CN105690617A - Two-end-cutting-free and wall thickness-controlling mould for vulcanization molding of special-shaped rubber pipes - Google Patents
Two-end-cutting-free and wall thickness-controlling mould for vulcanization molding of special-shaped rubber pipes Download PDFInfo
- Publication number
- CN105690617A CN105690617A CN201610184866.1A CN201610184866A CN105690617A CN 105690617 A CN105690617 A CN 105690617A CN 201610184866 A CN201610184866 A CN 201610184866A CN 105690617 A CN105690617 A CN 105690617A
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- China
- Prior art keywords
- core rod
- positioning sleeve
- positioner
- conical surface
- sleeve
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
- B29C33/304—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting centering cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/306—Exchangeable mould parts, e.g. cassette moulds, mould inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses a two-end-cutting-free and wall thickness-controlling mould for vulcanization molding of special-shaped rubber pipes, belonging to the technical field of rubber pipe production. The mould comprises a mould core made of a metal material, an upper positioning device and a lower positioning device, wherein the middle part of the mould core is a vulcanization molding part; the upper end and the lower end of the vulcanization molding part are separately provided with the upper positioning device and the lower positioning device; a fast clamping device is arranged on the lower end of the lower positioning device; the upper positioning device and the lower positioning device are both arranged on the mould core; the fast clamping device is fixed on a trolley rack; the upper positioning device is in conical fit with the mould core for radially positioning, and a clamp groove is used for axially positioning; a pressing spring is arranged in the upper positioning device; the lower positioning device is in conical fit with the mould core for radially positioning, and a clamp groove is used for axially positioning; and a pressing spring is arranged in the lower positioning device. Zero-cut remainder production is realized, and the inner diameter dimension precision and the end surface flatness are greatly improved; the disassembly is convenient, so that the mould core can be conveniently cleaned; the two-end-cutting-free and wall thickness-controlling mould is safe, reliable and high-efficient; the production efficiency is improved; and the production cost is lowered.
Description
Technical field:
The present invention relates to special-shaped rubber tube sulfidization molding to exempt to cut, sebific duct two ends wall thickness is had the mould of strict demand, belong to rubber tube production technical field。
Background technology:
Now domestic, international market is increasing to the demand of rubber tube, industrial and agricultural production is particularly important, the rubber tube wherein used is different, it is called abnormity sebific duct, and the mould of abnormity sebific duct sulfidization molding is designed with two tip cut-off clouts at present, the otherwise internal diameter of sebific duct, thickness, end face flatness all cannot ensure in the scope that must control, as produced horn mouth, angle, the super tolerance of size, the defects such as thickness of pipe wall is monolateral, only by excising sebific duct two ends certain length (about 20mm-40mm) clout guarantee primary demand, the material of excision is not recycling, waste resource, pollute environment, percent defective is typically in 10%-40%, furthermore add excision clout operation, waste human resources, thus adding production cost, reduce product competitiveness in the market。It addition, existing production is to be welded on a crossbeam by one group of core rod, it is inserted into the square opening on sulfuration bogie frame, and is screwed, it is prevented that being pulled out when taking product, mold clean is also pretty troublesome, wastes time and energy, and reduces production efficiency。
Summary of the invention:
For existing backward production technology, the invention provides a kind of high-accuracy shaped rubber tube sulfidization molding and exempt to cut, sebific duct two ends wall thickness is had the mould of strict demand, this mould release is convenient, it is readily cleaned core rod, safe and reliable, improve production efficiency and product quality。
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions:
Abnormity sebific duct sulfidization molding two ends exempt to cut control wall thickness mould, this mould includes core rod 5, upper positioner and the lower positioner that metal material is made, being sulfidization molding portion in the middle part of described core rod, sulfidization molding portion upper and lower end is respectively provided with positioner, lower positioner；Described lower positioner lower end arranges quick clamping device；Described upper positioner and lower positioner are arranged on core rod, constitute core rod assembly；Described quick clamping device 2 is fixed on bogie frame, and core rod assembly can conveniently insert or take out, and facilitates core rod to clean, and when taking product, core rod assembly is securely fixed on quick clamping device, will not rock or be pulled out；Described upper positioner and core rod adopt cone match to carry out radially location, adopt draw-in groove axially to position, set holddown spring in upper positioner, it is ensured that upper positioning sleeve is in impaction state all the time with the core rod conical surface；Described lower positioner and core rod adopt cone match to carry out radially location, draw-in groove is adopted axially to position, holddown spring is set in lower positioner, when quick clamping device is inserted in core rod lower end, steel ball in quick clamping device will embed in the draw-in groove of core rod lower end, and this sets holddown spring in positioner at present and is in compressive state, it is ensured that lower positioning sleeve and the core rod conical surface are in impaction state all the time, thus ensure that the axiality of lower positioning sleeve 14 and core rod 5, reduce sebific duct wall thickness monolateral.
Further, described quick clamping device is by inner sleeve, overcoat, sliding sleeve, spring, steel ball forms, inner sleeve, overcoat is by threaded, sliding sleeve can slide up and down between inner sleeve and overcoat, sliding sleeve lower end arranges holddown spring, inner sleeve ecto-entad bores bellmouth, steel ball is set between sliding sleeve and inner sleeve, steel ball is positioned at bellmouth, by low sleeve, can be easily inserted or extract core rod, after inserting core rod, unclamp sliding sleeve, core rod will be stuck by steel ball, flat is processed in core rod lower end, bottom insertion inner sleeve in flat hole, prevent core rod from rotating, this structure convenient disassembly, it is readily cleaned core rod, safe and reliable, improve production efficiency。
Further, being sulfidization molding part in the middle part of described core rod 5, the conical surface is processed on top, and with upper positioning sleeve 15 cone match, conical surface upper end is the face of cylinder, and the face of cylinder arranges horizontal draw-in groove, and squashed structure is processed in draw-in groove upper end；The conical surface is processed in core rod lower end, and with lower positioning sleeve cone match, conical surface lower end is the face of cylinder, and face of cylinder lateral symmetry arranges longitudinal chute, and chute lower end arranges semicircle horizontal draw-in groove, and squashed structure is processed in core rod bottom。
Further, described upper positioner is made up of overcoat, holddown spring, base upper positioning sleeve, upper positioning sleeve, in upper positioning sleeve, passage is set, the conical surface and core rod cone match, upper positioning sleeve overcoat sets with base threadeds, upper positioning sleeve overcoat cylindrical annular knurl processes, and arranges holddown spring between upper positioning sleeve and base, and base endoporus is processed into flat hole.
Further, described lower positioner is become by lower positioning sleeve, spacing ring, stop screw, compression spring set, in lower positioning sleeve, passage is set, the conical surface and core rod cone match, lower compression spring is set between positioning sleeve and spacing ring, stop screw is arranged on spacing ring, stop screw slides in longitudinal chute that core rod lateral symmetry is arranged, when core rod assembly insertion quick clamping device is pressed downward against, spacing ring presses up along core rod longitudinal direction chute compels compression spring, lower positioning sleeve inner conical surface and the core rod conical surface are adjacent to, it is achieved radially location。
Further, the conical surface at described core rod two ends and the sebific duct at core rod two ends are sulfided into profile must ensure higher axiality, and this directly affects sebific duct wall thickness unilateral case。
Further, the upper positioning sleeve inner conical surface in described upper positioner and upper positioning sleeve molding endoporus, higher axiality must be ensured, upper positioning sleeve inner conical surface must fit tightly with the core rod upper end conical surface, and this directly affects sebific duct wall thickness unilateral case。
Further, described lower positioner, the lower positioning sleeve inner conical surface in lower positioner and lower positioning sleeve molding endoporus, it is ensured that axiality, lower positioning sleeve inner conical surface must fit tightly with the core rod lower end conical surface, and this directly affects sebific duct wall thickness unilateral case。
Further, described all springs must adopt high temperature resistant stainless steel spring, and stop screw adopts stainless steel material。
The present invention adopts the metal die after heating to rubber tube molding, and use front and back positioner to realize rubber tube overall length is positioned, thus eliminating rubber tube terminal to cut operation, zero excision clout produces, stock utilization 100%, has saved material and human resources；Upper and lower positioning sleeve all adopts the conical surface radially location, and pre-set springs compresses, ensure that the upper and lower positioning sleeve conical surface is with the laminating of the core rod conical surface closely, thus ensure that the high-quality of sebific duct wall thickness (monolateral within 0.15mm), internal diameter size precision and end face flatness improve a lot；Employ quick clamping device, convenient disassembly, it is easy to core rod cleans, safe and reliable, efficiently, improves production efficiency, reduces production cost。
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention。
Detailed description of the invention:
For the technological means making the present invention realize, create new feature, reach purpose and be easy to understand with effect, below in conjunction with being specifically illustrating, the present invention is expanded on further。
As shown in Figure 1, cutting mould is exempted from novel high-precision abnormity sebific duct sulfidization molding two ends, and this mould includes core rod 5, upper positioner 4 and the lower positioner 3 that metal material is made, and is sulfidization molding portion in the middle part of core rod 5, sulfidization molding portion upper and lower end is respectively provided with positioner 4, lower positioner 3；Lower positioner 3 lower end arranges quick clamping device 2；Upper positioner 4, lower positioner 3 are arranged on core rod 5, constitute core rod assembly；Quick clamping device 2 is fixed on bogie frame 1, and core rod assembly can conveniently insert or take out, and facilitates core rod 5 to clean, and when taking product, core rod assembly is securely fixed on quick clamping device 2, will not rock or be pulled out；Upper positioner 4 and core rod 5 adopt cone match to carry out radially location, adopt draw-in groove axially to position, set holddown spring 18 in upper positioner 4, it is ensured that upper positioning sleeve 15 is in impaction state all the time with the core rod 5 upper end conical surface, it is prevented that upper positioning sleeve 15 moves axially；Lower positioner 3 and core rod 5 adopt cone match to carry out radially location, draw-in groove is adopted axially to position, holddown spring 18 is set in lower positioner 3, when quick clamping device 2 is inserted in core rod 5 lower end, steel ball in quick clamping device 2 will embed in the draw-in groove of core rod 5 lower end, this sets holddown spring 18 in positioner 3 at present and is in compressive state, ensure that lower positioning sleeve 14 is in impaction state all the time with core rod 5 conical surface, thus ensure that the axiality of lower positioning sleeve 14 and core rod 5, reducing sebific duct wall thickness monolateral. quick clamping device 2 is by inner sleeve 6, overcoat 7, sliding sleeve 10, spring 8, steel ball 9 forms, inner sleeve 6, overcoat 7 is by threaded, sliding sleeve 10 can slide up and down between inner sleeve 6 and overcoat 7, sliding sleeve 10 lower end arranges spring 8, inner sleeve 6 ecto-entad bores bellmouth, steel ball 9 is set between sliding sleeve 10 and inner sleeve 6, steel ball 9 is positioned at bellmouth, by low sleeve 10, can be easily inserted or extract core rod 5, after inserting core rod 5, unclamp sliding sleeve 10, core rod 5 will be stuck by steel ball 9, flat is processed in core rod 5 lower end, bottom insertion inner sleeve 6 in flat hole, prevent core rod 5 from rotating, this structure convenient disassembly, it is readily cleaned core rod 5, safe and reliable, improve production efficiency. for sulfidization molding part in the middle part of core rod 5, the conical surface is processed on top, with upper positioning sleeve 15 cone match, conical surface upper end is the face of cylinder, the face of cylinder arranges horizontal draw-in groove, squashed structure is processed in draw-in groove upper end；The conical surface is processed in core rod 5 lower end, and with lower positioning sleeve 14 cone match, conical surface lower end is the face of cylinder, and face of cylinder lateral symmetry arranges longitudinal chute, and chute lower end arranges semicircle horizontal draw-in groove, and squashed structure is processed in core rod 5 bottom。Upper positioner 4 is made up of upper positioning sleeve 15, upper positioning sleeve overcoat 16, holddown spring 18, base 17, in upper positioning sleeve 15, passage is set, the conical surface and core rod 5 cone match, upper positioning sleeve overcoat 16 sets with base 17 threadeds, upper positioning sleeve overcoat 16 cylindrical annular knurl processes, arranging holddown spring 18 between upper positioning sleeve 15 and base 17, base 17 endoporus is processed into flat hole。Lower positioner 3 is by lower positioning sleeve 14, spacing ring 11, stop screw 13, compression spring 12 forms, in lower positioning sleeve, passage is set, the conical surface and core rod 5 cone match, compression spring 12 is set between lower positioning sleeve 14 and spacing ring 11, stop screw 13 is arranged on spacing ring 11, stop screw 13 slides in longitudinal chute that core rod 5 lateral symmetry is arranged, when core rod assembly insertion quick clamping device 2 is pressed downward against, spacing ring 11 presses up along the longitudinal chute of core rod 5 compels compression spring 12, lower positioning sleeve 14 inner conical surface and core rod 5 conical surface are adjacent to, realize radially location。The conical surface at core rod 5 two ends and the sebific duct at core rod 5 two ends are sulfided into profile must ensure higher axiality, this directly affects sebific duct wall thickness unilateral case. above upper positioning sleeve 15 inner conical surface in positioner 4 and upper positioning sleeve molding endoporus, higher axiality must be ensured, upper positioning sleeve 15 inner conical surface must fit tightly with the core rod 5 upper end conical surface, and this directly affects sebific duct wall thickness unilateral case。Lower positioning sleeve 14 inner conical surface in lower positioner 3 and lower positioning sleeve molding endoporus, higher axiality must be ensured, in lower positioning sleeve, 14 conical surfaces must fit tightly with the core rod 5 lower end conical surface, this directly affects sebific duct wall thickness unilateral case. and all springs must adopt high temperature resistant stainless steel spring, and stop screw 13 adopts stainless steel material。
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described。Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention。Claimed scope is defined by appending claims and equivalent thereof。
Claims (8)
1. abnormity sebific duct sulfidization molding two ends exempt to cut control wall thickness mould, it is characterized in that: this mould includes core rod that metal material makes and upper positioner and lower positioner, being sulfidization molding portion in the middle part of described core rod, sulfidization molding portion upper and lower end is respectively provided with positioner, lower positioner；Described lower positioner lower end arranges quick clamping device；Described upper positioner and lower positioner are arranged on core rod, constitute core rod assembly；Described quick clamping device is fixed on bogie frame, and core rod assembly can conveniently insert or take out, and facilitates core rod to clean, and when taking product, core rod assembly is securely fixed in quick clamping device, will not rock or be pulled out；Described upper positioner and core rod adopt cone match to carry out radially location, adopt draw-in groove axially to position, set holddown spring in upper positioner, it is ensured that upper positioning sleeve is in impaction state all the time with the core rod conical surface；Described lower positioner and core rod adopt cone match to carry out radially location, draw-in groove is adopted axially to position, holddown spring is set in lower positioner, when quick clamping device is inserted in core rod lower end, steel ball in quick clamping device will embed in the draw-in groove of core rod lower end, this sets holddown spring in positioner at present and is in compressive state, it is ensured that lower positioning sleeve and the core rod conical surface are in impaction state all the time。
2. abnormity sebific duct sulfidization molding two ends according to claim 1 exempt to cut control wall thickness mould, it is characterized in that: described quick clamping device is by inner sleeve, overcoat, sliding sleeve, spring, steel ball forms, inner sleeve, overcoat is by threaded, sliding sleeve can slide up and down between inner sleeve and overcoat, sliding sleeve lower end arranges holddown spring, inner sleeve ecto-entad bores bellmouth, steel ball is set between sliding sleeve and inner sleeve, steel ball is positioned at bellmouth, by low sleeve, can be easily inserted or extract core rod, after inserting core rod, unclamp sliding sleeve, core rod will be stuck by steel ball, flat is processed in core rod lower end, bottom insertion inner sleeve in flat hole, prevent core rod from rotating。
3. abnormity sebific duct sulfidization molding two ends according to claim 1 exempt to cut control wall thickness mould, it is characterized in that: for sulfidization molding part in the middle part of described core rod, the conical surface is processed on top, with upper positioning sleeve cone match, conical surface upper end is the face of cylinder, arranging horizontal draw-in groove on the face of cylinder, squashed structure is processed in draw-in groove upper end；The conical surface is processed in core rod lower end, and with lower positioning sleeve cone match, conical surface lower end is the face of cylinder, and face of cylinder lateral symmetry arranges longitudinal chute, and chute lower end arranges semicircle horizontal draw-in groove, and squashed structure is processed in core rod bottom。
4. abnormity sebific duct sulfidization molding two ends exempt to cut control wall thickness mould according to claim 1, it is characterized in that: described upper positioner is made up of upper positioning sleeve, upper positioning sleeve overcoat, holddown spring, base, in upper positioning sleeve, passage is set, the conical surface and core rod cone match, upper positioning sleeve overcoat sets with base threadeds, upper positioning sleeve overcoat cylindrical annular knurl processes, and arranges holddown spring between upper positioning sleeve and base, and base endoporus is processed into flat hole。
5. abnormity sebific duct sulfidization molding two ends according to claim 1 exempt to cut control wall thickness mould, it is characterized in that: described lower positioner is by lower positioning sleeve, spacing ring, stop screw, compression spring set becomes, in lower positioning sleeve, passage is set, the conical surface and core rod cone match, lower compression spring is set between positioning sleeve and spacing ring, stop screw is arranged on spacing ring, stop screw slides in longitudinal chute that core rod lateral symmetry is arranged, when core rod assembly insertion quick clamping device is pressed downward against, spacing ring presses up along core rod longitudinal direction chute compels compression spring, lower positioning sleeve inner conical surface and the core rod conical surface are adjacent to, realize radially location。
6. abnormity sebific duct sulfidization molding two ends according to claim 3 exempt to cut control wall thickness mould, it is characterised in that: the conical surface at described core rod two ends and the sebific duct at core rod two ends are sulfided into profile and ensure axiality。
7. abnormity sebific duct sulfidization molding two ends according to claim 4 exempt to cut control wall thickness mould, it is characterized in that: described upper positioner, upper positioning sleeve inner conical surface in upper positioner and upper positioning sleeve molding endoporus, ensureing axiality, upper positioning sleeve inner conical surface and the core rod upper end conical surface fit tightly。
8. abnormity sebific duct sulfidization molding two ends according to claim 5 exempt to cut control wall thickness mould, it is characterized in that: described lower positioner, lower positioning sleeve inner conical surface in lower positioner and lower positioning sleeve molding endoporus, ensureing axiality, lower positioning sleeve inner conical surface and the core rod lower end conical surface fit tightly。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184866.1A CN105690617A (en) | 2016-03-24 | 2016-03-24 | Two-end-cutting-free and wall thickness-controlling mould for vulcanization molding of special-shaped rubber pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184866.1A CN105690617A (en) | 2016-03-24 | 2016-03-24 | Two-end-cutting-free and wall thickness-controlling mould for vulcanization molding of special-shaped rubber pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105690617A true CN105690617A (en) | 2016-06-22 |
Family
ID=56233059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610184866.1A Withdrawn CN105690617A (en) | 2016-03-24 | 2016-03-24 | Two-end-cutting-free and wall thickness-controlling mould for vulcanization molding of special-shaped rubber pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105690617A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110177680A (en) * | 2016-12-06 | 2019-08-27 | 米其林集团总公司 | Mould element for the tire-mold including removable insert |
| CN110883997A (en) * | 2019-12-04 | 2020-03-17 | 安徽中鼎胶管制品有限公司 | Rubber tube vulcanization mould utensil |
-
2016
- 2016-03-24 CN CN201610184866.1A patent/CN105690617A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110177680A (en) * | 2016-12-06 | 2019-08-27 | 米其林集团总公司 | Mould element for the tire-mold including removable insert |
| CN110883997A (en) * | 2019-12-04 | 2020-03-17 | 安徽中鼎胶管制品有限公司 | Rubber tube vulcanization mould utensil |
| CN110883997B (en) * | 2019-12-04 | 2023-06-09 | 安徽特思通管路技术有限公司 | Rubber tube vulcanization mold |
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| PB01 | Publication | ||
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Application publication date: 20160622 |