CN201271983Y - Glue injection molding device for conductor roll - Google Patents
Glue injection molding device for conductor roll Download PDFInfo
- Publication number
- CN201271983Y CN201271983Y CNU2008201471736U CN200820147173U CN201271983Y CN 201271983 Y CN201271983 Y CN 201271983Y CN U2008201471736 U CNU2008201471736 U CN U2008201471736U CN 200820147173 U CN200820147173 U CN 200820147173U CN 201271983 Y CN201271983 Y CN 201271983Y
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- China
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- fixed die
- mold
- conductive rollers
- fixing mold
- mould
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- Expired - Lifetime
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Abstract
The utility model discloses a conductive roller glue-injection molding device; the shaft core of the conductive roller is fixedly arranged between an upper standardized mold and a lower standardized mold; the upper standardized mold and the lower standardized mold are respectively and movably sheathed with an upper fixing mold and a lower fixing mold for automatically adjusting the opposite positions thereof; a molding sleeve is sheathed on the periphery of the shaft core of the conductive roller, and is connected and located with the upper fixing mold and the lower fixing mold; the connecting surfaces between the molding sleeve, and the upper fixing mold as well as the lower fixing mold are processed to be conical surfaces which can be mutually matched to lead the center of the molding sleeve to be on the same straight line with the center of the shaft core of the conductive roller; the upper fixing mold or/ and the lower fixing mold are connected with a fixing piece by a hinge so as to realize the self centralizing when the upper fixing mold and the lower fixing mold are fixed; glue liquid is injected into an empty cavity between the shaft core of the conductive roller and the molding sleeve by a liquid injection port arranged on the upper fixing mold or the lower fixing mold. The utility model can improve the contact precision between the molding sleeve and the upper fixing mold as well as the lower fixing mold; the pulsation error of the glue roller after being molded is small and the outer diameter dimension precision is high; the thickness of a rubber layer after the glue is injected is uniform, and the finished product rate is high.
Description
[technical field]
The utility model printer and duplicator conductive rollers (developer roll) manufacture field, self-centering apparatus when being specifically related to a kind of conductive rollers caoutchouc elasticity colloid injecting glue moulding.
[background technology]
Conductive rollers (developer roll, transcription roller) is a developing device common on current printer or the duplicator, and it can adsorb toner, and makes it charged, and then toner is transferred to photoconductor drum/photosensitive drum surface.Existing conductive rollers structure comprises the roller core of doing matrix with the metallic conduction material, is coated with conductive adhesive on the described roller core, and conductive adhesive is provided with has certain thickness conductive rubber elastomer, on the conductive rubber elastomer outside surface coverage conductive coating is arranged.Conductive rollers (developer roll, transcription roller) is when the rubber elastomer processing and forming, because mould directly is fixed on up and down on the mould, just be easy to produce to leak the glue phenomenon if contact is bad during the location, like this, to cause mould and upper and lower mould to have higher processing precision and assembly precision requirement, thereby make the corresponding raising of processing cost.Simultaneously when the fixed mould center shaft axis does not have skew on same straight line up and down, it is crooked that the conduction mandrel will be produced, thereby make rubber after the moulding precision of beating bad, and it is radially inhomogeneous to add sulphur thickness, influence the resistance and the image quality of conductive rollers, bring qualitative defective.
[utility model content]
Technical problem to be solved in the utility model is, overcomes the defective of above-mentioned prior art, and a kind of upper and lower mould good concentricity is provided, the conductive rollers caoutchouc elasticity colloid injecting glue shaped device of the little and outside dimension precision height of the runout error of moulding back cot.
For achieving the above object, the technical scheme that the utility model proposed is:
A kind of conductive rollers injecting glue shaped device comprises:
Last stock mould: its upper end offers flange, and the bottom surface offers the groove that is used for fixing conduction roll shaft core upper end;
Following stock mould: its lower end offers flange, and upper surface offers the groove that is used for fixing conduction roll shaft core lower end;
The typing sleeve: place the conduction roll shaft core periphery behind the location, its upper and lower side outer surface is processed as taper seat;
Last fixed die: its center offer can with the groove of last shaping mould flange fit, the lower end offer can with the suitable inner conical surface of typing sleeve upper end taper seat;
Following fixed die: its center offer the inlet that can hold the glue injection and can with the groove of compacted under mould flange fit, the upper end offer can with the suitable inner conical surface of typing sleeve lower end taper seat;
Described fixed die down is fixed on the base plate, and last fixed die is fixed by pressing plate.
Described pressing plate is placed on symmetrically arranged two guide posts, and described two guide posts are provided with the spring that can contact with pressing plate, and pressing plate is by being divided into the clamp nut locking on two guide posts.
Fixed die upper end on described is or/and fixed die lower end down also offers an arc inner chamber, be placed with in this arc inner chamber one can be with last fixed die upper end or/and the pressure head that is articulated and connected of fixed die lower end down.
, conflict or/and down between the fixed die arc intracavity inner surface, be provided with a centering ring at described pressure head lower end outer surface and last fixed die, form pressure head and last fixed die or/and hinged between time fixed die with described arc inner chamber.
Described shaping mould and compacted under mould and the conductive rollers mandrel opposing end faces of going up is respectively equipped with upper sealing ring and lower sealing ring.
Compared with prior art, the utlity model has following technique effect:
The utility model adopts conduction roll shaft core to be connected the location with last shaping mould, compacted under mould; upper and lower fixed die cooperates with upper and lower shaping mould pivot bush unit mode; simultaneously in of the inner conical surface contact of typing sleeve two ends processing male cone (strobilus masculinus) with the corresponding setting of upper and lower fixed die; under the condition that does not change the original machining accuracy of each part; realize the self-centering function when upper and lower mould fixedly preferably; can improve the contact precision of typing sleeve and upper and lower fixed die; make the runout error of injecting glue moulding back cot little; outside dimension precision height, rubber layer thickness is even.Simultaneously; the utility model at last fixed die or/and down on the fixed form of fixed die; adopt pressure head hinged with it; can regulate the relative position of fixed die, following fixed die and typing sleeve automatically; further improved the concentricity precision of above-mentioned three and last shaping mould, compacted under mould and conductive rollers mandrel; crudy is more perfect, and the processed finished products rate also further improves.
[description of drawings]
Fig. 1 is the utility model structural representation.
Among the figure:
1-upward fixed die; 2-pressure head; 3-centering ring;
4-clamp nut; 5-pressing plate; 6-spring;
7-upward shaping moulds; 8-upper sealing ring; 9-colloid layer;
10-conductive rollers mandrel; 11-typing sleeve; 12-guide post;
13-lower sealing ring; 14-base plate; 15-following fixed die;
16-compacted under mould; 17-glue inlet.
[specific embodiment]
The utility model is at the prior art defective, a kind of conductive rollers injecting glue shaped device is provided, it is that the conduction roll shaft core to be processed that will be coated with conductive adhesive is fixed in earlier between the upper and lower shaper, locate to it by upper and lower stock mould, two upper and lower stock moulds respectively with upper and lower fixed die pivot bush unit, like this, can make between upper and lower stock mould and the upper and lower fixed die to have certain clearance, can regulate its relative position as required mutually automatically; The sleeve of will finalizing the design is placed in conductive rollers axle core periphery; its upper and lower side is respectively with last; following fixed die connects; typing sleeve and last; joint face between the following fixed die all is processed as the conical surface that can cooperatively interact; touch and to regulate automatically by the inclined-plane; the concentricity of following fixed die and typing sleeve; simultaneously by last; following stock mould and last; following fixed die pivot bush unit; the position of adjustable typing sleeve; thereby can make typing sleeve center and conduct electricity roll shaft core center on same straight line; glue is injected in the cavity that conducts electricity between roll shaft core and the typing sleeve by the liquid injection port of offering on last fixed die or the following fixed die, just forms rubber layer after the glue cooling.
The upper and lower fixed die of the utility model can be fixed by fixture; described upward fixed die is or/and following fixed die adopts articulated manner to be connected with fixture; automatic aligning when fixed die or following fixed die are fixed; the skew of avoiding its positioning and fixing hour offset and bringing the typing sleeve; thereby each automatic adjustment of each part center when guaranteeing conductive rollers injecting glue processing and forming; all can be on the same straight line, so realized the purpose of this utility model.
As shown in Figure 1, the utility model concrete structure comprises shaping mould 7, compacted under mould 16, last fixed die 1, following fixed die 15, typing sleeve 11, on described fixed die 15 fixed base plates 14 down, can be embedded at by the downward flange that following fixed die 15 is offered in the groove that base plate 14 center correspondences offer, it is positioned on the base plate 14 securely, this time fixed die 15 bottom dead center position offer glue inlet 17, the upper end offers the annular cavity that opening makes progress, described annular cavity central authorities offer downward groove, and this groove is communicated with glue inlet 17; Described compacted under mould 16 places down in the annular cavity of fixed die 15, compacted under mould 16 bottom central authorities are provided with a flange, this flange can place in the described down fixed die 15 annular cavity mediads groove down, has certain clearance between the two, is convenient to the injection of glue and mobile.Entreating among the plane on the compacted under mould 16, offering locating slot, end can place in this time locating slot under the conductive rollers mandrel 10.Correspondence position above described compacted under mould 16, be provided with the described shaping mould 7 of going up, should go up shaping mould 7 lower surface central authorities and offer locating slot, corresponding with locating slot position under the compacted under mould 16, end can place on this in locating slot on the conductive rollers mandrel 10, like this, by last shaping mould 7 and compacted under mould 16, in the middle of conductive rollers mandrel 10 just is fixed on.Shaping mould 7 upper end middle positions on described, also offer a flange, be used for cooperating with the described fixed die 1 of going up, described fixed die 1 lower end of going up offers the annular cavity that Open Side Down, corresponding with described following fixed die 15, the described fixed die 1 annular cavity central authorities of going up offer downward groove, and last shaping mould 7 flanges place in this groove and cooperate with it.Week outside described conductive rollers mandrel 10, be provided with certain jacket tube 11, these typing sleeve 11 internal diameters are greater than conductive rollers mandrel 10 external diameters, its lower end links to each other with following fixed die 15, the upper end links to each other with last fixed die 1, the difference of typing sleeve 11 internal diameters and conductive rollers mandrel 10 external diameters is a conductive rollers colloid layer thickness, and both formed gaps promptly constitute the cavity that colloid injects, and colloid injects the back and forms colloid layer 9.As shown in Figure 1, described location of going up fixed die 1 is the realization that presses down by pressing plate 5, these pressing plate 5 two ends offer through hole, can correspondingly be placed on two guide posts 12 that are arranged on by last fixed die 1, typing sleeve 11, the following fixed die 15 formed assembly outsides, two guide posts, 12 lower ends are fixed on the base plate 14, be arranged with spring 8 on the bar, pressing plate 5 is placed in two guide posts, 12 upper ends, and contact with spring 8 upper ends, pressing plate 5 can be pressed on the fixed die 1, by being placed in clamp nut 4 lockings on two guide posts 12.
In conductive rollers (developer roll, transcription roller) rubber elastomer processing and forming, require to go up shaping mould 7, compacted under mould 16 and conductive rollers mandrel 10 in theory, go up fixed die 1, the heart should be all point-blank among fixed die 15 and the typing sleeve 11 down, otherwise, conductive rollers mandrel after the machine-shaping produces crooked, and colloid layer 9 thickness in the axial direction has bigger deviation, and the conductive rollers that these defectives are arranged obviously is underproof, and can influence the follow-up processing of conductive rollers.If above-mentioned member added separately at each part improves its machining accuracy man-hour, can bring the raising greatly of processing cost undoubtedly.
Therefore, in the utility model, last shaping mould 7, compacted under mould 16 by groove to the 10 upper and lower side screens of conduction roll shaft core, as long as control the concentricity and the notch mismachining tolerance (in the 0.05mm scope) of shaping mould 7, the processing of compacted under mould 16 grooves well, just can reach shaping mould 7, compacted under mould 16,10 required precisions of three center on same straight line of conduction roll shaft core.To finalize the design sleeve about in the of 11 outside end be made as the inclined-plane with last fixed die 1 and following fixed die 15 link positions and touch mutually, the sleeve 11 upper and lower end outer surfaces that are about to finalize the design are processed into taper seat, be processed as internal conical surface and go up fixed die 11 lower end annular cavity arrival ends, following fixed die 15 upper end annular cavity arrival ends also are processed as the internal conical surface consistent with last fixed die 1, three's tapering is identical, therefore, in the fit of typing sleeve 11 and last fixed die 1 and following fixed die 15, utilize the automatic centering performance on its inclined-plane, make the three center on same straight line.Simultaneously, leave bigger gap between the flange of last fixed die 1 annular cavity drop-center and last shaping mould 7, so that adjusting between the two, thereby just can make shaping mould 7, compacted under mould 16 and conductive rollers mandrel 10, go up fixed die 1, down fixed die 15 and typing sleeve 11 under the situation that does not improve machining accuracy, each center error point-blank significantly reduces, through experiment, said structure can reach designing requirement.
Because the location of last fixed die 1 is the realization that presses down by described pressing plate 5, and because two guide posts 12 have certain height, pressing plate 5 also may bring certain flatness error when level presses down, be easy to cause the skew at typing sleeve 11 centers and conduction roll shaft core 10 centers.Therefore, the utility model also offers a penetrating hole in described pressing plate 5 centers, last fixed die 1 upper end processes an arc inner chamber, pressure head 2 lower ends place in the fixed die 1 arc inner chamber, between described pressure head 2 lower end outer surfaces and last fixed die 1 arc inner chamber, be provided with a centering ring 3, be surrounded on pressure head 2 lower end outer surfaces, can conflict with described arc inner chamber, pressure head 2 is articulated on the fixed die 1, pressing plate 5 penetrating holes can be passed through in pressure head 2 upper ends, and pressing plate 5 is compacted on the set stop surface of pressure head 2, like this, effect by centering ring 3, can regulate fixed die 1 automatically, the position of following fixed die 15 and typing sleeve 11 further reaches and last shaping mould 7, compacted under mould 16 is concentric with conductive rollers mandrel 10, thereby has realized the purpose of this utility model.
The utility model also is respectively equipped with upper sealing ring 8 and lower sealing ring 13 in last shaping mould 7 and compacted under mould 16 and conductive rollers mandrel 10 opposing end faces, can guarantee the sealing that shaping mould 7 and compacted under mould 16 and conductive rollers mandrel on colloid is when injecting 10 are axial.
The above embodiment has only expressed the utility model preferred embodiment, it describes comparatively concrete and detailed, but can not therefore be interpreted as restriction to the utility model claim, fluid injection as glue also can realize by the lateral opening of last fixed die, also can connect between last fixed die and the last shaping mould, can realize the utility model purpose equally by centering ring.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1, a kind of conductive rollers injecting glue shaped device is characterized in that comprising:
Last stock mould: its upper end offers flange, and the bottom surface offers the groove that is used for fixing conduction roll shaft core upper end;
Following stock mould: its lower end offers flange, and upper surface offers the groove that is used for fixing conduction roll shaft core lower end;
The typing sleeve: place the conduction roll shaft core periphery behind the location, its upper and lower side outer surface is processed as taper seat;
Last fixed die: its center offer can with the groove of last shaping mould flange fit, the lower end offer can with the suitable inner conical surface of typing sleeve upper end taper seat;
Following fixed die: its center offer the inlet that can hold the glue injection and can with the groove of compacted under mould flange fit, the upper end offer can with the suitable inner conical surface of typing sleeve lower end taper seat;
Described fixed die down is fixed on the base plate, and last fixed die is fixed by pressing plate.
2, a kind of conductive rollers injecting glue shaped device according to claim 1, it is characterized in that: described pressing plate is placed on symmetrically arranged two guide posts, described two guide posts are provided with the spring that can contact with pressing plate, and pressing plate is by being divided into the clamp nut locking on two guide posts.
3, a kind of conductive rollers injecting glue shaped device according to claim 1 and 2, it is characterized in that: described upward fixed die upper end is or/and following fixed die lower end offers an arc inner chamber, and being placed with one in this arc inner chamber can be with last fixed die upper end or/and the pressure head that following fixed die lower end is articulated and connected.
4, a kind of conductive rollers injecting glue shaped device according to claim 3; it is characterized in that: at described pressure head lower end outer surface and last fixed die or/and down between the fixed die arc intracavity inner surface; be provided with a centering ring; conflict with described arc inner chamber, form pressure head and last fixed die or/and hinged between time fixed die.
5, according to claim 1 or 2 or 4 described a kind of conductive rollers injecting glue shaped devices, it is characterized in that: described shaping mould and compacted under mould and the conductive rollers mandrel opposing end faces of going up is respectively equipped with upper sealing ring and lower sealing ring.
6, a kind of conductive rollers injecting glue shaped device according to claim 3 is characterized in that: described shaping mould and compacted under mould and the conductive rollers mandrel opposing end faces of going up is respectively equipped with upper sealing ring and lower sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201471736U CN201271983Y (en) | 2008-09-02 | 2008-09-02 | Glue injection molding device for conductor roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201471736U CN201271983Y (en) | 2008-09-02 | 2008-09-02 | Glue injection molding device for conductor roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201271983Y true CN201271983Y (en) | 2009-07-15 |
Family
ID=40882335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201471736U Expired - Lifetime CN201271983Y (en) | 2008-09-02 | 2008-09-02 | Glue injection molding device for conductor roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201271983Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448181A (en) * | 2013-01-09 | 2013-12-18 | 平顶山市普汇电气有限责任公司 | Mould for casting basin-type insulator |
| CN103522489A (en) * | 2012-07-06 | 2014-01-22 | 镇江新梦溪能源科技有限公司 | Seamless metal and plastic composite shaft sleeve compression mould |
| CN103977969A (en) * | 2014-05-23 | 2014-08-13 | 江美霞 | Material ejection machine of bearing chamber of drum of washing machine |
| CN105563846A (en) * | 2016-01-31 | 2016-05-11 | 宝利泰橡胶科技扬州有限公司 | Manufacturing method of separate rubber-covered roll |
| CN107227207A (en) * | 2017-07-12 | 2017-10-03 | 中山南星工艺品有限公司 | A kind of process for making of Simulated electrical candle |
-
2008
- 2008-09-02 CN CNU2008201471736U patent/CN201271983Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522489A (en) * | 2012-07-06 | 2014-01-22 | 镇江新梦溪能源科技有限公司 | Seamless metal and plastic composite shaft sleeve compression mould |
| CN103522489B (en) * | 2012-07-06 | 2016-01-20 | 镇江新梦溪能源科技有限公司 | A kind of seamless metal plastics composite shaft sleeve compression mould |
| CN103448181A (en) * | 2013-01-09 | 2013-12-18 | 平顶山市普汇电气有限责任公司 | Mould for casting basin-type insulator |
| CN103977969A (en) * | 2014-05-23 | 2014-08-13 | 江美霞 | Material ejection machine of bearing chamber of drum of washing machine |
| CN103977969B (en) * | 2014-05-23 | 2017-01-18 | 江美霞 | Material ejection machine of bearing chamber of drum of washing machine |
| CN105563846A (en) * | 2016-01-31 | 2016-05-11 | 宝利泰橡胶科技扬州有限公司 | Manufacturing method of separate rubber-covered roll |
| CN107227207A (en) * | 2017-07-12 | 2017-10-03 | 中山南星工艺品有限公司 | A kind of process for making of Simulated electrical candle |
| CN107227207B (en) * | 2017-07-12 | 2021-03-12 | 中山南星工艺品有限公司 | Manufacturing process method of simulated electronic candle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN LEPUTAI TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN LEPUTAI OFFICE EQUIPMENT PARTS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 1-2, building 518173, building A, six deep pit bamboo industry zone, Henggang, Longgang, Guangdong, Shenzhen, China Patentee after: Shenzhen Leputai Technology Co., Ltd. Address before: 1-2, building 518173, building A, six deep pit bamboo industry zone, Henggang, Longgang, Guangdong, Shenzhen, China Patentee before: Shenzhen Leputai Office Equipment Parts Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090715 |