Slicing machine for dust-free paper processing

Abstract

The utility model discloses a slicing machine for dust-free paper processing, and relates to the technical field of slicing machines. The dust-free paper slicing device comprises a workbench, two second supporting plates are fixedly connected to the upper surface of the workbench, a limiting mechanism is arranged on the upper surface of the workbench and used for limiting the height of dust-free paper, a supporting block is arranged between the two second supporting plates, a slicing mechanism is arranged on the supporting block, and the limiting mechanism is used for limiting the height of the dust-free paper. A cutting blade is arranged on the slicing mechanism, and the slicing mechanism conducts slicing work on the dust-free paper through the cutting blade. According to the utility model, the cutting blade is convenient and fast to replace, the rotating rod is rotated anticlockwise by 90 degrees, the operation is efficient and flexible, the tedious process that the slicing machine needs to be shut down to disassemble and replace the cutter in the traditional cutter replacement process is avoided, the labor is saved, the efficiency is high, and the processing efficiency of dust-free paper is further improved; and therefore, the practicability of the slicing machine for dust-free paper processing is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of slicing machine, specifically, especially relate to a slicing machine for dustless paper processing. BACKGROUND

[0002] Dustless paper, also known as dry process paper nonwoven fabric, is a kind of dry process nonwoven fabric. It is widely used in health care products, special medical supplies, industrial wiping supplies and other fields. Dustless paper has unique physical properties, high elasticity, softness, hand feeling and excellent drape, high water absorption and good water retention performance, and is widely used in health care products, special medical supplies, industrial wiping supplies and other fields.

[0003] Dustless paper needs to use a slicing machine for cutting and processing during processing. The traditional slicing machine for dustless paper processing generally uses reciprocating blades to slice the dustless paper.

[0004] The cutting blade is prone to wear after long-term use, which reduces its sharpness, which easily affects the cutting efficiency of the dustless paper. The cutting blade needs to be disassembled for grinding or replaced. The cutting blade of the traditional slicing machine is generally fixed on the slicing machine by a plurality of bolts, which makes it necessary to stop the slicing machine, then unscrew the plurality of fixing screws to remove the worn cutting blade, and then replace the new cutting blade. The process is complicated, time-consuming and labor-intensive, thereby reducing the production efficiency of the dustless paper. UTILITY MODEL CONTENT

[0005] In view of the problems in the related art, the utility model provides a slicing machine for dustless paper processing to overcome the above technical problems existing in the prior art.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] The utility model is a kind of slicing machine for dustless paper processing, including workbench, the upper surface of the workbench is fixedly connected with two second support plates, the upper surface of the workbench is provided with limiting mechanism, the limiting mechanism is used to limit the height of dustless paper, support block is provided between two second support plates, cutting mechanism is provided on the support block, cutting mechanism is provided with cutting blade, cutting mechanism uses cutting blade to cut dustless paper, cutting mechanism is provided with dismounting mechanism, dismounting mechanism is convenient for the dismounting of cutting blade, cutting mechanism is provided with tool changer, tool changer is used to quickly replace cutting blade.

[0008] Further, the slicing mechanism comprises a threaded rod, the threaded rod is rotationally connected between the two second support plates, the left end of the threaded rod rotationally penetrates the left side surface of the left second support plate, the left side surface of the left second support plate is fixedly connected with a rotating motor, the rotating output shaft of the rotating motor is fixedly connected with the left end of the threaded rod, a limiting slide rod is fixedly connected between the two second support plates, the support block is slidingly sleeved on the outer surface of the limiting slide rod, and the support block is threadedly sleeved on the outer surface of the threaded rod.

[0009] Further, the upper surface of the support block is provided with a rotating groove extending out of the lower surface thereof, rotating rods are rotationally connected between the inner walls of the front and rear sides of the rotating groove, the front end of the rotating rod rotationally penetrates the front side surface of the support block, a rotating block is fixedly sleeved on the outer surface of the rotating rod, the outer surface of the rotating block extends out of the upper and lower side surfaces of the support block through the rotating groove, four dismounting grooves are formed in the outer surface of the rotating block, and dismounting blocks are slidingly connected in the dismounting grooves.

[0010] Further, the dismounting mechanism comprises positioning holes, the positioning holes are formed in the rear side surface of the dismounting block, four positioning rods are slidingly connected to the rear side surface of the rotating block, the front end of the positioning rod slidingly penetrates into the corresponding dismounting groove, the front end of the positioning rod slidingly extends into the corresponding positioning hole, and a handle block is fixedly connected to the rear end of the positioning rod.

[0011] Further, the tool changing mechanism comprises a positioning block, the positioning block is fixedly connected to the front side surface of the rotating block, the positioning block is fixedly sleeved on the outer surface of the rotating rod, the positioning block is in a cylindrical shape, four limiting sliding grooves are formed in the outer surface of the positioning block, the limiting sliding grooves are in an "r" shape, the limiting sliding grooves extend out of the front and rear side surfaces of the positioning block, and the upper surface of the support block is fixedly connected with an "L"-shaped mounting block.

[0012] Further, the lower surface of the limiting slider is an inclined surface, the upper surface of the limiting slider is fixedly connected with a positioning plate, the lower surface of the limiting slider slides into the limiting sliding groove, the lower surface of the limiting slider is in sliding connection with the limiting sliding groove, the lower surface of the limiting slider is in sliding connection with the outer surface of the positioning block, two second tension springs are fixedly connected between the lower surface of the positioning plate and the upper surface of the transverse block of the mounting block, four limiting sliding grooves are arranged in a central array around the rotating rod, and four cutting blades are also arranged in a central array around the rotating rod.

[0013] Further, the limiting mechanism comprises two first supporting plates, and a rotating rod is rotatably connected between the two first supporting plates.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model discloses a convenient and fast cutting blade changing, only need to rotate the rotating rod counterclockwise ninety degrees, and the operation is efficient and flexible, avoids the tedious process of stopping the slicing machine and disassembling and changing the cutting blade in the traditional cutting blade changing, is more labor-saving and efficient, and the processing efficiency of the dust-free paper is improved, and the practicality of the dust-free paper processing slicing machine is improved.

[0016] 2. The utility model discloses a pulling handle block, so that the handle block drives the positioning rod to slide out of the disassembly groove, and then also drives the positioning rod to slide out of the corresponding positioning hole, at this time, the positioning rod does not limit the disassembly block, so that the disassembly block can slide out of the disassembly groove, and then the corresponding cutting blade can be disassembled, and the cutting blade can be conveniently replaced and polished, so that the disassembly and installation of the cutting blade are more efficient and convenient, and the practicality and flexibility of the dust-free paper processing slicing machine are improved.

[0017] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the supporting block structure schematic diagram of the utility model.

[0021] Figure 3 It is the rotating block structure schematic view of the utility model;

[0022] Figure 4 It is the rotating block rear side structure schematic view of the utility model.

[0023] Figure 5 It is the rotating block rear side structure schematic view of the utility model.

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] 1, workbench;2, first support plate;3, limit roller;4, second support plate;5, limit sliding rod;6, threaded rod;7, support block;8, rotating rod;9, rotating block;10, rotating groove;11, rotating motor;12, cutting blade;13, dismounting block;14, dismounting groove;15, positioning block;16, mounting block;17, positioning sliding groove;18, limit sliding block;19, positioning plate;20, limit sliding groove;21, positioning hole;22, positioning rod;23, first tension spring;24, handle block;25, second tension spring;26, cutting groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model protection.

[0027] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "top", "middle", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0028] Please refer to Figures 1-5The utility model discloses a dustless paper processing is with slicing machine, including work table 1, the upper surface fixed connection of work table 1 has two second support plate 4, the upper surface of work table 1 is provided with limiting mechanism, the limiting mechanism is used for limiting the height of dustless paper, be provided with support block 7 between two second support plate 4, be provided with slicing mechanism on support block 7, be provided with cutting blade 12 on slicing mechanism, slicing mechanism utilizes cutting blade 12 and carries out slicing work to dustless paper, be provided with dismounting mechanism on slicing mechanism, the dismounting mechanism is convenient for the dismounting of cutting blade 12, be provided with tool changer on slicing mechanism, tool changer is used for the quick replacement of cutting blade 12.

[0029] When using, the dustless paper is passed through the limiting mechanism, the limiting mechanism limits the height of the dustless paper, and the dustless paper can be cut flat, and when the power equipment of the slicing mechanism is started, the slicing mechanism is driven to move left and right, the slicing mechanism cuts the dustless paper during moving from left to right, and the slicing mechanism resets during moving from right to left, so that the dustless paper can be cut once every time the slicing mechanism moves from left to right, and the slicing work of the dustless paper is realized, and the cutting blade 12 on the slicing mechanism can be dismounted by pulling the dismounting mechanism, and the cutting blade 12 can be replaced quickly by rotating the cutting mechanism under the cooperation of the tool changer.

[0030] In one embodiment, for the upper slicing mechanism, the slicing mechanism includes a threaded rod 6, the threaded rod 6 is rotatably connected between the two second support plates 4, the left end of the threaded rod 6 is rotatably connected to the left surface of the second support plate 4 on the left side, the left surface of the second support plate 4 on the left side is fixedly connected with a rotating motor 11, the rotating output shaft of the rotating motor 11 is fixedly connected with the left end of the threaded rod 6, the two second support plates 4 are fixedly connected with a limiting slide rod 5, the support block 7 is slidably sleeved on the outer surface of the limiting slide rod 5, and the support block 7 is threadedly sleeved on the outer surface of the threaded rod 6.

[0031] The upper surface of the support block 7 is provided with a rotating groove 10 extending out of the lower surface, the rotating groove 10 is rotatably connected between the inner walls of the front and rear sides, the front end of the rotating rod 8 rotatably penetrates out of the front surface of the support block 7, the outer surface of the rotating rod 8 is fixedly sleeved with a rotating block 9, the outer surface of the rotating block 9 extends out of the upper and lower outer surfaces of the support block 7 through the rotating groove 10, the outer surface of the rotating block 9 is provided with four disassembly grooves 14, the disassembly grooves 14 are all slidably connected with disassembly blocks 13, the outer surface of the disassembly block 13 away from the rotating rod 8 extends out of the outer surface of the rotating block 9 through the disassembly groove 14, the cutting blade 12 is fixedly connected to the outer surface of the disassembly block 13 away from the rotating rod 8, the cutting edge of the cutting blade 12 is inclinedly arranged, the upper surface of the workbench 1 is provided with a cutting groove 26 extending out of the lower surface, and the lowermost cutting blade 12 extends into the cutting groove 26.

[0032] In addition, in specific application, in the initial state, the left surface of the support block 7 is in contact with the right surface of the left second supporting plate 4, when the limiting sliding rod 5 is started, the rotating output shaft of the limiting sliding rod 5 drives the threaded rod 6 to rotate, and then drives the support block 7 to move left and right, when the support block 7 moves to the right, the rotating block 9, the disassembly block 13 and the cutting blade 12 are synchronously driven to move to the right, the lowermost cutting blade 12 moves to the right and is in contact with the dust-free paper, and the inclined cutting edge thereof cuts the dust-free paper, thereby realizing the slicing of the dust-free paper.

[0033] In one embodiment, for the upper disassembly mechanism, the disassembly mechanism comprises positioning holes 21, the positioning holes 21 are all arranged on the rear surface of the disassembly block 13, four positioning rods 22 are slidably connected to the rear surface of the rotating block 9, the front end of the positioning rod 22 slidably penetrates into the corresponding disassembly groove 14, the front end of the positioning rod 22 slidably extends into the corresponding positioning hole 21, the rear end of the positioning rod 22 is fixedly connected with a handle block 24, a first tension spring 23 is fixedly connected between the handle block 24 and the rotating block 9, and the first tension spring 23 is slidably sleeved on the outer surface of the positioning rod 22.

[0034] In addition, in specific application, the handle block 24 is pulled out, so that the handle block 24 drives the positioning rod 22 to slide out of the disassembly groove 14, and then drives the positioning rod 22 to slide out of the corresponding positioning hole 21, at this time, the positioning rod 22 does not limit the disassembly block 13, so that the disassembly block 13 can slide out of the disassembly groove 14, and then the corresponding cutting blade 12 can be disassembled, thereby facilitating the replacement and grinding of the cutting blade 12, so that the disassembly and installation of the cutting blade 12 are more efficient and convenient, and the practicability and flexibility of the dust-free paper processing slicer are increased.

[0035] In one embodiment, for the upper tool changing mechanism, the tool changing mechanism comprises a positioning block 15 fixedly connected to the front side surface of the rotating block 9, the positioning block 15 is fixedly sleeved on the outer surface of the rotating rod 8, the positioning block 15 is in the shape of a cylinder, four limiting sliding grooves 20 are opened on the outer surface of the positioning block 15, the limiting sliding grooves 20 are in the shape of "r", the limiting sliding grooves 20 extend out of the front and rear outer surfaces of the positioning block 15, the upper surface of the supporting block 7 is fixedly connected with an installation block 16 in the shape of "L", the upper surface of the horizontal block of the installation block 16 is provided with a positioning sliding groove 17 extending out of the lower surface thereof.

[0036] A limiting sliding block 18 is slidably sleeved in the positioning sliding groove 17, the lower surface of the limiting sliding block 18 is an inclined surface, the upper surface of the limiting sliding block 18 is fixedly connected with a positioning plate 19, the lower surface of the limiting sliding block 18 slidably extends into the limiting sliding groove 20, the lower surface of the limiting sliding block 18 is slidably connected with the limiting sliding groove 20, the lower surface of the limiting sliding block 18 is slidably connected with the outer surface of the positioning block 15, the lower surface of the positioning plate 19 and the upper surface of the horizontal block of the installation block 16 are fixedly connected with two second tension springs 25, four limiting sliding grooves 20 are arranged in a central array with the rotating rod 8 as the center, four cutting blades 12 are also arranged in a central array with the rotating rod 8 as the center, the limiting sliding groove 20 and the corresponding cutting blade 12 correspond to each other.

[0037] In addition, in specific application, when the cutting blade 12 in use is not sharp, at this time, the rotating rod 8 can be rotated, the rotating rod 8 rotates the synchronous belt to drive the rotating block 9 and the limiting block 15 to rotate, because the lower surface of the limiting sliding block 18 is an inclined surface, and the limiting sliding groove 20 is in the shape of "r", and the mutual cooperation of the limiting sliding block 18 and the limiting sliding groove 20 makes the cutting blade 12 only rotate counterclockwise and cannot rotate clockwise, so that the limiting sliding block 18 and the limiting sliding groove 20 can only rotate counterclockwise and cannot rotate clockwise, and when the limiting block 15 and the rotating block 9 rotate counterclockwise, the limiting sliding block 18 gradually slides out of the limiting sliding groove 20, this process makes the limiting sliding block 18 and the limiting plate 19 move upward, and at the same time, the second tension spring 25 is stretched to be stretched and deformed, when the limiting block 15 and the rotating block 9 rotate counterclockwise by ninety degrees, the synchronous belt drives the dull cutting blade 12 to rotate by ninety degrees to rotate out of the cutting groove 26, so that the adjacent cutting blade 12 rotates to the lowermost side and extends into the cutting groove 26, at this time, under the action of the release force of the second tension spring 25, the limiting sliding block 18 slides into the appropriate limiting sliding groove 20, and the limiting block 15 and the rotating block 9 are positioned again, at this time, the new cutting blade 12 at the lowermost side can slice the dust-free paper, and the knife changing operation of the cutting blade 12 is also completed, the knife changing is convenient and fast, only need to rotate the rotating rod 8 counterclockwise by ninety degrees, the operation is efficient and flexible, avoids the cumbersome process of stopping the slicing machine for disassembly and knife changing in traditional knife changing, is more labor-saving and efficient, and improves the processing efficiency of the dust-free paper, and increases the practicality of the dust-free paper processing slicing machine.

[0038] In one embodiment, for the limiting mechanism, the limiting mechanism comprises two first support plates 2, a rotating rod is rotatably connected between the two first support plates 2, and a limiting roller 3 is fixedly sleeved on the outer surface of the rotating rod.

[0039] In addition, in specific application, the dust-free paper roll to be sliced is slid through the lower side of the limiting roller 3, the paper slides between the limiting roller 3 and the upper surface of the workbench 1, and the dust-free paper is limited, so that the dust-free paper can be stably sliced, the dust-free paper processing quality is improved, and the stability of the dust-free paper processing slicing machine is increased.

[0040] According to the technical scheme of the utility model, when the starting limiting slide rod 5 is started, the rotating output shaft of the limiting slide rod 5 drives the threaded rod 6 to rotate, and then drives the supporting block 7 to move left and right; when the supporting block 7 moves to the right, the rotating block 9, the dismounting block 13 and the cutting blade 12 are synchronously driven to move to the right; the cutting blade 12 at the lowermost side moves to the right and contacts the dustless paper, and the inclined cutting edge thereof cuts the dustless paper, thereby realizing the slicing work of the dustless paper; the pulling handle block 24 is pulled, so that the handle block 24 drives the positioning rod 22 to slide out of the dismounting groove 14, and then drives the positioning rod 22 to slide out of the corresponding positioning hole 21; at this time, the positioning rod 22 does not limit the dismounting block 13, so that the dismounting block 13 can slide out of the dismounting groove 14, and then the corresponding cutting blade 12 can be dismounted; when the cutting blade 12 is not sharp during use, the rotating rod 8 is rotated, the rotating rod 8 is synchronously driven to rotate the rotating block 9 and the positioning block 15; because the lower surface of the limiting slide block 18 is an inclined surface, and the limiting slide groove 20 is in the shape of "r", the limiting slide block 18 and the limiting slide groove 20 are matched with each other, so that the cutting blade 12 can only be counterclockwise rotated and cannot be clockwise rotated, thereby making the limiting slide block 18 and the limiting slide groove 20 only counterclockwise rotate and cannot clockwise rotate; when the positioning block 15 and the rotating block 9 are counterclockwise rotated by 90 degrees, the dull cutting blade 12 is synchronously driven to rotate by 90 degrees and rotate out of the cutting groove 26, so that the cutting blade 12 adjacent thereto rotates to the lowermost side and extends into the cutting groove 26; at this time, under the releasing force of the second tension spring 25, the limiting slide block 18 slides into the appropriate limiting slide groove 20, and the positioning block 15 and the rotating block 9 are again limited and positioned; at this time, the new cutting blade 12 at the lowermost side can slice the dustless paper, and the knife changing operation of the cutting blade 12 is completed.

[0041] According to the technical scheme, 1, the knife changing of the cutting blade 12 is convenient and fast, only needs to rotate the rotating rod 8 counterclockwise by 90 degrees, is efficient and flexible in operation, avoids the complicated process of stopping the slicing machine for dismounting and knife changing in the traditional knife changing, is more labor-saving and efficient, thereby improving the processing efficiency of the dustless paper and increasing the practicality of the slicing machine for processing the dustless paper.

[0042] 2, By pulling the handle block 24, the handle block 24 drives the positioning rod 22 to slide out of the disassembly groove 14, and then also drives the positioning rod 22 to slide out of the corresponding positioning hole 21, at this time the positioning rod 22 does not limit the disassembly block 13, so that the disassembly block 13 can slide out of the disassembly groove 14, and then the corresponding cutting blade 12 can be disassembled, and then the cutting blade 12 is convenient to replace and polish, so that the disassembly and installation of the cutting blade 12 are more efficient and convenient, and then the practicality and flexibility of the slicing machine for processing dust-free paper are increased.

[0043] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The above disclosed preferred embodiments of the utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A dustless paper processing slicer comprising a worktable (1), characterized in that, The upper surface of the workbench (1) is fixedly connected with two second supporting plates (4), the upper surface of the workbench (1) is provided with a limiting mechanism for limiting the height of the dust-free paper, a supporting block (7) is arranged between the two second supporting plates (4), a slicing mechanism is arranged on the supporting block (7), a cutting blade (12) is arranged on the slicing mechanism, the slicing mechanism uses the cutting blade (12) to slice the dust-free paper, a dismounting mechanism is arranged on the slicing mechanism, the dismounting mechanism facilitates dismounting of the cutting blade (12), a tool changing mechanism is arranged on the slicing mechanism, and the tool changing mechanism is used for quickly changing the cutting blade (12).

2. The slicing machine for processing of dust-free paper according to claim 1, characterized in that, The slicing mechanism comprises a threaded rod (6), the threaded rod (6) is rotatably connected between the two second supporting plates (4), the left end of the threaded rod (6) rotatably penetrates out of the left side surface of the second supporting plate (4) on the left side, a rotating motor (11) is fixedly connected to the left side surface of the second supporting plate (4) on the left side, the rotating output shaft of the rotating motor (11) is fixedly connected to the left end of the threaded rod (6), a limiting slide rod (5) is fixedly connected between the two second supporting plates (4), the supporting block (7) is slidably sleeved on the outer surface of the limiting slide rod (5), and the supporting block (7) is threadedly sleeved on the outer surface of the threaded rod (6).

3. The slicing machine for processing of the dust-free paper according to claim 2, characterized in that, The upper surface of the supporting block (7) is provided with a rotating groove (10) extending out of the lower surface thereof, rotating rods (8) are rotatably connected between the inner walls of the front and rear sides of the rotating groove (10), the front end of the rotating rod (8) rotatably penetrates out of the front side surface of the supporting block (7), a rotating block (9) is fixedly sleeved on the outer surface of the rotating rod (8), the outer surface of the rotating block (9) extends out of the upper and lower side surfaces of the supporting block (7) through the rotating groove (10), four dismounting grooves (14) are formed in the outer surface of the rotating block (9), and dismounting blocks (13) are slidably connected in the dismounting grooves (14). The outer surface of the dismounting block (13) away from the rotating rod (8) extends out of the outer surface of the rotating block (9) through the dismounting groove (14), the cutting blade (12) is fixedly connected to the outer surface of the dismounting block (13) away from the rotating rod (8), and the cutting edge of the cutting blade (12) is arranged in an inclined manner. The upper surface of the workbench (1) is provided with a cutting groove (26) extending out of the lower surface thereof, and the lowermost cutting blade (12) extends into the cutting groove (26).

4. The slicing machine for processing of the dust-free paper according to claim 3, characterized in that, The dismounting mechanism comprises positioning holes (21) which are formed in the rear side surface of the dismounting block (13), four positioning rods (22) which are slidingly connected to the rear side surface of the rotating block (9), the front end of the positioning rod (22) slidingly penetrates into the corresponding dismounting groove (14), the front end of the positioning rod (22) slidingly extends into the corresponding positioning hole (21), the rear end of the positioning rod (22) is fixedly connected with a handle block (24), the handle block (24) and the rotating block (9) are fixedly connected with a first tension spring (23), and the first tension spring (23) is slidingly sleeved on the outer surface of the positioning rod (22).

5. The slicing machine for processing of the dust-free paper according to claim 4, characterized in that, The tool changing mechanism comprises a positioning block (15) which is fixedly connected to the front side surface of the rotating block (9) and is fixedly sleeved on the outer surface of the rotating rod (8), the positioning block (15) is in a cylindrical shape, four limiting sliding grooves (20) are formed in the outer surface of the positioning block (15), the limiting sliding groove (20) is in an "r" shape, the limiting sliding groove (20) extends out of the front and rear outer surfaces of the positioning block (15), the upper surface of the support block (7) is fixedly connected with an "L"-shaped mounting block (16), and the upper surface of the horizontal block of the mounting block (16) is fixedly connected with a positioning sliding groove (17) which extends out of the lower surface thereof.

6. The slicing machine for processing of the dust-free paper according to claim 5, characterized in that, The lower surface of the limiting sliding block (18) is an inclined surface, the upper surface of the limiting sliding block (18) is fixedly connected with a positioning plate (19), the lower surface of the limiting sliding block (18) slidingly extends into the limiting sliding groove (20), the lower surface of the limiting sliding block (18) is slidingly connected with the limiting sliding groove (20), the lower surface of the limiting sliding block (18) is slidingly connected with the outer surface of the positioning block (15), the lower surface of the positioning plate (19) and the upper surface of the horizontal block of the mounting block (16) are fixedly connected with two second tension springs (25), the four limiting sliding grooves (20) are arranged in a central array with the rotating rod (8) as the center, the four cutting blades (12) are also arranged in a central array with the rotating rod (8) as the center, and the limiting sliding groove (20) and the corresponding cutting blade (12) correspond to each other.

7. The slicing machine for processing of the dust-free paper according to claim 1, characterized in that, The limiting mechanism comprises two first support plates (2), a rotating rod is rotatably connected between the two first support plates (2), and a limiting roller (3) is fixedly sleeved on the outer surface of the rotating rod.

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