CN114749692A

CN114749692A - Automatic drilling machine for planet carrier

Info

Publication number: CN114749692A
Application number: CN202210304347.XA
Authority: CN
Inventors: 薛榜强; 潘莉; 李斌; 戴齐成
Original assignee: Shanghai Guangye Metal Co ltd
Current assignee: Shanghai Guangye Metal Co ltd
Priority date: 2022-03-26
Filing date: 2022-03-26
Publication date: 2022-07-15
Anticipated expiration: 2042-03-26
Also published as: CN114749692B

Abstract

The utility model relates to a planet support automatic drilling machine, relate to the machining field, it includes the processing platform, the processing bench is equipped with the clamping device who is used for fixed planet support, the processing bench is equipped with the drilling equipment who is used for drilling to the planet support, clamping device includes the base, the installation axle of rotation connection on the base, fixed cover is established at the epaxial positioning disk of installation, be located the base and be used for driving installation axle pivoted driving piece and be used for fixed planet support's retaining member, install epaxial fixedly connected with location axle of installation, the retaining member is located the location epaxially, location axle diameter is less than installation axle diameter, fixedly connected with locating pin on the positioning disk, drilling equipment is including connecting the supporting seat at the processing bench, connect the drill bit on the supporting seat with be used for driving the removal subassembly of drill bit along perpendicular to processing platform mesa direction removal. The method has the effect of improving the defect of low yield of manual positioning and drilling precision.

Description

Automatic drilling machine for planet carrier

Technical Field

The application relates to the field of machining, in particular to an automatic drilling machine for a planet carrier.

Background

The planet carrier is the most important part in the planetary gear train, the planet carrier is the supporting body of the planet wheel, three pin shaft holes are provided on the planet carrier, the position degree and the concentricity of the three pin shaft holes determine the transmission precision of the planetary gear train, so the three pin shaft holes on the planet carrier have very high precision requirements, and one end of the planet carrier is provided with a positioning hole.

In the related art, the pin shaft holes need to be manually positioned and drilled, and for the related art, the inventor thinks that the manual positioning and drilling have large workload on one hand and have low manual positioning accuracy on the other hand, which can cause the yield of the planet carrier to be reduced.

Disclosure of Invention

In order to improve the defect that manual positioning drilling precision is low, the yield is low, this application provides a planet support automatic drilling machine.

The application provides a planet carrier automatic drilling machine adopts following technical scheme:

the utility model provides a planet support automatic drilling machine, includes the processing platform, the processing bench is equipped with the clamping device who is used for fixed planet support, the processing bench is equipped with the drilling equipment who is used for drilling to the planet support, clamping device includes the base, rotates the installation axle, the fixed cover of connection on the base and establishes at the epaxial positioning disk of installation, is used for driving installation axle pivoted driving piece and is used for fixed planet support's retaining member in being located the base, install epaxial fixedly connected with location axle, the retaining member is located the location is epaxial, location axle diameter is less than installation axle diameter, fixedly connected with locating pin on the positioning disk, drilling equipment is including connecting the supporting seat at the processing bench, connecting the drill bit on the supporting seat and being used for driving the removal subassembly of drill bit along perpendicular to processing platform mesa direction removal.

Through adopting above-mentioned technical scheme, install the planet carrier at installation epaxial, one end is contradicted on the positioning disk, locating pin and the cooperation of pegging graft of the locating hole on the planet carrier simultaneously, fix a position the planet carrier at installation epaxial through the retaining member, it drives the drill bit and moves down and drill to the planet carrier to remove the subassembly, a round pin pore formation back, the driving piece drives the installation axle, the positioning disk, the retaining member and be located the epaxial planet carrier rotation of installation 120, drill to the planet carrier again, repeat above-mentioned action again, even seting up on the planet carrier until three round pin shaft hole, drilling is accomplished, location through the retaining member, can improve planet carrier's positioning stability, the rethread driving piece drives planet carrier and evenly rotates, thereby improve the defect that artifical location drilling precision hangs down the yield low.

Optionally, fix a position epaxial setscrew, the retaining member is including dismantling the lock nut who connects at the epaxial conflict piece in location and be used for locking the conflict piece, the conflict piece is contradicted on the planet carrier.

Through adopting above-mentioned technical scheme, contradict on the planet carrier lateral wall through the conflict piece to improve the stability of being connected of location axle and locating hole, the rethread is twisted lock nut soon, makes the conflict piece support tight planet carrier, improves installation stability, further improves the defect that artifical location drilling precision hangs down the yield and hangs down.

Optionally, the installation axle includes the first pivot and the second pivot of connection on first pivot that are close to base one end, and first pivot diameter is greater than second pivot diameter, and second pivot diameter is greater than the location axle diameter.

Through adopting above-mentioned technical scheme, the axle hole cooperation in installation axle and the planet support forms first pivot and second pivot for the stable supporting planet support.

Optionally, the contact block is provided with a mounting groove for inserting and matching the contact block and the positioning shaft.

Through adopting above-mentioned technical scheme, when the piece of contradicting was installed at the location epaxial, pegged graft the mounting groove perpendicularly with the location axle, contradicted with location axle lateral wall until the mounting groove tank bottom, and the installation of the piece of contradicting was accomplished this moment.

Optionally, the conflict piece includes first connecting block and second connecting block, first connecting block is the semicircle ring shape, first ladder groove has all been seted up at the both ends of first connecting block circular arc direction, the second connecting block is the semicircle ring shape, second ladder groove has all been seted up at the both ends of second connecting block circular arc direction, the spread groove has been seted up on the first ladder groove, fixedly connected with pegs graft complex fixed pin with the spread groove on the second ladder groove.

Through adopting above-mentioned technical scheme, accomplish the back at planet support installation, establish first connecting block and second connecting block at the location epaxial respectively, be close to first connecting block and second connecting block each other again, until fixed pin and spread groove cooperation of pegging graft, until first step groove and second connecting block, first connecting block contradicts with the second step groove completely, and the locating pin is pegged graft with the spread groove completely this moment.

Optionally, a slag collecting groove is formed in the first rotating shaft, the slag collecting groove is a ring groove, and guide inclined planes are arranged on two sides of a notch of the slag collecting groove.

Through adopting above-mentioned technical scheme, the collection cinder notch is used for collecting the piece that drilling produced, and the piece drops to collection cinder notch and collects, avoids the piece to influence offering of other round pin shaft holes to influence the precision of drilling, further influence the yield.

Optionally, a negative pressure groove is formed in the mounting shaft, the negative pressure groove is communicated with the slag collecting groove, an air vent groove communicated with the negative pressure groove is formed in the positioning shaft, the end part of the positioning shaft is rotatably connected with a connecting ring, the inner ring of the connecting ring is communicated with the air vent groove, and external negative pressure equipment is arranged on the connecting ring.

By adopting the technical scheme, the negative pressure equipment works to pump air in the vent groove, so that negative pressure is generated in the vent groove and the negative pressure groove communicated with the vent groove, and chips entering the slag collecting groove are adsorbed to the bottom of the slag collecting groove to be collected.

Optionally, first pivot tip can be dismantled and be connected with an album sediment ring, collection sediment ring includes the interception net that the annular set up, is located the spacing net and the baffle of fixed connection on the interception net of interception net one side, the spacing net with the baffle all is located the interception net deviates from centre of a circle one side, the opening direction orientation of collection sediment ring the notch of collection sediment groove.

Through adopting above-mentioned technical scheme, collection sediment ring is used for collecting the piece, and under the negative pressure, the piece removes to collection sediment groove tank bottom, is intercepted on the net, and spacing net and baffle are used for reducing the possibility that the piece dropped, adsorbs the piece can reduce the influence of piece to planet support drilling work in the collection sediment ring.

To sum up, this application includes following beneficial technological effect:

the planet support is arranged on the mounting shaft by arranging the positioning disc, the mounting shaft, the locking piece and the positioning pin, so that one side of the planet support is abutted against the positioning disc, the positioning hole in the planet support is in inserted fit with the positioning pin, and the planet support is fixed on the mounting shaft by the locking piece;

through setting up the driving piece, rotate through driving piece drive positioning disk, installation axle, locating pin, retaining member and planet support to after the completion is seted up in a round pin shaft hole of planet support, with the accurate rotation 120 of planet support, make the trompil rotate drilling equipment's below for the position accuracy, improve the defect that artifical location drilling precision hangs down the yield.

Drawings

Fig. 1 is a schematic overall structure diagram of an automatic drilling machine for a planet carrier in embodiment 1 of the present application.

Fig. 2 is a schematic view of a contact block in embodiment 1 of the present application.

Fig. 3 is a side view of a clamping device of an automatic drilling machine for a planet carrier in embodiment 2 of the present application.

Fig. 4 is a schematic cross-sectional view at a-a in fig. 3.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is an exploded view of a contact block in example 3 of the present application.

Description of reference numerals: 1. a processing table; 21. a base; 22. installing a shaft; 221. a first rotating shaft; 222. a second rotating shaft; 23. positioning a plate; 231. positioning pins; 25. a contact block; 251. mounting grooves; 252. a first connection block; 253. a second connecting block; 254. a first step groove; 255. a second stepped groove; 256. connecting grooves; 257. a fixing pin; 26. locking the nut; 27. positioning the shaft; 31. a supporting seat; 32. a drill bit; 33. a drilling motor; 34. a cylinder; 41. a slag collecting groove; 42. a support bar; 43. a negative pressure tank; 44. a vent channel; 45. a connecting ring; 5. a slag collecting ring; 51. an intercepting net; 52. a limiting net; 53. a baffle plate; 531. and (5) edge-following.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses planet carrier automatic drilling machine.

Example 1

Referring to fig. 1, the automatic drilling machine for the planet carrier comprises a processing table 1, wherein a clamping device for fixing the planet carrier and a drilling device for drilling the planet carrier are arranged on the processing table 1.

Referring to fig. 1, the drilling device includes a support base 31 connected to a processing table 1 through bolts, a drill 32 connected to the support base 31, and a moving assembly for driving the drill 32 to move in a direction perpendicular to a table surface of the processing table 1, the moving assembly is an air cylinder 34, a drilling motor 33 is connected to the support base 31, and the drilling motor 33 is used for driving the drill 32 to rotate.

Referring to fig. 1, the clamping device includes a base 21, a driving member located in the base 21, a mounting shaft 22 connected to an output end of the driving member, a positioning plate 23 fixedly sleeved on the mounting shaft 22, and a locking member for fixing the planet carrier, wherein the driving member is a driving motor.

Referring to fig. 1, a positioning pin 231 is fixedly connected to the positioning plate 23, and a positioning hole of the planet carrier is in insertion fit with the positioning pin 231.

Referring to fig. 1, the mounting shaft 22 includes a first rotating shaft 221 near one end of the base 21 and a second rotating shaft 222 connected to the first rotating shaft 221, a diameter of the first rotating shaft 221 is larger than a diameter of the second rotating shaft 222, one end of the second rotating shaft 222 away from the first rotating shaft 221 is fixedly connected with a positioning shaft 27, a diameter of the positioning shaft 27 is smaller than a diameter of the second rotating shaft 222, and a thread is formed on the positioning shaft 27.

Referring to fig. 1 and 2, the locking member includes a contact block 25 detachably connected to the positioning shaft 27 and a locking nut 26 for locking the contact block 25, a mounting groove 251 is formed in the contact block 25, the mounting groove 251 is arranged along the radial direction of the contact block 25, the mounting groove 251 is in insertion fit with the positioning shaft 27, and the contact block 25 is pressed against the side wall of the planet carrier by screwing the locking nut 26.

The implementation principle of the embodiment 1 is as follows: install the planet support on installation axle 22, locating hole and locating pin 231 on the planet support are pegged graft and are cooperated, again with the mounting groove 251 and the location axle 27 grafting cooperation of touch multitouch 25, through revolving wrong locking bolt, touch multitouch 25 is contradicted on the lateral wall of planet support, the lateral wall of keeping away from touch multitouch 25 one side of planet support is contradicted with positioning disk 23, drilling motor 33 drives drill bit 32 and rotates this moment, cylinder 34 drives drill bit 32 and moves down, drill the planet support, after a round pin axle hole is seted up and is accomplished, drill bit 32 withdraws from, driving motor drives location axle 27 and rotates 120, further drive planet support and rotate 120, repeat the drilling operation, until seting up 3 round pin axle holes on the planet support.

Example 2

The difference from the embodiment 1 is that the first rotating shaft 221 is provided with a slag collecting groove 41, referring to fig. 3, 4 and 5, the slag collecting groove 41 is a ring groove, two guide slopes are arranged on two sides of a notch of the slag collecting groove 41, the notch of the slag collecting groove 41 is connected with a plurality of support rods 42, and the support rods 42 are used for connecting two sides of the slag collecting groove 41.

Referring to fig. 5, one end of the first rotating shaft 221 is detachably connected with a slag collecting ring 5, the slag collecting ring 5 includes an annular intercepting net 51, a limiting net 52 located on one side of the intercepting net 51, and a baffle 53 fixedly connected to the intercepting net 51, the limiting net 52 and the baffle 53 are respectively located on one side of the intercepting net 51 deviating from the circle center of the intercepting net 51, and the opening direction of the slag collecting ring 5 faces the notch of the slag collecting groove 41.

Referring to fig. 5, the slag collecting ring 5 is fixedly connected with a rim 531, and the rim 531 abuts against the sidewall of the first shaft 221 and is fixedly connected with the first shaft 221 by a screw.

Referring to fig. 4, a vent groove 44 is formed in the positioning shaft 27, a connecting ring 45 is embedded in the end portion of the vent groove 44, the connecting ring 45 is in running fit with the positioning shaft 27, a negative pressure groove 43 is formed in the mounting shaft 22, one end of the negative pressure groove 43 is communicated with the vent groove 44, a plurality of branches are formed at the other end of the negative pressure groove and are communicated with the slag collecting groove 41, and the branches of the embodiment are three and respectively correspond to the mounting positions of the pin shaft holes in the planet carrier.

The implementation principle of the embodiment 2 is as follows: the negative pressure interface of the negative pressure equipment is connected to the connecting ring 45, negative pressure is formed in the vent groove 44 and the negative pressure groove 43, chips generated by drilling fall into the slag collecting groove 41 and are adsorbed on the intercepting net 51 under the action of negative pressure, after processing is finished, the negative pressure equipment and the connecting ring 45 can be disconnected, the chips are separated from the slag collecting groove 41 under the action of gravity and in a manual clearing mode, screws can be screwed, the slag collecting ring 5 is taken out, and the slag collecting ring 5 is cleaned.

Example 3

The difference from embodiment 2 lies in the difference of the contact block 25, and referring to fig. 6, the contact block 25 includes a first connection block 252 and a second connection block 253, the first connection block 252 is disposed in a semicircular ring shape, and the second connection block 253 is disposed in a semicircular ring shape symmetrical to the first connection block 252.

Referring to fig. 6, first step groove 254 has all been seted up at the both ends of first connecting block 252 circular arc direction, and second step groove 255 has all been seted up at the both ends of second connecting block 253 circular arc direction, has seted up spread groove 256 on the first step groove 254, fixedly connected with on the second step groove 255 with spread groove 256 grafting complex fixed pin 257.

The implementation principle of the embodiment 3 is as follows: after the planet carrier is placed on the mounting shaft 22, the first connecting block 252 and the second connecting block 253 are placed on the positioning shaft 27 in a staggered mode, then the first connecting block 252 and the second connecting block 253 are sequentially pushed to the planet carrier until the positioning pin 231 is inserted into the connecting groove 256, the first step groove 254 is abutted on the second connecting block 253, the second step groove 255 is abutted on the first connecting block 252, the first connecting block 252 and the second connecting block 253 are abutted on the planet carrier, the locking nut 26 is screwed at the moment, and the planet carrier is positioned.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a planet carrier automatic drilling machine, includes processing platform (1), be equipped with the clamping device who is used for fixed planet carrier on processing platform (1), be equipped with the drilling equipment who is used for the planet carrier drilling on processing platform (1), its characterized in that: clamping device includes that base (21), rotation are connected installation axle (22), the fixed cover on base (21) establish positioning disk (23) on installation axle (22), be located base (21) and be used for driving installation axle (22) pivoted driving piece and be used for fixed planet carrier's retaining member, fixedly connected with location axle (27) on installation axle (22), the retaining member is located on location axle (27), location axle (27) diameter is less than installation axle (22) diameter, fixedly connected with locating pin (231) on positioning disk (23), drilling equipment is including connecting supporting seat (31) on processing platform (1), connecting drill bit (32) on supporting seat (31) and being used for driving drill bit (32) along the removal subassembly that perpendicular to processing platform (1) mesa direction removed.

2. The automatic drilling machine for planet carrier of claim 1, wherein: set up screw thread on location axle (27), the retaining member is including dismantling the lock nut (26) of connecting on location axle (27) support contact block (25) and being used for locking support contact block (25), support contact block (25) are contradicted on the planet carrier.

3. An automatic drilling machine for a planet carrier according to any one of claims 2, wherein: the installation shaft (22) comprises a first rotating shaft (221) close to one end of the base (21) and a second rotating shaft (222) connected to the first rotating shaft (221), the diameter of the first rotating shaft (221) is larger than that of the second rotating shaft (222), and the diameter of the second rotating shaft (222) is larger than that of the positioning shaft (27).

4. The automatic drilling machine for planet carrier of claim 3, wherein: the contact block (25) is provided with a mounting groove (251) for the contact block (25) to be in plug-in fit with the positioning shaft (27).

5. The automatic drilling machine for planet carrier of claim 3, wherein: the utility model discloses a support touch multitouch (25) including first connecting block (252) and second connecting block (253), first connecting block (252) are the semicircle ring shape, first step groove (254) have all been seted up at the both ends of first connecting block (252) circular arc direction, second connecting block (253) are the semicircle ring shape, second step groove (255) have all been seted up at the both ends of second connecting block (253) circular arc direction, spread groove (256) have been seted up on first step groove (254), fixedly connected with pegs graft complex fixed pin (257) with spread groove (256) on second step groove (255).

6. An automatic drilling machine for a planet carrier according to any one of claims 4 or 5, characterized in that: seted up collection slag groove (41) on first pivot (221), collection slag groove (41) are the annular, the notch both sides of collection slag groove (41) are equipped with the direction inclined plane.

7. The automatic drilling machine for planet carrier of claim 6, wherein: negative pressure groove (43) have been seted up in installation axle (22), negative pressure groove (43) with slag trap (41) intercommunication, air channel (44) with negative pressure groove (43) intercommunication have been seted up in location axle (27), location axle (27) tip rotates and is connected with go-between (45), the inner ring of go-between (45) with air channel (44) intercommunication, external negative pressure equipment is gone up in go-between (45).

8. The automatic drilling machine for planet carrier of claim 6, wherein: first pivot (221) tip can be dismantled and be connected with collection sediment ring (5), collection sediment ring (5) are including interception net (51) that the annular set up, be located spacing net (52) and the baffle (53) of fixed connection on interception net (51) of interception net (51) one side, spacing net (52) with baffle (53) all are located interception net (51) deviate from centre of a circle one side, the opening direction orientation of collection sediment ring (5) the notch of collection sediment groove (41).