CN-224210694-U - U-shaped notch forming device and paper bag forming machine

Abstract

The utility model aims to disclose a U-shaped notch forming device and a paper bag forming machine, and relates to the technical field of bag body forming, comprising a bottom cutter assembly, an upper cutter assembly, a first adjusting assembly and a second adjusting assembly; the bottom cutter assembly comprises a bottom cutter shaft, a first bottom cutter sleeve and a second bottom cutter sleeve, wherein the first bottom cutter sleeve is provided with a first U-shaped groove, the upper cutter assembly comprises an upper cutter shaft, a first upper cutter sleeve and a second upper cutter sleeve, the first upper cutter sleeve is provided with a first U-shaped saw tooth cutter, the first adjusting assembly comprises a first screw rod and a first push plate, the second adjusting assembly comprises a second screw rod and a second push plate, the first push plate synchronously drives the first bottom cutter sleeve and the first upper cutter sleeve to translate, the position of a first U-shaped notch formed by the first U-shaped saw tooth cutter and the first U-shaped groove is adjusted, the second push plate synchronously drives the second bottom cutter sleeve and the second upper cutter sleeve to translate, and the position of a second U-shaped notch formed by the second U-shaped saw tooth cutter and the second U-shaped groove is adjusted.

Inventors

• FANG SHUNKAI
• CHENG JIXIAN

Assignees

• 江苏方邦机械有限公司

Dates

Publication Date

20260508

Application Date

20250512

Claims (10)

1. 1.U type notch forming device, which is characterized by comprising a bottom cutter assembly, an upper cutter assembly, a first adjusting assembly and a second adjusting assembly; The bottom cutter assembly comprises a bottom cutter shaft, and a first bottom cutter sleeve and a second bottom cutter sleeve movably sleeved on the bottom cutter shaft, wherein the first bottom cutter sleeve is provided with a first U-shaped groove, and the second bottom cutter sleeve is provided with a second U-shaped groove; The upper cutter assembly comprises an upper cutter shaft, a first upper cutter sleeve and a second upper cutter sleeve movably sleeved on the upper cutter shaft, the first upper cutter sleeve is provided with a first U-shaped saw tooth cutter, and the second upper cutter sleeve is provided with a second U-shaped saw tooth cutter; The first adjusting assembly comprises a first screw rod and a first push plate driven by the first screw rod, and the first push plate synchronously drives the first bottom cutter sleeve and the first upper cutter sleeve to move; The second adjusting assembly comprises a second screw rod and a second push plate driven by the second screw rod, and the second push plate synchronously drives the second bottom cutter sleeve and the second upper cutter sleeve to move.
2. 2. The U-shaped notch forming apparatus of claim 1 wherein the first push plate includes a first vertical portion and a first L-shaped plate fixedly mounted on top of the first vertical portion, a first annular groove is provided at one end of the first upper knife sleeve, and the vertical portion of the first L-shaped plate is embedded in the first annular groove.
3. 3. The U-notch forming apparatus of claim 2 wherein the first upright portion fixedly mounts an end of the first bed knife housing.
4. 4. The U-shaped notch forming apparatus of claim 1 wherein the second push plate includes a second vertical portion and a second L-shaped plate fixedly mounted on top of the second vertical portion, a second annular groove is provided at one end of the second upper knife housing, and the vertical portion of the second L-shaped plate is embedded in the second annular groove.
5. 5. The U-notch forming apparatus of claim 4 wherein said second upright portion fixedly mounts an end of said second bed knife housing.
6. 6. A U-notch forming apparatus as in any of claims 1-5 wherein said first U-shaped serrated knife is mated with said first U-shaped slot and said second U-shaped serrated knife is mated with said second U-shaped slot.
7. 7. The U-shaped gap forming apparatus of claim 6, wherein the bottom cutter shaft is rotatably mounted at both ends to the first plate wall and the second plate wall, respectively, and the upper cutter shaft is rotatably mounted at both ends to the first plate wall and the second plate wall, respectively.
8. 8. The U-notch forming apparatus of claim 7 wherein said first screw is rotatably mounted to said first panel wall and a handle is provided at an end of said first screw.
9. 9. The U-notch forming apparatus of claim 7 wherein said second screw is rotatably mounted to said second panel wall and wherein the ends of said second screw are provided with gear teeth.
10. 10. A paper bag forming machine, characterized by comprising the U-shaped notch forming apparatus according to any one of claims 1 to 9.

Description

U-shaped notch forming device and paper bag forming machine Technical Field The utility model relates to the technical field of bag body forming, in particular to a U-shaped notch forming device and a paper bag forming machine. Background The bag body, such as a food bag, a clothes bag and the like, needs to be pasted with a handle and cut into a formed bag opening in the forming process, and how to cut off the rim charge of the bag opening after the handle is pasted is a technical problem to be solved. In view of the above, there is an urgent need to develop a U-shaped notch forming apparatus and a paper bag forming machine to solve the above-mentioned technical problems. Disclosure of Invention The utility model aims to disclose a U-shaped notch forming device and a paper bag forming machine. The first utility model aims to provide a U-shaped notch forming device. A second object of the present utility model is to provide a paper bag forming machine. In order to achieve the first object, the present utility model provides a U-shaped notch forming apparatus, including a bed knife assembly, an upper knife assembly, a first adjusting assembly and a second adjusting assembly; The bottom cutter assembly comprises a bottom cutter shaft, and a first bottom cutter sleeve and a second bottom cutter sleeve movably sleeved on the bottom cutter shaft, wherein the first bottom cutter sleeve is provided with a first U-shaped groove, and the second bottom cutter sleeve is provided with a second U-shaped groove; The upper cutter assembly comprises an upper cutter shaft, a first upper cutter sleeve and a second upper cutter sleeve movably sleeved on the upper cutter shaft, the first upper cutter sleeve is provided with a first U-shaped saw tooth cutter, and the second upper cutter sleeve is provided with a second U-shaped saw tooth cutter; The first adjusting assembly comprises a first screw rod and a first push plate driven by the first screw rod, and the first push plate synchronously drives the first bottom cutter sleeve and the first upper cutter sleeve to move; The second adjusting assembly comprises a second screw rod and a second push plate driven by the second screw rod, and the second push plate synchronously drives the second bottom cutter sleeve and the second upper cutter sleeve to move. Preferably, the first push plate comprises a first vertical portion and a first L-shaped plate fixedly mounted at the top of the first vertical portion, a first annular groove is formed in one end of the first upper cutter sleeve, and the vertical portion of the first L-shaped plate is embedded into the first annular groove. Preferably, the first vertical portion fixedly mounts an end of the first bed knife pouch. Preferably, the second push plate comprises a second vertical part and a second L-shaped plate fixedly installed at the top of the second vertical part, one end of the second upper cutter sleeve is provided with a second annular groove, and the vertical part of the second L-shaped plate is embedded into the second annular groove. Preferably, the second vertical portion fixedly mounts an end of the second bed knife pouch. Preferably, the first U-shaped serrated knife is mated with the first U-shaped slot, and the second U-shaped serrated knife is mated with the second U-shaped slot. Preferably, two ends of the bottom cutter shaft are respectively rotatably mounted on the first plate wall and the second plate wall, and two ends of the upper cutter shaft are respectively rotatably mounted on the first plate wall and the second plate wall. Preferably, the first screw rod is rotatably mounted on the first panel wall, and a handle is arranged at the end part of the first screw rod. Preferably, the second screw rod is rotatably mounted on the second panel wall, and gear teeth are arranged at the end part of the second screw rod. Based on the same object, in order to achieve the second object, the utility model provides a paper bag forming machine, which comprises the U-shaped notch forming device. Compared with the prior art, the utility model has the beneficial effects that: The first pushing plate synchronously drives the first bottom cutter sleeve and the first upper cutter sleeve to translate, so that the position of a first U-shaped notch formed by the cooperation of the first U-shaped serrated cutter and the first U-shaped groove is adjusted, the synchronous translation of the first U-shaped serrated cutter and the first U-shaped groove is realized, the adjusting efficiency is high, the second pushing plate synchronously drives the second bottom cutter sleeve and the second upper cutter sleeve to translate, the position of a second U-shaped notch formed by the cooperation of the second U-shaped serrated cutter and the second U-shaped groove is adjusted, and the synchronous translation of the second U-shaped serrated cutter and the second U-shaped groove is realized, so that the adjusting efficiency is high. Drawings F