CN112264544A - Rotary table forming equipment and forming method for thin-wall stainless steel pipe elbow joint - Google Patents
Rotary table forming equipment and forming method for thin-wall stainless steel pipe elbow joint Download PDFInfo
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- CN112264544A CN112264544A CN202011065444.5A CN202011065444A CN112264544A CN 112264544 A CN112264544 A CN 112264544A CN 202011065444 A CN202011065444 A CN 202011065444A CN 112264544 A CN112264544 A CN 112264544A
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- support
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- forming
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/14—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables
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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
- B21D21/00—Combined processes according to methods covered by groups B21D1/00 - B21D19/00
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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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention relates to a rotary disc forming device and a forming method for a thin-wall stainless steel pipe elbow joint, which comprises a first support, a rotary disc arranged on the first support, a second support arranged on one side of the first support, a plurality of forming mechanisms and shaping mechanisms arranged on the second support, and a plurality of clamping tools matched with the forming mechanisms and the shaping mechanisms, wherein the plurality of clamping tools are circumferentially distributed on the rotary disc, and the plurality of forming mechanisms and the shaping mechanisms are arranged on the same side of the rotary disc and are sequentially distributed along the rotating circumference of the rotary disc. The processing amount of each time is large and small so as to ensure the precision, the transition arc between the inner cavity of the pipe fitting and the straight line section is small, the higher precision is further ensured, and the product quality and the first-time qualified rate are very high; the invention can continuously and correspondingly process a plurality of pipe fittings by a turntable type processing mode, has high processing efficiency, compact equipment volume, small occupied area and high space utilization rate.
Description
Technical Field
The invention relates to the technical field of pipe fitting forming equipment, in particular to rotary table forming equipment and a forming method for a thin-wall stainless steel pipe elbow joint.
Background
At present, the water quality problem of drinking water is always trapped in the heart of people, and the quality requirement of water conveying equipment is continuously improved besides the protection and control of water quality resources in China. Since the development of Chinese reform, water conveying equipment goes through the development process of conveying pipelines of several generations from iron pipes, galvanized pipes, plastic pipes, copper pipes and the like, but still cannot solve and meet the relevant standard requirements of water sanitation.
The invention patent of China with the patent number of CN201911082237.8 and the application date of 2019.11.07 discloses a preparation process of a stainless steel clamping pipe fitting, which comprises a forming stage and a shaping stage, wherein the forming stage adopts a hydraulic bulging process, the hydraulic bulging process adopts an upper die, a lower die, a left push head and a right push head to fix a pipe blank in a forming cavity, and high-pressure oil is input through oil pipelines inside the left push head and the right push head to enable the pipe blank to radially expand under the liquid pressure of the hydraulic oil; and in the shaping stage, a rolling process is adopted, and a convex roller and a groove roller are adopted to apply pressure in the pipe shaft direction of the pipe blank and perform rolling processing. However, the preparation process has the following disadvantages during production: 1. the mode of high pressure hydraulic oil is radially expanded, and the precision of processing out is low relatively, and when cooperating with the sealing washer, the phenomenon of bad seal appears easily, 2, the shape of processing out under high pressure, when pressure disappears, can produce the deformation of kick-backing to influence the shaping precision of coupling.
Disclosure of Invention
The invention aims to provide rotary table forming equipment for a thin-wall stainless steel pipe elbow joint, which improves the forming precision of the pipe joint.
The above object of the present invention is achieved by the following technical solutions: a carousel former for thin wall stainless steel pipe elbow fitting, including first support, set up rotary disk on first support, set up at the second support of first support one side, set up a plurality of forming mechanism and the plastic mechanism on the second support to and press from both sides tight frock, a plurality of with forming mechanism and plastic mechanism matched with a plurality of tight frock of clamp, it is a plurality of press from both sides tight frock circumference and distribute on the rotary disk, it is a plurality of forming mechanism and plastic mechanism set up same one side at the rotary disk, and distribute in proper order along the rotation circumference of rotary disk.
Preferably, the rotating disc is vertically arranged and is rotated in a vertical direction by a first driving mechanism.
Preferably, the first support is provided with a horizontally arranged rotating shaft, and the rotating disc is mounted on the rotating shaft through a bearing.
Preferably, the first support is disposed on a side of the rotating disc opposite to the molding mechanism, and a flat bearing is disposed between the rotating disc and the first support.
Preferably, the molding mechanism includes a conveying servo motor, a conveying screw connected to the conveying servo motor, a moving table connected to the conveying screw, a linear guide rail for guiding the moving table when the moving table moves, and a mounting head provided on the moving table.
Preferably, the shaping mechanism comprises a shaping servo motor, a shaping screw rod connected with the shaping servo motor, a sliding table connected with the shaping screw rod, a guide rail used for guiding when the sliding table moves, a central rotating shaft arranged on the sliding table, a cutter mounting head arranged at one end of the central rotating shaft, and a second driving mechanism arranged at the other end of the central rotating shaft and used for driving the central rotating shaft to rotate.
Preferably, the clamping tool comprises a mounting seat fixedly connected with the rotating disc, a support arranged on the mounting seat, a first pressing die arranged on the mounting seat, a second pressing die arranged on the support, an executing mechanism for driving the second pressing die to move, and a guide mechanism for guiding when the second pressing die moves.
Preferably, the number of the forming mechanisms is 2-4, and the number of the workpiece clamping tools is 4-6.
The second purpose of the invention is to provide a molding method of elbow joint molding equipment, which improves the molding precision of the pipe joint.
The above object of the present invention is achieved by the following technical solutions:
a molding method of elbow joint molding equipment comprises the following steps,
and 5, blanking, namely driving the rotating disc to continuously rotate through the first driving mechanism, rotating the bent pipe joint shaped in the step 4 to a blanking position, and blanking the formed bent pipe joint.
The invention has the beneficial effects that:
1. the pipe fitting forming is carried out step by step, flaring, head upsetting and shaping are carried out by the forming mechanism, in the whole processing process, the processing amount is large and small each time so as to ensure the precision, the transition arc between the inner cavity of the pipe fitting and the straight line section is small, the higher precision is further ensured, and the product quality and the first pass percent are very high;
2. the invention can continuously and correspondingly process a plurality of pipe fittings by a turntable type processing mode, has high processing efficiency, compact equipment volume, small occupied area and high space utilization rate.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the distribution of a clamping tool according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a molding mechanism in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a reforming mechanism in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a clamping tool in an embodiment of the invention;
in the figure: 1-a first support, 2-a second support, 3-a rotating disc,
4-shaping means, 401-delivery servomotor, 402-delivery screw, 403-moving table, 404-mounting head, 405-linear guide, 5-shaping means, 501-shaping servomotor, 502-shaping screw, 503-sliding table, 504-guide, 505-central spindle, 506-tool mounting head, 6-clamping tool, 601-mounting base, 602-support, 603-first pressing die, 604-second pressing die, 605-actuator, 606-guide means,
7-rotating shaft, 8-plane bearing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b): as shown in fig. 1 to 5, the turntable forming device for the thin-wall stainless steel pipe elbow joint comprises a first support 1, a rotating disk 3 arranged on the first support 1, a second support 2 arranged on one side of the first support 1, a plurality of forming mechanisms 4 and reshaping mechanisms 5 arranged on the second support 2, and a plurality of clamping tools 6 matched with the forming mechanisms 4 and the reshaping mechanisms 5, wherein the plurality of clamping tools 6 are circumferentially distributed on the rotating disk 3, and the plurality of forming mechanisms 4 and reshaping mechanisms 5 are arranged on the same side of the rotating disk 3 and are sequentially distributed along the rotating circumference of the rotating disk 3.
In this embodiment, the clamping fixture 6 is used to fix the pipe joint to be formed. As shown in fig. 2, the number of the clamping tools 6 is six, and the clamping tools are circumferentially distributed on the outer circle of the rotating disc 3.
As shown in fig. 5, the clamping fixture 6 includes a mounting base 601 fixedly connected to the rotating disk 3, a bracket 602 provided on the mounting base 601, a first pressing mold 603 provided on the mounting base 601, a second pressing mold 604 provided on the bracket 602, an actuator 605 for driving the second pressing mold 604 to move, and a guide mechanism 606 for guiding when the second pressing mold 604 moves. Wherein the moving direction of the second pressing mold 604 relative to the first pressing mold 603 is the radial direction of the rotating disk 3.
The guiding mechanism 606 may be a guiding rod structure, that is, the second pressing mold 604 is connected with a guiding rod and is matched with a hole arranged on the bracket 602 for guiding, or may be an existing linear guide structure, the first pressing mold 603 and the second pressing mold 604 are provided with a cavity for accommodating a pipe, the actuating mechanism 605 includes a hydraulic cylinder or an air cylinder or a tobias cylinder, or other existing products capable of achieving the same function, and the mounting seat and the bracket may form an integral body, and may be in a "C" shape, or may be separately installed.
The rotating disc 3 is vertically arranged and is rotated in a vertical direction by a first driving mechanism. The first driving mechanism is used for driving the rotating disc 3 to vertically rotate, and then the pipe fitting to be machined is conveyed to each machining station.
The first support 1 is provided with a horizontally arranged rotating shaft 7, and the rotating disc 3 is mounted on the rotating shaft 7 through a bearing, which can be a common ball bearing.
The first support 1 is arranged on one side, opposite to the forming mechanism 4, of the rotating disc 3, the plane bearing 8 is arranged between the rotating disc 3 and the first support 1, and in the forming process, the rotating disc 3 can be subjected to acting force in the axial direction, so that the acting force is borne by the plane bearing 8, and the rotating disc 3 is prevented from generating axial displacement.
In order to further reduce the influence on the rotating disc 3 in the forming process, a movable backer is arranged on the other side of the rotating disc 3, namely the side opposite to the forming mechanism 4, the backer is slidably mounted on the first support 1, the number of the backer is the same as that of the forming mechanism 4, and the number of the backer and the forming mechanism 4 are arranged in a one-to-one correspondence manner, so that the backer tightly abuts against the rotating disc 3 when the forming mechanism 4 applies pressure to the elbow joint, and the backer is separated from the rotating disc 3 after forming is completed.
As shown in fig. 3, the molding mechanism 4 includes a conveyance servo motor 401, a conveyance screw 402 connected to the conveyance servo motor 401, a transfer table 403 connected to the conveyance screw 402, a linear guide 405 for guiding when the transfer table 403 moves, and a mounting head 404 provided on the transfer table 403. An output shaft of the conveyance servo motor 401 is connected to a conveyance screw 402, a screw nut is connected to a movable stage 403, the movable stage can move on a linear guide rail to perform conveyance, and a moving direction of the movable stage 403 is an axial direction of the rotary table 3. The mounting head 404 is used to mount an expansion head to effect expansion.
As shown in fig. 4, the shaping mechanism 5 includes a shaping servo motor 501, a shaping screw 502 connected to the shaping servo motor 501, a slide table 503 connected to the shaping screw 502, a guide rail 504 for guiding when the slide table 503 moves, a center rotary shaft 505 provided on the slide table 503, a tool mounting head 506 mounted on one end of the center rotary shaft 505, and a second driving mechanism provided on the other end of the center rotary shaft 505 and driving the center rotary shaft 505 to rotate.
The second driving mechanism comprises a speed reducing motor, a driving wheel and a driven wheel, the speed reducing motor is installed on the sliding table 503, the driving wheel is installed on a rotating shaft of the speed reducing motor, the driven wheel is installed on the central rotating shaft 505, the driving wheel and the driven wheel can adopt a gear meshing mode or a belt pulley structure and are connected through a belt, and the cutter installing head is used for installing a roller or a cutter which rotates under the driving of the speed reducing motor to shape.
The first drive mechanism is similar in structure to the second drive mechanism except that the driven pulley of the first drive mechanism is mounted on the rotary shaft 7.
Wherein the number of the forming mechanisms 4 is 2-4, and the number of the workpiece clamping tools 6 is 4-6. In this embodiment, the number of the forming mechanisms 3 is 2, and the number of the clamping tools 5 is 6, and the specific numbers of the two are not limited to the numbers described in this application and can be adjusted according to actual situations.
A molding method of elbow joint molding equipment comprises the following steps:
and 5, blanking, namely driving the rotating disc 3 to continuously rotate through the first driving mechanism, rotating the bent pipe joint shaped in the step 4 to a blanking position, and blanking the formed bent pipe joint.
Claims (9)
1. A carousel former for thin wall stainless steel pipe elbow fitting, its characterized in that: including first support (1), set up rotary disk (3) on first support (1), set up second support (2) in first support (1) one side, set up a plurality of forming mechanism (4) and plastic mechanism (5) on second support (2) to and press from both sides tight frock (6) with forming mechanism (4) and plastic mechanism (5) matched with a plurality of, it is a plurality of press from both sides tight frock (6) circumference and distribute on rotary disk (3), it is a plurality of forming mechanism (4) and plastic mechanism (5) set up in rotary disk (3) same side, and distribute in proper order along the rotation circumference of rotary disk (3).
2. The rotary table forming apparatus for thin-walled stainless steel pipe elbow joints according to claim 1, wherein: the rotating disc (3) is vertically arranged and rotates in the vertical direction through a first driving mechanism.
3. The rotary table forming apparatus for thin-walled stainless steel pipe elbow joints according to claim 2, wherein: the first support (1) is provided with a rotating shaft (7) which is horizontally arranged, and the rotating disc (3) is installed on the rotating shaft (7) through a bearing.
4. The rotary table forming apparatus for thin-walled stainless steel pipe elbow joints according to claim 3, wherein: the first support (1) is arranged on one side, opposite to the forming mechanism (4), of the rotating disc (3), and a plane bearing (8) is arranged between the rotating disc (3) and the first support (1).
5. The rotary table forming apparatus for thin-walled stainless steel pipe elbow joints according to claim 1, wherein: the molding mechanism (4) comprises a conveying servo motor (401), a conveying screw rod (402) connected with the conveying servo motor (401), a moving table (403) connected with the conveying screw rod (402), a linear guide rail (405) used for guiding when the moving table (403) moves, and a mounting head (404) arranged on the moving table (403).
6. The rotary table forming apparatus for thin-walled stainless steel pipe elbow joints according to claim 1, wherein: the shaping mechanism (5) comprises a shaping servo motor (501), a shaping screw rod (502) connected with the shaping servo motor (501), a sliding table (503) connected with the shaping screw rod (502), a guide rail (504) used for guiding when the sliding table (503) moves, a central rotating shaft (505) arranged on the sliding table (503), a cutter mounting head (506) mounted at one end of the central rotating shaft (505), and a second driving mechanism which is arranged at the other end of the central rotating shaft (505) and drives the central rotating shaft (505) to rotate.
7. The rotary table forming apparatus for thin-walled stainless steel pipe elbow joints according to claim 1, wherein: the clamping tool (6) comprises a mounting seat (601) fixedly connected with the rotating disc (3), a support (602) arranged on the mounting seat (601), a first pressing mold (603) arranged on the mounting seat (601), a second pressing mold (604) arranged on the support (602), an executing mechanism (605) used for driving the second pressing mold (604) to move, and a guide mechanism (606) used for guiding when the second pressing mold (604) moves.
8. The rotary table forming apparatus for thin-walled stainless steel pipe elbow joints according to claim 1, wherein: the number of the forming mechanisms (4) is 2-4, and the number of the workpiece clamping tools (6) is 4-6.
9. A molding method of elbow joint molding equipment is characterized by comprising the following steps:
step 1, clamping, namely placing the elbow joint to be molded into a clamping tool (6) to enable the pipe orifice of the elbow joint to face the molding mechanism (4);
step 2, expanding, namely driving the rotating disc (3) to rotate through the first driving mechanism, rotating the bent pipe joint clamped in the step 1 to a forming mechanism (4), and driving the expanding head to expand the pipe orifice of the bent pipe joint through the forming mechanism (4);
step 3, driving the rotating disc (3) to continuously rotate through the first driving mechanism, rotating the elbow joint with the expansion completed in the step 2 to the next forming mechanism (4), and driving the pier body to pier the pipe orifice of the elbow joint through the forming mechanism (4);
step 4, shaping, namely driving the rotating disc (3) to rotate continuously through the first driving mechanism, rotating the elbow joint of the pier head completed in the step 3 to the shaping mechanism (5), and driving a shaping cutter to shape the expansion opening and the pier head through the shaping mechanism (5);
and 5, blanking, namely driving the rotating disc (3) to continuously rotate through the first driving mechanism, rotating the bent pipe joint shaped in the step 4 to a blanking position, and blanking the formed bent pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011065444.5A CN112264544A (en) | 2020-09-30 | 2020-09-30 | Rotary table forming equipment and forming method for thin-wall stainless steel pipe elbow joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011065444.5A CN112264544A (en) | 2020-09-30 | 2020-09-30 | Rotary table forming equipment and forming method for thin-wall stainless steel pipe elbow joint |
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| Publication Number | Publication Date |
|---|---|
| CN112264544A true CN112264544A (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011065444.5A Pending CN112264544A (en) | 2020-09-30 | 2020-09-30 | Rotary table forming equipment and forming method for thin-wall stainless steel pipe elbow joint |
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| CN (1) | CN112264544A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453467A (en) * | 2021-12-28 | 2022-05-10 | 株洲兆源机电科技有限公司 | Open-loop type expanding machine suitable for flat guide bar |
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|---|---|---|---|---|
| CN202377386U (en) * | 2011-12-28 | 2012-08-15 | 昆山德丰精密金属制品有限公司 | Copper tube forming mould for compressor |
| KR20170115440A (en) * | 2016-04-04 | 2017-10-17 | 전용진 | Hemming system |
| CN208483123U (en) * | 2018-05-28 | 2019-02-12 | 佛山市顺德区***制冷配件有限公司 | A kind of equipment for processing breeches pipe |
| CN110202065A (en) * | 2019-06-28 | 2019-09-06 | 福建同越管件有限公司 | A kind of scalable device of multistation copper pipe bore |
| CN110814191A (en) * | 2019-11-22 | 2020-02-21 | 重庆理工大学 | Full-automatic pipe expanding machine and pipe expanding method |
| CN111618192A (en) * | 2020-06-19 | 2020-09-04 | 苏州创易智能科技有限公司 | Pipe end machine and pipe fitting machining method |
-
2020
- 2020-09-30 CN CN202011065444.5A patent/CN112264544A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202377386U (en) * | 2011-12-28 | 2012-08-15 | 昆山德丰精密金属制品有限公司 | Copper tube forming mould for compressor |
| KR20170115440A (en) * | 2016-04-04 | 2017-10-17 | 전용진 | Hemming system |
| CN208483123U (en) * | 2018-05-28 | 2019-02-12 | 佛山市顺德区***制冷配件有限公司 | A kind of equipment for processing breeches pipe |
| CN110202065A (en) * | 2019-06-28 | 2019-09-06 | 福建同越管件有限公司 | A kind of scalable device of multistation copper pipe bore |
| CN110814191A (en) * | 2019-11-22 | 2020-02-21 | 重庆理工大学 | Full-automatic pipe expanding machine and pipe expanding method |
| CN111618192A (en) * | 2020-06-19 | 2020-09-04 | 苏州创易智能科技有限公司 | Pipe end machine and pipe fitting machining method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453467A (en) * | 2021-12-28 | 2022-05-10 | 株洲兆源机电科技有限公司 | Open-loop type expanding machine suitable for flat guide bar |
| CN114453467B (en) * | 2021-12-28 | 2024-01-02 | 株洲兆源机电科技有限公司 | Open-loop type expanding machine suitable for flat conducting bars |
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Application publication date: 20210126 |
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