CN113580722A - Composite sound insulation board is compression fittings for production and processing - Google Patents
Composite sound insulation board is compression fittings for production and processing Download PDFInfo
- Publication number
- CN113580722A CN113580722A CN202110869648.2A CN202110869648A CN113580722A CN 113580722 A CN113580722 A CN 113580722A CN 202110869648 A CN202110869648 A CN 202110869648A CN 113580722 A CN113580722 A CN 113580722A
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- backplate
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- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 230000006835 compression Effects 0.000 title claims abstract description 5
- 238000007906 compression Methods 0.000 title claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 4
- 238000009413 insulation Methods 0.000 title abstract description 13
- 238000003825 pressing Methods 0.000 abstract description 31
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
- B32B41/02—Safety arrangements
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Building Environments (AREA)
Abstract
The invention provides a pressing device for producing and processing a composite sound insulation board, and relates to the technical field of pressing devices. This composite sound-proof board compression fittings for production and processing, including the mesa, the equal fixedly connected with slide rail in top middle part both sides of mesa, equal sliding connection has the draw runner in the slide rail, the draw runner is fixed connection respectively on the left and right sides of the bottom of base platform. The in-process of the lift of pressing the board through the hydraulic stem drive, the connecting rod drives the pinion rack up-and-down motion, the pinion rack drives gear forward and reverse rotation and tightens up the loose rope of putting, borrow the spring control base platform to slide around on the slide rail again, place and take out the bottom that panel need not stretch the hand to the clamp plate, it is safer to operate, avoid workman misoperation to cause the processing accident, at first drive the worm wheel through motor drive worm, axostylus axostyle and swing arm rotate, the rethread linking arm drives activity about fly leaf and the limiting plate, with the interval of this quick adjustment limiting plate, swift convenient improvement machining efficiency.
Description
Technical Field
The invention relates to the technical field of pressing devices, in particular to a pressing device for producing and processing a composite sound insulation board.
Background
The sound-proof board is a plate block acting on the sound-proof effect, the sound-proof of the building is classified with the sound-proof of the structure, the sound of all frequencies can not be separated by the sound-proof board, the object has the inherent resonance frequency, the sound close to the resonance frequency of the object, and the sound-proof effect of the sound-proof board is obviously reduced.
When current compound acoustic celotex board was pressing, need the workman to stretch the clamp plate below of equipment with the hand and put and get compound acoustic celotex board, in case misoperation is taken place to the in-process workman of compression fittings at the operation, easy emergence processing accident to equipment when the compound acoustic celotex board of different specifications of pressfitting, needs repeated manual regulation limiting plate, influences machining efficiency.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a pressing device for producing and processing a composite sound insulation board, which solves the problems that processing accidents are easily caused by misoperation of workers and a limiting plate is inconvenient to adjust.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a pressing device for producing and processing a composite sound insulation board comprises a table board, wherein slide rails are fixedly connected to two sides of the middle portion of the top end of the table board, slide bars are slidably connected in the slide rails, the slide bars are fixedly connected to the left side and the right side of the bottom end of a base table respectively, the rear portion of the top end of the table board is fixedly connected to the bottom end of a back plate, hollow grooves are formed in the left side and the right side of the middle portion of the back plate, a mounting plate is fixedly connected to the middle upper portion of the middle portion of the back plate, the middle front portion of the upper end of the mounting plate is fixedly connected to the front end of a hydraulic rod cylinder body, the front end of the rod body of the hydraulic rod penetrates through the mounting plate and is fixedly connected to the middle portion of the top end of a pressing plate, the left side and the right side of the top end of the pressing plate are fixedly connected to the front end of the bottom end of a connecting rod, the rear end of the connecting rod penetrates through the hollow grooves on the same side and is fixedly connected to the bottom end of a clamping plate, a first support is fixedly connected to the middle upper portion of the rear side of the back plate, rotate between the rear end middle part of first support and be connected with the spool, the middle part both sides of spool all with the middle part fixed connection of gear, the well lower part of backplate rear side is provided with the second support, it is connected with the deflector roll to rotate between the second support, be provided with the through-hole on the backplate at second support lower extreme middle part, with the one end fixed connection of spring on the backplate of through-hole front end, the other end fixed connection of spring is at the rear end middle part of base platform, the rear end middle part fixed connection of base platform is in the one end of rope, the other end of rope runs through the middle part and the through-hole of spring in proper order and through deflector roll and spool fixed connection.
Preferably, the front end and the rear end of the top of the base platform are fixedly connected with end plates, the front side and the rear side of the middle part of the top of the base platform are respectively provided with a sliding groove, a shaft lever is rotatably connected between the middle part of the top of the base platform and the middle part of the bottom of the base platform, the middle lower part of the shaft lever is fixedly connected with the middle part of a worm wheel, the middle upper part of the shaft lever is fixedly connected with the middle part of a swing arm, the sliding grooves are respectively and slidably connected with sliding blocks, the upper ends of the sliding blocks on the left side and the right side of the base platform are respectively and fixedly connected with the two ends of the bottom side of a limiting plate, the lower ends of the sliding blocks on the left side and the right side of the base platform are respectively and fixedly connected with the two ends of the top side of a movable plate, the middle part of the bottom of the movable plate is rotatably connected with one end of a connecting arm, the other end of the front end of the inner bottom of the base platform is fixedly connected with a fixed block, the rotating shaft of the motor is fixedly connected with one end of the worm, and the other end of the worm is rotatably connected with the middle of the fixing block.
Preferably, the rear side of the toothed plate is in meshed connection with a gear.
Preferably, the worm is engaged with the worm wheel.
Preferably, the middle part is fixedly connected with baffle before the top of mesa, four corners of bottom of mesa all fixedly connected with footing.
Preferably, the upper ends of the clamping tooth plates are fixedly connected through a connecting block.
Preferably, the middle part is fixed connection with one side right-angle side of first set square behind the top of mounting panel, the opposite side right-angle side and the backplate fixed connection of first set square.
Preferably, the left side and the right side of the rear part of the top end of the table top are fixedly connected with the right-angle edge on one side of the second triangular plate, and the right-angle edge on the other side of the second triangular plate is fixedly connected with the back plate.
The working principle is as follows: when the composite acoustic panels are pressed, firstly, the plates are placed on the base platform, then the clamping plate is driven to move downwards through the connecting rod in the process of pressing the pressing plate downwards through the hydraulic rod, the gear and the scroll rotate anticlockwise to roll one end of the rope, the other end of the rope pulls the base platform to move backwards on the slide rail to the bottom end of the pressing plate, the pressing plate is used for pressing the plates on the base platform, the clamping plate drives the gear and the scroll to rotate clockwise to pay out the rope in the process of lifting the pressing plate through the clamping plate after the pressing is finished, at the moment, the spring pushes the base platform forwards, the pressed composite acoustic panels are convenient to take out and place the pressed composite acoustic panels again by workers, hands do not need to extend to the bottom end of the pressing plate when the pressing of the acoustic panels with different specifications is required, the worm is driven to rotate through the motor firstly, the worm drives the worm wheel, the shaft lever and the swing arm to rotate, the swing arm drives the movable plate to move left and right through the connecting arms at the two ends in the left and right swinging process, and the movable plate drives the limiting plate through the sliding block, so that the distance between the limiting plates can be quickly and conveniently adjusted, and the processing efficiency can be quickly and conveniently improved.
(III) advantageous effects
The invention provides a pressing device for producing and processing a composite sound insulation board. The method has the following beneficial effects:
1. when the composite sound insulation board is pressed, firstly, the board is placed on the base platform, then the clamping plate is driven to move downwards through the connecting rod in the process of pressing the pressing board downwards through the hydraulic rod, the gear and the scroll rotate anticlockwise to wind one end of the rope, the other end of the rope pulls the base platform to move backwards on the sliding rail to the bottom end of the pressing board, the pressing board presses the board on the base platform, the clamping plate drives the gear and the scroll to rotate clockwise to pay out the rope in the process of lifting the pressing board through the hydraulic rod after pressing, at the moment, the spring pushes the base platform forwards, a worker can take out the pressed composite sound insulation board conveniently and place the pressed board again, the plate is placed and taken out without extending hands to the bottom end of the pressing board, the operation is safer, and processing accidents caused by misoperation of the worker are avoided.
2. When the sound insulation boards with different specifications need to be pressed, the worm is driven to rotate through the motor, the worm drives the worm wheel, the shaft lever and the swing arm to rotate, the swing arm drives the movable plate to move left and right through the connecting arms at the two ends in the left and right swinging process, and the movable plate drives the limiting plate through the sliding block, so that the distance between the limiting plates is quickly adjusted, and the processing efficiency is quickly and conveniently improved.
Drawings
FIG. 1 is a front end side view schematic diagram of the present invention;
FIG. 2 is a schematic rear end top view of the present invention;
FIG. 3 is a schematic bottom sectional view of the base table of the present invention;
FIG. 4 is a schematic side view of the present invention;
fig. 5 is a schematic front view of the present invention.
Wherein, 1, a table top; 2. a back plate; 3. a slide rail; 4. a base table; 5. a chute; 6. an end plate; 7. a limiting plate; 8. a spring; 9. hollowing out the grooves; 10. mounting a plate; 11. footing; 12. a rope; 13. a slide bar; 14. a baffle plate; 15. a connecting rod; 16. pressing a plate; 17. a hydraulic lever; 18. a first set square; 19. a through hole; 20. a second set square; 21. a first support; 22. a second support; 23. a gear; 24. a guide roller; 25. a toothed plate; 26. connecting blocks; 27. an electric motor; 28. a worm; 29. a fixed block; 30. a worm gear; 31. a shaft lever; 32. swinging arms; 33. a connecting arm; 34. a movable plate; 35. a slider; 36. a reel.
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.
Example (b):
as shown in fig. 1-5, an embodiment of the present invention provides a pressing device for producing and processing a composite sound insulation board, including a table top 1, wherein both sides of the middle portion of the top end of the table top 1 are fixedly connected with slide rails 3, the slide rails 3 are slidably connected with slide bars 13, the slide bars 13 are respectively fixedly connected to the left and right sides of the bottom end of a base table 4, the rear portion of the top end of the table top 1 is fixedly connected to the bottom end of a back plate 2, the left and right sides of the middle portion of the back plate 2 are respectively provided with a hollow groove 9, the middle upper portion of the back plate 2 is fixedly connected with a mounting plate 10, the middle front portion of the upper end of the mounting plate 10 is fixedly connected to the front end of a cylinder body of a hydraulic rod 17, the front end of a rod body of the hydraulic rod 17 penetrates through the mounting plate 10 and is fixedly connected to the middle portion of the top end of a pressing plate 16, the left and right sides of the top end of the pressing plate 16 are fixedly connected to the front end of the bottom side of a connecting rod 15, the hollow groove 9 on the same side and fixedly connected to the bottom end of a hollow plate 25, a first support 21 is fixedly connected to the middle upper portion of the rear side of the back plate 2, a reel 36 is rotatably connected between the middle portions of the rear ends of the first support 21, both sides of the middle portion of the reel 36 are fixedly connected with the middle portion of the gear 23, a second support 22 is arranged at the middle lower portion of the rear side of the back plate 2, a guide roller 24 is rotatably connected between the second supports 22, a through hole 19 is arranged on the back plate 2 at the middle portion of the lower end of the second support 22, the back plate 2 at the front end of the through hole 19 is fixedly connected with one end of a spring 8, the other end of the spring 8 is fixedly connected with the middle portion of the rear end of the base table 4, the middle portion of the rear end of the base table 4 is fixedly connected with one end of a rope 12, the other end of the rope 12 sequentially penetrates through the middle portion of the spring 8 and the through hole 19 and is fixedly connected with the reel 36 through the guide roller 24, when the composite sound insulation plate is pressed, firstly, the plate is placed on the base table 4, and then the clamping plate 16 is pressed through the hydraulic rod 17, the connecting rod 15 drives the clamping plate 25 to move downwards, drive gear 23 and the one end of 36 anticlockwise rotations rolling rope 12 of spool through the pinion rack 25, let the other end pulling base platform 4 of rope 12 move backward to the bottom of clamp plate 16 on slide rail 3, supply clamp plate 16 to carry out the pressfitting to the panel on the base platform 4, the pressfitting finishes the in-process pinion rack 25 that back hydraulic stem 17 lifted clamp plate 16 and drives gear 23 and 36 clockwise rotations of spool and emit rope 12, spring 8 promotes base platform 4 forward this moment, be convenient for the workman to take out the compound acoustic celotex board that the pressfitting was crossed and place the pressfitting panel again, place and take out the bottom that the panel need not stretch the hand to clamp plate 16, the operation is safer, avoid workman misoperation to cause the processing accident.
The front end and the rear end of the top of the base table 4 are fixedly connected with end plates 6, the front side and the rear side of the middle part of the top end of the base table 4 are respectively provided with a sliding groove 5, a shaft lever 31 is rotatably connected between the middle part of the top end and the middle part of the bottom end of the base table 4, the middle lower part of the shaft lever 31 is fixedly connected with the middle part of a worm gear 30, the middle upper part of the shaft lever 31 is fixedly connected with the middle part of a swing arm 32, a sliding block 35 is slidably connected in each sliding groove 5, the upper end of the sliding block 35 on the left side and the right side of the base table 4 is respectively fixedly connected with the two ends of the bottom side of a limiting plate 7, the lower end of the sliding block 35 on the left side and the right side of the base table 4 is respectively fixedly connected with the two ends of the top side of a movable plate 34, the middle part of the bottom end of the movable plate 34 is rotatably connected with one end of a connecting arm 33, the other end of the bottom of the inner side of the base table 4 is respectively rotatably connected with a fixing block 29, the rotating shaft of the motor 27 is fixedly connected with one end of the worm 28, the other end of the worm 28 is rotatably connected with the middle of the fixed block 29, when sound insulation boards of different specifications need to be pressed, the worm 28 is driven to rotate through the motor 27, the worm 28 drives the worm wheel 30, the shaft lever 31 and the swing arm 32 to rotate, the swing arm 32 drives the movable plate 34 to move left and right through the connecting arms 33 at the two ends in the left-right swinging process, the movable plate 34 drives the limiting plate 7 through the sliding block 35, and therefore the distance between the limiting plates 7 is adjusted rapidly, and the machining efficiency is improved rapidly and conveniently.
The rear side of the toothed plate 25 is in meshing connection with the gear wheel 23.
The worm 28 is in meshing engagement with a worm gear 30.
Middle part fixedly connected with baffle 14 before the top of mesa 1 plays the effect that prevents 4 roll-off slide rails 3 of base platform, and the equal fixedly connected with footing 11 of four corners in the bottom of mesa 1 plays the effect that supports mesa 1.
The upper ends between the clamping tooth plates 25 are fixedly connected through the connecting blocks 26, and the stability of the clamping tooth plates 25 is improved.
The middle part behind the top of mounting panel 10 and one side right-angle side fixed connection of first set-square 18, the opposite side right-angle side and the backplate 2 fixed connection of first set-square 18.
The left side and the right side of the top rear part of the table board 1 are fixedly connected with one side right-angle edge of the second triangular plate 20, and the other side right-angle edge of the second triangular plate 20 is fixedly connected with the back board 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a composite acoustic celotex board compression fittings for production and processing, includes mesa (1), its characterized in that: the top end middle part both sides of mesa (1) all fixedly connected with slide rail (3), all sliding connection has draw runner (13) in slide rail (3), draw runner (13) fixed connection is in the bottom left and right sides of base platform (4) respectively, the top rear portion fixed connection of mesa (1) is in the bottom of backplate (2), the middle left and right sides of backplate (2) all is provided with fretwork groove (9), the well upper portion fixed connection of backplate (2) has mounting panel (10), the front portion fixed connection is in the front end of hydraulic stem (17) cylinder body in the upper end of mounting panel (10), the body of rod front end of hydraulic stem (17) runs through mounting panel (10) and fixed connection is in the top middle part of clamp plate (16), the top left and right sides of clamp plate (16) all with the bottom side front end fixed connection of connecting rod (15), the rear end of connecting rod (15) all runs through the fretwork groove (9) and fixed connection is in the front side bottom of card pinion rack (25) of homonymy, the utility model discloses a cable fixing device, including backplate (2), the rear side of backplate (2) is middle upper portion fixedly connected with first support (21), rotate between the rear end middle part of first support (21) and be connected with spool (36), the middle part both sides of spool (36) all with the middle part fixed connection of gear (23), the well lower part of backplate (2) rear side is provided with second support (22), it is connected with deflector roll (24) to rotate between second support (22), be provided with through-hole (19) on backplate (2) at second support (22) lower extreme middle part, on backplate (2) of through-hole (19) front end with the one end fixed connection of spring (8), the other end fixed connection of spring (8) is in the rear end middle part of base platform (4), the rear end middle part fixed connection of base platform (4) is in the one end of rope (12), the other end of rope (12) runs through the middle part and through-hole (19) of spring (8) in proper order and through deflector roll (24) and spool (36) fixed connection.
2. The press-fit device for producing and processing composite acoustical panels as claimed in claim 1, wherein: the front end and the rear end of the top of the base table (4) are fixedly connected with end plates (6), the front side and the rear side of the middle part of the top end of the base table (4) are respectively provided with a sliding groove (5), a shaft lever (31) is rotatably connected between the middle part of the top end of the base table (4) and the middle part of the bottom end of the base table (4), the middle lower part of the shaft lever (31) is fixedly connected with the middle part of a worm wheel (30), the middle upper part of the shaft lever (31) is fixedly connected with the middle part of a swing arm (32), the sliding blocks (35) are respectively and slidably connected in the sliding grooves (5), the upper ends of the sliding blocks (35) on the left side and the right side of the base table (4) are respectively and fixedly connected with the two ends of the bottom side of a limiting plate (7), the lower ends of the sliding blocks (35) on the left side and the right side of the base table (4) are respectively and fixedly connected with the two ends of the top side of a movable plate (34), the middle part of the bottom end of the movable plate (34) is rotatably connected with one end of a connecting arm (33), the other end of linking arm (33) rotates respectively and connects the bottom side both ends at swing arm (32), inboard bottom front end one side fixedly connected with motor (27) of base platform (4), inboard bottom front end opposite side fixedly connected with fixed block (29) of base platform (4), the pivot of motor (27) and the one end fixed connection of worm (28), the other end of worm (28) rotates with the middle part of fixed block (29) and is connected.
3. The press-fit device for producing and processing composite acoustical panels as claimed in claim 1, wherein: the rear side of the clamping tooth plate (25) is in meshed connection with the gear (23).
4. The press-fit device for producing and processing composite acoustical panels as claimed in claim 2, wherein: the worm (28) is in meshed connection with the worm wheel (30).
5. The press-fit device for producing and processing composite acoustical panels as claimed in claim 1, wherein: middle part fixedly connected with baffle (14) before the top of mesa (1), equal fixedly connected with footing (11) in four corners in the bottom of mesa (1).
6. The press-fit device for producing and processing composite acoustical panels as claimed in claim 1, wherein: the upper ends of the clamping tooth plates (25) are fixedly connected through a connecting block (26).
7. The press-fit device for producing and processing composite acoustical panels as claimed in claim 1, wherein: middle part and one side right-angle side fixed connection of first set square (18) behind the top of mounting panel (10), the opposite side right-angle side and backplate (2) fixed connection of first set square (18).
8. The press-fit device for producing and processing composite acoustical panels as claimed in claim 1, wherein: the left side and the right side of the rear part of the top end of the table board (1) are fixedly connected with the right-angle edge on one side of the second triangular plate (20), and the right-angle edge on the other side of the second triangular plate (20) is fixedly connected with the back board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869648.2A CN113580722A (en) | 2021-07-30 | 2021-07-30 | Composite sound insulation board is compression fittings for production and processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869648.2A CN113580722A (en) | 2021-07-30 | 2021-07-30 | Composite sound insulation board is compression fittings for production and processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113580722A true CN113580722A (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110869648.2A Pending CN113580722A (en) | 2021-07-30 | 2021-07-30 | Composite sound insulation board is compression fittings for production and processing |
Country Status (1)
| Country | Link |
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| CN (1) | CN113580722A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274653A (en) * | 2021-12-30 | 2022-04-05 | 安徽微威胶件集团有限公司 | High damping compression fittings for acoustic celotex board production and processing |
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| CN105461363A (en) * | 2015-12-15 | 2016-04-06 | 重庆农正农业开发有限公司 | Extruding device for producing organic fertilizer |
| CN110539906A (en) * | 2019-09-19 | 2019-12-06 | 盛钱威 | Device capable of sealing boxes for express delivery of different sizes through reciprocating motion |
| CN210125789U (en) * | 2019-04-30 | 2020-03-06 | 江苏纽托普能源科技有限公司 | Hot press of high-efficient hot pressing |
| CN210823074U (en) * | 2019-09-30 | 2020-06-23 | 上海仪玳化妆品有限公司 | Three-dimensional packagine machine of transparent film is used in cosmetics production |
| CN213539085U (en) * | 2020-07-22 | 2021-06-25 | 中国水利水电第四工程局有限公司 | Pile foundation static load test equipment |
| CN213673791U (en) * | 2020-11-17 | 2021-07-13 | 江苏长川科技有限公司 | Positioner is used in radiator processing for transformer |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105461363A (en) * | 2015-12-15 | 2016-04-06 | 重庆农正农业开发有限公司 | Extruding device for producing organic fertilizer |
| CN210125789U (en) * | 2019-04-30 | 2020-03-06 | 江苏纽托普能源科技有限公司 | Hot press of high-efficient hot pressing |
| CN110539906A (en) * | 2019-09-19 | 2019-12-06 | 盛钱威 | Device capable of sealing boxes for express delivery of different sizes through reciprocating motion |
| CN210823074U (en) * | 2019-09-30 | 2020-06-23 | 上海仪玳化妆品有限公司 | Three-dimensional packagine machine of transparent film is used in cosmetics production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114274653A (en) * | 2021-12-30 | 2022-04-05 | 安徽微威胶件集团有限公司 | High damping compression fittings for acoustic celotex board production and processing |
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Application publication date: 20211102 |