CN212019547U

CN212019547U - Special keyway milling cutter of automobile parts processing

Info

Publication number: CN212019547U
Application number: CN202020171281.8U
Authority: CN
Inventors: 汪华衡
Original assignee: Nanan Yicheng Machinery Technology Co Ltd
Current assignee: Nanan Yicheng Machinery Technology Co Ltd
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-11-27
Anticipated expiration: 2030-02-15

Abstract

The utility model discloses a special keyway milling cutter of automobile parts processing belongs to the automotive technology field, including fixed column and connecting block, four draw-in grooves have been seted up to the surface equidistance of fixed column, and the mounting hole has been seted up to the bottom of connecting block, and the mounting hole alternates with the fixed column to be connected, and four first recesses have been seted up to the pore wall equidistance of mounting hole, and the top and the equal fixed mounting in bottom of one side cell wall of four first recesses have spacing spring. The utility model relates to a special keyway milling cutter of automobile parts processing alternates through fixed column and mounting hole between fixed column and the connecting block to rotation through rotating button promotes the removal of four fixture blocks, thereby makes four fixture blocks inlay and establish the inside of four draw-in grooves and be convenient for to the fixed column fixed, thereby makes things convenient for milling cutter's installation, through rotating button's antiport, makes rotating button and fixture block separation, the fixture block makes fixture block and draw-in groove separation through spacing spring's pulling force, thereby makes things convenient for milling cutter's dismantlement.

Description

Special keyway milling cutter of automobile parts processing

Technical Field

The utility model relates to a milling cutter, in particular to special keyway milling cutter of automobile parts processing.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.

Automobile parts is at the in-process of processing, in order to ensure the accuracy nature of spare part processing, generally carry out the finish machining to automobile parts through milling process equipment, current milling cutter generally with milling process equipment fixed mounting be not convenient for dismantle and the installation, when milling cutter damages, it is more difficult to change, generally be even as an organic whole between the tool bit of milling cutter and the milling cutter main part simultaneously, when the different tool bits of needs change, need change whole milling cutter, influence automobile parts's machining efficiency, consequently, need design a special keyway milling cutter of automobile parts processing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special keyway milling cutter of automobile parts processing to solve the current milling cutter that proposes in the above-mentioned background art and generally not convenient for dismantle and the installation with milling process equipment fixed mounting, when milling cutter damages, change more difficultly, generally be even as an organic whole between milling cutter's tool bit and the milling cutter main part simultaneously, when the different tool bits of needs change, need change whole milling cutter, influence automobile parts's machining efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a special keyway milling cutter for processing automobile parts comprises a fixed column and a connecting block, wherein four clamping grooves are formed in the surface of the fixed column at equal intervals, a mounting hole is formed in the bottom end of the connecting block, the mounting hole is connected with the fixed column in an inserting manner, four first grooves are formed in the hole wall of the mounting hole at equal intervals, limiting springs are fixedly mounted at the top and the bottom of one groove wall of each first groove, one ends of the eight limiting springs are fixedly connected with one sides of four clamping blocks respectively, the four clamping blocks are connected with the corresponding clamping grooves in an embedding manner, first threaded holes are formed in the middle parts of the groove walls of one sides of the four first grooves respectively, rotary buttons are connected with the insides of the four first threaded holes in a threaded manner, the end heads of one ends of the four rotary buttons are connected with the middle parts of one sides of the corresponding clamping blocks, the drilling machine is characterized in that a jack is formed in one side of the sleeve, through holes are formed in the two side slot walls of the jack, an inserting block is embedded in the jack, a through hole is formed in the middle of the inserting block, pins are connected to the inside of the through hole in an alternating mode, the two ends of the pins are connected with the corresponding through holes in an alternating mode, a milling cutter body is fixedly mounted at the bottom end of the inserting block, a plurality of second grooves are formed in the surface of the milling cutter body at equal intervals, a fixing block is embedded in the second grooves, a thread strip is fixedly arranged at the top end of the fixing block, a plurality of heat dissipation holes are formed in the surface of the thread strip at equal intervals, a second threaded hole is formed in the bottom end of the milling cutter body, a threaded column is connected to the inside threads of.

As a preferred technical scheme of the utility model, four the arc hole has all been seted up to the top cell wall of draw-in groove, four the top of fixture block all fixed be equipped with arc hole assorted arch, it is a plurality of the arch inlays with the arc hole that corresponds and establishes the connection.

As a preferred technical scheme of the utility model, the internal diameter of jack and the size phase-match of inserted block, just the inserted block is equipped with the sealing washer with the junction cover of jack.

As a preferred technical scheme of the utility model, the both sides of screw thread strip are all fixed and are equipped with the welding piece, and are a plurality of the surface welding of welding piece and milling cutter main part.

As an optimized technical scheme of the utility model, the draw-in groove is three horn shapes, just the size phase-match of fixture block and draw-in groove.

As an optimized technical scheme of the utility model, the both ends of pin are all overlapped and are equipped with the spacing ring, two the size of spacing ring is greater than the internal diameter of through hole.

As an optimized technical scheme of the utility model, four evenly distributed's anti-skidding line is seted up on the surface of rotating button.

As an optimal technical scheme of the utility model, tool bit, milling cutter main part, screw thread strip, sleeve pipe and fixed column are made by carbon steel material.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the fixed column and the connecting block are inserted through the fixed column and the mounting hole, and the four fixture blocks are pushed to move through the rotation of the rotary button, so that the four fixture blocks are embedded in the four clamping grooves to facilitate the fixation of the fixed column, the installation of the milling cutter is facilitated, the rotary button is separated from the fixture blocks through the reverse rotation of the rotary button, and the fixture blocks are separated from the clamping grooves through the pulling force of the limiting springs, so that the disassembly of the milling cutter is facilitated;

2) the thread strip on the surface of the milling cutter is embedded with a second groove formed in the surface of the milling cutter body through the fixing block and is welded on the surface of the milling cutter through the welding sheet, when the thread strip is damaged, the thread strip is convenient to replace, and meanwhile, the flow of air flow is accelerated through the heat dissipation holes formed in the surface of the thread strip, so that the phenomenon that the service life of the milling cutter is influenced due to overhigh temperature in the working process of the milling cutter is avoided;

3) the milling cutter main body and the cutter head are connected with the second threaded hole through the threaded column in a threaded mode, the cutter heads of different sizes and models are convenient to replace, and the service life of the milling cutter is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic view of the structure of the thread strip of the present invention.

Fig. 4 is a schematic structural view of the milling cutter of the present invention.

Fig. 5 is a schematic view of the thread bar welding structure of the present invention.

Fig. 6 is a partial enlarged view of the present invention.

Fig. 7 is a schematic view of the tool bit connection structure of the present invention.

In the figure: 1. fixing a column; 2. a card slot; 3. an arc-shaped hole; 4. a sleeve; 5. a through hole; 6. a pin; 7. a jack; 8. a milling cutter body; 9. a threaded strip; 10. heat dissipation holes; 11. a cutter head; 12. connecting blocks; 13. mounting holes; 14. a clamping block; 15. a first groove; 16. a limiting spring; 17. rotating the button; 18. a first threaded hole; 19. inserting a block; 20. a protrusion; 21. welding the sheet; 22. a fixed block; 23. a second groove; 24. a second threaded hole; 25. a threaded post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the utility model provides a keyway milling cutter special for processing automobile parts, which comprises a fixed column 1 and a connecting block 12, wherein four clamping grooves 2 are equidistantly formed on the surface of the fixed column 1, a mounting hole 13 is formed at the bottom end of the connecting block 12, the mounting hole 13 is connected with the fixed column 1 in an inserting manner, four first grooves 15 are equidistantly formed on the hole wall of the mounting hole 13, limiting springs 16 are fixedly mounted at the top and bottom of the groove wall on one side of the four first grooves 15, one end of each limiting spring 16 is fixedly connected with one side of each clamping block 14, the four clamping blocks 14 are respectively connected with the corresponding clamping grooves 2 in an embedding manner, arc-shaped holes 3 are respectively formed on the groove walls on the top ends of the four clamping grooves 2, protrusions 20 matched with the arc-shaped holes 3 are fixedly arranged at the top ends of the four clamping blocks 14, the protrusions 20 are connected with the corresponding arc-shaped holes 3 in an embedding manner, the equal threaded connection in inside of four first screw holes 18 has the turn button 17, and the end department of the one end of four turn buttons 17 is connected with the middle part contact of corresponding fixture block 14 one side, and evenly distributed's anti-skidding line is seted up on the surface of four turn buttons 17, through the flexible of turn button 17 control fixture block 14, the installation and the dismantlement of the fixed column 1 of being convenient for.

A sleeve 4 is fixedly installed at one end of the fixed column 1, an insertion hole 7 is formed in one side of the sleeve 4, through holes 5 are formed in the groove walls of two sides of the insertion hole 7, an insertion block 19 is embedded in the insertion hole 7, a through hole is formed in the middle of the insertion block 19, a pin 6 is inserted and connected in the through hole, two ends of the pin 6 are inserted and connected with the corresponding through holes 5, the inner diameter of the insertion hole 7 is matched with the size of the insertion block 19, a sealing ring is sleeved at the joint of the insertion block 19 and the insertion hole 7, a milling cutter body 8 is fixedly installed at the bottom end of the insertion block 19, a plurality of second grooves 23 are formed in the surface of the milling cutter body 8 at equal intervals, a fixed block 22 is embedded in each of the plurality of second grooves 23, a threaded strip 9 is fixedly arranged at the top end of the fixed block 22, a plurality of heat dissipation holes 10 are formed in the surface of the plurality of threaded strips 9, second screw hole 24 has been seted up to milling cutter main part 8's bottom, and the internal thread connection of second screw hole 24 has screw thread post 25, and the bottom mounting of screw thread post 25 is equipped with tool bit 11, and tool bit 11 and milling cutter main part 8's end department threaded connection are convenient for change the tool bit 11 of different models.

The clamping groove 2 is triangular, the clamping block 14 is matched with the clamping groove 2 in size, and the clamping block 14 is matched with the clamping groove 2 in size, so that the installation firmness of the fixing column 1 is guaranteed.

Both ends of the pin 6 are all sleeved with limiting rings, the sizes of the two limiting rings are larger than the inner diameter of the through hole 5, and the pin 6 is prevented from falling off through the limiting rings which are sleeved.

The tool bit 11, the milling cutter main body 8, the thread strip 9, the sleeve 4 and the fixing column 1 are all made of carbon steel, and the carbon steel has the characteristics of high hardness, high temperature resistance and the like.

When the special key slot milling cutter for processing the automobile parts is used, when the special key slot milling cutter for processing the automobile parts is needed to be used, firstly, one end of a fixed column 1 is manually inserted into the mounting hole 13, and the clamping groove 2 formed in the side of the fixed column 1 is ensured to be aligned with the position of a clamping block 14, then, a rotary button 17 at the side of a connecting block 12 is manually rotated, the rotary button 17 is rotated to push the clamping block 14 to move, the clamping block 14 is embedded into the clamping groove 2 through the movement of the clamping block 14 to complete the fixation of the fixed column 1, then, an inserting block 19 is inserted into the inserting hole 7, then, the pin 6 is sequentially inserted into through holes formed in the middle parts of a through hole 5 and an inserting block 19, limiting rings are sleeved on the two sides of the pin 6, the installation of a milling cutter main body 8 is completed, then, the needed tool bit 11 is manually selected, a threaded column 25 at the top end of the tool bit 11 is in threaded, the mounting of the cutter head 11 is completed, thereby completing the splicing of the key slot milling cutter.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The special key groove milling cutter for processing the automobile parts comprises a fixed column (1) and a connecting block (12), and is characterized in that four clamping grooves (2) are formed in the surface of the fixed column (1) at equal intervals, a mounting hole (13) is formed in the bottom end of the connecting block (12), the mounting hole (13) is connected with the fixed column (1) in an inserting mode, four first grooves (15) are formed in the hole wall of the mounting hole (13) at equal intervals, limiting springs (16) are fixedly mounted at the top and the bottom of the groove wall of one side of each first groove (15), one end of each limiting spring (16) is fixedly connected with one side of each clamping block (14), the four clamping blocks (14) are connected with the corresponding clamping grooves (2) in an embedding mode respectively, first threaded holes (18) are formed in the middles of the groove walls of one side of the four first grooves (15), and rotary buttons (17) are connected with the inner uniform threads of the four first threaded holes, the end of one end of each rotary button (17) is in contact connection with the middle of one side of the corresponding fixture block (14), a sleeve (4) is fixedly mounted at one end of each fixed column (1), a jack (7) is formed in one side of the sleeve (4), through holes (5) are formed in the two side groove walls of the jack (7), an insert block (19) is embedded in the jack (7), a through hole is formed in the middle of the insert block (19), pins (6) are connected in the through hole in an inserting mode, the two ends of each pin (6) are connected with the corresponding through holes (5) in an inserting mode, a milling cutter main body (8) is fixedly mounted at the bottom end of the insert block (19), a plurality of second grooves (23) are formed in the surface of the milling cutter main body (8) in an equidistant mode, fixing blocks (22) are embedded in the second grooves (23), thread strips (9) are fixedly arranged at the top ends of the fixing blocks (, a plurality of louvres (10) have been seted up to the surperficial equidistance of screw thread strip (9), second screw hole (24) have been seted up to the bottom of milling cutter main part (8), the internal thread connection of second screw hole (24) has screw thread post (25), the bottom mounting of screw thread post (25) is equipped with tool bit (11).

2. The key groove milling cutter special for processing the automobile parts as claimed in claim 1, wherein: arc hole (3) have all been seted up to the top cell wall of four draw-in groove (2), four the top of fixture block (14) all is fixed be equipped with arc hole (3) assorted arch (20), a plurality of arch (20) are inlayed with the arc hole (3) that correspond and are established the connection.

3. The key groove milling cutter special for processing the automobile parts as claimed in claim 1, wherein: the internal diameter of jack (7) and the size phase-match of inserted block (19), just the junction cover of inserted block (19) and jack (7) is equipped with the sealing washer.

4. The key groove milling cutter special for processing the automobile parts as claimed in claim 1, wherein: welding pieces (21) are fixedly arranged on two sides of the threaded strip (9), and the welding pieces (21) are welded with the surface of the milling cutter main body (8).

5. The key groove milling cutter special for processing the automobile parts as claimed in claim 1, wherein: the clamping groove (2) is triangular, and the clamping blocks (14) are matched with the clamping groove (2) in size.

6. The key groove milling cutter special for processing the automobile parts as claimed in claim 1, wherein: the two ends of the pin (6) are both provided with limiting rings in a sleeved mode, and the size of each limiting ring is larger than the inner diameter of the corresponding through hole (5).

7. The key groove milling cutter special for processing the automobile parts as claimed in claim 1, wherein: the surfaces of the four rotary buttons (17) are provided with anti-skid grains which are uniformly distributed.

8. The key groove milling cutter special for processing the automobile parts as claimed in claim 1, wherein: the cutter head (11), the milling cutter main body (8), the threaded strip (9), the sleeve (4) and the fixing column (1) are all made of carbon steel.