CN214056383U - Wear-resistant alloy barrel screw - Google Patents
Wear-resistant alloy barrel screw Download PDFInfo
- Publication number
- CN214056383U CN214056383U CN202022128783.5U CN202022128783U CN214056383U CN 214056383 U CN214056383 U CN 214056383U CN 202022128783 U CN202022128783 U CN 202022128783U CN 214056383 U CN214056383 U CN 214056383U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- screw
- wear
- barrel
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Wear-resisting alloy barrel screw rod, including barrel body, segmentation barrel, barrel outer jacket body, right retainer plate, first connecting hole, connecting groove, left retainer plate, second connecting hole, bush connector, third connecting hole, thread groove, wear-resisting alloy bush, screw thread, bush retainer plate, fourth connecting hole, screw rod body, segmentation screw rod, screw rod connector, screw rod connecting groove, thread groove and connecting axle. The utility model has the advantages that: the screw rod adopts a mode of splicing a plurality of segmented screw rods end to end, so that the length controllability of the screw rod is realized, the screw rod can adapt to machine barrels with different length specifications, the actual operation and the use are convenient, the later-stage replacement and maintenance are convenient, only corresponding abrasion parts need to be replaced, the integral wear-resisting and corrosion-resisting capacity of the screw rod is improved, and the service life of the screw rod is prolonged; after the screw is spliced, the alloy coating fused with the nickel base and the tungsten carbide is thermally sprayed on the surface of the screw, so that the coating is tightly combined with the screw body, and the risk of falling and layering of the coating is avoided.
Description
Technical Field
The utility model relates to a wear-resisting alloy barrel screw rod belongs to screw rod technical field.
Background
The screw and the cylinder are core components of the plastic molding equipment and are a group of inseparable combinations. The perfect meshing and the proper clearance between the two parts can obviously improve the plasticization of materials, the quality of products and the production efficiency. However, as time goes on, the screw rotates in the barrel and the materials and the screw rub against the barrel, so that the working surfaces of the screw and the barrel are gradually abraded, the diameter of the screw is gradually reduced, and the diameter of an inner hole of the barrel is gradually increased. Thus, the fit diameter clearance between the screw and the barrel increases slightly as the two wear away. In the past, the quality of plastic products is affected, the service life of the machine is shortened, and even the machine cannot be normally used. If the wear resistance and the corrosion resistance of the screw and the machine barrel can be effectively enhanced, the wear of the screw and the machine barrel is delayed, the service life of the screw and the machine barrel can be greatly prolonged, and a great deal of resource waste is avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wear-resisting alloy barrel screw rod.
The to-be-solved problem of the utility model is the relatively poor defect of current screw rod and barrel corrosion-resistant, abrasion resistance.
For realizing the purpose of the utility model, the utility model adopts the technical proposal that:
a wear-resistant alloy machine barrel screw comprises a machine barrel body, a segmented machine barrel, a machine barrel outer sleeve body, a right fixing ring, first connecting holes, connecting grooves, a left fixing ring, second connecting holes, a lining connecting body, third connecting holes, thread grooves, a wear-resistant alloy lining, threads, a lining fixing ring, fourth connecting holes, screws, a screw body, segmented screws, a screw connecting body, screw connecting grooves, thread grooves and connecting shafts, wherein the segmented machine barrel is installed on the machine barrel body, the machine barrel outer sleeve body is installed on the segmented machine barrel, the right fixing ring is installed at the right end of the machine barrel outer sleeve body, a plurality of first connecting holes are evenly distributed in the right fixing ring, the connecting grooves are formed in the right end of the machine barrel outer sleeve body, the left fixing ring is arranged at the left end of the machine barrel outer sleeve body, a plurality of second connecting holes are formed in the left fixing ring, the lining connecting body is installed at the left side of the left fixing ring, and a plurality of third connecting holes are evenly distributed in the lining connecting body, be equipped with the thread groove in the bush connector, install the wear-resisting alloy bush in the thread groove, the wear-resisting alloy bush is equipped with the screw thread outward, wear-resisting alloy bush left end is equipped with the bush retainer plate, be equipped with the fourth connecting hole on the bush retainer plate, install the screw on the fourth connecting hole, install the segmentation screw rod on the screw rod body, the screw rod connector is installed to the segmentation screw rod left end, be equipped with screw rod connecting groove in the segmentation screw rod right-hand member, be equipped with the thread groove in both ends about the segmentation screw rod all, the connecting axle is installed in the connection of thread groove.
Furthermore, the segmented screw is added with some corrosion-resistant and wear-resistant materials such as 34CrAINi7 or CrMoV9 during manufacturing, the yield strength of the materials is about 900MPa, and after nitriding treatment, the materials have the hardness of over 1000HV, are wear-resistant and have good corrosion resistance, so that the segmented screw has strong corrosion-resistant and wear-resistant properties.
Furthermore, the thread part of the screw body is subjected to surfacing welding of wear-resistant alloy, the surfacing thickness is 1-2 mm, the wear-resistant alloy is composed of materials such as C, Cr, Vi, Co, W and B, and the wear resistance and corrosion resistance of the screw are improved.
Furthermore, the alloy coating of nickel base and tungsten carbide has been fused in the hot spraying of screw rod body surface, has realized the inseparable combination between coating and the screw rod body, has avoided the risk that the coating drops and stratifies.
Furthermore, the outer sleeve body of the machine barrel is formed by cast steel, an alloy protective layer is thermally sprayed on the inner surface of the wear-resistant alloy lining, the thickness of the alloy protective layer is within a range of 1.5-2.5 mm, and the hardness of the alloy protective layer is uniform in the whole alloy layer.
Further, the thread grooves at the left end and the right end of the segmented screw are equal in depth, and the sum of the depths of the thread grooves 53 at the left end and the right end is equal to the length of the connecting shaft; the screw connecting body is matched with the screw connecting groove.
Furthermore, the threads are matched with the thread grooves, and the lining connecting body is matched with the connecting groove.
The utility model has the advantages that: the outer sleeves of the machine barrels are spliced mutually, so that later maintenance and replacement are facilitated, the length of the machine barrels can be controlled, and the application range is widened; the machine barrel adopts a combined structure form that a cast steel outer sleeve body is lined with a wear-resistant alloy bushing, so that the wear resistance and corrosion resistance of the inner wall of the machine barrel are effectively improved, alloy steel is saved, the manufacturing cost of equipment is reduced, and convenience conditions are created for later machine barrel maintenance: when the alloy bushing of the machine barrel is seriously abraded, the machine barrel can normally work only by replacing the alloy bushing at the corresponding position, so that the equipment maintenance time is saved; the screw rod adopts a mode of splicing a plurality of segmented screw rods end to end, so that the length controllability of the screw rod is realized, the screw rod can adapt to machine barrels with different length specifications, the actual operation and the use are convenient, the later-stage replacement and maintenance are convenient, only corresponding abrasion parts need to be replaced, the integral wear-resisting and corrosion-resisting capacity of the screw rod is improved, and the service life of the screw rod is prolonged; some materials with corrosion resistance and wear resistance are added in the segmented screw during manufacturing, so that the corrosion resistance and wear resistance of the screw are improved; after the screw is spliced, the alloy coating fused with the nickel base and the tungsten carbide is thermally sprayed on the surface of the screw, so that the coating is tightly combined with the screw body, and the risk of falling and layering of the coating is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a wear-resistant alloy barrel screw;
FIG. 2 is a schematic illustration of the split joint configuration of the segmented barrel and bushing of the wear-resistant alloy barrel screw;
FIG. 3 is a schematic illustration of a splice between segmented barrels of a wear-resistant alloy barrel screw;
FIG. 4 is a schematic illustration of a split joint configuration of the barrel of the wear-resistant alloy barrel screw;
FIG. 5 is a schematic structural view of a segmented screw splice of a wear-resistant alloy barrel screw;
FIG. 6 is a schematic illustration of the split joint configuration of the screw of the wear-resistant alloy barrel screw;
in the figure: 1. the cylinder comprises a cylinder body 2, a segmented cylinder 21, a cylinder outer sleeve 22, a right fixing ring 23, a first connecting hole 24, a connecting groove 25, a left fixing ring 26, a second connecting hole 27, a bushing connecting body 28, a third connecting hole 29, a thread groove 3, a wear-resistant alloy bushing 31, threads 32, a bushing fixing ring 33, a fourth connecting hole 35, a screw 4, a screw body 5, a segmented screw 51, a screw connecting body 52, a screw connecting groove 53, a thread groove 6 and a connecting shaft.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
The wear-resistant alloy machine barrel screw comprises a machine barrel body 1, a segmented machine barrel 2, a machine barrel outer sleeve body 21, a right fixing ring 22, a first connecting hole 23, a connecting groove 24, a left fixing ring 25, a second connecting hole 26, a lining connecting body 27, a third connecting hole 28, a thread groove 29, a wear-resistant alloy lining 3, a thread 31, a lining fixing ring 32, a fourth connecting hole 33, a screw 35, a screw body 4, a segmented screw 5, a screw connecting body 51, a screw connecting groove 52, a thread groove 53 and a connecting shaft 6, wherein the segmented machine barrel 2 is installed on the machine barrel body 1 and is a container part, the machine barrel outer sleeve body 21 is installed on the segmented machine barrel 2 and used for protection, the right fixing ring 22 is installed at the right end of the machine barrel outer sleeve body 21 and used for fixed connection, the first connecting holes 23 are evenly distributed on the right fixing ring 22 and used for bolt and nut connection and fixation, the connecting groove 24 is arranged at the right end of the machine barrel outer sleeve body 21, for providing connection, a left fixing ring 25 is arranged at the left end of the outer barrel sleeve 21 and is used for providing connection, a plurality of second connecting holes 26 are formed in the left fixing ring 25 and are used for bolt and nut connection and fixation, a lining connecting body 27 is arranged at the left side of the left fixing ring 25 and is used for providing lining connection, a plurality of third connecting holes 28 are evenly distributed in the lining connecting body 27 and are used for providing lining connection, a thread groove 29 is formed in the lining connecting body 27 and is used for providing lining connection, a wear-resistant alloy lining 3 is arranged in the thread groove 29 and is used for providing a wear-resistant and corrosion-resistant lining, threads 31 are arranged outside the wear-resistant alloy lining 3 and are used for providing lining connection, a lining fixing ring 32 is arranged at the left end of the wear-resistant alloy lining 3 and is used for providing lining connection and fixation, a fourth connecting hole 33 is formed in the lining fixing ring 32 and is used for providing screw connection and fixation, and a screw 35 is arranged on the fourth connecting hole 33, be used for providing fixedly, install segmentation screw rod 5 on the screw rod body 4 for extrude the material, screw rod connector 51 is installed to segmentation screw rod 5 left end for provide the connection, be equipped with screw rod connecting groove 52 in the segmentation screw rod 5 right-hand member, be used for providing the connection, be equipped with thread groove 53 in the both ends about segmentation screw rod 5 all, be used for providing the connection, connecting axle 6 is installed in the connection of thread groove 53, be used for providing the connection.
Furthermore, some corrosion-resistant and wear-resistant materials such as 34CrAINi7 or CrMoV9 are added into the segmented screw 5 during manufacturing, the yield strength of the materials is about 900MPa, and after nitriding treatment, the materials have the hardness of over 1000HV and are wear-resistant and good in corrosion resistance, so that the segmented screw 5 has strong corrosion resistance and wear resistance.
Furthermore, the thread part of the screw body 4 is subjected to surfacing welding of wear-resistant alloy, the surfacing thickness is 1-2 mm, the wear-resistant alloy is composed of C, Cr, Vi, Co, W, B and other materials, and the wear resistance and corrosion resistance of the screw are improved.
Furthermore, the surface of the screw body 4 is fused with the nickel-based and tungsten carbide alloy coating through thermal spraying, so that the coating is tightly combined with the screw body 4, and the risk of coating falling and layering is avoided.
Further, the outer sleeve body 21 of the machine barrel is formed by cast steel, an alloy protective layer is thermally sprayed on the inner surface of the wear-resistant alloy lining 3, the thickness of the alloy protective layer is within a range of 1.5-2.5 mm, and the hardness of the alloy protective layer is uniform in the whole alloy layer.
Further, the thread grooves 53 at the left end and the right end of the segmented screw 5 have the same depth, and the sum of the depths of the thread grooves 53 at the left end and the right end is equal to the length of the connecting shaft 6; the screw connection body 51 and the screw connection groove 52 are engaged with each other.
Further, the thread 31 and the thread groove 29 are engaged with each other, and the bushing coupler 27 and the coupling groove 24 are engaged with each other.
The using method comprises the following steps: screwing the wear-resistant alloy bushing 3 into the segmented cylinder 2 from the left end of the segmented cylinder 2, enabling the bushing fixing ring 32 to be located on the bushing connecting body 27, aligning the fourth connecting hole 33 with the third connecting hole 28, and fixing the wear-resistant alloy bushing 3 and the segmented cylinder 2 by using a screw 35; splicing the two segmented machine barrels 2 lined with the wear-resistant alloy bushings 3 end to end, inserting the bushing connectors 27 into the connecting grooves 24 to enable the first connecting holes 23 and the second connecting holes 26 to be aligned with each other, fixing the connecting holes by bolts and nuts, and so on, and completing splicing of the machine barrel body 1; two segmented screws 5 are connected end to end through connecting shafts 6, a screw connector 51 at the left end of each segmented screw 5 is inserted into a connecting groove 52 of the other segmented screw 5 to be sequentially spliced into screw bodies 4, and after splicing is completed, an alloy coating of nickel base and tungsten carbide is fused on the surface of each screw body 4 through thermal spraying, so that close combination between the coating and the screw bodies 4 is realized, and the risk of coating falling and layering is avoided.
Claims (4)
1. Wear-resisting alloy barrel screw rod, including barrel body (1), segmentation barrel (2), barrel outer sleeve body (21), right retainer plate (22), first connecting hole (23), connecting groove (24), left retainer plate (25), second connecting hole (26), bush connector (27), third connecting hole (28), thread groove (29), wear-resisting alloy bush (3), screw thread (31), bush retainer plate (32), fourth connecting hole (33), screw (35), screw rod body (4), segmentation screw rod (5), screw rod connector (51), screw rod connecting groove (52), thread groove (53) and connecting axle (6), characterized by: the cylinder structure is characterized in that a segmented cylinder (2) is installed on a cylinder body (1), a cylinder outer sleeve (21) is installed on the segmented cylinder (2), a right fixing ring (22) is installed at the right end of the cylinder outer sleeve (21), a plurality of first connecting holes (23) are evenly distributed in the right fixing ring (22), a connecting groove (24) is formed in the right end of the cylinder outer sleeve (21), a left fixing ring (25) is arranged at the left end of the cylinder outer sleeve (21), a plurality of second connecting holes (26) are formed in the left fixing ring (25), a bushing connecting body (27) is installed on the left side of the left fixing ring (25), a plurality of third connecting holes (28) are evenly distributed in the bushing connecting body (27), a threaded groove (29) is formed in the bushing connecting body (27), a wear-resistant alloy bushing (3) is installed in the threaded groove (29), threads (31) are arranged outside the wear-resistant alloy bushing (3), a bushing fixing ring (32) is arranged at the left end of the wear-resistant alloy bushing (3), be equipped with fourth connecting hole (33) on bush retainer plate (32), install screw (35) on fourth connecting hole (33), install segmentation screw rod (5) on screw rod body (4), screw rod connector (51) are installed to segmentation screw rod (5) left end, are equipped with screw rod connecting groove (52) in segmentation screw rod (5) right-hand member, all are equipped with thread groove (53) in both ends about segmentation screw rod (5), and connecting axle (6) are installed in thread groove (53) the connection.
2. The wear resistant alloy barrel screw of claim 1, wherein: the outer sleeve body (21) of the machine barrel is formed by cast steel, an alloy protective layer is thermally sprayed on the inner surface of the wear-resistant alloy lining (3), the thickness of the alloy protective layer is within a range of 1.5-2.5 mm, and the hardness of the alloy protective layer is uniform in the whole alloy layer.
3. The wear resistant alloy barrel screw of claim 1, wherein: the depths of the thread grooves (53) at the left end and the right end of the segmented screw rod (5) are equal, and the sum of the depths of the thread grooves (53) at the left end and the right end is equal to the length of the connecting shaft (6); the screw connecting body (51) is matched with the screw connecting groove (52).
4. The wear resistant alloy barrel screw of claim 1, wherein: the thread (31) is matched with the thread groove (29), and the lining connecting body (27) is matched with the connecting groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128783.5U CN214056383U (en) | 2020-09-25 | 2020-09-25 | Wear-resistant alloy barrel screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128783.5U CN214056383U (en) | 2020-09-25 | 2020-09-25 | Wear-resistant alloy barrel screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214056383U true CN214056383U (en) | 2021-08-27 |
Family
ID=77395997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022128783.5U Active CN214056383U (en) | 2020-09-25 | 2020-09-25 | Wear-resistant alloy barrel screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214056383U (en) |
-
2020
- 2020-09-25 CN CN202022128783.5U patent/CN214056383U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8317396B2 (en) | Hybrid bearing cylinder | |
| EP1259703B1 (en) | Thread joint and rock drill element | |
| CN214056383U (en) | Wear-resistant alloy barrel screw | |
| US20140086769A1 (en) | Pony rod, connecting rod, and crosshead assemblies and method | |
| WO2009016453A2 (en) | Drill pipe with tool joints | |
| CN206017465U (en) | A kind of wear-resisting expansion set | |
| CN2865933Y (en) | Water-cooling circulating rotary joint | |
| JP5796019B2 (en) | Barrel of clay gun equipment for metallurgical furnace | |
| CN219221083U (en) | Novel coupler capable of being replaced quickly and realizing angular compensation | |
| CN111197670A (en) | Fiber reinforced composite material and metal composite pipe | |
| US5536050A (en) | Connection for fabricating mandrel bar from used segments | |
| CN215762818U (en) | Bearing bush with repairable structure | |
| RU68090U1 (en) | DRILL PIPE WITH CONNECTING LOCKS | |
| CN1072626A (en) | Adopt the method that (or wear-resistant paint processing) repairs (manufacturing) aluminum hull gear oil pump of electroplating | |
| CN209084195U (en) | A kind of fibre reinforced composites and metal composite pipe | |
| CN209041314U (en) | A kind of corrosion-resistant crankshaft | |
| CN213575115U (en) | Novel transmission shaft with high torsional strength | |
| CN220540567U (en) | Novel wear-resisting elbow of buggy | |
| CN215108777U (en) | Repair cladding sucker rod | |
| CN216279045U (en) | Novel high-wear-resistance shaft sleeve | |
| CN111020448A (en) | Wear-resistant anti-corrosion sucker rod coupling with oil storage and oil supplement channel on surface and preparation process | |
| CN220015755U (en) | Wear-resistant and corrosion-resistant threaded element | |
| CN214000518U (en) | Halogen-free machine barrel | |
| US20230211399A1 (en) | Composite rod and its processing method | |
| CN116291234B (en) | Corrosion-resistant oil casing and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |