Slitting mechanism of automatic slitting machine

Abstract

The utility model discloses a slitting mechanism of an automatic slitting machine, which relates to the technical field of automatic slitting, and comprises a frame, a cam shaft is horizontally and rotatably mounted on the frame, a plurality of threads with different screw pitches are arranged on the cam shaft, a slider is movably arranged in the threads, the slider is fixedly connected with a tool apron component, and the tool apron component is fixedly connected with the cam shaft. The tool apron assembly is movably arranged on the sliding rod, the sliding rod is parallel to the cam shaft and arranged on the machine frame, a tool rest is arranged on the tool apron assembly, and a hob is rotationally installed in the tool rest. According to the design scheme, the first motor drives the cam shaft to rotate, the multiple threads drive the tool apron assemblies to do equidistant and variable-pitch movement on the sliding rods through the sliding blocks, the multiple tool apron assemblies are adjusted at the same time, efficiency and machining precision are higher, the second motor drives the tool rest to ascend or descend, and machining efficiency is improved. And the tool rest can be rapidly taken down to be replaced by pulling the pull block, installation is rapid, maintenance is convenient, and adaptability is high.

Description

Technical Field

[0001] This utility model relates to the field of automatic slitting technology, and in particular to a slitting mechanism for an automatic slitting machine. Background Technology

[0002] An automatic slitting machine is a mechanical device that cuts wide sheets of paper or film into multiple narrow strips of material. It is commonly used in papermaking machinery and printing and packaging machinery. Chinese Patent No. CN212352252U discloses a slitting mechanism for an automatic slitting machine. By setting up an installation mechanism, the blade holder equipped with the cutting blade assembly can be easily and quickly installed inside the installation frame. The installation of the blade holder on the frame can be completed without the need for operators to use too many tools and parts. At the same time, it also allows operators to quickly and conveniently remove the blade holder from the slitting machine when it is necessary to repair or replace the cutting blade assembly.

[0003] The above solution still has its drawbacks. The spacing between the cutting blade components can only be adjusted one by one. For different processing needs, this adjustment method is time-consuming and labor-intensive, and it is easy to cause low processing accuracy of the material. When a certain cutting blade component needs to be replaced, the entire blade holder needs to be removed, multiple cutting blade components need to be disassembled and reinstalled and adjusted, which is extremely inconvenient. Utility Model Content

[0004] In order to overcome the above-mentioned defects in the prior art, the present invention provides a slitting mechanism for an automatic slitting machine.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a slitting mechanism of an automatic slitting machine, including a frame, a camshaft horizontally rotatably mounted on the frame, the camshaft having multiple threads of different pitches, a slider movably disposed in the multiple threads, the slider being fixedly connected to a knife holder assembly, the knife holder assembly being movably disposed on a slide rod, the slide rod being disposed on the frame parallel to the camshaft, the knife holder assembly having a knife holder, and a hobbing cutter being rotatably mounted in the knife holder.

[0006] Furthermore, the tool holder assembly includes a fixed seat and a rotating seat, the fixed seat being movably connected to the slide rod, and the rotating seat being rotatably mounted to the fixed seat.

[0007] Furthermore, a gear column is rotatably mounted on the frame, and a first gear ring is connected to the fixed seat via a bearing. The first gear ring is sleeved on the gear column, and a second gear ring is fixedly disposed in the rotating seat. The second gear ring is sleeved on the gear column, and the second gear ring is coaxially arranged with the shaft between the fixed seat and the rotating seat.

[0008] Furthermore, one end of the tool holder is provided with a dovetail block, which matches the dovetail groove on the rotating seat, and the rotating seat is provided with a locking component.

[0009] Furthermore, the locking assembly includes a pull block, which is fixedly connected to a plug rod. The plug rod is slidably disposed on a rotating seat. The plug rod matches a positioning groove on a dovetail block via a slot on the rotating seat. A limiting ring is provided on the plug rod. A spring is sleeved on the plug rod between the limiting ring and the pull block. The two ends of the spring abut against the limiting ring and the rotating seat, respectively.

[0010] Furthermore, a first motor and a second motor are provided on one side of the frame. The output end of the first motor is fixedly connected to one end of the camshaft, and the output end of the second motor is fixedly connected to one end of the gear column.

[0011] The beneficial effects of this utility model are that the design scheme uses a first motor to drive the camshaft to rotate, and multiple threads drive the tool holder assembly to make equidistant variable pitch movements on the slide rod through the slider. Multiple tool holder assemblies can be adjusted at the same time, resulting in higher efficiency and machining accuracy. When the second motor drives the gear column to rotate, the fixed seat remains stationary, while the rotating seat rotates around the axis with the gear column through the second gear ring, thereby controlling the raising or lowering of the tool holder. Pulling the pull block can quickly remove the tool holder for replacement, making installation quick, maintenance convenient, and adaptable. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 This is a top view of the present invention;

[0014] Figure 2 This is a side view of the camshaft of this utility model;

[0015] Figure 3 This is a structural schematic diagram of the tool holder assembly of this utility model;

[0016] Figure 4 This is a structural schematic diagram of the locking component of this utility model.

[0017] In the diagram: 1. Frame, 2. Camshaft, 3. Thread, 4. Slider, 5. Slide rod, 6. Tool holder, 7. Hob, 8. Fixed seat, 9. Rotating seat, 10. Gear column, 11. Bearing, 12. First gear ring, 13. Second gear ring, 14. Dovetail block, 15. Dovetail groove, 16. Pull block, 17. Insert rod, 18. Slot, 19. Positioning groove, 20. Limiting ring, 21. Spring, 22. First motor, 23. Second motor. Detailed Implementation

[0018] To more clearly illustrate the technical solution of this utility model, the following description is made in conjunction with the accompanying drawings. Obviously, the drawings described below are only one embodiment of this utility model. For those skilled in the art, other embodiments can be obtained based on these drawings and embodiments without creative effort, and all of them fall within the protection scope of this utility model.

[0019] like Figures 1 to 4 As shown, an automatic slitting machine's slitting mechanism includes a frame 1. A camshaft 2 is horizontally rotatably mounted on the frame 1. The camshaft 2 has multiple threads 3 with different pitches. A slider 4 is movably disposed in each of the multiple threads 3. The slider 4 is fixedly connected to a tool holder assembly. The tool holder assembly is movably disposed on a slide rod 5. The slide rod 5 is disposed on the frame 1 parallel to the camshaft 2. A tool holder 6 is provided on the tool holder assembly. A hob 7 is rotatably mounted in the tool holder 6. When the camshaft 2 rotates, it drives the slider 4 to move through the multiple threads 3. The slider 4 drives the tool holder assembly to perform equidistant variable-pitch motion on the slide rod 5. Multiple tool holder assemblies can be adjusted simultaneously, resulting in higher efficiency and processing accuracy.

[0020] The tool holder assembly includes a fixed seat 8 and a rotating seat 9. The fixed seat 8 is movably connected to the slide rod 5, and the rotating seat 9 is rotatably mounted to the fixed seat 8. A gear column 10 is rotatably mounted on the frame 1. The fixed seat 8 is connected to a first gear ring 12 through a bearing 11. The first gear ring 12 is sleeved on the gear column 10. A second gear ring 13 is fixedly disposed in the rotating seat 9. The second gear ring 13 is sleeved on the gear column 10. The second gear ring 13 is coaxially arranged with the axis of rotation between the fixed seat 8 and the rotating seat 9. When the gear column 10 rotates, the fixed seat 8 remains stationary, while the rotating seat 9 rotates around the axis of rotation with the gear column 10 through the second gear ring 13, thereby controlling the raising or lowering of the tool holder 6.

[0021] The tool holder 6 has a dovetail block 14 at one end, which matches the dovetail groove 15 on the rotating seat 9. The rotating seat 9 has a locking assembly, which includes a pull block 16. The pull block 16 is fixedly connected to the insertion rod 17. The insertion rod 17 is slidably disposed in the rotating seat 9. The insertion rod 17 matches the positioning groove 19 on the dovetail block 14 through the slot 18 on the rotating seat 9. The insertion rod 17 has a limiting ring 20. A spring 21 is sleeved on the insertion rod 17 between the limiting ring 20 and the pull block 16. The two ends of the spring 21 abut against the limiting ring 20 and the rotating seat 9, respectively. Pulling the pull block 16 can quickly remove the tool holder 6 for replacement.

[0022] A first motor 22 and a second motor 23 are provided on one side of the frame 1. The output end of the first motor 22 is fixedly connected to one end of the camshaft 2, and the output end of the second motor 23 is fixedly connected to one end of the gear column 10.

[0023] In use, the first motor 22 drives the camshaft 2 to rotate, which in turn drives the slider 4 to move through multiple threads 3. The slider 4 drives the tool holder assembly to make equidistant and variable-pitch movements on the slide rod 5. Multiple tool holder assemblies are adjusted simultaneously, resulting in higher efficiency and machining accuracy. When the second motor 23 drives the gear column 10 to rotate, the fixed seat 8 remains stationary, while the rotating seat 9 rotates around the axis with the gear column 10 through the second gear ring 13, thereby controlling the raising or lowering of the tool holder 6. Pulling the pull block 16 can quickly remove the tool holder 6 for replacement. It is quick to install, easy to maintain, and highly adaptable.

[0024] The above embodiments are merely exemplary embodiments of this utility model and are not intended to limit this utility model. The scope of protection of this utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to this utility model within its substance and scope of protection, and such modifications or equivalent substitutions should also be considered to fall within the scope of protection of this utility model.

Claims

1. A slitting mechanism for an automatic slitting machine, comprising a frame (1), characterized in that: A camshaft (2) is horizontally rotatably mounted on the frame (1). The camshaft (2) has multiple threads (3) with different pitches. A slider (4) is movably mounted in the multiple threads (3). The slider (4) is fixedly connected to the tool holder assembly. The tool holder assembly is movably mounted on a slide rod (5). The slide rod (5) is mounted on the frame (1) parallel to the camshaft (2). A tool holder (6) is provided on the tool holder assembly. A hob (7) is rotatably mounted in the tool holder (6).

2. The slitting mechanism of an automatic slitting machine according to claim 1, characterized in that, The tool holder assembly includes a fixed seat (8) and a rotating seat (9). The fixed seat (8) is movably connected to the slide rod (5), and the rotating seat (9) is rotatably installed with the fixed seat (8).

3. The slitting mechanism of an automatic slitting machine according to claim 2, characterized in that, A gear column (10) is rotatably mounted on the frame (1). The fixed seat (8) is connected to a first gear ring (12) via a bearing (11). The first gear ring (12) is sleeved on the gear column (10). A second gear ring (13) is fixedly disposed in the rotating seat (9). The second gear ring (13) is sleeved on the gear column (10). The second gear ring (13) is coaxially disposed with the shaft between the fixed seat (8) and the rotating seat (9).

4. The slitting mechanism of an automatic slitting machine according to claim 1, characterized in that, The tool holder (6) is provided with a dovetail block (14) at one end, and the dovetail block (14) matches the dovetail groove (15) on the rotating seat (9). The rotating seat (9) is provided with a locking component.

5. The slitting mechanism of an automatic slitting machine according to claim 4, characterized in that, The locking assembly includes a pull block (16), which is fixedly connected to a plug rod (17). The plug rod (17) is slidably disposed in a rotating seat (9). The plug rod (17) is matched with a positioning groove (19) on a dovetail block (14) through a slot (18) on the rotating seat (9). A limiting ring (20) is provided on the plug rod (17). A spring (21) is sleeved on the plug rod (17) between the limiting ring (20) and the pull block (16). The two ends of the spring (21) abut against the limiting ring (20) and the rotating seat (9) respectively.

6. The slitting mechanism of an automatic slitting machine according to claim 1, characterized in that, The frame (1) is provided with a first motor (22) and a second motor (23) on one side. The output end of the first motor (22) is fixedly connected to one end of the camshaft (2), and the output end of the second motor (23) is fixedly connected to one end of the gear column (10).

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