CN219684529U - Pressure maintaining mechanism and assembly equipment - Google Patents

Abstract

The utility model provides a pressure maintaining mechanism and assembling equipment, and relates to the technical field of power batteries. The pressurize mechanism includes: a tray assembly configured with a placement area, one side of the placement area being configured as a movable end, the other end being configured as a fixed end; the pressure maintaining assembly is configured to be in sliding connection with the tray assembly, and one end of the pressure maintaining assembly is connected with the movable end so as to drive the movable end to move to a first position along the direction close to the fixed end; and the adjusting assembly is configured to be detachably connected with the tray assembly, and one end of the adjusting assembly is connected with the movable end so as to drive the movable end to move from the first position to the second position along the direction close to the fixed end. The high-precision screwing and pressure maintaining work can be completed, the pressure maintaining mechanism only carries out automatic program switching, the tray assembly does not need to be replaced, the stacking and pressing of the battery cells with different serial numbers can be compatible, the pressure maintaining force and stroke compatibility are realized, and the working efficiency is improved.

Description

Pressure maintaining mechanism and assembly equipment

Technical Field

The utility model relates to the technical field of power batteries, in particular to a pressure maintaining mechanism and assembly equipment.

Background

Along with the development and progress of the technology of the automobile power lithium battery, higher requirements are put forward on the production line efficiency, the production quality and the production cost of the battery module.

In the existing lithium battery module line of the new energy automobile, the tray is a carrier penetrating through the whole assembly line, products with different serial numbers are required to be produced, when the products with different serial numbers are required to be produced, the production line is required to be replaced by a plurality of trays, and the switching time is wasted.

Disclosure of Invention

The utility model aims to provide a pressure maintaining mechanism and assembly equipment, which can be compatible with stacking compaction of battery cells with different serial numbers and complete pressure maintaining and travel compatibility.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, the present utility model provides a dwell mechanism comprising: a tray assembly configured with a placement area, one side of the placement area being configured as a movable end and the other end being configured as a fixed end; the pressure maintaining assembly is configured to be in sliding connection with the tray assembly, and one end of the pressure maintaining assembly is connected with the movable end so as to drive the movable end to move to a first position along the direction close to the fixed end; and the adjusting assembly is configured to be detachably connected with the tray assembly, and one end of the adjusting assembly is connected with the movable end so as to drive the movable end to move from the first position to the second position along the direction approaching to the fixed end.

In the process of the realization, the tray subassembly is provided with stiff end and expansion end, place the region between stiff end and the expansion end, the pressurize subassembly is used for being connected with the expansion end, with the drive expansion end is along being close to the direction of stiff end and remove to first position, thereby accomplish preliminary screw up pressurize work, adjust the subassembly and drive the expansion end again afterwards, make the expansion end remove to the second position along being close to the direction of stiff end from first position, accomplish high accuracy screw up the pressurize work, pressurize mechanism only carries out the procedure automatic switch, do not need to change the tray subassembly, can compatible electric core stack of different cluster number specifications compresses tightly, realize that the guarantor pressure and stroke are compatible, work efficiency has been improved.

In some embodiments, the tray assembly comprises a tray member, a fixed side plate and a movable member, wherein the tray member is provided with a sliding rail along the left-right direction, the fixed side plate and the movable member are distributed at intervals along the left-right direction, the fixed side plate is connected with the tray member, and the movable member is connected with the sliding rail.

In the process of the realization, fixed curb plate and moving part all set up on the tray spare, and the tray spare can be used to bearing battery module for when battery module put between fixed curb plate and moving part, can carry out preliminary screw up pressurize work through the pressurize subassembly to it, then rethread adjusting part carries out high accuracy to it and screws up the pressurize work, need not change the tray subassembly and can be compatible to pile up the packing of electric core to different cluster number specifications, realizes that the tray subassembly carries the battery module circulation that compresses tightly and carries out corresponding processing to a plurality of processes, has improved work efficiency.

In some embodiments, the movable part comprises a movable side plate and a sliding table, the movable side plate and the sliding table are both adapted to the sliding rail, and when the pressure maintaining assembly is driven, the sliding table is abutted to the movable side plate. Through all being connected movable curb plate and slip table with the slide rail for both can realize preliminary tightening pressurize work at pressure retention subassembly movable curb plate and slip table, then under adjusting part's effect, movable curb plate removes to the second position, then pressure retention subassembly drive slip table carries out the butt with movable curb plate, thereby can realize the accurate control to closing force and stroke.

In some embodiments, the tray member includes a base and a reference table, the base is provided with the fixed side plate, the movable member and the reference table, and at least part of the reference table is configured between the fixed side plate and the movable member. Through setting up fixed curb plate, moving part and benchmark platform in the base to under the effect of pressure retaining assembly and adjusting part, realize the electric core of different cluster number specifications and pile up and compress tightly, improve work efficiency.

In some embodiments, the pressure maintaining component comprises a pressure maintaining piece and a pressure maintaining power structure, wherein the pressure maintaining piece is fixed on the tray piece, the pressure maintaining piece is connected with the sliding table of the movable piece, and the pressure maintaining power structure is connected with the pressure maintaining piece. Through with pressure retaining piece and tray spare fixed connection, and pressure retaining piece is connected with movable part and pressure retaining power structure respectively for pressure retaining power structure carries out the during operation, can drive movable part and remove to the first position, in order to accomplish preliminary tightening pressurize work.

In some embodiments, a female end is disposed on a side of the pressure maintaining member away from the movable member, and a male end adapted to the female end is disposed on one end of the pressure maintaining power structure. Through the adaptation of female end and public end, can realize that the dismantlement of pressure retention piece and pressurize power structure is connected, make things convenient for the tray subassembly to carry the battery module circulation that compresses tightly and carry out corresponding processing by a plurality of processes, improved work efficiency.

In some embodiments, the pressure maintaining assembly further includes a pressure maintaining distance measuring member disposed on the pressure maintaining power structure or the tray member for calculating a moving distance of the sliding table of the movable member. The moving distance of the sliding table is calculated through the pressure maintaining distance measuring piece, whether the tightening pressure maintaining work is normal or not can be primarily and automatically judged, the quantization control of the pressure maintaining force can be realized, and the problem of product quality caused by overvoltage of the battery cell module is avoided.

In some embodiments, the adjusting assembly comprises an adjusting piece and an adjusting power structure, one end of the adjusting piece is connected with the movable side plate of the movable piece, and the other end of the adjusting piece is connected with the adjusting power structure. Through being connected regulating part with movable part and regulation power structure respectively for pressurize power structure during operation, can drive movable part and remove to first position, accomplish preliminary tightening pressurize work, adjust power structure and work afterwards, can drive movable part and remove to the second position, and under the effect of holding the piece, can make movable part stop to the second position in order to accomplish high accuracy tightening pressurize work, realize carrying out quantization control to pressurize power.

In some embodiments, the adjusting assembly further comprises an adjusting distance measuring piece arranged on the adjusting power structure for calculating the moving distance of the sliding side plate of the movable piece. The automatic tightening and pressure maintaining device can automatically judge whether tightening and pressure maintaining work is normal or not, can realize quantitative control of pressure maintaining force, and can avoid product quality problems caused by overvoltage of the battery cell module.

In a second aspect, the utility model also provides an assembly apparatus comprising a dwell mechanism as claimed in any one of the preceding claims.

An embodiment of the second aspect of the present utility model provides an assembling apparatus, which includes the pressure maintaining mechanism described in the first aspect, so that all technical effects of the foregoing embodiments are achieved, and will not be described herein.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for the users of the art.

Fig. 1 is a schematic structural view of a pressure maintaining mechanism according to an embodiment of the present utility model.

Fig. 2 is a top view of a dwell mechanism as disclosed in an embodiment of the utility model.

Fig. 3 is a schematic view of a part of the structure of a pressure maintaining mechanism according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram of a pressure maintaining mechanism for maintaining pressure of a battery module according to an embodiment of the present utility model.

Fig. 5 is a side view of an adjustment assembly of a dwell mechanism according to an embodiment of the present utility model.

Reference numerals

100. A tray assembly; 101. fixing the side plates; 102. a movable side plate; 103. a sliding table; 104. a base; 105. a reference stage; 106. a slide rail; 200. a pressure retention member; 201. a female end; 300. an adjusting member; 301. a pressure sensor; 400. and a battery module.

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. Based on the embodiments of the present utility model, all other embodiments that a user of ordinary skill in the art could achieve without inventive effort are within the scope of the present 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.

In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, or that an article of manufacture of the solution is conventionally put in place, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood in specific cases for users of ordinary skill in the art.

Examples

The lithium ion power battery has the advantages of high voltage, high energy density, rapid charge and discharge, long service life, no memory effect, no pollution to the environment due to production and use, and the like, and is the most promising green energy source in the current generation. In the existing production and life, in order to obtain larger voltage or current, the lithium battery module is obtained by connecting the battery cells in series-parallel connection. In the related art in the field of battery module manufacturing, it is generally necessary to sequentially arrange a plurality of battery cells in a row and to attach the battery cells to each other, and then bind the row of battery cells together to form a battery module.

Specifically, as shown in fig. 1 to 5, in a first aspect, the present utility model provides a pressure maintaining mechanism comprising: a tray assembly 100 configured with a placement area, one side of which is configured as a movable end and the other end of which is configured as a fixed end; the pressure maintaining assembly is configured to be in sliding connection with the tray assembly 100, and one end of the pressure maintaining assembly is connected with the movable end so as to drive the movable end to move to a first position along the direction approaching to the fixed end; an adjustment assembly configured to be detachably connected to the tray assembly 100, and having one end connected to the movable end to drive the movable end to move from the first position to the second position in a direction approaching the fixed end.

Illustratively, the tray assembly 100 is provided with the placement area configured to accommodate the battery module 400, the placement area being provided with a movable end, so that the pressure maintaining mechanism can be compatible with battery cells of different string number specifications; the pressure maintaining component and the adjusting component can be arranged to be detachably connected with the tray component 100, so that after the battery module 400 is conveniently screwed up and maintained in pressure, the tray component 100 can carry the compressed battery module 400 to carry out corresponding processing in a plurality of working procedures.

In the process of the implementation, the tray assembly 100 is provided with the fixed end and the movable end, the placing area is arranged between the fixed end and the movable end, the pressure maintaining assembly is used for being connected with the movable end so as to drive the movable end to move to the first position along the direction close to the fixed end, thereby completing preliminary screwing pressure maintaining work, and then the movable end is driven by the adjusting assembly again, so that the movable end moves to the second position from the first position along the direction close to the fixed end, completing high-precision screwing pressure maintaining work, only performing automatic program switching, not needing to replace the tray assembly 100, being compatible with stacking and compacting of electric cores with different serial numbers of specifications, realizing pressure maintaining and stroke compatibility, and improving the working efficiency.

As shown in fig. 1-2, the tray assembly 100 includes a tray, a fixed side plate 101 and a movable member, wherein the tray is provided with a sliding rail 106 along a left-right direction, the fixed side plate 101 and the movable member are distributed at intervals along the left-right direction, the fixed side plate 101 is connected with the tray, and the movable member is connected with the sliding rail 106. Illustratively, the fixed side plate 101 is fixed on the tray, and the movable member is adapted to the slide rail 106, so that the movable member is compatible with the battery cells with different serial numbers under the action of the pressure maintaining assembly and the adjusting assembly.

In the process of the realization, the fixed side plate 101 and the movable part are arranged on the tray part, the tray part can be used for supporting the battery module 400, so that when the battery module 400 is placed between the fixed side plate 101 and the movable part, the battery module 400 can be subjected to preliminary tightening pressure maintaining work through the pressure maintaining assembly, then the battery module can be subjected to high-precision tightening pressure maintaining work through the adjusting assembly, the tray assembly 100 does not need to be replaced, the battery cells with different serial numbers can be stacked and compressed, the tray assembly 100 is realized, the compressed battery module 400 is carried and correspondingly processed in a plurality of working procedures, and the working efficiency is improved.

In some embodiments, the movable member includes a movable side plate 102 and a sliding table 103, the movable side plate 102 and the sliding table 103 are both adapted to the sliding rail 106, and when the pressure maintaining assembly is driven, the sliding table 103 is abutted to the movable side plate 102. Through being connected movable curb plate 102 with slip table 103, slip table 103 is connected with slide rail 106 for both movable curb plate 102 and slip table 103 can realize compressing tightly the accurate control of force and stroke under pressure maintaining subassembly and adjusting part's effect.

Specifically, when the battery module 400 is placed in the placement area, the pressure maintaining assembly adjusts the sliding table 103 of the movable member, so that after the sliding table 103 moves to a certain distance along the left-right direction, the sliding table 103 abuts against the movable side plate 102 and drives the movable side plate 102 to move to the first position together, so as to achieve preliminary tightening pressure maintaining operation, then the adjusting assembly drives the sliding table 103, so that the sliding table 103 continues to move to the second position along the left-right direction, at this time, a certain distance is formed between the sliding table 103 and the movable side plate 102, then the pressure maintaining assembly drives the sliding table 103 again until the sliding table 103 abuts against the movable side plate 102 again, fixes the sliding table 103 (namely, through the action of the pressure maintaining member 200 of the pressure maintaining assembly), and finally the adjusting assembly is separated from the movable side plate 102.

In some embodiments, the tray member includes a base 104 and a reference table 105, the base 104 is provided with the fixed side plate 101, the movable member and the reference table 105, at least part of the reference table 105 is located between the fixed side plate 101 and the movable member, where the battery cell is placed on the reference table 105, and the battery cell is fixed under the action of the fixed side plate 101 and the movable member. Through setting up fixed curb plate 101, moving part and benchmark platform 105 in base 104 to under the effect of pressure retaining assembly and adjusting part, realize the electric core of different cluster number specifications and pile up and compress tightly, improve work efficiency.

In some embodiments, the pressure maintaining component includes a pressure maintaining member 200 and a pressure maintaining power structure (not illustrated in the drawings), the pressure maintaining member 200 is fixed on the tray member, the pressure maintaining member 200 is connected with the sliding table 103 of the movable member, and the pressure maintaining power structure is connected with the pressure maintaining member 200. Through with pressure retaining piece 200 and tray spare fixed connection, and pressure retaining piece 200 is connected with movable part and pressurize power structure respectively for pressure maintaining power structure carries out the during operation, can drive movable part and remove to the first position, in order to accomplish preliminary tightening pressurize work.

It may be appreciated that the pressure maintaining member 200 includes, but is not limited to, a screw, the pressure maintaining power structure and the pressure maintaining member 200 may be detachably connected, that is, when the movable side plate 102 moves to the second position under the action of the pressure maintaining assembly and the adjusting assembly, and then under the action of the pressure maintaining member 200, the movable side plate 102 can stop to the second position due to the connection of the pressure maintaining member 200 and the sliding table 103, and finally the pressure maintaining power structure is separated from the pressure maintaining member 200, so as to complete the pressure maintaining power control and maintenance of the battery module 400, which is compressed by the tray assembly 100, to circulate a plurality of processes, for corresponding processing.

In some embodiments, a female end 201 is disposed on a side of the pressure maintaining member 200 away from the movable member, and a male end adapted to the female end 201 is disposed on one end of the pressure maintaining power structure. Through the adaptation of female end 201 and public end, can realize that the dismantlement of pressure retention piece 200 and pressurize power structure is connected, make things convenient for tray assembly 100 to carry the battery module 400 circulation that compresses tightly and carry out corresponding processing of a plurality of processes, improved work efficiency.

In some embodiments, the pressure maintaining component further includes a pressure maintaining distance measuring component, where the pressure maintaining distance measuring component may be used to emit laser, and the pressure maintaining distance measuring component is configured in the pressure maintaining power structure or the tray component, so as to calculate a moving distance of the sliding table 103 of the movable component, that is, to control the movable component to move to the first position. The moving distance of the sliding table 103 is calculated through the pressure-maintaining distance measuring piece, whether the tightening pressure-maintaining work is normal or not can be automatically judged, the quantization control of the pressure maintaining force can be realized, and the problem of product quality caused by the overvoltage of the battery cell module is avoided.

As shown in fig. 4-5, the adjusting assembly includes an adjusting member 300 and an adjusting power structure (not shown in the drawings), one end of the adjusting member 300 is connected to the movable side plate 102 of the movable member, and the other end is connected to the adjusting power structure. Through being connected regulating part 300 with movable part and regulation power structure respectively for pressurize power structure during operation, can drive movable part and remove to first position, accomplish preliminary tightening pressurize work, adjust power structure and work afterwards, can drive movable part and remove to the second position, and under the effect of pressure retention piece 200, can make movable part stop to the second position in order to accomplish high accuracy tightening pressurize work, realize carrying out quantization control to the pressurize power.

Specifically, the adjusting member 300 includes an adjusting lever and an adjusting plate, the adjusting lever is connected to one side of the adjusting plate, and the other side of the adjusting plate is used for contacting the movable side plate 102; it should be noted that, when the battery module 400 is placed in the placement area and performs the preliminary tightening and pressure maintaining operation, the adjusting member 300 does not contact with the tray assembly 100, and when the pressure maintaining assembly drives the movable member to move to the first position, the adjusting member 300 contacts with the movable side plate 102 under the action of the adjusting power structure, and then drives the movable side plate 102 to move to the second position, so as to complete the high-precision tightening of the battery module 400.

In some embodiments, the adjusting assembly further includes an adjusting ranging member, where the adjusting ranging member may be used to emit laser, and the adjusting ranging member is disposed on the adjusting power structure, so as to calculate a moving distance of the sliding side plate of the movable member, that is, calculate a distance of the movable side plate 102 moving from the first position to the second position, so as to control the adjusting power structure to stop working, and of course, in order to obtain a pressure applied to the battery module 400 during tightening, the adjusting assembly may further include a pressure sensor 301, where the pressure sensor 301 may automatically determine whether the tightening and pressure maintaining work is normal, and may implement quantization control of the pressure maintaining force, so as to avoid a product quality problem caused by an overpressure of the battery module.

In a second aspect, the utility model also provides an assembly device comprising a dwell mechanism as described above. An embodiment of the second aspect of the present utility model provides an assembling apparatus, which includes the pressure maintaining mechanism described in the first aspect, so that all technical effects of the foregoing embodiments are achieved, and will not be described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. 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 (10)

1. A pressure maintaining mechanism, characterized by comprising:

a tray assembly configured with a placement area, one side of the placement area being configured as a movable end and the other end being configured as a fixed end;

the pressure maintaining assembly is configured to be in sliding connection with the tray assembly, and one end of the pressure maintaining assembly is connected with the movable end so as to drive the movable end to move to a first position along the direction close to the fixed end;

and the adjusting assembly is configured to be detachably connected with the tray assembly, and one end of the adjusting assembly is connected with the movable end so as to drive the movable end to move from the first position to the second position along the direction approaching to the fixed end.

2. The pressure maintaining mechanism according to claim 1, wherein the tray assembly comprises a tray member, a fixed side plate and a movable member, the tray member is provided with slide rails in the left-right direction, the fixed side plate and the movable member are distributed at intervals in the left-right direction, the fixed side plate is connected with the tray member, and the movable member is connected with the slide rails.

3. The dwell mechanism of claim 2, wherein the movable member includes a movable side plate and a slide table, both of which are adapted to the slide rail, and the slide table is abutted to the movable side plate when the dwell assembly is driven.

4. The pressure maintaining mechanism according to claim 2, wherein the tray member includes a base on which the fixed side plate, the movable member, and the reference table are provided, and at least a part of the structure of the reference table is located between the fixed side plate and the movable member.

5. The pressure maintaining mechanism according to claim 2, wherein the pressure maintaining assembly comprises a pressure maintaining piece and a pressure maintaining power structure, the pressure maintaining piece is fixed on the tray piece and is connected with the sliding table of the movable piece, and the pressure maintaining power structure is connected with the pressure maintaining piece.

6. The pressure maintaining mechanism according to claim 5, wherein a female end is provided on a side of the pressure maintaining member away from the movable member, and a male end adapted to the female end is provided on one end of the pressure maintaining power structure.

7. The dwell mechanism of claim 5, wherein the dwell assembly further includes a dwell ranging device disposed on either the dwell power structure or the tray device for calculating a slide travel distance of the movable member.

8. The pressure maintaining mechanism according to claim 2, wherein the adjusting assembly comprises an adjusting member and an adjusting power structure, one end of the adjusting member is connected with the movable side plate of the movable member, and the other end of the adjusting member is connected with the adjusting power structure.

9. The dwell mechanism of claim 8, wherein the adjustment assembly further includes an adjustment distance measuring device disposed on the adjustment power structure for calculating a sliding side plate travel distance of the movable member.

10. Assembly device, characterized in that it comprises a dwell mechanism according to any one of claims 1-9.