Paper cutting machine with tool changing structure

Abstract

The utility model belongs to the technical field of paper cutting machines, and particularly relates to a paper cutting machine with a tool changing structure, which comprises a tool changing frame, the top end of the tool changing frame is fixedly connected with a working frame, the outer wall of the working frame is provided with a screw rod, the outer wall of the screw rod is in threaded connection with a sliding plate, and the two ends of the sliding plate are both screwed with driving connecting rods. A sliding connecting plate slidably connected with the inner wall of the working frame is rotationally connected to one end of the driving connecting rod, driven connecting rods are rotationally connected to the two ends of the sliding connecting plate, and the sliding plate slides to drive the sliding connecting plate to transversely slide along the inner wall of the working frame through the driving connecting rod by arranging the clamping plates and the positioning columns; the sliding connecting plate drives the connecting sliding block to longitudinally slide through the driven connecting rod, the connecting sliding block slides to drive the three sets of clamping plates at the bottom end of the connecting plate to synchronously slide, then the clamping plates are embedded into positioning columns on the outer wall of the tool rest, meanwhile, the clamping plates move to be tightly attached to the outer wall of the tool rest, and rapid installation operation of the tool rest at the top end of the cutter is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the paper cutting machine technical field especially, relate to a paper cutting machine with the structure of changing sword. BACKGROUND

[0002] The paper cutting machine is a traditional product, which is used to cut paper in the late printing process. From mechanical paper cutting machine to magnetic tape control type paper cutting machine, and then to microcomputer program control, color display, full image operation guidance visualization processing and computer aided cutting external programming and editing production data cutting system, the production preparation time is shorter, the cutting precision is higher, the labor intensity is lower, and the operation is safer.

[0003] In the prior art, the utility model discloses a safe paper cutting machine of changing sword, including workbench and protection assembly, the top central of workbench is equipped with support, and the top of support is provided with hydraulic cylinder, the bottom of hydraulic cylinder is connected with mounting seat, and the bottom of mounting seat is provided with connecting seat, the inside of connecting seat is equipped with cutting knife, and the protection assembly for safe changing sword is arranged on the left and right sides of connecting seat. The safe paper cutting machine of changing sword is provided with the protection assembly, when changing sword, the protection plate on the both sides can be actuated, and the protection plate is rotated along the connecting shaft, so that the lower cutting knife outside is protected and shielded, and the magnet one can quickly position the protection plate, so that the cutting knife does not contact the hand when supporting the cutting knife to assist dismounting, the safety during use is improved, and the magnet two can attract the iron protection plate to quickly position the protection plate when working normally.

[0004] The existing paper cutting machine with the structure of changing sword needs to install the cutter holder on the lifting plate through bolts during use, and the operation is relatively cumbersome and time-consuming. In view of this, the paper cutting machine with the structure of changing sword is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a paper cutting machine with the structure of changing sword, which avoids the problems of installing the cutter holder on the lifting plate through bolts, cumbersome operation and long time consumption.

[0006] To achieve the above-mentioned purpose, the utility model provides a paper cutting machine with the structure of changing sword, which comprises:

[0007] The utility model discloses a replaceable cutting frame, the top of replaceable cutting frame is fixedly connected with working frame, the outer wall of working frame is provided with screw rod, the outer wall screw thread of screw rod is connected with sliding plate, the both ends of sliding plate are all screw jointed with initiative connecting rod, the one end of initiative connecting rod is screw jointed with sliding connecting plate of working frame inner wall sliding connection, the both ends of sliding connecting plate are all screw jointed with driven connecting rod, the one end of driven connecting rod is screw jointed with connecting sliding block of working frame inner wall sliding connection, the bottom of connecting sliding block is fixedly connected with the connecting plate of replaceable cutting frame inner wall fixed connection, the bottom of connecting plate is fixedly connected with clamping plate, the outer wall of clamping plate is embedded with positioning column, the outer wall of positioning column is fixedly connected with the tool rest of clamping plate outer wall close fitting, the bottom of tool rest is fixedly connected with cutting knife.

[0008] The paper cutting assembly is located outside the replaceable cutting frame and is used for cutting paper by the cutting knife.

[0009] Based on the above structure, the sliding plate slides through the initiative connecting rod to drive the sliding connecting plate to slide along the inner wall of the working frame in the transverse direction, the sliding connecting plate drives the connecting sliding block to slide in the longitudinal direction through the driven connecting rod, the connecting sliding block drives the three sets of clamping plates at the bottom of the connecting plate to slide synchronously, and then the clamping plates are embedded with the positioning columns on the outer wall of the tool rest, at the same time, the clamping plates are tightly combined with the outer wall of the tool rest, and the quick installation operation of the tool rest at the top of the cutting knife is realized.

[0010] Preferably, the sliding path of the sliding connecting plate is perpendicular to the sliding path of the connecting sliding block, in the embodiment, the screw rod rotates to drive the sliding plate to slide, the sliding plate slides through the initiative connecting rod to drive the sliding connecting plate to slide along the inner wall of the working frame in the transverse direction, the sliding connecting plate drives the connecting sliding block to slide in the longitudinal direction through the driven connecting rod, and the stable sliding operation of the connecting sliding block is realized.

[0011] Preferably, the clamping plate is provided with three sets, and the three sets of clamping plates are equidistantly distributed along the bottom of the connecting plate, in the embodiment, the three sets of clamping plates are arranged, which is favorable for improving the stable installation operation of the tool rest and avoiding the deviation of the tool rest.

[0012] Preferably, the tool rest forms a clamping structure with the replaceable cutting frame through the clamping plate and the positioning column, in the embodiment, the clamping plate is embedded with the positioning columns on the outer wall of the tool rest, at the same time, the clamping plate is tightly combined with the outer wall of the tool rest, and the quick installation operation of the tool rest at the top of the cutting knife is realized.

[0013] Preferably, the paper cutting assembly comprises a workbench, the lower part of the cutter is provided with a workbench, the top end of the workbench is fixedly connected with a paper cutting frame, the outer wall of the paper cutting frame is fixedly connected with a work motor, the output end of the work motor is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a rotating disc, the outer wall of the rotating disc is sleeved with a lifting guide plate which is rotationally connected with the top end of a cutter changing frame, the two ends of the cutter holder are fixedly connected with mounting clamping columns, the connecting part of the cutter changing frame and the mounting clamping columns is provided with a mounting clamping groove, in the embodiment, the worker places the mounting clamping column in the groove of the mounting clamping groove, so that the cutter holder is embedded in the inside of the cutter changing frame, the pre-positioning operation of the cutter holder is realized, then the work motor works to drive the work rotating shaft to rotate, the work rotating shaft rotates to drive the rotating disc to eccentrically rotate, the rotating disc rotates to drive the cutter at the bottom end of the cutter changing frame to vertically reciprocate through the lifting guide plate, and the stable cutting operation of the paperboard is realized.

[0014] Preferably, the rotating disc is provided with two groups, and the shape of the rotating disc is eccentric, in the embodiment, the work rotating shaft rotates to drive the rotating disc to eccentrically rotate, the rotating disc rotates to drive the cutter at the bottom end of the cutter changing frame to vertically reciprocate through the lifting guide plate, and the reciprocating sliding operation of the cutter is realized.

[0015] Preferably, the cutter holder and the cutter changing frame form a positioning structure through the mounting clamping column and the mounting clamping groove, in the embodiment, the worker places the mounting clamping column in the groove of the mounting clamping groove, so that the cutter holder is embedded in the inside of the cutter changing frame, and the pre-positioning operation of the cutter holder is realized.

[0016] Compared with the prior art, the paper cutting assembly has the following beneficial effects:

[0017] 1. By arranging the mounting clamping column and the mounting clamping groove, the worker places the mounting clamping column in the groove of the mounting clamping groove, so that the cutter holder is embedded in the inside of the cutter changing frame, the pre-positioning operation of the cutter holder is realized, then the work motor works to drive the work rotating shaft to rotate, the work rotating shaft rotates to drive the rotating disc to eccentrically rotate, the rotating disc rotates to drive the cutter at the bottom end of the cutter changing frame to vertically reciprocate through the lifting guide plate, and the stable cutting operation of the paperboard is realized.

[0018] 2. By arranging the clamping plates and the positioning columns, the sliding plate slides to drive the sliding connecting plate to slide along the inner wall of the work frame in the transverse direction through the driving connecting rod, the sliding connecting plate drives the connecting sliding block to slide in the longitudinal direction through the driven connecting rod, the connecting sliding block drives the three groups of clamping plates at the bottom end of the connecting plate to synchronously slide, and then the clamping plates are embedded with the positioning columns on the outer wall of the cutter holder, at the same time, the clamping plates are tightly attached to the outer wall of the cutter holder, and the quick mounting operation of the cutter holder at the top end of the cutter is realized. ACCURACY OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2It is the cross section structure schematic view of the paper cutting frame in the utility model.

[0021] Figure 3 It is the internal structure schematic view of the working frame in the utility model.

[0022] Figure 4 It is Figure 3 It is the enlarged view of A in the utility model.

[0023] Figure 5 It is the cross section structure schematic view of the tool changing frame in the utility model.

[0024] Mark: 1, tool changing frame; 2, working frame; 3, screw rod; 4, sliding plate; 5, driving link; 6, sliding link plate; 7, driven link; 8, connecting sliding block; 9, connecting plate; 10, clamping plate; 11, positioning column; 12, tool holder; 13, cutting tool; 14, workbench; 15, paper cutting frame; 16, working motor; 17, rotating shaft; 18, rotating disc; 19, lifting guide plate; 20, mounting clamping column; 21, mounting clamping groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-5 It can be known that the embodiment discloses a paper cutting machine with a tool changing structure, which comprises a tool changing frame 1, the top end of the tool changing frame 1 is fixedly connected with a working frame 2, the outer wall of the working frame 2 is provided with a screw rod 3, the outer wall of the screw rod 3 is threadedly connected with a sliding plate 4, the two ends of the sliding plate 4 are rotatably connected with driving links 5, one end of the driving link 5 is rotatably connected with a sliding link plate 6 which is slidably connected with the inner wall of the working frame 2, the two ends of the sliding link plate 6 are rotatably connected with driven links 7, one end of the driven link 7 is rotatably connected with a connecting sliding block 8 which is slidably connected with the inner wall of the working frame 2, the bottom end of the connecting sliding block 8 is fixedly connected with a connecting plate 9 which is fixedly connected with the inner wall of the tool changing frame 1, the bottom end of the connecting plate 9 is fixedly connected with a clamping plate 10, the outer wall of the clamping plate 10 is embedded with a positioning column 11, the outer wall of the positioning column 11 is fixedly connected with a tool holder 12 which is attached to the outer wall of the clamping plate 10, and the bottom end of the tool holder 12 is fixedly connected with a cutting tool 13.

[0027] The paper cutting assembly is located outside the tool changing frame 1 and is used for cutting paper operation of the cutting tool 13.

[0028] Based on the above structure, the sliding plate 4 slides through the driving link 5 to drive the sliding link plate 6 to slide transversely along the inner wall of the working frame 2, the sliding link plate 6 drives the connecting sliding block 8 to slide longitudinally through the driven link 7, the connecting sliding block 8 drives the three sets of clamping plates 10 at the bottom end of the connecting plate 9 to slide synchronously, and then the clamping plates 10 are embedded with the positioning columns 11 on the outer wall of the tool holder 12, and at the same time, the clamping plates 10 are tightly attached to the outer wall of the tool holder 12, so that the tool holder 12 at the top end of the cutter 13 is quickly installed.

[0029] In one of the embodiments, the sliding path of the sliding link plate 6 and the sliding path of the connecting sliding block 8 are perpendicular.

[0030] In this embodiment, the screw rod 3 rotates to drive the sliding plate 4 to slide, the sliding plate 4 slides through the driving link 5 to drive the sliding link plate 6 to slide transversely along the inner wall of the working frame 2, and the sliding link plate 6 drives the connecting sliding block 8 to slide longitudinally through the driven link 7, so as to realize the stable sliding operation of the connecting sliding block 8.

[0031] In one of the embodiments, the clamping plates 10 are provided in three sets, and the three sets of clamping plates 10 are equidistantly distributed along the bottom end of the connecting plate 9.

[0032] In this embodiment, by providing the three sets of clamping plates 10, the stable installation operation of the tool holder 12 is facilitated, and the deviation of the tool holder 12 is avoided.

[0033] In one of the embodiments, the tool holder 12 forms a clamping structure with the clamping plates 10 and the positioning columns 11 and the tool changing frame 1.

[0034] In this embodiment, the clamping plates 10 are embedded with the positioning columns 11 on the outer wall of the tool holder 12, and at the same time, the clamping plates 10 are tightly attached to the outer wall of the tool holder 12, so that the tool holder 12 at the top end of the cutter 13 is quickly installed.

[0035] In one of the embodiments, the paper cutting assembly comprises a workbench 14, the workbench 14 is arranged below the cutter 13, the top end of the workbench 14 is fixedly connected with a paper cutting frame 15, the outer wall of the paper cutting frame 15 is fixedly connected with a working motor 16, the output end of the working motor 16 is fixedly connected with a rotating shaft 17, the outer wall of the rotating shaft 17 is fixedly connected with a rotating disc 18, the rotating disc 18 is sleeved with a lifting guide plate 19 which is rotatably connected with the top end of the tool changing frame 1, the two ends of the tool holder 12 are fixedly connected with mounting clamping columns 20, and the connecting parts of the tool changing frame 1 and the mounting clamping columns 20 are provided with mounting clamping grooves 21.

[0036] In the embodiment, the staff places the installation clamping column 20 in the slot of the installation clamping slot 21, so that the tool holder 12 is embedded in the inside of the tool changing frame 1, the pre-positioning operation of the tool holder 12 is realized, then the working motor 16 works to drive the working shaft 17 to rotate, the working shaft 17 rotates to drive the eccentric rotation of the rotating disc 18, the rotating disc 18 rotates to drive the vertical reciprocating sliding of the cutter 13 at the bottom end of the tool changing frame 1 through the lifting guide plate 19, and the stable cutting operation of the paperboard is realized.

[0037] In one of the embodiments, the rotating disc 18 is provided with two groups, and the shape of the rotating disc 18 is eccentric.

[0038] In the embodiment, the working shaft 17 rotates to drive the eccentric rotation of the rotating disc 18, the rotating disc 18 rotates to drive the vertical reciprocating sliding of the cutter 13 at the bottom end of the tool changing frame 1 through the lifting guide plate 19, and the reciprocating sliding operation of the cutter 13 is realized.

[0039] In one of the embodiments, the tool holder 12 and the tool changing frame 1 constitute a positioning structure through the installation clamping column 20 and the installation clamping slot 21.

[0040] In the embodiment, the staff places the installation clamping column 20 in the slot of the installation clamping slot 21, so that the tool holder 12 is embedded in the inside of the tool changing frame 1, the pre-positioning operation of the tool holder 12 is realized.

[0041] In the embodiment, the staff places the installation clamping column 20 in the slot of the installation clamping slot 21, so that the tool holder 12 is embedded in the inside of the tool changing frame 1, the pre-positioning operation of the tool holder 12 is realized.

[0042] Then, the staff rotates the screw rod 3, the screw rod 3 rotates to drive the sliding plate 4 to slide, the sliding plate 4 slides to drive the sliding connecting plate 6 to slide horizontally along the inner wall of the working frame 2 through the driving connecting rod 5, the sliding connecting plate 6 drives the connecting sliding block 8 to slide longitudinally through the driven connecting rod 7, the connecting sliding block 8 slides to drive the synchronous sliding of the three groups of clamping plates 10 at the bottom end of the connecting plate 9, and then the clamping plates 10 are embedded with the positioning columns 11 on the outer wall of the tool holder 12, at the same time, the clamping plates 10 are tightly combined with the outer wall of the tool holder 12 through movement, and the quick installation operation of the cutter 13 at the top end of the tool holder 12 is realized.

[0043] Finally, the staff places the paperboard below the cutter 13, then the working motor 16 works to drive the working shaft 17 to rotate, the working shaft 17 rotates to drive the eccentric rotation of the rotating disc 18, the rotating disc 18 rotates to drive the vertical reciprocating sliding of the cutter 13 at the bottom end of the tool changing frame 1 through the lifting guide plate 19, and the stable cutting operation of the paperboard is realized.

[0044] The contents not described in detail in the description belong to the prior art known by the professional technical personnel.

[0045] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A paper cutter with a blade changing structure, characterized in that: include: A tool changing frame (1) is fixedly connected to a working frame (2) at its top. A screw (3) is provided on the outer wall of the working frame (2). A sliding plate (4) is threaded onto the outer wall of the screw (3). Both ends of the sliding plate (4) are screwed with an active connecting rod (5). One end of the active connecting rod (5) is screwed with a sliding connecting plate (6) that slides on the inner wall of the working frame (2). Both ends of the sliding connecting plate (6) are screwed with a driven connecting rod (7). One end is screwed to a connecting slider (8) that is slidably connected to the inner wall of the working frame (2). The bottom end of the connecting slider (8) is fixedly connected to a connecting plate (9) that is fixedly connected to the inner wall of the tool changing frame (1). The bottom end of the connecting plate (9) is fixedly connected to a clamping plate (10). The outer wall of the clamping plate (10) is fitted with a positioning post (11). The outer wall of the positioning post (11) is fixedly connected to a tool holder (12) that is in contact with the outer wall of the clamping plate (10). The bottom end of the tool holder (12) is fixedly connected to a cutting blade (13). A paper cutting assembly is located outside the blade changing frame (1) and is used by the cutter (13) to perform paper cutting operations.

2. The paper cutter with a blade changing structure according to claim 1, characterized in that: The sliding path of the sliding connecting plate (6) is perpendicular to the sliding path of the connecting slider (8).

3. The paper cutter with a blade changing structure according to claim 1, characterized in that: The clamping plate (10) is provided in three sets, and the three sets of clamping plates (10) are distributed at equal intervals along the bottom end of the connecting plate (9).

4. The paper cutter with a blade changing structure according to claim 1, characterized in that: The tool holder (12) forms a clamping structure with the tool changing frame (1) through the clamping plate (10) and the positioning column (11).

5. The paper cutter with a blade changing structure according to claim 1, characterized in that: The paper cutting assembly includes: A workbench (14) is provided below the cutter (13). A paper cutting frame (15) is fixedly connected to the top of the workbench (14). A working motor (16) is fixedly connected to the outer wall of the paper cutting frame (15). A rotating shaft (17) is fixedly connected to the output end of the working motor (16). A turntable (18) is fixedly connected to the outer wall of the rotating shaft (17). A lifting guide plate (19) that is screwed to the top of the blade changing frame (1) is sleeved on the outer wall of the turntable (18). Mounting pins (20) are fixedly connected to both ends of the blade holder (12). A mounting slot (21) is provided at the connection between the blade changing frame (1) and the mounting pins (20).

6. The paper cutter with a blade changing structure according to claim 5, characterized in that: The turntable (18) is provided in two sets, and the turntable (18) is eccentric in shape.

7. The paper cutter with a blade changing structure according to claim 5, characterized in that: The tool holder (12) forms a positioning structure with the tool changing frame (1) through the mounting pin (20) and mounting slot (21).

Images