CN219484862U - Multi-head laser drilling, milling and cutting integrated production line - Google Patents
Multi-head laser drilling, milling and cutting integrated production line Download PDFInfo
- Publication number
- CN219484862U CN219484862U CN202321520289.0U CN202321520289U CN219484862U CN 219484862 U CN219484862 U CN 219484862U CN 202321520289 U CN202321520289 U CN 202321520289U CN 219484862 U CN219484862 U CN 219484862U
- Authority
- CN
- China
- Prior art keywords
- milling
- cutting
- length measuring
- positioning mechanism
- drilling
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 66
- 238000003801 milling Methods 0.000 title claims abstract description 66
- 238000005520 cutting process Methods 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000012545 processing Methods 0.000 claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 244000309464 bull Species 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 15
- 238000003860 storage Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model provides a multi-head laser drilling, milling and cutting integrated production line, which relates to the technical field of section bar processing machine tool equipment, and adopts the following scheme: the feeding device, the drilling and milling device, the buffer storage device, the cutting and processing device and the discharging device are sequentially arranged along the feeding direction, the drilling and milling device is provided with a first length measuring and positioning mechanism, and the cutting and processing device is provided with a second length measuring and positioning mechanism. Through setting up first length measuring positioning mechanism in boring and milling processingequipment department, set up second length measuring positioning mechanism in cutting processingequipment department, first length measuring positioning mechanism and second length measuring positioning mechanism cooperate, fix a position respectively before boring and milling processing to same section bar, fix a position before cutting processing, make two different positions of same section bar location, realize same location benchmark through first length measuring positioning mechanism and second length measuring positioning mechanism, guarantee section bar machining precision.
Description
Technical Field
The utility model relates to the technical field of section bar processing machine tool equipment, in particular to a multi-head laser drilling, milling and cutting integrated production line.
Background
At present, most drilling and milling machining center equipment adopts single three-axis linkage numerical control machining, a drilling and milling device and a cutting device are integrated on a production line, automation of door and window section machining is achieved, milling of holes and grooves in the section is completed, and the production efficiency is improved.
As disclosed in patent document CN218341474U, publication No. 2023, 01 and 20, an automatic door and window processing production line, which comprises a feeding device, a drilling and milling processing center, a sawing processing center and a discharging device, which are sequentially arranged, wherein the drilling and milling processing center is provided with a laser head cutting assembly and a drilling and milling cutter assembly, and the drilling and milling processing center can complete processing in four directions through a rotation position, and only one group of cutting assemblies is required to be arranged; the scheme has two processing technologies of laser processing and drilling and milling cutter processing, and can flexibly select a processing mode according to the requirements of a processed hole, namely, the drilling and milling cutter assembly is used for drilling and processing a hole with high requirements on the processing surface quality, and the laser cutting head is used for rapidly processing a common hole, so that the drilling efficiency of the profile is improved.
However, the above solution still has the following drawbacks: the drilling, milling and cutting processes are integrated on a production line, the drilling and cutting positions of the profile are strictly required, the profile is easy to deviate in the conveying process between the drilling, milling and cutting processes, and the positioning mechanism (a side supporting roller and a bottom roller) is used for realizing coarse positioning, so that the profile is difficult to deviate based on the same standard when drilling and cutting, the drilling and cutting positions of the profile are inaccurate, errors are generated to influence the use of the profile, and the profile becomes waste.
Therefore, aiming at the current situation that the prior art has waste materials generated by processing errors due to different positioning references of two processes of section drilling and cutting, the research and development of a multi-head laser drilling, milling and cutting integrated production line capable of drilling and cutting on the same reference is an urgent problem to be solved.
Disclosure of Invention
The utility model aims to solve the problem that the existing section drilling and milling cutting production line has waste caused by machining errors due to different positioning references of two sections, and provides and designs a multi-head laser drilling and milling cutting integrated production line, wherein drilling machining and cutting machining can be on the same reference, and machining precision is guaranteed.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a bull laser bores and mills cutting integrated production line, includes that feeding device, boring and milling processingequipment, buffer unit, cutting processingequipment, discharging device that follow the pay-off direction and arrange in proper order, bores and mills processingequipment and is provided with first length measuring positioning mechanism, and cutting processingequipment is provided with second length measuring positioning mechanism. Through setting up first length measuring positioning mechanism in boring and milling processingequipment department, set up second length measuring positioning mechanism in cutting processingequipment department, first length measuring positioning mechanism and second length measuring positioning mechanism cooperate, fix a position respectively before boring and milling processing to same section bar, fix a position before cutting processing, make two different positions of same section bar location, realize same location benchmark through first length measuring positioning mechanism and second length measuring positioning mechanism, guarantee section bar machining precision.
Further, the first length measuring positioning mechanism and the second length measuring positioning mechanism both comprise a horizontal driving cylinder, and a piston rod of the horizontal driving cylinder is connected with a positioning column. Because the locating column, profile side and bottom surface exist and support, the arcwall face of locating lever is perpendicular to the profile terminal surface and arranges, and the profile removes the location in-process, and the profile terminal surface pushes up on the locating column, because the locating column is the arcwall face, and the profile terminal surface is little with the contact area of locating column, basically point contact (here indicates for the limit that is in same high position, if profile terminal surface same altitude has two bump, only has a bump contact), and also only this point contact has an accurate location benchmark, and first length measuring positioning mechanism and second length measuring positioning mechanism all adopt the locating column, realize the point contact location, guaranteed same location benchmark.
Further, a ranging sensor is installed on the horizontal driving cylinder and used for measuring the moving distance of the positioning column.
Further, a sliding block is arranged on a piston rod of the horizontal driving cylinder, the sliding block is connected with a track on the horizontal cylinder, a connecting plate is fixed on the sliding block, and a positioning column is detachably arranged on the connecting plate. The sliding block is connected with the slide way on the horizontal cylinder, so that the stability of the telescopic movement of the piston rod is ensured; the connecting plate is fixedly arranged on the sliding block to provide stable installation position and support for the positioning column.
Further, an arc-shaped positioning groove is formed in the connecting plate, and the positioning column is detachably arranged in the arc-shaped positioning groove. The arc-shaped positioning groove matched with the side surface of the positioning column is arranged to limit the positioning column, so that the positioning column is convenient to install and is accurate in position and difficult to move; the locating column is detachable through the connecting piece, is convenient for change the installation.
Further, the first length measuring and positioning mechanism is connected with a lifting cylinder. The lifting cylinder can drive the first length measuring and positioning mechanism to move up and down, and the conveying is not affected by descending during the conveying of the profile.
Further, the second length measuring and positioning mechanism is connected with a lifting cylinder. The lifting cylinder can drive the second length measuring and positioning mechanism to move up and down, and the conveying is not affected by the descending during the conveying of the profile.
Further, the drilling and milling device comprises a processing base, two four-axis machine heads are arranged on one side of the processing base, three-axis laser and electric spindle drilling and milling machine heads are arranged on the other side of the processing base, five servo clamps are arranged at intervals along the longitudinal direction of the processing base, the five servo clamps are a first servo clamp, a second servo clamp, a third servo clamp, a fourth servo clamp and a fifth servo clamp in sequence, the first servo clamp is identical to the fifth servo clamp, and the third servo clamp is identical to the fourth servo clamp.
Further, a drilling and milling feeding roller way is arranged at the feeding end of the drilling and milling processing device, a cutting feeding roller way is arranged at the feeding end of the cutting processing device, and the drilling and milling feeding roller way and the cutting feeding roller way are roller conveying channels.
Further, the feeding device and the buffer device are both of belt conveying structures, and a discharging end of the drilling and milling device is provided with a drilling and milling discharging roller way.
From the above technical scheme, the utility model has the following advantages:
the utility model provides a bull laser bores mills cutting integrated production line, through set up first length measuring positioning mechanism in boring and milling processingequipment department, set up second length measuring positioning mechanism in cutting processingequipment department, first length measuring positioning mechanism cooperates with second length measuring positioning mechanism, fix a position before boring and milling processing respectively same section bar, fix a position before cutting processing, make two different positions of same section bar location, all adopt the reference column through first length measuring positioning mechanism and second length measuring positioning mechanism, make section bar terminal surface and reference column be the point contact basically, realize the same location benchmark of section bar, guarantee section bar machining precision.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a drilling and milling device according to an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a triaxial laser and electric spindle drilling and milling machine head according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a first length-measuring positioning mechanism according to an embodiment of the present utility model.
Fig. 5 is a schematic structural diagram of a second length-measuring positioning mechanism according to an embodiment of the present utility model.
In the figure, 1, a feeding device, 2, a drilling and milling feeding roller way, 3, a drilling and milling processing device, 4, a first length measuring positioning mechanism, 5, a drilling and milling discharging roller way, 6, a buffer device, 7, a cutting feeding roller way, 8, a second length measuring positioning mechanism, 9, a cutting processing device, 10, a cutting discharging roller way, 11, a discharging device, 12, a horizontal driving cylinder, 13, a sliding block, 14, a connecting plate, 15, a positioning column, 16, a ranging sensor, 17, a lifting cylinder, 31, a laser and electric spindle drilling and milling machine head, 32, a four-axis machine head, 33, a first servo clamp, 34, a second servo clamp, 35, a third servo clamp, 36, a fourth servo clamp, 37, a fifth servo clamp, 38 and a processing base.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1 to 5, this embodiment provides a multi-head laser drilling, milling and cutting integrated production line, including loading attachment 1, drilling, milling and processing device 3, buffer memory device 6, cutting and processing device 9, discharging device 11 that follow the pay-off direction and arrange in proper order, drilling, milling and processing device 3 is provided with first length measuring positioning mechanism 4, and cutting and processing device 9 is provided with second length measuring positioning mechanism 8. The feeding device 1, the buffer device 6 and the discharging device 11 all adopt belt conveying structures, a feeding end of the drilling and milling device 3 is provided with a drilling and milling feeding roller way 2, a discharging end of the drilling and milling device 3 is provided with a drilling and milling discharging roller way 5, a feeding end of the cutting device 9 is provided with a cutting feeding roller way 7, a discharging end of the cutting device 9 is provided with a cutting discharging roller way 10, and the drilling and milling feeding roller way 2 and the cutting feeding roller way 7 are roller conveying channels.
As shown in fig. 4 and fig. 5, the first length measuring positioning mechanism 4 and the second length measuring positioning mechanism 8 each include a horizontal driving cylinder 12, a piston rod of the horizontal driving cylinder 12 is connected with a positioning column 15, because the positioning column 15 supports a side surface and a bottom surface of a profile, an arc surface of the positioning rod is perpendicular to an end surface of the profile, the profile is moved to the position in the moving positioning process, the end surface of the profile is propped against the positioning column 15, because the positioning column 15 is an arc surface, a contact area between the end surface of the profile and the positioning column 15 is small, the contact area is basically point contact (here, for edges at the same height position, such as the end surface of the profile has two protruding points at the same height, only one protruding point contacts), and only one point contact has an accurate positioning reference. Specifically, a sliding block 13 is arranged on a piston rod of the horizontal driving cylinder 12, the sliding block 13 is connected with a track on the horizontal cylinder, a connecting plate 14 is fixed on the sliding block 13, a positioning column 15 is detachably arranged on the connecting plate 14, and the sliding block 13 is connected with a slideway on the horizontal cylinder to ensure the stability of the telescopic movement of the piston rod; a connecting plate 14 is fixedly arranged on the sliding block 13 to provide stable installation position and support for the positioning column 15. The connecting plate 14 is provided with an arc-shaped positioning groove, the positioning column 15 is detachably arranged in the arc-shaped positioning groove, and the positioning column 15 is limited by arranging the arc-shaped positioning groove which is matched with the side surface of the positioning column 15, so that the positioning column 15 is convenient to be accurately arranged in the installation position and difficult to move; the positioning column 15 is detachable through a connecting piece, so that replacement and installation are facilitated.
The first length measuring and positioning mechanism 4 is connected with a lifting cylinder 17, and the lifting cylinder 17 can drive the first length measuring and positioning mechanism 4 to move up and down; the second length measuring positioning mechanism 8 is connected with a lifting cylinder 17, and the lifting cylinder 17 can drive the second length measuring positioning mechanism 8 to move up and down, so that the conveying is not influenced when the profile is conveyed.
In addition, the drilling and milling device 3 includes a machining base 38, two four-axis heads 32 are installed on one side of the machining base 38, three-axis laser and electric spindle drilling and milling heads 31 are installed on the other side of the machining base 38, five servo clamps are arranged at intervals along the longitudinal direction of the machining base 38, the five servo clamps are a first servo clamp 33, a second servo clamp 34, a third servo clamp 35, a fourth servo clamp 36, a fifth servo clamp 37 in sequence, the first servo clamp 33 is identical to the fifth servo clamp 37, and the third servo clamp 35 is identical to the fourth servo clamp 36.
The working principle is as follows: the section bar is conveyed to the drilling and milling feeding roller way 2 through the feeding device 1, the drilling and milling feeding roller way 2 is provided with a movable feeding gripper, the feeding gripper pushes the section bar to move along the drilling and milling feeding roller way 2, the section bar is conveyed to the processing base 38, the first servo clamp 33 performs upper pressing and side positioning pressing on the section bar, the section bar is driven to the first length measuring mechanism, the end face of the section bar is propped against the positioning column 15, the piston rod of the horizontal driving cylinder 12 is contracted, the positioning column 15 moves backwards, the distance measuring sensor 16 measures the moving distance of the piston rod, then the piston rod of the horizontal driving cylinder 12 extends out, the positioning column 15 moves forwards, the buffer, the distance measuring and the positioning functions are realized by moving backwards and forwards, the positioning reference is ensured, when the section bar moves in place, the section bar is measured, the second servo clamp 34 and the fifth servo clamp 37 perform position adjustment according to the processing technology, at this time, the four-axis machine head 32 performs the processing of the upper surface, the front surface and the lower surface of the section bar according to the processing technology, the four-axis machine head 32 moves backwards, the moving distance of the distance measuring sensor 16 measures the piston rod, then the piston rod of the horizontal driving cylinder 12 extends, the positioning column 15 moves forwards, the positioning column 15, the moving forwards and moves forwards, and forwards the processing the section bar is processed by the processing through the laser spindle, and the processing machine spindle, and has the processing precision of the processing. In addition, the triaxial laser motorized spindle head is not required to avoid a servo clamp in the machining process, so that the profile is directly machined, and the machining efficiency is improved. After the section bar is processed in the processing area, the section bar enters the drilling and milling blanking roller way 5, then enters the buffer device 6, enters the cutting feeding roller way 7 under the conveying of a belt, sends the section bar to the second length measuring mechanism of the cutting area, carries out length measuring positioning again, is identical to the action principle of the first length measuring mechanism, ensures that the section bar positioning reference is identical with the second length measuring positioning mechanism 8 and the first length measuring positioning mechanism 4, then cuts the section bar, and the cut section bar enters the discharging device 11 through the cutting blanking roller way 10, so that the processing of the section bar is completed.
The terms "upper," "lower," "outboard," "inboard," and the like in the description and in the claims of the utility model and in the above figures, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a bull laser bores and mills cutting integrated production line, includes loading attachment, bores and mills processingequipment, buffer unit, cutting processingequipment, the discharging device that arranges in proper order along the pay-off direction, its characterized in that bores and mills processingequipment and is provided with first length measuring positioning mechanism, and cutting processingequipment is provided with second length measuring positioning mechanism.
2. The multi-head laser drilling, milling and cutting integrated production line according to claim 1, wherein the first length measuring positioning mechanism and the second length measuring positioning mechanism comprise horizontal driving cylinders, and a piston rod of each horizontal driving cylinder is connected with a positioning column.
3. The multi-head laser drilling, milling and cutting integrated production line according to claim 2, wherein a ranging sensor is installed on the horizontal driving cylinder.
4. The integrated production line for multi-head laser drilling, milling and cutting according to claim 3, wherein a sliding block is installed on a piston rod of the horizontal driving cylinder, the sliding block is connected with a track on the horizontal cylinder, a connecting plate is fixed on the sliding block, and the positioning column is detachably installed on the connecting plate.
5. The integrated production line for multi-head laser drilling, milling and cutting as claimed in claim 4, wherein the connecting plate is provided with an arc-shaped positioning groove, and the positioning column is detachably arranged in the arc-shaped positioning groove.
6. The multi-head laser drilling, milling and cutting integrated production line according to claim 1, wherein the first length measuring and positioning mechanism is connected with a lifting cylinder.
7. The multi-head laser drilling, milling and cutting integrated production line according to claim 1, wherein the second length measuring and positioning mechanism is connected with a lifting cylinder.
8. The multi-head laser drilling, milling and cutting integrated production line according to any one of claims 1 to 7, wherein the drilling, milling and processing device comprises a processing base, two four-axis machine heads are installed on one side of the processing base, three-axis laser and electric spindle drilling, milling machine heads are installed on the other side of the processing base, five servo clamps are arranged at intervals along the longitudinal direction of the processing base, the five servo clamps are a first servo clamp, a second servo clamp, a third servo clamp, a fourth servo clamp and a fifth servo clamp in sequence, the first servo clamp is identical to the fifth servo clamp, and the third servo clamp is identical to the fourth servo clamp.
9. The integrated production line for multi-head laser drilling, milling and cutting according to claim 8, wherein a drilling, milling and feeding roller way is arranged at the feeding end of the drilling, milling and processing device, and a cutting and feeding roller way is arranged at the feeding end of the cutting and processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321520289.0U CN219484862U (en) | 2023-06-15 | 2023-06-15 | Multi-head laser drilling, milling and cutting integrated production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321520289.0U CN219484862U (en) | 2023-06-15 | 2023-06-15 | Multi-head laser drilling, milling and cutting integrated production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219484862U true CN219484862U (en) | 2023-08-08 |
Family
ID=87507757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321520289.0U Active CN219484862U (en) | 2023-06-15 | 2023-06-15 | Multi-head laser drilling, milling and cutting integrated production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219484862U (en) |
-
2023
- 2023-06-15 CN CN202321520289.0U patent/CN219484862U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208929241U (en) | The automatic lathe gang feed tool rack of mountable multiple cutters | |
| CN111112757A (en) | Double-channel gear combined machining numerical control machine tool | |
| CN113814733A (en) | Vertical turning and milling combined machining center | |
| CN108127479A (en) | Machining center tool setting gauge | |
| CN101898260B (en) | Miter cutting machine | |
| CN210060408U (en) | Vertical numerical control boring and honing integrated machine tool | |
| CN219484862U (en) | Multi-head laser drilling, milling and cutting integrated production line | |
| CN110695448B (en) | Plastic-aluminum section bar saw cuts equipment | |
| CN212793103U (en) | Multi-drill-bit gantry drilling machine | |
| CN210115468U (en) | Special cutting device of numerical control lathe bearing | |
| CN214977987U (en) | Gantry numerical control milling machine with positioning operation function | |
| CN104259555A (en) | High-precision proximate matter saw cutting machine | |
| CN213410477U (en) | Metal part machining and assembling equipment | |
| CN211758792U (en) | Upper-pressing down drilling type milling machine | |
| CN210549673U (en) | Automatic leveling device for long shaft clamping | |
| CN111152027A (en) | Steel bar drilling, tapping and cutting machine and operation process | |
| CN220196401U (en) | Horizontal bidirectional servo numerical control drilling machine | |
| CN111231142A (en) | Loop wire cutting machine | |
| CN210755398U (en) | General steel milling machine device | |
| CN214978488U (en) | Laser scribing machine | |
| CN211966741U (en) | Horizontal section bar processing machine tool | |
| CN218746279U (en) | Four-axis linkage turnover machining center for multi-head section | |
| CN219767525U (en) | Automatic conveying mechanism for workpieces | |
| CN211276658U (en) | Cutter for precision punching machine | |
| CN210046395U (en) | Tool setting system of automatic tool regrinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multi head laser drilling, milling, and cutting integrated production line Granted publication date: 20230808 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Leide CNC Machinery Co.,Ltd. Registration number: Y2024980003430 |