CN208811764U - A kind of ultraprecise ball molding machine - Google Patents
A kind of ultraprecise ball molding machine Download PDFInfo
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- CN208811764U CN208811764U CN201820906839.5U CN201820906839U CN208811764U CN 208811764 U CN208811764 U CN 208811764U CN 201820906839 U CN201820906839 U CN 201820906839U CN 208811764 U CN208811764 U CN 208811764U
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- die
- aligning bar
- main mill
- pressing cap
- molding machine
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Abstract
The utility model provides a kind of ultraprecise ball molding machine and its processing technology, including driving mechanism, main mill, driving shaft, Die for pressing cap and aligning bar；The driving mechanism and the active axis connection, having cross section at the top of the main mill is the annular groove of rectangle, the driving shaft is connect with the main mill, and driving shaft is located at the center of annular groove, the Die for pressing cap is connected to the top of the main mill by aligning bar, the aligning bar is fixedly connected with the Die for pressing cap, and aligning bar can be relatively rotated with the main mill, and the Die for pressing cap is equipped with liquid injection hole.Cross section is used to process bead for the annular groove of rectangle, one side bead rotation is more flexible, and the bead proper sphere degree after processing greatly improves, and need to only process main mill when on the other hand processing grinding tool, considerably reduce grinding tool manufacturing cost.
Description
Technical field
The utility model relates to a kind of ball processing machine more particularly to a kind of ultraprecise ball molding machines.
Background technique
Miniature bead is a kind of high-precision sphere, it is the critical elements in roundness measuring equipment, gyro, bearing and accurate measurement,
And frequently as the benchmark of accurate measurement, there is highly important status in precision equipment and Precision Machining.
Traditional ball processing machine is mainly ground using the structure that main mill and upper millstone as shown in Figure 1 are equipped with V-groove
Grinder part, and the rotary shaft of main mill and upper millstone is conllinear.This structure has the shortcomings that several respects:
(1) difficulty of processing of V-groove is higher, very high to the requirement on machining accuracy of grinding tool, it is desirable that upper and lower V-groove complete one
It causes, cost of manufacture improves.
(2) V-groove abrasion deformation speed is fast, and grinding tool replacement frequency is excessively high, once V-groove is worn, workpiece is in V-groove
Interior rotation becomes more difficult, and the club completed the process becomes ellipse.
(3) using the conllinear structure of the rotary shaft of main mill and upper millstone need additional structure and power make main mill and
Upper millstone angular speed is inconsistent, can just make workpiece rotation in V-groove in this way, and entire machine construction is more complicated.
Utility model content
Technical problem to be solved by the utility model is: multiple in order to solve ultraprecise ball shaping machine structure in the prior art
Miscellaneous, manufacture and the higher problem of maintenance cost, the utility model provide a kind of ultraprecise ball molding machine to solve above-mentioned ask
Topic.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of ultraprecise ball molding machine, including
Driving mechanism, main mill, driving shaft, Die for pressing cap and aligning bar；The driving mechanism and the active axis connection, the main mill
It is the annular groove of rectangle that top, which has cross section, and the driving shaft is connect with the main mill, and driving shaft is located at annular groove
Center, the Die for pressing cap are connected to the top of the main mill, the aligning bar and the fixed company of the Die for pressing cap by aligning bar
It connects, aligning bar can be relatively rotated with the main mill, and the Die for pressing cap is equipped with liquid injection hole.
Further, the axis of the aligning bar is parallel with the axis of the driving shaft and not conllinear, outside the annular groove
There is horizontal clearance b, between the axis of the aligning bar and the axis of the driving shaft between edge and the upper millstone outer rim
Distance a is less than the half of the horizontal clearance b.
Further, the aligning bar is threadedly coupled with the Die for pressing cap, is equipped at the top of the main mill and is adapted for insertion into institute
The eccentric orfice of aligning bar is stated, is equipped with bearing in the eccentric orfice, the aligning bar is placed in the eccentric orfice.
Preferably, the height of the annular groove and bead diameter ratio to be processed are 0.5-0.8.
Further, Gravity Mode is additionally provided with above the Die for pressing cap, the Gravity Mode is connected by connecting rod and the Die for pressing cap
It connects.
Further, the connecting rod is divided into upper boom and lower beam, is fixedly connected at the top of the upper boom with Gravity Mode, the lower beam
Bottom is fixedly connected with Die for pressing cap, and the upper boom bottom is connect with lower beam screw top.
Preferably, the driving shaft is located at the main mill center, and the connecting rod and the aligning bar are coaxially disposed.
Preferably, the main mill is made of Nodular cast iron material.
Preferably, the Die for pressing cap and Gravity Mode coaxial arrangement.
The utility model also provides a kind of miniature bead processing technology, comprises the following steps:
(1) the suitably main mill of the selection of bead size as needed and Die for pressing cap, selection principle are needed bead
Diameter is slightly less than the width of annular groove, and " being slightly less than " refers to that bead can be placed in annular groove, and bead energy when processing machine work
Rotation+movement between enough lateral walls in a ring groove, for grinding bead, the distance between annular groove bottom to the Die for pressing cap etc.
In the diameter of the bead of needs；Under the rubbing action of upper millstone and main mill, bead to be processed is made random in annular groove
Movement, can be realized the better proper sphere degree of bead to be processed；The width of specific annular groove is 0.1 ~ 10mm bigger than bead diameter；
(2) original workpiece is cut into the small workpiece with the bead adjoining dimensions needed, by multiple small workpieces to be processed
It is put into annular groove simultaneously, then Die for pressing cap is placed in above main mill；
(3) Gravity Mode is selected, and Gravity Mode and main mill are fixed；
(4) lapping liquid is injected on main mill, lapping liquid is made to be covered on main disc surface, started driving mechanism, ground
Mill.
Ultraprecise ball molding machine provided by the utility model can process various materials of the diameter between 0.4 ~ 15mm
Bead.
The beneficial effects of the utility model are:
(1) the utility model uses cross section to process bead for the annular groove of rectangle, and one side bead rotation is more flexible, adds
Bead proper sphere degree after work greatly improves, and need to only process main mill when on the other hand processing grinding tool, considerably reduce mill
Has manufacturing cost.In addition, between aligning bar described in the utility model and the main mill can relative motion, the upper millstone
It is fixed with the aligning bar, therefore there are speed differences between the upper millstone and the main mill, to make bead by main mill
The rubbing action of disk and upper millstone, bead rotation in the annular groove of rectangle, grinding is more evenly.
(2) the utility model keeps the spin velocity of the bead driven by upper millstone continuous by the eccentric design of aligning bar
Variation, while rubbing action of the bead by main mill and upper millstone, so that the contact surface of bead and main mill and upper millstone is not
It is simple annulus, but gradually spread out, guarantee the proper sphere degree of finished product.Entire machine only needs a driving shaft, without extra
Transmission mechanism, structure is simple, and machine service life increases substantially.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of ball processing machine in the prior art；
Fig. 2 is the structural schematic diagram of the optimum embodiment of ultraprecise ball molding machine described in the utility model；
Fig. 3 is the structural schematic diagram of the ultraprecise ball molding machine in Fig. 2 after 180 ° of aligning bar revolution；
Fig. 4 is the structural representation of the optimum embodiment of the main mill of ultraprecise ball molding machine described in the utility model
Figure.
In figure, 1, bead, 2, driving mechanism, 3, main mill, 4, driving shaft, 5, Die for pressing cap, 6, aligning bar, 7, annular groove,
8, liquid injection hole, 9, eccentric orfice, 10, bearing, 11, connecting rod, 11-1, upper boom, 11-2, lower beam, 12, Gravity Mode, 13, V-groove.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the common of this field
For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As in Figure 2-4, the utility model provides a kind of ultraprecise ball molding machine, including driving mechanism 2, main mill
3, driving shaft 4, Die for pressing cap 5 and aligning bar 6；Driving mechanism 2 is connect with driving shaft 4, and driving mechanism 2 drives driving shaft 4 to rotate, main
Having cross section at the top of mill 3 is the annular groove 7 of rectangle, and for placing bead 1 to be processed, driving shaft 4 and main mill 3 connect
It connects, and driving shaft 4 is located at the center of annular groove 7, driving shaft 4 drives main mill 3 to rotate, and Die for pressing cap 5 is connected to by aligning bar 6
The top of main mill 3, aligning bar 6 are fixedly connected with Die for pressing cap 5, are used to support Die for pressing cap 5, and aligning bar 6 can be with main 3 phase of mill
To rotation, Die for pressing cap 5 is equipped with liquid injection hole 8.
Driving mechanism 2 is motor, and driving shaft 4 drives main mill 3 to rotate, since aligning bar 6 opposite with main mill 3 can turn
Dynamic, when the rotation of main mill 3, Die for pressing cap 5 will not be with main 3 constant speed rotation of mill, and making 1 upper and lower surface of bead, there are speed difference, bands
Dynamic 1 rotation of bead, simultaneously because having used the biggish rectangular loop slot 7 in space, when main mill 3 rotates, 1 rotation of bead is more certainly
By grinding more uniform.
6 eccentric setting of aligning bar, the i.e. axis of aligning bar 6 are parallel with the axis of driving shaft 4 and not conllinear, outside annular groove 7
There is horizontal clearance, axis and the distance between the axis of driving shaft 4 a of aligning bar 6 are less than water between edge and upper millstone outer rim
The half of flat gap b, when aligning bar 6 moves to the position Fig. 3 by the position Fig. 2, the mobile distance of aligning bar 6 is 2a, at this time on
There are the deviations of 2a between the abradant surface and annular groove 7 of mill, and when horizontal clearance b is greater than 2a, bead 1 can still be located at grinding
Between face and annular groove 7.Using the aligning bar 6 of eccentric setting can make in 1 process of revolution of bead with the contact surface of upper millstone
Angular speed constantly changes, to guarantee that the rubbing surface of bead 1 and main mill 3 and upper millstone will not be mentioned close to anchor ring
High lapping uniformity.One preferred embodiment of the utility model, main mill 3 is identical as 5 diameter of Die for pressing cap, when initial, main mill
Disk 3 and Die for pressing cap 5 are coaxial, and 7 outer edge of annular groove and the outer peripheral horizontal clearance b of Die for pressing cap 5 are 3mm, the axis of aligning bar 6 with
The distance between the axis of driving shaft 4 a is 1mm, when 180 ° of the revolution of aligning bar 6,7 outside of 5 outer edge of Die for pressing cap and annular groove
Minimum level gap between edge becomes 1mm, and bead 1 is still between Die for pressing cap 5 and annular groove 7.
Aligning bar 6 and Die for pressing cap 5 can use dismountable threaded form, can also use non-removable welding
Form is equipped with bearing 10 in the eccentric orfice 9, the aligning bar 6 is placed in as shown in figure 4, being equipped with eccentric orfice 9 at the top of main mill 3
In the eccentric orfice 9, keep aligning bar 6 and the relative motion of main mill 3 more flexible by the way that bearing 10 is arranged, and eccentric orfice 9 is straight
Diameter can be close with the diameter of aligning bar 6, prevents aligning bar 6 crooked.
The ratio between the distance between height of annular groove 7 and 7 bottom of annular groove to Die for pressing cap 5 are 0.5-0.8, prevent bead 1
It is detached from annular groove 7, while 7 side of annular groove can grind bead 1.
As shown in Figure 2 and Figure 3, it is additionally provided with Gravity Mode 12 above Die for pressing cap 5, increases the active force to 1 upper surface of bead, mentions
High grinding rate, Gravity Mode 12 are connect by connecting rod 11 with Die for pressing cap 5.Connecting rod 11 can be split type structure, select as needed
The Gravity Mode 12 for whether increasing Gravity Mode 12 or selecting approrpiate wts is selected, specifically, connecting rod 11 divides for upper boom 11-1 and lower beam
It is fixedly connected at the top of 11-2, upper boom 11-1 with Gravity Mode 12, the bottom lower beam 11-2 is fixedly connected with Die for pressing cap 5, the bottom upper boom 11-1
Portion is connect with lower beam 11-2 screw top.
To reduce energy loss, driving shaft 4 is set to main 3 center of mill, and connecting rod 11 and aligning bar 6 are coaxially disposed, and is simultaneously
Guarantee that structure is beautiful, Die for pressing cap 5 and Gravity Mode 12 are also coaxially disposed.
Preferably cylinder iron material is made main mill 3 in the utility model, since main mill 3 is groundwork mill, by
The abrasion of bead 1 and the corrosion most serious of lapping liquid, it is preferable using cast iron quality corrosion resistance and wear-resisting property.
The miniature bead processing technology of the utility model includes following procedure of processing:
(1) the suitably main mill 3 of the selection of 1 size of bead as needed and Die for pressing cap 5, selection principle is needed glass
1 diameter of pearl is slightly less than the width of annular groove 7, and the distance between 7 bottom of annular groove to the Die for pressing cap 5 is equal to the bead 1 needed
Diameter, in a preferred embodiment of the utility model, 1 diameter of bead that needs is 5mm, and the width of annular groove 7 is
8mm, the height of annular groove 7 are 3mm；
(2) original workpiece is cut into the small workpiece with 1 adjoining dimensions of bead needed, by multiple small workpieces to be processed
It is put into annular groove 7 simultaneously, then Die for pressing cap 5 is placed in main 3 top of mill；
(3) Gravity Mode 12 is selected, and Gravity Mode 12 and main mill 3 is fixed；
(4) lapping liquid is injected on main mill 3, lapping liquid is made to be covered on main 3 surface of mill, start driving mechanism 2, carried out
Grinding.
In the description of this specification, the description of reference term " specific embodiment ", " still another embodiment " etc.
Mean at least one reality for combining the embodiment particular features, structures, materials, or characteristics described to be contained in the utility model
It applies in example.In the present specification, identical embodiment is not necessarily referring to the schematic representation of the term.Moreover, description
Particular features, structures, materials, or characteristics can be combined in any suitable manner in any one or more embodiments.
The utility model device substantially increases processing efficiency, and the revolving speed of main mill is increased to from 50 ~ 60 revs/min before
300 ~ 400 revs/min, refining efficiency can reach 4 ~ 5 micro- ms/min, the proper sphere degree precision of the bead processed is very high, can be with
Meet the application field of the high-precision requirements such as communication, military project, aerospace, working efficiency and product quality have a qualitative leap.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (9)
1. a kind of ultraprecise ball molding machine, it is characterised in that: including driving mechanism (2), main mill (3), driving shaft (4), pressure
Cover mold (5) and aligning bar (6)；The driving mechanism (2) connect with the driving shaft (4), has cross at the top of the main mill (3)
Section is the annular groove (7) of rectangle, and the driving shaft (4) connect with the main mill (3), and driving shaft (4) is located at annular groove
(7) center, the Die for pressing cap (5) are connected to the top of the main mill (3) by aligning bar (6), the aligning bar (6) with
The Die for pressing cap (5) is fixedly connected, and aligning bar (6) can be relatively rotated with the main mill (3), sets on the Die for pressing cap (5)
There are liquid injection hole (8).
2. ultraprecise ball molding machine according to claim 1, it is characterised in that: the axis of the aligning bar (6) and institute
The axis for stating driving shaft (4) is parallel and not conllinear, between level between annular groove (7) outer rim and the Die for pressing cap outer rim
Gap b, axis and the distance between the axis of the driving shaft (4) a of the aligning bar (6) are less than the one of the horizontal clearance b
Half.
3. ultraprecise ball molding machine according to claim 2, it is characterised in that: the aligning bar (6) and the gland
Mould (5) is threadedly coupled, and is equipped with the eccentric orfice (9) for being adapted for insertion into the aligning bar (6), the bias at the top of the main mill (3)
Bearing (10) are equipped in hole (9), the aligning bar (6) is placed in the eccentric orfice (9).
4. ultraprecise ball molding machine according to claim 1, it is characterised in that: the height of the annular groove (7) with to
Processing bead diameter ratio is 0.5-0.8.
5. ultraprecise ball molding machine according to claim 1, it is characterised in that: be additionally provided with above the Die for pressing cap (5)
Gravity Mode (12), the Gravity Mode (12) are connect by connecting rod (11) with the Die for pressing cap (5).
6. ultraprecise ball molding machine according to claim 5, it is characterised in that: the connecting rod (11) is divided into upper boom (11-
1) it is fixedly connected with lower beam (11-2), upper boom (11-1) top with Gravity Mode (12), the lower beam bottom (11-2) and pressure
Cover mold (5) is fixedly connected, and the upper boom bottom (11-1) is connect with lower beam (11-2) screw top.
7. ultraprecise ball molding machine according to claim 5, it is characterised in that: the driving shaft (4) is located at the master
Mill (3) center, the connecting rod (11) and the aligning bar (6) are coaxially disposed.
8. ultraprecise ball molding machine according to claim 1, it is characterised in that: the main mill (3) is by spheroidal graphite cast-iron
Material is made.
9. ultraprecise ball molding machine according to claim 5, it is characterised in that: the Die for pressing cap (5) and Gravity Mode
(12) it is coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820906839.5U CN208811764U (en) | 2018-06-12 | 2018-06-12 | A kind of ultraprecise ball molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820906839.5U CN208811764U (en) | 2018-06-12 | 2018-06-12 | A kind of ultraprecise ball molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN208811764U true CN208811764U (en) | 2019-05-03 |
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ID=66269633
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| CN201820906839.5U Active CN208811764U (en) | 2018-06-12 | 2018-06-12 | A kind of ultraprecise ball molding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481124A (en) * | 2018-06-12 | 2018-09-04 | 常州市润昌光电科技有限公司 | A kind of ultraprecise ball molding machine |
-
2018
- 2018-06-12 CN CN201820906839.5U patent/CN208811764U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108481124A (en) * | 2018-06-12 | 2018-09-04 | 常州市润昌光电科技有限公司 | A kind of ultraprecise ball molding machine |
| CN108481124B (en) * | 2018-06-12 | 2023-12-26 | 常州市润昌光电科技有限公司 | Ultra-precise ball forming machine |
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