CN217641483U

CN217641483U - Discharging clamp for cylindrical lithium ion battery winder

Info

Publication number: CN217641483U
Application number: CN202221631938.XU
Authority: CN
Inventors: 熊才艺; 周雷军; 崔献广; 王建宇
Original assignee: Cornex New Energy Co ltd
Current assignee: Cornex New Energy Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-21
Anticipated expiration: 2032-06-27

Abstract

The utility model provides a blanking clamp for a cylindrical lithium ion battery winder, which comprises two rod bodies which are symmetrically arranged and matched with each other for use, wherein a plurality of fixing holes are arranged at the opposite inner sides of one end of each of the two rod bodies, and an elliptic arc groove is arranged at the opposite inner sides of the other ends of the two rod bodies; every be provided with evenly distributed's bead on the oval arc inslot wall, every still set up N interval arrangement's storage tank on the oval arc inslot wall, every the storage tank bottom all is provided with can stretch out, by the outside connecting block of drawing back of groove outside to the groove by the inslot, be provided with the positioning mechanism who is used for the connecting block location between connecting block and the storage tank, every the outer terminal surface fixedly connected with oval arc regulating block of connecting block. The utility model discloses set up the centre gripping cambered surface into oval circular arc groove to adjust through the internal diameter to oval circular arc groove, adapt to not unidimensional book core, improve the application scope that the unloading pressed from both sides.

Description

Discharging clamp for cylindrical lithium ion battery winder

Technical Field

The utility model relates to a lithium cell technical field specifically indicates a cylindrical lithium ion battery is unloading clamp for winder.

Background

In the cylindrical lithium ion battery manufacture process, the winder is when making electric core, and the core that rolls up of a size diameter corresponds the unloading that a diameter is equivalent and presss from both sides usually, and after electric core coiling was accomplished, roll up the core and press from both sides through two unloading of mutually supporting, will roll up the core and clip, transfer to accomplish the unloading action on the conveyer belt.

The traditional blanking clamp is a semicircular arc-shaped clamping opening, the arc-shaped clamping opening directly clamps a cylindrical roll core to move materials, when the blanking clamp with the structure is used, the roll core is separated from the arc-shaped clamping opening, and the surface of the roll core is easily adsorbed on the arc-shaped clamping opening due to the fact that the surface of the roll core is almost completely contacted with the arc-shaped clamping opening, so that the blanking position of the battery cell is inaccurate, and the error is large; and roll up core diameter in process of production and have undulantly, when rolling up core diameter when big on a large side, the unloading presss from both sides the diameter on a small side, easily causes to roll up core both ends and receive the extrusion and impaired, and roll up core diameter when small on a small side, the unloading presss from both sides the diameter on a large side, rolls up the core and easily drops.

Disclosure of Invention

To prior art's weak point, the utility model provides a cylindrical lithium ion battery is unloading clamp for winder sets up the centre gripping cambered surface into oval arc-shaped groove to adjust through the internal diameter to oval arc-shaped groove, adapt to not unidimensional book core, improve the application scope that the unloading pressed from both sides.

In order to achieve the above object, the utility model provides a cylindrical lithium ion battery is blanking clamp for winder, including symmetrical arrangement, and two pole bodies that match each other and use, its special character lies in: a plurality of fixing holes are formed in the opposite inner sides of one ends of the two rod bodies, and an elliptic arc groove capable of clamping a lithium ion battery roll core is formed in the opposite inner sides of the other ends of the two rod bodies; every be provided with evenly distributed's bead on the oval arc inslot wall, every still set up N interval arrangement's storage tank on the oval arc inslot wall, every the storage tank bottom all is provided with can stretch out, by the outside groove connection block of withdrawal outside the groove by the inslot outside the groove, be provided with the positioning mechanism who is used for the connecting block location between connecting block and the storage tank, every the oval arc regulating block that the outer terminal surface fixedly connected with of connecting block links up mutually with the oval cambered surface of oval arc groove to when making N regulating block stretch out outside the groove, can adjust oval arc inslot diameter, adapt to not unidimensional book core.

Further, a connecting rod capable of moving back and forth in the connecting block penetrates through the connecting block along the radial direction of the rod body; the connecting rod comprises a connecting rod body, a connecting groove and a connecting groove, wherein a plurality of positioning holes which are arranged at intervals along the moving direction of the connecting block and are inserted with the connecting rod are formed in the inner wall of one end, corresponding to the connecting rod, of the accommodating groove; the handle, the connecting rod, the positioning hole, the spring and the circular ring form a positioning mechanism.

Furthermore, the end part of the connecting rod, which is far away from the handle, is provided with a yielding inclined plane.

Furthermore, the containing groove is provided with a limiting groove along the axial opposite inner wall of the rod body, and the connecting block is fixedly provided with a limiting block which is vertically arranged with the limiting groove and can move in the limiting groove along the axial opposite outer side of the rod body.

Further, N is greater than or equal to 3.

Further, the number of the fixing holes is at least two.

The utility model has the advantages that:

1. compared with a semicircle, the clamping arc surface is an elliptical arc-shaped groove, holes are formed in the two ends of the elliptical arc and the two ends of the winding core, when the diameter of the winding core is larger, the two ends of the winding core cannot be extruded when the winding core is clamped by the blanking clamp, and when the diameter of the winding core is smaller, the winding core can be clamped by the blanking clamp through the inner circular arc of the elliptical arc, so that the winding core cannot fall off;

2. the convex edge is arranged in the elliptic arc groove, so that when the blanking clamp clamps the winding core, the convex edge is partially contacted with the surface of the winding core, and the adsorption force between the arc surface and the winding core is effectively reduced by reducing the contact area between the arc surface and the winding core, so that the adsorption probability of the winding core is effectively reduced;

3. the connecting block can be driven to move in the accommodating groove by the aid of the handle and the connecting rod, so that the adjusting blocks protrude out of the elliptical arc-shaped groove, the adjusting blocks are matched with each other, the inner diameter of the elliptical arc-shaped groove is adjusted, the blanking clamp is suitable for winding cores of different sizes, and the application range of the blanking clamp is widened.

The utility model discloses cylindrical lithium ion battery winder is with the blanking clamp set up the centre gripping cambered surface into oval arc-shaped groove to adjust through the internal diameter to oval arc-shaped groove, adapt to not unidimensional book core, improve the application scope of blanking clamp.

Drawings

FIG. 1 is a schematic perspective view of a shaft according to the present invention;

FIG. 2 is a front view of the shaft of the present invention;

FIG. 3 is a front cross-sectional view of the shaft according to the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

fig. 5 is a schematic right sectional view of the accommodating groove of the present invention.

In the figure: the shaft body 1, the fixed orifices 2, the oval arc-shaped groove 3, the bead 4, the regulating block 5, the accommodating groove 6, the limiting groove 7, the limiting block 8, the handle 9, the connecting rod 10, the positioning mechanism 11, the positioning hole 12, the spring 13, the abdicating inclined plane 14, the connecting block 15, the through groove 16 and the circular ring 17.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention.

The blanking clamp for the cylindrical lithium ion battery winder comprises two rod bodies 1 which are symmetrically arranged and matched with each other for use, wherein a plurality of fixing holes 2 are formed in the opposite inner sides of one ends of the two rod bodies 1, and an elliptic arc-shaped groove 3 capable of clamping a lithium ion battery roll core is formed in the opposite inner sides of the other ends of the two rod bodies 1; every be provided with evenly distributed's bead 4 on the 3 inner walls of oval arc-shaped groove, every still set up N interval arrangement's storage tank 6 on the 3 inner walls of oval arc-shaped groove, every 6 bottoms of storage tank all are provided with can stretch out to the inslot by the inslot, by the connecting block 15 of the outside inslot withdrawal of groove, be provided with between connecting block 15 and the storage tank 6 and be used for the positioning mechanism 11 with connecting block 15 location, every the oval arc regulating block 5 that the outer terminal surface fixedly connected with of connecting block 15 links up mutually with the 3 oval cambered surfaces of oval arc-shaped groove to when making N regulating block 5 stretch out to the groove, can adjust 3 internal diameters of oval arc-shaped groove, adapt to not unidimensional book core.

The number of the fixing holes 2 is at least two, and two symmetrical rod bodies 1 can be matched with each other for use by utilizing the fixing holes 2 and corresponding fixing bolts. The winding core is clamped from the upper side and the lower side of the winding core through the elliptical arc-shaped grooves 3 on the two mutually matched rod bodies 1 and is transferred to a conveying belt to finish the blanking action. Traditional unloading presss from both sides to be semicircle convex clamp mouth, and convex clamp mouth is directly pressed from both sides and is got the cylinder and roll up the core and move the material, and the unloading clamp of this kind of structure is when using, and electric core breaks away from convex when pressing from both sides the mouth, because roll up core surface and circular arc press from both sides the almost complete contact of mouth, roll up the core and can be adsorbed on convex clamp mouthful, lead to electric core unloading position inaccurate, it is great to appear the error.

This scheme utilization oval arc-shaped groove 3 replaces convex clamp mouth, compares in the semicircle, has the hole between the both ends of oval arc-shaped groove 3 and the book core both ends, when rolling up the core diameter when big on a large side, adopts the unloading to press from both sides and gets and can not cause the extrusion to the upper and lower both sides of rolling up the core when rolling up the core diameter when small on a small side, and the unloading presss from both sides oval arc regulating block 5 of 3 inside oval arc-shaped grooves of accessible and presss from both sides and roll up the core, can not cause roll core to drop.

Be provided with bead 4 on the 3 inner walls in oval arc-shaped groove, bead 4 is provided with a plurality of and equidistant range, when the core was rolled up to the feed collet centre gripping, bead 4 and roll up the core contact, effectively reduce the adsorption affinity between the two through the area of contact that reduces oval arc-shaped groove 3 and roll up the core to reduce the probability that roll up the core and be adsorbed.

The utility model discloses in, every still set up the storage tank 6 that three interval was arranged on the 3 inner walls in oval arc-shaped groove. The regulating block 5 is three, and the surface of regulating block 5 links up with the oval cambered surface of the oval arc groove 3 of both sides, when connecting block 15 reciprocates in storage tank 6, can drive regulating block 5 and reciprocate, when the surface protrusion of regulating block 5 in the surface of oval arc groove 3, can adjust the internal diameter of oval arc groove 3, adapts to not unidimensional book core, makes its centre gripping more stable.

Preferably, a connecting rod 10 capable of moving back and forth inside the connecting block 15 penetrates through the inside of the connecting block 15 along the radial direction of the rod body 1; a plurality of positioning holes 12 which are arranged at intervals along the moving direction of the connecting block 15 and are inserted into the connecting rod 10 are formed in the inner wall of one end, corresponding to the connecting rod 10, of the accommodating groove 6, through grooves 16 which extend to the outer surface of the rod body 1 and are arranged along the moving direction of the connecting block 15 are formed in the inner wall of the other end, corresponding to the connecting rod 10, of the accommodating groove 6, and handles 9 which can be blocked outside the through grooves 16 are arranged at the outer side ends, extending to the through grooves 16, of the connecting rod 10; the connecting rod 10 is sleeved with a spring 13 which abuts between the side wall of the connecting block 15 and the inner wall of the through groove 16, and a circular ring 17 which is fixedly connected with the connecting block 15 and sleeved on the connecting rod 10 is fixedly arranged on the end face, close to the connecting block 15, of the spring 13; the handle 9, the connecting rod 10, the positioning hole 12, the spring 13 and the ring 17 form a positioning mechanism 11.

Utilize handle 9 can drive connecting rod 10 and reciprocate, through the connection effect of connecting rod 10 and connecting block 15, can drive connecting block 15 and reciprocate in storage tank 6, and then realize that regulating block 5 removes, through the position control to regulating block 5, realize adjusting the internal diameter of oval arc groove 3, adapt to not unidimensional book core.

After adjusting block 5 to suitable position, usable positioning mechanism 11 locks the position of adjusting block 5 fixedly, avoids in the course of the work adjusting block 5 to remove and leads to the unstable phenomenon of centre gripping to take place.

One end of the connecting rod 10 is inserted into the positioning hole 12, and the connecting rod 10 can be limited. One end of the spring 13 abuts against the inner wall of the through groove 16, the other end of the spring 13 abuts against a circular ring 17 on the side wall of the connecting block 15, the spring 13 can move along with the movement of the handle 9, when the connecting rod 10 is pulled outwards, the spring 13 is in a contracted state, when the connecting rod 10 is loosened, the end part of the connecting rod 10 is driven to abut against the positioning hole 12 tightly under the elastic action of the spring 13, when no external force is applied to the handle 9, the connecting rod 10 moves towards the direction close to the positioning hole 12 under the elastic action of the spring 13, the end part of the connecting rod 10 is clamped in the positioning hole 12 to achieve the positioning and locking action on the connecting block 15, when the position of the adjusting block 5 needs to be adjusted, the connecting rod 10 is pulled towards the direction far away from the positioning hole 12 by using the handle 9, the spring 13 is compressed until the end part of the connecting rod 10 is separated from the positioning hole 12, at the position of the connecting block 15 can be adjusted up and down, after the handle 9 is loosened to an appropriate position, and under the action of the spring 13, the end part of the connecting rod 10 is clamped into the positioning hole 12 to achieve locking and fixing again.

Preferably, the end of the connecting rod 10 away from the handle 9 is provided with a relief slope 14, and the relief slope 14 facilitates the connecting rod 10 to enter or leave the positioning hole 12.

The utility model discloses set up the centre gripping cambered surface into oval arc-shaped groove to adjust through the internal diameter to oval arc-shaped groove, adapt to not unidimensional book core, improve the application scope that the unloading pressed from both sides.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a cylindrical lithium ion battery is blanking clamp for winder, includes symmetrical arrangement, and two poles body (1) that match each other and use, its characterized in that: a plurality of fixing holes (2) are formed in the opposite inner sides of one ends of the two rod bodies (1), and an elliptic arc groove (3) capable of clamping a lithium ion battery roll core is formed in the opposite inner sides of the other ends of the two rod bodies (1); every be provided with evenly distributed's bead (4), every on oval arc groove (3) inner wall still set up N interval arrangement's storage tank (6), every on oval arc groove (3) inner wall storage tank (6) bottom all is provided with connecting block (15) that can stretch out, withdraw from the groove outside to the groove by the groove outside, be provided with between connecting block (15) and storage tank (6) and be used for positioning mechanism (11) with connecting block (15) location, every outer terminal surface fixedly connected with of connecting block (15) and oval arc adjusting block (5) that oval arc groove (3) oval cambered surface links up mutually to when making N adjusting block (5) stretch out to the groove outside, can adjust oval arc groove (3) internal diameter, adapt to not unidimensional book core.

2. The blanking clamp for the cylindrical lithium ion battery winder according to claim 1, wherein: a connecting rod (10) capable of moving back and forth in the connecting block (15) penetrates through the connecting block (15) along the radial direction of the rod body (1); the inner wall of one end, corresponding to the connecting rod (10), of the accommodating groove (6) is provided with a plurality of positioning holes (12) which are arranged at intervals along the moving direction of the connecting block (15) and are in plug-in connection with the connecting rod (10), the inner wall of the other end, corresponding to the connecting rod (10), of the accommodating groove (6) is provided with through grooves (16) which extend to the outer surface of the rod body (1) and are arranged along the moving direction of the connecting block (15), and handles (9) which can be blocked outside the through grooves (16) are arranged at the outer side ends, extending to the through grooves (16), of the connecting rod (10); a spring (13) abutted between the side wall of the connecting block (15) and the inner wall of the through groove (16) is sleeved on the connecting rod (10), and a circular ring (17) fixedly connected with the connecting block (15) and sleeved on the connecting rod (10) is fixedly arranged on the end face, close to the connecting block (15), of the spring (13); the handle (9), the connecting rod (10), the positioning hole (12), the spring (13) and the circular ring (17) form a positioning mechanism (11).

3. The blanking clamp for the cylindrical lithium ion battery winder of claim 2, wherein: the end part of the connecting rod (10) far away from the handle (9) is provided with a yielding inclined plane (14).

4. The blanking clamp for the cylindrical lithium ion battery winder of claim 3, wherein: spacing groove (7) have all been seted up along pole body (1) axial on the axial relative inner wall in storage tank (6), connecting block (15) all set firmly along pole body (1) axial relative outside with spacing groove (7) perpendicular arrange, and can move in spacing groove (7) stopper (8).

5. The blanking clamp for the cylindrical lithium ion battery winder according to claim 1, wherein: the N is greater than or equal to 3.

6. The blanking clamp for the cylindrical lithium ion battery winder of claim 1, wherein: the number of the fixing holes (2) is at least two.