Belt pulley dustproof cover groove forming cutter
By designing a pulley dust cover groove forming knife with a molding tool that can be replaced separately, the problem of damage to the molding tool head in the prior art requires overall replacement, and the effect of reducing the cost of use is achieved.
Patent Information
- Application Number
- CN202420597772.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-03-26
AI Technical Summary
When the cutting head of the existing pulley dust cover molding tool is damaged, it needs to be replaced as a whole, resulting in a higher cost of use.
A pulley dust cover groove forming knife is designed, using a separately replaceable molding head, which can achieve rapid replacement of the head through the combination of mounting frame and bolts.
By replacing the molded cutter head separately, material and maintenance costs are saved and the cost of molded cutters is reduced.
Smart Images
Figure CN222679557U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pulley dust cover, in particular to a pulley dust cover groove forming knife. Background Art
[0002] Pulleys are mainly used for long-distance power transmission, such as the output of small diesel engine power, agricultural vehicles, tractors, automobiles, mining machinery, mechanical processing equipment, textile machinery, packaging machinery, lathes, forging machines, some small horsepower motorcycle power transmission, agricultural machinery power transmission, air compressors, reducers, reducers, generators, cotton gins, etc. The dust content in the air of some workplaces is relatively high. In order to avoid affecting the normal cooperation between the pulley and the belt, a dust cover is usually installed to protect the pulley.
[0003] During the production process of the pulley dust cover, a forming tool needs to be used for slotting. The commonly used forming tool is a whole. When one of the cutter heads of the forming tool is damaged, the whole tool needs to be replaced, which has a high cost. Utility Model Content
[0004] The utility model aims to provide a pulley dust cover groove forming tool, which can replace the tool head of the forming tool used for grooving the pulley dust cover separately, save materials and reduce the use cost of the forming tool.
[0005] To achieve the above purpose, a pulley dust cover groove forming knife is provided, comprising: a mounting frame, an axial hole is provided in the middle of the upper end of the mounting frame, and the axial hole passes through the mounting frame, an axial hole is provided in the middle of the upper end of the mounting frame, and the axial hole passes through the mounting frame, three mounting grooves are provided at the side end of the mounting frame, a forming cutter head is provided at the side end of the mounting frame, and the forming cutter head extends into the mounting groove, a first screw hole is provided at the upper end of the mounting frame, and the first screw hole is located in the middle of the mounting groove and passes through the mounting frame, a bolt is provided in the first screw hole, and the bolt is threadedly connected with the first screw hole; the forming cutter head comprises a cutter body and a mounting block, and the cutter body is triangular, the mounting block is fixedly connected with the cutter body, and the mounting block is located in the mounting groove and is slidably connected with the side wall of the mounting groove, a second screw hole is provided in the middle of the upper end of the mounting groove, and the first screw hole is connected with the second screw hole, and the bolt passes through the second screw hole and is threadedly connected. The cutter head of the forming cutter used for slotting the pulley dust cover can be replaced separately, saving materials and reducing the use cost of the forming cutter.
[0006] According to the pulley dust cover groove forming tool, the upper end of the mounting frame is provided with a receiving groove, and the receiving groove extends into the mounting frame, the first screw hole is located in the middle of the receiving groove, the bolt is located in the receiving groove, and the upper end of the bolt is in the same plane as the upper end of the mounting frame. The surface of the forming tool is made flat to avoid affecting the groove of the dust cover.
[0007] According to the pulley dust cover groove forming cutter, the upper end of the cutter body is provided with a second chip removal groove, and the two ends of the second chip removal groove respectively penetrate the side ends of the cutter body, and the upper end of the mounting frame is provided with a first chip removal groove, and the first chip removal groove and the mounting groove are on the same side end, and the first chip removal groove is connected with the second chip removal groove, so as to discharge the cut metal debris and avoid reducing the slotting efficiency.
[0008] According to the pulley dust cover groove forming knife, the contact part between the knife body and the mounting block is provided with a chamfer, and the outer end of the mounting frame and the mounting groove are provided with a chamfer. The contact surface between the forming knife head and the mounting frame, and the contact surface between the knife body and the mounting block are increased, and the shear resistance of the forming knife head is improved.
[0009] According to the pulley dust cover groove forming knife, the material of the mounting frame and the forming knife head is the material of the common pulley forming knife, which is convenient for processing the forming knife and ensures the service life of the forming knife.
[0010] The beneficial effects of the utility model are as follows: by inserting the mounting block into the mounting groove and fixing it with bolts, the forming cutter head is installed in the mounting frame to be combined into a completed forming tool, so that the forming cutter head in the forming tool can be replaced individually, thereby reducing the use cost of the forming tool.
[0011] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0013] Figure 1 This is a three-dimensional structural diagram of a pulley dust cover groove forming knife of the utility model;
[0014] Figure 2 It is a three-dimensional structural diagram of a mounting frame of a pulley dust cover groove forming knife of the utility model;
[0015] Figure 3 The utility model is a three-dimensional structural diagram of a forming cutter head of a pulley dust cover groove forming cutter.
[0016] Legend:
[0017] 1. Forming cutter head; 2. Mounting frame; 3. Bolt; 4. First chip removal groove; 5. First screw hole; 6. Mounting groove; 7. Axis hole; 8. Accommodating groove; 9. Cutter body; 10. Mounting block; 11. Second chip removal groove; 12. Second screw hole. DETAILED DESCRIPTION
[0018] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0019] Reference Figure 1-3 The utility model embodiment is a pulley dust cover groove forming knife, which includes: a mounting frame 2, an axial hole 7 is opened in the middle of the upper end of the mounting frame 2, and the axial hole 7 passes through the mounting frame 2, three mounting grooves 6 are opened at the side end of the mounting frame 2, a forming cutter head 1 is arranged on the side end of the mounting frame 2, and the forming cutter head 1 extends into the mounting groove 6, a first screw hole 5 is opened at the upper end of the mounting frame 2, and the first screw hole 5 is located in the middle of the mounting groove 6 and passes through the mounting frame 2, a bolt 3 is arranged in the first screw hole 5, and the bolt 3 is threadedly connected with the first screw hole 5; the forming cutter head 1 includes a cutter body 9 and a mounting block 10, and the cutter body 9 is triangular, the mounting block 10 is fixedly connected to the cutter body 9, and the mounting block 10 is located in the mounting groove 6 and is slidably connected to the side wall of the mounting groove 6, a second screw hole 12 is opened in the middle of the upper end of the mounting groove 6, and the first screw hole 5 is connected with the second screw hole 12, and the bolt 3 passes through the second screw hole 12 and is threadedly connected.
[0020] The upper end of the mounting frame 2 is provided with a receiving groove 8, and the receiving groove 8 extends into the mounting frame 2, the first screw hole 5 is located in the middle of the receiving groove 8, the bolt 3 is located in the receiving groove 8, and the upper end of the bolt 3 is in the same plane as the upper end of the mounting frame 2.
[0021] A second chip groove 11 is provided at the upper end of the cutter body 9, and both ends of the second chip groove 11 pass through the side ends of the cutter body 9 respectively. A first chip groove 4 is provided at the upper end of the mounting frame 2, and the first chip groove 4 and the mounting groove 6 are on the same side end, and the first chip groove 4 is connected to the second chip groove 11.
[0022] The contact portion between the blade body 9 and the mounting block 10 is provided with a chamfer, and a chamfer is provided between the outer end of the mounting frame 2 and the mounting groove 6 .
[0023] The material of the mounting frame 2 and the forming cutter head 1 is the material of a common pulley forming cutter.
[0024] Working principle: When in use, the forming knife is installed on the machine tool through the shaft hole 7, and the forming cutter head 1 in the forming knife cuts and grooves the dust cover. When the knife body 9 of the forming cutter head 1 is damaged, unscrew the bolt 3 on the damaged forming cutter head 1, remove the forming cutter head 1 from the mounting frame 2, and replace it with a new forming cutter head 1, insert the mounting block 10 of the new forming cutter head 1 into the mounting groove 6 on the mounting frame 2, and finally use the bolt 3 to screw into the first screw hole 5 and the second screw hole 12 in turn to complete the installation of the forming cutter head 1.
[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A pulley dust cover groove forming knife, characterized in that: include: A mounting frame (2), wherein an axial hole (7) is provided at the middle of the upper end of the mounting frame (2), and the axial hole (7) passes through the mounting frame (2), three mounting grooves (6) are provided at the side end of the mounting frame (2), a forming cutter head (1) is provided at the side end of the mounting frame (2), and the forming cutter head (1) extends into the mounting groove (6), a first screw hole (5) is provided at the upper end of the mounting frame (2), and the first screw hole (5) is located in the middle of the mounting groove (6) and passes through the mounting frame (2), and a bolt (3) is provided in the first screw hole (5). ), and the bolt (3) is threadedly connected to the first screw hole (5); the forming cutter head (1) comprises a cutter body (9) and a mounting block (10), and the cutter body (9) is triangular, the mounting block (10) is fixedly connected to the cutter body (9), and the mounting block (10) is located in the mounting groove (6) and is slidably connected to the side wall of the mounting groove (6), a second screw hole (12) is opened in the middle of the upper end of the mounting groove (6), and the first screw hole (5) is connected to the second screw hole (12), and the bolt (3) passes through the second screw hole (12) and is threadedly connected.
2. A pulley dust cover groove forming knife according to claim 1, characterized in that: The upper end of the mounting frame (2) is provided with a receiving groove (8), and the receiving groove (8) extends into the mounting frame (2), the first screw hole (5) is located in the middle of the receiving groove (8), the bolt (3) is located in the receiving groove (8), and the upper end of the bolt (3) is in the same plane as the upper end of the mounting frame (2).
3. A pulley dust cover groove forming knife according to claim 1, characterized in that: The upper end of the cutter body (9) is provided with a second chip removal groove (11), and the two ends of the second chip removal groove (11) respectively penetrate the side ends of the cutter body (9); the upper end of the mounting frame (2) is provided with a first chip removal groove (4), and the first chip removal groove (4) and the mounting groove (6) are on the same side end, and the first chip removal groove (4) is connected to the second chip removal groove (11).
4. A pulley dust cover groove forming knife according to claim 1, characterized in that: A chamfer is provided at the contact portion between the blade body (9) and the mounting block (10), and a chamfer is provided between the outer end of the mounting frame (2) and the mounting groove (6).
5. A pulley dust cover groove forming knife according to claim 1, characterized in that: The material of the mounting frame (2) and the forming cutter head (1) is the material of a commonly used pulley forming cutter.