CN207952650U - The spindle assemblies structure of numerically controlled tooth grinding machine - Google Patents

The spindle assemblies structure of numerically controlled tooth grinding machine Download PDF

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Publication number
CN207952650U
CN207952650U CN201820377812.1U CN201820377812U CN207952650U CN 207952650 U CN207952650 U CN 207952650U CN 201820377812 U CN201820377812 U CN 201820377812U CN 207952650 U CN207952650 U CN 207952650U
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China
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main shaft
grinding wheel
sheathed
brake
numerically controlled
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CN201820377812.1U
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Chinese (zh)
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黄小芬
谭明
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Individual
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Abstract

The utility model discloses the spindle assemblies structures of numerically controlled tooth grinding machine, including head and the main shaft being installed in head, main shaft mounting groove is offered on head, main shaft is detachably connected with main shaft mounting groove, main shaft includes main shaft and collar bush, main shaft is set in collar bush, and main shaft bearing is equipped in collar bush, and main shaft bearing is sheathed on outside main shaft, the both ends of collar bush are equipped with sealing cover, sealing cover is sheathed on outside main shaft, and one end and the main shaft bearing of sealing cover offset, and sealing cover is metallic sealed cover.Thus, main shaft is designed as an individually entirety, it is simple in structure, it manufactures simply, is conducive to be produced in batches, main shaft is detachably connected with the main shaft mounting groove on head, so that the maintenance and replacement of main shaft are more convenient, the sealing cover at main shaft bearing both ends is metallic sealed cover, greatly improves the sealing performance of main shaft bearing, service life is long.

Description

The spindle assemblies structure of numerically controlled tooth grinding machine
Technical field
The utility model belongs to blades machining field, more particularly to a kind of for the grinding of high-speed steel circular saw blade sawtooth and sawtooth The spindle assemblies structure of the numerically controlled tooth grinding machine of reconditioning.
Background technology
High-speed steel circular saw blade is commonly used in the Milling Process of the hard-cutting materials such as glass hard steel, and high-speed steel circular saw blade is by adding Work lathe completes process, drives grinding wheel to complete sawtooth generally by the grinding wheel spindle high speed rotation in numerically controlled tooth grinding machine The processing of grinding, sawtooth grinding etc..Grinding wheel spindle in existing gear grinding machines is generally fixedly connected with the frame body of gear grinding machines, and with Gear grinding machines are structure as a whole, when main shaft or main shaft bearing break down when needing replacing, since main shaft and bearing are set to mill It can not be taken out in tooth machine, installing and dismounting is inconvenient, and maintenance personal needs directly to repair on gear grinding machines, repairs and also compares It is more difficult, and it is easily damaged other component.
In addition, the bearing of existing main shaft is substantially sealed using silica gel sealing ring, sealing effect is bad, and main shaft High speed rotation, silica gel sealing ring are easy to damage, and influence to use, and in turn result in the increase of cost.
Utility model content
The purpose of this utility model be to provide for it is a kind of it is simple in structure, be simple to manufacture, safeguards replacement facilitate, good seal performance Numerically controlled tooth grinding machine spindle assemblies structure, one of can at least solve the above problems.
To achieve the above object, one side according to the present utility model provides a kind of main shaft group of numerically controlled tooth grinding machine Part structure, including head and the main shaft that is installed in head offer main shaft mounting groove, main shaft and main shaft on head Body mounting groove is detachably connected, and main shaft includes main shaft and collar bush, and main shaft is set in collar bush, and spindle shaft is equipped in collar bush It holding, main shaft bearing is sheathed on outside main shaft, and the both ends of collar bush are equipped with sealing cover, and sealing cover is sheathed on outside main shaft, and the one of sealing cover End offsets with main shaft bearing, and sealing cover is metallic sealed cover.
Main shaft is designed as an individually entirety as a result, simple in structure, manufactures simply, is conducive to carry out batch Production;Main shaft is detachably connected with the main shaft mounting groove on head so that the maintenance and replacement of main shaft are more convenient;It is main The sealing cover at axle bearing both ends is metallic sealed cover, greatly improves the sealing performance of main shaft bearing, service life is long.
In some embodiments, sealing cover includes that fixed inner sleeve, fixed jacket and intermediate sealing layer, intermediate sealing layer are set It is fitted closely between fixed inner sleeve and fixed jacket, and with fixed inner sleeve, fixed jacket, fixed inner sleeve is closely pasted with main shaft It closes, fixed jacket is fitted closely with collar bush.Fixed inner sleeve, fixed jacket and intermediate sealing layer three is arranged in sealing cover altogether as a result, Layer sealing structure, and be labyrinth seal form so that the sealing performance of main shaft bearing greatly improves, and then ensures the high speed of main shaft Rotation.
In some embodiments, the spindle assemblies structure of numerically controlled tooth grinding machine further includes belt wheel, one end of belt wheel and main shaft It is fitted close.Belt wheel realizes the drive connection of power intake and main shaft, in turn for connecting input motor and main shaft as a result, Complete the input of main shaft power.
In some embodiments, the spindle assemblies structure of numerically controlled tooth grinding machine further includes grinding wheel component, and grinding wheel component includes Grinding wheel fixed hub, grinding wheel, grinding wheel gland, clamp nut and sleeve nut, grinding wheel fixed hub be sheathed on main shaft and with master One end of axis is fitted close, and grinding wheel is sheathed on grinding wheel fixed hub, and grinding wheel gland is sheathed on outside grinding wheel fixed hub and and sand Wheel matches, and clamp nut is sheathed on outside grinding wheel fixed hub and is matched with grinding wheel gland, and sleeve nut is sheathed on outside main shaft And it is matched with grinding wheel fixed hub.Grinding wheel component is power output end as a result, and main shaft high speed rotation drives grinding wheel high speed choosing rotation Turn, and then complete various processing, grinding wheel component is compact-sized, easy for assemble or unload, substantially increases the replacement efficiency of grinding wheel.
In some embodiments, main shaft is the multi-diameter shaft that both ends diameter is small, mid diameter is big.Main shaft is ladder as a result, Axis, and the both ends of main shaft are set as the pyramidal structure with certain taper, the positioning accuracy higher of pyramidal structure so that belt wheel, The installation and removal of grinding wheel fixed hub etc. are more convenient.
In some embodiments, head is equipped with belt wheel protective cover, and belt wheel protective cover covers at belt wheel periphery.As a result, Belt wheel protective cover covers at outside belt wheel, can effectively prevent water or dust makes belt wheel dirty, and then keep the cleaning of main shaft.
In some embodiments, belt wheel protective cover is equipped with grinding wheel handling brake gear, grinding wheel handling brake dress It sets including brake pin, brake fixing seat, brake control handle, spring and spring pocket, brake fixing seat is fixed at belt wheel protection On cover, the one end for the pin that brakes passes through brake fixing seat, belt wheel protective cover to be matched with belt wheel, and spring pocket is set to outside brake pin, bullet Spring set is sheathed on outside spring, and brake control handle is sheathed on outside spring pocket and is matched with the other end of brake pin.Grinding wheel as a result, One end of auxiliary device when handling with brake gear are for disassembling abrasive wheel, the pin that brakes passes through brake fixing seat, belt wheel to protect Cover is matched with belt wheel, realizes the fixation to belt wheel, then by the cooperation of brake pin and spring, spring pocket, realize push type Control, is conveniently operated.
In some embodiments, belt wheel is equipped with limiting slot, the brake pin of limiting slot and grinding wheel handling brake gear It matches.Limiting slot is matched with the brake pin of grinding wheel handling brake gear as a result, when replacing grinding wheel, it is only necessary to will brake Pin is inserted into limiting slot and can fix the belt wheel of main shaft one end, then dismantles grinding wheel, operation letter in the other end of main shaft Folk prescription just, substantially increases the replacement efficiency of grinding wheel.
In some embodiments, one end of collar bush is equipped with flange, and flange is matched with main shaft mounting groove, on flange Equipped with mounting hole.As a result, when installing spindle assemblies, using the flange of collar bush as reference for installation so that flange is pacified with main shaft Head where tankage offsets, then by the cooperation of bolt and mounting hole, so realize main shaft and main shaft mounting groove can Dismantling connection.
The beneficial effects of the utility model are:Main shaft is designed as individually whole, simple in structure a, manufacturing letter It is single, be conducive to be produced in batches;Main shaft is detachably connected with the main shaft mounting groove on head so that the maintenance of main shaft It is more convenient with replacing;The sealing cover at main shaft bearing both ends is metallic sealed cover, greatly improves the sealing performance of main shaft bearing, makes Use long lifespan;Fixed inner sleeve, fixed jacket and the three-layer sealed structure of intermediate sealing layer is arranged in sealing cover altogether, and is labyrinth seal shape Formula so that the sealing performance of main shaft bearing greatly improves, and then ensures the high-speed rotation of main shaft;Belt wheel is equipped with limiting slot, limit Position slot is matched with the brake pin of grinding wheel handling brake gear, when replacing grinding wheel, it is only necessary to be sold brake and is inserted into limiting slot The belt wheel of main shaft one end can be fixed, then dismantle grinding wheel in the other end of main shaft, it is simple to operate, it greatly improves The replacement efficiency of grinding wheel.Therefore, the spindle assemblies structure of the numerically controlled tooth grinding machine of the utility model has simple in structure, manufacture letter Many advantages, such as convenience, good seal performance are replaced in single, easy for assemble or unload, maintenance.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the spindle assemblies structure of the numerically controlled tooth grinding machine of one embodiment of the utility model;
Fig. 2 is that the main shaft of the spindle assemblies structure of numerically controlled tooth grinding machine shown in FIG. 1 is installed in main shaft mounting groove Schematic cross-sectional view.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the spindle assemblies structure of the numerically controlled tooth grinding machine includes head 2 and is installed in head 2 Main shaft 1.Main shaft mounting groove 21 is offered on head 2, main shaft 1 is detachably connected with main shaft mounting groove 21.Main shaft 1 Including main shaft 11 and collar bush 12.Main shaft 11 is set in collar bush 12, and main shaft bearing 13 is equipped in collar bush 12.Main shaft bearing 13 It is sheathed on outside main shaft 11, the main shaft bearing 13 of present embodiment is sheathed on the both ends of main shaft 11, and often end is disposed as two.It is main The both ends of axle sleeve 12 are equipped with sealing cover 14, and sealing cover 14 is sheathed on outside main shaft 11, one end and 13 phase of main shaft bearing of sealing cover 14 It supports, sealing cover 14 prevents the entrance of the dust or other particles of outside for being sealed protection to main shaft bearing 13.This reality The sealing cover 14 for applying mode is metallic sealed cover, specially stainless steel sealing cover, stainless steel sealing cover have preferable rigidity and Corrosion resistance remains to the physical mechanical property for keeping its excellent at high temperature.
Main shaft 1 is designed as an individually entirety as a result, simple in structure, manufactures simply, is conducive to carry out batch Production;Main shaft 1 is detachably connected with the main shaft mounting groove 21 on head 2 so that the maintenance and replacement of main shaft 1 are more square Just;The sealing cover 14 at 13 both ends of main shaft bearing is metallic sealed cover, greatly improves the sealing performance of main shaft bearing 13, service life It is long.
Sealing cover 14 includes fixed inner sleeve 141, fixed jacket 142 and intermediate sealing layer 143.Intermediate sealing layer 143 is set to Between fixed inner sleeve 141 and fixed jacket 142, and fitted closely with fixed inner sleeve 141, fixed jacket 142.Fixed inner sleeve 141 It is fitted closely with main shaft 11, fixed jacket 142 fits closely for 11 sets with main shaft.The sealing cover 14 of present embodiment altogether fix by setting 143 three-layer sealed structure of inner sleeve 141, fixed jacket 142 and intermediate sealing layer, and be labyrinth seal form so that main shaft bearing Sealing performance greatly improve, and then ensure main shaft high-speed rotation.
The spindle assemblies structure of numerically controlled tooth grinding machine further includes belt wheel 3 and grinding wheel component 5.Belt wheel 3 and grinding wheel component 5 are set respectively In the both ends of main shaft 11, input terminal and output end as main shaft 11.Belt wheel 3 and wherein one end of main shaft 11 are fitted close, and It is locked by the belt wheel locking nut 32 of 3 end of belt wheel.Belt wheel 3 is connect with input motor by belt transmission, input electricity Machine band movable belt pulley 3 rotates, and then main shaft 11 is driven to rotate, and realizes the input of 11 power of main shaft.
Grinding wheel component 5 and the other end of main shaft 11 are closely connected.Grinding wheel component 5 include grinding wheel fixed hub 51, Grinding wheel 52, grinding wheel gland 53, clamp nut 54 and sleeve nut 55.Grinding wheel fixed hub 51, grinding wheel 52, grinding wheel gland 53, pressure Tight nut 54 and sleeve nut 55 are connected successively, and grinding wheel fixed hub 51 is sheathed on another on main shaft 11 and with main shaft 11 End is fitted close.Grinding wheel 52 is sheathed on grinding wheel and consolidates on axle sleeve 51, and grinding wheel gland 53 is sheathed on grinding wheel and consolidates on axle sleeve 51 and compress sand Wheel 52.Clamp nut 54 is sheathed on outside grinding wheel fixed hub 51, and is matched with grinding wheel 52, clamp nut 54 and grinding wheel fixing axle It covers 51 screw-thread fits and one end offsets with grinding wheel gland 53, and then grinding wheel 52 is fixed in grinding wheel fixed hub 51 and grinding wheel gland Between 53.Sleeve nut 55 is sheathed on outside main shaft 11, sleeve nut 55 and 11 screw-thread fit of main shaft and one end and grinding wheel fixing axle Set 51 offsets.Grinding wheel 52 can be fixed by clamp nut 54, and entire grinding wheel component 5 can consolidated by sleeve nut 55 It is fixed.Grinding wheel component 5 is the power output end of main shaft 11 as a result, and 11 high speed rotation of main shaft drives 52 high speed rotation of grinding wheel, and then complete At various processing, grinding wheel component 5 is compact-sized, easy for assemble or unload, substantially increases the replacement efficiency of grinding wheel 52.
Main shaft 11 is the taper spindle that both ends diameter is small, mid diameter is big.The main shaft 11 of present embodiment is from middle part to two End is divided into the part of 113 3 interlude 111, bearing construction section 112 and end segments different-diameters.Interlude 111 is cylinder Type and diameter maximum;Two bearing construction sections 112 are that cylindrical and diameter is smaller than interlude;Two end segments 113 then be with The truncated cone-shaped of certain taper, the i.e. diameter from bearing installation end to spindle nose are gradually reduced, the main shaft 11 of present embodiment The taper of two truncated cone-shaped end segments 113 is 1:20.11 both ends of main shaft are set as the truncated cone-shaped knot with certain taper as a result, Structure so that the installation and removal of belt wheel 3, grinding wheel fixed hub 51 etc. are more convenient, positioning accuracy higher.
One end of collar bush 12 is equipped with flange 15, and flange 15 is structure as a whole with collar bush 12.Flange 15 is pacified with main shaft Tankage 21 matches, and flange 15 is equipped with mounting hole 151, and mounting hole 151 is used for installation bolt 7, and then collar bush 12 is consolidated It is fixed.It is reference for installation with the flange 15 of collar bush 12 as a result, when installing main shaft 1 so that flange 15 and main shaft mounting groove Head 2 where 21 offsets, then by the cooperation of bolt 7 and mounting hole 151, realizes main shaft 1 and main shaft mounting groove 21 It is detachably connected, and then facilitates the maintenance and replacement of main shaft 1.
The head 2 of present embodiment is equipped with belt wheel protective cover 4, and belt wheel protective cover 4 covers at 3 periphery of belt wheel.Belt wheel is protected Shield 4 covers at outside belt wheel 3, can effectively prevent water or dust makes belt wheel 3 dirty, and then keep the cleaning of main shaft 11.
Belt wheel protective cover 4 is equipped with grinding wheel handling brake gear 6, and grinding wheel handling are for conveniently tearing open with brake gear 6 Auxiliary device when sand loading wheel 52.The grinding wheel handling of present embodiment brake gear 6 includes brake pin 61, brake fixing seat 62, brake control handle 63, spring 64 and spring pocket 65.Brake fixing seat 62 is fixed on belt wheel protective cover 4, brake pin 61 one end pass through brake fixing seat 62 and belt wheel protective cover 53 to be matched with belt wheel 3.Spring 64 is sheathed on outside brake pin 61, spring Set 65 is sheathed on outside spring 64, and brake control handle 63 is sheathed on outside spring pocket 65, and is matched with the other end of brake pin 61. One end of brake pin 61 passes through brake fixing seat 62, belt wheel protective cover 4 to be matched with belt wheel 3 as a result, realizes consolidating to belt wheel 3 It is fixed, and then realize the fixation of main shaft 11, then by the cooperation of brake pin 61 and spring 64, spring pocket 65, realize the control of push type System, is conveniently operated.
The belt wheel 3 of present embodiment is equipped with limiting slot 31, the brake pin of limiting slot 31 and grinding wheel handling brake gear 6 61 match.Limiting slot 31 is matched with the brake pin 61 of grinding wheel handling brake gear 6 as a result, when needing replacing grinding wheel 52 When, it is only necessary to brake pin 61 is inserted into limiting slot 31 and can fix one end of main shaft 11 by pressing brake control handle 63, so Grinding wheel 52 is dismantled in the other end of main shaft 11 afterwards, installing and dismounting is simple, convenient, substantially increases the replacement of grinding wheel 52 Efficiency.
When needing that main shaft 11, the main shaft bearing 13 etc. in the main shaft 1 in spindle assemblies are safeguarded and replaced, only It needs first to control grinding wheel handling brake gear 6 and dismantles grinding wheel component 5, then belt wheel 3 of input terminal etc. is dismantled, finally by spiral shell Bolt 7 is dismantled, you can is extracted main shaft 11 and collar bush 12 from main shaft mounting groove 21, is then carried out again to corresponding component Repair and replacement.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art, Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to this practicality Novel protection domain.

Claims (9)

1. the spindle assemblies structure of numerically controlled tooth grinding machine, including head (2) and the main shaft (1) that is installed in head (2), it is special Sign is, main shaft mounting groove (21) is offered on the head (2), and the main shaft (1) can with main shaft mounting groove (21) Dismantling connection, the main shaft (1) include main shaft (11) and collar bush (12), and the main shaft (11) is set in collar bush (12), Main shaft bearing (13) is equipped in the collar bush (12), the main shaft bearing (13) is sheathed on main shaft (11) outside, the collar bush (12) both ends are equipped with sealing cover (14), and the sealing cover (14) is sheathed on main shaft (11) outside, one end of the sealing cover (14) It offsets with main shaft bearing (13), the sealing cover (14) is metallic sealed cover.
2. the spindle assemblies structure of numerically controlled tooth grinding machine according to claim 1, which is characterized in that sealing cover (14) packet Fixed inner sleeve (141), fixed jacket (142) and intermediate sealing layer (143) are included, the intermediate sealing layer (143) is set in fixed It covers between (141) and fixed jacket (142), and is fitted closely with fixed inner sleeve (141), fixed jacket (142), in the fixation Set (141) is fitted closely with main shaft (11), and the fixed jacket (142) fits closely with main shaft (11) set.
3. the spindle assemblies structure of numerically controlled tooth grinding machine according to claim 1, which is characterized in that further include belt wheel (3), institute It states belt wheel (3) and one end of main shaft (11) is fitted close.
4. the spindle assemblies structure of numerically controlled tooth grinding machine according to claim 1, which is characterized in that further include grinding wheel component (5), the grinding wheel component (5) include grinding wheel fixed hub (51), grinding wheel (52), grinding wheel gland (53), clamp nut (54) and Sleeve nut (55), the grinding wheel fixed hub (51) are sheathed on main shaft (11) and are fitted close with one end of main shaft (11), The grinding wheel (52) is sheathed on grinding wheel fixed hub (51), and the grinding wheel gland (53) is sheathed on grinding wheel fixed hub (51) outside And matched with grinding wheel (52), the clamp nut (54) be sheathed on grinding wheel fixed hub (51) outside and with grinding wheel gland (53) phase Cooperation, the sleeve nut (55) are sheathed on main shaft (11) outside and are matched with grinding wheel fixed hub (51).
5. the spindle assemblies structure of numerically controlled tooth grinding machine according to claim 1, which is characterized in that the main shaft (11) is two The end multi-diameter shaft that diameter is small, mid diameter is big.
6. the spindle assemblies structure of numerically controlled tooth grinding machine according to claim 3, which is characterized in that set on the head (2) There are belt wheel protective cover (4), the belt wheel protective cover (4) to cover at belt wheel (3) periphery.
7. the spindle assemblies structure of numerically controlled tooth grinding machine according to claim 6, which is characterized in that the belt wheel protective cover (4) it is equipped with grinding wheel handling brake gear (6), it includes brake pin (61) that the grinding wheel, which is loaded and unloaded with brake gear (6), it is solid to brake Reservation (62), brake control handle (63), spring (64) and spring pocket (65), the brake fixing seat (62) are fixed at belt wheel On protective cover (4), one end of the brake pin (61) passes through brake fixing seat (62), belt wheel protective cover (4) and belt wheel (3) to match It closes, the spring (64) is sheathed on brake pin (61) outside, and the spring pocket (65) is sheathed on spring (64) outside, the brake control Handle (63) is sheathed on spring pocket (65) outside and is matched with the other end of brake pin (61).
8. the spindle assemblies structure of numerically controlled tooth grinding machine according to claim 7, which is characterized in that set on the belt wheel (3) There are limiting slot (31), the brake pin (61) that the limiting slot (31) loads and unloads brake gear (6) with grinding wheel to match.
9. according to the spindle assemblies structure of claim 1~8 any one of them numerically controlled tooth grinding machine, which is characterized in that the master One end of axle sleeve (12) is equipped with flange (15), and the flange (15) matches with main shaft mounting groove (21), the flange (15) It is equipped with mounting hole (151).
CN201820377812.1U 2018-03-20 2018-03-20 The spindle assemblies structure of numerically controlled tooth grinding machine Expired - Fee Related CN207952650U (en)

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CN201820377812.1U CN207952650U (en) 2018-03-20 2018-03-20 The spindle assemblies structure of numerically controlled tooth grinding machine

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Application Number Priority Date Filing Date Title
CN201820377812.1U CN207952650U (en) 2018-03-20 2018-03-20 The spindle assemblies structure of numerically controlled tooth grinding machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108161037A (en) * 2018-03-20 2018-06-15 黄小芬 The spindle assemblies structure of numerically controlled tooth grinding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108161037A (en) * 2018-03-20 2018-06-15 黄小芬 The spindle assemblies structure of numerically controlled tooth grinding machine

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Granted publication date: 20181012

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