CN211413938U

CN211413938U - Gear grinding device

Info

Publication number: CN211413938U
Application number: CN201921428088.1U
Authority: CN
Inventors: 蒋镜清
Original assignee: Quanzhou Yinyi Machinery Co ltd
Current assignee: Quanzhou Yinyi Machinery Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-09-04
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a gear polishing device, which also comprises a controller, a driving motor, an air suction box, a fixed cylinder, a draught fan and a purifying box, wherein a support frame is rotatably connected with a rotating shaft, the rotating shaft is connected with the driving motor through a transmission device, the rotating shaft is connected with a cam, a transverse pipe is arranged on the upper part of a longitudinal plate in a penetrating way, one end of the transverse pipe is provided with a trapezoidal block, a first spring is sleeved on the transverse pipe, a slide block is arranged on the transverse pipe, the lower end of the left side of the trapezoidal block is in contact connection with a pulley, the lower end of the pulley is connected with a lifting rod, the air suction box is provided with an air blowing pipe, a piston plate is arranged in the air suction box, the bottom of the lifting rod is fixedly connected on the middle part of the upper end surface of the piston plate, a working table is connected in a groove, the other end of the draught fan is connected with the purifying box through a pipeline.

Description

Gear grinding device

Technical Field

The utility model relates to a gear grinding device.

Background

The gear is a mechanical element for transmitting motion and power by continuous meshing of gear teeth, and is extremely widely applied to mechanical transmission and the whole mechanical field due to smooth gear transmission. Gears can be divided into four categories, including cylindrical gears, bevel gears, toothed rings, and special purpose gears. However, the existing gear machining device is complex in structure, metal scraps generated in the internal grinding device during working are not easy to collect, and the quality and efficiency of gear machining are easily affected; in addition, during processing, waste gas is easily generated, air pollution is caused, and the quality of the working environment of workers is influenced.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a gear grinding device.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a gear polishing device comprises a rack, wherein a millstone is arranged on the rack, the gear polishing device also comprises a controller, a driving motor, an air pumping box, a fixed cylinder, an induced draft fan and a purifying box, a support frame is longitudinally arranged on the upper end surface of the rack, the driving motor is fixedly connected on the right side of a top plate of the support frame, a rotating shaft is rotatably connected on the middle part of the top plate of the support frame through a bearing, the rotating shaft is connected with the driving motor through a transmission device, a cam is fixedly connected on the middle upper part of the rotating shaft, a longitudinal plate is fixedly arranged on the left side of the upper end surface of the rack, a transverse pipe is arranged on the upper part of the longitudinal plate in a penetrating way, a trapezoidal block is arranged at one end of the transverse pipe, a first spring is further sleeved at the part of the transverse pipe, which is positioned between the right side surface of the trapezoidal block and the left side surface of the longitudinal plate, and a sliding block, the lower end of the left side of the trapezoid block is connected with a pulley in a contact manner, the lower end of the pulley is connected with a lifting rod, the air pumping box is arranged on the left side of a longitudinal plate on the rack, the right side of the air pumping box is provided with an air blowing pipe, a piston plate is arranged in the air pumping box, the bottom of the lifting rod is fixedly connected onto the middle part of the upper end surface of the piston plate, the rotating shaft is connected with the fixed cylinder through a connecting sleeve, a longitudinally arranged cavity groove is formed in the lower part of the rotating shaft, a first rotating gear is rotationally connected in the fixed cylinder, a lifting screw rod is in threaded connection with the middle part of the first rotating gear, the top of the lifting screw rod extends towards the cavity groove in the rotating shaft, the grinding disc is fixed on the bottom of the lifting screw rod through a locking bolt, and a second spring is further connected to the part of the lifting, be provided with a second rotating gear who is connected with the meshing of first rotating gear in the solid fixed cylinder, second rotating gear's gear shaft run through behind the lateral wall of solid fixed cylinder further with manual handle looks fixed connection, set up one on the middle part of frame up end and be hopper-shaped recess, the recess in-connection has a table surface who is used for processing the gear, the both sides of table surface up end are provided with the centre gripping subassembly that carries out processing to the gear, a plurality of through-holes that are convenient for the piece and drop are seted up on the table surface, the one end of draught fan is connected with the bottom of recess through the pipeline, and the other end and the purifying box of this draught fan are connected through the pipeline.

Further, transmission includes the action wheel, follows driving wheel and V-belt, the action wheel passes through connecting key fixed connection on driving motor's output shaft, establish the tip department that exposes the support frame roof outside the axis of rotation from the driving wheel cover, the triangle belt twines and establishes between action wheel and the follow driving wheel.

Furthermore, the bottom surface of the working table top is connected with the groove through a support column, and the periphery of the working table top is in interference fit with the side wall of the groove.

Further, the left side of purifying box is provided with the blast pipe, the right-hand member portion of purifying box bottom surface is provided with the chip removal pipe, the left and right sides department that lies in the chip removal pipe directly over in the purifying box respectively is provided with a deflector, it has the interlayer to set gradually many electromagnetism iron sticks, first active carbon filter screen, ultraviolet purification mechanism and second active carbon filter screen to lie in the purifying box on the left side of left deflector, the cladding has on the outer periphery of electromagnetism iron stick, ultraviolet purification mechanism includes titanium dioxide photocatalyst net, ultraviolet lamp, all fix on the inner wall of purifying box around the titanium dioxide photocatalyst net, be equipped with a plurality of perforation on the titanium dioxide photocatalyst net, the ultraviolet lamp is installed in the perforation.

Further, the ultraviolet lamp, the electromagnet rod, the driving motor and the induced draft fan are all connected with an external power supply and a controller.

Further, the centre gripping subassembly comprises the holder that the symmetry set up in the table surface left and right sides, each the holder all includes fixing base, adjusting screw and lock nut and rubber antiskid clamp plate, the bottom fixed connection of fixing base is on table surface, the adjusting screw spiro union is on the fixing base middle part, the fixed setting of rubber antiskid clamp plate is on adjusting screw's head, lock nut's quantity is two, and locks respectively on the left and right sides that adjusting screw is located the fixing base.

Furthermore, the middle part of the first rotating gear is provided with an internal thread matched with the external thread on the lifting screw rod.

Furthermore, a linear guide groove is formed in a top plate of the support frame, and a guide block which can be slidably connected with the linear guide groove is arranged on the top surface of the trapezoidal block.

Furthermore, the frame is located and still encloses a rectangle dust cover around table surface, it has a door body to articulate on the front side of rectangle dust cover, the middle department of door body is provided with a perspective window.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. the utility model provides a pair of gear grinding device, through setting up driving motor, the axis of rotation, the second spring, adapter sleeve and lifting screw, the workman will treat the gear of processing promptly and place on table surface, wave the handle, the rotation of second gear has been driven, and then the rotation of the first gear of being connected with second gear engagement has been driven, and because first gear revolve connects in the solid fixed cylinder, it can reciprocate in the chamber groove then to have driven lifting screw, it can reciprocate to have driven the mill promptly, and under driving motor and transmission effect, the mill can be golden male to rotate, thereby make this gear grinding device can polish to the gear of a plurality of different thickness, therefore, the clothes hanger is strong in practicability.

2. The utility model provides a gear grinding device, through setting up the environment of relative seal, utilize the wind-force that the suction box produced under the effect of lifter, act on the gear terminal surface of polishing through the gas blow pipe, and be provided with the purifying box in the lower part of frame, waste gas and piece that can produce when simultaneously processing the gear on table surface are absorbed into the recess by the through-hole, then under the effect of pipeline and draught fan, in the purifying box, waste gas adsorbs the filtration through two active carbon filter screens and ultraviolet purification mechanism inside the purifying box, remove the peculiar smell, exhaust pipe discharges after the waste gas purification, and the metal piece that is sucked along with waste gas is adsorbed by the electromagnetism pole, after adsorbing, the controller control electromagnetism pole cuts off the power supply, the demagnetization of the electromagnetism pole, the piece falls down under its own action of gravity, discharge by the chip removal pipe of purifying box bottom behind the deflector, and then reach the purpose that purifies waste gas and collect the piece on the table surface, improved the efficiency and the quality that the gear burr was got rid of, avoided adding the waste gas that produces man-hour, the problem of contaminated air, improved workman's operational environment quality.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural diagram of a gear polishing device according to the present invention;

FIG. 2 is an external structural view of a gear polishing device according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is a side view of the ultraviolet light purification mechanism of the gear polishing device of the present invention.

In the figure: 1. the device comprises a rack 2, a grinding disc 3, a controller 4, a driving motor 5, an air pumping box 6, a fixed cylinder 71, a fixed seat 72, an adjusting screw 73, a locking nut 74, a rubber anti-skid pressing plate 8, a purifying box 81, an exhaust pipe 82, a chip removal pipe 83, a guide plate 84, an electromagnet rod 84a, an interlayer 85, a first active carbon filter screen 86, an ultraviolet light purifying mechanism 86a, a titanium dioxide photocatalyst net 86b, an ultraviolet lamp 87, a second active carbon filter screen 91, a driving wheel 92, a driven wheel 93, a triangular belt 10, a supporting frame 10a, a linear guide groove 11, a rotating shaft 11a, a cavity groove 12, a cam 13, a longitudinal plate 14, a transverse pipe 15, a trapezoidal block 16, a sliding block 17, a first spring 18, a pulley 19, a lifting rod 20, a piston plate 21, a connecting sleeve 23, a lifting screw 24, a second spring 25, a first rotating gear 26 and a second rotating gear 27. The manual handle 28, the groove 29, the working table surface 29a, the through hole 30, the support 31, the draught fan 32, the gear 33, the rectangular dust cover 34, the door body 35 and the perspective window.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Examples

Referring to fig. 1, 2, 3 and 4, a gear grinding device comprises a frame 1, a grinding disc 2 is arranged on the frame, a controller 3, a driving motor 4, a pumping box 5, a fixed cylinder 6, a draught fan 31 and a purifying box 8 are further included, a support frame 10 is longitudinally arranged on the upper end surface of the frame 1, the driving motor 4 is fixedly connected to the right side of the top plate of the support frame 10, a rotating shaft 11 is rotatably connected to the middle of the top plate of the support frame 10 through a bearing, the rotating shaft 11 is connected with the driving motor 4 through a transmission device, a cam 12 is fixedly connected to the middle upper portion of the rotating shaft 11, a longitudinal plate 13 is fixedly arranged on the left side of the upper end surface of the frame 1, a transverse pipe 14 penetrates through the upper portion of the longitudinal plate 13, a trapezoidal block 15 is arranged at one end of the transverse pipe 14, a first spring 17 is further sleeved at the portion of the transverse pipe 14 located between the right side surface of the trapezoidal block 15 and the, a slide block 16 in contact connection with the left end of the cam 12 is arranged at the end part of the transverse pipe 14 far away from the trapezoid block 15, a pulley 18 is in contact connection with the lower end of the left side of the trapezoid block 15, a lifting rod 19 is connected with the lower end of the pulley 18, the air pumping box 5 is arranged on the left side of the rack 1 on the longitudinal plate 13, an air blowing pipe 20 is arranged on the right side of the air pumping box 5, a piston plate 21 is arranged in the air pumping box 5, the bottom of the lifting rod 19 is fixedly connected to the middle part of the upper end surface of the piston plate 21, the rotating shaft 11 is connected with the fixed cylinder 6 through a connecting sleeve 22, a longitudinally arranged cavity groove 11a is arranged on the lower part of the rotating shaft 11, a first rotating gear 25 is rotatably connected in the fixed cylinder 6, a lifting screw 23 is in threaded connection with the middle part of the first rotating gear 25, the top of the lifting screw 23 extends to the cavity groove 11a, a second spring 24 is connected to the part of the lifting screw 23 between the bottom surface of the rotating shaft 11 and the inner bottom wall of the connecting sleeve 22, a second rotating gear 26 meshed with the first rotating gear 25 is arranged in the fixed cylinder 6, the gear shaft of the second rotating gear 26 penetrates through the side wall of the fixed cylinder and then is fixedly connected with the manual handle 27, a funnel-shaped groove 28 is formed in the middle of the upper end surface of the frame 1, a working table 29 for processing the gear 32 is connected in the groove 28, clamping components for processing the gear are arranged on two sides of the upper end surface of the working table 29, a plurality of through holes 29a convenient for falling of scraps are formed in the working table 29, one end of an induced draft fan 31 is connected with the bottom end of the groove 28 through a pipeline, the other end of the induced draft fan 31 is connected with the purifying box 8 through a pipeline, and the transmission device comprises a driving wheel 91, a driven, a driving wheel 91 is fixedly connected on an output shaft of a driving motor 4 through a connecting key, a driven wheel 92 is sleeved at the end part of a rotating shaft 11 exposed out of a top plate of a support frame 10, a triangle belt 93 is wound between the driving wheel 91 and the driven wheel 92, the bottom surface of a working table 29 is connected with a groove 28 through a support column 30, the periphery of the working table and the side wall of the groove are in interference fit, an exhaust pipe 81 is arranged at the left side of a purifying box 8, a chip removal pipe 82 is arranged at the right end part of the bottom surface of the purifying box 8, a guide plate 83 is respectively arranged at the left side and the right side of the purifying box 8 which is positioned right above the chip removal pipe, an electromagnetic iron bar 84, a first active carbon filter screen 85, an ultraviolet light purifying mechanism 86 and a second active carbon filter screen 87 are sequentially arranged on the left side of the guide plate 83 positioned at the left side in, the ultraviolet light purification mechanism 86 comprises a titanium dioxide photocatalyst net 86a and ultraviolet lamps 86b, the periphery of the titanium dioxide photocatalyst net 86a is fixed on the inner wall of the purification box 8, a plurality of through holes are formed in the titanium dioxide photocatalyst net, the ultraviolet lamps are installed in the through holes, the ultraviolet lamps 86b, the electromagnet rods 84, the driving motor 4 and the induced draft fan 31 are connected with the external power supply and the controller 3, the clamping components comprise clamping pieces symmetrically arranged on the left side and the right side of the worktable, each clamping piece comprises a fixed seat 71, an adjusting screw 72, a locking nut 73 and a rubber anti-skid pressing plate 74, the bottom of the fixed seat 71 is fixedly connected to the worktable 29, the adjusting screw 72 is screwed on the middle part of the fixed seat 71, the rubber anti-skid pressing plates 74 are fixedly arranged on the head part of the adjusting screw 72, the number of the locking nuts 73 is two, and the two locking nuts are respectively locked on the adjusting, the middle of the first rotating gear 25 is provided with an internal thread matched with the external thread on the lifting screw 23, the top plate of the support frame 10 is provided with a linear guide groove 10a, the top surface of the trapezoidal block is provided with a guide block which can be slidably connected with the linear guide groove, the periphery of the rack on the working table surface is also provided with a rectangular dust cover 33 in an enclosing manner, the front side surface of the rectangular dust cover 33 is hinged with a door body 34, and the middle of the door body 34 is provided with a perspective window 35. The utility model provides a gear grinding device, through setting up driving motor, the axis of rotation, the second spring, adapter sleeve and lifting screw, namely the workman places the gear that will process on table surface, wave the handle, the rotation of second gear has been driven, and then the rotation of the first gear that is connected with the meshing of second gear, and because the first gear rotates and connects in the fixed cylinder, then drive lifting screw can reciprocate in the chamber groove, namely drive the mill and can reciprocate, thereby make this gear grinding device can polish a plurality of gears of different thickness, therefore the practicality is strong, furthermore, through setting up the environment of relative seal, utilize the wind-force that the exhaust box produced under the effect of lifter, act on the gear terminal surface of polishing through the gas blow pipe, and be provided with the purifying box in the lower part of frame, waste gas and piece that the while can produce when gear processing on table surface are absorbed into the recess by the through-hole, then, under the action of a pipeline and a draught fan, the waste gas is conveyed into the purifying box, the waste gas is adsorbed and filtered by two active carbon filter screens and an ultraviolet light purifying mechanism in the purifying box to remove peculiar smell, the waste gas is discharged by an exhaust pipe after being purified, metal debris sucked along with the waste gas is adsorbed by an electromagnet rod, after the adsorption, a controller controls the electromagnet rod to be powered off, the electromagnet rod loses magnetism, the debris falls under the action of the gravity of the electromagnet rod, the debris is discharged by a chip discharge pipe at the bottom of the purifying box after passing through a guide plate, the purposes of purifying the waste gas and collecting the debris on a working table top are further achieved, the efficiency and the quality of removing gear burrs are improved, the problems of waste gas and air pollution generated during processing are avoided, the quality of the working environment of workers is improved, and further, a transmission device comprises a driving wheel 91, a driven wheel 92 and a triangular belt 93, the driving wheel 91 is fixedly connected on an output shaft of a driving, the driven wheel 92 is sleeved at the end part of the rotating shaft 11 exposed out of the top plate of the support frame 10, the triangle belt 93 is wound between the driving wheel 91 and the driven wheel 92, the transmission stability is ensured, further, the bottom surface of the working table 29 is connected with the groove 28 through the support 30, the connection mode between the periphery of the working table and the side wall of the groove is interference fit, namely no gap is reserved, so that the discharge of fragments is facilitated, further, the left side and the right side of the purification box 8 which are positioned right above the chip removal pipe are respectively provided with a guide plate 83 which is beneficial for the fragments to quickly fall into a draught fan, further, the left side of the guide plate 83 which is positioned at the left side in the purification box 8 is sequentially provided with an electromagnet rod 84, a first activated carbon filter screen 85, an ultraviolet light purification mechanism 86 and a second activated carbon filter screen 87, the outer circumferential surface of the electromagnet rod 84 is coated with an interlayer 84, the ultraviolet light purification mechanism 86 comprises a titanium dioxide photocatalyst net 86a and an ultraviolet lamp 86b, the periphery of the titanium dioxide photocatalyst net 86a is fixed on the inner wall of the purification box 8, namely two active carbon filter screens, namely the titanium dioxide photocatalyst net generates superoxide anion free radicals under the action of ultraviolet light, along with negative oxygen ions, the superoxide anion free radicals have the purposes of sterilizing and purifying air, the negative oxygen ions are further increased to ensure the content of the negative oxygen ions in the air, further, the ultraviolet lamp 86b, the electromagnet rod 84, the driving motor 4 and the induced draft fan 31 are all connected with an external power supply and the controller 3, namely the controller 3 adopts an HST-42 controller, the rated voltage of the controller is 110 and 220V, the power of the controller is 0.004KW, the speed response frequency is 5KHZ, the driving motor 4 adopts GS0075A to drive the motor, the power of the controller is 0.2-3KW, the rated voltage of the controller is 220V, the speed response frequency is 1000KHz, wherein the controller is used for controlling the operation of the ultraviolet lamp, the electromagnet rod, the driving motor and the induced draft fan, further, the clamping assembly is composed of clamping pieces symmetrically arranged at the left side and the right side of the worktable, each clamping piece comprises a fixed seat 71, an adjusting screw 72, a locking nut 73 and rubber anti-slip pressing plates 74, the bottom of the fixed seat 71 is fixedly connected to the worktable 29, the adjusting screw 72 is screwed on the middle part of the fixed seat 71, the rubber anti-slip pressing plates 74 are fixedly arranged on the head part of the adjusting screw 72, the number of the locking nuts 73 is two, and the two locking nuts are respectively locked on the left side and the right side of the adjusting screw 72 on the fixed seat 71, the gear to be processed is placed on the worktable, the gear is fixed between the two rubber anti-slip pressing plates by adjusting the two adjusting screws and the locking nuts, and the replaceable grinding discs are, the practicality is improved, and is further, the frame is located table surface still encloses all around and is equipped with a rectangle dust cover 33, and it has a door body 34 to articulate on the leading flank of rectangle dust cover 33, and the centre department of the door body 34 is provided with a perspective window 35, and rectangle dust cover 33 fixes on table surface promptly, can realize treating placing and taking out of processing gear through opening a body.

The working principle is as follows: the worker firstly connects an external power supply to the equipment, and places the gear to be processed on a working table surface, so that the gear to be processed is positioned between two rubber anti-skid pressure plates and is fixed by a locking nut, thus the purpose of quickly installing the gear to be processed is achieved, then, the worker shakes a manual handle by hand, the manual handle drives a second rotating gear to rotate, further drives a first rotating gear meshed and connected with the second rotating gear to rotate, further drives a lifting screw in threaded connection with the first rotating gear to move up and down, the adjustment of the height of the grinding disc is realized, the grinding of the gears with different thicknesses is convenient, then, the power supply of a driving motor is opened through a controller, so that the driving motor starts to work, the driving motor drives a rotating shaft to rotate through a transmission device, on one hand, the grinding disc can be driven to rotate, and further the end surface of the gear can be ground, on the other hand, the rotation of the rotating shaft drives the rotation of the cam positioned at the upper part of the rotating shaft, the cam is driven to rotate, the transverse pipe drives the trapezoidal block to move left and right, then the lifting rod can move up and down, further the lifting rod drives the piston plate to move up and down along the inner wall of the air pumping box (wherein the air pumping box is connected with an external air source through an air pipe), the generated air flows out from the air blowing pipe, the air blowing pipe acts on the end surface of the gear being polished, the polished metal scraps can be blown up, meanwhile, a worker can turn on the power supply of the draught fan through the controller to enable the draught fan to start working and generate negative pressure, waste gas and scraps generated on the working table surface are sucked into the groove through the through hole and then are conveyed into the purifying box under the action of the pipeline and the draught fan, and the waste gas is, get rid of the peculiar smell, exhaust by the blast pipe behind the exhaust purification, and the metal debris that is inhaled along with waste gas together receives the absorption of electromagnetism iron stick, adsorb the back, the outage of controller control electro-magnet stick, the magnetism is got rid of to the electro-magnet stick, the piece falls down under its self action of gravity, discharge by the chip removal pipe of purifying box bottom portion behind the deflector, and then reach the purpose of purifying waste gas and collecting the piece on the table surface, the efficiency and the quality that the gear burr was got rid of have been improved, the waste gas that has avoided adding man-hour to produce, the problem of contaminated air, workman's operational environment quality has been improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a gear grinding device, includes frame (1), be equipped with mill (2) in the frame, its characterized in that: still include controller (3), driving motor (4), draft box (5), a fixed cylinder (6), draught fan (31) and purifying box (8), fore-and-aft on the up end of frame (1) is provided with a support frame (10), driving motor (4) fixed connection is on the right side of support frame (10) roof, be connected with a rotation axis (11) through the bearing rotation on the middle part of support frame (10) roof, be connected through transmission between rotation axis (11) and driving motor (4), fixedly connected with cam (12) on the well upper portion of rotation axis (11), fixedly on the left side of frame (1) up end be provided with a vertical plate (13), wear to be equipped with a horizontal pipe (14) on the upper portion of vertical plate (13), the one end of horizontal pipe (14) is provided with a ladder (15), horizontal pipe (14) are located the right flank of ladder-shaped block (15) and the left surface of vertical plate (13) are located A first spring (17) is further sleeved at the middle part, a sliding block (16) in contact connection with the left end of the cam (12) is arranged at the end part, far away from the trapezoidal block (15), of the transverse pipe (14), a pulley (18) is in contact connection with the lower end of the left side of the trapezoidal block (15), the lower end of the pulley (18) is connected with a lifting rod (19), the air pumping box (5) is arranged on the left side, located on the longitudinal plate (13), of the rack (1), an air blowing pipe (20) is arranged on the right side of the air pumping box (5), a piston plate (21) is arranged in the air pumping box (5), the bottom of the lifting rod (19) is fixedly connected to the middle part of the upper end face of the piston plate (21), the rotating shaft (11) is connected with the fixed cylinder (6) through a connecting sleeve (22), and a cavity groove (11a) which is longitudinally arranged is formed in the lower part of the rotating, a first rotating gear (25) is rotationally connected in the fixed cylinder (6), a lifting screw (23) is in threaded connection with the middle of the first rotating gear (25), the top of the lifting screw (23) extends towards a cavity groove (11a) in the rotating shaft, the grinding disc (2) is fixed on the bottom of the lifting screw (23) through a locking bolt, a second spring (24) is further connected with a part of the lifting screw (23) between the bottom surface of the rotating shaft (11) and the inner bottom wall of the connecting sleeve (22), a second rotating gear (26) meshed with the first rotating gear (25) is arranged in the fixed cylinder (6), a gear shaft of the second rotating gear (26) penetrates through the side wall of the fixed cylinder and then is fixedly connected with a manual handle (27), a funnel-shaped groove (28) is formed in the middle of the upper end face of the rack (1), recess (28) in-connection has one table surface (29) that is used for processing gear (32), the both sides of table surface (29) up end are provided with the centre gripping subassembly that carries out processing to the gear, set up a plurality of through-holes (29a) that are convenient for the piece to drop on table surface (29), the one end of draught fan (31) is connected through the bottom of pipeline with recess (28), and the other end and purifying box (8) of this draught fan (31) are connected through the pipeline.

2. A gear grinding apparatus as defined in claim 1, wherein: transmission includes action wheel (91), follows driving wheel (92) and V-belt (93), action wheel (91) are through connecting key fixed connection on driving motor's (4) output shaft, establish the tip department that exposes support frame (10) roof outside axis of rotation (11) from driving wheel (92) cover, V-belt (93) twine and establish between action wheel (91) and follow driving wheel (92).

3. A gear grinding apparatus as defined in claim 1, wherein: the bottom surface of the working table surface (29) is connected with the groove (28) through a support column (30), and the periphery of the working table surface is in interference fit with the side wall of the groove.

4. A gear grinding apparatus according to claim 3, wherein: the left side of purifying box (8) is provided with blast pipe (81), the right-hand member portion of purifying box (8) bottom surface is provided with chip removal pipe (82), the left and right sides department that lies in the chip removal pipe directly over in purifying box (8) respectively is provided with deflector (83), it has many electromagnetism pole (84), first active carbon filter screen (85), ultraviolet purification mechanism (86) and second active carbon filter screen (87) to lie in proper order on the left side of left deflector (83) in purifying box (8), the cladding has interlayer (84a) on the outer periphery of electromagnetism pole (84), ultraviolet purification mechanism (86) include titanium dioxide photocatalyst net (86a), ultraviolet lamp (86b), all fix on the inner wall of purifying box (8) around titanium dioxide photocatalyst net (86a), be equipped with a plurality of perforation on the titanium dioxide photocatalyst net, the ultraviolet lamp is arranged in the through hole.

5. A gear grinding apparatus according to claim 4, wherein: the ultraviolet lamp (86b), the electromagnet rod (84), the driving motor (4) and the induced draft fan (31) are connected with an external power supply and the controller (3).

6. A gear grinding apparatus as defined in claim 1, wherein: the centre gripping subassembly comprises the holder of symmetry setting in the table surface left and right sides, each the holder all includes fixing base (71), adjusting screw (72) and lock nut (73) and rubber anti-skidding clamp plate (74), the bottom fixed connection of fixing base (71) is on table surface (29), adjusting screw (72) spiro union is on fixing base (71) middle part, rubber anti-skidding clamp plate (74) are fixed to be set up on the head of adjusting screw (72), the quantity of lock nut (73) is two, and locks respectively on adjusting screw (72) are located the left and right sides of fixing base (71).

7. A gear grinding apparatus as defined in claim 1, wherein: and the middle part of the first rotating gear (25) is provided with an internal thread matched with the external thread on the lifting screw rod (23).

8. A gear grinding apparatus as defined in claim 1, wherein: the top plate of the support frame (10) is provided with a linear guide groove (10a), and the top surface of the trapezoidal block is provided with a guide block which can slide along the linear guide groove.

9. A gear grinding apparatus as defined in claim 1, wherein: the frame is located still to enclose around the table surface and is equipped with a rectangle dust cover (33), it has a door body (34) to articulate on the leading flank of rectangle dust cover (33), the middle department of door body (34) is provided with perspective window (35).