Fillet cutter structure convenient to replace

Abstract

The utility model relates to the technical field of round corner cutting machines, and discloses a round corner cutter structure convenient to replace, which comprises a fixed seat and a cutter part, and further comprises a U-shaped part clamped and matched with the fixed seat, the U-shaped part is connected with a positioning component for limiting the cutter part, two sides of the U-shaped part are connected with clamping mechanisms, and the U-shaped part is connected with the positioning component. The clamping mechanism comprises a movable plate elastically connected with the U-shaped piece, a wedge-shaped block is fixedly connected to one side of the movable plate, a clamping sleeve is matched with one side of the wedge-shaped block in a clamped mode, and the clamping sleeve is fixed to the fixing base. According to the fillet cutter structure convenient to replace, the clamping sleeve and the connecting plate are matched and fixed to the fixing base, when the U-shaped piece is connected with the fixing base in a clamped mode, the wedge-shaped block is connected with the clamping base in a clamped mode, meanwhile, the positioning assembly is driven to limit the cutter piece, rapid replacement of the cutter piece is achieved, an existing structure does not need to be transformed, and practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fillet cutting machine technical field especially, it relates to a convenient to replace's fillet cutting tool structure. BACKGROUND

[0002] Fillet cutting machine is used for cutting various books, envelopes, trademarks, notebooks and other paper products, and is a kind of mechanical equipment for cutting the fillet of paper, leather, PVC, hang tag, playing card, notebook and other soft material products in printing and packaging industry.

[0003] At present, the cutting tool and the fixed seat of the manual fillet cutting machine are mainly fixed by bolt connection mode, when facing the cutting tool with different radian needs to be replaced, its disassembly and installation are more cumbersome, the patent literature with the prior art publication No.CN213320544U provides a kind of automatic fillet cutting machine cutter mould for cutting fillet, the device is provided with dismounting device in the middle of sliding plate interior, when dismounting, knob is rotated to drive rotating plate to rotate synchronously, under the rotation of rotating plate, guide rod can be pulled, and moving plate connected with one side of guide rod rotates synchronously, the insertion fixation with fixed block is released, so that quick dismounting activity is realized, so that the advantages of quick dismounting cutter mould main body are achieved.

[0004] Although the device realizes quick dismounting, it needs to produce cutter mould matched with dismounting device or process existing cutter mould, the former is difficult to quickly popularize, the latter increases use cost, and practicality is lower, therefore, there is an urgent need for a kind of convenient to replace's fillet cutting tool structure to solve the above problems. INVENTION CONTENTS

[0005] In view of the above-mentioned problems that existing cutter mould needs to be reproduced and matched with dismounting device or existing cutter mould needs to be processed and reformed, the former is difficult to quickly popularize, and the latter increases use cost, the utility model is proposed.

[0006] Therefore, the utility model aims at providing a kind of convenient to replace's fillet cutting tool structure, which aims at: solving the problems that existing cutter mould needs to be reproduced and matched with dismounting device or existing cutter mould needs to be processed and reformed, the former is difficult to quickly popularize, and the latter increases use cost.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a kind of convenient to replace's fillet cutting tool structure, including fixed seat and cutting tool piece, further including the U-shaped piece of the fixed seat card joint cooperation, the U-shaped piece is connected with the positioning assembly for cutting tool piece limit, and the U-shaped piece both sides are connected with the card joint mechanism;

[0008] The card joint mechanism includes the movable plate elastically connected with the U-shaped piece, the movable plate one side is fixedly connected with the wedge-shaped block, the wedge-shaped block one side is card jointed with the sleeve, and the sleeve is fixed on the fixed seat.

[0009] As a preferred solution of the rounded corner cutter structure that is easy to replace as described in the utility model, the positioning assembly includes a positioning rod fixedly connected to the U-shaped part, and a positioning block elastically connected to the U-shaped part, the positioning rod is plugged into the positioning hole of the fixed seat and the cutter part, and the positioning block is in abutment with the cutter part.

[0010] As an optimal solution of the rounded corner cutter structure that is easy to replace described in the utility model, there are multiple fixed rods slidably connected to the movable plate, one end of the fixed rod is connected and fixed to the U-shaped part, and one end of the fixed rod is elastically connected to the movable plate through a spring.

[0011] As a preferred solution of the easily replaceable rounded corner cutter structure of the present invention, a connecting plate is provided on one side of the clamping sleeve, and the connecting plate and the clamping sleeve are fixed by bolts.

[0012] As a preferred solution of the rounded corner cutter structure that is easy to replace as described in the utility model, a positioning mechanism is provided on one side of the U-shaped part, and the positioning mechanism includes a rotating rod rotatably connected to the U-shaped part, and a spring 2 is elastically connected between the rotating rod and the positioning block, and a plurality of arc strips are fixed on the rotating rod, and an arc groove adapted to the arc strip is opened on the positioning block.

[0013] As an optimal solution of the rounded corner cutter structure that is easy to replace as described in the utility model, one end of the rotating rod is fixedly connected to a driving block, both sides of the driving block are symmetrically in sliding contact with the limiting rod, the limiting rod is slidably connected to the U-shaped part, and one end of the limiting rod is in abutment with the movable plate.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model is fixed to the fixed seat through the combination of the clamping sleeve and the connecting plate. When the U-shaped piece is clamped with the fixed seat, the wedge block is clamped with the clamping seat, and at the same time, the positioning component is driven to limit the cutting piece, which not only realizes the rapid replacement of the cutting piece, but also does not require the modification of the existing structure, and has good practicality.

[0016] 2. In the present invention, when the rotating rod rotates, the arc bar rotates into the arc groove, thereby limiting the positioning block and improving the limiting stability of the cutting blade. At the same time, the driving block drives the limiting rod to abut against the movable plate, thereby improving the connection stability between the wedge block and the ferrule. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings. Among them:

[0018] Figure 1 The overall structure diagram of the round corner cutter structure convenient to replace of the present application.

[0019] Figure 2 The U-shaped piece and movable plate structure diagram of the round corner cutter structure convenient to replace of the present application.

[0020] Figure 3 The fixed seat and cutter piece structure disassembly diagram of the round corner cutter structure convenient to replace of the present application.

[0021] Figure 4 The positioning block and rotating rod structure disassembly diagram of the round corner cutter structure convenient to replace of the present application.

[0022] Explanation of reference signs:

[0023] 1, fixed seat; 2, cutter piece; 3, U-shaped piece; 4, positioning assembly; 401, positioning rod; 402, positioning block; 403, spring two; 404, arc-shaped groove; 5, clamping mechanism; 501, movable plate; 502, wedge-shaped block; 503, fixed rod; 504, spring one; 505, clamping sleeve; 506, connecting plate; 6, positioning mechanism; 601, rotating rod; 602, arc-shaped strip; 603, driving block; 604, limiting rod. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0025] Embodiment 1

[0026] Reference Figures 1-3 The present application provides a round corner cutter structure convenient to replace, which comprises a fixed seat 1 and a cutter piece 2, further comprises a U-shaped piece 3 clamped and matched with the fixed seat 1, a positioning assembly 4 for limiting the cutter piece 2 is connected to the U-shaped piece 3, and clamping mechanisms 5 are connected to both sides of the U-shaped piece 3;

[0027] The clamping mechanism 5 comprises a movable plate 501 elastically connected with the U-shaped piece 3, one side of the movable plate 501 is fixedly connected with a wedge-shaped block 502, one side of the wedge-shaped block 502 is clamped and matched with a clamping sleeve 505, and the clamping sleeve 505 is fixed on the fixed seat 1.

[0028] In the above technical scheme, the clamping sleeve 505 is fixed on the fixed seat 1 in a movable connection mode, when the U-shaped piece 3 moves towards the protruding part of the fixed seat 1, the positioning assembly 4 is first driven to limit the cutter piece 2, so that the cutter piece 2 is fixed on the fixed seat 1, and then the wedge-shaped block 502 is slid into the clamping sleeve 505, so that the U-shaped piece 3 is connected and fixed with the fixed seat 1, thereby realizing quick fixing of the cutter piece 2, when the two movable plates 501 are pressed, the wedge-shaped block 502 can be taken out from the clamping sleeve 505, and the U-shaped piece 3 can be separated from the fixed seat 1, thereby facilitating disassembly of the cutter piece 2.

[0029] The positioning assembly 4 comprises a positioning rod 401 fixedly connected with the U-shaped piece 3 and a positioning block 402 elastically connected with the U-shaped piece 3, the positioning rod 401 is inserted and matched with the fixed seat 1 and the positioning hole of the cutter piece 2, and the positioning block 402 is abutted and matched with the cutter piece 2.

[0030] In the above technical scheme, when the U-shaped piece 3 is clamped with the fixed seat 1, the positioning rod 401 first penetrates through the cutter piece 2 and is inserted with the fixed seat 1, and the positioning block 402 is abutted with the inner groove of the cutter piece 2, so that the cutter piece 2 is fixed on the fixed seat 1.

[0031] It can be understood that, referring to Figure 3 , the fixed seat 1 is provided with a placing groove matched with the cutter piece 2, and the same positioning hole is formed in the fixed seat 1 and the cutter piece 2, and the diameter of the positioning rod 401 is matched with the diameter of the positioning hole.

[0032] A plurality of fixed rods 503 are slidably connected on the movable plate 501, one end of the fixed rod 503 is fixedly connected with the U-shaped piece 3, and one end of the fixed rod 503 is elastically connected with the movable plate 501 through a spring 504.

[0033] In the above technical scheme, the fixed rod 503 cooperates with the spring 504 to make the movable plate 501 move away from the U-shaped piece 3 when no external force is applied, when the U-shaped piece 3 is clamped with the fixed seat 1, the inclined surface of the wedge-shaped block 502 first contacts the clamping sleeve 505, so that the movable plate 501 moves to one side of the U-shaped piece 3, and then when the wedge-shaped block 502 is located in the same axis of the empty groove of the clamping sleeve 505, the spring 504 resets to drive the wedge-shaped block 502 to clamp with the clamping sleeve 505.

[0034] One side of the clamping sleeve 505 is provided with a connecting plate 506, and the connecting plate 506 and the clamping sleeve 505 are fixedly connected through bolts.

[0035] In the above technical scheme, the anti-skid pads are pasted on one side of the clamping sleeve 505 and the connecting plate 506 relative to the fixed seat 1, and the clamping sleeve 505 can be stably fixed on the fixed seat 1 after the clamping sleeve 505 and the connecting plate 506 are connected by the bolts.

[0036] In use, the clamping sleeve 505 and the connecting plate 506 are arranged on both sides of the fixed seat 1 and are connected and fixed by the bolts, the cutter 2 is placed in the placing groove, the U-shaped piece 3 is clamped with the fixed seat 1, the positioning rod 401 is sequentially inserted through the positioning holes of the cutter 2 and the fixed seat 1, then the positioning block 402 abuts against the cutter 2, and the wedge-shaped block 502 is clamped with the empty slot of the clamping sleeve 505 under the action of the spring one 504, so that the U-shaped piece 3 is connected and fixed with the fixed seat 1, and the positioning assembly 4 driven by the U-shaped piece 3 stably positions the cutter 2.

[0037] Embodiment 2

[0038] Reference Figure 4 For the second embodiment of the utility model, the difference between the embodiment and the first embodiment is that the U-shaped piece 3 is provided with a positioning mechanism 6, the positioning mechanism 6 comprises a rotating rod 601 rotatably connected with the U-shaped piece 3, the spring two 403 is elastically connected between the rotating rod 601 and the positioning block 402, and a plurality of arc-shaped strips 602 are fixedly arranged on the rotating rod 601, and the arc-shaped groove 404 matching the arc-shaped strips 602 is formed in the positioning block 402.

[0039] In the above technical scheme, the spring two 403 drives the end of the positioning block 402 to abut against the inner recess of the cutter 2, one end of the rotating rod 601 is inserted through the positioning block 402, the arc-shaped strips 602 are symmetrically arranged on the upper and lower sides of the rotating rod 601, the two arc-shaped grooves 404 are formed in the left and right sides of the through hole of the positioning block 402, when the rotating rod 601 is rotated by 90°, the arc-shaped strips 602 are slid into the arc-shaped grooves 404, the sliding of the positioning block 402 is limited, and the positioning block 402 is stably connected with the cutter 2.

[0040] One end of the rotating rod 601 is fixedly connected with the driving block 603, the driving block 603 symmetrically contacts the limiting rods 604 on the two sides, the limiting rods 604 are slidably connected with the U-shaped piece 3, and one end of the limiting rods 604 abuts against the movable plate 501.

[0041] In the above technical scheme, the driving block 603 is formed by connecting two identical semicircular plates in a staggered manner, the axis of the rotating rod 601 coincides with the center of the driving block 603, when the rotating rod 601 is rotated, the outer arc surface of the driving block 603 drives the two limiting rods 604 to move away from each other until the limiting rods 604 abut against the movable plate 501, the movement of the movable plate 501 is prevented, and the connection stability of the wedge-shaped block 502 and the clamping sleeve 505 is improved.

[0042] The rest of the structure is the same as that of Example 1.

[0043] It should be noted that the above examples are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A rounded corner cutter structure that is easy to replace, comprising a fixing seat (1) and a cutter member (2), characterized in that: It also includes a U-shaped piece (3) that is engaged with the fixing seat (1), a positioning assembly (4) for limiting the position of the cutting blade (2) is connected to the U-shaped piece (3), and a clamping mechanism (5) is connected to both sides of the U-shaped piece (3); The clamping mechanism (5) comprises a movable plate (501) elastically connected to the U-shaped member (3); a wedge-shaped block (502) is fixedly connected to one side of the movable plate (501); a clamping sleeve (505) is clamped and matched to one side of the wedge-shaped block (502); and the clamping sleeve (505) is fixed to the fixed seat (1).

2. The easily replaceable rounded corner cutter structure according to claim 1, characterized in that: The positioning assembly (4) comprises a positioning rod (401) fixedly connected to the U-shaped member (3), and a positioning block (402) elastically connected to the U-shaped member (3); the positioning rod (401) is plug-fitted into the positioning holes of the fixing seat (1) and the cutting member (2); and the positioning block (402) is in abutment with the cutting member (2).

3. The easily replaceable rounded corner cutter structure according to claim 1, characterized in that: A plurality of fixing rods (503) are slidably connected to the movable plate (501), one end of the fixing rod (503) is fixedly connected to the U-shaped member (3), and one end of the fixing rod (503) is elastically connected to the movable plate (501) via a spring (504).

4. The easily replaceable rounded corner cutter structure according to claim 1, characterized in that: A connecting plate (506) is provided on one side of the ferrule (505), and the connecting plate (506) and the ferrule (505) are fixed by bolt connection.

5. The easily replaceable rounded corner cutter structure according to claim 2, characterized in that: A positioning mechanism (6) is provided on one side of the U-shaped member (3), and the positioning mechanism (6) comprises a rotating rod (601) rotatably connected to the U-shaped member (3), a second spring (403) is elastically connected between the rotating rod (601) and the positioning block (402), and a plurality of arc-shaped strips (602) are fixedly provided on the rotating rod (601), and an arc-shaped groove (404) adapted to the arc-shaped strips (602) is provided on the positioning block (402).

6. The easily replaceable rounded corner cutter structure according to claim 5, characterized in that: One end of the rotating rod (601) is fixedly connected to a driving block (603), and both symmetrical sides of the driving block (603) are in sliding contact with a limiting rod (604). The limiting rod (604) is slidably connected to the U-shaped member (3), and one end of the limiting rod (604) is in abutment with the movable plate (501).

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