Cutter module with service life prolonging structure

By introducing annular oil conveying channels, oil supply components of eccentric holes and docking holes and Parelin coatings into the printer cutter module, the wear problem of transmission worm and worm gear is solved, and the life and stability of the cutter module are extended.

CN223148047UActive Publication Date: 2025-07-25ZHUHAI XPRINTER ELECTRONICS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521244682.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-18
Publication Date
2025-07-25
Estimated Expiration
2035-06-18

AI Technical Summary

Technical Problem

The drive worm and rotating worm gear in the existing printer cutter module have severe wear, and the lubrication is not timely and uneven, which affects the service life and working stability.

Method used

The oil supply component is adopted that combines the annular oil conveying channel, eccentric hole and docking hole, combined with the Perryn coating and metal-based composite material to achieve periodic precise lubrication of the transmission worm and worm gear, reduce wear, and reduce eccentric shaft wear through the shaft body protective sleeve.

Benefits of technology

Significantly reduce wear of transmission components, extend the service life of the cutter module, and improve the working stability and reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223148047U_ABST
    Figure CN223148047U_ABST
Patent Text Reader

Abstract

The utility model discloses a cutter module with a service life prolonging structure, which comprises a cutter module assembly, a transmission worm and a rotary worm gear are arranged in the cutter module assembly, the transmission worm and the rotary worm gear are in meshing transmission, an oil supply assembly is arranged in the cutter module assembly, an annular oil conveying channel is arranged in the rotary worm gear, and the annular oil conveying channel is communicated with the transmission worm. A connecting channel communicated with the annular oil conveying channel is arranged between every two adjacent teeth of the rotating worm gear, an eccentric hole is formed in the lower portion of the rotating worm gear, and the eccentric hole and the oil supply assembly are matched with a butt joint hole through the annular oil conveying channel, the eccentric hole and the annular oil conveying channel, so that periodic precise lubrication of the meshing position of the transmission worm and the worm gear is achieved, and dry friction is reduced. And the surface of the barrier plate is coated with a parylene coating, so that the corrosion resistance and the wear resistance are enhanced.
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Description

Technical Field

[0001] The utility model relates to the technical field of printers, in particular to a cutter module with a life-extending structure. Background Art

[0002] In the field of printer technology, the cutter module is a key component used to cut printing materials such as labels, paper, etc. However, in the existing cutter module, the wear problem caused by friction between the transmission worm and the rotating worm wheel during the long-term meshing transmission process is more prominent, which seriously affects the service life and working stability of the cutter module. At the same time, the lubrication method of the traditional cutter module is usually manual periodic lubrication, which has the problems of untimely and uneven lubrication, further aggravating the wear of components and increasing maintenance costs and equipment downtime. Therefore, how to reduce the wear of transmission components and increase the service life of the cutter module through structural innovation and material optimization is a technical problem that needs to be solved urgently in this field.

[0003] Therefore, the existing printer technology field needs to be further improved. Utility Model Content

[0004] The purpose of the utility model is to provide a cutter module with a life-extending structure, which significantly reduces the wear between the transmission worm and the rotating worm wheel by optimizing the transmission structure, improving the lubrication method and adopting wear-resistant materials, thereby extending the service life of the cutter module and improving the working stability and reliability of the equipment.

[0005] In order to achieve the above purpose, the utility model adopts the following scheme:

[0006] A cutter module with a life-extending structure comprises a cutter module assembly, a transmission worm and a rotating worm wheel are arranged in the cutter module assembly, the transmission worm and the rotating worm wheel are meshed for transmission, an oil supply assembly is arranged in the cutter module assembly, an annular oil delivery channel is arranged in the rotating worm wheel, a connecting channel connected to the annular oil delivery channel is arranged between two adjacent teeth of the rotating worm wheel, an eccentric hole is arranged below the rotating worm wheel, a blocking plate is closely arranged on the lower surface of the eccentric hole and the rotating worm wheel, a docking hole is arranged on the blocking plate, the docking hole can be intermittently aligned with the eccentric hole during the rotation of the rotating worm wheel, an oil supply pipe is arranged between the docking hole and the oil supply assembly, and a parylene coating is arranged on the surface of the blocking plate;

[0007] It also includes a metal rotating shaft, the outer wall of the metal rotating shaft is sleeved with a rotating shaft protection sleeve, and the rotating worm gear is sleeved on the rotating shaft protection sleeve.

[0008] Furthermore, the cutter module assembly comprises a lower shell and an upper shell rotatably mounted on the lower shell, and the cutter assembly is arranged in the upper shell.

[0009] Furthermore, the driving worm includes a driving motor disposed on the upper housing, and a driving worm is disposed at an output end of the driving motor.

[0010] Furthermore, the oil supply assembly includes an oil storage tank disposed on the upper housing, an elastic piston assembly is movably disposed in the oil storage tank, an oil discharge end is disposed on one side of the oil storage tank, and an oil inlet cover assembly is disposed above the oil storage tank.

[0011] Furthermore, the rotating worm gear is made of a metal matrix composite material.

[0012] Furthermore, the oil supply assembly is filled with a bio-based synthetic oil.

[0013] In summary, the beneficial effects of the present utility model relative to the prior art are as follows:

[0014] The present utility model solves the deficiencies existing in the prior art in the field of printers. Through the structural arrangement of the present utility model, the following advantages are achieved. The oil supply assembly realizes periodic and precise lubrication at the meshing part of the driving worm and the worm gear through the cooperation of the annular oil delivery channel, the eccentric hole and the docking hole, reduces dry friction, and reduces the wear rate. The surface of the baffle is coated with a parylene coating to enhance corrosion resistance and wear resistance. The shaft protection sleeve can effectively reduce the wear degree during the movement of the eccentric rotating shaft in cooperation with the straight slot, and improve the service life of the eccentric rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of the present utility model;

[0016] Figure 2 is a cross-sectional view of the oil supply assembly of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figure 1 - Figure 2The utility model provides a cutting die set with a life-extending structure, including a cutting die set component 1, a transmission worm 2 and a rotating worm wheel 3 are arranged in the cutting die set component 1, the transmission worm 2 and the rotating worm wheel 3 are meshed for transmission, an oil supply component 4 is arranged in the cutting die set component 1, an annular oil delivery channel 5 is arranged in the rotating worm wheel 3, a connecting channel 6 communicating with the annular oil delivery channel 5 is arranged between two adjacent teeth of the rotating worm wheel 3, an eccentric hole 7 is arranged below the rotating worm wheel 3, a blocking plate 8 is closely arranged on the lower surface of the eccentric hole 7, a docking hole 9 is arranged on the blocking plate 8, the docking hole 9 can be intermittently aligned with the eccentric hole 7 during the rotation of the rotating worm wheel 3, an oil supply pipe 10 is arranged between the docking hole 9 and the oil supply component 4, and a parylene coating is arranged on the surface of the blocking plate 8;

[0019] It also includes a straight slot 100 arranged on the cutter module assembly 1, the inner wall of the straight slot 100 is provided with a shaft protection sleeve 200, and the rotating worm gear 3 is provided with an eccentric shaft 300 that can be inserted into the straight slot 100.

[0020] The shaft protection sleeve 200 can effectively reduce the degree of wear of the eccentric shaft 300 in cooperation with the straight slot 100 during operation, thereby increasing the service life of the eccentric shaft 300.

[0021] The driving worm 2 and the rotating worm wheel 3 in the cutter module assembly 1 are meshed and driven, and the active motor 201 drives the active worm 202 to rotate, driving the rotating worm wheel 3 to rotate. The oil storage tank 401 of the oil supply assembly 4 is filled with bio-based synthetic oil, the elastic piston assembly 402 maintains stable oil pressure, and the lubricating oil is transported to the docking hole 9 of the blocking plate 8 through the oil supply pipe 10.

[0022] When the rotating worm wheel 3 rotates, the eccentric hole 7 below it is intermittently aligned with the docking hole 9 of the blocking plate 8:

[0023] During alignment: the lubricating oil enters the annular oil delivery channel 5 of the rotating worm gear 3 through the oil supply pipe 10, the docking hole 9, and the eccentric hole 7, and is then delivered to the meshing part through the connecting channel 6 between adjacent teeth to achieve lubrication;

[0024] When staggered: stop oil supply to avoid waste of lubricating oil.

[0025] The rotating worm wheel 3 is made of Al2O3 particle reinforced aluminum-based composite material, and the tooth surface is ion nitrided to improve wear resistance; the parylene coating on the surface of the blocking plate 8 prevents corrosion and wear; the laser micro-machined annular oil delivery channel 5 and connecting channel 6 ensure smooth flow of lubricating oil. Through the above structure, periodic precise lubrication and wear protection of the transmission system are achieved, and the life of the cutter module is extended.

[0026] The cutter module assembly 1 of the present utility model includes a lower housing 101 and an upper housing 102 rotatably mounted on the lower housing 101, and a cutter assembly 103 is disposed inside the upper housing 102.

[0027] The drive worm 2 of the present utility model includes a driving motor 201 disposed on the upper housing 102, and a driving worm 202 is disposed at the output end of the driving motor 201.

[0028] The oil supply assembly 4 of the present utility model includes an oil storage tank 401 disposed on the upper housing 102, an elastic piston assembly 402 is movably disposed inside the oil storage tank 401, an oil discharge end 403 is disposed on one side of the oil storage tank 401, and an oil inlet cover assembly 404 is disposed above the oil storage tank 401.

[0029] The rotating worm wheel 3 of the present utility model is made of a metal matrix composite material.

[0030] The oil supply assembly 4 of the present utility model is filled with a bio-based synthetic oil.

[0031] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only used to illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A cutter module with a structure for extending the service life, comprising a cutter module assembly (1), wherein a driving worm (2) and a rotating worm wheel (3) are arranged in the cutter module assembly (1), and the driving worm (2) and the rotating worm wheel (3) are in meshing transmission, characterized in that: An oil supply component (4) is arranged inside the cutting tool module assembly (1). An annular oil delivery channel (5) is arranged inside the rotating worm gear (3). A connecting channel (6) communicating with the annular oil delivery channel (5) is arranged between two adjacent teeth of the rotating worm gear (3). An eccentric hole (7) is arranged below the rotating worm gear (3). A blocking plate (8) is tightly attached to the lower surface of the rotating worm gear (3). A docking hole (9) is arranged on the blocking plate (8). During the rotation of the rotating worm gear (3), the docking hole (9) can be intermittently aligned with the eccentric hole (7). A fuel supply pipe (10) is arranged between the docking hole (9) and the oil supply component (4). A parylene coating is arranged on the surface of the blocking plate (8). It further includes a straight notch (100) arranged on the cutting tool module assembly (1). A shaft protection sleeve (200) is arranged on the inner wall of the straight notch (100). An eccentric rotating shaft (300) that can be inserted into the straight notch (100) is arranged on the rotating worm gear (3).

2. The cutter module with a structure for extending the service life according to claim 1, wherein: The cutting tool module assembly (1) includes a lower shell (101) and an upper shell (102) rotatably installed on the lower shell (101). A cutting tool component (103) is arranged inside the upper shell (102).

3. The cutting tool module with an extended lifespan structure according to claim 2, characterized in that: The driving worm (2) includes a driving motor (201) arranged on the upper shell (102). A driving worm (202) is arranged at the output end of the driving motor (201).

4. A cutter module with a structure for extending the service life according to claim 3, characterized in that: The oil supply component (4) includes an oil storage tank (401) arranged on the upper shell (102). An elastic piston assembly (402) is movably arranged inside the oil storage tank (401). An oil discharge end (403) is arranged on one side of the oil storage tank (401). An oil inlet cover assembly (404) is arranged above the oil storage tank (401).

5. The cutting tool module with a structure for extending the service life according to claim 4, characterized in that: The rotating worm gear (3) is made of a metal matrix composite material.

6. The cutter module with a structure for extending the service life according to claim 5, wherein: The oil supply component (4) is filled with a bio-based synthetic oil.