CN222430394U - A polishing fixture for inner surface of gear ring - Google Patents

Abstract

The utility model discloses a gear ring inner surface polishing clamp, which relates to the technical field of gear ring processing and comprises a bottom frame, wherein a supporting table is arranged on the bottom frame, a first motor is arranged on the inner top wall of the bottom frame, a driving disk is arranged at the output end of the first motor, the driving disk rotates in the supporting table, arc-shaped grooves are arranged on the driving disk in an array manner, a sliding groove is arranged on the supporting table in an array manner, clamping plates for clamping the outer side of the gear ring are connected in the sliding groove in a sliding manner, a connecting block is arranged at the lower end of the clamping plates, a cylindrical lug is arranged at the bottom side of the connecting block and is connected in the arc-shaped grooves at corresponding positions in a sliding manner, a bracket is arranged at one side of the upper end of the bottom frame, and a polishing mechanism is arranged on the bracket. According to the utility model, the first motor drives the driving disc to rotate, the arc-shaped groove on the driving disc drives the lug to drive the clamping plate to move towards the center through the sliding groove, so that the clamping plate clamps the gear ring, the bulge of the limiting block is inserted into the teeth of the gear ring and is arranged on the clamping plate through the nut, the rotation is avoided, and the gear rings with different types can be clamped.

Description

Gear ring inner surface polishing clamp

Technical Field

The utility model relates to the technical field of gear ring machining, in particular to a gear ring inner surface polishing clamp.

Background

The flywheel has a large moment of inertia, and the engine speed is also variable because the work of the cylinders of the engine is discontinuous. When the rotation speed of the engine is increased, the kinetic energy of the flywheel is increased to store energy, and when the rotation speed of the engine is reduced, the kinetic energy of the flywheel is reduced to release energy. The flywheel may be used to reduce speed fluctuations during engine operation. The flywheel generally comprises flywheel base member, ring gear, clutch locating pin and bearing etc. wherein the ring gear need carry out polishing to its internal surface when processing and handles, and current processing anchor clamps need manual regulation of personnel, simultaneously, because the size and the number of teeth of the all different used flywheel of car, a set of ring gear processing anchor clamps can only process the ring gear that uses with it in cooperation, when processing different ring gears, need change corresponding anchor clamps, have increased the work load, and take place the damage that bumps into the anchor clamps easily in the change process. Accordingly, there is a need for a ring gear inner surface polishing jig that solves the above-described problems.

Disclosure of utility model

The utility model aims to provide a gear ring inner surface polishing clamp which solves the defects caused by the prior art.

The utility model provides a ring gear internal surface polishing anchor clamps, includes the chassis, the brace table is installed to the upper end of chassis, the first motor is installed to the roof in the chassis, the driving disk is installed to the output of first motor, the driving disk rotates inside the brace table, the array is provided with the arc wall on the driving disk, the array is provided with the spout on the brace table, sliding connection has the splint that are used for carrying out the centre gripping to the ring gear outside in the spout, the lower extreme of splint is equipped with the connecting block of butt on the driving disk, the lug of cylinder is installed to the connecting block downside, lug sliding connection is in the arc wall of corresponding position, the support is installed to upper end one side of chassis, install the polishing mechanism that is used for carrying out the polishing to the ring gear internal surface on the support.

Preferably, the bolt is installed to the upside of splint, the stopper has been cup jointed on the bolt, be equipped with on the stopper with bolt sliding fit's logical groove, be equipped with the protrusion of inserting the ring gear tooth on the stopper.

Preferably, the polishing mechanism comprises a cylinder arranged on the extending end of the support, a connecting frame is arranged at the output end of the cylinder, a guide rod is arranged at the upper end of the connecting frame and symmetrical to the position of the cylinder, the guide rod is in sliding fit with the extending end of the support, a second motor is arranged at the inner bottom side of the connecting frame, a mounting disc is arranged at the output end of the second motor, and a polishing sheet is arranged at the lower end of the mounting disc.

Preferably, the side wall of the supporting table is provided with communication grooves communicated with the inner side of the supporting table in an array manner.

Preferably, support legs for supporting the underframe are arranged at four corners of the bottom side of the underframe.

The polishing device has the advantages that the driving disc is driven to rotate through the first motor, the arc-shaped groove on the driving disc pushes the lug to move, the lug drives the clamping plate to move towards the center in the sliding groove, the clamping plate clamps the gear ring and performs centering operation on the gear ring, the limiting block is sleeved at the bolt at the upper end of the clamping plate through the through groove, the protrusion of the limiting block is inserted into the tooth of the gear ring, then the limiting block is limited through the nut, the gear ring is prevented from rotating along with the polishing sheet in the polishing process, meanwhile, the whole device can perform centering clamping operation on gear rings of different types without changing a clamp, the workload is reduced, and then a polishing mechanism is started to perform polishing operation on the inner wall of the gear ring.

Drawings

Fig. 1 is a schematic view of the structure of the present utility model at different view angles.

FIG. 2 is a schematic view of the structure of the utility model without the mounting bracket and the polishing mechanism.

Fig. 3 is a schematic view of the structure of the utility model without the ring gear, carrier and polishing mechanism.

Fig. 4 is a schematic view of the structure of the inside of the chassis of the present utility model.

Fig. 5 is a schematic view of the assembly of the support table, clamping plate and drive plate of the present utility model.

Fig. 6 is a schematic view of the structure of the support table and clamping plate assembly of the present utility model.

FIG. 7 is a schematic view of the assembly of the clamping plate, the connecting block, the bump and the stopper according to the present utility model.

The polishing device comprises a 1-underframe, a 2-supporting table, a 3-first motor, a 4-driving disc, a 5-arc groove, a 6-sliding groove, a 7-gear ring, an 8-clamping plate, a 9-connecting block, a 10-lug, an 11-bracket, a 12-polishing mechanism, a 13-bolt, a 14-limiting block, a 15-through groove, a 16-cylinder, a 17-connecting frame, a 18-guide rod, a 19-second motor, a 20-mounting disc, a 21-polishing sheet and a 22-through groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 7, a gear ring inner surface polishing clamp comprises a chassis 1, a supporting table 2 is installed at the upper end of the chassis 1, a first motor 3 is installed at the inner top wall of the chassis 1, a driving disc 4 is installed at the output end of the first motor 3, the driving disc 4 rotates inside the supporting table 2, an arc-shaped groove 5 is arranged on the driving disc 4 in an array manner, a sliding groove 6 is arranged on the supporting table 2 in an array manner, a clamping plate 8 for clamping the outer side of the gear ring 7 is slidably connected in the sliding groove 6, a connecting block 9 which is abutted to the driving disc 4 is arranged at the lower end of the clamping plate 8, a cylindrical lug 10 is installed at the bottom side of the connecting block 9, the lug 10 is slidably connected in the arc-shaped groove 5 at the corresponding position, a bracket 11 is installed at one side of the upper end of the chassis 1, and a polishing mechanism 12 for polishing the inner surface of the gear ring 7 is installed on the bracket 11. The first motor 3 electric connection is on present power, spout 6 is the structure of "T" that falls, the upper end of connecting block 9 and the both sides wall butt that is close to the upper end are on the inner wall of spout 6, and to clamp plate 8 and connecting block 9 guide and spacing through spout 6, the width of connecting block 9 is greater than the width of arc wall 5 to avoid connecting block 9 embedding arc wall 5 in, arc wall 5 extends to driving disk 4 centre of a circle by driving disk 4 outer wall.

In this embodiment, a bolt 13 is installed on the upper side of the clamping plate 8, a limiting block 14 is sleeved on the bolt 13, a through groove 15 in sliding fit with the bolt 13 is arranged on the limiting block 14, and a protrusion inserted into the tooth of the gear ring 7 is arranged on the limiting block 14. The protrusions on the limiting block 14 are intermittently matched with teeth of the gear ring 8, the gear ring 8 is limited to rotate through the protrusions on the limiting block 14 during polishing, and the through groove 15 is in a round rectangle, so that adjustment is convenient according to different tooth positions.

In this embodiment, the polishing mechanism 12 includes a cylinder 16 mounted on the extending end of the support 11, a connecting frame 17 is mounted at the output end of the cylinder 16, a guide rod 18 is mounted at the upper end of the connecting frame 17 and symmetrical to the position of the cylinder 16, the guide rod 18 is in sliding fit with the extending end of the support 11, a second motor 19 is mounted at the inner bottom side of the connecting frame 17, a mounting disc 20 is mounted at the output end of the second motor 19, and a polishing sheet 21 is mounted at the lower end of the mounting disc 20. The second motor 19 is electrically connected to a field power supply, the polishing sheet 21 is connected to the mounting plate 20 through bolts, and the polishing sheet 21 can be replaced when the gear rings 8 with different inner diameters are polished.

In this embodiment, the side wall of the support table 2 is provided with an array of communication grooves 22 for communicating with the inside of the support table 2. By performing the blasting operation on one side connecting groove 22, the polishing debris that falls into the support table 2 is discharged from the other two side connecting grooves 22, thereby performing the cleaning operation on the inside of the support table 2 and the drive disk 4.

In this embodiment, support legs for supporting the chassis 1 are installed at four corners of the bottom side of the chassis 1.

The gear ring 7 is placed on the table top of the supporting table 2, then the first motor 3 is started to drive the driving disc 4 to rotate, the arc-shaped groove 5 on the driving disc 4 drives the lug 10 to move, the lug 10 drives the clamping plate 8 to move towards the center in the sliding groove 6, the clamping plate 8 clamps the gear ring 7 and centers the gear ring 7, then the limiting block 14 is manually sleeved at the bolt 13 at the upper end of the clamping plate 8 through the through groove 15, the protrusion of the limiting block 14 is inserted into the tooth of the gear ring 7, the limiting block 14 is abutted to the upper end of the clamping plate 8, the limiting block 14 is fixedly limited through a nut, the starting cylinder 16 drives the connecting frame 17 to move downwards under the guiding action of the guide rod 18, the second motor 19 is started to rotate the polishing plate 21 to polish the inner wall of the gear ring 7, after polishing, the reverse starting cylinder 16 drives the connecting frame 17 to move upwards, the first motor 3 is reversely started to drive the driving disc 45 to drive the lug 10 to move away from the center, and the gear ring 7 is manually taken to finish a polishing cycle.

According to the utility model, the driving disc 4 is driven to rotate by the first motor 3, the arc-shaped groove 5 on the driving disc 4 pushes the convex block 10 to move, the convex block 10 drives the clamping plate 8 to move towards the center in the chute 6, so that the clamping plate 8 clamps the gear ring 7 and centers the gear ring 7, the limiting block 14 is sleeved at the bolt 13 at the upper end of the clamping plate 8 through the through groove 15, the bulge of the limiting block 14 is inserted into the tooth of the gear ring 7, then the limiting block 14 is limited by the nut, the gear ring 7 is prevented from rotating along with the polishing piece 21 in the polishing process, meanwhile, the whole device can center and clamp the gear rings 7 of different models, the workload is not required to be reduced by changing the clamp, and then the polishing mechanism 12 is started to polish the inner wall of the gear ring 7.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims (5)

1. The gear ring inner surface polishing clamp is characterized by comprising a bottom frame (1), wherein a supporting table (2) is arranged at the upper end of the bottom frame (1), a first motor (3) is arranged at the inner top wall of the bottom frame (1), a driving disc (4) is arranged at the output end of the first motor (3), the driving disc (4) rotates inside the supporting table (2), arc grooves (5) are arranged on the driving disc (4) in an array manner, sliding grooves (6) are arranged on the supporting table (2), clamping plates (8) used for clamping the outer sides of gear rings (7) are connected in a sliding manner in the sliding grooves (6), connecting blocks (9) are arranged at the lower ends of the clamping plates (8) and are abutted to the driving disc (4), cylindrical bumps (10) are arranged at the bottom sides of the connecting blocks (9), the bumps (10) are connected in the arc grooves (5) at corresponding positions in a sliding manner, a bracket (11) is arranged at one side of the upper end of the bottom frame (1), and a polishing mechanism (12) used for polishing the inner surface of the gear rings (7) is arranged on the bracket (11).

2. The gear ring inner surface polishing clamp is characterized in that a bolt (13) is arranged on the upper side of the clamping plate (8), a limiting block (14) is sleeved on the bolt (13), a through groove (15) which is in sliding fit with the bolt (13) is formed in the limiting block (14), and a protrusion which is inserted into the tooth of the gear ring (7) is formed in the limiting block (14).

3. The gear ring inner surface polishing clamp according to claim 1, wherein the polishing mechanism (12) comprises a cylinder (16) mounted on the extending end of the support (11), a connecting frame (17) is mounted at the output end of the cylinder (16), a guide rod (18) is mounted at the upper end of the connecting frame (17) and symmetrical to the position of the cylinder (16), the guide rod (18) is in sliding fit with the extending end of the support (11), a second motor (19) is mounted at the inner bottom side of the connecting frame (17), a mounting disc (20) is mounted at the output end of the second motor (19), and a polishing sheet (21) is mounted at the lower end of the mounting disc (20).

4. The gear ring inner surface polishing jig as claimed in claim 1, wherein the side wall of the support table (2) is provided with communication grooves (22) communicating with the inside of the support table (2) in an array.

5. A ring gear inner surface polishing jig as claimed in claim 1, wherein support legs for supporting said base frame (1) are installed at four corners of the bottom side of said base frame (1).