CN204108864U - A kind of press-moulding die of emery wheel joint block - Google Patents
A kind of press-moulding die of emery wheel joint block Download PDFInfo
- Publication number
- CN204108864U CN204108864U CN201420421509.9U CN201420421509U CN204108864U CN 204108864 U CN204108864 U CN 204108864U CN 201420421509 U CN201420421509 U CN 201420421509U CN 204108864 U CN204108864 U CN 204108864U
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- arc
- emery wheel
- press
- pressure head
- joint block
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Abstract
The utility model relates to the press-moulding die of a kind of emery wheel joint block, press-moulding die comprises framed, framed have that extend along the vertical direction with arc die cavity that is corresponding grinding layer radian adaptation, when press-moulding die also comprises use, slide-and-guide is assemblied in upper arc pressure head in described arc die cavity and arc lower pressure head, identical with the section configuration of described grinding layer with the cross sectional shape of arc die cavity perpendicular to arc pressure head on the cross section of above-below direction, arc lower pressure head.The utility model provide a kind of can conservation when compressing to the emery wheel of special-shaped section joint block, the press-moulding die of axial-radial even density can be ensured when the emery wheel joint block compacting thicker to axis, radial thickness.
Description
Technical field
The utility model relates to the press-moulding die of a kind of emery wheel joint block.
Background technology
As shown in Figure 1, emery wheel comprises grinding wheel base body 2 and is fixedly arranged on the grinding layer 1 on grinding wheel base body, grinding layer generally, sintering repressed, dry by super hard abrasive forms, the briquetting process of grinding layer is divided into integral pressing method and piecemeal drawing method, integral pressing method is applicable to the less grinding layer of size, piecemeal drawing method is applicable to larger-size grinding layer, piecemeal drawing method refers to that loose molding mass piecemeal is pressed into multiple emery wheel joint block, and each emery wheel joint block is finally spliced into an annular grinding layer again.Need to use supporting press-moulding die in grinding layer pressing process, existing a kind of press-moulding die matched with piecemeal drawing method " super-abrasive grinding wheel working lining saves block radial direction press-moulding die " disclosed in Chinese patent CN201645343U, this mould comprises framed and upper, push-down head, framed have die cavity, the bottom surface of seaming chuck is the concave surface with grinding layer outer peripheral face adaptation, the end face of push-down head is the convex surface with grinding layer inner peripheral surface adaptation, on during use, push-down head radially relative motion and molding mass in die cavity is pressed into emery wheel joint block, mould suppresses an emery wheel joint block at every turn, last more each emery wheel joint block is spliced into an overall annular grinding layer.Existing this mould Problems existing is: existing mould is relatively applicable to radial thickness evenly and be not too thick grinding layer, and can not be applicable to the too thick grinding layer of some radial thickness or the uneven shaped face grinding layer of radial thickness.
Emery wheel joint block section configuration code name by standard GB/T/T6409.1-94 regulation as shown in Figure 6, there are 30 kinds, wherein emery wheel joint block (as code name A) of regular shape also has erose emery wheel to save block (as code name D, F, K, QQ etc.), usually the emery wheel of emery wheel joint block section configuration rule is referred to as regular emery wheel as shown in Figure 1, the irregular emery wheel of emery wheel joint block section configuration is referred to as Special-Shaped Surface emery wheel as shown in Fig. 2 ~ 5.And the existing mould carrying out suppressing along radial direction is only applicable to the shaping of regular shape emery wheel joint block, for erose Special-Shaped Surface emery wheel, current common preparation technology is: first emery wheel is saved the emery wheel joint block that formation of lots is regular shape, burn till rear reprocessing and make the irregularly shaped of needs, this emery wheel preparation technology wastes raw material cost, working (machining) efficiency is low, and this is also only only applicable to the not too complicated Special-Shaped Surface emery wheel (as D, F etc.) of shape simultaneously.In addition, consider from the grinding performance of emery wheel, because super-abrasive grinding wheel has higher hardness, usually more wear-resisting, so the radial width of grinding layer is usually narrow.When emery wheel joint block is suppressed vertically, if the radial direction that the axial width of grinding layer is greater than 2 times of grinding layers is wide, two ends density is there will be large in grinding wheel thickness direction, the situation that intermediate density is little, causes in wheel grinding process and very easily occurs that wearing and tearing are unstable, lathe compensates the series of problems such as unstable, emery wheel durability is low, workpiece surface quality is poor; When emery wheel joint block is radially suppressed, for the hard grinding wheel that grinding layer radial thickness is larger, equally easily form two ends density in emery wheel radial direction large, the situation that intermediate density is little, to cause in wheel grinding process also easily emery wheel joint block to carry out the series of problems suppressed vertically.
Utility model content
The purpose of this utility model be to provide a kind of can conservation when compressing to the emery wheel joint block of special-shaped section, press-moulding die and the briquetting process of axial-radial even density can be ensured when the emery wheel joint block compacting thicker to axis, radial thickness.
In order to solve the problem,
In the utility model, the technical scheme of press-moulding die is:
Press-moulding die, comprise framed, framed have that extend along the vertical direction with arc die cavity that is corresponding grinding layer radian adaptation, when press-moulding die also comprises use, slide-and-guide is assemblied in upper arc pressure head in described arc die cavity and arc lower pressure head, identical with the section configuration of described grinding layer with the cross sectional shape of arc die cavity perpendicular to arc pressure head on the cross section of above-below direction, arc lower pressure head.
The beneficial effects of the utility model are: in the utility model, framed have that extend along the vertical direction with arc die cavity that is corresponding grinding layer radian adaptation, therefore upper, when arc lower pressure head is squeezed into moulding mixture, be equivalent to, arc lower pressure head is to the circumference force of emery wheel joint block, and block is saved for the emery wheel that axial-radial thickness is thicker, the circumferential lengths of each emery wheel joint block does not specify requirement accordingly, so can ensure that emery wheel saves the density uniformity in block circumference by controlling emery wheel joint block circumferential lengths, thus ensure the density uniformity of emery wheel joint block in axis and radial direction, and due to perpendicular to arc pressure head on the cross section of above-below direction, arc lower pressure head is identical with the section configuration of described grinding layer with the cross sectional shape of arc die cavity, therefore the emery wheel joint block of special-shaped section can be once extruded, do not need post-production again, save raw material, reduce the cost of manufacture of special-shaped section emery wheel joint block.
Accompanying drawing explanation
Fig. 1 is the structural representation of the regular emery wheel in the utility model background technology;
Fig. 2 is the structural representation of the first Special-Shaped Surface emery wheel in the utility model background technology;
Fig. 3 is the structural representation of the second Special-Shaped Surface emery wheel in the utility model background technology;
Fig. 4 is the structural representation of the 3rd Special-Shaped Surface emery wheel in the utility model background technology;
Fig. 5 is the structural representation of the 4th Special-Shaped Surface emery wheel in the utility model background technology;
Fig. 6 is about the section configuration of wheel grinding layer and code name corresponding diagram in national standard;
Fig. 7 is the using state figure of an embodiment of press-moulding die in the utility model;
Fig. 8 is that the A-A of Fig. 7 is to sectional view.
Detailed description of the invention
A kind of emery wheel saves the embodiment of the press-moulding die of block as shown in FIG. 7 and 8: comprise framed 3, framed have that extend along the vertical direction with arc die cavity that the is radian adaptation of corresponding grinding layer circumferencial direction, when press-moulding die also comprises use, slide-and-guide is assemblied in upper arc pressure head 4 in arc die cavity and arc lower pressure head 6, identical with the section configuration of grinding layer with the cross sectional shape of arc die cavity perpendicular to arc pressure head on the cross section of above-below direction, arc lower pressure head, upper and lower arc pressure head is made up of mould steel.
Now for the emery wheel joint block suppressing LL abrasive wheel, this press-moulding die is described, the section configuration of the grinding layer of LL abrasive wheel is as shown in graph of a correspondence in Fig. 5, the grinding layer of LL abrasive wheel is the thin special-shaped shapes in thick middle both sides, adopt traditional radially to exert pressure or spinning process all cannot obtain the emery wheel joint block that conforms to quality requirements vertically, in the present embodiment, perpendicular on the cross section of above-below direction, arc die cavity, upper arc pressure head is identical with the section configuration of the grinding layer of LL abrasive wheel with the cross sectional shape of arc lower pressure head, arc die cavity simultaneously, upper arc pressure head and arc lower pressure head all have the radian suitable with the radian of grinding layer circumferencial direction, on forcing press acts on, time on push-down head, on, push-down head relative motion and be squeezed into moulding mixture 5, this is just equivalent to, push-down head is circumferentially exerted pressure and makes emery wheel joint block extruded, length in each emery wheel joint block circumference does not specify demand accordingly, the thickness of emery wheel is also more even in the circumferential simultaneously, therefore can ensure that emery wheel saves the density uniformity in block circumference by controlling emery wheel joint block circumferential lengths, no matter emery wheel joint block axial length is long or radial width is wide can ensure the density uniformity of emery wheel joint block axially and in radial direction, emery wheel joint block one-shot forming simultaneously puts in place, do not need following process, while operating efficiency is provided, greatly reduce the cost of manufacture of emery wheel joint block.In other embodiment of this press-moulding die, when the section configuration of the emery wheel joint block of required compacting is other shape, the cross sectional shape of arc die cavity, upper arc pressure head and arc lower pressure head also adjusts thereupon; When the radian of the emery wheel joint block of required compacting is other radian, the radian of arc die cavity, upper arc pressure head and arc lower pressure head also adjusts thereupon.This compression molding device also may be used for the compacting of the emery wheel joint block with rule section.
The briquetting process of this press-moulding die is used to be that the method comprises the following steps;
The first step; Input molding mass in the framed arc die cavity of press-moulding die, the concrete structure of press-moulding die is identical with above-mentioned each press-moulding die, is not described in detail in this; Second step, is positioned in arc die cavity by the upper arc pressure head of press-moulding die, the upper arc pressure head of forcing press pushing tow press-moulding die, and the guide direction relative motion of upper and lower arc pressure head arcuately die cavity is to be squeezed into moulding mixture; 3rd step, takes out the molding mass after extruded by arc die cavity.In second step, the guide direction of upper arc pressure head arcuately die cavity makes arcuate movement, and forcing press is only arc pressure head on pushing tow, and arc pressure head is not fixedly arranged on forcing press.
Between the described first step and second step, with the molding mass in hertz oscilltor vibrations arc die cavity, make the molding mass natural packing in die cavity, hertz oscilltor belongs to prior art, and its concrete structure no longer describes in detail.In this briquetting process, in second step, forcing press can also make the relative motion of upper and lower arc pressure head by exerting pressure to arc lower pressure head, when forcing press is bidirection press machine, forcing press also can simultaneously up and down arc pressure head exert pressure and make the relative motion of upper and lower arc pressure head; When dropping into the molding mass in arc die cavity and piling up comparatively evenly, shaking this step with hertz oscilltor can omit.
Claims (1)
1. the press-moulding die of an emery wheel joint block, comprise framed, it is characterized in that: framed have that extend along the vertical direction with arc die cavity that is corresponding grinding layer radian adaptation, when press-moulding die also comprises use, slide-and-guide is assemblied in upper arc pressure head in described arc die cavity and arc lower pressure head, identical with the section configuration of described grinding layer with the cross sectional shape of arc die cavity perpendicular to arc pressure head on the cross section of above-below direction, arc lower pressure head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421509.9U CN204108864U (en) | 2014-07-29 | 2014-07-29 | A kind of press-moulding die of emery wheel joint block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421509.9U CN204108864U (en) | 2014-07-29 | 2014-07-29 | A kind of press-moulding die of emery wheel joint block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204108864U true CN204108864U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420421509.9U Expired - Fee Related CN204108864U (en) | 2014-07-29 | 2014-07-29 | A kind of press-moulding die of emery wheel joint block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204108864U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162850A (en) * | 2014-07-29 | 2014-11-26 | 郑州磨料磨具磨削研究所有限公司 | Compression forming die and method for grinding wheel block |
| CN106181798A (en) * | 2016-08-30 | 2016-12-07 | 洛阳希微磨料磨具有限公司 | A kind of emery wheel grinding tool |
| CN110722469A (en) * | 2019-11-25 | 2020-01-24 | 郑州磨料磨具磨削研究所有限公司 | Large thickness-diameter ratio grinding tool forming pressure gradient measuring device |
-
2014
- 2014-07-29 CN CN201420421509.9U patent/CN204108864U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162850A (en) * | 2014-07-29 | 2014-11-26 | 郑州磨料磨具磨削研究所有限公司 | Compression forming die and method for grinding wheel block |
| CN106181798A (en) * | 2016-08-30 | 2016-12-07 | 洛阳希微磨料磨具有限公司 | A kind of emery wheel grinding tool |
| CN110722469A (en) * | 2019-11-25 | 2020-01-24 | 郑州磨料磨具磨削研究所有限公司 | Large thickness-diameter ratio grinding tool forming pressure gradient measuring device |
| CN110722469B (en) * | 2019-11-25 | 2020-06-30 | 郑州磨料磨具磨削研究所有限公司 | Large thickness-diameter ratio grinding tool forming pressure gradient measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20210729 |