Cutting knife with staggered knife points

By designing a cutter with staggered blades and adopting a combined structure of a cutting blade, a transmission rod and a closing plate, the problem of the printer cutter's lack of a protective device is solved, thereby improving safety and convenience.

CN223466918UActive Publication Date: 2025-10-24FEIMA (JIANGSU) INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422959929.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-24
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Existing printer cutters lack protective devices, posing a safety hazard and potentially contaminating printed paper.

Method used

A staggered blade cutting knife is designed, which adopts a combined structure of cutting blade, transmission rod and closing plate. The transmission rod moves downward to close the cutting module when the cutting blade cuts, preventing foreign matter from entering, and transports the printing paper through the feed roller for removal.

Benefits of technology

It effectively protects the safety of users, reduces potential safety hazards during cutting, and improves the convenience of removing printing paper.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cutting knife with staggered knife points, which relates to the technical field of cutting knives and comprises a cutting module, the cutting module is arranged at the output end of a printer body, the front end of the cutting module is provided with an output groove for outputting cut printing paper, and the rear end of the cutting module is provided with a feeding groove matched with an output port of the printer body. Two first sliding grooves are formed in the portions, in the cutting module, of the two sides of the feeding groove, the interiors of the first sliding grooves are slidably connected with cutting blades used for cutting printing paper, a plurality of cutting knife edges are formed in the surfaces of the cutting blades, and a power device for driving the cutting blades to cut the printing paper is arranged on the side faces of the cutting blades; when the cutting blade moves upwards, the transmission rod is driven to move, when the cutting blade conducts cutting, the transmission rod moves downwards along with the cutting blade to seal the cutting module, the effect of protecting a user when printing paper is cut is achieved, after the printing paper is cut, the cutting blade slides into the first sliding groove, and potential safety hazards are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a printer cutting knife technical field, concretely is a cutting knife of staggered blade. BACKGROUND

[0002] The printer cutting knife is the cutting accessory of the printer, and the cutting knife is used for cutting the printed paper to the required size, the printer cutting knife is usually installed in the output part of the printer, and the printer cutting knife can be adjusted according to the type and thickness of the printing material, and the cutting quality can be ensured by selecting the appropriate cutting knife and adjusting the cutting parameters.

[0003] For example, the patent file with the announcement number CN219600731U records a kind of novel portable bar code printer, by setting the cutting assembly for cutting bar code paper to the front end of bar code printer, bar code paper is clamped and fixed by support plate and pressing plate, then, by cutting knife back and forth sliding cutting, to facilitate bar code printer to carry out automatic cutting after printing bar code paper, this novel portable bar code printer cutting assembly does not have protection device, security risk is big, possibly cause harm to user, possibly pollute printing paper when cutting.

[0004] Based on this, a cutting knife with staggered blade is now provided, which can eliminate the drawbacks of existing devices. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a cutting knife with staggered blade to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A cutting knife with staggered blade, comprising a cutting module, the cutting module is arranged at the output end of the printer body, the front end of the cutting module is provided with an output slot for outputting the printed paper after cutting, the rear end of the cutting module is provided with a feeding slot matched with the output port of the printer body, two No. 1 sliding grooves are arranged inside the cutting module on both sides of the feeding slot, a cutting blade for cutting the printed paper is slidably connected inside the No. 1 sliding groove, a plurality of cutting edges are arranged on the surface of the cutting blade, a power device is arranged on the side surface of the cutting blade to drive the cutting blade to cut the printed paper, a guide assembly is arranged inside the printer body to guide the movement of the printed paper after cutting, and the cutting blade is fixedly connected to a linkage element for closing the output slot of the cutting module during cutting.

[0008] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:

[0009] In an optional scheme, the power device comprises a transmission block, the transmission block is fixedly connected to the side of the cutting blade, the surface of the transmission block is fixedly connected with a rack, a gear is arranged between the two racks, the gear is engaged with the racks, the gear is fixedly connected with the output end of a rotating motor, and the fixed end of the rotating motor is fixedly connected with the inner wall of the cutting module.

[0010] In an optional scheme, the guiding assembly comprises a feeding block, the feeding block is arranged in the cutting module, an inclined surface for guiding the movement of the printing paper is arranged on the feeding block, and a plurality of feeding rollers for driving the movement of the printing paper are arranged on the upper end of the feeding block.

[0011] In an optional scheme, the linkage element comprises a transmission rod, one end of the transmission rod is fixedly connected to the surface of the cutting blade, the transmission rod is slidingly connected with a second sliding groove in the middle, the second sliding groove is fixedly connected with the inner wall of the cutting module, and the other end of the transmission rod is fixedly connected with a sealing block for preventing foreign matters from entering the cutting module during cutting of the first sliding groove.

[0012] In an optional scheme, the sealing block comprises a sealing plate, and the sealing plate is fixedly connected with the transmission rod.

[0013] In an optional scheme, a lubricating oil groove is arranged in the first sliding groove.

[0014] In an optional scheme, a buffer pad is arranged on the surface of the sealing plate.

[0015] In an optional scheme, anti-skid lines are arranged on the surface of the feeding roller.

[0016] Compared with the prior art, the utility model has the advantages as follows:

[0017] 1. When the cutting blade moves upward, the transmission rod is driven to move, when the cutting blade cuts, the transmission rod moves downward along with the cutting blade to seal the cutting module, the user is protected during cutting of the printing paper, after the cutting of the printing paper is completed, the cutting blade slides into the first sliding groove, and the safety hazard is reduced.

[0018] 2. When the cutting of the printing paper is completed, the printing paper is transported by the feeding roller, the printing paper is transported to the conveying groove of the cutting module through the feeding block, and the user can conveniently take out the printing paper. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model.

[0020] Figure 2 It is a structural schematic view of the feeding block of the utility model.

[0021] Figure 3The utility model discloses a cutting blade structure schematic view.

[0022] Figure 4 The utility model discloses a no. 2 sliding groove structure schematic view.

[0023] Figure 5 The utility model discloses a no. 1 sliding groove structure schematic view.

[0024] Figure mark annotation: 101. printer body, 102. cutting module, 103. no. 1 sliding groove, 104. cutting blade, 201. transmission block, 202. rack, 203. gear, 204. rotation motor, 205. transmission rod, 206. no. 2 sliding groove, 207. closing plate, 301. feed block, 302. feed roller. DETAILED DESCRIPTION

[0025] In order to make the utility model purposes, technical scheme and advantages more clearly, following combining with the drawing and example, the utility model carries out further detailed explanation.

[0026] In one embodiment, as shown in Figures 1-3 A staggered blade cutting knife, comprising a cutting module 102, the cutting module 102 is arranged at the output end of the printer body 101, the front end of the cutting module 102 is provided with an output slot for outputting the cutting printed paper, the rear end of the cutting module 102 is provided with a feeding slot matched with the output port of the printer body 101, two no. 1 sliding grooves 103 are arranged at the both sides of the feeding slot in the cutting module 102, the no. 1 sliding groove 103 is slidably connected with a cutting blade 104 for cutting the printed paper, the cutting blade 104 is provided with a plurality of cutting edges, the side of the cutting blade 104 is provided with a power device for driving the cutting blade 104 to cut the printed paper, the printer body 101 is provided with a guide assembly for guiding the movement of the cutting printed paper, the cutting blade 104 is fixedly connected with a linkage element for closing the output slot of the cutting module 102 during the cutting of the cutting blade 104, the printed paper is conveyed by the printer body 101, the printed paper enters the cutting module 102 through the feeding slot at the rear end of the cutting module 102, the sliding condition is provided by the no. 1 sliding groove 103, the printed paper is cut by the two cutting blades 104, and the cutting printed paper is taken out through the output slot at the front end of the cutting module 102.

[0027] In one embodiment, as shown in Figure 2As shown, the power device includes a transmission block 201, the transmission block 201 is fixedly connected to the side of the cutting blade 104, the surface of the transmission block 201 is fixedly connected with a rack 202, a gear 203 is arranged between the two racks 202, the gear 203 is engaged with the rack 202, the gear 203 is fixedly connected with the output end of the rotating motor 204, the fixed end of the rotating motor 204 is fixedly connected with the inner wall of the cutting module 102, the rotating motor 204 drives the gear 203 to rotate, the gear 203 drives the two racks 202 to move, the rack 202 drives the transmission block 201 to move, and the transmission block 201 drives the cutting blade 104 to slide in the first sliding groove 103, thereby providing power conditions for cutting the printing paper.

[0028] In one embodiment, as shown in Figure 2 and Figure 3 As shown, the guide assembly includes a conveying block 301, the conveying block 301 is arranged inside the cutting module 102, the conveying block 301 is provided with an inclined surface for guiding the movement of the printing paper, the upper end of the conveying block 301 is provided with a plurality of conveying rollers 302 for driving the movement of the printing paper, when the printing paper is cut, the conveying rollers 302 are used to transport the printing paper, and the printing paper is moved to the conveying groove of the cutting module 102 through the conveying block 301, thereby facilitating the user to take out the printing paper.

[0029] In one embodiment, as shown in Figure 4 The linkage element includes a transmission rod 205, one end of the transmission rod 205 is fixedly connected to the surface of the cutting blade 104, the middle of the transmission rod 205 is slidingly connected with the second sliding groove 206, the second sliding groove 206 is fixedly connected with the inner wall of the cutting module 102, the other end of the transmission rod 205 is fixedly connected with a sealing block for preventing foreign matter from entering the cutting module 102 during cutting of the first sliding groove 103, when the cutting blade 104 moves upward, the transmission rod 205 moves with the cutting blade 104, when the cutting blade 104 cuts, the transmission rod 205 moves downward with the cutting blade 104, thereby providing conditions for protecting the user from foreign matter entering the cutting module 102 during cutting of the printing paper.

[0030] In one embodiment, as shown in Figure 4 and Figure 5 As shown, the sealing block includes a sealing plate 207, the sealing plate 207 is fixedly connected with the transmission rod 205, the sealing plate 207 is driven to move by the transmission rod 205, when the cutting blade 104 cuts, the sealing plate 207 seals the output groove of the cutting module 102, thereby preventing foreign matter from entering, when the cutting blade 104 finishes cutting, the sealing plate 207 moves with the cutting blade 104, thereby providing conditions for conveying the printing paper.

[0031] The above-mentioned embodiment discloses a staggered blade cutting knife, wherein the printed paper is conveyed by the printer body 101, enters the inside of the cutting module 102 through the feeding slot at the rear end of the cutting module 102, provides sliding conditions through the No. 1 sliding slot 103, cuts the printed paper through the two cutting blades 104, takes out the cut printed paper through the output slot at the front end of the cutting module 102, rotates the gear 203 through the rotating motor 204, moves the two racks 202 through the gear 203, moves the transmission block 201 through the rack 202, slides the cutting blade 104 in the No. 1 sliding slot 103 through the transmission block 201, provides power conditions for cutting the printed paper, moves the transmission rod 205 with the cutting blade 104 when the cutting blade 104 moves upward, moves downward with the cutting blade 104 when the cutting blade 104 cuts, provides conditions for protecting the user from foreign matter entering the cutting module 102 when cutting the printed paper, moves the closing plate 207 through the transmission rod 205, closes the output slot of the cutting module 102 when the cutting blade 104 cuts, prevents foreign matter from entering, moves the closing plate 207 with the cutting blade 104 when the cutting blade 104 finishes cutting, provides conditions for conveying the printed paper, conveys the printed paper through the conveying roller 302 when the printed paper finishes cutting, moves the printed paper to the conveying slot of the cutting module 102 through the conveying block 301, and facilitates the user to take out.

[0032] The above-mentioned embodiment discloses a staggered blade cutting knife, wherein the printed paper is conveyed by the printer body 101, enters the inside of the cutting module 102 through the feeding slot at the rear end of the cutting module 102, provides sliding conditions through the No. 1 sliding slot 103, cuts the printed paper through the two cutting blades 104, takes out the cut printed paper through the output slot at the front end of the cutting module 102, rotates the gear 203 through the rotating motor 204, moves the two racks 202 through the gear 203, moves the transmission block 201 through the rack 202, slides the cutting blade 104 in the No. 1 sliding slot 103 through the transmission block 201, provides power conditions for cutting the printed paper, moves the transmission rod 205 with the cutting blade 104 when the cutting blade 104 moves upward, moves downward with the cutting blade 104 when the cutting blade 104 cuts, provides conditions for protecting the user from foreign matter entering the cutting module 102 when cutting the printed paper, moves the closing plate 207 through the transmission rod 205, closes the output slot of the cutting module 102 when the cutting blade 104 cuts, prevents foreign matter from entering, moves the closing plate 207 with the cutting blade 104 when the cutting blade 104 finishes cutting, provides conditions for conveying the printed paper, conveys the printed paper through the conveying roller 302 when the printed paper finishes cutting, moves the printed paper to the conveying slot of the cutting module 102 through the conveying block 301, and facilitates the user to take out.

Claims

1. A cutting knife with staggered blades, comprising a cutting module (102), wherein the cutting module (102) is arranged at the output end of a printer body (101), an output slot for outputting cut printing paper is provided at the front end of the cutting module (102), a feeding slot adapted to the output port of the printer body (101) is provided at the rear end of the cutting module (102), two No. 1 sliding slots (103) are provided on both sides of the feeding slot inside the cutting module (102), a cutting blade (104) for cutting printing paper is slidably connected inside the No. 1 sliding slot (103), and a surface of the cutting blade (104) is provided with a plurality of cutting edges, characterized in that: The cutting blade (104) side is provided with power device driving cutting blade (104) cutting printing paper, the printer body (101) is provided with guide assembly guiding the movement of the cutting printing paper, the cutting blade (104) is fixedly connected to the linkage element that closes the output slot of the cutting module (102) when cutting.

2. A staggered-blade cutting knife as defined in claim 1, wherein, The power device includes a transmission block (201), the transmission block (201) is fixedly connected to the side of the cutting blade (104), the surface of the transmission block (201) is fixedly connected with a rack (202), a gear (203) is arranged between the two racks (202), the gear (203) is engaged with the rack (202), the gear (203) is fixedly connected with the output end of the rotating motor (204), and the fixed end of the rotating motor (204) is fixedly connected with the inner wall of the cutting module (102).

3. The staggered-blade cutting knife of claim 1, wherein, The guide assembly includes a conveying block (301), the conveying block (301) is arranged in the cutting module (102), the conveying block (301) is provided with an inclined surface for guiding the movement of the printing paper, and the upper end of the conveying block (301) is provided with a plurality of conveying rollers (302) for driving the movement of the printing paper.

4. The staggered-blade cutting knife of claim 1, wherein, The linkage element includes a transmission rod (205), one end of the transmission rod (205) is fixedly connected to the surface of the cutting blade (104), the middle of the transmission rod (205) is slidingly connected with a second sliding groove (206), the second sliding groove (206) is fixedly connected with the inner wall of the cutting module (102), and the other end of the transmission rod (205) is fixedly connected with a blocking block for preventing foreign matters from entering the cutting module (102) when the first sliding groove (103) is cut.

5. A staggered-blade cutting knife as defined in claim 4, wherein, The blocking block includes a blocking plate (207), and the blocking plate (207) is fixedly connected with the transmission rod (205).

6. The staggered-blade cutting knife of claim 1, wherein, The first sliding groove (103) is provided with a lubricating oil groove.

7. The staggered-blade cutting knife of claim 5, wherein, The surface of the blocking plate (207) is provided with a buffer pad.

8. The staggered-blade cutting knife of claim 3, wherein, The surface of the conveying roller (302) is provided with anti-skid lines.

Citation Information

Patent Citations

  • Novel portable barcode printer

    CN219600731U