A high-precision slitting device for pre-prepared meal packaging film coiled material
By designing automated collection, movement, support, positioning, and adjustment mechanisms, the problem of inaccurate positioning of film rolls of different sizes in existing slitting devices has been solved, achieving high-precision film roll slitting and waste collection, and expanding the applicability of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGMEN CUSTOMS TECH CENT
- Filing Date
- 2025-09-08
- Publication Date
- 2026-07-24
AI Technical Summary
Existing slitting devices are difficult to accurately slit film rolls of different sizes, and manual positioning is prone to positional deviations, affecting slitting accuracy and limiting their applicability.
A high-precision slitting device was designed, which includes collection, movement, support, positioning and adjustment mechanisms. It achieves precise adjustment of the film roll's fixing, detection, rotation and cutting position through automated equipment such as hydraulic cylinders, stepper motors and servo motors, and integrates a cutting mechanism for high-precision slitting.
It enables automatic positioning and high-precision slitting of film rolls of different lengths and diameters, improves the applicability of the slitting device, ensures slitting accuracy, and automatically collects waste through a collection mechanism.
Smart Images

Figure CN224544684U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of pre-prepared food, and in particular to a high-precision cutting device for pre-prepared food packaging film rolls. Background Technology
[0002] Pre-prepared dishes are finished or semi-finished foods made by pre-processing one or more food ingredients according to standard procedures, with or without seasonings and other auxiliary materials including food additives, and then pre-packaging them.
[0003] Existing slitting devices, such as the film-applying slitting device for processing foamed materials disclosed in utility model patent application number 202320961717.7, mainly include a support platform, a film-applying support rod mounted on the support platform for mounting the rolled film, and a transverse sliding platform slidably mounted on the support platform and moving parallel to the direction of the film-applying support rod. In use, the rolled foamed material film is inserted into the film-applying support rod, a rotary motor drives the film-applying support rod to rotate, and the transverse sliding platform moves laterally on the support platform to control the cutting component to cut the film roll into equidistant segments; the longitudinal sliding platform controls the cutting depth of the cutting component, thereby cutting the film roll.
[0004] However, most existing slitting devices rely on manual installation and positioning of the film rolls, which can easily lead to positional deviations that affect subsequent slitting accuracy. Furthermore, existing slitting devices are difficult to slitting film rolls of different sizes, thus limiting their applicability. Utility Model Content
[0005] To solve the above-mentioned technical problems, this utility model provides a high-precision cutting device for pre-packaged food film rolls that not only facilitates the cutting of film rolls of different lengths and diameters, thus improving the applicability of the device, but also automatically fixes and positions the film rolls to ensure cutting accuracy.
[0006] This utility model discloses a high-precision slitting device for pre-packaged food film rolls, including a collection mechanism; it also includes a moving mechanism, a supporting mechanism, a positioning mechanism, an adjusting mechanism, and a cutting mechanism. The moving mechanism is installed on the collection mechanism and detects the size of the film roll. The supporting mechanism is installed on the moving mechanism and drives the film roll to rotate. The positioning mechanism is installed on the moving mechanism and fixes the film roll. The adjusting mechanism is installed on the collection mechanism and drives the cutting mechanism to adjust the cutting position. The cutting mechanism is installed on the adjusting mechanism and slits the film roll. The operator places the film roll on the supporting mechanism, the positioning mechanism fixes the film roll, the moving mechanism detects the size of the film roll, and then the adjusting mechanism is activated to adjust the cutting position of the cutting mechanism. The moving mechanism moves the film roll closer to the cutting mechanism, and the supporting mechanism drives the film roll to rotate, facilitating the cutting mechanism to cut it. Then, the moving mechanism moves the film roll away from the cutting mechanism, facilitating the adjusting mechanism to drive the cutting mechanism to readjust the cutting position. The waste generated during cutting falls into the collection mechanism for collection.
[0007] Preferably, the collection mechanism includes a workbench, a collection hopper, a drawer, a handle, and a controller. The bottom of the workbench is connected to the ground, the collection hopper is installed on the workbench, the drawer is slidably installed inside the collection hopper, the handle is installed on the drawer, and the controller is installed on the workbench. The operator uses the controller to fix and cut the film roll. The waste generated during cutting is collected in the drawer through the collection hopper. When the drawer is full, the operator operates the handle to pull the drawer out and clean up the waste.
[0008] Preferably, the moving mechanism includes a positioning box, a hydraulic cylinder, a positioning slider, a lead screw box, and a detector. The positioning box is mounted on the worktable, the hydraulic cylinder is mounted on the positioning box, the positioning slider is slidably mounted inside the positioning box and connected to the top of the hydraulic cylinder, the lead screw box is mounted on the positioning slider, and the detector is mounted on the lead screw box. The operator installs the film roll onto the support mechanism, the detector detects the length and cutting position of the film roll, and the hydraulic cylinder pulls the positioning slider to move within the positioning box, facilitating the film roll to move closer to the cutting mechanism for slitting, or the hydraulic cylinder pushes the positioning slider away from the cutting mechanism to adjust the cutting position.
[0009] Preferably, the support mechanism includes a stepper motor, a support shaft, a positioning strip, and a positioning plate. The stepper motor is mounted on the positioning slider, the support shaft is rotatably mounted on the positioning slider and is connected to the stepper motor for transmission, the positioning strip is mounted on the support shaft, and the positioning plate is mounted on the support shaft. The operator places the film roll on the support shaft, positions one end of the film roll using the positioning plate, and the stepper motor drives the support shaft to rotate. The support shaft then drives the film roll to rotate via the positioning strip, facilitating slitting.
[0010] Preferably, the positioning mechanism includes a first motor, a first reducer, a first lead screw, a first slider, a hinge, and a positioning clamp. The first motor is mounted on the positioning slider, and the output end of the first motor is connected to the input end of the first reducer. The output end of the first reducer is connected to the input end of the first lead screw. The first slider is slidably mounted in the lead screw box and is connected to the first lead screw via a threaded transmission. The hinge is mounted on the first slider, and the positioning clamp is mounted on the hinge. The operator lifts the positioning clamp to facilitate the installation of the film roll onto the support shaft, then resets the positioning clamp, starts the first motor, and the first motor drives the first lead screw to rotate through the first reducer. The first lead screw drives the first slider to move, and the first slider drives the positioning clamp to move to position the other end of the film roll.
[0011] Preferably, the adjustment mechanism includes a baffle, a servo motor, a second reducer, a second lead screw, and a second slider. A movable slot is provided on the worktable. The baffle is mounted on the worktable, and the servo motor is also mounted on the worktable. The output end of the servo motor is connected to the input end of the second reducer. The second lead screw is rotatably mounted in the movable slot of the worktable, and the output end of the second reducer is connected to the input end of the second lead screw. The second slider is slidably mounted in the movable slot of the worktable and is connected to the second lead screw via a threaded transmission. When the servo motor is started, it drives the second lead screw to rotate through the second reducer. The second lead screw drives the second slider to move, and the second slider drives the cutting mechanism to move and adjust the cutting position. The baffle prevents waste chips from entering the movable slot and affecting the second lead screw transmission.
[0012] Preferably, the cutting mechanism includes a cutting blade, a second motor, two sets of pulleys, a belt, and a protective cover. The cutting blade is rotatably mounted on the second slider, the second motor is mounted on the second slider, the two sets of pulleys are respectively mounted on the cutting blade and the second motor, the belt is tensioned between the two sets of pulleys, and the protective cover is mounted on the second slider. When the second motor is started, it drives the pulley connected to it to rotate. The two sets of pulleys drive the cutting blade to rotate through the belt drive. The cutting blade cuts the film roll, and the protective cover prevents waste from splashing.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the operator places the membrane roll on the support mechanism, the positioning mechanism fixes the membrane roll in place, the moving mechanism detects the size of the membrane roll, and then the adjustment mechanism is activated to adjust the cutting position of the cutting mechanism. The moving mechanism moves the membrane roll closer to the cutting mechanism, and the support mechanism drives the membrane roll to rotate, making it easier for the cutting mechanism to cut it. Then the moving mechanism moves the membrane roll away from the cutting mechanism, making it easier for the adjustment mechanism to drive the cutting mechanism to adjust the cutting position again. The waste generated during cutting falls into the collection mechanism for collection. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the isometric structure of this utility model;
[0015] Figure 2 This is a partially enlarged isometric structural diagram of the collecting mechanism of this utility model;
[0016] Figure 3 This is a partially enlarged isometric structural diagram of the moving mechanism of this utility model;
[0017] Figure 4 This is a cross-sectional isometric structural diagram of the support mechanism and positioning mechanism of this utility model;
[0018] Figure 5 This is a partially enlarged isometric structural diagram of the adjustment mechanism and cutting mechanism of this utility model.
[0019] The attached diagram is labeled as follows: 01, collecting mechanism; 11, workbench; 12, collecting hopper; 13, drawer; 14, handle; 15, controller; 02, moving mechanism; 21, positioning box; 22, hydraulic cylinder; 23, positioning slider; 24, lead screw box; 25, detector; 03, support mechanism; 31, stepper motor; 32, support shaft; 33, positioning bar; 34, positioning plate; 04, positioning mechanism; 41, first motor; 42, first reducer; 43, first lead screw; 44, first slider; 45, hinge; 46, positioning clamp; 05, adjusting mechanism; 51, baffle; 52, servo motor; 53, second reducer; 54, second lead screw; 55, second slider; 06, cutting mechanism; 61, cutting blade; 62, second motor; 63, pulley; 64, belt; 65, protective cover. Detailed Implementation
[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.
[0021] Example 1
[0022] This utility model discloses a high-precision slitting device for pre-packaged food film rolls, including a collecting mechanism 01; it also includes a moving mechanism 02, a supporting mechanism 03, a positioning mechanism 04, an adjusting mechanism 05, and a cutting mechanism 06. The moving mechanism 02 is mounted on the collecting mechanism 01 and detects the film roll size. The supporting mechanism 03 is mounted on the moving mechanism 02 and drives the film roll to rotate. The positioning mechanism 04 is mounted on the moving mechanism 02 and fixes the film roll. The adjusting mechanism 05 is mounted on the collecting mechanism 01 and drives the cutting mechanism 06 to adjust the cutting position. Mechanism 06 is installed on adjustment mechanism 05 and cuts the film roll; collection mechanism 01 includes workbench 11, collection hopper 12, drawer 13, handle 14 and controller 15. The bottom end of workbench 11 is connected to the ground. Collection hopper 12 is installed on workbench 11. Drawer 13 is slidably installed in collection hopper 12. Handle 14 is installed on drawer 13. Controller 15 is installed on workbench 11; moving mechanism 02 includes positioning box 21, hydraulic cylinder 22, positioning slider 23, lead screw box 24 and detector 25. Positioning box 21 is installed on workbench 11. Hydraulic cylinder 22 is mounted on positioning box 21, positioning slider 23 is slidably mounted inside positioning box 21 and connected to the top of hydraulic cylinder 22, lead screw box 24 is mounted on positioning slider 23, and detector 25 is mounted on lead screw box 24; support mechanism 03 includes stepper motor 31, support shaft 32, positioning bar 33 and positioning plate 34, stepper motor 31 is mounted on positioning slider 23, support shaft 32 is rotatably mounted on positioning slider 23 and connected to stepper motor 31 for transmission, positioning bar 33 is mounted on support shaft 32, and positioning plate 34 is mounted on support shaft 32. 2. The positioning mechanism 04 includes a first motor 41, a first reducer 42, a first lead screw 43, a first slider 44, a hinge 45, and a positioning clamp 46. The first motor 41 is mounted on the positioning slider 23. The output end of the first motor 41 is connected to the input end of the first reducer 42. The output end of the first reducer 42 is connected to the input end of the first lead screw 43. The first slider 44 is slidably mounted in the lead screw box 24 and is connected to the first lead screw 43 through threaded transmission. The hinge 45 is mounted on the first slider 44, and the positioning clamp 46 is mounted on the hinge 45.During operation, the operator first lifts the positioning clamp 46 to facilitate the installation of the film roll onto the support shaft 32. Then, the positioning clamp 46 is reset, and one end of the film roll is positioned by the positioning plate 34. The first motor 41 is started, and the first motor 41 drives the first lead screw 43 to rotate via the first reducer 42. The first lead screw 43 moves the first slider 44, which in turn moves the positioning clamp 46 to position the other end of the film roll. The detector 25 detects the length and cutting position of the film roll. The hydraulic cylinder 22 pulls the positioning slider 23 within the positioning box 21, facilitating the film roll to move closer to the cutting mechanism 06 for cutting, or the hydraulic cylinder 22 pushes the positioning slider 23 away from the cutting mechanism 06 to adjust its position. The controller 15 sets the film roll for fixing and cutting. Waste generated during cutting is collected in the drawer 13 via the collection hopper 12. Once the drawer 13 is full, the operator operates the handle 14 to pull out the drawer 13 and clean out the waste.
[0023] Example 2
[0024] like Figures 1 to 5As shown, this utility model discloses a high-precision slitting device for pre-packaged vegetable film rolls, based on Embodiment 1. The adjustment mechanism 05 includes a baffle 51, a servo motor 52, a second reducer 53, a second lead screw 54, and a second slider 55. A moving groove is provided on the worktable 11. The baffle 51 is installed on the worktable 11, and the servo motor 52 is installed on the worktable 11. The output end of the servo motor 52 is connected to the input end of the second reducer 53. The second lead screw 54 is rotatably installed in the moving groove of the worktable 11, and the output end of the second reducer 53 is connected to the input end of the second lead screw 54. The second slider 55 is slidably installed in the moving groove of the worktable 11 and is connected to the input end of the second lead screw 54. The lever 54 is connected via a threaded drive; the cutting mechanism 06 includes a cutting blade 61, a second motor 62, two sets of pulleys 63, a belt 64, and a protective cover 65. The cutting blade 61 is rotatably mounted on the second slider 55, the second motor 62 is mounted on the second slider 55, the two sets of pulleys 63 are respectively mounted on the cutting blade 61 and the second motor 62, the belt 64 is tensioned between the two sets of pulleys 63, and the protective cover 65 is mounted on the second slider 55. During operation, firstly, the operator lifts the positioning clamp 46 to facilitate the installation of the film roll onto the support shaft 32, then resets the positioning clamp 46, positions one end of the film roll via the positioning plate 34, and starts the first motor... Motion 41, the first electric motor 41 drives the first lead screw 43 to rotate via the first reducer 42. The first lead screw 43 drives the first slider 44 to move. The first slider 44 drives the positioning clamp 46 to move to position the other end of the film roll. Servo motor 52 is started. Servo motor 52 drives the second lead screw 54 to rotate via the second reducer 53. The second lead screw 54 drives the second slider 55 to move. The second slider 55 drives the cutting mechanism 06 to move and adjust the cutting position. By setting baffle 51, waste chips are prevented from entering the moving groove and affecting the transmission of the second lead screw 54. Detector 25 detects the length of the film roll and the cutting position. Hydraulic cylinder 22 pulls the positioning slider 23 into the positioning box 21. The membrane roll is moved closer to the cutting mechanism 06, and the second motor 62 is started. The second motor 62 drives the connected pulley 63 to rotate. The two sets of pulleys 63 are driven by the belt 64 to drive the cutting blade 61 to rotate. The cutting blade 61 cuts the membrane roll. The protective cover 65 is set to prevent waste from flying. Then the hydraulic cylinder 22 pushes the positioning slider 23 away from the cutting mechanism 06 to facilitate the adjustment of the cutting adjustment position of the mechanism 05. The membrane roll is fixed and cut by the controller 15. The waste generated by cutting is collected in the drawer 13 through the collection hopper 12. After the drawer 13 is full, the operator operates the handle 14 to pull the drawer 13 out and clean up the waste.
[0025] The stepper motor 31, first motor 41, first reducer 42, servo motor 52, second reducer 53 and second motor 62 of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.
[0026] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A high-precision slitting device for pre-packaged food film rolls, comprising a collecting mechanism (01); characterized in that, It also includes a moving mechanism (02), a supporting mechanism (03), a positioning mechanism (04), an adjusting mechanism (05), and a cutting mechanism (06). The moving mechanism (02) is installed on the collecting mechanism (01) and detects the size of the membrane roll. The supporting mechanism (03) is installed on the moving mechanism (02) and drives the membrane roll to rotate. The positioning mechanism (04) is installed on the moving mechanism (02) and fixes the membrane roll. The adjusting mechanism (05) is installed on the collecting mechanism (01) and drives the cutting mechanism (06) to adjust the cutting position. The cutting mechanism (06) is installed on the adjusting mechanism (05) and cuts the membrane roll.
2. The high-precision slitting device for pre-packaged vegetable film rolls as described in claim 1, characterized in that, The collection mechanism (01) includes a workbench (11), a collection hopper (12), a drawer (13), a handle (14), and a controller (15). The bottom of the workbench (11) is connected to the ground. The collection hopper (12) is installed on the workbench (11). The drawer (13) is slidably installed inside the collection hopper (12). The handle (14) is installed on the drawer (13). The controller (15) is installed on the workbench (11).
3. The high-precision slitting device for pre-packaged vegetable film rolls as described in claim 2, characterized in that, The moving mechanism (02) includes a positioning box (21), a hydraulic cylinder (22), a positioning slider (23), a lead screw box (24), and a detector (25). The positioning box (21) is mounted on the worktable (11), the hydraulic cylinder (22) is mounted on the positioning box (21), the positioning slider (23) is slidably mounted in the positioning box (21) and connected to the top of the hydraulic cylinder (22), the lead screw box (24) is mounted on the positioning slider (23), and the detector (25) is mounted on the lead screw box (24).
4. The high-precision slitting device for pre-packaged vegetable film rolls as described in claim 3, characterized in that, The support mechanism (03) includes a stepper motor (31), a support shaft (32), a positioning strip (33), and a positioning plate (34). The stepper motor (31) is mounted on the positioning slider (23), the support shaft (32) is rotatably mounted on the positioning slider (23) and is connected to the stepper motor (31) for transmission, the positioning strip (33) is mounted on the support shaft (32), and the positioning plate (34) is mounted on the support shaft (32).
5. The high-precision slitting device for pre-packaged vegetable film rolls as described in claim 3, characterized in that, The positioning mechanism (04) includes a first motor (41), a first reducer (42), a first lead screw (43), a first slider (44), a hinge (45), and a positioning clamp (46). The first motor (41) is mounted on the positioning slider (23). The output end of the first motor (41) is connected to the input end of the first reducer (42). The output end of the first reducer (42) is connected to the input end of the first lead screw (43). The first slider (44) is slidably mounted in the lead screw box (24) and is connected to the first lead screw (43) through threaded transmission. The hinge (45) is mounted on the first slider (44), and the positioning clamp (46) is mounted on the hinge (45).
6. The high-precision slitting device for pre-packaged vegetable film rolls as described in claim 2, characterized in that, The adjustment mechanism (05) includes a baffle (51), a servo motor (52), a second reducer (53), a second lead screw (54), and a second slider (55). A moving slot is opened on the worktable (11). The baffle (51) is installed on the worktable (11). The servo motor (52) is installed on the worktable (11). The output end of the servo motor (52) is connected to the input end of the second reducer (53). The second lead screw (54) is rotatably installed in the moving slot of the worktable (11), and the output end of the second reducer (53) is connected to the input end of the second lead screw (54). The second slider (55) is slidably installed in the moving slot of the worktable (11) and is connected to the second lead screw (54) through threaded transmission.
7. The high-precision slitting device for pre-packaged vegetable film rolls as described in claim 6, characterized in that, The cutting mechanism (06) includes a cutting blade (61), a second motor (62), two sets of pulleys (63), a belt (64), and a protective cover (65). The cutting blade (61) is rotatably mounted on the second slider (55), the second motor (62) is mounted on the second slider (55), the two sets of pulleys (63) are respectively mounted on the cutting blade (61) and the second motor (62), the belt (64) is tensioned between the two sets of pulleys (63), and the protective cover (65) is mounted on the second slider (55).