CN201456374U - Rubber sealing strip extrusion die - Google Patents
Rubber sealing strip extrusion die Download PDFInfo
- Publication number
- CN201456374U CN201456374U CN2009201105310U CN200920110531U CN201456374U CN 201456374 U CN201456374 U CN 201456374U CN 2009201105310 U CN2009201105310 U CN 2009201105310U CN 200920110531 U CN200920110531 U CN 200920110531U CN 201456374 U CN201456374 U CN 201456374U
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- rubber
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- extrusion die
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- die
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Abstract
A rubber sealing strip extrusion die comprises a feeding nozzle, a discharge nozzle, two guide communicating cavities, a position adjustable die core and an adjusting control device. The adjusting control device which can adjust height of the position adjusting die core in a rubber flowing direction corresponding to a die plate comprises a movable rod, a fixing rod and a push device, wherein the movable rod is connected with a cross section reshaping device, the fixing rod is fixedly connected with the feeding nozzle or the guide communicating cavities, the push device adjusts position of the movable rod, and the push device comprises an eccentric cam and a projection arranged on the movable rod. The eccentric cam in the sealing strip extrusion die has characteristics of being capable of transforming rotation movement into linear movement, and then the position adjustable die core or a cutting tool in the die can reciprocate according to needs during a working process. In addition, the position adjustable die core with controllable movement speed or the cutting tool guarantees that change of cross sections of sponge foams can meet requirements of gradual change.
Description
Technical field
The utility model relates to a kind of mould, relates in particular to a kind of rubber weather strip extrusion die.
Background technology
Existing variable cross-section rubber weather strip extrusion die; its principle mainly is that length-measuring appliance by the metallic framework porch is to microcomputer, PLC or other automatic control device input signals; by the cylinder or the mechanical device action at microcomputer, PLC or other automatic control device output signals control mouthful mould place, the production of extruding of variable cross-section sealing strip is carried out in the action that is driven many lobes mouth mould or cutting tool by cylinder or mechanical device.But this mould is extruded production variable cross-section sealing strip its limitation is arranged: owing to the own reason of cylinder or mechanical device; under it drives; the action of many lobes mouth mould or cutting tool is gradual to be restricted; action or even sudden change, also powerless for this mould of variable cross-section product that requires gradual change.The A4 door opening sealing strip of Bora automobile for example, its by retained part 12, discontinuously scratch part 15, sponge bubble hermetic unit 11, and the retained part that rubber part 14, steel core skeleton 13 are composited combines, and requires discontinuous scratching at retained part.This sealing strip adopts general extrusion die production, is to drive the cutting tool action by the cylinder under the PLC control to realize that sealing strip is discontinuous and scratch that extrusion die itself can not be realized the variation of section controllable shape after sealing strip goes out extrusion die.
Summary of the invention
The purpose of this utility model is exactly the technical problem that the rubber weather strip extrusion die that overcomes prior art can not be controlled gradient ramp, proposes a kind of extrusion die that can satisfy rubber weather strip gradual change requirement.
For solving the problems of the technologies described above, a kind of rubber weather strip extrusion die of the present utility model comprises:
Feed nozzle, described feed nozzle is connected with the rubber extrusion device, in order to rubber and the sponge bubble that receives flow regime;
The discharging mouth, described discharging mouth is connected with template;
Article two, water conservancy diversion cavity, two described water conservancy diversion cavities connect described feed nozzle and described discharging mouth, respectively the rubber of the described flow regime of water conservancy diversion and sponge bubble;
The cross section retrofit device, described cross section retrofit device can be adjusted the cross sectional shape of described rubber weather strip;
Adjust control device, described adjustment control device can be adjusted described position-adjustable core rod with respect to the height of described template on the rubber flow direction, and it comprises: the motion bar that is connected with described cross section retrofit device, the fixed bar that is fixedly connected with described feed nozzle or described water conservancy diversion cavity, the thrust unit of regulating described motion bar position;
Described thrust unit comprises: relative static, the eccentric cam that direction of rotation is vertical with described fixed bar with described fixed bar of pivot; Be arranged on the projection on the described motion bar, this projection is suitable for being subjected to the rotation of described eccentric cam to drive described die cavity retrofit device moving.
Described cross section retrofit device comprises the position-adjustable core rod, described position-adjustable core rod is the frustum structure, its be arranged in the die cavity of described template and and around described template between have the gap, described position-adjustable core rod is moving on the rubber flow direction under the effect of described adjustment control device.
Described cross section retrofit device comprises from the cutting tool of the peripheral cutting sealing bar of described die cavity, remodeling cross sectional shape, and described cutting tool is moving on the vertical direction flowing with rubber under the effect of described adjustment control device.
Described eccentric cam is the Archimedes spiral wheel.
Technique scheme of the present utility model has the following advantages compared to existing technology:
Sealing strip extrusion die of the present utility model, eccentric cam wherein has can change straight-line characteristics with rotatablely moving into, determined that position-adjustable core rod or the cutting tool in the mould can move reciprocatingly in the course of the work as required, this movement velocity is controllable regulates core rod or cutting tool and has guaranteed that the variation in sponge bubble cross section can satisfy the requirement of gradual change.
When sealing strip extrusion die of the present utility model, eccentric cam were the Archimedes spiral wheel, it can change rotational motion into linear uniform motion, and the movement range of core rod or cutting tool can be regulated in easier control position.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the A4 door opening sealing strip schematic cross-section of Bora automobile;
A kind of schematic cross-section of door opening sealing strip that Fig. 2 is to use utility model variable cross-section extrusion die to produce;
Another schematic cross-section of door opening sealing strip that Fig. 3 is to use utility model variable cross-section extrusion die to produce;
Fig. 4 is a variable cross-section extrusion die perspective view of the present utility model;
Each label list is shown in the accompanying drawing: 11. sponges bubble hermetic unit; 12. retained part; 13. steel core skeleton; 14. rubber part; 15. the discontinuous part of scratching; 21. rubber part; 22. steel core skeleton; 23. retained part; 24. sponge bubble hermetic unit; 31. rubber; 32. steel core skeleton; 33. retained part; 34. sponge bubble hermetic unit; 35. sponge bubble changing unit; 41. position-adjustable core rod; 42. motion bar; 43. power transmission shaft; 44. eccentric cam; 45. fixed bar; 46. feed nozzle; 47. lower bolster; 48. projection; 49. water conservancy diversion cavity; 410. template; 411. die cavity; 412. discharging mouth; 51. cutting tool; 52. motion bar; 53. power transmission shaft; 54. eccentric cam; 55. fixed bar; 56. feed nozzle; 57. lower bolster; 58. projection; 59. water conservancy diversion cavity; 510. template; 511. die cavity; 512. discharging mouth.
The specific embodiment
Fig. 4 has shown a kind of concrete embodiment of the present utility model, and a kind of variable cross-section rubber weather strip extrusion die comprises: feed nozzle 46, and 412, two water conservancy diversion cavities 49 of discharging mouth, position-adjustable core rod 41 is adjusted control device.Described feed nozzle 46 is connected with the rubber extrusion device, in order to rubber and the sponge bubble that receives flow regime; Described discharging mouth 412 is connected with template 410; Article two, described water conservancy diversion cavity 49 connects described feed nozzle 46 and described discharging mouth 412, respectively the rubber of the described flow regime of water conservancy diversion and sponge bubble; Described position-adjustable core rod 41 is the frustum structure, its be arranged in the die cavity 411 of described template 410 and and around described template 410 between have the gap; Described adjustment control device can be adjusted described position-adjustable core rod 41 with respect to the height of described template 410 on the rubber flow direction, and it comprises: the fixed bar 45 that is fixedly connected with described feed nozzle 46; Be connected, be sleeved on motion bar 42 on the described fixed bar 45 with position-adjustable core rod 41; Regulate the thrust unit of position between described motion bar 42 and the described fixed bar 45.Described thrust unit comprises: by the power transmission shaft 43 of driven by servomotor, the eccentric cam 44 that is connected with described power transmission shaft 43, and be arranged at described motion bar 42 take turns 42 contacted protruding 48 with described Archimedes spiral.Described feed nozzle 46 upper surfaces are connected with lower bolster 47; Described eccentric cam 44 is the Archimedes spiral wheel.
Fig. 2 and Fig. 3 have shown the door opening sealing strip cross section of two kinds of different cross section shapes respectively, and wherein, the door opening sealing strip that Fig. 2 shows is made up of rubber part 21, steel core skeleton 22, retained part 23, sponge bubble hermetic unit 24; The door opening sealing strip that Fig. 3 shows is made up of rubber part 31, steel core skeleton 32, retained part 33, sponge bubble hermetic unit 34 and sponge bubble changing unit 35. wherein the bubble of the sponge among Fig. 3 changing unit 35 promptly be through can regulate core rod 41 adjusted its with around template 410 between have the gap after, steep part with the sponge of generation changes of section in the door opening sealing strip of producing of comparing shown in Figure 2. the variation of this inner section and adjustment are that existing extrusion die can't be realized.
Sealing strip variable cross-section extrusion die in the present embodiment mainly comprises the retained part profiled part that sponge bubble hermetic unit profiled part and rubber, steel core skeleton are composited.Sponge soaks the key component that the type parts are these moulds, mainly form by servomotor, power transmission shaft, Archimedes spiral wheel, position-adjustable core rod, position-adjustable core rod and template etc., all can be movable when these parts are worked except that position-adjustable core rod, template.During work, the driven by servomotor power transmission shaft of PLC control rotates, and the Archimedes spiral wheel that drives the power transmission shaft other end is with same angular speed motion; In the time of the rotation of Archimedes spiral wheel, power is passed to the position-adjustable core rod, change the power direction of transfer simultaneously, change straight reciprocating motion up and down by rotatablely moving into by the motion bar that links to each other up and down with it.Can regulate core rod at die location and move up and down in the process, the inclined-plane in the movable core rod regulated exit and the template inclined-plane of external stability can form the different profiled section of thickness, thereby realize extruding the changes of section of sealing strip product section.
Fig. 5 has shown the embodiment that another is concrete, motion bar 52 in the present embodiment, power transmission shaft 53, eccentric cam 54, fixed bar 55, feed nozzle 56, lower bolster 57, projection 58, water conservancy diversion cavity 59, template 510, die cavity 511 and discharging mouth 512 are equivalent to position-adjustable core rod 41, motion bar 42, power transmission shaft 43, eccentric cam 44, fixed bar 45, feed nozzle 46, lower bolster 47, projection 48, water conservancy diversion cavity 49, template 410, die cavity 411 and discharging mouth 412 in the embodiment that Fig. 4 shows respectively.Its difference is, position-adjustable core rod 41 is not set, but cutting tool 51 has been connected on the described motion bar 52.Described cutting tool 51 is by the peripheral cutting sealing bar of die cavity, remodeling cross sectional shape, and this cutting tool 51 is moving on the vertical direction flowing with rubber under the effect of described adjustment control device.The rubber weather strip extrusion die of present embodiment can be by with the rotational motion of described eccentric cam 54, passes to described cutting tool 51 by described protruding 54, and makes it do rectilinear motion, realizes the shape of controllable cutting rubber weather strip.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (4)
1. a rubber weather strip extrusion die is characterized in that, comprising:
Feed nozzle (46,56), described feed nozzle (46,56) is connected with the rubber extrusion device, in order to rubber and the sponge bubble that receives flow regime;
Discharging mouth (412,512), described discharging mouth (412,512) connects with template (410,510);
Article two, water conservancy diversion cavity (49,59), two described water conservancy diversion cavities (49,59) connect described feed nozzle (46,56) and described discharging mouth (412,512), respectively the rubber of the described flow regime of water conservancy diversion and sponge bubble;
The cross section retrofit device, described cross section retrofit device can be adjusted the cross sectional shape of described rubber weather strip;
Adjust control device, described adjustment control device can be adjusted described position-adjustable core rod (41) with respect to described template (410,510) height on the rubber flow direction, it comprises: the motion bar (42 that is connected with described cross section retrofit device, 52), the fixed bar (45 that is fixedly connected with described feed nozzle (46,56) or described water conservancy diversion cavity (49,59), 55), regulate the thrust unit of described motion bar (42,52) position;
Described thrust unit comprises: pivot and described fixed bar (45,55) are static relatively, direction of rotation and the vertical eccentric cam (44,54) of described fixed bar (45,55); Be arranged on the projection (48,58) on the described motion bar (42,52), this projection (48,58) is suitable for being subjected to the rotation of described eccentric cam (44,54) to drive described die cavity retrofit device motion.
2. extrusion die according to claim 1, it is characterized in that, described cross section retrofit device comprises position-adjustable core rod (41), described position-adjustable core rod (41) is the frustum structure, its be arranged in the die cavity (411) of described template (410) and and around described template (410) between have the gap, described position-adjustable core rod (41) is moving on the rubber flow direction under the effect of described adjustment control device.
3. extrusion die according to claim 1, it is characterized in that, described cross section retrofit device comprises from the cutting tool (51) of the peripheral cutting sealing bar of described die cavity, remodeling cross sectional shape, and described cutting tool (51) is moving on the vertical direction flowing with rubber under the effect of described adjustment control device.
4. according to the arbitrary described extrusion die of claim 1 to 3, it is characterized in that described eccentric cam (44,54) is the Archimedes spiral wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201105310U CN201456374U (en) | 2009-07-31 | 2009-07-31 | Rubber sealing strip extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201105310U CN201456374U (en) | 2009-07-31 | 2009-07-31 | Rubber sealing strip extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201456374U true CN201456374U (en) | 2010-05-12 |
Family
ID=42383727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201105310U Expired - Lifetime CN201456374U (en) | 2009-07-31 | 2009-07-31 | Rubber sealing strip extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201456374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225614A (en) * | 2011-06-07 | 2011-10-26 | 北京万源瀚德汽车密封系统有限公司 | Extrusion die and process for producing flocked sealing strip |
-
2009
- 2009-07-31 CN CN2009201105310U patent/CN201456374U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225614A (en) * | 2011-06-07 | 2011-10-26 | 北京万源瀚德汽车密封系统有限公司 | Extrusion die and process for producing flocked sealing strip |
| CN102225614B (en) * | 2011-06-07 | 2013-07-17 | 北京万源瀚德汽车密封系统有限公司 | Extrusion die and process for producing flocked sealing strip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
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| CX01 | Expiry of patent term |