CN108339858B - Radial elastic feeding device for oblique rolled bar - Google Patents
Radial elastic feeding device for oblique rolled bar Download PDFInfo
- Publication number
- CN108339858B CN108339858B CN201810491020.1A CN201810491020A CN108339858B CN 108339858 B CN108339858 B CN 108339858B CN 201810491020 A CN201810491020 A CN 201810491020A CN 108339858 B CN108339858 B CN 108339858B
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- Prior art keywords
- base
- bar
- bearing
- linear reciprocating
- elastic
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- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/34—Arrangements or constructional combinations specifically designed to perform functions covered by more than one of groups B21B39/02, B21B39/14, B21B39/20
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of metal plastic forming technology and equipment, and provides a radial elastic feeding device for a skew rolled bar, which is applicable to bar feeding with different lengths because the device is provided with a plurality of independent elastic feeding unit bodies arranged on a frame; the device is radially fed, and the base is annular integral, so that the device has the characteristics of compact structure, small acting force on the frame and small occupied space; the elastic contact between the bar and the device has the function of buffering and absorbing vibration, so that the bar impact deformation and impact noise generated by the swing of the bar can be reduced in the skew rolling process. The invention has the advantages of good universality, compact structure, small occupied space, small bar deformation, low site noise and the like.
Description
Technical Field
The invention relates to the technical field of metal plastic forming technology and equipment, in particular to a radial elastic feeding device for a skew rolling bar.
Background
The anode phosphor copper ball is widely used as an electroplating anode material in the industrial fields of printed circuit boards, hardware, decoration and the like. The room temperature skew rolling technology has the advantages of high production efficiency, low energy consumption cost, stable quality, excellent product electroplating performance, clean and pollution-free production mode and the like, and is widely applied at present, so that the technology becomes an important technical means for producing anode phosphor copper balls.
At present, the process for obliquely rolling the anode phosphor copper ball comprises the following steps: the bars produced by continuous casting are transported to the site in a disc shape, cut by a flying shear, straightened by a straightener and then guided into a feeding supporting device, and then fed into a diagonal rolling mill, and finally the anode phosphor copper balls are rolled in a greenhouse in a diagonal manner. In the skew rolling process, the longer the length of the feeding bar, the less the stub bar loss, and the higher the material utilization rate; the higher the rotation speed of the skew rolling, the higher the production efficiency, so the length of the common skew rolling copper bar is 3-5 m, and the rotation speed is about 600-900 r/min.
The long and thin bar performs radial high-speed rotation and axial linear feeding compound movement, high-speed impact exists between the bar and a feeding supporting device, and the existing safe and airtight low-noise oblique rolling copper ball feeding device (CN102039760. A) is characterized in that on one hand, the feeding roller system is in rigid contact with the copper bar, so that the copper bar is easy to swing in a high-frequency low-pair manner in the feeding supporting device, and the problems of large noise, serious deformation of the copper bar, reduced surface quality of the copper ball, serious surface abrasion of parts in contact with the copper bar and the like on the production site are caused; on the other hand, as the feeding mode is axial feeding, the on-site production line is overlong and the length of the feeding copper rod is shortened, so that the efficiency is reduced, the number of stub bars is more, and the like. Meanwhile, the bases of the units are not wholly independent, so that the structure is not compact, the rigidity of the device is low, and the interchangeability is poor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a radial elastic feeding device for a skew rolled bar, which consists of a plurality of independent elastic feeding unit bodies, has good interchangeability and can be applied to bar feeding with different lengths; the device realizes the functional integration of feeding, guiding and bar clamping for radial feeding, shortens the length of a production line and occupies small space; the device is in elastic contact with the bar, has the function of buffering and absorbing vibration, can prevent the bar from deforming due to rigid impact, and can reduce impact noise during feeding; the device has the advantages of good universality, compact structure, small occupied space, small bar deformation, low site noise and the like.
The technical scheme of the invention is as follows:
A radial elastic feeding device for a skew rolled bar comprises a frame and a plurality of elastic feeding unit bodies; the elastic feeding unit bodies are sequentially arranged along the frame and comprise a base, a fixed positioning mechanism and a linear reciprocating feeding mechanism; the base is fixed on the frame, the fixed positioning mechanism is elastically connected with the base, and the linear reciprocating feeding mechanism is connected with the base sliding pair; the bar is radially fed by the base, and the linear reciprocating feeding mechanism vertically moves upwards to realize elastic fixing of the bar; when the linear reciprocating feeding mechanism is positioned at the upper dead point, the linear reciprocating feeding mechanism and the fixed positioning mechanisms are cooperated to elastically clamp the bar, so that the requirement of a skew rolling process is met.
Furthermore, the base is an annular radial slotting vertical base, 3 installation stepped holes which are uniformly distributed in the circumferential direction are formed in the axial middle end of the base, 1 installation stepped hole at the bottom is used for installing the linear reciprocating feeding mechanism, and 2 installation stepped holes are used for installing the fixed positioning mechanism.
Further, the fixed positioning mechanism is arranged in the mounting stepped hole of the base through a belleville spring group; the linear reciprocating feeding mechanism is arranged in the mounting stepped hole of the base through a linear bearing.
Furthermore, the butterfly spring group is respectively arranged at the inner side and the outer side of the mounting stepped hole in a involution combination mode, and a lock nut is arranged at the outer end of the positioning bearing seat for prepressing the butterfly spring group; the linear bearing is mounted on the base through bolt holes of the end face flange by bolts.
Further, the fixed positioning mechanism comprises a shaft connecting bearing and a positioning bearing seat, and the shaft connecting bearing is arranged on the inner side of the positioning bearing seat; the linear reciprocating feeding mechanism comprises a shaft connecting bearing and a sliding bearing seat, and the shaft connecting bearing is arranged on the inner side of the sliding bearing seat.
Further, the shaft connecting bearing is a totally-enclosed shaft connecting bearing with self lubrication, and is any one of a deep groove ball shaft connecting bearing, a roller shaft connecting bearing or a universal ball shaft connecting bearing.
Further, two axial end faces of the base are provided with guide end covers through bolts, each guide end cover is provided with an open slot, each open slot is provided with a first section which is inclined downwards from the periphery of the end cover to the center of the end cover and a second section which is vertical upwards from the center of the end cover, and the first section and the second section are communicated and used for feeding bars.
Furthermore, the linear reciprocating feeding mechanism realizes intermittent vertical movement through the thin oil cylinder.
Further, the number of the elastic feeding unit bodies is 5, the distance between each elastic feeding unit body is 500-800 mm, and the base is fixed on the frame through bolts.
Further, the frame is installed on the ground through foundation bolts.
The beneficial effects of the invention are as follows: the universality is good, and the method can be applied to bar material feeding with different lengths; the annular base has compact structure, high self-rigidity and small acting force on the frame; the radial feeding realizes the functional integration of feeding, guiding and clamping bars, shortens the length of the production line and occupies small space; has the function of buffering and absorbing vibration, can prevent the bar from deforming due to rigid impact, and can reduce site noise.
Drawings
Fig. 1 is a schematic diagram showing the overall structure of a radial elastic feeding device for a skew rolled bar according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the structure of the elastic feeding unit body.
Fig. 3 is a schematic diagram of a semi-sectional structure of an elastic feeding unit body at the top dead center time of a thin-wall hydraulic cylinder.
Fig. 4 is a schematic diagram showing a semi-sectional structure of an elastic feeding unit body at the bottom dead center time of a thin-wall hydraulic cylinder.
Fig. 5 is a schematic view of the base structure.
Fig. 6 is a schematic view of a semi-sectional structure of the base.
Fig. 7 is a schematic view of the fixed positioning mechanism.
Fig. 8 is a schematic diagram of a linear reciprocating feeding mechanism.
Fig. 9 is a schematic view of a guide end cap.
In the figure: 1. a bar; 2. an elastic feeding unit body; 3. a thin oil cylinder; 4. a frame; 5. a material guiding end cover; 6. a base; 7. a belleville spring set; 8. positioning a bearing seat; 9. a lock nut; 10. a shaft is connected with a bearing; 11 sliding bearing seats; 12. a linear bearing; 13-first section (open slot); 14-second section (open slot).
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the technical features or combinations of technical features described in the following embodiments should not be regarded as being isolated, and they may be combined with each other to achieve a better technical effect. In the drawings of the embodiments described below, like reference numerals appearing in the various drawings represent like features or components and are applicable to the various embodiments.
The following is a preferred embodiment of the present invention, and it should be noted that specific parameters in the embodiment can be determined according to actual needs and are not limited to the present invention. The protection scope of the invention is subject to the claims.
As shown in figures 1 and 2, a bar 1 with a length of 3000mm and a diameter phi of 25mm is obliquely rolled, and the radial elastic feeding device for the obliquely rolled bar comprises an elastic feeding unit body 2 and a frame 4, wherein the frame 4 is arranged on the ground through foundation bolts, and the device is arranged to ensure that a discharge port of the bar is a feed port of an oblique rolling mill. The elastic feeding unit bodies 2 are fixed on the frame 4 by bolts through mounting holes on the base 6, the distance between the elastic feeding unit bodies 2 is 400-800 mm, and the device is composed of 4 elastic feeding unit bodies 2.
As shown in fig. 2,3 and 4, two axial end faces of the base 6 are respectively provided with a material guide end cover 5 installed through bolts, the thickness of the material guide end cover 5 is 5mm, an opening groove (a first section which is obliquely downward from the periphery of the end cover to the center of the end cover and a second section which is vertically upward from the center of the end cover are formed, the first section and the second section are communicated and used for feeding bars) needs to be processed, the inclination angle of the opening groove is about 20 degrees, and the width of the opening groove is 30mm. The axial middle end of the base 6 is provided with 3 mounting stepped holes which are staggered by 120 degrees and uniformly arranged as shown in fig. 6, 2 fixed positioning mechanisms are arranged in the upper 2 stepped holes, and a straight line feeding mechanism is arranged in the lower 1 stepped hole.
As shown in fig. 2, 3 and 4, the fixed positioning mechanism is installed in the installation stepped hole of the base 6 through the belleville spring group 7, the inner diameter of the belleville spring group 7 is 22.4mm, the outer diameter is 45mm, and the fixed positioning mechanism is installed in the inner side and the outer side of the stepped hole respectively in a involutory combination mode. The stroke of the belleville spring group 7 is 1-1.5 mm, and the load is 1-2 t. The fit clearance between the belleville spring group 7 and the positioning bearing seat 8 is 1.3mm, and the fit clearance between the belleville spring group and the base 6 is 1.5mm. The outer end shaft of the positioning bearing seat 8 is provided with threads and is screwed with a locking nut 9, and radial elastic positioning of the bar above is realized by prepressing the butterfly spring group 7 through the locking nut 9, so that positioning of the bar 1 above is ensured.
As shown in fig. 2, 3 and 4, a linear bearing 12 with an end face flange is installed on a base 6 of a counter bore through a flange plate, an outer ring of the linear bearing 12 is installed in a stepped hole below the base 6 in an interference fit mode, an inner ring of the linear bearing 12 is installed on a sliding bearing seat 11 in an interference fit mode, an inner hole of the sliding bearing seat 11 is threaded, and the sliding bearing seat 11 is connected with an outer tooth piston rod of the thin oil cylinder 3 through threads. The thin oil cylinder 3 is a standard thin oil cylinder, the piston rod type is a standard external tooth type, the stroke selection of the thin oil cylinder 3 is determined according to the displacement from the lowest point of the guide end cover 5 to the highest point of the guide end cover 5, the cylinder body of the thin oil cylinder 3 is arranged on the base 6, and the motion state of the thin oil cylinder 3 is driven by a hydraulic pump.
As shown in fig. 5 and 6, the base 6 is an annular radial inclined slotted base, the diameter of an inner ring of the annular mounting seat is 150mm, the diameter of an outer ring is 250mm, and the axial thickness is 120mm. The axial middle end of the device is provided with 3 installation stepped holes which are uniformly distributed in the circumferential direction, the diameter of the middle small hole of the upper 2 stepped holes is 25mm, the thickness of the middle small hole of the upper 2 stepped holes is 20mm, the diameter of the outer large hole is 50mm, the thickness of the middle small hole of the lower stepped holes is 16mm, the diameter of the inner small hole of the lower stepped holes is 70mm, the thickness of the inner small hole of the lower stepped holes is 68mm, and the diameter of the outer large holes is 100mm, and the thickness of the inner small holes of the lower stepped holes is 12mm.
As shown in fig. 7 and 8, the shaft-connecting bearing 10, the positioning bearing seat 8 and the sliding bearing seat 11 are assembled in the following ways: the positioning bearing seat 8 and the sliding bearing seat 11 are heated to about 120 degrees, or the shaft connecting bearing 10 is immersed in liquid nitrogen and assembled in an interference manner by a shaft cooling hole and a heat manner. The shaft-connected bearing 10 is a totally-enclosed shaft-connected bearing with self-lubrication, and can be one of a deep groove ball shaft-connected bearing, a roller shaft-connected bearing or a universal ball shaft-connected bearing, and the type of the shaft-connected bearing 10 is selected and the service life of the shaft-connected bearing 10 can be taken as a reference in the actual production process.
The working principle of the invention is as follows:
The bars 1 sent by the straightener and fed by the shearing machine fall onto the material guide end cover 5 to be orderly arranged, when the piston rod of the thin oil cylinder 3 goes up, the piston rod drives the sliding bearing seat 11 below and the shaft connecting bearing 10 to vertically move upwards, so that the bars 1 are vertically pushed upwards; when the piston rod of the thin oil cylinder 3 is positioned at the upper dead point, the bar 1 is just pre-pressed with 2 shaft-connected bearings 10 which are arranged in a staggered manner in the radial direction, and when the bar is subjected to compound motion of radial high-speed rotation and axial linear feeding under the action of oblique rolling force, the positioning bearing seat 8 is elastically connected with the base 6 through a pair of belleville spring groups 7 which are arranged inside and outside, so that the shaft-connected bearings 10 are in elastic contact with the bar 1, the elastic positioning of the bar during oblique rolling is realized, and the bar is clamped by using 3 staggered shaft-connected bearings 10; after the oblique rolling is finished, the piston rod of the thin oil cylinder 3 descends from the upper dead center, the bar 1 rolls downwards to the lowest position of the guide end cover 5 along the radial inclined open slot of the guide end cover 5, and the device starts feeding of the next round, so that radial elastic feeding of the oblique rolled bar is realized.
Although a few embodiments of the present invention have been described herein, those skilled in the art will appreciate that changes can be made to the embodiments herein without departing from the spirit of the invention. The above-described embodiments are exemplary only, and should not be taken as limiting the scope of the claims herein.
Claims (6)
1. The radial elastic feeding device for the oblique rolled bar is characterized by comprising a frame and a plurality of elastic feeding unit bodies; the elastic feeding unit bodies are sequentially arranged along the frame and comprise a base, a fixed positioning mechanism and a linear reciprocating feeding mechanism; the base is fixed on the frame, the fixed positioning mechanism is elastically connected with the base, and the linear reciprocating feeding mechanism is connected with the base sliding pair; the bar is radially fed by the base, and the linear reciprocating feeding mechanism vertically moves upwards to realize elastic fixation of the bar; when the linear reciprocating feeding mechanism is positioned at the upper dead point, the linear reciprocating feeding mechanism and the fixed positioning mechanisms cooperate to elastically clamp the bar material, so that the requirement of a skew rolling process is met;
The base is an annular radial slotting vertical base, 3 mounting stepped holes which are uniformly arranged in the circumferential direction are formed in the axial middle end of the base, 1 mounting stepped hole at the bottom is used for mounting the linear reciprocating feeding mechanism, and the other 2 mounting stepped holes are used for mounting the fixed positioning mechanism;
The fixed positioning mechanism is arranged in the mounting stepped hole of the base through a butterfly spring group; the linear reciprocating feeding mechanism is arranged in the mounting stepped hole of the base through a linear bearing;
The fixed positioning mechanism comprises a shaft connecting bearing and a positioning bearing seat, and the shaft connecting bearing is arranged on the inner side of the positioning bearing seat; the linear reciprocating feeding mechanism comprises a shaft connecting bearing and a sliding bearing seat, and the shaft connecting bearing is arranged on the inner side of the sliding bearing seat;
The butterfly spring group is respectively arranged at the inner side and the outer side of the mounting stepped hole in a involution combination mode, and a lock nut is arranged at the outer end of the positioning bearing seat for prepressing the butterfly spring group; the linear bearing is mounted on the base through bolt holes of the end face flange by bolts.
2. The radial elastic feeding device for the skew rolled bar according to claim 1, wherein the shaft-connected bearing is a totally-enclosed self-lubricating shaft-connected bearing, and is any one of a deep groove ball-connected bearing, a roller-connected bearing and a universal ball-connected bearing.
3. The radial elastic feeding device for the skew rolled bar according to claim 1, wherein the two axial end surfaces of the base are provided with guide end caps by bolts, the guide end caps are provided with open grooves, the open grooves are provided with a first section which is inclined downwards from the periphery of the end caps to the center of the end caps, and a second section which is vertically upwards from the center of the end caps, and the first section and the second section are communicated for feeding the bar.
4. The radial elastic feeding device for the skew rolled bar according to claim 1, wherein the linear reciprocating feeding mechanism realizes intermittent vertical movement through a thin oil cylinder.
5. The radial elastic feeding device for the skew rolled bars according to claim 1, wherein the number of the elastic feeding unit bodies is 5, the distance between each elastic feeding unit body is 500-800 mm, and the base is fixed on the frame through bolts.
6. The radial spring feeder of cross rolled bar material according to any one of claims 1-5, wherein said frame is mounted to the ground by means of anchor bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491020.1A CN108339858B (en) | 2018-05-21 | 2018-05-21 | Radial elastic feeding device for oblique rolled bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491020.1A CN108339858B (en) | 2018-05-21 | 2018-05-21 | Radial elastic feeding device for oblique rolled bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108339858A CN108339858A (en) | 2018-07-31 |
| CN108339858B true CN108339858B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810491020.1A Active CN108339858B (en) | 2018-05-21 | 2018-05-21 | Radial elastic feeding device for oblique rolled bar |
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| CN (1) | CN108339858B (en) |
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