CN115950770B - Acrylic plastic sheet material bending resistance detection equipment - Google Patents
Acrylic plastic sheet material bending resistance detection equipment Download PDFInfo
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- CN115950770B CN115950770B CN202310194219.9A CN202310194219A CN115950770B CN 115950770 B CN115950770 B CN 115950770B CN 202310194219 A CN202310194219 A CN 202310194219A CN 115950770 B CN115950770 B CN 115950770B
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- fixedly arranged
- clamping plate
- oil cylinder
- acrylic plastic
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- 229920002972 Acrylic fiber Polymers 0.000 title claims abstract description 48
- 238000005452 bending Methods 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 239000002985 plastic film Substances 0.000 title claims description 4
- 239000000463 material Substances 0.000 title claims description 3
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 7
- 239000004033 plastic Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses an acrylic plastic plate bending resistance detection device, which comprises a device platform, wherein a U-shaped frame which is installed in an inverted mode is fixedly arranged at the upper end of the device platform, a first oil cylinder is fixedly arranged at the upper end of the U-shaped frame, and a punch assembly is installed at the output end of the first oil cylinder; the center of the upper end of the equipment platform is fixedly provided with a supporting base, both sides of the upper end of the supporting base are fixedly provided with supporting columns, and the supporting columns are provided with lower sensors; two groups of clamping plate assemblies are arranged at the upper end of the equipment platform, and the two groups of clamping plate assemblies are symmetrically distributed by taking the supporting base as a center; according to the invention, the bending pressure of the acrylic plastic plate is monitored through the lower sensor, so that the detection of the bending resistance of the acrylic plastic plate is realized, the upper sensor arranged in the punch assembly is used for reading the reaction force born by the punch assembly, and the accuracy of the detection of the bending resistance of the acrylic plastic plate is ensured by utilizing the dual monitoring of the lower sensor and the upper sensor.
Description
Technical Field
The invention relates to the technical field of plate performance detection equipment, in particular to acrylic plastic plate bending resistance detection equipment.
Background
The light box made of acrylic is characterized by good light transmission performance, pure color, rich color, beautiful and smooth appearance, two effects at day and night, long service life, no influence on use and the like.
In the production process of the acrylic plate, the strength, the high temperature resistance and the bending resistance of the acrylic plate are generally detected by performing spot check on the produced acrylic plate, and the bending resistance of the acrylic plate is generally detected by various bending strength testers.
The existing anti-bending performance detection equipment generally adopts a sensor to monitor an anti-bending coefficient at one side, the accuracy of a monitoring result is required to be improved, and meanwhile, a protection mechanism is not arranged on the sensor, so that the service life of the sensor is reduced.
Disclosure of Invention
The invention aims to provide an acrylic plastic plate bending resistance detection device, which ensures the accuracy of the bending resistance detection of an acrylic plastic plate by utilizing the dual monitoring of a lower sensor and an upper sensor. The buffer spring plays a certain buffer protection role on the upper sensor, prevents the upper sensor from being suddenly impacted, and prolongs the service life of the upper sensor.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides an acrylic plastic sheet bending resistance performance detection equipment, includes equipment platform, equipment platform upper end is fixed to be provided with and is the U type frame of inverted installation, U type frame upper end fixed mounting has first hydro-cylinder, the output of first hydro-cylinder is installed the drift subassembly; the center of the upper end of the equipment platform is fixedly provided with a supporting base, both sides of the upper end of the supporting base are fixedly provided with supporting columns, and the supporting columns are provided with lower sensors; the upper end of the equipment platform is provided with two groups of clamping plate assemblies which are symmetrically distributed by taking the supporting base as a center.
As a further scheme of the invention: two groups of supporting guide posts are arranged above the equipment platform, the supporting guide posts are fixedly arranged on the equipment platform through vertical plates, and the clamping plate assembly is arranged on the supporting guide posts in a sliding manner.
As a further scheme of the invention: the punch assembly comprises a mounting top plate, the mounting top plate is fixedly connected to the output end of the first oil cylinder, an upper sensor is fixedly arranged at the lower end of the mounting top plate, and an impact head is arranged on the upper sensor.
As a further scheme of the invention: install the mounting plate on the last sensor, impact head installs on the mounting plate, the mounting plate passes through multiunit connecting rod and links to each other with the installation roof.
As a further scheme of the invention: the U-shaped rack is characterized in that a protection component is arranged at the upper end of the U-shaped rack and used for carrying out safety protection when the board is detected.
As a further scheme of the invention: the protection assembly comprises a second oil cylinder fixedly mounted at the top of the U-shaped frame, the output end of the second oil cylinder is fixedly connected with a protection connecting plate, and two ends of the protection connecting plate are respectively fixedly connected with a rear baffle and a front baffle.
As a further scheme of the invention: the back side of the support base is fixedly provided with a connecting plate, and the upper end of the connecting plate is fixedly provided with an angle ruler.
As a further scheme of the invention: the clamping plate assembly comprises a guide sliding block which is arranged on the supporting guide post in a sliding manner, a clamping plate base is fixedly arranged at the upper end of the guide sliding block, a clamping plate seat is rotatably arranged on the clamping plate base, and a pressing plate mechanism is arranged on the clamping plate seat.
As a further scheme of the invention: the clamping plate base is characterized in that mounting grooves are formed in two sides of the clamping plate base, lifting plates are slidably mounted on the mounting grooves, and the clamping plate base is rotatably mounted on the lifting plates through connecting shafts.
As a further scheme of the invention: the pressing plate mechanism comprises an oil cylinder seat fixedly arranged on a clamping plate seat, a third oil cylinder is fixedly arranged on the oil cylinder seat, a driving rod is fixedly arranged at the output end of the third oil cylinder, and a pressing plate is fixedly connected onto the driving rod.
The invention has the beneficial effects that:
the bending pressure of the acrylic plastic plate is monitored through the lower sensor, so that the bending resistance of the acrylic plastic plate is detected, the upper sensor arranged in the punch assembly is used for reading the reaction force born by the punch assembly, and the accuracy of the bending resistance detection of the acrylic plastic plate is ensured by utilizing the dual monitoring of the lower sensor and the upper sensor.
The buffer spring plays a certain buffer protection role on the upper sensor, prevents the upper sensor from being suddenly impacted, and prolongs the service life of the upper sensor.
The reaction force is prevented from directly acting on the third oil cylinder through the buffer action of the driving rod, so that the normal bending of the acrylic plate is ensured on one hand, and the protection effect is achieved on the third oil cylinder on the other hand, and the breakage of the driving arm rod of the oil cylinder due to the reaction force is prevented.
Through the position of removing two sets of splint subassemblies for two sets of splint subassemblies press from both sides tight to ya keli plastic panel both ends, conveniently detect ya keli plastic panel on the one hand, prevent on the other hand that ya keli plastic panel from breaking the sputtering in-process panel of bending from taking place, play safety protection's effect to the inspector.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side elevational view of the shield assembly of the present invention;
FIG. 3 is a schematic view of the cleat assembly of the present invention;
FIG. 4 is a schematic view of the structure of the driving rod of the present invention;
FIG. 5 is a schematic view of the structure of the punch assembly of the present invention;
FIG. 6 is a schematic view of the structure of the angle gauge of the present invention.
In the figure: 1. an equipment platform; 2. a U-shaped frame; 3. a support base; 4. a vertical plate; 5. supporting guide posts; 6. a cleat assembly; 61. a splint base; 62. a guide slide block; 63. a lifting plate; 64. a connecting shaft; 65. a clamping plate seat; 66. an oil cylinder seat; 67. a third cylinder; 68. a driving rod; 681. a drive sleeve; 682. a blind hole; 683. a connecting spring; 684. a drive link; 69. a pressing plate; 610. a guide rod; 611. a mounting groove; 7. a protective assembly; 71. a second cylinder; 72. a protective connecting plate; 73. a rear baffle; 74. a front baffle; 8. a first cylinder; 9. a punch assembly; 91. installing a top plate; 92. uploading a sensor; 93. a mounting base plate; 94. an impact head; 95. a connecting rod; 96. a limit baffle; 97. a buffer spring; 10. an angle ruler; 11. a support column; 12. a lower sensor; 13. and (5) connecting a plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the invention discloses an acrylic plastic plate bending resistance detection device, which comprises a device platform 1, wherein a U-shaped frame 2 which is installed in an inverted mode is fixedly arranged at the upper end of the device platform 1, a first oil cylinder 8 is fixedly arranged at the upper end of the U-shaped frame 2, and a punch assembly 9 is installed at the output end of the first oil cylinder 8; the center of the upper end of the equipment platform 1 is fixedly provided with a support base 3, both sides of the upper end of the support base 3 are fixedly provided with support columns 11, and the support columns 11 are provided with lower sensors 12; the equipment platform 1 upper end is provided with two sets of splint subassemblies 6, and two sets of splint subassemblies 6 use supporting base 3 as central symmetry distribution, and U type frame 2 upper end is provided with protection component 7, and protection component 7 is used for carrying out safety protection when panel detects.
The acrylic plastic plate to be detected is placed on the lower sensor 12, two ends of the acrylic plastic plate are clamped through the clamping plate assemblies 6 on two sides, then the front baffle 74 and the rear baffle 73 are controlled by the protection assembly 7 to move downwards, the front end and the rear end of the U-shaped frame 2 are plugged, the first oil cylinder 8 drives the punch assembly 9 to move downwards, the acrylic plastic plate is punched through the punch assembly 9, the acrylic plastic plate is bent under the action of the punch assembly 9, the bending pressure of the acrylic plastic plate is monitored through the lower sensor 12, so that the bending resistance of the acrylic plastic plate is detected, the reaction force born by the punch assembly 9 is read by the upper sensor 92 arranged in the punch assembly 9, and the accuracy of the bending resistance detection of the acrylic plastic plate is ensured by the double monitoring of the lower sensor 12 and the upper sensor 92.
The equipment platform 1 top is provided with two sets of support guide pillar 5, and support guide pillar 5 passes through riser 4 fixed mounting on equipment platform 1, and splint subassembly 6 slip sets up on support guide pillar 5, plays the effect of support direction to splint subassembly 6 through setting up support guide pillar 5, when acrylic plastic panel produces the bending under the effect of drift subassembly 9, ensures splint subassembly 6 and keeps the centre gripping effect to acrylic plastic panel, then splint subassembly 6 can produce the removal, and the steady removal of splint subassembly 6 is ensured in the setting of support guide pillar 5.
The punch assembly 9 comprises a mounting top plate 91, the mounting top plate 91 is fixedly connected to the output end of the first oil cylinder 8, an upper sensor 92 is fixedly arranged at the lower end of the mounting top plate 91, and an impact head 94 is arranged on the upper sensor 92. Install mounting plate 93 on last sensor 92, impact head 94 installs on mounting plate 93, mounting plate 93 links to each other with mounting plate 91 through multiunit connecting rod 95, connecting rod 95 slides and runs through mounting plate 91, and the fixed limit baffle 96 that is provided with in upper end of connecting rod 95, the periphery cover at connecting rod 95 is equipped with buffer spring 97, buffer spring 97 upper end fixed connection is on limit baffle 96, buffer spring 97's lower extreme fixed connection is on mounting plate 91, buffer spring 97 is in when natural length, mounting plate 93's upper end is contacted with last sensor 92's contact mutually, when impact head 94 is stamped the acrylic plastic slab downwards under the effect of first hydro-cylinder 8, the reaction force that impact head 94 received is fed back to on the last sensor 92, detect the bending resistance performance of acrylic plastic slab through last sensor 92, buffer spring 97's setting plays certain buffering guard action to last sensor 92, prevent that last sensor 92 from receiving abrupt impact, improve last sensor 92's life.
The protection component 7 includes the second hydro-cylinder 71 of fixed mounting at U type frame 2 top, the output fixedly connected with protection link plate 72 of second hydro-cylinder 71, the both ends of protection link plate 72 are fixedly connected with backplate 73 and preceding baffle 74 respectively, protection component 7 is used for playing the effect of protection to the check out test set outside when the anti bending test of acrylic plastic panel, when the acrylic plastic panel is carrying out anti bending test, the second hydro-cylinder 71 drives protection link plate 72 downwardly moving in advance, make preceding baffle 74 and backplate 73 seal the front and back end of U type frame 2, thereby prevent acrylic plastic panel and take place panel rupture splash check out test set when anti bending test, thereby cause the injury to the inspector, and preceding baffle 74 and backplate 73 all adopt transparent material to make, make things convenient for carrying out real-time observation to the anti bending test of acrylic plastic panel when playing the protection effect, thereby ensure the precision of detection.
The connecting plate 13 is fixedly arranged on the rear side of the supporting base 3, the angle gauge 10 is fixedly arranged at the upper end of the connecting plate 13, scales are uniformly marked on the angle gauge 10, after the acrylic plastic plate is bent under the action of the punch assembly 9, the bending angle of the acrylic plastic plate can be rapidly and directly read through the angle gauge 10, so that the bending performance of the acrylic plastic plate is conveniently calculated, and meanwhile the bending resistance degree of the acrylic plastic plate is also conveniently detected.
The clamping plate assembly 6 comprises a guide sliding block 62 which is arranged on the supporting guide post 5 in a sliding manner, a clamping plate base 61 is fixedly arranged at the upper end of the guide sliding block 62, a clamping plate seat 65 is rotatably arranged on the clamping plate base 61, and a pressing plate mechanism is arranged on the clamping plate seat 65. The clamping plate base 61 is provided with mounting grooves 611 on both sides, the lifting plate 63 is slidably mounted on the mounting grooves 611, and the clamping plate base 65 is rotatably mounted on the lifting plate 63 through the connecting shaft 64. The pressing plate mechanism comprises an oil cylinder seat 66 fixedly arranged on a clamping plate seat 65, a third oil cylinder 67 is fixedly arranged on the oil cylinder seat 66, a driving rod 68 is fixedly arranged at the output end of the third oil cylinder 67, a pressing plate 69 is fixedly connected to the driving rod 68, at least two groups of guide rods 610 are fixedly arranged on the pressing plate 69, the guide rods 610 are connected to the clamping plate seat 65 in a sliding penetrating mode, and the guide rods 610 play a guide role in moving the pressing plate 69.
The driving rod 68 comprises a driving sleeve 681, the driving sleeve 681 is fixedly arranged at the output end of the third oil cylinder 67, a blind hole 682 is arranged on the driving sleeve 681, a driving connecting rod 684 is slidably arranged at the blind hole 682, a connecting spring 683 is arranged inside the blind hole 682, and the connecting spring 683 is connected with the driving sleeve 681 and the driving connecting rod 684; when the acrylic plastic plate needs to be subjected to bending resistance detection, the third oil cylinder 67 drives the pressing plate 69 to move downwards, the acrylic plastic plate is pressed on the clamping plate seat 65, and when the acrylic plastic plate deflects, the reaction force is prevented from directly acting on the third oil cylinder 67 through the buffer action of the driving rod 68, so that the acrylic plastic plate is ensured to be bent normally, the third oil cylinder 67 is protected, and the oil cylinder driving arm rod is prevented from being broken due to the reaction force.
When the acrylic plastic plate needs to be subjected to bending resistance detection, the positions of the two groups of clamping plate assemblies 6 are moved, so that the two groups of clamping plate assemblies 6 clamp the two ends of the acrylic plastic plate, the acrylic plastic plate is detected conveniently on one hand, the acrylic plastic plate is prevented from being broken and sputtered in the bending process, and the safety protection effect is achieved on detection personnel.
When the acrylic plastic plate is bent under the action of the punch assembly 9, the two ends of the acrylic plastic plate are tilted upwards, the guide sliding blocks 62 slide on the supporting guide posts 5 at the moment, the acrylic plate drives the lifting plates 63 to move upwards, the clamping plate seats 65 rotate under the action of the acrylic plastic plate, the side walls of the clamping plate seats 65 are kept horizontal with the acrylic plastic plate, the clamping effect on the acrylic plastic plate is ensured, and therefore the danger of sputtering caused by plate breakage is prevented.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (2)
1. The utility model provides an acrylic plastic sheet material bending resistance performance detection equipment, includes equipment platform (1), equipment platform (1) upper end is fixed with and is U type frame (2) of handstand installation, U type frame (2) upper end fixed mounting has first hydro-cylinder (8), punch assembly (9) are installed to the output of first hydro-cylinder (8); the device is characterized in that a supporting base (3) is fixedly arranged at the center of the upper end of the device platform (1), supporting columns (11) are fixedly arranged on two sides of the upper end of the supporting base (3), and a lower sensor (12) is arranged on each supporting column (11); two groups of clamping plate assemblies (6) are arranged at the upper end of the equipment platform (1), and the two groups of clamping plate assemblies (6) are symmetrically distributed by taking the supporting base (3) as a center;
two groups of supporting guide posts (5) are arranged above the equipment platform (1), the supporting guide posts (5) are fixedly arranged on the equipment platform (1) through vertical plates (4), and the clamping plate assemblies (6) are arranged on the supporting guide posts (5) in a sliding mode;
the punch assembly (9) comprises a mounting top plate (91), the mounting top plate (91) is fixedly connected to the output end of the first oil cylinder (8), an upper sensor (92) is fixedly arranged at the lower end of the mounting top plate (91), and an impact head (94) is arranged on the upper sensor (92);
a mounting bottom plate (93) is arranged on the upper sensor (92), the impact head (94) is arranged on the mounting bottom plate (93), and the mounting bottom plate (93) is connected with the mounting top plate (91) through a plurality of groups of connecting rods (95);
the upper end of the U-shaped rack (2) is provided with a protection component (7), and the protection component (7) is used for carrying out safety protection during plate detection;
the protection assembly (7) comprises a second oil cylinder (71) fixedly arranged at the top of the U-shaped frame (2), the output end of the second oil cylinder (71) is fixedly connected with a protection connecting plate (72), and two ends of the protection connecting plate (72) are respectively fixedly connected with a rear baffle plate (73) and a front baffle plate (74);
the clamping plate assembly (6) comprises a guide slide block (62) which is arranged on the supporting guide post (5) in a sliding manner, a clamping plate base (61) is fixedly arranged at the upper end of the guide slide block (62), a clamping plate base (65) is rotatably arranged on the clamping plate base (61), and a pressing plate mechanism is arranged on the clamping plate base (65);
the pressing plate mechanism comprises an oil cylinder seat (66) fixedly arranged on a clamping plate seat (65), a third oil cylinder (67) is fixedly arranged on the oil cylinder seat (66), a driving rod (68) is fixedly arranged at the output end of the third oil cylinder (67), and a pressing plate (69) is fixedly connected to the driving rod (68);
the driving rod (68) comprises a driving sleeve (681), the driving sleeve (681) is fixedly arranged at the output end of the third oil cylinder (67), a blind hole (682) is formed in the driving sleeve (681), a driving connecting rod (684) is slidably arranged at the blind hole (682), a connecting spring (683) is arranged in the blind hole (682), and the connecting spring (683) is connected with the driving sleeve (681) and the driving connecting rod (684);
the clamping plate base (61) both sides all are provided with mounting groove (611), slidable mounting has lifter plate (63) on mounting groove (611), clamping plate seat (65) are installed on lifter plate (63) through connecting axle (64) rotation.
2. The device for detecting the bending resistance of the acrylic plastic plate according to claim 1, wherein a connecting plate (13) is fixedly arranged on the rear side of the supporting base (3), and an angle gauge (10) is fixedly arranged at the upper end of the connecting plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310194219.9A CN115950770B (en) | 2023-03-03 | 2023-03-03 | Acrylic plastic sheet material bending resistance detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310194219.9A CN115950770B (en) | 2023-03-03 | 2023-03-03 | Acrylic plastic sheet material bending resistance detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115950770A CN115950770A (en) | 2023-04-11 |
| CN115950770B true CN115950770B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310194219.9A Active CN115950770B (en) | 2023-03-03 | 2023-03-03 | Acrylic plastic sheet material bending resistance detection equipment |
Country Status (1)
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| CN (1) | CN115950770B (en) |
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| CN211589484U (en) * | 2019-12-30 | 2020-09-29 | 天津艺尚装饰工程有限公司 | Decorate panel grinding device for engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2624605A1 (en) * | 1987-12-09 | 1989-06-16 | Armines | Apparatus for carrying out bending tests with four support points |
| KR100672059B1 (en) * | 2004-12-27 | 2007-01-22 | 삼성전자주식회사 | Three-axis bending load testing jig |
| CN209363341U (en) * | 2018-09-19 | 2019-09-10 | 射阳县永安机械有限公司 | A kind of steel plate bending device convenient for measuring bending angle |
| CN211626439U (en) * | 2020-03-24 | 2020-10-02 | 南通航力重工机械有限公司 | Bending degree detection device for plate for bending machine |
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| CN112378438A (en) * | 2020-10-15 | 2021-02-19 | 深圳市鑫达辉软性电路科技有限公司 | Detection apparatus for flexible circuit board production is with soft or hard combination position |
| CN213957036U (en) * | 2020-11-30 | 2021-08-13 | 惠州市盈帆实业有限公司 | Flexible circuit board testing arrangement that buckles |
| CN217132835U (en) * | 2021-08-30 | 2022-08-05 | 重庆胜琦隆科技有限公司 | PCBA board fatigue test device that buckles |
| CN114088542B (en) * | 2022-01-10 | 2022-03-29 | 雷尼尔家具(南通)有限公司 | Plate bending resistance detection equipment |
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| CN217819695U (en) * | 2022-05-20 | 2022-11-15 | 大理衡宇建设工程检测有限公司 | A compressive strength testing arrangement for concrete floor |
| CN217688350U (en) * | 2022-07-15 | 2022-10-28 | 海盐金诚光电科技股份有限公司 | Bending resistance test device for high-hardness bending-resistant PMMA (polymethyl methacrylate) plate |
| CN217954077U (en) * | 2022-07-18 | 2022-12-02 | 安徽天宜建设工程有限公司 | Beam slab bending strength testing device for bridge engineering |
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2023
- 2023-03-03 CN CN202310194219.9A patent/CN115950770B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206392940U (en) * | 2017-01-11 | 2017-08-11 | 深圳市富临厨房设备有限公司 | A kind of plate shearing machine |
| CN211589484U (en) * | 2019-12-30 | 2020-09-29 | 天津艺尚装饰工程有限公司 | Decorate panel grinding device for engineering |
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Denomination of invention: A testing equipment for the bending resistance of acrylic plastic sheets Effective date of registration: 20231223 Granted publication date: 20230714 Pledgee: Bank of Nanjing Co.,Ltd. Taizhou Branch Pledgor: Tomson (Jiangsu) Materials Technology Co.,Ltd. Registration number: Y2023980073700 |