CN203485391U - Die structure of bonded washer - Google Patents
Die structure of bonded washer Download PDFInfo
- Publication number
- CN203485391U CN203485391U CN201320607244.7U CN201320607244U CN203485391U CN 203485391 U CN203485391 U CN 203485391U CN 201320607244 U CN201320607244 U CN 201320607244U CN 203485391 U CN203485391 U CN 203485391U
- Authority
- CN
- China
- Prior art keywords
- type ring
- core
- die
- bonded washer
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model provides a die structure of a bonded washer. The die structure mainly comprises a lower die (3), a middle die (4), an upper die (5), a blank holder (6), core dies (7) and shape rings (8), wherein the core dies (7) penetrate through the middle die (4) and are movably connected with the lower die (3), the shape rings (8) are positioned between the blank holder (6) and the middle die (4), the outlet end at the bottom of each shape ring (8) is provided with a groove (10), the top of the main body of each core die (7) is provided with a boss (12) penetrating through the inlet end of the corresponding shape ring (8), and a gap exists between a shaft shoulder (14) positioned at the top of the main body of each core die (7) and the bottom of the inlet end of the corresponding shape ring (8). The die structure provided by the utility model can be adapted to height difference of a washer framework in a greater range and overcomes the quality defect of formed products due to the fact that glue sealing between the die and the washer framework is poor; subsequent trimming operation is omitted, trimming equipment and human resources required by trimming are saved, and the production cost is reduced.
Description
Technical field
The utility model relates to mould structure technical field, especially relates to a kind of mould structure of bonded washer.
Background technology
Bonded washer as shown in Figure 1 mainly comprises washer body 1 and packing ring skeleton 2, washer body 1 is wherein that plastics or the rubber that mold injection is used is made, to be hard metals make as materials such as steel packing ring skeleton 2, and washer body 1 is by fastening chimeric being integral of mold injection with packing ring skeleton 2.Mould structure used in the prior art as shown in Figure 2 and Figure 3, mainly comprises counterdie 3, middle mould 4, patrix 5 and holding pad 6 and core 7, and described core 7 runs through middle mould 4 and is flexibly connected with counterdie 3 composition screw threads; The core 7 tops wherein completely die cavity in patrix 5 are inner, and the bottom, sprue gate on core 7 top end faces and patrix 5 keeps certain interval; When mould is when matched moulds compresses in the course of work, packing ring skeleton 2 top end faces are wherein that face contacts and form interference fit completely with patrix 5 bottom end faces, by the interference fit between patrix 5 and packing ring skeleton 2, reach sealing object.
The end face glue sealing structure of above-mentioned mould is high to the coherence request of packing ring skeleton 2 height, and the height tolerance of General Requirements packing ring skeleton 2 is ± 0.01mm.But, in fact, through the height tolerance of stamping forming packing ring skeleton 2 be difficult to be controlled at ± 0.01mm within the scope of.Therefore, once the height of packing ring skeleton 2, differ over 0.03mm, wherein highly relatively short packing ring skeleton 2 just can not reach sealing effect, thereby causes the product quality defect after bonded washer moulding.Especially when multiple-cavity mold is produced, the structure of above-mentioned die face sealing is owing to being subject to the 2 high consistency impacts of packing ring skeleton, thereby can make part bonded washer product occur the defect that sealing is bad, cause the product percent of pass of the bonded washer after moulding to reduce, cause production cost to increase.In addition, after bonded washer moulding by casting, at the cast arrival end edge of bonded washer, can produce unnecessary overlap, after the bonded washer after moulding takes out from mould, must adopt the deburring of trimming mode, remove this unnecessary overlap.Because the output of such bonded washer product is very large, adopt above-mentioned trimming mode to prune unnecessary overlap, waste very much trimming equipment and corresponding human resources, be unfavorable for the reduction of business manpower cost.
Utility model content
The technical problems to be solved in the utility model is: the problem existing for prior art, a kind of mould structure of bonded washer is provided, avoid in bonded washer production process because the bad problem of sealing between mould and packing ring skeleton causes shaped article mass defect, when mould die sinking, can tear unnecessary overlap, save trimming equipment and human resources, reduce production costs.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of mould structure of bonded washer, mainly comprises counterdie, middle mould, patrix, holding pad and core and type ring; Core wherein runs through middle mould and forms and be flexibly connected with counterdie, and described type ring, between holding pad and middle mould, arranges groove at type ring outlet at bottom end; Described core main body top arranges boss, and described boss runs through type ring arrival end, and gapped between the shaft shoulder at core main body top and type ring arrival end bottom.
Preferably, the arrival end of described type ring bottom arranges projection, described projection and gapped between the shaft shoulder at core main body top.
Preferably, projection and the gap between the shaft shoulder at core main body top of described type ring arrival end bottom are 0.05mm-0.35mm.
Preferably, the inside grooves of described type ring outlet at bottom end arranges taper surface, and described taper surface top diameter is greater than base diameter.
Preferably, at the taper surface of the inside grooves of type ring outlet at bottom end and the angle between type ring outlet at bottom end horizontal plane, be 45 degree.
Preferably, the inner surface of described type ring arrival end is taper surface, and the top bore of described taper surface is greater than bottom bore.
Preferably, the circumference side of boss that is positioned at the main body top of described core is taper surface, and the top diameter of described boss is less than base diameter.
Preferably, the gap between the shaft shoulder at described core main body top and type ring arrival end bottom is 0.05mm-0.35mm.
Preferably, described core forms screw thread with counterdie by bolt and is flexibly connected.
Compared with prior art, the beneficial effects of the utility model are: the type ring that corresponding construction is provided according to the structure of bonded washer, by groove being set at type ring outlet at bottom end, especially inside grooves arranges taper surface, when mould is when matched moulds compresses in the course of work, only have and between the groove of marginal portion in the end face of packing ring skeleton top and type ring outlet at bottom end, form incomplete and contact, abandoned the end face completely glue sealing structure forming between packing ring skeleton top end face in traditional moulds and patrix bottom end face, make mould can adapt to the wider difference in height opposite sex of packing ring skeleton, thereby the difference in height of shim skeleton self well, with this, solved in bonded washer production process because the bad problem of sealing between mould and packing ring skeleton causes shaped article mass defect, improved the qualification rate of shaped article, boss by core main body top runs through type ring arrival end, like this when mould die sinking, utilize die sinking pulling force can tear the unnecessary overlap of bonded washer end edge, reach the object that reduces follow-up trimming work, thereby saved and the bonded washer overlap after moulding is carried out to trimming repaired required trimming equipment and corresponding human resources, the product quality that has improved moulding bonded washer, has reduced the production cost of manufacturing enterprise.
Accompanying drawing explanation
Fig. 1 is the structure chart of bonded washer.
Fig. 2 is the die structure dwg (before improvement) of bonded washer shown in Fig. 1.
Fig. 3 is A place partial enlarged drawing in Fig. 2.
Fig. 4 is the die structure dwg (after improving) of a kind of bonded washer of the utility model.
Fig. 5 is B place partial enlarged drawing in Fig. 4.
Fig. 6 is C place partial enlarged drawing in Fig. 4.
Fig. 7 is the structure chart of the medium-sized ring of Fig. 4.
Figure middle part product token name claims: 1-washer body, 2-packing ring skeleton, 3-counterdie, mould in 4-, 5-patrix, 6-holding pad, 7-core, 8-type ring, 9-bolt, 10-groove, 11-taper surface, 12-boss, 13-projection, the 14-shaft shoulder.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the drawings and specific embodiments, the utility model is elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The mould structure of a kind of bonded washer as shown in Figure 4, mainly comprises counterdie 3, middle mould 4, patrix 5, holding pad 6 and core 7 and type ring 8.Wherein, described core 7 runs through middle mould 4 and by bolt 9, forms screw threads with counterdie 3 and is flexibly connected, dismounting, the installation of core 7 and counterdie 3 when facilitating mold repair, debugging.Described type ring 8, between holding pad 6 and middle mould 4, arranges groove 10 at type ring 8 outlet at bottom ends, as shown in Figure 7.At described core 7 main body tops, boss 12 is set, described boss 12 runs through type ring 8 arrival ends, and gapped between the shaft shoulder 14 at core 7 main body tops and type ring 8 arrival ends bottoms, in mold work process, castable can enter into by the gap at this place type ring 8 and the common cast die cavity forming of packing ring skeleton 2, and this cast shape of die cavity and the profile of bonded washer are coincide consistent.In order to make the overlap after bonded washer moulding by casting as much as possible little, thin, so that overlap can be completely removed during die sinking, these type ring 8 arrival ends bottoms and the gap width between the shaft shoulder 14 at core 7 main body tops are arranged to 0.05mm-0.35mm.Therefore, by above-mentioned mould structure, when mould die sinking, utilize die sinking pulling force can tear the unnecessary overlap of bonded washer end edge, thereby reach the object that reduces follow-up trimming work, saved and the bonded washer overlap after moulding is carried out to trimming repaired required trimming equipment and corresponding human resources, improved product quality, be also conducive to reduce production costs.
In the mould structure of combinations thereof packing ring, projection 13, described protruding 13 is set in the arrival end of type ring 8 bottom and the gap between the shaft shoulder 14 at core 7 main body tops is 0.05mm-0.35mm; Inner surface at type ring 8 arrival ends is taper surface, and the top bore of described taper surface is greater than bottom bore; Corresponding, the circumference side of boss 12 that is positioned at the main body top of core 7 is also taper surface, and the top diameter of described boss 12 is less than base diameter, as shown in Figure 5, Figure 7.Such structure makes the arrival end headroom of type ring 8 be greater than bottom space, thereby formed a upright conical cavity at type ring 8 arrival ends, when castable is in the process of cast die cavity that is entered bonded washer by holding pad 6 by the 8 arrival end cast of type ring, flow velocity by type ring 8 projections 13 of arrival end bottom and the liquid pouring material in the gap between the shaft shoulder 14 at core 7 main body tops increases, pouring pressure also strengthens, thereby can guarantee the moulding by casting quality of bonded washer, and make the overlap after bonded washer moulding by casting less, thinner, thereby can easily unnecessary overlap be removed completely when die sinking.
As shown in Figure 6, in groove 10 inside of type ring 8 outlet at bottom ends, taper surface 11 is set, and described taper surface 11 top diameters are greater than base diameter, preferably, the angle between described taper surface 11 and type ring 8 outlet at bottom end horizontal planes is 45 degree.At mould, in matched moulds, compress in the course of work, adopt such structure to contact so that form incomplete between the groove 10 of the marginal portion in packing ring skeleton 2 top end faces and type ring 8 outlet at bottom ends, simultaneously, other parts of packing ring skeleton 2 top end faces do not contact completely with groove 10 bottom end faces of type ring 8 bottoms yet, like this by packing ring skeleton 2, type ring 8 and in mould 4 jointly in the middle of groove 10, surround and form a little enclosure space, thereby be conducive to the abundant compression between packing ring skeleton 2 and type ring 8, thereby play sealing effect; Further, adopt above-mentioned glue sealing structure can also guarantee also roughly to form after the inside edge of packing ring skeleton 2 top end faces is pushed by the taper surface 11 of groove 10 inclined plane of one 45 degree, thereby make the suffered extruding force of packing ring skeleton 2 obtain equilibrium in upper and lower, left and right, avoid packing ring skeleton 2 because of off normal or gross distortion that discontinuity causes, finally affected the product quality after bonded washer moulding.Therefore, adopt above-mentioned incomplete contact glue sealing structure, can make mould adapt to the packing ring skeleton 2 difference in height opposite sex in larger scope, thereby compensated well the difference in height of packing ring skeleton 2 self, avoided in bonded washer production process, due to bad the caused shaped article mass defect of sealing, having improved the qualification rate of shaped article.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all any modifications of doing within spirit of the present utility model and principle, be equal to replacement and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. the mould structure of a bonded washer, mainly comprise counterdie (3), middle mould (4), patrix (5) and holding pad (6) and core (7), described core (7) runs through middle mould (4) and forms and be flexibly connected with counterdie (3), it is characterized in that: also comprise type ring (8), described type ring (8) is arranged between holding pad (6) and mould (4), at type ring (8) outlet at bottom end, groove (10) is set; Described core (7) main body top arranges boss (12), and described boss (12) runs through type ring (8) arrival end, and is positioned between the shaft shoulder (14) at core (7) main body top and type ring (8) arrival end bottom gapped.
2. the mould structure of a kind of bonded washer according to claim 1, it is characterized in that: the arrival end of described type ring (8) bottom arranges projection (13) described projection (13) and be positioned between the shaft shoulder (14) at core (7) main body top gapped.
3. the mould structure of a kind of bonded washer according to claim 2, is characterized in that: the projection (13) of described type ring (8) arrival end bottom and the gap being positioned between the shaft shoulder (14) at core (7) main body top are 0.05mm-0.35mm.
4. according to the mould structure of a kind of bonded washer described in claim 1 or 2, it is characterized in that: groove (10) inside of described type ring (8) outlet at bottom end arranges taper surface (11), and described taper surface (11) top diameter is greater than base diameter.
5. the mould structure of a kind of bonded washer according to claim 4, is characterized in that: being positioned at the inner taper surface (11) of the groove (10) of type ring (8) outlet at bottom end and the angle between type ring (8) outlet at bottom end horizontal plane is 45 degree.
6. according to the mould structure of a kind of bonded washer described in claims 1 to 3 any one, it is characterized in that: the inner surface of described type ring (8) arrival end is taper surface, the top bore of described taper surface is greater than bottom bore.
7. according to the mould structure of a kind of bonded washer described in claims 1 to 3 any one, it is characterized in that: the circumference side of boss (12) that is positioned at the main body top of described core (7) is taper surface, and the top diameter of described boss (12) is less than base diameter.
8. the mould structure of a kind of bonded washer according to claim 1, is characterized in that: the gap between the shaft shoulder (14) at described core (7) main body top and type ring (8) arrival end bottom is 0.05mm-0.35mm.
9. the mould structure of a kind of bonded washer according to claim 1, is characterized in that: described core (7) forms screw thread with counterdie (3) by bolt (9) and is flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607244.7U CN203485391U (en) | 2013-09-29 | 2013-09-29 | Die structure of bonded washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607244.7U CN203485391U (en) | 2013-09-29 | 2013-09-29 | Die structure of bonded washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203485391U true CN203485391U (en) | 2014-03-19 |
Family
ID=50256246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320607244.7U Expired - Lifetime CN203485391U (en) | 2013-09-29 | 2013-09-29 | Die structure of bonded washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203485391U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904623A (en) * | 2016-05-16 | 2016-08-31 | 浙江宏利汽车零部件有限公司 | Vulcanizing die for plastic framework of spring cushion |
| CN111216370A (en) * | 2019-11-29 | 2020-06-02 | 南京金三力橡塑有限公司 | Processing method and forming die for rubber composite gasket with metal framework |
| CN114367361A (en) * | 2021-12-21 | 2022-04-19 | 洛阳矿山机械工程设计研究院有限责任公司 | Bottom protection device for protecting spiral stirrer |
| CN114589852A (en) * | 2022-03-17 | 2022-06-07 | 黄高维 | Resin well lid loading attachment for industrial production |
-
2013
- 2013-09-29 CN CN201320607244.7U patent/CN203485391U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904623A (en) * | 2016-05-16 | 2016-08-31 | 浙江宏利汽车零部件有限公司 | Vulcanizing die for plastic framework of spring cushion |
| CN111216370A (en) * | 2019-11-29 | 2020-06-02 | 南京金三力橡塑有限公司 | Processing method and forming die for rubber composite gasket with metal framework |
| CN114367361A (en) * | 2021-12-21 | 2022-04-19 | 洛阳矿山机械工程设计研究院有限责任公司 | Bottom protection device for protecting spiral stirrer |
| CN114589852A (en) * | 2022-03-17 | 2022-06-07 | 黄高维 | Resin well lid loading attachment for industrial production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203485391U (en) | Die structure of bonded washer | |
| CN203778738U (en) | Engine cylinder body mold | |
| CN203418081U (en) | Wax injecting die structure | |
| CN204196125U (en) | A kind of injection mould template | |
| CN203739089U (en) | Mutual inductor pouring mold | |
| CN205044059U (en) | Injection mold | |
| CN204955285U (en) | Injection mold die joint | |
| CN202668803U (en) | Joint face structure of mold | |
| CN102922676B (en) | Casting injection molding mold for agricultural machinery | |
| CN208303799U (en) | A kind of piston type product mold | |
| CN208930545U (en) | A kind of 45 ° of parting O shape cushion rubber molds | |
| CN204367281U (en) | A kind of mould for the production of foaming part | |
| CN201579899U (en) | Bearing oil seal manufacturing mold | |
| CN206936329U (en) | A kind of mould for the manufacture of video communication equipment joint | |
| CN207028040U (en) | It is bumped into the injection mould of metalwork | |
| CN202572850U (en) | Die joint structure of tail part of shower head body die | |
| CN205086345U (en) | Forked tail structure mold bellows vertical type forming machine | |
| CN204487962U (en) | Be provided with the flat plate mold of slip-off preventing rubbish nail | |
| CN203401678U (en) | Beveled edge spray nozzle mold | |
| CN204109262U (en) | PP thin-walled welding bell tool | |
| CN203973854U (en) | The assembling die of a kind of one-shot forming silica gel mould and handicraft | |
| CN204604706U (en) | Plug and mould | |
| CN203994446U (en) | The mould of dust catcher contiguous block | |
| CN203401683U (en) | Improved inner slide injection mold | |
| CN209078877U (en) | A kind of counterdie positioning device of cutting die cross cutting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SICHUAN BEITEER RUBBER TECHNOLOGY Co.,Ltd. Assignor: CHENGDU SHENGBANG SEALS Co.,Ltd. Contract record no.: 2014510000134 Denomination of utility model: Die structure of bonded washer Granted publication date: 20140319 License type: Exclusive License Record date: 20140822 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: SICHUAN BEITEER RUBBER TECHNOLOGY Co.,Ltd. Assignor: CHENGDU SHENGBANG SEALS Co.,Ltd. Contract record no.: 2014510000134 Date of cancellation: 20190912 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |