A stay wire cutting mechanism

Abstract

This utility model belongs to the field of cigarette manufacturing technology and discloses a wire-cutting mechanism. The wire-cutting mechanism includes a first rotating shaft, a support base, a cutting assembly, adjusting components, and fixing components. The support base is sleeved on the first rotating shaft. The cutting assembly includes an adjusting seat and a cutter disposed on the adjusting seat. The cutter is used to cut the wire on the film. Multiple adjusting components are provided and spaced around the cutter. The adjusting components pass through the adjusting seat and abut against the support base, and are threadedly connected to the adjusting seat. A fixing component is provided between at least some adjacent adjusting components. The fixing component passes through the adjusting seat and is threadedly connected to the support base. The wire-cutting mechanism provided by this utility model allows each adjustment of the cutter to be completed based on the previous adjustment, which facilitates control of the position of the adjusting seat and effectively reduces the number of cutter adjustments and shortens the adjustment time.

Description

Technical Field

[0001] This utility model relates to the field of cigarette manufacturing technology, and in particular to a wire cutting mechanism. Background Technology

[0002] Cigarette boxes are usually wrapped in thin film to improve the airtightness and prevent the cigarette box from getting damp or damaged. For easy opening, the film usually has a pull string. The pull string protrudes a small end from the smooth film. Pulling the small end allows you to easily tear off the film and open the cigarette box.

[0003] Currently, film packaging is usually completed automatically by packaging equipment. This equipment typically includes a conveying device and a wire-cutting mechanism mounted on the conveying device. The conveying device attaches the wire to the film and transports both to the wire-cutting mechanism, which cuts the wire into the desired thread shape using a cutter. However, after a period of use, the cutter wears down, affecting the cutting quality, at which point the cutter position needs to be adjusted.

[0004] In related technologies, the wire cutting mechanism includes a rotating shaft, a support seat sleeved on the rotating shaft, an adjusting seat on the support seat, and a cutter on the adjusting seat. The cutter cuts the wire once per revolution of the rotating shaft. The adjusting seat is fastened to the support seat with bolts, and a gap is formed between the adjusting seat and the bolts. The position of the adjusting seat relative to the support seat is adjusted through this gap to adjust the position of the cutter. However, the position of the adjusting seat is difficult to control when adjusting the cutter, requiring repeated adjustments, which is time-consuming and affects the effective operating rate of the wire cutting mechanism. Utility Model Content

[0005] The purpose of this invention is to provide a wire-drawing cutting mechanism that facilitates the adjustment of the cutter position.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] A wire drawing and cutting mechanism is provided, comprising:

[0008] First pivot;

[0009] The support base is sleeved on the first rotating shaft;

[0010] A cutting assembly includes an adjustment base and a cutter disposed on the adjustment base, the cutter being used to cut the wires on the film;

[0011] The adjusting component is provided in multiple parts and is arranged at intervals around the cutter. The adjusting component passes through the adjusting seat and abuts against the support seat, and the adjusting component is threadedly connected to the adjusting seat.

[0012] A fixing member is provided between at least two adjacent adjusting members, the fixing member passing through the adjusting seat and threadedly connected to the support seat.

[0013] Optionally, the adjusting member includes two first adjusting members and two second adjusting members, the two first adjusting members being spaced apart along the axial direction of the first rotating shaft, and the two second adjusting members being spaced apart along the axial direction of the first rotating shaft.

[0014] The fixing component includes a first fixing component and a second fixing component. The first fixing component is disposed between the two first adjusting components, and the second fixing component is disposed between the two second adjusting components. The cutter is located between the first fixing component and the second fixing component along the circumferential direction of the first rotating axis.

[0015] Optionally, the support includes a first seat and a second seat, with a seat channel formed between the first seat and the second seat, the first rotating shaft passing through the seat channel, the adjusting member abutting against the first seat, and the fixing member being threadedly connected to the first seat.

[0016] Optionally, the support base further includes a first fastener, which passes through the second base body and is threadedly connected to the first base body.

[0017] Optionally, the adjusting seat includes an adjusting plate and a connecting block disposed on the adjusting plate. The adjusting member and the fixing member are both disposed on the adjusting plate. The adjusting member is threadedly connected to the adjusting plate. The connecting block has a first mounting groove at one end away from the first rotating shaft.

[0018] The cutter includes a connecting post and a blade body disposed on the first end of the connecting post, and the second end of the connecting post is slidably inserted into the first mounting groove.

[0019] The cutting assembly further includes an elastic element disposed in the first mounting groove, the first end of the elastic element abutting against the second end of the connecting post, and the second end of the elastic element abutting against the bottom of the first mounting groove.

[0020] Optionally, the connecting block has a second mounting groove communicating with the first mounting groove on its periphery, the connecting post has a limiting groove on its outer periphery, and the connecting post has a first limiting surface on the side of the limiting groove away from the blade body.

[0021] The cutting assembly further includes a limiting block, which is fixed in the limiting groove, and the limiting block has a second limiting surface on the side away from the blade body, which can fit against the first limiting surface.

[0022] Optionally, the first limiting surface is set at an angle to the sliding direction of the connecting column and is parallel to the axial direction of the first rotating shaft, and the limiting block is provided with an elongated hole;

[0023] The cutting assembly also includes a locking member that passes through the elongated hole and is threadedly connected to the connecting block.

[0024] Optionally, the connecting block has a third limiting surface on the side of the second mounting groove near the blade body;

[0025] The limiting block has a fourth limiting surface on the side near the blade body, and the fourth limiting surface is in contact with the third limiting surface.

[0026] Optionally, the first rotating shaft is further provided with a conveying wheel. The outer periphery of the conveying wheel has a first arc surface and a relief surface connected end to end. When the first rotating shaft rotates, it can contact the film through the first arc surface to drive the film to move. The relief surface remains separated from the film.

[0027] Optionally, the wire cutting mechanism further includes a second rotating shaft arranged parallel to the first rotating shaft, the second rotating shaft having a pad, the first rotating shaft and the second rotating shaft rotating in opposite directions, and the cutter being able to cut the wire located on the pad.

[0028] The beneficial effects of this utility model are as follows: When adjusting the cutter position of the wire cutting mechanism provided by this utility model, based on the cutting quality of the wire, at least one fixing component is loosened to create a clearance allowance between the adjusting seat and the support seat for adjustment. At least a portion of the adjusting component is then tightened, moving it towards the support seat and pushing the adjusting seat. This causes the adjusting seat to cause the cutter to swing at a certain angle relative to the support seat. The fixing component is then tightened, and a cutting test of the wire is performed. If the quality of the cutter's wire cutting is unsatisfactory, the above actions can be repeated until the quality meets the requirements. The adjusting component and the fixing component work together to ensure that each adjustment of the cutter is based on the previous adjustment, facilitating control of the adjusting seat position and effectively reducing the number of cutter adjustments, shortening adjustment time, and improving the effective operating rate of the wire cutting mechanism. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the wire cutting mechanism provided by this utility model;

[0030] Figure 2 This is a partial structural diagram of the film provided by this utility model at the unsealing end;

[0031] Figure 3 This is a schematic diagram of the wire cutting mechanism with a positioning sleeve provided by this utility model. Figure 1 ;

[0032] Figure 4 This is a schematic diagram of the wire cutting mechanism with a positioning sleeve provided by this utility model. Figure 2 ;

[0033] Figure 5 This is a partial structural cross-sectional view of the wire cutting mechanism with positioning sleeve provided by this utility model;

[0034] Figure 6 This is an exploded view of the cutting assembly provided by this utility model;

[0035] Figure 7 This is a schematic diagram of the wire cutting mechanism with a conveyor wheel provided by this utility model;

[0036] Figure 8 This is a schematic diagram of the wire cutting mechanism provided by this utility model at the pad block;

[0037] Figure 9 This is a schematic diagram of the cutting component provided by this utility model.

[0038] In the picture:

[0039] 10. Film; 20. Pull cord; 30. Unsealing end; 31. Tail; 32. Head;

[0040] 100. First pivot;

[0041] 200, Support base; 201, Base channel; 202, First mark; 203, First positioning hole; 210, First base; 220, Second base; 230, First fastener;

[0042] 300. Cutting assembly; 310. Adjusting seat; 311. Adjusting plate; 312. Connecting block; 3121. First mounting slot; 3122. Second mounting slot; 3123. Third limiting surface; 320. Cutting blade; 321. Blade body; 322. Blade edge; 323. Connecting post; 3231. Limiting slot; 3232. First limiting surface; 330. Elastic element; 340. Limiting block; 341. Second limiting surface; 342. Elongated hole; 343. Fourth limiting surface; 350. Locking element;

[0043] 400. Adjustment component; 410. First adjustment component; 420. Second adjustment component;

[0044] 500. Fastener; 510. First fastener; 520. Second fastener;

[0045] 600, Positioning sleeve; 601, Positioning channel; 602, First scale line; 603, Second positioning hole; 610, First half-assembly piece; 620, Second half-assembly piece; 630, Second fastener;

[0046] 710. Locating pin; 720. Push-pull component; 730. Third fastener;

[0047] 800. Conveyor wheel; 810. First arc surface; 820. Yield surface;

[0048] 910, Second pivot; 920, Pad block. Detailed Implementation

[0049] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0050] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0051] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0052] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0053] Reference Figures 1 to 9 As shown, this embodiment provides a wire cutting mechanism, which includes a first rotating shaft 100, a support base 200, a cutting assembly 300, an adjusting component 400, and a fixing component 500.

[0054] The support base 200 is sleeved on the first rotating shaft 100; the cutting assembly 300 includes an adjustment base 310 and a cutter 320 disposed on the adjustment base 310. The cutter 320 is used to cut the pull wire 20 on the film 10. It can be understood that the cutter 320 will cut the pull wire 20 once every time the first rotating shaft 100 rotates.

[0055] Multiple adjusting members 400 are provided and spaced around the cutter 320. The adjusting members 400 pass through the adjusting seat 310 and abut against the support seat 200, and the adjusting members 400 are threadedly connected to the adjusting seat 310. At least two adjacent adjusting members 400 are provided with a fixing member 500, which passes through the adjusting seat 310 and is threadedly connected to the support seat 200.

[0056] Understandably, after a period of use, the cutter 320 of the wire cutting mechanism will wear down, resulting in poor cutting quality of the wire 20, and sometimes the wire 20 may not be completely cut. In this case, the position of the cutter 320 needs to be adjusted.

[0057] When adjusting the position of the cutter 320, depending on the cutting quality of the wire 20, such as the specific location where the wire 20 was not completely cut, loosen at least one fixing piece 500 to create a clearance between the adjusting seat 310 and the support seat 200 for adjustment. Tighten at least part of the adjusting piece 400, causing it to move towards the support seat 200 and push the adjusting seat 310, causing the cutting piece 320 to swing relative to the support seat 200 at a certain angle. Tighten the fixing piece 500 and perform a cutting test on the wire 20 by the cutting piece 320. If the cutting quality of the wire 20 is unsatisfactory, the above steps can be repeated until the cutting quality meets the requirements. The adjusting piece 400 and the fixing piece 500 work together to ensure that each adjustment of the cutting piece 320 is based on the previous adjustment, facilitating control of the position of the adjusting seat 310, effectively reducing the number of adjustments required, shortening adjustment time, and improving the effective operating rate of the wire cutting mechanism.

[0058] For example, the adjusting seat 310 is provided with fixing holes (not shown), and the fixing holes are provided one-to-one with the fixing members 500, with the fixing members 500 passing through the corresponding fixing holes. It can be understood that the gap between the outer periphery of the fixing member 500 and the fixing hole is small. When all the fixing members 500 are loosened, with the abutting cooperation between the adjusting member 400 and the support seat 200, the adjusting seat 310 can maintain a relatively stable position relative to the support seat 200, which is conducive to controlling the position of the adjusting seat 310, effectively reducing the number of adjustments to the cutter 320, and shortening the adjustment time.

[0059] For example, the adjusting member 400 can be a bolt, such as an internal hex bolt.

[0060] For example, the fastener 500 can be a bolt, such as an internal hex bolt.

[0061] For example, to increase the probability of the cutter 320 cutting the pull cord 20 and to facilitate the unpacking of the film 10, the cutter 320 can cut a portion of the film 10. In this embodiment, the cutter 320 cuts the pull cord 20 and a portion of the film 10 to form an unpacking end 30. It can be understood that the unpacking end 30 is composed of a portion of the film 10 and a portion of the pull cord 20.

[0062] In this embodiment, reference is made to Figure 1 As shown, the support base 200 includes a first base 210 and a second base 220, with a base channel 201 formed between the first base 210 and the second base 220. A first rotating shaft 100 passes through the base channel 201; in other words, the first rotating shaft 100 is sandwiched between the first base 210 and the second base 220. An adjusting member 400 abuts against the first base 210, and a fixing member 500 is threadedly connected to the first base 210. It can be understood that the adjusting seat 310 is fixed to the first base 210. In this embodiment, the support base 200 has a split design, which facilitates disassembly and assembly, and is beneficial for replacing the cutting assembly 300.

[0063] In one feasible embodiment, the support base 200 further includes a first fastener 230, which passes through the second base 220 and is threadedly connected to the first base 210. The structure is compact, and the first fastener 230 and the adjusting base 310 do not interfere with each other. In this embodiment, the first fastener 230 enables the first base 210 and the second base 220 to be clamped and fixed on the first rotating shaft 100. Loosening the first fastener 230 and rotating the support base 200 relative to the first rotating shaft 100 adjusts the circumferential angle of the cutter 320 along the first rotating shaft 100, thus adjusting the position of the cutter 320 cutting the pull wire 20 along its length. Loosening the first fastener 230 and moving the support base 200 axially along the first rotating shaft 100 adjusts the position of the cutter 320 cutting the pull wire 20 along its width.

[0064] For example, the adjustment seat 310 is located on the side of the first seat 210 away from the second seat 220.

[0065] For example, the first fastener 230 may be a bolt, such as an internal hex bolt.

[0066] For example, four first fasteners 230 are provided, with each pair forming a group, and the first rotating shaft 100 is located between two groups of first fasteners 230. Of course, the number of first fasteners 230 can also be other, such as two or six, and this embodiment is not limited thereto.

[0067] For example, a first pin (not shown) may be provided between the first base 210 and the second base 220, which facilitates the positioning and assembly between the first base 210 and the second base 220. One end of the first pin is inserted into the first base 210, and the other end is inserted into the second base 220.

[0068] In this embodiment, reference is made to Figures 3 to 5 As shown, the wire cutting mechanism also includes a positioning sleeve 600, which is sleeved on the first rotating shaft 100. The positioning sleeve 600 abuts against the support seat 200 along the axial direction of the first rotating shaft 100 to achieve axial positioning of the support seat 200 along the first rotating shaft 100. When it is necessary to adjust the position of the cutter 320 cutting the wire 20 along the length direction of the wire 20, the first fastener 230 is loosened and the support seat 200 is rotated relative to the first rotating shaft 100 to adjust it. Then, the support seat 200 and the positioning sleeve 600 abut against each other along the axial direction of the first rotating shaft 100, and the first fastener 230 is tightened. The positioning sleeve 600 can achieve axial positioning of the support shaft along the first rotating shaft 100. It can be understood that adjusting the position of the cutter 320 cutting the wire 20 along the length direction of the wire 20 will not affect the position of the cutter 320 cutting the wire 20 along the width direction of the wire 20.

[0069] In one feasible implementation, the positioning sleeve 600 is provided with a first scale line 602 to facilitate positioning and adjusting the angle of the support base 200. For example, the support base 200 is provided with a first mark 202, which can be triangular or arrow-shaped, and is used in conjunction with the first scale line 602 to facilitate identification of the angular position of the support base 200 relative to the positioning sleeve 600.

[0070] For example, the first mark 202 is located on the second seat 220 and will not interfere with the adjustment seat 310.

[0071] In one feasible implementation, the positioning sleeve 600 includes a first half-piece 610 and a second half-piece 620, with a positioning channel 601 formed between the first half-piece 610 and the second half-piece 620, and a first rotating shaft 100 passing through the positioning channel 601. In other words, the first rotating shaft 100 is sandwiched between the first half-piece 610 and the second half-piece 620.

[0072] For example, the first scale line 602 is provided on the first half-assembly 610.

[0073] In one possible implementation, the positioning sleeve 600 further includes a second fastener 630, which passes through the first half-piece 610 and is threadedly connected to the second half-piece 620.

[0074] For example, the second fastener 630 may be a bolt, such as an internal hex bolt.

[0075] For example, two second fasteners 630 are provided, and the first rotating shaft 100 is located between the two second fasteners 630. Of course, the number of second fasteners 630 can also be other, such as four or six, and this embodiment is not limited thereto.

[0076] For example, a second pin (not shown) may be provided between the first half-assembly 610 and the second half-assembly 620, which facilitates the positioning and assembly between the first half-assembly 610 and the second half-assembly 620. One end of the second pin is inserted into the first half-assembly 610, and the other end is inserted into the second half-assembly 620.

[0077] In one feasible implementation, the wire cutting mechanism further includes a positioning pin 710. The support base 200 is provided with a first positioning hole 203 along the axial direction of the first rotating shaft 100, and the positioning sleeve 600 is provided with a second positioning hole 603 along the axial direction of the first rotating shaft 100. The positioning pin 710 passes through the first positioning hole 203 and the second positioning hole 603 to realize the circumferential positioning of the support base 200 along the first rotating shaft 100.

[0078] For example, the first positioning hole 203 is provided on the second seat 220.

[0079] For example, the second positioning hole 603 is provided on the first half-assembly 610.

[0080] When adjusting the circumferential position of the cutter 320 along the first rotating shaft 100, the positioning pin 710 must first be removed from at least one of the first positioning hole 203 and the second positioning hole 603. Then, the support base 200 is rotated, and the first fastener 230 is tightened again, causing the first positioning hole 203 and the second positioning hole 603 to become misaligned. At this time, the second fastener 630 can be loosened first, the positioning sleeve 600 can be rotated to make the first positioning hole 203 and the second positioning hole 603 face each other, and then the positioning pin 710 can be inserted into the second positioning hole 603 and the second fastener 630 can be tightened.

[0081] When adjusting the position of the cutter 320 away from the positioning sleeve 600, the first fastener 230 must be loosened first, then the support base 200 moved, and finally the first fastener 230 tightened. During this process, the support base 200 will not rotate under the action of the positioning pin 710. It is understandable that adjusting the position of the cutter 320 along the width direction of the pull wire 20 to cut the pull wire 20 will not affect the position of the cutter 320 along the length direction of the pull wire 20.

[0082] When adjusting the position of the cutter 320 towards the positioning sleeve 600, first loosen the second fastener 630, move the positioning sleeve 600, and then tighten the second fastener 630. During this process, the positioning sleeve 600 will not rotate under the action of the positioning pin 710. Then loosen the first fastener 230, move the support base 200 until it abuts against the positioning sleeve 600, and then tighten the first fastener 230. During this process, the support base 200 will not rotate under the action of the positioning pin 710. It can be understood that adjusting the position of the cutter 320 along the width direction of the pull wire 20 to cut the pull wire 20 will not affect the position of the cutter 320 along the length direction of the pull wire 20.

[0083] In one feasible embodiment, the wire cutting mechanism further includes a push-pull member 720, which is stepped. The small end of the push-pull member 720 is connected to the positioning pin 710, and the diameter of the large end of the push-pull member 720 is larger than the diameter of the positioning pin 710. The positioning pin 710 is pushed and pulled by the large end of the push-pull member 720, so that the positioning pin 710 slides relative to the first positioning hole 203 and the second positioning hole 603. It is understood that the large end of the push-pull member 720 has a larger diameter than the first positioning hole 203 and the second positioning hole 603, that is, the large end of the push-pull member 720 will not enter the first positioning hole 203 and the second positioning hole 603, which is beneficial for pushing and pulling the positioning pin 710.

[0084] For example, the push-pull member 720 is located at the end of the positioning pin 710 away from the positioning sleeve 600.

[0085] For example, the push-pull member 720 can be a bolt, such as an internal hex bolt.

[0086] In one feasible implementation, to prevent the positioning pin 710 from dislodging from the first positioning hole 203 and the second positioning hole 603 during the use of the wire cutting mechanism, the wire cutting mechanism further includes a third fastener 730, which passes through the support base 200 and abuts against the periphery of the positioning pin 710, and the third fastener 730 is threadedly connected to the support base 200.

[0087] For example, the third fastener 730 passes through the second seat 220 and is threadedly connected to the second seat 220.

[0088] For example, the third fastener 730 may be a set screw.

[0089] In this embodiment, reference is made to Figure 1 and Figure 6 As shown, the cutter 320 includes a blade body 321, which is used to cut the wire 20. In some embodiments, the blade body 321 is provided with a cutting edge 322, and the blade body 321 cuts the wire 20 through the cutting edge 322.

[0090] For example, the blade 322 can be U-shaped so that the unpacking end 30 is U-shaped, making it easy to pull.

[0091] In this embodiment, reference continues to be made to... Figure 1 and Figure 6 As shown, the adjusting seat 310 includes an adjusting plate 311 and a connecting block 312 disposed on the adjusting plate 311. The adjusting member 400 and the fixing member 500 both pass through the adjusting plate 311, and the adjusting member 400 is threadedly connected to the adjusting plate 311. In this embodiment, the adjusting plate 311 provides clearance, facilitating the use of tools to tighten or loosen the adjusting member 400 and the fixing member 500.

[0092] In one feasible implementation, the connecting block 312 has a first mounting groove 3121 at the end away from the first rotating shaft 100; the cutter 320 also includes a connecting post 323, with the blade body 321 disposed at the first end of the connecting post 323, and the second end of the connecting post 323 slidably inserted into the first mounting groove 3121; the cutting assembly 300 also includes an elastic member 330 disposed in the first mounting groove 3121, with the first end of the elastic member 330 abutting against the second end of the connecting post 323, and the second end of the elastic member 330 abutting against the bottom of the first mounting groove 3121. In this embodiment, the connecting post 323 is slidably inserted into the first mounting groove 3121, resulting in a compact structure; and the provision of the second elastic member 330 can buffer the impact on the cutter 320 when cutting the wire 20, which helps to reduce the wear of the cutter 320.

[0093] For example, the elastic element 330 can be a spring.

[0094] In one feasible embodiment, the connecting block 312 has a second mounting groove 3122 communicating with the first mounting groove 3121 on its periphery, and the connecting post 323 has a limiting groove 3231 on its outer periphery. The connecting post 323 has a first limiting surface 3232 on the side of the limiting groove 3231 away from the blade body 321. The cutting assembly 300 also includes a limiting block 340, which is fixed within the limiting groove 3231. The limiting block 340 has a second limiting surface 341 on the side of the limiting block 340 away from the blade body 321. The second limiting surface 341 can fit against the first limiting surface 3232 to form a limit, thereby restricting the length of the connecting post 323 extending out of the first mounting groove 3121, ensuring stability and reliability. It is understood that the first limiting surface 3232 and the second limiting surface 341 are parallel to each other. It is understandable that a gap is formed between the limiting block 340 and the limiting groove 3231 along the sliding direction of the connecting post 323, so that the connecting post 323 can extend and retract relative to the connecting block 312, which helps to buffer the impact on the cutter 320 when cutting the wire 20.

[0095] In one feasible implementation, the first limiting surface 3232 is set at an angle to the sliding direction of the connecting post 323 and is parallel to the axial direction of the first rotating shaft 100. The limiting block 340 is provided with an elongated hole 342. The cutting assembly 300 also includes a locking member 350, which passes through the elongated hole 342 and is threadedly connected to the connecting block 312. In this embodiment, when the cutter 320 wears, the locking member 350 can be loosened and the position of the limiting block 340 can be adjusted to increase the length of the connecting post 323 extending out of the first mounting groove 3121, so that the cutter 320 is suitable for cutting the pull wire 20.

[0096] For example, a second scale line (not shown) may be provided on the connecting block 312 to facilitate the positioning adjustment of the limiting block 340. For example, a second mark (not shown) may be provided on the limiting block 340. The second mark may be triangular or arrow-shaped and used in conjunction with the second scale line to facilitate the identification of the moving position of the limiting block 340.

[0097] For example, the length direction of the elongated hole 342 is perpendicular to the sliding direction of the connecting post 323.

[0098] For example, two locking members 350 are provided along the length of the elongated hole 342, and are provided in a one-to-one correspondence with the elongated hole 342. Of course, the number of locking members 350 can also be other, such as three or four, and this embodiment is not limited thereto.

[0099] In one feasible implementation, the connecting block 312 has a third limiting surface 3123 on the side of the second mounting groove 3122 near the blade body 321; the limiting block 340 has a fourth limiting surface 343 on the side of the limiting block 340 near the blade body 321, and the fourth limiting surface 343 is in contact with the third limiting surface 3123 to limit the positioning of the limiting block 340. For example, when tightening the locking member 350, the third limiting surface 3123 and the fourth limiting surface 343 can remain in contact, which is beneficial for the positioning adjustment of the limiting block 340.

[0100] For example, the sliding direction of the third limiting surface 3123 is perpendicular to that of the connecting post 323.

[0101] In this embodiment, reference is made to Figure 1 and Figure 7 As shown, the first rotating shaft 100 is also provided with a conveying wheel 800. The outer periphery of the conveying wheel 800 has a first arc surface 810 and a clearance surface 820 connected end to end. When the first rotating shaft 100 rotates, it can contact the film 10 through the first arc surface 810 to drive the film 10 to move. The clearance surface 820 remains separated from the film 10. For example, the packaging equipment provided with the wire cutting mechanism has a film cutting mechanism. After the wire 20 is cut and the first arc surface 810 drives the film 10 to move a certain distance, the first arc surface 810 detaches from the film 10, and the clearance surface 820 is opposite to and separate from the film 10. At this time, the first rotating shaft 100 rotates but the film 10 does not move. The film cutting mechanism cuts the film 10, and the separated film 10 has an unsealing end 30, which can be used for subsequent cigarette box packaging. The film cutting mechanism is prior art and is not the focus of this application. This embodiment will not elaborate on it further.

[0102] For example, when the first arcuate surface 810 contacts the film 10, the cutter 320 cuts the wire 20. It can be understood that the first arcuate surface 810 and the cutter 320 are opposite each other along the axial direction of the first rotating shaft 100.

[0103] For example, the yield surface 820 can be set as a plane.

[0104] For example, a plurality of conveyor wheels 800 are provided along the axial direction of the first rotating shaft 100.

[0105] In this embodiment, reference is made to Figure 1 and Figure 8As shown, the wire cutting mechanism also includes a second rotating shaft 910 arranged parallel to the first rotating shaft 100. A pad 920 is provided on the second rotating shaft 910. The rotation directions of the first rotating shaft 100 and the second rotating shaft 910 are opposite, and the cutter 320 can cut the wire 20 located on the pad 920. In this embodiment, the rotation directions of the first rotating shaft 100 and the second rotating shaft 910 are opposite. By adjusting the rotation speed of the first rotating shaft 100 and the second rotating shaft 910, for example, by making their rotation speeds the same, the sliding of the cutter 320 relative to the pad 920 can be reduced, effectively reducing the wear of the cutter 320.

[0106] In some embodiments, the adjusting member 400 includes two first adjusting members 410 and two second adjusting members 420. The two first adjusting members 410 are spaced apart along the axial direction of the first rotating shaft 100, and the two second adjusting members 420 are spaced apart along the axial direction of the first rotating shaft 100. The fixing member 500 includes a first fixing member 510 and a second fixing member 520. The first fixing member 510 is disposed between the two first adjusting members 410, and the second fixing member 520 is disposed between the two second adjusting members 420. The cutter 320 is located between the first fixing member 510 and the second fixing member 520 along the circumferential direction of the first rotating shaft 100.

[0107] For example, the adjustment plate 311 is rectangular in shape, and the two first adjustment members 410 and the two second adjustment members 420 are located at the four corners of the adjustment plate 311 respectively.

[0108] For example, taking the shape of the blade 322 as U-shaped, the U-shaped opening of the blade 322 faces the second fixing member 520.

[0109] like Figure 2 and Figure 9 As shown, when the left side of the unpacking end 30 cannot be cut by the cutter 320, the first fixing member 510 and the second fixing member 520 can be loosened, and the first adjusting member 410 and the second adjusting member 420 on the left side can be screwed on to move the first adjusting member 410 and the second adjusting member 420 toward the support base 200 and push the adjusting base 310. The adjusting base 310 causes the cutter 320 to swing to the right at a certain angle relative to the support base 200. Tightening the first fixing member 510 and the second fixing member 520 will deepen the cut on the left side of the unpacking end 30 or completely cut the pull wire 20. It is understood that if the left side of the unpacking end 30 still cannot be cut by the cutter 320, the above operation can be repeated.

[0110] For example, the adjustment method of the cutter 320 that prevents the right side of the unpacking end 30 from being cut off by the cutter 320 is similar to the adjustment method of the cutter 320 that prevents the left side of the unpacking end 30 from being cut off by the cutter 320, and will not be described in detail in this embodiment.

[0111] like Figure 2and Figure 9 As shown, when the two sides of the tail 31 of the unpacking end 30 are cut off while the edge of the head 32 remains connected, the first fixing member 510 and the second fixing member 520 can be loosened, or only the first fixing member 510 can be loosened. The two first adjusting members 410 are then screwed on to move towards the support base 200 and push the adjusting seat 310. The adjusting seat 310 causes the cutter 320 to swing relative to the support base 200 towards the second fixing member 520 at a certain angle. Tightening the first fixing member 510 and the second fixing member 520 further deepens the cut on the edge of the head 32 of the unpacking end 30 or completely cuts off the pull wire 20. It is understood that if the head 32 of the unpacking end 30 still cannot be cut off by the cutter 320, the above operation can be repeated. Taking the U-shaped opening end 30 as an example, the two sides of the tail 31 of the opening end 30 refer to the two sides of the opening end 30 along the width direction of the pull line 20, and the edge of the head 32 of the opening end 30 refers to the arc-shaped edge.

[0112] For example, the adjustment method of the cutter 320 in which the edge of the head 32 of the unpacking end 30 is cut off and the two sides of the tail 31 are connected is similar to the adjustment method of the cutter 320 in which the two sides of the tail 31 of the unpacking end 30 are cut off and the edge of the head 32 is connected. This embodiment will not elaborate further.

[0113] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A wire-drawing and cutting mechanism, characterized in that, include: First rotating shaft (100); A support base (200) is sleeved on the first rotating shaft (100); The cutting assembly (300) includes an adjustment base (310) and a cutter (320) disposed on the adjustment base (310), the cutter (320) being used to cut the wires (20) on the film (10); Adjustment member (400) is provided in multiple and spaced around the cutter (320). The adjustment member (400) passes through the adjustment seat (310) and abuts against the support seat (200). The adjustment member (400) is threadedly connected to the adjustment seat (310). The fixing member (500) is provided between at least two adjacent adjusting members (400), the fixing member (500) passes through the adjusting seat (310) and is threadedly connected to the support seat (200).

2. The wire cutting mechanism according to claim 1, characterized in that, The adjusting member (400) includes two first adjusting members (410) and two second adjusting members (420). The two first adjusting members (410) are spaced apart along the axial direction of the first rotating shaft (100), and the two second adjusting members (420) are spaced apart along the axial direction of the first rotating shaft (100). The fixing member (500) includes a first fixing member (510) and a second fixing member (520). The first fixing member (510) is disposed between two first adjusting members (410), and the second fixing member (520) is disposed between two second adjusting members (420). The cutter (320) is located between the first fixing member (510) and the second fixing member (520) along the circumference of the first rotating shaft (100).

3. The wire cutting mechanism according to claim 1, characterized in that, The support base (200) includes a first base body (210) and a second base body (220), a base body channel (201) is formed between the first base body (210) and the second base body (220), the first rotating shaft (100) passes through the base body channel (201), the adjusting member (400) abuts against the first base body (210), and the fixing member (500) is threadedly connected to the first base body (210).

4. The wire cutting mechanism according to claim 3, characterized in that, The support base (200) further includes a first fastener (230), which passes through the second base body (220) and is threadedly connected to the first base body (210).

5. The wire cutting mechanism according to claim 1, characterized in that, The adjusting seat (310) includes an adjusting plate (311) and a connecting block (312) disposed on the adjusting plate (311). The adjusting member (400) and the fixing member (500) are both disposed through the adjusting plate (311). The adjusting member (400) is threadedly connected to the adjusting plate (311). The connecting block (312) has a first mounting groove (3121) at one end away from the first rotating shaft (100). The cutter (320) includes a connecting post (323) and a blade body (321) disposed on the first end of the connecting post (323), and the second end of the connecting post (323) is slidably inserted into the first mounting groove (3121); The cutting assembly (300) further includes an elastic element (330) disposed in the first mounting groove (3121), the first end of the elastic element (330) abutting against the second end of the connecting post (323), and the second end of the elastic element (330) abutting against the bottom of the first mounting groove (3121).

6. The wire cutting mechanism according to claim 5, characterized in that, The connecting block (312) has a second mounting groove (3122) on its periphery that communicates with the first mounting groove (3121), the connecting post (323) has a limiting groove (3231) on its outer periphery, and the connecting post (323) has a first limiting surface (3232) on the side of the limiting groove (3231) away from the blade body (321). The cutting assembly (300) further includes a limiting block (340), which is fixed in the limiting groove (3231). The limiting block (340) has a second limiting surface (341) on the side away from the blade body (321), and the second limiting surface (341) can fit against the first limiting surface (3232).

7. The wire cutting mechanism according to claim 6, characterized in that, The first limiting surface (3232) is set at an angle to the sliding direction of the connecting column (323) and is parallel to the axis of the first rotating shaft (100). The limiting block (340) is provided with an elongated hole (342). The cutting assembly (300) also includes a locking member (350) which passes through the elongated hole (342) and is threadedly connected to the connecting block (312).

8. The wire cutting mechanism according to claim 6, characterized in that, The connecting block (312) has a third limiting surface (3123) on the side of the second mounting groove (3122) near the blade body (321); The limiting block (340) has a fourth limiting surface (343) on the side near the blade body (321), and the fourth limiting surface (343) is in contact with the third limiting surface (3123).

9. The wire cutting mechanism according to claim 1, characterized in that, The first rotating shaft (100) is also provided with a conveying wheel (800). The outer periphery of the conveying wheel (800) has a first arc surface (810) and a clearance surface (820) connected end to end. When the first rotating shaft (100) rotates, it can contact the film (10) through the first arc surface (810) to drive the film (10) to move. The clearance surface (820) remains separated from the film (10).

10. The wire cutting mechanism according to claim 1, characterized in that, The wire cutting mechanism further includes a second rotating shaft (910) arranged parallel to the first rotating shaft (100), and a pad (920) is provided on the second rotating shaft (910). The first rotating shaft (100) and the second rotating shaft (910) rotate in opposite directions, and the cutter (320) can cut the wire (20) located on the pad (920).

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