CN212764666U - Silicone rubber screw extruder - Google Patents
Silicone rubber screw extruder Download PDFInfo
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- CN212764666U CN212764666U CN202021244008.XU CN202021244008U CN212764666U CN 212764666 U CN212764666 U CN 212764666U CN 202021244008 U CN202021244008 U CN 202021244008U CN 212764666 U CN212764666 U CN 212764666U
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Abstract
The utility model relates to a silicon rubber screw extruder, which comprises a base, a silicon rubber extruding device and a forced feeding device; the silicone rubber extrusion device comprises an extrusion cylinder fixedly arranged on the base, an extrusion screw rod arranged in the extrusion cylinder and an extrusion driving unit for driving the extrusion screw rod to rotate; the upper opening of the extrusion column forms a feeding port, and the forced feeding device comprises a feeding box fixedly arranged on the feeding port and an auxiliary feeding unit movably arranged in the feeding box; the auxiliary feeding unit is connected with the extrusion screw through a rotary linkage unit, so that the auxiliary feeding unit and the extrusion screw rotate synchronously, and the material to be processed in the feeding box is pushed into the feeding port. The silicone rubber screw extruder of the utility model has fast feeding and no material blockage, thereby eliminating the phenomenon of reverse discharge of materials at the feeding port; in addition, the material can smoothly enter the extrusion column body, so that the extrusion force of the feeding port is reduced, and the phenomena of glue leakage and glue overflow are avoided.
Description
Technical Field
The utility model belongs to the technical field of screw extruder, especially, relate to a silicon rubber screw extruder.
Background
In the screw extruder used at present, rubber enters an extrusion cylinder from a feeding port, and is subjected to plasticizing processes such as extrusion, shearing and the like and conveying through rotation of an extrusion screw arranged in the extrusion cylinder, and products with different shapes can be extruded by using different machine heads. Because the raw rubber strength of the silicone rubber is low, the rubber is sensitive to heat and has obvious adhesion, the following problems can occur: the rubber material can not be conveniently fed into the screw groove of the extrusion screw, and needs to be forcibly fed by means of manual extrusion, pressing and the like, but the continuity and uniformity of feeding can not be ensured, thereby influencing the uniformity and consistency of the extruded finished product.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a silicon rubber screw extruder aims at solving the screw extruder among the prior art and can not conveniently feed the technical problem in the thread groove of extruding the screw rod with the sizing material.
In order to achieve the purpose, the embodiment of the utility model provides a silicon rubber screw extruder, which comprises a base, a silicon rubber extruding device and a forced feeding device; the silicone rubber extrusion device comprises an extrusion cylinder fixedly arranged on the base, an extrusion screw rod arranged in the extrusion cylinder and an extrusion driving unit for driving the extrusion screw rod to rotate; the upper opening of the extrusion column forms a feeding port, and the forced feeding device comprises a feeding box fixedly arranged on the feeding port and an auxiliary feeding unit movably arranged in the feeding box; the auxiliary feeding unit is connected with the extrusion screw through a rotary linkage unit, so that the auxiliary feeding unit and the extrusion screw rotate synchronously, and the material to be processed in the feeding box is pushed into the feeding port.
Optionally, the auxiliary feeding unit includes a first pressing assembly and a second pressing assembly movably mounted in the feeding box, and the first pressing assembly and the second pressing assembly are adjacently disposed and respectively connected to the rotary linkage unit, so that the first pressing assembly and the second pressing assembly synchronously rotate with the extrusion screw under the transmission of the rotary linkage unit, and further push the material to be processed in the feeding box into the feeding port.
Optionally, the first pressing assembly and the second pressing assembly are opposite in rotation direction during operation, and both rotate around the direction of transferring the material to be processed in the feeding box from top to bottom.
Optionally, the first pressing assembly and the second pressing assembly have the same structure and each include a rotating bearing seat fixedly installed on two sides of the feeding box, a pressing main shaft with an end rotatably arranged in the rotating bearing seat, and a pressing dial plate sleeved on the pressing main shaft; one end of the material pressing main shaft extends outwards and is connected with the rotary linkage unit.
Optionally, the material pressing shifting plate comprises at least two shifting wings, and the width of the shifting wings is matched with that of the feeding box.
Optionally, the rotary linkage unit comprises a driving gear fixed on the extrusion screw, a first driven gear fixed on the first pressing assembly, a second driven gear fixed on the second pressing assembly, and a transmission gear rotatably mounted on the side wall of the feeding box; the first driven gear is meshed with the second driven gear, and the transmission gear is meshed with the driving gear and the first driven gear simultaneously.
Optionally, the extrusion driving unit comprises an extrusion driving motor and a reduction gearbox, one end of the reduction gearbox is connected with the extrusion driving motor, the other end of the reduction gearbox is connected with the extrusion screw, and the extrusion driving motor drives the extrusion screw to rotate under the speed reduction effect of the reduction gearbox.
Optionally, extrude the end fixedly connected with shaping of extruding of cylinder and extrude the head, the shaping is extruded the head and is the round platform setting, the shaping extrude the head with the one end cross-sectional area of extruding the cylinder and connecting is big, the shaping is extruded the head and is kept away from the one end cross-sectional area of extruding the cylinder is little.
Optionally, a finished product bearing table is fixedly arranged on the base, the end portion of the extrusion head is in lap joint with the finished product bearing table, and a forming frame is fixedly arranged at one end, in contact with the extrusion head, of the finished product bearing table.
Optionally, two sides of the bottom of the base are respectively provided with supporting legs which are bent inwards.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the silicon rubber screw extruder have one of following technological effect at least: compared with the prior art, when the silicon rubber screw extruder is used, the forced feeding device is arranged on the feeding port to carry out forced hooking feeding on the material to be processed; the material to be processed is cached in the feeding box, the auxiliary feeding unit synchronously rotates with the extrusion screw through the rotary linkage unit, the rotary auxiliary feeding unit enables the material to be processed to be uniformly, continuously and stably automatically fed into a feeding port of the extrusion cylinder and pushed into the extrusion screw, and then the extrusion screw forwards conveys the material to be processed under the driving of the extrusion driving unit and finally performs extrusion molding. Therefore, the silicone rubber screw extruder of the utility model has fast feeding and no material blockage, thereby eliminating the phenomenon of reverse discharge of materials at the feeding port; in addition, the materials can smoothly enter the extrusion column body, so that the extrusion force of a feeding port is reduced, and the phenomena of glue leakage and glue overflow are avoided; furthermore, because the feeding is smooth, the materials can uniformly flow forwards in the extrusion cylinder, the phenomenon of coke in the extrusion cylinder of the materials is also overcome, raw materials are saved, and the product quality is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a perspective view of a silicone rubber screw extruder provided by an embodiment of the present invention.
Fig. 2 is a top view of a silicone rubber screw extruder provided by the embodiment of the present invention.
Fig. 3 is a cross-sectional view of a silicone rubber screw extruder provided by the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a rotary linkage unit according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of the first pressing component and the second pressing component provided in the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-base 11-finished product bearing table 111-forming frame
12-supporting feet 2-silicon rubber extrusion device 3-forced feeding device
4-extrusion cylinder 41-feeding mouth 42-forming extrusion head
5-extrusion screw 6-extrusion driving unit 61-extrusion driving motor
62-reduction gearbox 7-feeding box 8-auxiliary feeding unit
81-first pressing component 82-second pressing component 83-rotary bearing seat
84-material pressing main shaft 85-material pressing dial plate 851-dial wing
9-rotary linkage unit 91-driving gear 92-first driven gear
93-second driven gear 94-drive gear
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1 to 3, a silicone rubber screw extruder is provided, which comprises a base 1, a silicone rubber extrusion device 2 and a forced feeding device 3; the silicone rubber extrusion device 2 comprises an extrusion cylinder 4 fixedly arranged on the base 1, an extrusion screw 5 arranged in the extrusion cylinder 4 and an extrusion driving unit 6 for driving the extrusion screw 5 to rotate; the upper opening of the extrusion cylinder 4 forms a feeding port 41, and the forced feeding device 3 comprises a feeding tank 7 fixedly arranged on the feeding port 41 and an auxiliary feeding unit 8 movably arranged in the feeding tank 7; wherein, the auxiliary feeding unit 8 is connected with the extrusion screw 5 through a rotary linkage unit 9, so that the auxiliary feeding unit 8 and the extrusion screw 5 rotate synchronously, and further the material to be processed in the feeding box 7 is pushed into the feeding port 41.
The silicone rubber screw extruder provided by the embodiment of the utility model is further explained as follows: when the silicon rubber screw extruder is used, the forced feeding device 3 is arranged on the feeding port 41 to forcibly hook and pull the material to be processed; the material to be processed is buffered in the feeding box 7, the auxiliary feeding unit 8 and the extrusion screw 5 synchronously rotate through the rotary linkage unit 9, and the rotary auxiliary feeding unit 8 enables the material to be processed to be uniformly, continuously and stably automatically fed into the feeding port 41 of the extrusion cylinder 4 and pushed into the extrusion screw 5, and then the extrusion screw 5 is driven by the extrusion driving unit 6 to convey the material to be processed forward and finally perform extrusion molding. Therefore, the silicone rubber screw extruder of the utility model has fast feeding and no material blockage, thereby eliminating the phenomenon of reverse discharge of materials at the feeding port 41; in addition, the material can smoothly enter the extrusion cylinder 4, so that the extrusion force of the feeding port 41 is reduced, and the phenomena of glue leakage and glue overflow are avoided; moreover, due to smooth feeding, the materials can uniformly flow forwards in the extrusion cylinder body 4, the phenomenon of coke material of the materials in the extrusion cylinder body 4 is also overcome, raw materials are saved, and the product quality is effectively improved.
In another embodiment of the present invention, as shown in fig. 2, the auxiliary feeding unit 8 of the silicone rubber screw extruder includes a first pressing component 81 and a second pressing component 82 movably mounted in the feeding box 7, the first pressing component 81 and the second pressing component 82 are adjacently disposed and respectively connected to the rotary linkage unit 9, so that the first pressing component 81 and the second pressing component 82 rotate synchronously with the extrusion screw 5 under the transmission of the rotary linkage unit 9, and then the material to be processed in the feeding box 7 is pushed into the feeding port 41.
Further, as shown in fig. 2, the first pressing assembly 81 and the second pressing assembly 82 in the silicone rubber screw extruder are operated in opposite directions, and both rotate around the direction of feeding the material to be processed in the feeding tank 7 from top to bottom.
Specifically, in the process that the rotating auxiliary feeding unit 8 automatically feeds the material to be processed into the feeding port 41 of the extrusion cylinder 4: the extrusion driving unit 6 drives the extrusion screw 5 to rotate, and under the transmission of the rotary linkage unit 9, the first pressing component 81 and the second pressing component 82 are driven to rotate around the direction of pushing the material to be processed in the feeding box 7 from top to bottom, and finally the material to be processed in the feeding box 7 is pushed into the feeding port 41. As can be seen, the auxiliary feeding unit 8 enhances the processing capacity of the material to be processed by adjacently arranging a pair of the first pressing component 81 and the second pressing component 82, increases the extrusion area of the material to be processed, and further improves the pushing efficiency of the material.
As shown in fig. 5, the first pressing component 81 and the second pressing component 82 in the silicone rubber screw extruder have the same structure, and each of the first pressing component 81 and the second pressing component 82 includes a rotating bearing seat 83 fixedly installed at two sides of the feeding box 7, a pressing spindle 84 with an end rotatably arranged in the rotating bearing seat 83, and a pressing dial plate 85 sleeved on the pressing spindle 84; wherein, one end of the pressing main shaft 84 extends outwards and is connected with the rotary linkage unit 9. Specifically, the extrusion driving unit 6 drives the extrusion screw 5 to rotate, and the pressing main shaft 84 and the pressing dial plate 85 are driven to rotate on the rotating bearing seat 83 under the transmission of the rotary linkage unit 9, so as to complete the pushing of the material to be processed.
Preferably, as shown in fig. 5, the material pressing dial plate 85 in the silicone rubber screw extruder includes at least two dial wings 851, and the width of the dial wings 851 is adapted to the width of the feeding box 7, so as to ensure that the dial wings 851 can be in full contact with the material to be processed in the feeding box 7, and reduce the contact dead angle.
In another embodiment of the present invention, as shown in fig. 4, the rotary linkage unit 9 in the silicone rubber screw extruder comprises a driving gear 91 fixed on the extrusion screw 5, a first driven gear 92 fixed on the first pressing assembly 81, a second driven gear 93 fixed on the second pressing assembly 82, and a transmission gear 94 rotatably mounted on the side wall of the feeding box 7; the first driven gear 92 is meshed with the second driven gear 93, and the transmission gear 94 is meshed with the driving gear 91 and the first driven gear 92 simultaneously. It can be seen that, in the rotary linkage unit 9, through the mutual combination of the driving gear 91, the first driven gear 92, the second driven gear 93 and the transmission gear 94, a set of transmission structure of gear cooperation linkage is obtained, the structure is reasonable, the design is scientific, the synchronism and the compactness of different mechanisms of single power source linkage are realized, the close cooperation among the mechanisms is improved, the maneuvering effect is improved, and the later maintenance is simple.
In another embodiment of the utility model, as shown in fig. 1-3, in this silicon rubber screw extruder extrude drive unit 6 including extruding driving motor 61 and reducing gear box 62, reducing gear box 62 one end with extrude driving motor 61 and be connected, the other end with extrude screw 5 and be connected, extrude driving motor 61 and be in drive under reducing gear box 62's the deceleration effect extrude screw 5 and rotate. Therefore, when the extrusion driving motor 61 is started, the reduction gearbox 62 realizes the effect of large torque, drives the extrusion screw 5 to rotate, extrudes the material to be processed, and achieves the effects of improving the yield and prolonging the service life of the extrusion screw 5.
In another embodiment of the present invention, as shown in fig. 1 to 3, in this silicon rubber screw extruder, the extrusion end fixedly connected with extrusion head 42 of the extrusion cylinder 4, the extrusion head 42 is a circular table, the extrusion head 42 is a large cross-sectional area at one end connected with the extrusion cylinder 4, the extrusion head 42 is far away from the extrusion cylinder 4, and the cross-sectional area at one end is small. Specifically, the extrusion head 42 is detachably fixed at the extrusion end of the extrusion cylinder 4, so that the extrusion head 42 is convenient to detach and clean; in addition, by replacing the extrusion head 42 of different sizes, the production of materials of various thicknesses and sizes can be satisfied.
In another embodiment of the present invention, as shown in fig. 1 to 3, a finished product receiving platform 11 is fixedly disposed on the base 1 of the silicone rubber screw extruder, an end portion of the extrusion head 42 is overlapped on the finished product receiving platform 11, and a forming frame 111 is fixedly disposed at one end of the finished product receiving platform 11 contacting with the extrusion head 42; the material extruded by the extrusion head 42 is instantly molded by the molding frame 111 and finally buffered on the finished product receiving table 11, so that the extruded material is not required to be transferred and molded, and the production efficiency is greatly improved.
In another embodiment of the present invention, as shown in fig. 1, two sides of the bottom of the base 1 in the silicone rubber screw extruder are respectively provided with a supporting leg 12 by bending inwards; the supporting legs 12 can enable the silicone rubber extrusion device 2, the forced feeding device 3 and the rotary linkage unit 9 to be far away from the ground, so that moisture or other corrosive substances on the ground are prevented from contacting the silicone rubber extrusion device 2, the forced feeding device 3 and the rotary linkage unit 9, and the service lives of the silicone rubber extrusion device 2, the forced feeding device 3 and the rotary linkage unit 9 are effectively prolonged.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A silicone rubber screw extruder comprises a base, a silicone rubber extrusion device and a forced feeding device; the method is characterized in that: the silicone rubber extrusion device comprises an extrusion cylinder fixedly arranged on the base, an extrusion screw rod arranged in the extrusion cylinder and an extrusion driving unit for driving the extrusion screw rod to rotate; the upper opening of the extrusion column forms a feeding port, and the forced feeding device comprises a feeding box fixedly arranged on the feeding port and an auxiliary feeding unit movably arranged in the feeding box; the auxiliary feeding unit is connected with the extrusion screw through a rotary linkage unit, so that the auxiliary feeding unit and the extrusion screw rotate synchronously, and the material to be processed in the feeding box is pushed into the feeding port.
2. The silicone rubber screw extruder according to claim 1, characterized in that: the auxiliary feeding unit comprises a first pressing component and a second pressing component which are movably installed in the feeding box, the first pressing component and the second pressing component are adjacently arranged and are respectively connected with the rotary linkage unit, so that the first pressing component and the second pressing component synchronously rotate with the extrusion screw under the transmission of the rotary linkage unit, and then the material to be processed in the feeding box is pushed into the feeding port.
3. The silicone rubber screw extruder according to claim 2, characterized in that: the first pressing component and the second pressing component are opposite in rotation direction during working, and both rotate around the direction of transferring the material to be processed in the feeding box from top to bottom.
4. The silicone rubber screw extruder according to claim 2, characterized in that: the first pressing component and the second pressing component are identical in structure and respectively comprise a rotating bearing seat fixedly arranged on two sides of the feeding box, a pressing main shaft with the end part rotatably arranged in the rotating bearing seat and a pressing shifting plate sleeved on the pressing main shaft; one end of the material pressing main shaft extends outwards and is connected with the rotary linkage unit.
5. The silicone rubber screw extruder according to claim 4, characterized in that: the material pressing shifting plate comprises at least two shifting wings, and the width of the shifting wings is matched with that of the feeding box.
6. The silicone rubber screw extruder according to claim 2, characterized in that: the rotary linkage unit comprises a driving gear fixed on the extrusion screw, a first driven gear fixed on the first pressing component, a second driven gear fixed on the second pressing component and a transmission gear rotatably arranged on the side wall of the feeding box; the first driven gear is meshed with the second driven gear, and the transmission gear is meshed with the driving gear and the first driven gear simultaneously.
7. The silicone rubber screw extruder according to any one of claims 1 to 6, characterized in that: the extrusion driving unit comprises an extrusion driving motor and a reduction gearbox, one end of the reduction gearbox is connected with the extrusion driving motor, the other end of the reduction gearbox is connected with the extrusion screw, and the extrusion driving motor drives the extrusion screw to rotate under the speed reduction effect of the reduction gearbox.
8. The silicone rubber screw extruder according to any one of claims 1 to 6, characterized in that: extrude the head is extruded in the end fixedly connected with shaping of extruding of cylinder, the shaping is extruded the head and is the round platform setting, the shaping extrude the head with the one end cross-sectional area that the cylinder is connected is big, the shaping is extruded the head and is kept away from the one end cross-sectional area that extrudes the cylinder is little.
9. The silicone rubber screw extruder according to claim 8, characterized in that: the base is fixedly provided with a finished product bearing table, the end part of the extrusion head is in lap joint with the finished product bearing table, and the finished product bearing table and one end of the extrusion head in contact with the extrusion head are fixedly provided with a forming frame.
10. The silicone rubber screw extruder according to any one of claims 1 to 6, characterized in that: and supporting legs are respectively arranged on two sides of the bottom of the base in an inwards bent mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244008.XU CN212764666U (en) | 2020-06-29 | 2020-06-29 | Silicone rubber screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244008.XU CN212764666U (en) | 2020-06-29 | 2020-06-29 | Silicone rubber screw extruder |
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| CN212764666U true CN212764666U (en) | 2021-03-23 |
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| CN202021244008.XU Active CN212764666U (en) | 2020-06-29 | 2020-06-29 | Silicone rubber screw extruder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887839A (en) * | 2022-05-16 | 2022-08-12 | 北京玻钢院复合材料有限公司 | Preparation device and preparation method of silicone rubber protective layer for composite cabin |
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2020
- 2020-06-29 CN CN202021244008.XU patent/CN212764666U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887839A (en) * | 2022-05-16 | 2022-08-12 | 北京玻钢院复合材料有限公司 | Preparation device and preparation method of silicone rubber protective layer for composite cabin |
| CN114887839B (en) * | 2022-05-16 | 2023-08-01 | 北京玻钢院复合材料有限公司 | Preparation device and preparation method of silicon rubber protective layer for composite cabin |
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