Feeding mechanism for paper cutting machine

Abstract

The utility model relates to the technical field of paper cutting machines, and discloses a feeding mechanism for a paper cutting machine, which comprises a base frame, a material conveying roller rotationally arranged on the base frame, and a compression roller positioned above the material conveying roller, the connecting assembly comprises a connecting block which is arranged on the base frame in a sliding mode and rotationally connected with the pressing roller, a T-shaped frame fixedly connected with the connecting block, and a fastening bolt which can be in threaded connection with the T-shaped frame. According to the feeding mechanism for the paper cutting machine, the pressing roller is arranged to be matched with the conveying roller on the base frame, so that paper to be cut can be pressed and leveled, the purpose of preventing wrinkles from being generated to affect normal operation of the paper cutting machine is achieved, the connecting assembly is further used for being connected with the pressing roller and the base frame, and the paper cutting efficiency is improved. Therefore, the distance between the pressing roller and the conveying roller can be adjusted, the pressing and leveling requirements of paper with different thicknesses are met, and the practicability of the whole device is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper cutting machine technical field, concretely is a kind of feeding mechanism for paper cutting machine. BACKGROUND

[0002] Paper cutting machine is a kind of paper processing equipment, mainly for cutting paper and other materials of paper-like.

[0003] And paper cutting machine needs user to manually press paper flat when cutting paper, to avoid paper crease when feeding, influence normal cutting phenomenon, but traditional manual flattening procedure is more complex, actual efficiency is low, influence normal cutting efficiency of paper cutting machine, for this, we propose a kind of feeding mechanism for paper cutting machine to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of feeding mechanism for paper cutting machine, solve the problem mentioned in the above background.

[0005] The utility model provides following technical scheme: a kind of feeding mechanism for paper cutting machine, comprising: pedestal frame, rotation setting on the feed roller of pedestal frame, and the compression roller located above feed roller, still be provided with connecting assembly and operating assembly on the pedestal frame, the connecting assembly includes the connecting block of sliding being arranged on pedestal frame and being rotatably connected with compression roller, the T-shaped frame of being fixedly connected with connecting block, the fastening bolt that can be connected with T-shaped frame screw, the connecting plate being fixedly connected with T-shaped frame by fastening bolt, the threaded rod that can be connected with connecting plate screw, and the connecting bearing that realizes the rotary connection between pedestal frame and threaded rod;The operating assembly includes the transmission shaft of rotation setting in the inside of pedestal frame, the rotary disc of being fixedly installed in the one end of transmission shaft, the first bevel gear of being fixedly installed in the other end of transmission shaft, the second bevel gear of being fixedly installed in the end of threaded rod, the sliding block of sliding being arranged on rotary disc, the slide button of being fixedly installed in one side of sliding block, the ball head protrusion of being fixedly installed in the other side of sliding block, the ball head rod of sliding being arranged in the inside of transmission shaft, the mounting plate of being fixedly installed on ball head rod, the connecting rod of being fixedly installed on mounting plate, the friction plate of being fixedly installed in the end of connecting rod, the first spring of both ends being fixedly connected with mounting plate and transmission shaft, and the second spring of both ends being fixedly connected with sliding block and rotary disc.

[0006] Preferably, the T-shaped frame is provided with two, the number of compression rollers is consistent with the number of T-shaped frames.

[0007] Preferably, the first bevel gear and the second bevel gear are located at the internal cavity of the pedestal frame, and the first bevel gear and the second bevel gear are meshingly connected.

[0008] Preferably, the ball head end surface of the ball head rod is tangent to the outer surface of the ball head protrusion.

[0009] Preferably, the friction plate is designed in a ring structure, and a friction pattern for enhancing the friction between the friction plate and the base frame is arranged on the side surface of the friction plate.

[0010] Preferably, a sliding groove for passing through both ends of the connecting rod is arranged on the transmission shaft.

[0011] Preferably, in the initial state, the sliding knob is located at the center of the rotating disc, and the friction plate is closely attached to the base frame.

[0012] Preferably, both ends of the connecting plate are connected with the two T-shaped frames through fastening bolts.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The paper cutting machine loading mechanism, by setting up the compression roller and the base frame on the material conveying roller together, so as to press and flatten the paper to be cut, thereby avoiding the wrinkles affecting the normal operation of the paper cutting machine, and the connecting assembly is used to connect the compression roller and the base frame, so that the distance between the compression roller and the material conveying roller can be adjusted to meet the pressing and flattening requirements of paper of different thicknesses, and the practicability of the overall device is further improved.

[0015] 2. The paper cutting machine loading mechanism, by setting the operation assembly to adjust the state of the connecting assembly to meet the use requirements of the actual scene, and in the state of no operation, the friction plate in the operation assembly can generate a certain friction force, so that the state of the compression roller can be locked by using the friction force, so as to guarantee the actual pressing and flattening effect, and further guarantee the performance of the overall device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2 It is the connection block structure explosion diagram of the utility model;

[0018] Figure 3 It is the overall bottom structure schematic diagram of the utility model;

[0019] Figure 4 It is the local structure section view of the utility model;

[0020] Figure 5 It is the rotating disc and transmission shaft structure section view of the utility model.

[0021] In the figure: 1, base frame; 2, feed roller; 3, compression roller; 4, connecting assembly; 41, T-shaped frame; 42, connecting plate; 43, connecting block; 44, fastening bolt; 45, threaded rod; 46, connecting bearing; 5, operating assembly; 51, rotating disc; 52, slide button; 53, slide block; 54, ball head protrusion; 55, ball head rod; 56, first spring; 57, mounting plate; 58, connecting rod; 59, friction plate; 510, transmission shaft; 511, first bevel gear; 512, second bevel gear; 513, second spring. DETAILED DESCRIPTION

[0022] 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.

[0023] Please refer to Figures 1-5 A feeding mechanism for a paper cutter, comprising: a base frame 1, a feed roller 2 rotatably arranged on the base frame 1, and a compression roller 3 located above the feed roller 2, the base frame 1 is further provided with a connecting assembly 4 and an operating assembly 5, the connecting assembly 4 comprises a connecting block 43 slidably arranged on the base frame 1 and rotatably connected with the compression roller 3, a T-shaped frame 41 fixedly connected with the connecting block 43, a fastening bolt 44 threadedly connected with the T-shaped frame 41, a connecting plate 42 fixedly connected with the T-shaped frame 41 through the fastening bolt 44, a threaded rod 45 threadedly connected with the connecting plate 42, and a connecting bearing 46 achieving the rotational connection between the base frame 1 and the threaded rod 45; the T-shaped frame 41 is provided with two, the number of the compression rollers 3 is consistent with the number of the T-shaped frames 41, the two ends of the connecting plate 42 are connected with the two T-shaped frames 41 through the fastening bolts 44, and the state of the two compression rollers 3 can be connected under the connection of the T-shaped frames 41 and the connecting plate 42, so that the two compression rollers 3 slide together to meet the pressing and flattening requirements of the paper to be cut.

[0024] The operation assembly 5 comprises a transmission shaft 510 rotatably arranged in the base frame 1, a rotating disc 51 fixedly installed at one end of the transmission shaft 510, a first bevel gear 511 fixedly installed at the other end of the transmission shaft 510, a second bevel gear 512 fixedly installed at the end of the threaded rod 45, a sliding block 53 slidingly arranged on the rotating disc 51, a sliding knob 52 fixedly installed at one side of the sliding block 53, a ball head protrusion 54 fixedly installed at the other side of the sliding block 53, a ball head rod 55 slidingly arranged in the transmission shaft 510, a mounting plate 57 fixedly installed on the ball head rod 55, a connecting rod 58 fixedly installed on the mounting plate 57, a friction plate 59 fixedly installed at the end of the connecting rod 58, a first spring 56 fixedly connected at both ends with the mounting plate 57 and the transmission shaft 510, and a second spring 513 fixedly connected at both ends with the sliding block 53 and the rotating disc 51, the first bevel gear 511 and the second bevel gear 512 are located at the internal cavity of the base frame 1 and are in meshing transmission connection, the ball head end surface of the ball head rod 55 is tangent to the outer surface of the ball head protrusion 54, the friction plate 59 is designed in an annular structure and is provided with friction lines on the side surface for enhancing the friction with the base frame 1, a sliding groove for passing through both ends of the connecting rod 58 is formed on the transmission shaft 510, in the initial state, the sliding knob 52 is located at the center of the rotating disc 51, the friction plate 59 is closely attached to the base frame 1, and the establishment of the friction plate 59 can improve the stability of the overall device and avoid the movement of the mechanism in the device beyond the expectation.

[0025] The working principle is that the feeding roller 2 is movably arranged on the base frame 1, the paper to be cut can be placed on the feeding roller 2, the feeding roller 2 can be driven to convey the paper into the working range of the paper cutting machine for cutting, and the pressing roller 3 can be used to press and flatten the paper during the conveying process to avoid the paper from being wrinkled during the feeding process; when the distance between the pressing roller 3 and the feeding roller 2 is adjusted according to the paper of different thickness, the knob 52 is pushed to slide, the sliding block 53 fixedly connected with the knob 52 slides synchronously on the rotating disc 51, the ball head protrusion 54 fixedly arranged on the other side of the sliding block 53 slides synchronously, the ball head end of the ball head rod 55 is staggered with the ball head protrusion 54 at this time, the mounting plate 57 is fixedly arranged on the ball head rod 55 which is movably arranged in the transmission shaft 510, the mounting plate 57 is fixedly connected through the connecting rod 58 and the friction plate 59, the mounting plate 57 is further connected with the transmission shaft 510 through the first spring 56, therefore, the friction plate 59, the connecting rod 58, the mounting plate 57 and the ball head rod 55 slide synchronously under the action of the first spring 56, the gap between the friction plate 59 and the base frame 1 is generated, the rotating disc 51 is driven to rotate through the knob 52, the transmission shaft 510 fixedly connected with the rotating disc 51 rotates synchronously in the base frame 1, the first bevel gear 511 fixedly arranged on the end of the transmission shaft 510 and the second bevel gear 512 fixedly arranged on the threaded rod 45 are meshingly and drivingly connected, the threaded rod 45 rotates with the transmission shaft 510, the connecting plate 42 is threadedly connected with the threaded rod 45, the connecting plate 42 is fixedly connected with the T-shaped frame 41 through the fastening bolt 44, the end of the T-shaped frame 41 is fixedly connected with the connecting block 43, the connecting block 43 which is slidingly connected with the base frame 1 is fixedly connected with the pressing roller 3, therefore, the pressing roller 3 slides up and down through the connecting plate 42, the T-shaped frame 41 and the connecting block 43 after the threaded rod 45 rotates, so as to change the distance between the pressing roller 3 and the feeding roller 2, to meet the application of the paper of different thickness, then the knob 52 is loosened, the second spring 513 fixedly connected with the sliding block 53 and the rotating disc 51 at two ends pushes the knob 52, the sliding block 53 and the ball head protrusion 54 to slide towards the ball head rod 55, so as to push the ball head rod 55 to slide, so as to eliminate the gap between the friction plate 59 and the base frame 1, at this time, the friction plate 59 is in close contact with the base frame 1, a certain friction force is formed through the friction lines on the friction plate 59, the rotation of the friction plate 59 and the transmission shaft 510 and other structures is limited, and then the state of the threaded rod 45 and the pressing roller 3 is locked.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A feeding mechanism for a paper cutter, characterized in that, include: The base frame (1), the conveying roller (2) rotatably mounted on the base frame (1), and the pressure roller (3) located above the conveying roller (2) are provided on the base frame (1). The base frame (1) is also provided with a connecting assembly (4) and an operating assembly (5). The connecting assembly (4) includes a connecting block (43) slidably mounted on the base frame (1) and rotatably connected to the pressure roller (3), a T-shaped frame (41) fixedly connected to the connecting block (43), a fastening bolt (44) threadedly connected to the T-shaped frame (41), a connecting plate (42) fixedly connected to the T-shaped frame (41) by the fastening bolt (44), a threaded rod (45) threadedly connected to the connecting plate (42), and a connecting bearing (46) realizing the rotatable connection between the base frame (1) and the threaded rod (45). The operating component (5) includes a drive shaft (510) rotatably disposed inside the base frame (1), a turntable (51) fixedly installed at one end of the drive shaft (510), a first bevel gear (511) fixedly installed at the other end of the drive shaft (510), a second bevel gear (512) fixedly installed at the end of the threaded rod (45), a slider (53) slidably disposed on the turntable (51), a slider button (52) fixedly installed on one side of the slider button (53), and a button fixedly installed on the other side of the slider button (53). The ball head protrusion (54), the ball head rod (55) slidably disposed inside the drive shaft (510), the mounting plate (57) fixedly mounted on the ball head rod (55), the connecting rod (58) fixedly mounted on the mounting plate (57), the friction plate (59) fixedly mounted on the end of the connecting rod (58), the first spring (56) fixedly connected to the mounting plate (57) and the drive shaft (510) at both ends respectively, and the second spring (513) fixedly connected to the slider (53) and the turntable (51) at both ends respectively.

2. The feeding mechanism for a paper cutter according to claim 1, characterized in that, There are two T-shaped frames (41), and the number of pressure rollers (3) is the same as the number of T-shaped frames (41).

3. The feeding mechanism for a paper cutter according to claim 1, characterized in that, The first bevel gear (511) and the second bevel gear (512) are both located in the cavity inside the base frame (1), and the first bevel gear (511) and the second bevel gear (512) are meshed and connected for transmission.

4. The feeding mechanism for a paper cutter according to claim 1, characterized in that, The ball head end surface of the ball head rod (55) can be tangent to the outer surface of the ball head protrusion (54).

5. The feeding mechanism for a paper cutter according to claim 1, characterized in that, The friction plate (59) is designed with a ring structure, and friction patterns are provided on the side of the friction plate (59) to enhance the friction between it and the base frame (1).

6. The feeding mechanism for a paper cutter according to claim 1, characterized in that, The drive shaft (510) has grooves for passing through both ends of the connecting rod (58).

7. The feeding mechanism for a paper cutter according to claim 1, characterized in that, In the initial state, the slider (52) is located at the center of the turntable (51), and the friction plate (59) is in close contact with the base frame (1).

8. The feeding mechanism for a paper cutter according to claim 2, characterized in that, The two ends of the connecting plate (42) are respectively connected to two T-shaped frames (41) by fastening bolts (44).

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