Cutting tool convenient to replace

Abstract

The utility model discloses a cutting tool convenient to replace, which belongs to the technical field of cutting tools and comprises a mounting seat, an elastic frame used for extrusion is mounted on the inner side of the mounting seat, four extrusion parts which are circumferentially arranged are mounted on the inner side of the elastic frame, a base plate is connected to the bottom of the elastic frame, a taking-out through hole is formed in the bottom of the mounting seat, and the bottom of the mounting seat is connected with the base plate. Fixing grooves are formed in the bottom of the mounting base and located on the two sides of the taking-out through hole correspondingly, a cutter piece used for cutting is mounted on the inner side of the mounting base, the elastic frame downwards extrudes the cutter piece through the base plate, and the cutter piece drives the fixing columns at the bottom of the mounting plate to be embedded into the fixing grooves in the bottom of the mounting base. The problems that when an existing device is used for replacing a cutting tool, the mounting and fixing structure is single, the tool cannot be mounted and fixed multiple times, the tool is prone to loosening or disengaging, the tool is inconvenient to replace, the tool is inconvenient to replace after being abraded or broken, and the convenience and practicability of device replacement and tool mounting are affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting tools, in particular to a cutting tool which is easy to replace. Background Art

[0002] In the process of metal processing, cutting tools are needed. In the prior art, cutting tools are diverse and of different shapes, including sheet tools and columnar tools. During the cutting process of columnar tools, the surface of the cutting tools is prone to wear, and the worn tools are not effective in the cutting process. Existing equipment usually uses a single structure for installation and fixation when replacing cutting tools, and the stability of the fixed cutting tools is low.

[0003] The existing equipment has a relatively simple installation and fixing structure for replacing cutting tools, and is not capable of multiple installation and fixing of the tools, which can easily cause the tools to loosen or detach, making it inconvenient to replace the tools. As a result, the tools are difficult to replace after they are worn or broken, affecting the convenience and practicality of replacing and installing the tools in the equipment. Therefore, technical personnel in this field have provided a cutting tool that is easy to replace to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a cutting tool that is easy to replace, so as to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a cutting tool that is easy to replace, comprising a mounting seat, an elastic frame for extrusion is installed inside the mounting seat, four extrusion pieces arranged in a circumference are installed inside the elastic frame, and a pad is connected to the bottom of the elastic frame;

[0006] A take-out hole is provided at the bottom of the mounting seat, and fixing grooves are provided at the bottom of the mounting seat and on both sides of the take-out hole. A tool part for cutting is installed on the inner side of the mounting seat, and mounting plates are connected to the top two sides of the tool part respectively, and fixing columns are installed at the bottom of the mounting plate, and locking components for fixing are installed on both sides of the mounting seat respectively.

[0007] Preferably: the locking assembly includes movable cavities respectively opened on both sides of the mounting seat, screws are respectively installed on both sides of the mounting seat and through the movable cavities, a movable plate for driving is installed on the outside of the screw and inside the movable cavity, the screw penetrates the movable plate and is threadedly connected to the movable plate, the movable plate is slidably connected to the movable cavity, and the screw is rotatably connected to the mounting seat.

[0008] Preferably, the locking assembly further comprises a locking rod installed on one side of the movable plate for fixing, a locking groove is provided on the other side of the fixing column, and the locking rod is movably connected to the locking groove.

[0009] Preferably, a positioning groove for positioning is provided on the top of the tool piece, a positioning column for positioning is connected to the bottom of the pad, and the positioning column is movably connected to the positioning groove.

[0010] Preferably: the extrusion member includes four fixing frames arranged circumferentially on the top of the inner side of the elastic frame, a guide rod is installed on the top of the inner side of the fixing frame, a spring for extrusion is sleeved on the outer side of the guide rod, an extrusion rod is connected to the inner side of the fixing frame and located at one end of the spring, and the extrusion rod is slidably connected to the fixing frame and does not detach.

[0011] Preferably, four guide blocks for guiding are arranged circumferentially on the outer side of the pad, four guide grooves arranged circumferentially are formed on the inner side wall of the mounting seat, and the guide blocks are slidably connected to the guide grooves.

[0012] Preferably, a plurality of evenly arranged anti-skid grooves are provided on the outer side of the tool piece, and a fixing ring for pushing is provided on the outer side of the tool piece and above the anti-skid grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, by arranging an elastic frame, a mounting plate and a fixing column, the mounting plates on both sides of the tool part are put into the mounting seat through the removal through holes, the tool part squeezes the elastic frame on the top of the pad in the mounting seat, so that the tool part drives the mounting plate to rotate in the mounting seat, the squeezing part squeezes the elastic frame downward, and then the elastic frame squeezes the tool part downward through the pad, and the tool part drives the fixing column at the bottom of the mounting plate to be embedded in the fixing groove at the bottom of the mounting seat, so that the two fixing columns limit and fix the tool part through the mounting plate, thereby improving the convenience of removing and removing the tool part.

[0015] 2. In the utility model, a screw rod, a movable plate and a locking rod are provided, and the screw rod is used to drive the movable plate to slide in the movable cavity, and then the movable plate drives the locking rod to be inserted into the locking groove on one side of the fixed column, so that the locking rod locks and fixes the tool part again through the fixed column, thereby improving the stability of the installed tool part and preventing the tool part from loosening or shifting.

[0016] 3. In the utility model, by providing positioning posts and positioning grooves, the tool piece is inserted into the mounting seat and is in close contact with the pad, and the positioning posts at the bottom of the pad are inserted into the positioning grooves at the top of the tool piece, so that the positioning posts can position the tool piece and improve the stability of the tool piece installed and fixed in the mounting seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 It is a front cutaway stereoscopic view of the overall structure of the utility model;

[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 5 The overall structure of the utility model Figure 3 Enlarged view of point B in the middle;

[0022] Figure 6 It is a front cross-sectional schematic diagram of the mounting seat, the removal through hole and the fixing groove in the overall structure of the utility model;

[0023] Figure 7 It is a structural schematic diagram of the tool component, the mounting plate, the fixing column, the locking groove, the anti-slip groove and the fixing ring in the overall structure of the utility model.

[0024] In the figure: 1. mounting seat; 2. elastic frame; 3. extrusion member; 4. pad; 5. removal hole; 6. fixing groove; 7. tool member; 8. mounting plate; 9. fixing column; 10. movable cavity; 11. screw rod; 12. movable plate; 13. locking rod; 14. locking groove; 15. positioning groove; 16. positioning column; 17. fixing frame; 18. guide rod; 19. spring; 20. extrusion rod; 21. guide block; 22. guide groove; 23. anti-skid groove; 24. fixing ring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 to Figure 7 In the embodiment of the utility model, a cutting tool that is easy to replace includes a mounting seat 1, an elastic frame 2 for extrusion is installed on the inner side of the mounting seat 1, four extrusion members 3 arranged in a circle are installed on the inner side of the elastic frame 2, a pad 4 is connected to the bottom of the elastic frame 2, a removal through hole 5 is opened at the bottom of the mounting seat 1, and fixing grooves 6 are respectively opened at the bottom of the mounting seat 1 and located on both sides of the removal through hole 5, a tool member 7 for cutting is installed on the inner side of the mounting seat 1, mounting plates 8 are respectively connected to the two sides of the top of the tool member 7, a fixing column 9 is installed at the bottom of the mounting plate 8, and locking components for fixing are respectively installed on both sides of the mounting seat 1.

[0027] When in use, the mounting plates 8 on both sides of the tool piece 7 are put into the mounting seat 1 through the removal through holes 5, and the tool piece 7 squeezes the elastic frame 2 on the top of the pad 4 in the mounting seat 1, so that the tool piece 7 drives the mounting plate 8 to rotate in the mounting seat 1, and the extrusion piece 3 squeezes the elastic frame 2 downward, and then the elastic frame 2 squeezes the tool piece 7 downward through the pad 4, and the tool piece 7 drives the fixing column 9 at the bottom of the mounting plate 8 to be embedded in the fixing groove 6 at the bottom of the mounting seat 1, so that the two fixing columns 9 limit and fix the tool piece 7 through the mounting plate 8, thereby improving the convenience of removing and removing the tool piece 7.

[0028] In one embodiment, specifically, the locking assembly includes movable cavities 10 respectively opened on both sides of the mounting seat 1, screws 11 are respectively installed on both sides of the mounting seat 1 and through the movable cavities 10, a movable plate 12 for driving is installed on the outside of the screw 11 and inside the movable cavity 10, the locking assembly also includes a locking rod 13 installed on one side of the movable plate 12 for fixing, a locking groove 14 is opened on the other side of the fixing column 9, the locking rod 13 is movably connected to the locking groove 14, the screw 11 passes through the movable plate 12 and is threadedly connected thereto, the movable plate 12 is slidably connected to the movable cavity 10, and the screw 11 is rotatably connected to the mounting seat 1.

[0029] Among them, the screw rod 11 is used to drive the movable plate 12 to slide in the movable cavity 10, and then the movable plate 12 drives the locking rod 13 to insert into the locking groove 14 on one side of the fixed column 9, so that the locking rod 13 locks and fixes the tool part 7 again through the fixed column 9, thereby improving the stability of the installation of the tool part 7 and preventing the tool part 7 from loosening or offsetting.

[0030] Furthermore, a positioning groove 15 for positioning is provided on the top of the tool component 7, and a positioning column 16 for positioning is connected to the bottom of the pad 4. The positioning column 16 is movably connected to the positioning groove 15. The tool component 7 is inserted into the mounting seat 1 and is in close contact with the pad 4. The positioning column 16 at the bottom of the pad 4 is inserted into the positioning groove 15 at the top of the tool component 7, so that the positioning column 16 positions the tool component 7, thereby improving the stability of the tool component 7 installed and fixed in the mounting seat 1.

[0031] In one embodiment, specifically, the extrusion member 3 includes four fixing frames 17 arranged circumferentially on the top inner side of the elastic frame 2, a guide rod 18 is installed on the top inner side of the fixing frame 17, a spring 19 for extrusion is sleeved on the outer side of the guide rod 18, an extrusion rod 20 is connected to the inner side of the fixing frame 17 and located at one end of the spring 19, the extrusion rod 20 is slidably connected to the fixing frame 17 and does not detach, the guide rod 18 in the fixing frame 17 can guide the spring 19, and the spring 19 can squeeze the extrusion rod 20 downward, so that multiple extrusion rods 20 support and extrude the elastic frame 2.

[0032] Among them, four guide blocks 21 for guiding are arranged circumferentially on the outer side of the pad 4, and four guide grooves 22 are arranged circumferentially on the inner wall of the mounting seat 1. The guide blocks 21 are slidably connected with the guide grooves 22. The four guide blocks 21 can guide and limit the pad 4 to prevent the pad 4 from rotating, thereby improving the stability of the pad 4 sliding up and down in the mounting seat 1.

[0033] Furthermore, a plurality of evenly arranged anti-skid grooves 23 are provided on the outside of the tool part 7, and a fixed ring 24 for pushing is provided on the outside of the tool part 7 and above the anti-skid grooves 23. The plurality of anti-skid grooves 23 can improve the anti-skid property of the tool part 7 when it is held and pushed upward, and the fixed ring 24 can facilitate the operator to drive the tool part 7 to move upward, thereby improving the convenience of disassembling and installing the tool part 7.

[0034] The working principle of this utility model:

[0035] First, the tool piece 7 is held by the anti-slip groove 23, and then the fixing ring 24 drives the tool piece 7 to squeeze the elastic frame 2 upward, and at the same time, the elastic frame 2 drives the pad 4 to slide in the mounting seat 1, so that the mounting plates 8 on both sides of the tool piece 7 are put into the mounting seat 1 through the removal through hole 5. At this time, the positioning column 16 at the bottom of the pad 4 is inserted into the positioning groove 15 at the top of the tool piece 7, and then the tool piece 7 drives the mounting plate 8 to rotate in the mounting seat 1, and then the tool piece 7 is slowly released. At this time, the spring 19 in the fixing frame 17 squeezes the squeezing rod 20 downward, and at the same time, multiple squeezing rods 20 support the elastic frame 2. The support is extruded, and then the elastic frame 2 squeezes the tool part 7 downward through the pad 4. At this time, the pad 4 drives multiple guide blocks 21 to slide in the guide groove 22. At the same time, the tool part 7 drives the fixed column 9 at the bottom of the mounting plate 8 to embed into the fixed groove 6 at the bottom of the mounting seat 1. At this time, the two fixed columns 9 limit and fix the tool part 7 through the mounting plate 8, and then the screw 11 drives the moving plate 12 to slide in the active cavity 10, and then the moving plate 12 drives the locking rod 13 to insert into the locking groove 14 on one side of the fixed column 9. At this time, the locking rod 13 locks and fixes the tool part 7 again through the fixed column 9.

[0036] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A cutting tool that is easy to replace, comprising a mounting seat (1), Features: An elastic frame (2) for extrusion is installed on the inner side of the mounting seat (1), four extrusion members (3) arranged in a circumference are installed on the inner side of the elastic frame (2), and a pad (4) is connected to the bottom of the elastic frame (2); The bottom of the mounting seat (1) is provided with a take-out through hole (5), the bottom of the mounting seat (1) and on both sides of the take-out through hole (5) are provided with fixing grooves (6), a tool part (7) for cutting is installed inside the mounting seat (1), the top of the tool part (7) is connected to mounting plates (8) on both sides, a fixing column (9) is installed at the bottom of the mounting plate (8), and locking components for fixing are installed on both sides of the mounting seat (1).

2. A cutting tool that is easily replaceable according to claim 1, Features: The locking assembly comprises movable cavities (10) respectively opened on both sides of the mounting seat (1), screw rods (11) are respectively installed on both sides of the mounting seat (1) and passing through the movable cavities (10), a movable plate (12) for driving is installed outside the screw rods (11) and inside the movable cavity (10), the screw rods (11) pass through the movable plate (12) and are screwed thereto, the movable plate (12) is slidably connected to the movable cavity (10), and the screw rods (11) are rotationally connected to the mounting seat (1).

3. A cutting tool that is easily replaceable according to claim 2, Features: The locking assembly also includes a locking rod (13) installed on one side of the movable plate (12) for fixing, and a locking groove (14) is provided on the other side of the fixing column (9), and the locking rod (13) is movably connected to the locking groove (14).

4. A cutting tool that is easily replaceable according to claim 1, Features: A positioning groove (15) for positioning is provided on the top of the tool piece (7), and a positioning column (16) for positioning is connected to the bottom of the pad (4), and the positioning column (16) is movably connected to the positioning groove (15).

5. A cutting tool that is easily replaceable according to claim 1, Features: The extrusion member (3) comprises four fixing frames (17) arranged in a circumferential manner on the top of the inner side of the elastic frame (2); a guide rod (18) is installed on the top of the inner side of the fixing frame (17); a spring (19) for extrusion is sleeved on the outer side of the guide rod (18); an extrusion rod (20) is connected to the inner side of the fixing frame (17) and located at one end of the spring (19); the extrusion rod (20) is slidably connected to the fixing frame (17) and does not separate.

6. A cutting tool that is easily replaceable according to claim 1, Features: Four guide blocks (21) for guiding are arranged circumferentially on the outer side of the pad (4), and four guide grooves (22) arranged circumferentially are opened on the inner side wall of the mounting seat (1), and the guide blocks (21) are slidably connected to the guide grooves (22).

7. A cutting tool that is easily replaceable according to claim 1, Features: The outer side of the tool piece (7) is provided with a plurality of evenly arranged anti-skid grooves (23), and a fixed ring (24) for pushing is sleeved on the outer side of the tool piece (7) and located above the anti-skid grooves (23).

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