CN210676550U - Multi-station punching equipment for cold roll forming - Google Patents
Multi-station punching equipment for cold roll forming Download PDFInfo
- Publication number
- CN210676550U CN210676550U CN201920910261.5U CN201920910261U CN210676550U CN 210676550 U CN210676550 U CN 210676550U CN 201920910261 U CN201920910261 U CN 201920910261U CN 210676550 U CN210676550 U CN 210676550U
- Authority
- CN
- China
- Prior art keywords
- die
- punching
- plate
- hydraulic telescopic
- guide
- 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.)
- Active
Links
Images
Landscapes
- Press Drives And Press Lines (AREA)
Abstract
The utility model relates to a forming and processing equipment technical field, a multistation equipment that punches a hole that forming and processing used of cold bending, include: the control end, the oil press part and the position sensing device; wherein: the oil press portion includes: the device comprises a lower rack, a feeding assembly, a discharging assembly, an upper rack, a supporting plate, an electromagnetic directional valve, a hydraulic telescopic part and a hydraulic oil tank; the punching die comprises: terrace die subassembly and die subassembly, the utility model discloses a processing of punching a hole in advance improves the position precision of off-the-shelf spot facing work, has efficient, advantages such as precision is good.
Description
Technical Field
The utility model relates to a forming and processing equipment technical field specifically is a multistation equipment that punches a hole that forming and processing used of clod wash.
Background
Cold roll forming is a plastic working process for continuously bending a metal plate strip such as a coil or a strip transversely by sequentially arranging multiple forming rolls to form a profile having a specific cross section, and in recent years, cold-rolled profile steel products have been widely used as important structural members in many fields such as construction, automobile manufacturing, ship manufacturing, electronic industry, and machine manufacturing. The products range from common structural members such as guide rails, doors and windows and the like to special sectional materials manufactured for special purposes, and the types are extremely wide; the section performance of the cold-formed steel per unit weight is superior to that of a hot-rolled steel product, and the cold-formed steel has high surface finish and dimensional precision, so that the cold-formed steel replaces the hot-rolled steel to achieve the double effects of saving steel and energy, and people pay high attention to the development of the cold-formed steel. The continuous desire of users on the aspects of variety, specification, quality and the like of cold-bending section steel products promotes the rapid development of cold-bending forming process technology.
The cold-bending formed section bar is a long strip, holes for connection or fixation are arranged on the cold-bending formed section bar, the former processing mode is that after a product is bent and formed, the product is moved to another station for punching, and the processing procedures have the following defects:
the product is moved to another place for punching processing, and the product is generally several meters or even dozens of meters long, needs to be moved, and wastes time and labor;
when reprocessing is carried out, the positioning is needed to be repositioned, the position precision is influenced, the punching processing is carried out on the bent and formed product, the efficiency is low, the processing is inconvenient, and the efficiency is lower when holes with different shapes or diameters are processed.
Disclosure of Invention
The utility model aims at providing a multistation equipment that punches a hole of forming process usefulness of cold bending just for solving the problem mentioned in the above-mentioned background art, this device sets up before forming process for punch a hole in advance, can dash a plurality of shapes or the different hole of size moreover, then later obtain the finished product after forming process again.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a multistation punching equipment of cold roll forming processing usefulness includes:
the control end is used for controlling the action of the oil press part to realize pressure processing:
the hydraulic press part is used for providing power for the punching die;
the punching dies are provided with a plurality of punching dies, are placed in the oil press part and are used for punching the profile raw materials; and
the position sensing device is controlled by the control end and is used for sensing the blanking stroke of the punching die;
wherein:
the oil hydraulic portion includes:
the lower rack is used for bearing parts above the lower rack, and a horizontally arranged platform for bearing the punching die is arranged at the top of the lower rack;
the feeding assembly is arranged on one side of the lower rack platform;
the discharging assembly is arranged on the other side of the lower rack platform;
the feeding assembly and the discharging assembly are respectively arranged on two sides of the punching die set, and a groove for accommodating a hydraulic telescopic component for driving each punching die to move up and down is formed downwards on the top surface of the upper frame;
the supporting plate is arranged above the groove and used for supporting the electromagnetic directional valves corresponding to the plurality of hydraulic telescopic components;
the electromagnetic reversing valve is controlled by the control end, is arranged above the supporting plate and is used for switching the up-and-down movement of the hydraulic telescopic component;
the hydraulic telescopic parts are controlled by the control end, arranged in the grooves, connected with the upper end surface of the punching die right below the hydraulic telescopic parts and used for driving the male die of the punching die to move up and down, and communicated with the corresponding electromagnetic reversing valves through oil feeding pipes and oil return pipes;
the hydraulic oil tank is arranged on the rear side of the upper rack, a plurality of electromagnetic directional valves are respectively communicated with the hydraulic oil tank through an upper oil pipe and an oil return pipe, and a hydraulic oil pump is arranged above the hydraulic oil tank;
the punching die comprises:
a male die assembly, an upper end surface of the male die assembly being connected to a lower end of the hydraulic telescopic member, an
The female die assembly is arranged on the lower rack platform;
and the position sensing device is arranged at the bottom end of the support led out from the front of the upper frame and used for sensing the limit position of the up-and-down movement of the male die assembly.
Preferably, the number of the electromagnetic directional valves is the same as the number of the hydraulic telescopic components.
Preferably, the number of the electromagnetic directional valves is the same as the number of the hydraulic telescopic components.
Preferably, the die assembly comprises: the die seat plate is positioned at the bottom layer, two sides above the die seat plate are respectively provided with a guide pillar, the guide pillars are matched with the guide sleeves, a reset spring is sleeved on a pillar body of each guide pillar, the lower end of each reset spring is fixedly connected with the die seat plate, a die plate is arranged between the guide pillars at the two sides, and the die plate is connected with the die seat plate.
Preferably, the die assembly comprises: the die seat plate is positioned at the bottom layer, two sides above the die seat plate are respectively provided with a guide pillar, the guide pillars are matched with the guide sleeves, a reset spring is sleeved on a pillar body of each guide pillar, the lower end of each reset spring is fixedly connected with the die seat plate, a die plate is arranged between the guide pillars at the two sides, and the die plate is connected with the die seat plate.
Furthermore, 4 guide frames are symmetrically arranged above the cavity plate along the vertical direction and the left and right direction, and each guide frame is provided with a guide roller capable of rotating around the axis of the guide roller;
and a through groove for avoiding the guide frame and the guide roller is also arranged on the pressing plate.
Advantageous effects
The utility model has the advantages that:
compared with the prior art, the utility model discloses a processing of punching a hole in advance improves the position precision of off-the-shelf spot facing work, has efficiently, advantage such as precision is good, the utility model discloses a plurality of moulds process of punching a hole, are applicable to the processing of the clod wash section bar of porous type more.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is another angle structure diagram of the utility model;
fig. 3 is a schematic structural view of the oil press part of the present invention;
fig. 4 is another angle structure diagram of the oil press part of the present invention;
FIG. 5 is a schematic structural view of a male mold of the present invention;
FIG. 6 is a schematic view of the structure of the concave mold of the present invention;
in the figure: 1-a control end;
2-oil press part, 2.1-lower frame, 2.2-feeding component, 2.3-upper frame, 2.4-supporting plate,
2.5-electromagnetic directional valve, 2.6-hydraulic oil pump, 2.7-hydraulic oil tank, 2.8-groove, 2.9-discharging component, 2.10-hydraulic telescopic component;
3-punching die, 3.1-male die component, 3.1.1-upper die seat plate, 3.1.2-guide sleeve, 3.1.3-male die fixing plate, 3.1.4-pressing plate and 3.1.5-male die;
3.2-female die component, 3.2.1-female die seat plate, 3.2.2-guide column, 3.2.3-reset spring, 3.2.4-female die plate, 3.2.5-guide roller and 3.2.6-guide frame;
4-position sensing means.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention.
It should be noted that, in the following description, the terms "front", "back", "left", "right", "upper" and "lower" are used, the terms "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "front" and "back" refer to directions toward or away from the geometric center of a specific component, respectively, and in combination with the drawings in the embodiments of the present invention, the technical solution in the embodiments of the present invention is clearly and completely described.
Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
This device sets up before the forming process for punching a hole processing in advance, can punch a plurality of shapes or the different holes of size moreover, then obtain the finished product after forming process again.
Referring to fig. 1 and 2, a multi-station punching apparatus for cold roll forming includes:
the control end 1 is used for controlling the action of the oil press part to realize pressure processing:
the hydraulic press part 2 is used for providing power for the punching die;
a plurality of punching dies 3 are arranged in the oil press part 2 and used for punching the profile raw material; and
and the position sensing device 4 is controlled by the control end 1 and is used for sensing the blanking stroke of the punching die 3.
Referring to figures 3 and 4 of the drawings,
the hydraulic unit 2 includes:
and the lower frame 2.1 is used for bearing parts above the lower frame, and the top of the lower frame 2.1 is provided with a horizontally arranged platform for bearing the punching die 3.
The feeding component 2.2 is arranged on one side of the platform of the lower frame 2.1, the feeding component 2.2 is used for supporting feeding of belt materials, the discharging component 2.9 is arranged on the other side of the platform of the lower frame 2.1, and the discharging component 2.9 is used for sliding out of the belt materials, so that the belt materials are all in the prior art and are not described herein.
The upper frame 2.3 is positioned above the platform of the lower frame 2.1, the upper frame 2.3 and the platform of the lower frame 2.1 form a space for placing the punching dies 3, the punching dies 3 are arranged in the space according to the process sequence and form a group, the feeding assembly 2.2 and the discharging assembly 2.9 are respectively arranged at two sides of the punching dies 3, and a groove 2.8 for accommodating a hydraulic telescopic component for driving each punching die 3 to move up and down is downwards arranged on the top surface of the upper frame 2.3.
And the supporting plate 2.4 is arranged above the groove 2.8 and is used for supporting the electromagnetic directional valves corresponding to the plurality of hydraulic telescopic parts.
The electromagnetic directional valves 2.5 are controlled by the control end 1, the number of the electromagnetic directional valves 2.5 is the same as that of the hydraulic telescopic parts 2.10, and the electromagnetic directional valves 2.5 are arranged above the supporting plate 2.4 and used for switching the up-and-down movement of the hydraulic telescopic parts.
The hydraulic telescopic parts 2.10 are controlled by the control end 1, the hydraulic telescopic parts 2.10 are arranged in the grooves 2.8, the positions right below the hydraulic telescopic parts 2.10 are connected with the upper end face of the punching die 3 and used for driving a male die of the punching die 3 to move up and down, each hydraulic telescopic part 2.10 is communicated with the corresponding electromagnetic reversing valve 2.5 through an oil feeding pipe and an oil returning pipe, and the number of the position sensing devices 4 is the same as that of the hydraulic telescopic parts 2.10.
The hydraulic oil tank 2.7 is arranged at the rear side of the upper frame 2.3, the electromagnetic directional valves 2.5 are respectively communicated with the hydraulic oil tank 2.7 through an upper oil pipe and an oil return pipe, and a hydraulic oil pump 2.6 is also arranged above the hydraulic oil tank 2.7.
Please refer to fig. 5 and 6:
the punching die 3 includes:
a male die component 3.1, the upper end surface of the male die component 3.1 is connected with the lower end of a hydraulic telescopic component 2.10,
the female die component 3.2 is arranged on the platform of the lower frame 2.1, and the female die component 3.2 is arranged on the platform of the lower frame 2.1.
The punch assembly 3.1 comprises: the upper die base plate 3.1.1 is positioned at the top layer, two sides below the upper die base plate 3.1.1 are respectively provided with a guide sleeve 3.1.2, a male die fixing plate 3.1.3 connected with the upper die base plate 3.1.1 is arranged between the guide sleeves 3.1.2 at the two sides, the male die fixing plate 3.1.3 is provided with a plurality of male dies 3.1.5 extending downwards, the male die fixing plate 3.1.3 is also provided with a pressing plate 3.1.4 penetrating through a plurality of male dies 3.1.5, and the male die fixing plate 3.1.3 is connected with the pressing plate 3.1.4 through a resetting element.
The female die assembly 3.2 comprises: the die base plate 3.2.1 is positioned at the bottom layer, two sides above the die base plate 3.2.1 are respectively provided with a guide pillar 3.2.2, the guide pillar 3.2.2 is matched with the guide sleeve 3.1.2, the column body of the guide pillar 3.2.2 is sleeved with a reset spring 3.2.3, the lower end of the reset spring 3.2.3 is fixedly connected with the die base plate 3.2.1, a die plate 3.2.4 is arranged between the guide pillars 3.2.2 at the two sides, and the die plate 3.2.4 is connected with the die base plate 3.2.1.
And the position sensing device 4 is arranged at the bottom end of the support led out from the front of the upper frame 2.3, and is used for sensing the limit position of the up-and-down movement of the male die component 3.1 and calculating the stroke of the die.
Because the situation that the sheet material can have warpage and off tracking in the course of working, think certainly can be equipped with guider on pay-off subassembly 2.2 and ejection of compact subassembly 2.9, but pay-off subassembly 2.2 and ejection of compact subassembly 2.9 distance are long mutually still can have slight warpage and off tracking's condition, so also be equipped with a guider on every mould, it is as follows specifically: 4 guide frames 3.2.6 are symmetrically arranged above the cavity plate 3.2.4 along the vertical and the left and right directions, each guide frame 3.2.6 is provided with a guide roller 3.2.5 which can rotate around the axis of the guide roller, and the pressure plate 3.1.4 is also provided with a through groove 3.1.6 which avoids the guide frame 3.2.6 and the guide roller 3.2.5.
When the punching die is used, a group of corresponding punching dies 3 are prepared according to the shape and the size of the required punching holes, the holes required to be punched on the cold-bending formed section are a plurality of holes which are arranged in a row at intervals according to the specified size, and a punch head and a concave die matched with the punch head are prepared by the group of punching dies 3 according to the corresponding hole shape.
The section to be punched is placed at a feeding port of a feeding assembly 2.2, under the control of a control end 1, the section enters a set of punching dies 3 which are arranged for corresponding punching processing, the punched section enters a discharging assembly 2.9 and then is guided to the next procedure, and the next procedure is usually a cutting procedure, namely, the section is cut according to a specified length and then is put in storage.
The advantage of this set of device lies in, goes up the feed once and can carry out complete punching operation on this set of device, adds simple convenient and precision height of single, improves quality and efficiency, avoids the dimensional error that the previous punching a hole caused according to time.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a multistation punching equipment of cold roll forming processing usefulness which characterized in that includes:
the control end (1) is used for controlling the action of the oil press part to realize pressure processing:
the hydraulic press part (2) is used for providing power for the punching die;
the punching dies (3) are arranged in the oil press part (2) and used for punching the profile raw materials; and
the position sensing device (4) is controlled by the control end (1) and is used for sensing the blanking stroke of the punching die (3);
wherein:
the oil hydraulic unit (2) includes:
the punching die comprises a lower rack (2.1) and a lower rack, wherein the lower rack is used for bearing parts above the lower rack, and a horizontally arranged platform for bearing the punching die (3) is arranged at the top of the lower rack (2.1);
the feeding component (2.2), the feeding component (2.2) is arranged on one side of the platform of the lower rack (2.1);
the discharging component (2.9), the discharging component (2.9) is arranged on the other side of the platform of the lower rack (2.1);
the upper rack (2.3) is positioned above the platform of the lower rack (2.1), a space for placing the punching dies (3) is formed between the upper rack (2.3) and the platform of the lower rack (2.1), a plurality of punching dies (3) are arranged in the space according to the working procedure sequence and form a group, the feeding assembly (2.2) and the discharging assembly (2.9) are respectively arranged at two sides of the group of punching dies (3), and a groove (2.8) for accommodating a hydraulic telescopic part for driving each punching die (3) to move up and down is downwards formed in the top surface of the upper rack (2.3);
the supporting plate (2.4) is arranged above the groove (2.8) and used for supporting the electromagnetic directional valves corresponding to the hydraulic telescopic components;
the electromagnetic directional valve (2.5) is controlled by the control end (1), and the electromagnetic directional valve (2.5) is arranged above the supporting plate (2.4) and used for switching the up-and-down movement of the hydraulic telescopic component;
the hydraulic telescopic part (2.10) is controlled by the control end (1), the hydraulic telescopic part (2.10) is arranged in the groove (2.8), the position right below the hydraulic telescopic part (2.10) is connected with the upper end face of the punching die (3) and used for driving a male die of the punching die (3) to move up and down, and each hydraulic telescopic part (2.10) is communicated with the corresponding electromagnetic reversing valve (2.5) through an oil feeding pipe and an oil returning pipe;
the hydraulic oil tank (2.7) is arranged at the rear side of the upper rack (2.3), a plurality of electromagnetic directional valves (2.5) are respectively communicated with the hydraulic oil tank (2.7) through an oil feeding pipe and an oil return pipe, and a hydraulic oil pump (2.6) is also arranged above the hydraulic oil tank (2.7);
the punching die (3) includes:
a male die component (3.1), the upper end face of the male die component (3.1) is connected with the lower end of the hydraulic telescopic part (2.10), an
The female die assembly (3.2), the female die assembly (3.2) is arranged on the lower rack (2.1) platform;
the position sensing device (4) is arranged at the bottom end of a support led out from the front of the upper rack (2.3) and used for sensing the limit position of the up-and-down movement of the male die assembly (3.1).
2. The multi-station punching equipment for cold roll forming machining according to claim 1, characterized in that: the number of the electromagnetic directional valves (2.5) is the same as that of the hydraulic telescopic parts (2.10).
3. The multi-station punching equipment for cold roll forming machining according to claim 1, characterized in that: the number of the position sensing devices (4) is the same as that of the hydraulic telescopic parts (2.10).
4. The multi-station punching equipment for cold roll forming machining according to claim 1, characterized in that: the punch assembly (3.1) comprises: the die comprises an upper die base plate (3.1.1) located at the top layer, wherein two sides below the upper die base plate (3.1.1) are respectively provided with a guide sleeve (3.1.2), a punch plate (3.1.3) connected with the upper die base plate (3.1.1) is arranged between the guide sleeves (3.1.2) at the two sides, the punch plate (3.1.3) is provided with a plurality of punches (3.1.5) extending downwards, the punch plate (3.1.3) is further provided with a pressing plate (3.1.4) penetrating through the plurality of punches (3.1.5), and the punch plate (3.1.3) is connected with the pressing plate (3.1.4) through a reset element.
5. The multi-station punching equipment for cold roll forming machining according to claim 4, characterized in that: the die assembly (3.2) comprises: the die base plate is located at the bottom layer (3.2.1), two sides above the die base plate (3.2.1) are respectively provided with a guide pillar (3.2.2), the guide pillar (3.2.2) is matched with the guide sleeve (3.1.2), a reset spring (3.2.3) is sleeved on a pillar body of the guide pillar (3.2.2), the lower end of the reset spring (3.2.3) is fixedly connected with the die base plate (3.2.1), a die plate (3.2.4) is arranged between the guide pillars (3.2.2) at two sides, and the die plate (3.2.4) is connected with the die base plate (3.2.1).
6. The multi-station punching equipment for cold roll forming machining according to claim 4, characterized in that: 4 guide frames (3.2.6) are symmetrically arranged above the cavity plate (3.2.4) along the vertical and the left and right directions, and each guide frame (3.2.6) is provided with a guide roller (3.2.5) capable of rotating around the axis of the guide roller;
and a through groove (3.1.6) which avoids the guide frame (3.2.6) and the guide roller (3.2.5) is also arranged on the pressure plate (3.1.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920910261.5U CN210676550U (en) | 2019-06-18 | 2019-06-18 | Multi-station punching equipment for cold roll forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920910261.5U CN210676550U (en) | 2019-06-18 | 2019-06-18 | Multi-station punching equipment for cold roll forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210676550U true CN210676550U (en) | 2020-06-05 |
Family
ID=70893915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920910261.5U Active CN210676550U (en) | 2019-06-18 | 2019-06-18 | Multi-station punching equipment for cold roll forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210676550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511347A (en) * | 2023-07-03 | 2023-08-01 | 北京航天光华电子技术有限公司 | Online continuous punching device in cold roll forming |
-
2019
- 2019-06-18 CN CN201920910261.5U patent/CN210676550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511347A (en) * | 2023-07-03 | 2023-08-01 | 北京航天光华电子技术有限公司 | Online continuous punching device in cold roll forming |
| CN116511347B (en) * | 2023-07-03 | 2023-09-12 | 北京航天光华电子技术有限公司 | Online continuous punching device in cold roll forming |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201309074Y (en) | Punching device for production line | |
| CN110588037B (en) | Stamping device for casting machining | |
| CN109985990A (en) | Numerical control bending integrally forming machine | |
| CN103551455B (en) | A kind of progressive die and its processing method for processing vehicle seat slideway wallboard | |
| CN210676550U (en) | Multi-station punching equipment for cold roll forming | |
| KR101911744B1 (en) | Roll forming system and method | |
| US5623849A (en) | Vertically adjustable tool actuators for a single stage finishing press | |
| CN209849698U (en) | Stamping die for metal support | |
| CN108746383B (en) | A diversified fixing device that fixes a position that is used for many parts of car punching press simultaneously | |
| CN101507983B (en) | Device and method for manufacturing vehicle longeron variable cross-section channel bar | |
| CN110102639B (en) | Punch forming composite die for automobile seat framework and machining process of punch forming composite die | |
| CN210147464U (en) | Goods shelves plywood fossil fragments shaping production line | |
| CN113976723B (en) | Mold for producing and processing automobile parts and preparation process thereof | |
| CN220560198U (en) | Integrated combined punching mechanism of slide block type punching machine | |
| CN215879589U (en) | Stamping die convenient to material loading | |
| CN214290381U (en) | 5G signal tower connector terminal stamping die | |
| CN210454280U (en) | Tubular product section bar decorative pattern stamping equipment and decorative pattern stamping die thereof | |
| CN216857929U (en) | Thermal forming die with hole flanging function | |
| CN211330964U (en) | Automobile punching part cambered surface forming device | |
| CN218252404U (en) | Split type slider mechanism in stamping die | |
| US9375774B1 (en) | Container body forming apparatus and method | |
| CN220636029U (en) | Continuous stamping die capable of automatically conveying and positioning workpieces | |
| CN214184865U (en) | Angle steel cut-out press | |
| CN109261798B (en) | Automatic processing equipment for stamping parts | |
| CN217412102U (en) | Steel plate punching machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 223700 No. 11, Ronghua East Road, Baji national entrepreneurship Park, Lai'an street, Siyang County, Suqian City, Jiangsu Province Patentee after: Ailefen cold bending technology Jiangsu Co.,Ltd. Address before: 223700 ronghua East Road, Baji Township, Siyang County, Suqian City, Jiangsu Province Patentee before: Siyang Henglian Hardware Machinery Co.,Ltd. |
|
| CP03 | Change of name, title or address |