CN212461757U

CN212461757U - Battery sealing mechanism and battery

Info

Publication number: CN212461757U
Application number: CN202020761020.1U
Authority: CN
Inventors: 李养德; 黄晓宇; 邓明星; 殷火初; 范奕城; 李斌; 刘金成
Original assignee: Huizhou Jinyuan Precision Automation Equipment Co Ltd
Current assignee: Huizhou Jinyuan Precision Automation Equipment Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-02
Anticipated expiration: 2030-05-09

Abstract

A battery sealing mechanism comprises a sealing driver, a pressing assembly and a height adjuster. The pressing assemblies comprise sealing pressure heads and lifting pieces, the sealing pressure heads and the lifting pieces are arranged on the sealing driver, the sealing pressure heads and the lifting pieces are arranged in opposite directions, and the sealing driver is used for driving the sealing pressure heads to be close to the lifting pieces so as to seal the batteries; the height adjuster comprises a first distance adjusting piece and a second distance adjusting piece, the first distance adjusting piece is abutted with the sealing pressure head, and the second distance adjusting piece is abutted with the rising piece. Add altitude controller on pressing the subassembly for the mounted position who seals pressure head and lift piece is adjustable, and then overcomes by the position error of processing and assembling process at the product, guarantees the battery and seals the precision, adjusts the mounted position who seals pressure head and lift piece separately through first roll adjustment spare and second roll adjustment spare respectively, seals the demand of sealing of the adaptable multiple not unidimensional battery of interval between pressure head and the lift piece through regulation and control, improve equipment's universality.

Description

Battery sealing mechanism and battery

Technical Field

The utility model relates to a battery processing field especially relates to a battery seals mechanism.

Background

When the battery is sealed, the battery needs to be positioned, and the sealing pressure head is driven to press down, so that the edge of the steel shell forms a flanging structure to buckle the cover cap of the battery.

As shown in fig. 1, a battery sealing mechanism 20 in a conventional production line includes a lower mold 21 for accommodating a battery, an upper mold 22 disposed above the lower mold 21, and a sealing assembly 23 for driving the lower mold 21 and the upper mold 22 to operate, wherein a battery 30 to be sealed is accommodated in the lower mold 21, and when a sealing operation is performed, the sealing assembly 23 drives the lower mold 21 to ascend so that the battery 30 extends out, and the upper mold 22 is pressed downward to press a steel shell of the battery 30.

The sealing efficiency can be improved by providing a plurality of lower dies 21 and upper dies 22 that are engaged with each other on the same sealing module 23, and the sealing operation of the sealing mechanism 20 for the battery 30 mainly includes the raising of the lower dies 21 and the pressing of the upper dies 22, and therefore, the main factor that affects the sealing effect of the battery 30 includes the distance between the lower dies 21 and the upper dies 22 when the dies are closed. In order to ensure the sealing precision of the battery 30, the lengths of the lower dies 21 and the lengths of the upper dies 22 are required to be consistent;

however, since machining errors are objective, and there are many parts on the sealing mechanism 20, errors due to assembly and the like after assembly are objective, that is, there is an error in the distance between the lower die 21 and the upper die 22 assembled on the sealing assembly 23 after the dies are assembled, and at this time, it is necessary to adjust the installation positions of the lower die 21 and the upper die 22 by additional machining or by adding a spacer to the installation positions to ensure the consistency of the distance between the lower die 21 and the upper die 22 after the dies are assembled.

Because of the above problems, the debugging and post-maintenance operations of the sealing mechanism 20 are very complicated, and therefore it is necessary to optimize the existing battery sealing mechanism to reduce the difficulty of debugging and maintaining the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide one kind and seal the precision height, and be convenient for debug and the battery of maintaining and seal the mechanism.

The purpose of the utility model is realized through the following technical scheme:

a battery sealing mechanism, comprising: the sealing device comprises a sealing driver, a pressing component and a height adjuster;

the pressing assemblies respectively comprise a sealing pressure head and an ascending piece, the sealing pressure heads and the ascending pieces are arranged on the sealing driver, the sealing pressure heads and the ascending pieces are oppositely arranged, and the sealing driver is used for driving the sealing pressure heads to be close to the ascending pieces so as to seal the batteries;

altitude controller includes first roll adjustment spare and second roll adjustment spare, first roll adjustment spare with seal the pressure head butt, rotate first roll adjustment spare is used for promoting seal the pressure head and be close to or keep away from rise the piece, the second roll adjustment spare with rise a butt, rotate the second roll adjustment spare is used for promoting rise the piece and be close to or keep away from seal the pressure head.

In one embodiment, the sealing ram includes an upper mounting sleeve disposed on the sealing actuator and a compression rod disposed within the upper mounting sleeve.

In one embodiment, the first distance adjusting part comprises a first knob and a first eccentric wheel, the first eccentric wheel is abutted against the pressure rod, the first eccentric wheel is used for pushing the pressure rod to move towards a direction close to or away from the ascending part, the first knob is connected with the first eccentric wheel, and the first knob is used for driving the first eccentric wheel to rotate.

In one embodiment, the upper mounting sleeve is provided with a first receiving cavity and a first mounting groove, the first mounting groove is located on an end surface of the upper mounting sleeve, the first receiving cavity is communicated with the first mounting groove, the pressing rod is arranged in the receiving cavity, a part of the pressing rod is exposed in the first mounting groove, and the first eccentric wheel is mounted in the first mounting groove and abutted against the pressing rod.

In one embodiment, the riser includes a lower mounting sleeve disposed on the closure driver and an ejector rod disposed within the lower mounting sleeve.

In one embodiment, the second distance adjusting part comprises a second knob and a second eccentric wheel, the second eccentric wheel abuts against the ejector rod, the second eccentric wheel is used for pushing the ejector rod to move towards or away from the sealing pressure head, the second knob is connected with the second eccentric wheel, and the second knob is used for driving the second eccentric wheel to rotate.

In one embodiment, the second knob is provided with a scale mark, and the lower mounting sleeve is provided with a pointer, and the pointer is arranged towards the scale mark.

In one embodiment, the closure driver comprises: the device comprises a driver body, a main shaft and a cam follower;

the driver body is provided with a guide slide rail, and the cam follower is arranged in the guide slide rail;

the main shaft is arranged on the driver body, the sealing pressure head and the ascending piece are both arranged on the main shaft, the sealing pressure head is connected with the cam follower, and the main shaft rotates to drive the sealing pressure head and the ascending piece to revolve around the driver body simultaneously;

the guide slide rail is used for pushing the sealing pressure head to ascend or descend along the axis direction of the main shaft.

In one embodiment, a clamping fixture is arranged on the spindle and used for being attached to the outer wall of the battery.

A battery, adopt any above-mentioned battery to seal the mechanism and carry out and seal the operation.

Compared with the prior art, the utility model discloses at least, following advantage has:

1. the height adjuster is additionally arranged on the pressing component, so that the mounting positions of the sealing pressure head and the lifting piece can be adjusted, and further, the position error of a product in the processing and assembling processes is overcome, and the sealing precision of the battery is ensured;

2. the mounting positions of the sealing pressure head and the lifting piece are independently adjusted by arranging the first distance adjusting piece and the second distance adjusting piece, so that the adjustment is flexible;

3. the sealing requirements of batteries with various sizes can be met by regulating and controlling the distance between the sealing pressure head and the lifting piece, and the universality of the equipment is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a conventional battery sealing mechanism;

fig. 2 is a schematic structural diagram of a battery sealing mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic view of a pressing assembly;

FIG. 4 is a schematic view of the engagement of the ascending member and the first distance adjusting member;

fig. 5 is an enlarged view of fig. 2 at a.

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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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.

Referring to fig. 2, a battery sealing mechanism 10 includes: seal driver 100, press subassembly 200 and altitude controller 300, press subassembly 200 to set up on sealing driver 100, and press subassembly 200 to set up a plurality ofly, seal driver 100 and provide power in order to seal the operation to battery 30 to pressing subassembly 200, altitude controller 300 is used for adjusting the mounted position who presses subassembly 200, the influence of discharge machining error and assembly error, the precision that battery 30 sealed is guaranteed, even if be convenient for debugging battery capper 10, make things convenient for the later stage to maintain again.

Referring to fig. 3, each of the pressing assemblies 200 includes a sealing ram 210 and a lifting member 220, the sealing ram 210 and the lifting member 220 are disposed on the sealing driver 100, the sealing ram 210 and the lifting member 220 are disposed opposite to each other, and the sealing driver 100 is configured to drive the sealing ram 210 to approach the lifting member 220 to seal the battery.

Referring to fig. 2, the battery 30 to be sealed is transported from the previous processing station to the battery sealing mechanism 10 and is placed on the ascending member 220, there is a gap between the ascending member 220 and the sealing ram 210, when the sealing operation is performed on the battery 30, the sealing ram 210 is driven to descend by the sealing driver 100, the sealing ram 210 contacts with the steel shell of the battery 30 and bends the steel shell, and after the sealing ram 210 descends to the lowest point, the sealing driver 100 drives the sealing ram 210 to ascend and return to the initial height.

It should be noted that, when the sealing ram 210 descends to the lowest point, the distance between the sealing ram 210 and the ascending member 220 is a clearance distance, and the descending distance of the sealing ram 210 is a pressing stroke;

a plurality of pressing assemblies 200 can be disposed on the same sealing driver 100 to improve the efficiency of the sealing operation, since the power source of the pressing assemblies 200 is the sealing driver 100, that is, the motion stroke of the sealing driver 100 is constant, that is, when the sealing driver 100 drives each pressing assembly 200 to perform the sealing operation, the pressing strokes of the sealing press heads 210 are the same;

however, due to the processing error, the equipment error and other reasons, when the pressing assembly 200 performs sealing, the distance between the sealing ram 210 and the lifting member 220 thereon is greater than or less than the clearance distance; for example, if the length of the sealing ram 210 or the ascending member 220 is greater than the preset length of the drawing due to a machining error, the distance between the sealing ram 210 and the ascending member 220 is smaller than the clearance distance during the sealing operation, so that the battery 30 is crushed when the pressing amount of the sealing ram 210 to the battery 30 is increased, and only the unmatched sealing ram 210 or the unmatched ascending member 220 can be replaced or reworked;

on the contrary, if the length of the sealing ram 210 or the ascending member 220 is smaller than the preset value of the drawing due to the processing error, the distance between the sealing ram 210 and the ascending member 220 is larger than the clearance distance, and the sealing ram 210 can not contact the battery 30 or the pressing amount of the casing of the battery 30 is insufficient when the sealing ram 210 descends to the lowest point, so that the sealing is incomplete, and at this time, the sealing ram 210 or the ascending member 220 can only be replaced or the gasket is added for debugging.

Due to the lack of an adjusting structure, requirements on machining precision and installation precision of all parts on the pressing assembly 200 are high, and debugging and maintenance difficulty workload is large.

Referring to fig. 3, the height adjuster 300 includes a first distance adjusting member 310 and a second distance adjusting member 320, the first distance adjusting member 310 abuts against the sealing ram 210, the first distance adjusting member 310 is rotated to push the sealing ram 210 to approach or separate from the ascending member 220, the second distance adjusting member 320 abuts against the ascending member 220, and the second distance adjusting member 320 is rotated to push the ascending member 220 to approach or separate from the sealing ram 210. That is, the installation position of the sealing ram 210 on the sealing driver 100 can be adjusted by independently rotating the first distance adjusting member 310, and then the distance from the sealing ram 210 to the ascending member 220 is adjusted, and similarly, the installation position of the ascending member 220 on the sealing driver 100 can be adjusted by independently rotating the second distance adjusting member 320, and then the distance from the ascending member 220 to the sealing ram 210 is adjusted, thereby eliminating the problem that the installation position of the sealing ram 210 or the ascending member 220 is incorrect due to the processing error and the assembly error.

Referring to fig. 2, in one embodiment, the sealing driver 100 includes: a driver body 110, a spindle 120, and a cam follower 130; the driver body 110 is provided with a guide rail 111, and the cam follower 130 is arranged in the guide rail 111; the main shaft 120 is installed on the driver body 110, the sealing pressure head 210 and the ascending piece 220 are both installed on the main shaft 120, the sealing pressure head 210 and the ascending piece 220 are arranged in opposite directions, the sealing pressure head 210 is connected with the cam follower 130, and the main shaft 120 rotates to drive the sealing pressure head 210 and the ascending piece 220 to revolve around the driver body 110 at the same time; the guide rail 111 is used to push the sealing ram 210 up or down along the axis of the spindle 120.

The axial line of the main shaft 120 coincides with the axial line of the driver body 110, and the main shaft 120 can be simultaneously provided with a plurality of pressing assemblies 200, that is, a plurality of sealing indenters 210 and a plurality of lifting members 220 corresponding to the sealing indenters can be arranged on the main shaft 120, and each pressing assembly 200 is distributed in a circumferential array by taking the axial line of the main shaft as the center, when the main shaft 120 runs, the pressing assemblies 200 are driven to rotate by taking the axial line as the center, namely, the pressing assemblies 200 revolve around the driver body 110;

when the sealing ram 210 revolves around the driver body 110, the sealing ram 210 slides in the guide rail 111 with the cam follower 130 connected thereto, the cam follower 130 is attached to the inner wall of the guide rail 111, the guide rail 111 has an ascending section and a descending section, the sealing ram 210 descends and presses the battery 30 when the cam follower 130 slides in the descending section, and the sealing ram 210 ascends and resets when the cam follower 130 slides in the ascending section. That is, the raising and lowering of the capping ram 210 is driven by the cam follower 130 and the guide rail 111.

Referring to fig. 2, the spindle 120 is provided with a clamping fixture 121, and the clamping fixture 121 is used for being attached to an outer wall of the battery 30. The clamping fixture 121 is used for supporting and positioning the outer wall of the battery 30.

Referring to fig. 3, in an embodiment, in order to adjust the distance between the sealing ram 210 and the lifting member 220, the sealing ram 210 includes an upper mounting sleeve 211 and a pressing rod 212, the upper mounting sleeve 211 is disposed on the sealing driver 100, and the pressing rod 212 is disposed in the upper mounting sleeve 211. The pressing rod 212 is used for being contacted with the shell of the battery 30 to press, the upper mounting sleeve 211 is connected with the cam follower 130 to drive the pressing rod 212 to lift, and the upper mounting sleeve 211 and the pressing rod 212 can slide relatively and are abutted against the pressing rod 212 by the first distance adjusting piece 310 to be fixed.

Specifically, referring to fig. 3 and 5, the first distance adjusting member 310 includes a first knob 311 and a first eccentric wheel 312, the first eccentric wheel 312 is abutted against the pressing rod 212, the first eccentric wheel 312 is used for pushing the pressing rod 212 to move toward or away from the ascending member 220, the first knob 311 is connected to the first eccentric wheel 312, and the first knob 311 is used for driving the first eccentric wheel 312 to rotate. When the pressing assembly 200 needs to be debugged, the first eccentric wheel 312 can be driven to rotate by rotating the first knob 311, the contact position between the first eccentric wheel 312 and the pressing rod 212 is changed after the first eccentric wheel 312 rotates, so that the pressing rod 212 slides relative to the upper mounting sleeve 211, and after the debugging is finished, the first knob 311 is fixed.

Further, referring to fig. 5, in order to improve the distance adjustment accuracy, the upper mounting sleeve 211 is provided with a first receiving cavity 211a and a first mounting groove 211b, the first mounting groove 211b is located on an end surface of the upper mounting sleeve 211, the first receiving cavity 211a is communicated with the first mounting groove 211b, the pressing rod 212 is disposed in the receiving cavity, and a portion of the pressing rod is exposed in the first mounting groove 211b, and the first eccentric wheel 312 is mounted in the first mounting groove 211b and abuts against the pressing rod 212.

In one embodiment, referring to fig. 4, in order to facilitate adjusting the distance between the sealing ram 210 and the lifting member 220, the lifting member 220 includes a lower mounting sleeve 221 and an ejector rod 222, the lower mounting sleeve 221 is disposed on the sealing driver 100, and the ejector rod 222 is disposed in the lower mounting sleeve 221.

Specifically, the second distance adjusting member 320 includes a second knob 321 and a second eccentric 322, the second eccentric 322 abuts against the ejection rod 222, the second eccentric 322 is used for pushing the ejection rod 222 to move toward or away from the sealing ram 210, the second knob 321 is connected to the second eccentric 322, and the second knob 321 is used for driving the second eccentric 322 to rotate.

In order to improve the distance adjustment accuracy, a scale mark 321a is provided on the second knob 321, and a pointer 221a is provided on the lower mounting sleeve 221, the pointer 221a being disposed toward the scale mark 321 a. By observing the scale indicated by the indicator 221a, the distance that the ascending member 220 ascends or descends after the second knob 321 is rotated can be determined, so as to better control the distance adjustment precision, and similarly, the same structure is also provided on the first knob 311 for providing the distance adjustment precision.

1. the height adjuster 300 is additionally arranged on the pressing component 200, so that the mounting positions of the sealing pressure head 210 and the lifting piece 220 can be adjusted, and further, the position error of a product in the processing and assembling process is overcome, and the sealing precision of the battery is ensured;

2. the mounting positions of the sealing pressure head 210 and the lifting piece 220 are independently adjusted by arranging the first distance adjusting piece 310 and the second distance adjusting piece 320, so that the adjustment is flexible;

3. the sealing requirements of batteries with various sizes can be met by regulating and controlling the distance between the sealing pressure head 210 and the lifting piece 220, and the universality of the device is improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A battery sealing mechanism, comprising:

a seal driver;

the pressing assemblies comprise sealing pressure heads and lifting pieces, the sealing pressure heads and the lifting pieces are arranged on the sealing driver, the sealing pressure heads and the lifting pieces are arranged in opposite directions, and the sealing driver is used for driving the sealing pressure heads to be close to the lifting pieces so as to seal the batteries;

altitude controller, altitude controller includes first roll adjustment spare and second roll adjustment spare, first roll adjustment spare with seal the pressure head butt, rotate first roll adjustment spare is used for promoting seal the pressure head and be close to or keep away from rise the piece, the second roll adjustment spare with rise the piece butt, rotate the second roll adjustment spare is used for promoting rise the piece and be close to or keep away from seal the pressure head.

2. The battery sealing mechanism of claim 1, wherein the sealing ram includes an upper mounting sleeve disposed on the sealing actuator and a compression bar disposed within the upper mounting sleeve.

3. The battery sealing mechanism of claim 2, wherein the first distance adjusting member comprises a first knob and a first eccentric wheel, the first eccentric wheel abuts against the pressing rod, the first eccentric wheel is used for pushing the pressing rod to move towards or away from the ascending member, the first knob is connected with the first eccentric wheel, and the first knob is used for driving the first eccentric wheel to rotate.

4. The battery sealing mechanism according to claim 3, wherein the upper mounting sleeve defines a first receiving cavity and a first mounting groove, the first mounting groove is located on an end surface of the upper mounting sleeve, the first receiving cavity is communicated with the first mounting groove, the pressing rod is disposed in the receiving cavity and partially exposed in the first mounting groove, and the first eccentric wheel is mounted in the first mounting groove and abuts against the pressing rod.

5. The battery sealing mechanism of claim 1, wherein the riser includes a lower mounting sleeve disposed on the seal actuator and an ejector rod disposed within the lower mounting sleeve.

6. The battery sealing mechanism of claim 5, wherein the second distance adjusting member comprises a second knob and a second eccentric, the second eccentric abuts against the ejector rod, the second eccentric is configured to push the ejector rod to move toward or away from the sealing ram, the second knob is connected to the second eccentric, and the second knob is configured to drive the second eccentric to rotate.

7. The battery sealing mechanism of claim 6, wherein the second knob has a scale mark disposed thereon, and the lower mounting sleeve has a pointer disposed thereon, the pointer being disposed toward the scale mark.

8. The battery sealing mechanism of claim 1, wherein the sealing actuator comprises: the device comprises a driver body, a main shaft and a cam follower;

9. The battery sealing mechanism of claim 8, wherein the main shaft is provided with a clamping fixture, and the clamping fixture is used for being attached to the outer wall of the battery.

10. A battery characterized in that a sealing operation is performed by the battery sealing mechanism according to any one of claims 1 to 9.