Distance-adjustable milling cutter

Abstract

The utility model relates to the technical field of milling cutters, and discloses a distance-adjustable milling cutter which comprises a milling cutter handle, a distance adjusting assembly is fixedly installed at the bottom of the milling cutter handle, a milling cutter head is arranged at the bottom of the distance adjusting assembly, the distance adjusting assembly is used for clamping and fixing the milling cutter heads of different sizes and models, and the distance adjusting assembly comprises a fixing shell. The top of the fixing shell is fixedly connected with the bottom of a milling cutter handle, a gear ring is rotatably mounted at the bottom of an inner cavity of the fixing shell, strip-shaped blocks are mounted around the gear ring, a moving block is mounted at the top of each strip-shaped block, and a clamping block is fixedly connected to one side of each moving block. According to the design, the defects in the prior art are overcome, when milling cutter bits of different sizes and models are replaced, a worker does not need to disassemble and replace a milling cutter handle, the milling cutter bits of different types can be clamped and fixed by adjusting the distances among the three clamping blocks, the effect of rapid installation and positioning is achieved, great convenience is brought to the worker, and the working efficiency is improved. And the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, and more particularly to a milling cutter with adjustable distance. Background Art

[0002] A milling cutter is a rotating tool with one or more teeth used for milling. Each tooth sequentially and intermittently removes the workpiece's excess material. Milling cutters are primarily used on milling machines to create flat surfaces, steps, grooves, formed surfaces, and cut-off parts.

[0003] The shortcomings of the existing technology: Under the existing technology, the milling cutter head is usually installed on the tool holder of the machine tool when in use. The machine tool controls the rotation of the tool holder to pull the cutter head to rotate synchronously. Different milling cutter heads have different sizes and models, and the existing tool holder cannot be adjusted to match different cutter heads. When replacing the cutter head, the tool holder needs to be removed as a whole and then a tool holder that is suitable for the cutter head needs to be found, which brings inconvenience to the staff's operation and affects work efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a milling cutter with adjustable pitch to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a milling cutter with adjustable distance, comprising a milling cutter shank, a distance adjustment component fixedly installed on the bottom of the milling cutter shank, a milling cutter head provided at the bottom of the distance adjustment component, and the distance adjustment component is used to clamp and fix milling cutter heads of different sizes and models.

[0006] The distance adjustment component includes a fixed shell, the top of the fixed shell is fixedly connected to the bottom of the milling cutter handle, a gear ring is rotatably installed on the bottom of the inner cavity of the fixed shell, a strip block is installed around the gear ring, a moving block is installed on the top of the strip block, and a clamping block is fixedly connected to one side of the moving block.

[0007] Preferably, there are three strip blocks, and the three strip blocks are distributed in an array around the circumferential direction of the gear ring. A sliding rod is fixedly connected to the interior of the fixed shell. Three strip blocks are provided corresponding to the sliding rod. The interior of the strip block is slidably connected to the surface of the sliding rod. A positioning ring is fixedly connected to the bottom of the inner cavity of the fixed shell, and the bottom of the gear ring is rotatably connected to the positioning ring.

[0008] Preferably, the strip block is provided with straight teeth on the side facing the gear ring, and the straight teeth are meshed with the gear ring. The top of the strip block is provided with first bevel teeth, and the bottom of the moving block is provided with second bevel teeth, and the first bevel teeth are meshed with the second bevel teeth.

[0009] Preferably, a guide block is fixedly connected inside the fixed shell, three guide blocks are provided corresponding to the moving blocks, a guide groove is opened inside the moving block, and the surface of the guide block is slidably connected to the wall of the guide groove.

[0010] Preferably, an extension block is fixedly connected to one of the bar blocks, a threaded rod is rotatably installed in the fixed shell, one end of the threaded rod passes through the inner wall of the fixed shell and extends outward, one end of the threaded rod is fixedly connected to a rotating handle, and the interior of the extension block is threadedly connected to the surface of the threaded rod.

[0011] Preferably, three clamping blocks are provided corresponding to the strip blocks, and the three clamping blocks are provided with a clamping arc surface on one side close to each other, and a docking column is fixedly connected to the clamping arc surface. A docking groove is provided on the surface of the milling cutter head, and three docking grooves are evenly provided, and the docking grooves match the docking column.

[0012] The technical effects and advantages of this utility model are:

[0013] The present invention can realize that the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, and the tool holder can move along the guide rail of the present invention, BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 This is a cross-sectional view of the distance adjustment component of the present utility model.

[0016] Figure 3 It is a partial structural diagram of the distance adjustment component of the utility model.

[0017] Figure 4 This is a diagram showing the coordination of the bar block and the motion block of the present utility model.

[0018] Figure 5 This is a schematic diagram of the fixed shell structure of the present utility model.

[0019] Figure 6 This is a schematic structural diagram of the milling cutter head of the present utility model.

[0020] The accompanying drawings are marked as follows: 1. milling cutter handle; 2. distance adjustment assembly; 21. fixed shell; 211. positioning ring; 22. gear ring; 23. bar block; 231. straight teeth; 232. first oblique teeth; 24. moving block; 241. guide groove; 242. second oblique teeth; 25. clamping block; 251. docking column; 26. guide block; 27. sliding rod; 28. threaded rod; 281. rotating handle; 29. extension block; 3. milling cutter head; 31. docking groove. DETAILED DESCRIPTION

[0021] The following will combine the drawings in the present invention to clearly and completely describe the technical solutions in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely examples. The adjustable-pitch milling cutter involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] The utility model provides a milling cutter with adjustable distance, comprising a milling cutter handle 1, a distance adjustment component 2 is fixedly installed at the bottom of the milling cutter handle 1, a milling cutter head 3 is arranged at the bottom of the distance adjustment component 2, and the distance adjustment component 2 is used to clamp and fix the milling cutter heads 3 of different sizes and models.

[0023] The distance adjustment component 2 includes a fixed shell 21, the top of the fixed shell 21 is fixedly connected to the bottom of the milling cutter handle 1, a gear ring 22 is rotatably installed at the bottom of the inner cavity of the fixed shell 21, a strip block 23 is installed around the gear ring 22, a moving block 24 is installed on the top of the strip block 23, and a clamping block 25 is fixedly connected to one side of the moving block 24.

[0024] Furthermore, three bar blocks 23 are provided, and the three bar blocks 23 are distributed in an array in the circumferential direction of the gear ring 22. A sliding rod 27 is fixedly connected to the interior of the fixed shell 21. Three sliding rods 27 are provided corresponding to the bar blocks 23. The interior of the bar block 23 is slidingly connected to the surface of the sliding rod 27. The bar block 23 and the sliding rod 27 form a sliding guide cooperation along the axial direction of the sliding rod 27. A positioning ring 211 is fixedly connected to the bottom of the inner cavity of the fixed shell 21, and the bottom of the gear ring 22 is rotatably connected to the positioning ring 211.

[0025] Furthermore, the bar block 23 is provided with a straight tooth 231 on the side facing the gear ring 22, and the straight tooth 231 is meshed with the gear ring 22. A first bevel tooth 232 is provided on the top of the bar block 23, and a second bevel tooth 242 is provided on the bottom of the moving block 24. The first bevel tooth 232 is meshed with the second bevel tooth 242. The straight teeth 231 and the gear ring 22 cooperate with each other to realize power transmission between the bar block 23 and the gear ring 22, and the first bevel teeth 232 and the second bevel teeth 242 cooperate with each other to realize power transmission between the bar block 23 and the gear ring 22.

[0026] Furthermore, a guide block 26 is fixedly connected to the inside of the fixed shell 21. Three guide blocks 26 are provided corresponding to the moving blocks 24. A guide groove 241 is provided inside the moving block 24. The surface of the guide block 26 is slidably connected to the groove wall of the guide groove 241. The guide block 26 and the guide groove 241 cooperate with each other to limit the movement trajectory of the moving block 24 and ensure the stability of the movement of the moving block 24.

[0027] Furthermore, an extension block 29 is fixedly connected to a bar block 23, and a threaded rod 28 is rotatably installed in the fixed shell 21. One end of the threaded rod 28 passes through the inner wall of the fixed shell 21 and extends outward. One end of the threaded rod 28 is fixedly connected to a rotating handle 281. The interior of the extension block 29 is threadedly connected to the surface of the threaded rod 28. The staff can rotate the rotating handle 281 to rotate the threaded rod 28 around its own axis. While the threaded rod 28 rotates, a bar block 23 can be driven to slide along the sliding rod 27 through the extension block 29.

[0028] Furthermore, three clamping blocks 25 are provided corresponding to the strip blocks 23, and the three clamping blocks 25 are provided with a clamping arc surface on one side close to each other, and a docking column 251 is fixedly connected to the clamping arc surface. A docking groove 31 is provided on the surface of the milling cutter head 3, and three docking grooves 31 are evenly provided. The docking grooves 31 match the docking column 251. When the docking column 251 enters the docking groove 31, the clamping arc surface fits with the milling cutter head 3, and the milling cutter head 3 can be clamped and fixed.

[0029] The working principle of the present utility model is as follows: during actual operation, the staff grasps the milling cutter head 3 and locates it in the area between the three clamping blocks 25, then manually twists the rotating handle 281 to rotate the threaded rod 28 around its own axis. The threaded rod 28 rotates and drives a bar block 23 to slide synchronously along the sliding rod 27 through the extension block 29. During this process, the straight teeth 231 cooperate with the gear ring 22 to drive the gear ring 22 to rotate synchronously around its own axis, and the first bevel gear 232 and the second bevel gear 242 cooperate with each other to drive a moving block 24 to move synchronously toward the center of the fixed shell 21. While the gear ring 22 rotates, the other two bar blocks 23 are driven to slide synchronously along the sliding rod 27. Similarly, the other two moving blocks 24 also move synchronously toward the center of the fixed shell 21, and the three clamping blocks 25 move synchronously toward each other. When the docking column 251 enters the docking groove 31, the clamping arc surface fits against the milling cutter head 3, and the milling cutter head 3 is clamped and fixed. While the milling cutter handle 1 rotates, the milling cutter head 3 is pulled to rotate synchronously around its own axis.

[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0031] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0032] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A milling cutter with adjustable pitch, comprising a milling cutter handle (1), characterized in that: A distance adjustment component (2) is fixedly mounted on the bottom of the milling cutter handle (1), a milling cutter head (3) is provided at the bottom of the distance adjustment component (2), and the distance adjustment component (2) is used to clamp and fix milling cutter heads (3) of different sizes and models; The pitch adjustment assembly (2) comprises a fixed shell (21), the top of the fixed shell (21) is fixedly connected to the bottom of the milling cutter handle (1), a gear ring (22) is rotatably mounted on the bottom of the inner cavity of the fixed shell (21), a strip block (23) is mounted around the gear ring (22), a moving block (24) is mounted on the top of the strip block (23), and a clamping block (25) is fixedly connected to one side of the moving block (24).

2. The adjustable-pitch milling cutter according to claim 1, characterized in that: Three strip blocks (23) are provided, and the three strip blocks (23) are distributed in an array around the circumferential direction of the gear ring (22); a sliding rod (27) is fixedly connected inside the fixed shell (21); three sliding rods (27) are provided corresponding to the strip blocks (23); the inside of the strip blocks (23) is slidably connected to the surface of the sliding rod (27); a positioning ring (211) is fixedly connected to the bottom of the inner cavity of the fixed shell (21); and the bottom of the gear ring (22) is rotatably connected to the positioning ring (211).

3. The adjustable-pitch milling cutter according to claim 1, characterized in that: The strip block (23) is provided with straight teeth (231) on the side facing the gear ring (22), and the straight teeth (231) are meshed and connected with the gear ring (22); the top of the strip block (23) is provided with first oblique teeth (232), and the bottom of the moving block (24) is provided with second oblique teeth (242), and the first oblique teeth (232) are meshed and connected with the second oblique teeth (242).

4. The adjustable-pitch milling cutter according to claim 1, characterized in that: A guide block (26) is fixedly connected inside the fixed shell (21), and three guide blocks (26) are provided corresponding to the moving blocks (24). A guide groove (241) is provided inside the moving block (24), and the surface of the guide block (26) is slidably connected to the groove wall of the guide groove (241).

5. The adjustable-pitch milling cutter according to claim 2, characterized in that: An extension block (29) is fixedly connected to one of the strip blocks (23), a threaded rod (28) is rotatably installed in the fixed shell (21), one end of the threaded rod (28) passes through the inner wall of the fixed shell (21) and extends outward, one end of the threaded rod (28) is fixedly connected to a rotating handle (281), and the interior of the extension block (29) is threadedly connected to the surface of the threaded rod (28).

6. The adjustable-pitch milling cutter according to claim 1, characterized in that: The clamping blocks (25) are provided with three corresponding bar blocks (23), and the three clamping blocks (25) are provided with a clamping arc surface on one side close to each other, and a docking column (251) is fixedly connected to the clamping arc surface. The surface of the milling cutter head (3) is provided with a docking groove (31), and three docking grooves (31) are evenly provided, and the docking grooves (31) match the docking column (251).

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