CN113145757A - Hollow shaft applied to round steel necking machine - Google Patents
Hollow shaft applied to round steel necking machine Download PDFInfo
- Publication number
- CN113145757A CN113145757A CN202110273668.3A CN202110273668A CN113145757A CN 113145757 A CN113145757 A CN 113145757A CN 202110273668 A CN202110273668 A CN 202110273668A CN 113145757 A CN113145757 A CN 113145757A
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- CN
- China
- Prior art keywords
- support ring
- hollow shaft
- heading
- round steel
- box body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- 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
- B21D41/04—Reducing; Closing
-
- 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
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- 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
-
- 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
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- 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
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to a hollow shaft applied to a round steel necking machine, which comprises: the main machine bottom plate and the box body are characterized in that the upper end of the main machine bottom plate is provided with the box body, a hollow shaft is arranged at the central position of the inner side of the box body, a main belt disc is arranged on the hollow shaft in a matching way, a first support ring, a second support ring, a third support ring and a fourth support ring are sequentially arranged on the outer side of the hollow shaft, at least one ball head is arranged on 4 support rings, a heading arm is arranged on the upper side of the ball head, a spherical seat is arranged on the heading arm at a position corresponding to the ball head, a return spring assembly is arranged on the outer side of the heading arm, a motor belt disc is arranged on the lower side of the main belt disc, the motor belt disc is arranged on a variable frequency motor, a plurality of heading molds are arranged on one side of the heading arm away from the spherical seat, accommodating grooves are arranged on the inner, the heat detection device is used for monitoring the temperature of the heading die.
Description
Technical Field
The invention relates to the field of machining, in particular to a hollow shaft applied to a round steel necking machine.
Background
Among the prior art, the in-process of steel pipe production at first needs to carry out the operation of punching a hole to the round steel and form original tubular product, carries out follow-up processing again, and current equipment is generally lower to the efficiency of round steel operation of punching a hole, and the precision is also not high enough in addition, and current round steel is punched a hole necking machine and is operated inconveniently, and is carrying out steel pipe necking in-process yield relatively poor, and the noise is big and the energy consumption is higher, and the steel pipe is not placed in the middle after getting into the stove, causes central skew, blocks. Through eccentric formula hollow shaft in this application, can realize the unmanned operation of throat machine, degree of automation is higher, and according to the steel pipe temperature data of the thermal monitoring device monitoring of the mould department of taking the lead, carries out real-time adjustment inverter motor's operating frequency, reduces the hollow shaft and rotates the energy consumption.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a hollow shaft applied to a round steel necking machine.
In order to achieve the purpose, the invention adopts the technical scheme that: a hollow shaft applied to a round steel necking machine comprises a main machine bottom plate and a box body, wherein the upper end of the main machine bottom plate is provided with the box body, the central position of the inner side of the box body is provided with a hollow shaft, the hollow shaft is provided with a main belt pulley in a matching way, the outer side of the hollow shaft is sequentially provided with a first support ring, a second support ring, a third support ring and a fourth support ring, the first support ring, the second support ring, the third support ring and the fourth support ring are all provided with at least one ball head, the upper side of the ball head is provided with a heading arm, a spherical seat is arranged on the heading arm corresponding to the ball head, the outer side of the heading arm is provided with a return spring assembly, the lower side of the main belt pulley is provided with a motor belt pulley, and the,
the arm of beating the head is kept away from one side of spherical seat is provided with a plurality of mould of beating the head, and a plurality of mould inboard of beating the head is provided with the storage tank, the storage tank inboard is used for processing the round steel pipe, be provided with hot detection device on the mould of beating the head, hot detection device electric connection to inverter motor, hot detection device is used for monitoring the mould temperature of beating the head, when the mould temperature of beating the head reaches first predetermined value, inverter motor rotates through first frequency, when the mould temperature of beating the head reaches the second predetermined value, inverter motor passes through the second frequency and rotates, first predetermined value is less than the second predetermined value.
In a preferred embodiment of the present invention, when the temperature of the heading die reaches the second temperature value from the first predetermined value, the frequency of the inverter motor is gradually increased from the first frequency to the second frequency.
In a preferred embodiment of the invention, the rotation frequency interval of the variable frequency motor is 20-50HZ, and the polishing time of the mold is 4-5 seconds.
In a preferred embodiment of the present invention, the hollow shaft is an eccentric shaft structure.
In a preferred embodiment of the invention, self-aligning roller bearings are arranged at both ends of the hollow shaft.
In a preferred embodiment of the present invention, the first support ring, the second support ring, the third support ring, and the fourth support ring are all connected to the hollow shaft through a double-row self-aligning roller bearing.
In a preferred embodiment of the present invention, the ball head is disposed on the first support ring, the second support ring, the third support ring, and the fourth support ring in sequence at 90 degrees intervals, and the ball head is connected to the first support ring, the second support ring, the third support ring, and the fourth support ring by screws.
In a preferred embodiment of the invention, the heading arm is arranged at four positions in the box body, the heading arm is connected with the box body in a matched manner through a pin shaft, the return spring assemblies are uniformly distributed on the same horizontal plane of the box body through bolts, and the heading die is connected with the box body in a sliding manner.
In a preferred embodiment of the invention, the ball head can drive the heading die to move up and down and swing.
In a preferred embodiment of the present invention, the number of the heading dies is 4, and 4 heading dies are closed at a speed of 530 times per minute.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) the eccentric hollow shaft rotates and simultaneously pushes the spherical seat on the head beating arm on the outer side of the ball head on the first support ring, the second support ring, the third support ring and the fourth support ring in sequence, so that the high-speed rotary motion of the hollow shaft is converted into high-frequency swing of the head beating arm, four head beating dies are folded at the speed of 530 times per minute, meanwhile, the steel pipe is clamped by the upper pinch roller and the lower pinch roller, the steel pipe rotates along with the rotation of the lower pinch roller and is conveyed forwards, the head of the steel pipe is forged and formed, the forging and forming efficiency of the head of the steel pipe is improved, and the labor intensity is reduced.
(2) This application cavity mandrel is eccentric formula hollow shaft, can realize the unmanned operation of throat machine, and degree of automation is higher, and according to the steel pipe temperature data of the thermal monitoring device monitoring of the mould department of taking the lead, carries out real-time adjustment inverter motor's operating frequency, reduces the hollow shaft and rotates the energy consumption.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 shows a schematic front view of a hollow shaft of the round steel necking machine;
fig. 2 shows a schematic cross-sectional view of a hollow shaft applied to a hollow shaft of a round steel necking machine;
FIG. 3 shows a top cross-sectional structural view of FIG. 2;
in the figure: 1. a host backplane; 2. a box body; 3. a hollow shaft; 4. a first support ring; 5. a second support ring; 6. a third support ring; 7. a fourth support ring; 8. a ball head; 9. a heading arm; 10. a spherical seat; 11. a return spring assembly; 12. a heading die; 13. a primary pulley disc; 14. a motor belt pulley; 15. a variable frequency motor; 16. a guide bar; 17. clamping and conveying the lower roller; 18. clamping and conveying the upper roller; 19. and a cylinder.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1-3, a first aspect of the present invention provides a hollow shaft 3 applied to a round steel necking machine, comprising a main machine bottom plate 1 and a box body 2, wherein the upper end of the main machine bottom plate 1 is provided with the box body 2, the central position of the inner side of the box body 2 is provided with the hollow shaft 3, the hollow shaft 3 is provided with a main belt pulley 13 in a matching manner, the outer side of the hollow shaft 3 is provided with a first support ring 4, a second support ring 5, a third support ring 6 and a fourth support ring 7 in sequence, the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 are all provided with at least one ball head 8, the upper side of the ball head 8 is provided with a heading arm 9, the heading arm 9 is provided with a spherical seat 10 at a position corresponding to the ball head 8, the outer side of the heading arm 9 is provided with a return spring assembly 11, the lower side of the main belt pulley 13 is provided with a motor belt pulley 14, the motor belt pulley 14 is installed on a variable frequency motor 15,
one side that the spherical seat 10 was kept away from to arm 9 of taking the lead is provided with a plurality of mould 12 of taking the lead, a plurality of mould 12 inboard of taking the lead is provided with the storage tank, the storage tank inboard is used for processing the round steel pipe, be provided with hot detection device on the mould 12 of taking the lead, hot detection device electric connection is to inverter motor 15, hot detection device is used for monitoring mould 12 temperature of taking the lead, when mould 12 temperature of taking the lead reaches first predetermined value, inverter motor 15 rotates through first frequency, when mould 12 temperature of taking the lead reaches the second predetermined value, inverter motor 15 rotates through the second frequency, first predetermined value is less than the second predetermined value.
It should be noted that, the eccentric hollow shaft 3 rotates and simultaneously sequentially pushes the spherical seat 10 on the head arm 9 facing the outside of the ball head 8 on the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7, so that the high-degree rotary motion of the hollow shaft 3 is converted into the high-frequency swing of the head arm 9, the four head dies 12 are closed at a speed of 530 times per minute, and simultaneously, the steel pipe is clamped by the upper pinch roller 18 and the lower pinch roller 17, so that the steel pipe rotates along with the rotation of the lower pinch roller 17 and is conveyed forwards, and the head of the steel pipe is forged and formed, thereby improving the forging and forming efficiency of the head of the steel pipe and reducing the labor intensity.
It should be noted that one side of the heading arm 9, which is far away from the spherical seat 10, is provided with a heading die 12 for forging the head of the steel pipe, a return spring assembly 11 is arranged on the outer side of the heading arm 9 for resetting the heading arm 9, a motor belt pulley 14 is arranged on the lower side of a main belt pulley 13, the motor belt pulley 14 is installed on an output shaft of a variable frequency motor 15, one side of the box body 2 is provided with a guide rod 16, the upper end of the guide rod 16 is provided with a pinch lower roller 17, the upper side of the pinch lower roller 17 is provided with a pinch upper roller 18, and the upper end of the pinch upper roller 18 is connected with a cylinder 19 for providing a pressing power of the pinch upper roller 18.
According to the embodiment of the invention, in the process that the temperature of the heading die 12 reaches the second temperature value from the first preset value, the frequency of the variable frequency motor 15 is gradually increased from the first frequency to the second frequency.
According to the embodiment of the invention, the rotating frequency interval of the variable frequency motor 15 is 20-50HZ, and the polishing time of the mold is 4-5 seconds.
The round steel pipe is processed and formed in the heading die 12, the rotation frequency of the inverter motor 15 is gradually increased from 20HZ to 50HZ, and the preferred rotation frequencies of the inverter motor 15 are 20HZ and 50 HZ.
According to an embodiment of the present invention, the hollow shaft 3 is an eccentric shaft structure.
According to the embodiment of the invention, the hollow shaft 3 is provided with self-aligning roller bearings at both ends.
According to the embodiment of the invention, the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 are all connected with the hollow shaft 3 through the double-row self-aligning roller bearings.
It should be noted that, the heading arm 9 is arranged at four positions in the box body 2, the heading arm 9 is connected with the box body 2 through a pin shaft, the return spring assemblies 11 are uniformly distributed on the same horizontal plane of the box body 2 through bolts, the heading die 12 is connected with the box body 2 in a sliding manner, and the heading arm 99 is returned through the return spring assembly 1111 to facilitate the next swinging; the lower pinch roller 17 and the upper pinch roller 18 are curved rollers, one end of the lower pinch roller 17 is connected with a driving motor, the central lines of the upper pinch roller 18 and the lower pinch roller 17 are arranged at an included angle of 45 degrees, so that the upper pinch roller 18 moves downwards and the lower pinch roller 17 forms a clamping state on the round steel, and meanwhile, the round steel is rotated and moves forwards through the rotation of the lower pinch roller 17; the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 are all connected with the hollow shaft 3 through double-row self-aligning cylindrical roller bearings, so that the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 can sequentially push the ball head 8 to swing at intervals when the hollow shaft 3 rotates.
According to the embodiment of the invention, the ball head 8 is respectively arranged on the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7 at intervals of 90 degrees in sequence, and the ball head 8 is in screw connection with the first support ring 4, the second support ring 5, the third support ring 6 and the fourth support ring 7.
According to the embodiment of the invention, the heading arms 9 are arranged at four positions in the box body 2, the heading arms 9 are connected with the box body 2 in a matched mode through pin shafts, the return spring assemblies 11 are uniformly distributed on the same horizontal plane of the box body 2 through bolts, and the heading die 12 is connected with the box body 2 in a sliding mode.
According to the embodiment of the invention, the ball head 8 can drive the heading die 12 to move up and down and swing.
It should be noted that, the heading die 12 swings while moving up and down, so that the force can be absorbed in the moving process of the heading die 12, the heading die 12 performs polishing through rolling friction in the rotating process of the hollow shaft 3, the working load can be reduced, and the noise and the energy consumption are low.
According to the embodiment of the invention, the number of the heading dies 12 is 4, and the 4 heading dies 12 are closed at a speed of 530 times per minute.
This application cavity mandrel 3 is eccentric formula hollow shaft 3, can realize the unmanned operation of throat machine, and degree of automation is higher, and according to the steel pipe temperature data of the thermal monitoring device monitoring of the mould 12 department of taking the lead, carries out the operating frequency of real-time adjustment inverter motor 15, reduces hollow shaft 3 and rotates the energy consumption.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A hollow shaft applied to a round steel necking machine comprises a main machine bottom plate and a box body, and is characterized in that the upper end of the main machine bottom plate is provided with the box body, the central position of the inner side of the box body is provided with a hollow shaft, the hollow shaft is provided with a main belt pulley in a matching way, the outer side of the hollow shaft is sequentially provided with a first support ring, a second support ring, a third support ring and a fourth support ring, the first support ring, the second support ring, the third support ring and the fourth support ring are all provided with at least one ball head, the upper side of the ball head is provided with a heading arm, a spherical seat is arranged on the heading arm corresponding to the ball head, the outer side of the heading arm is provided with a return spring assembly, the lower side of the main belt pulley is provided with a motor belt pulley, and the motor belt pulley is installed on a variable frequency motor,
the arm of beating the head is kept away from one side of spherical seat is provided with a plurality of mould of beating the head, and a plurality of mould inboard of beating the head is provided with the storage tank, the storage tank inboard is used for processing the round steel pipe, be provided with hot detection device on the mould of beating the head, hot detection device electric connection to inverter motor, hot detection device is used for monitoring the mould temperature of beating the head, when the mould temperature of beating the head reaches first predetermined value, inverter motor rotates through first frequency, when the mould temperature of beating the head reaches the second predetermined value, inverter motor passes through the second frequency and rotates, first predetermined value is less than the second predetermined value.
2. The hollow shaft applied to the round steel necking machine according to claim 1, wherein the frequency of the variable frequency motor is gradually increased from a first frequency to a second frequency during the process that the temperature of the heading die reaches a second temperature value from a first preset value.
3. The hollow shaft applied to the round steel necking machine according to claim 1, wherein the rotating frequency range of the variable frequency motor is 20-50Hz, and the polishing time of the mold is 4-5 seconds.
4. The hollow shaft applied to the round steel necking machine according to claim 1, wherein the hollow shaft is an eccentric shaft structure.
5. The hollow shaft applied to the round steel necking machine is characterized in that the hollow shaft is provided with self-aligning roller bearings at both ends.
6. The hollow shaft applied to the round steel necking machine according to claim 5, wherein the first support ring, the second support ring, the third support ring and the fourth support ring are all connected with the hollow shaft through a double-row self-aligning roller bearing.
7. The hollow shaft applied to the round steel necking machine according to claim 5, wherein the ball heads are respectively arranged on the first support ring, the second support ring, the third support ring and the fourth support ring at 90-degree intervals in sequence, and the ball heads are in screw connection with the first support ring, the second support ring, the third support ring and the fourth support ring.
8. The hollow shaft applied to the round steel necking machine according to claim 1, wherein the heading arm is arranged at four positions in the box body, the heading arm is connected with the box body in a matched mode through a pin shaft, the return spring assemblies are uniformly distributed on the same horizontal plane of the box body through bolts, and the heading die is connected with the box body in a sliding mode.
9. The hollow shaft applied to the round steel necking machine as claimed in claim 1, wherein the ball head can drive the heading die to move up and down and swing.
10. The hollow shaft applied to the round steel necking machine according to claim 1, wherein the number of the heading dies is 4, and the 4 heading dies are closed at a speed of 530 times per minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273668.3A CN113145757A (en) | 2021-03-15 | 2021-03-15 | Hollow shaft applied to round steel necking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273668.3A CN113145757A (en) | 2021-03-15 | 2021-03-15 | Hollow shaft applied to round steel necking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113145757A true CN113145757A (en) | 2021-07-23 |
Family
ID=76887339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110273668.3A Withdrawn CN113145757A (en) | 2021-03-15 | 2021-03-15 | Hollow shaft applied to round steel necking machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN113145757A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002235727A (en) * | 2001-02-07 | 2002-08-23 | Sango Co Ltd | Hollow pipe with serration formed therein, and method and device for forming the serration |
| CN1544180A (en) * | 2003-11-25 | 2004-11-10 | 南通工学院 | Intelligent control method for die hammer and intelligent die hammer produced according to said method |
| CN203649270U (en) * | 2014-01-20 | 2014-06-18 | 中国重汽集团济南动力有限公司 | Forging die with self-cooling function |
| CN208696121U (en) * | 2018-08-08 | 2019-04-05 | 誉威五金制品(深圳)有限公司 | A kind of quickly cooling device of precise punching die |
| CN208894875U (en) * | 2018-10-24 | 2019-05-24 | 无锡大金高精度冷拔钢管有限公司 | A kind of cold drawing steel tube heading machine |
| CN211564285U (en) * | 2019-12-27 | 2020-09-25 | 无锡华迪机械设备有限公司 | Full-automatic necking machine |
-
2021
- 2021-03-15 CN CN202110273668.3A patent/CN113145757A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002235727A (en) * | 2001-02-07 | 2002-08-23 | Sango Co Ltd | Hollow pipe with serration formed therein, and method and device for forming the serration |
| CN1544180A (en) * | 2003-11-25 | 2004-11-10 | 南通工学院 | Intelligent control method for die hammer and intelligent die hammer produced according to said method |
| CN203649270U (en) * | 2014-01-20 | 2014-06-18 | 中国重汽集团济南动力有限公司 | Forging die with self-cooling function |
| CN208696121U (en) * | 2018-08-08 | 2019-04-05 | 誉威五金制品(深圳)有限公司 | A kind of quickly cooling device of precise punching die |
| CN208894875U (en) * | 2018-10-24 | 2019-05-24 | 无锡大金高精度冷拔钢管有限公司 | A kind of cold drawing steel tube heading machine |
| CN211564285U (en) * | 2019-12-27 | 2020-09-25 | 无锡华迪机械设备有限公司 | Full-automatic necking machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210723 |