Cutting device for napkin production
By designing a conveniently replaced cutting knife structure, the problem of uneven cutting napkins is solved, achieving convenience of replacement and improvement of cutting flatness.
Patent Information
- Application Number
- CN202422105496.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-08-29
AI Technical Summary
The existing napkin cutting device has a fast wear of the cutter, which causes the napkin cutting to be uneven, affecting the sales quality.
A cutting device is designed to drive the sliding blocks and sliding columns through the driving components to achieve convenient replacement of the cutting knife. Combined with the disassembly of the components and the fixed structure, the stability and replacement of the cutting knife are ensured.
It improves the flatness of napkin cutting, extends the service life of the cutter, and improves product quality.
Smart Images

Figure CN223199144U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of napkin cutting, in particular to a cutting device for napkin production. Background Art
[0002] The raw materials for napkin production include a variety of natural fibers such as wood pulp, straw pulp, bamboo pulp, as well as recycled materials such as waste paper pulp. These raw materials may contain certain impurities, such as bark, grass clippings, sand particles, etc. that have not been completely removed.
[0003] The existing napkins are transported by the operation of a folding mechanism, and then cut by a cutter that moves up and down.
[0004] Although the above equipment can cut napkins, napkins are relatively soft but contain impurities or hard fibers, which accelerates the wear of the cutter. If the cutter is not replaced, the napkins will be cut unevenly, which will affect the sales of this batch of paper towels. Utility Model Content
[0005] In view of this, the utility model provides a cutting device for napkin production. The utility model can replace the cutting mechanism, thereby improving the flatness of the napkin during cutting and avoiding the current uneven situation.
[0006] In order to solve the above technical problems, the utility model provides a cutting device for napkin production, including a paper stacker and a base, a carrying plate is arranged at the outlet of the paper stacker and the upper surface of the base, the base and the paper stacker provide support for the carrying plate, and cutting boxes are arranged at both ends of the paper stacker through brackets, the brackets provide support for the cutting box, and the cutting box is located on the upper surface of the carrying plate, which is characterized in that: a driving assembly is arranged in the cutting box, a fixed shell is arranged in the middle of the cutting box, the fixed shell is fixed to the cutting box by welding, a spring is arranged at the bottom of the fixed shell, the spring is fixed to the bottom of the fixed shell, a sliding round block is slidingly arranged in the fixed shell, the spring is connected to the bottom of the sliding round block, the sliding round block and the end of the spring are fixedly arranged, penetrating The cam is fixed to the upper end of the sliding column and is fixed with the sliding column by welding. The contact block is matched with the driving assembly. A disassembly assembly is provided at the bottom of the sliding column. The disassembly assembly includes a cutting knife arranged at the bottom of the sliding column; that is, through the operation of the driving assembly, the contact block contacts the driving assembly, and the indirect contact block moves downward to drive the sliding round block in the fixed shell to move downward, thereby causing the spring to contract, and then the cutting knife in the disassembly assembly moves downward, so that the napkin paper can be cut, and then the cutting knife can be easily replaced by using the disassembly assembly.
[0007] The disassembly assembly includes a disassembly shell arranged at the bottom of the sliding column, a groove is arranged in the disassembly shell, a T-slot is arranged on the side end of the disassembly shell, the T-slot and the groove are connected, a trapezoidal block is arranged in the T-slot and the groove, a connecting block is arranged at the bottom of the trapezoidal block, and a cutting knife is arranged at the bottom of the connecting block; that is, it is convenient to place the trapezoidal block and the connecting block.
[0008] The disassembly assembly includes a card slot arranged on one side of the disassembly shell, the card slot and the groove are connected, a card block is inserted in the card slot and the groove, the inclined surface of the card block is slidably arranged with the inclined surface of the trapezoidal block, and a pushing block is provided on the side end of the card block; that is, when the pushing block pushes the card block into the card slot, the inclined surface of the pushing block is flush with the inclined surface of the trapezoidal block, thereby providing fixity for the trapezoidal block.
[0009] The disassembly component includes a threaded hole on the card block, a threaded hole is provided on the side end of the disassembly shell, the threaded hole on the disassembly shell is corresponding to the threaded hole on the card block, the threaded hole is provided on the side end of the disassembly shell, a threaded rod is provided in the threaded hole, and a rotating knob is provided at the end of the threaded rod; that is, a person can rotate the threaded rod by driving the rotating knob, thereby limiting the card block.
[0010] The disassembly component is arranged on a fixed plate at the bottom of the cutting knife, two slide racks are arranged at the bottom of the carrying plate, two springs are arranged at the bottom of the two slide racks, a sliding plate is arranged between the two slide racks, and the upper surface of the fixed plate and the sliding plate are fixed by bolts; that is, a guide is provided for the cutting knife, which indirectly facilitates personnel to replace the lower end of the cutting knife.
[0011] The driving assembly includes a rotating shaft arranged in the cutting box, a rotating cam is arranged at the end of the rotating shaft, the rotating cam is slidingly arranged with the top of the contact block, a motor is arranged at the side end of the cutting box, and the output shaft of the motor is fixedly arranged at one end of the rotating shaft; that is, the motor can drive the rotating shaft, and the rotating shaft indirectly drives the rotating cam to rotate, so that the motor provides a rotating function for the rotating cam.
[0012] The top of the cutting box is provided with an avoidance opening, and the carrying plate is provided with a placement opening; that is, the avoidance opening facilitates the cam to avoid collision with the top of the cutting box when rotating, and the placement opening facilitates personnel to place the cutting knife.
[0013] In summary, compared with the prior art, this application has at least one of the following beneficial technical effects:
[0014] 1. First, fix the cutter blade with its fixing plate and the sliding plate bolts. Then, insert the trapezoidal block and the connecting block from the opening of the T-slot until the trapezoidal block is completely inserted into the groove. Move the push block to drive the clamping block into the clamping slot, and make the inclined surface of the clamping block slide into the inclined surface of the trapezoidal block and clamp it. The trapezoidal block is fixed in the groove. By rotating the rotary knob on the side of the disassembly housing, the external thread of the threaded rod is screwed into the threaded hole of the disassembly housing and the clamping block, thereby facilitating the fixing of the cutter blade. If replacing, first rotate the rotary knob in the opposite direction to withdraw the threaded rod from the threaded hole of the disassembly housing and the clamping block, thereby releasing the lock on the clamping block. Then, move the push block to withdraw the clamping block from the clamping slot, and remove the trapezoidal block and the connecting block together from the opening of the T-slot. The disassembly of the cutter blade is completed, making it easier for personnel to replace the cutter blade and indirectly improving the smooth cutting of the napkin by the cutter blade.
[0015] 2. The cam is driven by the output shaft of the motor, which indirectly causes the cam to touch the top contact block, causing the top contact block to drive the sliding round block to move downward, thereby causing the spring 1 to contract, and indirectly causing the sliding column to drive the cutting knife below to move downward. Because the cutting knife drives the sliding plate at the bottom to move downward, the spring 2 in the slide frame contracts accordingly, thereby providing stability for the cutting knife during cutting and improving the flatness of the cutting of the napkin by the cutting knife. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic structural diagram of a cutting device for napkin production according to the present invention;
[0017] Figure 2 This is a schematic structural diagram of a sectional view of a cutting box of the present invention;
[0018] Figure 3 For this utility model Figure 2 A structural diagram of the enlarged view at point A in FIG;
[0019] Figure 4 This is a structural diagram of the slide frame of the utility model;
[0020] Figure 5 This is a schematic diagram of the structure of the utility model disassembling the shell;
[0021] Figure 6 It is a structural schematic diagram of a side view of the paper stacking machine of the present invention.
[0022] Description of reference numerals:
[0023] 100, paper stacker; 101, carrier plate; 102, base; 103, cutting box; 104, bracket; 105, placement opening; 106, avoidance opening; 107, contact block; 108, sliding column; 109, sliding round block; 110, spring 1; 111, fixed housing;
[0024] 200, disassembly assembly; 201, cutting knife; 202, rotary knob; 203, slot; 204, groove; 205, push block; 206, clamping block; 207, fixing plate; 208, ladder block; 209, connecting block; 210, T-slot; 211, disassembly housing; 212, sliding plate; 213, slide bracket; 214, spring 2; 215, guide post; 216, threaded rod;
[0025] 300, driving assembly; 301, rotating cam; 302, motor; DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solutions and advantages of the embodiment of the present invention clearer, the following will be combined with the appended drawings of the embodiment of the present invention. Figure 1-6 , clearly and completely describing the technical solutions of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field fall within the scope of protection of the present invention.
[0027] like Figure 1-6As shown: This embodiment provides a cutting device for napkin production, including a paper stacker 100 and a base 102. A carrying plate 101 is set at the outlet of the paper stacker 100 and the upper surface of the base 102. The base 102 and the side ends of the paper stacker 100 are fixed by bolts, so that when the paper stacker 100 is in operation, the paper is continuously discharged, thereby touching the paper in front, indirectly causing the napkin paper at the rear to push the paper in front to move. Cutting boxes 103 are set at both ends of the paper stacker 100 through brackets 104. The cutting box 103 is located on the upper surface of the carrying plate 101. The bracket 104 fixes the cutting box 103 by bolts, and the bracket 104 is the cutting box. 103 provides support, which is characterized in that: a driving component 300 is provided in the cutting box 103, and the driving component 300 can operate in the cutting box 103, and a fixed shell 111 is provided in the middle of the cutting box 103, and the interior of the fixed shell 111 is a circular hollow groove, and a spring 110 is provided at the bottom of the fixed shell 111, and the spring 110 is fixed to the upper surface of the circular hollow groove in the fixed shell 111, and a sliding round block 109 is slidingly provided in the fixed shell 111, and the sliding round block 109 can move up and down in the circular hollow groove in the fixed shell 111, and the spring 110 is connected to the bottom of the sliding round block 109. When the sliding round block 109 moves downward in the fixed shell 111, The spring 110 is contracted, so that the spring 110 provides support for the sliding round block 109. A sliding column 108 is provided in the fixed shell 111. The sliding column 108 is located inside the spring 110. The sliding column 108 can move up and down in the fixed shell 111. The top of the sliding column 108 is provided with a contact block 107. The contact block 107 and the sliding round block 109 are fixed to the sliding column 108 by welding. The contact block 107 is provided in conjunction with the driving component 300. The bottom of the sliding column 108 is provided with a disassembly component 200. The disassembly component 200 includes a cutting knife 201 provided at the bottom of the sliding column 108. The operation of the driving component 300 can The contact block 107 is driven to move downward, thereby indirectly driving the sliding block 109 in the fixed housing 111 to move downward and compress the spring 110, so that the sliding column 108 drives the cutting knife 201 on the disassembly assembly 200 to move downward. Then, due to the rebound effect of the spring 110, the cutting knife 201 on the disassembly assembly 200 on the sliding column 108 is driven to move upward. In this way, the napkin can be cut. When the cutting knife 201 is worn, the cutting knife 201 can be replaced by disassembling the assembly 200. At the same time, the flatness of the cutting of the napkin by the cutting knife 201 is improved, which indirectly facilitates sales.
[0028] Disassembly assembly 200 Figure 2 The enlarged picture of point A is as follows Figure 3 and Figure 4 As shown,
[0029] The disassembly assembly 200 includes a disassembly housing 211 provided at the bottom of the sliding column 108 and fixed to the disassembly housing 211 by welding. A groove 204 is provided in the disassembly housing 211. A T-slot 210 is provided at the side end of the disassembly housing 211. The T-slot 210 is connected to the groove 204. A trapezoidal block is provided in the T-slot 210 and the groove 204. A connecting block 209 is provided at the bottom of the trapezoidal block. The connecting block 209 is fixed to the trapezoidal block by welding, so that the connection block 209 and the trapezoidal block are combined into a T shape, which indirectly facilitates personnel to insert from the T-slot 210, so that the connection block 209 and the trapezoidal block move downward. A cutting knife 201 is provided at the bottom of the connecting block 209, and the connecting block 209 is fixed to the cutting knife 201.
[0030] The disassembly assembly 200 includes a card slot 203 provided on one side of the disassembly housing 211. The card slot 203 is connected to the groove 204. A card block 206 is inserted into the card slot 203 and the groove 204. The inclined surface of the card block 206 is slidably arranged with the inclined surface of the trapezoidal block. A push block 205 is provided on the side end of the card block 206. The card block 206 is fixed to the push block 205 by welding. Then, by moving the push block 205, the card block 206 enters the card slot 203, so that the inclined surface of the card block 206 is aligned with the inclined surface of the trapezoidal block, thereby clamping the trapezoidal block, indirectly improving the fixation of the cutting knife 201.
[0031] The disassembly assembly 200 includes a threaded hole on the clamping block 206, and a threaded hole is provided on the side end of the disassembly housing 211. The threaded hole on the disassembly housing 211 is corresponding to the threaded hole on the clamping block 206. The threaded hole provided on the side end of the disassembly housing 211 has a threaded rod 216 provided therein. The end of the threaded rod 216 is provided with a rotating knob 202. The rotating knob 202 is welded to the threaded rod 216. When a person rotates the knob 202, the external thread of the threaded rod 216 enters the threaded holes of the disassembly housing 211 and the clamping block 206, thereby providing a limit for the clamping block 206.
[0032] The disassembly component 200 is set on the fixing piece 207 at the bottom of the cutting knife 201, and the fixing piece 207 is fixed to the end of the cutting knife 201 by welding. Two slide racks 213 are set between the bottom of the carrying plate 101 and the upper surface of one side of the paper stacking machine 100. The bottom of the two slide racks 213 is provided with a spring 214, so that when the cutting knife 201 moves downward, a guide column 215 is provided in the slide rack 213, and the guide column 215 is fixed in the guide column 215. The guide column 215 is located in the spring 214. A sliding plate 212 is set between the two slide racks 213, and the guide column 215 passes through the sliding plate 212. The fixing piece 207 and the upper surface of the sliding plate 212 are fixed by bolts. The cutting knife 201 is fixed to the upper surface of the sliding plate 212 through the fixing piece 207 at its bottom end. The sliding plate 212 is located between the two chute frames 213. The bottom of the two chute frames 213 is equipped with a spring 214 to provide a certain elastic support for the cutting knife 201.
[0033] When installing the cutting blade 201, when the cutting blade 201 needs to be installed on the disassembly assembly 200, the cutting blade 201 is first fixed to the sliding plate 212 through its fixing piece 207, and then the trapezoidal block and the connecting block 209 are inserted from the opening of the T-slot 210 until the trapezoidal block is completely inserted into the groove 204. Then, the pushing block 205 is moved to drive the clamping block 206 into the clamping groove 203, and the inclined surface of the clamping block 206 is slidably contacted and clamped with the inclined surface of the trapezoidal block. The trapezoidal block is fixed in the groove 204, thereby indirectly fixing the cutting blade 201. In order to further ensure the stability of the trapezoidal block (and the cutting blade 201), the outer thread of the threaded rod 216 is screwed into the threaded hole of the disassembly housing 211 and the clamping block 206 by rotating the rotating knob 202 at the side end of the disassembly housing 211. In this way, the clamping block 206 is securely locked in the slot 203, and the trapezoidal block and the cutting blade 201 are thus more stably fixed. When the cutting blade 201 needs to be disassembled, the rotary knob 202 is first rotated in the opposite direction to allow the threaded rod 216 to exit the threaded hole of the disassembly housing 211 and the clamping block 206, thereby releasing the lock on the clamping block 206. Then, the push block 205 is moved to allow the clamping block 206 to exit the slot 203, releasing the clamping of the trapezoidal block. Finally, the trapezoidal block, connecting block 209, and the cutting blade 201 are removed from the opening of the T-slot 210, completing the disassembly of the cutting blade 201. This makes it easier for personnel to replace the cutting blade 201 and indirectly improves the smoothness of the cutting of the napkin by the cutting blade 201.
[0034] Drive assembly 300 as Figure 6 As shown,
[0035] The drive assembly 300 includes a rotating shaft disposed within the cutting box 103. A rotating cam 301 is disposed at the end of the rotating shaft. The rotating cam 301 is fixed to the rotating shaft by welding. The rotating cam 301 is slidably disposed with the top of the contact block 107. A motor 302 is disposed at a side end of the cutting box 103. The output shaft of the motor 302 is fixedly disposed at one end of the rotating shaft.
[0036] By driving the motor 302 in the driving assembly 300 , the output shaft of the motor 302 drives the rotating shaft, which drives the rotating cam 301 to rotate, and indirectly causes the rotating cam 301 to slide against the contact block 107 .
[0037] Avoidance Exit 106 Figure 1 As shown,
[0038] The top of the cutting box 103 is provided with an escape opening 106. When the rotating cam 301 rotates, the escape opening 106 can prevent the rotating cam 301 from contacting the cutting box 103. The carrying plate 101 is provided with a placement opening 105. The placement opening 105 is convenient for personnel to install the cutting knife 201 and facilitates the up and down movement of the cutting knife 201.
[0039] Furthermore, it should be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0040] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles described in the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. A cutting device for producing napkin paper, comprising a paper stacker (100) and a base (102), wherein a carrying plate (101) is provided at an outlet of the paper stacker (100) and on an upper surface of the base (102), and cutting boxes (103) are provided at both ends of the paper stacker (100) via brackets (104), wherein the cutting box (103) is located on an upper surface of the carrying plate (101), and wherein: A driving assembly (300) is provided in the cutting box (103), a fixed shell (111) is provided in the middle of the cutting box (103), a spring (110) is provided at the bottom of the fixed shell (111), a sliding round block (109) is slidably provided in the fixed shell (111), the spring (110) is connected to the bottom of the sliding round block (109), a sliding column (108) is provided through the fixed shell (111), the sliding column (108) is located inside the spring (110), a contact block (107) is provided at the top of the sliding column (108), the contact block (107) is provided in cooperation with the driving assembly (300), a disassembly assembly (200) is provided at the bottom of the sliding column (108), and the disassembly assembly (200) includes a cutting knife (201) provided at the bottom of the sliding column (108).
2. A cutting device for napkin production according to claim 1, characterized in that: The disassembly assembly (200) comprises a disassembly housing (211) arranged at the bottom of the sliding column (108), a groove (204) being arranged in the disassembly housing (211), a T-slot (210) being arranged at the side end of the disassembly housing (211), the T-slot (210) being connected to the groove (204), a trapezoidal block being arranged in the T-slot (210) and the groove (204), a connecting block (209) being arranged at the bottom of the trapezoidal block, and a cutting knife (201) being arranged at the bottom of the connecting block (209).
3. A cutting device for napkin production according to claim 2, characterized in that: The disassembly assembly (200) comprises a card slot (203) provided on one side of the disassembly housing (211), the card slot (203) and the groove (204) being interlinked, a card block (206) being inserted into the card slot (203) and the groove (204), the inclined surface of the card block (206) being slidably arranged with the inclined surface of the trapezoidal block, and a pushing block (205) being provided at the side end of the card block (206).
4. A cutting device for napkin production according to claim 3, characterized in that: The disassembly assembly (200) includes a threaded hole provided on a clamping block (206), a threaded hole provided on a side end of the disassembly housing (211), the threaded hole on the disassembly housing (211) being arranged corresponding to the threaded hole on the clamping block (206), a threaded rod (216) provided in the threaded hole provided on the side end of the disassembly housing (211), and a rotating knob (202) provided at the end of the threaded rod (216).
5. A cutting device for napkin production according to claim 4, characterized in that: The disassembly assembly (200) includes a fixed plate (207) arranged at the bottom of the cutting knife (201), two slide racks (213) are arranged between the bottom of the carrier plate (101) and the upper surface of one side of the paper stacking machine (100), a spring 2 (214) is arranged at the bottom of the two slide racks (213), a guide column (215) is arranged in the slide rack (213), and the guide column (215) is located in the spring 2 (214), a sliding plate (212) is arranged between the two slide racks (213), the fixed plate (207) and the upper surface of the sliding plate (212) are fixed by bolts, and the guide column (215) runs through the sliding plate (212).
6. A cutting device for napkin production according to claim 5, characterized in that: The driving assembly (300) includes a rotating shaft arranged in a cutting box (103), a rotating cam (301) is arranged at the end of the rotating shaft, and the rotating cam (301) is arranged to slide with the top of the contact block (107), and a motor (302) is arranged at the side end of the cutting box (103), and the output shaft of the motor (302) is fixedly arranged at one end of the rotating shaft.
7. A cutting device for napkin production according to claim 6, characterized in that: The top of the cutting box (103) is provided with an avoidance opening (106), and the carrying plate (101) is provided with a placement opening (105).