CN211276677U

CN211276677U - Thrust wheel side cap milling mechanism

Info

Publication number: CN211276677U
Application number: CN201922319367.0U
Authority: CN
Inventors: 吴智勇; 林连发
Original assignee: Quanzhou Quanhang Construction Machinery Co ltd
Current assignee: Quanzhou Quanhang Construction Machinery Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-18
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a thrust wheel side cap milling mechanism, which belongs to the technical field of machining, and comprises a workbench for limiting the rotation of a side cap and a milling cutter for milling the end surface of a mounting hole, wherein the workbench is provided with a through groove for positioning a seal ring, the side cap can slide back and forth along the through groove, the milling cutter comprises a cutter handle, a cutter rest and a first positioning cone, the first positioning cone is matched with the mounting hole of the side cap and can be detachably arranged on the cutter rest, the cutter rest is provided with at least one cutting edge which can be detachably connected and can be detachably connected with the cutter handle, the utility model can limit the rotation of the milling cutter for milling the end surface of the mounting hole by arranging the workbench with the through groove, the side cap can be more flexibly processed by manually pushing the side cap, the processing efficiency is effectively improved, and the milling processing of manually pressing the side cap can be separated under the action, the operation is safer.

Description

Thrust wheel side cap milling mechanism

Technical Field

The utility model discloses a thrust wheel side cap mills mechanism belongs to machining technical field.

Background

The thrust wheel is one of four wheels and one belt of the chassis of the crawler type engineering machine, and is mainly used for supporting the weight of the excavator and the bulldozer and enabling the crawler to advance along the wheel. The thrust wheel mainly comprises a wheel body, a thrust wheel shaft, a shaft sleeve, an oil seal, a side cover and the like, wherein the side cover is used for sealing the wheel body and is connected with the wheel body through a fastener.

Part A is the structure of traditional side cap 1 in fig. 1, it includes seal ring 4 and mounting hole 3, side cap 1 corresponds mounting hole 3 department and has the circular arc mesa, because side cap 1 adopts the casting shaping, surface roughness after its shaping is big, the circular arc mesa is very close to mounting hole 3 simultaneously, make the part that the fastener exposes the installation outside unable horizontal state that is in when the fastening, it is very easy to appear not hard up in the course of the work of thrust wheel, consequently, need mill mounting hole terminal surface 2, in order to guarantee the fastness that the fastener is connected, as shown in part B in fig. 1.

Because the milling of the side cover terminal surface adopts the numerically controlled fraise machine to process among the prior art to the side cover terminal surface is tight side cover is pressed from both sides in the preparation special mounting fixture, and the requirement of the plane degree of mounting hole terminal surface is not high, so no matter be processing cost or machining efficiency can greatly influence the production of side cover for the producer can't accept.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a thrust wheel side cap milling machine constructs in order to solve among the prior art too high with high costs of milling of the mounting hole terminal surface of offside cover, problem that machining efficiency is low.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a thrust wheel side cap milling machine constructs, including restriction side cap pivoted workstation and the milling cutter that mills the mounting hole terminal surface, the workstation has a logical groove that is used for the location to seal the ring, the side cap can slide around leading to the groove, milling cutter includes handle of a knife, knife rest and first location awl, the mounting hole looks adaptation of first location awl and side cap to demountable installation is on the knife rest, have at least one cutting edge that can dismantle the connection on the knife rest, and it can dismantle with the handle of a knife and be connected.

Through adopting above-mentioned technical scheme, the workstation has a logical groove, it matches with the seal ring on the side cap, and the side cap can slide around leading to the groove, because logical groove has restricted the rotation of side cap, milling cutter installs on drilling machine or vertical milling machine's main shaft, in the course of working, the manual side cap of pressing is in order to avoid its back-and-forth movement, first location awl inserts the mounting hole earlier afterwards, thereby the cutting edge is along with the rotation of knife rest and is accomplished milling of mounting hole terminal surface, after having milled one of them mounting hole terminal surface, another mounting hole terminal surface of manual promotion side cap processing, the operation is simple and convenient, therefore, the clothes hanger is strong in practicability, and the machining efficiency has been effectually promoted, and the production.

Preferably, the cutting edges are distributed at equal angles, the side face, corresponding to each cutting edge, of the tool rest is provided with a mounting groove, a vertical face parallel to the side face of the cutting edge is arranged on the mounting groove, and the tool rest is provided with a fastener for fixing the cutting edge.

Through adopting above-mentioned technical scheme, set up three cutting edge, it can promote the machining efficiency when milling the mounting hole terminal surface, and the cutting edge makes its firm convenient installation on the knife rest through mounting groove and fastener moreover.

Preferably, the cutting edge comprises an insert body and a blade welded to the insert body, and the blade protrudes from the surface of the tool holder.

By adopting the technical scheme, the blade and the mosaic body form the blade, and the blade only occupies a small part of the blade, so that the production cost of the blade can be reduced.

Preferably, a boss is arranged at one end, away from the blade, of the mosaic body.

Through adopting above-mentioned technical scheme, set up the boss, the mosaic body can not drop automatically inserting to the knife rest, makes things convenient for follow-up fixed mosaic body of bolt.

Preferably, the side cover further comprises at least one group of lateral positioning devices for positioning the inner hole of the side cover.

Through adopting above-mentioned technical scheme, set up lateral positioning device, it can exert lateral pressure to the side cap to make the side cap terminal surface near leading to the groove lateral wall, avoid it to slide around leading to the inslot, make things convenient for milling cutter to mill the mounting hole terminal surface, need not to press the side cap by hand in the processing, reduce danger.

Preferably, the lateral positioning device comprises a second positioning cone and a connecting rod, a side plate is arranged on the workbench, the connecting rod penetrates through the side plate and then is in threaded connection with the second positioning cone, and an elastic element used for enabling the second positioning cone to be always pressed against the side cover is arranged on the outer side of the connecting rod.

Through adopting above-mentioned technical scheme, second location awl matches with the side cap hole, and it realizes fixing a position to the side cap under elastic element's effect after being connected with the connecting rod.

Preferably, one end of the connecting rod extending out of the side plate is provided with a hand pulling part, and the hand pulling part comprises two positioning rings.

Through adopting above-mentioned technical scheme, set up hand power portion, it can make things convenient for outside pulling connecting rod to make elastic element compress to drive second location awl and break away from the side cap hole, accomplish the dismantlement to the side cap.

Preferably, the through groove divides the table into a first placing table and a second placing table, one side of the side cover abuts against the first placing table, and the height of the second placing table is greater than that of the first placing table.

Through adopting above-mentioned technical scheme, the platform is placed to the second highly increases, and it can avoid taking place the swing when side direction positioner supports tight side cap hole to make the mounting hole face mill more level and more smooth.

Compared with the prior art, the beneficial effects of the utility model are that:

one, the workstation has a logical groove, it matches with the seal ring on the side cap, and the side cap can slide around leading to the groove, because the rotation of leading to the groove restriction side cap, milling cutter installs on the main shaft of drilling machine or vertical milling machine, in the course of working, the manual side cap of holding is in order to avoid its back-and-forth movement, first location awl inserts the mounting hole earlier afterwards, thereby the cutting edge mills of completion mounting hole terminal surface along with the rotation of knife rest, after having milled one of them mounting hole terminal surface, manual promotion side cap processes another mounting hole terminal surface, easy operation is convenient, therefore, the clothes hanger is strong in practicability.

Its two, through setting up side direction positioner for the second location awl supports the side of side cap, avoids taking place to remove around the side cap, need not to press the side cap in the processing manually, reduces danger, and can accomplish milling of different position mounting hole terminal surfaces through the shift table, effectual machining efficiency that has promoted, reduced manufacturing cost.

Drawings

FIG. 1 is a schematic view of a side cover in the prior art;

fig. 2 is a schematic structural view of a thrust wheel side cover milling mechanism of the present invention;

fig. 3 is a schematic structural diagram of a milling cutter in the thrust wheel side cover milling mechanism of the present invention;

fig. 4 is a schematic structural view of the lateral positioning device in the thrust wheel side cover milling mechanism of the present invention.

Reference numerals: 1. a side cover; 2. mounting hole end faces; 3. mounting holes; 4. sealing a ring; 5. milling cutters; 6. a second placing table; 7. a work table; 8. a through groove; 9. a first placing table; 10. a side plate; 11. a lateral positioning device; 12. a knife handle; 13. a boss; 14. an inlay body; 15. a blade; 16. a first positioning cone; 17. a fastener; 18. mounting grooves; 19. a vertical plane; 20. a tool holder; 21. a second positioning cone; 22. an elastic element; 23. a connecting rod; 24. a hand-pulling part; 25. a retaining ring.

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.

As shown in fig. 1-4, a thrust wheel side cover milling mechanism comprises a milling cutter 5 and a workbench 7, the workbench 7 is provided with a through groove 8 for positioning a seal ring 4, a side cover 1 can slide back and forth along the through groove 8, the milling cutter 5 is used for milling a mounting hole end surface 2, wherein the milling cutter 5 mainly comprises a cutter handle 12, a cutter holder 20 and a first positioning cone 16, the first positioning cone 16 is detachably mounted on the cutter holder 20 and matched with a mounting hole 3, the cutter holder 20 is detachably connected with the cutter holder 12 and provided with at least one cutting edge, the cutter handle 12 is mounted on a main shaft of a vertical milling machine or a drilling machine, the main shaft rotates to drive the cutter holder 20 to rotate, when the mounting hole end surface 2 is milled, the seal ring 4 on the side cover 1 is positioned in the through groove 8, the side cover 1 is manually pressed, the main shaft descends and drives the first positioning cone 16 to extend into the mounting hole 3, so as to limit the movement, guarantee the plane degree of mounting hole terminal surface 2, after accomplishing the milling work of one of them mounting hole terminal surface 2, manual promotion side cap 1 for another mounting hole terminal surface 2 is located knife rest 20 under, and two processing of mounting hole terminal surface 2 on the side cap 1 can be accomplished to repeated above-mentioned action, and easy operation, especially processing on the drilling machine is very convenient, the effectual machining efficiency that has promoted, and reduced manufacturing cost, the practicality is strong.

In this embodiment, the number of the cutting edges is three, the cutting edges are symmetrically installed on the knife rest 20, a mounting groove 18 is formed in the position, corresponding to each cutting edge, of the knife rest 20, the mounting groove 18 is provided with a vertical surface 19 parallel to the cutting edge, when the cutting edge is inserted into the knife rest 20, the cutting edge can be stably fixed on the knife rest 20 through the fastener 17, the cutting edge is composed of the insert 14 and the blade 15, the blade 15 only occupies a small part of the cutting edge, the production cost of the cutting edge can be reduced, meanwhile, the boss 13 is arranged on the insert 14, when the insert 14 is inserted into the knife rest 20, the width of the boss 13 is larger than that of the insert 14, the insert 14 cannot automatically fall off, and the subsequent fixing of the insert 14 through the bolt.

In addition, the workbench 7 is also provided with a lateral positioning device 11 which can position and clamp the inner hole of the side cover 1, and the sealing ring 4 is abutted against the side wall of the through groove 8, so that the side cover 1 does not need to be pressed manually in the processing process, and the situation of scratching the arm by iron cutting is avoided, wherein the lateral positioning device 11 mainly comprises a second positioning cone 21 and a connecting rod 23, the workbench 7 is provided with a side plate 10, the connecting rod 23 penetrates through the side plate 10 and then is in threaded connection with the second positioning cone 21, the outer side of the connecting rod 23 is provided with an elastic element 22 for pressing the second positioning cone 21 to the side cover 1 all the time, the elastic element 22 can adopt a spring, because the second positioning cone 21 can position the inner hole of the side cover 1, the front and back movement of the side cover 1 can be limited, meanwhile, one end of the connecting rod 23 extending out of the side plate 10 is provided with a hand-pulling part 24, the hand-pulling, thereby drive second location awl 21 and break away from 1 hole of side cap, accomplish the dismantlement to side cap 1, and easy operation is convenient, it is through setting up multiunit side direction positioner 11 to be worth mentioning, can once only clamp a plurality of side caps 1, and remove workstation 7 in the processing and can accomplish milling of mounting hole terminal surface 2 in a plurality of side caps 1, the effectual machining efficiency that has promoted, and lead to groove 8 and cut apart into first platform 9 and the second of placing platform 6 of placing with workstation 7, one side of side cap 1 is near first platform 9 of placing, the second is placed platform 6 highly be greater than the first height of placing platform 9, can avoid taking place the swing when side direction positioner 11 supports tight side cap 1 hole, thereby make mounting hole terminal surface 2 mill more level and more smooth.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a thrust wheel side cap mills mechanism, its characterized in that, including restriction side cap (1) pivoted workstation (7) and mill milling cutter (5) of mounting hole terminal surface (2), workstation (7) have one be used for fixing a position logical groove (8) of seal ring (4), side cap (1) can slide around leading to groove (8), milling cutter (5) are including handle of a knife (12), knife rest (20) and first location awl (16), first location awl (16) and mounting hole (3) looks adaptation of side cap (1) to demountable installation is on knife rest (20), have at least one cutting edge that can dismantle the connection on knife rest (20), and it can dismantle with handle of a knife (12) and be connected.

2. The thrust wheel side cover milling mechanism according to claim 1, wherein the number of the cutting edges is three, the side surface of the tool holder (20) corresponding to each cutting edge is provided with a mounting groove (18), the mounting groove (18) is provided with a vertical surface (19) parallel to the side surface of the cutting edge, and the tool holder (20) is provided with a fastening member (17) for fixing the cutting edge.

3. The thrust wheel side cover milling mechanism according to claim 2, wherein the cutting edge comprises an insert (14) and an insert (15) welded to the insert (14), the insert (15) protruding from the surface of the tool holder (20).

4. A thrust wheel side cover milling mechanism according to claim 3, characterized in that the end of the insert (14) remote from the insert (15) is provided with a boss (13).

5. A thrust wheel side cover milling mechanism according to claim 1 or 2, characterized in that it further comprises at least one set of lateral positioning means (11) for positioning the inner hole of the side cover (1).

6. The thrust wheel side cover milling mechanism according to claim 5, characterized in that the lateral positioning device (11) comprises a second positioning cone (21) and a connecting rod (23), a side plate (10) is arranged on the working table (7), the connecting rod (23) penetrates through the side plate (10) and then is in threaded connection with the second positioning cone (21), and an elastic element (22) for pressing the second positioning cone (21) to the side cover (1) all the time is arranged on the outer side of the connecting rod (23).

7. A thrust wheel side cover milling mechanism according to claim 6, characterized in that the end of the connecting rod (23) protruding out of the side plate (10) is provided with a hand-pulled portion (24), the hand-pulled portion (24) comprising two positioning rings (25).

8. The thrust wheel side cover milling mechanism according to claim 7, characterized in that the through slot (8) divides the work table (7) into a first placing table (9) and a second placing table (6), one side of the side cover (1) abuts against the first placing table (9), and the height of the second placing table (6) is greater than the height of the first placing table (9).