CN112757238A - Three-coordinate detection platform - Google Patents
Three-coordinate detection platform Download PDFInfo
- Publication number
- CN112757238A CN112757238A CN202011638192.0A CN202011638192A CN112757238A CN 112757238 A CN112757238 A CN 112757238A CN 202011638192 A CN202011638192 A CN 202011638192A CN 112757238 A CN112757238 A CN 112757238A
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000007689 inspection Methods 0.000 claims description 5
- 239000004579 marble Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/12—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with storage compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/047—Accessories, e.g. for positioning, for tool-setting, for measuring probes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a three-coordinate detection platform which comprises a reference platform, a plurality of equal-height blocks and a lifting guide wheel assembly, wherein the equal-height blocks are arranged on the reference platform at intervals, the lifting guide wheel assembly comprises guide wheels and a lifting mechanism, the guide wheels are also arranged at intervals along the interval arrangement path of the equal-height blocks, and the guide wheels are driven by the lifting mechanism to lift between the blocks higher than the equal-height blocks and the blocks lower than the equal-height blocks. The three-coordinate detection platform provided by the invention can be used for conveniently and stably placing the workpiece, is high in placing efficiency, effectively reduces the labor intensity, saves time and labor, can avoid the condition that the workpiece is impacted or rubbed, guarantees the integrity, guarantees the placing precision of the workpiece, and further improves the detection accuracy.
Description
Technical Field
The invention relates to the technical field of detection jigs, in particular to a three-coordinate detection platform.
Background
When the three-coordinate detection is performed on the workpiece, the workpiece is usually required to be placed on a detection reference platform, so that the workpiece can be ensured to have an accurate positioning reference. The existing detection reference platform is unreasonable in structure, the workpiece needs to be adapted through repeated adjustment, the workpiece needs to be manually carried to the detection reference platform, the labor intensity is high, the accuracy and the stability of workpiece placement are difficult to guarantee, and the accuracy of a three-coordinate detection result is influenced.
Disclosure of Invention
The invention aims to solve the technical problems and provide a technical task for improving the prior art, and provides a three-coordinate detection platform, which solves the problem that in the prior art, a workpiece is difficult to accurately and stably place on a reference platform, so that the three-coordinate detection accuracy is influenced.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a three-coordinate detection platform comprises a reference platform, equal-height blocks and a lifting guide wheel assembly, wherein a plurality of equal-height blocks are arranged on the reference platform at intervals, the lifting guide wheel assembly comprises guide wheels and a lifting mechanism, the guide wheels are also arranged at intervals along the interval arrangement path of the equal-height blocks, and the guide wheels are driven by the lifting mechanism to lift between the blocks higher than the equal-height blocks and the blocks lower than the equal-height blocks. The three-coordinate detection platform firstly adopts the reference platform to provide a high-precision reference foundation with stable structure, then utilizes the contour block to bear the workpiece, ensures the high precision of the placement of the workpiece, and in order to place the workpiece on the contour block, the three-coordinate detection platform utilizes the lifting guide wheel assembly to realize the placement of the workpiece, has higher placement efficiency and higher precision, the guide wheel of the lifting guide wheel assembly is firstly in a state higher than the contour block, then the workpiece is conveyed along the guide wheel by an external conveying device, the workpiece is in rolling contact with the guide wheel, the labor is saved, the convenience and the good stability are realized for conveying the workpiece onto the guide wheel, the integrity of the workpiece can be ensured, after the workpiece is completely placed on the lifting guide wheel assembly, the guide wheel descends to a position lower than the contour block under the driving of the lifting mechanism, and when the guide wheel is lower than the contour block, the workpiece is stably placed on the contour block, the labor intensity is effectively reduced, the placing accuracy of the workpiece is guaranteed, the condition that the workpiece and the equal-height blocks are collided or rubbed is avoided, and the integrity of the workpiece and the equal-height blocks is guaranteed, so that the long-acting high-precision reference is guaranteed, and the detection accuracy is improved.
Furthermore, the contour blocks are provided with idler wheels which are arranged on the side edges of the contour block arrangement direction, the side directions of the contour block arrangement direction are positioned by the idler wheels, the workpiece can be stably placed on the contour blocks after the guide wheels descend, the workpiece is prevented from being deviated in the side upper positions of the contour block arrangement direction, namely the condition that the workpiece cannot be stably placed on the contour blocks and falls off due to deviation of the gravity center position of the workpiece is avoided, the integrity of the workpiece is guaranteed, the reliability of detection operation is guaranteed, the workpiece is in rolling contact with the idler wheels, abrasion can be effectively avoided, the service life is prolonged, and the integrity of the workpiece is also guaranteed.
Furthermore, the idler wheel is connected to the equal-height blocks through a movable mechanism, the movable mechanism comprises one of a lifting structure, a detachable structure and a hinge structure, the idler wheel is moved away or removed after the workpiece is stably and accurately placed in place, the size of the part of the workpiece, which is shielded by the idler wheel, is avoided, and the workpiece can be detected in a three-coordinate mode in an all-round mode.
Furthermore, the guide wheels and the equal-height blocks are arranged in a staggered mode, so that the workpiece can be stably transited from the guide wheels to the equal-height blocks, and the placing stability of the workpiece is guaranteed.
Further, still be provided with locating component on the benchmark platform, locating component be located the tail end of leading wheel array orientation, spacing with locating component on the leading wheel array orientation, the work piece advances along the leading wheel array orientation and then realizes the location when leaning on with locating component, the guarantee work piece can both be accurate place at every turn and target in place, utilize locating component to provide high repetitiveness's location benchmark.
Furthermore, the positioning assembly adopts a lifting structure, and after the positioning assembly is used for accurately limiting the workpiece, the positioning assembly is lowered to avoid the size of the part for shielding the workpiece.
Further, lift leading wheel subassembly still includes the supporting seat, and whole leading wheels are connected on the supporting seat, the supporting seat on be connected with the slider, the slider slides along the guided way, elevating system drive supporting seat lift activity in order to drive whole leading wheels and go up and down in step, the stationarity of guarantee leading wheel lift process ensures that the work piece can steadily go up and down along with the leading wheel, avoids appearing the situation that the work piece falls, improves the security.
Furthermore, the lifting mechanism adopts a turbine screw lifting mechanism, the structure is simple and compact, the occupied space is small, the lifting can be stably realized, the turbine screw lifting mechanism has the self-locking characteristic, the height stability can be guaranteed, the workpiece falling caused by the failure condition is avoided, and the use safety is good.
Furthermore, the reference platform is arranged on the movable frame, so that the movable frame is good in mobility and more flexible to use.
Furthermore, the reference platform is a marble platform, has good structural stability, and can provide a high-precision reference, thereby ensuring the detection accuracy.
Compared with the prior art, the invention has the advantages that:
the three-coordinate detection platform provided by the invention can be used for conveniently and stably placing the workpiece, is high in placing efficiency, effectively reduces the labor intensity, saves time and labor, can avoid the condition that the workpiece is impacted or rubbed, guarantees the integrity, guarantees the placing precision of the workpiece, and further improves the detection accuracy.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a three-coordinate inspection platform;
FIG. 2 is a schematic view of the connection between the guide wheel and the support seat;
FIG. 3 is a schematic structural view of a turbine screw lifting mechanism;
fig. 4 is a schematic structural diagram of the contour block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The three-coordinate detection platform disclosed by the embodiment of the invention can conveniently and stably place the workpiece on the detection platform, reduce the labor intensity, ensure the accurate reference and improve the detection accuracy.
As shown in fig. 1 to 4, a three-coordinate detecting platform mainly comprises a reference platform 1, equal-height blocks 2 and a lifting guide wheel assembly, wherein the reference platform 1 is a marble platform, the marble platform has a stable structure and high precision, the marble platform is used for providing a high-precision and high-stability reference, the equal-height blocks 2 are linearly arranged on the upper surface of the reference platform 1 at intervals, the equal-height blocks 2 are used for directly bearing a workpiece, the equal-height blocks 2 provide a high-precision placing reference, so that the precision of three-coordinate detection on the workpiece is guaranteed, in order to guarantee the placing stability of the workpiece, at least 3 equal-height blocks 2 can be arranged to support the workpiece at multiple points, the distance between two adjacent equal-height blocks 2 cannot be too far, and the workpiece is prevented from generating micro elastic deformation due to gravity;
the lifting guide wheel assembly comprises a guide wheel 3 and a lifting mechanism, a plurality of guide wheels 3 are arranged at intervals along the linear interval arrangement path of the equal-height blocks 2, and the guide wheels 3 are driven by the lifting mechanism to synchronously lift and move between the blocks 2 higher than the equal-height blocks 2 and the blocks 2 lower than the equal-height blocks.
When the three-coordinate detection platform is used for preventing a workpiece, the guide wheel of the lifting guide wheel assembly is firstly in a state of being higher than the equal-height block, the guide wheel 3 is an axial roller along the transverse direction, the guide wheel 3 is used for directly bearing the workpiece, so that the workpiece is conveyed along the guide wheel 3 in a sliding manner, when the whole workpiece completely enters the area where the reference platform 1 is located and is borne by the guide wheel 3, the guide wheel 3 descends to a position lower than the equal-height block, and when the guide wheel is lower than the equal-height block, the workpiece is transited to the equal-height block from the guide wheel, and finally, the workpiece is placed conveniently and stably.
In this embodiment, the contour block 2 is provided with a cam 21 located at a side of the contour block 2 in the arrangement direction, and the cam 21 is connected to the contour block 2 by a removable mechanism, the removable mechanism includes one of a lifting structure, a detachable structure, and a hinge structure, in this embodiment, a hinge structure is adopted, in the process of placing a workpiece, the cam 21 is located at a top surface of the contour block 2, the rotation axis of the cam 21 is along the vertical direction, the workpiece is conveyed along the guide wheel 3 in a sliding manner and simultaneously abuts against the cam 21, so that the workpiece is also positioned in the lateral direction of the contour block arrangement direction, the workpiece can be stably placed on the contour block after the guide wheel is lowered, the workpiece is prevented from being displaced in the lateral direction of the contour block arrangement direction, the workpiece is prevented from falling, and the use safety is improved, the integrity of the workpiece is guaranteed, after the workpiece is stably placed on the equal-height block 2, the idler wheel 21 is rotated to enable the idler wheel 21 to be moved away from the top surface of the equal-height block 2, the size of the position, shielded by the idler wheel, of the workpiece is avoided, and the workpiece can be detected in a three-dimensional mode in an all-dimensional mode.
In this embodiment, the guide wheels 3 and the equal-height blocks 2 are arranged in a staggered manner, that is, the guide wheels 3, the equal-height blocks 2 and the guide wheels 3 are sequentially arranged along a straight line direction, so that the guide wheels 3 can stably bear the workpiece, the equal-height blocks 2 can stably bear the workpiece, the stability of the workpiece transitioning from the guide wheels 3 to the equal-height blocks 2 is ensured, and the workpiece is prevented from falling.
In addition, the datum platform 1 is further provided with a positioning component 4, the positioning component 4 is located at the tail end of the arrangement direction of the guide wheels 3, the positioning component 4 is used for limiting the position of the workpiece in the arrangement direction of the guide wheels, when the workpiece is conveyed along the arrangement direction of the guide wheels and abuts against the positioning component 4, the workpiece is placed in place, the guide wheels 3 can be further lowered, the workpiece is transited from the guide wheels 3 to the equal-height blocks 2, in the embodiment, the positioning component 4 adopts a lifting structure, when the workpiece is conveyed along the arrangement direction of the guide wheels, the positioning component 4 is located at a high position, the workpiece is positioned, the positioning component 4 can be switched to a low position after the workpiece is placed in place, and the size of the part of the workpiece, which is shielded by the positioning component 4, is avoided.
In this implementation, the lifting guide wheel assembly further comprises a support base 5, all guide wheels 3 are connected to the support base 5 through a support frame, a slider 6 is connected to the support base 5, the slider 6 slides along a vertical guide rail 7, the lifting mechanism drives the support base 5 to lift and move so as to drive all the guide wheels 3 to lift synchronously, so that the stability of the lifting process of the guide wheels is guaranteed, the guide wheels 3 lift and fall through holes formed in the reference platform 1, and the support base 5 is provided with an anti-collision pad 51, so that the support base 5 is prevented from colliding with the reference platform 1 in the lifting process, the anti-collision pad 51 is used for providing buffering, the integrity is guaranteed, and the service life is prolonged; and moreover, the lifting mechanism adopts a turbine screw lifting mechanism, the structure is simple and compact, the occupied space is small, the turbine screw lifting mechanism 8 is specifically composed of a turbine screw 81, a coupler 82 and a driving hand wheel 83, the lifting mode is manually driven, the cost is low, and the operation is easy.
In order to improve nimble mobility, benchmark platform 1 set up on moving vehicle frame 9, moving vehicle frame 9 specifically include the frame and the wheel subassembly that sets up in the frame bottom, benchmark platform 1 connect on the frame, the frame adopt the frame construction that steel made, intensity is high, stability is good.
The use process of the three-coordinate detection platform comprises the following steps:
firstly, moving the three-coordinate detection platform in place, and locking the moving frame 9;
operating the lifting guide wheel assembly to enable the guide wheel 3 to be switched to a high position higher than the equal-height block 2;
operating the positioning component 4 to switch to the high position;
conveying the workpiece on the trolley along the guide wheel 3 by using the AGV trolley until the workpiece abuts against the positioning component 4;
operating the lifting guide wheel assembly to enable the guide wheel 3 to be switched to a lower position lower than the equal-height block 2, and enabling the workpiece to be transited from the guide wheel 3 to the equal-height block 2;
the idler wheel 21 on the equal-height block 2 is moved away;
starting to carry out three-coordinate detection;
operating the lifting guide wheel assembly to enable the guide wheel 3 to be switched to a high position higher than the equal-height block 2;
the workpiece is pushed reversely so that the workpiece is conveyed to the AGV from the guide wheel 3;
and releasing the locking of the movable frame 9, and pushing the three-coordinate detection platform back to the temporary storage position to finish the detection work.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. The three-coordinate detection platform is characterized by comprising a reference platform (1), a plurality of equal-height blocks (2) and a lifting guide wheel assembly, wherein the equal-height blocks (2) are arranged on the reference platform (1) at intervals, the lifting guide wheel assembly comprises guide wheels (3) and a lifting mechanism, the guide wheels (3) are also arranged at intervals along the interval arrangement path of the equal-height blocks (2), and the guide wheels (3) are driven by the lifting mechanism to move up and down between the blocks (2) higher than the equal-height blocks (2) and the blocks (2) lower than the equal-height blocks (2).
2. The three-coordinate detecting platform according to claim 1, characterized in that the contour blocks (2) are provided with idler wheels (21) which are arranged at the side edges of the arrangement direction of the contour blocks (2).
3. A three coordinate inspection platform according to claim 2 wherein the idler wheels (21) are attached to the contour block (2) using a removable mechanism comprising one of a lift mechanism, a detachable mechanism, and a hinged mechanism.
4. A three coordinate testing platform according to claim 1, wherein the guide wheels (3) and the contour blocks (2) are staggered.
5. The three-coordinate detecting platform according to claim 1, characterized in that the reference platform (1) is further provided with a positioning component (4), and the positioning component (4) is located at the tail end of the arrangement direction of the guide wheels (3).
6. A three-coordinate inspection platform according to claim 5, wherein the positioning assembly (4) is of a lifting structure.
7. The three-coordinate detecting platform as claimed in claim 1, wherein the lifting guide wheel assembly further comprises a support base (5), all the guide wheels (3) are connected to the support base (5), a slide block (6) is connected to the support base (5), the slide block (6) slides along a guide rail (7), and the lifting mechanism drives the support base (5) to move up and down to drive all the guide wheels (3) to lift synchronously.
8. A three-dimensional test platform according to any one of claims 1 to 7 wherein the lifting mechanism is a worm gear screw lifting mechanism.
9. A three-coordinate inspection platform according to any one of claims 1 to 7, wherein the reference platform (1) is arranged on a travelling carriage (9).
10. A three-coordinate inspection platform according to any of claims 1 to 7, wherein the reference platform (1) is a marble platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011638192.0A CN112757238A (en) | 2020-12-31 | 2020-12-31 | Three-coordinate detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011638192.0A CN112757238A (en) | 2020-12-31 | 2020-12-31 | Three-coordinate detection platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112757238A true CN112757238A (en) | 2021-05-07 |
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ID=75698249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011638192.0A Pending CN112757238A (en) | 2020-12-31 | 2020-12-31 | Three-coordinate detection platform |
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| Country | Link |
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| CN (1) | CN112757238A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0275492U (en) * | 1988-11-26 | 1990-06-08 | ||
| JP2008095470A (en) * | 2006-10-16 | 2008-04-24 | Nittetsu Corrosion Prevention Co Ltd | Extensible post and workbench using the same |
| CN105547223A (en) * | 2015-12-11 | 2016-05-04 | 沪东重机有限公司 | Positioning tool for connection rod three-coordinate measurement |
| CN205880675U (en) * | 2016-06-15 | 2017-01-11 | 苏州市新鸿基精密部品有限公司 | Three -coordinate measuring machine part measuring uses quick aligning device |
| CN208995055U (en) * | 2018-09-07 | 2019-06-18 | 大族激光科技产业集团股份有限公司 | Go up and down feeding device |
| CN209578637U (en) * | 2019-01-28 | 2019-11-05 | 斯图加特航空自动化（青岛）有限公司 | Boxboard class welding structural element special welding locating platform |
| US20200262098A1 (en) * | 2019-02-14 | 2020-08-20 | Bor-Yann Chuang | Hand-operated planer provided with both a fixed workbench and a lifting mechanism with a locking function |
-
2020
- 2020-12-31 CN CN202011638192.0A patent/CN112757238A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0275492U (en) * | 1988-11-26 | 1990-06-08 | ||
| JP2008095470A (en) * | 2006-10-16 | 2008-04-24 | Nittetsu Corrosion Prevention Co Ltd | Extensible post and workbench using the same |
| CN105547223A (en) * | 2015-12-11 | 2016-05-04 | 沪东重机有限公司 | Positioning tool for connection rod three-coordinate measurement |
| CN205880675U (en) * | 2016-06-15 | 2017-01-11 | 苏州市新鸿基精密部品有限公司 | Three -coordinate measuring machine part measuring uses quick aligning device |
| CN208995055U (en) * | 2018-09-07 | 2019-06-18 | 大族激光科技产业集团股份有限公司 | Go up and down feeding device |
| CN209578637U (en) * | 2019-01-28 | 2019-11-05 | 斯图加特航空自动化（青岛）有限公司 | Boxboard class welding structural element special welding locating platform |
| US20200262098A1 (en) * | 2019-02-14 | 2020-08-20 | Bor-Yann Chuang | Hand-operated planer provided with both a fixed workbench and a lifting mechanism with a locking function |
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Application publication date: 20210507 |