CN207233886U

CN207233886U - Tweezers

Info

Publication number: CN207233886U
Application number: CN201721204825.0U
Authority: CN
Inventors: 田松; 宋扬; 李荣芬; 王洋; 陈泽伟; 杨俊�
Original assignee: Dongguan Chuangming Battery Technology Co Ltd
Current assignee: Dongguan Chuangming Battery Technology Co Ltd
Priority date: 2017-09-19
Filing date: 2017-09-19
Publication date: 2018-04-13
Anticipated expiration: 2027-09-19

Abstract

The utility model provides a kind of tweezers, belong to field of battery production, for pulling out straight lug, the clamping limb being connected with each other including two ends, the clamping gap for being used for clamping the lug is formed between the medial surface of two clamping limbs, is equipped with and is connected with the medial surface of the clamping limb and for supporting two clamping limbs on the direction perpendicular to clamping direction and limiting the position limiting structure of the minimum widith in the clamping gap between two clamping limbs.Operating personnel are when using tweezers provided by the utility model, without deliberately noticing the dynamics of clamping, it can effectively avoid lug from causing the situation for being pulled deformation to occur because excessive by chucking power, it is efficient to effectively improve battery production, Improving The Quality of Products, reduces the appearance of waste product.

Description

Tweezers

Technical field

The utility model belongs to technical field of battery production, is to be related to a kind of tweezers more specifically.

Background technology

Lithium ion battery has, miniaturization higher than energy, ultrathin, lightweight and a variety of advantages such as security is high, can make Into various shapes and the battery of capacity, and then meet the needs of various products, and safety in utilization and environmental-protecting performance are all relatively good, Thus lithium ion battery is widely used in electronic product or new-energy automobile field.Column lithium ion battery is lithium-ion electric The important branch species in pond, can apply with the battery system of new-energy automobile, the lug of column lithium ion battery is from electricity The metallic conductor for extracting positive and negative anodes in core, is the indispensable device of battery, generally aluminum component.In existing system Make under the process system of column lithium ion battery, by curved lug pull out directly usually after fluid injection, then circulate under One process, the operation for pulling out straight lug are generally provoked using the thinner head of tweezers and clamp curved lug, then with moderate power Pull-up lug is spent to uprightly, and when pulling out straight, the dynamics that tweezers are pinched due to hand is not easily controlled, and the lug of aluminum compares It is soft, in the case of service speed is faster, once power is excessive, it is easy for making lug be pulled deformation, influences battery entirety The quality of production.

Utility model content

The purpose of this utility model is to provide a kind of tweezers, to solve existing in the prior art to pull out directly using tweezers Lug is easily set to be pulled the technical problem of deformation during lug.

To achieve the above object, the technical solution adopted in the utility model is：A kind of tweezers are provided, for pulling out straight lug, Including：The clamping limb that two ends are connected with each other, forms between the medial surface of two clamping limbs and is used to clamp the lug Clamping gap, be equipped between two clamping limbs and be connected and be used for perpendicular to clamping side with the medial surface of the clamping limb To direction on support two clamping limbs and limit it is described clamping gap minimum widith position limiting structure.

Further, the position limiting structure includes being arranged on the limited block on the inside of the clamping limb.

Further, the limited block has one, and one end and the medial surface of clamping limb one of them described are affixed, separately One end is used to abut with the medial surface of another clamping limb.

Further, the limited block has at least two, and is respectively symmetrically arranged on the medial surface of two clamping limbs, After clamping, the free end for two limited blocks being symmetrically set mutually abuts.

Further, the limited block is wholely set with the clamping limb.

Further, it is detachably connected between the limited block and the clamping limb by detachable structure.

Further, the detachable structure includes being used for resilient sleeve loaded on the elastic spacing ring on the clamping limb and sets Sets of holes on the limited block, the limited block are set in by the sets of holes in the ring body of the elastic spacing ring.

Further, the detachable structure include be arranged on the clamping limb on through hole, on the limited block and Screw hole corresponding with the through hole and the attachment screw for being threadedly coupled through the through hole with the screw hole.

Further, the detachable structure is including the mounting groove on the inside of the clamping limb and arranged on the mounting groove The interior and magnetic sheet for being connected with limited block magnetism, the limited block is ferrite members.

Further, the medial surface of the clamping limb between the leading flank of the adjacent clamping limb of the medial surface Pass through surface blending.

The beneficial effect of tweezers provided by the utility model is：Compared with prior art, the utility model tweezers pass through Using position limiting structure, when clamping minimum clamping gap can be kept only to be influenced by the size of position limiting structure, and from hand The influence of dynamics is pinched, and then the minimum widith in clamping gap can be made to be configured to that lug can be clamped but be unlikely to clamp excessive Width, during straight lug is pulled out, operating personnel's hand dynamics of pinching can make clamping gap reach minimum value, without deliberately The dynamics of clamping is noticed, can effectively avoid lug from causing the situation for being pulled deformation to occur because excessive by chucking power, effectively carry High battery production is efficient, Improving The Quality of Products, reduces the appearance of waste product.

Brief description of the drawings

, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing is briefly described needed in description, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other attached drawings are obtained according to these attached drawings.

Fig. 1 is the main structure diagram for the tweezers that the utility model embodiment one provides；

Fig. 2 is the left view of Fig. 1；

Fig. 3 is the C-C sectional views of Fig. 2；

Fig. 4 is the use state diagram one for the tweezers that the utility model embodiment one provides；

Fig. 5 is the use state diagram two for the tweezers that the utility model embodiment one provides；

Fig. 6 is the main structure diagram for the tweezers that the utility model embodiment two provides；

Fig. 7 is that the right side for the detachable structure that the utility model embodiment two uses regards installation diagram；

Fig. 8 is the bottom view of Fig. 7；

Fig. 9 is the main structure diagram for the tweezers that the utility model embodiment three provides；

Figure 10 is the partial structurtes enlarged drawing of Fig. 9；

Figure 11 is the A direction views of Figure 10；

Figure 12 is the main structure diagram for the tweezers that the utility model embodiment four provides；

Figure 13 is the B portions enlarged drawing of Figure 12；

Figure 14 is the main structure diagram for the tweezers that the utility model embodiment five provides；

Figure 15 is the use state diagram for the tweezers that the utility model embodiment five provides.

Wherein, each reference numeral in figure：

1- clamping limbs；2- lugs；3- clamps gap；4- limited blocks；5- detachable structures；501- elastic spacing rings；502- Sets of holes；503- through holes；504- screw holes；505- attachment screws；506- magnetic sheets；6- curved surfaces

Embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, are further elaborated the utility model.It is it should be appreciated that described herein specific real Example is applied only to explain the utility model, is not used to limit the utility model.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position System, is for only for ease of and describes the utility model and simplified description, rather than the device or element of instruction or hint meaning are necessary With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.

In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the utility model, " multiple ", " several " are meant that two A or two or more, unless otherwise specifically defined.

Also referring to Fig. 1 to Figure 15, now tweezers provided by the utility model are illustrated.The tweezers, for pulling out Straight lug, includes the clamping limb 1 of two end interconnections, is formed between the medial surface of two clamping limbs 1 and be used to clamp lug 2 Clamping gap 3, be equipped between two clamping limbs 1 and be connected and be used for perpendicular to clamping direction with the medial surface of clamping limb 1 Two clamping limbs 1 are supported on direction and limit the position limiting structure of the minimum widith in clamping gap 3.

In use, operating personnel's hand pinches two clamping limbs 1, when clamping, moves closer to two clamping limbs 1, two clamping limbs 1 moving direction close to each other is clamping direction (length direction of the clamping direction perpendicular to clamping limb 1), in two clamping limbs After 1 is close to each other to a certain extent, position limiting structure plays the role of supporting two clamping limbs, prevents two clamping limbs 1 from continuing phase It is mutually close, and then the width in clamping gap 3 can be limited by limiting moving range of the clamping limb 1 on clamping direction.

Tweezers provided by the utility model, compared with prior art, by using position limiting structure, can protect when clamping Hold the clamping gap 3 of minimum is only influenced by the size of position limiting structure, and the influence of dynamics is pinched from hand, and then can make clamping gap 3 minimum widith is configured to that lug 2 can be clamped but is unlikely to clamp excessive width, during straight lug 2 is pulled out, Operating personnel's hand dynamics of pinching can make clamping gap reach minimum value, without deliberately noticing the dynamics of clamping, after clamping every time Clamping gap 3 be consistent, can effectively avoid lug 2 from causing the situation for being pulled deformation to go out because excessive by chucking power It is existing, effectively improve that battery production is efficient, and Improving The Quality of Products, reduces the appearance of waste product.

Further, also referring to Fig. 1 to Figure 15, a kind of specific embodiment party as tweezers provided by the utility model Formula, position limiting structure include the limited block 4 for being arranged on the inner side of clamping limb 1.When in use, limited block 4 and a clamping limb 1 need to only be connected Connect, then realized by the another side of limited block 4 and abut against cooperation with another clamping limb 1.Block structure is simple to manufacture, The width in clamping gap 3 is finally determined by the width of limited block 4, easy to use and reliable, and the error in clamping gap 3 is small, usability It can stablize, and the compression strength of limited block 4 itself is high, service life length.

Further, 4 and Figure 15 is please referred to Fig.1, as a kind of embodiment of tweezers provided by the utility model, Limited block 4 has one, and one end and the medial surface of one of clamping limb 1 are affixed, and the other end is used for and another clamping limb 1 Medial surface abuts.The width in clamping gap 3, parallel to the equivalent width for clamping direction, can make clamping gap 3 with the limited block 4 Width error it is minimum, be conducive to the outside diameter of accurately matching lug 2, it is impaired to be better protected from lug 2.

Alternatively, limited block 4 is multi-edge column-shaped component, cylindrical member or elliptical cylinder-shape component, the end face of its free end It is convenient to be abutted with the medial surface of clamping limb 1 for plane, it is not susceptible to misplace after abutting.

Further, refering to Fig. 1 to Figure 13, as a kind of embodiment of tweezers provided by the utility model, limit Position block 4 has at least two, and is respectively symmetrically arranged on the medial surface of two clamping limbs 1, and each limited block 4 is respectively provided with and clamping limb 1 affixed fixing end and the free end opposite with position fixed ends, after clamping, two limited blocks 4 being symmetrically set Free end mutually abuts.The sum of the width of two limited blocks 4 being symmetrically set on parallel to clamping direction is between clamping 3 width of gap.The volume smaller of single limited block 4,1 uniform force of clamping limb of both sides, the shelf life of extension clamping limb 1.

Alternatively, limited block 4 is multi-edge column-shaped component, cylindrical member or elliptical cylinder-shape component, the end face of its free end For plane, the free end end face of the convenient limited block 4 symmetrical with position abuts, is not susceptible to misplace after abutting.

Further, please refer to Fig.1, Fig. 2, Fig. 5, Figure 14 and Figure 15, one kind as tweezers provided by the utility model Embodiment, limited block 4 are wholely set with clamping limb 1.Rigging error is not present in limited block 4 between clamping limb 1, clamping The error in gap 3 is determined into the scale error by limited block 4, is conducive to accurately limit the width in clamping gap 3, and then more effectively Ground avoids the Clamping damage to lug 2.

Further, Fig. 6 to Figure 13 is referred to, as a kind of embodiment of tweezers provided by the utility model, It is detachably connected between limited block 4 and clamping limb 1 by detachable structure 5.When needing to pull out straight various sizes of lug 2, only The limited block 4 of different width dimensions is needed replacing, improves the versatility of tweezers, reduces use cost.

Further, it is removable as a kind of embodiment of tweezers provided by the utility model refering to Fig. 6 to Fig. 8 Unloading structure 5 includes being used for resilient sleeve loaded on the elastic spacing ring 501 on clamping limb 1 and the sets of holes 502 on limited block 4, limit Position block 4 is set in by sets of holes 502 in the ring body of elastic spacing ring 501.In use, elastic spacing ring 501 is set in clamping On arm 1, elastic spacing ring 501 is fixed on clamping limb 1 by the flexible fastening uttered on clamping limb 1, while by limited block 4 On, handling are simple, easy to use.

Further, a kind of embodiment as tweezers provided by the utility model, elastic spacing ring 501 can To be launched into flexible linear structure, the both ends of the linear structure have the connecting elements for being connected with each other and coordinating, linear structure One end of part is attached with the other end again after passing through sets of holes 502, ultimately forms elastic spacing ring 501.The one of present embodiment A elastic spacing ring 502 can be realized between limited block 4 and is removably connected, and then can distinguish an elastic spacing ring 501 Corresponding various sizes of limited block 4, further reduces use cost.

Further, Fig. 9 to Figure 11 is referred to, as a kind of embodiment of tweezers provided by the utility model, Detachable structure 5 include be arranged on clamping limb 1 on through hole 503, on limited block 4 and screw hole 504 corresponding with through hole 503 and For the attachment screw 505 being threadedly coupled through through hole 503 with screw hole 504.When installation, first attachment screw 505 is run through Through hole 503, makes its end reach on the inside of clamping limb, then the screw hole 504 on limited block 4 is screwed to the end of attachment screw 505 i.e. Can.It is connected through a screw thread part to be attached, structural stability is good after connection, and limited block 4 is less likely to occur to misplace after clamping.

Further, 2 and Figure 13 is please referred to Fig.1, as a kind of embodiment of tweezers provided by the utility model, Detachable structure 5 is including the mounting groove arranged on the inner side of clamping limb 1 and in mounting groove and is used for what is be connected with the magnetism of limited block 4 Magnetic sheet 506, limited block 4 are ferrite members.Limited block 4 is set to be relatively fixed with magnetic sheet 506 by magnetic absorption effect, and then It is simple in structure with 1 relatively-stationary purpose of clamping limb, it is easy to loading and unloading, it is conveniently replaceable limited block 4.

Further, 3 are please referred to Fig.1, as a kind of embodiment of tweezers provided by the utility model, magnetic sheet 506 outer surface is concordant with the outer end face of mounting groove, i.e., the outer surface of magnetic sheet 506 is concordant with the medial surface of clamping limb 1.Reduce limit Rigging error between position block 4 and clamping limb 1, the convenient width by controlling limited block 4 accurately control the width in clamping gap 3 Degree.

Alternatively, referring to Fig. 2, personnel clamp lug 2 in order to facilitate the operation, the head end of two clamping limbs 1 is elbow Structure.Operating personnel can easily also be clamped to lug 2 without whole tweezers are laid flat, and effectively improve work efficiency.

Further, Fig. 3 and Fig. 4 is referred to, as a kind of embodiment of tweezers provided by the utility model, folder The medial surface of gripping arm 1 passes through 6 transition of curved surface between the leading flank of the adjacent clamping limb 1 of medial surface.

Lug 2 pulled out it is straight before bending it is rectangular, pull out leading flank that straight process is then one of clamping limb 1 and interior Side is bonded the position of bending respectively, that is, forms right angle fitting, pull out it is straight during, if the leading flank of clamping limb 1 with it is interior Rectangular transition between side, then be easy to cause stress concentration in the position of right angle transition, and then easily makes and the right angle transition The bending position for locating corresponding lug 2 deforms, and influences to pull out the form of straight rear lug 2.And by the leading flank of clamping limb 1 with it is interior The crossover position of side is arranged to curved, then forms being bonded for curved with 2 bending part of lug, 2 local pressure of lug is more Uniformly, it is not easy to deform during pulling out directly.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims

1. tweezers, for pulling out straight lug, include the clamping limb that two ends are connected with each other, the medial surfaces of two clamping limbs it Between formed and be used to clamp the clamping gap of the lug, it is characterised in that：It is equipped with and the clamping between two clamping limbs The medial surface of arm connects and for supporting two clamping limbs on the direction perpendicular to clamping direction and limiting the clamping The position limiting structure of the minimum widith in gap.

2. tweezers as claimed in claim 1, it is characterised in that：The position limiting structure includes being arranged on the limit on the inside of the clamping limb Position block.

3. tweezers as claimed in claim 2, it is characterised in that：The limited block has one, and one end and one of institute State that the medial surface of clamping limb is affixed, the other end is used to abut with the medial surface of another clamping limb.

4. tweezers as claimed in claim 2, it is characterised in that：The limited block has at least two, and is respectively symmetrically arranged on The medial surface of two clamping limbs, after clamping, the free end for two limited blocks being symmetrically set mutually abuts.

5. the tweezers as described in any one in claim 2-4, it is characterised in that：The limited block and clamping limb one Set.

6. the tweezers as described in any one in claim 2-4, it is characterised in that：Between the limited block and the clamping limb It is detachably connected by detachable structure.

7. tweezers as claimed in claim 6, it is characterised in that：The detachable structure includes being loaded on the folder for resilient sleeve Elastic spacing ring in gripping arm and the sets of holes on the limited block, the limited block are set in the bullet by the sets of holes In the ring body of property spacing ring.

8. tweezers as claimed in claim 6, it is characterised in that：The detachable structure includes being arranged on logical on the clamping limb Hole, on the limited block and screw hole corresponding with the through hole and for being threadedly coupled through the through hole with the screw hole Attachment screw.

9. tweezers as claimed in claim 6, it is characterised in that：The detachable structure includes being arranged on the inside of the clamping limb Mounting groove and in the mounting groove and for the magnetic magnetic sheet being connected of the limited block, the limited block is irony structure Part.

10. tweezers as claimed in claim 1, it is characterised in that：The medial surface of the clamping limb with and the medial surface it is adjacent The clamping limb leading flank between pass through surface blending.