Milling cutter convenient to replace

Abstract

The milling cutter convenient to replace comprises a mounting base and a milling cutter body, the outer wall of the mounting base is fixedly connected with a connecting block, an adjusting cavity is formed in the mounting base, the inner wall of the adjusting cavity is connected with a moving block in a sliding mode, the inner wall of the moving block is provided with a positioning mechanism, the outer wall of the milling cutter body is provided with a positioning groove, and the inner wall of the positioning groove is provided with a clamping groove. A slot is formed in the outer wall of the positioning groove, a mounting groove is formed in the moving block, a limiting rod is moved, the limiting rod moves in the sliding rail and drives a first spring to stretch, at the moment, the limiting rod is located in the limiting groove and is separated from the outer wall of the fixed block, a sliding block is moved upwards, and the sliding block moves in the sliding groove; and the sliding block drives the positioning block to move in the movable cavity through the connecting arm, the positioning block drives the inserting block to be separated from the interior of the inserting groove, at the moment, the milling cutter is separated from limiting, the milling cutter can be detached and replaced, and rapid replacement of the milling cutter is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a milling cutter which is easy to replace. Background Art

[0002] A milling cutter is a rotating tool used for milling. It has one or more teeth. It rotates to bring the cutting blade into contact with the workpiece and cuts off unnecessary material on the surface of the workpiece, thereby processing the workpiece.

[0003] Publication number CN219074489U discloses a milling cutter that is easy to replace and prevents it from falling off, including a milling cutter, which includes a milling cutter body, a mounting rod, a fixing bolt, a mounting opening, a slide groove, a base, a sliding bar, a shaft rod, and a fixing opening. The top surface of the milling cutter body is provided with a mounting rod, the two sides of the milling cutter body are provided with fixing bolts, the bottom surface of the milling cutter body is provided with a mounting opening, the inner cavity of the mounting opening is provided with a slide groove, the side of the base is provided with a sliding bar, the bottom surface of the base is provided with a milling cutter opening, and the two sides of the base are provided with fixing openings. The milling cutter that is easy to replace and prevents it from falling off can facilitate the insertion of the base into the mounting opening through the arrangement of the slide groove, and can stably slide the base into the mounting opening through the sliding bars on both sides, facilitating subsequent fixed installation of the base. When the base slides to the top of the mounting opening, it can be fixedly installed in the mounting opening by the fixing bolts on the outer wall of the milling cutter body, achieving the effect of easy replacement.

[0004] In the above technical solution, the milling cutter is mainly connected to the milling cutter table by fixing bolts. After the milling cutter is used for a long time or replaced many times, the threads at the connection are easy to wear, and the bolts used for connection are easy to loosen, which can easily cause the milling cutter to separate from the tool holder. Utility Model Content

[0005] The purpose of the present invention is to provide a milling cutter that is easy to replace, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a milling cutter that is easy to replace, comprising a mounting seat and a milling cutter, the outer wall of the mounting seat is fixedly connected to a connecting block, an adjustment cavity is provided inside the mounting seat, a moving block is slidably connected to the inner wall of the adjusting cavity, a positioning mechanism is provided on the inner wall of the moving block, a positioning groove is provided on the outer wall of the milling cutter, a slot is provided on the outer wall of the positioning groove, a mounting groove is provided inside the moving block, and a movable cavity is provided on the inner wall of the mounting groove.

[0007] As a further preferred embodiment of the present technical solution, a sliding groove is provided on the outer wall of the moving block, a slider is slidably connected to the inner wall of the sliding groove, and one end of the slider located inside the movable cavity is hingedly connected to a connecting arm.

[0008] As a further preferred embodiment of the present technical solution, the inner wall of the movable cavity is slidably connected to a positioning block, the end of the connecting arm away from the slider is hingedly connected to the outer wall of the positioning block, and the end of the positioning block away from the connecting arm is fixedly connected to an insertion block.

[0009] As a further preferred embodiment of the present technical solution, the outer wall of the movable block is fixedly connected to a fixed block, the inner wall of the fixed block is provided with a limiting groove, the bottom end of the slider is provided with a slide rail, the inner wall of the slide rail is slidably connected to a limiting rod, and the outer wall of the limiting rod is fixedly connected to a spring 1.

[0010] As a further preferred embodiment of the present technical solution, an adjustment mechanism is provided inside the mounting seat, and a fixing plate is fixedly connected to the outer wall of the mounting seat.

[0011] As a further preferred embodiment of the present technical solution, the outer wall of the fixed plate is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a connecting plate, and the outer wall of the connecting plate is fixedly connected to an adjusting block.

[0012] As a further preferred embodiment of the present technical solution, an adjustment hole is provided on the outer wall of the movable block, a second spring is fixedly connected to the side of the connecting plate close to the adjustment block, and a side of the second spring away from the connecting plate is fixedly connected to the outer wall of the mounting seat.

[0013] The utility model provides a milling cutter that is easy to replace, which has the following beneficial effects:

[0014] (1) The utility model moves the limit rod, which moves inside the slide rail and drives the spring to stretch. At this time, the limit rod is located inside the limit groove and is separated from the outer wall of the fixed block. The slider is moved upward and moves inside the slide groove. The slider relies on the connecting arm to drive the positioning block to move inside the movable cavity. The positioning block drives the insert block to separate from the inside of the slot. At this time, the milling cutter is separated from the limit and can be disassembled and replaced, thereby realizing rapid replacement of the milling cutter.

[0015] (2) The utility model flips the connecting plate, which drives the rotating shaft to rotate and the tension spring 2 to stretch. The connecting plate drives the adjusting block to disengage from the inside of the adjusting hole, and at this time drives the moving block to move inside the adjusting cavity to adjust the position of the milling cutter. When the appropriate position is reached, the force on the connecting plate is released, and the spring 2 drives the connecting plate to reset. The adjusting block is inserted into the inside of the adjusting hole to limit the moving block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional appearance structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the positioning mechanism structure of the utility model;

[0019] Figure 4 For the utility model Figure 3 A is an enlarged structural diagram;

[0020] Figure 5 This is a schematic diagram of the structure of the adjustment mechanism of the present utility model.

[0021] In the figure: 1. Mounting seat; 2. Connecting block; 3. Moving block; 4. Milling cutter; 5. Positioning mechanism; 51. Mounting slot; 52. Positioning slot; 53. Slot; 54. Movable cavity; 55. Slide groove; 56. Slider; 57. Connecting arm; 58. Positioning block; 59. Insert block; 510. Slide rail; 511. Spring 1; 512. Fixed block; 513. Limiting slot; 514. Limiting rod; 6. Adjusting mechanism; 61. Adjusting cavity; 62. Fixed plate; 63. Rotating shaft; 64. Connecting plate; 65. Spring 2; 66. Adjusting hole; 67. Adjusting block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figures 1 to 5 As shown, in this embodiment, a milling cutter that is easy to replace includes a mounting seat 1 and a milling cutter 4. The outer wall of the mounting seat 1 is fixedly connected to a connecting block 2, an adjusting cavity 61 is provided inside the mounting seat 1, and a moving block 3 is slidably connected to the inner wall of the adjusting cavity 61. A positioning mechanism 5 is provided on the inner wall of the moving block 3. A positioning groove 52 is provided on the outer wall of the milling cutter 4, a slot 53 is provided on the outer wall of the positioning groove 52, a mounting groove 51 is provided inside the moving block 3, and a movable cavity 54 is provided on the inner wall of the mounting groove 51.

[0024] The outer wall of the moving block 3 is provided with a sliding groove 55 , the inner wall of the sliding groove 55 is slidably connected to a slider 56 , and one end of the slider 56 located inside the movable cavity 54 is hingedly connected to a connecting arm 57 .

[0025] The slider 56 moves on the inner wall of the sliding groove 55 and can drive the positioning block 58 to move inside the movable cavity 54 through the connecting arm 57 .

[0026] The inner wall of the movable cavity 54 is slidably connected to a positioning block 58 , the end of the connecting arm 57 away from the slider 56 is hingedly connected to the outer wall of the positioning block 58 , and the end of the positioning block 58 away from the connecting arm 57 is fixedly connected to an insert block 59 .

[0027] The positioning block 58 moves through the inserting block 59 to drive the inserting block 59 to be inserted into the interior of the slot 53 , thereby fixing the milling cutter 4 inside the moving block 3 .

[0028] Among them, the outer wall of the moving block 3 is fixedly connected to the fixed block 512, the inner wall of the fixed block 512 is provided with a limiting groove 513, the bottom end of the slider 56 is provided with a sliding rail 510, the inner wall of the sliding rail 510 is slidably connected to the limiting rod 514, and the outer wall of the limiting rod 514 is fixedly connected to a spring 511.

[0029] The limiting rod 514 has its bottom end fitted against the outer wall of the fixing block 512 , thereby limiting the position of the slider 56 .

[0030] The interior of the mounting base 1 is provided with an adjustment mechanism 6 , and the outer wall of the mounting base 1 is fixedly connected with a fixing plate 62 .

[0031] The adjusting mechanism 6 can adjust the position of the milling cutter 4 to process steel plates of different sizes.

[0032] The outer wall of the fixed plate 62 is rotatably connected to the rotating shaft 63 , the outer wall of the rotating shaft 63 is fixedly connected to the connecting plate 64 , and the outer wall of the connecting plate 64 is fixedly connected to the adjusting block 67 .

[0033] The rotation of the rotating shaft 63 can drive the connecting plate 64 to flip, thereby driving the position of the adjusting block 67 to shift.

[0034] Among them, the outer wall of the moving block 3 is opened with an adjustment hole 66, and the side of the connecting plate 64 close to the adjustment block 67 is fixedly connected to the spring 2 65, and the side of the spring 2 65 away from the connecting plate 64 is fixedly connected to the outer wall of the mounting seat 1.

[0035] The second spring 65 can limit the position of the connecting plate 64 by relying on its own elastic force without being affected by external forces.

[0036] The utility model provides a milling cutter that is easy to replace, and the specific working principle is as follows:

[0037] When in use, if the milling cutter 4 needs to be replaced, the limit rod 514 is moved, and the limit rod 514 moves inside the slide rail 510, and drives the spring 1 511 to stretch. At this time, the limit rod 514 is located inside the limit groove 513 and is out of contact with the outer wall of the fixed block 512. The slider 56 is moved upward, and the slider 56 moves inside the slide groove 55. The slider 56 relies on the connecting arm 57 to drive the positioning block 58 to move inside the movable cavity 54. The positioning block 58 drives the insert block 59 to break away from the inside of the slot 53. At this time, the milling cutter 4 is out of the limit, and the milling cutter 4 can be disassembled and replaced. When using the milling cutter 4 for processing, the position of the milling cutter 4 can be adjusted according to the thickness of the part to be processed. The connecting plate 64 is flipped over, and the connecting plate 64 drives the rotating shaft 63 to rotate, and the tension spring 2 65 is stretched. The connecting plate 64 drives the adjustment block 67 to disengage from the inside of the adjustment hole 66. At this time, it drives the moving block 3 to move inside the adjustment cavity 61 to adjust the position of the milling cutter 4. When the appropriate position is reached, the force on the connecting plate 64 is released, and the spring 2 65 drives the connecting plate 64 to reset. The adjustment block 67 is inserted into the inside of the adjustment hole 66 to limit the moving block 3.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A milling cutter that is easy to replace, comprising a mounting base (1) and a milling cutter (4), characterized in that: The outer wall of the mounting seat (1) is fixedly connected to a connecting block (2); an adjusting cavity (61) is provided inside the mounting seat (1); a moving block (3) is slidably connected to the inner wall of the adjusting cavity (61); a positioning mechanism (5) is provided on the inner wall of the moving block (3); a positioning groove (52) is provided on the outer wall of the milling cutter (4); a slot (53) is provided on the outer wall of the positioning groove (52); a mounting groove (51) is provided inside the moving block (3); and a movable cavity (54) is provided on the inner wall of the mounting groove (51).

2. The easily replaceable milling cutter according to claim 1, characterized in that: The outer wall of the moving block (3) is provided with a sliding groove (55), the inner wall of the sliding groove (55) is slidably connected to a slider (56), and one end of the slider (56) located inside the active cavity (54) is hingedly connected to a connecting arm (57).

3. The easily replaceable milling cutter according to claim 2, characterized in that: The inner wall of the movable cavity (54) is slidably connected to a positioning block (58); one end of the connecting arm (57) away from the slider (56) is hingedly connected to the outer wall of the positioning block (58); and one end of the positioning block (58) away from the connecting arm (57) is fixedly connected to an insert block (59).

4. The easily replaceable milling cutter according to claim 3, characterized in that: The outer wall of the movable block (3) is fixedly connected to a fixed block (512), the inner wall of the fixed block (512) is provided with a limiting groove (513), the bottom end of the slider (56) is provided with a slide rail (510), the inner wall of the slide rail (510) is slidably connected to a limiting rod (514), and the outer wall of the limiting rod (514) is fixedly connected to a spring (511).

5. The easily replaceable milling cutter according to claim 4, characterized in that: An adjustment mechanism (6) is provided inside the mounting seat (1), and a fixing plate (62) is fixedly connected to the outer wall of the mounting seat (1).

6. The easily replaceable milling cutter according to claim 5, characterized in that: The outer wall of the fixed plate (62) is rotatably connected to a rotating shaft (63), the outer wall of the rotating shaft (63) is fixedly connected to a connecting plate (64), and the outer wall of the connecting plate (64) is fixedly connected to an adjusting block (67).

7. The easily replaceable milling cutter according to claim 6, characterized in that: An adjustment hole (66) is provided on the outer wall of the moving block (3); a second spring (65) is fixedly connected to the side of the connecting plate (64) close to the adjustment block (67); and a side of the second spring (65) away from the connecting plate (64) is fixedly connected to the outer wall of the mounting seat (1).

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