Rapier machine cutting knife polishing structure
By designing a servo motor-driven cutting knife grinding structure in the rapier machine, the problem of cutting knife becoming dull after long-term use is solved, convenient adjustment of cutting knife position and efficient polishing of the blade, and improved woven fabric Production of cutting quality.
Patent Information
- Application Number
- CN202420525110.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-19
AI Technical Summary
During the production process of woven fabrics, the cutting knife becomes dull after a long period of use, affecting the cutting quality and making it difficult to easily change the cutting position to keep the tool sharp.
A rapier cutting knife grinding structure is designed. The rotation of the second shaft and the sharpening plate is controlled by the servo motor, and the worm gear ratio and the bevel gear meshing are used to adjust the cutting position of the cutting knife and polish the edge.
With this structure, the cutting position of the cutting knife can be effectively changed, and the cutting quality can be improved by grinding the sharpening plate with fast angular speed.
Smart Images
Figure CN222493384U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rapier machines, in particular to a rapier machine cutting knife grinding structure. Background Art
[0002] When woven fabrics are produced, they are usually made by weaving warp and weft threads on a loom. During the weaving process, the sides of the fabrics often have burrs of weft threads. At this time, in order to ensure the quality of the fabric after production, the burrs on both sides of the fabrics are usually removed. The removal of burrs is usually done by cutting with a cutting knife. The cutting knife will become blunt after long-term use, affecting the cutting quality. Utility Model Content
[0003] In order to solve the above technical deficiencies, the utility model provides a rapier cutting knife grinding structure, which can conveniently change the cutting position of the cutting knife and grind the blade of the cutting knife.
[0004] The utility model discloses a rapier cutting knife grinding structure, comprising a frame, a No. 1 mounting seat is arranged on the frame, a No. 1 rotating shaft is rotatably arranged on the No. 1 mounting seat, the No. 1 rotating shaft is perpendicular to the conveying direction of the cloth, a circular cutting knife and a worm gear are coaxially arranged on the No. 1 rotating shaft, a No. 2 mounting seat is arranged on the frame, a No. 2 rotating shaft is rotatably arranged on the No. 2 mounting seat, the No. 2 rotating shaft is perpendicular to the No. 1 rotating shaft, a worm is coaxially arranged on the No. 2 rotating shaft, the worm is connected with the worm gear in driving connection, a servo motor is arranged on the No. 2 mounting seat, the servo motor is electrically connected with a controller, the servo motor is connected with the No. 2 rotating shaft in driving connection, the No. 2 mounting seat is close to the circular A No. 3 mounting seat is arranged on the side of the cutting knife, a mounting hole is arranged on the No. 3 mounting seat, a No. 3 rotating shaft is rotatably arranged in the mounting hole, the No. 3 rotating shaft and the mounting hole can slide, the No. 3 rotating shaft is parallel to the No. 1 rotating shaft, a grinding disc is coaxially arranged on the No. 3 rotating shaft, a thrust bearing is sleeved on the No. 3 rotating shaft between the grinding disc and the No. 3 mounting seat, a spring is sleeved on the No. 3 rotating shaft between the thrust bearing and the No. 3 mounting seat, the spring is compressed, the grinding disc is pressed against the blade of the circular cutting knife, a No. 1 bevel gear is arranged at the end of the No. 3 rotating shaft, a No. 2 bevel gear is arranged on the No. 2 rotating shaft, and the No. 1 bevel gear is meshed with the No. 2 bevel gear.
[0005] When the above technical solution is in use, the cloth is cut by the circular cutting knife. Each time a batch of cloth is processed and rolled up, the servo motor is controlled to rotate by the controller. The servo motor rotates the No. 2 rotating shaft and rotates the circular cutting knife at a slower angular velocity through the worm gear to change the cutting position of the circular cutting knife. At the same time, the No. 2 rotating shaft rotates through the No. 1 bevel gear and the No. 2 bevel gear to rotate the grinding disc at a faster angular velocity. The blade of the circular cutting knife is polished during the rotation of the grinding disc.
[0006] Preferably, the transmission ratio of the worm gear is 80, and the transmission ratio of the second bevel gear and the first bevel gear is 0.5. At this time, the angular velocity of the circular cutting knife and the angular velocity of the grinding disc are greatly different, and the grinding disc can effectively grind the blade of the circular cutting knife.
[0007] The utility model provides a rapier cutting knife grinding structure, which has the beneficial effect of slowly changing the cutting position of the circular cutting knife through the worm gear by controlling the rotation of the servo motor, and when slowly changing the cutting position of the circular cutting knife, the first bevel gear and the second bevel gear are used to make the grinding disc rotate at a faster angular speed to grind the blade of the circular cutting knife. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 This is a front view of Embodiment 1 of the present utility model;
[0009] Figure 2 It is a top view of embodiment 1 of the utility model. DETAILED DESCRIPTION
[0010] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.
[0011] Embodiment 1:
[0012] like Figure 1 , 2As shown, the utility model discloses a rapier cutting knife grinding structure, including a frame 1, a No. 1 mounting seat 5 is arranged on the frame 1, a No. 1 rotating shaft 4 is rotatably arranged on the No. 1 mounting seat 5, the No. 1 rotating shaft 4 is perpendicular to the conveying direction of the cloth, a circular cutting knife 3 and a worm wheel 6 are coaxially arranged on the No. 1 rotating shaft 4, a No. 2 mounting seat 2 is arranged on the frame 1, a No. 2 rotating shaft 7 is rotatably arranged on the No. 2 mounting seat 2, the No. 2 rotating shaft 7 is perpendicular to the No. 1 rotating shaft 4, a worm 8 is coaxially arranged on the No. 2 rotating shaft 7, the worm 8 is connected to the worm wheel 6 in driving connection, a servo motor 12 is arranged on the No. 2 mounting seat 2, the servo motor 12 is electrically connected to the controller, the servo motor 12 is connected to the No. 2 rotating shaft 7 in driving connection, and the No. 2 mounting seat 2 is close to the circular cutting knife 3 on the side thereof. A No. 3 mounting seat 11 is provided, and a mounting hole is provided on the No. 3 mounting seat 11. A No. 3 rotating shaft 16 is rotatably provided in the mounting hole, and the No. 3 rotating shaft 16 can slide between the No. 3 rotating shaft 16 and the mounting hole. The No. 3 rotating shaft 16 is parallel to the No. 1 rotating shaft 4. A sharpening disc 9 is coaxially provided on the No. 3 rotating shaft 16. A thrust bearing 14 is sleeved on the No. 3 rotating shaft 16 between the sharpening disc 9 and the No. 3 mounting seat 11. A spring 15 is sleeved on the No. 3 rotating shaft 16 between the thrust bearing 14 and the No. 3 mounting seat 11. The spring 15 is compressed, and the sharpening disc 9 is pressed against the blade of the circular cutting knife 3. A No. 1 bevel gear 10 is provided at the end of the No. 3 rotating shaft 16, and a No. 2 bevel gear 13 is provided on the No. 2 rotating shaft 7. The No. 1 bevel gear 10 is meshed with the No. 2 bevel gear 13.
[0013] When the above technical solution is in use, the circular cutting knife 3 is used to cut the cloth. Each time a batch of cloth is processed and rolled up, the servo motor 12 is controlled to rotate by the controller. The servo motor 12 rotates the No. 2 rotating shaft 7 and rotates the circular cutting knife 3 at a slower angular velocity through the worm gear 6 and the worm 8 to change the cutting position of the circular cutting knife 3. At the same time, the No. 2 rotating shaft 7 rotates through the No. 1 bevel gear 10 and the No. 2 bevel gear 13 to rotate the sharpening disc 9 at a faster angular velocity. During the rotation of the sharpening disc 9, the blade of the circular cutting knife 3 is sharpened.
[0014] Among them, the transmission ratio of the worm wheel 6 and the worm 8 is 80, and the transmission ratio of the second bevel gear 13 and the first bevel gear 10 is 0.5. At this time, the angular velocity of the circular cutting knife 3 and the angular velocity of the grinding disk 9 are greatly different, and the grinding disk 9 can effectively grind the blade of the circular cutting knife 3.
[0015] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0016] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be an interactive relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0017] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0018] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simplified modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.
Claims
1. A rapier cutting knife grinding structure, characterized in that: The invention comprises a frame (1), wherein a first mounting seat (5) is arranged on the frame (1), a first rotating shaft (4) is rotatably arranged on the first mounting seat (5), the first rotating shaft (4) is perpendicular to the conveying direction of the cloth, a circular cutting knife (3) and a worm gear (6) are coaxially arranged on the first rotating shaft (4), a second mounting seat (2) is arranged on the frame (1), a second rotating shaft (7) is rotatably arranged on the second mounting seat (2), the second rotating shaft (7) is perpendicular to the first rotating shaft (4), a worm gear (8) is coaxially arranged on the second rotating shaft (7), the worm gear (8) is drivingly connected to the worm gear (6), a servo motor (12) is arranged on the second mounting seat (2), the servo motor (12) is electrically connected to a controller, the servo motor (12) is drivingly connected to the second rotating shaft (7), and a third mounting seat (11) is arranged on the side of the second mounting seat (2) close to the circular cutting knife (3). ), a mounting hole is arranged on the third mounting seat (11), a third rotating shaft (16) is rotatably arranged in the mounting hole, the third rotating shaft (16) and the mounting hole are slidable, the third rotating shaft (16) is parallel to the first rotating shaft (4), a grinding disc (9) is coaxially arranged on the third rotating shaft (16), a thrust bearing (14) is sleeved on the third rotating shaft (16) between the grinding disc (9) and the third mounting seat (11), a spring (15) is sleeved on the third rotating shaft (16) between the thrust bearing (14) and the third mounting seat (11), the spring (15) is compressed, the grinding disc (9) is pressed against the blade of the circular cutting knife (3), a first bevel gear (10) is arranged at the end of the third rotating shaft (16), a second bevel gear (13) is arranged on the second rotating shaft (7), and the first bevel gear (10) and the second bevel gear (13) are meshed.
2. A rapier cutting knife grinding structure according to claim 1, characterized in that: The transmission ratio of the worm wheel (6) and the worm (8) is 80, and the transmission ratio of the second bevel gear (13) and the first bevel gear (10) is 0.5.