CN213829141U - Dust suction device of corrugated board slitting machine - Google Patents

Abstract

The application relates to a dust suction device of a corrugated board slitting machine, and relates to the technical field of corrugated board processing. The existing slitting machine for processing corrugated boards is generally provided with a dust suction device, and the dust suction device comprises a dust suction cover, an air suction pump and an air conveying pipe connected between the dust suction cover and the air suction pump. Usually, the air pump is manually controlled to be turned on and off by a worker, and after the corrugated board is cut, the situation that the worker forgets to turn off the air pump may occur, so that resource waste is caused. This application includes four suction hoods, aspiration pump, connects gas-supply pipe between suction hood and aspiration pump, the distance sensor that the platform set up is cut to the orientation, and distance sensor is connected with the aspiration pump electricity. The distance sensor can detect whether the corrugated board exists on the cutting table or not, and if the corrugated board exists, the distance sensor transmits an electric signal to the air pump to control the air pump to operate; if no corrugated board is detected on the cutting table, the distance sensor controls the air extracting pump to be in a stop state.

Description

Dust suction device of corrugated board slitting machine

Technical Field

The application relates to the field of corrugated board processing, in particular to a dust suction device of a corrugated board slitting machine.

Background

Corrugated cardboard is a plate-shaped object formed by bonding liner paper and corrugated paper formed by processing corrugated rollers, is generally divided into single corrugated cardboard and double corrugated cardboard, and is widely applied to the field of commodity packaging. After the corrugated board is bonded, the corrugated board generally needs to be cut transversely and longitudinally, so that the corrugated board with standard size is formed, and the carton is convenient to manufacture.

Referring to fig. 1, a slitting machine 1 for longitudinally slitting corrugated boards comprises a slitting table 11, supporting vertical plates 12 arranged on two sides of the upper end of the slitting table 11, a supporting flat plate 13 erected on the upper ends of the two supporting vertical plates 12, a slitting device 14 capable of lifting and moving, and a dust suction device (not shown in the figure) for cleaning cutting scraps. The cutting device 14 comprises a rotating shaft 142 which is horizontally and rotatably arranged, four longitudinal cutters 143 which are clamped on the rotating shaft 142, and a motor 144, wherein the motor 144 drives the rotating shaft 142 to rotate around the axis thereof in a gear transmission manner. Four avoiding grooves 111 are formed in the upper end of the cutting table 11, the avoiding grooves 111 correspond to the longitudinal cutters 143 one to one, and the avoiding grooves 111 are located right below the longitudinal cutters 143. The suction device (not shown) typically includes a suction pump (not shown) capable of sucking and discharging the paper dust on the cutting table 11 to another place.

In view of the above-mentioned related technologies, the inventor thinks that the opening and closing state of the air pump is generally controlled by a worker manually, the worker needs to open the air pump in advance before cutting the corrugated board, and needs to close the air pump after cutting, and the situation that the worker forgets to close the air pump after cutting may occur, thereby causing resource waste.

SUMMERY OF THE UTILITY MODEL

In order to avoid appearing the condition that the staff forgets to close the aspiration pump as far as possible, this application provides a corrugated container board slitter's dust extraction.

The application provides a corrugated container board slitter's dust extraction adopts following technical scheme:

the utility model provides a dust extraction of corrugated container board slitter, includes suction hood, aspiration pump, connects the gas-supply pipe between suction hood and aspiration pump, is used for detecting whether there is corrugated container board and controls the distance sensor of aspiration pump operation or shut down according to the testing result on cutting the platform, and distance sensor and aspiration pump electricity are connected.

By adopting the technical scheme, the distance sensor faces the cutting table and is close to the longitudinal cutter, when the corrugated board is conveyed to the longitudinal cutter, the distance sensor detects the corrugated board, so that an electric signal is transmitted to the air suction pump, the air suction pump works, and paper scraps generated during cutting enter the air conveying pipe along with air and are then discharged through the air suction pump; after the corrugated board is cut, the distance sensor detects that the corrugated board leaves, and the distance sensor transmits an electric signal to the air pump to control the air pump to stop; through setting up distance sensor, realize the automatic control to the aspiration pump state of opening and close, reduce staff's work load, avoid appearing the staff and forget the condition that closes the aspiration pump and cause the wasting of resources.

Optionally, a filter screen is arranged in the dust hood.

Through adopting above-mentioned technical scheme, corrugated container board cuts the wastepaper impurity size difference that the in-process produced, and some are the paper limit of rectangular shape, and some are for less scraps of paper, and what be still is graininess paper end, the filter screen of suction hood department mainly used reduces the paper limit and gets into the gas-supply pipe, avoids appearing the condition that the paper limit blockked up the gas-supply pipe as far as, is favorable to making dust extraction normal operating.

Optionally, a filter screen bag is arranged in the gas pipe, and the mesh number of the filter screen bag is larger than that of the filter screen.

Through adopting above-mentioned technical scheme, filter screen bag mainly used filter scraps of paper and partial paper end, because filter screen bag's hindrance effect, scraps of paper and the great paper end of volume can be detained in filter screen bag, reduces scraps of paper and paper end and discharges to operational environment through the aspiration pump in, reduces the pollution to operational environment.

Optionally, the filter mesh bag is detachably arranged in the gas pipe.

Through adopting above-mentioned technical scheme, dust extraction is after long-time work, and the wastepaper of collecting in the filter screen bag is more gradually changed, and the setting can be dismantled to the filter screen bag, and the staff of being convenient for in time tears out the filter screen bag and clear up the wastepaper wherein to continue to use.

Optionally, a gas-dust separation assembly is arranged in the gas pipe, the gas-dust separation assembly is closer to the air pump than the filter mesh bag, the gas-dust separation assembly comprises a separation disc and a dust collection box for collecting separated dust, a plurality of airflow diversion holes penetrating through the separation disc are formed in the separation disc, and the axis of the airflow diversion holes is not parallel to the axis of the gas pipe; the gas pipe is provided with a dust blanking port which is positioned below the separating disc, and the dust collecting box is arranged at the lower end of the dust blanking port.

Through adopting above-mentioned technical scheme, the air is after the filter screen bag, still mix with the paper end that partial volume is less in the air, and when the air current diversion hole of air process separating disc, the direction of delivery of air changes rapidly, and the paper end in the air is because the inertia effect striking is on the separating disc, then drops to the dust collection box of below through the dust blanking mouth under self action of gravity to further reduce the paper end and discharge to operational environment in.

Optionally, the separation disc is detachably arranged in the gas pipe.

Through adopting above-mentioned technical scheme, gas dust separating assembly is after long-time work, and the situation that the wastepaper blockked up in the air current diversion hole probably appears, and the setting can be dismantled to the separation disc, and the staff of being convenient for in time tears the separation disc out and clears up, makes gas dust separating assembly normal operating.

Optionally, the number of the separation discs is at least two, and the separation discs are arranged at intervals along the length direction of the gas conveying pipe.

Through adopting above-mentioned technical scheme, the air passes through a plurality of separating discs in proper order, and the direction of delivery of air takes place to change many times to improve the separation effect of air dust separating assembly to air current and paper end, further reduce the paper end and discharge to operational environment in.

Optionally, a connecting rod is arranged between two adjacent separating discs, one end of the connecting rod is fixedly connected to one separating disc, and the other end of the connecting rod is fixedly connected to the other separating disc.

Through adopting above-mentioned technical scheme, a plurality of separating discs are connected as an organic whole under the effect of connecting rod, are convenient for install or dismantle a plurality of separating discs simultaneously, reduce operating procedure, are favorable to improving dismouting efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the distance sensor, the workload of workers is reduced, and the condition that the workers forget to close the air suction pump to cause resource waste is avoided;

2. by arranging the filter screen bag, the paper scraps and paper dust are reduced to be discharged into a working environment through the air suction pump, and the pollution of the paper scraps to the working environment is reduced;

3. through setting up gas-dust separation subassembly, utilize inertia effect to separate air and paper end, reduce the paper end and discharge to operational environment in, further reduce the pollution of wastepaper to operational environment.

Drawings

Fig. 1 is a schematic structural view of a corrugated cardboard slitting machine of the related art;

fig. 2 is a schematic structural view of a dust suction device of a corrugated cardboard slitting machine according to an embodiment of the present application, showing a dust suction hood and a filter screen in a half-cut state;

FIG. 3 is a partial cross-sectional view of FIG. 2 showing a screen bag and an air dust separation assembly.

Description of reference numerals: 1. a slitting machine; 11. a cutting table; 111. an avoidance groove; 12. a support vertical plate; 13. supporting the flat plate; 131. a support; 14. a cutting device; 141. a support frame; 142. a rotating shaft; 143. a longitudinal cutter; 144. a motor; 145. a cylinder; 2. a dust hood; 21. a filter screen; 3. an air pump; 4. a gas delivery pipe; 41. a branch pipe; 42. a main pipe; 421. mounting a box; 422. a cover is turned; 423. a vertical slot; 424. a dust blanking port; 425. a collection pipe; 426. an annular boss; 5. a distance sensor; 6. a filter screen bag; 61. a support frame; 62. a screen; 7. a gas-dust separation assembly; 71. a separation disc; 711. an airflow diversion hole; 72. a dust collecting box; 73. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, a slitting machine 1 for longitudinally slitting corrugated boards includes a horizontally disposed slitting table 11, two supporting vertical plates 12 oppositely disposed on two sides of the slitting table 11, a supporting flat plate 13 erected on the two supporting vertical plates 12, a slitting device 14 movably disposed between the supporting flat plate 13 and the slitting table 11, and a dust collector (not shown in the figure) for cleaning waste scraps from slitting, in which the slitting device 14 includes a supporting frame 141, a rotating shaft 142 horizontally disposed above the slitting table 11, four longitudinal cutters 143 clamped on the rotating shaft 142, and a motor 144. The two ends of the rotating shaft 142 are rotatably connected to the supporting frame 141 through bearings, the motor 144 drives the rotating shaft 142 to rotate around the axis of the motor in a gear transmission mode, the longitudinal cutters 143 are arranged at equal intervals along the axis of the rotating shaft 142, and four avoiding grooves 111 are formed in the positions, right below the longitudinal cutters 143, of the cutting table 11. The support frame 141 slides along vertical direction and sets up between two support risers 12, and fixed mounting has two cylinders 145 on the support flat plate 13, and the piston rod of cylinder 145 runs through the support flat plate 13 along vertical direction to the end connection of piston rod is in the upper end of support frame 141, thereby can control support frame 141 and reciprocate.

Before the corrugated board is longitudinally cut, the corrugated board is conveyed to a position right below a longitudinal cutter 143, a motor 144 drives a rotating shaft 142 to rotate, so that the longitudinal cutter 143 rotates at a high speed, a piston rod of a cylinder 145 extends downwards, a support frame 141 drives the rotating shaft 142 to move downwards, the longitudinal cutter 143 contacts and cuts the corrugated board, and paper scraps generated in the cutting process are sucked and cleaned by a dust suction device (not shown in the figure).

The embodiment of the application discloses dust extraction of corrugated container board slitter.

Referring to fig. 2, a dust suction device of a corrugated cardboard slitting machine includes four suction hoods 2 respectively disposed toward four avoidance grooves 111, an air pump 3, an air pipe 4 connected between the suction hood 2 and the air pump 3, and a distance sensor 5 disposed toward a cutting table 11. The gas pipe 4 comprises four branch pipes 41 respectively connected with the dust hood 2 and a main pipe 42 connected between the branch pipes 41 and the air suction pump 3, wherein one end of the branch pipe 41 far away from the dust hood 2 is connected with the peripheral surface of the main pipe 42. The support plate 13 is provided with a support 131, the distance sensor 5 is fixedly mounted on the support 131, the distance sensor 5 is a commonly used infrared sensor, and the distance sensor 5 faces one of the avoidance grooves 111. The air pump 3 is a common electric air pump, and the distance sensor 5 is electrically connected with the air pump 3.

The corrugated board is conveyed to the lower part of the longitudinal cutter 143, the corrugated board is shielded at the upper end of the avoiding groove 111, the corrugated board is irradiated in the avoiding groove 111 before the distance sensor 5 detects that the distance changes, the distance sensor 5 transmits an electric signal to the air suction pump 3 so as to control the air suction pump 3 to operate, and paper scraps generated in the cutting process of the corrugated board are sucked into the air conveying pipe 4 along with air and then are discharged through the air suction pump 3; when no corrugated paper is on the cutting table 11, the distance sensor 5 irradiates into the avoiding groove 111, thereby controlling the air pump 3 to be in a stop state.

Referring to fig. 2 and 3, the dust hood 2 is horn-shaped, and a filter screen 21 is installed at an end of the dust hood 2. The main pipe 42 is provided with a cubic mounting box 421, a filter screen bag 6 is arranged in the mounting box 421, the filter screen bag 6 comprises a rectangular annular supporting frame 61 and a gauze 62 fixedly connected to one side of the supporting frame 61, and the aperture of the gauze 62 is smaller than that of the filter screen 21. The upper end of the mounting box 421 is rotatably connected with a flip 422, two vertical grooves 423 which are oppositely arranged are formed in the inner wall of the mounting box 421, and the vertical grooves 423 penetrate through the upper end of the mounting box 421. The support frame 61 is slidably inserted between the two vertical grooves 423 so that the filter bag 6 is installed on the path of air delivery.

When the corrugated board is cut, the produced paper scraps are different in shape and size, some are strip-shaped paper edges, some are relatively small paper sheets, and the others are granular paper dust. The filter screen 21 is mainly used for preventing the paper edge from entering the air conveying pipe 4, and the possibility of blocking the air conveying pipe 4 is reduced. The strainer bag 6 is mainly used for filtering and collecting paper edges and partial paper dust with large volume, and after more paper scraps in the strainer bag 6, a worker can open the flip cover 422 to take out and clean the strainer bag 6 upwards.

An air-dust separating assembly 7 is arranged in the main pipe 42 between the mounting box 421 and the air suction pump 3, the air-dust separating assembly 7 comprises three separating discs 71 and a dust collecting box 72 for collecting paper dust, and the three separating discs 71 are arranged at intervals along the length direction of the main pipe 42. The outer peripheral surface of the separation disc 71 is abutted against the inner wall of the main pipe 42, each separation disc 71 is provided with a plurality of airflow diversion holes 711, and the axial direction of the airflow diversion holes 711 is not parallel to the axial direction of the separation disc 71. A connecting rod 73 is provided between two adjacent separation discs 71, and both ends of the connecting rod 73 are connected to the two separation discs 71, respectively, so that the three separation discs 71 are connected as a whole.

The main pipe 42 is provided with a dust blanking port 424 penetrating through the pipe wall, the dust blanking port 424 is positioned right below the separating disc 71, and the lower end of the dust blanking port 424 is fixedly connected with a collecting pipe 425. The collecting pipe 425 is provided with an external thread on the outer peripheral surface near the lower end, the lower end of the collecting pipe 425 is provided with a cube-shaped dust collecting box 72, and the dust collecting box 72 is connected to the collecting pipe 425 in a threaded manner. The main pipe 42 is divided into two parts at the side of the gas-dust separation assembly 7 close to the mounting box 421, and the divided parts are connected by flanges, so that the three separation discs 71 can be taken out of the main pipe 42 integrally. The inner wall of the main pipe 42 is provided with an annular boss 426, the outer circumferential surface of the annular boss 426 is connected to the inner wall of the main pipe 42, and the annular boss 426 is located on the side of the separating disc 71 close to the suction pump 3. When the separation disc 71 is mounted in the main pipe 42, the separation disc 71 abuts against the annular boss 426, and the annular boss 426 limits the separation disc 71.

After the air passes through the filter 21 bag, the air also carries a small volume of paper dust. When the air passes through the separating tray 71, the moving direction of the air is rapidly changed due to the airflow direction changing hole 711, and the paper dust is impacted on the separating tray 71 due to inertia, so that the paper dust can fall into the dust collecting box 72 along the collecting pipe 425. The three separating discs 71 are connected into a whole, so that the three separating discs 71 can be conveniently dismounted and mounted by workers at the same time, and the dismounting and mounting efficiency is improved. Two, three or four separating discs 71 can be arranged on the separating discs 71, and as the case may be, three separating discs 71 are arranged in the present embodiment, so that the air can change direction for many times when passing through, which is beneficial to improving the separating effect of the air and paper dust.

The implementation principle of the embodiment is as follows: by arranging the distance sensor 5, the distance sensor 5 can automatically control the opening and closing state of the air pump 3, the workload of workers is reduced, and the condition that the resources are wasted because the workers forget to close the air pump 3 is avoided; through setting up gas-dust separation subassembly 7, utilize inertia effect to separate air and paper end, reduce the paper end and discharge to operational environment in, reduce the pollution of wastepaper to operational environment.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a dust extraction of corrugated container board slitter which characterized in that: the cutting table comprises a dust hood (2), an air suction pump (3), an air delivery pipe (4) connected between the dust hood (2) and the air suction pump (3), and a distance sensor (5) used for detecting whether a corrugated board is arranged on a cutting table (11) or not and controlling the air suction pump (3) to operate or stop according to a detection result, wherein the distance sensor (5) is electrically connected with the air suction pump (3).

2. A dust extraction apparatus of a corrugated cardboard slitting machine as claimed in claim 1, wherein: a filter screen (21) is arranged in the dust hood (2).

3. A dust extraction apparatus of a corrugated cardboard slitting machine as claimed in claim 2, wherein: a filter screen bag (6) is arranged in the air delivery pipe (4), and the mesh number of the filter screen bag (6) is larger than that of the filter screen (21).

4. A dust extraction apparatus of a corrugated cardboard slitting machine as claimed in claim 3, wherein: the filter screen bag (6) is detachably arranged in the gas conveying pipe (4).

5. A dust extraction apparatus of a corrugated cardboard slitting machine as claimed in claim 3, wherein: the air delivery pipe (4) is internally provided with an air-dust separation assembly (7), the air-dust separation assembly (7) is closer to the air suction pump (3) than the filter screen bag (6), the air-dust separation assembly (7) comprises a separation disc (71) and a dust collection box (72) for collecting separated dust, the separation disc (71) is provided with a plurality of air flow direction changing holes (711) penetrating through the separation disc (71), and the axis of the air flow direction changing holes (711) is not parallel to the axis of the air delivery pipe (4); dust blanking mouth (424) have been seted up in gas-supply pipe (4), dust blanking mouth (424) are located the below of separating disc (71), dust collection box (72) install in the lower extreme of dust blanking mouth (424).

6. A dust extraction apparatus for a corrugated cardboard slitting machine as claimed in claim 5 wherein: the separation disc (71) is detachably arranged in the gas conveying pipe (4).

7. A dust extraction apparatus for a corrugated cardboard slitting machine as claimed in claim 6 wherein: the number of the separation discs (71) is at least two, and the separation discs (71) are arranged at intervals along the length direction of the gas conveying pipe (4).

8. A dust extraction apparatus for a corrugated cardboard slitting machine as claimed in claim 7 wherein: a connecting rod (73) is arranged between two adjacent separating discs (71), one end of the connecting rod (73) is fixedly connected to one of the separating discs (71), and the other end of the connecting rod (73) is fixedly connected to the other separating disc (71).

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