CN111843559A

CN111843559A - Positioning tool for radially drilling inner gear ring

Info

Publication number: CN111843559A
Application number: CN202010932303.2A
Authority: CN
Inventors: 崔福才
Original assignee: 崔福才
Current assignee: Jiangyin Wanzhong Precision Machinery Co.,Ltd.
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2020-10-30
Anticipated expiration: 2040-09-08
Also published as: CN111843559B

Abstract

The invention belongs to the field of gear machining, and particularly relates to a positioning tool for radially drilling an inner gear ring, which comprises a fixed table, wherein the fixed table is of a hollow structure, a bidirectional screw rod is rotatably connected in the fixed table, two thread blocks are in threaded connection on the bidirectional screw rod, an opening is formed in the fixed table, connecting rods penetrating through the opening are rotatably connected on the two thread blocks, the two connecting rods are hinged with each other, a hollow rod is fixedly connected at one end, away from the thread blocks, of each connecting rod, a sucking disc is communicated on the hollow rod, and a magnetic sliding plate is slidably connected in the hollow rod. The device can utilize the expansion of the two connecting rods to enable the sucker to tightly abut against the circular ring block of the inner gear ring and enable the sucker to tightly suck the circular ring block, so that the circular ring block is prevented from moving in the drilling process, and the device can be matched with the expansion of the connecting rods to enable the circular ring block to rise to a certain height, so that the complexity of manual padding is avoided.

Description

Positioning tool for radially drilling inner gear ring

Technical Field

The invention belongs to the field of gear machining, and particularly relates to a positioning tool for radially drilling an inner gear ring.

Background

At present, an inner gear ring refers to an inner gear which is coaxial with a planet carrier in planetary gear transmission, and in the production process of the inner gear ring, mounting holes are often required to be formed so as to facilitate mounting in the later period.

In the process of forming the mounting hole, the inner gear ring generally clamps and fixes two sides of the ring block through the clamping blocks, because the side wall of the ring block is smooth, the ring block is easy to shift under the action of the rotating force of the drill bit in the drilling process, which easily causes drilling errors, and the drill bit is easy to hurt in the shifting process of the ring block, in addition, in each drilling process, a cushion block matched with the ring block needs to be selected, and the ring block is placed on the tiptoe at a certain height so as to facilitate the drilling of the drill bit, and the mode is very complicated.

Therefore, a positioning tool for radially drilling the inner gear ring is provided to solve the problem.

Disclosure of Invention

The invention aims to solve the problems and provides a positioning tool for radially drilling an inner gear ring.

In order to achieve the purpose, the invention adopts the following technical scheme: a positioning tool for radially drilling an internal gear ring comprises a fixed table, wherein the fixed table is of a hollow structure, a bidirectional screw rod is rotatably connected in the fixed table, two thread blocks are in threaded connection with the bidirectional screw rod, an opening is formed in the fixed table, two thread blocks are respectively and rotatably connected with a connecting rod penetrating through the opening, the two connecting rods are mutually hinged, one end, away from the thread blocks, of each connecting rod is fixedly connected with a hollow rod, the hollow rod is communicated with a sucker, a magnetic sliding plate is slidably connected in the hollow rod, an electromagnetic block is fixedly connected on the inner wall of the hollow rod, a plurality of reset springs are fixedly connected between the magnetic sliding plate and the electromagnetic block, a trigger mechanism matched with the electromagnetic block is arranged on the sucker, two thread sleeves are rotatably connected on the fixed table, a screw rod is connected in the thread sleeves, a placing block is fixedly connected at the upper end of the screw rod, two worm wheels are sleeved on the threaded sleeves, a worm is rotatably connected in the fixed platform and meshed with the worm wheels, belt pulleys are sleeved on the worm and the bidirectional screw rod, and the two belt pulleys are in transmission through a belt.

In the positioning tool for radially drilling the inner gear ring, the trigger mechanism comprises a fixed block, an electric connector, a trigger block and a trigger rod, the fixed block is fixedly connected to the sucker, a cavity is formed in the fixed block, the electric connector is arranged in the cavity, the trigger block is connected to the cavity in a sliding mode, one end of the trigger rod is fixedly connected to the trigger block, the other end of the trigger rod penetrates through the cavity, and the trigger block is electrically connected with the electromagnetic block.

In foretell location frock of radial drilling is carried out to interior ring gear, place and set up the recess on the piece, and the both sides inner wall of recess all is through shell fragment fixedly connected with clamp splice, place and set up on the piece and step down the hole with recess matched with.

In the above-mentioned location frock of radial drilling is carried out to interior ring gear, the lower extreme lateral wall fixedly connected with gag lever post of placing the piece, and gag lever post and fixed station sliding connection.

In the above-mentioned location frock of radial drilling is carried out to interior ring gear, fixedly connected with slide bar on the screw thread piece, and the slide bar is connected with the inner wall sliding of fixed station.

In the above-mentioned location frock of radial drilling is carried out to interior ring gear, the tip of trigger bar is the circular arc design of throwing the face, a plurality of extension springs of fixedly connected with between the inner wall of trigger block and cavity.

In the positioning tool for radially drilling the inner gear ring, the lead angle of the bidirectional screw is smaller than the friction angle between the thread block and the bidirectional screw.

In the above-mentioned location frock of radial drilling is carried out to internal ring gear, the one end of two-way lead screw is run through the fixed station and is cup jointed and change the handle, and changes and to go up the cover and be equipped with the foam-rubber cushion.

In the above-mentioned location frock of radial drilling is carried out to internal ring gear, the blow vent has been seted up on the sucking disc, and threaded connection has the end cap on the blow vent.

The invention has the beneficial effects that: through the cooperation of the two-way lead screw that sets up and two screw thread pieces, can regulate and control two connecting rods and expand, make the sucking disc above that can carry out the actuation to the ring piece when supporting the inner wall of tight ring piece, avoid giving birth to the drunkenness when the ring piece of internal ring gear is driped, the belt pulley that sets up in addition, can realize the linkage of worm and two-way lead screw, and then at the in-process that the connecting rod expanded, can make the ring piece rise certain height, the drill bit of being convenient for drills, and the loaded down with trivial details of artifical bed hedgehopping has been avoided, the trigger mechanism who sets up, can support when tight ring piece inner wall at the sucking disc, make the circular telegram of electromagnetic block give birth to magnetism, make the air in the sucking disc by the suction, increase the actuation dynamics of sucking disc and.

The invention has the outstanding characteristics that: the expansion of two connecting rods is utilized, so that the sucking disc tightly abuts against the circular ring block of the inner gear ring, the sucking disc tightly sucks the circular ring block, the circular ring block is prevented from moving in the drilling process, the device can be matched with the expansion of the connecting rods, the circular ring block is lifted by a certain height, and the complexity of manual heightening is avoided.

Drawings

FIG. 1 is a schematic structural view in front perspective of a positioning tool for radially drilling an inner gear ring provided by the invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is an enlarged view of the structure at C in FIG. 1;

fig. 5 is an enlarged schematic view of the structure at D in fig. 1.

In the figure, 1 a fixed platform, 2 a bidirectional screw, 3 a thread block, 4 openings, 5 connecting rods, 6 hollow rods, 7 suckers, 8 magnetic sliding plates, 9 electromagnetic blocks, 10 return springs, 11 trigger mechanisms, 111 fixed blocks, 112 electric connectors, 113 trigger blocks, 114 trigger rods, 12 thread sleeves, 13 screw rods, 14 placement blocks, 15 worm wheels, 16 worms, 17 belt wheels, 18 belts, 19 grooves, 20 elastic sheets, 21 clamping blocks, 22 abdicating holes, 23 limiting rods, 24 sliding rods, 25 extension springs, 26 rotating handles, 27 air vents, 28 plugs and 29 cavities.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1-5, a location frock of radial drilling is carried out to internal ring gear, including fixed station 1, fixed station 1 is hollow structure, and rotate in fixed station 1 and be connected with two-way lead screw 2, threaded connection has two screw blocks 3 on the two-way lead screw 2, the lead screw angle of two-way lead screw 2 is less than the friction angle between screw block 3 and two-way lead screw 2, the lead screw angle design of two-way lead screw 2, can realize the auto-lock of screw block 3 and two-way lead screw 2, the one end of two-way lead screw 2 runs through fixed station 1 and has cup jointed and has changeed 26, and it is equipped with the foam-rubber cushion to change 26 to go up the cover, change 26 setting, convenient to use person controls two-way lead screw 2 and rotates, the setting of foam-rubber.

Fixedly connected with slide bar 24 on screw block 3, and slide bar 24 and fixed station 1's inner wall sliding connection, slide bar 24's setting, can avoid screw block 3 to follow two-way lead screw 2 and rotate in step, opening 4 has been seted up on fixed station 1, all rotate on two screw blocks 3 and be connected with the connecting rod 5 that runs through opening 4, and two connecting rods 5 are articulated each other, connecting rod 5 keeps away from the hollow pole 6 of one end fixedly connected with of screw block 3, and the intercommunication has sucking disc 7 on the hollow pole 6, vent 27 has been seted up on sucking disc 7, and threaded connection has end cap 28 on the vent 27, the cooperation of vent 27 and end cap 28, make sucking disc 7 and external intercommunication in the later stage of being convenient for, make its inside atmospheric pressure keep balance, be convenient for later stage and.

Sliding connection has magnetism slide 8 in the hollow rod 6, fixedly connected with electromagnetism piece 9 on the inner wall of hollow rod 6, and a plurality of reset spring 10 of fixedly connected with between magnetism slide 8 and the electromagnetism piece 9, and reset spring 10 can make magnetism slide 8 reset after electromagnetism piece 9 cuts off the power supply.

The sucking disc 7 is provided with a trigger mechanism 11 matched with the electromagnetic block 9, the trigger mechanism 11 comprises a fixed block 111, an electric connector 112, a trigger block 113 and a trigger rod 114, the fixed block 111 is fixedly connected to the sucking disc 7, the fixed block 111 is provided with a cavity 29, the electric connector 112 is arranged in the cavity 29, the trigger block 113 is slidably connected in the cavity 29, one end of the trigger rod 114 is fixedly connected to the trigger block 113, the other end of the trigger rod 114 penetrates through the cavity 29, the trigger block 113 is electrically connected with the electromagnetic block 9, and when the sucking disc 7 is abutted against the circular ring block through the arranged trigger rod 114, the trigger rod 114 drives the trigger block 113 to be contacted with the electric connector 112, so that the circuit is conducted, and the electromagnetic block 9 is electrified and magnetized.

The end part of the trigger rod 114 is designed to be an arc-shaped polished surface, a plurality of extension springs 25 are fixedly connected between the trigger block 113 and the inner wall of the cavity 29, the structural design of the trigger rod 114 can avoid the phenomenon that the trigger rod 114 is blocked when being abutted against a circular ring block, and the extension springs 25 can enable the trigger block 113 to return when the sucker 7 is separated from the circular ring block.

Rotate on the fixed station 1 and be connected with two thread bush 12, and threaded connection has screw rod 13 in the thread bush 12, the piece 14 is placed to the upper end fixedly connected with of screw rod 13, it sets up flutedly 19 to place on the piece 14, and the both sides inner wall of recess 19 all through shell fragment 20 fixedly connected with clamp splice 21, place and set up on the piece 14 and step down hole 22 with recess 19 matched with, recess 19's setting can be fixed a position the ring piece, the cooperation of shell fragment 20 and clamp splice 21, can realize tentatively stabilizing ring piece 1.

Place lower extreme lateral wall fixedly connected with gag lever post 23 of piece 14, and gag lever post 23 and 1 sliding connection of fixed station, the setting of gag lever post 23 can avoid screw 13 to follow the synchronous rotation of thread bush 12, all cup jointed worm wheel 15 on two thread bushes 12, rotate in the fixed station 1 and be connected with worm 16, and worm 16 meshes with worm wheel 15 mutually, all cup jointed belt pulley 17 on worm 16 and the two-way lead screw 2, and through the transmission of belt 18 between two belt pulley 17.

When the ring block of the inner gear ring needs to be fixed and positioned, firstly, two ends of the ring block are respectively placed in two grooves 19, at the moment, the clamping blocks 21 in the grooves 19 can tightly support the ring block under the action of the elastic sheet 20, so as to realize the primary stabilization of the ring block, then, the rotating handle 26 is rotated, the rotating handle 26 can drive the bidirectional screw rod 2 to rotate, due to the limiting action of the sliding rod 24, the two thread blocks 3 on the bidirectional screw rod 2 can be mutually separated, the two thread blocks 3 can drive the two connecting rods 5 to slowly expand in the moving process, meanwhile, the bidirectional screw rod 2 can drive the worm 16 to rotate under the transmission action of the belt pulley 17 and the belt 18, the worm 16 can drive the thread sleeve 12 to rotate through the worm wheel 15, due to the limiting action of the limiting rod 23, the two screw rods 13 can drive the two placing blocks 14 to synchronously ascend, so as to realize the ascending of the ring block 14 under the driving, when the sucking disc 7 supports tightly with the inner wall of ring piece, the trigger bar 114 can drive the trigger block 113 and touch with the electric connector 112 under the resistance effect of ring piece this moment, realize switching on of circuit, electromagnetism piece 9 can be circular telegram and produce magnetism this moment, under the suction effect of electromagnetism piece 9, magnetism slide 8 can slide and keep away from sucking disc 7, and with the air suction in the sucking disc 7 to hollow rod 6 in, make sucking disc 7 produce the negative pressure, firm actuation ring piece, ring piece 1 is fixed a position firmly this moment, and rise to suitable height under the effect of screw rod 13, can establish the mounting hole through the rig brill on the ring piece afterwards, can effectually avoid the ring piece of ring gear to take place the drunkenness at the in-process of drilling through the setting of this device, and avoided the loaded down with trivial details of artifical bed hedgehopping ring piece.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a location frock of radial drilling is carried out to internal ring gear, includes fixed station (1), its characterized in that, fixed station (1) is hollow structure, and the swivelling joint has two-way lead screw (2) in fixed station (1), threaded connection has two screw thread blocks (3) on two-way lead screw (2), open mouth (4) have been seted up on fixed station (1), two all the swivelling joint has connecting rod (5) that runs through opening (4) on screw thread block (3), and two connecting rod (5) are articulated each other, the one end fixedly connected with hollow rod (6) that screw thread block (3) were kept away from in connecting rod (5), and the intercommunication has sucking disc (7) on hollow rod (6), sliding connection has magnetic slide (8) in hollow rod (6), fixedly connected with electromagnetic block (9) on the inner wall of hollow rod (6), and fixedly connected with a plurality of reset spring (10) between magnetic slide (8) and electromagnetic block (9), be provided with on sucking disc (7) with electromagnetism piece (9) matched with trigger mechanism (11), it is connected with two thread bush (12) to rotate on fixed station (1), and threaded connection has screw rod (13) in thread bush (12), piece (14), two are placed to the upper end fixedly connected with of screw rod (13) worm wheel (15) have all been cup jointed on thread bush (12), it is connected with worm (16) to rotate in fixed station (1), and worm (16) and worm wheel (15) mesh mutually, all cup jointed belt pulley (17) on worm (16) and two-way lead screw (2), and through belt (18) transmission between two belt pulley (17).

2. The positioning tool for radially drilling the internal gear ring is characterized in that the trigger mechanism (11) comprises a fixed block (111), an electric connector (112), a trigger block (113) and a trigger rod (114), the fixed block (111) is fixedly connected to the suction cup (7), a cavity (29) is formed in the fixed block (111), the electric connector (112) is arranged in the cavity (29), the trigger block (113) is slidably connected in the cavity (29), one end of the trigger rod (114) is fixedly connected to the trigger block (113), the other end of the trigger rod (114) penetrates through the cavity (29), and the trigger block (113) is electrically connected with the electromagnet block (9).

3. The positioning tool for radially drilling the inner gear ring according to claim 1, wherein the placing block (14) is provided with a groove (19), inner walls of two sides of the groove (19) are fixedly connected with clamping blocks (21) through elastic sheets (20), and the placing block (14) is provided with abdicating holes (22) matched with the groove (19).

4. The tool for radially drilling the internal gear ring according to claim 3, wherein a limiting rod (23) is fixedly connected to the side wall of the lower end of the placing block (14), and the limiting rod (23) is slidably connected with the fixing table (1).

5. The tool for radially drilling the internal gear ring according to claim 1, wherein a sliding rod (24) is fixedly connected to the thread block (3), and the sliding rod (24) is slidably connected with the inner wall of the fixed table (1).

6. The tool for radially drilling the internal gear ring according to claim 2, wherein the end of the trigger rod (114) is designed to be a circular-arc polished surface, and a plurality of extension springs (25) are fixedly connected between the trigger block (113) and the inner wall of the cavity (29).

7. The tool for radially drilling the internal gear ring according to claim 1, wherein the lead angle of the bidirectional screw (2) is smaller than the friction angle between the thread block (3) and the bidirectional screw (2).

8. The tool for radially drilling the internal gear ring according to claim 1, wherein one end of the bidirectional screw rod (2) penetrates through the fixed table (1) and is sleeved with a rotating handle (26), and a spongy cushion is sleeved on the rotating handle (26).

9. The tool for radially drilling the internal gear ring according to claim 1, wherein the suction disc (7) is provided with an air vent (27), and the air vent (27) is in threaded connection with a plug (28).