Precise and automatic calibration slitting device
By designing a longitudinal shearing and striping device including a box, conveying rod, knife rod, blade and precise automatic calibration adjustment structure, the flexibility and precise calibration problems of traditional devices when dealing with tapes of different sizes are solved, and effectively treating slags through the collection box, improving product quality and cleanliness of the working environment.
Patent Information
- Application Number
- CN202421726330.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-22
AI Technical Summary
Traditional longitudinal shearing and stripping devices lack flexibility when handling tapes of different sizes, making it difficult to achieve accurate and automatic calibration, and the slag treatment is inconvenient, which affects product quality and working environment.
A precise and automatic calibration longitudinal shear striping device is designed, including a box, conveying rod, tool rod, blade, precision automatic calibration adjustment structure and collection box. The device realizes accurate automatic calibration of the blade through electric telescopic rods, gears, racks and displacement sensors, and realizes the limiting, conveying and longitudinal shearing strips of the tape through sprockets, chains and motor-driven conveyor rods. Meanwhile, the collection box is used to block and collect the debris produced by the longitudinal shear strips.
The device can flexibly adapt to the limit, conveying and longitudinal shearing strips of different sizes of tape, realize accurate automatic calibration of the blade, control the size of longitudinal shearing strips of tape, and effectively block and collect slag, improving product quality and cleanliness of the working environment.
Smart Images

Figure CN222790740U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metal processing, in particular to a precise and automatically calibrated longitudinal shearing and slitting device. Background Art
[0002] In the sheet metal processing industry, longitudinal shearing and slitting devices are indispensable equipment, which are widely used in longitudinal shearing of various metal strips such as tinplate, silicon steel sheet, aluminum strip, copper, stainless steel plate, galvanized plate, etc., to meet the production needs of different fields. However, with the increasing production requirements, traditional longitudinal shearing and slitting devices have gradually revealed their limitations when dealing with complex processing tasks.
[0003] For example, a Chinese utility model patent with authorization announcement number CN220825522U discloses a longitudinal cutting and slitting device, including a machine table, a longitudinal cutting mechanism is arranged above the machine table, a spacing adjustment mechanism is arranged above the machine table, the longitudinal cutting mechanism includes two longitudinal scissor rollers, the outer surface of each longitudinal scissor roller is fixedly mounted with a first gear, the outer surfaces of the two first gears are jointly meshed with a first toothed belt, the spacing adjustment mechanism includes two frames, the upper surface of each frame is fixedly mounted with two servo motors, the output shaft of each servo motor is fixedly mounted with a lead screw, the outer surface of each lead screw is threadedly connected with a slider, two groups of fixed blocks are arranged above the machine table, the outer surface of one of the two groups of fixed blocks is fixedly connected to the inner wall of the frame, and the longitudinal cutting and slitting device, by providing the longitudinal cutting mechanism and the spacing adjustment mechanism, can lift and lower one of the longitudinal scissor rollers and the fixed block by the cooperation of the servo motor, the lead screw and the slider.
[0004] Although the above-mentioned longitudinal slitting device realizes the lifting and lowering adjustment of the longitudinal scissor rollers through the cooperation of the servo motor, the lead screw and the slider, thereby meeting the needs of spacing adjustment to a certain extent, there are still many deficiencies in practical applications. First, the device lacks flexibility in the limiting, conveying and longitudinal slitting of strips of different sizes, and it is difficult to quickly adapt to diverse production needs. Secondly, the calibration and adjustment of the blade still relies on manual operation, which is not only inefficient, but also difficult to achieve high-precision automatic calibration, resulting in difficulty in accurately controlling the slitting size, affecting product quality. In addition, the device also has deficiencies in the handling of debris generated during the longitudinal slitting process. The lack of an effective shielding and collection mechanism increases the difficulty of cleaning the working environment and safety hazards.
[0005] Therefore, we propose a precise and automatically calibrated longitudinal cutting and slitting device to solve the above problems. Utility Model Content
[0006] The purpose of the utility model is to provide a precise and automatically calibrated longitudinal slitting device to solve the problem that the existing longitudinal slitting devices proposed in the above background technology are generally not convenient for limiting, conveying and longitudinally slitting strips of different sizes to be longitudinally slitting during use, and it is difficult to precisely and automatically calibrate and adjust the blade to control the size of the longitudinal slitting of the strip.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precise and automatically calibrated longitudinal shearing and slitting device, comprising: a box body for bearing and limiting, a conveying rod rotatably connected to the inner side of the lower end of the box body, and a knife rod arranged above the conveying rod;
[0008] Also includes:
[0009] A conveying limit structure is arranged on the inner side of the outer end of the box body, wherein the conveying limit structure includes a conveying rod, a first electric telescopic rod, a pressure plate, a pressure rod, an adjustment rod, a limit plate, a sprocket, a chain and a first motor, and the first electric telescopic rod is embedded and installed on the inner side of the middle part of the upper end of the box body;
[0010] A longitudinal slitting structure is arranged inside the middle of the box, wherein the longitudinal slitting structure includes a knife bar, a blade and a second motor, and the knife bar is clamped and penetrates the box, and a display and a controller are embedded and installed inside the left rear upper end of the box, and a collection box is arranged at the inner lower part of the box;
[0011] A precise automatic calibration and adjustment structure is arranged above the knife rod, wherein the precise automatic calibration and adjustment structure includes a movable plate, a ball, a bearing plate, a gear, a rack, a fixed bar, a second electric telescopic rod, a limiting plate, a displacement sensor, a linkage plate and a connecting plate, and the movable plate is nested on the outer side of the upper end of the blade.
[0012] Preferably, a pressure plate is fixedly connected to the lower part of the first electric telescopic rod, and the inner side of the outer lower end of the pressure plate is rotatably connected to a pressure rod located above the conveying rod, and a sprocket is fixedly connected to the rear side of the conveying rod.
[0013] Preferably, a chain is meshedly connected to the outer side of the sprocket, and a first motor connected to the sprocket coupling is provided at the rear side of the right end of the chain.
[0014] Preferably, an adjusting rod is non-detachably connected to the inner side of the middle part of the left end of the box body, and the outer sides of the front and rear ends of the adjusting rod are threadedly connected to a limit plate located on the left side of the conveying rod and the pressure rod, and the lower surface of the limit plate is fitted with the box body.
[0015] Preferably, blades engaged with the knife rod are arranged at equal intervals on the outside of the knife rod, and the front side of the knife rod is connected to the second motor via a coupling, and a ball bearing engaged with the movable plate and cannot be removed is fitted on the outside of the upper end of the blade.
[0016] Preferably, the support plate is located inside the blade and the pressure plate, and the support plate is fixedly connected to the box body, and a gear is rotatably connected to the upper middle side of the support plate, and a rack is meshingly connected to the front side of the gear.
[0017] Preferably, a fixing bar fixedly connected to the bearing plate is provided on the front side of the rack, and a second electric telescopic rod is fixedly installed on the right side of the rack, and the second electric telescopic rod is fixedly connected to the bearing plate via a clamp and screws.
[0018] Preferably, a limiting plate rotatably connected to the gear is cross-disposed on the lower middle side of the bearing plate, and a displacement sensor is embedded on the inner side of the outer end of the limiting plate, and the outer end of the limiting plate is rotatably connected to a cross-rotating linkage plate, and the outer end of the linkage plate is rotatably connected to an staggered rotating limiting plate, and the lower middle sides of the limiting plate, the linkage plate and the connecting plate are all connected to a movable plate.
[0019] Preferably, the displacement sensor is a multi-dimensional non-contact sensor, and its accuracy is no more than 0.1 mm.
[0020] Preferably, the collection box is fitted at the lower part of the box body, and the collection box is made of a transparent material with scale lines.
[0021] Compared with the prior art, the utility model has the following beneficial effects: the precise and automatic calibration longitudinal slitting device is convenient for limiting, conveying and longitudinal slitting of strips of different sizes to be longitudinally slitting, convenient for precise and automatic calibration and adjustment of the blade, controlling the size of the longitudinal slitting of the strip, and convenient for shielding, collecting and cleaning the debris generated by the longitudinal slitting;
[0022] 1. A box body, a conveying rod, a first electric telescopic rod and a pressing plate are provided. The lower end inner side of the box body is rotatably connected with a symmetrical conveying rod. The inner side of the middle part of the upper end of the box body is inlaid with a first electric telescopic rod with a lower fixed pressing plate, and the pressing plate is rotatably connected with a pressing rod on the conveying rod. The conveying rod is linked to the first motor through a sprocket, a chain, and an adjusting rod is non-detachably connected to the inner side of the left end of the box body. The front and rear sides of the adjusting rod are threadedly connected with a limit plate that is fitted with the box body. The limit plate is located on the left side of the conveying rod and the pressing rod. A knife rod that is engaged with the box body and penetrates through the upper inner side of the conveying rod is provided. Blades that are engaged with the knife rod are provided at equal intervals outside the knife rod. The front of the knife rod is connected with a second motor through a coupling. Therefore, it is convenient to limit, convey and slit strips of different sizes to be slit;
[0023] 2. A blade, a movable plate and a ball bearing are provided. Since a movable plate is nested and fitted above the blade, a ball bearing fitted with the blade is non-detachably connected to the inner side of the lower end of the movable plate. A bearing plate fixedly connected to the box body is provided on the ball bearing. A gear that meshes with a front rack is rotatably connected to the inner side of the middle part of the bearing plate. A second electric telescopic rod is installed on the right side of the rack. Limiting plates that rotate with the gear are staggeredly arranged on the lower side of the middle part of the bearing plate. A rotating linkage plate and a connecting plate are sequentially arranged on the outer side of the limiting plate. The lower side of the middle part of the limiting plate, the linkage plate and the connecting plate are all connected to the movable plate. A displacement sensor is inlaid on the inner side of the outer lower end of the limiting plate. A display and a controller are inlaid on the inner side of the left rear upper end of the box body. Therefore, it is convenient to accurately and automatically calibrate and adjust the blade to control the size of the strip slitting;
[0024] 3. A blade and a collection box are provided. Since a box body, a conveying rod, a pressure plate and a pressure rod are provided on the outside of the blade, and a collection box is provided on the lower side of the box body, it is convenient to shield, collect and clean the debris generated by longitudinal shearing and slitting, thereby reducing the splash of debris, protecting the working environment and personnel safety, reducing the risk of equipment pollution, and facilitating the monitoring of the amount of debris, and intuitively reflecting the production status, promoting the purpose of timely cleaning and evaluation. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;
[0026] Figure 2 This is a schematic diagram of the front view structure of the utility model;
[0027] Figure 3 It is a schematic diagram of the side cross-sectional structure of the utility model;
[0028] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;
[0029] Figure 5 This is a schematic diagram of the overall structure of the connection between the adjusting rod and the limiting plate of the utility model;
[0030] Figure 6 This is a schematic diagram of the top view of the connection between the gear and the rack of the utility model;
[0031] Figure 7 This is a bottom view of the structure of the connection between the limiting plate and the bearing plate of the utility model.
[0032] In the figure: 1. box body; 2. conveying rod; 3. first electric telescopic rod; 4. pressure plate; 5. pressure rod; 6. adjusting rod; 7. limit plate; 8. sprocket; 9. chain; 10. first motor; 11. knife rod; 12. blade; 13. second motor; 14. movable plate; 15. ball; 16. bearing plate; 17. gear; 18. rack; 19. fixing bar; 20. second electric telescopic rod; 21. limit plate; 22. displacement sensor; 23. linkage plate; 24. connecting plate; 25. display; 26. controller; 27. collection box. DETAILED DESCRIPTION
[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0034] See also Figure 1-7 The utility model provides a technical solution: a precise and automatically calibrated longitudinal shearing and slitting device, comprising a box body 1, a conveying rod 2, a first electric telescopic rod 3, a pressing plate 4, a pressing rod 5, an adjusting rod 6, a limiting plate 7, a sprocket 8, a chain 9, a first motor 10, a knife rod 11, a blade 12, a second motor 13, a movable plate 14, a ball 15, a bearing plate 16, a gear 17, a rack 18, a fixing bar 19, a second electric telescopic rod 20, a limiting plate 21, a displacement sensor 22, a linkage plate 23, a connecting plate 24, a display 25, a controller 26 and a collecting box 27, a conveying rod 2 rotatably connected to the inner side of the lower end of the box body 1 and a knife rod 11 arranged above the conveying rod 2, a conveying limiting structure is arranged on the inner side of the outer end of the box body 1, wherein the conveying limiting structure comprises the conveying rod 2, the first electric telescopic rod 3, the pressing plate 4, the pressing rod 5, the adjusting rod 6, the limiting plate A positioning plate 7, a sprocket 8, a chain 9 and a first motor 10, and a first electric telescopic rod 3 is inlaid and installed on the inner side of the middle part of the upper end of the box body 1, and a longitudinal cutting and slitting structure is arranged on the inner side of the middle part of the box body 1, wherein the longitudinal cutting and slitting structure includes a knife bar 11, a blade 12 and a second motor 13, and the knife bar 11 is engaged and penetrates the box body 1, and a display 25 and a controller 26 are inlaid and installed on the inner side of the left rear upper end of the box body 1, and a collecting box 27 is arranged at the inner lower part of the box body 1, and a precise automatic calibration adjustment structure is arranged above the knife bar 11, wherein the precise automatic calibration adjustment structure includes a movable plate 14, a ball 15, a bearing plate 16, a gear 17, a rack 18, a fixing bar 19, a second electric telescopic rod 20, a limiting plate 21, a displacement sensor 22, a linkage plate 23 and a connecting plate 24, and the movable plate 14 is nested and arranged on the outer side of the upper end of the blade 12;
[0035] When using this precise and automatically calibrated slitting device, Figure 1 , Figure 2 and Figure 5 , first, pass the strip to be longitudinally cut and divided into strips into the inner side of the left end of the box body 1, so that it is located in the limit plate 7 symmetrically arranged on the inner side of the left end of the box body 1, and is fitted on the conveying rod 2 rotatably connected to the inner side of the lower left end of the box body 1, and then the controller 26 embedded and installed on the inner side of the left rear upper end of the box body 1 can be used to control the first electric telescopic rod 3 embedded and installed on the inner side of the middle part of the upper end of the box body 1 to operate, so that the first electric telescopic rod 3 drives the pressing plate 4 fixedly connected thereunder to descend, so that the pressing rod 5 rotatably connected to the inner side of the lower end of the pressing plate 4 is fitted on the strip, and then the adjusting rod 6 that is non-detachably connected to the inner side of the middle part of the left end of the box body 1 can be rotated, so that the adjusting rod 6 drives the limit plate 7 connected thereto with its external thread to move inward under the fitting limit of the box body 1, until the limit plate 7 is fitted on the strip, so as to achieve the purpose of limiting the strips of different sizes to be longitudinally cut and divided into strips;
[0036] like Figure 1 , Figure 2 and Figure 3 After the belt material is limited, the controller 26 can be used to control the first motor 10 installed on the rear side of the lower right end of the box body 1 to operate, so that the first motor 10 drives the sprocket 8 connected to the front coupling to rotate. Since the rear side of the conveying rod 2 is fixedly connected to the sprocket 8 outside the box body 1, and the outer side of the sprocket 8 is meshed and connected with the chain 9, the operation of the first motor 10 facilitates the sprocket 8 to rotate under the drive of the chain 9, so that the sprocket 8 drives the conveying rod 2 to rotate, thereby facilitating the conveying of the belt material limited by the pressure rod 5 and the limiting plate 7 on the conveying rod 2;
[0037] like Figure 1 , Figure 3 , Figure 4 , Figure 6 and Figure 7Before longitudinal slitting, according to the size requirements of the strip strips, the controller 26 controls the second electric telescopic rod 20 fixedly installed on the carrier plate 16 by the clamp and screws to operate, so that the second electric telescopic rod 20 drives the rack 18 fixedly connected to its front side to move under the fitting limit of the fixed bar 19 fixed on the right end of the carrier plate 16. Since the left side of the rack 18 is meshedly connected with the gear 17 rotating with the carrier plate 16, a limiting plate 21 rotatably connected with the gear 17 is cross-arranged under the carrier plate 16, and the outer end of the limiting plate 21 is rotatably connected with two sets of cross-rotating linkage plates 23, and the outer end of the linkage plate 23 is rotatably connected with the staggered rotating connecting plate 24, so through the operation of the second electric telescopic rod 20, The rack 18 drives the gear 17 to rotate in the carrier plate 16, so that the gear 17 drives the limiting plate 21 to rotate, so that the limiting plate 21 drives the interlocking plate 23 and the connecting plate 24 connected thereto to contract. Since the lower middle sides of the limiting plate 21, the interlocking plate 23 and the connecting plate 24 are all connected with the movable plate 14 located outside the blade 12, the inner side of the lower end of the movable plate 14 is non-detachably connected with the ball bearing 15 that fits the blade 12, and the blade 12 is connected to the outside of the knife rod 11 by interlocking connection, it is convenient to adjust the spacing of the movable plate 14 connected under the limiting plate 21, the interlocking plate 23 and the connecting plate 24, so that the movable plate 14 can move and adjust the blade 12 that is engaged and limited outside the knife rod 11 through the ball bearing 15;
[0038] During the adjustment process, the controller 26 can be used to control the displacement sensor 22 embedded inside the lower end of the limiting plate 21 and the display 25 embedded inside the upper left rear end of the box body 1 to operate, so that the displacement sensor 22 senses the displacement and the display 25 displays the sensed displacement data, thereby facilitating the operation of the second electric telescopic rod 20 through the controller 26, and then controlling the position of the blade 12, and accurately and automatically calibrating and adjusting the blade 12, so as to control the size of the strip slitting;
[0039] like Figure 1 , Figure 2 and Figure 3, and then in the process of conveying the strip, the controller 26 can control the second motor 13 connected to the front of the knife rod 11 through the coupling to operate, so that the knife rod 11 rotates under the locking limit of the box body 1, and then the knife rod 11 drives the blade 12 to rotate under the fitting limit of the ball 15, so as to achieve the purpose of the blade 12 longitudinally cutting and slitting the conveyed strip, and in the process of longitudinally cutting and slitting the strip, the box body 1, conveying rod 2, pressure plate 4 and pressure rod 5 arranged on the outside of the blade 12 are convenient for shielding the debris generated by the longitudinal cutting and slitting, so as to reduce the splashing of debris, protect the working environment and personnel safety, and reduce the risk of equipment pollution. The collecting box 27 arranged on the inner lower side of the box body 1 is convenient for collecting the debris generated by the longitudinal cutting and slitting, and the transparent belt scale of the collecting box 27 is convenient for monitoring the amount of debris, and also intuitively reflects the production status, and promotes timely cleaning and evaluation. The above electrical components are all existing technologies and are not described in detail here.
[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A precise and automatically calibrated slitting device, comprising: A box body (1) for carrying and limiting a load, a conveying rod (2) rotatably connected to the inner side of the lower end of the box body (1), and a knife rod (11) arranged above the conveying rod (2); It is characterized by further comprising: A conveying limit structure is arranged on the inner side of the outer end of the box body (1), wherein the conveying limit structure comprises a conveying rod (2), a first electric telescopic rod (3), a pressure plate (4), a pressure rod (5), an adjustment rod (6), a limit plate (7), a sprocket wheel (8), a chain (9) and a first motor (10), and the first electric telescopic rod (3) is embedded and installed on the inner side of the middle part of the upper end of the box body (1); A longitudinal cutting and slitting structure is arranged on the inner side of the middle part of the box body (1), wherein the longitudinal cutting and slitting structure comprises a knife bar (11), a blade (12) and a second motor (13), and the knife bar (11) is engaged and penetrates the box body (1), and a display (25) and a controller (26) are embedded and installed on the inner side of the upper left rear end of the box body (1), and a collection box (27) is arranged on the inner lower part of the box body (1); A precise automatic calibration adjustment structure is arranged above the blade rod (11), wherein the precise automatic calibration adjustment structure comprises a movable plate (14), a ball (15), a bearing plate (16), a gear (17), a rack (18), a fixing bar (19), a second electric telescopic rod (20), a limiting plate (21), a displacement sensor (22), a linkage plate (23) and a connecting plate (24), and the movable plate (14) is nested and arranged on the outer side of the upper end of the blade (12).
2. A precise and automatically calibrated slitting device according to claim 1, characterized in that: A pressing plate (4) is fixedly connected to the lower side of the first electric telescopic rod (3), and a pressing rod (5) located above the conveying rod (2) is rotatably connected to the inner side of the outer lower end of the pressing plate (4), and a sprocket (8) is fixedly connected to the rear side of the conveying rod (2).
3. The precise and automatically calibrated slitting device according to claim 1, characterized in that: The outer side of the sprocket (8) is meshedly connected with a chain (9), and a first motor (10) connected to a coupling of the sprocket (8) is provided at the rear side of the right end of the chain (9).
4. The precise and automatically calibrated slitting device according to claim 1, characterized in that: An adjusting rod (6) is non-detachably engaged with the inner side of the middle part of the left end of the box body (1), and the outer sides of the front and rear ends of the adjusting rod (6) are threadedly connected to a limiting plate (7) located on the left side of the conveying rod (2) and the pressure rod (5), and the lower surface of the limiting plate (7) is arranged to fit the box body (1).
5. The precise and automatically calibrated slitting device according to claim 1, characterized in that: Blades (12) are arranged at equal intervals on the outside of the knife rod (11) and are engaged with the knife rod (11). The front side of the knife rod (11) is connected to a second motor (13) via a coupling. A ball bearing (15) that is engaged with a movable plate (14) and cannot be removed is arranged on the outside of the upper end of the knife rod (12).
6. The precise and automatically calibrated slitting device according to claim 1, characterized in that: The carrier plate (16) is located inside the blade (12) and the pressure plate (4), and the carrier plate (16) is fixedly connected to the box body (1), and a gear (17) is rotatably connected to the upper middle side of the carrier plate (16), and a rack (18) is meshedly connected to the front side of the gear (17).
7. The precise and automatically calibrated slitting device according to claim 1, characterized in that: A fixing bar (19) fixedly connected to the bearing plate (16) is provided on the front side of the rack (18), and a second electric telescopic rod (20) is fixedly installed on the right side of the rack (18), and the second electric telescopic rod (20) is fixedly connected to the bearing plate (16) via a clamp and screws.
8. The precise and automatically calibrated slitting device according to claim 1, characterized in that: A limiting plate (21) rotatably connected to the gear (17) is cross-arranged at the lower middle part of the carrier plate (16), and a displacement sensor (22) is embedded and mounted on the inner side of the outer end of the limiting plate (21), and the outer end of the limiting plate (21) is rotatably connected to a cross-rotating linkage plate (23), and the outer end of the linkage plate (23) is rotatably connected to the staggered rotating limiting plate (21), and the lower middle parts of the limiting plate (21), the linkage plate (23) and the connecting plate (24) are all connected to the movable plate (14).
9. The precise and automatically calibrated slitting device according to claim 1, characterized in that: The displacement sensor (22) is a multi-dimensional non-contact sensor, and its accuracy is no greater than 0.1 mm.
10. The precise and automatically calibrated slitting device according to claim 1, characterized in that: The collection box (27) is arranged in close contact at the lower part of the box body (1), and the collection box (27) is made of a transparent material with scale lines.
Citation Information
Patent Citations
Slitting slitting device
CN220825522U