CN212146677U

CN212146677U - Paper cutting fixing device of paper cutter

Info

Publication number: CN212146677U
Application number: CN202020624311.6U
Authority: CN
Inventors: 李利惠
Original assignee: Pinghu Andali Packaging Co ltd
Current assignee: Pinghu Andali Packaging Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-15
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a paper shearing and fixing device of a paper cutting machine, which comprises a lifting driving part, a shearing assembly and a pressing assembly; the shearing assembly is arranged on a piston rod of the lifting driving part; the pressing assembly comprises a fixing plate, a lifting plate, a spring, a guide rod and a pressing plate; the fixed plate is axially limited and arranged on the piston rod; the lifting plate is sleeved on the piston rod and positioned below the fixed plate; the spring is sleeved on a piston rod of the lifting driving part, the upper end of the spring is connected to the fixed plate, and the lower end of the spring is connected to the lifting plate; the guide rod is arranged on the lifting plate and is guided and matched in the guide hole of the fixing plate; the clamp plate has the polylith to be fixed in the lower surface of lifter plate, and be located shearing assembly's both sides, and when the spring was in natural state, the clamp plate was located shearing assembly's below, can move to shearing assembly's top after the spring was compressed. The utility model provides the high stability that compresses tightly fixed to the paper, and then improve the quality of cut paper.

Description

Paper cutting fixing device of paper cutter

Technical Field

The utility model relates to a paper cutter, more specifically relate to a fixing device is cuted to paper cutter's paper.

Background

The paper cutter is one kind of cutting machine, and application range is extensive, can be used to the material such as paper, leather, plastics, cardboard to cut. The paper cutter mainly comprises a host, a workbench, a paper pushing mechanism, a paper pressing mechanism, a cutting mechanism and the like. The paper pushing mechanism is used for pushing paper to be positioned, the paper pressing mechanism tightly presses the positioned paper, the original positioning precision is not damaged in the cutting process, the cutting mechanism is used for cutting the paper, and the workbench plays a supporting role.

The existing paper cutting machine mostly utilizes the whole downward movement of the transverse cutter to cut paper, is inconvenient to use when cutting thicker paper products, easily causes paper displacement when the cutter cuts, leads to the paper displacement, causes inaccurate cutting, and also can cause influence on the next cutting operation, thereby influencing the production efficiency. Therefore, the patent document with publication number CN207105056U among the prior art discloses a platform fixing device of a paper cutting machine, which comprises a base, the fixed bracing piece that is provided with on the upper surface of base, the fixed horizontal pole that is provided with between bracing piece and the bracing piece, fixed mounting has the cylinder on the horizontal pole, fixed mounting has the cutter mounting bracket on the piston rod of cylinder, fixed mounting has the cutter on the cutter mounting bracket, still be provided with hold-down mechanism on the cutter mounting bracket. This platform fixing device of paper cutter, structural design is reasonable, and it is convenient to remove, easy operation can be with the firm fixing of paper when cutting, makes the paper cut more accurately, can avoid the cutter to cause the injury to operating personnel simultaneously.

In the technical scheme, the pressing mechanisms are provided with four groups, each group of pressing mechanisms comprises a spring seat, a spring and a pressing plate, the upper end of the spring is fixedly installed on the cutter installation frame through the spring seat, and the pressing plate is fixedly installed at the lower end of the spring. The above structure has many disadvantages:

1. the pressing plate is directly arranged on the spring seat through the spring, so that the stability of the pressing plate is poor when the pressing plate presses paper, and the spring can be radially distorted;

2. the pressing stability of the group is poor due to the arrangement structure of the springs in the single group of pressing mechanisms, the four groups of pressing mechanisms are arranged on two sides of the cutter, and when paper is extruded, each spring deforms to different degrees, so that different pressing forces are generated between the four groups of pressing mechanisms, the pressing effect of the four groups of pressing mechanisms is poor, and the paper cutting operation of the cutter is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a fixing device is cuted to paper of paper cutter has improved and has compressed tightly fixed stability to the paper, and then improves the quality of cut paper.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a fixing device is cuted to paper of paper cutter which characterized by: the device comprises a lifting driving part, a shearing assembly and a pressing assembly;

the shearing assembly is arranged on a piston rod of the lifting driving component and moves up and down along with the piston rod;

the pressing assembly comprises a fixing plate, a lifting plate, a spring, a guide rod and a pressing plate;

the fixed plate is axially limited and mounted on a piston rod of the lifting driving part;

the lifting plate is sleeved on a piston rod of the lifting driving part, is positioned below the fixed plate and can be axially and movably arranged along the piston rod;

the spring is sleeved on a piston rod of the lifting driving part, the upper end of the spring is connected to the fixing plate, and the lower end of the spring is connected to the lifting plate;

the guide rod is arranged on the lifting plate and is guided and matched in the guide hole of the fixing plate;

the pressing plate is provided with a plurality of blocks, is fixed on the lower surface of the lifting plate and is positioned on two sides of the shearing assembly, and when the spring is in a natural state, the pressing plate is positioned below the shearing assembly, and the spring can move to the upper part of the shearing assembly after being compressed.

Preferably, the guide rods are provided with a plurality of guide rods, the guide rods are distributed on four top corners of the fixing plate, and the upper end of each guide rod is provided with a limiting nut.

Preferably, the shearing assembly comprises a fixed die and a cutting knife;

the upper surface of the fixed die is provided with a connecting sleeve, and the fixed die is arranged at the lower end of the piston rod through the connecting sleeve;

the cutter is mounted on the fixed die.

Preferably, the cutting knife is detachably mounted on the stationary die and has an upper cutting edge and a lower cutting edge.

Preferably, the lower surface of the fixed die is provided with a mounting groove, and the inner walls of two sides of the mounting groove are provided with fixing grooves; the two sides of the cutter are provided with fixing strips which can be matched with the fixing grooves.

The utility model has the advantages that:

1. the whole pressing assembly is pressed by a spring, so that the stability provided by pressure can be improved, the plurality of pressing plates have the same pressure on paper, and the stability of pressing the paper is improved; meanwhile, pressure is provided for the four springs respectively, and the spring pressing device has the characteristic of simple structure;

2. the spring is sleeved on the piston rod, so that the problem of bending of the spring in the compression process is avoided, and the stability of pressing paper is further improved;

3. the guide rod is arranged to improve the up-and-down movement stability of the pressing plate and the compression deformation stability of the spring so as to further improve the paper pressing stability;

drawings

Fig. 1 is a front view of a sheet cutting fixture of a sheet cutter provided in the present embodiment;

FIG. 2 is a cross-sectional view of the shear assembly provided in the present embodiment;

fig. 3 is a side view of the shear assembly provided in this embodiment.

Detailed Description

The paper cutting and fixing device of the paper cutting machine of the present invention will be further described with reference to fig. 1 to 3.

The utility model provides a fixing device is cuted to paper of paper cutter which characterized by: comprises a lifting driving part 1, a shearing assembly 4 and a pressing assembly 3.

The elevation driving part 1 is a cylinder, and is installed on the cross beam 2 of the paper cutter in an upside-down state. The shearing module 4 is mounted on the lower end position of the piston rod 11 of the lifting driving part 1 and moves up and down along with the piston rod 11. The pressing assembly 3 comprises a fixing plate 31, a lifting plate 34, a spring 32, a guide rod 33 and a pressing plate 35; the fixing plate 31 is axially limited and mounted on the piston rod 11 of the lifting driving part 1 through a mounting hole on the fixing plate. The lifting plate 34 is sleeved on the piston rod 11 of the lifting driving part 1 through a mounting hole on the lifting plate and is positioned below the fixing plate 31, and is movably arranged along the axial direction of the piston rod 11. The spring 32 is sleeved on the piston rod 11 of the elevation driving part 1, and the upper end of the spring 32 is connected to the fixed plate 31 and the lower end is connected to the elevation plate 34. The guide rods 33 have four and are all welded or screwed to the lifting plate 34 while being guided to be fitted in the guide holes of the fixed plate 31 and corresponding to four top corners of the fixed plate 31. The pressing plate 35 has two blocks, is fixed on the lower surface of the lifting plate 34 in bilateral symmetry, and is located on two sides of the shearing assembly 4, and when the spring 32 is in a natural state, the pressing plate 35 is located below the shearing assembly 4, and the spring 32 can move to the upper side of the shearing assembly 4 after being compressed.

During the paper cutting operation, the cylinder drives the piston rod 11 to move downwards, and in the process of moving downwards, the pressing plate 35 is firstly contacted with the paper, and the spring 32 compresses the paper to tightly press the paper. When the spring 32 contracts to a certain extent, the cutter mechanism comes into contact with the paper, cutting the paper.

In the process, the spring 32 provides integral pressure, so that the two pressing plates 35 can generate the same pressure, and the stability of pressing paper is improved; simultaneously clamp plate 35 direct mount is on lifter plate 34 to and spring 32 suit on piston rod 11 with the setting of guide bar 33, clamp plate 35 can not produce the problem of distortion, has further promoted the stability that compresses tightly the paper, promotes the utility model discloses the quality of cut paper.

It should be noted that, according to actual requirements, the lifting driving component may also be an oil cylinder.

In this embodiment, the guide bar 33 is further configured to: the upper end of each guide rod 33 is provided with a limit nut 311, the diameter of the limit nut 311 is larger than that of the guide hole on the fixing plate 31, and the problem that the upper end of the guide rod 33 is separated from the guide hole can be avoided. In this embodiment, the spring 32 is in its natural state and the lifter plate 34 can be supported on the shear assembly 4.

In this embodiment, the shearing module 4 is further configured to: the cutting assembly 4 includes a fixed die 41 and a cutting blade 44. The fixed mold 41 has a connecting sleeve 43 on the upper surface thereof, and the fixed mold 41 is mounted on the lower end of the piston rod 11 through the connecting sleeve 43, i.e. the connecting sleeve 43 is inserted into the piston rod 11 and then pressed by the bolt 431 or connected by screw fit. The cutter 44 is mounted on the fixed die 41.

In this embodiment, the cutter 44 is further configured to: the cutting blade 44 is detachably mounted on the fixed die 41 and has an upper cutting edge 442 and a lower cutting edge 441. Under this structure, can make and cut sword 442 and cut sword 441 change the use down, both save the cost, again can quick replacement cut the sword.

In this embodiment, the fitting structure of the cutting blade 44 and the fixed die 41 is further configured as follows: the lower surface of the fixed mold 41 is provided with a mounting groove 42, the inner walls of two sides of the mounting groove 42 are provided with fixing grooves, and one end of the mounting groove 42 penetrates through the side wall of the fixed mold 41; the cutting blade 44 has fixing bars 443 on both sides thereof to be fitted into the fixing grooves. When assembling the cutting knife 44, the cutting knife 44 is inserted into the mounting groove 42 from the side of the fixed mold 41, and then the fixing strip 443 is pressed into the fixing groove by the bolt; when the cutter 44 is detached, the bolt is loosened, and the cutter 44 is pulled out from the fixing groove.

In the present embodiment, in order to improve the structural strength of the fixed mold 41, a reinforcing rib 445 is provided between the connecting sleeve 43 and the upper surface of the fixed mold 41.

Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; 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 in specific cases to those skilled in the art.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fixing device is cuted to paper of paper cutter which characterized by: the device comprises a lifting driving part, a shearing assembly and a pressing assembly;

2. The paper cutting fixing device of the paper cutter according to claim 1, characterized in that: the guide rods are multiple and distributed on four top corners of the fixing plate, and the upper end of each guide rod is provided with a limiting nut.

3. The paper cutting fixing device of the paper cutter according to claim 1, characterized in that: the shearing assembly comprises a fixed die and a cutter;

the cutter is mounted on the fixed die.

4. The paper cutting fixing device of the paper cutter according to claim 3, characterized in that: the cutting knife is detachably mounted on the fixed die and has an upper cutting edge and a lower cutting edge.

5. The paper cutting fixing device of the paper cutter according to claim 4, wherein: the lower surface of the fixed die is provided with a mounting groove, and the inner walls of two sides of the mounting groove are provided with fixing grooves; the two sides of the cutter are provided with fixing strips which can be matched with the fixing grooves.