CN211804046U

CN211804046U - High efficiency double-end milling cutter

Info

Publication number: CN211804046U
Application number: CN202020240533.8U
Authority: CN
Inventors: 周四海
Original assignee: Guangdong Unt Hardware Technology Co ltd
Current assignee: Guangdong Unt Hardware Technology Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-10-30
Anticipated expiration: 2030-03-02

Abstract

The utility model relates to a milling cutter technical field especially relates to a high efficiency double-end milling cutter, including two tool bits and handle of a knife, two tool bits set up respectively in the both ends of handle of a knife, carry out the split with two tool bits of milling cutter with the handle of a knife, the staff only need the dismouting tool bit can, need not scrap milling cutter wholly, in-process in using, when needs install the tool bit on the handle of a knife, the cooperation of sliding at the first fixture block of tool bit lateral wall and spout is connected, make the tool bit location in the recess of handle of a knife, utilize the closure to fix first fixture block closure and make the stable fixing of tool bit in the recess, make first fixture block unblock dismantle when the unblock closure, make first slider break away from the spout, and then make the tool bit dismantle from the handle of a knife, and then solve the serious needs whole.

Description

High efficiency double-end milling cutter

Technical Field

The utility model belongs to the technical field of the milling cutter technique and specifically relates to a high efficiency double-end milling cutter is related to.

Background

Milling cutters are a type of rotary tool with one or more teeth for milling, primarily for machining surfaces, steps, grooves, forming surfaces, cutting through workpieces, etc. Double-ended milling cutters are often used on milling machines to machine workpieces.

For example, chinese patent with patent publication No. CN204094224U discloses a double-ended milling cutter, which comprises a post-rod-shaped tool holder and two tool bits arranged at two ends of the post-rod-shaped tool holder, wherein the two tool bits and the tool holder are integrally formed, the two tool bits are centrosymmetric with respect to a central point of the post-rod-shaped tool holder, and each tool bit is a single-edge slot.

The technical scheme has the following defects: two tool bits and handle of a knife are integrated into one piece and can not the split, when two tool bits all worn and torn and need to be changed, generally all need with double-end milling cutter whole change, cause the material extravagant.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a high efficiency double-end milling cutter, it can solve when the serious needs of tool bit wearing and tearing will wholly condemned problem.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a high efficiency double-end milling cutter, includes two tool bits and handle of a knife, two tool bits set up respectively in the both ends of handle of a knife, two the one end of tool bit all is provided with the cutting edge, the both ends of handle of a knife all are provided with and supply each the tool bit is kept away from the one end male recess of cutting edge, the tool bit is kept away from the one end of cutting edge all is provided with two first fixture blocks, and two first fixture block with the axis of tool bit sets up as the center pin symmetry, the recess cell wall be provided with the spout that first fixture block corresponds, each the spout certainly the recess notch is followed the direction of height of recess sets up, each first fixture block with correspond the spout cooperation of sliding, first fixture block with be provided with between the handle of a knife and be used for closure and unblock.

By adopting the technical scheme, the two cutter heads of the milling cutter are separated from the cutter handle, so that a worker only needs to disassemble and assemble the cutter heads without scrapping the whole milling cutter; in the using process, when the tool bit needs to be installed on the tool handle, the first clamping block connected to the side wall of the tool bit is in sliding fit with the sliding groove, so that the tool bit is positioned in the groove of the tool handle, and the first clamping block is locked by the locking piece so that the tool bit is stably fixed in the groove, so that the tool bit is convenient and simple; the unlocking locking piece enables the first clamping block to be unlocked, so that the first sliding block is separated from the sliding groove, the tool bit is detached from the tool shank, and the problem that the whole tool bit is seriously worn and needs to be scrapped is solved.

The present invention may be further configured in a preferred embodiment as: the groove wall of the groove is provided with two clamping grooves corresponding to the sliding grooves, the clamping grooves are arc-shaped grooves, the clamping grooves are communicated with the bottoms of the corresponding sliding grooves, the first clamping blocks are inserted into the corresponding sliding grooves and slide to the communicated positions of the clamping grooves and the sliding grooves, and the first clamping blocks rotate and are in clamping fit with the clamping grooves.

Through adopting above-mentioned technical scheme, first fixture block rotates and makes the tool bit be difficult for dropping from the recess with the cooperation of draw-in groove joint, has strengthened the stability between tool bit and the recess, makes the staff be convenient for subsequent tool bit fixed operation.

The present invention may be further configured in a preferred embodiment as: the first clamping block is arc-shaped and attached to the clamping groove.

Through adopting above-mentioned technical scheme, first fixture block is the arc form setting, and the draw-in groove has increased the area of contact between first fixture block and the draw-in groove for the arc wall, has further strengthened the stability between first fixture block and the draw-in groove, makes the tool bit be difficult for rocking in the recess.

The present invention may be further configured in a preferred embodiment as: the locking piece is a fixing bolt, a through hole is formed in one end, away from the sliding groove, of each arc-shaped groove and penetrates out of the knife handle, a threaded hole corresponding to each fixing bolt is formed in each first clamping block, and each fixing bolt penetrates through the through hole and is in threaded connection with the corresponding threaded hole.

Through adopting above-mentioned technical scheme, utilize bolt through-hole and screw hole threaded connection to make more stable the fixing in the draw-in groove of first fixture block, during the more firm fixed recess of tool bit, make the tool bit difficult not hard up the in-process of work drop.

The present invention may be further configured in a preferred embodiment as: the lateral wall of tool bit is connected with the second fixture block, the notch of groove is provided with the spacing groove, the spacing groove is the arc wall, just the spacing groove with the spout and the recess is linked together, the spacing groove is the arc wall, the second fixture block along with first fixture block rotates and with the cooperation of spacing groove joint.

Through adopting above-mentioned technical scheme, the second fixture block rotates and can make the second fixture block lid close the intercommunication department of spout and spacing groove with the spacing groove joint cooperation, because the tool bit can produce the piece and splash at the in-process of carrying out processing to the work piece, clastic difficult splashing advances the spout and blocks in the spout.

The present invention may be further configured in a preferred embodiment as: the lateral wall of tool bit is provided with the chip groove.

Through adopting above-mentioned technical scheme, the setting of chip groove can make the piece that the tool bit will splash on the tool bit in time arrange away at the in-process of work, reduces the calorific capacity of milling cutter and work piece to improve the quality of work piece processing.

The present invention may be further configured in a preferred embodiment as: the knife handle is provided with two clamping grooves, the two clamping grooves correspond to the through holes respectively in position, and the clamping grooves are arranged along the height direction of the grooves at one end, close to the cutting edge, of the knife handle.

By adopting the technical scheme, the arrangement of the clamping grooves facilitates the clamping of the knife handle, and further facilitates the installation and the disassembly of the knife head.

The present invention may be further configured in a preferred embodiment as: the blade and the cutter head are both made of hard alloy.

By adopting the technical scheme, the hard alloy has a series of excellent performances of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, and the hardness requirement of the cutting blade is ensured.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the milling cutter comprises a cutter handle, a cutter head, a first clamping block, a sliding groove, a locking piece, a first clamping block, a second clamping block, a sliding groove, a first sliding block, a second sliding block, a first clamping block, a second clamping block, a first sliding block, a second sliding block, a first sliding block, a second sliding block;

2. the first clamping block rotates and is in clamping fit with the clamping groove, so that the first clamping block is not easily fixed in the clamping groove and is not easily loosened and slid from the sliding groove, the tool bit is not easily dropped from the groove, and the stability between the tool bit and the groove is enhanced;

3. the second fixture block is rotated and clamped and matched with the limiting groove, so that the second fixture block covers the communication part between the sliding groove and the limiting groove, and the tool bit is not easy to splash into the sliding groove and is clamped in the sliding groove in the working process;

4. the arrangement of the chip grooves can lead the chips remained on the cutter head to be discharged in time in the working process of the cutter head.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is the assembly relation schematic diagram between the tool bit and the tool handle in the embodiment of the utility model.

In the figure, 1, a knife handle; 2. a cutter head; 3. a chip groove; 4. a blade; 5. a clamping groove; 6. fixing the bolt; 7. a first clamping block; 8. a second fixture block; 9. a groove; 10. a through hole; 11. a card slot; 12. a chute; 13. a limiting groove; 14. a threaded bore.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a high efficiency double-end milling cutter, including handle of a knife 1 and two tool bits 2, two tool bits 2 set up in the both ends of handle of a knife 1, and are cylindricly. The one end that handle of a knife 1 was kept away from to two tool bits 2 all is provided with two cutting edges 4, and chip groove 3 has been seted up to the lateral wall of tool bit 2 simultaneously. Two cutting edges 4 are the heliciform setting with chip groove 3, and chip groove 3 is located between two adjacent cutting edges 4, and chip groove 3 can make the piece in time discharge, reduces the temperature of tool bit 2, and then improves milling cutter's milling effect. Furthermore, the shank 1 and the two tool bits 2 are made of hard alloy, thereby enhancing the hardness of the milling cutter.

Referring to fig. 2, specifically, the both ends of handle of a knife 1 are all offered and are supplied each tool bit 2 to keep away from the one end male recess 9 of cutting edge 4, and the lateral wall of tool bit 2 is connected with two first fixture blocks 7, and two first fixture blocks 7 use the central axis of tool bit 2 to set up as symmetry axis symmetry, and are located the both sides of keeping away from the one end of cutting edge 4, preferred, each first fixture block 7 and tool bit 2 integrated into one piece. Meanwhile, the groove 9 is provided with sliding grooves 12 corresponding to the first clamping blocks 7, each sliding groove 12 is arranged along the height direction of the groove 9 from the notch of the groove 9, and each first clamping block 7 is in sliding fit with the corresponding sliding groove 12. After the first clamping block 7 is inserted into the sliding groove 12, the tool bit 2 can be positioned. In order to prevent the tool bit 2 from falling off from the groove 9 in the installation process, a clamping groove 11 corresponding to the first clamping block 7 is formed in the groove wall of the groove 9, and one end of the clamping groove 11 is communicated with the groove bottom of the sliding groove 12. When the first clamping block 7 slides to the communication position of the clamping groove 11 along the sliding groove 12, the tool bit 2 is rotated to enable the first clamping block 7 to be in clamping fit with the clamping groove 11, and the tool bit 2 is located in the groove 9. In addition, first fixture block 7 is the arc form setting, and draw-in groove 11 is the arc wall, and first fixture block 7 is laminated with draw-in groove 11 mutually, and then has increased the area of contact of first fixture block 7 with draw-in groove 11. In the present embodiment, the holder 1 may be integrally formed or may be separately welded and fixed.

Referring to fig. 2, further, a locking member for locking and unlocking the first fixture block 7 is disposed between each first fixture block 7 and the tool holder 1, and preferably, the locking member is a fixing bolt 6. One end of the groove bottom of each clamping groove 11, which is far away from the sliding groove 12, is provided with a through hole 10 which is arranged in a penetrating manner, and the through hole 10 penetrates out of the knife handle 1. Simultaneously, each first fixture block 7 is kept away from the one end of tool bit 2 and is seted up threaded hole 14, and fixing bolt 6 runs through-hole 10 and the 14 threaded connection of corresponding threaded hole, and then has strengthened the stability of tool bit 2 in recess 9 when the tool bit 2 need be changed, only need to dismantle fixing bolt 6 from threaded hole 14 and through-hole 10 in proper order, then first fixture block 7 breaks away from draw-in groove 11 and spout in proper order and can dismantle tool bit 2 and change the operation. In addition, the side wall of the knife handle 1 is provided with clamping grooves 5 which are convenient for clamping the knife handle 1, each clamping groove 5 corresponds to the through hole 10, and each clamping groove 5 is arranged along the height direction of the groove 9 from one end of the knife handle 1 close to the cutting edge 4.

Referring to fig. 2, in addition, both sides of the side wall of the tool bit 2 all have second fixture blocks 8, and two second fixture blocks 8 are located the free end that the tool bit 2 is close to the cutting edge 4, and two second fixture blocks 8 use the axis of the tool bit 2 as symmetry axis symmetry setting, and a first fixture block 7 corresponds a second fixture block 8. The notch of the groove 9 is provided with a limiting groove 13 corresponding to each second fixture block 8, each limiting groove 13 is communicated with the groove 9 and the corresponding sliding groove 12, and the limiting groove 13 is an arc-shaped groove and is arranged with the clamping groove 11 in equal radian. When first fixture block 7 along with tool bit 2 rotate and with draw-in groove 11 joint cooperation, second fixture block 8 also follows to rotate and contradict and cover and close the intercommunication department of spout 12 and spacing groove 13, at milling cutter at the in-process of work, and then make the piece card of not splashing in spout 12.

The implementation principle of the embodiment is as follows: by adopting the mode of disassembling and assembling the tool bit 2 and the tool handle 1, after the tool bit 2 is worn, the tool bit 2 only needs to be replaced to continue to be used without scrapping the whole tool; add first fixture block 7 at tool bit 2 and make first fixture block 7 aim at spout 12 and with spout 12 cooperation of sliding, when first fixture block 7 slides to intercommunication department between spout 12 and the draw-in groove 11, second fixture block 8 is inconsistent with spacing groove 13 tank bottom this moment, it makes first fixture block 7 and draw-in groove 11 joint cooperation to rotate tool bit 2, the intercommunication department of spacing groove 13 and spout 12 is closed to second fixture block 8 lid, and simultaneously, through-hole 10 aligns with screw hole 14, utilize fixing bolt 6 to run through-hole 10 and make tool bit 2 firm fix in recess 9 with screw hole 14 threaded connection, can change tool bit 2, and then solve when tool bit 2 wearing and tearing seriously need be with whole condemned problem.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a high efficiency double-end milling cutter, includes two tool bit (2) and handle of a knife (1), two tool bit (2) set up respectively in the both ends of handle of a knife (1), its characterized in that: one end of each of the two cutter heads (2) is provided with a cutting edge (4), two ends of the cutter handle (1) are provided with grooves (9) for inserting one end of each cutter head (2) far away from the cutting edge (4), one end of the cutter head (2) far away from the cutting edge (4) is provided with two first clamping blocks (7), the two first clamping blocks (7) are symmetrically arranged by taking the axis of the cutter head (2) as a central axis, the groove wall of the groove (9) is provided with a sliding groove (12) corresponding to the first fixture block (7), each sliding groove (12) is arranged along the height direction of the groove (9) from the notch of the groove (9), each first fixture block (7) is matched with the corresponding sliding groove (12) in a sliding way, and a locking piece for fixing and disassembling the first clamping block (7) is arranged between the first clamping block (7) and the tool handle (1).

2. A high efficiency double-ended milling cutter according to claim 1, wherein: the groove wall of the groove (9) is provided with two clamping grooves (11) corresponding to the sliding grooves (12), the clamping grooves (11) are arc-shaped grooves, each clamping groove (11) is communicated with the bottom of the corresponding sliding groove (12), the first clamping block (7) is inserted into the corresponding sliding groove (12) and slides to the communication position of the clamping groove (11) and the sliding groove (12), and the first clamping block (7) rotates and is in clamping fit with the clamping grooves (11).

3. A high efficiency double-ended milling cutter according to claim 2, wherein: first fixture block (7) are the arc form setting, just first fixture block (7) with draw-in groove (11) laminate each other.

4. A high efficiency double-ended milling cutter according to claim 2, wherein: the locking piece is a fixing bolt (6), one end, far away from the sliding groove (12), of each clamping groove (11) is provided with a through hole (10), the through holes (10) penetrate through the outside of the cutter handle (1), each first clamping block (7) is provided with a threaded hole (14) corresponding to each fixing bolt (6), and each fixing bolt (6) penetrates through the through holes (10) and is in threaded connection with the corresponding threaded hole (14).

5. A high efficiency double-ended milling cutter according to claim 1, wherein: the lateral wall of tool bit (2) is connected with second fixture block (8), recess (9) notch is provided with spacing groove (13), spacing groove (13) are the arc wall, just spacing groove (13) with spout (12) and recess (9) are linked together, second fixture block (8) along with first fixture block (7) rotate and with spacing groove (13) joint cooperation.

6. A high efficiency double-ended milling cutter according to claim 1, wherein: the side wall of the tool bit (2) is provided with a chip groove (3).

7. A high efficiency double-ended milling cutter according to claim 4 wherein: the knife handle is characterized in that two clamping grooves (5) are formed in the knife handle (1), the two clamping grooves (5) correspond to the through holes (10) respectively, and one end, close to the cutting edge (4), of the knife handle (1) is arranged along the height direction of the groove (9).

8. A high efficiency double-ended milling cutter according to claim 1, wherein: the cutting edge (4) and the cutter head (2) are both made of hard alloy.