Cutter supporting plate structure

Abstract

The utility model discloses a cutter supporting plate structure which comprises a machine frame, an upper slitting assembly, a lower slitting assembly, a first driving assembly and a second driving assembly, the upper slitting assembly and the lower slitting assembly are both installed on the machine frame, the lower slitting assembly is located below the upper slitting assembly, the first driving assembly is located at the top end of the machine frame, and the second driving assembly is located at the bottom end of the machine frame. The upper slitting assembly is located at the output end of the first driving assembly, the second driving assembly is located at the bottom end of the rack, the lower slitting assembly is located at the output end of the second driving assembly, and a material belt channel is formed between the upper slitting assembly and the lower slitting assembly and used for allowing a pole piece material belt to pass through. The upper slitting assembly and the lower slitting assembly are each provided with an avoiding part in the feeding direction close to the pole piece material belt. According to the utility model, the avoiding part and the inclined part are arranged on the upper supporting plate and the lower supporting plate relative to the inlet of the pole piece material belt entering the material belt channel, so that the pole piece material belt is avoided, the pole piece material belt enters the material belt channel, and the phenomenon of material blockage caused by the fact that the pole piece material belt is clamped at the inlet of the two cutter edges is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pole piece die cutting, particularly to a cutting knife supporting plate structure. BACKGROUND

[0002] The pole piece is an important component of lithium battery and plays a vital role in the performance of the battery. The pole piece is made by coating the pole powder material on both sides of the substrate, and then die cutting the coated substrate to obtain the pole piece with the required size and shape. The existing pole piece is cut off and then die cut into shape. When the pole piece enters the cutting knife opening in the die cutting machine in the prior art, the pole piece in the feeding is easily blocked in the cutting knife opening about 0.5 mm, causing the equipment to stop and the pole piece to be wasted about 0.5 mm, and causing waste when processing the blocked pole piece. SUMMARY

[0003] The utility model aims at overcoming the defects in the prior art and providing a cutting knife supporting plate structure.

[0004] The utility model aims at overcoming the defects in the prior art and providing a cutting knife supporting plate structure.

[0005] The cutting knife supporting plate structure comprises a rack, an upper slitting assembly, a lower slitting assembly, a first driving assembly, and a second driving assembly. The upper slitting assembly and the lower slitting assembly are both mounted on the rack, and the lower slitting assembly is below the upper slitting assembly. The first driving assembly is at the top end of the rack, the upper slitting assembly is at the output end of the first driving assembly, the second driving assembly is at the bottom end of the rack, and the lower slitting assembly is at the output end of the second driving assembly. A material belt passage is formed between the upper slitting assembly and the lower slitting assembly, and the material belt passage is used for the passage of the pole piece material belt. The upper slitting assembly and the lower slitting assembly are both provided with an avoiding part close to the feeding direction of the pole piece material belt.

[0006] In one embodiment, the upper slitting assembly comprises an upper supporting plate and an upper cutting knife. The upper supporting plate is detachably connected to the rack, and the upper cutting knife is mounted at the bottom of the upper supporting plate. The lower slitting assembly comprises a lower supporting plate and a lower cutting knife. The lower supporting plate is detachably connected to the rack, and the lower cutting knife is mounted on the side of the lower supporting plate facing the upper cutting knife. The interval between the upper cutting knife and the lower cutting knife forms the material belt passage.

[0007] In one embodiment, the side of the upper cutting knife and the lower cutting knife facing each other is provided with a cutting knife opening, and the two cutting knife openings are used for cutting the pole piece material belt. The two avoiding parts are respectively provided on the side of the upper supporting plate and the lower supporting plate facing each other, and the two avoiding parts are recessed on the side of the upper supporting plate and the lower supporting plate facing away from each other.

[0008] In one of the embodiments, the distance between the two avoiding parts forms an avoiding channel for avoiding the pole piece material belt, and the height of the avoiding channel is greater than the height of the material belt channel.

[0009] In one of the embodiments, the upper supporting plate and the lower supporting plate are provided with inclined parts near the avoiding channel, and the two inclined parts are respectively located on the side of the upper supporting plate and the lower supporting plate facing each other, and the two inclined parts are both inclined towards the material belt channel.

[0010] In one of the embodiments, the first driving assembly is used to drive the upper slitting assembly to move towards the pole piece material belt.

[0011] In one of the embodiments, the second driving assembly is used to drive the lower slitting assembly to move towards the pole piece material belt.

[0012] In one of the embodiments, the upper surface of the lower supporting plate is provided with a plane, and the side of the lower supporting plate facing the upper supporting plate is provided with a plane.

[0013] In one of the embodiments, the upper cutter and the lower cutter are both formed by SKD11 quenching processing, and the quenching hardness of the upper cutter and the lower cutter is 50HRC-60HRC.

[0014] In one of the embodiments, the rack is provided with a dust removal assembly for dust removal, and the dust removal assembly is arranged at the bottom end of the rack, and the dust removal assembly is used to remove the dust generated during the cutting of the pole piece material belt.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] The cutter supporting plate structure of the utility model sets avoiding parts at the positions of the upper supporting plate and the lower supporting plate entering the cutter opening relative to the pole piece material belt, and the upper supporting plate and the lower supporting plate are further provided with inclined parts, and the avoiding parts and the inclined parts of the upper supporting plate and the lower supporting plate avoid the pole piece material belt, so that the pole piece material belt can pass through and will not be stuck at the positions of the two cutter openings to cause the blocking phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments.

[0018] Figure 1 It is a side surface structure schematic view of the cutter supporting plate structure provided by the utility model;

[0019] Figure 2 It is a front surface structure schematic view of the cutter supporting plate structure provided by the utility model.

[0020] Figure descriptions: 10. Frame; 20. Upper slitting assembly; 21. Upper support plate; 22. Upper cutter; 30. Lower slitting assembly; 31. Lower support plate; 32. Lower cutter; 40. First drive assembly; 50. Second drive assembly; 60. Material belt channel; 70. Electrode material belt; 80. Clearance section; 90. Clearance channel; 100. Inclined section; 110. Feed support plate; 120. Dust removal assembly. Detailed Implementation

[0021] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be given below with reference to the accompanying drawings.

[0022] A cutter support structure, as shown in the figure Figure 1 The system includes a frame 10, an upper slitting assembly 20, a lower slitting assembly 30, a first drive assembly 40, and a second drive assembly 50. Both the upper slitting assembly 20 and the lower slitting assembly 30 are mounted on the frame 10, with the lower slitting assembly 30 located below and corresponding to the upper slitting assembly 20. The first drive assembly 40 is located at the top of the frame 10, and the upper slitting assembly 20 is located at its output end. The first drive assembly 40 controls the lifting and lowering movement of the upper slitting assembly 20. The second drive assembly 50 is located at the bottom of the frame 10, and the lower slitting assembly 30 is located at its output end. The second drive assembly 50 controls the lifting and lowering movement of the lower slitting assembly 30. It should be noted that a material strip channel 60 is formed between the upper slitting component 20 and the lower slitting component 30. The material strip channel 60 is used for the electrode material strip 70 to pass through. When the electrode material strip 70 passes through the material strip channel 60, the upper slitting component 20 and the lower slitting component 30 cut the electrode material strip 70.

[0023] Reference Figure 1 The upper slitting assembly 20 includes an upper support plate 21 and an upper cutter 22. The upper support plate 21 is detachably connected to the frame 10, and the upper cutter 22 is installed at the bottom of the upper support plate 21. The lower slitting assembly 30 includes a lower support plate 31 and a lower cutter 32. The lower support plate 31 is detachably connected to the frame 10, and the lower cutter 32 is installed on the side of the lower support plate 31 facing the upper cutter 22. The upper cutter 22 and the lower cutter 32 are arranged opposite to each other, and the gap between the upper cutter 22 and the lower cutter 32 forms a material strip channel 60. The upper cutter 22 and the lower cutter 32 cooperate to cut the electrode strip 70.

[0024] Reference Figure 1The side of the upper cutter 22 and the lower cutter 32 facing each other is provided with a cutter opening, and the two cutter openings are used to facilitate the cutting of the polar piece material belt 70. In order to avoid the polar piece material belt 70 from being blocked in the position of 0.5mm entering the cutter opening when the polar piece material belt 70 is transported towards the material belt channel 60, the upper supporting plate 21 and the lower supporting plate 31 are provided with a avoiding part 80 near the position of the polar piece material belt 70 entering the cutter opening. The two avoiding parts 80 are respectively located on the side of the upper supporting plate 21 and the lower supporting plate 31 facing each other, and the two avoiding parts 80 are recessed from the side of the upper supporting plate 21 and the lower supporting plate 31 facing each other to the side away from each other, so that the upper supporting plate 21 and the lower supporting plate 31 do not block the material after entering the two cutter openings, and the distance between the upper supporting plate 21 and the lower supporting plate 31 is increased, which facilitates the smooth entry of the polar piece material belt 70 into the upper cutter 22 and the lower cutter 32.

[0025] Referring to Figure 1 The distance between the two avoiding parts 80 forms an avoiding channel 90 for the polar piece material belt 70, and the height of the avoiding channel 90 is greater than the height of the material belt channel 60, so that the polar piece material belt 70 can pass through without being blocked at the position of the two cutter openings.

[0026] Further, referring to Figure 1 The upper supporting plate 21 and the lower supporting plate 31 are provided with an inclined part 100 near the position of the avoiding channel 90, and the two inclined parts 100 are located on the side of the upper supporting plate 21 and the lower supporting plate 31 facing each other, and the two inclined parts 100 are inclined towards the material belt channel 60, so that the side of the upper supporting plate 21 and the lower supporting plate 31 near the avoiding channel 90 is inclined towards the material belt channel 60, so as to avoid the polar piece material belt 70 from being blocked at the cutter opening of the upper cutter 22 and the lower cutter 32.

[0027] Further, referring to Figure 1 The first driving assembly 40 is used to drive the upper cutting assembly 20 to move towards the polar piece material belt 70, so as to cut the polar piece material belt 70 together with the lower cutting assembly 30. It should be noted that the first driving assembly 40 is a pneumatic cylinder, and the piston rod of the pneumatic cylinder is connected with the upper supporting plate 21 through the top end of the rack 10, so as to control the upper supporting plate 21 to drive the upper cutter 22 to move up and down.

[0028] Further, referring to Figure 1 The second driving assembly 50 is used to drive the lower cutting assembly 30 to move towards the polar piece material belt 70, so as to cut the polar piece material belt 70 together with the upper cutter 22. It should be noted that the second driving assembly 50 is a pneumatic cylinder, and the piston rod of the pneumatic cylinder is connected with the lower supporting plate 31 upwards through the bottom end of the rack 10, so as to control the lower supporting plate 31 to drive the lower cutter 32 to move up and down.

[0029] Further, referring toFigure 2 The lower supporting plate 31 in the prior art is arranged in an inclined manner, which will make the lower part of the pole piece material belt 70 suspended when the pole piece material belt 70 enters the material belt passage 60, and the insufficient supporting surface will cause the pole piece cutting size to be unstable. Therefore, the upper surface of the lower supporting plate 31 is arranged in a planar manner, and the side of the lower supporting plate 31 facing the upper supporting plate 21 is arranged in a planar manner, so as to reduce the inclination of the lower supporting plate 31 and avoid the phenomenon of the pole piece material belt 70 being suspended after the pole piece material belt 70 enters the material belt passage 60.

[0030] Further, the upper cutter 22 and the lower cutter 32 are both formed by SKD11 quenching processing, and the quenching hardness of the upper cutter 22 and the lower cutter 32 is 50HRC-60HRC.

[0031] Further, referring to Figure 1 The cutter supporting plate structure further comprises a material feeding supporting plate 110, the material feeding supporting plate 110 is located close to the material belt passage 60, and the material feeding supporting plate 110 is used for supporting the pole piece material belt 70, so as to provide guidance for the pole piece material belt 70 entering the material belt passage 60, so that the pole piece material belt 70 enters the material belt passage 60 to be cut by the upper cutter 22 and the lower cutter 32.

[0032] Further, referring to Figure 1 The rack 10 is provided with a dust removal assembly 120 for dust removal, the dust removal assembly 120 is arranged at the bottom end of the rack 10, and the dust removal assembly 120 is used for removing dust generated when the pole piece material belt 70 is cut. It should be noted that the dust removal assembly 120 is a dust removal box, one end of the dust removal box is connected with an external vacuum equipment, the other end of the dust removal box is connected with a dust suction pipe, and the opening of the dust suction pipe faces the material belt passage 60.

[0033] The utility model discloses a avoiding portion 80 is arranged at the position of the upper supporting plate 21 and the lower supporting plate 31 relative to the pole piece material belt 70 entering the cutter mouth, and the upper supporting plate 21 and the lower supporting plate 31 are further provided with inclined portions 100, and the avoiding portion 80 and the inclined portion 100 of the upper supporting plate 21 and the lower supporting plate 31 avoid the pole piece material belt 70, so that the pole piece material belt 70 passes through and does not be stuck in the position of the two cutter mouths to cause the blocking phenomenon.

[0034] The above-mentioned embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A knife holder plate structure characterized by, The utility model relates to a kind of slitting machine, including: Rack (10), upper slitting assembly (20), lower slitting assembly (30), first drive assembly (40) and second drive assembly (50), the upper slitting assembly (20) and the lower slitting assembly (30) are mounted on the rack (10), the lower slitting assembly (30) is below the upper slitting assembly (20), the first drive assembly (40) is located at the top end of the rack (10), the upper slitting assembly (20) is located at the output end of the first drive assembly (40), the second drive assembly (50) is located at the bottom end of the rack (10), the lower slitting assembly (30) is located at the output end of the second drive assembly (50), the upper slitting assembly (20) and the lower slitting assembly (30) form between the material belt passage (60), the material belt passage (60) is used for the passage of pole piece material belt (70), the upper slitting assembly (20) and the lower slitting assembly (30) are close to the feeding direction of the pole piece material belt (70) are provided with avoiding portion (80).

2. The knife shoe structure of claim 1 wherein, The upper slitting assembly (20) includes upper backing plate (21) and upper cutter (22), the upper backing plate (21) is detachably connected to the rack (10), the upper cutter (22) is installed at the bottom of the upper backing plate (21), the lower slitting assembly (30) includes lower backing plate (31) and lower cutter (32), the lower backing plate (31) is detachably connected to rack (10), the lower cutter (32) is installed on the side of the lower backing plate (31) towards the upper cutter (22), the interval between the upper cutter (22) and the lower cutter (32) forms the material belt passage (60).

3. The knife shoe structure of claim 2 wherein, The side of the upper cutter (22) and the lower cutter (32) towards each other is provided with cutter mouth, two cutter mouths are used to cut the pole piece material belt (70), two avoiding portions (80) are respectively located on the side of the upper backing plate (21) and the lower backing plate (31) towards each other, and the side of the upper backing plate (21) and the lower backing plate (31) towards each other is recessed to the side away from each other.

4. The knife shoe structure of claim 3 wherein, The interval between two avoiding portions (80) forms avoiding passage (90) for avoiding the pole piece material belt (70), and the height of the avoiding passage (90) is greater than the height of the material belt passage (60).

5. The knife shoe structure of claim 4 wherein, The upper backing plate (21) and the lower backing plate (31) are provided with inclined portion (100) close to the avoiding passage (90), two inclined portions (100) are respectively located on the side of the upper backing plate (21) and the lower backing plate (31) towards each other, and two inclined portions (100) are inclined towards the material belt passage (60) close to.

6. The knife shoe structure of claim 1 wherein, The first drive assembly (40) is used to drive the upper slitting assembly (20) to move towards the direction close to pole piece material belt (70).

7. The knife shoe structure of claim 1 wherein, The second drive assembly (50) is used to drive the lower slitting assembly (30) to move towards the direction close to pole piece material belt (70).

8. The knife shoe structure of claim 2 wherein, The upper surface of the lower supporting plate (31) is flat, and the side of the lower supporting plate (31) facing the upper supporting plate (21) is flat.

9. The knife shoe structure of claim 2 wherein, The upper cutter (22) and the lower cutter (32) are both formed by SKD11 quenching, and the quenching hardness of the upper cutter (22) and the lower cutter (32) is 50HRC-60HRC.

10. The knife shoe structure of claim 1 wherein, The rack (10) is provided with a dust removal assembly (120) for dust removal, the dust removal assembly (120) is arranged at the bottom end of the rack (10), and the dust removal assembly (120) is used for removing dust generated when the pole piece material belt (70) is cut.

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