Pushing device externally hung on cutter

Abstract

The utility model relates to the field of printers, in particular to an externally-hung pushing device for a cutter. The cutting device comprises a cutting mechanism and a power mechanism which are detachably and fixedly connected, the cutting mechanism comprises a cutting base, a sliding groove penetrating through the inner side and the outer side is formed in the cutting base, a transmission sliding seat is arranged on the inner side of the cutting base, a cutter seat is arranged on the outer side of the cutting base, and a connecting part is arranged on the transmission sliding seat, penetrates through the sliding groove and is connected with the cutter seat. The sliding groove is arranged on the cutter holder to drive the cutter holder to slide along the sliding groove, and the cutter holder is detachably and fixedly connected with a cutter; the power mechanism comprises a power base, and a power assembly for providing reciprocating motion driving force is arranged in the power base; the power assembly is connected with the transmission sliding seat to drive the transmission sliding seat to reciprocate. The independent power mechanism has strong cutting power, and the reciprocating cutting process is adopted, so that bottomless paper can be cut off, the cutter cannot be stuck or clamped, and the cutter is arranged in an externally hung manner and is convenient to disassemble and replace.

Description

Technical Field

[0001] The utility model relates to the field of printers, in particular to a cutter external pushing device. Background Art

[0002] In order to save costs and protect the environment, now print materials without backing paper are becoming more and more popular. Existing bill printers and label printers have an automatic cutter function, but this cutter can only be applied to print materials with backing paper. When used to cut print materials without backing paper, problems such as paper not being cut off, the cutter sticking and jamming are likely to occur, and the cutter is not easy to disassemble, replace and maintain. Content of the Utility Model

[0003] In order to overcome the above problems, the utility model provides a cutter external pushing device. The technical solution adopted by the utility model to solve its technical problems is as follows:

[0004] A cutter external pushing device includes a cutting mechanism and a power mechanism which are detachably and fixedly connected; the cutting mechanism includes a cutting base, a chute penetrating the inner and outer sides is arranged on the cutting base, a transmission sliding seat is arranged inside the cutting base, a cutter seat is arranged outside the cutting base, a connecting part is arranged on the transmission sliding seat, the connecting part passes through the chute and is connected to the cutter seat to drive the cutter seat to slide along the chute, and a cutter is detachably fixed on the cutter seat; the power mechanism includes a power base, and a power component for providing a driving force for reciprocating movement is arranged inside the power base; the power component is connected to the transmission sliding seat to drive the transmission sliding seat to reciprocate.

[0005] Further, the power component includes a motor component and a helical gear. The motor component includes a motor, and a rotating worm is fixedly connected to the movable end of the motor; a rotating column is arranged on the power base, the helical gear is sleeved on the rotating column and meshes with the rotating worm, and the helical gear is connected to the transmission sliding seat.

[0006] Further, a driving rod is arranged on the top surface of the helical gear in a non-coaxial manner, and a docking groove is arranged on the bottom surface of the transmission sliding seat. The driving rod penetrates into the docking groove to drive the transmission sliding seat to reciprocate.

[0007] Further, the length of the docking groove is greater than the diameter of the driving rod to provide a buffering space for the reciprocating drive of the driving rod.

[0008] Further, a limiting pressing plate is fixedly connected to the inner side of the cutting base to limit the transmission sliding seat from separating from the inner side of the cutting base.

[0009] Further, one end of the cutter seat is hinged to the connecting part, and the other end is fixedly connected to the cutter; an elastic member is arranged between the cutter seat and the transmission sliding seat to provide a buffering force and a buffering space for the cutter during cutting.

[0010] Further, a limiting hook is provided on the transmission sliding seat, and a limiting opening is provided on the cutter seat. The limiting hook passes through the sliding groove and the limiting opening and abuts against the outer periphery of the limiting opening to limit the rotation angle of the cutter seat relative to the transmission sliding seat.

[0011] Further, the elastic member is a spring, and the spring is sleeved on the limiting hook.

[0012] The beneficial effects of the present utility model are as follows:

[0013] The device includes a cutting mechanism and a power mechanism that are detachably and fixedly connected. The cutting mechanism includes a cutting base, a sliding groove penetrating the inside and outside is provided on the cutting base, a transmission sliding seat is provided inside the cutting base, a cutter seat is provided outside the cutting base, a connecting portion is provided on the transmission sliding seat, the connecting portion passes through the sliding groove and connects the cutter seat to drive the cutter seat to slide along the sliding groove, and a cutter is detachably fixed on the cutter seat; the power mechanism includes a power base, and a power component for providing a driving force for reciprocating movement is provided inside the power base; the power component is connected to the transmission sliding seat to drive the transmission sliding seat to reciprocate. The independent power mechanism has strong cutting power. Coupled with the reciprocating cutting process, it can ensure that the paper is cut off, without sticking to the knife or jamming the knife, and the cutter is externally hung, which is convenient for disassembly and replacement. Description of the Drawings

[0014] The following further describes the present utility model in conjunction with the drawings and specific embodiments, wherein:

[0015] Figure 1 is the three-dimensional view of the device;

[0016] Figure 2 is the exploded view of the device;

[0017] Figure 3 is the exploded view of the outside of the cutting mechanism;

[0018] Figure 4 is the exploded view of the inside of the cutting mechanism;

[0019] Figure 5 is the exploded view of the power mechanism.

[0020] Reference Numerals:

[0021] 100. Cutting mechanism; 101. Cutting base; 102. Sliding groove; 103. Transmission sliding seat; 104. Cutter seat; 105. Connecting portion; 106. Docking groove; 107. Limiting pressing plate; 108. Elastic member; 109. Limiting hook; 110. Limiting opening;

[0022] 200. Power mechanism; 201. Power base; 202. Motor; 203. Rotating worm; 204. Helical gear; 205. Rotating column; 206. Driving rod. Detailed implementation mode

[0023] In order to better understand the purpose, structure and function of the present utility model, the following further describes in detail the specific embodiments of the "external cutter pushing device" of the present utility model in conjunction with the accompanying drawings.

[0024] See Figures 1 - 5 , in this embodiment, the external cutter pushing device includes a cutting mechanism 100 and a power mechanism 200 that are detachably and fixedly connected; the cutting mechanism 100 includes a cutting base 101, a through inner and outer chute 102 is arranged on the cutting base 101, a transmission sliding seat 103 is arranged inside the cutting base 101, a cutter seat 104 is arranged outside the cutting base 101, a connecting part 105 is arranged on the transmission sliding seat 103, and the connecting part 105 passes through the chute 102 and connects the cutter seat 104 to drive the cutter seat 104 to slide along the chute 102, and a cutter (not shown) is detachably fixed on the cutter seat 104; the power mechanism 200 includes a power base 201, and the power base 201 and the cutting base 101 are snap-connected to complete the detachable and fixed connection of the cutting mechanism 100 and the power mechanism 200. A power component for providing a reciprocating movement driving force is arranged inside the power base 201; the power component is connected to the transmission sliding seat 103 to drive the transmission sliding seat 103 to reciprocate, and then drive the cutter to reciprocate for cutting. This device separates and assembles the power mechanism 200 and the cutting mechanism 100. The power mechanism 200 will not affect the power due to interference between its design and the cutting mechanism 100. The power mechanism 200 drives the cutting mechanism 100 to reciprocate, and performs multiple cutting actions in a short time, which can ensure that the bottomless paper is cut off without sticking the cutter and jamming the cutter. Moreover, the external cutter design facilitates the maintenance and replacement of the cutter; the interference between the cutting mechanism 100 and the power mechanism 200 is small, and both installation and disassembly are convenient.

[0025] Further see Figure 4 and Figure 5 , in this embodiment, the power component includes a motor component and a helical gear 204. The motor component includes a motor 202, and a rotating worm 203 is fixedly connected to the movable end of the motor 202; a rotating column 205 is arranged on the power base 201, and the helical gear 204 is sleeved on the rotating column 205 and meshes with the rotating worm 203. A driving rod 206 is arranged on the top surface of the helical gear 204 coaxially, and a docking groove 106 is arranged on the bottom surface of the transmission sliding seat 103, and the driving rod 206 penetrates into the docking groove 106; after the motor 202 is powered on and started, it drives the rotating worm 203 to rotate, and the rotating worm 203 drives the meshing helical gear 204 to rotate synchronously. When the helical gear 204 rotates, it drives the driving rod 206 to make a repeated circular motion. The driving rod 206 drives the transmission sliding seat 103 to reciprocate through the docking groove 106, and then drives the cutter seat 104 to reciprocate to complete the reciprocating cutting of the cutter.

[0026] More specifically, in this embodiment, in order to prevent the problem that the driving rod 206 may be damaged due to excessive force when driving the transmission sliding seat 103 to reciprocate, the docking groove 106 is designed to be strip-shaped, and the length of the docking groove 106 is greater than the diameter of the driving rod 206. In this way, when the driving rod 206 reciprocates by changing the driving force direction in the docking groove 106, there is a buffer space in the docking groove 106, preventing the damage problem caused by the sudden change of the force direction.

[0027] Further referring to Figure 4 , in this embodiment, a limiting pressing plate 107 is fixedly connected to the inner side of the cutting base 101. The limiting pressing plate 107 is located above the transmission sliding seat 103, and there is a certain space between the two to limit the transmission sliding seat 103 from separating from the inner side of the cutting base 101.

[0028] Further referring to Figures 1 - 2 , in this embodiment, one end of the cutter seat 104 is hinged to the connecting portion 105, and the other end is fixedly connected with a cutter. An elastic member 108 is arranged between the cutter seat 104 and the transmission sliding seat 103. The elastic member 108 is preferably a spring, and the spring will tend to turn the cutter seat 104 up at a certain angle relative to the transmission sliding seat 103 along the connecting portion 105. In this way, a buffer force and a buffer space can be provided for the cutter during cutting, preventing the cutter from breaking.

[0029] Furthermore, in this embodiment, a limiting hook 109 is arranged on the transmission sliding seat 103, and a limiting opening 110 is arranged on the cutter seat 104. The limiting hook 109 passes through the sliding groove 102 and the limiting opening 110 and abuts against the outer periphery of the limiting opening 110 to limit the rotation angle of the cutter seat 104 relative to the transmission sliding seat 103, preventing the opening angle of the cutter seat 104 from being too large and affecting the cutting.

[0030] It should be noted that, in this embodiment, in order to save space, the spring is sleeved on the limiting hook 109. In some other embodiments, the spring and the limiting hook 109 can also be separately arranged, as long as their respective functions can be achieved.

[0031] It can be understood that the present utility model is described through some embodiments. Those skilled in the art know that, without departing from the spirit and scope of the present utility model, various changes or equivalent replacements can be made to these features and embodiments. Additionally, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.

[0032] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

Claims

1. A cutter external push device, characterized in that: It comprises a cutting mechanism (100) and a power mechanism (200) which are detachably fixedly connected; wherein: The cutting mechanism (100) comprises a cutting base (101), a sliding groove (102) penetrating the inner and outer sides of the cutting base (101), a transmission slide (103) being arranged on the inner side of the cutting base (101), a cutter seat (104) being arranged on the outer side of the cutting base (101), a connecting portion (105) being arranged on the transmission slide (103), the connecting portion (105) passing through the sliding groove (102) and connected to the cutter seat (104) to drive the cutter seat (104) to slide along the sliding groove (102), and a cutter being detachably fixedly connected to the cutter seat (104); The power mechanism (200) comprises a power base (201), wherein a power component for providing a reciprocating driving force is arranged in the power base (201); the power component is connected to the transmission slide (103) to drive the transmission slide (103) to reciprocate.

2. A cutter external push device according to claim 1, characterized in that: The power assembly comprises a motor assembly and a bevel gear (204), wherein the motor assembly comprises a motor (202), wherein a rotating worm (203) is fixedly connected to the movable end of the motor (202); a rotating column (205) is arranged on the power base (201), the bevel gear (204) is sleeved on the rotating column (205) and meshes with the rotating worm (203), and the bevel gear (204) is connected to the transmission slide (103).

3. A cutter external push device according to claim 2, characterized in that: A driving rod (206) is eccentrically arranged on the top surface of the bevel gear (204), and a docking groove (106) is arranged on the bottom surface of the transmission slide (103). The driving rod (206) penetrates into the docking groove (106) to drive the transmission slide (103) to move back and forth.

4. A cutter external push device according to claim 3, characterized in that: The length of the docking groove (106) is greater than the diameter of the driving rod (206) so as to provide a buffer space for the reciprocating drive of the driving rod (206).

5. The cutter external push device according to claim 1, characterized in that: A limiting pressure plate (107) is fixedly connected to the inner side of the cutting base (101) to limit the transmission slide (103) from being separated from the inner side of the cutting base (101).

6. A cutter external push device according to any one of claims 1 to 5, characterized in that: One end of the cutter seat (104) is hinged to the connecting portion (105), and the other end is fixedly connected to the cutter; an elastic member (108) is provided between the cutter seat (104) and the transmission slide seat (103) to provide a buffer force and a buffer space for the cutter when cutting.

7. A cutter external push device according to claim 6, characterized in that: A limit hook (109) is provided on the transmission slide (103), and a limit opening (110) is provided on the cutter seat (104). The limit hook (109) passes through the slide groove (102) and the limit opening (110) and abuts against the outer periphery of the limit opening (110) to limit the rotation angle of the cutter seat (104) relative to the transmission slide (103).

8. The cutter external push device according to claim 7, characterized in that: The elastic member (108) is a spring, and the spring is sleeved on the limiting hook (109).

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