CN211390048U - Rubber sealing strip extrusion die - Google Patents
Rubber sealing strip extrusion die Download PDFInfo
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- CN211390048U CN211390048U CN201922117328.2U CN201922117328U CN211390048U CN 211390048 U CN211390048 U CN 211390048U CN 201922117328 U CN201922117328 U CN 201922117328U CN 211390048 U CN211390048 U CN 211390048U
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Abstract
The utility model discloses a rubber seal strip extrusion tooling, including mutual coincide and fixed connection's first template, second template, third template, fourth template and feed plate in proper order, the middle part of first template has the chamber of extruding the same with the cross sectional shape of sealing strip, and the middle part of second template, third template, fourth template and feed plate all has the feeding chamber. The mold of the utility model is provided with a plurality of flow channels, which can be used with a machine head with a plurality of feed inlets, thus improving the fluidity of the rubber material and the product quality; the mold adopts a split template design, and the split template can be used for conveniently processing a plurality of runners, so that the processing cost is reduced; the modularization of mould can be realized to the template of components of a whole that can function independently, to the similar mould in some cross-sections, only needs to change first template, and other templates of mould can both be general, reduction cost that can be very big to be of value to the management and control of mould, kill many birds with one stone.
Description
Technical Field
The utility model belongs to the technical field of extrusion equipment, especially, relate to a rubber seal strip extrusion tooling.
Background
In the production and processing, the extrusion processing is a method with a wider application range, and can be used for processing plastic parts, rubber parts and metal parts, and the extrusion processing is to use an extruder to realize the extrusion molding of various products by matching with various extruder heads; nowadays, the automobile market is increasingly huge, the production and processing requirements of automobile parts are huge, for example, an automobile sealing strip is a small part, but the quality of the automobile sealing strip is directly related to the sealing of an automobile door, and the usage amount of the automobile sealing strip is large;
when the rubber sealing strip is extruded by an extruder, due to the viscosity characteristic of rubber sizing materials, the rubber sealing strip has higher requirements on the extruding force of the extruder and has higher requirements on the precision of an extruder head and an extruding mould, in the prior art, only one extruding cavity (or called as an extruding flow channel) of rubber is arranged for a part with only one cross-section cavity, but for a part with a more complex cross-section shape, the flowing of the rubber sizing materials may not be smooth, air holes are easily formed after the part is extruded, and the product is rejected badly;
in addition, the extrusion die is internally provided with flow channels which are basically shaped, so the processing is troublesome, and the extruded products have high section similarity of a plurality of products, namely the flow channels of the products can be designed in the same way, so the manufacturing cost is high and unnecessary waste is caused if each product is independently prepared into the extrusion die.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a rubber sealing strip extrusion die, a plurality of flow channels are arranged in the die, and the rubber sealing strip extrusion die can be used by matching with a machine head with a plurality of feed inlets, thereby improving the fluidity of rubber materials and improving the product quality; the mold adopts a split template design, and the split template can be used for conveniently processing a plurality of runners, so that the processing cost is reduced; the modularization of mould can be realized to the template of components of a whole that can function independently, to the similar mould in some cross-sections, only need to change first template (actually just trade a shape of extruding the chamber, other templates of mould can both be general, reduction cost that can be very big to be of value to the management and control of mould, kill many birds with one stone.
In order to solve the technical problem, the utility model discloses a technical scheme of adoption as follows:
a rubber sealing strip extrusion die comprises a first die plate, a second die plate, a third die plate, a fourth die plate and a feeding plate which are mutually overlapped and fixedly connected in sequence, wherein the middle of the first die plate is provided with an extrusion cavity with the same cross section shape as that of a sealing strip, the middle of the second die plate, the middle of the third die plate, the middle of the fourth die plate and the middle of the feeding plate are provided with feeding cavities, and the feeding cavities are in a horn shape gradually increasing from the second die plate to the feeding plate;
the framework seat is inserted into the feeding cavity of the second template from the feeding cavity of the feeding plate, the shape of the insertion end of the framework seat is matched with that of the feeding cavity, and a framework cavity for penetrating through the metal framework of the sealing strip is formed in the framework seat;
one end, far away from the fourth template, of the feeding plate is provided with a first feeding hole, and the first feeding hole is communicated with the feeding cavity.
Further, the lateral wall of feed plate still has a plurality of feed inlets, second template, third template and fourth template all have the runner that runs through its face, the quantity of runner with the feed inlet one-to-one, and every the both ends of runner communicate its feed inlet that corresponds respectively with extrude the chamber.
Further, the lateral wall of feed plate has second feed inlet and third feed inlet, second template, third template and fourth template all have the second runner and the third runner that run through its face, the both ends of second runner communicate respectively the second feed inlet with extrude the chamber, the both ends of third runner communicate respectively the third feed inlet with extrude the chamber.
Furthermore, the side wall of the feeding plate is provided with a fourth feeding hole and a fifth feeding hole, and the second template, the third template and the fourth template are provided with a fourth flow channel and a fifth flow channel which penetrate through the surfaces of the second template, the third template and the fourth template.
Further, the extrusion die is of a cylindrical structure.
The extruder head further comprises a connecting seat, one end of the connecting seat is fixedly connected to the framework seat, the other end of the connecting seat extends out of the framework seat, and the extending end of the connecting seat is clamped to the extruder head.
Further, the other end of connecting seat has the joint groove, the joint groove is for following the recess that the periphery of connecting seat set up, the extruder head is equipped with spring plunger, spring plunger joint in the joint groove.
The utility model has the advantages that:
the utility model discloses an extrusion tooling adopts the template design of components of a whole that can function independently (divide into 5 templates altogether), and extrusion tooling can cooperate the aircraft nose that has a plurality of feed inlets to use (a plurality of feed inlets mean that the aircraft nose can cooperate a plurality of extruders to use, realizes the bull feed), can process out a plurality of runners through the template of 5 components of a whole that can function independently to guide rubber material into the extrusion chamber of mould, and then extrude the product, 5 templates make the processing of runner more convenient;
the split templates can realize the modularization of the die, and for some dies with similar sections, only the first template needs to be replaced, namely the shape of an extrusion cavity is actually replaced, and other templates of the die can be universal, so that the cost can be greatly reduced, the management and control of the die are facilitated, and multiple purposes are achieved;
the die is also provided with a skeleton seat for placing a metal skeleton of the product, and the metal skeleton extends out at the same speed as the extrusion speed, so that the rubber sealing strip with the metal skeleton is prepared; the die comprises a connecting seat, wherein the extending end of the connecting seat is clamped on an extruder head through a spring plunger, and the clamping form is convenient for the installation and the positioning of the die.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic view of the overall structure of the extrusion die of the present invention;
fig. 2 is an exploded view of the extrusion die of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 1 (hiding the skeleton mount and the attachment mount);
FIG. 4 is a sectional view taken along line A-A of FIG. 1;
fig. 5 is a schematic structural view of a fourth template of the present invention;
FIG. 6 is a sectional view taken along line B-B of FIG. 1;
the parts in the drawings are marked as follows:
a first die plate 1 and an extrusion cavity 11;
a second die plate 2, a feeding cavity 22;
a third template 3, a second flow passage 31, a third flow passage 32, a fourth flow passage 33, and a fifth flow passage 34;
a fourth template 4 and a drainage groove 41;
a feed plate 5, a first feed opening 51, a second feed opening 52, a third feed opening 53, a fourth feed opening 54, and a fifth feed opening 55;
a skeleton mount 6, a skeleton cavity 61;
a connecting base 7 and a catching groove 71.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Example (b): a rubber weather strip extrusion die, as shown in fig. 1 to 6: the sealing strip feeding device comprises a first template 1, a second template 2, a third template 3, a fourth template 4 and a feeding plate 5 which are mutually overlapped and fixedly connected in sequence, wherein the middle part of the first template is provided with an extrusion cavity 11 with the same cross section shape as that of a sealing strip, the middle parts of the second template, the third template, the fourth template and the feeding plate are provided with feeding cavities 22, the shapes of the feeding cavities are similar to those of the extrusion cavity, and the feeding cavities are horn-shaped structures gradually increasing from the second template to the feeding plate;
the sealing strip metal framework structure is characterized by further comprising a framework seat 6, wherein the framework seat is inserted into the feeding cavity of the second template from the feeding cavity of the feeding plate, the shape of the insertion end of the framework seat is matched with that of the feeding cavity, (as the feeding cavity is in a horn shape which is gradually enlarged, the middle cavity wall of the feeding cavity is replaced by the framework seat, and the framework seat and the feeding cavity form a first flow channel) and a framework cavity 61 for penetrating through a sealing strip metal framework is arranged in the framework seat;
one end of the feeding plate, which is far away from the fourth template, is provided with a first feeding hole 51, and the first feeding hole is communicated with the feeding cavity;
the utility model discloses an extrusion tooling adopts the template design of components of a whole that can function independently, this embodiment divide into 5 templates altogether, extrusion tooling can cooperate the aircraft nose that has a plurality of feed inlets to use (a plurality of feed inlets refer to the aircraft nose can cooperate a plurality of extruders to use, realize the bull feed), can process out a plurality of runners through the template of 5 components of a whole that can function independently, thereby guide rubber glue material into the extrusion chamber of mould, and then extrude the product, 5 templates make the processing of runner more convenient, and the modularization of mould can be realized to the template of components of a whole that can function independently, to some moulds that are similar in cross-section, only need to change first template, the shape in chamber is extruded to actually changing, other templates of mould can all be general, can very big reduce cost, and be favorable to the management and control of mould, kill many;
and the mould is also provided with a framework seat for placing the metal framework of the product, and the metal framework extends out at the same speed as the extrusion speed, so that the rubber sealing strip with the metal framework is prepared.
The side wall of the feeding plate is also provided with a plurality of feeding holes, the second template, the third template and the fourth template are provided with runners penetrating through the plate surfaces of the second template, the third template and the fourth template, the number of the runners corresponds to that of the feeding holes one by one, and two ends of each runner are respectively communicated with the corresponding feeding hole and the corresponding extrusion cavity;
the utility model discloses an extrusion tooling can cooperate the aircraft nose that has many feed inlets to use, improves the feeding smoothness nature of gluing the material, improves the extrusion quality of product.
Furthermore, four feeding holes are provided in this embodiment, the side wall of the feeding plate is provided with a second feeding hole 52 and a third feeding hole 53, the second template, the third template and the fourth template are all provided with a second flow channel 31 and a third flow channel 32 (the first flow channel is not described in this embodiment, and actually the first flow channel is a feeding cavity 22) which penetrate through the plate surface, two ends of the second flow channel are respectively communicated with the second feeding hole and the extrusion cavity, and two ends of the third flow channel are respectively communicated with the third feeding hole and the extrusion cavity;
in this embodiment, the second feeding port and the third feeding port are disposed oppositely (on opposite sides of the feeding plate), but the positions of the second flow channel and the third flow channel, which are communicated with the extrusion chamber, are close to each other, so as shown in fig. 5: the face of the fourth die plate has a drainage slot 41 for directing the second flow passage to the same side as the third flow passage, i.e. the drainage slot 41 is also part of the second flow passage 31.
The lateral wall of feed plate has fourth feed inlet 54 and fifth feed inlet 55, second template, third template and fourth template all have and run through fourth runner 33 and fifth runner 34 of its face, and is similar with second feed inlet and third feed inlet, and more feed inlets and runners are favorable to the mobility of gluing the material more, further improve the quality of extrusion product.
In a preferred embodiment, the extrusion die is of cylindrical configuration.
Still include connecting seat 7, the one end fixed connection of connecting seat in the skeleton seat, just the other end of connecting seat stretches out the skeleton seat, the end joint that stretches out of connecting seat is in extruder head, and the extruder head is the part of connecting the extruder, and extrusion tooling installs in the extruder head.
The other end of connecting seat has joint groove 71, the joint groove is for following the recess that the periphery of connecting seat set up, the extruder head is equipped with spring plunger, spring plunger joint in the joint groove, spring plunger also is called the bulb plunger, for the standard part that is used for the location, the installation location of the convenient mould of form of joint.
The utility model discloses a working process and theory of operation as follows:
the extrusion die adopts a split die plate design (the embodiment is divided into 5 die plates), the extrusion die can be matched with a machine head with a plurality of feed inlets for use (the plurality of feed inlets refer to that the machine head can be matched with a plurality of extruders for use, so that multi-head feeding is realized), as shown in the flowing direction of the rubber material shown in figure 4, the rubber material is guided into an extrusion cavity of the die, and then a product is extruded, and the processing of a flow channel is more convenient due to the 5 die plates;
the split templates can realize the modularization of the die, and for some dies with similar sections, only the first template needs to be replaced, namely the shape of an extrusion cavity is actually replaced, and other templates of the die can be universal, so that the cost can be greatly reduced, the management and control of the die are facilitated, and multiple purposes are achieved;
the die is also provided with a skeleton seat for placing a metal skeleton of the product, and the metal skeleton extends out at the same speed as the extrusion speed, so that the rubber sealing strip with the metal skeleton is prepared; the die comprises a connecting seat, wherein the extending end of the connecting seat is clamped on an extruder head through a spring plunger, and the clamping form is convenient for the installation and the positioning of the die.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (7)
1. The utility model provides a rubber seal strip extrusion tooling which characterized in that: the sealing strip sealing device comprises a first template (1), a second template (2), a third template (3), a fourth template (4) and a feeding plate (5) which are mutually overlapped and fixedly connected in sequence, wherein the middle part of the first template is provided with an extrusion cavity (11) with the same cross section shape as that of a sealing strip, the middle parts of the second template, the third template, the fourth template and the feeding plate are provided with feeding cavities, and the feeding cavities are in a horn shape gradually increasing from the second template to the feeding plate;
the sealing strip metal framework structure is characterized by further comprising a framework seat (6), wherein the framework seat is inserted into the feeding cavity of the second template from the feeding cavity of the feeding plate, the shape of the insertion end of the framework seat is matched with that of the feeding cavity, and a framework cavity (61) for penetrating through a sealing strip metal framework is formed in the framework seat;
one end of the feeding plate, which is far away from the fourth template, is provided with a first feeding hole (51), and the first feeding hole is communicated with the feeding cavity.
2. The rubber weather strip extrusion die of claim 1, wherein: the lateral wall of feed plate still has a plurality of feed inlets, second template, third template and fourth template all have the runner that runs through its face, the quantity of runner with the feed inlet one-to-one, and every the both ends of runner communicate its feed inlet that corresponds respectively with extrude the chamber.
3. The rubber weather strip extrusion die of claim 2, wherein: the lateral wall of feed plate has second feed inlet (52) and third feed inlet (53), second template, third template and fourth template all have second runner (31) and third runner (32) that run through its face, the both ends of second runner communicate respectively the second feed inlet with extrude the chamber, the both ends of third runner communicate respectively the third feed inlet with extrude the chamber.
4. The rubber weather strip extrusion die of claim 2, wherein: the side wall of the feeding plate is provided with a fourth feeding hole (54) and a fifth feeding hole (55), and the second template, the third template and the fourth template are provided with a fourth flow passage (33) and a fifth flow passage (34) which penetrate through the plate surface.
5. The rubber weather strip extrusion die of claim 1, wherein: the extrusion die is of a cylindrical structure.
6. The rubber weather strip extrusion die of claim 1, wherein: the extruder head fixing device is characterized by further comprising a connecting seat (7), one end of the connecting seat is fixedly connected to the framework seat, the other end of the connecting seat extends out of the framework seat, and the extending end of the connecting seat is clamped to the extruder head.
7. The rubber weather strip extrusion die of claim 6, wherein: the other end of connecting seat has joint groove (71), the joint groove is for following the recess that the periphery of connecting seat set up, the extruder head is equipped with spring plunger, spring plunger joint in the joint groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117328.2U CN211390048U (en) | 2019-12-02 | 2019-12-02 | Rubber sealing strip extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117328.2U CN211390048U (en) | 2019-12-02 | 2019-12-02 | Rubber sealing strip extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211390048U true CN211390048U (en) | 2020-09-01 |
Family
ID=72227423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922117328.2U Expired - Fee Related CN211390048U (en) | 2019-12-02 | 2019-12-02 | Rubber sealing strip extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211390048U (en) |
-
2019
- 2019-12-02 CN CN201922117328.2U patent/CN211390048U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20211202 |