A stepless lifting and clamping module

Abstract

A stepless lifting and clamping module comprises: a base plate having a mounting platform for supporting the components of the stepless lifting and clamping module; a pallet lifting unit comprising a lifting cylinder assembly and a lifting plate assembly, wherein the lifting cylinder assembly is mounted on the base plate and the telescopic end of the lifting cylinder assembly is kept in a telescopic direction perpendicular to the mounting platform of the base plate; the lifting plate assembly is located above the base plate and comprises a fixed portion, a pallet conveying portion and a pallet clamping portion, wherein the fixed portion is mounted on the telescopic end of the lifting cylinder assembly; the pallet conveying portion is arranged at the end next to the pallet detection position of the fixed portion; the pallet clamping portion is mounted next to the pallet detection position of the fixed portion; a lifting limit unit is mounted on the base plate, and the limit end of the lifting limit unit is connected to the lifting plate assembly; and a battery tray. The beneficial effects of the present invention are: automatic compatibility with batteries of various sizes, strong heavy-load capacity, high degree of automation, and widely applicable to test equipment for various types of soft-pack batteries.

Description

Technical Field

[0001] The invention relates to a stepless lifting and clamping module, belonging to the technical field of lithium battery testing equipment. Background Art

[0002] In the testing process of lithium batteries, especially formation, capacity division, OCV test, DCIR, ACIR test, all involve the clamping of battery tabs. Therefore, the stepless lifting clamping module is the most critical basic component in the battery formation, capacity division, OCV test, DCIR, ACIR test equipment. However, the existing battery tab clamping module has the disadvantages of inconvenient operation, low degree of automation, and non-overloadability. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a stepless lifting and clamping module with high automation, strong heavy-load capacity and suitable for testing equipment of various types of soft-pack batteries.

[0004] The stepless lifting and clamping module of the present invention is characterized by comprising:

[0005] A base plate having a mounting platform for supporting components of the stepless jacking and clamping module;

[0006] The pallet lifting unit comprises a lifting cylinder assembly for providing lifting driving force and a lifting plate assembly for transporting a battery pallet, wherein the lifting cylinder assembly is mounted on a bottom plate and the telescopic end of the lifting cylinder assembly is kept in a telescopic direction perpendicular to the mounting platform of the bottom plate; the lifting plate assembly is located above the bottom plate and comprises a fixing portion, a pallet conveying portion and a pallet clamping portion, wherein the fixing portion is mounted on the telescopic end of the lifting cylinder assembly so that the lifting plate assembly is lifted and lowered in a direction perpendicular to the mounting platform under the drive of the lifting cylinder assembly; the pallet conveying portion is arranged at an end portion next to a pallet detection position of the fixing portion and is used to push the pallet to the pallet detection position; the pallet clamping portion is mounted next to the pallet detection position of the fixing portion and is used to clamp the battery pallet located at the pallet detection position;

[0007] A lifting limit unit is installed on the bottom plate, and a limit end of the lifting limit unit is connected to the lifting plate assembly, and the movement stroke of the lifting cylinder assembly is limited by controlling the distance between the bottom plate and the lifting plate assembly;

[0008] And a battery tray is placed on the tray detection position on the lifting plate assembly, and is provided with a battery placement area for placing batteries and a test hole for exposing the battery tabs for testing, wherein the test hole is arranged on the side of the battery tray.

[0009] The fixing part includes a lifting base plate and a guide shaft, the pallet conveying part includes a pallet positioning cylinder assembly, a roller assembly and a buffer assembly, the pallet clamping part is a pallet clamping cylinder assembly, the lifting base plate is installed on the telescopic end of the lifting cylinder assembly, and keeps the lifting base plate parallel to the base plate; the upper part of the guide shaft is fixedly connected to the lifting base plate, and the lower part passes through the base plate, so that the lifting base plate can be vertically lifted and lowered along the axial direction of the guide shaft under the drive of the lifting cylinder assembly to adjust the distance between the base plate and the lifting base plate; the roller assembly is paved on the surface of the lifting base plate, and is used to transport the battery pallet to the pallet detection position; the pallet positioning cylinder assembly and the buffer assembly are respectively installed at the two ends of the roller assembly in the transportation direction, wherein the pallet positioning cylinder assembly is used to realize the precise positioning of the battery pallet, and the buffer assembly is used to buffer the battery pallet during positioning; the pallet clamping cylinder assembly is arranged on the axial side of the roller assembly, and is used to clamp the battery pallet.

[0010] The roller assembly comprises a driving roller and a plurality of driven rollers, and the driving roller and the driven rollers are paved in parallel on the surface of the lifting bottom plate.

[0011] The bottom plate is provided with a shaft sleeve for the guide shaft to penetrate.

[0012] The buffer assembly includes a mounting plate and a buffer pin assembly. The mounting plate is vertically mounted on the second end of the roller assembly in the transport direction and is directly opposite to the pallet positioning cylinder assembly arranged at the first end of the roller assembly in the transport direction. The buffer pin assembly is mounted on the mounting plate and keeps the buffer pressing end of the buffer pin assembly facing the battery pallet detection position.

[0013] The pallet clamping cylinder assembly is installed in pairs on the axial sides of the roller assembly, and includes a pallet clamping cylinder and a clamping block, wherein the pallet clamping cylinder is installed on the lifting base plate, and the telescopic direction of the telescopic end of the pallet clamping cylinder is kept along the axial direction of the roller; the clamping block is installed at the telescopic end of the pallet clamping cylinder, and is driven by the pallet clamping cylinder to reciprocate linearly along the axial direction of the roller, and the battery pallet placed in the battery pallet detection position is clamped through the pallet clamping cylinder assembly arranged in pairs.

[0014] The battery tray comprises a chassis and a frame, wherein the frame is mounted on the chassis, and the two surround a groove for accommodating batteries. A battery placement area for placing batteries is provided on the chassis; and a hollow hole serving as a test hole is provided on the frame.

[0015] The beneficial effects of the present invention are: it can automatically be compatible with batteries of various sizes, has a strong heavy-load capacity, and a high degree of automation, and is widely applicable to the use of test equipment for various types of soft-pack batteries; it is not only suitable for the testing of soft-pack lithium batteries, but also widely applicable to the use of test equipment for other types of soft-pack energy storage devices, such as lithium capacitors, supercapacitors, and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1a It is a structural diagram of the stepless lifting and clamping module;

[0017] Figure 1b This is the front view of the stepless lifting and clamping module;

[0018] Figure 1c It is a top view of the stepless lifting and clamping module;

[0019] Figure 1d This is the left view of the stepless lifting and clamping module;

[0020] Figure 1e This is a bottom view of the stepless lifting and clamping module;

[0021] Figure 1f This is the right side view of the stepless lifting and clamping module;

[0022] Figure 2a It is a structural diagram of the lifting plate assembly of the stepless lifting clamping module;

[0023] Figure 2b It is the front view of the lifting plate assembly of the stepless lifting clamping module;

[0024] Figure 2c It is the left view of the lifting plate assembly of the stepless lifting clamping module;

[0025] Figure 2d It is a right view of the lifting plate assembly of the stepless lifting clamping module;

[0026] Figure 2e It is a bottom view of the lifting plate assembly of the stepless lifting clamping module;

[0027] Figure 2f It is a top view of the lifting plate assembly of the stepless lifting clamping module;

[0028] Figure 3 It is a structural diagram of the battery tray of the stepless lifting clamping module. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings.

[0030] Refer to the attached figure:

[0031] Embodiment 1 A stepless lifting and clamping module according to the present invention comprises:

[0032] The base plate 1 has a mounting platform for supporting the components of the stepless lifting and clamping module;

[0033] The pallet lifting unit comprises a lifting cylinder assembly 2 for providing lifting driving force and a lifting plate assembly 5 for transporting a battery pallet, wherein the lifting cylinder assembly 2 is mounted on a base plate 1, and the telescopic end of the lifting cylinder assembly 2 is kept in a telescopic direction perpendicular to the mounting platform of the base plate 1; the lifting plate assembly 5 is located above the base plate, and comprises a fixing portion, a pallet conveying portion, and a pallet clamping portion, wherein the fixing portion is mounted on the telescopic end of the lifting cylinder assembly, so that the lifting plate assembly is lifted and lowered in a direction perpendicular to the mounting platform under the drive of the lifting cylinder assembly; the pallet conveying portion is arranged at the end portion next to the pallet detection position of the fixing portion, and is used to push the pallet to the pallet detection position; the pallet clamping portion is mounted next to the pallet detection position of the fixing portion, and is used to clamp the battery pallet located at the pallet detection position;

[0034] The lifting limit unit, also known as the lifting limit electric cylinder assembly 3, is installed on the bottom, 1, and the limit end of the lifting limit unit is connected to the lifting plate assembly, and the movement stroke of the lifting cylinder assembly is limited by controlling the distance between the bottom plate and the lifting plate assembly;

[0035] And a battery tray 6 is placed on the tray detection position on the lifting plate assembly, and is provided with a battery placement area for placing batteries and a test hole for exposing the battery tabs for testing, wherein the test hole is arranged on the side of the battery tray.

[0036] The fixing part includes a lifting base plate 51 and a guide shaft 4, the pallet conveying part includes a pallet positioning cylinder assembly 53, a roller assembly 52 and a buffer assembly 55, the pallet clamping part is a pallet clamping cylinder assembly 54, the lifting base plate 51 is installed at the telescopic end of the lifting cylinder assembly 2, and the lifting base plate 51 is kept parallel to the bottom plate 1; the upper part of the guide shaft 4 is fixedly connected to the lifting base plate 51, and the lower part passes through the bottom plate 1, so that the lifting base plate 51 can be vertically lifted and lowered along the axial direction of the guide shaft under the drive of the lifting cylinder assembly 2 to adjust the bottom plate 1 The distance between the battery tray and the lifting base plate 51; the roller assembly 52 is paved on the surface of the lifting base plate 51, and is used to transport the battery tray 6 to the tray detection position; the pallet positioning cylinder assembly 53 and the buffer assembly 55 are respectively installed at the two ends of the roller assembly in the transportation direction, wherein the pallet positioning cylinder assembly is used to achieve precise positioning of the battery tray, and the buffer assembly is used to buffer the battery tray during positioning; the pallet clamping cylinder assembly 54 is arranged on the axial side of the roller assembly, and is used to clamp the battery tray.

[0037] The roller assembly 52 includes a driving roller and a plurality of driven rollers, and the driving roller and the driven rollers are parallelly laid on the surface of the lifting base plate.

[0038] The bottom plate 1 is provided with a shaft sleeve for the guide shaft to pass through.

[0039] The buffer assembly 55 includes a mounting plate 551 and a buffer pin assembly 552. The mounting plate is vertically mounted at the second end of the roller assembly in the transport direction and is directly opposite to the pallet positioning cylinder assembly arranged at the first end of the roller assembly in the transport direction; the buffer pin assembly is mounted on the mounting plate and keeps the buffer pressing end of the buffer pin assembly facing the battery pallet detection position.

[0040] The pallet clamping cylinder assembly 54 is installed in pairs on the axial sides of the roller assembly 52, and includes a pallet clamping cylinder and a clamping block, wherein the pallet clamping cylinder is installed on the lifting base plate, and the telescopic direction of the telescopic end of the pallet clamping cylinder is kept along the axial direction of the roller; the clamping block is installed at the telescopic end of the pallet clamping cylinder, and is driven by the pallet clamping cylinder to reciprocate in a straight line along the axial direction of the roller, and the battery pallet placed in the battery pallet detection position is clamped through the pallet clamping cylinder assemblies arranged in pairs.

[0041] The battery tray 6 includes a chassis 61 and a frame 62, which is installed on the chassis. The two frames form a groove for accommodating the battery. The chassis is provided with a battery placement area for placing the battery 7; the frame is provided with a hollow hole as a test hole.

[0042] Example 2 The difference between this example and Example 1 lies in that: the base plate 1 is the basic component, used to install other components that support the stepless jacking and clamping module; the jacking cylinder assembly 2 is installed and fixed on the base plate 1, and its function is to drive the lifting plate assembly 5 to rise and fall; the jacking limit electric cylinder assembly 3 is installed and fixed on the base plate 1, and its function is to limit the movement stroke of the jacking cylinder assembly 2. In addition, the jacking limit electric cylinder assembly 3 can automatically control the movement stroke according to the information of the battery tray 6, so as to achieve automatic compatibility with battery trays 6 of different sizes; the guide shaft 4 is installed and fixed on the lifting plate assembly 2, and its function is to ensure the stability of the lifting plate assembly 2 during lifting; the battery tray 6 is used to hold batteries.

[0043] The lifting plate assembly 5 is used to transport the battery tray 6, and is composed of five parts: a lifting base plate 51, a roller assembly 52, a tray positioning cylinder assembly 53, a tray clamping cylinder assembly 54 and a buffer assembly 55. The lifting base plate 51 is connected to the lifting cylinder assembly 2 and the lifting limit electric cylinder assembly 3 by screws; the roller assembly 52 is installed and fixed on the lifting base plate 51, and its function is to send the battery tray 6 to the position to be measured; the tray positioning cylinder assembly 53 is installed and fixed on the lifting base plate 51, and its function is to achieve precise positioning of the battery tray 6; the tray clamping cylinder assembly 54 is installed and fixed on the side of the lifting plate assembly 5, and its function is to clamp the battery tray 6; the buffer assembly 55 is installed on the lifting base plate 51, and its function is to position and buffer the battery tray 6.

[0044] Example 3 As can be seen from Figures 1-3, the stepless jacking and clamping module described in the present invention is mainly composed of six parts, namely, a base plate 1, a jacking cylinder assembly 2, a jacking limit electric cylinder assembly 3, a guide shaft 4, a lifting plate assembly 5 and a battery tray 6.

[0045] from Figure 2a-2f It can be seen that the lifting plate assembly 5 of the stepless lifting and clamping module is composed of five parts, namely, a lifting base plate 51, a roller assembly 52, a pallet positioning cylinder assembly 53, a pallet clamping cylinder assembly 54 and a buffer assembly 55.

[0046] Combined with the attached drawings, the structure and action of the stepless lifting clamping module are described in detail:

[0047] Referring to Figures 1-3, the base plate 1 of the stepless jacking and clamping module described in the present invention is a basic component, which is used to install other components that support the stepless jacking and clamping module; the lifting cylinder assembly 2 is installed and fixed on the base plate 1, and its function is to drive the lifting plate assembly 5 to rise and fall; the lifting limit electric cylinder assembly 3 is installed and fixed on the base plate 1, and its function is to limit the movement stroke of the lifting cylinder assembly 2. In addition, the lifting limit electric cylinder assembly 3 can automatically control the movement stroke according to the information of the battery tray 6 to achieve automatic compatibility with battery trays 6 of different sizes; the guide shaft 4 is installed and fixed on the lifting plate assembly 2, and its function is to ensure the stability of the lifting plate assembly 2 during lifting.

[0048] Reference Figure 2a-2f The lifting plate assembly 5 of the stepless lifting and clamping module of the present invention is used to transport the battery tray 6, and is composed of five parts: a lifting base plate 51, a roller assembly 52, a tray positioning cylinder assembly 53, a tray clamping cylinder assembly 54, and a buffer assembly 55. The lifting base plate 51 is connected to the lifting cylinder assembly 2 and the lifting limit electric cylinder assembly 3 by screws; the roller assembly 52 is mounted and fixed on the lifting base plate 51, and its function is to send the battery tray 6 to the position to be measured; the tray positioning cylinder assembly 53 is mounted and fixed on the lifting base plate 51, and its function is to achieve accurate positioning of the battery tray 6; the tray clamping cylinder assembly 54 is mounted and fixed on the side of the lifting plate assembly 5, and its function is to clamp the battery tray 6; the buffer assembly 55 is mounted on the lifting base plate 51, and its function is to position and buffer the battery tray 6.

[0049] 1-3, the battery tray of the stepless lifting and clamping module of the present invention is used to hold batteries.

[0050] The contents described in the embodiments of this specification are merely an enumeration of implementation forms of the inventive concept. The protection scope of the present invention should not be regarded as limited to the specific forms described in the embodiments. The protection scope of the present invention also includes equivalent technical means that can be thought of by those skilled in the art based on the inventive concept.

Claims

1. A stepless lifting and clamping module, characterized in that: include: A base plate having a mounting platform for supporting components of the stepless jacking and clamping module; The pallet lifting unit comprises a lifting cylinder assembly for providing lifting driving force and a lifting plate assembly for transporting a battery pallet, wherein the lifting cylinder assembly is mounted on a bottom plate and the telescopic end of the lifting cylinder assembly is kept in a telescopic direction perpendicular to the mounting platform of the bottom plate; the lifting plate assembly is located above the bottom plate and comprises a fixing portion, a pallet conveying portion and a pallet clamping portion, wherein the fixing portion is mounted on the telescopic end of the lifting cylinder assembly so that the lifting plate assembly is lifted and lowered in a direction perpendicular to the mounting platform under the drive of the lifting cylinder assembly; the pallet conveying portion is arranged at an end portion next to a pallet detection position of the fixing portion and is used to push the pallet to the pallet detection position; the pallet clamping portion is mounted next to the pallet detection position of the fixing portion and is used to clamp the battery pallet located at the pallet detection position; A lifting limit unit is installed on the bottom plate, and a limit end of the lifting limit unit is connected to the lifting plate assembly, and the movement stroke of the lifting cylinder assembly is limited by controlling the distance between the bottom plate and the lifting plate assembly; and a battery tray, which is placed on the tray detection position on the lifting plate assembly, and is provided with a battery placement area for placing batteries and a test hole for exposing the battery tabs for testing, wherein the test hole is provided on the side of the battery tray; The fixing part includes a lifting base plate and a guide shaft, the pallet conveying part includes a pallet positioning cylinder assembly, a roller assembly and a buffer assembly, the pallet holding part is a pallet clamping cylinder assembly, the lifting base plate is installed on the telescopic end of the jacking cylinder assembly, and keeps the lifting base plate parallel to the base plate; the upper part of the guide shaft is fixedly connected to the lifting base plate, and the lower part passes through the base plate, so that the lifting base plate can be vertically lifted and lowered along the axial direction of the guide shaft under the drive of the jacking cylinder assembly to adjust the distance between the base plate and the lifting base plate; the roller assembly is paved on the surface of the lifting base plate, and is used to transport the battery pallet to the pallet detection position; the pallet positioning cylinder assembly and the buffer assembly are respectively installed at the two end parts of the roller assembly in the transportation direction, wherein the pallet positioning cylinder assembly is used to realize the precise positioning of the battery pallet, and the buffer assembly is used to buffer the battery pallet during positioning; the pallet clamping cylinder assembly is arranged on the axial side of the roller assembly, and is used to clamp the battery pallet; The roller assembly includes a driving roller and a plurality of driven rollers, and the driving roller and the driven roller are paved in parallel on the surface of the lifting bottom plate; The pallet clamping cylinder assembly is installed in pairs on the axial sides of the roller assembly, and includes a pallet clamping cylinder and a clamping block, wherein the pallet clamping cylinder is installed on the lifting base plate, and the telescopic direction of the telescopic end of the pallet clamping cylinder is kept along the axial direction of the roller; the clamping block is installed at the telescopic end of the pallet clamping cylinder, and is driven by the pallet clamping cylinder to reciprocate linearly along the axial direction of the roller, and the battery pallet placed in the battery pallet detection position is clamped through the pallet clamping cylinder assembly arranged in pairs.

2. The stepless lifting and clamping module according to claim 1, characterized in that: The bottom plate is provided with a shaft sleeve for the guide shaft to penetrate.

3. The stepless lifting and clamping module according to claim 2, characterized in that: The buffer assembly includes a mounting plate and a buffer pin assembly. The mounting plate is vertically mounted on the second end of the roller assembly in the transport direction and is directly opposite to the pallet positioning cylinder assembly arranged at the first end of the roller assembly in the transport direction. The buffer pin assembly is mounted on the mounting plate and keeps the buffer pressing end of the buffer pin assembly facing the battery pallet detection position.

4. The stepless lifting and clamping module according to claim 1, characterized in that: The battery tray comprises a chassis and a frame, wherein the frame is mounted on the chassis, and the two surround a groove for accommodating batteries. A battery placement area for placing batteries is provided on the chassis; and a hollow hole serving as a test hole is provided on the frame.

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