Automatic feeding mechanism for handbag processing

Abstract

The utility model relates to the technical field of automatic feeding mechanisms, in particular to an automatic feeding mechanism for handbag processing, which is characterized in that the position of a first cutting mechanism is adjusted by starting an adjusting mechanism, and according to the size of a handbag material, the first cutting mechanism is started to cut the handbag material for the first time; a worker places cut waste on the winding mechanism, the winding mechanism is started to wind the waste, the second cutting mechanism is stretched to transversely cut a hand bag material, and the practicability of the equipment is improved; comprising a feeding mechanism; the cutting machine further comprises a conveying mechanism, an adjusting mechanism, a first cutting mechanism, a winding mechanism and a second cutting mechanism, the conveying mechanism is installed on the feeding mechanism and the winding mechanism, the adjusting mechanism is installed on the feeding mechanism, the first cutting mechanism is installed on the adjusting mechanism, the winding mechanism is installed on the feeding mechanism, and the second cutting mechanism is installed on the winding mechanism.

Description

Technical Field

[0001] This utility model relates to the technical field of automatic feeding mechanisms, and in particular to an automatic feeding mechanism for processing tote bags. Background Technology

[0002] More and more shopping bags are using environmentally friendly materials, such as recycled paper, organic cotton, and bamboo fiber, to reduce their negative impact on the environment. With increasing environmental awareness and a growing demand for aesthetically pleasing packaging, paper shopping bags, as an environmentally friendly, attractive, and practical type of packaging, are gradually gaining popularity. Therefore, the market prospects for paper shopping bags are very broad, with great development potential. In the future, paper shopping bags are likely to continue to innovate and develop in terms of materials, design, and manufacturing processes to meet the needs of more consumers.

[0003] For example, the automatic feeding mechanism disclosed in the utility model patent application number CN202320999316.0 represents a type of prior art. Its main structure includes an operating table, a fixed table, a feeding table, a fixed plate, a suction cup, a lead screw, and a drive motor. The automatic feeding mechanism achieves its function through the cooperation of the operating table, fixed table, feeding table, fixed plate, suction cup, lead screw, and drive motor.

[0004] When automatically feeding tote bags during the processing of tote bags, the tote bags need to be cut. Traditional automatic feeding mechanisms for tote bag processing have difficulty adjusting the position of the cutting blade to cut tote bags of different sizes. Furthermore, traditional automatic feeding mechanisms for tote bag processing have difficulty collecting the waste material from the cut tote bags. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides an automatic feeding mechanism for tote bag processing. The position of the first cutting mechanism is adjusted by activating the adjustment mechanism. According to the size of the tote bag material, the first cutting mechanism is activated to perform the first cut. The worker places the cut waste material on the winding mechanism and activates the winding mechanism to wind up the waste material. The second cutting mechanism is extended to perform lateral cuts on the tote bag material, thereby improving the practicality of the equipment.

[0006] This utility model discloses an automatic feeding mechanism for processing tote bags, including a feeding mechanism; it also includes a conveying mechanism, an adjusting mechanism, a first cutting mechanism, a winding mechanism, and a second cutting mechanism. The conveying mechanism is installed on the feeding mechanism and the winding mechanism, the adjusting mechanism is installed on the feeding mechanism, the first cutting mechanism is installed on the adjusting mechanism, the winding mechanism is installed on the feeding mechanism, and the second cutting mechanism is installed on the winding mechanism. The feeding mechanism supplies tote bag material, the conveying mechanism compresses and conveys the tote bag material, the adjusting mechanism adjusts the position of the first cutting mechanism, and the first cutting mechanism performs a first cut according to the size of the tote bag material. The worker places the cut waste on the winding mechanism, the winding mechanism winds the waste, and the conveying mechanism conveys the first-cut tote bag material to the area below the second cutting mechanism. The second cutting mechanism then performs a lateral cut on the tote bag material, improving the practicality of the equipment.

[0007] Preferably, the feeding mechanism includes an operating table, multiple first support columns, a feeding roller, and a first motor. The top of the operating table has multiple slots, and the operating table has a cavity inside. The bottom ends of the multiple first support columns are respectively installed on the top left of the operating table. The front and rear ends of the feeding roller are respectively rotatably installed on the top of the multiple first support columns. The output end of the first motor is connected to the front end of the feeding roller. The operating table supports the multiple first support columns, and the multiple first support columns support the two ends of the feeding roller. By starting the first motor, the feeding roller is rotated, causing the feeding roller to discharge the material of the shopping bag, thereby improving the practicality of the equipment.

[0008] Preferably, the conveying mechanism includes multiple second support rods, multiple conveying rollers, multiple first mounting frames, multiple first cylinders, and multiple second motors. The two ends of the lower multiple second support rods are rotatably mounted on the bottom ends of the multiple conveying rollers, and the top ends of the multiple conveying rollers are respectively mounted on the operating table. The two ends of the upper multiple second support rods are rotatably mounted on the multiple first mounting frames, and the top ends of the multiple first mounting frames are respectively mounted on the bottom ends of the multiple first cylinders. The top ends of the multiple first cylinders are respectively mounted on the winding mechanism. The output ends of the multiple second motors are respectively connected to the front ends of the multiple second support rods. The multiple conveying rollers support the lower multiple second support rods. By extending the multiple first cylinders and passing through the multiple first mounting frames, the upper multiple second support rods are lowered to compress the bag material. By activating the multiple second motors, the multiple second support rods are rotated, and the upper and lower multiple second support rods rotate in opposite directions to convey the bag material, improving the practicality of the equipment.

[0009] Preferably, the adjustment mechanism includes a third motor, a positive and negative lead screw, a slide groove, and multiple sliders. The output end of the third motor is connected to the front end of the positive and negative lead screw. The positive and negative lead screw is located inside the slide groove, and multiple sliders are provided on the positive and negative lead screw. The outer rings of the multiple sliders are slidably installed on the left and right inner walls of the slide groove, respectively. The third motor, the positive and negative lead screw, the slide groove, and the multiple sliders are all located in the cavity of the operating table. By starting the third motor, the positive and negative lead screw rotates in the slide groove, and the slide groove guides the multiple sliders to move respectively, thereby adjusting the position of the first cutting mechanism and improving the practicality of the equipment.

[0010] Preferably, the first cutting mechanism includes multiple first cutting blades, multiple first cutting grooves, multiple first transmission wheels, multiple transmission belts, multiple second transmission wheels, multiple fourth motors, and multiple second mounting brackets. The multiple first cutting blades are rotatably mounted within the multiple first cutting grooves, the bottom ends of the multiple first cutting grooves are mounted on the top ends of the multiple second mounting brackets, the inner rings of the multiple first transmission wheels are mounted on the front ends of the multiple first cutting blades, the multiple transmission belts are respectively fitted onto the outer rings of the multiple first transmission wheels and the multiple second transmission wheels, the inner rings of the multiple second transmission wheels are respectively mounted on the output ends of the multiple fourth motors, the multiple fourth motors are respectively mounted on the top ends of the multiple second mounting brackets, and the multiple fourth motors are respectively located below the multiple first cutting blades. The bottom of the front and rear second mounting brackets are respectively provided with pulleys. The multiple first cutting blades support the multiple first cutting grooves. By activating the multiple fourth motors, the multiple second transmission wheels are rotated, and the multiple first transmission wheels are rotated via the multiple transmission belts, thus enabling the multiple first cutting blades to perform the first cut on the tote bag material, improving the practicality of the equipment.

[0011] Preferably, the winding mechanism includes a bracket, multiple third support columns, a winding roller, and a fifth motor. The top ends of the multiple third support columns are respectively mounted on the bracket, and the two ends of the winding roller are respectively rotatably mounted on the bottom ends of the multiple third support columns. The output end of the fifth motor is connected to the left end of the winding roller. The bracket supports the multiple third support columns, and the multiple third support columns support the winding roller. By starting the fifth motor, the winding roller is rotated to wind up the waste material of the tote bag, thereby improving the practicality of the equipment.

[0012] Preferably, the second cutting mechanism includes a second cylinder, a second cutting groove, a second cutting blade, and multiple guide rods. The top end of the second cutting groove is installed at the bottom end of the second cylinder, and the top end of the second cutting blade is installed inside the second cutting groove. The multiple guide rods are slidably installed on the bracket, and the bottom ends of the multiple guide rods are respectively installed at the top end of the second cutting groove. The multiple guide rods are located on both sides of the second cylinder. By extending the second cylinder through the second cutting groove, the second cutting blade performs a second cut on the tote bag material, cutting off the tote bag material. The multiple guide rods guide the second cylinder, and the cut tote bag material is discharged through the transmission mechanism, improving the practicality of the equipment.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the feeding mechanism supplies the material for the tote bag, the conveying mechanism compresses and conveys the material, the adjusting mechanism adjusts the position of the first cutting mechanism, and the first cutting mechanism performs the first cut according to the size of the tote bag material. The worker places the cut waste on the winding mechanism, the winding mechanism winds up the waste, and the conveying mechanism conveys the first cut tote bag material to the bottom of the second cutting mechanism. The second cutting mechanism then performs a transverse cut on the tote bag material, thus improving the practicality of the equipment. Attached Figure Description

[0014] Figure 1 This is an isometric sectional view of the present invention;

[0015] Figure 2 This is an isometric schematic diagram of the feeding mechanism of this utility model;

[0016] Figure 3 This is an isometric schematic diagram of the transmission mechanism of this utility model;

[0017] Figure 4 This is an isometric schematic diagram of the adjustment mechanism of this utility model;

[0018] Figure 5 This is an isometric schematic diagram of the first cutting mechanism of this utility model;

[0019] Figure 6 This is a right view of the winding mechanism of this utility model;

[0020] Figure 7 This is an isometric schematic diagram of the second cutting mechanism of this utility model.

[0021] The attached diagram shows the following markings: 01, feeding mechanism; 11, operating table; 12, first support column; 13, feeding roller; 14, first motor; 02, conveying mechanism; 21, second support rod; 22, conveying roller; 23, first mounting frame; 24, first cylinder; 25, second motor; 03, adjusting mechanism; 31, third motor; 32, positive and negative lead screws; 33, slide groove; 34, slider; 04, first cutting mechanism; 41, first cutting blade; 42, first blade groove; 43, first transmission wheel; 44, transmission belt; 45, second transmission wheel; 46, fourth motor; 47, second mounting frame; 05, winding mechanism; 51, bracket; 52, third support column; 53, winding roller; 54, fifth motor; 06, second cutting mechanism; 61, second cylinder; 62, second blade groove; 63, second cutting blade; 64, guide rod. Detailed Implementation

[0022] 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.

[0023] Example 1

[0024] like Figure 1 As shown, an automatic feeding mechanism for processing tote bags includes a feeding mechanism 01; it also includes a conveying mechanism 02, an adjusting mechanism 03, a first cutting mechanism 04, a winding mechanism 05, and a second cutting mechanism 06. The conveying mechanism 02 is installed on the feeding mechanism 01 and the winding mechanism 05, the adjusting mechanism 03 is installed on the feeding mechanism 01, the first cutting mechanism 04 is installed on the adjusting mechanism 03, the winding mechanism 05 is installed on the feeding mechanism 01, and the second cutting mechanism 06 is installed on the winding mechanism 05.

[0025] The material for the tote bag is supplied by the feeding mechanism 01, and the material is pressed and conveyed by the conveying mechanism 02. The position of the first cutting mechanism 04 is adjusted by the adjusting mechanism 03. According to the size of the tote bag material, the first cutting mechanism 04 is started to make the first cut. The cut waste is placed on the winding mechanism 05 and the winding mechanism 05 is started to wind up the waste. The first cut tote bag material is conveyed to the second cutting mechanism 06 by the conveying mechanism 02. The second cutting mechanism 06 is extended to make a horizontal cut on the tote bag material, thereby improving the practicality of the equipment.

[0026] like Figure 2As shown, the feeding mechanism 01 includes an operating table 11, multiple first support columns 12, a feeding roller 13, and a first motor 14. The top of the operating table 11 is provided with multiple slots, and the inside of the operating table 11 is provided with a cavity. The bottom ends of the multiple first support columns 12 are respectively installed on the top left of the operating table 11. The front and rear ends of the feeding roller 13 are respectively rotatably installed on the top of the multiple first support columns 12. The output end of the first motor 14 is connected to the front end of the feeding roller 13.

[0027] like Figure 3 As shown, the conveying mechanism 02 includes multiple conveying roller second support rods 21, multiple first cylinder conveying rollers 22, multiple second support column first mounting brackets 23, and multiple second motor first cylinders 24. The two ends of the upper multiple conveying roller second support rods 21 are respectively rotatably mounted on the bottom ends of the multiple first cylinder conveying rollers 22, and the top ends of the multiple first cylinder conveying rollers 22 are respectively mounted on the winding mechanism 05. The two ends of the lower multiple conveying roller second support rods 21 are respectively rotatably mounted on the bottom ends of the multiple second support column first mounting brackets 23, and the top ends of the multiple second support column first mounting brackets 23 are respectively mounted on the operating table 11. The output ends of the multiple second motor first cylinders 24 are respectively connected to the front ends of the multiple conveying roller second support rods 21.

[0028] The operating platform 11 supports multiple first support columns 12, which in turn support both ends of the feeding roller 13. By starting the first motor 14, the feeding roller 13 is rotated, causing it to discharge the bag material. Multiple conveying rollers 22 support multiple lower second support rods 21. By extending multiple first cylinders 24, multiple upper second support rods 21 are lowered via multiple first mounting frames 23, pressing the bag material. By starting multiple second motors 25, multiple second support rods 21 are rotated, with the upper and lower second support rods 21 rotating in opposite directions to convey the bag material, thus improving the equipment's practicality.

[0029] Example 2

[0030] like Figures 4 to 6As shown, based on Embodiment 1, it also includes an adjustment mechanism 03, a first cutting mechanism 04, and a winding mechanism 05. The adjustment mechanism 03 includes a third motor 31, a positive and negative lead screw 32, a slide groove 33, and multiple sliders 34. The output end of the third motor 31 is connected to the front end of the positive and negative lead screw 32, which is located inside the slide groove 33. Multiple sliders 34 are provided on the positive and negative lead screw 32, and the outer rings of the multiple sliders 34 are respectively slidably installed on the left and right inner walls of the slide groove 33. The third motor 31, the positive and negative lead screw 32, the slide groove 33, and the multiple sliders 34 are all located in the cavity of the operating table 11. The first cutting mechanism 04 includes multiple first cutting blades 41, multiple first cutting grooves 42, multiple first transmission wheels 43, multiple transmission belts 44, multiple second transmission wheels 45, multiple fourth motors 46, and multiple second mounting brackets 47. The multiple first cutting blades 41 are respectively rotatably installed in the multiple first cutting grooves 42. The bottom ends of the multiple first drive wheels 43 are respectively installed on the top of the multiple second mounting brackets 47, the inner rings of the multiple first drive wheels 43 are respectively installed on the front end of the multiple first cutters 41, the multiple drive belts 44 are respectively fitted on the outer rings of the multiple first drive wheels 43 and the multiple second drive wheels 45, the inner rings of the multiple second drive wheels 45 are respectively installed on the output ends of the multiple fourth motors 46, the multiple fourth motors 46 are respectively installed on the top of the multiple second mounting brackets 47, and the multiple fourth motors 46 are respectively located below the multiple first cutters 41. The bottom of the front and rear second mounting brackets 47 are respectively provided with pulleys; the winding mechanism 05 includes a bracket 51, multiple third support columns 52, a winding roller 53 and a fifth motor 54. The top ends of the multiple third support columns 52 are respectively installed on the bracket 51, the two ends of the winding roller 53 are respectively rotatably installed on the bottom ends of the multiple third support columns 52, and the output end of the fifth motor 54 is connected to the left end of the winding roller 53;

[0031] By starting the third motor 31, the positive and negative lead screws 32 rotate within the slide groove 33. Guided by the slide groove 33, multiple sliders 34 move respectively, adjusting the position of the first cutting mechanism 04. Multiple first cutting blades 41 support multiple first cutting grooves 42. By starting multiple fourth motors 46, multiple second transmission wheels 45 rotate, which in turn rotate multiple first transmission wheels 43 via multiple transmission belts 44, causing the multiple first cutting blades 41 to perform the first cut on the tote bag material. The bracket 51 supports multiple third support columns 52, which in turn support the winding roller 53. By starting the fifth motor 54, the winding roller 53 rotates, winding up the waste material from the tote bag, improving the practicality of the equipment.

[0032] Example 3

[0033] like Figure 7As shown, based on Embodiment 1, a second cutting mechanism 06 is also included. The second cutting mechanism 06 includes a second cylinder 61, a second blade groove 62, a second cutting blade 63, and a plurality of guide rods 64. The top end of the second blade groove 62 is installed at the bottom end of the second cylinder 61, the top end of the second cutting blade 63 is installed in the second blade groove 62, and the plurality of guide rods 64 are slidably installed on the bracket 51 respectively. The bottom ends of the plurality of guide rods 64 are respectively installed at the top end of the second blade groove 62, and the plurality of guide rods 64 are respectively located on both sides of the second cylinder 61.

[0034] By extending the second cylinder 61 through the second cutter groove 62, the second cutting blade 63 performs a second cut on the tote bag material, cutting the tote bag material off. Multiple guide rods 64 guide the second cylinder 61 respectively, and the cut tote bag material is discharged through the transmission mechanism, improving the practicality of the equipment.

[0035] like Figures 1 to 7 As shown, this utility model discloses an automatic feeding mechanism for processing tote bags. During operation, the operating table 11 first supports multiple first support columns 12, which in turn support both ends of a feeding roller 13. The feeding roller 13 is rotated by starting the first motor 14, discharging the tote bag material. Then, multiple conveying rollers 22 support multiple lower second support rods 21. Multiple first cylinders 24 extend via multiple first mounting brackets 23, causing the upper second support rods 21 to descend and compress the tote bag material. Multiple second motors 25 rotate the second support rods 21, with the upper and lower second support rods rotating in opposite directions to convey the tote bag material. Finally, a third motor 31 rotates the forward and reverse lead screws 32 within a slide groove 33, guiding multiple sliders 3... 4. The positions of the first cutting mechanism 04 are adjusted by moving the first cutting blades 41 to support the first cutting grooves 42. The second transmission wheels 45 are rotated by starting the fourth motors 46, and the first transmission wheels 43 are rotated by the transmission belts 44. The first cutting blades 41 cut the bag material for the first time. Then, the bracket 51 supports the third support columns 52, which support the winding rollers 53. The winding rollers 53 are rotated by starting the fifth motor 54 to wind up the waste material of the bag. Finally, the second cutting blades 63 cut the bag material for the second time by extending the second cylinder 61 through the second cutting grooves 62. The bag material is cut off by the second cutting blades 63. The second cylinder 61 is guided by the guide rods 64. The cut bag material is discharged by the transmission mechanism, improving the practicality of the equipment.

[0036] The first motor 14, the second motor 25, the third motor 31, the fourth motor 46, and the fifth motor 54 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.

[0037] The main functions achieved by this utility model are as follows: the position of the first cutting mechanism 04 is adjusted by activating the adjustment mechanism 03; according to the size of the tote bag material, the first cutting mechanism 04 is activated to perform the first cut; the worker places the cut waste material on the winding mechanism 05; the winding mechanism 05 is activated to wind up the waste material; and the second cutting mechanism 06 is extended to perform a transverse cut on the tote bag material, thereby improving the practicality of the equipment.

[0038] 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. An automatic feeding mechanism for processing tote bags, comprising a feeding mechanism (01); characterized in that, It also includes a conveying mechanism (02), an adjusting mechanism (03), a first cutting mechanism (04), a winding mechanism (05), and a second cutting mechanism (06). The conveying mechanism (02) is installed on the feeding mechanism (01) and the winding mechanism (05). The adjusting mechanism (03) is installed on the feeding mechanism (01). The first cutting mechanism (04) is installed on the adjusting mechanism (03). The winding mechanism (05) is installed on the feeding mechanism (01). The second cutting mechanism (06) is installed on the winding mechanism (05).

2. The automatic feeding mechanism for tote bag processing as described in claim 1, characterized in that, The feeding mechanism (01) includes an operating table (11), multiple first support columns (12), a feeding roller (13) and a first motor (14). The top of the operating table (11) is provided with multiple slots, and the operating table (11) has a cavity inside. The bottom ends of the multiple first support columns (12) are respectively installed on the left side of the top of the operating table (11). The front and rear ends of the feeding roller (13) are respectively rotatably installed on the top of the multiple first support columns (12). The output end of the first motor (14) is connected to the front end of the feeding roller (13).

3. The automatic feeding mechanism for tote bag processing as described in claim 2, characterized in that, The conveying mechanism (02) includes multiple second support rods (21), multiple conveying rollers (22), multiple first mounting brackets (23), multiple first cylinders (24), and multiple second motors (25). The two ends of the multiple lower second support rods (21) are respectively rotatably mounted on the bottom ends of the multiple conveying rollers (22). The top ends of the multiple conveying rollers (22) are respectively mounted on the operating table (11). The two ends of the multiple upper second support rods (21) are respectively rotatably mounted on the multiple first mounting brackets (23). The top ends of the multiple first mounting brackets (23) are respectively mounted on the bottom ends of the multiple first cylinders (24). The top ends of the multiple first cylinders (24) are respectively mounted on the winding mechanism (05). The output ends of the multiple second motors (25) are respectively connected to the front ends of the multiple second support rods (21).

4. The automatic feeding mechanism for tote bag processing as described in claim 2, characterized in that, The adjustment mechanism (03) includes a third motor (31), a positive and negative lead screw (32), a slide groove (33), and multiple sliders (34). The output end of the third motor (31) is connected to the front end of the positive and negative lead screw (32). The positive and negative lead screw (32) is located inside the slide groove (33). Multiple sliders (34) are provided on the positive and negative lead screw (32). The outer rings of the multiple sliders (34) are respectively slidably installed on the left and right inner walls of the slide groove (33). The third motor (31), the positive and negative lead screw (32), the slide groove (33), and the multiple sliders (34) are all located in the cavity of the operating table (11).

5. The automatic feeding mechanism for tote bag processing as described in claim 1, characterized in that, The first cutting mechanism (04) includes multiple first cutting blades (41), multiple first cutting grooves (42), multiple first transmission wheels (43), multiple transmission belts (44), multiple second transmission wheels (45), multiple fourth motors (46), and multiple mounting brackets (47). The multiple first cutting blades (41) are rotatably mounted in the multiple first cutting grooves (42), the bottom ends of the multiple first cutting grooves (42) are respectively mounted on the top ends of the multiple mounting brackets (47), and the inner rings of the multiple first transmission wheels (43) are respectively mounted on the top ends of the multiple first transmission wheels (46). At the front end of the cutting blade (41), multiple transmission belts (44) are respectively fitted onto the outer rings of multiple first transmission wheels (43) and multiple second transmission wheels (45). The inner rings of multiple second transmission wheels (45) are respectively mounted on the output ends of multiple fourth motors (46). Multiple fourth motors (46) are respectively mounted on the top of multiple second mounting brackets (47), and multiple fourth motors (46) are respectively located below multiple first cutting blades (41). The bottom of the front and rear second mounting brackets (47) are respectively provided with pulleys.

6. The automatic feeding mechanism for tote bag processing as described in claim 1, characterized in that, The winding mechanism (05) includes a bracket (51), multiple third support columns (52), a winding roller (53) and a fifth motor (54). The top ends of the multiple third support columns (52) are respectively mounted on the bracket (51), and the two ends of the winding roller (53) are respectively rotatably mounted on the bottom ends of the multiple third support columns (52). The output end of the fifth motor (54) is connected to the left end of the winding roller (53).

7. The automatic feeding mechanism for tote bag processing as described in claim 5, characterized in that, The second cutting mechanism (06) includes a second cylinder (61), a second cutting groove (62), a second cutting blade (63), and a plurality of guide rods (64). The top end of the second cutting groove (62) is installed at the bottom end of the second cylinder (61), the top end of the second cutting blade (63) is installed in the second cutting groove (62), and the plurality of guide rods (64) are slidably installed on the bracket (51). The bottom ends of the plurality of guide rods (64) are respectively installed at the top end of the second cutting groove (62), and the plurality of guide rods (64) are respectively located on both sides of the second cylinder (61).

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