CN111136166A - A device that can process multiple irregular tubular parts at the same time - Google Patents
A device that can process multiple irregular tubular parts at the same time Download PDFInfo
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- CN111136166A CN111136166A CN202010070799.7A CN202010070799A CN111136166A CN 111136166 A CN111136166 A CN 111136166A CN 202010070799 A CN202010070799 A CN 202010070799A CN 111136166 A CN111136166 A CN 111136166A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/02—Die constructions enabling assembly of the die parts in different ways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a device capable of simultaneously processing a plurality of irregular tubular parts, which comprises a first positioning die, a second positioning die, a rotating die, a stepped shaft, a first explorator, a second explorator and first to fourth bearings, wherein the first positioning die and the second positioning die are arranged on the first positioning die; the first explorator and the second explorator are both cylinders provided with through holes and are respectively arranged on two sides of the ladder shaft ladder through first bearings to fourth bearings; first positioning die, second positioning die, rotation mould all are the ring form, contain 2N first mould piece, 4+2M second mould piece, 2 third mould piece, 3+ M to locking gasket, 6+2M bolt and 2+ M +2N square key. The invention can process a plurality of tubular parts at the same time, and can add the profiling die to assist in forming under the conditions of different shapes and sizes, so that a plurality of tubular parts can be processed at the same time, the processing time is saved, the die cost is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of mold design, in particular to a device capable of simultaneously processing a plurality of irregular tubular parts.
Background
Tubular parts are widely used in various aspects in modern life, and the requirements on the shape, the size and the like of the tubular parts are different in different fields, so that the tubular parts need to be processed to obtain parts with expected shape and size, wherein the bending and forming of the tubular parts are almost all forming modes used in various industries.
The bending is a processing method for bending various metal blanks into parts with certain angles, curvatures and shapes through a die and a press, in the existing tubular die structure for processing, a plurality of steps are needed for processing blanks into parts with expected shapes, a plurality of dies are used for processing the expected effects, the forming size of the bending die is fixed, and some tubular parts with complex shapes can be processed only one at a time; for parts made of the same material, the parts can only be bent into a fixed shape and size, and once the design size of the parts is changed, a pair of dies needs to be redesigned and manufactured, so that a lot of cost is added to the production of the dies, and the processing efficiency is low.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a device capable of processing a plurality of irregular tubular parts simultaneously aiming at the defects related in the background technology.
The invention adopts the following technical scheme for solving the technical problems:
a device capable of simultaneously processing a plurality of irregular tubular parts comprises a first positioning die, a second positioning die, a rotating die, a stepped shaft, a first explorator, a second explorator and a first bearing, a second bearing, a third bearing and a fourth bearing;
the stepped shaft comprises a shaft and a step arranged on the shaft, and two limiting grooves which are symmetrical about the axis of the stepped shaft are arranged on the step;
the first explorator and the second explorator are both cylinders, and through holes for the shaft of the stepped shaft to run through are formed along the axes of the cylinders; the first explorator and the second explorator are respectively arranged at two sides of the ladder shaft, wherein the two ends of the through hole of the first explorator are respectively connected with the shaft of the ladder through a first bearing and a second bearing; the first explorator and the second explorator are respectively provided with two limiting grooves which are symmetrical about the axes thereof;
the first positioning die, the second positioning die and the rotating die are all annular and comprise 2N first die blocks, 4+2M second die blocks, 2 third die blocks, 3+ M pairs of locking gaskets, 6+2M bolts and 2+ M +2N square keys, and N, M is a natural number more than or equal to 0;
the first die block, the second die block and the third die block are in fan shapes with equal inner and outer diameters and equal central angles, and each of the first die block, the second die block and the third die block comprises an inner arc surface, an outer arc surface, a first side surface, a second side surface, a first end surface and a second end surface;
the first die block is provided with semi-guide holes which penetrate through the first end face and the second end face and are respectively provided with circle centers on the first side face and the second side face, the aperture of each of the two semi-guide holes on the first die block is a preset first length threshold, and the distance from the semi-guide hole to the inner arc face of the semi-guide hole is a preset first distance threshold; key grooves used for being matched with the square keys are respectively formed in the first side face and the second side face of the first die block, and the distances from the two key grooves in the first die block to the inner cambered surface of the first die block are both preset second distance threshold values;
the second die block is provided with a threaded hole penetrating through the first end face and the second end face, the distance from the threaded hole to the inner arc face is a preset third distance threshold, and the distance from the threaded hole to the first side face is a preset fourth distance threshold; the second die block is also provided with a semi-guide hole which penetrates through the first end face and the second end face and has a circle center on the second side face, the aperture of the semi-guide hole on the second die block is a preset first length threshold value, and the distance from the semi-guide hole to the inner cambered surface of the semi-guide hole is a preset first distance threshold value; a key groove used for being matched with the square key is formed in the second side face of the second die block, and the distance from the key groove in the second die block to the inner cambered surface of the second die block is a preset second distance threshold value;
the third die block is provided with two threaded holes penetrating through the first end face and the second end face, the distances from the two threads on the third die block to the inner arc face of the third die block are both preset third distance threshold values, the distance from the threaded hole close to the first side face is a preset fourth distance threshold value, and the distance from the threaded hole close to the second side face is a preset fourth distance threshold value; a limiting key is arranged on the inner arc surface of the third die block;
the locking gaskets are provided with two threaded holes, and one pair of the locking gaskets is used for matching with two bolts to lock the third mould block and the adjacent second mould block or the second mould block and the adjacent second mould block;
the second die block is used for being connected with the first die block and the third die block; when the second die block is connected with the first die block, the second side surface of the second die block is attached to the first side surface or the second side surface of the first die block and is connected with the first side surface or the second side surface of the first die block through a square key, and the semi-guiding hole in the second side surface of the second die block and the semi-guiding hole in the first side surface or the second side surface of the first die block form a complete guiding hole for limiting the tubular part to be processed; when the second mould block is connected with the third mould block, the first side surface of the second mould block is attached to the first side surface or the second side surface of the third mould block and is fixed by a pair of locking gaskets and two bolts;
the first die block can be connected with the first die block through a square key, and a half guide hole on the attached side surface of the first die block forms a complete guide hole for limiting a tubular part to be processed;
in the first positioning die, the second positioning die and the rotating die, two third die blocks are symmetrically arranged, and all the die blocks are sequentially connected to form a circular ring;
the limiting keys of the two third mould blocks of the rotary mould are respectively matched with the two limiting grooves on the stepped shaft ladder, so that the rotary mould is fixed on the ladder of the stepped shaft;
the limiting keys of the two third mould blocks of the first positioning mould are respectively matched with the two limiting grooves on the first profiling mould, so that the rotating mould is fixed on the first profiling mould;
the limiting keys of the two third mould blocks of the second positioning mould are respectively matched with the two limiting grooves on the second profiling mould, so that the rotating mould is fixed on the second profiling mould;
and the first explorator and the second explorator are fixedly connected with the outside respectively.
As a further optimization scheme of the device capable of processing a plurality of irregular tubular parts simultaneously, chamfers are arranged on the semi-guide holes of the second die block and the third die block.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
the mould is formed by the installation of mould piece, and is convenient during production mould, and easily change when the mould is local to be damaged, the structure of mould dismouting is convenient for putting into and taking out of tubulose part. The profiling is convenient to adapt to the processing of parts with different shapes and sizes. The annular die can realize simultaneous processing of a plurality of tubular parts, and the processing efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a first positioning die in the present invention.
FIG. 2 is a schematic view of a first mold block according to the present invention;
FIG. 3 is a schematic view of a second mold block according to the present invention;
FIG. 4 is a schematic view of a third mold block according to the present invention;
FIG. 5 is a schematic view of a guide hole structure with a chamfer after the die blocks are combined in the invention;
FIG. 6 is a schematic structural view of a stepped shaft according to the present invention;
FIG. 7 is a schematic structural view of the present invention;
FIG. 8 is a schematic view of the manner in which the mold of the present invention is used in processing;
in the figure, 1-a first mould block, 2-a second mould block, 3-a third mould block, 4-a key groove, 5-a limiting key, 6-a limiting groove on a stepped shaft ladder, 7-a limiting groove on a first explorator and 8-a first explorator.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.
As shown in fig. 1, the present invention discloses a device capable of simultaneously processing a plurality of irregular tubular parts, comprising a first positioning mold, a second positioning mold, a rotating mold, a stepped shaft, a first explorator, a second explorator, and a first to a fourth bearings;
as shown in fig. 6, the stepped shaft includes a shaft and a step arranged on the shaft, and two limiting grooves symmetrical with respect to the axis of the stepped shaft are arranged on the step;
as shown in fig. 7, the first explorator and the second explorator are both cylinders, and through holes for the shaft of the stepped shaft to run through are arranged along the axes of the cylinders; the first explorator and the second explorator are respectively arranged at two sides of the ladder shaft, wherein the two ends of the through hole of the first explorator are respectively connected with the shaft of the ladder through a first bearing and a second bearing; the first explorator and the second explorator are respectively provided with two limiting grooves which are symmetrical about the axes thereof;
the first positioning die, the second positioning die and the rotating die are all annular and comprise 2N first die blocks, 4+2M second die blocks, 2 third die blocks, 3+ M pairs of locking gaskets, 6+2M bolts and 2+ M +2N square keys, and N, M is a natural number more than or equal to 0;
the first die block, the second die block and the third die block are in fan shapes with equal inner and outer diameters and equal central angles, and each of the first die block, the second die block and the third die block comprises an inner arc surface, an outer arc surface, a first side surface, a second side surface, a first end surface and a second end surface;
as shown in fig. 2, the first mold block is provided with half guide holes which penetrate through the first end face and the second end face and have circle centers on the first side face and the second side face respectively, the hole diameters of the two half guide holes on the first mold block are both preset first length thresholds, and the distances from the two half guide holes to the inner arc face of the first mold block are both preset first distance thresholds; key grooves used for being matched with the square keys are respectively formed in the first side face and the second side face of the first die block, and the distances from the two key grooves in the first die block to the inner cambered surface of the first die block are both preset second distance threshold values;
as shown in fig. 3, a threaded hole penetrating through the first end surface and the second end surface is formed in the second mold block, the distance from the threaded hole to the inner arc surface is a preset third distance threshold, and the distance from the threaded hole to the first side surface is a preset fourth distance threshold; the second die block is also provided with a semi-guide hole which penetrates through the first end face and the second end face and has a circle center on the second side face, the aperture of the semi-guide hole on the second die block is a preset first length threshold value, and the distance from the semi-guide hole to the inner cambered surface of the semi-guide hole is a preset first distance threshold value; a key groove used for being matched with the square key is formed in the second side face of the second die block, and the distance from the key groove in the second die block to the inner cambered surface of the second die block is a preset second distance threshold value;
as shown in fig. 4, the third mold block is provided with two threaded holes penetrating through the first end surface and the second end surface, distances from the two threads on the third mold block to the inner arc surface of the third mold block are both preset third distance thresholds, a distance from the threaded hole close to the first side surface is a preset fourth distance threshold, and a distance from the threaded hole close to the second side surface is a preset fourth distance threshold; a limiting key is arranged on the inner arc surface of the third die block;
the locking gaskets are provided with two threaded holes, and one pair of the locking gaskets is used for matching with two bolts to lock the third mould block and the adjacent second mould block or the second mould block and the adjacent second mould block;
the second die block is used for being connected with the first die block and the third die block; when the second die block is connected with the first die block, the second side surface of the second die block is attached to the first side surface or the second side surface of the first die block and is connected with the first side surface or the second side surface of the first die block through a square key, and the semi-guiding hole in the second side surface of the second die block and the semi-guiding hole in the first side surface or the second side surface of the first die block form a complete guiding hole for limiting the tubular part to be processed, as shown in fig. 5; when the second mould block is connected with the third mould block, the first side surface of the second mould block is attached to the first side surface or the second side surface of the third mould block and is fixed by a pair of locking gaskets and two bolts;
the first die block can be connected with the first die block through a square key, and a half guide hole on the attached side surface of the first die block forms a complete guide hole for limiting a tubular part to be processed;
in the first positioning die, the second positioning die and the rotating die, two third die blocks are symmetrically arranged, and all the die blocks are sequentially connected to form a circular ring;
as shown in fig. 7, the limiting keys of the two third mold blocks of the rotary mold are respectively matched with the two limiting grooves on the step of the stepped shaft, so that the rotary mold is fixed on the step of the stepped shaft;
the limiting keys of the two third mould blocks of the first positioning mould are respectively matched with the two limiting grooves on the first profiling mould, so that the rotating mould is fixed on the first profiling mould;
the limiting keys of the two third mould blocks of the second positioning mould are respectively matched with the two limiting grooves on the second profiling mould, so that the rotating mould is fixed on the second profiling mould;
and the first explorator and the second explorator are fixedly connected with the outside respectively.
And chamfers are arranged on the semi-guide holes on the second die block and the third die block.
In the practical process of the invention, at most 14 circular tubes can be simultaneously processed, taking one tube as an example, the processed circular tube blank is a thin-walled straight tube, the outer diameter is 10mm, the thickness is 1.2mm, the length is 735mm, the side view is a quarter arc, and the arc radius is 66 mm.
The first die block is 10mm wide, the large end of the first die block is a section of circular arc with the diameter of 160mm, the small end of the first die block is a section of circular arc with the diameter of 80mm, and two side faces of the first die block form an included angle of 20 degrees; the two side surfaces of the first die block are provided with semi-conductive holes with round chamfers at two ends, the diameter of each semi-conductive hole is 10.3mm on the plane where the side surfaces are located, in order to reserve a machining gap, the hole is slightly larger than the outer diameter of a pipe material in actual engineering, and the chamfer radius of the round chamfers at the two ends is 2mm, so that the radial and circumferential freedom degree of the tubular part is limited; two flat key grooves are respectively arranged on the two side surfaces, the length of each key groove is 6mm, the width of each key groove is 4mm, the depth of each key groove is 3mm, and each key groove is connected with the second die block;
the second die block is 10mm wide, the large end of the second die block is a section of circular arc with the diameter of 160mm, the small end of the second die block is a section of circular arc with the diameter of 80mm, and two side faces of the second die block form an included angle of 20 degrees; a semi-conductive hole with round chamfers at two ends is arranged on one side surface of the second die block, the diameter of the semi-conductive hole is 10.3mm on the plane where the side surface is located, in order to reserve a processing gap, the hole is slightly larger than the outer diameter of a pipe material in actual engineering, and the chamfer radius of the round chamfers at two ends is 2mm, so that the radial and circumferential freedom degree of the tubular part is limited; the same side surface is also provided with a flat key groove, the length of the key groove is 6mm, the width of the key groove is 4mm, the depth of the key groove is 3mm, and the key groove is connected with the first die block; a threaded through hole M6 is formed in the second die block close to the other side face and is connected with the third die block through a locking gasket and a bolt;
the third die block is 10mm wide, the large end of the third die block is a section of circular arc with the diameter of 160mm, the small end of the third die block is a section of circular arc with the diameter of 80mm, and two side surfaces of the third die block form an included angle of 20 degrees; the two side surfaces of the third die block are smooth surfaces, are adjacent to the second die block, are used as parts for fixing the first die block and the second die block, are provided with two M6 threaded through holes and are connected with the second die block through locking gaskets and bolts; and a limiting key is arranged on the inner arc surface, is 5mm high, 6mm long and 6mm wide, is assembled and connected with the corresponding position of the shaft or the die, and fixes the whole die on the shaft or the die.
The first explorator and the second explorator are in a cylindrical structure as shown in figure 7, the diameter of the outer surface of the first explorator and the second explorator is 80mm, and two grooves which are symmetrically distributed about the axis and have the length of 6mm, the width of 6mm and the depth of 5mm are matched with a limit key of the inner cambered surface of the third mould block.
Assembling a first profiling and a second profiling on a shaft, arranging and assembling three mould blocks on the shaft according to the structure shown in figure 1 and the sequence of a first mould block-a tube blank- … … -a tube blank-a second mould block-a third mould block-a second mould block-a tube blank-a first mould block- … …, as shown in figures 7 and 8; and after the third die blocks are placed, the third die blocks and the second die blocks are fixedly connected through threaded holes, locking gaskets and bolts.
The bearings used in this example are deep groove ball bearings, 4 in number.
The two end dies are fixed, the middle die is controlled by the motor to rotate, and the tubular part blank is driven to generate plastic deformation to be formed, and the process is shown in fig. 8. Specific examples are as follows: the stepped shaft is connected with the servo motor through the coupler and the speed reducer, the rotating speed and the rotating angle of the servo motor are controlled, the dies at the two ends are fixed, the stepped shaft drives the middle die to rotate for 90 degrees at the speed of 5r/s and then stops, and the tubular part blank is formed by plastic deformation along with the rotation of the middle die.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010070799.7A CN111136166B (en) | 2020-01-21 | 2020-01-21 | A device capable of processing multiple irregular tubular parts at the same time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010070799.7A CN111136166B (en) | 2020-01-21 | 2020-01-21 | A device capable of processing multiple irregular tubular parts at the same time |
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| Publication Number | Publication Date |
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| CN111136166A true CN111136166A (en) | 2020-05-12 |
| CN111136166B CN111136166B (en) | 2025-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010070799.7A Active CN111136166B (en) | 2020-01-21 | 2020-01-21 | A device capable of processing multiple irregular tubular parts at the same time |
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| CN202291522U (en) * | 2011-09-19 | 2012-07-04 | 上海一钢机电有限公司 | Template for processing multi-hole circumferential end surface |
| CN102689235A (en) * | 2012-05-23 | 2012-09-26 | 浙江摩多巴克斯汽配有限公司 | Multi-station pipe end machining equipment |
| WO2012172178A2 (en) * | 2011-06-16 | 2012-12-20 | Eaglefinn Oy | A mould for a building module and method of using such |
| CN104176917A (en) * | 2013-05-23 | 2014-12-03 | 孝感市捷能特种光源照明器具有限公司 | Automatic sealing machine used for vacuum enclosed type elliptic surface bulb |
| CN109622861A (en) * | 2018-12-24 | 2019-04-16 | 宁波优升车业有限公司 | The connection rivet and riveting set of a kind of brake cable interior lines deck and brake lever |
| CN211965603U (en) * | 2020-01-21 | 2020-11-20 | 南京航空航天大学 | A device that can process multiple irregular tubular parts at the same time |
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2020
- 2020-01-21 CN CN202010070799.7A patent/CN111136166B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012172178A2 (en) * | 2011-06-16 | 2012-12-20 | Eaglefinn Oy | A mould for a building module and method of using such |
| CN202291522U (en) * | 2011-09-19 | 2012-07-04 | 上海一钢机电有限公司 | Template for processing multi-hole circumferential end surface |
| CN102689235A (en) * | 2012-05-23 | 2012-09-26 | 浙江摩多巴克斯汽配有限公司 | Multi-station pipe end machining equipment |
| CN104176917A (en) * | 2013-05-23 | 2014-12-03 | 孝感市捷能特种光源照明器具有限公司 | Automatic sealing machine used for vacuum enclosed type elliptic surface bulb |
| CN109622861A (en) * | 2018-12-24 | 2019-04-16 | 宁波优升车业有限公司 | The connection rivet and riveting set of a kind of brake cable interior lines deck and brake lever |
| CN211965603U (en) * | 2020-01-21 | 2020-11-20 | 南京航空航天大学 | A device that can process multiple irregular tubular parts at the same time |
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| CN111136166B (en) | 2025-04-04 |
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