CN214000518U - Halogen-free machine barrel - Google Patents
Halogen-free machine barrel Download PDFInfo
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- CN214000518U CN214000518U CN202022206629.5U CN202022206629U CN214000518U CN 214000518 U CN214000518 U CN 214000518U CN 202022206629 U CN202022206629 U CN 202022206629U CN 214000518 U CN214000518 U CN 214000518U
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Abstract
The halogen-free machine barrel comprises a halogen-free machine barrel body, a machine barrel outer sleeve body, a segmented machine barrel outer sleeve body, a left fixing ring, a right fixing ring, a connecting hole, a trapezoidal groove, a wear-resistant halogen-free alloy bushing, a first wear-resistant halogen-free alloy bushing, a trapezoidal convex edge, an outer connecting sleeve, an internal thread, an arc-shaped clamping groove, an inner connecting sleeve, a tail end wear-resistant halogen-free alloy bushing, a head end wear-resistant halogen-free alloy bushing and the like. The utility model has the advantages that: the outer sleeve body of the machine barrel and the wear-resistant halogen-free alloy bushing are spliced in a mutually staggered mode, so that the overall stability of the machine barrel after splicing is improved, the positioning reliability is ensured during splicing of the machine barrel, and the splicing precision of the machine barrel is improved; the mechanical wear-resistant halogen-free alloy lining is formed by adopting a special formula of high-nickel alloy and tungsten carbide through alkane bonding, has the characteristics of wear resistance, corrosion resistance, high temperature resistance and high pressure resistance, and prolongs the service life of the machine barrel; the length of the machine barrel can be increased by increasing the number of the first wear-resistant halogen-free alloy bushing and the second wear-resistant halogen-free alloy bushing, and the application range is expanded.
Description
Technical Field
The utility model relates to a there is not steamed barrel belongs to barrel technical field.
Background
With the increasing awareness of global environmental protection, many international companies are actively driving to completely eliminate halogen-containing materials and to meet the demand of non-halogenation. Halogen is a nonmetallic element of the VIIA family, and is added into the product to improve the ignition point, but the flame retardant cannot be recycled, and harmful substances are released in the combustion and heating processes, so that the health and environment of human bodies and the next generation of offspring are threatened. Therefore, in view of the limitation of the halogen content, efforts are being made in various countries to adopt corresponding methods.
When a plastic extruder is used for producing plastic products, a halogen-free cylinder is usually adopted in order to produce halogen-free environment-friendly products without polluting raw materials. The halogen-free cylinder in the prior art usually adopts a mode that the whole cylinder is not halogenated, so that the environment-friendly requirement of the cylinder is improved, the flame retardant capability of the cylinder is reduced, new requirements on material selection and cost of the cylinder are provided, and the problem to be solved is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a there is not steamed barrel.
The to-be-solved problem of the utility model is that current no halogen barrel adopts whole barrel non-halogenated technology, has reduced the flame retardant ability of barrel, has improved the manufacturing cost's of barrel defect.
For realizing the purpose of the utility model, the utility model adopts the technical proposal that:
the halogen-free machine barrel comprises a halogen-free machine barrel body, a machine barrel outer sleeve body, a segmented machine barrel outer sleeve body, a left fixing ring, a right fixing ring, connecting holes, trapezoidal grooves, a wear-resistant halogen-free alloy bushing, a first wear-resistant halogen-free alloy bushing, trapezoidal ribs, an outer connecting sleeve, internal threads, arc-shaped clamping grooves, an inner connecting sleeve, external threads, arc-shaped buckles, a second wear-resistant halogen-free alloy bushing, a tail end wear-resistant halogen-free alloy bushing and a head end wear-resistant halogen-free alloy bushing, wherein the machine barrel outer sleeve body is installed on the halogen-free machine barrel body and consists of a plurality of segmented machine barrel outer sleeve bodies, the left fixing ring is installed at the left end of each segmented machine barrel outer sleeve body, the right fixing ring is installed at the right end of each segmented machine barrel outer sleeve body, the connecting holes are evenly distributed in the left fixing ring and the right fixing ring, three trapezoidal grooves are evenly arranged in each segmented machine barrel outer sleeve body, and the wear-resistant halogen-free alloy bushing is installed outside each segmented machine barrel outer sleeve body, install first wear-resisting no halogen alloy bush on the wear-resisting no halogen alloy bush, trapezoidal bead is installed to first wear-resisting no halogen alloy bush evenly distributed outward, the outer adapter sleeve is installed to first wear-resisting no halogen alloy bush left end, be equipped with the internal thread in the outer adapter sleeve, three arc draw-in grooves are evenly distributed to the right-hand member of internal thread, the inner adapter sleeve is installed to first wear-resisting no halogen alloy bush right-hand member, the outer screw thread is equipped with the external screw thread outward, the right-hand member evenly distributed of external screw thread is equipped with the arc buckle, first wear-resisting no halogen alloy bush right-hand member is connected and is installed the wear-resisting no halogen alloy bush of second wear-resisting no halogen alloy bush right-hand member, the wear-resisting no halogen alloy bush of tail end is installed to the connection of second wear-resisting no halogen alloy bush right-hand member, the wear-resisting no halogen alloy bush of head end is installed to first wear-resisting no halogen alloy bush left end connection.
Furthermore, an inner connecting sleeve and an outer connecting sleeve on the first wear-resistant halogen-free alloy bushing are respectively matched with an outer connecting sleeve and an inner connecting sleeve on the second wear-resistant halogen-free alloy bushing and are spliced with each other.
Furthermore, trapezoidal bead matches each other with trapezoidal recess, and arc buckle matches each other with the arc draw-in groove.
Furthermore, the outer sleeve body of the machine barrel is made of high-quality steel, the wear-resistant halogen-free alloy lining is formed by adopting a special formula of high-nickel alloy and tungsten carbide through alkane bonding, the wear-resistant halogen-free alloy lining has comprehensive properties of high wear resistance, high hardness, high temperature resistance and the like, and the service life of the wear-resistant halogen-free alloy lining is over 10 times that of common alloy steel under general conditions.
Further, the outer sleeve of the machine barrel is made of high-quality steel, and the inner size of the outer sleeve of the machine barrel is the same as the outer size of the wear-resistant halogen-free alloy bushing; the length of the outer cylinder sleeve is equal to that of the wear-resistant halogen-free alloy bushing; the length of the outer sleeve of each sectional machine barrel is equal; the length of the first wear-resistant halogen-free alloy bushing is greater than the sum of the lengths of the outer sleeves of the two segmented machine barrels; the length of the second wear-resistant halogen-free alloy bushing is less than the sum of the lengths of the outer sleeves of the two segmented machine barrels; the first wear-resistant halogen-free alloy bushing, the second wear-resistant halogen-free alloy bushing, the tail-end wear-resistant halogen-free alloy bushing and the head-end wear-resistant halogen-free alloy bushing are identical in structure but different in length.
Furthermore, the length of the halogen-free machine barrel body can be increased by increasing the number of the first wear-resistant halogen-free alloy bushing and the second wear-resistant halogen-free alloy bushing according to actual needs.
The utility model has the advantages that: the halogen-free machine barrel is divided into two parts, namely a wear-resistant halogen-free alloy lining and a machine barrel outer sleeve, and the two parts are processed and manufactured, so that the wear-resistant halogen-free alloy lining meets the requirements of wear resistance and non-halogenation, and meanwhile, the machine barrel outer sleeve only meets the general requirements of the machine barrel, the manufacturing cost is saved, and the flame retardant capability of the machine barrel is improved; the outer sleeve body of the machine barrel and the wear-resistant halogen-free alloy bushing are spliced in a mutually staggered mode, so that the overall stability of the machine barrel after splicing is improved, the positioning reliability is ensured during splicing of the machine barrel, and the splicing precision of the machine barrel is improved; the outer barrel body and the wear-resistant alloy inner bushing are of segmented structures, so that the length of each section of outer barrel body and each section of inner bushing is reduced, convenience is brought to machining, later-stage replacement is facilitated, and cost is saved; the wear-resistant halogen-free alloy lining is formed by adopting a special formula of high-nickel alloy and tungsten carbide through alkane bonding, has the characteristics of wear resistance, corrosion resistance, high temperature resistance and high pressure resistance, and prolongs the service life of the machine barrel; according to actual needs, the length of the machine barrel can be increased by increasing the number of the first wear-resistant halogen-free alloy bushing and the second wear-resistant halogen-free alloy bushing, and the application range is expanded.
Drawings
FIG. 1 is a schematic view of the overall structure of a halogen-free barrel;
FIG. 2 is a schematic view of the structure of the outer barrel casing and the wear-resistant halogen-free alloy liner of the halogen-free barrel;
FIG. 3 is a schematic view of the structure of the outer sleeve of the segmented barrel of the halogen-free barrel;
FIG. 4 is a schematic structural view of a first wear resistant halogen-free alloy bushing and a second wear resistant halogen-free alloy bushing of the halogen-free barrel;
FIG. 5 is a schematic illustration of the splicing operation of the halogen-free barrel;
FIG. 6 is a schematic illustration of the overall splicing operation of the halogen-free barrel;
in the figure: 1. the cylinder comprises a halogen-free cylinder body 2, a cylinder outer sleeve 21, a segmented cylinder outer sleeve 22, a left fixing ring 23, a right fixing ring 24, a connecting hole 25, a trapezoidal groove 3, a wear-resistant halogen-free alloy bushing 31, a first wear-resistant halogen-free alloy bushing 32, a trapezoidal rib 33, an outer connecting sleeve 34, an internal thread 35, an arc-shaped clamping groove 36, an inner connecting sleeve 37, an external thread 38, an arc-shaped buckle 39, a second wear-resistant halogen-free alloy bushing 310, a tail end wear-resistant halogen-free alloy bushing 311 and a head end wear-resistant halogen-free alloy bushing.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
The halogen-free machine barrel comprises a halogen-free machine barrel body 1, a machine barrel outer sleeve body 2, a segmented machine barrel outer sleeve body 21, a left fixing ring 22, a right fixing ring 23, a connecting hole 24, a trapezoidal groove 25, a wear-resistant halogen-free alloy bushing 3, a first wear-resistant halogen-free alloy bushing 31, a trapezoidal rib 32, an outer connecting sleeve 33, an internal thread 34, an arc-shaped clamping groove 35, an inner connecting sleeve 36, an external thread 37, an arc-shaped buckle 38, a second wear-resistant halogen-free alloy bushing 39, a tail end wear-resistant halogen-free alloy bushing 310 and a head end wear-resistant halogen-free alloy bushing 311, wherein the machine barrel outer sleeve body 2 is arranged on the halogen-free machine barrel body 1 and used for providing sealing, the machine barrel outer sleeve body 2 consists of a plurality of segmented machine barrel outer sleeve bodies 21 and used for providing sealing, the left fixing ring 22 is arranged at the left end of the segmented machine barrel outer sleeve body 21 and used for providing fixing, the right fixing ring 23 is arranged at the right end of the segmented machine barrel outer sleeve body 21 and used for providing fixing, the left fixing ring 22 and the right fixing ring 23 are provided with connecting holes 24 in average distribution for providing connection, the segmented barrel outer casing 21 is provided with three trapezoidal grooves 25 in average distribution for providing connection, the barrel outer casing 2 is externally provided with a wear-resistant halogen-free alloy bushing 3 for providing a halogen-free lining, the wear-resistant halogen-free alloy bushing 3 is provided with a first wear-resistant halogen-free alloy bushing 31 for providing a halogen-free lining, the first wear-resistant halogen-free alloy bushing 31 is externally provided with trapezoidal ridges 32 in average distribution for providing connection, the left end of the first wear-resistant halogen-free alloy bushing 31 is provided with an outer connecting sleeve 33 for providing connection, the outer connecting sleeve 33 is internally provided with internal threads 34 for providing connection, the rightmost end of the internal threads 34 is provided with three arc-shaped clamping grooves 35 in average distribution for providing connection, the right end of the first wear-resistant halogen-free alloy bushing 31, the internal connection cover 36 is equipped with external screw thread 37 outward, be used for providing the connection, external screw thread 37 rightmost end evenly distributes and is equipped with arc buckle 38, be used for providing the connection, first wear-resisting halogen-free alloy bush 31 right-hand member is connected and is installed wear-resisting halogen-free alloy bush 39 of second, be used for providing the non-halogenation inside lining, wear-resisting halogen-free alloy bush 310 of tail end is installed in the connection of wear-resisting halogen-free alloy bush 39 right-hand member of second, be used for providing the non-halogenation inside lining, first wear-resisting halogen-free alloy bush 31 left end is connected and is installed wear-resisting halogen-free alloy bush 311 of head end, be used for providing the non-halogenation inside lining.
Further, the inner connecting sleeve 36 and the outer connecting sleeve 33 on the first wear-resistant halogen-free alloy bushing 31 are respectively matched with the outer connecting sleeve 33 and the inner connecting sleeve 36 on the second wear-resistant halogen-free alloy bushing 39, and are spliced with each other.
Further, the trapezoidal protruding ribs 32 are matched with the trapezoidal grooves 25, and the arc-shaped buckles 38 are matched with the arc-shaped clamping grooves 35.
Further, the outer sleeve body 2 of the machine barrel is made of high-quality steel, the wear-resistant halogen-free alloy lining 3 is formed by adopting a special formula of high-nickel alloy and tungsten carbide through alkane bonding, the wear-resistant halogen-free alloy lining has comprehensive properties of high wear resistance, high hardness, high temperature resistance and the like, and the service life of the wear-resistant halogen-free alloy lining is over 10 times that of common alloy steel under general conditions.
Further, the inner size of the outer barrel sleeve 2 is the same as the outer size of the wear-resistant halogen-free alloy bushing 3; the length of the outer cylinder sleeve 2 is equal to that of the wear-resistant halogen-free alloy bush 3; the length of each segmented barrel outer sleeve 21 is equal; the length of the first wear-resistant halogen-free alloy bushing 31 is greater than the sum of the lengths of the two segmented cylinder outer sleeves 21; the length of the second wear-resistant halogen-free alloy bushing 39 is less than the sum of the lengths of the two segmented barrel outer sleeves 21; the first wear-resistant halogen-free alloy bushing 31, the second wear-resistant halogen-free alloy bushing 39, the tail-end wear-resistant halogen-free alloy bushing 310 and the head-end wear-resistant halogen-free alloy bushing 311 have the same structure but different lengths.
Further, the length of the halogen-free machine barrel body 1 can be increased by increasing the number of the first wear-resistant halogen-free alloy bushing 31 and the second wear-resistant halogen-free alloy bushing 39 according to actual needs.
The using method comprises the following steps: aligning the trapezoidal grooves 25 on the outer sleeves 21 of the two segmented barrels with the trapezoidal ribs 32 on the first wear-resistant halogen-free alloy lining 31, respectively penetrating the trapezoidal grooves from the left end and the right end of the first wear-resistant halogen-free alloy lining 31, enabling the splicing positions of the trapezoidal grooves to be located at the middle section of the first wear-resistant halogen-free alloy lining 31, aligning the connecting holes 24 on the left fixing ring 22 and the right fixing ring 23 which are overlapped with each other, and fixing the connecting holes by using bolts and nuts; similarly, the two segmented outer cylinder sleeves 21 are respectively inserted into the left end and the right end of the second wear-resistant halogen-free alloy bushing 39, so that the splicing position is located at the middle section of the second wear-resistant halogen-free alloy bushing 39; screwing the inner connecting sleeve 36 of the first wear-resistant halogen-free alloy bushing 31 into the outer connecting sleeve 33 of the second wear-resistant halogen-free alloy bushing 39, and mutually fastening and connecting the arc-shaped clamping groove 35 and the arc-shaped fastening 38 to ensure that the first wear-resistant halogen-free alloy bushing 31 and the second wear-resistant halogen-free alloy bushing 39 are mutually spliced; sequentially penetrating the two segmented cylinder outer sleeves 21 through the head-end wear-resistant halogen-free alloy bushing 311, so that the leftmost end of the head-end wear-resistant halogen-free alloy bushing 311 is flush with the leftmost end of the leftmost segmented cylinder outer sleeve 21; similarly, the two segmented cylinder outer sleeves 21 sequentially penetrate through the tail end wear-resistant halogen-free alloy bushing 310, so that the rightmost end of the tail end wear-resistant halogen-free alloy bushing 310 is flush with the rightmost end of the segmented cylinder outer sleeve 21 at the rightmost end; the outer connecting sleeve 33 of the first wear-resistant halogen-free alloy bushing 31 is connected with the inner connecting sleeve 36 of the head-end wear-resistant halogen-free alloy bushing 311, the inner connecting sleeve 36 of the second wear-resistant halogen-free alloy bushing 39 is connected with the outer connecting sleeve 33 of the tail-end wear-resistant halogen-free alloy bushing 310, and finally the outer barrel sleeve 2 and the wear-resistant halogen-free alloy bushing 3 are spliced with each other and fixedly connected with the outer barrel sleeve 21 by bolts and nuts.
Claims (6)
1. Halogen-free machine barrel, including halogen-free machine barrel body (1), outer barrel body (2), segmentation outer barrel body (21), left retainer plate (22), right retainer plate (23), connecting hole (24), trapezoidal recess (25), wear-resisting halogen-free alloy bush (3), first wear-resisting halogen-free alloy bush (31), trapezoidal bead (32), outer joint sleeve (33), internal thread (34), arc draw-in groove (35), inner joint sleeve (36), external screw thread (37), arc buckle (38), wear-resisting halogen-free alloy bush of second (39), wear-resisting halogen-free alloy bush of tail end (310) and the wear-resisting halogen-free alloy bush of head end (311), characterized by: the cylinder outer sleeve body (2) is installed on the halogen-free cylinder body (1), the cylinder outer sleeve body (2) is composed of a plurality of segmented cylinder outer sleeve bodies (21), a left fixing ring (22) is installed at the left end of each segmented cylinder outer sleeve body (21), a right fixing ring (23) is installed at the right end of each segmented cylinder outer sleeve body (21), connecting holes (24) are evenly distributed in the left fixing ring (22) and the right fixing ring (23), three trapezoidal grooves (25) are evenly arranged in each segmented cylinder outer sleeve body (21), a wear-resistant halogen-free alloy bushing (3) is installed outside each segmented cylinder outer sleeve body (2), a first wear-resistant halogen-free alloy bushing (31) is installed on each wear-resistant halogen-free alloy bushing (3), trapezoidal ribs (32) are evenly distributed outside each first wear-resistant halogen-free alloy bushing (31), an outer connecting sleeve (33) is installed at the left end of each first wear-resistant halogen-free alloy bushing (31), be equipped with internal thread (34) in outer adapter sleeve (33), internal thread (34) rightmost end evenly distributes and is equipped with three arc draw-in groove (35), inner connecting sleeve (36) are installed to first wear-resisting halogen-free alloy bush (31) right-hand member, inner connecting sleeve (36) are equipped with external screw thread (37) outward, the right-most end evenly distributes and is equipped with arc buckle (38) in external screw thread (37), first wear-resisting halogen-free alloy bush (31) right-hand member is connected and is installed wear-resisting halogen-free alloy bush of second (39), wear-resisting halogen-free alloy bush of tail end (310) is installed in connection of wear-resisting halogen-free alloy bush of second (39) right-hand member, wear-resisting halogen-free alloy bush of head end (311) is installed in connection of first wear-resisting halogen-free alloy bush (31) left end.
2. The halogen-free barrel of claim 1 wherein: the inner connecting sleeve (36) and the outer connecting sleeve (33) on the first wear-resistant halogen-free alloy bushing (31) are respectively matched with the outer connecting sleeve (33) and the inner connecting sleeve (36) on the second wear-resistant halogen-free alloy bushing (39) and are spliced with each other.
3. The halogen-free barrel of claim 1 wherein: the trapezoidal convex rib (32) is matched with the trapezoidal groove (25), and the arc-shaped buckle (38) is matched with the arc-shaped clamping groove (35).
4. The halogen-free barrel of claim 1 wherein: the outer sleeve body (2) of the machine barrel is made of high-quality steel.
5. The halogen-free barrel of claim 1 wherein: the outer cylinder sleeve (2) is made of high-quality steel, and the inner size of the outer cylinder sleeve (2) is the same as the outer size of the wear-resistant halogen-free alloy bushing (3); the length of the outer cylinder sleeve (2) is equal to that of the wear-resistant halogen-free alloy bushing (3); the length of each segmented cylinder outer sleeve (21) is equal; the length of the first wear-resistant halogen-free alloy bushing (31) is greater than the sum of the lengths of the two segmented cylinder outer sleeves (21); the length of the second wear-resistant halogen-free alloy bushing (39) is less than the sum of the lengths of the two segmented cylinder outer sleeves (21); the first wear-resistant halogen-free alloy bushing (31), the second wear-resistant halogen-free alloy bushing (39), the tail-end wear-resistant halogen-free alloy bushing (310) and the head-end wear-resistant halogen-free alloy bushing (311) are identical in structure but different in length.
6. The halogen-free barrel of claim 1 wherein: the length of the halogen-free machine barrel body (1) can be increased by increasing the number of the first wear-resistant halogen-free alloy bushing (31) and the second wear-resistant halogen-free alloy bushing (39) according to actual needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022206629.5U CN214000518U (en) | 2020-09-30 | 2020-09-30 | Halogen-free machine barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022206629.5U CN214000518U (en) | 2020-09-30 | 2020-09-30 | Halogen-free machine barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214000518U true CN214000518U (en) | 2021-08-20 |
Family
ID=77298451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022206629.5U Active CN214000518U (en) | 2020-09-30 | 2020-09-30 | Halogen-free machine barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214000518U (en) |
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2020
- 2020-09-30 CN CN202022206629.5U patent/CN214000518U/en active Active
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