CN107745330A - A kind of end-face grinder - Google Patents

Abstract

The present invention relates to a kind of end-face grinder, including at least one clamp assembly, part to be ground on clamp assembly, the grinding rod treated flour milling correspondence position and set of part to be ground, the abradant surface of grinding rod treats that flour milling contacts with part to be ground, the rod body of grinding rod, which is arranged at, to be embraced in set, coordinate between grinding rod and armful set for gap, embrace set and be connected with drive device, the clamp assembly includes support, fixing axle is provided with support, fixing axle is provided with gear, gear can rotate around fixing axle, support is provided with two parallel racks, rack is slidably connected by two closed slides set on support, gear is between two toothed racks and matched, rack end and the clamping end contact of part to be ground；By finely tuning grinding rod position, make the end contact for treating flour milling and grinding rod of part to be ground good, so as to improve the grinding precision of part to be ground.

Description

A kind of end-face grinder

Technical field

The present invention relates to field of machining, more particularly to a kind of end-face grinder.

Background technology

Existing plane lapping, for treating that grinder part is the letter such as the magnechuck using Grinder bench, installation steel, cast iron mostly Single smooth workpiece is clamped fixation to it, for the workpiece of nonmagnetic substance, commonly uses precision machine tool parallel jaw, V-type After the special fixture clamping such as frame, square chest, then on magnechuck.For larger workpiece, the fastening such as bolt, pressing plate can be used The direct clamping of part is on the workbench with T-slot.

But for the grinding of fixing end, it is desirable to which when grinding, the abradant surface of part to be ground is bonded with the face machined flat of grinding rod Degree is fine, e.g., outside measuring jaw inner face, the gage button of outside micrometer and the end face of micrometric screw of slide measure.At this moment use Existing clamping device can not clamp workpiece to be ground well, if ground after part to be ground is dismantled, it is impossible to ensure grinding Positioning is consistent with assembling positioning, and installation can also have rigging error, it is impossible to ensures good compactness after part installation to be ground Requirement, the part to be ground after clamping, its abradant surface do not have good flatness, the depth of parallelism and surface roughness, causes to grind chi Very little deviation is big, the low phenomenon of grinding precision.

The content of the invention

It is an object of the invention to provide a kind of lapping device that can be treated mill part fixing end and be ground.

To realize object above, the technical solution adopted by the present invention is：A kind of end-face grinder, including at least one folder Tight component, the part to be ground on clamp assembly, the grinding rod treated flour milling correspondence position and set of part to be ground, the grinding rod Face machined flat and part to be ground treat that flour milling contacts, the rod body of the grinding rod, which is arranged at, to be embraced in set, the grinding rod is with embracing set Between coordinate for gap, described armful of set be connected with drive device.

For the clamp assembly including being provided with fixing axle on support, the support, fixing axle is provided with gear, the gear It can be rotated around fixing axle, the support is provided with two parallel racks, and the rack is parallel by two set on support Guide rail is slidably connected, and the gear is between two toothed rack and matched, the rack end and the folder of part to be ground Tight end contact.

The clamp assembly can also be：Including fixing end, a bulb is set in the fixing end, it is affixed on the bulb There is compression pawl, the clamping end face for compressing pawl and pointing to part to be ground, the compression pawl can be around the bulb centre of sphere with the bulb Universal rotary, it is described to compress pawl end and the clamping end contact of part to be ground.

The clamp assembly is two, and the clamp assembly can be according to the corresponding folder of clamping end face situation selection of part to be ground Tight component.

The compression pawl is at least one.

The compression pawl is three.

The face machined flat of grinding rod two is parallel.

Described armful of set is self-aligning bearing.

Described armful of set is self-aligning ball bearing.

Described armful of set is self-aligning roller bearing.

When lapping device works, when clamp assembly is clamped when part is ground, the end face for treating flour milling and grinding rod of part to be ground connects Touch, due to grinding rod and embrace set between using gap coordinate, it is possible to finely tune grinding rod position, make part grind treat flour milling and The end contact of grinding rod is good, so as to improve the grinding precision of part to be ground.Described armful of set is self-aligning bearing, preferably embraces set to adjust Heart ball bearing or self-aligning roller bearing, when finely tuning grinding rod position, grinding rod can be increased and embrace the contact area between set, when When set is embraced in drive device driving, embrace set and drive grinding rod, self-aligning bearing can improve the uniform force embraced between set and grinding rod Degree, make grinding effect more preferable.

The clamp assembly coordinated using rack-and-pinion, when clamp assembly works, clamping force promotes support, and support is by leading Rail band carry-over bar is moved, and when a toothed rack is first contacted when flour milling, the rack first contacted is moved by force edge rail, and band moving gear revolves Turn, gear, which rotates, drives another toothed rack reverse movement, and until two toothed racks are contacted when part clamping end face is ground simultaneously, gear stops Rotation stop is moved, and clamps part to be ground, and the clamp assembly is especially suitable for solving the non-planar end faces work that part clamping end face to be ground is step surface Part.

Clamp assembly can also compress pawl structure by using bulb, and when clamp assembly works, thrust, which promotes, fixes End, fixing end, which promotes, compresses pawl, and when compression pawl and after mill part contacts, under the reaction force of part to be ground, power is by compressing pawl Bulb is passed to, ball joint-rotating, compresses part to be ground, when described compression pawl is three-jaw, stability is more preferable, and the clamp assembly can be with Solves the non-planar end faces workpiece that part to be ground clamps end face out-of-flatness；The clamp assembly at the grinding rod both ends, can be according to treating The situation for grinding the clamping end face of part selects corresponding clamp assembly.

Brief description of the drawings

Fig. 1 is the structure chart of the present invention；

Fig. 2 is a kind of structure chart for the clamp assembly that the present invention is coordinated using rack-and-pinion；

Fig. 3 is another structure chart for the clamp assembly that the present invention compresses pawl structure using bulb.

Embodiment

With reference to Fig. 1 to Fig. 3, the present invention is described in further detail.

A kind of end-face grinder, including at least one clamp assembly 10, the part to be ground 30 on clamp assembly 10, The grinding rod 40 treated flour milling correspondence position and set of part 30 to be ground, the abradant surface of grinding rod 40 treat that flour milling connects with part 30 to be ground Touch, the rod body of grinding rod 40, which is arranged at, to be embraced in set 20, and grinding rod 40 and embracing coordinates for gap between set 20, embraces set 20 and is connected with drive Dynamic device, grinding rod 40 can require the grinding rod 40 of selection suitable dimension according to the situation of part 30 to be ground, what the present embodiment was selected Grinding rod 40 is the parallel pole of both ends of the surface, and its both ends depth of parallelism is 0.005-0.01, flatness is 0.005-0.01 and coarse Spend for 0.4 μm.The end-face grinder is embraced in set 20 in use, first grinding rod 40 is put into, and part 30 to be ground is placed in into grinding rod 40 both ends abradant surface, part 30 to be ground is clamped using clamp assembly 10, when clamp assembly 10 is clamped when part 30 is ground, part 30 to be ground Treat that flour milling contacts with the both ends abradant surface of grinding rod 40, due to grinding rod 40 and embrace set 20 between for gap coordinate, so grinding The position of frotton 40 can be finely adjusted, and because the depth of parallelism, flatness and the precision of the both ends abradant surface of grinding rod 40 are very high, it is micro- Adjusting can make the both ends abradant surface contact for treating flour milling and grinding rod 40 of part 30 to be ground good, so that part to be ground 30 treats flour milling Grinding precision can be close to the precision of the both ends abradant surface of grinding rod 40, described armful of set is self-aligning bearing, preferably embrace set for adjust It is more preferable that effect is finely tuned when heart ball bearing or self-aligning roller bearing.After the good end-face grinder of mounting and adjusting, start drive device, end Face lapping device starts to grind, and when end-face grinder works, drive device drives an armful set 20 to move in a circle or move up and down, The motion of set 20 is embraced, drives grinding rod 40 to move in a circle or move up and down, the both ends abradant surface of grinding rod 40 of motion is with installing Part to be ground 30 treat flour milling contact, do grinding motion.

Including being provided with fixing axle 12 on support 11, support 11, fixing axle 12 is provided with the described structure of clamp assembly 10 Gear 13, gear 13 can rotate around fixing axle 12, and support 11 is provided with two parallel racks 14, and rack 14 passes through on support 11 Two closed slides set are slidably connected, and gear 13 is between two toothed rack 14 and matched.Clamp assembly 10 During work, clamping force promotes support 11, and support 11 is moved by guide rail band carry-over bar 14, and flour milling is treated when a toothed rack 14 first contacts When, the rack 14 of first stress is moved by force edge rail, and band moving gear 13 rotates, and the rotation of gear 13 drives another toothed rack 14 reverse Mobile, until two toothed racks 14 are contacted when the clamping end face of part 30 is ground simultaneously, gear 13 stops operating, and clamps part 30 to be ground, should Clamp assembly 10 is especially suitable for solving the non-planar end faces workpiece that the clamping of part 30 end face to be ground is step surface.

The structure of clamp assembly 10 can also be：Including fixing end 15, a bulb 16, bulb 16 are set in fixing end 15 On be connected with and compress pawl 17, compress pawl 17 and point to the clamping end face of part 30 grind, compress pawl 17 and bulb 16 can be around bulb 16 Centre of sphere Universal rotary, compress the end of pawl 17 and the clamping end contact of part 30 to be ground.When clamp assembly 10 works, compression is pushed Dynamic fixing end 15, fixing end 15, which promotes, compresses pawl 17, when compress pawl 17 with after mill part 30 contacts, in the reaction force of part to be ground Under, thrust passes to bulb 16 by compressing pawl 17, and bulb 16 rotates, and compresses part 30 to be ground, when it is three-jaw to compress pawl 17, Stability is more preferable, and the clamp assembly 10 can solve the non-planar end faces workpiece that part 30 to be ground clamps end face out-of-flatness.

The clamp assembly 10 is two, can make the both ends stress balance of grinding rod 40, both ends simultaneous grinding, improve grinding Efficiency, the situation that clamp assembly 10 can clamp end face according to part 30 to be ground select corresponding clamp assembly 10.

Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.

Claims (9)

1. A kind of 1. end-face grinder, it is characterised in that：Including at least one clamp assembly（10）, installed in clamp assembly（10） On part to be ground（30）, part to be ground（30）Treat flour milling correspondence position set grinding rod（40）, the grinding rod（40）Grind Face grinding and part to be ground（30）Treat flour milling contact, the grinding rod（40）Rod body be arranged at embrace set（20）It is interior, the grinding Rod（40）With embracing set（20）Between for gap coordinate, described armful set（20）It is connected with drive device.
2. A kind of 2. end-face grinder as claimed in claim 1, it is characterised in that：The clamp assembly（10）Including support （11）, the support（11）On be provided with fixing axle（12）, fixing axle（12）It is provided with gear（13）, the gear（13）Can be around Fixing axle（12）Rotation, the support（11）It is provided with two parallel racks（14）, the rack（14）Pass through support（11） Two closed slides of upper setting are slidably connected, the gear（13）Positioned at two toothed rack（14）Between and it is matched.
3. A kind of 3. end-face grinder as claimed in claim 1, it is characterised in that：The clamp assembly（10）Including fixing end （15）, the fixing end（15）One bulb of interior setting（16）, the bulb（16）On be connected with compression pawl（17）, the compression pawl （17）Point to part to be ground（30）Clamping end face, the compression pawl（17）With the bulb（16）Can be around the bulb（16）The centre of sphere Universal rotary, the compression pawl（17）End and part to be ground（30）Clamping end contact.
4. A kind of 4. end-face grinder as claimed in claim 1, it is characterised in that：The clamp assembly（10）For two, institute State clamp assembly（10）Can be according to part to be ground（30）Clamping end face situation select corresponding clamp assembly（10）.
5. A kind of 5. end-face grinder as claimed in claim 3, it is characterised in that：The compression pawl（17）It is at least one.
6. A kind of 6. end-face grinder as claimed in claim 5, it is characterised in that：The compression pawl（17）For three.
7. A kind of 7. end-face grinder as claimed in claim 1, it is characterised in that：The grinding rod（40）Two face machined flats are put down OK.
8. A kind of 8. end-face grinder as claimed in claim 1, it is characterised in that：Described armful of set（20）For self-aligning bearing.
9. A kind of 9. end-face grinder as claimed in claim 8, it is characterised in that：Described armful of set（20）For self-aligning ball bearing or Self-aligning roller bearing.