CN111360099B - Step slot screen pipe follow-up forming processing machine tool - Google Patents
Step slot screen pipe follow-up forming processing machine tool Download PDFInfo
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- CN111360099B CN111360099B CN202010452664.7A CN202010452664A CN111360099B CN 111360099 B CN111360099 B CN 111360099B CN 202010452664 A CN202010452664 A CN 202010452664A CN 111360099 B CN111360099 B CN 111360099B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
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Abstract
The invention discloses a step seam screen pipe follow-up forming processing machine tool, which comprises a machine tool body, a feeding box, a machine tool head box, a chuck, a fixed frame, a supporting mechanism, a tailstock, a feed rod seat, a dragging plate, a slide carriage box, a feed rod, a movable frame, a constant pressure head, a connecting bolt, a cross beam, a dynamic pressure head, a puller bolt and an elastic element, wherein the machine tool body is a supporting member, the machine tool head box, the dragging plate and the tailstock are arranged on the machine tool body, the movable frame and the cross beam are connected together to form a closed frame sleeved on an excircle of a workpiece, the constant pressure head and the dynamic pressure head are in direct contact with the workpiece, and the elastic element is arranged between the movable frame and the constant pressure head and between the cross beam and. The slotted sieve tube can be subjected to plastic forming processing, and the width of the sieve slot is uniform and consistent.
Description
Technical Field
The invention relates to a follow-up forming processing machine tool for a step seam slotted screen pipe, and belongs to the technical field of petroleum tool manufacturing.
Background
The step slot slotted screen pipe is a new product for replacing the traditional rectangular slot and trapezoidal slot screen pipe. The step seam slotted screen pipe is characterized in that thousands of seams are firstly cut on a petroleum casing pipe or an oil pipe body, then the seams are formed by plastic forming of an outer rectangle and an inner trapezoid, or the outer rectangle, the inner trapezoid and the inner rectangle, which are narrow and wide, so that the purpose that liquid flow entering the seams can be quickly diffused and pumped away by the oil pumping unit is achieved. Because the petroleum casing pipe or the oil pipe is a blank steel pipe which is hot rolled, the pipe has larger out-of-roundness and non-cylindricity, and after the plastic forming processing of the seam extrusion machine, the seam has different widths, which can not meet the requirements of drawings. The subsequent secondary processing and seam repair have large workload and difficulty.
Disclosure of Invention
In order to overcome the defects of the prior method, the invention provides a step slotted screen pipe follow-up forming processing machine tool.
The technical scheme for solving the problems is as follows: the machine tool comprises a machine body 1, a feed box 2, a headstock 3, a chuck 4, a fixed frame 5, a supporting mechanism 6, a tailstock 7, a feed bar seat 8, a carriage 9, a slide box 10, a feed bar 11, a movable frame 12, a constant pressure head 13, a connecting bolt 14, a beam 15, a dynamic pressure head 16, a jacking bolt 17 and an elastic element 18, wherein the machine body 1 is a supporting member, the feed box 2 is arranged on the side surface of one end of the machine body 1, the headstock 3 is arranged on the upper surface of one end of the machine body 1, the carriage 9 is arranged on a guide rail of the machine body 1, the slide box 10 is arranged under the carriage 9 by a bolt, the tailstock 7 is arranged on the upper surface of the other end of the machine body 1, the chuck 4 is arranged on one side of the headstock 3, the feed bar seat 8 is arranged on the side surface of the machine body 1, the fixed frame 5 is arranged on the upper surface of the carriage 9 by a bolt, the supporting mechanism 6 is fixed in a taper hole of the tailstock 7 by a taper shank of the self, the movable frame 12 and the beam 15 are connected into a whole by the connecting bolt 14 and are placed in the fixed frame 5, the puller bolt 17 arranged on the beam 15 and the threaded hole of the beam 15 form a spiral transmission mechanism, the lower end of the puller bolt 17 is provided with a dynamic pressure head 16, the fixed pressure head 13 is arranged on the movable frame 12, the movable frame 12 is connected with the beam 15 by the connecting bolt 14 to form a closed structure and is sleeved on the excircle of the tubular workpiece, the puller bolt 17 arranged on the beam 15 and the dynamic pressure head 16 arranged below the beam 15 form a spiral mechanism, the dynamic pressure head 16 can be driven to move by screwing the puller bolt 17, the fixed pressure head 13 is fixed on the movable frame 12, elastic elements 18 are arranged between the beam 15 and the dynamic pressure head 16 and between the movable frame 12 and the fixed pressure head 13, the dynamic pressure head 16 and the fixed pressure head 13 are pressed on the tubular workpiece, and the tubular workpiece rotates as a fixed axis, the movable frame 12 follows the plane.
The fixed frame 5 is a U-shaped cast steel or plate welding frame structure and is arranged on the carriage 9 through bolts, a gear of the feed box 2 drives a feed rod 11 on a feed rod seat 8 to rotate, and the feed rod 11 rotates to drive a gear rack formed by an internal gear of the carriage 10 and a rack on the side face of the lathe body 1 to transmit, so that the carriage 10, the carriage 9 and the fixed frame 5 move longitudinally along a guide rail on the lathe body 1 in parallel to the axis of the tubular workpiece.
The inner hole of the tailstock 7 is provided with a supporting mechanism 6.
The invention has the advantages that the slotted sieve tube can be efficiently and accurately formed, the width of the sieve slot is uniform, the influence of the non-uniformity of the width of the sieve slot caused by the non-roundness and non-cylindricity of a blank sleeve or an oil tube is overcome, and the secondary seam repair processing of the formed sieve tube is omitted.
Drawings
FIG. 1, FIG. 2, FIG. 3 are schematic structural views of the step slotted screen pipe follow-up forming machine tool of the present invention.
Detailed Description
The invention is further explained with reference to fig. 1, fig. 2, fig. 3 and the embodiment.
In the figure, 1, a lathe bed, 2, a feed box, 3, a headstock, 4, a chuck, 5, a fixed frame, 6, a supporting mechanism, 7, a tailstock, 8, a feed rod seat, 9, a carriage, 10, a slide carriage box, 11, a feed rod, 12, a movable frame, 13, a fixed pressure head, 14, a connecting bolt, 15, a beam, 16, a dynamic pressure head, 17, a tightening bolt and 18, an elastic element.
The lathe bed 1 is a supporting element, the feeding box 2 is arranged on the side surface of one end of the lathe bed 1, the headstock 3 is arranged on one end of the lathe bed 1, the carriage 9 is arranged on a guide rail of the lathe bed 1, the carriage box 10 is arranged below the carriage 9 by a bolt, the tailstock 7 is arranged on the other end of the lathe bed 1, one side of the headstock 3 is provided with the chuck 4, the feed rod seat 8 is arranged on the side surface of the lathe bed 1, the fixed frame 5 is arranged on the carriage 9 by a bolt, the supporting mechanism 6 is fixed in a taper hole of the tailstock 7 by a taper shank of the supporting mechanism, a shaft neck of the feed rod 11 is supported by a bearing hole of the feed rod seat 8, the movable frame 12 and the cross beam 15 are connected into a whole and placed in the fixed frame 5 by a connecting bolt 14, a jacking bolt 17 arranged on the cross beam 15 and a threaded hole of the cross beam 15 form a spiral transmission mechanism, the lower end of the jacking bolt 17 is provided with a, the movable frame 12 is connected with a cross beam 15 through a connecting bolt 14 to form a closed structure and is sleeved on the outer circle of the tubular workpiece, a puller bolt 17 arranged on the cross beam 15 and a dynamic pressure head 16 arranged below the cross beam 15 form a spiral mechanism, the puller bolt 17 can drive the dynamic pressure head 16 to move by screwing, a fixed pressure head 13 is fixed on the movable frame 12, elastic elements 18 are arranged between the cross beam 15 and the dynamic pressure head 16 and between the movable frame 12 and the fixed pressure head 13, the dynamic pressure head 16 and the fixed pressure head 13 are pressed on the tubular workpiece, the tubular workpiece rotates as a fixed shaft, and the movable frame 12 performs plane follow-up motion.
The movable frame 12 is located in the middle of the opening of the U-shaped frame structure of the fixed frame 5, when the tubular workpiece rotates with a fixed shaft, a revolving moment is generated to drive the movable frame 12 to rotate along with the fixed shaft, so that the movable frame 12 contacts with the fixed frame 5 which originally has a gap with the movable frame, an acting moment is applied to the fixed frame 5, the fixed frame 5 applies a reaction moment to the movable frame 12, and the dynamic pressure head 16 and the constant pressure head 13 simultaneously perform plastic forming processing on the gap on the tubular workpiece.
The carriage 10 also moves longitudinally to push the fixed frame 5 and the movable frame 12 to move longitudinally relative to the tubular workpiece, so as to perform plastic forming on the gap on the whole tubular workpiece.
The fixed frame 5 is a U-shaped cast steel or plate welding frame structure and is arranged on the carriage 9 through bolts, a gear of the feed box 2 drives a feed rod 11 on a feed rod seat 8 to rotate, and the feed rod 11 rotates to drive a gear rack formed by an internal gear of the carriage 10 and a rack on the side face of the lathe body 1 to transmit, so that the carriage 10, the carriage 9 and the fixed frame 5 move longitudinally along a guide rail on the lathe body 1 in parallel to the axis of the tubular workpiece. The out-of-roundness and out-of-cylindricity of the tubular workpiece causes the position of the various slits in the tubular workpiece to randomly change, and the elastic elements 18 respond to such changes. The positions of the contact points of the fixed pressure head 13 and the movable pressure head 16 on the tubular workpiece are correspondingly changed, but the surface pressure acting on each gap is unchanged, so that the uniform and consistent gap width is ensured after each gap is extruded.
The inner hole of the tailstock 7 is provided with a supporting mechanism 6 for supporting a tubular workpiece with the length of 12 meters to make a fixed-axis rotation so as to ensure the stability of plastic forming processing.
Claims (3)
1. The utility model provides a step seam slot screen pipe follow-up forming machine tool which characterized in that: the machine tool comprises a machine tool body (1), a feed box (2), a headstock (3), a chuck (4), a fixed frame (5), a supporting mechanism (6), a tailstock (7), a feed bar seat (8), a carriage (9), a slide carriage box (10), a feed bar (11), a movable frame (12), a constant pressure head (13), a connecting bolt (14), a cross beam (15), a dynamic pressure head (16), a puller bolt (17) and an elastic element (18), wherein the machine tool body (1) is a supporting member, the feed box (2) is arranged on the side surface of one end of the machine tool body (1), the headstock (3) is arranged on one end of the machine tool body (1), the carriage (9) is arranged on a guide rail of the machine tool body (1), the slide carriage box (10) is arranged below the carriage (9) by a bolt, the chuck (7) is arranged on the other end of the machine tool body (1), one side of the headstock (3) is provided with the chuck (4), and the feed bar seat (8) is arranged on the side surface of the machine tool body, the fixed frame (5) is arranged on the carriage (9) by bolts, the supporting mechanism (6) is fixed in a taper hole of the tailstock (7) by a taper shank of the supporting mechanism, a shaft neck of the feed rod (11) is supported by a bearing hole of the feed rod seat (8), the movable frame (12) and the cross beam (15) are connected into a whole by a connecting bolt (14) and are placed in the fixed frame (5), a tightening bolt (17) arranged on the cross beam (15) and a threaded hole of the cross beam (15) form a spiral transmission mechanism, a dynamic pressure head (16) is arranged at the lower end of the tightening bolt (17), a fixed pressure head (13) is arranged on the movable frame (12), the movable frame (12) is connected with the cross beam (15) by the connecting bolt (14) to form a closed structure to be sleeved on the excircle of a tubular workpiece, the tightening bolt (17) arranged on the cross beam (15) and the dynamic pressure head (16) arranged below the cross beam (15) form a spiral mechanism, a tightening bolt (17) is screwed to drive a dynamic pressure head (16) to move, a fixed pressure head (13) is fixed on a movable frame (12), elastic elements (18) are respectively arranged between a cross beam (15) and the dynamic pressure head (16) and between the movable frame (12) and the fixed pressure head (13), the dynamic pressure head (16) and the fixed pressure head (13) are pressed on a tubular workpiece, the tubular workpiece rotates by a fixed shaft, and the movable frame (12) performs plane follow-up.
2. The step slotted screen pipe follow-up forming machine tool of claim 1, wherein: the fixed frame (5) is of a U-shaped cast steel or plate welding frame structure, and is arranged on the carriage (9) by bolts, the gear transmission of the feed box (2) drives the feed rod (11) on the feed rod seat (8) to rotate, and the feed rod (11) rotates to drive the gear rack transmission consisting of the internal gear of the slide box (10) and the side rack of the lathe bed (1), so that the slide box (10), the carriage (9) and the fixed frame (5) move longitudinally parallel to the axis of the tubular workpiece along the guide rail on the lathe bed (1).
3. The step slotted screen pipe follow-up forming machine tool of claim 1, wherein: and a supporting mechanism (6) is arranged in an inner hole of the tailstock (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452664.7A CN111360099B (en) | 2020-05-26 | 2020-05-26 | Step slot screen pipe follow-up forming processing machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452664.7A CN111360099B (en) | 2020-05-26 | 2020-05-26 | Step slot screen pipe follow-up forming processing machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN111360099A CN111360099A (en) | 2020-07-03 |
| CN111360099B true CN111360099B (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010452664.7A Active CN111360099B (en) | 2020-05-26 | 2020-05-26 | Step slot screen pipe follow-up forming processing machine tool |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59219121A (en) * | 1983-05-30 | 1984-12-10 | Mitsubishi Motors Corp | Method of finishing outer surface of quenched steel |
| CN2179212Y (en) * | 1993-12-01 | 1994-10-12 | 长春大学 | Helical tube roller |
| CN111183717B (en) * | 2012-07-18 | 2014-10-22 | 北京北方车辆集团有限公司 | Rolling tool for torsion shaft |
| CN104669669A (en) * | 2013-12-01 | 2015-06-03 | 天津中杰科技发展有限公司 | Step slot screen pipe extrusion machine tool |
| CN105583535A (en) * | 2014-10-22 | 2016-05-18 | 天津中杰科技发展有限公司 | Combined machining method of combined-seam screen pipe |
| CN108673051A (en) * | 2018-05-23 | 2018-10-19 | 北京理工大学 | A kind of numerical control rolling lathe for the rolling of torsion shaft outer circle |
-
2020
- 2020-05-26 CN CN202010452664.7A patent/CN111360099B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59219121A (en) * | 1983-05-30 | 1984-12-10 | Mitsubishi Motors Corp | Method of finishing outer surface of quenched steel |
| CN2179212Y (en) * | 1993-12-01 | 1994-10-12 | 长春大学 | Helical tube roller |
| CN111183717B (en) * | 2012-07-18 | 2014-10-22 | 北京北方车辆集团有限公司 | Rolling tool for torsion shaft |
| CN104669669A (en) * | 2013-12-01 | 2015-06-03 | 天津中杰科技发展有限公司 | Step slot screen pipe extrusion machine tool |
| CN105583535A (en) * | 2014-10-22 | 2016-05-18 | 天津中杰科技发展有限公司 | Combined machining method of combined-seam screen pipe |
| CN108673051A (en) * | 2018-05-23 | 2018-10-19 | 北京理工大学 | A kind of numerical control rolling lathe for the rolling of torsion shaft outer circle |
Non-Patent Citations (3)
| Title |
|---|
| 台阶缝筛管加工技术研究;陈静等;《机械工程师》;20140510(第5期);第249,250页 * |
| 台阶缝筛管挤缝机的研制;钱逸秋等;《机械制造》;20160320;第54卷(第619期);第22,23页 * |
| 新型台阶缝筛管制造工艺及设备研制;陈宽等;《液压气动与密封》;20151015(第10期);第54-56页 * |
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| CN111360099A (en) | 2020-07-03 |
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