Herringbone milling cutter device

Abstract

The utility model relates to the technical field of milling cutters, in particular to a herringbone milling cutter device which comprises a fixing cylinder, an adjusting assembly is arranged in an inner cavity of the fixing cylinder, a machine shell is arranged at the right end of the adjusting assembly, a cutter head is detachably connected with an inner cavity of the machine shell in an inserted mode, and a sliding assembly is arranged in the inner cavity of the machine shell. Fixing holes are formed in the upper side and the lower side of the outer wall of the tool bit correspondingly, fixing rods are detachably inserted into inner cavities of the two fixing holes correspondingly, connecting plates are arranged at the ends, away from each other, of the two fixing rods correspondingly, the two connecting plates are connected with a sliding assembly, and a tool handle is arranged on the left side of the fixing cylinder. The cutter handle is square and used for clamping and fixing a milling machine. The herringbone milling cutter device solves the problems that the length of a milling cutter in the prior art cannot be adjusted in the actual using process, so that the length of the milling cutter cannot be adjusted according to different requirements of different milling machines on the length of the milling cutter in the using process, and the flexibility is limited in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a herringbone milling cutter device. Background Art

[0002] A milling cutter is a rotary tool with one or more teeth used for milling. Each tooth cuts off the excess of the workpiece intermittently in sequence during operation. Milling cutters are mainly used to process planes, steps, grooves, forming surfaces and cut off workpieces on milling machines.

[0003] However, the length of the milling cutter in the prior art cannot be adjusted during actual use, resulting in that the milling cutter cannot be adjusted according to different requirements of different milling machines for the length of the milling cutter during use, and its flexibility during use is limited. To address this problem, a herringbone milling cutter device is provided. Utility Model Content

[0004] The purpose of the utility model is to provide a herringbone milling cutter device to solve the problems raised in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions: the herringbone milling cutter device includes a fixed cylinder, the inner cavity of the fixed cylinder is provided with an adjustment component, the right end of the adjustment component is provided with a housing, the inner cavity of the housing is detachably plugged with a cutter head, the inner cavity of the housing is provided with a sliding component, the upper and lower sides of the outer wall of the cutter head are respectively provided with fixing holes, the inner cavities of the two fixing holes are detachably plugged with fixing rods, the ends of the two fixing rods away from each other are provided with connecting plates, and the two connecting plates are connected to the sliding component, the left side of the fixed cylinder is provided with a handle, the handle is square and is used for clamping and fixing on a milling machine, the left end of the adjustment component extends to the left end of the handle, the outer wall of the cutter head is provided with two spiral grooves, and a positioning plate is provided in the middle of the inner cavity of the housing.

[0005] Preferably, the helical angles of the two spiral grooves are both twenty-five degrees.

[0006] Preferably, the adjustment assembly includes a screw, a knob, a movable cylinder and a connecting assembly, the screw is rotatably connected to the inner cavity of the tool handle through a bearing, the right end of the screw extends to the inner cavity of the fixed cylinder, the knob is fixedly connected to the left end of the screw, the movable cylinder is threaded on the outer wall of the screw and fixedly connected to the casing, and the connecting assembly is arranged on the inner wall of the fixed cylinder and fixedly connected to the outer wall of the movable cylinder.

[0007] Preferably, the connecting assembly comprises a connecting groove and a connecting block, the connecting groove is provided on the inner wall of the fixing cylinder, and the connecting block is slidably embedded in the inner cavity of the connecting groove.

[0008] Preferably, the outer wall of the connecting block is adapted to the inner cavity of the connecting groove and both are dovetail-shaped.

[0009] Preferably, the sliding assembly includes a screw rod, a turntable, a slider and a limit assembly, one end of the screw rod is rotatably connected to the bottom end of the inner cavity of the casing through a bearing, the other end of the screw rod extends to the top of the casing and is fixedly connected to the turntable, the two sliders are respectively screwed on the upper and lower sides of the outer wall of the screw rod and fixedly connected to two connecting plates, the limit assembly is arranged on the inner wall of the casing and fixedly connected to the two sliders, and the threads on the upper and lower sides of the outer wall of the screw rod are arranged relative to each other.

[0010] Preferably, the limit assembly includes a limit slot and a limit block, the limit slot is opened on the left side of the inner wall of the casing, the two limit blocks can be slidably embedded in the inner cavity of the limit slot and fixedly connected with the two sliders, the inner cavity of the limit slot is adapted to fit the outer wall of the limit block and are both in a "T" shape.

[0011] Preferably, the cutter head comprises a front forward milling portion and a rear reverse milling portion, and the forward milling portion and the reverse milling portion partially overlap to form a cutting edge overlap portion, thereby forming a herringbone milling cutter cutting edge.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By setting the adjustment component, the length of the milling cutter can be flexibly adjusted, and the length of the milling cutter can be conveniently adjusted according to the requirements of different milling machines for the length of the milling cutter, which solves the problem that the milling cutter in the prior art cannot be adjusted in length during actual use, resulting in the inability to adjust the length of the milling cutter according to the different requirements of different milling machines for the length of the milling cutter during use, and the flexibility during use is limited;

[0014] 2. By setting the sliding assembly, the two connecting plates can respectively drive the two fixing rods to slide toward the middle of the inner cavity of the casing at the same time, and then the two fixing rods are respectively inserted into the inner cavities of the two fixing holes. Under the joint action of the fixing rods and the fixing holes, the cutter head can be fixed, which is convenient for the disassembly, assembly and replacement of the cutter head, and for replacing the cutter head when it is severely worn, so that the fixing tube and the handle can be reused, thereby reducing the waste of resources and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a front cross-sectional view of the utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0018] Figure 4 For this utility model Figure 3 The enlarged view of point B;

[0019] Figure 5 It is a structural schematic diagram of the cutter head of the utility model.

[0020] In the figure: 1. fixed cylinder; 2. casing; 3. cutter head; 4. cutter handle; 5. spiral groove; 6. screw rod; 7. knob; 8. moving cylinder; 9. connecting groove; 10. connecting block; 11. screw rod; 12. turntable; 13. slider; 14. fixing hole; 15. fixing rod; 16. connecting plate; 18. limit groove; 19. limit block; 20. positioning plate. DETAILED DESCRIPTION

[0021] 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 technical personnel in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 5The utility model provides a technical solution: a herringbone milling cutter device comprises a fixed cylinder 1, an inner cavity of the fixed cylinder 1 is provided with an adjusting component, a housing 2 is provided at the right end of the adjusting component, a cutter head 3 is detachably plugged into the inner cavity of the housing 2, a sliding component is provided in the inner cavity of the housing 2, fixing holes 14 are respectively provided on the upper and lower sides of the outer wall of the cutter head 3, and the inner cavities of the two fixing holes 14 are detachably plugged with fixing rods 15, and the ends of the two fixing rods 15 away from each other are provided with connecting plates 16, and the two connecting plates 16 are connected to the sliding component, a tool handle 4 is provided on the left side of the fixed cylinder 1, and the tool handle 4 is square and used for clamping and fixing the milling machine, and the left end of the adjusting component extends to the left end of the tool handle 4, and two spiral grooves 5 are provided on the outer wall of the cutter head 3, and the debris generated when the milling cutter processes the workpiece can be guided out by the setting of the spiral groove 5 to avoid the occurrence of burrs, and the length of the milling cutter can be flexibly adjusted by the setting of the adjusting component, so that the length of the milling cutter can be conveniently adjusted according to the requirements of different milling machines for the length of the milling cutter. The invention solves the problem that the milling cutter of the prior art cannot adjust its length during actual use, resulting in that it cannot be adjusted according to different milling machine requirements for the length of the milling cutter during use, and the flexibility is limited during use. Through the setting of the sliding assembly, the two connecting plates 16 can respectively drive the two fixing rods 15 to slide toward the middle of the inner cavity of the casing 2 at the same time, so that the two fixing rods 15 are respectively inserted into the inner cavity of the two fixing holes 14. Under the joint action of the fixing rods 15 and the fixing holes 14, the cutter head 3 can be fixed, which is convenient for the disassembly, assembly and replacement of the cutter head 3, and it is convenient to replace the cutter head 3 when it is severely worn, so that the fixing cylinder 1 and the handle 4 can be reused, thereby reducing the waste of resources and reducing costs. A positioning plate 20 is provided in the middle of the inner cavity of the casing 2. Through the setting of the positioning plate 20, the position of the cutter head 3 can be limited. When one end of the cutter head 3 contacts the positioning plate 20, the fixing rod 15 can be aligned with the fixing hole 14, which is convenient for fixing the cutter head 3.

[0023] In this embodiment, the spiral angles of the two spiral grooves 5 are both 25 degrees, with an error of plus or minus one degree.

[0024] The screw rod 6 is connected to the inner cavity of the tool handle 4 by a bearing, the right end of the screw rod 6 extends to the inner cavity of the fixed tube 1, the knob 7 is fixedly connected to the left end of the screw rod 6, the movable tube 8 is screwed to the outer wall of the screw rod 6 and is fixedly connected to the casing 2, the connecting assembly is arranged on the inner wall of the fixed tube 1 and is fixedly connected to the outer wall of the movable tube 8, so that the knob 7 drives the screw rod 6 to rotate, under the action of the rotation force of the thread on the outer wall of the screw rod 6, when the screw 6 rotates, the movable tube 8 can drive the casing 2 to slide under the limiting action of the connecting block 10 and the connecting groove 9, so as to realize the length adjustment of the milling cutter, and facilitate the adjustment of the length of the milling cutter according to the requirements of different milling machines for the length of the milling cutter, so as to solve the problem that the milling cutter of the prior art cannot adjust its length during actual use, resulting in that it cannot be adjusted according to the different requirements of different milling machines for the length of the milling cutter during use, and the flexibility during use is limited.

[0025] In this embodiment, the connecting component includes a connecting groove 9 and a connecting block 10. The connecting groove 9 is opened on the inner wall of the fixed cylinder 1, and the connecting block 10 can be slidably embedded in the inner cavity of the connecting groove 9. Under the interaction between the connecting block 10 and the connecting groove 9, the movable cylinder 8 can be prevented from detaching from the inner cavity of the fixed cylinder 1, thereby improving the stability of the adjustment component during use.

[0026] In this embodiment, the outer wall of the connecting block 10 is adapted to the inner cavity of the connecting groove 9 and both are dovetail-shaped, so that one end of the connecting block 10 can always remain embedded in the inner cavity of the connecting groove 9, thereby improving the stability of the connecting assembly during use.

[0027] In this embodiment, the sliding assembly includes a screw rod 11, a turntable 12, a slider 13 and a limit assembly. One end of the screw rod 11 is rotatably connected to the bottom end of the inner cavity of the casing 2 through a bearing, and the other end of the screw rod 11 extends to the top of the casing 2 and is fixedly connected to the turntable 12. The two sliders 13 are respectively screwed to the upper and lower sides of the outer wall of the screw rod 11 and are fixedly connected to two connecting plates 16. The limit assembly is arranged on the inner wall of the casing 2 and is fixedly connected to the two sliders 13. The threads on the upper and lower sides of the outer wall of the screw rod 11 are arranged oppositely. The turntable 12 is rotated to drive the screw rod 11 to rotate, so that the upper and lower sides of the outer wall of the screw rod 11 are oppositely arranged. The pairs of threads generate relative thread rotation force, so that the two sliders 13 slide toward the middle of the screw rod 11 at the same time under the limiting action of the limiting groove 18 and the limiting block 19, so that the two connecting plates 16 respectively drive the two fixing rods 15 to slide toward the middle of the inner cavity of the casing 2, and then the two fixing rods 15 are respectively inserted into the inner cavity of the two fixing holes 14. Under the joint action of the fixing rods 15 and the fixing holes 14, the cutter head 3 can be fixed, which is convenient for the disassembly, assembly and replacement of the cutter head 3, and it is convenient to replace the cutter head 3 when it is severely worn, so that the fixing cylinder 1 and the handle 4 can be reused, reducing the waste of resources and reducing costs.

[0028] In this embodiment, the limit assembly includes a limit groove 18 and a limit block 19. The limit groove 18 is opened on the left side of the inner wall of the casing 2. The two limit blocks 19 can be slidably embedded in the inner cavity of the limit groove 18 and fixedly connected with the two sliders 13. Under the interaction between the limit groove 18 and the limit block 19, the slider 13 can be prevented from rotating with the screw rod 11 when the screw rod 11 rotates, thereby improving the stability of the sliding assembly when in use. The inner cavity of the limit groove 18 is matched with the outer wall of the limit block 19 and both are in a "T" shape, so that one end of the limit block 19 can always remain embedded in the inner cavity of the limit groove 18, thereby improving the stability of the limit assembly when in use.

[0029] The cutter head 3 includes a front forward milling part and a rear reverse milling part, wherein the forward milling part and the reverse milling part partially overlap to form a blade overlap part, forming a herringbone milling cutter blade. When the cutter head 3 is used to process aluminum honeycomb plates, milling or drilling, ordinary milling cutters will leave burrs during processing. With the herringbone milling cutter device of the present invention, due to the provision of the forward milling part and the reverse milling part, when the forward milling part is processed, the burrs are formed upward, and then the upward burrs are reversely processed by the reverse milling part, and then the burrs are removed by the blade overlap part.

[0030] The use method and advantages of the utility model: When in use, the working process is as follows:

[0031] Rotate the knob 7 to make the knob 7 drive the screw 6 to rotate. Under the action of the rotational force of the outer wall thread of the screw 6, when the screw 6 rotates, the movable cylinder 8 can drive the casing 2 to slide under the limiting action of the connecting block 10 and the connecting groove 9, so as to realize the length adjustment of the milling cutter, and facilitate the adjustment of the length of the milling cutter according to the requirements of different milling machines for the length of the milling cutter, which solves the problem that the milling cutter of the prior art cannot adjust its length during actual use, resulting in that it cannot be adjusted according to the different requirements of different milling machines for the length of the milling cutter during use, and the flexibility is limited during use. When installing the cutter head 3, insert the cutter head 3 into the inner cavity of the casing 2 so that one end of the cutter head 3 is in close contact with the positioning plate 20, so that the fixing hole 1 4 is aligned with the fixing rod 15. At this time, the turntable 12 is rotated to make the turntable 12 drive the screw rod 11 to rotate, so that the threads on the upper and lower sides of the outer wall of the screw rod 11 generate relative thread rotation force, so that the two sliders 13 slide toward the middle of the screw rod 11 at the same time under the limiting action of the limiting groove 18 and the limiting block 19, so that the two connecting plates 16 respectively drive the two fixing rods 15 to slide toward the middle of the inner cavity of the casing 2, and then the two fixing rods 15 are respectively inserted into the inner cavities of the two fixing holes 14. Under the joint action of the fixing rods 15 and the fixing holes 14, the cutter head 3 can be fixed, which is convenient for the disassembly, assembly and replacement of the cutter head 3, and it is convenient to replace the cutter head 3 when it is seriously worn, so that the fixing cylinder 1 and the handle 4 can be reused, reducing the waste of resources and reducing costs.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A herringbone milling cutter device, comprising a fixed cylinder (1), characterized in that: The inner cavity of the fixed cylinder (1) is provided with an adjustment component, a housing (2) is provided at the right end of the adjustment component, a cutter head (3) is detachably inserted into the inner cavity of the housing (2), a sliding component is provided in the inner cavity of the housing (2), fixing holes (14) are respectively provided on the upper and lower sides of the outer wall of the cutter head (3), and fixing rods (15) are detachably inserted into the inner cavities of the two fixing holes (14), and connecting plates (16) are provided at the ends of the two fixing rods (15) that are away from each other, and the two connecting plates (16) are connected to the sliding component, a tool handle (4) is provided on the left side of the fixed cylinder (1), and the tool handle (4) is square and is used for clamping and fixing on a milling machine, the left end of the adjustment component extends to the left end of the tool handle (4), the outer wall of the cutter head (3) is provided with two spiral grooves (5), and a positioning plate (20) is provided in the middle of the inner cavity of the housing (2).

2. The herringbone milling cutter device according to claim 1, characterized in that: The helical angles of the two helical grooves (5) are both 25 degrees.

3. The herringbone milling cutter device according to claim 1, characterized in that: The adjustment assembly comprises a screw (6), a knob (7), a movable cylinder (8) and a connecting assembly. The screw (6) is rotatably connected to the inner cavity of the tool handle (4) via a bearing. The right end of the screw (6) extends to the inner cavity of the fixed cylinder (1). The knob (7) is fixedly connected to the left end of the screw (6). The movable cylinder (8) is screwed to the outer wall of the screw (6) and is fixedly connected to the housing (2). The connecting assembly is arranged on the inner wall of the fixed cylinder (1) and is fixedly connected to the outer wall of the movable cylinder (8).

4. The herringbone milling cutter device according to claim 3, characterized in that: The connection assembly comprises a connection groove (9) and a connection block (10); the connection groove (9) is formed on the inner wall of the fixed cylinder (1); and the connection block (10) is slidably embedded in the inner cavity of the connection groove (9).

5. The herringbone milling cutter device according to claim 4, characterized in that: The outer wall of the connecting block (10) is adapted to fit the inner cavity of the connecting groove (9) and both are dovetail-shaped.

6. The herringbone milling cutter device according to claim 1, characterized in that: The sliding assembly comprises a screw rod (11), a rotating disk (12), a slider (13) and a limit assembly. One end of the screw rod (11) is rotatably connected to the bottom end of the inner cavity of the casing (2) through a bearing. The other end of the screw rod (11) extends to the top of the casing (2) and is fixedly connected to the rotating disk (12). The two sliders (13) are respectively screwed to the upper and lower sides of the outer wall of the screw rod (11) and are fixedly connected to two connecting plates (16). The limit assembly is arranged on the inner wall of the casing (2) and is fixedly connected to the two sliders (13). The threads on the upper and lower sides of the outer wall of the screw rod (11) are arranged opposite to each other.

7. The herringbone milling cutter device according to claim 6, characterized in that: The limiting assembly comprises a limiting groove (18) and a limiting block (19); the limiting groove (18) is arranged on the left side of the inner wall of the housing (2); the two limiting blocks (19) are slidably embedded in the inner cavity of the limiting groove (18) and are fixedly connected to the two sliding blocks (13); the inner cavity of the limiting groove (18) is adapted to fit the outer wall of the limiting block (19) and are both in a "T" shape.

8. The herringbone milling cutter device according to any one of claims 1 to 7, characterized in that: The cutter head (3) comprises a front forward milling portion and a rear reverse milling portion, wherein the forward milling portion and the reverse milling portion partially overlap to form a cutting edge overlap portion.

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