High-strength impact-resistant PLA sheet deformation detection device

Abstract

The utility model relates to the technical field of PLA sheet detection, and discloses a high-strength impact-resistant PLA sheet deformation detection device which comprises a device body, a sliding rail base is arranged at the lower end of the device body, side sealing plates are arranged on the left side and the right side of the outer end of the device body, and machine covers are installed on the front side and the rear side of the upper end of the device body through screws. A first support is clamped and installed in the middle of the front end of the device body, a second support is clamped and installed in the middle of the rear end of the device body, and a first detection assembly is installed on the inner side of the front end of the first support in a sleeving mode. According to the utility model, through the tension detection of the first detection assembly, the visual detection of the second detection assembly and the stress detection of the third detection assembly, the deformation problem of the sheet body can be found more quickly and timely in the production process, and meanwhile, the three detection modes are all detected in a signal transmission mode, so that the detection efficiency is greatly improved. Manual participation is not needed, and the detection efficiency and accuracy are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PLA sheet detection, in particular to a deformation detection device for high-strength and impact-resistant PLA sheets. Background Technique

[0002] PLA sheet is a sheet material produced using polylactic acid. Polylactic acid (PLA) is a new type of bio-based and biodegradable material, made from the starch raw materials extracted from renewable plant resources (such as corn). The starch raw materials are saccharified to obtain glucose, and then glucose and certain strains of bacteria are fermented to produce high-purity lactic acid, and then polylactic acid with a certain molecular weight is synthesized through chemical synthesis methods. It has good biodegradability and can be completely degraded by microorganisms in nature under specific conditions after use, ultimately generating carbon dioxide and water without polluting the environment, which is very beneficial to environmental protection and is a recognized environmentally friendly material. It is widely used in the packaging industry, agricultural field, medical and health, textile industry, 3D printing, automotive industry, electronic products, biodegradable plastic products, building materials, etc.

[0003] Currently, when producing existing PLA sheets, it needs to go through the processes of melt extrusion, forming, cooling, cutting, and winding. Among them, after the cooling and cutting processes are completed, the sheet itself will shrink when cooled, resulting in changes in the width and thickness of the PLA sheet itself, causing its own deformation. It is necessary to detect the PLA sheet. The traditional detection method is for manual detection by using a caliper during the production process of the PLA sheet. This detection method has certain errors, and moreover, the detection time interval is very long and the frequency is low, resulting in the inability to detect problems with the PLA sheet in a timely manner, easily causing a large number of defective products. At the same time, after the cutting process is completed, it is also necessary to detect the surface of the PLA sheet to prevent a large number of scratches on the product during the cutting operation, which affects the product quality. The traditional surface detection is also carried out by manual sampling, and there will also be certain loopholes. The efficiency of manual detection is not high. Therefore, it is necessary to provide a new deformation detection device for high-strength and impact-resistant PLA sheets to solve the above problems. Content of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a deformation detection device for high-strength and impact-resistant PLA sheets, which solves the problems of too high error rate, low frequency, and low efficiency in the manual detection of deformation problems during the production process of existing PLA sheets.

[0006] (II) Technical Solutions

[0007] To achieve the above objectives, the utility model is realized through the following technical solutions: a high-strength impact-resistant PLA sheet deformation detection device, including a device body. A slide rail base is provided at the lower end of the device body. Side seal plates are provided on the left and right sides of the outer end of the device body. Machine covers are installed by screws on the front and rear sides of the upper end of the device body. A first bracket is clamped and installed in the middle of the front end of the device body. A second bracket is clamped and installed in the middle of the rear end of the device body. A first detection component is sleeved and installed on the inner side of the front end of the first bracket. A second detection component is installed by screws in the middle of the upper end of the device body. A third detection component is installed by bolts on the inner side of the rear end of the second bracket. A sheet body is provided inside the device body.

[0008] Optionally, the device body includes a box body, an H-shaped plate, mounting holes, guide rods, and threaded holes. An H-shaped plate is provided at the upper end of the box body. Mounting holes are opened on the inner side of the middle of the H-shaped plate. Guide rods are sleeved and installed inside the box body. Threaded holes are opened on both sides of the upper end of the H-shaped plate.

[0009] Optionally, the first detection component includes a right telescopic rod, a left telescopic rod, a clamping plate, a reset clamping plate, a width sensor, and a reinforcement pin. The left telescopic rod is provided on the left side of the right telescopic rod. A clamping plate is installed by threading on the left end of the right telescopic rod. A reset clamping plate is provided on the inner side of the clamping plate. A width sensor is provided on the front side of the right telescopic rod. A reinforcement pin is installed by threading inside the right telescopic rod.

[0010] Optionally, the second detection component includes a mounting plate, a support block, a sliding groove, a tightening block, a light source controller, and an industrial camera. A support block is installed by screws at the upper end of the mounting plate. A sliding groove is opened on the inner side of the upper end of the support block. A tightening block is slidably installed inside the sliding groove. A light source controller is provided below the tightening block. An industrial camera is provided at the lower end of the light source controller.

[0011] Optionally, the third detection component includes a vertical plate, a C-shaped side plate, a spacing adjustment rod, a laser probe, a lower lifting rod, and an upper lifting rod. The C-shaped side plate is provided on the left side of the vertical plate. A spacing adjustment rod is installed by threading in the middle of the right end of the vertical plate. A laser probe is installed by screws on the inner side of the C-shaped side plate. A lower lifting rod is clamped and installed on the left side of the outer end of the laser probe. The upper lifting rod is provided above the lower lifting rod.

[0012] Optionally, tracks are installed by screws on the left and right sides of the upper end of the slide rail base. The side seal plates are symmetrically distributed. There are two machine covers symmetrically distributed front and back. The machine cover is composed of a frame body and a glass cover plate, and double handles are provided on the rear side of the outer end of the glass cover plate. Diagonal rods are provided on the left and right sides of the lower end of the second bracket.

[0013] Optionally, two rows of fixing holes are provided on the front and rear sides of the mounting holes. Seven guide rods are horizontally distributed in a double layer, with five guide rods distributed in the upper layer horizontally and two guide rods distributed in the lower layer horizontally. Four rows of threaded holes are symmetrically distributed in the front and back.

[0014] Optionally, the right telescopic rod and the left telescopic rod are of the same size. The reset clamping plate and the clamping plate are connected by a reset spring rod. The clamping plate, the reset clamping plate, the width sensor and the reinforcing pin are symmetrically distributed.

[0015] In summary, the technical effects and advantages of the present utility model are as follows:

[0016] 1. The structure of the present utility model is reasonable. Through the tension detection of the first detection component, the visual detection of the second detection component and the stress detection of the third detection component, the deformation problem of the sheet body can be found faster and more timely during the production process. At the same time, all three detection methods are detected by signal transmission, without the participation of manual labor, improving the detection efficiency and accuracy.

[0017] 2. In the present utility model, through the provided box body, the first bracket and the second bracket, the first detection component, the second detection component and the third detection component are sequentially assembled and installed together to form a segmented detection device, which performs real-time detection on the sheet body from three aspects: width, thickness and surface defects. The operator can be reminded in time to find and handle the problem at the first time when there is a problem, reducing the probability of generating defective products. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a three-dimensional structural schematic diagram of the device body of the present utility model;

[0020] Figure 3 is a three-dimensional structural schematic diagram of the first detection component of the present utility model;

[0021] Figure 4 is a three-dimensional structural schematic diagram of the second detection component of the present utility model;

[0022] Figure 5 is a three-dimensional structural schematic diagram of the third detection component of the present utility model.

[0023] In the figure: 1. Device body; 2. Slide rail base; 3. Side sealing plate; 4. Machine cover; 5. First bracket; 6. Second bracket; 7. First detection component; 8. Second detection component; 9. Third detection component; 10. Sheet body; 101. Box body; 102. H-shaped plate; 103. Mounting hole; 104. Guide rod; 105. Threaded hole; 701. Right telescopic rod; 702. Left telescopic rod; 703. Clamping plate; 704. Reset clamping plate; 705. Width sensor; 706. Reinforcement pin; 801. Mounting plate; 802. Support block; 803. Chute; 804. Tightening block; 805. Light source controller; 806. Industrial camera; 901. Vertical plate; 902. C-shaped side plate; 903. Spacing adjustment rod; 904. Laser probe; 905. Lower lifting rod; 906. Upper lifting rod. Detailed implementation mode

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Example: Refer to Figures 1 to 5The shown high-strength impact-resistant PLA sheet deformation detection device includes a device body 1. A slide rail base 2 is provided at the lower end of the device body 1. Rails are screw-mounted on the left and right sides of the upper end of the slide rail base 2. Side seal plates 3 are provided on the left and right sides of the outer end of the device body 1, and the side seal plates 3 are symmetrically distributed. Machine covers 4 are screw-mounted on the front and rear sides of the upper end of the device body 1. There are two machine covers 4 symmetrically distributed front and rear. The machine cover 4 is composed of a frame body and a glass cover plate, and double handles are provided on the rear side of the outer end of the glass cover plate. A first bracket 5 is clamped and installed in the middle of the front end of the device body 1, and a second bracket 6 is clamped and installed in the middle of the rear end of the device body 1. Diagonal rods are provided on the left and right sides of the lower end of the second bracket 6. Through the design of the first bracket 5 and the second bracket 6, the stability of the installation structure of the first detection component 7 and the third detection component 9 can be ensured. The first detection component 7 is sleeved and installed on the inner side of the front end of the first bracket 5. A second detection component 8 is screw-mounted in the middle of the upper end of the device body 1. The third detection component 9 is bolt-mounted on the inner side of the rear end of the second bracket 6. A sheet body 10 is provided inside the device body 1; the device body 1 includes a box body 101, an H-shaped plate 102, mounting holes 103, guide rods 104 and threaded holes 105. An H-shaped plate 102 is provided at the upper end of the box body 101. Mounting holes 103 are opened on the inner side of the middle of the H-shaped plate 102. Two rows of fixing holes are opened on the front and rear sides of the mounting holes 103. Guide rods 104 are sleeved and installed inside the box body 101. There are seven guide rods 104 horizontally distributed in two layers, and five guide rods 104 are distributed in the upper horizontal layer and two guide rods 104 are distributed in the lower horizontal layer. Threaded holes 105 are opened on both sides of the upper end of the H-shaped plate 102, and four rows of threaded holes 105 are symmetrically distributed front and rear.

[0026] By providing the H-shaped plate 102, the box body 101 and the machine cover 4 can be installed and connected together to form a semi-closed space, allowing the sheet body 10 to pass through inside along the guide rods 104 at a specific angle. Then, the second detection component 8 will detect the surface of the passing sheet body 10 for defects. The design of the entire semi-closed space can reduce the influence of the external environment during detection. At the same time, the openable and closable design of the machine cover 4 is also convenient for maintenance and repair of the inside of the box body 101 in case of a malfunction.

[0027] As an optional implementation manner in this embodiment, such as Figure 1 and Figure 3As shown in the figure, the first detection component 7 includes a right telescopic rod 701, a left telescopic rod 702, a clamping plate 703, a reset clamping plate 704, a width sensor 705 and a reinforcing pin 706. The left telescopic rod 702 is provided on the left side of the right telescopic rod 701. The right telescopic rod 701 and the left telescopic rod 702 have exactly the same size and structure. The left end of the right telescopic rod 701 is threadedly installed with the clamping plate 703. The inner side of the clamping plate 703 is provided with the reset clamping plate 704. The reset clamping plate 704 is composed of two upper and lower parts. And, rubber balls are embedded on the opposite surfaces of the two reset clamping plates 704. The reset clamping plate 704 and the clamping plate 703 are connected by a reset spring rod. The width sensor 705 is provided on the front side of the right telescopic rod 701. The reinforcing pin 706 is threadedly installed inside the right telescopic rod 701. The clamping plate 703, the reset clamping plate 704, the width sensor 705 and the reinforcing pin 706 are symmetrically distributed. Telescopic springs are installed inside both the right telescopic rod 701 and the left telescopic rod 702. And, a tension sensing device is installed at the tail of the telescopic spring. The tension sensing device and the width sensor 705 are connected together by a wire.

[0028] Through the symmetrical design of the reset clamping plate 704, the passing sheet body 10 can be clamped on both sides. And rubber balls are embedded at the contact end of the reset clamping plate 704 and the sheet body 10, which not only maintains the stability of the clamping but also does not cause scratches on the surface of the sheet body 10. At the same time, since the reset clamping plate 704 is installed inside the clamping plates 703 on both sides, and the clamping plates 703 on both sides are fixed by the right telescopic rod 701 and the left telescopic rod 702. When there is a problem with the overall width of the sheet body 10, the right telescopic rod 701 and the left telescopic rod 702 will contract inward or expand outward, resulting in changes in the telescopic springs inside the right telescopic rod 701 and the left telescopic rod 702, and generating signals in real time to be transmitted to the width sensor 705, so that problems can be discovered and processed in time, reducing the generation of defective products.

[0029] As Figure 1 、 Figure 2 and Figure 4 shown in the figure, in this embodiment, the second detection component 8 includes a mounting plate 801, a support block 802, a chute 803, a tightening block 804, a light source controller 805 and an industrial camera 806. The support block 802 is screw-mounted on the upper end of the mounting plate 801. A chute 803 is opened inside the upper end of the support block 802. The tightening block 804 is slidably installed inside the chute 803. The light source controller 805 is provided below the tightening block 804. The industrial camera 806 is provided at the lower end of the light source controller 805.

[0030] Through the provided sliding groove 803, the tightening block 804 can slide inside, and the distance between the two side light source controllers 805 and the industrial camera 806 can be adjusted according to the width of the sheet body 10 to be detected, so that it can better adapt to the surface defect detection work of sheet bodies 10 of different specifications.

[0031] As Figure 1 and Figure 5 As shown, in this embodiment, the third detection component 9 includes a vertical plate 901, a C-shaped side plate 902, a distance adjustment rod 903, a laser probe 904, a lower lifting rod 905 and an upper lifting rod 906. A C-shaped side plate 902 is provided on the left side of the vertical plate 901. A distance adjustment rod 903 is installed in the middle of the right end of the vertical plate 901 by threading. A laser probe 904 is installed inside the C-shaped side plate 902 by screwing. A lower lifting rod 905 is clamped and installed on the left side of the outer end of the laser probe 904. An upper lifting rod 906 is provided above the lower lifting rod 905. Ball bearings are embedded at the relative contact ends of the lower lifting rod 905 and the upper lifting rod 906. Moreover, signal sensors are installed at the upper and lower ends of the lower lifting rod 905 and the upper lifting rod 906.

[0032] Through the provided lower lifting rod 905 and upper lifting rod 906, during the detection work, the upper and lower ends of the lower lifting rod 905 and the upper lifting rod 906 are respectively in contact with the sheet body 10. When there is a problem with the thickness in the middle of the sheet body 10 itself, it will drive the height of the lower lifting rod 905 and the upper lifting rod 906 to change and generate stress signals. At the same time, when the thickness on both sides of the sheet body 10 changes, it will cause the laser beam emitted by the laser probe 904 to change and generate optical signals. Then, the generated stress signals and optical signals are transmitted to external devices to remind the operator to discover and handle them in time.

[0033] Working principle of this utility model: For this high-strength impact-resistant PLA sheet deformation detection device, through the symmetrical design of the reset clamping plates 704, the passing sheet body 10 can be clamped on both sides. Moreover, rubber balls are embedded at the contact ends of the reset clamping plates 704 and the sheet body 10, which not only maintains the stability of clamping but also will not cause scratches on the surface of the sheet body 10. At the same time, since the reset clamping plates 704 are installed inside the two side clamping plates 703, and the two side clamping plates 703 are fixed by the right telescopic rod 701 and the left telescopic rod 702. When there are problems with the overall width of the sheet body 10, the right telescopic rod 701 and the left telescopic rod 702 will contract inward or expand outward, resulting in changes in the telescopic springs inside the right telescopic rod 701 and the left telescopic rod 702, and generating signals in real time and transmitting them to the width sensor 705, so that problems can be discovered and processed in a timely manner. At the same time, through the provided sliding groove 803, the tightening block 804 can slide inside, and the distance between the two side light source controllers 805 and the industrial cameras 806 can be adjusted according to the width of the sheet body 10 to be detected, so that it can better adapt to the surface defect detection work of sheets of different specifications. Secondly, through the provided lower lifting rod 905 and upper lifting rod 906, when performing detection work, the upper and lower ends of the lower lifting rod 905 and the upper lifting rod 906 are respectively in contact with the sheet body 10. When there are problems with the middle thickness of the sheet body 10 itself, it will drive the heights of the lower lifting rod 905 and the upper lifting rod 906 to change and generate signals. At the same time, when the thickness of both sides of the sheet body 10 changes, it will cause changes in the laser beam emitted by the laser probe 904 and also generate signals. The signals generated by the above two production lines will be transmitted to the signal sensor and then to external equipment, reminding the operator to discover and process in a timely manner and reducing the generation of defective products.

[0034] All the electrical components mentioned in this article are electrically connected to the external main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer for control.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. High-strength impact-resistant PLA sheet deformation detection device, including a device body (1), characterized in that: A slide rail base (2) is provided at the lower end of the device body (1). Side sealing plates (3) are provided on the left and right sides of the outer end of the device body (1). Machine covers (4) are installed by screws on the front and rear sides of the upper end of the device body (1). A first bracket (5) is clamped and installed in the middle of the front end of the device body (1). A second bracket (6) is clamped and installed in the middle of the rear end of the device body (1). A first detection component (7) is sleeved and installed on the inner side of the front end of the first bracket (5). A second detection component (8) is installed by screws in the middle of the upper end of the device body (1). A third detection component (9) is installed by bolts on the inner side of the rear end of the second bracket (6). A sheet body (10) is provided inside the device body (1).

2. The high-strength impact-resistant PLA sheet deformation detection device according to claim 1, characterized in that: The device body (1) includes a box body (101), an H-shaped plate (102), a mounting hole (103), a guide rod (104), and a threaded hole (105). An H-shaped plate (102) is provided at the upper end of the box body (101). A mounting hole (103) is opened on the inner side of the middle of the H-shaped plate (102). A guide rod (104) is sleeved and installed inside the box body (101). Threaded holes (105) are opened on both sides of the upper end of the H-shaped plate (102).

3. The high-strength impact-resistant PLA sheet deformation detection device according to claim 1, characterized in that: The first detection component (7) includes a right telescopic rod (701), a left telescopic rod (702), a clamping plate (703), a reset clamping plate (704), a width sensor (705), and a reinforcement pin (706). The left telescopic rod (702) is provided on the left side of the right telescopic rod (701). The clamping plate (703) is installed by threading on the left end of the right telescopic rod (701). The reset clamping plate (704) is provided on the inner side of the clamping plate (703). The width sensor (705) is provided on the front side of the right telescopic rod (701). The reinforcement pin (706) is installed by threading inside the right telescopic rod (701).

4. The high-strength impact-resistant PLA sheet deformation detection device according to claim 1, characterized in that: The second detection component (8) includes a mounting plate (801), a support block (802), a sliding groove (803), a tightening block (804), a light source controller (805), and an industrial camera (806). The support block (802) is installed by screws on the upper end of the mounting plate (801). A sliding groove (803) is opened on the inner side of the upper end of the support block (802). The tightening block (804) is slidably installed inside the sliding groove (803). The light source controller (805) is provided below the tightening block (804). The industrial camera (806) is provided at the lower end of the light source controller (805).

5. The high-strength impact-resistant PLA sheet deformation detection device according to claim 1, characterized in that: The third detection component (9) includes a vertical plate (901), a C-shaped side plate (902), a spacing adjustment rod (903), a laser probe (904), a lower lifting rod (905) and an upper lifting rod (906). A C-shaped side plate (902) is provided on the left side of the vertical plate (901). The spacing adjustment rod (903) is threadedly installed in the middle of the right end of the vertical plate (901). The laser probe (904) is screwed and installed inside the C-shaped side plate (902). The lower lifting rod (905) is clamped and installed on the left side of the outer end of the laser probe (904). The upper lifting rod (906) is provided above the lower lifting rod (905).

6. The high-strength impact-resistant PLA sheet deformation detection device according to claim 1, wherein: Tracks are screwed and installed on the left and right sides of the upper end of the slide rail base (2). The side sealing plates (3) are symmetrically distributed. There are two machine covers (4) symmetrically distributed in the front and back. The machine cover (4) is composed of a frame body and a glass cover plate, and double handles are provided on the rear side of the outer end of the glass cover plate. Diagonal rods are provided on the left and right sides of the lower end of the second bracket (6).

7. The high-strength impact-resistant PLA sheet deformation detection device according to claim 2, wherein: Two rows of fixing holes are provided on the front and rear sides of the mounting hole (103). Seven guide rods (104) are horizontally double-layered, and five guide rods (104) are horizontally distributed in the upper layer and two in the lower layer. Four rows of threaded holes (105) are symmetrically distributed in the front and back.

8. The high-strength impact-resistant PLA sheet deformation detection device according to claim 3, wherein: The right telescopic rod (701) and the left telescopic rod (702) are of the same size. The reset clamping plate (704) and the clamping plate (703) are connected by a reset spring rod. The clamping plate (703), the reset clamping plate (704), the width sensor (705) and the reinforcement pin (706) are symmetrically distributed.

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