CN111531003A - Forming equipment and method for large-size small-height metal corrugated pipe - Google Patents
Forming equipment and method for large-size small-height metal corrugated pipe Download PDFInfo
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- CN111531003A CN111531003A CN202010412511.XA CN202010412511A CN111531003A CN 111531003 A CN111531003 A CN 111531003A CN 202010412511 A CN202010412511 A CN 202010412511A CN 111531003 A CN111531003 A CN 111531003A
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- extrusion cylinder
- concave wheel
- die
- cam
- locking support
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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
- B21D15/00—Corrugating tubes
- B21D15/04—Corrugating tubes transversely, e.g. helically
- B21D15/06—Corrugating tubes transversely, e.g. helically annularly
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a large-size small-height metal corrugated pipe forming device which comprises a concave wheel die and a cam die, wherein more than one circle of groove is formed in the concave wheel die, more than one circle of cam matched with the groove is formed in the cam die, the cam die is divided into two parts, namely an upper cam die and a lower cam die, the upper cam die is controlled by an upper extrusion cylinder to feed, and the lower cam die is controlled by a lower extrusion cylinder to feed. A through groove is formed in the middle of the concave wheel mold, a first locking support piece and a second locking support piece are respectively arranged in the through groove, the first locking support piece is controlled by a first propulsion cylinder outside one side of the through groove, and the second locking support piece is controlled by a second propulsion cylinder outside the other side of the through groove; the concave wheel mold is divided into three parts on average, and every two adjacent parts are tightly connected through a wedge-shaped block.
Description
Technical Field
The invention relates to the field of manufacturing of corrugated pipes, in particular to a forming device and a forming method of a metal corrugated pipe with large size and small height.
Background
The corrugated pipes have different shapes and sizes according to different application occasions, and are provided with large-sized corrugated pipes running on bridges and tracks and small-sized corrugated pipes used for switches and shock absorption, the forming modes of the corrugated pipes with different specifications are different, the small-sized corrugated pipes are simpler from forming equipment to operation flow than the large-sized corrugated pipes, and the invention mainly aims at the forming manufacture of the large-sized wavelet high corrugated pipes. The conventional large-size corrugated pipe is mainly formed by mechanical expansion, namely, the waveform is expanded by mechanical connection and up-and-down movement of an oil cylinder through dispersing mold sheets with different specifications, and the conventional large-size corrugated pipe has the defect that an equipment mold is large in size; the operation is complicated and a plurality of workers are required to be matched with each other, the forming size and the appearance consistency can not be ensured, and the device is only suitable for manufacturing some corrugated pipes with low requirements and is difficult to survive in high-requirement markets.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the technical problem of providing equipment and a method for forming a large-size small-wave-height metal corrugated pipe aiming at the defects of the prior art.
In order to solve the technical problem, the invention discloses a large-size small-height metal corrugated pipe forming device which comprises a concave wheel die and a cam die, wherein more than one circle of grooves are formed in the concave wheel die, more than one circle of cams matched with the grooves are arranged on the cam die, the cam die is divided into two parts, namely an upper cam die and a lower cam die, the upper cam die is controlled by an upper extrusion cylinder to feed, and the lower cam die is controlled by a lower extrusion cylinder to feed.
In the invention, a through groove is arranged in the middle of the concave wheel mould, a first locking support part and a second locking support part are respectively arranged in the through groove, the first locking support part is controlled by a first propulsion cylinder outside one side of the through groove, and the second locking support part is controlled by a second propulsion cylinder outside the other side of the through groove;
the concave wheel mold is divided into three parts on average, and every two adjacent parts are tightly connected through a wedge-shaped block.
According to the invention, the upper extrusion cylinder is connected with the upper connecting rod, the upper connecting rod is connected with the upper cam die, the upper connecting rod comprises an upper cross rod and three upper vertical rods, the upper cross rod is connected with the upper extrusion cylinder, one ends of the three upper vertical rods are respectively arranged in the middle and at two ends of the upper cross rod, and the other ends of the three upper vertical rods are respectively connected with the middle and at two ends of the upper cam die.
According to the invention, the lower extrusion cylinder is connected with the lower connecting rod, the lower connecting rod is connected with the lower cam die, the lower connecting rod comprises a lower cross rod and three lower vertical rods, the lower cross rod is connected with the lower extrusion cylinder, one ends of the three lower vertical rods are respectively arranged in the middle and two ends of the lower cross rod, and the other ends of the three lower vertical rods are respectively connected with the middle and two ends of the lower cam die.
In the invention, an upper extrusion cylinder is connected and controlled by a PLC controller, and an upper inductor is arranged on the upper extrusion cylinder;
the lower extrusion cylinder is connected and controlled by a PLC controller, and a lower inductor is arranged on the lower extrusion cylinder.
In the invention, the PLC is also connected with a rotating motor, and the rotating motor controls the concave wheel die to rotate.
The invention also provides a method for forming the large-size small wave height metal corrugated pipe, which comprises the following steps:
step 1: the PLC sets the average feeding amount according to the wave height of the metal corrugated pipe;
step 2: sleeving a tube blank on the outer ring of a concave wheel die, wherein an upper extrusion cylinder controls an upper cam die to descend and abut against the tube blank, and a lower extrusion cylinder controls a lower cam die to ascend and abut against the tube blank;
and step 3: the PLC controls the upper extrusion cylinder and the lower extrusion cylinder to feed, and the upper extrusion cylinder and the lower extrusion cylinder return to initial positions after each feeding;
and 4, step 4: when the feeding amount reaches the wave height, the PLC controls the rotating motor to drive the concave wheel die to rotate 90 degrees clockwise, and the step 3 is repeated;
and 5: the PLC controller controls the upper extrusion cylinder and the lower extrusion cylinder to return to the initial positions, the first propulsion cylinder controls the first locking support to move out of the through groove, the second propulsion cylinder controls the second locking support to move out of the through groove, the three wedge-shaped blocks of the concave wheel mold are taken down, the concave wheel mold is disassembled, and then the formed metal corrugated pipe is taken out.
In the invention, in step 4, after the concave wheel mould rotates clockwise by 90 degrees, the first propulsion cylinder controls the first locking support to move back and forth in a half through groove at the middle part of the concave wheel mould close to the first propulsion cylinder;
and the second propulsion cylinder controls the second locking support to move back and forth in the half through groove of the middle part of the concave wheel mould close to the second propulsion cylinder.
In the present invention, in step 3, the PLC controller sets one tenth of the wave height as the average feed amount, and the feed amount per feed is one more than the previous one.
Has the advantages that: the invention simplifies the operation flow, has simple operation, has low cost and does not need the cooperation of a plurality of workers compared with the mechanical expansion of the large-size corrugated pipe, and can ensure the consistent forming size.
Drawings
The foregoing and/or other advantages of the invention will become further apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic structural section view;
FIG. 2 is a cross-sectional view;
FIG. 3 is a side view of a cavity wheel mold.
Detailed Description
Example (b):
as shown in fig. 1, the invention provides a large-size small-height metal corrugated pipe forming device, which comprises a concave wheel die 1 and a cam die 2, wherein more than one circle of grooves 3 are formed in the concave wheel die 1, more than one circle of cams 4 matched with the grooves 3 are arranged on the cam die 2, the cam die 2 is divided into two parts, namely an upper cam die 2a and a lower cam die 2b, the feeding of the upper cam die 2a is controlled by an upper extrusion cylinder 5, and the feeding of the lower cam die 2b is controlled by a lower extrusion cylinder 6.
In the invention, a through groove 7 is arranged in the middle of the concave wheel mould 1, a first locking support member 8 and a second locking support member 9 are respectively arranged in the through groove 7, the first locking support member 8 is controlled by a first propulsion cylinder 10 outside one side of the through groove, and the second locking support member 9 is controlled by a second propulsion cylinder 11 outside the other side of the through groove;
the concave wheel die 1 is divided into three blocks on average, and every two blocks are tightly connected through a wedge block 12.
In the invention, an upper extrusion cylinder 5 is connected with an upper connecting rod 13, the upper connecting rod 13 is connected with an upper cam die 2a, the upper connecting rod 13 comprises an upper cross rod 13a and three upper vertical rods 13b, the upper cross rod 13a is connected with the upper extrusion cylinder 5, one ends of the three upper vertical rods 13b are respectively arranged in the middle and two ends of the upper cross rod 13a, and the other ends of the three upper vertical rods 13b are respectively connected with the middle and two ends of the upper cam die 2 a.
In the invention, the lower extrusion cylinder 6 is connected with the lower connecting rod 14, the lower connecting rod 14 is connected with the lower cam die 2b, the lower connecting rod 14 comprises a lower cross rod 14a and three lower vertical rods 14b, the lower cross rod 14a is connected with the lower extrusion cylinder 6, one ends of the three lower vertical rods 14b are respectively arranged in the middle and two ends of the lower cross rod 13, and the other ends are respectively connected with the middle and two ends of the lower cam die 2 b.
In the invention, an upper extrusion cylinder 5 is connected and controlled by a PLC (programmable logic controller) 15, and an upper inductor 16 is arranged on the upper extrusion cylinder;
the lower extrusion cylinder 6 is connected and controlled by a PLC (programmable logic controller) 15, and a lower inductor 17 is arranged on the lower extrusion cylinder.
In the invention, the PLC 15 is also connected with a rotating motor 18, and the rotating motor 18 controls the concave wheel mould 1 to rotate. The rotating motor 18 drives the turntable 19, the turntable 19 is connected with three connecting rods 20, and the three connecting rods 20 are respectively and correspondingly detachably connected to three blocks of the concave wheel mold.
The invention relates to a method for forming a large-size small-wave-height metal corrugated pipe, which comprises the following steps of:
step 1: the PLC sets the average feeding amount according to the wave height of the metal corrugated pipe;
step 2: sleeving a tube blank on the outer ring of a concave wheel die, wherein an upper extrusion cylinder controls an upper cam die to descend and abut against the tube blank, and a lower extrusion cylinder controls a lower cam die to ascend and abut against the tube blank;
and step 3: the PLC controls the upper extrusion cylinder and the lower extrusion cylinder to feed, and the upper extrusion cylinder and the lower extrusion cylinder return to initial positions after each feeding;
and 4, step 4: when the feeding amount reaches the wave height, the PLC controls the rotating motor to drive the concave wheel die to rotate 90 degrees clockwise, and the step 3 is repeated;
and 5: the PLC controller controls the upper extrusion cylinder and the lower extrusion cylinder to return to the initial positions, the first propulsion cylinder controls the first locking support to move out of the through groove, the second propulsion cylinder controls the second locking support to move out of the through groove, the three wedge-shaped blocks of the concave wheel mold are taken down, the concave wheel mold is disassembled, and then the formed metal corrugated pipe is taken out.
In the invention, in step 4, after the concave wheel mould rotates clockwise by 90 degrees, the first propulsion cylinder controls the first locking support to move back and forth in a half through groove at the middle part of the concave wheel mould close to the first propulsion cylinder;
and the second propulsion cylinder controls the second locking support to move back and forth in the half through groove of the middle part of the concave wheel mould close to the second propulsion cylinder.
In this embodiment, the first propulsion cylinder and the second propulsion cylinder respectively control the first locking support and the second locking support to move back and forth three times, so as to align and support the concave wheel mold.
In this embodiment, the upper cam die and the lower cam die are tightly coupled. The concave wheel die is tightly connected with the wedge-shaped block
In step 3, the PLC controller sets one tenth of the wave height as the average feeding amount, and the feeding amount of each time is one more than the average feeding amount of the previous time. Each time of feeding is one average feeding amount more than that of the previous feeding, the damage to the tube blank caused by overlarge feeding amount is avoided, and the tube blank is conveniently shrunk after being fed back to the initial position each time.
The present invention provides a method and a device for forming a large-sized corrugated metal pipe with small height, and a method for implementing the method, and the method and the device are many, and the above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (9)
1. The forming equipment is characterized by comprising a concave wheel die and two cam dies, wherein the concave wheel die is provided with more than one circle of grooves, the cam die is provided with more than one circle of cams matched with the grooves, the cam dies are respectively an upper cam die and a lower cam die, the upper cam die is controlled by an upper extrusion cylinder to feed, and the lower cam die is controlled by a lower extrusion cylinder to feed.
2. The apparatus for forming a large-size small-height corrugated metal pipe as claimed in claim 1, wherein said concave wheel mold has a through slot formed in the middle thereof, and a first locking support and a second locking support are respectively disposed in the through slot, the first locking support being controlled by a first propulsion cylinder outside one side of the through slot, and the second locking support being controlled by a second propulsion cylinder outside the other side of the through slot;
the concave wheel mold is divided into three parts on average, and every two adjacent parts are tightly connected through a wedge-shaped block.
3. The apparatus of claim 1, wherein the upper extrusion cylinder is connected to an upper connecting rod, the upper connecting rod is connected to the upper cam mold, the upper connecting rod comprises an upper cross rod and three upper vertical rods, the upper cross rod is connected to the upper extrusion cylinder, one ends of the three upper vertical rods are respectively disposed at the middle portion and the two ends of the upper cross rod, and the other ends of the three upper vertical rods are respectively connected to the middle portion and the two ends of the upper cam mold.
4. The apparatus of claim 1, wherein the lower extrusion cylinder is connected to the lower connecting rod, the lower connecting rod is connected to the lower cam mold, the lower connecting rod comprises a lower cross rod and three lower vertical rods, the lower cross rod is connected to the lower extrusion cylinder, one end of each of the three lower vertical rods is disposed at the middle portion and the two ends of the lower cross rod, and the other end of each of the three lower vertical rods is connected to the middle portion and the two ends of the lower cam mold.
5. The forming equipment of the large-size small-height metal corrugated pipe as claimed in claim 1, wherein the upper extrusion cylinder is connected and controlled by a PLC controller, and an upper inductor is arranged on the upper extrusion cylinder;
the lower extrusion cylinder is connected and controlled by a PLC controller, and a lower inductor is arranged on the lower extrusion cylinder.
6. The apparatus for forming a large-size small-height corrugated metal pipe as claimed in claim 5, wherein the PLC is further connected to a rotating motor, and the rotating motor controls the concave wheel mold to rotate.
7. A method for forming a metal corrugated pipe with large specification and small height is characterized by comprising the following steps:
step 1: the PLC sets the average feeding amount according to the wave height of the metal corrugated pipe;
step 2: sleeving a tube blank on the outer ring of a concave wheel die, wherein an upper extrusion cylinder controls an upper cam die to descend and abut against the tube blank, and a lower extrusion cylinder controls a lower cam die to ascend and abut against the tube blank;
and step 3: the PLC controls the upper extrusion cylinder and the lower extrusion cylinder to feed, and the upper extrusion cylinder and the lower extrusion cylinder return to initial positions after each feeding;
and 4, step 4: when the feeding amount reaches the wave height, the PLC controls the rotating motor to drive the concave wheel die to rotate 90 degrees clockwise, and the step 3 is repeated;
and 5: the PLC controller controls the upper extrusion cylinder and the lower extrusion cylinder to return to the initial positions, the first propulsion cylinder controls the first locking support to move out of the through groove, the second propulsion cylinder controls the second locking support to move out of the through groove, the three wedge-shaped blocks of the concave wheel mold are taken down, the concave wheel mold is disassembled, and then the formed metal corrugated pipe is taken out.
8. The method of claim 7, wherein in step 4, after the concave wheel mold rotates 90 degrees clockwise, the first propulsion cylinder controls the first locking support to move back and forth in a half of the through groove of the middle of the concave wheel mold close to the first propulsion cylinder;
and the second propulsion cylinder controls the second locking support to move back and forth in the half through groove of the middle part of the concave wheel mould close to the second propulsion cylinder.
9. The method as claimed in claim 7, wherein in step 3, the PLC controller sets one tenth of the wave height as the average feeding amount, and the feeding amount of each feeding is one more than the average feeding amount of the last feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010412511.XA CN111531003A (en) | 2020-05-15 | 2020-05-15 | Forming equipment and method for large-size small-height metal corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010412511.XA CN111531003A (en) | 2020-05-15 | 2020-05-15 | Forming equipment and method for large-size small-height metal corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111531003A true CN111531003A (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010412511.XA Withdrawn CN111531003A (en) | 2020-05-15 | 2020-05-15 | Forming equipment and method for large-size small-height metal corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111531003A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634642A (en) * | 2021-10-15 | 2021-11-12 | 南通苏瑞冷暖科技发展有限公司 | Machining device for air conditioner metal corrugated pipe |
| CN116329352A (en) * | 2023-05-22 | 2023-06-27 | 南京晨光东螺波纹管有限公司 | Automatic hydraulic forming device and forming method for corrugated pipe |
-
2020
- 2020-05-15 CN CN202010412511.XA patent/CN111531003A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634642A (en) * | 2021-10-15 | 2021-11-12 | 南通苏瑞冷暖科技发展有限公司 | Machining device for air conditioner metal corrugated pipe |
| CN113634642B (en) * | 2021-10-15 | 2021-12-10 | 南通苏瑞冷暖科技发展有限公司 | Machining device for air conditioner metal corrugated pipe |
| CN116329352A (en) * | 2023-05-22 | 2023-06-27 | 南京晨光东螺波纹管有限公司 | Automatic hydraulic forming device and forming method for corrugated pipe |
| CN116329352B (en) * | 2023-05-22 | 2023-10-31 | 南京晨光东螺波纹管有限公司 | Automatic hydraulic forming device and forming method for corrugated pipe |
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Application publication date: 20200814 |