CN106475639A - Gear grinding instrument and its abrasive sheet for being used - Google Patents

Abstract

The present invention provides a kind of gear grinding instrument and its abrasive sheet for being used, it is gear-like main body with processed gear meshed gears shape which possesses into by shape, gear-like main body is engaged with processed gear and is ground, and easily can carry out forming the operation of grind section in the abrasive side surface side of the teeth portion of the gear-like main body according to its face shape.It is gear-like main body (8) with processed gear (2) meshed gears shape to possess into by shape, and the abrasive sheet (9) of the abrasive side (7a) of above-mentioned teeth portion (7) is separately formed and is glued to the gear-like main body (8), the abrasive sheet (9) has the deformation plate (11) for being capable of elastic deformation for being glued to above-mentioned abrasive side (7a), processed gear side panels (12) with the face of the side contrary with said gear shape main body (8) side for being glued to the deformation plate, the grind section comprising abrasive particle (16) is formed in the outer surface of above-mentioned processed gear side panels.

Description

Gear grinding instrument and its abrasive sheet for being used

Technical field

The present invention relates to carrying out the gear grinding instrument of the grinding of the flank of tooth of processed gear and its grinding of being used Abrasive disc.

Background technology

It is known to the gear-like main body for possessing the gear shape for being configured to that there is the teeth portion engaged with processed gear, upper The abrasive side of teeth portion is stated according to its face shape, the grind section being integrally formed with comprising abrasive particle, make the gear-like main body with The state of processed gear engagement, by spinning movement, the technology for carrying out the grinding of the flank of tooth of processed gear (for example, is joined According to patent document 1.).

Patent document 1：Japanese Patent Publication 7-8137 publication

In the above documents, in abrasive side, grind section is formed according to its face shape, thereby, it is possible to make composition grind section Abrasive particle unnecessary using reducing, realize the raising of economy.

But, by abrasive particle to be directly bonded in the abrasive side of the shape for becoming complicated, to be formed in abrasive side surface side The operation of grind section, or by the operation that grind section is formed in abrasive side surface side such as integrally sintering, need masterful technique, Often cost is uprised on the contrary.

Content of the invention

The problem of the present invention is to provide a kind of gear grinding instrument and its abrasive sheet for being used, the gear grinding Possess the gear-like main body being configured to processed gear meshed gears shape, gear-like main body and processed gear with instrument Engage to be ground, in the abrasive side surface side of the teeth portion of the gear-like main body, easily can carry out according to its face shape shape Become the operation of grind section.

The gear grinding of present invention instrument is the gear grinding instrument of the grinding of the flank of tooth for carrying out processed gear, special Levy and be possess：Gear-like main body, its are formed to have the gear shape of the teeth portion engaged with processed gear；And grinding Piece, its form and are glued to the abrasive side of above-mentioned teeth portion with the gear-like independence, and the abrasive sheet has and glued Be affixed on the deformation plate of above-mentioned abrasive side, and be glued to the deformation plate with said gear shape main body side opposite side Face and the processed gear side plate when engaging with above-mentioned processed gear above-mentioned with the face of the processed gear Piece, above-mentioned deformation plate are configured to elastic deformation, in the contrary with above-mentioned deformation plate of above-mentioned processed gear side panels The face of side that is, outer surface, the grind section being integrally formed with comprising abrasive particle.

According to said structure because by by with gear-like independence the abrasive sheet that formed be pasted on gear-like main body Abrasive side, the gear-like main body teeth portion abrasive side surface side according to its face shape, be formed with grind section, it is possible to The operation of the grind section is easily configured with desired state, and can realize cost degradation.In addition, because abrasive sheet Deformation elastic deformation of the plate by itself, can as impact absorbing member during grinding operation, allow meshing error Part works, so the efficiency of grinding operation is improved.Also, the function due to above-mentioned deformation plate, processed gear side plate The material selection range of piece expands, and for example, can extend the product of abrasive sheet using the material for easily keeping the materials such as abrasive particle The product life-span.

Above-mentioned grind section can also pass through the throwing of the outer surface that can be movably attached to above-mentioned processed gear side panels The abradant free abrasive of light is formed on the outer surface.

Above-mentioned grind section can also be ground by being fixedly attached to the fixing of outer surface of above-mentioned processed gear side panels Grain is formed on the outer surface.

In addition, the abrasive sheet of the present invention is the abrasive sheet of the gear-like main body for being glued to gear grinding instrument, feature It is possess：Deformation plate, its are glued to and are shaped as gear shape in the way of having the teeth portion engaged with processed gear The abrasive side of the teeth portion of the gear-like main body of shape；And processed gear side panels, which is glued to and the deformation plate The contrary side of said gear shape main body side face and when engaging with processed gear above-mentioned with the processed gear Face, above-mentioned deformation plate is configured to elastic deformation, in above-mentioned grinding side panels and above-mentioned deformation plate side The face of contrary side that is, outer surface, the grind section being integrally formed with comprising abrasive particle.

Can also possess：Protection board, its are covered in the state of being glued to before the above-mentioned abrasive side of above-mentioned teeth portion And protect the preformed adhesive layer in the side contacted with the abrasive side in above-mentioned deformation plate；And protective cover, its In the state of before being ground, grind section is covered and protects.

Because by by with gear-like independence the abrasive sheet that formed be pasted on the abrasive side of gear-like main body, come Grind section is formed in the abrasive side surface side of the teeth portion of the gear-like main body according to its face shape, it is possible to easily carrying out with institute Desired state arranges the operation of the grind section, can realize cost degradation.In addition, abrasive sheet deformation plate due to itself Elastic deformation, as impact absorbing member during grinding operation, allows the part of meshing error to work, so grinding operation Efficiency is improved.Also, the function by above-mentioned deformation plate, can expand the material selection range of processed gear side panels, For example, the life of product of abrasive sheet can be extended using the material for easily keeping the materials such as abrasive particle.

Description of the drawings

(A), (B) of Fig. 1 is side view and the front view of the lapping device for applying the present invention.

Fig. 2 is the major part positive view of the mate of Fig. 1.

Fig. 3 is the stereogram of the structure of the teeth portion side for representing gear grinding instrument.

Fig. 4 is the sectional view of the structure of the abrasive sheet of the state for representing the abrasive side for being attached at teeth portion.

(A), (B) of Fig. 5 is the sectional view of the abrasive sheet of the state before pasting and view sub-anatomy.

Fig. 6 is the explanatory diagram illustrated by the state before the cutting of the protective cover worked as Die plate paper.

Fig. 7 is the sectional view of the structure of the variation for representing abrasive sheet.

(A), (B) of Fig. 8 is the side view of the structure of the other embodiment for representing the present invention and front view.

Fig. 9 is the sectional view of the lapping device of other embodiment.

(A), (B) of Figure 10 is the top view of the gear grinding instrument shown in Fig. 9 and side view.

(A) of Figure 11 is the enlarged view of the main part for representing grinding operation state, and (B) of Figure 11 is to represent cutting for abrasive sheet Cut the explanatory diagram of shape.

(A), (B) of Figure 12 is sectional view and the view sub-anatomy of the installation constitution for representing abrasive sheet respectively.

Figure 13 is the sectional view of the structure of the variation for representing the abrasive sheet 9 shown in Fig. 9 to Figure 12.

Figure 14 is the sectional view of the structure of the variation for representing the lapping device 1 shown in Fig. 9 to Figure 12.

Specific embodiment

(A), (B) of Fig. 1 is side view and the front view of the lapping device for applying the present invention, and Fig. 2 is the engagement of Fig. 1 Partial major part positive view.The lapping device 1 of diagram possesses：The processed gear 2 for being configured to and becoming processing object 3 meshed gears shape of tooth gear grinding instrument 4；And can rotatably support being added for above-mentioned processed gear 2 Work side bearing mechanism；Can rotatably support the tool side supporting device of said gear grinding instrument 4.

In this example, processed gear 2 is the helical gear of external tooth type, and gear grinding instrument 4 is with gear-like master Body 8, the gear-like main body 8 are configured to the helical teeth colyliform of the external tooth type with the teeth portion 7 engaged with the tooth 3 of the processed gear 2, And the abrasive sheet 9 (with reference to Fig. 2 to 5) being separately formed with the gear-like main body 8.To be said later with regard to the abrasive sheet 9 Bright.

The axis of rotation S1 of processed gear 2 is mutually inclined with the axis of rotation S2 of gear grinding instrument 4, formed by which Angle (the axle angle of the crossing) θ when processed gear 2 engages synchronous rotary with gear grinding instrument 4, by making bearing surface each other Side produces relative slip, and by the relative slip, the tooth 3 of processed gear 2 is ground by gear grinding instrument 4.

By the grinding, in addition to the flank of tooth 3a (with reference to Fig. 2) of the tooth 3 to processed gear carries out general grinding, Mirror finish, the scar of flank of tooth 3a can also be carried out, beat eliminating for trace.By the way, in the situation of above-mentioned synchronous rotary Under, needing to arrange in above-mentioned processed side bearing mechanism and tool side supporting device respectively makes processed gear 3 and gear The grinding actuators such as the motor of 4 rotation driving of instrument.

Fig. 3 is the stereogram of the structure of the teeth portion side for representing gear grinding instrument, and Fig. 4 represents and is attached at teeth portion The sectional view of the structure of the abrasive sheet of the state of abrasive side.The teeth portion 7 of gear grinding instrument 4 is made up of rigid bodies such as metals, Its shape is shaped to engage with the tooth 3 of processed gear 2, before the direction of rotation of teeth portion 7 for being shaped as the shape Surface side, is formed with the engagement rotation of processed gear 2, the face to side that flank of tooth 3a is ground that is, abrasive side 7a.

Above-mentioned abrasive sheet 9 independently has and to be attached at abrasive side 7a of teeth portion 7 and flexibly be resiliently deformed (more specifically, elastic deformation) deformation plate (deformed plate) 11, and be attached at the deformation plate 11 and abrasive side The face (outer surface) of the contrary side in face (inner face) of 7a contact and in gear grinding instrument 4 (gear-like main body 8) and quilt Processed gear side panels (the processed gear that processing gear 2 is contacted with the flank of tooth 3a of the tooth 3 of the processed gear 2 when engaging Side plate) 12.

Deform plate 11 by constituting with flexibility and elastic and flexible material, specifically, by polyurethane tree Fat etc. is constituted.The inner face side of the deformation plate 11 is attached at abrasive side 7a of teeth portion 7 by the adhesive (adhesive layer) 13 of strength.

Processed gear side panels 12 are attached at the outer surface side of deformation plate 11 via adhesive (adhesive layer) 14.? Face (the appearance of the opposite side in the face (inner face) of the side for being bonded in deformation plate 11 in the processed gear side panels 12 Face) grind section 16 that is formed with comprising abrasive particles such as diamond, CBN.

Specifically, the outer surface of processed gear side panels 12 is fixedly attached to by making abrasive particle, come in the appearance Face forms above-mentioned grind section 16.That is, abrasive particle becomes and is fixedly attached to processed gear side panels 12 by adhesive etc. The bonded-abrasive of outer surface side, constitutes grind section by the countless bonded-abrasive.In addition, by making comprising mill in the outer surface The thread fine hair plating of grain straightens (broad wool さ せ Ru), and forming above-mentioned grind section 16 can also.

On the other hand, in the case that flank of tooth 3a to be processed as the minute surface of higher precision, as the mill for constituting grind section 16 Grain, does not use bonded-abrasive and uses free abrasive, can be polished grinding.Processed tooth is attached to by making free abrasive The outer surface of wheel side panels 12, constitutes grind section 16.The countless free abrasive of the attachment fixes attachment with adhesive etc. Bonded-abrasive different, with the state attachment that can be rolled and can move.

Therefore, in polishing grinding operation, the free abrasive is slided, rolls along the flank of tooth 3a of processed gear 2 While mobile, grinding is polished with stable tonnage to flank of tooth 3a.Can be by flank of tooth 3a with the stable tonnage It is processed as the minute surface of higher precision.

By the way, free abrasive also can be in polishing to the attachment of the outer surface of processed gear side panels 12 Front carry out in advance, in order to prevent the unnecessary of abrasive particle from coming off, principle ground pass through during polishing grinding, by free abrasive Supply to carry out to the outer surface of processed gear side panels 12.

Processed gear side panels 12 are made up of the material of the enough intensity with the abrasive particle for keeping the grind section 16, should Material is, for example, metal forming, polyester, polyethylene, carbon plate etc..Also, using in the case of metal forming, using being formed net The metal forming of shape, the metal forming in multiple holes is provided through, becomes the more preferable part of holding performance of abrasive particle.

Also, by electroplate or bond etc. make abrasive particle be attached to processed gear side panels 12 outer surface and integratedly In the case of forming grind section 16, describe cancellate pattern, the pattern by multiple parallel rectilinear(-al)s, curve with the abrasive particle The geometrical pattern such as pattern or round dot pattern, thus, by a part for the outer surface of processed gear side panels 12 to be set to Non-active face, blocking when preventing grinding can also.

The abrasive sheet 9 for so constituting is sheared and is configured to circular shape corresponding with abrasive side 7a of teeth portion 7, and is pasted Abrasive side 7a of each teeth portion 7 of gear-like main body 8 is invested, thus, gives gear grinding 4 grinding mechanism of instrument (grinding work( Can).

(A), (B) of Fig. 5 is sectional view and the view sub-anatomy of lapping sheet, Fig. 6 be to working as Die plate paper Protective cover cutting before the explanatory diagram that illustrates of state.Deformation plate 11 and processed gear side panels 12 respectively from The cutting of corresponding sheet material 17,18 is formed.Deformation plate 11 is formed from the deformation cutting of sheet material 17, and processed gear side panels 12 are from quilt Processing gear side sheet material 18 cuts and is formed.

Deformation sheet material 17 by with deformation 11 identical material of plate constitute.Pre- by coating etc. on the two sides of deformation sheet material 17 Above-mentioned adhesive (adhesive layer) 13,14 is initially formed, the adhesive layer 13,14 is by the protection made of paper etc. that flexibly can deform Plate 19,21 is covered and is protected.

Processed gear side sheet material 18 is formed in its outer surface by constituting with 12 identical material of processed gear side panels There is grind section 16.

In addition, being also provided with covering and protecting the protective cover 22 made of paper etc. of the grind section 16.Attached in protective cover 22 Adhesive layer 23 is formed with by coating etc. in the face of the side of grind section 16, the adhesive layer 23 is waited protection board 24 to cover guarantor by made of paper Shield.

And, by the protection board 21 of 14 side of adhesive layer of deformed plate 17 is peeled, processed gear side sheet material 18 is pasted, And the protection board 24 of 22 side of protective cover is peeled, the protective cover 22 is pasted on grind section 16 via adhesive layer 23 and covers and protect Shield, manufactures lapping sheet 26.

Using cutting of the face (outer surface) in the side contrary with adhesive layer 23 of protective cover 22 by displays such as printings Cutting Figure 27 of formation, can form abrasive sheet 9 from the cutting of lapping sheet 26.That is, protective cover 22 also serves as Die plate paper and is utilized. In addition, showing the type of the mark 28 of the direction of the abrasive sheet 9 after representing cutting, abrasive sheet 9 in each cutting Figure 27 by printing etc. Number, manufacture numbering etc..Operator can be ground the stickup of piece 9 exactly using the mark 28, model, manufacture numbering etc. Operation.

When abrasive sheet 9 to be pasted on abrasive side 7a of teeth portion 7 of gear grinding instrument 4, protection board 19 is peeled off, The sticking operation is carried out via adhesive layer 13.In addition, before operation is ground, protective cover 22 is together shelled with adhesive layer 23 From thereafter, being ground operation.

When the grinding operation to the lapping device 1 is illustrated, nibble with processed gear 2 in gear grinding instrument 4 In the state of conjunction, the grinding operation of the flank of tooth 3a of each tooth 3 of processed gear 2 by both spinning movements are made, is carried out.

Structure according to as above, because gear-like main body 8 is with the abrasive sheet 9 for including grind section 16 independently, energy Enough materials for freely determining gear-like main body 8, the material as gear-like main body 8 can select hard and can be accurately The material of the shape of 7 grade each several part of teeth portion is configured to, thus, it is possible to it is easy to ensure that necessary grinding precision, intensity.

In addition, the part of the stickup abrasive sheet 9 of gear-like main body 8 makes the amount of thickness of the thinning abrasive sheet 9 of transverse tooth thickness and shapes, Because the thickness of abrasive sheet 9 can be generally uniform, it is possible to being manufactured inexpensively high-precision gear grinding instrument 4.

In addition, because using the elastic force for deforming plate 11 and flexibility, the deformation plate 11 is worked as fender, And the flank of tooth 3a along processed gear 2 deforms, so in grinding operation, preventing to vibrate, preventing in predetermined portion Produce point-load, impact also to be absorbed.As a result, prevent from being ground the inordinate wear for remaining unqualified, abrasive particle, abrasive particle de- Fall, breakage is also prevented from, life of product is also extended.

Further, since the elastic force of deformation plate 11 and flexibility, the meshing error of processed gear 2, abrasive sheet 9 are to tooth The alignment error of colyliform main body 8 is also allowed to a certain extent, and the form error of abrasive side 7a of teeth portion 7, tooth 3 The form error of flank of tooth 3a is also due to the function of deformation plate 11, and is allowed to a certain extent, as a result, with processed tooth Shape after the grinding of wheel 2 as one man accurately forms the necessity also step-down of gear-like main body 8 (abrasive side 7a).

On the other hand, because processed gear side panels 12 are separately formed with deformation plate 11, and processed gear Side panels 12 are unprotected to require elastic force and flexibility, it is possible to selection is suitable to the material of the abrasive particle of protection structure grind section 16 Material, it is possible to more efficiently prevent the coming off of abrasive particle, damaged.

In addition, abrasive sheet 9 is because itself accordingly flexibly deform with variously-shaped teeth portion 7, and it is stuck, so only Will can manufacture the teeth portion 7 to be formed as the gear-like main body 8 of rigid body if because abrasive sheet 9 easily can make various Shape, so also can answer with various gear mesh, versatility is also high.

Specifically, it is also possible to be applied to external gear, internal gear, further, it is possible to be applied to helical gear, bevel gear, double Whole gears such as curved tooth cylindrical gear.

In addition, when operation is ground, by controlling tonnage, engagement rotary speed, being prevented from grind section The abrasion of 16 abrasive particle, come off, and while being prevented from the blocking of grain surface, by the damping of the elasticity of abrasive sheet 9 Effect, being processed into minute surface also becomes easy, due to the mirror finish of flank of tooth 3a, performance (transmission efficiency, the tooth of processed gear 2 Surface intensity) significantly improve, as a result, also contributing to the improvement of the fuel consumption of the automobile using the processed gear 2.

Also, if gear-like main body 8 is formed using light-duty material, then can make overall lightness, can Reduce machining energy.By the way, as gear-like main body 8, as material by using light-duty rigid material method, adopt With the shape of hollow form, above-mentioned lightness can be easily realized.

In addition, for the purpose of improving, widely using the processed gear 2 of the steel ball and quenching for making high rigidity by the intensity of gear Collision, applies the practice of residual stress to the surface of gear, in the operation, has in the remained on surface of processed gear 2 tiny Impression (concavo-convex) because remaining in the impression (particularly convex portion) on surface, the situation that the abrasion of geared surface 3a is promoted.But It is, by using the grind section 16 of small abrasive particle as described above, because can be by the tiny of the surface of processed gear 2 Concavo-convex (particularly convex portion) exclude, so such bad countermeasure is also perfectly sound.

Additionally, variation as shown in Figure 7 is like that, abrasive sheet 9 forms grind section 16 in the outer surface of deformation plate 11, makees Being integrated part can also.For example, in the case of grinding is polished, free abrasive is made to be attached to the outer surface of deformation plate 11 With regard to permissible.On the other hand, even if in the case of common grinding is carried out, abrasive particle is fixedly attached to deformation in the way of rubbing The outer surface of plate 11 is just permissible.

Next, being based on Fig. 8, with regard to his embodiment of the present invention, the different part of aforesaid way is said Bright.

(A), (B) of Fig. 8 is the side view of the structure of the other embodiment for representing the present invention and front view.In the figure In shown example, the gear-like main body 8 of gear grinding instrument 4 is made to be configured to the helical gear of external tooth type that is, processed tooth Abrasive sheet 9 is pasted on the teeth portion 7 by method same as mentioned above by the helical gear shape of the internal-gear type of 2 engagement of wheel (more specifically abrasive side 7a of teeth portion 7).

Next, Fig. 9 to Figure 12 is based on, for the other embodiment of lapping device 1, to the portion different from aforesaid way Divide and illustrate.

Fig. 9 is the sectional view of the lapping device of other embodiment, and (A), (B) of Figure 10 is that the gear shown in Fig. 9 grinds The top view of mill instrument and side view, (A) of Figure 11 are the enlarged view of the main parts for representing grinding operation state, Figure 11's (B) be the cutting profile for representing abrasive sheet explanatory diagram.Make to nibble with the tooth 3 of processed gear 2 by tool side supporting device 29 4 spinning movement of instrument of the gear grinding of conjunction, come the processed tooth to rotatably being supported using processed side bearing mechanism The flank of tooth 3a of the tooth 3 of wheel 2 is ground operation.

The said gear grinding gear-like main body 8 of instrument 4, is shaped as and has with helical gear that is, quilt in outer peripheral face side The gear shape (specifically, a plurality of shape of threads) of the spiral helicine teeth portion 7 that the tooth 3 of processing gear 2 is engaged, abrasive sheet 9 is glued It is affixed on abrasive side 7a of teeth portion 7.

Gear-like main body 8 is made up of any materials (for example, metal material, rigid plastics etc.) for meeting necessary intensity, its As long as shape is shaped to just permissible with 2 meshed gears shape of processed gear, above-mentioned a plurality of screw thread is not limited to Shape.For example, processed gear 2 be the horizontal gear of external tooth type or helical gear in the case of, gear-like main body 8 is shaped as mountain The shape of threads gear shape of shape, or the helical shape plus above-mentioned axle angle of the crossing θ.In addition, internal-gear type is configured to Said gear shape.

In addition, in the rotating center section in the axle center for becoming drum of the gear body 8, being provided through columned Installing hole 8a, thus, the global shape of gear grinding instrument 4 is shaped as circular annular form.Above-mentioned tool side supporting device 29 Gear grinding instrument 4 is made around the action that rotates in a circumferential direction of the tubular shape of the gear grinding instrument 4.Detailed content will be said below Bright.

When gear grinding is engaged with processed gear 2 with instrument 4, abrasive side side 7a and the processed gear 2 of teeth portion 7 Tooth 3 the flank of tooth 3a contact.By the way, the axle center of itself is being rotated as axis of rotation S2 by gear grinding with instrument 4 During, gear grinding is abutted with the flank of tooth 3a of the tooth 3 of processed gear 2 with abrasive side 7a of the teeth portion 7 of instrument 4, will The teeth portion 3 is conveyed to the direction for forming the gear grinding traveling of the spiral-shaped teeth portion 3 of instrument 4.

Multiple abrasive sheets 9 of arc-shaped are pasted at least abrasive side 7a of teeth portion 7, and the spiral shell throughout teeth portion 7 successively The formation direction entirety of rotation shape, makes abrasive sheet 9 cover abrasive side 7a.

Above-mentioned tool side supporting device 29 grinds the gear using gear grinding with the axle center of instrument 4 as axis of rotation S2 Mill instrument 4 is along the action that rotates in a circumferential direction of above-mentioned tubular shape.Specifically, the tool side supporting device 29 possesses output shaft (drive shaft) 31a can be configured in rotation driving the motor (power source) 31 on above-mentioned axis of rotation S2, and gear is ground Mill instrument 4 is installed on the installation tool 33 of the above-mentioned output shaft 31a of motor 31.

Installation tool 33 is made up of a pair of holding member 34,36, and a pair of holding member 34,36 is from the two of axis of rotation S2 Side end face (two restriction surface sides) clamps and keeps gear grinding instrument 4, and is pacified in the way of rotating integrally with output shaft 31a Dress fixed gear grinding instrument 4.

Holding member 34 near the side of drive shaft 31a has the circle of the leading section for being mounted on drive shaft 31a Plate-like and flange shape attached portion 37, from attached portion 37 to respect to the detached side of drive shaft 31a integratedly prominent shape Become and using above-mentioned axis of rotation S2 as axle center axle portion 38.The axle portion 38 is shaped to be fitted together to and is inserted in gear body 8 Installing hole 8a cylindric.

On the other hand, in the holding member 36 of the side different from drive shaft 31a, from the end on observation of axis of rotation S2, It is shaped as and 37 identical disc-shape of attached portion, in the holding member 36, prominent to 34 side of above-mentioned holding member one And the chimeric convex shaped part 36a for being inserted in above-mentioned installing hole 8a.

By the convex shaped part 36a of the axle portion 38 of holding member 34 and holding member 36 from the open end of the both sides of installing hole 8a Chimeric insertion, due to being mutually fastened and fixed a pair of holding member 34,36 with bolt 39, gear grinding is clamped with instrument 4 It is fixed between the attached portion 37 of holding member 34 and holding member 36, thus, gear grinding instrument 4 becomes with one rotation The mode for turning is installed in the state of drive shaft 31a.

By the way, in attached portion 37 and the opposed faces each other of gear-like main body 8, space each other is formed with Recess 4a, 37a of connection, is fitted together in the space that recess 4a, the 37a upper and lower using this are formed and contains banking pin 41, utilize The banking pin 41, gear grinding instrument 4 are limited (being specifically prohibited) with respect to rotating against for installation tool 33.

(A), (B) of Figure 12 is sectional view and the view sub-anatomy of the installation constitution for representing abrasive sheet respectively.Abrasive sheet 9 It is made up of following part：The mounted plate 42 of the abrasive side 7a side of teeth portion 7 is installed on by fixing stickup；It is stuck and is installed on The mounting tile 43 on the surface (face of the side contrary with abrasive side 7a) of mounted plate 42；And be stuck and be installed on this The surface (face of the side contrary with mounted plate 42) of mounting tile 43 by plus side plate 44.

Above-mentioned mounted plate 42 is made up of the material for being capable of flexibly elastic deformation, using adhesive, two-sided tape etc. It is stuck and is fixed on abrasive side 7a of teeth portion 7.In the case of being pasted using adhesive, to abrasive side 7a and mounted Mounted plate 42 is pasted on abrasive side 7a surface by one side or both's application of adhesive of the inside of plate 42 afterwards.

On the surface of the mounted plate 42, engage with being integrally formed with planar and separate freely engaging mounting tile 43 Holding section that is, face thread gluing (velvet thread gluing) 42a.

Above-mentioned mounting tile 43 is made up of the material for being capable of flexibly elastic deformation.In the inside of the mounting tile 43, one Being formed with body, the holding section that is, face thread gluing for freely engaging is separated with the face thread gluing 42a engaging of above-mentioned mounted plate 42 (velvet thread gluing) 43a.

In other words, in a side (being in this example, to be mounted plate 42) of mounted plate 42 and mounting tile 43, The face thread gluing 42a of male side is formed with, and the opposing party (in this example, being mounting tile 43), is formed with the face thread gluing of female side 43a, the two engaging separation of plate 42,43 freely engage.

Above-mentioned being stuck by adhesive, two-sided tape etc. by plus side plate 44 is mounted on the table of mounting tile 43 Face.In the case of being pasted using adhesive, on the surface of mounting tile 43 and by a side of the inside of plus side plate 44 or Two side's application of adhesive of person, will be pasted on the surface of mounting tile 43 afterwards by plus side plate 44.

This flexibly can be become with flexibility and elasticity by nylon, cloth, film, metal forming etc. by plus side plate 44 The material of shape is constituted.

Make small abrasive particle this is attached to by the surface of plus side plate 44 using bonding etc., or electricity is planted hair and includes the abrasive particle Thread fine hair, so as to form grind section (grinding layer) 16.Carry out the flank of tooth 3a's in processed gear 2 by the grind section 16 Grinding operation.The operation for being formed the grind section 16 was carried out before it will be pasted on mounting tile 43 by plus side plate 44 in advance Of course, or carrying out after gluing can also.

Additionally, in the example in the figures, abrasive side 7a to the side only in teeth portion 7 pastes the example of abrasive sheet 9 Be illustrated, in fig. 12, as with as shown in imaginary line L, by abrasive sheet 9 be pasted in teeth portion 7 with abrasive side 7a 7b can also in the face (non-ground side) of contrary side in a rotational direction.By the way, non-ground side 7b is in tooth Wheel grinding becomes abrasive side 7a with during the reversion of instrument 4.

According to the lapping device 1 of the structure, in processed gear 2 and gear grinding instrument 4 based on gearing rotation Or synchronous rotary is driven in the grinding operation that carries out, because mounting tile 43 and being become to hold by the replacing of plus side plate 44 Easily, so maintainability, convenience are improved.

Next, with regard to the variation of the abrasive sheet 9 shown in Fig. 9 to Figure 12, different from above-mentioned example based on Figure 13 pair Part illustrate.

Figure 13 is the sectional view of the structure of the variation for representing the abrasive sheet 9 shown in Fig. 9 to Figure 12.In grinding shown in the figure In abrasive disc 9, on the surface of mounting tile 43, by method same as described above, grind section 16 is formed, and is omitted by plus side plate 44.

Next, being based on Figure 14, the part unlike those described above to the variation of lapping device 1 illustrates.

In above-mentioned example, the example that installation tool 33 is made up of a pair of holding member 34,36 is illustrated, but In the example shown in Figure 14, only installation tool 33 is constituted by the holding member 34 of drive shaft 31a side.And, by axle portion 38 In the state of being fitted together to the insertion gear grinding installing hole 8a of instrument 4, by bolt 46 is inserted attached portion 34 and gear Grinding instrument 4 is simultaneously fastened, and the gear grinding instrument 4 is mounted on drive shaft 31a.

Description of reference numerals：

1 ... lapping device；2 ... processed gear (workpiece)；3a ... the flank of tooth；7 ... teeth portion；7a ... abrasive side；8 ... gears Shape main body；9 ... abrasive sheets；11 ... deformation plate (deformed plate)；12 ... processed gear side panels (processed gear side plates)； 16 ... grind section (grinding layer)；19 ... protection boards；22 ... protective covers.

Claims (5)

1. a kind of gear grinding instrument, which carries out the grinding of the flank of tooth of processed gear, it is characterised in that possess：

Gear-like main body, its are formed to have the gear shape of the teeth portion engaged with processed gear；And

Abrasive sheet, its form and are glued to the abrasive side of above-mentioned teeth portion with the gear-like independence,

The abrasive sheet has：Deformation plate, which is glued to above-mentioned abrasive side；And processed gear side panels, which is glued The face with said gear shape main body side opposite side of the deformation plate is affixed on, and is being nibbled with above-mentioned the above-mentioned of processed gear Face during conjunction with the processed gear,

Above-mentioned deformation plate is configured to elastic deformation,

In face that is, the outer surface with above-mentioned deformation plate opposite side of above-mentioned processed gear side panels, it is formed with comprising mill The grind section of grain.

2. gear grinding instrument according to claim 1, it is characterised in that

Above-mentioned grind section passes through the polishing grinding of the outer surface that can be movably attached to above-mentioned processed gear side panels Free abrasive, is formed on the outer surface.

3. gear grinding instrument according to claim 1, it is characterised in that

Above-mentioned grind section by being fixedly attached to the bonded-abrasive of the outer surface of above-mentioned processed gear side panels, by integratedly It is formed at the outer surface.

4. a kind of abrasive sheet, which is glued to the gear-like main body of gear grinding instrument, it is characterised in that possess：

Deformation plate, its are glued to the tooth for being shaped as gear shape in the way of having the teeth portion engaged with processed gear The abrasive side of the teeth portion of colyliform main body；And

Processed gear side panels, its are glued to the face with said gear shape main body side opposite side of the deformation plate, and And the face when engaging with processed gear above-mentioned with the processed gear,

Above-mentioned deformation plate is configured to elastic deformation,

In face that is, the outer surface with above-mentioned deformation plate side opposite side of above-mentioned grinding side panels, it is formed with comprising abrasive particle Grind section.

5. abrasive sheet according to claim 4, it is characterised in that possess：

Protection board, its are covered and are protected in above-mentioned change in the state of being glued to before the above-mentioned abrasive side of above-mentioned teeth portion The preformed adhesive layer in the side contacted with the abrasive side of shape plate；And

Protective cover, in the state of which is before being ground, covers and protects grind section.