CN214686617U

CN214686617U - Vacuum adsorption device

Info

Publication number: CN214686617U
Application number: CN202120721874.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shenzhen Chuanjin Automation Technology Co ltd
Current assignee: Shenzhen Dacheng precision equipment Co.,Ltd.
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-12
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a vacuum adsorption device, including sucking disc, moving part, mounting, first bolster and second bolster, the one end that the moving part was kept away from to the sucking disc is the adsorption plane, and first bolster setting is on the adsorption plane of sucking disc, and first bolster is used for buffering the contact force of sucking disc and lithium cell, and the second bolster sets up between moving part and mounting, and the second bolster is used for buffering the contact force of moving part and mounting. Because be equipped with first bolster on the adsorption plane of sucking disc, be equipped with the second bolster between moving part and mounting, the contact force of sucking disc and lithium cell can be cushioned to first bolster, and the contact force of moving part and mounting can be cushioned to the second bolster for empty adsorption device can realize the two-stage buffering when adsorbing the lithium cell, has reduced the extrusion impact of sucking disc to the lithium cell, has avoided the damage of lithium cell at the vacuum adsorption in-process, and then has guaranteed the performance of lithium cell.

Description

Vacuum adsorption device

Technical Field

The utility model relates to a lithium cell makes technical field, concretely relates to vacuum adsorption device for adsorbing lithium cell.

Background

The lithium battery needs to go through a plurality of processes during the production and preparation process and is switched among the plurality of processes. At present, a vacuum chuck is adopted to adsorb and fix the lithium battery firstly, and then the lithium battery is transferred to other procedures.

In the process of adsorbing the lithium battery, the vacuum sucker is gradually contacted with the lithium battery, and then the vacuum sucker is vacuumized and adsorbed; because vacuum chuck itself has certain hardness, when vacuum chuck and lithium cell contact, produce the extrusion to the lithium cell easily, and then harm the lithium cell, influence the performance of lithium cell.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vacuum adsorption device can solve and cause the problem of damage to it adsorbing the lithium cell in-process.

In one embodiment, a vacuum adsorption device is provided, which includes a suction cup, a movable member, a fixed member, a first buffer member and a second buffer member; the sucker is connected to one end of the movable piece, which is far away from the sucker, is connected with the fixed piece in a sliding mode, and the sliding direction of the movable piece, relative to the fixed piece, is consistent with or parallel to the direction in which the sucker is close to or far away from the lithium battery;

the sucking disc is kept away from the one end of moving part is the adsorption plane, first bolster sets up on the adsorption plane of sucking disc, first bolster is used for the buffering the contact force of sucking disc and lithium cell, the second bolster sets up the moving part with between the mounting, the second bolster is used for the buffering the moving part with the contact force of mounting.

Furthermore, a plurality of first air holes are formed in the adsorption surface of the sucker, the first buffer piece is an elastic buffer layer, the elastic buffer layer covers the adsorption surface, and the elastic buffer layer is provided with second air holes aligned with the first air holes one by one.

Further, the elastic buffer layer is a silica gel layer or a sponge layer with airtight surface.

Furthermore, a plurality of first air holes are formed in the adsorption surface of the sucker, the first buffer piece is an elastic buffer block, and the elastic buffer block is provided with a plurality of first air holes which are staggered with each other.

Further, the vacuum adsorption device further comprises a guide rail and a sliding block, the guide rail is arranged on the fixing piece, the sliding block is connected to the guide rail in a sliding mode, and the moving piece is connected with the sliding block.

Furthermore, a first limiting part and a second limiting part are arranged on the fixing part, the first limiting part and the second limiting part are respectively located at two ends of the guide rail, and the first limiting part and the second limiting part are used for limiting the sliding stroke of the sliding block.

Furthermore, the first limiting part is opposite to the second limiting part and is far away from the sucker, the second buffer part is arranged at one end, far away from the sucker, of the moving part and between the first limiting part, or the second buffer part is arranged at one end, far away from the sucker, of the sliding block and between the first limiting part.

Further, the moving part is kept away from the one end terminal surface of sucking disc is equipped with the recess, the second bolster is installed in the recess, the second buffering is buffer spring, buffer spring protrusion in the recess.

Further, the vacuum adsorption device further comprises a distance sensor, the distance sensor is installed on the sucker, and the distance sensor is used for detecting the distance between the sucker and the lithium battery.

Further, the distance sensor is installed on the sucking disc relatively on the another side of adsorption plane, be equipped with on the sucking disc with the first hole of dodging that distance sensor aligns, be equipped with on the first bolster with the second hole of dodging that distance sensor aligns.

According to the vacuum adsorption device of above-mentioned embodiment, because be equipped with first bolster on the adsorption plane of sucking disc, be equipped with the second bolster between moving part and mounting, the contact force of sucking disc and lithium cell can be cushioned to first bolster, the contact force of moving part and mounting can be cushioned to the second bolster for empty adsorption device can realize the two-stage buffering when adsorbing the lithium cell, has reduced the extrusion impact of sucking disc to the lithium cell, has avoided the damage of lithium cell in the vacuum adsorption in-process, and then guarantees the performance of lithium cell.

Drawings

FIG. 1 is a schematic diagram of a vacuum adsorption apparatus according to an embodiment;

FIG. 2 is a side view of a vacuum adsorption unit in one embodiment;

FIG. 3 is a cross-sectional view B-B of FIG. 2;

FIG. 4 is an exploded view of a vacuum chuck assembly according to an exemplary embodiment;

the device comprises a sucker, a sucker hole plate, a first air hole, a first avoidance hole, a sucker bottom plate, a groove, a third air hole, a mounting hole, a 2-moving part, a 3-fixing part, a first limiting part, a second limiting part, a 4-first buffering part, a 5-second buffering part, a 61-guide rail, a 62-sliding block and a 7-distance sensor, wherein the sucker is 1-a sucker, the sucker hole plate is 11-a sucker hole plate, the 111-first air hole, the 112-first avoidance hole, the sucker bottom plate is 12-a sucker bottom plate, the groove is 121-a groove, the third air hole is 123-a mounting hole, the 2-moving part is 3-a fixing part, the first limiting part is 31-a second limiting part, the 4-first buffering part is 4-a first buffering part, the 5-second buffering part is 61-a guide rail, the 62-sliding block and the 7-distance sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

The embodiment provides a vacuum adsorption device, and the vacuum adsorption device is mainly used for adsorbing a lithium battery and is installed on a transfer device such as a manipulator, so that the lithium battery can be transferred among different processes.

Referring to fig. 1 to 4, the vacuum adsorption device of the present embodiment mainly includes a suction cup 1, a moving part 2, a fixing part 3, a first buffer part 4 and a second buffer part 5, the suction cup 1 is fixedly connected to the moving part 2, the moving part 2 is slidably connected to the fixing part 3, the first buffer part 4 is installed on the suction cup 1, the second buffer part 5 is installed between the moving part 2 and the fixing part 3, the first buffer part 4 is used for buffering a contact force between the suction cup 1 and a lithium battery, and the second buffer part 5 is used for buffering a contact force between the moving part 2 and the fixing part 3. The first buffer member 4 and the second buffer member 5 form two-stage buffering, and extrusion force generated when the sucking disc 1 adsorbs a lithium battery is reduced. The contact force described above includes both direct contact and indirect contact forces.

Referring to fig. 4, specifically, the suction cup 1 includes a suction cup hole plate 11 and a suction cup bottom plate 12, the suction cup hole plate 11 and the suction cup bottom plate 12 are plates having the same area, and the suction cup hole plate 11 and the suction cup bottom plate 12 are stacked together by screws. The suction cup bottom plate 12 is provided with a groove 121 on the surface facing the suction cup hole plate 11, the groove 121 and the suction cup hole plate 11 enclose a gas cavity, the surface of the suction cup bottom plate 12 facing away from the suction cup hole plate 11 is provided with a third gas hole 122, the third gas hole 122 is communicated with the groove 121, namely the third gas hole 122 is communicated with the gas cavity, and the third gas hole 122 is connected with a gas source through a pipeline. The first air holes 111 of the array are arranged on the sucker pore plate 11 and penetrate through the sucker pore plate 11, and the first air holes 111 are distributed in the area opposite to the groove 121, so that all the first air holes 111 are communicated with the air cavity.

Referring to fig. 3, the first buffer member 4 is an elastic buffer layer, which is a sponge layer with an airtight surface, the sponge layer has elasticity, and the elastic buffer layer may be a silica gel layer or a layer made of other elastic materials. The area of the first buffer 4 corresponds to the suction cup perforated plate 11 and the suction cup bottom plate 12. The face of sucking disc orifice plate 11 back to sucking disc bottom plate 12 is the adsorption plane, first bolster 4 is fixed on the adsorption plane of sucking disc orifice plate 11 through the mode that bonds, the second gas pocket 41 that has a plurality of and first gas pocket 111 one-to-one on first bolster 4, make second gas pocket 41, first gas pocket 111, gas chamber and third gas pocket 122 intercommunication form the gas circuit, first bolster 4 is used for contacting with the lithium cell, the gas source passes through second gas pocket 41, first gas pocket 111, the gas circuit of gas chamber and third gas pocket 122 intercommunication carries out the negative pressure to the lithium cell and adsorbs.

In other embodiments, the first buffer 4 is an elastic buffer block, and the structure of the elastic buffer block includes, but is not limited to, a spherical structure, a square structure, a circular structure, and the like. The first buffering parts 4 are provided with a plurality of first buffering parts 4, the first buffering parts 4 are all pasted on the adsorption surface of the sucker hole plate 11, the first buffering parts 4 and the second air holes 41 are staggered, and the first buffering parts 4 are prevented from blocking the second air holes 41. The arrangement of a plurality of elastic buffer blocks can also play a certain buffering effect. In order to avoid the first buffer member 4 from generating a gap between the sucker pore plate 11 and the lithium battery to influence vacuum adsorption, a groove for mounting the first buffer member 4 is arranged on the adsorption surface of the sucker pore plate 11; the first buffer member 4 protrudes out of the groove in the case of no external force, and the first buffer member 4 is pressed into the groove in the case of adsorbing the lithium battery.

In this embodiment, one end of the movable member 2 is fixedly connected to the suction cup bottom plate 12, and the movable member 2 and the suction cup hole plate 11 are respectively located on two sides of the suction cup bottom plate 12. The other end of the movable piece 2 is connected with the fixed piece 3 in a sliding way. The sucker 1, the first buffer piece 4 and the movable piece 2 are relatively fixed, and the sucker 1, the first buffer piece 4 and the movable piece 2 can slide relative to the fixed piece 3 simultaneously.

In this embodiment, the vacuum adsorption device further includes a slide rail 61 and a slide block 62, the slide rail 61 is fixed on the fixing member 3 by a screw, the slide block 62 is slidably connected to the slide rail 61, and one end of the movable member 2 away from the suction cup 1 is fixedly connected to the slide block 62. Slide rail 61 is the dovetail structure, and slider 62 has the dovetail spout that corresponds with slide rail 61, the setting of dovetail structure for slider 62 can be inlayed on slide rail 61, can the radial degree of freedom of spacing slider 62, also can improve gliding stability.

The length direction of slide rail 61 is parallel with the flexible direction of adsorbing the lithium cell of sucking disc 1, and the slip direction of the relative mounting 3 of moving part 2 is parallel with the flexible direction of adsorbing the lithium cell of sucking disc 1 promptly, and then can realize the secondary movement buffering of sucking disc 1.

In other embodiments, the sliding rail 61 is a part of the fixed member 3, and the sliding block 62 is a part of the movable member 2, so that the sliding direction of the movable member 2 relative to the fixed member 3 is the same (collinear) with the direction in which the suction cup 1 telescopically absorbs the lithium battery, and the secondary movement buffering can also be realized.

Referring to fig. 2, in the embodiment, the fixing member 3 is provided with a first limiting member 31 and a second limiting member 32, the first limiting member 31 and the second limiting member 32 are plate structures, the first limiting member 31 and the second limiting member 32 are respectively installed on two sides of the sliding rail 61, and the first limiting member 31 and the second limiting member 32 are used for limiting the sliding stroke of the sliding block 62. The first limiting member 31 is longer than the second limiting member 32, and an end of the first limiting member 31 extends in the axial extending direction of the movable member 2 to limit the moving stroke of the movable member 2.

A groove is arranged on the end face of one end, far away from the sucker 1, of the moving part 2, and the second buffer part 5 is installed in the groove of the moving part 2. The second buffer 5 is a straight spring, and in a natural state, one end of the straight spring protrudes out of the groove of the movable element 2, one end of the straight spring protruding out of the groove of the movable element 2 is used for abutting against the first limiting element 31, and the straight spring is used for buffering the contact force of the movable element 2 relative to the fixed element 3, so as to buffer the axial movement of the suction cup 1.

In other embodiments, the end surface of the moving part 2 does not need to be provided with a groove, and the straight spring is directly installed on the end surface of the moving part 2; or the straight spring is installed on the first limiting member 31, and the straight spring is aligned with the movable member 2; it can also be used to dampen the contact force of the moving part 2 with respect to the stationary part 3.

In other embodiments, a straight spring mounted on the end of the slider 62 remote from the suction cup 1 can also be used to dampen the contact force of the mobile element 2 with respect to the fixed element 3.

In other embodiments, the second buffer member 5 may also be made of an elastic material such as silicone rubber or sponge, and can also play a certain role in buffering.

In this embodiment, vacuum adsorption device still includes distance sensor 7, and distance sensor 7 is optical distance sensor, infrared distance sensor or ultrasonic wave distance sensor to optical distance sensor is the example, and distance sensor 7 calculates the distance between distance sensor 7 and the lithium cell through the reverberation of transmission light irradiation lithium cell and receipt lithium cell reflection, and then calculates the distance between lithium cell and the sucking disc 1, with the removal of the relative lithium cell of accurate control sucking disc 1.

Referring to fig. 4, the distance sensor 7 is mounted on the surface of the suction cup bottom plate 12 facing away from the suction cup hole plate 11. The sucking disc bottom plate 12 is provided with a through mounting hole 123, and the detection end of the distance sensor 7 is inserted in the mounting hole 123 of the sucking disc bottom plate 12. Be equipped with first dodge hole 112 on the sucking disc orifice plate 11, the second dodges mouth 42 on the first bolster 4, first dodge hole 112 and second dodge mouth 42 and the mounting hole 123 of sucking disc bottom plate 12 and align on an axis for the detection light of distance sensor 7's detection end transmission can pass sucking disc orifice plate 11 and first bolster 4 and shine on the lithium cell, realizes the measurement to the distance between lithium cell and the sucking disc 1. If the first buffer member 4 is an elastic buffer block, the second avoiding opening 42 is not required to be formed on the first buffer member 4.

The distance sensor 7 is installed in the installation hole 123 of the sucker bottom plate 12, so that the detection light can be prevented from being influenced by the outside, the detection efficiency is further ensured, and the energy consumption is reduced.

In other embodiments, the distance sensor 7 is installed on the side of the suction cup 1, which can detect the distance between the lithium battery and the suction cup 1, but can be interfered by external light.

The vacuum adsorption device that this embodiment provided, because be equipped with first bolster 4 on the adsorption plane of sucking disc 1, be equipped with second bolster 5 between moving part 2 and mounting 3, the contact force of sucking disc 1 and lithium cell can be cushioned to first bolster 4, the contact force of moving part 2 and mounting 3 can be cushioned to second bolster 5, make empty adsorption device can realize the two-stage buffering when adsorbing the lithium cell, the extrusion impact of sucking disc to the lithium cell has been reduced, the damage of lithium cell in the vacuum adsorption in-process has been avoided, and then the performance of lithium cell is guaranteed.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. A vacuum adsorption device is characterized by comprising a sucker, a movable piece, a fixed piece, a first buffer piece and a second buffer piece; the sucker is connected to one end of the movable piece, which is far away from the sucker, is connected with the fixed piece in a sliding mode, and the sliding direction of the movable piece, relative to the fixed piece, is consistent with or parallel to the direction in which the sucker is close to or far away from the lithium battery;

2. The vacuum chuck according to claim 1, wherein the suction surface of the chuck has a plurality of first air holes, the first buffer member is an elastic buffer layer, the elastic buffer layer covers the suction surface, and the elastic buffer layer has second air holes aligned with the first air holes one by one.

3. The vacuum adsorption device of claim 2, wherein the elastic buffer layer is a silica gel layer or a sponge layer with an airtight surface.

4. The vacuum chuck according to claim 1, wherein the suction surface of the chuck has a plurality of first air holes, the first buffer member is an elastic buffer block, and the suction surface of the chuck has a plurality of elastic buffer blocks staggered from the first air holes.

5. The vacuum chuck as claimed in claim 1, further comprising a guide rail and a slider, wherein the guide rail is disposed on the fixed member, the slider is slidably connected to the guide rail, and the movable member is connected to the slider.

6. The vacuum suction device according to claim 5, wherein the fixed member is provided with a first limiting member and a second limiting member, the first limiting member and the second limiting member are respectively located at two ends of the guide rail, and the first limiting member and the second limiting member are used for limiting the sliding stroke of the slider.

7. The vacuum suction device according to claim 6, wherein the first position limiting member is away from the suction cup relative to the second position limiting member, the second cushion member is disposed between an end of the movable member away from the suction cup and the first position limiting member, or the second cushion member is disposed between an end of the slider away from the suction cup and the first position limiting member.

8. The vacuum chuck according to claim 7, wherein a recess is formed in an end surface of the movable member remote from the chuck, the second buffer member is installed in the recess, and the second buffer member is a buffer spring protruding from the recess.

9. The vacuum chucking device as recited in claim 2, further comprising a distance sensor mounted on the chuck for detecting a distance between the chuck and the lithium battery.

10. The vacuum chuck according to claim 9, wherein the distance sensor is mounted on the other side surface of the chuck opposite to the suction surface, the chuck is provided with a first avoiding hole aligned with the distance sensor, and the first buffer member is provided with a second avoiding hole aligned with the distance sensor.