Milling and grinding machine with tool bit convenient to replace

Abstract

The utility model discloses a milling and grinding machine with a tool bit convenient to replace, and belongs to the field of milling and grinding machines, the milling and grinding machine comprises a tool apron, the tool bit is fixedly connected above the tool apron, the tool apron and the tool bit are fixedly connected through a mounting assembly, and the mounting assembly comprises a connecting seat, a base, a connecting block, a fixed seat, a first screw hole, a containing groove, a movable block, a positioning rod, a positioning column and a screw rod. By means of the arranged installation assembly, the tool bit is rotationally installed in the first screw hole, the positioning hole of the connecting base corresponds to the positioning rod, then the positioning rod and the rubber ring are inserted into the positioning hole, and therefore the tool bit is fixedly connected and installed more stably and is not prone to loosening and falling off due to vibration, and after the tool bit is installed, the positioning column rotates on the screw rod, and the tool bit can be installed conveniently. The positioning column is in contact with the tool bit, the position of the tool bit is positioned through the positioning column, when the same tool bit is installed subsequently and the tool bit rotates to the position of the positioning rod, the positioning hole and the positioning rod are naturally aligned, and the tool bit is more convenient to install and disassemble.

Description

Technical Field

[0001] The utility model relates to the field of milling machines, in particular to a milling machine with a cutter head that is easy to replace. Background Art

[0002] The cutter head of the milling machine needs to be replaced according to the workpiece and processing requirements during use. In the prior art, the Chinese utility model patent with the public document number: CN216657567U discloses a milling machine cutter head clamping, replacement and indexing device. The utility model clamps the processing cutter head body by two arc-shaped clamping blocks approaching each other, and drives two fixing blocks to be inserted into two fixing grooves to fix the processing cutter head body, so that the processing cutter head body can be quickly installed or disassembled, which is convenient for replacing or repairing the processing cutter head body, and ensures the processing efficiency of the device;

[0003] However, the movement of the arc clamping block is operated by the second knob, and the two arc clamping blocks are moved toward each other by rotating the second screw rod. However, during the use of the milling machine, the cutter head will continue to vibrate, making the second screw rod and the second knob easily affected and loose, causing the cutter head to loosen or even fall off, so improvement is needed. Utility Model Content

[0004] The main purpose of the utility model is to provide a milling machine with an easy-to-replace cutter head, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A milling machine with an easy-to-replace cutter head comprises a cutter seat, wherein a cutter head is fixedly connected to the upper position of the cutter seat, and the cutter seat and the cutter head are fixedly connected via a mounting assembly, wherein the mounting assembly comprises a connecting seat, a base, a connecting block, a fixing seat, a No. 1 screw hole, a receiving groove, a movable block, a positioning rod, a positioning column and a screw, wherein the connecting seat is fixedly connected to the cutter head, the base is fixedly connected to the cutter seat, the fixing seat is located at the upper position of the base, the connecting block is fixedly connected to the position between the fixing seat and the base, the No. 1 screw hole is opened at the center position of the fixing seat, the receiving groove is opened in the fixing seat and is located at the side position of the No. 1 screw hole, the movable block is movably installed in the receiving groove, the positioning rod is fixedly connected to the movable block, the screw is fixedly connected to the base, and the positioning column is movably installed on the screw.

[0007] Preferably, the mounting assembly further comprises a positioning hole and a rubber ring, the positioning hole is formed on the connecting seat, the rubber ring is fixedly connected to the positioning rod, and the positioning rod and the rubber ring are movably connected in the positioning hole.

[0008] Preferably, the mounting assembly further includes a movable groove and a connecting rod, the movable groove is provided on the fixing seat, and the movable groove and the receiving groove are interconnected, the connecting rod is fixedly connected to the movable block, and the connecting rod is movably mounted in the movable groove.

[0009] Preferably, the mounting assembly further includes a spring and a push ring, the spring is movably mounted in the receiving groove, the spring is located at a side position of the movable block, the push ring is located at an outer position of the fixed seat, and the connecting rod is fixedly connected to the push ring.

[0010] Preferably, the installation assembly also includes a handle and a No. 2 screw hole, the handle is fixedly connected to the positioning column, a No. 2 screw hole is opened in the positioning column, and the No. 2 screw hole passes through the handle, the positioning column is movably installed on the screw rod, and the positioning column can be movably installed in the No. 1 screw hole.

[0011] Preferably, the mounting assembly further includes a positioning nut, which is movably mounted on the screw rod and is located at a side position of the handle.

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

[0013] In the utility model, a thread is arranged on the cutter head through the installation assembly, and the cutter head thread is installed in the No. 1 screw hole. After the connecting seat is rotated and moved to a suitable position, the positioning rod and the rubber ring are inserted into the positioning hole of the connecting seat to fix the cutter head and complete the installation. The spring pushes the movable block and the positioning rod to the side, so that the positioning rod is not easy to move in the opposite direction, and the cutter head is installed more firmly, is not easily affected by vibration, and is not easy to loosen or fall off.

[0014] In the utility model, through the installation assembly, after the cutter head is installed, the handle is movably rotated to make the positioning column move. After the positioning column and the upper end of the cutter head contact each other, the rotation of the positioning column is stopped, and then the positioning nut is moved sideways so that the positioning nut restricts the positioning column, thereby marking the installation position of the cutter head. After the cutter head of the same specification is installed subsequently, the positioning hole of the connecting seat is easier to locate, and installation and disassembly are more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the cutter head of the utility model;

[0017] Figure 3 It is a cross-sectional structural schematic diagram of the fixing seat of the utility model;

[0018] Figure 4 This is a schematic diagram of the split structure of the positioning column of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the push ring, the fixing seat and the positioning column of the utility model.

[0020] In the figure: 1. knife holder; 2. knife head; 3. installation assembly; 301. connecting seat; 302. positioning hole; 303. base; 304. connecting block; 305. fixing seat; 306. screw hole No. 1; 307. storage slot; 308. movable slot; 309. movable block; 310. spring; 311. connecting rod; 312. pushing ring; 313. positioning rod; 314. rubber ring; 315. positioning column; 316. handle; 317. screw hole No. 2; 318. screw rod; 319. positioning nut. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, a milling machine with an easy-to-replace cutter head comprises a cutter seat 1, a cutter head 2 is fixedly connected to the upper position of the cutter seat 1, the cutter seat 1 and the cutter head 2 are fixedly connected via a mounting assembly 3, the mounting assembly 3 comprises a connecting seat 301, a base 303, a connecting block 304, a fixing seat 305, a No. 1 screw hole 306, a receiving groove 307, a movable block 309, a positioning rod 313, a positioning column 315 and a screw rod 318, the connecting seat 301 is fixedly connected to the cutter head 2, the base 303 is fixedly connected to the cutter seat 1, the fixing seat 305 is located at the upper position of the base 303, and the connecting block 304 is fixedly connected to the fixing seat 30 5 and the base 303, the first screw hole 306 is opened at the center of the fixing seat 305, the storage groove 307 is opened in the fixing seat 305 and is located at the side of the first screw hole 306, the movable block 309 is movably installed in the storage groove 307, the positioning rod 313 is fixedly connected to the movable block 309, the installation component 3 also includes a positioning hole 302 and a rubber ring 314, the positioning hole 302 is opened on the connecting seat 301, the rubber ring 314 is fixedly connected to the positioning rod 313, the positioning rod 313 and the rubber ring 314 are movably connected in the positioning hole 302, and the installation component 3 also includes a movable groove 3 08 and connecting rod 311, the movable groove 308 is opened on the fixed seat 305, and the movable groove 308 is connected to the storage groove 307, the connecting rod 311 is fixedly connected to the movable block 309, and the connecting rod 311 is movably installed in the movable groove 308. The installation component 3 also includes a spring 310 and a push ring 312, the spring 310 is movably installed in the storage groove 307, the spring 310 is located at the side position of the movable block 309, and the push ring 312 is located at the outer position of the fixed seat 305. The connecting rod 311 is fixedly connected to the push ring 312, and the push ring 312 moves on the outer side of the fixed seat 305. The push ring 312 drives the connecting block 304 to move synchronously, the connecting block 304 compresses the spring 310, the positioning rod 313 and the rubber ring 314 are stored in the storage groove 307, and then the cutter head 2 is threadedly connected in the No. 1 screw hole 306, after the connecting seat 301 is rotated to a suitable position, the positioning hole 302 of the connecting seat 301 and the positioning rod 313 correspond to each other, and the pushing circle 312 is released, so that the connecting block 304 and the positioning rod 313 move in the opposite direction, and the positioning rod 313 and the rubber ring 314 are reversely inserted into the positioning hole 302 of the connecting seat 301, so that the installation of the connecting seat 301 is more stable and not easily loosened by vibration.

[0023] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the screw rod 318 is fixedly connected to the base 303, the positioning column 315 is movably installed on the screw rod 318, the installation component 3 also includes a handle 316 and a second screw hole 317, the handle 316 is fixedly connected to the positioning column 315, the positioning column 315 is provided with a second screw hole 317, and the second screw hole 317 passes through the handle 316, the positioning column 315 is movably installed on the screw rod 318, the positioning column 315 can be movably installed in the first screw hole 306, the installation component 3 also includes a positioning nut 319, the positioning nut 319 is movably installed in the first screw hole 306, and the installation component 3 also includes a positioning nut 319. It is dynamically installed on the screw rod 318 and is located at the side position of the handle 316. When the handle 316 is rotated, the positioning column 315 moves on the screw rod 318. The positioning column 315 and the cutter head 2 are squeezed against each other. The positioning nut 319 is rotated sideways on the screw rod 318 to limit the positioning column 315. The positioning column 315 marks the installation position of the cutter head 2. After the cutter head 2 of the same specification is installed subsequently, when the cutter head 2 and the positioning column 315 contact each other, the positioning hole 302 on the connecting seat 301 is naturally aligned with the positioning rod 313, so that the cutter head 2 is easy to install.

[0024] It should be noted that the utility model is a milling machine with an easy-to-replace cutter head. The cutter head 2 is engraved with a thread at the side position of the connecting seat 301. The cutter head 2 is installed in the No. 1 screw hole 306 of the fixing seat 305 by rotating the thread. The pushing ring 312 is pushed to the side, and the pushing ring 312 moves flexibly at the outer position of the fixing seat 305. The pushing ring 312 drives the connecting rod 311 and the connecting block 304 to move to the side. The connecting block 304 moves to the side to compress the spring 310. The positioning rod 313 and the rubber ring 314 on the connecting block 304 are also The cutter head 2 is threadedly connected to the No. 1 screw hole 306, and the connecting seat 301 moves synchronously. When the connecting seat 301 is rotated to a suitable position, the positioning hole 302 of the connecting seat 301 corresponds to the positioning rod 313, and the pushing ring 312 is released, so that the compressed spring 310 is restored to open, and the connecting block 304 and the positioning rod 313 are pushed to move in the opposite direction, so that the positioning rod 313 is inserted into the positioning hole 302 of the connecting seat 301 in the opposite direction, and the rubber ring 314 on the positioning rod 313 moves synchronously, and the rubber ring 31 As the positioning rod 313 is inserted into the positioning hole 302, the gap between the positioning rod 313 and the positioning hole 302 is filled by the rubber ring 314, so that the installation of the connecting seat 301 is more stable. Since the spring 310 pushes the positioning rod 313 to move, the positioning rod 313 is not easily affected by vibration and moves in the opposite direction, and the installation is more stable. Then, the handle 316 is rotated to make the positioning column 315 move on the screw rod 318 through the second screw hole 317. The positioning column 315 and the cutter head 2 are pressed against each other, and then the positioning nut 319 is movably installed on the screw rod 318. The positioning nut 319 limits the positioning column 315, and the installation position of the cutter head 2 is marked by the positioning column 315. After the cutter head 2 of the same specification is installed subsequently, when the cutter head 2 rotates and moves to the position of the positioning column 315, the positioning hole 302 on the connecting seat 301 is naturally aligned with the positioning rod 313, making the installation of the connecting seat 301 more convenient. When disassembling, you only need to move the pushing ring 312 in the opposite direction to move the positioning rod 313 out of the positioning hole 302, and the cutter head 2 rotates in the opposite direction to move out of the fixing seat 305, making the installation and disassembly of the cutter head 2 more convenient.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It is only a preferred embodiment of the utility model, and its description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The embodiments can be changed, modified, replaced and deformed without departing from the principle and purpose of the utility model. These changes and improvements 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 milling machine with a tool head that is easy to replace, comprising a tool holder (1), wherein a tool head (2) is fixedly connected to the upper position of the tool holder (1), characterized in that: The knife seat (1) and the knife head (2) are fixedly connected via a mounting assembly (3), wherein the mounting assembly (3) comprises a connecting seat (301), a base (303), a connecting block (304), a fixing seat (305), a No. 1 screw hole (306), a receiving slot (307), a movable block (309), a positioning rod (313), a positioning column (315) and a screw rod (318), wherein the connecting seat (301) is fixedly connected to the knife head (2), the base (303) is fixedly connected to the knife seat (1), the fixing seat (305) is located above the base (303), and the The connecting block (304) is fixedly connected between the fixing seat (305) and the base (303); the No. 1 screw hole (306) is provided at the center of the fixing seat (305); the receiving groove (307) is provided in the fixing seat (305) and is located at the side of the No. 1 screw hole (306); the movable block (309) is movably installed in the receiving groove (307); the positioning rod (313) is fixedly connected to the movable block (309); the screw rod (318) is fixedly connected to the base (303); and the positioning column (315) is movably installed on the screw rod (318).

2. A milling machine with easily replaceable cutter head according to claim 1, characterized in that: The mounting assembly (3) further comprises a positioning hole (302) and a rubber ring (314); the positioning hole (302) is formed on the connecting seat (301); the rubber ring (314) is fixedly connected to the positioning rod (313); the positioning rod (313) and the rubber ring (314) are movably connected in the positioning hole (302).

3. A milling machine with easily replaceable cutter head according to claim 2, characterized in that: The mounting assembly (3) further comprises a movable groove (308) and a connecting rod (311); the movable groove (308) is provided on the fixing seat (305), and the movable groove (308) and the receiving groove (307) are communicated with each other; the connecting rod (311) is fixedly connected to the movable block (309), and the connecting rod (311) is movably mounted in the movable groove (308).

4. A milling machine with easily replaceable cutter head according to claim 3, characterized in that: The mounting assembly (3) further comprises a spring (310) and a pushing ring (312); the spring (310) is movably mounted in the receiving groove (307); the spring (310) is located on the side of the movable block (309); the pushing ring (312) is located on the outside of the fixed seat (305); and the connecting rod (311) is fixedly connected to the pushing ring (312).

5. A milling machine with easily replaceable cutter head according to claim 4, characterized in that: The mounting assembly (3) further comprises a handle (316) and a No. 2 screw hole (317); the handle (316) is fixedly connected to the positioning column (315); a No. 2 screw hole (317) is provided in the positioning column (315), and the No. 2 screw hole (317) passes through the handle (316); the positioning column (315) is movably mounted on the screw rod (318); and the positioning column (315) can be movably mounted in the No. 1 screw hole (306).

6. A milling machine with easily replaceable cutter head according to claim 5, characterized in that: The mounting assembly (3) further comprises a positioning nut (319), wherein the positioning nut (319) is movably mounted on the screw rod (318) and is located at a side position of the handle (316).

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