CN215143696U - Bidirectional extrusion device for thin and long thin-wall pipe - Google Patents
Bidirectional extrusion device for thin and long thin-wall pipe Download PDFInfo
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- CN215143696U CN215143696U CN202120970243.3U CN202120970243U CN215143696U CN 215143696 U CN215143696 U CN 215143696U CN 202120970243 U CN202120970243 U CN 202120970243U CN 215143696 U CN215143696 U CN 215143696U
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Abstract
The utility model discloses a bidirectional extrusion device for a slender thin-wall pipe, which comprises a frame main body, an extrusion component and a compression component; the pair of extrusion assemblies are arranged at the two ends of the frame main body in a bilateral symmetry manner, each group of extrusion assemblies comprises an extrusion cylinder and an extrusion sliding block, and the output ends of the extrusion cylinders, which stretch left and right, are connected with the extrusion sliding blocks; the pressing assembly comprises a first pressing assembly and a pair of second pressing assemblies, the first pressing assembly is positioned in the middle of the rack main body and comprises a first pressing oil cylinder, an upper die base and a lower die base, the upper die base is fixedly connected with an output end of the first pressing oil cylinder, the output end of the first pressing oil cylinder stretches downwards, the lower die base is positioned below the upper die base, the pair of second pressing assemblies are positioned on two sides of the first pressing assembly, and each group of second pressing assemblies comprises a second pressing oil cylinder, a pressing block and a supporting block; the bidirectional extrusion device for the slender thin-wall pipe is simple in structure, capable of achieving bidirectional extrusion processing of the slender thin-wall pipe, more efficient, suitable for slender thin-wall pipes of different lengths and wide in application range.
Description
Technical Field
The utility model relates to a tubular product processing field, concretely relates to effective bidirectional extrusion device of long and thin wall.
Background
The reducing and expanding of parts such as slender thin-wall pipes and vehicle axles are thickened on the end faces of workpieces in a diameter reducing mode or an expanding mode, and the modes of direct insertion welding production, friction welding production and the like are generally adopted. The method has the advantages of high manufacturing cost and energy consumption, complex process, high energy consumption, easy generation of defects of tension crack, corrugation, thin wall, uneven wall thickness and the like.
The existing bidirectional extrusion equipment cannot effectively compress and support the slender thin-walled tube, so that uneven stress is easily caused in the extrusion process, and in addition, the processing of slender thin-walled tubes with different lengths cannot be met.
Disclosure of Invention
The utility model provides a two-way extrusion device for thin and long thin-walled pipe, simple structure not only realizes compressing tightly fixedly to thin and long thin-walled pipe, and guarantee two-way extrusion processing is more high-efficient, is suitable for the thin and long thin-walled pipe of different length moreover, and application range is wider.
In order to achieve the purpose, the bidirectional extrusion device for the slender thin-wall tube comprises a frame main body, an extrusion assembly and a pressing assembly;
the pair of extrusion assemblies are arranged at two ends of the frame main body in a bilateral symmetry mode, each group of extrusion assemblies comprises an extrusion cylinder and an extrusion sliding block, the extrusion cylinders are fixedly arranged on the frame main body, and the output ends of the left and right telescopic extrusion cylinders are connected with the extrusion sliding blocks;
the pair of extrusion sliding blocks are positioned in the frame main body and move inwards or outwards relatively;
the pressing assembly comprises a first pressing assembly and a pair of second pressing assemblies, the first pressing assembly is positioned in the middle of the rack main body and comprises a first pressing oil cylinder fixed on the rack main body, an upper die holder fixedly connected with the downward telescopic output end of the first pressing oil cylinder and a lower die holder positioned below the upper die holder, and the lower die holder is arranged on the rack main body through a supporting seat;
the pair of second pressing assemblies are positioned on two sides of the first pressing assembly, and each group of second pressing assemblies comprises a second pressing oil cylinder, a pressing block and a supporting block;
the output end of the second pressing oil cylinder which stretches downwards is connected with the pressing block, and the supporting block is positioned below the pressing block;
the upper die holder, the lower die holder, the pressing block and the supporting block are matched with the outer surface of the slender pipe;
the extrusion cylinder, the first compression oil cylinder and the second compression oil cylinder are respectively connected with a hydraulic system and provide hydraulic power for the extrusion cylinder, the first compression oil cylinder and the second compression oil cylinder through the hydraulic system.
Furthermore, a first slide rail and a second slide rail are correspondingly arranged at the upper end and the lower end of the rack main body, and the first slide rail and the second slide rail are arranged left and right;
the second pressing oil cylinder is fixedly arranged on the pressing sliding block, and the pressing sliding block is arranged on the first sliding rail in a sliding manner;
the supporting block is arranged on the supporting slide block, and the supporting slide block is arranged on the second slide rail in a sliding mode.
Furthermore, the supporting sliding block comprises a first block and a second block, the first block and the second block are detachably connected through bolts and enclose a sliding groove matched with the second sliding rail, and the second sliding rail is embedded in the sliding groove.
The blanking assembly is arranged at the supporting seat and comprises a blanking hydraulic cylinder and a blanking plate, the front end of the blanking plate is rotatably connected with the supporting seat along a left-right arranged axis, the middle part of the blanking plate is connected with an output end of the blanking hydraulic cylinder, which stretches up and down, and the blanking hydraulic cylinder is rotatably arranged on the frame main body; when the blanking plate overturns along the front end thereof, the rear end thereof is higher than the upper end of the lower die seat.
Furthermore, elastic materials are coated on one sides of the upper die holder, the lower die holder, the pressing block and the supporting block, which are close to the slender pipe.
Furthermore, an adjusting block with a lifting function is arranged between the supporting slide block and the supporting block.
Compared with the prior art, the bidirectional extrusion device for the slender thin-walled tube is provided with the extrusion assembly and the pressing assembly, the upper die base and the pressing block are respectively driven by the first pressing oil cylinder and the second pressing oil cylinder to press down the upper end of the slender thin-walled tube, the middle part and the two parts of the slender thin-walled tube are pressed and fixed, and the two ends of the slender thin-walled tube are subjected to bidirectional extrusion processing through the extrusion cylinder, so that the efficiency of bidirectional extrusion on the slender thin-walled tube is higher; the second pressing oil cylinder is arranged on the first slide rail in a sliding mode through the pressing slide block, and the supporting block is arranged on the second slide rail in a sliding mode through the supporting slide block, so that before bidirectional extrusion, the positions of the supporting block and the corresponding second pressing oil cylinder can be adjusted according to the length of the slender thin-walled tube, the double-acting double-wall extrusion die is suitable for slender thin-walled tubes with different lengths, and the application range is wider; the bidirectional extrusion device for the slender thin-walled tube is simple in structure, capable of achieving compression and fixation of the slender thin-walled tube, guaranteeing bidirectional extrusion processing, more efficient, suitable for slender thin-walled tubes of different lengths and wider in application range.
Drawings
Fig. 1 is an overall front view of the present invention;
fig. 2 is an overall plan view of the present invention;
fig. 3 is a left side view of the support slider structure of the present invention;
in the figure: 1. the automatic blanking device comprises a rack main body, 11, a first slide rail, 12, a second slide rail, 21, an extrusion cylinder, 22, an extrusion sliding block, 31, a first pressing oil cylinder, 32, an upper die holder, 33, a lower die holder, 34, a blanking assembly, 35, a supporting seat, 41, a second pressing oil cylinder, 42, a pressing block, 43, a pressing sliding block, 44, a supporting sliding block, 45, a supporting block, 46, a first block, 47, a second block, 5 and a hydraulic system.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, the bidirectional extrusion device for the slender thin-walled tube comprises a frame main body 1, an extrusion assembly and a compression assembly;
the pair of extrusion assemblies are arranged at two ends of the rack main body 1 in a bilateral symmetry mode, each group of extrusion assemblies comprises an extrusion cylinder 21 and an extrusion sliding block 22, the extrusion cylinders 21 are fixedly arranged on the rack main body 1, and the output ends of the left and right telescopic assemblies are connected with the extrusion sliding blocks 22;
a pair of extrusion sliding blocks 22 are positioned in the frame main body 1 and move inwards or outwards relatively;
the pressing assembly comprises a first pressing assembly and a second pressing assembly, the first pressing assembly is positioned in the middle of the rack main body 1 and comprises a first pressing oil cylinder 31 fixed on the rack main body 1, an upper die base 32 fixedly connected with an output end of the first pressing oil cylinder 31, which stretches downwards, and a lower die base 33 positioned below the upper die base 32, and the lower die base 33 is arranged on the rack main body 1 through a supporting base 35;
the pair of second pressing components are positioned at two sides of the first pressing component, and each group of second pressing components comprises a second pressing oil cylinder 41, a pressing block 42 and a supporting block 45;
the output end of the second pressing oil cylinder 41 which stretches downwards is connected with the pressing block 42, and the supporting block 45 is positioned below the pressing block 42;
the upper die holder 32, the lower die holder 33, the pressing block 42 and the supporting block 45 are matched with the outer surface of the slender pipe;
the extrusion cylinder 21, the first pressing oil cylinder 31 and the second pressing oil cylinder 41 are respectively connected with the hydraulic system 5 and provide hydraulic power for the hydraulic system 5;
further, a first slide rail 11 and a second slide rail 12 are correspondingly arranged at the upper end and the lower end of the rack main body 1, and the first slide rail 11 and the second slide rail 12 are arranged left and right;
the second pressing oil cylinder 41 is fixedly arranged on a pressing slide block 43, and the pressing slide block 43 is arranged on the first slide rail 11 in a sliding manner;
the supporting block 45 is arranged on the supporting slide block 44, and the supporting slide block 44 is arranged on the second slide rail 12 in a sliding manner;
as shown in fig. 3, further, the support slider 44 includes a first block 46 and a second block 47, the first block 46 and the second block 47 are detachably connected by bolts and enclose a sliding slot matching with the second sliding rail 12, and the second sliding rail 12 is embedded in the sliding slot;
further, the device also comprises a blanking assembly 34, wherein the blanking assembly 34 is arranged at the supporting seat 35 and comprises a blanking hydraulic cylinder and a blanking plate, the front end of the blanking plate is rotatably connected with the supporting seat 35 along a left-right arranged axis, the middle part of the blanking plate is connected with an output end of the blanking hydraulic cylinder which stretches up and down, and the blanking hydraulic cylinder is rotatably arranged on the frame main body 1; when the blanking plate is turned over along the front end of the blanking plate, the rear end of the blanking plate is higher than the upper end of the lower die seat 33;
after the slender thin-walled tube is processed through the pressing assembly and the extruding assembly, the blanking assembly 34 is started, namely, the output end of the blanking hydraulic cylinder drives the blanking plate to rotate along the front part of the blanking plate, namely, the blanking plate is turned over, so that the blanking plate is turned over above the lower die seat 33 to jack and turn the slender thin-walled tube on the lower die seat 33, and blanking of the slender thin-walled tube is completed.
Further, one side of the upper die holder 32, one side of the lower die holder 33, one side of the pressing block 42 and one side of the supporting block 45 close to the slender pipe are coated with an elastic material;
furthermore, an adjusting block with a lifting function is arranged between the supporting slide block 44 and the supporting block 45; the height between the supporting slide block 44 and the supporting block 45 can be adjusted according to the using condition through the adjusting block, so that the slender thin-walled tubes with different diameters are horizontally centered during bidirectional extrusion.
When the bidirectional extrusion device for the slender thin-walled tube is used, firstly, the slender thin-walled tube to be extruded is placed in the rack main body 1, for example, the slender thin-walled tube is transmitted into the rack main body 1 from the rear side of the rack main body 1 through the transportation assembly, the slender thin-walled tube is supported and limited through the lower die holder 33 in the middle and the pair of supporting blocks 45 on two sides of the slender thin-walled tube, namely, the lower die holder 33 supports the middle of the slender thin-walled tube, and the pair of supporting blocks 45 supports the corresponding two parts of the slender thin-walled tube;
then, the first pressing oil cylinder 31 and the second pressing oil cylinder 41 are started to respectively drive the upper die holder 32 and the pressing block 42 to press the upper end of the slender thin-walled tube, so that the slender thin-walled tube is pressed and fixed, then the extrusion cylinders 21 on the two sides of the frame main body 1 are started, the extrusion slide blocks 22 are relatively close to the inner side, so that the ends of the slender thin-walled tube are extruded, and therefore, the bidirectional extrusion of the slender thin-walled tube is completed, and the efficiency is higher; in addition, the supporting block 45 and the pressing block 42 can be arranged vertically and correspondingly, and the extrusion sliding block 22, the supporting block 45 and the upper die base 32 are at the same height, so that deformation caused by uneven stress of the slender thin-walled tube when the slender thin-walled tube is pressed and fastened is avoided;
because the second pressing oil cylinder 41 is arranged on the first slide rail 11 in a sliding manner through the pressing slide block 43, and the supporting block 45 is arranged on the second slide rail 12 in a sliding manner through the supporting slide block 44, before bidirectional extrusion, the positions of the supporting block 45 and the corresponding second pressing oil cylinder 41 can be adjusted according to the length of the elongated thin-walled pipe, the bidirectional extrusion die is applicable to elongated thin-walled pipes with different lengths, the application range is wider, in addition, the pressing slide block 43 and the supporting slide block 44 can be mutually linked, namely in the sliding process of the pressing slide block 43, the supporting slide block 44 correspondingly slides, and the supporting block 45 is ensured to be positioned below the pressing block 42, further, a pair of second pressing assemblies are also mutually linked, namely the distance from the pressing slide block 43 on the left side to the first pressing assembly is consistent with the distance from the pressing slide block 43 on the right side to the first pressing assembly;
in addition, the supporting slide blocks 44 are detachably and slidably arranged on the second slide rail 12, when the device is used for processing a short thin-walled tube, the left and right pair of supporting slide blocks 44 and the supporting seat 35 can be detached, the extrusion slide block 22 can smoothly pass through the position of the supporting seat 35, the interference of the supporting seat 35 is avoided, and the bidirectional extrusion of the short thin-walled tube is realized;
the corresponding detachable structure is shown in fig. 3, the supporting slide block 44 includes a first block 46 and a second block 47, the first block 46 and the second block 47 are detachably connected through bolts, and enclose a sliding groove matched with the second sliding rail 12, so that the supporting slide block 44 can be quickly detached from the second sliding rail 12 while the mutual sliding with the second sliding rail 12 is not affected, and the pressing slide block 43 can also be detached from the first sliding rail 11 in this way.
Claims (6)
1. The bidirectional extrusion device for the slender thin-wall pipe is characterized by comprising a rack main body (1), an extrusion assembly and a pressing assembly;
the pair of extrusion assemblies are arranged at two ends of the rack main body (1) in a bilateral symmetry mode, each group of extrusion assemblies comprises an extrusion cylinder (21) and an extrusion sliding block (22), the extrusion cylinders (21) are fixedly mounted on the rack main body (1), and the output ends of the left and right telescopic assemblies are connected with the extrusion sliding blocks (22);
a pair of extrusion sliding blocks (22) are positioned in the frame main body (1) and move inwards or outwards relatively;
the pressing assembly comprises a first pressing assembly and a pair of second pressing assemblies, the first pressing assembly is positioned in the middle of the rack main body (1) and comprises a first pressing oil cylinder (31) fixed on the rack main body (1), an upper die holder (32) fixedly connected with an output end of the first pressing oil cylinder (31) in a downward telescopic mode and a lower die holder (33) positioned below the upper die holder (32), and the lower die holder (33) is arranged on the rack main body (1) through a supporting seat (35);
the pair of second pressing components are positioned at two sides of the first pressing component, and each group of second pressing components comprises a second pressing oil cylinder (41), a pressing block (42) and a supporting block (45);
the output end of the second pressing oil cylinder (41) which stretches downwards is connected with a pressing block (42), and the supporting block (45) is positioned below the pressing block (42);
the upper die holder (32), the lower die holder (33), the pressing block (42) and the supporting block (45) are matched with the outer surface of the slender pipe;
the extrusion cylinder (21), the first pressing oil cylinder (31) and the second pressing oil cylinder (41) are respectively connected with the hydraulic system (5) and provide hydraulic power for the extrusion cylinder, the first pressing oil cylinder and the second pressing oil cylinder through the hydraulic system (5).
2. The bidirectional extrusion device for the slender thin-walled tube according to claim 1, wherein the upper end and the lower end of the frame main body (1) are respectively provided with a first slide rail (11) and a second slide rail (12), and the first slide rail (11) and the second slide rail (12) are arranged in a left-right manner;
the second pressing oil cylinder (41) is fixedly arranged on the pressing sliding block (43), and the pressing sliding block (43) is arranged on the first sliding rail (11) in a sliding mode;
the supporting block (45) is arranged on the supporting slide block (44), and the supporting slide block (44) is arranged on the second slide rail (12) in a sliding mode.
3. The bidirectional extrusion device for the elongated thin-walled tube as recited in claim 2, wherein the support slider (44) comprises a first block (46) and a second block (47), the first block (46) and the second block (47) are detachably connected through bolts and enclose a sliding groove matched with the second sliding rail (12), and the second sliding rail (12) is embedded in the sliding groove.
4. The bidirectional extrusion device for the elongated thin-walled tube as recited in any one of claims 1 to 3, further comprising a blanking assembly (34), wherein the blanking assembly (34) is disposed at the support seat (35) and comprises a blanking hydraulic cylinder and a blanking plate, the front end of the blanking plate is rotatably connected with the support seat (35) along a left-right arranged axis, the middle part of the blanking plate is connected with an output end of the blanking hydraulic cylinder which extends and retracts up and down, and the blanking hydraulic cylinder is rotatably mounted on the frame body (1); when the blanking plate is overturned along the front end thereof, the rear end thereof is higher than the upper end of the lower die seat (33).
5. The apparatus of claim 4, wherein the upper die holder (32), the lower die holder (33), the hold-down block (42) and the support block (45) are coated with an elastomeric material on a side of the elongated tube adjacent thereto.
6. The bidirectional extrusion device for thin and long thin-walled tubes as claimed in claim 3, wherein an adjusting block with lifting function is arranged between the supporting slider (44) and the supporting block (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120970243.3U CN215143696U (en) | 2021-05-08 | 2021-05-08 | Bidirectional extrusion device for thin and long thin-wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120970243.3U CN215143696U (en) | 2021-05-08 | 2021-05-08 | Bidirectional extrusion device for thin and long thin-wall pipe |
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| Publication Number | Publication Date |
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| CN215143696U true CN215143696U (en) | 2021-12-14 |
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| CN202120970243.3U Active CN215143696U (en) | 2021-05-08 | 2021-05-08 | Bidirectional extrusion device for thin and long thin-wall pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378165A (en) * | 2021-12-30 | 2022-04-22 | 张家港乔昇精密机械制造有限公司 | Full-automatic crowded mouthful machine of double-end of material loading extrusion integration |
-
2021
- 2021-05-08 CN CN202120970243.3U patent/CN215143696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378165A (en) * | 2021-12-30 | 2022-04-22 | 张家港乔昇精密机械制造有限公司 | Full-automatic crowded mouthful machine of double-end of material loading extrusion integration |
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