A positioning high-speed and high-hardness tungsten steel milling cutter assembly

Abstract

The present invention relates to the field of milling cutter technology, and in particular to a positioning type high-speed and high-hardness tungsten steel milling cutter disc assembly. The positioning type high-speed and high-hardness tungsten steel milling cutter disc assembly comprises: a connecting shaft, and a cutter disc integrally formed at the bottom end of the connecting shaft, the outer side of the cutter disc is evenly provided with a plurality of chip removal grooves, and one side of the plurality of chip removal grooves is provided with a mounting groove; a milling cutter assembly is arranged in the mounting groove, and the milling cutter assembly comprises a cutter steering column, the cutter steering column is rotatably installed in the mounting groove, and a mounting block is fixedly installed on the cutter steering column, and a plurality of tungsten steel blades are arranged on the mounting block; a positioning clamping sleeve is used to position and clamp a plurality of tungsten steel blades in the mounting groove, and the positioning clamping sleeve is installed on the chip removal groove by screws. The positioning type high-speed and high-hardness tungsten steel milling cutter disc assembly provided by the present invention has the advantages of convenient blade switching and long service life.

Description

Technical Field

[0001] The invention relates to the technical field of milling cutters, and in particular to a positioning type high-speed and high-hardness tungsten steel milling cutter disc assembly. Background Art

[0002] The milling cutter disc is a tool used to mill the plane of the workpiece during machining. Because it is larger than ordinary milling cutters and shaped like a disc, it is called a milling cutter disc. The milling cutter disc is generally installed with a non-reground inlaid carbide blade. The milling cutter disc is installed on the spindle of the milling machine to mill the plane of the workpiece.

[0003] When installing the milling cutter on the existing milling cutter disc, the milling cutter is mostly installed in a positioning manner using a positioning block. The milling cutter of this milling cutter disc has a single inclination angle and cannot be quickly replaced according to different processing characteristics.

[0004] Therefore, it is necessary to provide a new positioning high-speed high-hardness tungsten steel milling cutter disc assembly to solve the above-mentioned technical problems. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a positioning type high-speed and high-hardness tungsten steel milling cutter disc assembly which is convenient for blade switching and has a long service life.

[0006] The positioning high-speed high-hardness tungsten steel milling cutter disc assembly provided by the present invention comprises: a connecting shaft, and a cutter disc integrally formed at the bottom end of the connecting shaft, a plurality of chip removal grooves are evenly opened on the outer side of the cutter disc, and a mounting groove is opened on one side of the plurality of chip removal grooves;

[0007] A milling cutter assembly is arranged in the mounting groove, and the milling cutter assembly includes a cutter steering column, the cutter steering column is rotatably mounted in the mounting groove, and a mounting block is fixedly mounted on the cutter steering column, and a plurality of tungsten steel blades are arranged on the mounting block, a driving gear is fixedly mounted on the top of the cutter steering column through the mounting groove, a transmission gear is rotatably mounted on the upper surface of the cutter disc at one side of the driving gear, and the transmission gear is meshed with the driving gear, and an adjusting gear is rotatably mounted on the connecting shaft, and the adjusting gear is meshed with the transmission gear;

[0008] A positioning clamping sleeve, used for positioning and clamping a plurality of tungsten steel blades in the mounting groove, wherein the positioning clamping sleeve is mounted on the chip removal groove by screws;

[0009] The outer side of the cutter disc is provided with a slide groove between the two chip removal grooves, and a grinding assembly is slidably installed in the slide groove. The grinding assembly includes a fine grinding block, the fine grinding block is slidably installed in the slide groove, and a driving rod is fixedly installed at one end of the fine grinding block, and a transmission rod is threadedly installed at one end of the driving rod passing through the slide groove, and a plurality of limit clamps are installed on the bottom end of the cutter disc through screws, and an adjustment plate is rotatably installed on the plurality of limit clamps together, an arc groove is provided on the adjustment plate to slide with the transmission rod, and a plurality of positioning screw holes are provided on the adjustment plate, and screws threadedly connected to the positioning screw holes are threadedly installed on the limit clamp.

[0010] Preferably, a plurality of blade slots are provided on the outer side of the mounting block, a through slot is provided on one side of the blade slot, a plurality of tungsten steel blades are provided, the plurality of tungsten steel blades are respectively installed in the plurality of blade slots, and a positioning slot is provided on one side of the plurality of tungsten steel blades, a positioning block is installed in the through slot by means of screws, and the positioning block is plugged into the positioning slot.

[0011] Preferably, the geometric angles of the plurality of tungsten steel blades increase sequentially in a counterclockwise direction along the axis of the cutter steering column.

[0012] Preferably, the positioning clamping sleeve includes a U-shaped connecting portion, the U-shaped connecting portion is installed in the chip removal groove by screws, a clamping sleeve is fixedly connected to one side of the U-shaped connecting portion, the inner wall of the clamping sleeve is slidably matched with the outer wall of the mounting block, and a plurality of limit grooves are opened on the clamping sleeve, and the limit grooves are plug-fitted with the tungsten steel blade.

[0013] Preferably, a cooling assembly is installed on the connecting shaft, and the cooling assembly includes a cooling water trough, and the cooling water trough is installed on the outer side of the upper surface of the connecting shaft by screws, and the cooling water trough is connected to a plurality of liquid guide tubes, and the end of the liquid guide tube facing away from the cooling water trough is connected to a branch pipe, and one end of the branch pipe is connected to a liquid guide hole provided on the cutter steering column, and a drainage hole connected to the liquid guide hole is provided on the outer side wall of the cutter steering column, and a drainage trough aligned with the drainage hole is provided on the cutter disc.

[0014] Preferably, a plurality of cooling channels are provided on the cutter disc, and one end of the plurality of cooling channels is connected to the branch pipe.

[0015] Preferably, a slot cover is rotatably mounted on the top of the cooling water slot, a liquid inlet pipe is embedded on the slot cover, and sealing rings are embedded on both inner and outer sides of the slot cover.

[0016] Compared with the related art, the positioning type high speed and high hardness tungsten steel milling cutter assembly provided by the present invention has the following advantages:

[0017] Beneficial effects:

[0018] 1. The present invention provides a positioning type high-speed high-hardness tungsten steel milling cutter disc assembly. By arranging the milling cutter assembly on the mounting groove, the milling cutter assembly utilizes the cooperation of the cutter steering column, the mounting block, the tungsten steel blade, the positioning block, the driving gear, the transmission gear, the adjusting gear, the blade slot, the through slot, the positioning slot, the liquid guide hole, the liquid discharge hole and the positioning clamp sleeve to realize the overall rapid switching of the blade;

[0019] 2. By setting up a grinding assembly, the grinding assembly uses the cooperation of a fine grinding block, a driving rod, a limit clamping plate, an adjustment plate, a transmission rod, an arc groove and a positioning screw hole to further grind after milling, making the milling surface smoother;

[0020] 3. By setting a cooling component on the connecting shaft, the cooling component uses the cooperation of a cooling water trough, a liquid guide pipe, a branch pipe, a trough cover, a liquid inlet pipe and a sealing ring to fully cool the milling cutter and the workpiece during milling, thereby avoiding wear of the tool due to high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A structural schematic diagram of a preferred embodiment of a positioning high-speed and high-hardness tungsten steel milling cutter assembly provided by the present invention;

[0022] Figure 2 A schematic diagram of the structure of a cutter disc of a positioning type high-speed and high-hardness tungsten steel milling cutter disc assembly provided by the present invention;

[0023] Figure 3 A schematic diagram of the exploded structure of the milling cutter assembly provided by the present invention;

[0024] Figure 4 A schematic diagram of the structure of the positioning card fixing sleeve provided by the present invention;

[0025] Figure 5 A schematic diagram of the structure of the grinding assembly provided by the present invention;

[0026] Figure 6 A schematic structural diagram of a grinding assembly provided by the present invention from another perspective;

[0027] Figure 7 This is a schematic structural diagram of the cooling assembly provided by the present invention.

[0028] Numbers in the figure: 1, connecting shaft; 2, cutter head; 201, chip removal groove; 202, mounting groove; 203, slide groove; 204, drainage groove; 205, cooling channel; 3, milling cutter assembly; 31, cutter steering column; 32, mounting block; 33, tungsten steel blade; 34, positioning block; 35, driving gear; 36, transmission gear; 37, adjusting gear; 301, blade groove; 302, through groove; 303, positioning groove; 304, liquid guide hole; 305, drainage hole; 4, positioning clamp sleeve; 41, U-shaped connecting part; 42, clamp sleeve; 401, limiting groove; 5, grinding assembly; 51, fine grinding block; 52, driving rod; 53, limiting clamp plate; 54, adjusting plate; 55, transmission rod; 501, arc groove; 502, positioning screw hole; 6, cooling assembly; 61, cooling water trough; 62, liquid guide tube; 63, branch pipe; 64, trough cover; 641, liquid inlet pipe; 65, sealing ring. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0031] See also Figures 1 to 7 The embodiment of the present invention provides a positioning type high-speed high-hardness tungsten steel milling cutter disc assembly, and the positioning type high-speed high-hardness tungsten steel milling cutter disc assembly includes:

[0032] A connecting shaft 1, and a cutter disc 2 integrally formed at the bottom end of the connecting shaft 1, wherein a plurality of chip removal grooves 201 are evenly formed on the outer side of the cutter disc 2, and a mounting groove 202 is formed on one side of the plurality of chip removal grooves 201;

[0033] The milling cutter assembly 3 is arranged in the installation groove 202, and the milling cutter assembly 3 includes a cutter steering column 31, the cutter steering column 31 is rotatably installed in the installation groove 202, and a mounting block 32 is fixedly installed on the cutter steering column 31, and a plurality of tungsten steel blades 33 are arranged on the mounting block 32. The top of the cutter steering column 31 passes through the installation groove 202 and is fixedly installed with a driving gear 35. The upper surface of the cutter disc 2 is located on one side of the driving gear 35 and is rotatably installed with a transmission gear 36, and the transmission gear 36 is meshed with the driving gear 35. An adjusting gear 37 is rotatably installed on the connecting shaft 1, and the adjusting gear 37 is meshed with the transmission gear 36.

[0034] The positioning and fixing sleeve 4 is used to position and fix a plurality of tungsten steel blades 33 in the mounting groove 202. The positioning and fixing sleeve 4 is installed on the chip removal groove 201 by screws.

[0035] It should be noted that:.

[0036] In the embodiments of the present invention, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The outer side of the mounting block 32 is provided with a plurality of blade slots 301, one side of the blade slot 301 is provided with a through slot 302, a plurality of tungsten steel blades 33 are provided, the plurality of tungsten steel blades 33 are respectively installed in the plurality of blade slots 301, and one side of the plurality of tungsten steel blades 33 is provided with a positioning slot 303, a positioning block 34 is installed in the through slot 302 by means of a screw, and the positioning block 34 is plugged into and matched with the positioning slot 303;

[0037] It should be noted that: when in use, the connecting shaft 1 is connected to the rotating shaft of the milling machine. When the blade needs to be switched, the restriction of the positioning clamping sleeve 4 is released, and then the adjusting gear 37 is rotated, and the adjusting gear 37 is meshed with the transmission gear 36, thereby synchronously driving the transmission gear 36 to rotate, and the transmission gear 36 is meshed with the driving gear 35, thereby driving the driving gear 35 to rotate. When the driving gear 35 rotates, it drives the cutter steering column 31 to rotate, thereby driving the mounting block 32 to switch different tungsten steel blades 33 to the milling station, and then the positioning clamping sleeve 4 is reinstalled in the chip groove 201 by screws, and the tungsten steel blade 33 is positioned and clamped, and milling is performed;

[0038] In the present embodiment, the geometric angles of the plurality of tungsten steel blades 33 increase in sequence in the counterclockwise direction along the axis of the cutter steering column 31 , so that it is convenient to use tungsten steel blades 33 of different specifications and models to process workpieces of different materials.

[0039] In the embodiments of the present invention, please refer to Figure 1 and Figure 4 The positioning clamping sleeve 4 includes a U-shaped connecting portion 41, which is installed in the chip removal groove 201 by screws. A clamping sleeve 42 is fixedly connected to one side of the U-shaped connecting portion 41. The inner wall of the clamping sleeve 42 is slidably matched with the outer wall of the mounting block 32, and a plurality of limiting grooves 401 are opened on the clamping sleeve 42, and the limiting grooves 401 are plug-fitted with the tungsten steel blade 33.

[0040] It should be noted that the positioning clamping sleeve 4 is installed in the chip groove 201 using the U-shaped connecting portion 41. During installation, the tungsten steel blade 33 is limited and fixed using the limiting groove 401 of the clamping sleeve 42, thereby preventing the mounting block 32 from rotating, making it easier for the tungsten steel blade 33 to perform stable milling.

[0041] In the embodiments of the present invention, please refer to Figure 1 , Figure 2, Figure 5 and Figure 6 A slide groove 203 is provided on the outer side of the cutter disc 2 between the two chip grooves 201, a grinding assembly 5 is slidably installed in the slide groove 203, and the grinding assembly 5 includes a fine grinding block 51, the fine grinding block 51 is slidably installed in the slide groove 203, and a driving rod 52 is fixedly installed on one end of the fine grinding block 51, and a transmission rod 55 is threadedly installed on one end of the driving rod 52 passing through the slide groove 203, and a plurality of limit clamping plates 53 are installed on the bottom end of the cutter disc 2 by screws, and an adjusting plate 54 is rotatably installed on the plurality of limit clamping plates 53, and a circular arc groove 501 is provided on the adjusting plate 54 to slide with the transmission rod 55;

[0042] The adjusting plate 54 is provided with a plurality of positioning screw holes 502 , and the limiting clamping plate 53 is threadedly mounted with screws threadedly connected to the positioning screw holes 502 .

[0043] It should be noted that: after milling, when grinding is required, the restriction of the screw on the limit clamp 53 on the adjustment plate 54 is released, and then the adjustment plate 54 is rotated, and the arc groove 501 cooperates with the transmission rod 55 to drive the driving rod 52 to move along the slide groove 203, thereby driving the fine grinding block 51 to extend along the slide groove 203, so that when the connecting shaft 1 drives the cutter disc 2 to rotate, the fine grinding block 51 is driven to rotate to grind the workpiece.

[0044] In the embodiments of the present invention, please refer to Figure 1 , Figure 2 and Figure 7 A cooling assembly 6 is installed on the connecting shaft 1, and the cooling assembly 6 includes a cooling water tank 61, and the cooling water tank 61 is installed on the outer side of the upper surface of the connecting shaft 1 by screws, and the cooling water tank 61 is connected with a plurality of liquid guide tubes 62, and the end of the liquid guide tube 62 away from the cooling water tank 61 is connected with a branch pipe 63, and one end of the branch pipe 63 is connected with a liquid guide hole 304 provided on the cutter steering column 31, and the outer wall of the cutter steering column 31 is provided with a drainage hole 305 connected with the drainage hole 304, and the cutter disc 2 is provided with a drainage tank 204 aligned with the drainage hole 305;

[0045] The cutter disc 2 is provided with a plurality of cooling channels 205, one end of each of which is connected to the branch pipe 63, a slot cover 64 is rotatably mounted on the top of the cooling water slot 61, a liquid inlet pipe 641 is embedded in the slot cover 64, and sealing rings 65 are embedded on both the inner and outer sides of the slot cover 64.

[0046] It should be noted that: when the cooling component 6 is in use, the liquid inlet pipe 641 is connected to the external coolant supply device, and then the coolant flows from the liquid inlet pipe 641 into the cooling water tank 61, and then the coolant in the cooling water tank 61 flows into the liquid guide hole 304 through the liquid guide pipe 62 and the branch pipe 63, and then is discharged from the drain hole 305 to cool the tungsten steel blade 33 in the mounting groove 202, and further the coolant in the branch pipe 63 flows into the cooling channel 205, and then flows from the cooling channel 205 to the cutter disc 2 for further cooling, which is convenient for high-speed milling.

[0047] The working principle of the positioning high-speed high-hardness tungsten steel milling cutter assembly provided by the present invention is as follows:

[0048] When in use, the connecting shaft 1 is connected to the rotating shaft of the milling machine. When the blade needs to be switched, the restriction of the positioning clamping sleeve 4 is released, and then the adjusting gear 37 is rotated, and the adjusting gear 37 is meshed with the transmission gear 36, thereby synchronously driving the transmission gear 36 to rotate, and the transmission gear 36 is meshed with the driving gear 35, thereby driving the driving gear 35 to rotate. When the driving gear 35 rotates, it drives the cutter steering column 31 to rotate, thereby driving the mounting block 32 to switch different tungsten steel blades 33 to the milling station, and then the positioning clamping sleeve 4 is reinstalled in the chip groove 201 by screws, and the tungsten steel blade 33 is positioned and clamped, and milling is performed;

[0049] After milling, when grinding is required, the screw on the limit clamping plate 53 is released to limit the adjustment plate 54, and then the adjustment plate 54 is rotated. In the cooperation between the arc groove 501 and the transmission rod 55, the transmission rod 55 drives the driving rod 52 to move along the slide groove 203, thereby driving the fine grinding block 51 to extend along the slide groove 203. When the connecting shaft 1 drives the cutter head 2 to rotate, the fine grinding block 51 is driven to rotate to grind the workpiece. During milling and grinding, the liquid inlet pipe 641 is It is connected to an external coolant supply device, and then the coolant flows into the cooling water tank 61 from the liquid inlet pipe 641, and then the coolant in the cooling water tank 61 flows into the liquid guide hole 304 through the liquid guide pipe 62 and the branch pipe 63, and then is discharged from the liquid discharge hole 305 to cool the tungsten steel blade 33 in the mounting groove 202. Further, the coolant in the branch pipe 63 flows into the cooling channel 205, and then flows from the cooling channel 205 to the cutter disc 2 for further cooling, which is convenient for high-speed milling.

[0050] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A positioning high-speed and high-hardness tungsten steel milling cutter assembly, comprising: A connecting shaft (1), and a cutter disc (2) integrally formed at the bottom end of the connecting shaft (1), wherein a plurality of chip removal grooves (201) are evenly arranged on the outer side of the cutter disc (2), and a mounting groove (202) is arranged on one side of the plurality of chip removal grooves (201); It is characterized by further comprising: A milling cutter assembly (3) is arranged in the mounting groove (202), and the milling cutter assembly (3) includes a cutter steering column (31), the cutter steering column (31) is rotatably mounted in the mounting groove (202), and a mounting block (32) is fixedly mounted on the cutter steering column (31), and a plurality of tungsten steel blades (33) are arranged on the mounting block (32), and a driving gear (35) is fixedly mounted on the top of the cutter steering column (31) through the mounting groove (202), and a transmission gear (36) is rotatably mounted on the upper surface of the cutter disc (2) at one side of the driving gear (35), and the transmission gear (36) is meshed with the driving gear (35), and an adjusting gear (37) is rotatably mounted on the connecting shaft (1), and the adjusting gear (37) is meshed with the transmission gear (36); A positioning clamping sleeve (4) for positioning and clamping a plurality of tungsten steel blades (33) in the mounting groove (202); the positioning clamping sleeve (4) is mounted on the chip removal groove (201) by means of screws; The outer side of the cutter disc (2) is provided with a slide groove (203) between the two chip removal grooves (201), a grinding assembly (5) is slidably mounted in the slide groove (203), the grinding assembly (5) comprises a fine grinding block (51), the fine grinding block (51) is slidably mounted in the slide groove (203), a driving rod (52) is fixedly mounted on one end of the fine grinding block (51), and a transmission rod is threadedly mounted on one end of the driving rod (52) passing through the slide groove (203). (55), a plurality of limit clamping plates (53) are installed at the bottom end of the cutter disc (2) by means of screws, an adjusting plate (54) is installed on the plurality of limit clamping plates (53) for co-rotation, the adjusting plate (54) is provided with an arc groove (501) for slidingly cooperating with the transmission rod (55), the adjusting plate (54) is provided with a plurality of positioning screw holes (502), and screws threadedly connected with the positioning screw holes (502) are threadedly installed on the limit clamping plates (53).

2. The positioning high-speed and high-hardness tungsten steel milling cutter assembly according to claim 1 is characterized in that: The outer side of the mounting block (32) is provided with a plurality of blade slots (301), one side of the blade slot (301) is provided with a through slot (302), a plurality of tungsten steel blades (33) are provided, the plurality of tungsten steel blades (33) are respectively installed in the plurality of blade slots (301), and one side of the plurality of tungsten steel blades (33) is provided with a positioning slot (303), a positioning block (34) is installed in the through slot (302) by means of a screw, and the positioning block (34) is plugged into and matched with the positioning slot (303).

3. The positioning high-speed and high-hardness tungsten steel milling cutter assembly according to claim 2 is characterized in that: The geometric angles of the plurality of tungsten steel blades (33) increase in sequence in a counterclockwise direction along the axis of the cutter steering column (31).

4. The positioning high-speed and high-hardness tungsten steel milling cutter assembly according to claim 1 is characterized in that: The positioning clamping sleeve (4) comprises a U-shaped connecting portion (41), the U-shaped connecting portion (41) is installed in the chip removal groove (201) by means of screws, a clamping sleeve (42) is fixedly connected to one side of the U-shaped connecting portion (41), the inner side wall of the clamping sleeve (42) is slidably matched with the outer side wall of the mounting block (32), and a plurality of limiting grooves (401) are provided on the clamping sleeve (42), and the limiting grooves (401) are plug-fitted with the tungsten steel blade (33).

5. The positioning high-speed and high-hardness tungsten steel milling cutter assembly according to claim 1 is characterized in that: A cooling assembly (6) is installed on the connecting shaft (1), and the cooling assembly (6) comprises a cooling water trough (61). The cooling water trough (61) is installed on the outer side of the upper surface of the connecting shaft (1) by means of screws, and the cooling water trough (61) is connected to a plurality of liquid guide tubes (62), one end of the liquid guide tube (62) away from the cooling water trough (61) is connected to a branch tube (63), one end of the branch tube (63) is connected to a liquid guide hole (304) provided on the cutter steering column (31), a liquid discharge hole (305) connected to the liquid discharge hole (304) is provided on the outer wall of the cutter steering column (31), and a liquid discharge trough (204) aligned with the liquid discharge hole (305) is provided on the cutter disc (2).

6. The positioning high-speed and high-hardness tungsten steel milling cutter assembly according to claim 5 is characterized in that: The cutter disc (2) is provided with a plurality of cooling channels (205), and one end of the plurality of cooling channels (205) is connected to the branch pipe (63).

7. The positioning high-speed and high-hardness tungsten steel milling cutter assembly according to claim 5 is characterized in that: A tank cover (64) is rotatably mounted on the top of the cooling water tank (61), a liquid inlet pipe (641) is embedded in the tank cover (64), and sealing rings (65) are embedded on both the inner and outer sides of the tank cover (64).

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