Paper cutting mechanism

Abstract

The utility model belongs to the field of large-size paper cutting, and particularly relates to a paper cutting mechanism which is characterized in that a rotary driving mechanism and a synchronous belt wheel assembly are arranged on a rack, the output end of the rotary driving mechanism is connected with one belt wheel of the synchronous belt wheel assembly, and a movable seat is fixed with a synchronous belt of the synchronous belt wheel assembly; the fixing structure comprises two fixing blocks and a plurality of first locking pieces, one fixing block is fixed to the movable base, a plurality of fixing holes are formed in the two fixing blocks, one end of the blade is arranged between the two fixing blocks, the first locking pieces are detachably connected into the fixing holes in the two fixing blocks, and the blade is fixed to the movable base. According to the paper cutting device, the two fixing blocks are arranged, one end, located between the two fixing blocks, of the blade is fixed, the two sides of the end of the blade are limited, the paper cutting device can be better applied to the paper cutting procedure of large-size substrate glass spacing paper, large-stroke linear reciprocating motion is achieved, the manufacturing cost is lower, maintenance is more convenient, the blade can be conveniently disassembled, assembled and replaced, and the stability of blade installation is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of large -size paper cutting, concretely relates to a paper cutting mechanism. BACKGROUND

[0002] In the field of substrate glass, the semi-finished glass needs to use interval paper to separate each adjacent glass. The interval paper is usually in the form of a roll, and a fixed length of interval paper is cut during the over-rolling process for use. The cutting needs to use a blade to perform periodic reciprocating linear motion. Since the interval paper needs to have certain strength and toughness, the blade is prone to wear and tear after a long time of cutting and needs to be replaced. The complex blade mounting structure not only causes inconvenience in disassembling and replacing the blade, but also increases the cost. In addition, for large-size substrate glass, the width and length of the interval paper used are large, so that the reciprocating linear motion stroke of the blade during cutting is large, the requirement for the driving mechanism is high, and the use of a linear module has the problems of high cost and maintenance inconvenience. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a paper cutting mechanism that can be better applied to the paper cutting process of large-size substrate glass interval paper, realizes large-stroke linear reciprocating motion, has lower cost, is more convenient to maintain, can facilitate disassembly and replacement of the blade, and guarantees the stability of the blade installation.

[0004] The content of the utility model includes a rotary driving mechanism, a synchronous pulley assembly, a moving seat, a fixing structure, and a blade. The rotary driving mechanism and the synchronous pulley assembly are arranged on a rack, and the output end of the rotary driving mechanism is connected with one of the pulleys of the synchronous pulley assembly. The moving seat is fixed with the synchronous belt of the synchronous pulley assembly. The fixing structure includes two fixing blocks and a plurality of locking members one, one of the fixing blocks is fixed on the moving seat, and a plurality of fixing holes are arranged on each of the two fixing blocks. One end of the blade is arranged between the two fixing blocks, and a plurality of locking members one are detachably connected in the plurality of fixing holes on the two fixing blocks to fix the end of the blade between the two fixing blocks and limit the two sides of the end of the blade.

[0005] Further, after the blade is fixed and limited, the blade is arranged obliquely relative to the direction perpendicular to the paper surface of the interval paper.

[0006] Further, the fixing holes on the two fixing blocks are each provided with four, the number of the locking members one is four, and when one end of the blade is arranged between the two fixing blocks, the four fixing holes on a single fixing block are located on the two sides of the end of the blade.

[0007] Further, the moving seat includes a mounting plate, and one of the fixing blocks is fixed on the mounting plate through a connecting block.

[0008] Further, the side of the mounting plate is provided with a mounting hole, one of the fixing blocks is fixed on a connecting block, the connecting block is provided with a waist-shaped hole, the length direction of the waist-shaped hole is arranged along the length direction of the spacing paper, and the locking member two is connected with the mounting hole through the waist-shaped hole to fix the connecting block and the mounting plate.

[0009] Further, the mounting hole is provided with two or more, and the waist-shaped hole is correspondingly provided with two or more.

[0010] Further, the moving seat further comprises a bottom plate and a linear driving mechanism, the bottom plate is fixed with the synchronous belt, the linear driving mechanism is arranged on the bottom plate, the mounting plate is connected with the output end of the linear driving mechanism, and the linear driving mechanism is used for driving the mounting plate to move towards the direction of the paper surface of the spacing paper.

[0011] Further, one side of the bottom plate away from the linear driving mechanism is provided with a positioning groove, when the bottom plate is fixed with the synchronous belt, the synchronous belt is arranged in the positioning groove.

[0012] Further, the moving seat further comprises a sliding block one, the sliding block one is arranged on the side of the bottom plate away from the linear driving mechanism, and the rack is provided with a guide rail one, and the sliding block one is in sliding fit with the guide rail one.

[0013] Further, the moving seat further comprises a sliding block two and a guide rail two, the guide rail two is arranged on the side of the bottom plate provided with the linear driving mechanism, and the sliding block two is arranged on the mounting plate and in sliding fit with the guide rail two.

[0014] The beneficial effects of the utility model are that the rotating driving mechanism and the synchronous belt wheel assembly are used to drive the blade to move linearly and reciprocally, paper cutting is realized, compared with the mode that the linear module drives the blade to move linearly and reciprocally, the utility model can be better applied to the paper cutting process of large-size substrate glass spacing paper, on the basis of realizing large-stroke linear reciprocating motion, the cost is lower, the cost is reduced, and the synchronous belt wheel assembly is an open structure relative to the linear module, and maintenance is more convenient.

[0015] The fixing structure is simple in whole, easy to process and low in cost, can facilitate dismounting and replacing the blade, can fix and position the blade on both sides, need not open corresponding holes on the blade for fixing, can reduce the processing cost of the blade, and guarantees the stability of the blade installation, so as to guarantee the reliability of the paper cutting operation. ACCURACY OF DRAWINGS

[0016] Figure 1 It is a first view angle structure schematic diagram of the paper cutting mechanism of the utility model.

[0017] Figure 2 It is a second view angle structure schematic diagram of the paper cutting mechanism of the utility model.

[0018] Figure 3 It is the schematic view of the mobile seat, fixed structure and blade of the utility model.

[0019] Figure 4 It is the exploded schematic view of the fixed structure of the utility model.

[0020] In the drawing: 1, rotary drive mechanism;2, synchronous pulley assembly;21, pulley;22, synchronous belt;3, mobile seat;31, bottom plate;311, positioning groove;32, linear drive mechanism;33, mounting plate;331, mounting hole;34, guide rail two;4, fixed structure;41, fixed block;411, fixed hole;5, blade;6, connecting block;61, waist-shaped hole;7, guide rail one. DETAILED DESCRIPTION

[0021] As Figures 1-4 shown, the utility model provides a paper cutting mechanism, including rotary drive mechanism 1, synchronous pulley assembly 2, mobile seat 3, fixed structure 4 and blade 5. Rotary drive mechanism 1 and synchronous pulley assembly 2 set up on the frame, and the frame is used to support paper cutting mechanism whole. Synchronous pulley assembly 2 specifically includes two pulleys 21 and the synchronous belt 22 of setting on two pulleys 21, and when synchronous pulley assembly 2 sets up on the frame, two pulleys 21 thereof are rotatably connected with the frame, and the output end of rotary drive mechanism 1 is connected with one of pulleys 21, to drive synchronous pulley assembly 2 to move. Mobile seat 3 is fixed with synchronous belt 22, and mobile seat 3 moves along with synchronous belt 22, and rotary drive mechanism 1 is motor or other rotary drive piece. Fixed structure 4 includes two fixed blocks 41 and several locking pieces one, wherein one of fixed blocks 41 is fixed on mobile seat 3, and several fixed holes 411 are arranged on two fixed blocks 41, the number of fixed holes 411 on two fixed blocks 41 is same, and the number of fixed hole 411 on single fixed block 41 is same with the number of locking piece one. One end of blade 5 is set between two fixed blocks 41, and several locking pieces one are detachably connected in several fixed holes 411 on two fixed blocks 41, to fix one end of blade 5 between two fixed blocks 41 and limit both sides of the end of blade 5.

[0022] Specifically, the single locking member is detachably connected to the fixed holes 411 corresponding in position on the two fixing blocks 41, so that the two fixing blocks 41 are fixed, the clamping and fixing of the one end of the blade 5 are formed, and the blade 5 is limited on both sides of the one end through the plurality of locking members, so that the angle of the blade 5 is fixed. In one setting mode, the locking member is a nut and a bolt, the bolt is simultaneously arranged in the fixed holes 411 corresponding in position on the two fixing blocks 41, and the end of the bolt is locked by the nut, so that the two fixing blocks 41 are fixed. In another setting mode, the locking member is a screw, the fixed hole 411 on one of the fixing blocks 41 is a through hole, and the fixed hole 411 on the other fixing block 41 is a threaded hole, the screw is screwed into the fixed hole 411 on one of the fixing blocks 41 and is screwed and locked with the fixed hole 411 on the other fixing block 41, so that the two fixing blocks 41 are fixed.

[0023] The paper cutting mechanism provided by the utility model adopts the rotary driving mechanism 1 and the synchronous pulley assembly 2 to drive the blade 5 to move linearly and reciprocally, realizes paper cutting, compared with the mode that the linear module drives the blade 5 to move linearly and reciprocally, the utility model can be better applied to the paper cutting process of large-size paper such as large-size substrate glass interval paper, on the basis of realizing large-stroke linear reciprocating motion, the cost is lower, the cost is reduced, meanwhile, the synchronous pulley assembly 2 is an open structure compared with the linear module, and it is more convenient to maintain. Based on the setting of the fixing structure 4, the two fixing blocks 41 can be separated only by removing the plurality of locking members, so that the blade 5 is removed, the fixing structure 4 is simple in whole, easy to process and low in cost, so that the blade 5 can be conveniently disassembled and replaced, the blade 5 is limited on both sides, the corresponding holes need not be arranged on the blade 5 for fixing, the processing cost of the blade 5 can be reduced, and the stability of the installation of the blade 5 is guaranteed, so that the reliability of the paper cutting operation is guaranteed.

[0024] In one setting mode of the utility model, after the blade 5 is fixed and limited, the blade 5 is arranged perpendicularly to the interval paper surface, that is, when the blade 5 moves to cut paper, the blade 5 is in a state of being approximately perpendicular to the paper surface.

[0025] In another setting mode of the utility model, after the blade 5 is fixed and limited, the blade 5 is arranged obliquely relative to the direction perpendicular to the interval paper surface, that is, when the blade 5 moves to cut paper, the blade 5 is in an oblique state and has a certain oblique angle with the paper surface.

[0026] For example, Figure 2 and Figure 4As shown, preferably four fixing holes 411 are arranged on each fixing block 41, and the number of locking members is four, when one end of the blade 5 is arranged between the two fixing blocks 41, the four fixing holes 411 on a single fixing block 41 are located on both sides of the end of the blade 5, that is, two fixing holes 411 on a single fixing block 41 are located on one side of the end of the blade 5, and the other two fixing holes 411 are located on the other side of the end of the blade 5, when the four locking members are connected in the corresponding fixing holes 411, then the four locking members are located on both sides of the end of the blade 5, and the blade 5 is more reliably and effectively limited.

[0027] The moving seat 3 comprises a mounting plate 33, and one of the fixing blocks 41 is fixed on the mounting plate 33 through the connecting block 6, so as to be arranged on the moving seat 3. In the utility model, the length direction of the spacing paper specifically refers to the moving direction of the spacing paper during unwinding, and the width direction of the spacing paper is the direction of the blade 5 moving to cut the paper. Preferably, the side surface of the mounting plate 33 is provided with a mounting hole 331, and one of the fixing blocks 41 is fixed on the connecting block 6, the connecting block 6 is provided with a waist-shaped hole 61, the length direction of the waist-shaped hole 61 is arranged along the length direction of the spacing paper, and the second locking member passes through the waist-shaped hole 61 and is connected with the mounting hole 331 to fix the connecting block 6 and the mounting plate 33, based on the arrangement, when the connecting block 6 is installed, the position of the connecting block 6 can be adjusted along the length direction of the spacing paper through the waist-shaped hole 61, so as to facilitate the calibration and adjustment of the position precision of the cutting paper.

[0028] In one arrangement, the first locking member is a nut and a bolt, the bolt is simultaneously arranged in the waist-shaped hole 61 and the mounting hole 331, and the end of the bolt is locked by the nut, so as to fix the connecting block 6 and the mounting plate 33. In another arrangement, the locking member is a screw, the screw is screwed with the mounting hole 331 after passing through the waist-shaped hole 61, so as to fix the connecting block 6 and the mounting plate 33.

[0029] The mounting hole 331 is provided with two or more than two, the waist-shaped hole 61 is correspondingly provided with two or more than two, and the number of locking members is the same as the number of mounting holes 331 and waist-shaped holes 61, so as to improve the stability of the fixing of the connecting block 6 and the mounting plate 33.

[0030] The moving stroke of the blade 5 through the synchronous belt wheel assembly 2 is greater than the width of the spacer paper. In an embodiment of the utility model, before cutting the paper, the blade 5 is located at the side of the spacer paper, and the cutting of the paper is directly carried out through the movement of the blade 5 along the width direction of the spacer paper, and the blade 5 is directly moved along the width direction of the spacer paper to retreat to the original position after cutting the paper. In another embodiment of the utility model, the moving seat 3 further comprises a bottom plate 31 and a linear driving mechanism 32, the bottom plate 31 is fixed with the synchronous belt 22, the linear driving mechanism 32 is arranged on the bottom plate 31, the mounting plate 33 is connected with the output end of the linear driving mechanism 32, and the linear driving mechanism 32 is used for driving the mounting plate 33 to move towards the direction of the paper surface of the spacer paper, so that the blade 5 is driven to move towards the direction of the paper surface of the spacer paper. Based on the setting, after the cutting of the paper is completed, the blade 5 can be moved away from the paper surface of the spacer paper through the reset of the linear driving mechanism 32, so that the blade 5 is separated from the paper surface of the spacer paper. When the blade 5 is moved along the width direction of the spacer paper to retreat to the original position, the unwinding of the spacer paper is not hindered. The linear driving mechanism 32 can be any one of a pneumatic cylinder, an electric cylinder and a hydraulic cylinder.

[0031] The one side of the bottom plate 31 away from the linear driving mechanism 32 is provided with a positioning groove 311, when the bottom plate 31 is fixed with the synchronous belt 22, the synchronous belt 22 is arranged in the positioning groove 311, so that the bottom plate 31 is positioned when being fixed with the synchronous belt 22.

[0032] The moving seat 3 further comprises a sliding block one, the sliding block one is arranged on the one side of the bottom plate 31 away from the linear driving mechanism 32, the rack is provided with a guide rail one 7, and the sliding block one is in sliding fit with the guide rail one 7, so that the movement of the moving seat 3 is guided, and the stability of the cutting work of the blade 5 along the width direction of the spacer paper is improved.

[0033] The moving seat 3 further comprises a sliding block two and a guide rail two 34, the guide rail two 34 is arranged on the one side of the bottom plate 31 provided with the linear driving mechanism 32, the sliding block two is arranged on the mounting plate 33, and the sliding block two is in sliding fit with the guide rail two 34, so that the movement of the mounting plate 33 is guided, and the stability of the mounting plate 33 during movement is improved.

[0034] Those skilled in the art should understand that the discussion of any of the above embodiments is only exemplary, and is not intended to limit the protection scope of the application to these examples; under the idea of the application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of one or more embodiments of the application as described above, which are not provided in details for the sake of brevity.

[0035] It is intended that the embodiments of the application herein disclosed meet all the written requirements of the patent statutes and come within the judicial doctrines of equivalents and will not be construed to be limited to the embodiments shown and described and by the keeping within the spirit and scope of the embodiments of the application.

Claims

1. A paper cutting mechanism, characterized in that, The device includes a rotary drive mechanism (1), a synchronous pulley assembly (2), a movable seat (3), a fixed structure (4), and a blade (5). The rotary drive mechanism (1) and the synchronous pulley assembly (2) are mounted on a frame, and the output end of the rotary drive mechanism (1) is connected to one of the pulleys (21) of the synchronous pulley assembly (2). The movable seat (3) is fixed to the synchronous belt (22) of the synchronous pulley assembly (2). The fixed structure (4) includes two fixed blocks (41) and several locking components. One of the fixed blocks (41) is fixed on the movable seat (3), and several fixing holes (411) are provided on both fixed blocks (41). One end of the blade (5) is located between the two fixed blocks (41). Several locking components are detachably connected to several fixing holes (411) on the two fixed blocks (41) to fix one end of the blade (5) located between the two fixed blocks (41) and to limit the two sides of the blade (5) at that end.

2. The paper cutting mechanism as described in claim 1, characterized in that, After the blade (5) is fixed and limited, the blade (5) is set at an angle relative to the direction of the vertical spacer paper surface.

3. The paper cutting mechanism as described in claim 1 or 2, characterized in that, Each of the two fixing blocks (41) has four fixing holes (411), and the number of locking parts is four. When one end of the blade (5) is placed between the two fixing blocks (41), the four fixing holes (411) on a single fixing block (41) are located on both sides of that end of the blade (5).

4. The paper cutting mechanism as described in claim 1 or 2, characterized in that, The movable seat (3) includes a mounting plate (33), wherein a fixing block (41) is fixed to the mounting plate (33) by a connecting block (6).

5. The paper cutting mechanism as described in claim 4, characterized in that, The mounting plate (33) has mounting holes (331) on its side. One of the fixing blocks (41) is fixed on the connecting block (6). The connecting block (6) has a waist-shaped hole (61). The length direction of the waist-shaped hole (61) is set along the length direction of the spacer paper. The locking member passes through the waist-shaped hole (61) and connects with the mounting hole (331) to fix the connecting block (6) and the mounting plate (33).

6. The paper cutting mechanism as described in claim 5, characterized in that, There are two or more mounting holes (331) and two or more waist-shaped holes (61).

7. The paper cutting mechanism as described in claim 4, characterized in that, The movable seat (3) also includes a base plate (31) and a linear drive mechanism (32). The base plate (31) is fixed to the synchronous belt (22). The linear drive mechanism (32) is set on the base plate (31). The mounting plate (33) is connected to the output end of the linear drive mechanism (32). The linear drive mechanism (32) is used to drive the mounting plate (33) to move towards the surface of the spacer paper.

8. The paper cutting mechanism as described in claim 7, characterized in that, The base plate (31) has a positioning groove (311) on the side facing away from the linear drive mechanism (32). When the base plate (31) is fixed with the synchronous belt (22), the synchronous belt (22) passes through the positioning groove (311).

9. The paper cutting mechanism as described in claim 7 or 8, characterized in that, The movable seat (3) also includes a slider, which is disposed on the side of the base plate (31) away from the linear drive mechanism (32). A guide rail (7) is provided on the frame, and the slider slides in cooperation with the guide rail (7).

10. The paper cutting mechanism as described in claim 7 or 8, characterized in that, The movable seat (3) also includes a second slider and a second guide rail (34). The second guide rail (34) is set on the side of the base plate (31) where a linear drive mechanism (32) is provided. The second slider is set on the mounting plate (33), and the second slider and the second guide rail (34) slide together.

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