CN214490817U

CN214490817U - Cutter self-grinding mechanism for paper cutter

Info

Publication number: CN214490817U
Application number: CN202120745900.4U
Authority: CN
Inventors: 赖漪澜; 陈吕忠; 石秀美
Original assignee: Zhangzhou Yuhui Color Printing Co ltd
Current assignee: Zhangzhou Yuhui Color Printing Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-10-26
Anticipated expiration: 2031-04-13

Abstract

The utility model provides a cutter autogenous grinding mechanism for paper cutter. The technical scheme is based on the existing structure of the paper cutter, and an independent cutter grinding mechanism is additionally arranged for the cutter head. Specifically, the top surface of the base platform is provided with the dovetail groove which is matched with the dovetail strip at the lower end of the portal frame, so that the portal frame can slide on the base platform in a translation way; the longitudinal threaded rod is screwed on the portal frame and can control the lifting of the bracket at the lower end of the portal frame through rotary motion; the raised heads at the two ends of the bracket are matched with the grooves at the inner side of the portal frame, and can play a role in guiding and stabilizing the lifting motion of the bracket; the support is threaded with a transverse threaded rod, and a grinding wheel at the tail end of the transverse threaded rod can be pressed to the surface of a cutting edge, so that the cutter grinding effect is realized under the autorotation motion of the cutter head. The utility model discloses need not to dismantle the blade disc and can accomplish the sharpening operation, easy and simple to handle, structure are succinct moreover, have good promotion effect to promoting production efficiency.

Description

Cutter self-grinding mechanism for paper cutter

Technical Field

The utility model relates to a paper cutter technical field, concretely relates to cutter autogenous grinding mechanism for paper cutter.

Background

The paper cutter is a traditional product and is used for processing the paper cutting requirement at the later stage of printing. The cutting system is developed from a mechanical paper cutter to a tape control type paper cutter, and is also developed to a cutting system with microcomputer program control, color display, full image operation guide visualization processing, computer-aided cutting external programming and production data editing, so that the production preparation time is shorter, the cutting precision is higher, the labor intensity is lower, and the operation is safer.

The paper cutting machine consists of a paper cutter for daily use and a paper cutter for industrial use, and has various types and different automation degrees. In the prior art, a conventional paper cutting machine mainly comprises a gantry, a workbench, a paper pushing mechanism, a paper pressing mechanism, a cutting mechanism and the like. The paper pushing mechanism is used for pushing paper to be positioned and used as a rear gauge, the paper pressing mechanism is used for pressing the positioned paper tightly, the original positioning precision is not damaged in the cutting process, the cutting mechanism is used for cutting the paper, the side baffle is used as a side stop gauge, and the workbench plays a supporting role. Wherein cut the mechanism and need select according to the nature of paper material, generally choose circular blade disc for use to the thicker or harder paper material of texture, realize the cutting under the rotation state. Because paper is thicker or harder, the cutter head needs to be sharpened after being used for a period of time, at present, the operation is very complicated, the cutter head needs to be dismounted firstly and then loaded on a grinding mechanism, and then the paper cutter is reloaded after the sharpening is finished, so that the paper cutter occupies more working hours and has low efficiency.

Disclosure of Invention

The utility model discloses aim at to prior art's technical defect, provide a cutter autogenous grinding mechanism for paper cutter to the cutter disc of solving the paper cutter can't accomplish the technical problem of sharpening operation under the loading condition.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

the cutter autogenous grinding mechanism for the paper cutter comprises a base station, a cutter head, a driving mechanism, a dovetail groove, a portal frame, a dovetail strip, a handle, a threaded hole, a longitudinal threaded rod, a handle, a bracket, a raised head, a groove, a transverse threaded rod, a hand-rotating convex disc and a grinding wheel, wherein the cutter head is positioned on the base station and driven by the driving mechanism, and the upper end of the cutter head is higher than the top surface of the base station; the top surface of the base station is provided with a dovetail groove, the lower end of the portal frame is provided with a dovetail strip, the dovetail strip is matched with the dovetail groove, the side end of the portal frame is fixedly connected with a handle, the top end of the portal frame is provided with a threaded hole, a longitudinal threaded rod is screwed on the threaded hole, the top end of the longitudinal threaded rod is fixedly connected with a handle, the lower end of the longitudinal threaded rod is rotatably connected with the support, the support is provided with a raised head, the portal frame is provided with a longitudinal groove, the raised head is embedded into the groove, the support is screwed with a transverse threaded rod, one end of the transverse threaded rod is fixedly connected with a hand-rotating convex disc, and the other end of the transverse threaded rod is fixedly connected with a grinding wheel.

Preferably, there are two dovetail grooves, and two dovetail grooves are parallel to each other, have spacing baffle at the end of dovetail groove.

Preferably, the bracket is threaded with two transverse threaded rods, the axes of the two transverse threaded rods are overlapped, and the two grinding wheels are respectively pressed on two sides of the cutting edge of the cutter head.

Preferably, the dovetail and dovetail grooves are replaced by pulleys and slide rails, respectively.

Preferably, the driving mechanism is a motor, and a main shaft of the motor is in transmission connection with the cutter head.

In the technical scheme, the base station is a component of the paper cutter and is used for playing a role in bearing a foundation; the cutter head is a cutting mechanism of the paper cutter and is a cutter grinding object of the utility model; the driving mechanism is used for driving the cutter head to rotate; the dovetail groove on the base station is matched with the dovetail strip at the lower end of the portal frame, so that the portal frame can be translated on the base station, when the sharpening is needed, the portal frame is moved to the upper part of the cutter head, and when the sharpening is not needed, the portal frame is moved to the side, so that the normal operation of the paper cutter is not influenced; the handle is convenient for manually pushing the portal frame; the threaded hole is used for connecting a longitudinal threaded rod, and the longitudinal position of the bracket can be adjusted through the rotation of the longitudinal threaded rod in the threaded hole; the handle is convenient for manually rotating the longitudinal threaded rod; the bracket is used for bearing the transverse threaded rod; the raised head at the side end of the bracket is matched with the groove at the inner side of the portal frame, thereby having guiding and limiting functions on the lifting movement of the bracket; the transverse threaded rod is used for bearing a grinding wheel, the grinding wheel can be controlled to be close to or far away from the cutter head through rotation of the transverse threaded rod on the support, when the cutter head needs to be sharpened, the support is firstly lowered, the grinding wheel is positioned on the side of the cutter head, then the transverse threaded rods on the two sides are rotated, the two grinding wheels are respectively pressed on the two ends of the cutting edge of the cutter head, and then the driving mechanism is started to rotate the cutter head, so that the cutter head is sharpened; the hand-operated convex disc is convenient for manually screwing the transverse threaded rod.

Drawings

Fig. 1 is a perspective view of the present invention when the gantry is located at the end of the base station;

FIG. 2 is a perspective view of the present invention when the gantry is located at the middle of the base;

FIG. 3 is a perspective view of the bracket, the longitudinal threaded rod, etc. of the present invention;

FIG. 4 is a perspective view of the portal frame and the handle of the present invention;

in the figure:

1. base 2, cutter head 3, drive mechanism 4, dovetail groove

5. Portal frame 6, dovetail strip 7, handle 8, threaded hole

9. Longitudinal threaded rod 10, handle 11, bracket 12 and raised head

13. Groove 14, transverse threaded rod 15, hand-operated convex disc 16 and grinding wheel.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

A cutter autogenous grinding mechanism for a paper cutter is shown in figures 1-4 and comprises a base platform 1, a cutter head 2, a driving mechanism 3, a dovetail groove 4, a portal frame 5, a dovetail strip 6, a handle 7, a threaded hole 8, a longitudinal threaded rod 9, a handle 10, a support 11, a raised head 12, a groove 13, a transverse threaded rod 14, a hand-rotating convex disc 15 and a grinding wheel 16, wherein the cutter head 2 is positioned on the base platform 1, the cutter head 2 is driven by the driving mechanism 3, and the upper end of the cutter head 2 is higher than the top surface of the base platform 1; the top surface of the base platform 1 is provided with a dovetail groove 4, the lower end of a portal frame 5 is provided with a dovetail strip 6, the dovetail strip 6 is matched with the dovetail groove 4, the side end of the portal frame 5 is fixedly connected with a handle 7, the top end of the portal frame 5 is provided with a threaded hole 8, a longitudinal threaded rod 9 is screwed on the threaded hole 8, the top end of the longitudinal threaded rod 9 is fixedly connected with a handle 10, the lower end of the longitudinal threaded rod 9 is rotatably connected with a bracket 11, the bracket 11 is provided with a raised head 12, the portal frame 5 is provided with a longitudinal groove 13, the raised head 12 is embedded into the groove 13, the bracket 11 is screwed with a transverse threaded rod 14, one end of the transverse threaded rod 14 is fixedly connected with a hand-rotating convex disc 15, and the other end of the transverse threaded rod 14 is fixedly connected with a grinding wheel 16.

The structural features of this embodiment are as follows: the base station 1 is a component part of the paper cutter and is used for playing a role of basic bearing; the cutter head 2 is a cutting mechanism of the paper cutter and is a cutter grinding object of the utility model; the driving mechanism 3 is used for driving the cutter head 2 to rotate; the dovetail groove 4 on the base platform 1 is matched with the dovetail strip 6 at the lower end of the portal frame 5, so that the portal frame 5 can be translated on the base platform 1, when the sharpening is needed, the portal frame 5 is moved to the upper side of the cutter head 2, and when the sharpening is not needed, the portal frame 5 is moved to the side, and the normal operation of the paper cutter is not influenced; the handle 7 is convenient for manually pushing the portal frame 5; the threaded hole 8 is used for connecting a longitudinal threaded rod 9, and the longitudinal position of the bracket 11 can be adjusted through the rotation of the longitudinal threaded rod 9 in the threaded hole 8; the handle 10 facilitates manual rotation of the longitudinal threaded rod 9; the bracket 11 is used for carrying a transverse threaded rod 14; a raised head 12 at the side end of the bracket 11 is matched with a groove 13 at the inner side of the portal frame 5, so that the lifting movement of the bracket 11 is guided and limited; the transverse threaded rod 14 is used for bearing a grinding wheel 16, the grinding wheel 16 can be controlled to be close to or far away from the cutter head 2 through rotation of the transverse threaded rod 14 on the support 11, when the cutter needs to be sharpened, the support 11 is firstly descended to enable the grinding wheel 16 to be located on the side of the cutter head 2, then the transverse threaded rods 14 on the two sides are rotated to enable the two grinding wheels 16 to respectively press the two ends of the cutting edge of the cutter head 2, and then the driving mechanism 3 is started to enable the cutter head 2 to rotate, so that the cutter head is sharpened; the hand-rotatable lug 15 facilitates manual screwing of the transverse threaded rod 14.

Example 2

A cutter autogenous grinding mechanism for a paper cutter is shown in figures 1-4 and comprises a base platform 1, a cutter head 2, a driving mechanism 3, a dovetail groove 4, a portal frame 5, a dovetail strip 6, a handle 7, a threaded hole 8, a longitudinal threaded rod 9, a handle 10, a support 11, a raised head 12, a groove 13, a transverse threaded rod 14, a hand-rotating convex disc 15 and a grinding wheel 16, wherein the cutter head 2 is positioned on the base platform 1, the cutter head 2 is driven by the driving mechanism 3, and the upper end of the cutter head 2 is higher than the top surface of the base platform 1; the top surface of the base platform 1 is provided with a dovetail groove 4, the lower end of a portal frame 5 is provided with a dovetail strip 6, the dovetail strip 6 is matched with the dovetail groove 4, the side end of the portal frame 5 is fixedly connected with a handle 7, the top end of the portal frame 5 is provided with a threaded hole 8, a longitudinal threaded rod 9 is screwed on the threaded hole 8, the top end of the longitudinal threaded rod 9 is fixedly connected with a handle 10, the lower end of the longitudinal threaded rod 9 is rotatably connected with a bracket 11, the bracket 11 is provided with a raised head 12, the portal frame 5 is provided with a longitudinal groove 13, the raised head 12 is embedded into the groove 13, the bracket 11 is screwed with a transverse threaded rod 14, one end of the transverse threaded rod 14 is fixedly connected with a hand-rotating convex disc 15, and the other end of the transverse threaded rod 14 is fixedly connected with a grinding wheel 16. Wherein, there are two dovetail grooves 4, and two dovetail grooves 4 are parallel to each other, have limit baffle at the end of dovetail groove 4. Two transverse threaded rods 14 are threaded on the bracket 11, the axes of the two transverse threaded rods 14 are overlapped, and two grinding wheels 16 respectively push against two sides of the cutting edge of the cutter head 2. The dovetail bar 6 and the dovetail groove 4 are replaced by a pulley and a slide rail, respectively. The driving mechanism 3 is a motor, and a main shaft of the motor is in transmission connection with the cutter head 2.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A cutter autogenous grinding mechanism for paper cutter, characterized by including base station (1), blade disc (2), the actuating mechanism (3), dovetail (4), portal frame (5), dovetail (6), grip (7), threaded hole (8), longitudinal threaded rod (9), handle (10), support (11), protruding head (12), recess (13), horizontal threaded rod (14), hand-operated protruding dish (15), emery wheel (16), wherein, blade disc (2) is located on base station (1), blade disc (2) is driven by the actuating mechanism (3), the upper end of blade disc (2) is higher than the top surface of base station (1); a dovetail groove (4) is arranged on the top surface of the base platform (1), a dovetail strip (6) is arranged at the lower end of the portal frame (5), the dovetail strip (6) is matched with the dovetail groove (4), a handle (7) is fixedly connected at the side end of the portal frame (5), a threaded hole (8) is arranged at the top end of the portal frame (5), a longitudinal threaded rod (9) is connected on the threaded hole (8), the top end of the longitudinal threaded rod (9) is fixedly connected with a handle (10), the lower end of the longitudinal threaded rod (9) is rotatably connected with a bracket (11), a convex head (12) is arranged on the bracket (11), a longitudinal groove (13) is arranged on the portal frame (5), the convex head (12) is embedded into the groove (13), a transverse threaded rod (14) is threaded on the bracket (11), one end of the transverse threaded rod (14) is fixedly connected with a hand-rotating convex disc (15), the other end of the transverse threaded rod (14) is fixedly connected with a grinding wheel (16).

2. The cutter autogenous grinding mechanism for a paper cutter as claimed in claim 1, characterized in that there are two dovetail grooves (4), the two dovetail grooves (4) being parallel to each other, and a limit stop being provided at the end of the dovetail grooves (4).

3. The cutter autogenous grinding mechanism for paper cutters as claimed in claim 1, characterized in that two transverse threaded rods (14) are threaded onto the holder (11), the axes of the two transverse threaded rods (14) coinciding with each other, and two grinding wheels (16) bearing against the respective sides of the cutting edge of the cutter head (2).

4. The cutter autogenous grinding mechanism for paper cutters according to claim 1, characterized in that a pulley and a slide rail are used instead of the dovetail bar (6) and dovetail groove (4), respectively.

5. The cutter autogenous grinding mechanism for paper cutters as claimed in claim 1, characterized in that the drive mechanism (3) is an electric motor, the spindle of which is in driving connection with the cutter head (2).