CN219216570U - Centering alignment adjusting device for mattress production - Google Patents
Centering alignment adjusting device for mattress production Download PDFInfo
- Publication number
- CN219216570U CN219216570U CN202320521236.4U CN202320521236U CN219216570U CN 219216570 U CN219216570 U CN 219216570U CN 202320521236 U CN202320521236 U CN 202320521236U CN 219216570 U CN219216570 U CN 219216570U
- Authority
- CN
- China
- Prior art keywords
- driving
- synchronous belt
- flat plates
- mattress production
- centering
- 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
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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model provides a centering alignment adjusting device for mattress production, and belongs to the technical field of machinery. It has solved the poor problem of current device efficiency. The centering alignment adjusting device for mattress production comprises a frame and a roller line arranged on the frame, wherein two first flat plates and two second flat plates are vertically arranged above the roller line, the two first flat plates are arranged in parallel along the conveying direction of the roller line, and the two second flat plates are arranged in parallel and the distribution direction of the two flat plates is perpendicular to the conveying direction of the roller line; the two first flat plates and the two second flat plates are distributed in a rectangular shape; the two ends of the first flat plate are respectively provided with a supporting piece, and each supporting piece is provided with a lifting mechanism for driving the corresponding first flat plate to lift; the rack is provided with a first driving mechanism for driving the supporting piece to move so as to enable the two first plates to approach or separate, and a second driving mechanism for driving the two second plates to approach or separate. This mattress production is with centering alignment adjusting device efficient.
Description
Technical Field
The utility model belongs to the technical field of machinery, and relates to a centering alignment device, in particular to a centering alignment device for mattress production.
Background
Mattresses are an item between the human body and a bed that is used to ensure that a consumer gets a healthy and comfortable sleep.
The existing mattress is generally of a multi-layer composite structure and comprises a mattress core, a sponge layer attached to the mattress core, a surface layer attached to the sponge layer and the like. Wherein, the sponge layer adopts the bonding mode to compound on the bed core generally, and when processing, the sponge layer snatchs through the manipulator and send to the top surface and spouts on the bed core that has glue, makes its all around and the bed core keep alignment state through manual adjustment sponge layer position, and this process is not only laborious, and is inefficiency, and the workman is gone to judge sponge layer and bed core relative position through the naked eye moreover, influences the alignment precision to influence mattress processingquality.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides a centering alignment adjusting device for producing mattresses, which is used for realizing automatic processing.
The aim of the utility model can be achieved by the following technical scheme: the centering alignment adjusting device for mattress production comprises a frame and a roller line arranged on the frame, and is characterized in that two first flat plates and two second flat plates are vertically arranged above the roller line, the two first flat plates are arranged in parallel along the conveying direction of the roller line, and the two second flat plates are arranged in parallel and the distribution direction of the two flat plates is perpendicular to the conveying direction of the roller line; the two first flat plates and the two second flat plates are distributed in a rectangular shape; the two ends of the first flat plate are respectively provided with a supporting piece, and each supporting piece is provided with a lifting mechanism for driving the corresponding first flat plate to lift; the rack is provided with a first driving mechanism for driving the supporting piece to move so as to enable the two first plates to approach or separate, and a second driving mechanism for driving the two second plates to approach or separate.
The use process is as follows: the lifting mechanism drives the first flat plate to move upwards to vacate a space for the bed core to pass through; the bed core is horizontally input into the roller line by other conveying lines and stays, the sponge layer is grabbed onto the bed core, then the lifting mechanism drives the first flat plate to move downwards for resetting, under the action of the first driving mechanism and the second driving mechanism, the bed core and the sponge layer are pushed to be close to the middle and aligned in four sides, the aligned bed core and sponge layer are output by the roller line, the whole process can completely realize automatic operation, the efficiency is high, the alignment precision of the bed core and the sponge layer can be effectively improved, and the mattress forming quality is improved.
In the centering alignment device for mattress production, the first driving mechanism comprises two synchronous belt sliding tables and a driving source, wherein the two synchronous belt sliding tables are arranged in parallel, and the driving source is used for driving the two synchronous belt sliding tables to synchronously operate; each synchronous belt sliding table comprises a synchronous belt one and two sliding seats horizontally arranged above the synchronous belt one, the two sliding seats are fixedly connected with the upper side and the lower side of the synchronous belt one respectively so that the two sliding seats are close to or far away from each other, and the sliding seats are the supporting pieces. By adopting the design, the device has the advantages of stable work and convenient installation.
In the centering alignment adjusting device for mattress production, the synchronous belt sliding table further comprises a driving wheel for winding the synchronous belt, the driving source comprises a motor I and a shaft body horizontally arranged between the two synchronous belt sliding tables, two ends of the shaft body are respectively fixedly connected with the two driving wheels, and the motor I is fixed on one of the synchronous belt sliding tables and connected with one end of the shaft body. The two synchronous sliding tables are driven to operate by the same motor, so that the synchronous sliding table is simple in structure, and the synchronous operation of the two synchronous sliding tables is easier to control, so that the design and the processing are facilitated.
In the centering alignment device for mattress production, the two ends of the first flat plate are both fixed with the supporting plates, the lifting mechanism comprises a bracket fixed on the sliding seat and a driving piece, the supporting plates are arranged on the corresponding brackets in a vertical sliding manner, and the driving piece is used for driving the corresponding supporting plates to slide up and down.
In the centering alignment device for mattress production, the driving piece is of a cylinder or an oil cylinder, the supporting plate and the driving piece are vertically arranged, the supporting plate is positioned between the driving piece and the support, the lower end of the supporting plate is fixedly connected with the first flat plate, and the piston rod of the driving piece is fixedly connected with the upper end of the supporting plate. By adopting the design, the distance between parts of the lifting mechanism can be effectively reduced, so that the whole mechanism structure is compact, and the space occupation is reduced.
In the centering alignment adjusting device for mattress production, the roller line comprises a row of rollers, and the driving mechanism II is arranged below the rollers so as to fully utilize the lower space of the roller line and reduce the height of the device.
In the centering alignment adjusting device for mattress production, the driving mechanism II comprises a power component and two connecting units arranged along the conveying direction of the roller line, the connecting units are composed of two connecting pieces arranged in parallel along the axial direction of the roller, the lower ends of the connecting pieces are in sliding connection with the frame so that the connecting pieces can axially slide along the roller, the upper ends of the connecting pieces penetrate through gaps formed between two adjacent rollers and are fixedly connected with corresponding second plates, and the power component is used for driving the two connecting pieces in the same connecting unit to approach or separate.
In the centering alignment adjusting device for mattress production, two connecting sheets which are arranged in parallel along the conveying direction of the roller line are fixedly connected through connecting bars which are horizontally arranged, and the power component comprises a power source and the connecting bars, wherein the power source is used for driving the two connecting bars to approach or depart.
In the centering alignment adjusting device for mattress production, the power source comprises a synchronous belt mechanism and a motor II for driving the synchronous belt mechanism to operate, the synchronous belt mechanism comprises a synchronous belt II, and the middle parts of the two connecting strips are fixedly connected with the upper side and the lower side of the synchronous belt II respectively.
As another scheme, in the centering alignment adjusting device for mattress production, the power component comprises a motor III, a gear and two racks horizontally sliding on the frame, the lengths of the racks extend along the axial direction of the roller, the two racks are respectively meshed with two sides of the gear, two ends, away from each other, of the two gears are respectively fixedly connected with the two connecting sheets, and the motor III is used for driving the gear to rotate.
Compared with the prior art, the centering alignment adjusting device for mattress production has the following advantages:
1. when in use, the lifting mechanism drives the first flat plate to move upwards to vacate the space for the bed core to pass through; the bed core is horizontally input into the roller line by other conveying lines and stays, the sponge layer is grabbed onto the bed core, then the lifting mechanism drives the first flat plate to move downwards for resetting, under the action of the first driving mechanism and the second driving mechanism, the bed core and the sponge layer are pushed to be close to the middle and aligned in four sides, the aligned bed core and sponge layer are output by the roller line, the whole process can completely realize automatic operation, the efficiency is high, the alignment precision of the bed core and the sponge layer can be effectively improved, and the mattress forming quality is improved.
2. When the mattress is in actual use, a large gap is formed between the first flat plate and the roller line for horizontal input or output of the mattress core by lifting the first flat plate, so that the front side or the rear side of the roller line can be directly connected with the mattress core conveying belt respectively to automatically input or output the mattress core, and the automation degree of mattress production is enhanced.
Drawings
Fig. 1 is a schematic perspective view of a centering alignment device for mattress production.
Fig. 2 is a schematic diagram of a connection structure of the timing belt slipway and the elevating mechanism.
Fig. 3 is a schematic structural view of a second driving mechanism.
Fig. 4 is a schematic diagram of the connection structure of the connecting piece, the connecting strip and the synchronous belt mechanism.
In the figure, 1, a rack; 2. a roller line; 2a, a roller; 3. a first plate; 4. a second plate; 5. a synchronous belt sliding table; 5a, synchronous belt I; 5b, a sliding seat; 6. a first motor; 7. a shaft body; 8. a support plate; 9. a bracket; 10. a driving member; 11. a connecting sheet; 12. a connecting strip; 13. a second motor; 14. a synchronous belt mechanism; 14a, synchronous belt two.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1, the centering alignment device for mattress production comprises a frame 1 and a roller line 2 horizontally arranged on the frame 1. The roller line 2 is an existing product, and comprises a row of rollers 2a uniformly distributed along the conveying direction of the roller line 2.
In particular the number of the elements,
a first flat plate 3 and a second flat plate 4 are vertically arranged above the roller line 2, wherein the length extension direction of the first flat plate 3 is perpendicular to the conveying direction of the roller line 2, and the first flat plate 3 is formed by two flat plates in parallel along the conveying direction of the roller line 2; the length of the second plates 4 extends along the conveying direction of the roller line 2, two second plates 4 are arranged in parallel, the distribution direction of the two second plates 4 is perpendicular to the conveying direction of the roller line 2, and at the moment, the two first plates 3 and the two second plates 4 are distributed in a rectangular shape. The two ends of the first flat plate 3 are respectively provided with a supporting piece, and each supporting piece is provided with a lifting mechanism for driving the corresponding first flat plate 3 to lift; the frame 1 is provided with a first driving mechanism for driving the supporting piece to move so as to enable the two first flat plates 3 to approach or separate, and a second driving mechanism for driving the two second flat plates 4 to approach or separate.
The use process is as follows: the lifting mechanism drives the first flat plate 3 to move upwards to make room for the bed core to pass through; the bed core is horizontally input into the roller line 2 by other conveying lines and stays, the sponge layer is grabbed onto the bed core, then the lifting mechanism drives the first flat plate 3 to move downwards for resetting, under the action of the first driving mechanism and the second driving mechanism, the bed core and the sponge layer are pushed to be close to the middle and aligned in four sides, the aligned bed core and sponge layer are output by the roller line 2, the whole process can completely realize automatic operation, the efficiency is high, the alignment precision of the bed core and the sponge layer can be effectively improved, and the mattress forming quality is improved.
In the present embodiment of the present utility model, in the present embodiment,
as shown in fig. 1 and 2, the first driving mechanism includes two synchronous belt sliding tables 5 and a driving source for driving the synchronous belt sliding tables 5 to run synchronously, the synchronous belt sliding tables 5 are arranged in parallel along the axial direction of the roller 2a, and the roller line 2 is preferably located between the two synchronous belt sliding tables 5. The synchronous belt sliding table 5 is of an existing structure and comprises a synchronous belt one 5a, a driving wheel for winding the synchronous belt and two sliding seats 5b horizontally arranged above the synchronous belt one 5a, wherein the two sliding seats 5b on the same synchronous belt sliding table 5 are fixedly connected with the upper side and the lower side of the synchronous belt one 5a respectively so that the two sliding seats 5b are close to or far away from each other, and the sliding seats 5b are the supporting pieces.
The driving source comprises a motor I6 and a shaft body 7 horizontally arranged between the two synchronous belt sliding tables 5, two ends of the shaft body 7 are respectively fixedly connected with the two driving wheels, and the motor I6 is fixed on one of the synchronous belt sliding tables and connected with one end of the shaft body 7. The two synchronous sliding tables are driven by the same motor I6 to operate, so that the synchronous sliding table is simple in structure, and the synchronous operation of the two synchronous sliding tables is easier to control, so that the design and the processing are facilitated. Naturally, the driving source may also include two motors, and the two motors respectively drive the two synchronous belt sliding tables 5 to operate.
The lifting mechanism is specifically as follows: the support plates 8 are fixed at the two ends of the first flat plate 3, the lifting mechanism comprises a support 9 fixed on the sliding seat 5b and a driving piece 10, the support plates 8 are arranged on the corresponding support 9 in a vertical sliding mode, and the driving piece 10 is used for driving the corresponding support plates 8 to slide up and down. In actual products, the support plate 8 is in sliding connection with the bracket 9 through a guide rail sliding block structure. Further, the driving member 10 is a cylinder or an oil cylinder, the supporting plate 8 and the driving member 10 are vertically arranged, the supporting plate 8 is located between the driving member 10 and the bracket 9, the lower end of the supporting plate 8 is fixedly connected with the first flat plate 3, and a piston rod of the driving member 10 is fixedly connected with the upper end of the supporting plate 8. By adopting the design, the distance between parts of the lifting mechanism can be effectively reduced, so that the whole mechanism structure is compact, and the space occupation is reduced.
As shown in fig. 3 and 4, the second driving mechanism is disposed below the roller 2a, so as to fully utilize the space below the line 2 of the roller 2a and reduce the height of the device. Specifically, the second driving mechanism comprises a power component and two connecting units arranged along the conveying direction of the roller lines 2, the connecting units are composed of two connecting pieces 11 which are arranged in parallel along the axial direction of the roller lines 2a, the lower ends of the connecting pieces 11 are in sliding connection with the frame 1 so that the connecting pieces 11 can slide along the axial direction of the roller lines 2a, the upper ends of the connecting pieces 11 penetrate through gaps formed between the two adjacent roller lines 2a and are fixedly connected with the corresponding second plates 4, and the power component is used for driving the two connecting pieces 11 in the same connecting unit to approach or separate.
The power component has the following structure: the two connecting pieces 11 which are arranged in parallel along the conveying direction of the roller line 2 are fixedly connected through connecting strips 12 which are horizontally arranged, and the power component comprises a power source and the connecting strips 12, wherein the power source is used for driving the two connecting strips 12 to approach or separate. The power source comprises a synchronous belt mechanism 14 and a second motor 13 for driving the synchronous belt mechanism 14 to operate, the synchronous belt mechanism 14 is an existing product and comprises a second synchronous belt 14a, and the middle parts of the two connecting strips 12 are fixedly connected with the upper side and the lower side of the second synchronous belt 14a respectively.
In actual products, the connecting piece 11 is slidably connected with the frame 1 through the connecting strip 12, and both ends and the middle part of the connecting strip 12 are slidably connected with the frame 1 through a guide rail sliding block mode, so as to ensure that the second plate 4 stably slides. The two synchronous belt mechanisms 14 are arranged in parallel along the length direction of the connecting strip 12, and the two synchronous belt mechanisms 14 are driven by a motor two 13 to operate.
Example two
The structure and principle of the second embodiment are basically the same as those of the first embodiment, except that: the power component comprises a motor III, a gear and two racks horizontally arranged on the frame 1 in a sliding mode, the lengths of the racks extend along the axial direction of the roller 2a, the two racks are respectively meshed with two sides of the gear, two ends, away from each other, of the two gears are respectively fixedly connected with two connecting pieces 11, and the motor III is used for driving the gear to rotate.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The centering alignment adjusting device for mattress production comprises a frame (1) and a roller line (2) arranged on the frame (1), and is characterized in that two first flat plates (3) and two second flat plates (4) are vertically arranged above the roller line (2), the two first flat plates (3) are arranged in parallel along the conveying direction of the roller line (2), the two second flat plates (4) are arranged in parallel, and the distribution direction of the two flat plates is perpendicular to the conveying direction of the roller line (2); the two first flat plates (3) and the two second flat plates (4) are distributed in a rectangular shape; the two ends of the first flat plate (3) are provided with supporting pieces, and each supporting piece is provided with a lifting mechanism for driving the corresponding first flat plate (3) to lift; the frame (1) is provided with a first driving mechanism for driving the supporting piece to move so as to enable the two first flat plates (3) to approach or separate from each other, and a second driving mechanism for driving the two second flat plates (4) to approach or separate from each other.
2. The centering and aligning device for mattress production according to claim 1, wherein the first driving mechanism comprises two synchronous belt sliding tables (5) arranged in parallel and a driving source for driving the two synchronous belt sliding tables (5) to synchronously operate; each synchronous belt sliding table (5) comprises a synchronous belt one (5 a) and two sliding seats (5 b) horizontally arranged above the synchronous belt one (5 a), the two sliding seats (5 b) are fixedly connected with the upper side and the lower side of the synchronous belt one (5 a) respectively so that the two sliding seats (5 b) are close to or far away from each other, and the sliding seats (5 b) are the supporting pieces.
3. The centering alignment device for mattress production according to claim 2, wherein the synchronous belt sliding table (5) further comprises a driving wheel for winding the synchronous belt one (5 a), the driving source comprises a motor one (6) and a shaft body (7) horizontally arranged between the two synchronous belt sliding tables (5), two ends of the shaft body (7) are respectively fixedly connected with the two driving wheels, and the motor one (6) is fixed on one of the same cloth belt sliding tables and connected with one end of the shaft body (7).
4. A centering and aligning device for mattress production according to claim 2 or 3, characterized in that the first flat plate (3) is fixed with support plates (8) at both ends, the lifting mechanism comprises a bracket (9) fixed on the slide (5 b) and a driving piece (10), the support plates (8) are arranged on the corresponding brackets (9) in a vertically sliding manner, and the driving piece (10) is used for driving the corresponding support plates (8) to slide up and down.
5. The centering alignment device for mattress production according to claim 4, wherein the driving piece (10) is of a cylinder or an oil cylinder type, the supporting plate (8) and the driving piece (10) are vertically arranged, the supporting plate (8) is positioned between the driving piece (10) and the bracket (9), the lower end of the supporting plate (8) is fixedly connected with the first flat plate (3), and a piston rod of the driving piece (10) is fixedly connected with the upper end of the supporting plate (8).
6. A centering adjustment apparatus for mattress production according to claim 1, characterized in that the roller line (2) comprises a row of rollers (2 a), and that said second drive mechanism is arranged below the rollers (2 a).
7. The centering and aligning device for mattress production according to claim 6, characterized in that the second driving mechanism comprises a power component and two connecting units arranged along the conveying direction of the roller lines (2), the connecting units are composed of two connecting pieces (11) which are axially arranged in parallel along the roller (2 a), the lower ends of the connecting pieces (11) are slidably connected with the frame (1) so that the connecting pieces (11) can axially slide along the roller (2 a), the upper ends of the connecting pieces (11) penetrate through a gap formed between two adjacent rollers (2 a) and are fixedly connected with the corresponding second flat plates (4), and the power component is used for driving the two connecting pieces (11) in the same connecting unit to be close to or far away from each other.
8. The centering and aligning device for mattress production according to claim 7, characterized in that two connecting pieces (11) arranged side by side along the conveying direction of the roller line (2) are fixedly connected through connecting bars (12) arranged horizontally, and the power component comprises a power source and the connecting bars (12), wherein the power source is used for driving the two connecting bars (12) to approach or separate.
9. The centering and aligning device for mattress production according to claim 8, wherein the power source comprises a synchronous belt mechanism (14) and a motor II (13) for driving the synchronous belt mechanism (14) to operate, the synchronous belt mechanism (14) comprises a synchronous belt II (14 a), and the middle parts of the two connecting strips (12) are respectively fixedly connected with the upper side and the lower side of the synchronous belt II (14 a).
10. The centering alignment device for mattress production according to claim 8, wherein the power component comprises a motor III, a gear and two racks horizontally arranged on the frame (1) in a sliding manner, the lengths of the racks extend along the axial direction of the roller (2 a), the two racks are respectively meshed with two sides of the gear, two ends, away from each other, of the two gears are respectively fixedly connected with two connecting sheets (11), and the motor III is used for driving the gears to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320521236.4U CN219216570U (en) | 2023-03-13 | 2023-03-13 | Centering alignment adjusting device for mattress production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320521236.4U CN219216570U (en) | 2023-03-13 | 2023-03-13 | Centering alignment adjusting device for mattress production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219216570U true CN219216570U (en) | 2023-06-20 |
Family
ID=86757689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320521236.4U Active CN219216570U (en) | 2023-03-13 | 2023-03-13 | Centering alignment adjusting device for mattress production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219216570U (en) |
-
2023
- 2023-03-13 CN CN202320521236.4U patent/CN219216570U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204917198U (en) | Asynchronous material loading work or material rest in duplex position | |
| CN107572179B (en) | Large-capacity framing machine | |
| CN219216570U (en) | Centering alignment adjusting device for mattress production | |
| CN209143054U (en) | A kind of apparatus for automatically lifting applied to automatic packaging translation conveyors | |
| CN113400414B (en) | CCD positioning full-automatic sheet machine | |
| CN107915057B (en) | Efficient sign indicating number material manipulator | |
| CN206435609U (en) | A kind of GIGAbend Folding System | |
| CN210102916U (en) | Glass substrate carrying device | |
| CN215557756U (en) | Quantitative stacking device for wet tissue production line | |
| CN110936445A (en) | Continuous operation's multilayer door plant hot pressing gluing machine | |
| CN213498229U (en) | Portal frame of four sides edging machine | |
| CN216862895U (en) | Automatic mechanism that snatchs of filter core finished product | |
| CN210430396U (en) | Automatic wire arranging machine | |
| CN208004572U (en) | Power distribution cabinet sheet metal component decompressor | |
| CN217833227U (en) | Synchronous lifting compensation system for processing thickness | |
| CN106736342A (en) | The rotating shaft of electronically controlled motor and spiral fan blades wheel automatic assembling device | |
| CN217731935U (en) | Automatic egg feeding device | |
| CN207255335U (en) | A kind of automatic charging plate shearing machine | |
| CN221066387U (en) | Automatic cutting device for mattress core board | |
| CN110775702A (en) | Conveying equipment of folding machine | |
| CN218968207U (en) | Mattress bed net snatchs conveyor | |
| CN105731053B (en) | A kind of numerical control on panel production line is gathered materials splicing system | |
| CN219620359U (en) | Automatic plate overlapping quick-exchanging equipment | |
| CN219854824U (en) | Paper positioning device | |
| CN112605763B (en) | Lifting type special-shaped numerical control multi-head automatic polishing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |