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CN-121989061-A - Clamping tool for hard alloy milling cutter

CN121989061ACN 121989061 ACN121989061 ACN 121989061ACN-121989061-A

Abstract

The invention discloses a clamping tool for a hard alloy milling cutter, which belongs to the technical field of cutter clamping and comprises a milling cutter, wherein a collet is arranged on the outer wall of the milling cutter, and by the design, the cooling assembly is arranged in the milling cutter, so that air flow can enter the installation shell in the rotating process through an air deflector, and can flow out of an air outlet cover under the action of an air deflector, and the surface of the milling cutter can be blown through the flowing air flow, so that the milling cutter can be cooled to a certain extent under the condition that cutting fluid is not used, and in the using process, a connecting column and the air deflector can be pushed to rotate through rotating a connecting ring, so that the sufficient air flow can enter the installation shell through changing the angle of the air deflector, the corresponding effect can be ensured, and the air deflector can be closed when the cutting fluid is used, so that the influence of the air flow on the cutting fluid is reduced.

Inventors

  • TANG XIAOBIN

Assignees

  • 成都联翔新材料有限公司

Dates

Publication Date
20260508
Application Date
20260407

Claims (10)

  1. 1. The clamping tool for the hard alloy milling cutter comprises a milling cutter (1), wherein a collet (5) is arranged on the outer wall of the milling cutter (1), and is characterized by further comprising: The cooling assembly (3), the cooling assembly (3) comprises a mounting seat (306) sleeved on the outer wall of a cutter bar of the milling cutter (1), an air guide strip (307) is arranged on the outer wall of the mounting seat (306), an air guide groove (308) is formed in the outer wall of the mounting seat (306), and the air guide groove (308) is communicated with a through hole in the mounting seat (306) corresponding to the milling cutter (1); the installation shell (312), the installation shell (312) is installed outside the installation seat (306), a certain gap is formed between the installation shell (312) and the installation seat (306), and the air guide strip (307) is positioned in the gap; The air deflector (310) is hinged to an air inlet formed above the mounting shell (312), and a connecting column (311) is arranged on one side of the air deflector (310); the air outlet cover (309), the air outlet cover (309) is installed in the air outlet department that outer wall was established below installation shell (312), and air outlet cover (309) bottom is equipped with the air outlet.
  2. 2. Clamping fixture for a cemented carbide milling cutter according to claim 1, characterized in that the cooling assembly (3) further comprises: The connecting ring (304), the connecting ring (304) is rotationally sleeved on the outer wall of the top end of the mounting shell (312), an extrusion groove (305) is formed in the connecting ring (304), the connecting column (311) is slidably arranged in the extrusion groove (305), and when the connecting ring (304) rotates, the connecting column (311) can be extruded through the extrusion groove (305) to drive the air deflector (310) to rotate; The installation ring (303), installation ring (303) set up in go-between (304) top, slider (301) is installed to installation ring (303) outer wall, second spring (313) are installed to installation ring (303) top surface, and second spring (313) are corresponding with slider (301), pinion rack (302) are installed to installation ring (303) bottom, and go-between (304) outer wall be equipped with the corresponding tooth of pinion rack (302), through the meshing between pinion rack (302) and the tooth to carry out spacing to go-between (304).
  3. 3. The clamping fixture of a cemented carbide milling cutter according to claim 1, further comprising: The fixing assembly (2), the fixing assembly (2) comprises an extrusion barrel (201) arranged at the bottom end of the mounting seat (306), a conical groove corresponding to the outer wall of the collet (5) is formed in the extrusion barrel (201), a rubber sleeve (202) is sleeved on the outer wall of the extrusion barrel (201), and the rubber sleeve (202) penetrates through an opening formed in the extrusion barrel (201) to be in contact with the outer wall of the collet (5); The locking sleeve (209), screw thread that lock sleeve (209) set up through the recipient (201) outer wall and recipient (201) threaded connection, and lock sleeve (209) bottom be equipped with collet chuck (5) bottom corresponding dog, through being connected between lock sleeve (209) and recipient (201) to extrude collet chuck (5), and then make collet chuck (5) press from both sides milling cutter (1).
  4. 4. A clamping fixture for a cemented carbide milling cutter according to claim 3, characterized in that the fixing assembly (2) further comprises: the fixing plate (206), the fixing plate (206) is slidably mounted in a chute formed in the locking sleeve (209), one side of the fixing plate (206) is provided with the fixing ring (203), and the fixing ring (203) is slidably connected with the locking sleeve (209) through a chute formed in the outer wall of the locking sleeve (209); The first spring (204), first spring (204) is installed on fixed plate (206) top, and first spring (204) are located lock sleeve (209) inside, and first spring (204) are in compression.
  5. 5. The clamping fixture of a cemented carbide milling cutter according to claim 4, wherein the fixing assembly (2) further comprises: A fixing column (207), wherein the fixing column (207) is installed on one side of the fixing plate (206); the first extrusion plate (208), first extrusion plate (208) slidable mounting is at fixed column (207) outer wall, and lock sleeve (209) inner wall is equipped with the opening corresponding with first extrusion plate (208).
  6. 6. The clamping fixture of a cemented carbide milling cutter according to claim 5, wherein the fixing assembly (2) further comprises: The first plugboard (205), first plugboard (205) slidable mounting is in the inslot that lock sleeve (209) top was established, and first plugboard (205) set up between fixed plate (206) and first stripper plate (208), and first plugboard (205) one side is equipped with the inclined plane corresponding with first stripper plate (208), extrudees first stripper plate (208) through first plugboard (205) to extrude rubber sleeve (202).
  7. 7. The clamping fixture of a cemented carbide milling cutter according to claim 2, further comprising: The clamping assembly (4) comprises a conical cylinder (402) arranged at the top end of the mounting seat (306), a blind rivet (401) is arranged at the top end of the conical cylinder (402), the connecting ring (304) is in sliding connection with the conical cylinder (402) through a sliding groove formed in the bottom surface of the conical cylinder (402), and grooves corresponding to the mounting ring (303) and the toothed plate (302) are formed in the conical cylinder (402); The sliding frame (404), sliding frame (404) slidable mounting is inside cone (402), second stripper plate (405) are installed to sliding frame (404) outer wall.
  8. 8. The clamping fixture of a cemented carbide milling cutter according to claim 7, wherein the clamping assembly (4) further comprises: The pulling cap (403), the pulling cap (403) is installed at the top end of the sliding frame (404), the pulling cap (403) is arranged at the through hole formed in the top end of the conical cylinder (402) in a sliding manner, and the top end of the pulling cap (403) is attached to the notch formed in the bottom end of the pulling nail (401); rubber pad (406), rubber pad (406) inlay and establish in the recess that cone (402) outer wall was seted up and rubber pad (406) one side is corresponding with second stripper plate (405), through the extrusion of second stripper plate (405) to rubber pad (406) in order to make rubber pad (406) outwards extrude.
  9. 9. The clamping fixture of a cemented carbide milling cutter according to claim 7, wherein the clamping assembly (4) further comprises: the extrusion block (407) is slidably arranged in a groove formed in the boss surface at the bottom end of the cone (402); the second inserting plate (408), the second inserting plate (408) is slidably mounted in a chute formed in the cone (402), the bottom end of the extruding block (407) is provided with an inclined plane corresponding to the inclined plane at one end of the second inserting plate (408), and the extruding block (407) is extruded by the second inserting plate (408) to push the extruding block (407) to move upwards.
  10. 10. The clamping fixture of a cemented carbide milling cutter according to claim 9, wherein the clamping assembly (4) further comprises: The limiting column (409), the through groove is established at second picture peg (408) one end to limiting column (409), and limiting column (409) slip sets up in the chute that sets up in carriage (404) bottom, through the removal of carriage (404) to utilize the chute to extrude limiting column (409), and then drive limiting column (409) and second picture peg (408) removal.

Description

Clamping tool for hard alloy milling cutter Technical Field The invention belongs to the technical field of tool clamping, and particularly relates to a clamping tool of a hard alloy milling cutter. Background The milling cutter is a common cutter in machining, and can be used for carrying out metal cold machining on the surface of a workpiece in a plane, a groove or a complex shape through the rotation of the milling cutter so as to machine the workpiece into a required shape and a required size. In the course of milling cutter processing, because handle of a knife itself only provides the centre gripping effect, and the milling cutter arbor is located the handle of a knife inside, so in the course of processing the produced heat transfer of milling cutter cutting to the cutter arbor on can not timely dispel the heat, it can produce certain influence to the radiating effect of milling cutter itself to can produce certain influence to the processability of milling cutter, when the handle of a knife is fixed milling cutter simultaneously, because it is fixed milling cutter through the extrusion to the collet chuck, and in the course of processing, the collet chuck probably produces certain rotation and causes wearing and tearing, and then influence the life of collet chuck, and can produce certain influence to its fastening effect. Disclosure of Invention The invention aims to solve the problem that the heat dissipation of a milling cutter can be influenced to a certain extent due to the fact that a milling cutter bar is positioned in a cutter handle. In order to achieve the purpose, the invention adopts the following technical scheme that the clamping tool of the hard alloy milling cutter comprises a milling cutter, wherein the outer wall of the milling cutter is provided with a collet chuck, and the clamping tool further comprises: The cooling assembly comprises a mounting seat sleeved on the outer wall of the milling cutter arbor, an air guide strip is arranged on the outer wall of the mounting seat, an air guide groove is formed in the outer wall of the mounting seat, and the air guide groove is communicated with a through hole in the mounting seat corresponding to the milling cutter; the installation shell is installed on the outer side of the installation seat, a certain gap is formed between the installation shell and the installation seat, and the air guide strip is positioned in the gap; The air guide plate is hinged to an air inlet arranged above the mounting shell, and a connecting column is arranged on one side of the air guide plate; The air outlet cover is arranged at an air outlet arranged on the outer wall below the installation shell, and an air outlet is arranged at the bottom end of the air outlet cover. As a further description of the above technical solution: the cooling assembly further comprises a connecting ring, wherein the connecting ring is rotationally sleeved on the outer wall of the top end of the installation shell, an extrusion groove is formed in the connecting ring, a connecting column is arranged in the extrusion groove in a sliding mode, and when the connecting ring rotates, the connecting column can be extruded through the extrusion groove to drive the air deflector to rotate; the installing ring, the installing ring sets up in the go-between top, the slider is installed to the installing ring outer wall, the second spring is installed to the installing ring top surface, and the second spring is corresponding with the slider, the pinion rack is installed to the installing ring bottom, and the go-between outer wall is equipped with the tooth corresponding with the pinion rack, through the meshing between pinion rack and the tooth to carry out spacingly to the go-between. As a further description of the above technical solution: The fixing assembly comprises an extrusion barrel arranged at the bottom end of the mounting seat, a conical groove corresponding to the outer wall of the collet is formed in the extrusion barrel, a rubber sleeve is sleeved on the outer wall of the extrusion barrel, and the rubber sleeve penetrates through an opening formed in the extrusion barrel to be in contact with the outer wall of the collet; The locking sleeve is in threaded connection with the extrusion barrel through threads formed in the outer wall of the extrusion barrel, a stop block corresponding to the bottom end of the collet chuck is arranged at the bottom end of the locking sleeve, and the collet chuck is extruded through connection between the locking sleeve and the extrusion barrel, so that the collet chuck clamps the milling cutter. As a further description of the above technical solution: the fixing assembly further comprises a fixing plate, wherein the fixing plate is slidably arranged in a chute formed in the locking sleeve, one side of the fixing plate is provided with a fixing ring, and the fixing ring is slidably connected with the locking sleeve through a groove formed in