Tungsten steel milling cutter

Abstract

The utility model discloses a tungsten steel milling cutter, which relates to the technical field of milling cutters and comprises a cutter bar, a cutter head is arranged at the upper end of the cutter bar, the cutter bar and the cutter head are detachably arranged, half of the upper end of the cutter bar is protruded, a clamping groove is arranged on the protruded inner side of the upper end of the cutter bar, and the clamping groove is matched with the cutter head. A clamping groove is formed in one side of the protruding end of the cutter bar, a communicated limiting groove is formed in the portion, located at the lower end of the clamping groove, of the cutter bar, the lower end of the cutter head is fixedly connected with a clamping block, the lower end of the clamping block is fixedly connected with a limiting block, a fixing mechanism is arranged on the other side of the protruding end of the cutter bar and comprises a fixing block, and the fixing block is connected with the clamping block and the limiting block in a matched mode. The tungsten steel milling cutter; the clamping block, the limiting block and the fixing mechanism are arranged, the clamping block and the limiting block are matched with the clamping groove and the limiting groove in the upper end of the cutter bar, in this way, the cutter head can be prevented from loosening during rotation, then the clamping block and the limiting block are stably fixed through the fixing block, loosening of the cutter head is avoided, and operation is easy and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a tungsten steel milling cutter. Background Art

[0002] A milling cutter is a tool used for milling processing. As a consumable on a milling machine, the milling cutter comes in many types, single-edged or multi-edged. It will wear out when rotating and milling, and the milling cutter needs to be replaced after wear.

[0003] However, the replacement of the milling cutter requires loosening the wheel clamped on the milling machine, and such replacement requires adjusting the position of the milling cutter. The overall operation steps are cumbersome and reduce the replacement efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a tungsten steel milling cutter, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a tungsten steel milling cutter, comprising a tool rod, a tool head is provided at the upper end of the tool rod, the tool rod and the tool head are detachably arranged, the upper half of the tool rod is protruding, a card slot is provided on the inner side of the protruding upper end of the tool rod, a connected limit slot is provided on the tool rod at the lower end of the card slot, the lower end of the tool head is fixedly connected to a card block, the lower end of the card block is fixedly connected to a limit block, a fixing mechanism is provided on the other side of the protruding end of the tool rod, the fixing mechanism includes a fixing block, and the fixing block is matched and connected with the card block and the limit block.

[0006] Furthermore, a first matching groove is provided on the inner side wall of the fixed block, and a second matching groove connected to the first matching groove is provided on the inner side wall of the fixed block. The first matching groove and the second matching groove are matched with the clamping block and the limit block. A through hole is provided on the outer side of the fixed block and passes through the limit block. The through hole extends through the limit block to the upper end of the knife rod, and a fixing screw is connected to the inner thread of the through hole.

[0007] Furthermore, a placement groove is provided at the outer end of the perforation, grooves are provided at both inner ends of the placement groove, a blocking plate is placed in the placement groove, both ends of the blocking plate are fixedly connected to a pressure plate, the end of the pressure plate is fixedly connected to a protrusion, the protrusion groove is matched, and the inner end face of the blocking plate is set to abut against the end of the fixing screw.

[0008] Furthermore, a first sealing ring is fixedly connected to the inner end surface of the fixing block, and the first sealing ring is arranged in a U shape.

[0009] Furthermore, a second sealing ring is fixedly connected to both ends of the blocking plate, and the second sealing ring is arranged to abut against the inner wall of the placement groove.

[0010] Furthermore, a convex plate is fixedly connected to the outer end of the blocking plate, and a penetrating circular hole is opened on the convex plate.

[0011] Compared with the above-mentioned background technology, the tungsten steel milling cutter provided in this application includes a tungsten steel milling cutter with very mature technology today, and core components with a clamping block, a limit block and a fixing mechanism. Its principle relies on the fixed limitation of the clamping block and the limit block to prevent the cutter head from loosening under the locking action of the fixing mechanism, and the replacement operation is convenient and quick.

[0012] The utility model provides a tungsten steel milling cutter. Compared with the existing technology, it has the following beneficial effects:

[0013] The tungsten steel milling cutter is provided with a clamping block, a limit block and a fixing mechanism. The clamping block and the limit block match the clamping groove and the limit groove on the upper end of the cutter rod, so that the cutter head can be prevented from loosening when rotating. The clamping block and the limit block are fixed stably by the fixing block, and the cutter head can be prevented from loosening. The operation is simple and quick. 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 schematic diagram of the structure of the cutter head and cutter rod of the utility model;

[0016] Figure 3 This is a structural diagram of the fixing block of the utility model;

[0017] Figure 4 for Figure 2 Schematic diagram of the structure enlarged at point A in the middle.

[0018] In the figure: 1. tool rod; 2. tool head; 3. clamping slot; 4. limiting slot; 5. fixing block; 6. first matching slot; 7. second matching slot; 8. first sealing ring; 9. clamping block; 10. limiting block; 11. perforation; 12. placement slot; 13. fixing screw; 14. groove; 15. blocking plate; 16. pressure plate; 17. protrusion; 18. second sealing ring; 19. protruding plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-4The utility model provides a technical solution: a tungsten steel milling cutter comprises a tool rod 1, a cutter head 2 is provided at the upper end of the tool rod 1, the tool rod 1 and the cutter head 2 are detachable, the upper half of the tool rod 1 is protruding, a card slot 3 is provided on the inner side of the protruding upper end of the tool rod 1, a communicating limit slot 4 is provided on the tool rod 1 at the lower end of the card slot 3, the lower end of the cutter head 2 is fixedly connected with a card block 9, the lower end of the card block 9 is fixedly connected with a limit block 10, a fixing mechanism is provided on the other side of the protruding end of the tool rod 1, the fixing mechanism comprises a fixing block 5, the fixing block 5 and the card The block 9 and the limit block 10 are matched and connected; the tool rod 1 is fixed on the milling machine. When the cutter head 2 needs to be replaced, the fixing block 5 is removed to release the connection between the cutter head 2 and the tool rod 1, and the cutter head 2 and the tool rod 1 are matched and connected through the clamping block 9 and the limit block 10 and the clamping slot 3 and the limit slot 4, so that the follow-up rotation of the cutter head 2 will not be affected when the tool rod 1 rotates at high speed. When replacing, the clamping block 9 and the limit block 10 are also placed in the protruding upper end of the tool rod 1, so that the disassembly and installation of the cutter head 2 and the tool rod 1 can be facilitated.

[0021] like Figure 3 As shown, the inner side wall of the fixing block 5 is provided with a first matching groove 6, and the inner side wall of the fixing block 5 is provided with a second matching groove 7 connected to the first matching groove 6. The first matching groove 6 and the second matching groove 7 are matched with the clamping block 9 and the limit block 10. The outer side of the fixing block 5 is provided with a through hole 11 passing through the limit block 10, and the through hole 11 extends through the limit block 10 to the upper end of the tool rod 1, and the internal thread of the through hole 11 is connected with a fixing screw 13; after the clamping block 9 and the limit block 10 at the lower end of the cutter head 2 are leaned against the clamping groove 3 and the limit groove 4, the first matching groove 6 and the second matching groove 7 opened on the side wall of the fixing block 5 are clamped on the clamping block 9 and the limit block 10, and then the fixing screw 13 is passed through the through hole 11, and the fixing screw 13 is threadedly connected to the threaded hole extending on the tool rod 1, so that the cutter head 2 can be restricted and fixed in the vertical and horizontal directions.

[0022] like Figure 4 As shown, a placement groove 12 is provided at the outer end of the through hole 11, and grooves 14 are provided at both ends of the inner side of the placement groove 12. A blocking plate 15 is placed in the placement groove 12, and both ends of the blocking plate 15 are fixedly connected to a pressure plate 16. The end of the pressure plate 16 is fixedly connected to a protrusion 17, and the protrusion 17 is matched with the groove 14, and the inner end face of the blocking plate 15 is against the end of the fixing screw 13; the blocking plate 15 is placed in the placement groove 12, and when the blocking plate 15 is placed in the placement groove 12, the protrusion 17 is pressed into the groove 14 by the elastic force on both sides of the pressure plate 16, and is restricted and fixed by the pressure plate 16 and the groove 14. The blocking plate 15 and the end face of the fixing screw 13 are against each other to prevent the fixing screw 13 from loosening, and when the blocking plate 15 is removed, the pressing plate 16 can be squeezed downward to squeeze the protrusion 17 inward when sliding obliquely, so that the blocking plate 15 can be removed.

[0023] like Figure 3 As shown, the inner end face of the fixed block 5 is fixedly connected with a first sealing ring 8, which is set in a U shape; after the fixed block 5 is placed in the recessed part of the upper end of the knife rod 1, the first sealing ring 8 is squeezed with the protruding position of the upper end of the knife rod 1, and the first sealing ring 8 is squeezed and deformed to form a seal to prevent waste liquid from splashing inside.

[0024] like Figure 4 As shown, the two ends of the blocking plate 15 are fixedly connected with a second sealing ring 18, and the second sealing ring 18 is set against the inner wall of the placement groove 12; when the blocking plate 15 is installed in the placement groove 12, the second sealing ring 18 and the placement groove 12 form a stable support to prevent the blocking plate 15 from loosening during rotation.

[0025] like Figure 4 As shown, the outer end of the blocking plate 15 is fixedly connected to a convex plate 19, and a circular hole is provided on the convex plate 19; when the blocking plate 15 is removed, the convex plate 19 can be used to facilitate the removal and placement of the blocking plate 15, and a connecting rope can be installed on the circular hole provided on the convex plate 19, making it easier to remove.

[0026] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A tungsten steel milling cutter, comprising a cutter bar (1), wherein a cutter head (2) is provided at the upper end of the cutter bar (1), characterized in that: The knife rod (1) and the knife head (2) are detachably arranged. The upper half of the knife rod (1) is protruding. A slot (3) is provided on the inner side of the protruding upper end of the knife rod (1). A communicating limit slot (4) is provided on the knife rod (1) at the lower end of the slot (3). The lower end of the knife head (2) is fixedly connected to a clamping block (9). The lower end of the clamping block (9) is fixedly connected to a limit block (10). A fixing mechanism is provided on the other side of the protruding end of the knife rod (1). The fixing mechanism includes a fixing block (5). The fixing block (5) is matched and connected with the clamping block (9) and the limit block (10).

2. A tungsten steel milling cutter according to claim 1, characterized in that: The inner side wall of the fixing block (5) is provided with a first matching groove (6), the inner side wall of the fixing block (5) is provided with a second matching groove (7) connected to the first matching groove (6), the first matching groove (6) and the second matching groove (7) are matched with the clamping block (9) and the limiting block (10), the outer side of the fixing block (5) is provided with a through hole (11) passing through the limiting block (10), the through hole (11) passes through the limiting block (10) and extends to the upper end of the knife rod (1), and the through hole (11) is internally threadedly connected to a fixing screw (13).

3. A tungsten steel milling cutter according to claim 2, characterized in that: The outer end of the through hole (11) is provided with a placement groove (12), and the inner ends of the placement groove (12) are provided with grooves (14). A blocking plate (15) is placed in the placement groove (12), and the two ends of the blocking plate (15) are fixedly connected to a pressure plate (16), and the end of the pressure plate (16) is fixedly connected to a protrusion (17), and the protrusion (17) and the groove (14) are matched, and the inner end surface of the blocking plate (15) is set to abut against the end of the fixing screw (13).

4. A tungsten steel milling cutter according to claim 2, characterized in that: The inner end surface of the fixed block (5) is fixedly connected to a first sealing ring (8), and the first sealing ring (8) is arranged in a U shape.

5. The tungsten steel milling cutter according to claim 3, characterized in that: The two ends of the blocking plate (15) are fixedly connected to a second sealing ring (18), and the second sealing ring (18) is arranged to abut against the inner side wall of the placement groove (12).

6. A tungsten steel milling cutter according to claim 3, characterized in that: The outer end of the blocking plate (15) is fixedly connected to a convex plate (19), and a circular hole is provided through the convex plate (19).

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