CN222449536U

CN222449536U - Gear inner hole grinding device

Info

Publication number: CN222449536U
Application number: CN202421019050.XU
Authority: CN
Inventors: 张雪诚; 胡启明
Original assignee: ANHUI MINGYAN GEAR CO LTD
Current assignee: ANHUI MINGYAN GEAR CO LTD
Priority date: 2024-05-11
Filing date: 2024-05-11
Publication date: 2025-02-11
Anticipated expiration: 2034-05-11

Abstract

The utility model discloses a gear inner hole grinding device, which relates to the technical field of gear inner hole machining and aims at solving the problem that when a gear is clamped in the prior art, the inner hole of the gear to be machined cannot be aligned with the center of a grinding head due to the fact that the clamping device has no calibration function, so that the gear inner hole deviates from the center line of the grinding head, and the problem of grinding damage to the roundness of the gear inner hole caused by the fact that the grinding head deviates from the center line of the grinding head is solved.

Description

Gear inner hole grinding device

Technical Field

The utility model relates to the technical field of gear inner hole machining, in particular to a gear inner hole grinding machining device.

Background

The gear is a mechanical element on the rim, which is continuously engaged with the gear to transmit motion and power, the application of the gear in transmission has long appeared, the principle of generating gear cutting method and the sequential appearance of a special machine tool and a cutter for cutting teeth by using the principle are developed in the end of 19 th century, the running stability of the gear is emphasized along with the development of production, and the grinding of the inner hole of the gear is a work for grinding the hole in the gear.

The utility model provides an agricultural machinery gear hole abrasive machining device, it rotates to drive the installation axle through driving motor, and the installation axle drives driving gear and rotates the lead screw in step and rotate, and the screw thread section of thick bamboo drives the pressing board and along the guide spout longitudinal movement in the mounting bracket under the effect of rotating the lead screw to can carry out fixed centre gripping to the gear that waits to process in the backup pad, thereby can play fixed action to the gear that waits to process, and then be favorable to grinding the gear hole.

However, in actual use, the problem that the grinding head is damaged to the roundness of the inner hole of the gear due to the fact that the inner hole of the gear to be processed cannot be aligned to the center of the grinding head because the clamping device has no calibration function when the gear is clamped is found.

Disclosure of utility model

In order to solve the technical problems, the gear inner hole grinding device is provided, and the problem that in the prior art, the inner hole of a gear to be processed cannot be aligned with the center of a grinding head due to the fact that a clamping device does not have a calibration function, so that the gear inner hole deviates from the center line of the grinding head, and the grinding damage caused by the grinding head to the roundness of the inner hole of the gear is solved.

In order to achieve the aim, the technical scheme includes that the gear inner hole grinding device comprises a 匚 -shaped supporting table, a clamping platform arranged in the supporting table in a sliding mode and a placing platform arranged below the clamping platform, one side of the placing platform is fixed to the supporting table, through holes are formed in the clamping platform and the placing platform, two through holes correspond to each other, a motor I is arranged on one side of the top surface of the supporting table, an output shaft of the motor I rotates to penetrate into the supporting table and is fixedly provided with a screw rod, the screw rod sequentially penetrates through the clamping platform, the placing platform and is rotationally connected with the supporting table, a screw sleeve is sleeved on a screw rod body, and the screw sleeve is fixed on the top surface of the clamping platform.

The machining mechanism comprises a second motor arranged on the other side of the top surface of the supporting table, an output shaft of the second motor rotates to penetrate into the supporting table and is fixedly provided with a reciprocating screw rod, a screw sleeve of a rod body of the reciprocating screw rod is sleeved with a screw sleeve, a grinding head is fixed at the bottom end of the reciprocating screw sleeve, and the grinding head corresponds to the through hole above;

The calibrating mechanism comprises a moving rod which is sleeved on the screw rod body through threads, one end of the moving rod is in sliding connection with the inner side face of the supporting table, a positioning column is fixed on the top face of the rod body at the other end of the moving rod, the positioning column corresponds to the lower through hole, and a collecting part for collecting chips is arranged between the positioning column and the placing platform in a sliding mode.

Preferably, the collecting component comprises a storage tray slidably arranged on the bottom surface of the placement platform, one surface of the storage tray is open, and the opening of the storage tray corresponds to the lower part of the through hole.

Preferably, the collecting component further comprises a follow-up gear which is fastened and sleeved on the screw rod body, a rack is meshed with one side of the follow-up gear, one end of the rack is slidably penetrated through the supporting table and is fixedly provided with a limiting block, the other end of the rack is fixedly provided with a supporting block through a bolt, and the supporting block is fixedly connected with the containing disc.

Preferably, a support is sleeved on the second output shaft of the motor, the support is L-shaped, one end of the support is fixed on the supporting table, two sides of the reciprocating screw are respectively provided with an upright post fixed on the bottom surface of the support, and the bottom end of the upright post penetrates through the reciprocating screw sleeve in a sliding manner.

Compared with the prior art, the utility model has the advantages that:

(1) Through the setting of calibrating mechanism, when needing grinding the gear hole, can place the gear hole on place the platform, the gear hole aligns the reference column and inserts, and then starts motor one and corotates, drives the reference column and descends to break away from gear hole and below through-hole, so can be when the gear carries out the centre gripping, utilize the reference column to aim at the bistrique center with the hole of gear, prevent the bistrique that causes because of gear hole skew bistrique central line to the appearance of gear hole circularity grinding damage problem.

(2) Through the setting of collecting part, after the reference column calibration gear centre bore is finished, the rotation that starter motor forward rotation drove the screw rod causes the reference column to descend, at this in-process, follower gear is driven synchronous rotation by the screw rod, and drive through the meshing and drive rack and move towards the holding plate direction, drive simultaneously and hold the dish and move in step with the stopper, when the reference column descends to certain position, hold the dish and just remove between reference column and the place platform through-hole, so can be when the bistrique polishes gear hole centre, the piece that produces falls down through the below through-hole, accepted by the holding plate and accept, then solve the problem that the reference column surface is stuck to by the piece of gear hole grinding.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the collecting member of the present utility model;

fig. 3 is an enlarged schematic view of fig. 2a in accordance with the present utility model.

The reference numerals in the figures are:

1. A support table; 2, a clamping platform, 3, a placing platform, 4, a first motor, 5, a second motor, 6, a screw, 7, a screw sleeve, 8, a bracket, 9, a reciprocating screw sleeve, 10, a stand column, 11, a grinding head, 12, a positioning column, 13, a moving rod, 14, a storage disc, 15, a rack, 16, a limiting block, 17, a follower gear, 18, a reciprocating screw, 19 and a supporting block.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Referring to fig. 1 to 3, a gear inner hole grinding device comprises a support table 1 in a 匚 shape, a clamping platform 2 arranged in the support table 1 in a sliding manner and a placing platform 3 arranged below the clamping platform 2, wherein one side of the placing platform 3 is fixed on the support table 1, through holes are formed in the clamping platform 2 and the placing platform 3, the two through holes correspond to each other, a motor 4 is arranged on one side of the top surface of the support table 1, an output shaft of the motor 4 rotates to penetrate into the support table 1 and is fixed with a screw rod 6, the screw rod 6 sequentially penetrates through the clamping platform 2 and the placing platform 3 and is connected with the support table 1 in a rotating manner, a screw sleeve 7 is sleeved on a rod body of the screw rod 6, the screw sleeve 7 is fixed on the top surface of the clamping platform 2, and a processing mechanism for grinding the gear inner hole is arranged on one side of the screw rod 6.

The machining mechanism comprises a second motor 5 arranged on the other side of the top surface of the supporting table 1, an output shaft of the second motor 5 rotates to penetrate into the supporting table 1 and is fixedly provided with a reciprocating screw 18, a rod body of the reciprocating screw 18 is sleeved with a reciprocating screw sleeve 9 in a threaded manner, a grinding head 11 is fixed at the bottom end of the reciprocating screw sleeve 9, and the grinding head 11 corresponds to the upper through hole;

A bracket 8 is sleeved on the output shaft of the motor II 5, the bracket 8 is L-shaped, one end of the bracket 8 is fixed on the supporting table 1, two sides of the reciprocating screw 18 are respectively provided with a stand column 10 fixed on the bottom surface of the bracket 8, and the stand column 10 penetrates through the reciprocating screw sleeve 9 in a sliding manner;

Through the setting of processing mechanism, when needing to grind the processing to the gear hole, can place the gear at the top surface of place platform 3 first, start motor one 4 corotation, utilize motor one 4 output shaft to drive screw rod 6 rotation, this in-process screw rod 6 drives spiral shell sleeve 7 and centre gripping platform 2 rotation and receives the restriction of brace table 1 and makes centre gripping platform 2 extend screw rod 6 to do the decline motion until offset with the gear on the place platform 3, then with the gear on the place platform 3 centre gripping, immediately close motor one 4, start motor two 5 drive reciprocating screw rod 18 rotation through motor two 5 output shafts, this in-process reciprocating screw rod 18 drives reciprocating screw sleeve 9 and receives the restriction of stand 10, make reciprocating screw sleeve 9 extend reciprocating screw rod 18 and do axial reciprocating motion, and drive bistrique 11 reciprocal through centre gripping platform 2 and the through-hole of place platform 3, and grind the gear hole between centre gripping platform 2 and the place platform 3.

However, from practical point of view, when the placing platform 3 and the clamping platform 2 clamp the gear, the center hole of the gear is aligned to the center of the moving rod 13 without a calibrating device, and the gear cannot be accurately calibrated only by naked eyes, so that when the moving rod 13 grinds the inner hole of the gear, the grinding head damages the roundness of the inner hole of the machined gear.

In order to solve the above-described problems, it should be noted that, as shown in fig. 1 to 3, a calibration mechanism for aligning the center hole of the grinding head 11 for gear machining is provided below the placement platform 3.

The calibration mechanism comprises a movable rod 13 which is sleeved on the rod body of the screw rod 6 through threads, one end of the movable rod 13 is in sliding connection with the inner side surface of the supporting table 1, the top surface of the rod body at the other end of the movable rod 13 is fixed with a positioning column 12, and the positioning column 12 corresponds to a lower Fang Tongkong;

Through the setting of calibration mechanism, when needing the grinding gear hole, can place the gear hole on place the platform 3, the gear hole aligns reference column 12 and inserts, then start motor one 4 corotation, in the in-process of holding platform 2 decline centre gripping place platform 3 upper gear, movable rod 13 is driven by screw rod 6, but movable rod 13 receives the restriction of brace table 1 lateral wall and extends screw rod 6 to do the decline motion, and drive reference column 12 decline and break away from gear hole and Fang Tongkong down, the centre gripping of the gear on the platform 3 is just held to centre gripping platform 2 at this moment, then start motor two 5, make bistrique 11 can not touch with reference column 12 when polishing the gear hole, after polishing, start motor one 4 contra rotation drives centre gripping platform 2 and reference column 12 and rises, take away the gear after, reference column 12 wears out the below through-hole again, so that next gear processing location, when the centre gripping is carried out to the gear, utilize reference column 12 to aim at the center bistrique with the hole of gear, prevent the emergence roundness damage problem to the bistrique that the gear hole caused because of gear hole skew bistrique central line.

After a period of use, it was found that the chips generated by the movable rod 13 during grinding the gears fall onto the receiving plate 14 through the through holes of the clamping platform 2, so that many chips adhered to the surface of the receiving plate 14 become phase-changed to increase the cross-sectional area of the receiving plate 14, and then the problem of jamming occurs when the central hole of the gears is sleeved on the receiving plate 14.

In view of the above, referring to fig. 1 to 3, it should be noted that a collecting member for collecting the chips is slidably disposed between the positioning column 12 and the placement platform 3.

The collecting part comprises a containing disc 14 which is arranged on the bottom surface of the placing platform 3 in a sliding manner, one surface of the containing disc 14 is open, and the opening of the containing disc 14 corresponds to the lower through hole;

The collecting part further comprises a follow-up gear 17 which is fastened and sleeved on the rod body of the screw rod 6, one side of the follow-up gear 17 is meshed with a rack 15, one end of the rack 15 is slidably penetrated through the supporting table 1 and fixed with a limiting block 16, the other end of the rack 15 is fixed with a supporting block 19 through a bolt, and the supporting block 19 is fixedly connected with the storage tray 14.

Through the setting of collecting part, after the locating column 12 calibration gear centre bore is finished, the rotation that the first 4 forward rotations of starter motor drove screw rod 6 causes locating column 12 to descend, in this process, follower gear 17 is driven synchronous rotation by screw rod 6, and drive through the meshing and drive rack 15 and move towards storage dish 14 direction, simultaneously drive storage dish 14 and stopper 16 synchronous movement, when locating column 12 descends to certain position, storage dish 14 just moves to between locating column 12 and the through-hole of place platform 3, stopper 16 offsets with supporting bench 1 lateral wall simultaneously, lead to storage dish 14 and rack 15 unable continue to move, close motor one afterwards, so can be when grinding wheel 11 polishes the gear hole centre, the piece that produces falls through the below through-hole, by the storage dish 14 of being moved to between locating column 12 and the place platform 3 accepts, then solve the problem that the locating column 12 surface is stuck up by the piece of gear hole grinding.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A gear inner hole grinding processing device, comprising a support platform (1) in the shape of a Chinese character "匚", a clamping platform (2) slidably arranged in the support platform (1), and a placement platform (3) arranged below the clamping platform (2), one side of the placement platform (3) is fixed to the support platform (1), and through holes are opened on the clamping platform (2) and the placement platform (3), and the two through holes correspond to each other. A motor (4) is installed on one side of the top surface of the support platform (1), and the output shaft of the motor (4) rotates and penetrates into the support platform (1). A screw rod (6) is fixed inside the platform (1), and the screw rod (6) passes through the clamping platform (2) and the placing platform (3) in sequence and is rotatably connected to the support platform (1). A screw sleeve (7) is threadedly sleeved on the rod body of the screw rod (6), and the screw sleeve (7) is fixed on the top surface of the clamping platform (2). The characteristic is that a processing mechanism for grinding the inner hole of the gear is arranged on one side of the screw rod (6), and a calibration mechanism for aligning the center hole of the gear with the grinding head (11) is arranged below the placing platform (3);

The processing mechanism comprises a second motor (5) installed on the other side of the top surface of the support platform (1), the output shaft of the second motor (5) rotates and penetrates into the support platform (1) and is fixed with a reciprocating screw (18), the shaft of the reciprocating screw (18) is threadedly sleeved with a reciprocating screw sleeve (9), a grinding head (11) is fixed at the bottom end of the reciprocating screw sleeve (9), and the grinding head (11) corresponds to the through hole above;

The calibration mechanism comprises a moving rod (13) threadedly sleeved on the rod body of the screw rod (6), one end of the moving rod (13) being slidably connected to the inner side surface of the support platform (1), a positioning column (12) being fixed to the top surface of the rod body at the other end of the moving rod (13), the positioning column (12) corresponding to the through hole below, and a collecting component for collecting debris being slidably arranged between the positioning column (12) and the placement platform (3).

2. A gear inner hole grinding processing device according to claim 1, characterized in that the collecting component includes a storage tray (14) slidably arranged on the bottom surface of the placement platform (3), one side of the storage tray (14) is open, and the opening of the storage tray (14) corresponds to the through hole below.

3. A gear inner hole grinding processing device according to claim 2, characterized in that the collecting component also includes a follower gear (17) tightly sleeved on the rod body of the screw rod (6), and a rack (15) is meshed on one side of the follower gear (17), one end of the rack (15) slides through the support platform (1) and is fixed with a limiting block (16), and the other end of the rack (15) is fixed with a support block (19) by bolts, and the support block (19) is fixedly connected to the storage tray (14).

4. A gear inner hole grinding processing device according to claim 1, characterized in that a bracket (8) is sleeved on the output shaft of the second motor (5), the bracket (8) is L-shaped and one end is fixed to the support platform (1), and columns (10) fixed to the bottom surface of the bracket (8) are respectively arranged on both sides of the reciprocating screw (18), and the bottom end of the column (10) slides through the reciprocating screw sleeve (9).