Tool bit structure of cloth cutting machine
By introducing a ball bearing and spring limiting structure into the cutter head structure of the fabric cutter, the problem of reduced yield caused by fabric overlap is solved, and stable positioning and flatness of the fabric are achieved, improving cutting efficiency and ease of replacement of the cutter head assembly.
Patent Information
- Application Number
- CN202520432062.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing fabric cutting machines tend to cause fabric overlap during cutting, leading to a decrease in the yield of finished products.
Design a cutter head structure including a cutter head shell, a cutter head fixing channel, a rolling cavity and ball bearings. The ball bearings are used to support and position the fabric, reduce friction and prevent the fabric from folding. At the same time, springs and limiting structures are used to stabilize the cutter head assembly and work with a fan to flatten the fabric.
It achieves stable positioning and flatness of the fabric, improves cutting efficiency, prevents fabric folding, enhances the stability of the cutter head assembly, and facilitates replacement.
Smart Images

Figure CN223853051U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of textile equipment accessories technology, concretely relates to a cutter head structure of cloth cutting machine. BACKGROUND
[0002] The cloth cutting machine is a kind of mechanical equipment for cutting and dividing cloth. It is usually composed of rack, cutting tool, transmission device and operation control system, and the main function of cloth cutting machine is to cut cloth according to the required size and shape. The existing cutting machine is prone to cause cloth overlapping when cutting cloth due to the rapid movement of cutting mechanism, resulting in the decrease of cutting yield. Therefore, it is very important to obtain a cutter head structure that overcomes the above-mentioned defects. SUMMARY
[0003] To solve at least one of the above technical problems, the utility model provides a cutter head structure of cloth cutting machine, which comprises a cutter head shell, a cutter head fixing channel is formed in the cutter head shell, a cutter head assembly is detachably connected in the cutter head fixing channel, and a cutter main body of the cutter head assembly at least partially penetrates out from the bottom of the cutter head fixing channel.
[0004] The cutter main body comprises a round blade and a connecting shaft, and the round blade is rotationally connected with the connecting shaft.
[0005] A plurality of rolling cavities are formed in the bottom of the cutter head shell on the circumferential side of the cutter head fixing channel, and rolling balls are arranged in the rolling cavities.
[0006] Through the above technical solution, the rolling balls of the utility model can not only support the cutter head shell, but also can provide the function of positioning and pressing cloth, which is convenient for the cutter head assembly to further realize cloth cutting work. Since the rolling balls belong to rolling connection, they can reduce friction and prevent cloth folding.
[0007] As one of the preferred modes, the rolling balls are evenly distributed to support the cutter head shell to be stably placed when not subjected to external force.
[0008] As one of the preferred modes, the rolling balls are arranged in an equilateral triangle shape to increase stability, or arranged in a circular ring shape.
[0009] As one of the preferred modes, the upper and lower surfaces of the two ends of the connecting shaft are respectively provided with first and second limiting surfaces, the top of the cutter head shell and located on both sides of the cutter head fixing channel are provided with mounting grooves, and the second limiting surface contacts the bottom surface of the mounting groove.
[0010] Through the above technical solution, the mounting groove of the utility model can stably install the cutter head assembly.
[0011] Preferably, the bottom surface of the mounting slot is fixed with a positioning column, the second limiting surface is provided with a positioning slot upwardly, and the bottom opening of the positioning slot is trumpet-shaped.
[0012] Through the technical scheme, the positioning column can prevent horizontal movement of the cutter head assembly.
[0013] As one of the preferred modes, the limiting cover is further provided with an adaptive slot, at least one spring is arranged in the adaptive slot, the spring abuts against the first limiting surface and is located outside the positioning column.
[0014] Through the technical scheme, the spring can adapt to the thickness of the cloth during cutting, and the spring can provide a downward pressure to increase the cutting efficiency.
[0015] As one of the preferred modes, the limiting cover and the cutter head shell are connected through fasteners, so that the blade assembly can be replaced conveniently.
[0016] Preferably, the disc-shaped cutter and the connecting shaft are connected through a bearing.
[0017] In the limiting cover, a ventilation duct is further provided, and an existing fan with a motor is fixed in the ventilation duct, so that the fan can be turned on before the ball contacts the cloth, so that the wind blown by the fan passes through the cutter head fixing channel to help the cloth to be cut to be flat.
[0018] Compared with the prior art, the utility model has the advantages that the utility model has simple structure, and plays the roles of flattening cloth and facilitating replacement of the cutter head assembly. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a sectional explosion view of the utility model;
[0020] Figure 2 It is a combined sectional view of the utility model;
[0021] Figure 3 It is a use schematic view of the utility model;
[0022] REFERENCE SIGNS
[0023] 1 cutter head shell, 101 cutter head fixing channel, 102 rolling cavity, 103 ball, 104 first limiting surface, 105 second limiting surface, 106 mounting slot, 107 positioning column, 108 positioning slot, 109 limiting cover, 110 spring, 111 adaptive slot, 112 fan, 113 trumpet-shaped, 114 bearing;
[0024] 2 cutter head assembly, 201 cutter main body, 202 disc-shaped cutter, 203 connecting shaft. DETAILED DESCRIPTION
[0025] In order for those skilled in the art to better understand the present application, so as to make a clearer limitation to the scope of the present application, the present application is described in detail below with respect to certain specific embodiments of the present application. It should be noted that the following is only certain specific embodiments of the present application concept and is only a part of the embodiments of the present application, and the specific and direct description of the related structure is only for the convenience of understanding the present application, and each specific feature does not of course, directly limit the scope of the present application.
[0026] Referring to the drawings, the present application adopts the following technical solutions, the present application provides a cutter head structure of cloth cutting machine, including cutter head shell 1, the cutter head shell 1 is internally provided with cutter head fixed channel 101, the cutter head fixed channel 101 is detachably connected with cutter head assembly 2, the cutter head assembly 2 at least part of cutter main body 201 from the bottom of the cutter head fixed channel 101 is out;
[0027] The cutter main body 201 includes a circular blade 202 and a connecting shaft 203, and the circular blade 202 is rotatably connected with the connecting shaft 203.
[0028] The bottom of the cutter head shell 1 located on the side of the cutter head fixed channel 101 is provided with a plurality of rolling cavities 102, and the rolling cavities 102 are internally provided with rolling balls 103.
[0029] Through the above technical solution, the rolling ball 103 of the present application can not only support the cutter head shell 1, but also can provide positioning cloth and pressing cloth, which is convenient for the cutter head assembly 2 to further realize cloth cutting work, and since the rolling ball 103 is a rolling connection, it can reduce friction and prevent cloth folding.
[0030] As the above-mentioned preferred mode, the rolling balls 103 are uniformly distributed to support the cutter head shell 1 to be stably placed when not subjected to external force.
[0031] As the above-mentioned preferred mode, the rolling balls 103 are provided in an equilateral triangle arrangement to increase stability, or are provided in a circular ring shape.
[0032] As the above-mentioned preferred mode, the upper and lower surfaces of both ends of the connecting shaft 203 are respectively provided with a first limiting surface 104 and a second limiting surface 105, and the top of the cutter head shell 1 and located on both sides of the cutter head fixed channel 101 are provided with a mounting groove 106, and the second limiting surface 105 contacts the bottom surface of the mounting groove 106.
[0033] Through the above technical solution, the mounting groove 106 of the present application can stably install the cutter head assembly 2.
[0034] Preferably, the bottom surface of the installation slot 106 is fixed with a positioning column 107, the second limiting surface 105 is upwardly provided with a positioning slot 108, and the bottom opening of the positioning slot 108 is trumpet-shaped 113.
[0035] Through the above technical scheme, the positioning column 107 can prevent the horizontal movement of the cutter head assembly 2.
[0036] As one of the above preferred modes, the limiting cover 109 is further provided with an accommodation slot 111, at least one spring 110 is arranged in the accommodation slot 111, the spring 110 abuts against the first limiting surface 104 and is located outside the positioning column 107.
[0037] Through the above technical scheme, the spring 110 can adapt to the thickness of the cloth during cutting, and the spring 110 can provide a downward pressure to increase the cutting efficiency.
[0038] As one of the above preferred modes, the limiting cover 109 and the cutter head shell 1 are connected through fasteners, so that the cutter head assembly can be replaced conveniently.
[0039] Preferably, the circular blade 202 and the connecting shaft 203 are connected through a bearing 114.
[0040] In the limiting cover 109, a ventilation duct is further provided, and an existing fan 112 with a motor is fixed in the ventilation duct, so that the fan 112 can be turned on before the ball 103 contacts the cloth, and the wind blown by the fan 112 passes through the cutter head fixing channel 101 to help the cloth to be cut to be flat.
[0041] Compared with the prior art, the utility model has the advantages that the utility model is simple in structure, and can play the roles of flattening the cloth and facilitating replacement of the cutter head assembly 2.
[0042] The term "comprising" or any other similar word is intended to encompass non-exclusive inclusion, so that the process, article or equipment / device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to the process, article or equipment / device.
[0043] In the description of the utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0044] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to related technical features without deviating from the principles of the utility model, and the technical schemes after these changes or replacements will all fall within the protection scope of the utility model.
Claims
1. A knife head structure of a cloth cutting machine, characterized by: Including knife head shell (1), the knife head shell (1) is opened in the knife head fixed passageway (101), the knife head fixed passageway (101) is detachably connected with knife head assembly (2), and the knife main body (201) of knife head assembly (2) at least part is from the bottom of the knife head fixed passageway (101) and goes out; The knife main body (201) includes a round blade (202) and a connecting shaft (203), and the round blade (202) is rotatably connected with the connecting shaft (203). The bottom of the knife head shell (1) is provided with a plurality of rolling cavities (102) on the side of the knife head fixed passageway (101), and the rolling cavities (102) are provided with rolling balls (103).
2. The knife head structure of a cutting machine according to claim 1, characterized in that: The rolling balls (103) are evenly distributed to support the knife head shell (1) to be stably placed when the knife head structure is not subjected to external force.
3. The knife head structure of a cutting machine according to claim 1, characterized in that: The rolling balls (103) are provided with three equilateral triangles.
4. The knife head structure of a cutting machine according to claim 1, characterized in that: The upper and lower surfaces of the two ends of the connecting shaft (203) are respectively provided with first limiting surfaces (104) and second limiting surfaces (105), the top of the knife head shell (1) and located on both sides of the knife head fixed passageway (101) are provided with mounting grooves (106), and the second limiting surfaces (105) contact the bottom surfaces of the mounting grooves (106).
5. The knife head structure of a cutting machine according to claim 4, characterized in that: The bottom surface of the mounting groove (106) is fixed with a positioning column (107), the second limiting surface (105) is upwardly provided with a positioning groove (108), and the bottom opening of the positioning groove (108) is trumpet-shaped (113).
6. The knife head structure of a cutting machine according to claim 5, characterized in that: Further comprising a limiting cover (109), the limiting cover (109) is provided with an adaptive groove (111), the adaptive groove (111) is provided with at least one spring (110), the spring (110) is in contact with the first limiting surface (104) and located outside the positioning column (107).
7. The knife head structure of a cutting machine according to claim 6, characterized in that: The limiting cover (109) and the knife head shell (1) are connected by fasteners.
8. The knife head structure of a cutting machine according to claim 1, characterized in that: The round blade (202) and the connecting shaft (203) are connected by a bearing (114).