Adjustable numerical control milling cutter

Abstract

The utility model belongs to the technical field of milling cutters, and particularly relates to an adjustable numerical control milling cutter. Comprising a milling cutter body, a fixed connecting block is arranged above the milling cutter body, a milling depth adjusting assembly is arranged between the milling cutter body and the fixed connecting block, and the milling depth adjusting assembly enables the milling cutter body to adjust the milling depth of a milling part. The milling depth adjusting assembly comprises a connecting rod connected to the upper end face of the milling cutter body and an inserting rod fixedly arranged on the lower end face of the fixed connecting block, an inserting opening is formed in the upper end face of the connecting rod, and one end of the inserting rod is inserted into the inserting opening in the connecting rod. By arranging the milling depth adjusting assembly, the connecting length between the milling cutter body and the fixed connecting block can be adjusted, and the milling depth of a milling piece can be adjusted by adjusting the connecting length between the milling cutter body and the fixed connecting block, so that the milling cutter body can mill the milling pieces with different depths.

Description

TECHNICAL FIELD

[0001] The utility model relates to milling cutter technical field, concretely is a adjustable numerical control milling cutter. BACKGROUND

[0002] Milling cutter is a kind of cutting tool for milling processing, mainly used for cutting, punching, cutting, engraving etc. Operation to metal or other materials in machining. It is contacted by rotating motion and workpiece, removes material to form the shape and size required. Milling cutter is usually used on milling machine, and is one of important tools for processing complex shape and precision parts.

[0003] At present, the length of commonly used milling cutter is fixed, and there is difference in the milling depth required by different workpieces, and for some workpieces with large milling depth difference, the milling cutter that is adapted to the milling depth of workpiece needs to be replaced, so that the workpiece can be accurately milled, but the range of workpiece suitable for milling cutter is limited.

[0004] Therefore, we propose a adjustable numerical control milling cutter to solve the above problems. INVENTION CONTENTS

[0005] (1) technical problem solved

[0006] In view of the deficiencies of prior art, the utility model provides a adjustable numerical control milling cutter, and solves the problems proposed in the above background art.

[0007] (2) technical scheme

[0008] The utility model discloses a technical scheme in the specific implementation to realize the above-mentioned purpose:

[0009] A kind of adjustable numerical control milling cutter, including milling cutter body, fixed connecting block is arranged in the upper of milling cutter body, milling depth adjusting assembly is arranged between milling cutter body and fixed connecting block, milling depth adjusting assembly makes milling cutter body can adjust the milling depth of milling piece.

[0010] Further, the milling depth adjusting assembly includes a connecting rod connected to the upper end surface of the milling cutter body and an insertion rod fixedly arranged at the lower end surface of the fixed connecting block, the upper end surface of the connecting rod is provided with a socket, one end of the insertion rod is inserted into the socket on the connecting rod, and a limiting ring is fixedly arranged at the top end of the inside of the socket.

[0011] Further, the bottom end of the insertion rod is fixedly provided with a limiting block, the outer diameter of the limiting block is matched with the inner diameter of the socket, the top end of the fixed connecting block is provided with a groove, a threaded rod is arranged above the groove, and one end of the threaded rod passes through the groove, the insertion rod and the limiting block in sequence and is rotationally connected with the bottom end of the inside of the socket.

[0012] Further, the top end of the threaded rod is fixedly provided with a rotating block, the rotating block is arranged in the groove, a threaded hole is formed in the limiting block, the threaded rod is threadedly connected with the threaded hole, and the outer wall surface of the inserting rod is fixedly provided with a plurality of limiting sliding blocks.

[0013] Further, a plurality of limiting sliding grooves are formed in the inner wall surface of the socket, and the plurality of limiting sliding blocks are slidingly arranged in the plurality of limiting sliding grooves.

[0014] Further, a threaded column is fixedly arranged on the upper end surface of the milling cutter body, a threaded connecting hole is formed in the lower end surface of the connecting rod, the threaded column is inserted into the threaded connecting hole, and the threaded column and the threaded connecting hole are connected through threads.

[0015] Further, the side wall surfaces, opposite to the connecting rod, of the milling cutter body and the connecting rod are both provided with clamping grooves, and a sealing ring is arranged between the two clamping grooves, and the upper and lower ends of the sealing ring are respectively arranged on the bottom ends of the clamping grooves on the connecting rod and the milling cutter body.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the adjustable numerical control milling cutter has the following beneficial effects:

[0018] The milling depth adjusting assembly can adjust the connecting length between the milling cutter body and the fixed connecting block, and the adjustment of the connecting length between the milling cutter body and the fixed connecting block can adjust the milling depth of the milling piece, so that the milling cutter body can mill milling pieces with different depths. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is the first perspective of the utility model explosion map;

[0021] Figure 3 It is the second perspective of the utility model explosion map;

[0022] Figure 4 It is the first perspective of the milling depth adjusting assembly explosion map of the utility model;

[0023] Figure 5 It is the second perspective of the milling depth adjusting assembly explosion map of the utility model;

[0024] Figure 6 It is the connecting rod sectional view of the utility model.

[0025] In the diagram: 1. Milling cutter body; 2. Fixed connecting block; 3. Milling depth adjustment component; 301. Connecting rod; 302. Insert; 303. Limiting ring; 304. Insert rod; 305. Limiting block; 306. Groove; 307. Threaded rod; 308. Threaded hole; 309. Limiting slider; 310. Limiting groove; 4. Threaded column; 5. Threaded connecting hole; 6. Slot; 7. Sealing ring. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example

[0028] like Figures 1-6 As shown in the figure, an adjustable CNC milling cutter according to one embodiment of the present invention includes a milling cutter body 1, a fixed connecting block 2 is provided above the milling cutter body 1, and a milling depth adjustment component 3 is provided between the milling cutter body 1 and the fixed connecting block 2. The milling depth adjustment component 3 enables the milling cutter body 1 to adjust the milling depth of the milled workpiece.

[0029] like Figure 4 - Figure 6 As shown, the milling depth adjustment assembly 3 includes a connecting rod 301 connected to the upper end face of the milling cutter body 1 and an insert rod 304 fixedly disposed on the lower end face of the fixed connecting block 2. The upper end face of the connecting rod 301 has an insertion port 302. One end of the insert rod 304 is inserted into the insertion port 302 on the connecting rod 301. A limit ring 303 is fixedly disposed at the top inner side of the insertion port 302. A limit block 305 is fixedly disposed at the bottom end of the insert rod 304. The outer diameter of the limit block 305 is adapted to the inner diameter of the insertion port 302. The top end of the fixed connecting block 2 has a groove 306. A threaded rod 307 is disposed above the groove 306. One end of the threaded rod 307 passes through the groove 306, the insert rod 304, and the limit block 305 in sequence and is rotatably connected to the bottom inner side of the insertion port 302. A rotating block is fixedly installed at the top of the threaded rod 307, and the rotating block is disposed in the groove 306. A threaded hole 308 is provided on the limiting block 305, and the threaded rod 307 is threadedly connected to the threaded hole 308. A plurality of limiting sliders 309 are fixedly installed on the outer wall surface of the insertion rod 304. A plurality of limiting grooves 310 are provided on the inner wall surface of the insertion port 302, and the plurality of limiting sliders 309 are respectively slidably disposed in the plurality of limiting grooves 310.

[0030] The connection length between the milling cutter body 1 and the fixed connecting block 2 can be adjusted by adjusting the milling depth adjusting assembly 3, and the milling depth of the milling piece can be adjusted by adjusting the connection length between the milling cutter body 1 and the fixed connecting block 2, so that the milling cutter body 1 can mill milling pieces of different depths.

[0031] As shown in Figure 2 and Figure 3 , the upper end surface of the milling cutter body 1 is fixedly provided with a threaded column 4, the lower end surface of the connecting rod 301 is provided with a threaded connection hole 5, the threaded column 4 is inserted into the threaded connection hole 5, and the threaded column 4 and the threaded connection hole 5 are connected by threads.

[0032] The threaded column 4 and the threaded connection hole 5 are provided to enable the milling cutter body 1, the fixed connecting block 2, and the milling depth adjusting assembly 3 to be disassembled and installed, which can reduce the cost of replacing the milling cutter body 1 and the components connected to the milling cutter body 1 when the milling cutter body 1 is damaged.

[0033] As shown in Figure 2 and Figure 3 , the side wall surface opposite to the connecting rod 301 of the milling cutter body 1 is provided with a clamping groove 6, and a sealing ring 7 is arranged between the two clamping grooves 6, and the upper and lower ends of the sealing ring 7 are respectively arranged on the bottom end of the clamping groove 6 on the connecting rod 301 and the milling cutter body 1.

[0034] The clamping groove 6 and the sealing ring 7 are provided to improve the sealing performance of the connection between the milling cutter body 1 and the connecting rod 301, which can prevent external water from seeping into the connection between the threaded column 4 and the threaded connection hole 5 through the gap between the milling cutter body 1 and the connecting rod 301, which can accelerate the rusting of the threaded column 4 and the threaded connection hole 5, and the rusted threaded column 4 and the threaded connection hole 5 make it difficult to disassemble the milling cutter body 1 and the connecting rod 301.

[0035] The utility model working principle:

[0036] When the depth of the milling piece needs to be adjusted, the rotating block at one end of the threaded rod 307 is rotated, the rotation of the rotating block drives the threaded rod 307 to rotate, the threaded rod 307 drives the insertion rod 304 in the insertion hole 302 to move along the limiting sliding groove 310, the movement of the insertion rod 304 adjusts the connection length between the milling cutter body 1 and the fixed connecting block 2, when the milling cutter body 1 and the fixed connecting block 2 are adjusted to the appropriate connection length, the rotating block at one end of the threaded rod 307 is stopped, then the milling cutter body 1 is connected with the machine tool through the fixed connecting block 2; if the milling cutter body 1 is damaged, the milling cutter body 1 and the fixed connecting block 2 are reversely rotated until the milling cutter body 1 and the fixed connecting block 2 are separated, then the threaded column 4 at one end of the new milling cutter body 1 is inserted into the threaded connection hole 5 on the connecting rod 301, the new milling cutter body 1 is rotated, and the new milling cutter body 1 is fixedly connected with the connecting rod 301.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An adjustable numerical control milling cutter comprising a milling cutter body (1), characterised in that: The upper part of the milling cutter body (1) is provided with a fixed connecting block (2), and a milling depth adjusting assembly (3) is arranged between the milling cutter body (1) and the fixed connecting block (2). The milling depth adjusting assembly (3) can adjust the milling depth of the milling part. The milling depth adjusting assembly (3) comprises a connecting rod (301) connected to the upper end surface of the milling cutter body (1) and an insertion rod (304) fixedly arranged on the lower end surface of the fixed connecting block (2). The upper end surface of the connecting rod (301) is provided with a socket (302), one end of the insertion rod (304) is inserted into the socket (302) on the connecting rod (301), and a limiting ring (303) is fixedly arranged at the inner top end of the socket (302).

2. The adjustable numerical control milling cutter according to claim 1, wherein: The bottom end of the insertion rod (304) is fixedly provided with a limiting block (305), the outer diameter of the limiting block (305) is matched with the inner diameter of the socket (302), the top end of the fixed connecting block (2) is provided with a groove (306), the upper part of the groove (306) is provided with a threaded rod (307), one end of the threaded rod (307) passes through the groove (306), the insertion rod (304) and the limiting block (305) in sequence and is rotationally connected with the inner bottom end of the socket (302).

3. The adjustable numerical control milling cutter according to claim 2, wherein: The top end of the threaded rod (307) is fixedly provided with a rotating block, and the rotating block is arranged in the groove (306). A threaded hole (308) is formed in the limiting block (305), and the threaded rod (307) is screwedly connected with the threaded hole (308) through screw threads. A plurality of limiting sliding blocks (309) are fixedly arranged on the outer wall surface of the insertion rod (304).

4. The adjustable numerical control milling cutter according to claim 3, wherein: A plurality of limiting sliding grooves (310) are formed in the inner wall surface of the socket (302), and a plurality of limiting sliding blocks (309) are slidingly arranged in the plurality of limiting sliding grooves (310).

5. The adjustable numerical control milling cutter according to claim 1, wherein: A threaded column (4) is fixedly arranged on the upper end surface of the milling cutter body (1), a threaded connecting hole (5) is formed in the lower end surface of the connecting rod (301), the threaded column (4) is inserted into the threaded connecting hole (5), and the threaded column (4) and the threaded connecting hole (5) are connected through screw threads.

6. The adjustable numerical control milling cutter according to claim 5, wherein: The opposite side wall surfaces of the milling cutter body (1) and the connecting rod (301) are provided with clamping grooves (6), a sealing ring (7) is arranged between the two clamping grooves (6), and the upper and lower ends of the sealing ring (7) are respectively arranged on the bottom ends of the clamping grooves (6) on the connecting rod (301) and the milling cutter body (1).

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