Cutter mechanism for paper slitting

Abstract

The cutter mechanism comprises a support, a servo motor is arranged on the side wall of the support, a rotating shaft rotationally connected to the inner side wall of the support is arranged at the output end of the servo motor, three annular cutters distributed at equal intervals are arranged on the outer portion of the rotating shaft, a mounting plate is arranged at the top of the support, and the mounting plate is arranged on the side wall of the support. A scrap suction assembly is arranged at the top of the mounting plate, a cleaning assembly is arranged on the back face of the mounting plate, and the cleaning assembly comprises two electric push rods arranged on the two sides of the top of the mounting plate. Flying sweeps can be sucked into the collecting box to be collected in the paper slitting process through the scrap suction assembly, and therefore the situation that the working environment is polluted by the sweeps is avoided; through combination of the scrap suction assembly and the cleaning assembly, the servo motor drives the annular cutter to rotate at a low speed, so that the scraping plates in contact with the two side walls of the annular cutter can scrape dust adhered to the surface of the annular cutter, the automatic cleaning effect is achieved, manual cleaning is not needed, the efficiency is improved, and the labor amount is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper slitting equipment technical field especially relates to a paper slitting cutter mechanism. BACKGROUND

[0002] In the paper processing industry, the slitting process is a key link for cutting large rolls of paper into small rolls of the required size. However, with the continuous improvement of product quality and production efficiency requirements in the paper processing industry, there are still some aspects that can be further optimized in the slitting process of the prior art.

[0003] During the cutting process of paper, some small paper scraps and fibers will inevitably be produced. The production of these scraps is a natural result of the paper slitting process. Especially when dealing with thicker paper or high-speed slitting, the production of scraps is more obvious. These scraps may fly and adhere to the cutter, causing the sharpness of the cutter to decrease, thereby reducing the slitting accuracy and further affecting the slitting quality. In order to deal with these problems, some simple cleaning methods are usually used in the prior art, such as regular manual cleaning or removing the scraps by simple air blowing. However, these methods are either inefficient or have unsatisfactory cleaning effect, which cannot meet the needs of continuous production. SUMMARY

[0004] To solve the technical problems in the background art, the utility model provides a paper slitting cutter mechanism, which automatically cleans the waste attached to the surface of the cutter, does not require manual cleaning, improves efficiency, and reduces labor intensity.

[0005] The utility model provides a paper slitting cutter mechanism, which comprises a support, a servo motor is arranged on the side wall of the support, a rotating shaft is rotatably connected to the inner side wall of the support on the output end of the servo motor, three equidistant annular cutters are arranged on the outer part of the rotating shaft, an installation plate is arranged on the top of the support, a scrap suction assembly is arranged on the top of the installation plate, and a cleaning assembly is arranged on the back of the installation plate.

[0006] The cleaning assembly comprises two electric push rods arranged on the two sides of the top of the installation plate, a connecting plate is arranged on the telescopic end of the electric push rod, a translation rod is connected to the opposite side of each connecting plate, three equidistant left support plates are fixedly connected to the outer part of the left translation rod, three equidistant right support plates are fixedly connected to the outer part of the right translation rod, a sliding rod is arranged on the opposite side of each pair of right and left support plates, and a scraper is arranged on one end of the sliding rod.

[0007] Preferably, the dust suction assembly comprises a shell arranged on the top of the mounting plate, air suction fans are arranged on both sides of the top of the shell, a gas collecting cover is fixed through the front of the shell, three air suction pipes are connected to the front of the gas collecting cover, the air suction pipes extend to below the mounting plate through the mounting plate at the ends away from the gas collecting cover, and baffle covers are fixedly connected to the ends of the air suction pipes away from the gas collecting cover.

[0008] The above technical scheme can precisely suck dust by extending the air suction pipes to below the mounting plate and arranging the baffle covers on the upper portions of the annular cutters, so that the dust generated during the splitting of paper can be sucked into the collecting box and collected.

[0009] Preferably, the baffle covers are arranged on the upper portions of the annular cutters and do not contact the annular cutters, and the one end of the sliding rod extends to the inside through the baffle cover.

[0010] The above technical scheme can effectively block the flying dust, so that the dust can be concentrated and sucked into the collecting box.

[0011] Preferably, the cross section of the scraper is triangular, and the scraper is arranged in the gap between the annular cutter and the baffle cover.

[0012] The triangular cross section of the scraper can better adhere to the surface of the annular cutter, effectively scrape off the paper dust and sundries attached to the cutter, and keep the cutter clean.

[0013] Preferably, the inside of the shell is provided with a collecting box, a filter screen is clamped to the top of the collecting box, a dust inlet is formed in the side of the collecting box close to the gas collecting cover, and the side of the dust inlet close to the inner wall of the collecting box is of an inclined downward structure.

[0014] Preferably, the one end of the left translation rod extends through the right support plate, and the one end of the right translation rod extends through the left support plate.

[0015] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects: 1. The dust suction assembly can suck the flying waste dust into the collecting box during the splitting of paper, so that the waste dust can be collected and the working environment can be prevented from being polluted; 2. The dust suction assembly and the cleaning assembly are combined, the scraper contacting the two side walls of the annular cutter can scrape off the dust adhered to the surface of the annular cutter by the low-speed rotation of the annular cutter driven by the servo motor, the effect of automatic cleaning is realized, manual cleaning is not needed, the efficiency is improved, and the labor amount is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole schematic view of the cutter mechanism.

[0017] Figure 2 It is a rear view of the cutter mechanism.

[0018] Figure 3 The utility model provides a cutting knife mechanism's bottom view.

[0019] Figure 4 The utility model provides a cleaning assembly structure schematic view,

[0020] Figure 5 The utility model provides a shell and the section view of collection box.

[0021] Reference Signs: 1, support; 2, servo motor; 3, pivot; 4, annular cutting knife; 5, control panel; 6, mounting plate; 7, chip suction assembly; 71, shell; 72, air suction machine; 73, gas collection cover; 74, collection box; 7401, filter screen plate; 7402, chip inlet; 75, air suction pipe; 76, baffle cover; 8, cleaning assembly; 81, electric push rod; 82, connecting plate; 83, translation rod; 84, right support plate; 85, left support plate; 86, sliding rod; 87, scraper. DETAILED DESCRIPTION

[0022] In order to make the utility model's purpose, technical scheme and advantage more clear and obvious, below combining with specific implementation and referring to attached drawing, the utility model is further detailedly explained.Should understand, these descriptions are only exemplary, and not to limit the scope of the utility model.In addition, in following explanation, the description of known structure and technology is omitted, to avoid unnecessary confusion the concept of the utility model.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model to having a particular orientation, being constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, welding, riveting, adhesion and the like, or can be detachable connection, threaded connection, key connection, pin connection and the like, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium;It can be the communication inside two elements.The specific meaning of the above terms in the utility model can be understood according to the specific circumstances by those skilled in the art.

[0025] As Figures 1-4 The utility model provides a cutting knife mechanism for paper slitting, including support 1, the side wall of support 1 is equipped with servo motor 2, is equipped with the rotating joint on the output of servo motor 2 on the inside wall of support 1 on the rotating shaft 3, the outside of rotating shaft 3 is equipped with three equidistance distribution annular cutter 4, the top of support 1 is provided with mounting plate 6, the top of mounting plate 6 is equipped with dust extraction assembly 7, the back of mounting plate 6 is equipped with cleaning assembly 8.

[0026] Cleaning assembly 8 includes two electric push rods 81 arranged on the top of mounting plate 6 on both sides, the telescopic end of electric push rod 81 is provided with a connecting plate 82, the opposite side of the two connecting plates 82 is connected with a translation rod 83, the outside of the left translation rod 83 is fixedly connected with three equidistantly distributed left support plates 85, the outside of the right translation rod 83 is fixedly connected with three equidistantly distributed right support plates 84, the opposite side of each pair of right support plates 84 and left support plates 85 is provided with a sliding rod 86, one end of the sliding rod 86 is provided with a scraper 87, one end of the left translation rod 83 is movably penetrated through the right support plate 84, and one end of the right translation rod 83 is movably penetrated through the left support plate 85.

[0027] Please refer to Figure 1 In the embodiment, the dust extraction assembly 7 includes a housing 71 arranged on the top of the mounting plate 6, the top of the housing 71 is provided with a suction fan 72 on both sides, the front of the housing 71 is penetrated and fixed with a gas collecting hood 73, the front of the gas collecting hood 73 is connected with three suction tubes 75, one end of the suction tube 75 away from the gas collecting hood 73 is penetrated and extended to below the mounting plate 6, one end of the suction tube 75 away from the gas collecting hood 73 is fixedly connected with a baffle cover 76, one end of the sliding rod 86 is movably penetrated through the baffle cover 76 and extended to the inside.

[0028] It is worth mentioning that the side wall of the support 1 is provided with a control panel 5, the servo motor 2, the electric push rod 81 and the fan are electrically connected with the control panel 5.

[0029] The above technical scheme can accurately extract dust by extending the gas pipe to below the mounting plate 6 and covering the baffle cover 76 on the upper part of the annular cutter 4, so that the dust generated by slitting paper can be sucked into the collecting box 74 for collection.

[0030] The baffle cover 76 can effectively block the flying dust, so that the dust can be concentrated and sucked into the collecting box 74.

[0031] In the embodiment, the cross section of the scraper 87 is triangular, and the scraper 87 is located at the gap between the annular cutter 4 and the baffle cover 76.

[0032] The gap between the annular cutter 4 and the baffle cover 76 can move the scraper 87, so that the scraper 87 is not in contact with the annular cutter 4 during high-speed rotation operation, and wear is avoided during operation, and the triangular scraper 87 can better adhere to the surface of the annular cutter 4 when cleaning is needed, and the paper scraps and sundries attached to the cutter can be effectively scraped off, so that the cutter is kept clean.

[0033] Please refer to Figure 5 In the embodiment, the inside of the shell 71 is provided with a collection box 74, the top of the collection box 74 is clamped with a filter screen plate 7401, and the side, close to the gas collecting cover 73, of the collection box 74 is provided with a scrap inlet 7402, and the side, close to the inner wall of the collection box 74, of the scrap inlet 7402 is of an inclined downward structure.

[0034] It should be noted that the filter screen plate can filter out larger paper scraps, so as to prevent the suction fan 72 and the pipeline from being blocked, and the inclined downward scrap inlet 7402 is beneficial to the smooth entry of the paper scraps into the collection box 74, and improves the suction efficiency.

[0035] Working principle: the rotation of the shaft 3 is driven by the servo motor 2, so as to drive the rotation of the annular cutter 4 to slit the paper in the conveying process, in the slitting process, the suction fan 72 is started through the control panel 5, so that the gas collecting cover 73 and the suction pipe 75 generate negative pressure, the scraps generated in the slitting process are sucked from the baffle cover 76 and collected in the collection box 74, wherein the filter screen plate 7401 filters and blocks the scraps in the gas, so as to prevent the suction fan 72 and the pipeline from being blocked, and the inclined downward scrap inlet 7402 is beneficial to the smooth entry of the scraps into the collection box 74, when the scraps adhered to the surface of the annular cutter 4 need to be cleaned subsequently, the sliding rod 86 is driven to move by the extension and retraction action of the electric push rod 81, so that the triangular cross-section scraper 87 moves in the gap between the annular cutter 4 and the baffle cover 76, the scraper 87 is adhered to the surface of the cutter, and then the annular cutter 4 is driven to rotate at low speed by the servo motor 2, so that the paper scraps and sundries adhered to the cutter can be effectively scraped off, the cutter is kept clean, the service life of the cutter is prolonged, and the slitting quality is ensured.

[0036] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model shall be included in the protection scope of the utility model. In addition, the appended claims of the utility model are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A paper slitting cutter mechanism, comprising a support (1), the side wall of the support (1) is provided with a servo motor (2), the output end of the servo motor (2) is provided with a rotating shaft (3) which is rotatably connected to the inner side wall of the support (1), the outer part of the rotating shaft (3) is provided with three equidistantly distributed annular cutters (4), the top of the support (1) is provided with a mounting plate (6), characterized in that, The top of the mounting plate 6 is provided with a dust suction assembly 7, and the back of the mounting plate 6 is provided with a cleaning assembly 8. The cleaning assembly 8 comprises two electric push rods 81 arranged on the two sides of the top of the mounting plate 6, the telescopic ends of the electric push rods 81 are provided with connecting plates 82, the opposite sides of the two connecting plates 82 are connected with translation rods 83, the outer side of the left translation rod 83 is fixedly connected with three left supporting plates 85 which are equidistantly distributed, the outer side of the right translation rod 83 is fixedly connected with three right supporting plates 84 which are equidistantly distributed, and the opposite sides of each pair of right supporting plates 84 and left supporting plates 85 are provided with sliding rods 86, and one end of the sliding rod 86 is provided with a scraper 87.

2. The cutting knife mechanism for paper slitting according to claim 1, characterized in that: The dust suction assembly 7 comprises a shell 71 arranged on the top of the mounting plate 6, the top of the shell 71 is provided with air suction fans 72 on the two sides, the front of the shell 71 is fixedly penetrated with a gas collecting cover 73, the front of the gas collecting cover 73 is connected with three air suction pipes 75, one end of the air suction pipe 75 away from the gas collecting cover 73 is extended to below the mounting plate 6 through the mounting plate 6, and the end of the air suction pipe 75 away from the gas collecting cover 73 is fixedly connected with a blocking cover 76.

3. The cutting knife mechanism for paper slitting according to claim 2, characterized in that: The blocking cover 76 is arranged on the upper part of the annular cutter 4 and does not contact the annular cutter 4, and one end of the sliding rod 86 is movably extended to the inside through the blocking cover 76.

4. The cutting knife mechanism for paper slitting according to claim 2, characterized in that: The cross section of the scraper 87 is triangular, and the scraper 87 is located at the gap between the annular cutter 4 and the blocking cover 76.

5. The cutting knife mechanism for paper slitting according to claim 2, characterized in that: The inside of the shell 71 is placed with a collecting box 74, the top of the collecting box 74 is clamped with a filter screen plate 7401, one side of the collecting box 74 close to the gas collecting cover 73 is provided with a chip inlet 7402, and the side of the chip inlet 7402 close to the inner wall of the collecting box 74 is of an inclined downward structure.

6. The cutting knife mechanism for paper slitting according to claim 1, characterized in that: One end of the left translation rod 83 movably penetrates through the right supporting plate 84, and one end of the right translation rod 83 movably penetrates through the left supporting plate 85.

Images