阅读说明：本技术 一种抚平吸尘式海绵立切机 (Smoothing dust absorption type sponge vertical cutting machine ) 是由 杨德双 于 2021-10-27 设计创作，主要内容包括：本发明公开了一种抚平吸尘式海绵立切机,属于海绵切割设备领域通过在现有数控立切机的基础上增设辅助件来解决海绵在切割时隆起的问题,同时吸收切割产生的灰尘,通过安装与刀带同步运动的辅助件让其在切割时能下压住海绵,有效防止刀带因推动作用而造成的海绵隆起,通过设置抚平吸尘环来圈住刀带,利用负压风扇工作时所产生的吸力来把切割时产生的灰尘吸收起来,并通过滤网的过滤作用将灰尘截留住,有效保护了环境和工人的健康,通过向气动打磨件中充气气体使带有打磨砂纸的粘接板将刀带夹住,并通过控制内管的上下运动来实现对刀带的打磨,有效提高切割效率。(The invention discloses a smoothing dust absorption type sponge vertical cutting machine, which belongs to the field of sponge cutting equipment and solves the problem of bulging of sponge during cutting by adding an auxiliary part on the basis of the existing numerical control vertical cutting machine, meanwhile, dust generated by cutting is absorbed, the auxiliary piece which moves synchronously with the knife belt is arranged to press the sponge downwards during cutting, the sponge bulge caused by the pushing action of the knife belt is effectively prevented, the utility model is provided with a smoothing dust absorption ring to enclose the knife belt, and absorbs the dust generated during cutting by the suction force generated during the work of the negative pressure fan, and the dust is retained by the filtering action of the filter screen, thereby effectively protecting the environment and the health of workers, the cutter belt is clamped by the bonding plate with the polishing sand paper through inflation gas in the pneumatic polishing piece, polishing of the cutter belt is achieved through controlling up-and-down movement of the inner pipe, and cutting efficiency is effectively improved.)

1. The utility model provides a smooth dust absorption formula sponge vertical cutting machine, includes numerical control vertical cutting machine body (1), including sword area (2) on numerical control vertical cutting machine body (1), its characterized in that: the numerical control vertical cutting machine is characterized in that an auxiliary part (3) is installed at a position, close to a cutter belt (2), of a main body (1) of the numerical control vertical cutting machine, the auxiliary part (3) and the cutter belt (2) are connected with a walking mechanism on the main body (1) of the numerical control vertical cutting machine at the same time, the auxiliary part (3) comprises an outer pipe (301) and an inner pipe (302), a pneumatic telescopic rod fixedly connected with the inner pipe (302) is installed inside the upper end of the outer pipe (301), a gas purification cavity (4) is formed inside the lower end of the inner pipe (302), one side, close to the cutter belt (2), of the gas purification cavity (4) is communicated with a smoothing dust collection ring (5), a plurality of ball grooves are formed in the lower end of the smoothing dust collection ring (5), smoothing balls (501) are movably embedded in each ball groove, a filtering piece (6) is connected to the inner wall of the gas purification cavity (4), and a negative pressure fan (7) is installed at an opening end, far away from the smoothing dust collection ring (5), of the gas purification cavity (4), air pump (8) are installed to the top of air purification chamber (4), and one side intercommunication that air pump (8) are close to sword area (2) has pneumatic piece (9) of polishing, pneumatic piece (9) of polishing are the U-shaped structure, airway (901) have been seted up to the inside of pneumatic piece (9) of polishing, the equal activity of both sides wall of the inboard of pneumatic piece (9) of polishing is inlayed and is had bond-linkage plate (902), and bonds on bond-linkage plate (902) and have the abrasive paper of polishing, fixedly connected with elastic connecting piece (903) between the inner wall of bond-linkage plate (902) and airway (901), elastic connecting piece (903) are network structure, and elastic connecting piece (903) adopt high elastic material, sword area (2) are run through simultaneously and are smoothed dust absorption ring (5) and pneumatic piece (9) of polishing.

2. The smoothing and dust-absorbing type sponge vertical cutting machine according to claim 1, characterized in that: the upper end of the smoothing dust absorption ring (5) is provided with a cavity communicated with the air purification cavity (4), and the inner side wall of the smoothing dust absorption ring (5) is fixedly embedded with a plurality of straws (502) arranged at equal intervals.

3. The smoothing and dust-absorbing type sponge vertical cutting machine according to claim 1, characterized in that: the smoothing dust absorption ring (5) is of a circular ring-shaped structure, and one section, far away from the inner pipe (302), of the smoothing dust absorption ring (5) is an open area.

4. The smoothing and dust-absorbing type sponge vertical cutting machine according to claim 1, characterized in that: the upper end inner wall fixedly connected with of air purification chamber (4) and the cassette that filters piece (6) matching, and filter and be connected through the mode of magnetism absorption between piece (6) and the cassette, inner tube (302) are located the lateral wall of filtering piece (6) below and have seted up the clearance mouth, and rotate on the clearance mouth and be connected with baffle (10), baffle (10) are connected with the lower extreme of inner tube (302) through the mode of magnetism absorption.

5. The smoothing and dust-absorbing type sponge vertical cutting machine according to claim 1, characterized in that: the filtering piece (6) is a through cylinder, and the inner wall of the filtering piece (6) is fixedly connected with a filter screen (601) with an opening facing the smoothing dust suction ring (5).

6. The smoothing and dust-absorbing type sponge vertical cutting machine according to claim 1, characterized in that: the outer pipe (301) is sleeved outside the inner pipe (302), and the outer pipe (301) is connected with the inner pipe (302) in a sliding mode.

7. The smoothing and dust-absorbing type sponge vertical cutting machine according to claim 1, characterized in that: and a connecting sealing cover is fixedly connected between the bonding plate (902) and the inner wall of the air duct (901).

8. The smoothing and dust-absorbing type sponge vertical cutting machine according to claim 1, characterized in that: the negative pressure fan (7), the air pump (8) and the starting telescopic rod are all connected with a PLC control system of the numerical control vertical cutting machine body (1).

Technical Field

The invention relates to the field of sponge cutting equipment, in particular to a smoothing and dust-absorption type sponge vertical cutting machine.

Background

Sponges, which are porous materials, have good water absorption and can be used to clean articles. Sponges commonly used by people are made of wood cellulose fibers or foamed plastic polymers. In addition, there are also natural sponges made of sponge animals, and most of the natural sponges are used for body cleaning or painting. In addition, there are three types of synthetic sponges made of other materials, low density polyether (non-absorbent sponge), polyvinyl alcohol (superabsorbent material, no significant air holes) and polyester, respectively.

The sponge needs to be cut during the production process to form a structure having a specific shape. The equipment required is a sponge cutter. The sponge cutting machine is divided into a manual sponge cutting machine and a numerical control sponge cutting machine. The manual sponge cutting machine is low in price, but the utilization rate of the sponge is low, and the operation is complex. The numerical control sponge cutting machine is moderate in price and simple and convenient to operate, and people who can use a computer generally can control the machine, so that the utilization rate of the sponge can be effectively improved.

The numerical control cutting machine that uses in the existing market is more, the numerical control cutting machine divide into truncation machine and found the cutter, truncation machine is used for coming the sponge cutting piece that just has been foamed, found the cutter and is used for surely going out specific shape with the sponge of having cut the piece, numerical control found the cutter structure at present all fairly simplely, mainly rely on a sword area that can freely move to accomplish the cutting, but when cutting the sponge piece that is folding together, cause the sponge piece uplift easily at the in-process that the sword area was walked forward, lead to cutting shape to warp, still additionally need the workman to go with the plank to flatten, so not only increased workman's working strength, degree of automation has been reduced, and the plank collides easily with the sword area and leads to its damage, produce the dust easily in addition when cutting the sponge of some fibre class.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a smoothing dust absorption type sponge vertical cutting machine, which solves the problem of sponge bulging during cutting by adding an auxiliary part on the basis of the existing numerical control vertical cutting machine, simultaneously absorbs dust generated during cutting, can press the sponge downwards during cutting by installing the auxiliary part which moves synchronously with a knife belt, effectively prevents the sponge bulging of the knife belt due to the pushing action, encircles the knife belt by arranging a smoothing dust absorption ring, absorbs the dust generated during cutting by using the suction force generated during the working of a negative pressure fan, and intercepts the dust by the filtering action of a filter screen, effectively protects the environment and the health of workers, clamps the knife belt by an adhesive plate with grinding through charging air into pneumatic grinding paper, and realizes the grinding of the knife belt by controlling the up-and-down movement of an inner pipe, effectively improve cutting efficiency.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A smoothing dust absorption type sponge vertical cutting machine comprises a numerical control vertical cutting machine body, wherein a cutter belt is arranged on the numerical control vertical cutting machine body, an auxiliary part is arranged at a position, close to the cutter belt, of the numerical control vertical cutting machine body, the auxiliary part and the cutter belt are simultaneously connected with a walking mechanism on the numerical control vertical cutting machine body, the auxiliary part comprises an outer pipe and an inner pipe, a pneumatic telescopic rod fixedly connected with the inner pipe is arranged inside the upper end of the outer pipe, a gas purification cavity is formed inside the lower end of the inner pipe, one side, close to the cutter belt, of the gas purification cavity is communicated with a smoothing dust absorption ring, a plurality of ball grooves are formed in the lower end of the smoothing dust absorption ring, smoothing balls are movably embedded in each ball groove, a filtering piece is connected to the inner wall of the gas purification cavity, a negative pressure fan is installed at the opening end, far away from the smoothing dust absorption ring, of the gas purification cavity, an air pump is installed above the gas purification cavity, and one side, close to the cutter belt, of the air pump is communicated with the pneumatic polishing piece, the cutter belt penetrates through the smoothing dust suction ring and the pneumatic grinding piece simultaneously.

Further, the upper end of the smoothing dust absorption ring is provided with a cavity communicated with the air purification cavity, the inner side wall of the smoothing dust absorption ring is fixedly inlaid with a plurality of straws arranged at equal intervals, when the negative pressure fan starts to work, the negative pressure fan enables the inner part of the air purification cavity to generate a negative pressure environment, dust generated by cutting is sucked into the smoothing dust absorption ring through the straws, and the dust is collected in the air purification cavity.

Further, it is the ring form structure to smooth the dust absorption ring, and smooths one section that the dust absorption ring kept away from the inner tube and be open region, is in order to set aside the region of stepping down for the sword area like this to make things convenient for the change or the maintenance of sword area.

Further, pneumatic piece of polishing is the U-shaped structure, the air duct has been seted up to the inside of pneumatic piece of polishing, the equal activity of the both sides wall of the inboard of pneumatic piece of polishing is inlayed and is had the splice plate, and bonds on the splice plate and have the abrasive paper of polishing, fixedly connected with elastic connection spare between the inner wall of splice plate and air duct starts the air pump and fills gaseously to the inside of air duct, and the splice plate is pushed away under the effect of atmospheric pressure to make two splice plates will be in the middle sword area and clip, the up-and-down motion of cooperation inner tube realizes polishing of degree sword area.

Furthermore, the elastic connecting piece is of a net structure, the net structure is used for not blocking the gas filling, the elastic connecting piece is made of a high-elasticity material, and the elasticity can enable the bonding plate to reset on one hand and play a role in connection on the other hand.

Further, the upper end inner wall fixedly connected with of air purification chamber and the cassette of filtering a matching, and filter and be connected through the mode of magnetism adsorption between the cassette, the inner tube is located the lateral wall of filtering a below and has seted up the clearance mouth, and rotates on the clearance mouth and be connected with the baffle, the baffle is connected with the lower extreme of inner tube through the mode through magnetism adsorption, can be convenient for take out the dust of filtering on the piece clearance filter screen through opening the baffle.

Furthermore, filter the piece for the drum that link up, and filter the inner wall fixedly connected with opening of piece and smooth the filter screen that the dust absorption ring set up, the dust that is inhaled is given after the filter screen filters and is held back, can not discharge in the outside air like this and cause the pollution.

Further, the outer pipe sleeve is arranged outside the inner pipe, the outer pipe is connected with the inner pipe in a sliding mode, the inner pipe can move up and down under the control of the pneumatic telescopic rod, the smoothing dust absorption ring can be pressed above the sponge, and the bonding plate can be used for polishing the knife belt.

Furthermore, a connection sealing cover is fixedly connected between the bonding plate and the inner wall of the air duct, so that the sealing performance in the air duct is ensured, and air leakage during inflation is prevented.

Furthermore, the negative pressure fan, the air pump and the starting telescopic rod are all connected with a PLC control system of the numerical control vertical cutting machine body, the starting of the three is controlled by the PLC control system of the numerical control vertical cutting machine body, and the work of the three is not affected.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through add the auxiliary member on current numerical control vertical cutting machine's basis and solve the problem that the sponge was uplifted when the cutting, absorb the dust that the cutting produced simultaneously, the auxiliary member through installation and sword area simultaneous movement lets it can push down the sponge when the cutting, effectively prevent the sword area because of the sponge uplift that the pushing action caused, it encloses the sword area to pacify the dust absorption ring through setting up, the dust that produces when utilizing the negative pressure fan during operation comes to absorb the cutting, and the filter action through the filter screen catches the dust, environment and workman's health has effectively been protected, it makes the bonding board that has the abrasive paper of polishing clip the sword area to aerify gas in the piece to pneumatic polishing, and the up-and-down motion through the control inner tube realizes polishing to the sword area, effectively improve cutting efficiency.

(2) The upper end of the smoothing dust absorption ring is provided with a cavity communicated with the air purification cavity, the inner side wall of the smoothing dust absorption ring is fixedly inlaid with a plurality of straws arranged at equal intervals, when the negative pressure fan starts to work, the negative pressure fan enables the inner part of the air purification cavity to generate a negative pressure environment, the dust generated by cutting is sucked into the smoothing dust absorption ring by the straws, and the dust is collected in the air purification cavity.

(3) The smoothing dust absorption ring is of a circular ring-shaped structure, and one section of the smoothing dust absorption ring, which is far away from the inner pipe, is an open area, so that a yielding area is reserved for the knife belt, and the knife belt is convenient to replace or maintain.

(4) Pneumatic piece of polishing is the U-shaped structure, the air duct has been seted up to the inside of pneumatic piece of polishing, the equal activity of the both sides wall of the inboard of pneumatic piece of polishing is inlayed and is had the splice plate, and it has the abrasive paper of polishing to bond on the splice plate, fixedly connected with elastic connection spare between the inner wall of splice plate and air duct, start the air pump and fill gas to the inside of air duct, the splice plate is pushed away under the effect of atmospheric pressure, thereby make two splice plates will be in the middle sword area and clip, the up-and-down motion of cooperation inner tube realizes polishing of degree sword area.

(5) The elastic connecting piece is of a net structure, the net structure is used for not blocking the gas filling, the elastic connecting piece is made of a high-elasticity material, and the elasticity can enable the bonding plate to reset on one hand and play a role in connection on the other hand.

(6) The upper end inner wall fixedly connected with of air purification chamber and the cassette that filters the piece matching, and filter and be connected through the mode of magnetism absorption between the cassette, the inner tube is located the lateral wall of filtering the piece below and has seted up the clearance mouth, and rotates on the clearance mouth and be connected with the baffle, and the baffle is connected with the lower extreme of inner tube through the mode through magnetism absorption, can be convenient for take out through opening the baffle and filter the dust on the clearance filter screen.

(7) The filter piece is a through cylinder, the opening of the inner wall of the filter piece is fixedly connected with a filter screen which is arranged towards the smoothing dust absorption ring, and the sucked dust is intercepted after being filtered by the filter screen, so that the dust cannot be discharged into the outside air to cause pollution.

(8) The outer pipe sleeve is arranged outside the inner pipe, the outer pipe is connected with the inner pipe in a sliding mode, the inner pipe can move up and down under the control of the pneumatic telescopic rod, the smoothing dust collection ring can be pressed above the sponge, and the adhesive plate can be polished to the cutter tape.

(9) The connection sealing cover is fixedly connected between the bonding plate and the inner wall of the air duct, so that the sealing performance in the air duct is ensured, and air leakage during inflation is prevented.

(10) The negative pressure fan, the air pump and the starting telescopic rod are all connected with the PLC control system of the numerical control vertical cutting machine body, the starting of the three is controlled by the PLC control system of the numerical control vertical cutting machine body, and the work among the three does not influence each other.

Drawings

FIG. 1 is a schematic view of a prior art numerically controlled vertical cutting machine;

FIG. 2 is a schematic view of a numerically controlled vertical cutting machine according to the present invention;

FIG. 3 is a perspective view of the auxiliary of the present invention;

FIG. 4 is a schematic front view of the present invention;

FIG. 5 is a schematic cross-sectional view of an auxiliary element of the present invention;

FIG. 6 is a schematic cross-sectional view of a filter element of the present invention;

FIG. 7 is a schematic top cross-sectional view of a smoothing suction ring of the present invention;

FIG. 8 is a schematic bottom cross-sectional view of a smoothing suction ring of the present invention;

FIG. 9 is a schematic top cross-sectional view of a pneumatic sanding element of the present invention;

figure 10 is a schematic view of a pneumatic sanding element of the present invention after inflation.

The reference numbers in the figures illustrate:

the numerical control vertical cutting machine comprises a numerical control vertical cutting machine body, a knife belt 2, an auxiliary part 3, an outer pipe 301, an inner pipe 302, a gas purification chamber 4, a smoothing dust absorption ring 5, a smoothing ball 501, a suction pipe 502, a filtering part 6, a filtering net 601, a negative pressure fan 7, an air pump 8, a pneumatic polishing part 9, an air duct 901, an adhesive plate 902, an elastic connecting part 903 and a baffle 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-10, a smoothing dust-absorption type sponge vertical cutting machine comprises a numerical control vertical cutting machine body 1, referring to fig. 1-4, the numerical control vertical cutting machine body 1 comprises a knife belt 2, an auxiliary part 3 is installed at a position of the numerical control vertical cutting machine body 1 close to the knife belt 2, the auxiliary part 3 and the knife belt 2 are simultaneously connected with a walking mechanism (known by the technicians in the field) on the numerical control vertical cutting machine body 1, the auxiliary part 3 comprises an outer pipe 301 and an inner pipe 302, a pneumatic telescopic rod (known by the technicians in the field, and the specific model can be selected according to the actual requirement) fixedly connected with the inner pipe 302 is installed inside the upper end of the outer pipe 301, the outer pipe 301 is sleeved outside the inner pipe 302, the outer pipe 301 is slidably connected with the inner pipe 302, the inner pipe 302 can move up and down by the control of the pneumatic telescopic rod, a smoothing dust-absorption ring 5 can be pressed above a sponge, the adhesive plate 902 can also polish the knife belt 2;

referring to fig. 5, a clean air cavity 4 is formed in the lower end of the inner tube 302, a clamping seat matched with the filtering element 6 is fixedly connected to the inner wall of the upper end of the clean air cavity 4, the filtering element 6 is connected with the clamping seat in a magnetic adsorption manner, a cleaning port is formed in the side wall of the inner tube 302 below the filtering element 6, a baffle 10 is rotatably connected to the cleaning port, the baffle 10 is connected with the lower end of the inner tube 302 in a magnetic adsorption manner, and the dust on the filter screen 601 cleaned by the filtering element 6 can be conveniently taken out by opening the baffle 10;

referring to fig. 5, 7 and 8, a smoothing dust absorption ring 5 is communicated with one side of the air purification chamber 4 close to the knife belt 2, a plurality of ball grooves are formed at the lower end of the smoothing dust absorption ring 5, and a smoothing ball 501 is movably embedded in each ball groove, the upper end of the smoothing dust absorption ring 5 is provided with a cavity communicated with the clean air cavity 4, the inner side wall of the smoothing dust absorption ring 5 is fixedly embedded with a plurality of straws 502 arranged at equal intervals, when the negative pressure fan 7 is started to work, the negative pressure fan 7 enables the inside of the air purifying cavity 4 to generate a negative pressure environment, dust generated by cutting is sucked into the smoothing dust absorption ring 5 through the suction pipe 502, the dust further enters the air purifying cavity 4 to be collected, the smoothing dust absorption ring 5 is of a circular ring-shaped structure, a section of the smoothing dust suction ring 5 away from the inner pipe 302 is an open area, so that a yielding area is reserved for the cutter belt 2, and replacement or maintenance of the cutter belt 2 is facilitated;

referring to fig. 6, the inner wall of the air purifying chamber 4 is connected with a filtering member 6, the filtering member 6 is a through cylinder, and the inner wall of the filtering member 6 is fixedly connected with a filter screen 601 having an opening facing the smoothing dust suction ring 5, so that the sucked dust is filtered by the filter screen 601 and then trapped, and thus the dust is not discharged into the outside air to cause pollution;

please refer to fig. 5, 9, and 10, a negative pressure fan 7 (prior art, specific model can be selected according to actual requirement) is installed at an opening end of the air purification chamber 4 far from the smoothing dust absorption ring 5, an air pump 8 (prior art, specific model can be selected according to actual requirement) is installed above the air purification chamber 4, the negative pressure fan 7, the air pump 8 and the starting telescopic rod are all connected with the PLC control system of the numerical control vertical cutting machine body 1 (the control method is known by those skilled in the art, and detailed description is omitted here), the starting of the three is controlled by the PLC control system of the numerical control vertical cutting machine body 1, the work of the three is not affected each other, one side of the air pump 8 near the knife belt 2 is communicated with a pneumatic polishing member 9, the knife belt 2 penetrates through the smoothing dust absorption ring 5 and the pneumatic polishing member 9 at the same time, the pneumatic polishing member 9 is of U-shaped structure, an air duct 901 is formed inside the pneumatic polishing member 9, an adhesive plate 902 is movably embedded in two side walls of the inner side of the pneumatic grinding piece 9, a connecting sealing cover is fixedly connected between the adhesive plate 902 and the inner wall of the air duct 901, so as to ensure the sealing performance of the inner part of the air duct 901 and prevent air leakage during inflation, grinding abrasive paper is adhered on the adhesive plate 902, an elastic connecting piece 903 is fixedly connected between the adhesive plate 902 and the inner wall of the air duct 901, an air pump 8 is started to fill air into the air duct 901, the adhesive plate 902 is ejected out under the action of air pressure, so that the two adhesive plates 902 clamp the knife belt 2 in the middle, grinding of the knife belt 2 is realized by matching with the up-and-down movement of the inner pipe 302, the elastic connecting piece 903 is of a net-shaped structure, the net-shaped structure is used for not blocking the filling of the air, and the elastic connecting piece 903 is made of a high-elasticity material (preferably a polyurethane material, or other materials can be selected according to actual requirements), the elasticity allows the adhesive sheet 902 to reset on the one hand and to act as a connection on the other hand.

The working principle of the device is as follows: when the knife belt 2 is in a cutting state, the pneumatic telescopic rod is started to enable the inner tube 302 to move downwards until the smoothing ball 501 presses the upper surface of the sponge, so that when the knife belt 2 cuts the sponge, the smoothing ball 501 can smooth the bulged sponge, the cutting is not affected, the auxiliary part 3 moves along with the knife belt 2, the negative pressure fan 7 is started through the PLC control system, a negative pressure environment is generated inside the air purifying chamber 4 through the negative pressure fan 7, the dust generated by cutting is sucked into the smoothing dust suction ring 5 through the suction pipe 502, the sucked dust is filtered through the filter screen 601 and then is intercepted, the dust is not discharged into the outside air and causes pollution, when the knife belt 2 needs to be polished, the knife belt 2 is in a working state, then the pneumatic telescopic rod is used for enabling the inner tube 302 to drive the pneumatic polishing part 9 to move downwards, and meanwhile the air pump 8 is started to inflate the pneumatic polishing part 9, the adhesive plates 902 are ejected by the air pressure so that the two adhesive plates 902 sandwich the knife strip 2 therebetween, and since the knife strip 2 is reciprocated during operation, the sanding paper on the adhesive plates 902 can sand the knife strip.

The problem that the sponge is raised when cutting is solved by additionally arranging the auxiliary piece 3 on the basis of the existing numerical control vertical cutting machine, dust generated by cutting is absorbed simultaneously, the auxiliary piece 3 synchronously moving with the knife belt 2 through installation enables the auxiliary piece to press the sponge when cutting, the sponge raising caused by the pushing action of the knife belt 2 is effectively prevented, the knife belt 2 is enclosed by arranging the smoothing dust absorption ring 5, the dust generated when cutting is absorbed by utilizing the suction generated when the negative pressure fan 7 works, the dust is retained by the filtering action of the filter screen 601, the environment and the health of workers are effectively protected, the splicing plate 902 with the polishing abrasive paper clamps the knife belt 2 by inflating gas into the pneumatic polishing piece 9, the polishing of the knife belt 2 is realized by controlling the up-and-down movement of the inner pipe 302, and the cutting efficiency is effectively improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.