raw materials sub-part bad loss, improved welding qualification yield, and promoted welding efficiency.

Description

Pressing plate assembly

Technical Field

The utility model relates to the technical field of laser welding of power batteries, in particular to a pressing plate assembly.

Background

As shown in fig. 7, in the welding process of the laser welding application and the power battery top cover in the prior art, the bus plate and the pole column need to be welded, two parts need to be pressed by a pressing plate and then welded during welding, the pressing plate for welding generally adopts an integrated structure, and due to the adoption of the integrated structure, the pressing plate can not adjust the pressing height of the pressing plate aiming at a single product, so that the pressing plate is not firm for fixing the product, the problem of cold welding and the like is easy to generate during the welding operation of the product, the reject ratio of the welded product is higher, and due to the product tolerance of the pole column and the bus plate and the processing error of the carrier jig and the like, each product can not be pressed by a pressing block during each welding operation, the problem of cold welding and the like is easy to occur, and the yield of the welding process can be reduced.

Disclosure of Invention

The utility model aims to provide a pressing plate assembly which can solve at least one of the technical problems, and the technical scheme of the utility model is as follows:

the pressing plate assembly comprises a first pressing plate and a second pressing plate fixed below the first pressing plate, a fixing assembly is arranged between the first pressing plate and the second pressing plate, the fixing assembly comprises a cavity part formed in the first pressing plate, and a notch is formed in the second pressing plate, so that a fixing block can be fixed in the notch;

the fixing assembly further comprises a cavity part, the lower end of the cavity part is located in the fixing block, the lower end of the cavity part is movably connected with a fixing piece, and the fixing piece can move in the direction perpendicular to the first pressing plate, so that the fixing piece can meet fixing requirements of products with different heights.

In some embodiments, a plurality of securing assemblies are disposed between the first platen and the second platen. The beneficial effects are as follows: so that the platen assembly can hold a plurality of products at the same time.

In some embodiments, the upper end of the cavity portion is provided with an opening, and the lower end of the cavity portion gradually converges inward into the fixing block, and a through hole is formed. The beneficial effects are as follows: the formed through-hole can pass laser light.

In some embodiments, the securing member includes a connecting rod portion connected to the lower end of the cavity portion, and the securing member further includes a securing portion connected to the lower end of the connecting rod portion. The beneficial effects are as follows: the link portion provides elastic support for the fixing portion at the lower end thereof.

In some embodiments, the lower end of the securing portion exposes the lower end of the securing block, and the securing portion directly contacts and secures the product. The beneficial effects are as follows: so that the fixing portion directly contacts and fixes the product.

In some embodiments, the through holes sequentially penetrate through the cavity part and the fixed block from top to bottom, so that the whole of the lower end of the cavity part and the fixed block is completely penetrated. The beneficial effects are as follows: so that the laser can completely penetrate through the through hole to weld the product.

In addition, in the technical scheme of the utility model, the technical scheme can be realized by adopting conventional means in the field without specific description.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a platen assembly according to an embodiment of the present utility model.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic structural view of the first pressing plate in fig. 1.

Fig. 4 is a schematic view of the structure of the second platen in fig. 1 fitted into the fixing block.

Fig. 5 is a schematic structural view of the fixing block in fig. 4.

Fig. 6 is a perspective view of the fixing block of fig. 5.

Fig. 7 is a schematic diagram of a prior art structure.

The reference numerals in the drawings are used for illustration,

1 a first pressure plate, which is provided with a first pressure plate,

2 a second pressing plate is arranged on the upper surface of the first pressing plate,

4 a fixing component is arranged on the upper surface of the base,

a 21-slot opening, the slot opening is provided with a slot opening,

the cavity portion 41 is provided with a recess,

the fixing element 42 is provided with a fixing element,

a 43 through-hole is formed in the substrate,

a fixed block 44 is provided for the fixing of the block,

411 the opening is provided with a slot,

a 421-link portion which is provided with a plurality of grooves,

422.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are illustrative of some, but not all embodiments of the utility model and are not intended to limit 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.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "two sides", "bottom", "top", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the elements referred to must have a specific orientation or be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "superior," "subordinate," "primary," "secondary," and the like are used for descriptive purposes only and may be used simply to more clearly distinguish between different components and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 6, there is schematically shown a platen assembly according to the present utility model, including a first platen 1 and a second platen 2 fixed under the first platen 1, a fixing assembly 4 is provided between the first platen 1 and the second platen 2, the fixing assembly includes a cavity portion 41 opened on the first platen, a notch 21 is opened on the second platen 2, such that a fixing block 44 can be fixed in the notch 21, a lower end of the cavity portion 41 is located in the fixing block 44, and a fixing member 42 is movably connected to a lower end of the cavity portion 41, such that the fixing member 42 can meet fixing requirements of products of different heights.

A plurality of fixing assemblies 4 are arranged between the first pressing plate 1 and the second pressing plate 2, so that the number of the fixing assemblies 4 is at least ten.

An opening 411 is provided at the upper end of the cavity portion 41, and the lower end of the cavity portion 41 gradually converges inward into the fixed block 44, and a through hole 43 is formed.

The fixing member 42 includes a link portion 421 coupled to the lower end of the cavity portion 41, and the link portion 421 may be made of an elastic material, and the fixing member 42 further includes a fixing portion 422 at the lower end of the link portion 421.

The lower end of the fixing portion 422 exposes the lower end of the fixing block 44 so that the fixing portion 422 can directly contact the product.

The through hole 43 penetrates the cavity 41 and the fixing block 44 from top to bottom in sequence, so that the whole of the lower end of the cavity 41 and the fixing block 44 is completely penetrated.

The pressing plate assembly is pressed above the products during the welding operation, at this time, the heights of the products are different from each other due to the product tolerance of the pole and the bus plate and the machining error of the carrier jig, so that the products are fixed by the fixing part 422 on the fixing part 42, and the fixing part 42 is movably connected to the lower end of the cavity part 41, so that the fixing part 42 moves in a direction close to the opening 411 during the fixing, and the fixing part 42 resets after the fixing is finished.

Compared with the prior art, the utility model has the advantages that: as shown in fig. 7, in the prior art, an integral pressing plate is used for fixing a product, the pressing plate assembly in the application adopts a non-integral structure, and a movable fixing piece 42 is arranged in the pressing plate assembly, and due to inconsistent product heights caused by product tolerances of a pole post and a bus plate and machining errors of a carrier jig, the movable fixing piece 42 is used for fixing the product, so that products with different heights can be compressed, thereby reducing bad loss of sub-parts of welding raw materials, improving qualified welding yield, and improving welding efficiency.

The foregoing description of the embodiments of the present utility model is merely illustrative of the technical solutions of the present utility model and not limiting thereof, and it should be understood that modifications and substitutions can be made by those skilled in the art without departing from the inventive concept of the present utility model, and all such modifications and substitutions shall fall within the scope of the appended claims. In this case, all details may be replaced with equivalent elements, and the materials, shapes and sizes may be arbitrary.

Claims (6)

1. The pressing plate assembly is characterized by comprising a first pressing plate (1) and a second pressing plate (2) fixed below the first pressing plate (1), wherein a fixing assembly (4) is arranged between the first pressing plate (1) and the second pressing plate (2), the fixing assembly (4) comprises a cavity part (41) formed in the first pressing plate (1), a notch (21) is formed in the second pressing plate (2), and a fixing block (44) can be fixed in the notch (21);

the fixing assembly (4) further comprises a cavity part (41), the lower end of the cavity part (41) is located in the fixing block (44), a fixing piece (42) is movably connected to the lower end of the cavity part (41), and the fixing piece (42) can move in the direction perpendicular to the first pressing plate (1), so that the fixing piece (42) can meet fixing requirements of products with different heights.

2. A platen assembly according to claim 1, wherein a plurality of said fixing assemblies (4) are provided between said first platen (1) and second platen (2).

3. A platen assembly according to claim 2, wherein the upper end of the cavity portion (41) is provided with an opening (411), and the lower end of the cavity portion (41) gradually converges inwardly into the fixed block (44) and forms a through hole (43).

4. A platen assembly according to claim 3, wherein the fixing member (42) includes a link portion (421) connected to a lower end of the cavity portion (41), and the fixing member (42) further includes a fixing portion (422) connected to a lower end of the link portion (421).

5. The platen assembly of claim 4, wherein a lower end of the fixing portion (422) is exposed to a lower end of the fixing block (44), and the fixing portion (422) directly contacts and fixes the product.

6. A platen assembly according to claim 5, wherein the through-hole (43) penetrates the cavity portion (41) and the fixing block (44) in this order from top to bottom, such that the lower end of the cavity portion (41) and the fixing block (44) are entirely penetrated.