Cutter arm coiling device of multi-cutter longitudinal cutting machine
By improving the structural design of the multi-blade slitting machine's cutter arm winding device, the problem of unstable winding in the multi-blade slitting equipment for semi-finished all-steel radial tires was solved, achieving higher stability and cost-effectiveness.
Patent Information
- Application Number
- CN202520272744.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The winding device of the multi-blade slitting equipment for semi-finished all-steel radial tires has poor stability during the single-roll winding process, resulting in frequent production of defective products and material waste.
Design a multi-blade slitting machine cutter arm winding device, which adopts a cutter arm shaft with square shafts at both ends and a circular shaft in the middle to install the multi-blade slitting machine cutter arm. The cutter plate has an arc groove on the top and a cutter arm seat below. Stability is enhanced by welding ribs, and it is equipped with a winding square bar shaft and a rotating wheel for use.
It improves the stability of winding, enhances the quality of semi-finished tire components, reduces waste of manpower and resources, and lowers the cost of equipment use and maintenance.
Smart Images

Figure CN223704708U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tire semi-finished part production device field, in detail is a kind of multi-cutter longitudinal cutting machine cutter arm coiling device. BACKGROUND
[0002] It is known that the coiling device of the multi-cutter longitudinal cutting machine for semi-finished product of all-steel radial tire is single and split, and the stability is poor during single coiling, and frequent unqualified products are produced, causing waste of materials. SUMMARY
[0003] In order to overcome the deficiencies of the prior art, the utility model provides a multi-cutter longitudinal cutting machine cutter arm coiling device, which improves the stability of coiling.
[0004] The utility model discloses a kind of multi-cutter longitudinal cutting machine cutter arm coiling device, it is characterized in that, cutter arm shaft both ends are square shaft, cutter arm shaft middle is circular shaft, one multi-cutter longitudinal cutting machine cutter arm is respectively installed at circular shaft both ends, and the multi-cutter longitudinal cutting machine cutter arm includes blade, rib plate, cutter arm seat, arc slot is opened above blade, cutter arm seat is below blade, the center of cutter arm seat is through hole, cutter arm seat is fitted on circular shaft by through hole, rib plate is welded between below blade and cutter arm seat, coiling square shaft is installed between the top of two multi-cutter longitudinal cutting machine cutter arms, and the both ends of coiling square shaft are designed as circular shaft, two rotating wheels are installed at circular shaft both ends, circular recess is opened in the circumferential surface of rotating wheel, the circular recess is matched with the arc slot above blade, and the middle of coiling square shaft is square shaft.
[0005] The utility model has the advantages of improving the stability of multi-cutter equipment coiling, effectively improving the quality of tire semi-finished parts, reducing manpower and material resources waste, saving the use cost and maintenance cost of equipment. BRIEF DESCRIPTION OF DRAWINGS
[0006] The utility model will be further described below in connection with the drawings and examples.
[0007] Figure 1 The utility model discloses the connecting relation diagram of the multi-cutter longitudinal cutting machine cutter arm of the cutter arm shaft.
[0008] Figure 2 The utility model is Figure 1 The side view of the multi-cutter longitudinal cutting machine cutter arm in the utility model.
[0009] Figure 3 The structure diagram of the coiling square shaft of the utility model.
[0010] Figure 4 The utility model is Figure 3 The enlarged view of the rotating wheel in the utility model.
[0011] Figure 5 is a structural schematic view of the utility model.
[0012] Figure 1. Multi-blade longitudinal cutting machine arm, 1-1. Knife plate, 1-2. Rib plate, 1-3. Knife arm seat, 2. Knife arm shaft, 2-1. Square shaft, 2-2. Round shaft, 3. Winding square shaft, 3-1. Round shaft, 3-2. Rotary wheel, 3-3. Square shaft. DETAILED DESCRIPTION
[0013] In the figure, the utility model is equipped with knife arm shaft 2, both ends of knife arm shaft 2 are square shaft 2-1, the middle of knife arm shaft 2 is round shaft 2-2, one multi-blade longitudinal cutting machine arm 1 is installed at both ends of round shaft 2-2 respectively, multi-blade longitudinal cutting machine arm 1 includes knife plate 1-1, rib plate 1-2 and knife arm seat 1-3, arc grooves are opened above knife plate 1-1, knife arm seat 1-3 is below knife plate 1-1, the center of knife arm seat 1-3 is through hole, knife arm seat 1-3 is sleeved on round shaft 2-2 through through hole, rib plate 1-2 is welded between the lower side of knife plate 1-1 and knife arm seat 1-3, which prevents knife plate 1-1 from deforming and breaking. Knife arm shaft 2 is installed between the equipment chuck, winding square shaft 3 is installed in the middle of multi-blade longitudinal cutting machine arm 1 to carry out winding action. Winding square shaft 3 is installed between the upper sides of two multi-blade longitudinal cutting machine arms 1, both ends of winding square shaft 3 are designed as round shaft 3-1, two rotary wheels 3-2 are installed at both ends of round shaft 3-1, round recesses are opened in the circumferential surface of rotary wheel 3-2, the round recesses are matched with the arc grooves above knife plate 1-1, two bearings are installed in the center of rotary wheel 3-2, bearings are fixed by hole stop collar, the middle of winding square shaft 3 is square shaft 3-3.
Claims
1. A knife arm winding device for a multi-knife slitting machine, provided with a knife arm shaft, characterized in that The two ends of the cutter arm shaft are square shafts, the middle part of the cutter arm shaft is a circular shaft, and one multi-cutter longitudinal cutting machine cutter arm is respectively installed at the two ends of the circular shaft. The multi-cutter longitudinal cutting machine cutter arm comprises a cutter plate, a rib plate and a cutter arm seat. An arc groove is formed in the upper part of the cutter plate. The lower part of the cutter plate is the cutter arm seat. The center of the cutter arm seat is a through hole. The cutter arm seat is sleeved on the circular shaft through the through hole. The rib plate is welded between the lower part of the cutter plate and the cutter arm seat. A coiling square shaft is installed between the upper parts of the two multi-cutter longitudinal cutting machine cutter arms. The two ends of the coiling square shaft are designed as circular shafts. Two rotating wheels are installed at the two ends of the circular shaft. A circular groove is formed in the middle part of the circumferential surface of the rotating wheel. The circular groove is matched with the arc groove in the upper part of the cutter plate. The middle part of the coiling square shaft is a square shaft.