Slitting knife fixing device and rolled copper foil soft state slitting device

Abstract

The utility model discloses a slitting knife fixing device, and relates to the technical field of rolled copper foil production, the slitting knife fixing device comprises a fixing sleeve body and a fixing structure, the fixing structure comprises a knife ring, an elastic element and a limiting piece, the fixing sleeve body is used for being sleeved on a knife shaft, a fixing part is arranged on the outer wall of the fixing sleeve body, the knife ring is sleeved on the outer wall of the fixing sleeve body, and the elastic element is arranged on the limiting piece. A clamping space is formed between the cutter ring and the fixing part and is used for clamping the slitting cutter; wherein the limiting piece is arranged on the outer wall of the fixing sleeve body in a sleeving mode and located at the end, away from the fixing part, of the cutter ring, the cutter ring abuts against the limiting piece, and the elastic element is used for being arranged between the slitting cutter and the cutter ring. The utility model further discloses a rolled copper foil soft state slitting device which comprises the slitting knife and the slitting knife fixing device. According to the rolled copper foil slitting device, rolled copper foil soft materials can be slit, defect damage to rolled copper foil is avoided, the quality and the yield of rolled copper foil products are improved, and the reject ratio of the products is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of rolled copper foil production, in particular to a slitting knife fixing device and a soft-state slitting device for rolled copper foil. Background Art

[0002] Rolled copper foil is an irreplaceable core basic material for high-end electronic information products in the electronic information industry. It is extremely difficult to process. With the continuous development of science and technology and the leap-forward updates in the field of informatization, the requirements for electronic information materials have become more stringent. Many technical problems must be solved in the production process to enable mass production.

[0003] However, the slitting blade of the traditional rolled copper foil slitting device is usually directly fixed on the blade shaft. When the soft rolled copper foil is slitting, defects will be caused on the edge of the product, affecting the product quality of the rolled copper foil.

[0004] Therefore, a soft-state slitting device for rolled copper foil is provided to solve the above-mentioned problems existing in the prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a slitting knife fixing device and a soft-state slitting device for rolled copper foil to solve the problems existing in the above-mentioned prior art. It can slit the soft-state material of rolled copper foil and avoid defects and damage to the rolled copper foil, thereby improving the quality and yield of rolled copper foil products and reducing the product defect rate.

[0006] To achieve the above purpose, the present invention provides the following solutions:

[0007] The utility model provides a slitting knife fixing device, comprising a fixing sleeve and a fixing structure, the fixing structure comprising a knife ring, an elastic element and a limiting piece, the fixing sleeve being used to be sleeved on the knife shaft, and a fixing portion is provided on the outer wall of the fixing sleeve, the knife ring is sleeved on the outer wall of the fixing sleeve, and a clamping space is formed between the knife ring and the fixing portion for clamping the slitting knife; wherein the limiting piece is sleeved on the outer wall of the fixing sleeve and is located at an end of the knife ring away from the fixing portion, the knife ring abuts against the limiting piece, and the elastic element is used to be provided between the slitting knife and the knife ring.

[0008] Preferably, the fixed sleeve body includes a knife shaft sleeve and a knife sleeve, the knife shaft sleeve is used to be sleeved on the knife shaft, and the knife sleeve is sleeved on the outer wall of the knife shaft sleeve; wherein the fixing part is arranged on the outer wall of the knife sleeve, and the knife ring and the limiting part are both sleeved on the outer wall of the knife sleeve.

[0009] Preferably, an external thread is provided on the outer wall of the knife shaft sleeve, and an internal thread is correspondingly provided on the inner wall of the knife sleeve, and the knife sleeve is threadedly connected to the knife shaft sleeve.

[0010] Preferably, a locking threaded hole is provided on the fixing portion along the radial direction of the tool sleeve, and a locking groove is provided on the outer wall of the tool shaft sleeve along the circumferential direction. A locking screw is provided in the locking threaded hole, and the locking screw can pass through the locking threaded hole and extend into the locking groove to achieve locking of the tool sleeve and the tool shaft sleeve.

[0011] Preferably, the fixing portion is an annular protrusion, and a plurality of locking threaded holes are evenly distributed on the fixing portion along the circumference of the tool sleeve.

[0012] Preferably, the elastic element is a spring coil.

[0013] Preferably, a bevel is provided on the top of one side of the knife ring close to the spring ring, and the bevel is inclined from bottom to top in a direction away from the spring ring, and the spring ring is used to be arranged between the slitting knife and the bevel.

[0014] Preferably, the limiting member is a spring clip, and a mounting groove is provided on the outer wall of the fixing sleeve along the circumferential direction, and the spring clip is arranged in the mounting groove.

[0015] Preferably, two groups of the fixing parts and the fixing structures are symmetrically arranged on the outer wall of the fixing sleeve for fixing the two slitting knives.

[0016] The utility model also provides a soft-state slitting device for rolled copper foil, comprising a slitting knife and the slitting knife fixing device as described above.

[0017] Compared with the prior art, the utility model has achieved the following technical effects:

[0018] In the present invention, a fixing portion is provided on the outer wall of the fixed sleeve, a knife ring is sleeved on the outer wall of the fixed sleeve, and a clamping space is formed between the knife ring and the fixing portion for clamping the slitting knife; a limiting member is sleeved on the outer wall of the fixed sleeve and is located at the end of the knife ring away from the fixing portion, the knife ring abuts against the limiting member, and an elastic element is provided between the slitting knife and the knife ring. When the slitting knife fixing device in the present invention fixes the slitting knife, an elastic element is provided between the slitting knife and the knife ring, realizing flexible fixation of the slitting knife, thereby avoiding damage to the slitting copper foil when slitting the soft material of the calendered copper foil, improving the quality and yield rate of the calendered copper foil product, and reducing the product defect rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is a working diagram of the soft-state slitting device for rolled copper foil in an embodiment of the present utility model;

[0021] Figure 2 This is a schematic structural diagram of the knife sheath in an embodiment of the present utility model;

[0022] Figure 3 This is a partial schematic diagram of the knife shaft sleeve in the embodiment of the utility model;

[0023] Figure 4 This is a partial schematic diagram of the knife ring in the embodiment of the utility model;

[0024] Figure 5 This is a schematic structural diagram of a spring coil in an embodiment of the present utility model;

[0025] Figure 6 It is a structural schematic diagram of the spring clip in the embodiment of the present utility model.

[0026] In the figure: 100-knife shaft, 1-knife shaft sleeve, 2-knife sleeve, 3-locking groove, 4-locking threaded hole, 5-knife ring, 6-spring ring, 7-spring clip, 8-slitting knife, 9-internal thread, 10-locking screw, 11-mounting slot, 12-external thread. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] The purpose of the utility model is to provide a slitting knife fixing device and a soft-state slitting device for rolled copper foil to solve the problems existing in the above-mentioned prior art. It can slit the soft-state material of rolled copper foil and avoid defects and damage to the rolled copper foil, thereby improving the quality and yield of rolled copper foil products and reducing the product defect rate.

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0030] Example 1

[0031] like Figures 1-6 As shown, this embodiment provides a slitting knife fixing device, which mainly includes a fixed sleeve and a fixed structure, and the fixed structure includes a knife ring 5, an elastic element and a limit piece. The fixed sleeve is used to be sleeved on the knife shaft 100, and a fixing portion is provided on the outer wall of the fixed sleeve. The knife ring 5 is sleeved on the outer wall of the fixed sleeve, and a clamping space is formed between the knife ring 5 and the fixed portion for clamping the slitting knife 8; wherein the limit piece is sleeved on the outer wall of the fixed sleeve and is located at the end of the knife ring 5 away from the fixed portion, the knife ring 5 abuts against the limit piece, and the elastic element is used to be provided between the slitting knife 8 and the knife ring 5.

[0032] In this embodiment, when the slitting knife fixing device fixes the slitting knife 8, an elastic element is provided between the slitting knife 8 and the knife ring 5 to achieve flexible fixation of the slitting knife 8, thereby avoiding defects and damage to the rolled copper foil when slitting the soft material of the rolled copper foil, improving the quality and yield of the rolled copper foil product, and reducing the product defect rate.

[0033] In this embodiment, if Figure 1-Figure 3 As shown, the fixed sleeve mainly includes a knife shaft sleeve 1 and a knife sleeve 2. The inner diameter size of the knife shaft sleeve 1 is consistent with the outer diameter size of the knife shaft 100, and can be sleeved on the knife shaft 100. The inner diameter size of the knife sleeve 2 is consistent with the outer diameter size of the knife shaft sleeve 1, and the knife sleeve 2 is sleeved on the outer wall of the knife shaft sleeve 1; wherein, the fixing part is arranged on the outer wall of the knife sleeve 2, and the knife ring 5 and the limiting member are both sleeved on the outer wall of the knife sleeve 2.

[0034] In this embodiment, an external thread 12 is provided on the outer wall of the tool shaft sleeve 1, and an internal thread 9 is correspondingly provided on the inner wall of the tool sleeve 2. The tool sleeve 2 is threadedly connected to the tool shaft sleeve 1, which is easy to adjust the slitting knife 8 and ensure the tool accuracy, and is easy to operate.

[0035] In this embodiment, a locking threaded hole 4 is provided on the fixing portion along the radial direction of the tool sleeve 2, and a locking groove 3 is provided on the outer wall of the tool shaft sleeve 1 along the circumferential direction. A locking screw 10 is installed in the internal thread of the locking threaded hole 4. The locking screw 10 can pass through the locking threaded hole 4 and extend into the locking groove 3 to achieve locking of the tool sleeve 2 and the tool shaft sleeve 1. When the locking screw 10 is loosened, the tool sleeve 2 and the tool shaft sleeve 1 can be rotated and moved, and the tool adjustment is convenient and the accuracy is controllable. After the tool adjustment is completed, tightening the locking screw 10 can effectively fix the adjusted slitting knife 8 to prevent it from changing. The locking screw 10 can be a hexagon socket locking screw.

[0036] In this embodiment, the fixing portion is an annular protrusion, and a plurality of locking threaded holes 4 are evenly distributed along the circumference of the tool sleeve 2 on the fixing portion, preferably four locking threaded holes 4 are evenly distributed along the circumference, and a locking screw 10 can be installed in each locking threaded hole 4 to improve the locking effect.

[0037] In this embodiment, if Figure 4-Figure 5 As shown, the elastic element is preferably a spring coil 6, and a bevel is provided on the top of one side of the knife ring 5 close to the spring coil 6, and the bevel is inclined from bottom to top in a direction away from the spring coil 6, and the spring coil 6 is used to be arranged between the slitting knife 8 and the bevel.

[0038] In this embodiment, if Figure 1 、 2 As shown in Figure 6, the limiting member is preferably a spring clip 7, and a mounting groove 11 is circumferentially provided on the outer wall of the knife shaft sleeve 1, and the spring clip 7 is sleeved in the mounting groove 11; in this embodiment, the flexible fixation of the slitting knife 8 is achieved through the cooperation of the spring ring 6, the knife ring 5 and the spring clip 7.

[0039] In this embodiment, two groups of the fixing portions and the fixing structures are symmetrically provided on the outer wall of the knife shaft sleeve 1 for fixing the two slitting knives 8 .

[0040] This embodiment also provides a soft-state slitting device for rolled copper foil, comprising a slitting knife 8 and the slitting knife fixing device as described above.

[0041] In this embodiment, when slitting the soft material of rolled copper foil, the knife shaft sleeve 1 and the knife sleeve 2 are first threaded together, and the slitting knife 8 is fixed by the spring coil 6, the knife ring 5 and the spring clamp 7 to form a stable integral structure. The integral structure is installed on the knife shaft 100 of the production equipment. At this time, the locking screw 10 is in a loose state, and the position of the slitting knife 8 is adjusted. After fine-tuning the knife, the locking screw 10 is tightened, the knife shaft 100 is locked as a whole, and the soft material slitting device of rolled copper foil is installed as a whole into the production equipment; the production equipment is operated to realize the slitting of the soft material of rolled copper foil.

[0042] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A slitting knife fixing device, characterized in that: It includes a fixed sleeve and a fixed structure, the fixed structure includes a knife ring, an elastic element and a limit piece, the fixed sleeve is used to be sleeved on the knife shaft, and a fixing part is provided on the outer wall of the fixed sleeve, the knife ring is sleeved on the outer wall of the fixed sleeve, and a clamping space is formed between the knife ring and the fixed part for clamping the slitting knife; wherein the limit piece is sleeved on the outer wall of the fixed sleeve and is located at the end of the knife ring away from the fixed part, the knife ring abuts against the limit piece, and the elastic element is used to be provided between the slitting knife and the knife ring.

2. The slitting knife fixing device according to claim 1, characterized in that: The fixed sleeve body includes a knife shaft sleeve and a knife sleeve, the knife shaft sleeve is used to be sleeved on the knife shaft, and the knife sleeve is sleeved on the outer wall of the knife shaft sleeve; wherein, the fixing part is arranged on the outer wall of the knife sleeve, and the knife ring and the limiting member are both sleeved on the outer wall of the knife sleeve.

3. The slitting knife fixing device according to claim 2, characterized in that: An external thread is provided on the outer wall of the knife shaft sleeve, and an internal thread is correspondingly provided on the inner wall of the knife sleeve, and the knife sleeve is threadedly connected to the knife shaft sleeve.

4. The slitting knife fixing device according to claim 2, characterized in that: A locking threaded hole is provided on the fixing portion along the radial direction of the tool sleeve, and a locking groove is provided on the outer wall of the tool shaft sleeve along the circumferential direction. A locking screw is provided in the locking threaded hole, and the locking screw can pass through the locking threaded hole and extend into the locking groove to achieve locking of the tool sleeve and the tool shaft sleeve.

5. The slitting knife fixing device according to claim 4, characterized in that: The fixing portion is an annular protrusion, and a plurality of locking threaded holes are evenly distributed on the fixing portion along the circumference of the tool sleeve.

6. The slitting knife fixing device according to claim 1, characterized in that: The elastic element is a spring coil.

7. The slitting knife fixing device according to claim 6, characterized in that: The top of the knife ring close to the spring ring is provided with an oblique angle, and the oblique angle is inclined from bottom to top in a direction away from the spring ring, and the spring ring is used to be arranged between the slitting knife and the oblique angle.

8. The slitting knife fixing device according to claim 1 or 2, characterized in that: The limiting member is a spring clip, and a mounting groove is provided on the outer wall of the fixing sleeve along the circumferential direction, and the spring clip is arranged in the mounting groove.

9. The slitting knife fixing device according to claim 1 or 2, characterized in that: Two groups of the fixing parts and the fixing structures are symmetrically arranged on the outer wall of the fixing sleeve, for fixing the two slitting knives.

10. A soft-state slitting device for rolled copper foil, characterized by: The invention comprises a slitting knife and a slitting knife fixing device according to any one of claims 1 to 9.

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