Circular saw blade machining and polishing equipment
By designing a circular saw blade processing and polishing equipment with automatic sandpaper replacement, the problem of frequent replacement of grinding heads in existing equipment is solved, efficient circular saw blade grinding is achieved, and the service life and processing efficiency of the equipment are improved.
Patent Information
- Application Number
- CN202422570415.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-10-24
AI Technical Summary
Existing circular saw blade processing and polishing equipment requires frequent replacement of the grinding head, resulting in poor processing efficiency.
A circular saw blade processing and polishing equipment is designed, which includes a base, a bracket, a rotating seat, a motor, a screw, a grinding mechanism and a lifting and clamping mechanism. The motor drives the screw and the slider to move, thereby realizing automatic replacement of sandpaper, and the connecting rod mechanism keeps the sandpaper tensioned and fixed to ensure the continuity of the grinding process.
It realizes the automatic grinding of circular saw blades, improves processing efficiency, reduces the frequency of manual replacement of sandpaper, and improves the service life of the equipment and processing effect.
Smart Images

Figure CN223313701U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of circular saw blade processing, in particular to a circular saw blade processing and polishing device. Background Art
[0002] A circular saw blade is a tool used for cutting materials. It is typically a round piece of metal with sharp teeth along its edge. They are widely used to cut materials such as wood, metal, and plastic, and are commonly found in various power tools, such as circular saws and table saws. Circular saw blade polishing equipment is a mechanical device specifically designed to perform surface treatment and polishing on circular saw blades. Its primary purpose is to improve the cutting performance, extend the lifespan, and enhance the appearance of circular saw blades. Polishing removes burrs generated during the cutting process, ensuring a smooth cut surface, enhancing the blade's sharpness, and improving its cutting efficiency. However, existing circular saw blade polishing equipment requires frequent replacement of the grinding head, resulting in poor processing efficiency. Summary of the Invention
[0003] The technical problem to be solved by the utility model is that the existing circular saw blade processing and polishing equipment needs to frequently replace the grinding head, resulting in poor processing efficiency.
[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a circular saw blade processing and polishing equipment, including a base and a pair of brackets, the upper surface of the base is rotatably connected to a rotating seat, a pair of sliding rods are fixedly connected between the upper ends of the pair of brackets, a first motor is fixedly connected to the outer side of the upper end of the bracket, a screw rod is fixedly connected to the output end of the first motor, a grinding mechanism is threaded through the screw rod, and the lower end of the grinding mechanism is fixedly connected to a lifting and clamping mechanism.
[0005] Through the above technical solution, the grinding mechanism can automatically replace the sandpaper.
[0006] The utility model is further configured as follows: a plurality of positioning blocks are fixedly connected to the rotating seat, a lifting rod is rotatably connected to the rotating seat, a circular saw blade is provided on the upper surface of the rotating seat, a third motor is fixedly connected in the base, and the output end of the third motor is fixedly connected to the rotating seat.
[0007] Through the above technical solution, the first motor drives the lead screw to rotate, and the lead screw drives the slider to move, thereby completing the grinding of the surface of the circular saw blade.
[0008] The utility model is further configured as follows: the grinding mechanism includes a slider that passes through a threaded connection screw, one side of the slider is fixedly connected to a pair of first fixing frames, one side of the first fixing frames is fixedly connected to a second motor, a winding roller is rotatably connected between the ends of the pair of first fixing frames away from the slider, and the output end of the second motor is fixedly connected to the winding roller.
[0009] Through the above technical solution, the second motor drives the winding roller to rotate, and the winding roller winds up the sandpaper, thereby moving the new sandpaper to the bottom of the push block.
[0010] The utility model is further configured such that a pair of second fixing frames are fixedly connected to one side of the slider away from the first fixing frame, a reeling roller is rotatably connected between one end of the pair of second fixing frames away from the slider, and a pair of telescopic rods are slidably connected through both sides of the slider.
[0011] Through the above technical solution, the sandpaper can be fixed on the unwinding roller and driven by the winding roller.
[0012] The utility model is further configured such that one end of a pair of telescopic rods away from the slider is fixedly connected to a fixed frame, an elastic roller is rotatably connected to the fixed frame, a tension spring is fixedly connected to the side of the fixed frame close to the telescopic rod, and the end of the tension spring away from the fixed frame is fixedly connected to the slider.
[0013] Through the above technical solution, the tension spring pulls the fixed frame, so that the fixed frame drives the tension roller to move along the direction of the telescopic rod, so that the sandpaper is always kept in a tensioned state.
[0014] The utility model is further configured as follows: the lifting and clamping mechanism includes a hydraulic rod fixedly connected to both sides of the slider, the output ends of the hydraulic rods are fixedly connected to a movable block, the lower end of the movable block is fixedly connected to a push block, the hydraulic rod is fixedly connected to a fixed block, the fixed block is rotatably connected to a fourth connecting rod, the end of the fourth connecting rod away from the fixed block is rotatably connected to the third connecting rod, the end of the third connecting rod away from the fourth connecting rod is rotatably connected to the second connecting rod, and the end of the second connecting rod close to the third connecting rod is rotatably connected to the movable block.
[0015] Through the above technical solution, the hydraulic rod pushes the movable block downward, and the movable block drives the push block to move downward. At this time, the movable block drives the third connecting rod and the fourth connecting rod to move. Due to the restrictions of the first connecting rod and the second connecting rod, the first clamping roller and the second clamping roller move inward and press the sandpaper tightly and fix it on the slider.
[0016] The present invention is further configured such that one end of the second connecting rod away from the movable block is rotatably connected to the first connecting rod, and one end of the first connecting rod away from the second connecting rod is rotatably connected to the fixed block.
[0017] Through the above technical solution, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod can form a quadrilateral mechanism.
[0018] The utility model is further configured such that a first pressure roller is rotatably connected to the connection between the first connecting rod and the second connecting rod, a second pressure roller is rotatably connected to the connection between the fourth connecting rod and the third connecting rod, and sandpaper is sheathed on the outside of the winding roller, unwinding roller, tension roller and push block.
[0019] Through the above technical solution, the first pressing roller and the second pressing roller move inward and press the sandpaper to fix it on the slider, thereby preventing the sandpaper from shifting during grinding.
[0020] The beneficial effects of the utility model are as follows:
[0021] The utility model places the circular saw blade into the rotating seat, drives the circular saw blade to rotate by the third motor, then extends the hydraulic rod to drive the push block to move downward, the movable block drives the third connecting rod and the fourth connecting rod away from the fixed block, so that the first pressing roller and the second pressing roller are moved inward, the sandpaper is squeezed and fixed on both sides of the slider, so that the sandpaper under the push block is fixed, and the push block pushes the sandpaper to grind the circular saw blade, and then the first motor drives the lead screw to rotate, and the lead screw drives the slider to move, so that the circular saw blade is fully polished. After a period of use, the hydraulic rod is shortened, so that the first pressing roller and the second pressing roller release the sandpaper, and the second motor drives the winding roller to rotate, thereby driving the sandpaper to move, and moving the new sandpaper to the bottom of the push block. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a first-perspective structural diagram of the utility model;
[0023] Figure 2 This is a diagram of the internal structure of the base of the utility model;
[0024] Figure 3 This is a structural diagram of the grinding mechanism of the present utility model;
[0025] Figure 4 This is a three-dimensional structural diagram of the base of the present utility model.
[0026] In the figure: 1. base; 2. bracket; 3. first motor; 4. slide rod; 5. screw rod; 6. grinding mechanism; 61. slider; 62. first fixed frame; 63. winding roller; 64. second motor; 65. second fixed frame; 66. unwinding roller; 67. sandpaper; 68. telescopic rod; 69. fixed frame; 610. tension roller; 611. tension spring; 7. lifting and clamping mechanism; 71. hydraulic rod; 72. fixed block; 73. first connecting rod; 74. second connecting rod; 75. movable block; 76. third connecting rod; 77. fourth connecting rod; 78. push block; 79. first pinch roller; 710. second pinch roller; 8. rotating seat; 9. lifting rod; 10. positioning block; 11. circular saw blade; 12. third motor. DETAILED DESCRIPTION
[0027] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.
[0028] See also Figures 1-4 A circular saw blade processing and polishing equipment includes a base 1 and a pair of brackets 2. The upper surface of the base 1 is rotatably connected to a rotating seat 8. A pair of sliding rods 4 are fixedly connected between the upper ends of the pair of brackets 2. A first motor 3 is fixedly connected to the outer side of the upper end of the bracket 2. The output end of the first motor 3 is fixedly connected to a screw rod 5. A grinding mechanism 6 is threaded through the screw rod 5. The lower end of the grinding mechanism 6 is fixedly connected to a lifting and clamping mechanism 7. The first motor 3 drives the screw rod 5 to rotate, and the screw rod 5 drives the slider 61 to move, so that the surface of the circular saw blade 11 is polished.
[0029] The grinding mechanism 6 includes a slider 61 that passes through the threaded connection screw 5, and a pair of first fixed frames 62 are fixedly connected to one side of the slider 61, and a second motor 64 is fixedly connected to one side of the first fixed frame 62. A winding roller 63 is rotatably connected between the ends of the pair of first fixed frames 62 away from the slider 61, and the output end of the second motor 64 is fixedly connected to the winding roller 63. A pair of second fixed frames 65 are fixedly connected to the one side of the slider 61 away from the first fixed frame 62, and a unwinding roller 66 is rotatably connected between the ends of the pair of second fixed frames 65 away from the slider 61. A pair of telescopic rods 68 are slidably connected on both sides of the slider 61. A fixed frame 69 is fixedly connected to the end of the telescopic rod 68 away from the slider 61, and a tension roller 610 is rotatably connected to the fixed frame 69. A tension spring 611 is fixedly connected to the side of the fixed frame 69 close to the telescopic rod 68, and the end of the tension spring 611 away from the fixed frame 69 is fixedly connected to the slider 61. The second motor 64 drives the winding roller 63 to rotate, and the winding roller 63 rewinds the sandpaper 67, thereby moving the new sandpaper 67 to the bottom of the push block 78. During the whole process, the tension spring 611 pulls the fixed frame 69, so that the fixed frame 69 drives the tension roller 610 to move along the direction of the telescopic rod 68, so that the sandpaper 67 is always kept in a tensioned state.
[0030] The lifting and clamping mechanism 7 includes a hydraulic rod 71 fixedly connected to both sides of the slider 61, the output ends of the hydraulic rod 71 are fixedly connected to a movable block 75, the lower end of the movable block 75 is fixedly connected to a push block 78, the hydraulic rod 71 is fixedly connected to a fixed block 72, the fixed block 72 is rotatably connected to a fourth connecting rod 77, the end of the fourth connecting rod 77 away from the fixed block 72 is rotatably connected to the third connecting rod 76, the end of the third connecting rod 76 away from the fourth connecting rod 77 is rotatably connected to the second connecting rod 74, the end of the second connecting rod 74 close to the third connecting rod 76 is rotatably connected to the movable block 75, and the second connecting rod 74 is away from the fixed block 72. One end of the movable block 75 is rotatably connected to the first connecting rod 73, and the end of the first connecting rod 73 away from the second connecting rod 74 is rotatably connected to the fixed block 72. The hydraulic rod 71 pushes the movable block 75 downward, and the movable block 75 drives the push block 78 to move downward. At this time, the movable block 75 drives the third connecting rod 76 and the fourth connecting rod 77 to move. Due to the restrictions of the first connecting rod 73 and the second connecting rod 74, the first clamping roller 79 and the second clamping roller 710 move inward and press the sandpaper 67 to be fixed on the slider 61. At this time, the push block 78 presses the sandpaper 67 below onto the rotating circular saw blade 11 for grinding and polishing.
[0031] The first connecting rod 73 and the second connecting rod 74 are rotatably connected to the first clamping roller 79, and the fourth connecting rod 77 and the third connecting rod 76 are rotatably connected to the second clamping roller 710. The winding roller 63, the unwinding roller 66, the tension roller 610 and the push block 78 are all covered with sandpaper 67.
[0032] Several positioning blocks 10 are fixedly connected to the rotating seat 8, a lifting rod 9 is rotatably connected to the rotating seat 8, a circular saw blade 11 is provided on the upper surface of the rotating seat 8, a third motor 12 is fixedly connected to the base 1, and the output end of the third motor 12 is fixedly connected to the rotating seat 8, and the third motor 12 drives the rotating seat 8 to rotate.
[0033] When the present invention is in use, the circular saw blade 11 is placed on the rotating seat 8 so that the positioning block 10 is stuck in the hole on the circular saw blade 11, and then the third motor 12 is started, and the third motor 12 drives the rotating seat 8 to rotate, at this time the hydraulic rod 71 pushes the movable block 75 downward, and the movable block 75 drives the push block 78 to move downward, and at this time the movable block 75 drives the third connecting rod 76 and the fourth connecting rod 77 to move, due to the restrictions of the first connecting rod 73 and the second connecting rod 74, the first pressing roller 79 and the second pressing roller 710 move inward and press the sandpaper 67 to be fixed on the slider 61, and at this time the push block 78 presses the sandpaper 67 below onto the rotating circular saw blade 11 for grinding and polishing, and then the first motor 3 drives the screw rod 5 to rotate, and the screw rod 5 drives the slider 61 to move, and the surface of the circular saw blade 11 is completely polished;
[0034] After the sanding is completed, the hydraulic rod 71 contracts, causing the push block 78 to move upward, and the second motor 64 drives the winding roller 63 to rotate, and the winding roller 63 winds up the sandpaper 67, thereby moving the new sandpaper 67 to the bottom of the push block 78. During the whole process, the tension spring 611 pulls the fixed frame 69, causing the fixed frame 69 to drive the tension roller 610 to move along the direction of the telescopic rod 68, so that the sandpaper 67 is always kept in a tensioned state.
[0035] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A circular saw blade processing and polishing device, comprising a base (1) and a pair of brackets (2), characterized in that: The upper surface of the base (1) is rotatably connected to a rotating seat (8), a pair of sliding rods (4) are fixedly connected between the upper ends of a pair of the brackets (2), a first motor (3) is fixedly connected to the outer side of the upper end of the bracket (2), an output end of the first motor (3) is fixedly connected to a screw rod (5), a grinding mechanism (6) is threadedly connected to the screw rod (5), and a lifting clamping mechanism (7) is fixedly connected to the lower end of the grinding mechanism (6).
2. The circular saw blade processing and polishing device according to claim 1, characterized in that: A plurality of positioning blocks (10) are fixedly connected to the rotating seat (8), a lifting rod (9) is rotatably connected to the rotating seat (8), a circular saw blade (11) is provided on the upper surface of the rotating seat (8), a third motor (12) is fixedly connected inside the base (1), and an output end of the third motor (12) is fixedly connected to the rotating seat (8).
3. The circular saw blade processing and polishing device according to claim 1, characterized in that: The grinding mechanism (6) comprises a slider (61) passing through a threaded screw rod (5), one side of the slider (61) is fixedly connected to a pair of first fixing frames (62), one side of the first fixing frames (62) is fixedly connected to a second motor (64), a winding roller (63) is rotatably connected between the ends of the pair of first fixing frames (62) away from the slider (61), and an output end of the second motor (64) is fixedly connected to the winding roller (63).
4. The circular saw blade processing and polishing device according to claim 3, characterized in that: A pair of second fixing frames (65) are fixedly connected to one side of the slider (61) away from the first fixing frame (62), and a reeling roller (66) is rotatably connected between one end of the pair of second fixing frames (65) away from the slider (61). A pair of telescopic rods (68) are slidably connected to both sides of the slider (61).
5. The circular saw blade processing and polishing device according to claim 4, characterized in that: One end of the pair of telescopic rods (68) away from the slider (61) is fixedly connected to a fixed frame (69), and an elastic roller (610) is rotatably connected to the fixed frame (69). A tension spring (611) is fixedly connected to a side of the fixed frame (69) close to the telescopic rod (68), and one end of the tension spring (611) away from the fixed frame (69) is fixedly connected to the slider (61).
6. The circular saw blade processing and polishing device according to claim 5, characterized in that: The lifting and clamping mechanism (7) includes a hydraulic rod (71) fixedly connected to both sides of the slider (61), the output ends of the hydraulic rod (71) are fixedly connected to a movable block (75), the lower end of the movable block (75) is fixedly connected to a push block (78), the hydraulic rod (71) is fixedly connected to a fixed block (72), the fixed block (72) is rotatably connected to a fourth connecting rod (77), the end of the fourth connecting rod (77) away from the fixed block (72) is rotatably connected to a third connecting rod (76), the end of the third connecting rod (76) away from the fourth connecting rod (77) is rotatably connected to a second connecting rod (74), and the end of the second connecting rod (74) close to the third connecting rod (76) is rotatably connected to the movable block (75).
7. The circular saw blade processing and polishing device according to claim 6, characterized in that: One end of the second connecting rod (74) away from the movable block (75) is rotatably connected to the first connecting rod (73), and one end of the first connecting rod (73) away from the second connecting rod (74) is rotatably connected to the fixed block (72).
8. The circular saw blade processing and polishing device according to claim 7, characterized in that: A first pressing roller (79) is rotatably connected to the connection point between the first connecting rod (73) and the second connecting rod (74), a second pressing roller (710) is rotatably connected to the connection point between the fourth connecting rod (77) and the third connecting rod (76), and the winding roller (63), the unwinding roller (66), the tension roller (610) and the push block (78) are all covered with sandpaper (67).