CN216435959U

CN216435959U - Lamination pressing tool pressing mechanism

Info

Publication number: CN216435959U
Application number: CN202122900982.8U
Authority: CN
Inventors: 王彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-03
Anticipated expiration: 2031-11-24

Abstract

The utility model provides a lamination pressing knife hold-down mechanism, the utility model discloses a lamination pressing knife is used for pressing and holds diaphragm or the pole piece of lamination bench, this mechanism is including the bottom plate that is horizontal transverse arrangement, the linear guide who arranges along its upper surface is installed to the bottom plate upper end, relative left side pressing knife subassembly and the right side pressing knife subassembly of setting are installed respectively through two sliders in the linear guide upper end, two pressing knife subassemblies of drive are in opposite directions or the back from each other motion, control the inside rotary device that is provided with of pressing knife subassembly, rotary device's end is provided with the pressing knife, through drive should control rotary device can make about the pressing knife respectively forward rotation or reverse rotation, in order to accomplish compressing tightly of lamination bench pole piece. The utility model discloses a change the motion mode of traditional pressing sword, turn into rotary motion with linear motion, realize that the pressing sword compresses tightly the pole piece action and pushes down the action with the pole piece and overlap, the modern design, the structure is succinct, has reduced the pressing sword action time that the lamination was afraid of by a wide margin, is showing and is improving production efficiency.

Description

Lamination pressing tool pressing mechanism

Technical Field

The utility model belongs to the technical field of the lamination machine, especially, relate to a lamination pressing tool hold-down mechanism.

Background

From the commercialization of lithium ion batteries in the 90 s to the present, the technology of lithium ion batteries gradually matures, and lithium ion batteries increasingly occupy an important position in the field of new energy. The lithium ion battery has the advantages of high energy density, long cycle life, small self-discharge, no memory effect and the like, and has received wide attention and application since commercialization. With the continuous upgrade of electronic products, the requirements on the rate and capacity of batteries are higher and higher, which causes many enterprises in the industry to focus on the manufacture of laminated batteries.

With the development of the technology, high-speed laminated square lithium batteries are favored by various large lithium battery manufacturers, the key of the laminated battery lies in the laminating technology, the efficiency and the quality of the laminated battery determine the quality of the battery, in the existing laminating technology, a diaphragm is placed on a laminating table, a pressing knife is used for pressing and laminating, and the pressing knife plays an important role in time consumption in the speed of laminating an electrode group.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a lamination pressing tool hold-down mechanism to can improve the effect that compresses tightly to diaphragm or pole piece, can make the highest lamination efficiency of the leading Z type lamination machine in existing market promote 43%.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a laminated pressing knife pressing mechanism comprises a bottom plate which is horizontally and transversely arranged, a linear guide rail which is arranged along the upper surface of the bottom plate is arranged at the upper end of the bottom plate, a left pressing knife component and a right pressing knife component which are oppositely arranged are respectively arranged at the upper end of the linear guide rail through two sliding blocks, a left supporting rotating component and a right supporting rotating component are respectively erected at the two ends of the linear guide rail, one end of a reverse spiral ball screw is connected onto the left supporting rotating component, the other end of the reverse spiral ball screw penetrates through the lower part of the left pressing knife component and then is connected with the left side of a fixed connecting piece, the right side of the fixed connecting piece is connected with a forward spiral ball screw, the forward spiral ball screw penetrates through the lower part of the right pressing knife component and then is connected onto the right supporting rotating component, reverse threads are arranged on the surfaces of the reverse spiral ball screw and the forward spiral ball screw, a laminating table is also arranged above the bottom plate, the lamination table is positioned in the middle of the left pressing knife assembly and the right pressing knife assembly.

Furthermore, the left end of the reverse spiral ball screw or the right end of the forward spiral ball screw is connected with a driving motor, and the driving motor is used for driving the reverse spiral ball screw and the forward spiral ball screw to enable the left pressing cutter assembly and the right pressing cutter assembly to keep moving in the opposite or opposite directions.

Furthermore, the reverse spiral ball screw and the positive spiral ball screw fixing frame are arranged at the upper ends of the central lines of the two linear guide rails.

Further, the left pressing knife assembly comprises a left rotating device and a left pressing knife, and the left pressing knife is installed at the upper end of the left rotating device;

the right pressing cutter assembly comprises a right rotating device and a right pressing cutter, the right pressing cutter is installed at the upper end of the right rotating device, and the left pressing cutter and the right pressing cutter are bilaterally symmetrical.

Further, the left pressing knife rotates around the left rotating device in the forward and reverse directions by 0-180 degrees, and the right pressing knife rotates around the right rotating device in the forward and reverse directions by 0-180 degrees.

Furthermore, the tail ends of the left pressing cutter assembly and the right pressing cutter assembly are also provided with pressure buffering devices, and the pressure buffering devices are air cylinders or springs.

The utility model has the advantages that:

through the utility model discloses change original action process "the pole piece is in lamination platform top: the pressing knife rotates to press downwards (the pole pieces descend at the same time), the pressing knife continuously presses downwards in parallel, the pressing knife lifts in parallel, the pressing knife retreats, and the pressing knife rotates to open and move forwards.

The action is changed into the synthetic action of rotating and linear motion, so that the time for waiting for the pole piece to be placed on the upper surface of the lamination table from the upper part of the lamination table and be contacted is saved, the rotary pressing of the pressing knife and the descending of the pole piece are simultaneously carried out, the lamination time is greatly reduced, the working procedures of continuous parallel pressing-parallel lifting of the pressing knife are omitted, and the operation of the pressing knife is simplified and speedy;

through the motion mode that changes traditional pressing knife, turn into rotary motion with linear motion, realize that the pressing knife compresses tightly the pole piece action and pushes down the action with the pole piece and overlap, the modern design, the structure is succinct, has reduced the pressing knife action time that the lamination is afraid of by a wide margin, is showing and has improved production efficiency.

Drawings

Fig. 1 is an overall view of the knife pressing mechanism of the present invention;

FIG. 2 is a timing comparison diagram of the procedure of the knife pressing mechanism of the present invention and the procedure of the conventional knife pressing mechanism;

fig. 3 is a detailed diagram of the action sequence of the knife pressing mechanism of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a base plate;

11-linear guide rail; 12-a slide block;

2-left press cutter component

21-left rotating device; 22-reverse helical ball screw; 23-left support rotating assembly; 24-fixing the connecting piece; 25-a drive motor; 26-left press blade;

3-right pressing knife component;

31-right rotating means; 32-positive helical ball screw; 33-right support rotating assembly; 34-right pressing knife;

4-laminating table.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. As used herein, the terms "vertical," "horizontal," "left," "right," and the like are for purposes of illustration only and are not intended to represent the only embodiment, and as used herein, the terms "upper," "lower," "left," "right," "front," "rear," and the like are positional relationships with reference to the drawings.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, a laminated press-cutting hold-down mechanism comprises a bottom plate 1 horizontally and horizontally arranged, a linear guide rail 11 axially arranged along an X-axis is installed at the upper end of the bottom plate 1, a left press-cutting assembly 2 and a right press-cutting assembly 3 oppositely arranged are respectively installed at the upper end of the linear guide rail 11 through two sliders 12, a left supporting and rotating assembly 23 and a right supporting and rotating assembly 33 are respectively erected at two ends of the linear guide rail 11, one end of a reverse spiral ball screw 22 is connected to the left supporting and rotating assembly 23, the other end penetrates through the lower part of the left press-cutting assembly 2 and is connected to the left side of a fixed connecting piece 24, the right side of the fixed connecting piece 24 is connected to a forward spiral ball screw 32, the forward spiral ball screw 32 penetrates through the lower part of the right press-cutting assembly 3 and is connected to the right supporting and rotating assembly 33, reverse spiral ball screw 22 and reverse spiral ball screw 32 are provided with reverse threads on the surface, the laminating table 4 is further arranged above the bottom plate 1, and the laminating table 4 is located in the middle of the left pressing knife assembly 2 and the right pressing knife assembly 3.

In this embodiment, the left end of the reverse-direction helical ball screw 22 or the right end of the forward-direction helical ball screw 32 is connected with a driving motor 25, and the driving motor 25 is used for driving the reverse-direction helical ball screw 22 and the forward-direction helical ball screw 32 to enable the left press blade assembly 2 and the right press blade assembly 3 to keep moving in the opposite direction or the opposite direction.

In this embodiment, the reverse screw ball screw 22 and the forward screw ball screw 32 are fixed to the upper ends of the center lines of the two linear guides 11.

In this embodiment, the left blade pressing assembly 2 includes a left rotating device 21 and a left blade pressing 26, and the left blade pressing 26 is mounted on the upper end of the left rotating device 21;

the right blade pressing assembly 3 comprises a right rotating device and a right blade pressing 34, the right blade pressing 34 is installed at the upper end of the right rotating device 31, and the left blade pressing 26 and the right blade pressing 34 are bilaterally symmetrical.

In this embodiment, the left presser 26 is set to rotate forward and reverse 0 to 180 degrees around the left rotating device 21, and the right presser 34 is set to rotate forward and reverse 0 to 180 degrees around the right rotating device 31.

In this embodiment, the ends of the left blade pressing assembly 2 and the right blade pressing assembly 3 are provided with pressure buffering devices, and the pressure buffering devices are air cylinders or springs. Here, the expandable structure can be provided as needed.

The utility model drives the reverse spiral ball screw 22 to rotate clockwise by the clockwise rotation of the driving motor 25, and the left screw nut drives the left cutter pressing component 2 to move rightwards; meanwhile, due to the connection effect of the fixed connecting pieces 24, the fixed connecting pieces 24 are selected as couplers, so that synchronous driving can be realized. The forward spiral ball screw 32 rotates anticlockwise, the right screw nut drives the right cutter pressing assembly 3 to move leftwards, namely the two cutter pressing assemblies are gradually folded; similarly, the driving motor 25 rotates counterclockwise, and the two pressing knife assemblies are gradually opened;

since the left presser 26 is fixed to the left presser module 2 by the left rotating device 21 and is driven by a driving element such as a driving motor or an air cylinder, the left presser 26 can be rotated clockwise or counterclockwise, and since the right presser 34 is fixed to the right presser module 3 by the right rotating device 31 and is driven by a driving element such as a driving motor or an air cylinder, the right presser 34 can be rotated clockwise or counterclockwise, and the rotation of the left and right pressers is synchronized and the rotation directions are opposite.

As shown in fig. 2-3, the utility model discloses a change the mode of action and the process of traditional press cutter, especially adopt the lamination equipment of traditional Z style of calligraphy lamination technology, at the in-process of its lamination, every range upon range of one deck pole piece, the press cutter of pushing down the pole piece all will be placed at the pole piece and accomplish a complete cycle action or half cycle action at the lamination bench back, is used for pushing down the pole piece, and positive negative pole press cutter is all so, the operation of alternating each other. Wherein, a complete cycle action includes that the pressure sword "waits that the pole piece is placed on the lamination platform and after contact: the press knife advances, the press knife is pressed down, the press knife is lifted, the press knife is retreated and the press knife continues to be lifted, the modified action process of the utility model is changed into that the pole piece is positioned above the lamination table: the pressing knife rotates to press downwards (the pole pieces descend at the same time), the pressing knife continuously presses downwards in parallel, the pressing knife lifts in parallel, the pressing knife retreats, and the pressing knife rotates to open and move forwards. It can be found that the improved pressing knife action process omits the time of waiting for the pole piece to be placed on the upper surface of the lamination table from the upper part of the lamination table and to be contacted, the improvement is that the rotary pressing of the pressing knife and the descending of the pole piece are carried out simultaneously, the lamination time is greatly reduced, and further, the improved pressing knife action can omit the process of 'continuously pressing the pressing knife in parallel-lifting the pressing knife in parallel' due to the optimization of the structure or the installation of a buffer device on the pressing knife, so that the operation of the pressing knife is more simplified and faster.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. The utility model provides a lamination pressing tool hold-down mechanism which characterized in that: the device comprises a bottom plate (1) which is horizontally arranged, a linear guide rail (11) which is arranged along the upper surface of the bottom plate (1) is arranged at the upper end of the linear guide rail (11), a left pressure cutter assembly (2) and a right pressure cutter assembly (3) which are oppositely arranged are respectively arranged at the upper end of the linear guide rail (11) through two sliding blocks (12), a left supporting rotating assembly (23) and a right supporting rotating assembly (33) are respectively erected at the two ends of the linear guide rail (11), one end of a reverse spiral ball screw (22) is connected onto the left supporting rotating assembly (23), the other end of the reverse spiral ball screw penetrates through the lower part of the left pressure cutter assembly (2) and then is connected with the left side of a fixed connecting piece (24), the right side of the fixed connecting piece (24) is connected with a forward spiral ball screw (32), the forward spiral ball screw (32) penetrates through the lower part of the right pressure cutter assembly (3) and then is connected onto the right supporting rotating assembly (33), reverse screw ball screw (22) and forward screw ball screw (32) surface are equipped with reverse screw thread, the top of bottom plate (1) still is provided with lamination platform (4), lamination platform (4) are located the intermediate position of left side pressure sword subassembly (2) and right side pressure sword subassembly (3).

2. The lamination press knife hold-down mechanism of claim 1, wherein: the left end of the reverse spiral ball screw (22) or the right end of the forward spiral ball screw (32) is connected with a driving motor (25), and the driving motor (25) is used for driving the reverse spiral ball screw (22) and the forward spiral ball screw (32) to enable the left press cutter assembly (2) and the right press cutter assembly (3) to keep moving in the opposite direction or in the opposite direction.

3. The lamination press knife hold-down mechanism of claim 1, wherein: the reverse spiral ball screw (22) and the forward spiral ball screw (32) are fixedly arranged at the upper ends of the central lines of the two linear guide rails (11).

4. The lamination press knife hold-down mechanism of claim 1, wherein: the left pressing knife assembly (2) comprises a left rotating device (21) and a left pressing knife (26), and the left pressing knife (26) is installed at the upper end of the left rotating device (21);

the right pressing knife assembly (3) comprises a right rotating device (31) and a right pressing knife (34), the right pressing knife (34) is installed at the upper end of the right rotating device (31), and the left pressing knife (26) and the right pressing knife (34) are bilaterally symmetrical.

5. The lamination press knife hold-down mechanism of claim 4, wherein: the left pressing knife (26) rotates around the left rotating device (21) in the forward and reverse directions by 0-180 degrees, and the right pressing knife (34) rotates around the right rotating device (31) in the forward and reverse directions by 0-180 degrees.

6. The lamination press knife hold-down mechanism of claim 1, wherein: the tail ends of the left pressing knife assembly (2) and the right pressing knife assembly (3) are also provided with pressure buffering devices, and the pressure buffering devices are air cylinders or springs.