CN211137256U

CN211137256U - Tool changing device of paper cutter

Info

Publication number: CN211137256U
Application number: CN201921587048.1U
Authority: CN
Inventors: 宋世伦
Original assignee: Tianjin Lianyin Printing Co ltd
Current assignee: Tianjin Lianyin Printing Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-07-31
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a tool changing device of trimmer, including a fixed plate and two connecting rods, the one end of two connecting rods respectively with the both sides fixed connection at the fixed plate back, the draw-in groove has all been seted up at two connecting rods dorsal part's middle parts mutually, the outside of two connecting rods all is provided with concave piece, the dorsal part mutually of two concave pieces all is provided with fixed establishment, fixed establishment comprises bolt and extension spring, be provided with two fixed blocks and a slide bar between two concave pieces, the outside interlude of slide bar is connected with the knife rest, the inside of knife rest is provided with the blade, the top of blade is provided with the square bar, the one end of square bar runs through and extends to the front of knife rest. This kind of tool changing device of trimmer uses through the cooperation of movable rod, reset spring, square hole and square pole, makes people can make it break away from the square hole through the pulling movable rod, and then makes the square pole can take off the blade to made things convenient for the blade to change, promoted the practicality.

Description

Tool changing device of paper cutter

Technical Field

The utility model relates to a tool changing device specifically is a tool changing device of trimmer.

Background

The paper cutter is a portable paper cutting tool, and the paper cutter of old-fashioned generally includes paper cutter base and slidingtype cutter body, and the edge of a knife is through special treatment, cuts sharp and durable, and the product after cutting is neat hairless, and modern paper cutter function is very improved than old-fashioned, develops kinds such as electronic paper cutter, electronic paper cutter and numerical control paper cutter.

At present, most of rolling paper cutters drive a blade to cut paper through a blade carrier sliding on a sliding rod, and the blade carrier and the blade on most of paper cutters are sleeved on the sliding rod and are difficult to replace. Therefore, the cutter changing device of the paper cutter is improved.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a tool changing device of a paper cutter, which comprises a fixed plate and two connecting rods, wherein one end of each connecting rod is respectively and fixedly connected with the two sides of the back surface of the fixed plate, the middle parts of the opposite sides of the two connecting rods are both provided with a clamping groove, the outer parts of the two connecting rods are both provided with concave blocks, the opposite sides of the two concave blocks are both provided with a fixing mechanism, the fixing mechanism consists of a bolt and an extension spring, two fixing blocks and a sliding rod are arranged between the two concave blocks, a knife rest is inserted and connected outside the sliding rod, a blade is arranged inside the knife rest, a square rod is arranged at the top of the blade, one end of the square rod penetrates through and extends to the front surface of the tool rest, one end of the square rod is provided with a square hole, the front of knife rest top is provided with latch mechanism, latch mechanism comprises movable rod and reset spring.

As a preferred technical scheme of the utility model, the bolt sets up in one side of concave piece, the one end of bolt runs through and extends to the inside of concave piece, and with the inside joint of draw-in groove.

As a preferred technical scheme of the utility model, extension spring sets up the outside at the bolt, extension spring's both ends respectively with the outside of spill piece and the tip fixed connection of bolt.

As a preferred technical scheme of the utility model, two the bottom of fixed block respectively with the top fixed connection of two concave blocks, two the middle part of fixed block opposite side alternates with the both ends of slide bar respectively and is connected.

As an optimal technical scheme of the utility model, the movable rod sets up the front on knife rest top, the bottom of movable rod and the inside joint in square hole.

As a preferred technical scheme of the utility model, reset spring sets up the outside at the movable rod, reset spring's both ends respectively with the top of movable rod and the top fixed connection of knife rest.

The utility model has the advantages that:

1. this kind of tool changing device of trimmer uses through the cooperation of movable rod, reset spring, square hole and square pole, makes people can make it break away from the square hole through the pulling movable rod, and then makes the square pole can take off the blade to made things convenient for the blade to change, promoted the practicality.

2. This kind of tool changing device of trimmer uses through the cooperation of bolt, extension spring and draw-in groove, makes people can make its and draw-in groove separation through the pulling bolt, and then makes spill piece and connecting rod separation, makes two fixed blocks can separate with the slide bar, makes the knife rest can follow the slide bar and take off, has made things convenient for people to change the knife rest of different specifications according to the user demand, has promoted the practicality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a tool changer of a paper cutter of the present invention;

FIG. 2 is a schematic view of the tool holder structure of the tool changer of the paper cutting machine of the present invention;

fig. 3 is a schematic view of a connecting rod structure of a tool changing device of the paper cutter of the utility model.

In the figure: 1. a fixing plate; 2. a connecting rod; 3. a concave block; 4. a bolt; 5. an extension spring; 6. a fixed block; 7. a slide bar; 8. a tool holder; 9. a blade; 10. a square bar; 11. a movable rod; 12. a return spring; 13. a card slot; 14. and (4) square holes.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, 2 and 3, the utility model relates to a cutter changing device of a paper cutter, which comprises a fixing plate 1 and two connecting rods 2, one end of each connecting rod 2 is respectively fixedly connected with both sides of the back of the fixing plate 1, the middle parts of the back sides of the two connecting rods 2 are both provided with a clamping groove 13, the outer parts of the two connecting rods 2 are both provided with concave blocks 3, the back sides of the two concave blocks 3 are both provided with a fixing mechanism, the fixing mechanism consists of a bolt 4 and a tension spring 5, two fixing blocks 6 and a slide bar 7 are arranged between the two concave blocks 3, the outer part of the slide bar 7 is alternately connected with a cutter frame 8, the inner part of the cutter frame 8 is provided with a blade 9, the top part of the blade 9 is provided with a square rod 10, one end of the square rod 10 penetrates and extends to the front side of the cutter frame 8, one end, the clamping mechanism consists of a movable rod 11 and a return spring 12.

Wherein, bolt 4 sets up the one side at concave piece 3, the one end of bolt 4 runs through and extends to concave piece 3's inside, and with the inside joint of draw-in groove 13, through bolt 4, extension spring 5 and draw-in groove 13's cooperation is used, make people can pass through pulling bolt 4, make it separate with draw-in groove 13, and then make concave piece 3 and connecting rod 2 separation, make two fixed blocks 6 can separate with slide bar 7, make knife rest 8 can follow slide bar 7 and take off, made things convenient for people to change the knife rest 8 of different specifications according to the user demand, and the practicality is promoted.

Wherein, extension spring 5 sets up in the outside of bolt 4, and extension spring 5's both ends respectively with the outside of spill piece 3 and the tip fixed connection of bolt 4, through extension spring 5's restoring force, make the inside that draw-in groove 13 can be inserted to the one end of bolt 4, and then fix spill piece 3 on connecting rod 2, promoted the practicality.

The bottom ends of the two fixing blocks 6 are fixedly connected with the top ends of the two concave blocks 3 respectively, the middle parts of the opposite sides of the two fixing blocks 6 are connected with the two ends of the sliding rod 7 in an inserting mode respectively, the knife rest 8 can slide on the sliding rod 7 through the sliding rod 7, and then the blade 9 can cut paper on the fixing plate 1.

Wherein, the movable rod 11 sets up in the front on 8 tops of knife rest, and the bottom of movable rod 11 and the inside joint of square hole 14 are used through the cooperation of movable rod 11, reset spring 12, square hole 14 and square bar 10, make people can make it break away from square hole 14 through the pulling movable rod 11, and then make square bar 10 can take off blade 9 to made things convenient for blade 9 to change, promoted the practicality.

Wherein, reset spring 12 sets up in the outside of movable rod 11, and reset spring 12's both ends respectively with the top of movable rod 11 and the top fixed connection of knife rest 8, through reset spring 12's restoring force, make square bar 10 can insert behind the top of blade 9, movable rod 11 can insert the inside of square hole 14, fixes square bar 10 on knife rest 8, and then makes blade 9 can fix the inside at knife rest 8.

During operation, at first select suitable knife rest 8 and blade 9 according to the in service behavior, put into the inside of knife rest 8 with blade 9, upwards carry and draw movable rod 11, insert square bar 10 from the front of knife rest 8, and make the one end of square bar 10 insert the top of blade 9, loosen movable rod 11, make its inside that inserts square hole 14 under the effect of reset spring 12 restoring force, make square bar 10 fix on knife rest 8, and then make blade 9 fix on knife rest 8, pass the one end of knife rest 8 with slide bar 7, overlap the both ends at slide bar 7 respectively with one side of two fixed blocks 6, outwards pulled bolt 4, overlap two concave blocks 3 on two connecting rods 2, loosen two bolt 4, make two bolt 4 insert the inside of two draw-in grooves 13 under the effect of two extension spring 5 restoring forces, two concave blocks 3 of mechanism are fixed on two connecting rods 2.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tool changing device of a paper cutter comprises a fixing plate (1) and two connecting rods (2), and is characterized in that one ends of the two connecting rods (2) are fixedly connected with two sides of the back of the fixing plate (1) respectively, a clamping groove (13) is formed in the middle of the back side of each of the two connecting rods (2), concave blocks (3) are arranged on the outer portions of the two connecting rods (2), fixing mechanisms are arranged on the back sides of the two concave blocks (3), each fixing mechanism comprises a bolt (4) and a tension spring (5), two fixing blocks (6) and a sliding rod (7) are arranged between the two concave blocks (3), a tool rest (8) is connected to the outer portion of the sliding rod (7) in an inserting mode, a blade (9) is arranged inside the tool rest (8), and a square rod (10) is arranged at the top of the blade (9), the one end of square bar (10) runs through and extends to the front of knife rest (8), square hole (14) have been seted up to the one end of square bar (10), the front on knife rest (8) top is provided with clamping mechanism, clamping mechanism comprises movable rod (11) and reset spring (12).

2. The tool changing device of a paper cutter according to claim 1, characterized in that the plug pin (4) is arranged at one side of the concave block (3), and one end of the plug pin (4) penetrates through and extends to the inside of the concave block (3) and is clamped with the inside of the clamping groove (13).

3. The tool changer of a paper cutter according to claim 1, characterized in that the extension spring (5) is arranged outside the plug pin (4), and both ends of the extension spring (5) are fixedly connected with the outer side of the concave block (3) and the end of the plug pin (4), respectively.

4. The tool changing device of a paper cutter according to claim 1, characterized in that the bottom ends of the two fixed blocks (6) are fixedly connected with the top ends of the two concave blocks (3), respectively, and the middle parts of the opposite sides of the two fixed blocks (6) are connected with the two ends of the sliding rod (7) in an inserting manner, respectively.

5. The tool changer of a paper cutter according to claim 1, characterized in that the movable rod (11) is arranged in front of the top end of the blade holder (8), and the bottom end of the movable rod (11) is clamped with the inside of the square hole (14).

6. The blade changing device of a paper cutter according to claim 1, characterized in that the return spring (12) is arranged outside the movable rod (11), and both ends of the return spring (12) are fixedly connected with the top end of the movable rod (11) and the top end of the blade holder (8), respectively.