CN207387729U

CN207387729U - Cutter structure

Info

Publication number: CN207387729U
Application number: CN201721258364.5U
Authority: CN
Inventors: 刘虎; 刘一虎; 索子绪; 王昌永; 陈华侨; 周华荣; 李纪志
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2017-09-28
Filing date: 2017-09-28
Publication date: 2018-05-22
Anticipated expiration: 2027-09-28

Abstract

The utility model provides a kind of cutter structure, including：First scalpel body has the first major cutting edge；Second scalpel body is connected to the first scalpel body, has the second major cutting edge, and the second major cutting edge is mutually perpendicular to the first major cutting edge；And a pair of secondary cutter hub, it is connected to the first scalpel body and compartment of terrain is arranged in the both sides of the second scalpel body, each pair cutter hub has auxiliary-blade.In cutter structure according to the present utility model, the integral structure design of first scalpel body, the second scalpel body and a pair of secondary cutter hub, eliminate tool changing action and lifting action, improve positioning accuracy, reduce failure, production efficiency and quality product rate are improved, and structure design is simple, reduces production cost.

Description

Cutter structure

Technical field

The utility model is related to cell manufacturing techniques more particularly to a kind of cutter structures.

Background technology

Coating machine is to coat one layer of blue film in battery surface, and specifically, with reference to Fig. 8 to Figure 11, blue film is coated on battery Outer circumferential surface and the both ends for stretching out battery axial, the part of stretching are surrounded by two long side coatings (WL) and two short side coatings (WS) It forms.Battery bottom short side coating (WS) needs to be cut into T-shaped notch (as shown in Figure 8) in packaging process, T-shaped to cut Mouth can form the small ear of coating (WE) (as shown in Figures 9 to 11) after cutting, and equipment is mountain word knife, word knife cooperation at present It completes, the extension of the blue film after cutting completes cladding action (as shown in Figure 10 and Figure 11).

Since production capacity promotes demand, the molar behavior sequential of coating machine is analyzed, bottleneck station is short side notch station.Short side The motion flow of notch station is：Battery is in place → and battery arranges positioning → clip and clamps the word knife of blue film to be cut → mono- and stretch and cut indigo plant The rising of film → knife rest, which changes mountain word knife → mountain word knife and stretches, cuts blue film → knife rest reset → clip and tab order reset → battery arrives Lower station.

Excellent rate of short side notch is low at present, and coating rework rate is high.Reason is：1st, knife rest tool changing up and down, it is of long duration to cause Positioning accuracy reduces, blue film notch offset, be easy to cause coating effect difference and the small ear WE of coating is disconnected；2nd, the side knife of mountain word knife It is too deep or too shallow often to there is notch, causes that the small ear of coating drops in battery transmission process or when flanging generates fold.

Short side notching device failure rate is higher at present, and major failure has：Mountain word knife severs side knife, word knife fracture, one Word knife knife edge defect, blue film clip fracture, cutter link screw hole slide tooth etc., cause equipment mean down time it is long, Maintenance cost is high.

Utility model content

In view of problem present in background technology, the purpose of this utility model is to provide a kind of cutter structures, can Positioning accuracy is improved, the quality product rate of blue film packaging is promoted, reduces failure and cost.

To achieve these goals, the utility model provides a kind of cutter structure, including：First scalpel body, has First major cutting edge；Second scalpel body is connected to the first scalpel body, has the second major cutting edge, the second major cutting edge and the first major cutting edge It is mutually perpendicular to；And a pair of secondary cutter hub, it is connected to the first scalpel body and compartment of terrain is arranged in the both sides of the second scalpel body, each pair knife Body has auxiliary-blade.

The beneficial effects of the utility model are as follows：

In cutter structure according to the present utility model, the first scalpel body, the one of the second scalpel body and a pair of secondary cutter hub Body formula structure design is separately designed instead of word knife of the prior art and mountain word knife, thus compared with prior art, is cancelled Tool changing action and lifting action, improve positioning accuracy, reduce failure and cost, improve production efficiency and quality product rate, And structure design is simple, reduces production cost；In addition the integral structure design of cutter structure only needs a cutter action, protects The uniformity of the T-shaped notch of blue film has been demonstrate,proved, has reduced the generation of fold.

Description of the drawings

Fig. 1 is the stereogram of cutter structure according to the present utility model.

Fig. 2 is the stereogram of another angle of Fig. 1.

Fig. 3 is the bottom view of Fig. 1.

Fig. 4 is the top view of Fig. 1.

Fig. 5 is the partial enlarged view of Fig. 4.

Fig. 6 is the side view of Fig. 1.

Fig. 7 is the partial enlarged view of Fig. 6.

Fig. 8 is the schematic diagram of battery packages indigo plant membrane structure.

Fig. 9 is the schematic diagram after the short side coating of Fig. 8 is cut.

Figure 10 is a state diagram of the blue film cladding after the incision of Fig. 9.

Figure 11 is the end-state figure of the blue film cladding after the incision of Fig. 9.

Wherein, the reference numerals are as follows：

12 mounting hole of WL long sides coating

2 second scalpel body of WS short sides coating

Small 21 second major cutting edge of ear of WE coatings

1 first scalpel body, 210 front end

211 lateral incision face of W width

The secondary cutter hub of 11 first major cutting edge 3

110 side, 31 auxiliary-blade

111 inclined surface, 310 front end

112 tip, 311 inclined-plane

Specific embodiment

Cutter structure according to the present utility model is described in detail with reference to the accompanying drawings.

As shown in Figures 1 to 7, cutter structure according to the present utility model includes：First scalpel body 1 has the first operator Sword 11；Second scalpel body 2 is connected to the first scalpel body 1, has the second major cutting edge 21, the second major cutting edge 21 and the first major cutting edge 11 are mutually perpendicular to；And a pair of secondary cutter hub 3, it is connected to the first scalpel body 1 and compartment of terrain is arranged in the both sides of the second scalpel body 2, Each pair cutter hub 3 has auxiliary-blade 31.

In cutter structure according to the present utility model, with reference to Fig. 8, the first scalpel body 1 is used to cut T-shaped " one " Notch, for the second scalpel body 2 for cutting T-shaped " l " notch, a pair of of pair cutter hub 3 is used for the both sides of " one " in cutting drawing 8 Short dash line part, and the integral structure design of the first scalpel body 1, the second scalpel body 2 and a pair of secondary cutter hub 3, substitution Word knife of the prior art and mountain word knife separately design, thus compared with prior art, to short side coating shown in Fig. 8 When WS carry out T-shaped notch, tool changing action and lifting action are eliminated, improves positioning accuracy, reduces failure and cost, Production efficiency and quality product rate are improved, and structure design is simple, reduces production cost；In addition the integral structure of cutter structure Design only needs a cutter action, ensure that the uniformity of the T-shaped notch of blue film, reduces the generation of fold.

With reference to Fig. 1 and Fig. 6, each pair cutter hub 3 is vertically connected at the first scalpel body 1 and is parallelly arranged in the second scalpel body 2 Both sides, each auxiliary-blade 31 is identical with 21 direction of the second major cutting edge.Each pair cutter hub 3 and first in the cutter mechanism of the utility model 1 unitary design of scalpel body so that when being cut in the part of the short dash line of the both sides to " one " in Fig. 8, cancel tool changing Process improves positioning accuracy, so as to ensure the uniformity of the portions cut of the short dash line of the both sides of " one ", plays and preferably divides Every the effect of the small ear WE of coating, the small ear WE of coating will not crumple, is crooked when ensure that coating flanging, and collimation is good, reduce Influence of the positioning accuracy deviation to the portions cut of the short dash line of the both sides of " one " in the exchanging knives process of the prior art.

The cross section of cutter structure is mountain glyph shape.

As shown in Figures 1 to 4, the first major cutting edge 11 is V-arrangement shape.The V-arrangement of first major cutting edge 11 is designed compared to original A word knife can quickly cut blue film, and the edge of a knife effect cut is more preferable, ensures that blue film does not allow mutability in cutting process Shape, and extend the service life of cutter structure.

As shown in Figure 4 and Figure 5, two 110 mirror symmetries of side of the V-arrangement shape of the first major cutting edge 11, it is preferable that the first master The angle on two sides 110 of blade 11 is 90 degree.Certainly can also be for other angles, the short side that can be cut according to specific needs The size of coating WS is specifically set.In addition, as shown in figure 3, width W and short side at the size maximum position of the first major cutting edge 11 The equivalent width of coating WS, so as to ensure the fixation of blue film kerf width.

As shown in Figure 6 and Figure 7, the upper surface of the first major cutting edge 11 be plane, lower surface be two inclined surface 111, upper table Face and lower surface have a common boundary at two sides 110, and two inclined surface 111 tilt rearward from two sides 110 respectively.

Preferably, the angle of inclination of each inclined surface 111 is 6 degree.Certain angle of inclination is not limited to this, and can also be other Suitable angle, can as the case may be depending on.

Second major cutting edge 21 is made of two lateral incision faces 211, and two lateral incision faces 211 are from the front end 210 of the second major cutting edge 21 It is tilted backwards respectively on the outside of the two opposite sides of the thickness direction of the second scalpel body 2.

With reference to Fig. 5, it is preferable that the angle number of degrees between two lateral incision faces 211 are 10 degree.Can certainly be other suitable The angle of conjunction, can be depending on the size of the short side coating WS specifically cut.

The front end 210 of second major cutting edge 21 and the tip 112 of the first major cutting edge 11 intersect at a point.So as to ensure the second master 21 and first major cutting edge 11 of blade cuts blue film simultaneously, and it is yielding to ensure that blue film is not allowed in cutting process.

The inside of each 31 through-thickness of auxiliary-blade is plane, and outside is inclined-plane 311, and inclined-plane 311 is before auxiliary-blade 31 End 310 outwards tilts backwards.Preferably, angle of inclination is 5 degree, naturally it is also possible to be other suitable angles, but need to ensure The notch of the short dash line part of the both sides of " one " that auxiliary-blade 31 is cut cannot be too deep or too shallow, so that the small ear WE of coating It will not crumple after bonding, is crooked, and the depth of parallelism is good.

First scalpel body 1 further includes：Two mounting holes 12, it is opposite with the first major cutting edge 11 positioned at the first scalpel body 1 Cutter structure is fixed on knife rest (not shown) by one side.

The material of cutter structure is high-speed steel.So as to ensure that the intensity of cutter structure is high, hardness is good and is less likely to be damaged, extend The service life of cutter structure.

Claims

1. a kind of cutter structure, which is characterized in that including：

First scalpel body (1) has the first major cutting edge (11)；

Second scalpel body (2) is connected to the first scalpel body (1), has the second major cutting edge (21), the second major cutting edge (21) and first Major cutting edge (11) is mutually perpendicular to；And

A pair of of pair cutter hub (3), is connected to the first scalpel body (1) and compartment of terrain is arranged in the both sides of the second scalpel body (2), each pair knife Body (3) has auxiliary-blade (31).

2. cutter structure according to claim 1, which is characterized in that

Each pair cutter hub (3) is vertically connected at the first scalpel body (1) and is parallelly arranged in the both sides of the second scalpel body (2), each pair Blade (31) is identical with the second major cutting edge (21) direction.

3. cutter structure according to claim 1, which is characterized in that the first major cutting edge (11) is V-arrangement shape.

4. cutter structure according to claim 3, which is characterized in that

Two side (110) mirror symmetries of the V-arrangement shape of the first major cutting edge (11), and two sides of the first major cutting edge (11) (110) angle is 90 degree.

5. cutter structure according to claim 4, which is characterized in that the upper surface of the first major cutting edge (11) is plane, under Surface is two inclined surface (111), and upper and lower surface has a common boundary at two sides (110), two inclined surface (111) respectively from Two sides (110) tilt rearward.

6. cutter structure according to claim 5, which is characterized in that the angle of inclination of each inclined surface (111) is 6 degree.

7. cutter structure according to claim 1, which is characterized in that the second major cutting edge (21) is by two lateral incision faces (211) It forms, two lateral incision faces (211) are from the front end of the second major cutting edge (21) (210) respectively to the thickness direction of the second scalpel body (2) Two opposite sides on the outside of tilt backwards.

8. cutter structure according to claim 1, which is characterized in that the front end (210) and first of the second major cutting edge (21) The tip (112) of major cutting edge (11) intersects at a point.

9. cutter structure according to claim 1, which is characterized in that the inside of each auxiliary-blade (31) through-thickness is flat Face, outside are inclined-plane (311), and inclined-plane (311) are outwards tilted backwards from the front end of auxiliary-blade (31) (310).

10. cutter structure according to claim 1, which is characterized in that the first scalpel body (1) further includes：Two mounting holes (12), positioned at the one side opposite with the first major cutting edge (11) of the first scalpel body (1), cutter structure is fixed on knife rest.