Blow molding device of plastic chemical storage tank

Abstract

The invention relates to the technical field of chemical storage tank forming, and particularly discloses a plastic chemical storage tank blow molding device which comprises a blow molding machine base and a workbench, the workbench is located at one end of the top of the blow molding machine base, and a first connecting plate is installed on the outer wall of one side of the blow molding machine base and located above the workbench; a blow molding mechanism is mounted at the bottom of the first connecting plate, limiting mechanisms capable of moving in the horizontal direction are mounted at the two ends of the outer wall of the first connecting plate correspondingly, each limiting mechanism comprises a first mounting plate and a third mounting plate, and one end of the outer wall of each first mounting plate is connected with one side of the first connecting plate. The top of the third mounting plate is connected with the bottom of the corresponding first mounting plate, an abutting plate capable of moving in the horizontal direction is mounted on the outer wall of one side of the third mounting plate, and a plurality of first air holes are formed in the two sides of the outer wall of the abutting plate. And through a photosensitive sensor, it is guaranteed that when specific shading chemical raw materials are stored in the subsequent plastic tank, the chemical raw materials are not affected by illumination.

Description

Technical Field

[0001] The present invention relates to the technical field of chemical storage tank forming, and particularly to a blow molding device for a plastic chemical storage tank. Background Art

[0002] Chemical plastic storage tanks are devices for storing chemical raw materials. The device uses polypropylene, reinforced polypropylene, and pure polyethylene as raw materials, and extrusion blow molding is a common method for manufacturing hollow thermoplastic parts. Therefore, during the production of chemical plastic tanks, a blow molding device is required to complete the production of chemical storage tanks.

[0003] In the actual production process of existing plastic chemical storage tanks, due to the different storage environments required for chemical raw materials, when the storage environment of chemical raw materials is relatively harsh, the storage effect of plastic chemical tanks cannot be detected and monitored in a timely manner during the production process, which may lead to certain safety hazards during the actual use of plastic chemical tanks and affect the overall quality of the products. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies existing in the prior art and propose a blow molding device for a plastic chemical storage tank.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions: A blow molding device for a plastic chemical storage tank, including a blow molding machine base and a workbench. The workbench is located at one end of the top of the blow molding machine base. A first connecting plate is installed on the outer wall of one side of the blow molding machine base and above the workbench. A blow molding mechanism is installed at the bottom of the first connecting plate. Limiting mechanisms that can move horizontally are installed at both ends of the outer wall of the first connecting plate. The limiting mechanism includes a first mounting plate and a third mounting plate. One end of the outer wall of the first mounting plate is connected to one side of the first connecting plate. The top of the third mounting plate is connected to the bottom of the corresponding first mounting plate. A pressing plate that can move horizontally is installed on the outer wall of one side of the third mounting plate. A plurality of first air holes are provided on both sides of the outer wall of the pressing plate.

[0006] Preferably, a second support plate is installed at one end of the outer wall of one side of the blow molding machine base. The top of the second support plate is connected to one end of the bottom of the first connecting plate. A blow molding top plate is installed on the top of the first connecting plate. A feeding pipe is connected to the top of the blow molding top plate. A blow molding head is installed at the bottom of the first connecting plate. The blow molding head penetrates through the blow molding top plate and is communicated with the feeding pipe.

[0007] Preferably, seventh electric telescopic rods are installed between the two sides of the outer wall of the first connecting plate and the corresponding first mounting plates. A sixth electric telescopic rod is installed between the first mounting plate and the corresponding third mounting plate. A first electric telescopic rod is installed on one side outer wall of the third mounting plate. The extending end of the first electric telescopic rod is connected to one side of the corresponding pressing plate. A first electric rotating rod is also installed between the third mounting plate and the corresponding sixth electric telescopic rod.

[0008] Preferably, a second electric telescopic rod is installed on the other side outer wall of the third mounting plate. One end of the second electric telescopic rod is installed with a detection plate. A plurality of first detection strips are installed on one side outer wall of the detection plate along the length direction.

[0009] Preferably, a second connecting plate is installed on one side outer wall of the second support plate. The blow molding mechanism is rotatably connected to the second connecting plate. The blow molding mechanism includes a first mold and a second mold. Both the first mold and the second mold are rotatably connected to the second connecting plate through a second electric rotating rod.

[0010] Preferably, a plurality of first chutes are opened at the top of the workbench. First electric sliders are slidably installed inside the first chutes. A fourth electric telescopic rod is installed on the top of the first electric slider. A limiting piece is installed on the top of the fourth electric telescopic rod. A first hydraulic telescopic rod is installed between the bottom of the workbench and one end of the top of the blow molding machine base.

[0011] Preferably, the other end of one side outer wall of the blow molding machine base is installed with a first support plate. A second chute is opened on one side outer wall of the first support plate along its vertical direction. A second electric slider is slidably installed inside the second chute. A second mounting plate is installed on one side outer wall of the second electric slider.

[0012] Preferably, a rubber sheet is installed at the bottom of the second mounting plate. A second detection strip is rotatably installed at the bottom of the second mounting plate. And the second detection strip penetrates through the rubber sheet. A photosensitive sensor is installed at the bottom of the second detection strip.

[0013] Preferably, a third electric rotating rod is installed at the bottom of the second mounting plate. The bottom of the third electric rotating rod is connected to the top of the second detection strip. A plurality of second air holes are opened on the outer wall of the second detection strip.

[0014] Preferably, a third electric telescopic rod is installed at the other end of the top of the workbench. A fifth mounting plate is installed on the top of the third electric telescopic rod. A fifth electric telescopic rod is installed on one side outer wall of the fifth mounting plate. The extending end of the fifth electric telescopic rod is installed with a fourth mounting plate. A third chute is opened on one side outer wall of the fourth mounting plate along the width direction. Two third electric sliders are slidably installed inside the third chute. Clamping pieces are installed on one side outer walls of the third electric sliders. A fourth electric rotating rod is also installed between the bottom of the third electric telescopic rod and the top of the blow molding machine base.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the invention, by setting a third mounting plate and abutment plate, the position of the butt plate is adjusted by the first electric telescopic rod, so that the first air holes on one side of the two buttment plates can blow the plastic cans that have been blown and shaped, which can not only blow away the plastic particles attached to the outside of the plastic cans, but also perform secondary cooling on the shaped plastic cans. By adjusting the position of the third mounting plate, various parts of the outside of the plastic cans can be blown; then the third mounting plate is rotated by the corresponding first electric rotating rod, so that the two detection plates can press and detect the blow-molded chemical plastic cans to test the pressure resistance of the chemical plastic cans and prevent them from being damaged during actual use, making the chemical raw material plastic cans safer and more reliable.

[0016] 2. In the invention, by setting a fourth electric telescopic rod and a limit plate, the position of the corresponding limit plate can be adjusted by sliding the first electric slider inside the first slide groove, so that the limit plate is located below the bottom opening of the strip plastic raw material. At this time, the position of the limit plate is adjusted by the corresponding fourth electric telescopic rod, so that the four limit plates can be inserted into the plastic raw material from the opening at the bottom of the plastic raw material, and the four first electric sliders slide synchronously, so that the four limit plates perform a spreading movement together, and then the unformed plastic raw material is simply spread open to prevent the inner wall of the plastic raw material from sticking before blow molding and affecting the subsequent blow molding operation.

[0017] 3. In the invention, by setting a rubber sheet and a photosensitive sensor, when the plastic tank is moved to the bottom of the second mounting plate and aligned, the second mounting plate is slid downward so that the second mounting plate can be completely covered on the top of the plastic tank. At the same time, the setting of the rubber sheet can ensure that the second mounting plate is sealed and covered on the top of the plastic tank. At this time, the entire plastic tank is in a sealed state. The photosensitive sensor can detect the light intensity inside the plastic tank. If there is a gap inside the plastic tank, it can be detected by the photosensitive sensor. When the photosensitive sensor receives a light signal, it means that there is a gap inside the plastic tank. If there is no gap inside the plastic tank, the light intensity inside the plastic tank can also be detected by the photosensitive sensor. According to the light intensity, it can be judged whether the plastic tank can ensure that the chemical raw materials will not be affected by light when the specific light-shielding chemical raw materials are stored in the subsequent plastic tank, thereby further ensuring the storage effect of the chemical barrel, ensuring the storage safety and improving the overall quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 An axonometric view of a blow molding device for a plastic chemical storage tank proposed by the present invention; Figure 2 It is a schematic diagram of the structure of the first supporting plate and the second supporting plate in the present invention; Figure 3 It is a structural schematic diagram of the first mounting plate and the third mounting plate in the present invention; Figure 4 Schematic diagram of the structure of the third mounting plate and the detection plate in the present invention; Figure 5 Schematic diagram of the structure of the first connecting plate and the blow molding head in the present invention; Figure 6 Schematic diagram of the structure of the second connecting plate and the workbench in the present invention; Figure 7 Schematic diagram of the structure of the workbench and the limiting piece in the present invention; Figure 8 Schematic diagram of the structure of the second mounting plate and the second detection strip in the present invention; Figure 9 Schematic diagram of the structure of the blow molding machine base and the second mounting plate in the present invention; Figure 10 is Figure 9 enlarged view at position A in; Figure 11 Schematic diagram of the structure of the fourth mounting plate and the fifth mounting plate in the present invention; Figure 12 Schematic diagram of the structure of the first mounting plate and the seventh electric telescopic rod in the present invention; Figure 13 Schematic diagram of the structure of the third mounting plate and the first electric rotating rod in the present invention.

[0019] In the figure: 1. Blow molding machine base; 2. Workbench; 3. First hydraulic telescopic rod; 4. First support plate; 5. Second support plate; 6. Blow molding top plate; 7. First connecting plate; 8. First mold; 9. Second mold; 10. First mounting plate; 11. Second mounting plate; 12. Third mounting plate; 13. Detection plate; 14. First electric telescopic rod; 15. Baffle plate; 16. First air hole; 17. First detection strip; 18. Second electric telescopic rod; 19. Third electric telescopic rod; 20. Fourth mounting plate; 21. Blow molding head; 22. Second detection strip; 23. Second connecting plate; 24. First sliding groove; 25. Fourth electric telescopic rod; 26. Limiting piece; 27. Second sliding groove; 28. Second electric slider; 29. Rubber sheet; 30. Photosensitive sensor; 31. Second air hole; 32. Fifth mounting plate; 33. Fifth electric telescopic rod; 34. Third sliding groove; 35. Third electric slider; 36. Clamping piece; 37. Sixth electric telescopic rod; 38. Seventh electric telescopic rod; 39. First electric rotating rod. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with 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 belong to the scope of protection of the present invention.

[0021] Referring to Figures 1-13 , a blow molding device for a plastic chemical storage tank, includes a blow molding machine base 1 and a workbench 2. The workbench 2 is located at one end of the top of the blow molding machine base 1. A first connecting plate 7 is installed on the outer wall of one side of the blow molding machine base 1 and above the workbench 2. A blow molding mechanism is installed at the bottom of the first connecting plate 7. Limiting mechanisms that can move horizontally are installed at both ends of the outer wall of the first connecting plate 7. The limiting mechanism includes a first mounting plate 10 and a third mounting plate 12. One end of the outer wall of the first mounting plate 10 is connected to one side of the first connecting plate 7. The top of the third mounting plate 12 is connected to the bottom of the corresponding first mounting plate 10. A pressing plate 15 that can move horizontally is installed on the outer wall of one side of the third mounting plate 12. A plurality of first air holes 16 are opened on both sides of the outer wall of the pressing plate 15.

[0022] As a technical optimization scheme of the present invention, a second support plate 5 is installed at one end of the outer wall of one side of the blow molding machine base 1. The top of the second support plate 5 is connected to one end of the bottom of the first connecting plate 7. A blow molding top plate 6 is installed on the top of the first connecting plate 7. A feeding pipe is connected to the top of the blow molding top plate 6. A blow molding head 21 is installed at the bottom of the first connecting plate 7. The blow molding head 21 penetrates through the blow molding top plate 6 and is communicated with the feeding pipe.

[0023] As a technical optimization scheme of the present invention, seventh electric telescopic rods 38 are installed between the outer walls of both sides of the first connecting plate 7 and the corresponding first mounting plates 10. A sixth electric telescopic rod 37 is installed between the first mounting plate 10 and the corresponding third mounting plate 12. A first electric telescopic rod 14 is installed on the outer wall of one side of the third mounting plate 12. The extending end of the first electric telescopic rod 14 is connected to one side of the corresponding pressing plate 15. A first electric rotating rod 39 is also installed between the third mounting plate 12 and the corresponding sixth electric telescopic rod 37.

[0024] As a technical optimization scheme of the present invention, a second electric telescopic rod 18 is installed on the outer wall of the other side of the third mounting plate 12. A detection plate 13 is installed at one end of the second electric telescopic rod 18. A plurality of first detection strips 17 are installed along the length direction on the outer wall of one side of the detection plate 13.

[0025] As a technical optimization solution of the present invention, a second connecting plate 23 is installed on the outer wall of one side of the second support plate 5, and the blow molding mechanism is rotatably connected to the second connecting plate 23. The blow molding mechanism includes a first mold 8 and a second mold 9. Both the first mold 8 and the second mold 9 are rotatably connected to the second connecting plate 23 through a second electric rotating rod, and the first mold 8 and the second mold 9 can perform wrapping operations repeatedly. After the first mold 8 and the second mold 9 are completely opened, the first mounting plate 10 is retracted and reset by the corresponding seventh electric telescopic rod 38 to prepare for subsequent blow molding work. When the blow molding head 21 outputs a certain amount of plastic raw material, at this time, the position of the corresponding limiting piece 26 can be adjusted by sliding the first electric slider inside the first chute 24, so that the limiting piece 26 is located below the bottom opening of the strip-shaped plastic raw material. At this time, the position of the limiting piece 26 is adjusted by the corresponding fourth electric telescopic rod 25, so that the four limiting pieces 26 can be inserted into the plastic raw material from the opening at the bottom of the plastic raw material. The four first electric sliders slide synchronously, so that the four limiting pieces 26 perform a common expanding movement, and then the unfixed plastic raw material is simply expanded to prevent the inner wall of the plastic raw material from sticking before blow molding, which affects the subsequent blow molding operation. The first mold 8 and the second mold 9 are an integral body.

[0026] As a technical optimization solution of the present invention, a plurality of first chutes 24 are opened at the top of the workbench 2. A first electric slider is slidably installed inside the first chute 24. The top of the first electric slider is installed with a fourth electric telescopic rod 25. The top of the fourth electric telescopic rod 25 is installed with a limiting piece 26. A first hydraulic telescopic rod 3 is installed between the bottom of the workbench 2 and one end of the top of the blow molding machine base 1. When continuously producing some plastic cans with relatively thin thickness and relatively easy chemical raw material storage environment, at this time, due to the relatively thin thickness of the plastic cans, the corresponding limiting pieces 26 are not used to expand the plastic raw material. Therefore, when the first mold 8 and the second mold 9 complete the blow molding operation, the first mounting plate 10 and the third mounting plate 12 can perform the above-mentioned detection, blowing and other operations on the plastic cans that have completed the blow molding operation, while the first mold 8 and the second mold 9 continue to carry out subsequent blow molding production. After corresponding position adjustment during actual use, they do not affect each other and can perform rapid continuous production during actual use, thus greatly improving production efficiency.

[0027] As a technical optimization solution of the present invention, at the other end of the outer wall of one side of the blow molding machine base 1, a first support plate 4 is installed. A second chute 27 is opened on the outer wall of one side of the first support plate 4 along its vertical direction. A second electric slider 28 is slidably installed inside the second chute 27. A second mounting plate 11 is installed on the outer wall of one side of the second electric slider 28.

[0028] As a technical optimization solution of the present invention, a rubber sheet 29 is installed at the bottom of the second mounting plate 11. A second detection strip 22 is rotatably installed at the bottom of the second mounting plate 11, and the second detection strip 22 penetrates through the rubber sheet 29. A photosensitive sensor 30 is installed at the bottom of the second detection strip 22. Slide the second mounting plate 11 downward so that the second mounting plate 11 can completely cover the top of the plastic can. At the same time, the rubber sheet 29 can ensure that the second mounting plate 11 is sealed and covered on the top of the plastic can. At this time, the entire plastic can is in a sealed state. The photosensitive sensor 30 can detect the light intensity inside the plastic can. If there is a gap inside the plastic can, it can be detected by the photosensitive sensor 30. When the photosensitive sensor 30 receives a light signal, it means that there is a gap inside the plastic can; if there is no gap inside the plastic can, the photosensitive sensor 30 can also detect the light intensity inside the plastic can, and judge whether the plastic can can ensure that the chemical raw materials will not be affected by light when storing specific light-shielding chemical raw materials in the subsequent plastic can, further ensuring the storage effect of the chemical barrel and the safety of storage.

[0029] As a technical optimization solution of the present invention, a third electric rotating rod is installed at the bottom of the second mounting plate 11. The bottom of the third electric rotating rod is connected to the top of the second detection strip 22. A plurality of second air holes 31 are formed in the outer wall of the second detection strip 22.

[0030] As a technical optimization solution of the present invention, a third electric telescopic rod 19 is installed at the other end of the top of the workbench 2. A fifth mounting plate 32 is installed at the top of the third electric telescopic rod 19. A fifth electric telescopic rod 33 is installed on the outer wall of one side of the fifth mounting plate 32. The extending end of the fifth electric telescopic rod 33 is installed with a fourth mounting plate 20. A third chute 34 is formed in the outer wall of one side of the fourth mounting plate 20 along the width direction. Two third electric sliders 35 are slidably installed in the third chute 34. A clamping piece 36 is installed on the outer wall of one side of the third electric slider 35. A fourth electric rotating rod is also installed between the bottom of the third electric telescopic rod 19 and the top of the blow molding machine base 1. After the detection operation is completed, the qualified plastic cans can be transported to the next-level processing by an external manipulator, while the unqualified ones are uniformly transported out and discarded by the manipulator.

[0031] When the present invention is in use, the whole device is placed at a predetermined use position and powered on, and then the blow molding production of plastic chemical barrels can be started. During the blow molding production of plastic chemical barrels, the feeding device transports the plastic raw materials to be blow molded out through the feed pipe to the blow molding head 21. At this time, the first hydraulic telescopic rod 3 is used to lift the workbench 2, so that the workbench 2 is located below the first mold 8 and the second mold 9. By rotating the corresponding second electric rotating rod, the first mold 8 and the second mold 9 are rotated open to both sides. During the rotation process, the distance between the corresponding first mounting plates 10 can be adjusted by the corresponding seventh electric telescopic rod 38 to prevent the third mounting plate 12 from affecting the opening operation of the first mold 8 and the second mold 9. When the first mold 8 and the second mold 9 are completely opened, the first mounting plate 10 is contracted and reset by the corresponding seventh electric telescopic rod 38 to prepare for the subsequent blow molding work; when the blow molding head 21 outputs a certain amount of plastic raw materials, at this time, the position of the corresponding limiting piece 26 can be adjusted by sliding the first electric slider inside the first chute 24, so that the limiting piece 26 is located below the bottom opening of the strip-shaped plastic raw materials. At this time, the position of the limiting piece 26 is adjusted by the corresponding fourth electric telescopic rod 25, so that the four limiting pieces 26 can be inserted into the plastic raw materials from the opening at the bottom of the plastic raw materials. The four first electric sliders slide synchronously, so that the four limiting pieces 26 perform a common spreading movement, and then the undeformed plastic raw materials are simply spread, preventing the inner wall of the plastic raw materials from sticking before blow molding and affecting the subsequent blow molding operation.

[0032] After the spreading operation of the undeformed plastic raw materials is completed, at this time, the position of the third mounting plate 12 is adjusted by the seventh electric telescopic rod 38 to prevent the third mounting plate 12 from affecting the mold closing operation of the first mold 8 and the second mold 9. During the mold closing process, as shown in the appendix Figure 6 shown, the first hydraulic telescopic rod 3 is contracted to adjust the position of the workbench 2, and then it is located close to the appendix Figure 6During the descent of the workbench 2, two of the limiting pieces 26 on both sides of the base 1 of the middle blow molding machine extend the fourth electric telescopic rod 25, so that the above two limiting pieces 26 can continue to expand the unformed plastic raw material, assisting the subsequent blow molding operation; after the first mold 8 and the second mold 9 are closed, the two limiting pieces 26 that continue to expand are retracted at the start of the blow molding operation; during the blow molding process, the movement of the third mounting plate 12 in the vertical direction is adjusted by the sixth electric telescopic rod 37, and the position of the corresponding abutting plate 15 is adjusted by the first electric telescopic rod 14. The abutting plate 15 is moved to the top of the first mold 8 and the second mold 9, and then the two abutting plates 15 perform a shearing movement through the corresponding first electric telescopic rod 14 to perform a preliminary shearing operation on the plastic raw material, facilitating the subsequent blanking after the chemical plastic tank is shaped; in addition, during the blow molding and shaping of the plastic chemical storage barrel, the position of the two abutting plates 15 can be adjusted, and the two abutting plates 15 can be adjusted to the lower part of the first mold 8 and the second mold 9 to cut the excess plastic raw material at the bottom of the plastic chemical storage tank, improving production efficiency. The cut plastic waste can be taken away by an external manipulator for recycling. It should be noted that the second connecting plate 23 is slidably connected to the second support plate 5 in the vertical direction, and the second connecting plate 23 can slide in the vertical direction. Therefore, the two abutting plates 15 perform a shearing operation on the top of the first mold 8 and the second mold 9. And during the continuous production of plastic tanks, the excess plastic raw material at the connection between plastic raw materials can be sheared by the two abutting plates 15, and the subsequent excess waste is removed by an external manipulator to prevent the part at the connection between plastic raw materials from affecting the product quality of the overall plastic tank.

[0033] After the blow molding operation is completed, adjust the positions of the first mounting plate 10 and the third mounting plate 12 to prevent the first mounting plate 10 and the third mounting plate 12 from affecting the subsequent mold opening operation of the first mold 8 and the second mold 9; then the first mold 8 and the second mold 9 are opened outward synchronously. At this time, adjust the position of the workbench 2 through the first hydraulic telescopic rod 3, and at the same time slide the first electric slider inside each first chute 24, and adjust the position of the limiting piece 26 through the corresponding first electric slider, so that the four limiting pieces 26 can clamp and fix the bottom of the plastic chemical barrel after blow molding, which is convenient for blanking; at the same time, adjust the position of the third mounting plate 12 in the horizontal and vertical directions through the corresponding seventh electric telescopic rod 38 and the sixth electric telescopic rod 37, so that the third mounting plate 12 can be located on one side of the corresponding plastic barrel to prepare for subsequent detection and blowing operations of the plastic barrel. Then, adjust the position of the pressing plate 15 through the first electric telescopic rod 14, so that the first air holes 16 on one side of the two pressing plates 15 can blow the blow-molded and shaped plastic can. This can not only blow away the plastic particles attached to the outside of the plastic can, but also perform secondary cooling on the shaped plastic can. By adjusting the position of the third mounting plate 12, each part outside the plastic can can be blown; then rotate the third mounting plate 12 through the corresponding first electric rotating rod 39, so that the two detection plates 13 can press and detect the blow-molded chemical plastic can, and test the compressive capacity of the chemical plastic can, making the chemical raw material plastic can safer and more reliable during actual use; by adjusting the position of the third mounting plate 12 through the sixth electric telescopic rod 37, the first detection strip 17 on the outer wall of the corresponding detection plate 13 can be used to perform a friction test on the outer wall of the plastic can, ensuring the quality of the plastic can and preventing the plastic can from having quality problems resulting in chemical raw material leakage during the subsequent actual transportation and use of the plastic can. When the compressive scratch test of the plastic can is completed, adjust the position of the fourth mounting plate 20 in the vertical direction through the third electric telescopic rod 19, adjust the position of the fourth mounting plate 20 through the fifth electric telescopic rod 33, and then slide the third electric slider 35 inside the third chute 34, and adjust the position of the clamping piece 36 through the corresponding third electric slider 35, so that the two clamping pieces 36 can clamp the shaped plastic can. During the clamping process, adjust the height of the workbench 2 through the first hydraulic telescopic rod 3, so that each limiting piece 26 releases the fixation of the plastic can to prevent the limiting piece 26 from affecting the clamping operation of the two clamping pieces 36; after the two clamping pieces 36 clamp the plastic can, place the plastic can directly below the second mounting plate 11 and the second detection strip 22, waiting for subsequent detection operations.

[0034] In addition, it should be noted that when the plastic can moves to directly below the second mounting plate 11 and the second detection strip 22, the above blow molding operation can be repeated to produce the next plastic can. At the same time, during the transportation of the two clamping pieces 36, since the second connecting plate 23 is slidably connected to the second support plate 5 in the vertical direction, the positions of the first mold 8 and the second mold 9 can be adjusted by sliding the second connecting plate 23 downward, so that there is enough space for the first mold 8 and the second mold 9 to open. Then, the position of the third mounting plate 12 is moved downward by the sixth electric telescopic rod 37, and the positions of the pressing plate 15 and the first air hole 16 are adjusted so that the pressing plate 15 is located between the first mold 8 and the second mold 9, and then the first air hole 16 blows and cleans the inner walls of the corresponding first mold 8 and the second mold 9, which can prevent plastic waste residues from adhering to the inside of the first mold 8 and the second mold 9 and affecting the subsequent blow molding operation. A first blower can be installed on the outer wall of one side of the workbench 2, and the air outlet of the first blower is connected to the corresponding first air hole 16 through a pipeline, so that the first air hole 16 can blow air outwards.

[0035] When continuously producing some relatively thin plastic cans, since the plastic cans are relatively thin at this time, the corresponding limiting pieces 26 are not used to expand the plastic raw materials. Therefore, when the first mold 8 and the second mold 9 complete the blow molding operation, the first mounting plate 10 and the third mounting plate 12 can perform operations such as detecting and blowing the plastic cans that have completed the blow molding operation, while the first mold 8 and the second mold 9 continue the subsequent blow molding production. After corresponding position adjustments during actual use, they do not affect each other and can perform rapid continuous production during actual use, thus greatly improving the production efficiency. The produced plastic cans can be clamped and moved by the clamping pieces 36 and sent to the subsequent inspection.

[0036] After the plastic tank is moved below the second mounting plate 11 and aligned, slide the second electric slider 28 inside the second chute 27 to adjust the position of the second mounting plate 11 by sliding the second electric slider 28, and make the second detection strip 22 at the bottom of the second mounting plate 11 extend into the plastic tank. At the same time, continue to slide the second mounting plate 11 downward so that the second mounting plate 11 can completely cover the top of the plastic tank. At the same time, the rubber sheet 29 can ensure that the second mounting plate 11 is sealed and covered on the top of the plastic tank. At this time, the whole plastic tank is in a sealed state. The photosensitive sensor 30 can detect the light intensity inside the plastic tank. If there is a gap inside the plastic tank, it can be detected by the photosensitive sensor 30. When the photosensitive sensor 30 receives a light signal, it means that there is a gap inside the plastic tank; if there is no gap inside the plastic tank, the photosensitive sensor 30 can also detect the light intensity inside the plastic tank, and judge whether the plastic tank can ensure that the chemical raw materials will not be affected by light when storing specific light-shielding chemical raw materials in the subsequent plastic tank, further ensuring the storage effect of the chemical barrel and the safety of storage; A pressure sensor is also installed on the outer wall of the second test strip 22, which can be combined with the pressure sensor 30 through the second air hole 31. After blowing a preset amount of gas into the plastic tank through the second air hole 31, the control system in the background detects whether there is an obvious change in the pressure sensor, and then the air pressure digital change degree can be used to more detailedly test whether there is an airtightness problem with the plastic tank, ensuring the safety of subsequent storage and then ensuring the accuracy of the detection result. The photosensitive sensor 30 can adopt the model GVGR T10GD, and the pressure sensor model adopts BMP085. After completing the above detection operation, the qualified plastic tanks can be transported to the next-level processing by an external manipulator, while the unqualified ones are uniformly transported out and discarded by the manipulator.

[0037] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor limit the invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the relevant art can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A blow molding device for a plastic chemical storage tank, comprising a blow molding machine base (1) and a workbench (2), characterized in that, The workbench (2) is located at one end of the top of the blow molding machine base (1). A first connecting plate (7) is installed on the outer wall of one side of the blow molding machine base (1) and above the workbench (2). A blow molding mechanism is installed at the bottom of the first connecting plate (7). Limiting mechanisms that can move horizontally are installed at both ends of the outer wall of the first connecting plate (7). The limiting mechanism includes a first mounting plate (10) and a third mounting plate (12). One end of the outer wall of the first mounting plate (10) is connected to one side of the first connecting plate (7). The top of the third mounting plate (12) is connected to the bottom of the corresponding first mounting plate (10). A pressing plate (15) that can move horizontally is installed on the outer wall of one side of the third mounting plate (12). A plurality of first air holes (16) are opened on both sides of the outer wall of the pressing plate (15).

2. The blow molding device of a plastic chemical storage tank according to claim 1, wherein, One end of the outer wall of one side of the blow molding machine base (1) is provided with a second support plate (5). The top of the second support plate (5) is connected to one end of the bottom of the first connecting plate (7). A blow molding top plate (6) is installed on the top of the first connecting plate (7). A feeding pipe is connected to the top of the blow molding top plate (6). A blow molding head (21) is installed at the bottom of the first connecting plate (7). The blow molding head (21) penetrates through the blow molding top plate (6) and is communicated with the feeding pipe.

3. The blow molding device for a plastic chemical storage tank according to claim 2, characterized in that, Seventh electric telescopic rods (38) are installed between the outer walls on both sides of the first connecting plate (7) and the corresponding first mounting plates (10). A sixth electric telescopic rod (37) is installed between the first mounting plate (10) and the corresponding third mounting plate (12). A first electric telescopic rod (14) is installed on the outer wall of one side of the third mounting plate (12). The extending end of the first electric telescopic rod (14) is connected to one side of the corresponding pressing plate (15). A first electric rotating rod (39) is also installed between the third mounting plate (12) and the corresponding sixth electric telescopic rod (37).

4. A blow molding device for a plastic chemical storage tank according to claim 3, characterized in that, A second electric telescopic rod (18) is installed on the outer wall of the other side of the third mounting plate (12). A detection plate (13) is installed at one end of the second electric telescopic rod (18). A plurality of first detection strips (17) are installed along the length direction on the outer wall of one side of the detection plate (13).

5. The blow molding device for a plastic chemical storage tank according to claim 2, characterized in that, A second connecting plate (23) is installed on the outer wall of one side of the second support plate (5). The blow molding mechanism is rotatably connected to the second connecting plate (23). The blow molding mechanism includes a first mold (8) and a second mold (9). Both the first mold (8) and the second mold (9) are rotatably connected to the second connecting plate (23) through second electric rotating rods.

6. A blow molding device for a plastic chemical storage tank according to claim 1, characterized in that, A plurality of first chutes (24) are opened on the top of the workbench (2). First electric sliders are slidably installed inside the first chutes (24). A fourth electric telescopic rod (25) is installed on the top of the first electric slider. A limiting piece (26) is installed on the top of the fourth electric telescopic rod (25). A first hydraulic telescopic rod (3) is installed between the bottom of the workbench (2) and one end of the top of the blow molding machine base (1).

7. The blow molding device for a plastic chemical storage tank according to claim 6, characterized in that, At the other end of the outer wall on one side of the blow molding machine base (1), a first support plate (4) is installed. On the outer wall of the first support plate (4), a second sliding groove (27) is formed along its vertical direction. A second electric slider (28) is slidably installed inside the second sliding groove (27). On the outer wall of the second electric slider (28), a second mounting plate (11) is installed.

8. The blow molding device of a plastic chemical storage tank according to claim 7, characterized in that, A rubber sheet (29) is installed at the bottom of the second mounting plate (11). A second detection strip (22) is rotatably installed at the bottom of the second mounting plate (11), and the second detection strip (22) penetrates through the rubber sheet (29). A photosensitive sensor (30) is installed at the bottom of the second detection strip (22).

9. A blow molding device for a plastic chemical storage tank according to claim 8, characterized in that, A third electric rotating rod is installed at the bottom of the second mounting plate (11). The bottom of the third electric rotating rod is connected to the top of the second detection strip (22). A plurality of second air holes (31) are formed on the outer wall of the second detection strip (22).

10. The blow molding device for a plastic chemical storage tank according to claim 6, characterized in that, At the other end of the top of the workbench (2), a third electric telescopic rod (19) is installed. The top of the third electric telescopic rod (19) is installed with a fifth mounting plate (32). On the outer wall of the fifth mounting plate (32), a fifth electric telescopic rod (33) is installed. The extending end of the fifth electric telescopic rod (33) is installed with a fourth mounting plate (20). On the outer wall of the fourth mounting plate (20), a third sliding groove (34) is formed along the width direction. Two third electric sliders (35) are slidably installed inside the third sliding groove (34). On the outer wall of the third electric slider (35), a clamping piece (36) is installed. A fourth electric rotating rod is also installed between the bottom of the third electric telescopic rod (19) and the top of the blow molding machine base (1).

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