阅读说明：本技术 一种内齿齿轮表面精细化处理装置 (Internal tooth gear surface refining device ) 是由 黄廷波 陆小兵 李荫现 龚仁春 周智慧 葛澄 于 2021-06-17 设计创作，主要内容包括：本发明公开了一种内齿齿轮表面精细化处理装置,包括底座；所述底座和磨粒流设备固定连接,所述底座上设有与磨粒流设备出料处接口,所述底座上可拆卸连接设有一用于包裹内齿齿轮的套筒,所述套筒上可拆卸连接设有一罩盖,所述罩盖与磨粒流设备滑动密封连接,所述罩盖上设有与磨粒流设备进料处接口,当所述底座、套筒和罩盖连接安装至磨粒流设备后可对内齿齿轮的齿面毛刺、内孔毛刺进行去除,同时对内齿齿轮表面划痕进行修复,并利用磨粒设备挤出磨粒的动力带动内齿齿轮转动,加强磨粒流去除的效率,同时对齿轮上下端面和外侧面进行修复和去除毛刺。(The invention discloses an internal gear surface refining treatment device, which comprises a base; the base is fixedly connected with the abrasive particle flow equipment, an interface at the discharging position of the abrasive particle flow equipment is arranged on the base, a sleeve used for wrapping an internal gear is arranged on the base in a detachable connection mode, a cover cap is arranged on the sleeve in a detachable connection mode, the cover cap is connected with the abrasive particle flow equipment in a sliding and sealing mode, an interface at the feeding position of the abrasive particle flow equipment is arranged on the cover cap, when the base, the sleeve and the cover cap are connected and installed to the abrasive particle flow equipment, tooth surface burrs and inner hole burrs of the internal gear can be removed, scratches on the surface of the internal gear are repaired simultaneously, the internal gear is driven to rotate by the power of the abrasive particle extruding equipment, the abrasive particle flow removing efficiency is enhanced, and meanwhile the upper end face and the lower end face of the gear and the outer side face of the gear are repaired and deburred.)

1. The utility model provides an internal tooth gear surface refining device which characterized in that: comprises a base (1); base (1) and abrasive flow equipment fixed connection, be equipped with on base (1) with abrasive flow equipment ejection of compact department interface (10), the connection of can dismantling is equipped with one and is used for wrapping up sleeve (2) of internal gear on base (1), the connection of can dismantling is equipped with a shroud (3) on sleeve (2), shroud (3) and abrasive flow equipment sliding seal are connected, be equipped with on shroud (3) and flow equipment feeding department interface (31) with the abrasive flow, work as base (1), sleeve (2) and shroud (3) are connected and are installed and can get rid of internal tooth gear's flank of tooth burr, hole burr behind the abrasive flow equipment to the abrasive flow equipment, restore internal tooth gear surface mar simultaneously.

2. An internal gear surface refining apparatus according to claim 1, wherein: the abrasive particle flow device is characterized in that a plurality of first bolt through holes (11) used for being connected with abrasive particle flow equipment are uniformly formed in the upper circumference of the base (1), a first arranging groove (12) is formed in the upper end face of the base (1), a sheet metal part (13) is installed in the first arranging groove (12), a positioning groove (16) is further formed in the upper end face of the base (1), a rubber sleeve (17) is filled in the positioning groove (16), the diameter of the positioning groove (16) is larger than that of the first arranging groove (12), and a limiting groove (18) used for being buckled with the sleeve (2) is formed in the rubber sleeve (17).

3. An internal gear surface refining apparatus according to claim 2, wherein: the grinding wheel is characterized in that the sheet metal part (13) is formed into a U shape through die casting, a volute groove (15) for enabling abrasive particles to pass through is formed in the upper end face of the bottom of the sheet metal part (13), the side edge of the sheet metal part (13) can deform after being extruded, and the upper end face of the sheet metal part (13) is used for placing the internal gear 4.

4. An internal gear surface refining apparatus according to claim 3, wherein: the inner circumference of the internal gear (4) is uniformly provided with a plurality of internal gears (40), and one end face of each internal gear (40) is provided with a hydraulic hole (41) communicated with the outside.

5. An internal gear surface refining apparatus according to claim 1, wherein: a first outer cover (20) is established to the outside slip cap of sleeve (2) downside, first outer cover (20) with constitute first cushion chamber (22) between sleeve (2), first cushion chamber (22) internal seal slides and is equipped with a first sealed piece (21), first sealed piece (21) with sleeve (2) welding, first sealed piece (21) with first cushion chamber (22) upper end wall is connected through a plurality of first springs (220), terminal surface welding is equipped with one under first outer cover (20) with spacing collar (201) that spacing groove (18) lock is connected.

6. An internal gear surface refinement processing apparatus according to claim 5, wherein: a second housing cover (23) is sleeved outside the upper side of the sleeve (2), the second housing cover (23) is close to one side face of the sleeve (2) and a second buffer cavity (24) is formed by the sleeve (2), a second sealing block (26) is arranged in the second buffer cavity (24) in a sliding mode in a sealing mode, the second sealing block (26) is connected with the second buffer cavity (24) through a second spring (25), the second sealing block (26) is welded with the sleeve (2), a connecting ring (27) is fixedly arranged on the upper end face of the second housing cover (23), and a plurality of threaded holes (271) are formed in the circumference of the connecting ring (27).

7. An internal gear surface refining apparatus according to claim 1, wherein: the cover cap (3) comprises a plurality of second bolt through holes (30), an abrasive particle flow equipment feeding port interface (31) and a second placement groove (32), wherein the second bolt through holes (30) are used for enabling the cover cap (3) to be in bolted connection with the connecting ring (27), and the second placement groove (32) is used for installing a second sheet metal part (13).

Technical Field

The invention belongs to the field of precision gears, and particularly relates to a surface refining treatment device for an internal gear.

Background

Internal gear is a common spare part that realizes power transmission, internal gear through hydraulic pressure transmission power need bore one on every flank of tooth with external UNICOM's hole, however when processing internal gear tooth profile and drilling, often leave a large amount of burrs in flank of tooth and drilling and flank of tooth junction, influence the power transmission of gear, directly use the abrasive flow among the prior art to flow in from one side opening part of internal gear, flow out the deburring from drilling department and opposite side opening part, directly flow out the grit to external space, this kind of mode work efficiency is low, need artifical supplementary in collecting the grit to equipment, and can't have the burr of internal gear terminal surface through this kind of mode, and internal gear is adding man-hour, the indentation that the anchor clamps produced can't be got rid of, still need the manual work to polish, can't accomplish the internal gear of the fine-tuning.

Disclosure of Invention

The invention provides a device for finely processing the surface of an internal gear, aiming at solving the problems that the deburring of the internal gear is not thorough after the internal gear is processed and the efficiency is low in the prior art.

The technical scheme of the invention is as follows: an internal gear surface refining treatment device comprises a base; the base and the abrasive particle flow equipment are fixedly connected, an interface at the discharging position of the abrasive particle flow equipment is arranged on the base, a sleeve used for wrapping an internal gear is arranged on the base in a detachable connection mode, a cover cap is arranged on the sleeve in a detachable connection mode, the cover cap is connected with the abrasive particle flow equipment in a sliding and sealing mode, an interface at the feeding position of the abrasive particle flow equipment is arranged on the cover cap, and when the base, the sleeve and the cover cap are connected and installed to the abrasive particle flow equipment, tooth surface burrs and inner hole burrs of the internal gear can be removed, and scratches on the surface of the internal gear can be repaired simultaneously.

Preferably, the circumference evenly is equipped with a plurality of first bolt via holes that are used for flowing equipment with the grit and is connected on the base, first arrangement groove has been seted up to the base up end, be used for installing the sheet metal component in the first arrangement groove, the constant head tank has still been seted up to the base up end, the constant head tank intussuseption is equipped with the rubber sleeve, the constant head tank diameter is greater than first arrangement groove diameter, be equipped with in the rubber sleeve be used for with the spacing groove of sleeve lock.

Preferably, the sheet metal part is formed into a U shape through die casting, a volute groove for allowing abrasive particles to pass through is formed in the upper end face of the bottom of the sheet metal part, the side edge of the sheet metal part can be deformed after being extruded, and the upper end face of the sheet metal part is used for placing an internal gear.

Preferably, a plurality of gear inner teeth are uniformly arranged on the inner circumference of the internal gear, and a hydraulic hole communicated with the outside is formed in one end face of each gear inner tooth.

Preferably, a first outer cover is established to the outside slip cap of sleeve downside, first outer cover with constitute first cushion chamber between the sleeve, the sealed slip of first cushion chamber is equipped with a first sealed piece, first sealed piece with the sleeve welding, first sealed piece with first cushion chamber up end wall is through a plurality of first spring coupling, end face welding is equipped with one under the first outer cover with the spacing collar that the spacing groove lock is connected.

Preferably, a second housing cover is sleeved outside the upper side of the sleeve, the second housing cover is close to one side face of the sleeve and forms a second buffer cavity with the sleeve, a second sealing block is arranged in the second buffer cavity in a sealing and sliding mode, the second sealing block is connected with the second buffer cavity through a second spring, the second sealing block is welded with the sleeve, a connecting ring is fixedly arranged on the upper end face of the second housing cover, and a plurality of threaded holes are formed in the circumference of the connecting ring.

Preferably, the cover cap comprises a plurality of second bolt through holes, an abrasive particle flow equipment feeding port and a second placement groove, the second bolt through holes are used for enabling the cover cap to be in bolted connection with the connecting ring, and the second placement groove is used for installing a second sheet metal part.

Mounting mode;

1. inserting an interface at the discharging position of abrasive particle flow equipment on a base into a discharging hole of the abrasive particle flow equipment, fixing the base to the abrasive particle flow equipment by using a bolt, placing a first sheet metal part into a first placing groove, and placing an internal gear onto the upper end surface of the sheet metal part;

2. the sleeve is sleeved on the internal gear, the limiting ring is connected with the limiting groove in a buckling mode, the outer side surface of the sheet metal part is extruded by one side end face of the first outer shell cover at the moment, the sheet metal part and the first outer shell cover are attached and close to each other, and abrasive particles are prevented from flowing out of the joint of the base and the lower end face of the first outer shell cover;

3. at the moment, an operator can manually lift the connecting ring after installing the second sheet metal part into the second placing groove, the second spring and the first spring are stretched, the upper end face of the connecting ring is attached to the lower end face of the cover cap, the cover cap and the connecting ring are connected through bolts, the device on one side of the abrasive particle flow equipment recovery port is lowered to the position, and the abrasive particle flow equipment feeding port is inserted into the abrasive particle flow equipment recovery port for a certain distance, so that the abrasive particle flow equipment can operate.

Has the advantages that:

1. the invention can be suitable for internal gear with various specifications, after the contact surface of the gear and the sheet metal part forms a gap by utilizing the jacking force of the abrasive particles of the abrasive particle flow equipment, the internal gear is driven to rotate by utilizing the power of the abrasive particle flow equipment for extruding the abrasive particles, and the removal efficiency of the abrasive particle flow is enhanced;

2. according to the invention, the power of the abrasive particles extruded by the abrasive particle flow equipment is changed into the rotating force of the internal gear by utilizing the hydraulic hole in the internal gear, so that the burr polishing effect of the internal gear is enhanced, and simultaneously, scratches and indentations possibly existing on the outer side surface of the internal gear are repaired.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cutaway isometric view of the present invention;

FIG. 3 is a perspective view of an internally toothed gear;

FIG. 4 is a perspective view of the 13-part of FIG. 2;

in the figure, a base 1, an abrasive particle flow equipment discharging port interface 10, a first bolt through hole 11, a first placement groove 12, a sheet metal part 13, a spiral groove 15, a positioning groove 16, a rubber sleeve 17, a limiting groove 18, a sleeve 2, a first outer shell cover 20, a limiting ring 201, a first sealing block 21, a first buffer cavity 22, a first spring 220, a second outer shell cover 23, a second buffer cavity 24, a second spring 25, a second sealing block 26, a connecting ring 27, a threaded hole 271, a cover 3, a second bolt through hole 30, an abrasive particle flow equipment feeding port interface 31, a second placement groove 32, an internal gear 4, an internal gear 40 and a hydraulic hole 41 are arranged.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. For convenience of description, the specific form of the spring attachment is not described below, and may be provided in the conventional manner of a mechanical design manual, i.e., by providing a groove or protrusion for positioning the spring.

As shown in fig. 1-4, an internal gear surface refining device comprises a base 1; base 1 and grit flow equipment fixed connection, be equipped with on the base 1 with grit flow equipment ejection of compact department interface 10, can dismantle on the base 1 to connect and be equipped with a sleeve 2 that is used for wrapping up internal tooth gear, can dismantle on the sleeve 2 to connect and be equipped with a shroud 3, shroud 3 flows equipment sliding seal and is connected with the grit, be equipped with on the shroud 3 with grit flow equipment feeding department interface 31, work as base 1, sleeve 2 and shroud 3 connect can be to the flank of tooth burr of internal tooth gear after installing to grit flow equipment, the hole burr is got rid of, repair internal tooth gear surface mar simultaneously.

As shown in fig. 1-4, a plurality of first bolt through holes 11 used for being connected with abrasive flow equipment are uniformly arranged on the upper circumference of a base 1, a first installation groove 12 is formed in the upper end face of the base 1, a sheet metal part 13 is installed in the first installation groove 12, a positioning groove 16 is further formed in the upper end face of the base 1, a rubber sleeve 17 is filled in the positioning groove 16, the diameter of the positioning groove 16 is larger than that of the first installation groove 12, and a limiting groove 18 used for being buckled with a sleeve 2 is formed in the rubber sleeve 17.

As shown in fig. 1-4, sheet metal component 13 is through die-casting into "U" type, snail form groove 15 that is used for making the grit pass through is offered to sheet metal component 13 bottom up end, sheet metal component 13 side extrusion back flexible, sheet metal component 13 up end is used for placing internal gear 4, sheet metal component 13 bottom up end extrusion deformation after the installation, make sleeve 2 install to 1 back, 13 up end and junction closely laminate, avoid the grit to flow out, 15 on 13 make internal gear 4 and 13 terminal surface closely laminate the back simultaneously, the grit still can flow through from snail form inslot, polish the upper and lower terminal surface of internal gear 4.

As shown in fig. 1 to 4, a plurality of internal teeth 40 of the gear are uniformly arranged on the inner circumference of the internal gear 4, and a hydraulic hole 41 communicated with the outside is formed on one end face of each internal tooth 40 of the gear.

As shown in fig. 1-4, a first outer shell cover 20 is slidably sleeved outside the lower side of the sleeve 2, a first buffer cavity 22 is formed between the first outer shell cover 20 and the sleeve 2, a first sealing block 21 is slidably arranged in the first buffer cavity 22 in a sealing manner, the first sealing block 21 is welded to the sleeve 2, the upper end walls of the first sealing block 21 and the first buffer cavity 22 are connected through a plurality of first springs 220, and a limiting ring 201 connected with the limiting groove 18 in a buckling manner is welded to the lower end face of the first outer shell cover 20.

As shown in fig. 1 to 4, a second housing cover 23 is sleeved outside the upper side of the sleeve 2, a second buffer cavity 24 is formed by a side surface of the second housing cover 23 close to the sleeve 2 and the sleeve 2, a second sealing block 26 is arranged in the second buffer cavity 24 in a sealing and sliding manner, the second sealing block 26 is connected with the second buffer cavity 24 through a second spring 25, the second sealing block 26 is welded with the sleeve 2, a connecting ring 27 is fixedly arranged on the upper end surface of the second housing cover 23, a plurality of threaded holes 271 are circumferentially arranged on the connecting ring 27, and the first housing cover 20 and the second housing cover 23 are symmetrically arranged in an up-and-down sliding manner, so that the invention is applicable to gears of different sizes, and after the invention is mounted to an abrasive flow device, a gap is formed between the end surface of the internal gear 4 and the end surface of the sheet metal part 13 by using the power of abrasive flowing out abrasive from the abrasive flow device, so as to polish the end surfaces of the gears.

As shown in fig. 1 to 4, the cover 3 includes a plurality of second bolt through holes 30, an abrasive flow device feeding interface 31 and a second installation groove 32, the second bolt through holes 30 are used for connecting the cover 3 and the connection ring 27 by bolts, and the second installation groove 32 is used for installing the second sheet metal part 13.

Mounting mode;

s1, inserting the interface 10 at the discharging position of the abrasive particle flow equipment on the base 1 into the discharging hole of the abrasive particle flow equipment, fixing the base 1 to the abrasive particle flow equipment by using bolts, placing the first sheet metal part 13 into the first placing groove 12, and placing the internal gear 4 onto the upper end face of the sheet metal part 13;

s2, sleeving the sleeve 2 on the internal gear 4, enabling the limiting ring 201 to be connected with the limiting groove 18 in a buckling mode, and enabling the outer side surface of the sheet metal part 13 to be attached and close to the first outer shell cover 20 after being extruded by the end face of one side of the first outer shell cover 20 so as to prevent abrasive particles from flowing out of the joint of the lower end faces of the base 1 and the first outer shell cover 20;

s3, after the second sheet metal part 13 is installed in the second installation groove 32, the connection ring 27 is manually lifted, at this time, the second spring 25 and the first spring 220 are stretched, so that the upper end surface of the connection ring 27 is attached to the lower end surface of the cover 3, the cover 3 and the connection ring 27 are bolted together by using bolts, at this time, the device on the side of the recovery port of the abrasive flow device is lowered, and the feeding interface 31 of the abrasive flow device is inserted into the recovery port of the abrasive flow device for a distance, so that the abrasive flow device can be operated.

Working principle;

when the abrasive particle flow equipment runs, abrasive particles enter the internal gear 4 from the interface 10 of the discharging position of the abrasive particle flow equipment, burrs on the surface of the internal gear 40 are ground and removed in a flowing mode, one part of the abrasive particles directly enter the interface 31 of the feeding position of the abrasive particle flow equipment, the other part of the abrasive particles flows out of the hydraulic hole 41 and is ground and removed from the burrs in the hydraulic hole 41, certain rotating force is generated on the internal gear 4, the abrasive particles of the part continuously move upwards to lift the upper side sheet metal part 13, the lifting cover 3 drives the connecting ring 27 to move upwards to enable a certain gap to be generated between the upper end face of the internal gear 4 and the sheet metal part 13, the abrasive particles flowing out of the hydraulic hole 41 flow out of the interface 31 of the feeding position of the abrasive particle flow equipment from the spiral groove 15, the burrs on the upper end face of the internal gear 4 are ground, and the gap generated by utilizing the lifting force is utilized, so that the rotating force generated on the internal gear 4 which flows out of the hydraulic hole 41 and drives the internal gear 4 to carry out Rotate, make internal gear 4's up end and surface and grit produce the friction, strengthen the treatment effect of grit to the burr, simultaneously can repair because of pressing from both sides the indentation that produces when processing internal gear 4 surface, after the more grit is collected to the grit stream of grit stream equipment feed department interface 31 department upside, the grit stream equipment is reverse to be started, make the grit flow to the grit stream equipment discharge department interface 10 department from grit stream equipment feed department interface 31 department, polish through this kind of mode and get rid of the burr of internal gear 4 lower extreme face, the repeated operation is many times can fully get rid of the burr of gear internal tooth 40 and hydraulic pressure hole 41 department on the internal gear 4, get rid of the burr on internal gear 4's upper and lower extreme face and the lateral surface simultaneously, and repair and get rid of the scratch and the indentation on the internal gear 4.

Other parts in the present invention are not described in detail for the prior art.