CN207387381U - A kind of lower disc of planetary gear type double-faced grinding/polishing machine - Google Patents

Abstract

The utility model discloses a kind of lower disc of planetary gear type double-faced grinding/polishing machine, including rack, sun gear, ring gear, lower abrasive disk, lower abrasive disk driving mechanism and ring gear elevating mechanism；Rack includes engine base and the mounting base being fixed on engine base, and ring gear elevating mechanism includes edge cam, lifting set, cam drive mechanism and gear ring support；Edge cam pine is sleeved on the lower part of mounting base, bottom surface by mounting base base support；Lifting set pine is sleeved on the middle part of mounting base, and ring gear is fixed on gear ring support, and gear ring support is mounted on lifting and puts on；Cam drive mechanism is mounted in rack, Driving plane cam rotation, and lifting set is driven by the working face at the top of edge cam.The utility model is moved up and down by actuated by cams ring gear, and ring gear can promptly land, and concede space, convenient in operative employee on lower abrasive disk workpiece loading and unloading；On lower abrasive disk after workpiece loading and unloading, ring gear can promptly return, man-hour can be saved.

Description

A kind of lower disc of planetary gear type double-faced grinding/polishing machine

Technical field]

The utility model is related to grinder or polishing machine more particularly to a kind of planetary gear type double-faced grinding/polishing machines Lower disc.

Background technology]

Double-faced grinding/polishing machine is highly suitable for the same of upper and lower two parallel end faces of hard brittle material thin type precision component When be ground and polishing, flatness, equal thickness and the very high thin part of roughness requirements can be processed, thus in optics and The manufacture field of semi-conducting material is widely applied.

The patent application of Application No. CN201510181010.4 discloses a kind of planetary gear type twin grinding/polishing Machine, sun gear are fixed on the upper end of sun wheel drive shaft, and the middle part of sun wheel drive shaft is supported by mounting base, sun gear elevator Structure includes the first swivel nut, the second swivel nut, supporting plate and complex root pull rod；First swivel nut pine is sleeved on outside mounting base, by mounting base branch It holds, the internal thread of the second swivel nut and the external screw thread of the first swivel nut screw, and the first swivel nut is driven by lift drive mechanism；Mounting base Lower part includes a plurality of tie rod holes, and the upper end of pull rod is fixed on the second swivel nut, and the lower end of pull rod is fixed on support through tie rod hole On plate, supporting plate is mounted on the lower part of sun wheel drive shaft.

The planetary gear type double-faced grinding/polishing machine that the invention is related to does not design water-cooling structure, mill and workpiece because of lower wall Contact in process for a long time, and mill is caused to generate heat with grinding fluid, grinding fluid evaporation is fast, easily generates to product surface Damage.And the grinding fluid that grinding and polishing uses has temperature certain requirement, excessively high temperature can make the moisture content mistake in grinding fluid Fast evaporates, and grinding fluid is caused easily to crystallize, so that the waste of grinding fluid increases, the smelting in addition used in equipment has and is It is bonded using glue, excessively high temperature can make smelting have degumming, so as to reduce the service life of smelting tool.

In addition, though the height of ring gear can be adjusted by swivel nut, but ring gear height is adjusted with swivel nut Degree is very slow, and ring gear is unable to fast lifting, is not easy to quick despatch workpiece.

The content of the invention]

The planetary gear type for being capable of fast lifting the technical problem to be solved by the present invention is to provide a kind of ring gear is double The lower disc of face grinding/polishing machine.

In order to solve the above-mentioned technical problem, to be that a kind of planetary gear type is two-sided grind the technical solution adopted in the utility model The lower disc of mill/polishing machine, including rack, sun gear, ring gear, lower abrasive disk, lower abrasive disk driving mechanism and ring gear Elevating mechanism；Rack includes engine base and the mounting base being fixed on engine base, and ring gear elevating mechanism includes edge cam, lifting Set, cam drive mechanism and gear ring support；Edge cam pine is sleeved on the lower part of mounting base, bottom surface by mounting base base support； Lifting set pine is sleeved on the middle part of mounting base, and ring gear is fixed on gear ring support, and gear ring support is mounted on lifting and puts on；Cam drives Motivation structure is mounted in rack, Driving plane cam rotation, and lifting set is driven by the working face at the top of edge cam.

The lower disc of above-described planetary gear type double-faced grinding/polishing machine, the working face of edge cam include two A centrosymmetric type face, lifting set include sleeve and two sets of followers being symmetrically installed, and follower includes axis pin and rolling Wheel, the inner end of axis pin are packed in the lower part of sleeve, and idler wheel is mounted on the outside of axis pin, idler wheel by edge cam type surface bearing； Cam drive mechanism includes lifting cylinder, push-pull rod, drive pin and crank, and the cylinder body of lifting cylinder is horizontally fixed on rack On, the rear end of push-pull rod is fixed on the piston rod of lifting cylinder；Crank includes oblong aperture vertically, and the inner end of crank is fixed on On edge cam；Drive pin is fixed on the forepart of push-pull rod, through the oblong aperture of crank.

The lower disc of above-described planetary gear type double-faced grinding/polishing machine, cam drive mechanism include /V spiral shell Nail, the forepart of push-pull rod include the slot of prolate, and crank passes through the slot of push-pull rod forepart；Stop screw is mounted in rack, Positioned at the front of push-pull rod；The idler wheel is needle bearing.

The lower disc of above-described planetary gear type double-faced grinding/polishing machine, including ring gear driving mechanism, internal tooth Enclosing driving mechanism includes bearing holder (housing, cover) and ring gear drive gear, and bearing holder (housing, cover) is mounted on the top of lifting set, gear ring branch by bearing Frame is fixed on the top of bearing holder (housing, cover), and ring gear drive gear is fixed on the lower part of bearing holder (housing, cover).

The lower disc of above-described planetary gear type double-faced grinding/polishing machine, lower abrasive disk driving mechanism include support Disk, lower grinding disk drive shaft, lower abrasive disk drive gear and driving device；Lower grinding disk drive shaft passes through the endoporus of mounting base, It is supported by the bearing in mounting base；Lower abrasive disk is fixed on pallet, pallet be fixed on it is lower grinding disk drive shaft upper end, under grind Mill drive gear is mounted on the lower end of lower grinding disk drive shaft；Driving device includes main motor, main gear reducer, main gear reducer tooth Wheel, distributing shaft and the input gear being fixed on distributing shaft, main gear reducer gear are engaged with input gear, drive distributing shaft rotation Turn；Mill driving wheel in the middle part of distributing shaft is engaged with lower abrasive disk drive gear, drives lower abrasive disk drive shaft turns； Gear ring driving gear mounted on distributing shaft top is engaged with ring gear drive gear, and gear ring support is driven to be revolved together with ring gear Turn.

The utility model is moved up and down by actuated by cams ring gear, and ring gear can promptly land, and concedes space, just In in operative employee on lower abrasive disk workpiece loading and unloading；On lower abrasive disk after workpiece loading and unloading, ring gear can promptly return, can To save man-hour.

[description of the drawings]

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

Fig. 1 is the utility model embodiment planetary gear type twin grinding（Polishing）The front view of machine lower disc.

Fig. 2 is the top view of the utility model embodiment planetary gear type twin grinder lower disc.

Fig. 3 is A in Fig. 1 to sectional view.

Fig. 4 is B in Fig. 1 to sectional view.

Fig. 5 is C in Fig. 3 to sectional view.

Fig. 6 is D in Fig. 3 to sectional view.

Fig. 7 is E in Fig. 5 to sectional view.

Fig. 8 is F in Fig. 5 to sectional view.

Fig. 9 is G in Fig. 5 to sectional view.

Figure 10 is H in Fig. 5 to sectional view.

Figure 11 is I in Fig. 1 to sectional view.

Figure 12 is K in Fig. 5 to sectional view.

Figure 13 is the top view of the utility model embodiment aqueous cold plate.

Figure 14 is L in Fig. 5 to sectional view.

Figure 15 is M in Fig. 5 to sectional view.

Figure 16 is the partial enlarged view at I position in Fig. 3.

Specific embodiment]

The utility model embodiment planetary gear type twin grinding（Polishing）The lower disc of machine as shown in Fig. 1 to Figure 16, Including rack, sun gear 10, ring gear 11, lower abrasive disk, sun actuation, ring gear driving mechanism, lower abrasive disk drive Motivation structure, top lap driving mechanism, ring gear elevating mechanism and lower wall magnetism servo-electric motor water-cooling.

Rack includes engine base 19 and the mounting base 1 being fixed on engine base 19, and mounting base 1 is hollow, and installation bead is arranged at lower part 101, the bead 101 of mounting base is fixed on carriage bolt 89 on engine base 19.

Sun wheel drive shaft 2 is hollow shaft, top lap driving mechanism include central shaft 4 and thumb wheel 401, upper bearing (metal) 23, Lower bearing 24, center axle bearing 27, the drive disk 30 of central shaft drive gear (upper dish driving gear) 28 and top lap.Center Axis 4 passes through the endoporus of sun wheel drive shaft 2, and the drive disk of top lap is fixed on the upper end of central shaft 4, central shaft drive gear 28 are fixed on the lower part of central shaft 4, and the lower end of central shaft 4 is mounted on the lower part of engine base 19 by center axle bearing 27.Upper bearing (metal) 23 and the inner ring of lower bearing 24 be separately fixed at the upper and lower part of central shaft 4.It is driven mounted on sun gear the outer ring of upper bearing (metal) 23 The upper end of 2 endoporus of moving axis, the outer ring of lower bearing 24 are mounted on the lower end of 2 endoporus of sun wheel drive shaft.

Central shaft drive gear (upper dish driving gear) 28 is engaged with the secondary reducer gear 93 on secondary speed reducer 92, secondary electricity Machine 94 is direct-connected on secondary speed reducer 92, and upper disk pulls out 401 for rotation of wheel by the drive of auxiliary-motor 94, pulls out wheel 401 and engages with upper disk block tongue Entirely upper disc spins can be driven.

Lower abrasive disk driving mechanism includes pallet 37, lower grinding disk drive shaft 3 and lower abrasive disk drive gear 15.Lower grinding Disk drive shaft 3 passes through the endoporus of mounting base 1, and upper and lower part is supported by the upper bearing (metal) 16 in 1 endoporus of mounting base, lower bearing 35. Lower abrasive disk is fixed on pallet 37, and pallet 37 is fixed on the upper end of lower grinding disk drive shaft 3, and lower abrasive disk drive gear 15 is logical Cross the lower end that nut 17 is fixed on lower grinding disk drive shaft 3.Main motor 84 is by main gear reducer 85, main gear reducer gear 86 and divides Distributing shaft 88 is driven with the input gear 87 on axis 88.Mill driving wheel 90 mounted on 88 middle part of distributing shaft drives with lower abrasive disk Moving gear 15 engages, and lower grinding disk drive shaft 3 is driven to rotate.

It is lower grinding disk drive shaft 3 be hollow shaft, sun wheel drive shaft 2 through it is lower grinding disk drive shaft 3 endoporus, respectively by Upper bearing (metal) 25 and lower bearing 26 in lower grinding 3 endoporus of disk drive shaft support.Sun wheel drive gear 36 is fixed on sun gear drive The lower end of moving axis 2 is driven by small machine 81 by small speed reducer 82 and small reducer gear 83.

Lower abrasive disk includes aqueous cold plate 13 and mill 12, and aqueous cold plate 13 is connected with mill 12.The top of aqueous cold plate 13 includes Cooling water channel 1301 is tightened by bolts between aqueous cold plate 13 and mill 12, between the top surface of aqueous cold plate 13 and the bottom surface of mill 12 It is sealed by fluid sealant, the cooling jacket of lower abrasive disk is formed after the closing of cooling water channel 1301 of aqueous cold plate 13.

The bottom of aqueous cold plate 13 includes two water inlets 1302 and two water outlets 1303, two water inlets of aqueous cold plate 13 1302 and two water outlets 1303 connected respectively with internal cooling water channel 1301.

As shown in Figures 3 to 5, lower wall magnetism servo-electric motor water-cooling includes centre revolving joint, and centre revolving joint includes cooperating Pivoted loop 40 and retainer ring 50, pivoted loop 40 be mounted on the lower section of pallet 37, pallet 37 followed to rotate, retainer ring 50 is fixed on peace On the bracket 109 for filling 1 top of seat.

Twice annular groove is arranged at the top of retainer ring 50, and one is into water annular groove 51, and another is return water annular groove 52.Pivoted loop 40 Bottom there are two apopore 41 and two backwater holes 42, two apopores 41 with water inlet annular groove 51 diametrically, two return water Hole 42 and return water annular groove 52 are diametrically.The water inlet annular groove 51 of retainer ring 50 is connected with two water inlets 53 of retainer ring 50；It returns Water ring slot 52 is connected with two water return outlets 54.Two apopores 41 of 40 bottom of pivoted loop and two water outlets at 40 top of pivoted loop Mouth 43 connects, and two backwater holes 42 of 40 bottom of pivoted loop connect respectively with two water return outlets 44 at the top of pivoted loop 40.

The top surface of retainer ring 50 has polytetrafluoroethylene ethylene layer 55, and there is polytetrafluoroethylene ethylene layer 45 in the bottom surface of pivoted loop 40.

Two water inlets 1302 of 13 bottom of aqueous cold plate pass through two water outlets at 40 top of hose 46 and pivoted loop respectively 43 connections, two water outlets 1303 of 13 bottom of aqueous cold plate pass through two water return outlets 44 at 40 top of hose 47 and pivoted loop respectively Connection.

Mounting base 1 includes two axial inlet channels 102 and two axial return water roads 105, and axial inlet channel 102 includes top The mouth of a river 103 and two lower parts mouth of a river 104, the top mouth of a river 103 of axial inlet channel 102 are located at the top of mounting base 1, pass through hose 56 connect with the water inlet 53 of retainer ring 50.Axial return water road 105 includes the top mouth of a river 106 and two lower parts mouth of a river 107, axial The top mouth of a river 106 in return water road 105 is located at the top of mounting base 1, is connected by hose 57 with the water return outlet 54 of retainer ring 50.

The lower part mouth of a river 104 of axial inlet channel 102 lower wall magnetism servo-electric motor water-cooling is intake, the lower part mouth of a river in axial return water road 105 107 use lower wall magnetism servo-electric motor water-cooling return water.

As shown in Figure 6 and Figure 7, centre revolving joint includes the pressing device of pivoted loop, and pressing device includes 3 guiding 61,6, the bar pressure regulating screw 63 of compression spring 62,6 and 6 pressure regulation pads 64.

Pallet 37 has the spring base hole 3701 and 3 pilot holes 3702 of 6 downwardly facing openings.Spring base hole 3701 and pilot hole 3702 are evenly distributed with respectively along the circumferential direction of pallet 37, and compression spring 62 and pressure regulation pad 64 are mounted in spring base hole 3701, the bottom surface of compression spring 62 Prop up the top surface of pivoted loop 40.The bar portion of guide rod 61 is inserted in pilot hole 3702, is slidably matched with pilot hole 3702, guide rod The screw thread of 61 lower ends is spun in the threaded hole of 40 top surface of pivoted loop.

Pressure regulation pad 64 is arranged between 3701 bottom surface of 62 top surface of compression spring and spring base hole, and 3701 bottom of spring base hole includes spiral shell Line through hole, 63 ecto-entad of pressure regulating screw screw in tapped through hole, and the front end of pressure regulating screw 63 is withstood on pressure regulation pad 64.

Ring gear elevating mechanism and driving mechanism include edge cam 6, lifting set 30, cam drive mechanism, gear ring support 34th, bearing holder (housing, cover) 38 and ring gear drive gear 32.Gear ring driving gear 91 mounted on 88 top of distributing shaft drives with ring gear Gear 32 engages, and gear ring support 34 is driven to be rotated together with ring gear 11.

6 pine of edge cam of annular is sleeved on the lower part of mounting base 1, bottom surface by mounting base 1 base support.

Lifting 30 pines of set are sleeved on the middle part of mounting base 1, and ring gear 11 is fixed on gear ring support 34, and gear ring support 34 passes through Bearing holder (housing, cover) 38 is mounted on lifting set 30.

Bearing holder (housing, cover) 38 is mounted on the top of lifting set 30 by two bearings 33, and gear ring support 34 is fixed on bearing holder (housing, cover) 38 Top, ring gear drive gear 32 are fixed on the lower part of bearing holder (housing, cover) 38.

Lifting set 30 includes sleeve 31 and two sets of followers 39 being symmetrically installed, 31 pine of sleeve are sleeved in mounting base 1 Portion, positioned at the top of edge cam 6.Sleeve 31 is driven by the working face at 6 top of edge cam, the work bread of edge cam 6 Include two centrosymmetric type faces.

Follower 39 includes axis pin 3901 and needle bearing（Idler wheel）3902, the inner end of axis pin 3901 is packed in sleeve 31 Lower part.Needle bearing 3902 is mounted on the outside of axis pin 3901, by the type surface bearing of edge cam 6.

Cam drive mechanism includes lifting cylinder 71, push-pull rod 72, drive pin 73, crank 74 and stop screw 75, is promoted The cylinder body of cylinder 71 is horizontally fixed on engine base 19, and the rear end of push-pull rod 72 is fixed on the piston rod of lifting cylinder 71.

Vertically there are one prolate through hole 7401, the inner end of crank 74 is fixed on edge cam 6 crank 74.

The slot 7201 for prolate that there are one the foreparts of push-pull rod 72, crank 74 pass through the slot 7201 of 72 forepart of push-pull rod. Drive pin 73 is fixed on the forepart of push-pull rod 72, through the oblong aperture of crank 74.

Stop screw 75 is mounted in rack, positioned at the front of push-pull rod 72.The idler wheel is.

Cam drive mechanism Driving plane cam 6 rotates, and when cam 6 rotates, the working face of cam 6 drives lifting set 30, Lifting set 30 drives ring gear 11 to move up and down by bearing holder (housing, cover) and gear ring support 34.

The utility model above example is moved up and down by actuated by cams ring gear, and ring gear can promptly land, Concede space, convenient in operative employee on lower abrasive disk workpiece loading and unloading；Operative employee is on lower abrasive disk after workpiece loading and unloading, ring gear Can promptly return, save man-hour.

Claims (5)

1. a kind of lower disc of planetary gear type double-faced grinding/polishing machine, including rack, sun gear, ring gear, lower grinding Disk, lower abrasive disk driving mechanism and ring gear elevating mechanism；Rack includes engine base and the mounting base being fixed on engine base, feature It is, ring gear elevating mechanism includes edge cam, lifting set, cam drive mechanism and gear ring support；Edge cam pine is sleeved on The lower part of mounting base, bottom surface by mounting base base support；Lifting set pine is sleeved on the middle part of mounting base, and ring gear is fixed on gear ring On stent, gear ring support is mounted on lifting and puts on；Cam drive mechanism is mounted in rack, Driving plane cam rotation, lifting Set is driven by the working face at the top of edge cam.

2. the lower disc of planetary gear type double-faced grinding/polishing machine according to claim 1, which is characterized in that end face The working face of cam includes two centrosymmetric type faces, and lifting set includes sleeve and two sets of followers being symmetrically installed, with Motivation structure includes axis pin and idler wheel, and the inner end of axis pin is packed in the lower part of sleeve, and idler wheel is mounted on the outside of axis pin, and idler wheel is by holding The type surface bearing of face cam；Cam drive mechanism includes lifting cylinder, push-pull rod, drive pin and crank, the cylinder body of lifting cylinder It is horizontally fixed in rack, the rear end of push-pull rod is fixed on the piston rod of lifting cylinder；Crank includes oblong aperture vertically, The inner end of crank is fixed on edge cam；Drive pin is fixed on the forepart of push-pull rod, through the oblong aperture of crank.

3. the lower disc of planetary gear type double-faced grinding/polishing machine according to claim 2, which is characterized in that cam Driving mechanism includes stop screw, and the forepart of push-pull rod includes the slot of prolate, and crank passes through the slot of push-pull rod forepart；/V Screw is mounted in rack, positioned at the front of push-pull rod；The idler wheel is needle bearing.

4. the lower disc of planetary gear type double-faced grinding/polishing machine according to claim 1, which is characterized in that including Ring gear driving mechanism, ring gear driving mechanism includes bearing holder (housing, cover) and ring gear drive gear, bearing holder (housing, cover) are mounted on by bearing The top of set is lifted, gear ring support is fixed on the top of bearing holder (housing, cover), and ring gear drive gear is fixed on the lower part of bearing holder (housing, cover).

5. the lower disc of planetary gear type double-faced grinding/polishing machine according to claim 4, which is characterized in that under grind Mill driving mechanism includes pallet, lower grinding disk drive shaft, lower abrasive disk drive gear and driving device；Lower grinding disk drive shaft Through the endoporus of mounting base, supported by the bearing in mounting base；Lower abrasive disk is fixed on pallet, and pallet is fixed on lower abrasive disk The upper end of drive shaft, lower abrasive disk drive gear are mounted on the lower end of lower grinding disk drive shaft；Driving device includes main motor, master Speed reducer, main gear reducer gear, distributing shaft and the input gear being fixed on distributing shaft, main gear reducer gear are nibbled with input gear It closes, drives distributing shaft rotation；Mill driving wheel in the middle part of distributing shaft is engaged with lower abrasive disk drive gear, is ground under drive Mill drive shaft turns；Gear ring driving gear mounted on distributing shaft top is engaged with ring gear drive gear, drives gear ring branch Frame rotates together with ring gear.