Paper cutting machine capable of rapidly replacing blade

Abstract

The utility model relates to the technical field of paper cutting machines, in particular to a paper cutting machine with a blade capable of being replaced quickly, which comprises a bottom plate and a U-shaped frame, electric push rods are mounted on two sides of the top of the U-shaped frame, the bottom ends of the two electric push rods are jointly connected with a moving block, a knife rest is arranged below the moving block, a knife groove is formed in the lower end face of the knife rest, and a blade is arranged in the knife groove. A cutter groove is formed in the front side of the cutter frame, a cutter body is arranged in the cutter groove, a limiting mechanism is arranged on the front side of the cutter frame and comprises two limiting rods, the two ends of the front side of the cutter frame are each provided with the two limiting rods, and the two ends of the front side of the cutter body are each provided with two limiting holes. One end of each limiting rod penetrates through the front side of the knife rest and extends into the corresponding limiting hole, the other end of each limiting rod is connected with a connecting plate, a spring is arranged between the two limiting rods, and a handle is connected to the outer side of each connecting plate. Through cooperation of the structure, the purpose of rapidly replacing the cutter body is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the paper cutting machine technical field, concretely relates to a paper cutting machine of quick replacement blade. BACKGROUND

[0002] The paper cutting machine is a traditional product, and is a mechanical equipment for processing paper cutting in the later stage of printing. It has experienced the evolution process from a mechanical paper cutting machine to a magnetic tape control type paper cutting machine, and then to a microcomputer program control, color display, full image operation guidance visual processing and computer aided cutting system. The modern paper cutting machine has shorter production preparation time, higher cutting precision, lower labor intensity, and safer operation.

[0003] At present, the paper cutting machine for paper production is usually integrated with the knife holder when the paper cutting knife is used in practice, so that the paper cutting knife cannot be replaced or is inconvenient to disassemble. With the increase of the use time of the paper cutting knife, the paper cutting knife will be gradually worn and blunt, and the whole cutter needs to be replaced. This operation is relatively complex, the replacement time is relatively long, and the practicality is not strong. The paper cutting machine with quick replacement blade is provided to alleviate the above-mentioned problems. SUMMARY

[0004] The utility model discloses through the cooperation of limiting rod, first clamping groove, second clamping groove and other structures, make first clamping groove and clamping block separate, second clamping groove and clamping plate separate, and limiting rod is separated from the inside of limiting hole, realize the purpose of quick replacement cutting tool body.

[0005] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme:

[0006] A paper cutting machine with quick replacement blade, including the bottom plate, the bottom plate upper surface installs the U type frame, both sides of the U type frame top are installed with electric push rod, it still includes, two electric push rod bottom ends are all commonly connected with the moving block, the moving block below is equipped with the knife rest, the knife rest lower end face is equipped with the knife groove, the knife groove is equipped with the cutting tool body, the knife rest front side is provided with the limiting mechanism, the limiting mechanism includes two limiting rods, the both ends of the knife rest front side are provided with two limiting rods, the both ends of the cutting tool body front side are equipped with two limiting holes, the limiting rod one end passes through the knife rest front side and extends into the limiting hole inside, two limiting rods the other end is all connected with a connecting plate, the spring is set up between two limiting rods, the connecting plate outside connects with the handle.

[0007] Preferably, the cutting tool body front and back surfaces are provided with limiting grooves, the inner wall of the knife groove is provided with a limiting block, the top of the knife rest is provided with a clamping block, the clamping block is provided with a plurality of clamping blocks at equal intervals, the moving block side is provided with a first clamping groove matched with the clamping block, the bottom of the moving block away from the clamping block side is provided with a second clamping groove, and the rear side of the knife rest is provided with a clamping plate.

[0008] Preferably, the second clamping groove horizontal section is provided with a through hole penetrating through the second clamping groove at both ends, and the through hole is internally provided with a stud bolt.

[0009] Preferably, the cutter body is provided with an obliquely arranged hole position, a plurality of hole positions are equidistantly distributed, and a circular small hole is formed at one end of the hole position.

[0010] Preferably, the moving block is connected with a sliding block at both ends, and the inner side wall of the U-shaped frame is provided with a sliding groove matched with the sliding block.

[0011] Compared with the prior art, the gain effect of the utility model is:

[0012] 1. By disassembling the stud bolt between the second clamping groove and the clamping plate, and pushing the cutter holder forward until the first clamping groove and the clamping block are separated, the second clamping groove and the clamping plate are separated, the cutter holder is disassembled, then the handle is pulled outward, the connecting plate is driven to move outward, until the limiting rod is separated from the limiting hole and the spring is stretched, and finally the cutter body is taken off from the bottom end of the cutter holder, avoiding using too many screws and stud bolts for installation, and without the need for overall replacement, the cutter body can be quickly disassembled, and the cost consumption is reduced.

[0013] 2. By setting the circular small hole and the hole position, different sizes of local spaces are formed on the cutter body, which can effectively weaken the vibration force generated during cutting, and improve the service life of the cutter body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of the utility model embodiment;

[0015] Figure 2 is a structure schematic view of the moving block, the cutter holder and the cutter body of the utility model embodiment;

[0016] Figure 3 is an explosion view of the moving block, the cutter holder and the cutter body of the utility model embodiment;

[0017] Figure 4 is a structure schematic view of the second clamping groove and the stud bolt of the utility model embodiment;

[0018] Figure 5 is a partial sectional view of the limiting rod, the connecting plate and the spring of the utility model embodiment.

[0019] In the figure: base plate 1; U-shaped frame 2; electric push rod 3; moving block 4; tool holder 5; cutter body 6; first clamping groove 7; clamping block 8; second clamping groove 9; clamping plate 10; cutter groove 11; limiting groove 12; double-headed bolt 13; through hole 14; limiting rod 15; connecting plate 16; handle 17; spring 18; limiting hole 19; sliding groove 20; sliding block 21; hole site 22; circular small hole 23; limiting block 24. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be further described below in combination with the drawings and specific embodiments.

[0021] EMBODIMENT

[0022] The features and exemplary embodiments of each aspect of the utility model will be described in detail below, in order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model will be further described in detail below in combination with the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain the utility model and are not configured to limit the utility model. For those skilled in the art, the utility model can be implemented without some of these specific details. The description of the embodiments below is only to provide a better understanding of the utility model by showing examples of the utility model.

[0023] The orientation words appearing in the following description are the directions shown in the drawings, and are not limited to the specific structure of the utility model. In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances; the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0024] The utility model will be further described in detail below in combination with the drawings and specific embodiments, which is convenient for more clearly understanding the utility model.

[0025] Please refer to Figures 1-5The utility model provides a paper cutter of quick replacement blade, including bottom plate 1, the upper surface of bottom plate 1 is fixedly installed with U type frame 2, both sides of U type frame 2 top are fixedly installed with electric push rod 3, and the bottom of two electric push rods 3 all penetrates U type frame 2, and is connected with moving block 4 in common, and the lower of moving block 4 is provided with tool rest 5, and the lower end surface of tool rest 5 is seted up with cutter groove 11, and the inside of cutter groove 11 is movably provided with cutter body 6, and the bottom of cutter body 6 extends to the outside of tool rest 5, and the front and back of cutter body 6 inside cutter groove 11 are all seted up with limit slot 12, and the inside wall of cutter groove 11 is fixedly provided with limit slot 12 and the limit block 24 of adaptation, and the front of tool rest 5 is provided with limit mechanism.

[0026] Please see Figures 1-5 The both ends of moving block 4 are fixedly connected with sliding block 21, and the inner side wall of U type frame 2 is seted up with sliding groove 20 matched with sliding block 21, and sliding groove 20 and sliding block 21 are slidably connected.

[0027] Please see Figures 1-5 The limit mechanism includes two limit rods 15, and the both ends of the front of tool rest 5 are provided with two limit rods 15, and the both ends of the front of cutter body 6 are seted up with two limit holes 19, and one end of limit rod 15 passes through the front of tool rest 5 and extends into the inside of limit hole 19, and the other end of two limit rods 15 is fixedly connected with one connecting plate 16, and spring 18 is arranged between two limit rods 15, and the both ends of spring 18 are fixedly connected with the front of tool rest 5 and the inner side of connecting plate 16 respectively, and the outer side of connecting plate 16 is fixedly connected with handle 17, so as to conveniently limit and fix tool rest 5 and cutter body 6, and also facilitate replacement.

[0028] Please see Figures 1-5 The top of tool rest 5 is fixedly provided with clamping block 8, and clamping block 8 is seted up with several equal intervals, and one side of moving block 4 is seted up with first clamping groove 7 matched with clamping block 8, and first clamping groove 7 and clamping block 8 form clamping connection, and the bottom of the side of moving block 4 away from clamping block 8 is fixedly installed with second clamping groove 9, and the rear of tool rest 5 is fixedly installed with clamping plate 10, and clamping plate 10 and second clamping groove 9 form clamping connection, and the both ends of horizontal section of second clamping groove 9 are seted up with through hole 14 penetrating second clamping groove 9, and the inside of through hole 14 is provided with stud bolt 13, and clamping plate 10 is fixedly connected with second clamping groove 9 through stud bolt 13.

[0029] Please see Figures 1-5The cutter body 6 is provided with obliquely arranged hole positions 22, and a plurality of hole positions 22 are distributed at equal intervals, and a circular small hole 23 is arranged on the cutter body 6 at one end of the hole positions 22; different sizes of local spaces are formed through the circular small hole 23 and the hole positions 22, which can effectively reduce the vibration force generated during cutting and improve the service life of the cutter body 6.

[0030] Working principle: when the cutter body 6 is used for a long time and needs to be replaced, first, the double-headed bolt 13 between the second clamping groove 9 and the clamping plate 10 is disassembled, and the cutter holder 5 is pushed forward until the first clamping groove 7 is separated from the clamping block 8, the second clamping groove 9 is separated from the clamping plate 10, and the connection between the moving block 4 and the cutter holder 5 is released, so that the cutter holder 5 is disassembled; then the handle 17 is pulled outwards, the handle 17 drives the connecting plate 16 to move outward until the connecting plate 16 drives the limiting rod 15 to disengage from the limiting hole 19 inside, and at the same time, the spring 18 is stretched, finally the cutter body 6 is taken off from the bottom end of the cutter holder 5, a new cutter body 6 is inserted into the cutter groove 11; the handle 17 is loosened, the limiting rod 15 is clamped into the limiting hole 19 on the new cutter body 6 under the elastic force of the spring 18, and then the cutter holder 5 is installed on the moving block 4, so that the replacement of the cutter body 6 is realized.

Claims

1. A quick-change blade paper cutter, comprising a base plate (1), a U-shaped frame (2) is mounted on the upper surface of the base plate (1), and an electric push rod (3) is mounted on both sides of the top of the U-shaped frame (2), characterized in that, Both bottom ends of the two electric push rods (3) are commonly connected with a moving block (4), a tool rest (5) is arranged below the moving block (4), a tool groove (11) is arranged on the lower end face of the tool rest (5), a cutter body (6) is arranged in the tool groove (11), a limiting mechanism is arranged on the front side of the tool rest (5), the limiting mechanism comprises two limiting rods (15), two limiting rods (15) are arranged on the two ends of the front side of the tool rest (5), two limiting holes (19) are arranged on the two ends of the front side of the cutter body (6), one end of the limiting rod (15) penetrates through the front side of the tool rest (5) and extends into the limiting hole (19), one connecting plate (16) is connected to the other end of the two limiting rods (15), a spring (18) is arranged between the two limiting rods (15), and a handle (17) is connected to the outer side of the connecting plate (16).

2. A quick-change blade paper cutter as claimed in claim 1, wherein, Limiting grooves (12) are arranged on the front and back faces of the cutter body (6), limiting blocks (24) are arranged on the inner walls of the tool groove (11), a clamping block (8) is arranged on the top of the tool rest (5), a plurality of clamping blocks (8) are arranged at equal intervals, a first clamping groove (7) matched with the clamping block (8) is arranged on one side of the moving block (4), a second clamping groove (9) is arranged on the bottom of the side of the moving block (4) away from the clamping block (8), and a clamping plate (10) is arranged on the rear side of the tool rest (5).

3. A quick-change blade paper cutter as claimed in claim 2, wherein, Through holes (14) penetrating through the second clamping groove (9) are arranged at the two ends of the horizontal section of the second clamping groove (9), and double-headed bolts (13) are arranged in the through holes (14).

4. The quick-change blade paper cutter of claim 1, wherein, Hole positions (22) arranged at an inclination are arranged on the cutter body (6), a plurality of hole positions (22) are arranged at equal intervals, and a circular small hole (23) is arranged on the cutter body (6) at one end of the hole position (22).

5. The quick-change blade paper cutter of claim 1, wherein, Sliding blocks (21) are connected to the two ends of the moving block (4), and sliding grooves (20) matched with the sliding blocks (21) are arranged on the inner walls of the U-shaped frame (2).

Images