CN220240654U - Seamless metal tube production line - Google Patents

Abstract

The utility model relates to the field of extrusion molding, in particular to a seamless metal tube production line, which comprises a feeding mechanism, wherein the feeding mechanism comprises a first material frame and a second material frame, the first material frame is used for releasing a metal coiled material, and the second material frame is used for coiling the metal coiled material; the first cutting mechanism is arranged between the first material frame and the second material frame and is used for cutting out hollow areas on the metal coiled material, and the raw material of the metal coiled material between the adjacent hollow areas is a coiled pipe raw material; the extrusion mechanism is arranged between the first cutting mechanism and the second material frame and is used for rolling the coiled pipe raw material into an ultrafine metal pipe; the welding mechanism is arranged between the extrusion mechanism and the second material rack and is used for fully welding gaps on the side wall of the superfine metal pipe to form a seamless metal pipe; and the second cutting mechanism is arranged between the welding mechanism and the second material frame and is used for cutting the seamless metal tube from the metal coiled material. Benefits of the seamless metal tube production line include high production efficiency.

Description

Seamless metal tube production line

Technical Field

The utility model relates to the field of extrusion molding, in particular to a seamless metal tube production line.

Background

The ultra-fine seamless metal tube belongs to a precision part and has wide application, for example, the ultra-fine seamless metal tube is used for medical puncture and can assist in minimally invasive surgery, the prior CN212821813U is a patent applied by the applicant in 2020, and an injection molding method is used for manufacturing the ultra-fine seamless metal tube, but the injection molding method is used for manufacturing the ultra-fine seamless metal tube, and processes such as metal powder heating, injection molding, cooling molding in a mold and the like are needed, so that each mold product needs a long time to be manufactured, and the problem of insufficient production efficiency exists.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to: the production line and the production method for the seamless metal tube are high in production efficiency.

The utility model adopts the technical scheme that: a seamless metal tube production line comprising:

a seamless metal tube production line for processing metal coiled materials, comprising: the feeding mechanism comprises a first material rack and a second material rack, wherein the first material rack is used for releasing the metal coiled material, and the second material rack is used for rolling the metal coiled material; the first cutting mechanism is used for cutting out hollow areas on the metal coiled material, and the raw material of the metal coiled material between adjacent hollow areas is a coiled pipe raw material; the extrusion mechanism is used for rolling the coiled pipe raw material into an ultrafine metal pipe; the welding mechanism is used for fully welding the gaps on the side wall of the superfine metal pipe to form a seamless metal pipe; the second cutting mechanism is used for cutting the seamless metal tube from the metal coiled material.

The seamless metal pipe production line takes the metal coiled material as the production raw material, and can realize continuous production.

As a further improvement of the technical scheme, the feeding mechanism further comprises a feeding roller set and a pulling mechanism; the feeding roller set is arranged between the first material frame and the first cutting mechanism; the material pulling mechanism is arranged on the left side of the second material rack and is used for clamping the metal coiled material and pulling the metal coiled material rightwards; the sorting manipulator is arranged between the second cutting mechanism and the material pulling mechanism and is used for sorting the seamless metal tubes. The feeding roller group is used for providing power for releasing the metal coiled material, and the material pulling mechanism is used for providing power for winding the metal coiled material.

As a further improvement of the above technical solution, a positioning feature processing mechanism is further provided between the first material frame and the first cutting mechanism, and the positioning feature processing mechanism is used for processing positioning features on the metal coiled material. The positioning feature processing mechanism may be a laser engraving mechanism or a stamping mechanism, etc.

As a further improvement of the above technical solution, the positioning feature processing mechanism is a punching mechanism, and the punching mechanism can punch out a plurality of positioning features arranged front and back on the metal coiled material; the first cutting mechanism, the extrusion mechanism, the welding mechanism and the second cutting mechanism all comprise positioning columns, and after the metal coiled material moves rightwards for a certain distance, the positioning columns can be downwards spliced with the positioning features. The positioning column is matched with the positioning feature, so that the metal coiled material can be positioned before processing, and the processing precision is ensured.

As a further improvement of the technical scheme, the extrusion mechanism comprises a prepressing mechanism and a forming mechanism, wherein the prepressing mechanism is used for extruding the coiled pipe raw material into a strip-shaped blank with a U-shaped cross section, and the forming mechanism is used for extruding the strip-shaped blank into an ultrafine metal pipe with a round or oval cross section.

As a further improvement of the technical scheme, the pre-pressing mechanism comprises a pre-pressing upper die, a pre-pressing die core and a pre-pressing lower die, wherein a pre-pressing die cavity is arranged in the pre-pressing lower die, the lower end of the pre-pressing upper die moves downwards and is abutted with the coiled pipe raw material on the pre-pressing die core, the pre-pressing lower die is lifted upwards for a certain distance, and the coiled pipe raw material is extruded into a strip-shaped blank with a U-shaped section by the inner wall of the pre-pressing die cavity; the forming mechanism comprises an upper forming die and a lower forming die which can move up and down relatively to extrude the strip-shaped blank into the superfine metal tube.

As a further improvement of the above technical solution, the second cutting mechanism includes two cutting tools arranged along the front-rear direction, and the two cutting tools can move downward simultaneously to cut two ends of the ultrafine metal tube.

The beneficial effects of the utility model are as follows: the metal coiled material can be utilized, and the metal tube can be continuously seamless in a blanking and extrusion mode, so that the production efficiency is high.

Drawings

The utility model is further illustrated by the following description and examples of the embodiments in conjunction with the accompanying drawings.

FIG. 1 is a front view of a seamless metal tube production line of the present utility model;

FIG. 2 is a seamless metal tube;

FIG. 3 is an embodiment of a metal coil;

FIG. 4 is a schematic illustration of the metal coil of FIG. 3 after being machined with locating features and hollowed-out areas;

FIG. 5 is another embodiment of a metal coil;

FIG. 6 is a schematic illustration of the metal coil of FIG. 5 after being machined with locating features and hollowed-out areas;

FIG. 7 is a right side view of the feed roll set;

fig. 8 is an enlarged view of a portion a of fig. 7;

FIG. 9 is a top view of a feed roll set;

FIG. 10 is a right side view of the indexing feature machine;

fig. 11 is an enlarged view of a portion B of fig. 10;

FIG. 12 is a right side view of the pre-compression mechanism;

FIG. 13 is a schematic view of the precompression mechanism prior to precompression;

FIG. 14 is a schematic view of the precompression mechanism at the beginning of precompression;

FIG. 15 is a schematic view of the pre-pressing mechanism during pre-pressing;

FIG. 16 is a schematic view of the pre-compression upper die of the pre-compression mechanism upon reset;

FIG. 17 is a schematic view of the prepressing mechanism with the prepressing die core reset;

FIG. 18 is a right side view of the molding mechanism;

FIG. 19 is a schematic view of a molding mechanism prior to molding;

FIG. 20 is a schematic view of a molding mechanism during molding;

FIG. 21 is a schematic view of the molding mechanism at the completion of molding;

FIG. 22 is a right side view of the welding mechanism;

fig. 23 is an enlarged view of a portion D of fig. 22;

FIG. 24 is a right side view of the second cutting mechanism;

fig. 25 is an enlarged view of the portion E of fig. 24;

fig. 26 is a right side view of the structure shown in section E.

In the figure: 10-metal coiled material, 101-positioning features, 102-hollow areas, 103-coiled pipe raw materials, 104-strip-shaped blanks, 105-ultrafine metal pipes, 106-seamless metal pipes, 11-first material racks, 12-second material racks, 13-feeding roller sets, 14-material tanks, 15-material pulling mechanisms, 3-positioning feature processing mechanisms, 4-first cutting mechanisms, 50-extrusion mechanisms, 51-prepressing mechanisms, 511-prepressing upper dies, 512-prepressing die cores, 513-prepressing lower dies, 52-forming mechanisms, 521-forming upper dies, 522-forming lower dies, 6-welding mechanisms, 7-visual inspection mechanisms, 8-second cutting mechanisms, 81-cutting tools, 91-positioning columns and 92-upper pressing plates.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1-26, a seamless metal tube production line is provided for processing a metal coil 10.

Referring to fig. 1, the seamless metal pipe production line includes, in order: a first material rack 11, a feeding roller set 13, a positioning feature processing mechanism 3, a first cutting mechanism 4, an extrusion mechanism 50, a welding mechanism 6, a second cutting mechanism 8, a sorting manipulator, a material pulling mechanism and a second material rack 12. Wherein the pressing mechanism 50 includes a pre-pressing mechanism 51 and a molding mechanism 52.

Fig. 2 is a finished seamless metal tube product processed by the production line of the seamless metal tube. The raw material processed by the seamless metal tube production line is a metal coiled material 10 shown in fig. 3 or 5, and the thickness of the metal coiled material 10 is different at different width positions.

Referring to fig. 4, the metal coil 10 of fig. 3 is shown after the locating features 101 and the hollowed-out areas 102 are machined.

Referring to fig. 6, the metal coil 10 of fig. 5 is shown after the locating features 101 and the hollowed-out areas 102 are machined.

Referring to fig. 7 to 9, the feed roller set 13 is disposed between the first work frame 11 and the first cutting mechanism 4; the feeding roller set 13 comprises two feeding rollers vertically arranged, the feeding rollers positioned at the lower side are arranged on a trough 14, the width of the trough 14 is consistent with that of the metal coiled material 10, and the feeding roller set 13 is driven to rotate by a motor, so that the metal coiled material 10 clamped in the feeding roller set 13 is conveyed rightward.

Referring to fig. 10 and 11, the positioning feature processing mechanism 3 is used for processing the positioning feature 101 on the metal coiled material 10, the positioning feature processing mechanism 3 is a punching mechanism, the punching mechanism can punch out a plurality of positioning features 101 arranged front and back on the metal coiled material 10, the punching mechanism can adopt conventional punching equipment, and comprises a punching machine table, an upper pressing plate 92 and a punching cutter which are arranged on the punching machine table, the upper pressing plate 92 is driven by a power mechanism such as a motor to press the metal coiled material 10, and then a through hole is processed on the metal coiled material 10 by the punching cutter to serve as the positioning feature 101.

The first cutting mechanism 4 is used for cutting out hollow areas 102 on the metal coiled material 10, and raw materials of the metal coiled material 10 between adjacent hollow areas 102 are coiled pipe raw materials 103. The positioning column and the upper pressing plate 92 are arranged on the machine table of the first cutting mechanism 4, the metal coiled material 10 is positioned by utilizing the positioning column 91 and the positioning feature 101 which are mutually matched, redundant materials of the metal coiled material 10 are cut off by utilizing the pressing action of the blanking cutter of the first cutting mechanism 4 to form a hollowed-out area 102, and the blanking cutter, the positioning column 91 and the upper pressing plate 92 are driven by a power mechanism to move downwards and reset.

Referring to fig. 12, the pre-pressing mechanism 51 includes a pre-pressing upper die 511, a pre-pressing die core 512, and a pre-pressing lower die 513, a pre-pressing die cavity being provided in the pre-pressing lower die 513, the pre-pressing die core 512 being provided in the pre-pressing die cavity.

Referring to fig. 13-17, after the metal coil 10 is fed into the pre-pressing mechanism 51, after the metal coil 10 moves rightward by a certain distance, the positioning feature 101 moves right under the positioning post 91, the positioning post 91 is driven downward by the power mechanism to be inserted and connected with the pin, so as to position the metal coil 10, then the pre-pressing upper die 511 moves downward until the coil stock 103 is pressed on the pre-pressing die core 512, then moves upward by 513 until the coil stock 103 is pressed into a strip-shaped blank 104 with a U-shaped cross section by the inner wall of the pre-pressing die cavity, and then the positioning post 91, the pre-pressing upper die 511 and the pre-pressing lower die 513 are reset.

Referring to fig. 18, the forming mechanism 52 includes an upper forming die 521 and a lower forming die 522, and referring to fig. 19 to 21, a lower forming groove adapted to the bar-shaped blank 104 is provided on the lower forming die 522, an upper forming groove is provided on the upper forming die 521, and the upper forming die 521 and the lower forming die 522 are relatively movable up and down to insert the bar-shaped blank 104 into the lower forming groove and the upper forming groove and to press the bar-shaped blank 104 into the ultra-fine metal pipe 105. After the metal coiled material 10 enters the forming mechanism 52, the positioning feature 101 moves to the position right below the positioning post 91, the positioning post 91 is driven by the power mechanism to be inserted into the positioning feature 101 downwards, so that the metal coiled material 10 is positioned, then the power mechanism drives the upper forming die 521 and the lower forming die 522 to be close to each other, the strip-shaped blank 104 is extruded into the ultra-fine metal tube 105, and then the positioning post 91, the upper forming die 521 and the lower forming die 522 are reset.

Referring to fig. 22, the welding mechanism 6 is used to weld the slit on the side wall of the ultra-fine metal pipe 105 to form a seamless metal pipe 106. Referring to fig. 23, a clamping block is provided on a machine of the welding mechanism 6 for clamping the ultra-fine metal pipe 105, and after the welding head welds the gap on the ultra-fine metal pipe 105, the clamping block is controlled to be released by a power mechanism of the welding mechanism 6, so that the metal coiled material 10 can drive the seamless metal pipe 106 to move rightwards.

Referring to fig. 24, a second cutting mechanism 8 is provided between the welding mechanism 6 and the second work frame 12 for cutting the seamless metal pipe 106 from the metal coil 10.

Referring to fig. 25, the second cutting mechanism 8 includes two cutting tools 81 arranged in the front-rear direction, the two cutting tools 81 being arranged front-rear and capable of simultaneously moving downward to cut both ends of the seamless metal pipe 106, and cut the seamless metal pipe 106 from the metal coil 10. An upper pressing plate 92 is arranged between the cutting tools 81, the upper pressing plate 92 and the cutting tools 81 are driven to be pressed down together by a power mechanism of the second cutting mechanism 8, and then the cutting tools 81 are further driven to be pressed down to cut off the end part of the seamless metal tube 106.

Also included is a sorting robot (not shown) for sorting the seamless metal tubes 106, which may be used to sort the seamless metal tubes 106 manually, by a robot or by other means known in the art.

The material pulling mechanism 15 is used for clamping the metal coiled material 10 and pulling the metal coiled material 10 to the right, and the material pulling mechanism 15 can be a conveyor belt or a conveyor roller mechanism capable of conveying in a gap.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (7)

1. A seamless metal tube production line for processing a metal coil (10), comprising:

the feeding mechanism, the first cutting mechanism (4), the extruding mechanism (50), the welding mechanism (6) and the second cutting mechanism (8) are sequentially arranged from left to right;

the feeding mechanism comprises a first material rack (11) and a second material rack (12), wherein the first material rack (11) is used for releasing the metal coiled material (10), and the second material rack (12) is used for coiling the metal coiled material (10);

the first cutting mechanism (4) is used for cutting out hollowed-out areas (102) on the metal coiled material (10), and raw materials of the metal coiled material (10) between adjacent hollowed-out areas (102) are coiled pipe raw materials (103);

the extrusion mechanism (50) is used for rolling the coiled pipe raw material (103) into an ultrafine metal pipe (105);

the welding mechanism (6) is used for fully welding gaps on the side wall of the superfine metal pipe (105) to form a seamless metal pipe (106);

a second cutting mechanism (8) is used for cutting the seamless metal tube (106) from the metal coiled material (10).

2. A seamless metal tube production line according to claim 1, wherein: the feeding mechanism further comprises a feeding roller set (13) and a pulling mechanism (15);

the feeding roller set (13) is arranged between the first material frame (11) and the first cutting mechanism (4) and is used for pulling the metal coiled material (10) on the first material frame (11) rightwards;

the material pulling mechanism (15) is arranged on the left side of the second material frame (12), and the material pulling mechanism (15) is used for clamping the metal coiled material (10) and pulling the metal coiled material (10) rightwards;

the seamless metal tube sorting machine further comprises a sorting manipulator which is arranged between the second cutting mechanism (8) and the material pulling mechanism (15) and is used for sorting the seamless metal tube (106).

3. A seamless metal tube production line according to claim 1, wherein:

and a positioning feature machining mechanism (3) is further arranged between the first material frame (11) and the first cutting mechanism (4), and the positioning feature machining mechanism (3) is used for machining positioning features (101) on the metal coiled material (10).

4. A seamless metal tube production line according to claim 3, wherein:

the positioning feature processing mechanism (3) is a punching mechanism which can punch out a plurality of positioning features (101) arranged front and back on the metal coiled material (10);

the first cutting mechanism (4), the extrusion mechanism (50), the welding mechanism (6) and the second cutting mechanism (8) comprise positioning columns (91), and after the metal coiled material (10) moves rightwards for a certain distance, the positioning columns (91) can be downwards spliced with the positioning features (101).

5. A seamless metal tube production line according to claim 1, wherein:

the extrusion mechanism (50) comprises a pre-pressing mechanism (51) and a forming mechanism (52), wherein the pre-pressing mechanism (51) is used for extruding the coiled pipe raw material (103) into a strip-shaped blank (104) with a U-shaped cross section, and the forming mechanism (52) is used for extruding the strip-shaped blank (104) into an ultrafine metal pipe (105) with a round or oval cross section.

6. A seamless metal tube production line according to claim 5, wherein:

the pre-pressing mechanism (51) comprises a pre-pressing upper die (511), a pre-pressing die core (512) and a pre-pressing lower die (513), wherein a pre-pressing die cavity is arranged in the pre-pressing lower die (513), and the pre-pressing die core (512) is arranged in the pre-pressing die cavity;

after the lower end of the pre-pressing upper die (511) moves downwards and is abutted against the coiled pipe raw material (103) on the pre-pressing die core (512), the pre-pressing lower die (513) is lifted upwards for a certain distance, and the coiled pipe raw material (103) is extruded into a strip-shaped blank (104) with a U-shaped cross section by the inner wall of the pre-pressing die cavity;

the forming mechanism (52) comprises an upper forming die (521) and a lower forming die (522), and the upper forming die (521) and the lower forming die (522) can relatively move up and down to extrude the strip-shaped blank (104) into the ultra-fine metal tube (105).

7. A seamless metal tube production line according to claim 1, wherein:

the second cutting mechanism (8) comprises two cutting tools (81) which are arranged along the front-back direction, and the two cutting tools (81) can simultaneously move downwards to cut two ends of the superfine metal pipe (105).