High-precision injection blow hollow forming machine

Abstract

The invention belongs to the technical field of injection blowing hollow forming, and particularly relates to a high-precision injection blowing hollow forming machine which comprises a workbench, a first motor is fixedly connected to the upper surface of the workbench, a conveying pipe is fixedly connected to one side of the first motor, and an auger is fixedly connected to the output end of the first motor; a supporting plate is fixedly connected to the position, close to the fixed tank, of the upper surface of the workbench. A dehumidification assembly is arranged on the supporting plate and comprises an air heater fixedly connected to one side of the supporting frame, a connecting pipe is fixedly connected to one side of the air heater, a fixing ring is fixedly connected to the end, away from the air heater, of the connecting pipe, and a plurality of spraying holes are formed in the inner wall of the fixing ring and used for spraying out hot air; the air heater is arranged, so that the problems that air in bubbles cannot escape in time in the blow molding process and enters the surfaces of bottles, bubbles or pits are formed on the surfaces of the bottles, unqualified bottles are produced, and the production quality is low are solved.

Description

Technical Field

[0001] The present invention belongs to the field of injection blow hollow molding, and specifically relates to a high-precision injection blow hollow molding machine. Background Art

[0002] As an important device in the modern plastic processing field, the injection blow hollow molding machine is mainly used to produce various plastic hollow products, such as bottles, cans, lamp shades, etc., and plays a crucial role especially in fields such as the pharmaceutical, food, and cosmetics packaging industries.

[0003] During the working process of the existing injection blow hollow molding machine, first, plastic particles are poured into a storage tank, then heated and melted into a molten plastic preform. Then, the preform is injected into a mold through an injection system. After the mold is closed, compressed air is blown into the interior of the preform through a blowing system to make it adhere tightly to the inner wall of the mold and initially form the shape of the product. Finally, after a period of cooling and demolding, the finished product can be obtained. However, before pouring the plastic particles into the storage tank, since the plastic particles are all packaged in woven bags, they will absorb moisture in the air during storage. When the plastic particles contain moist components, during the melting process, the moisture will react with certain components in the plastic through hydrolysis to generate gases. These gases cannot be completely discharged in the plastic melt, and will form bubbles during the molding process. The air in these bubbles may not have time to escape during the blow molding process, thus entering the surface of the bottle, causing bubbles or pits on the surface of the bottle and resulting in the production of bottles with unqualified quality and low production quality.

[0004] Therefore, the present invention provides a high-precision injection blow hollow molding machine. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background art.

[0006] The technical solution adopted by the present invention to solve its technical problems is as follows: A high-precision injection blow hollow molding machine of the present invention includes a workbench, a first motor is fixedly connected to the upper surface of the workbench, a transfer pipe is fixedly connected to one side of the first motor, a screw conveyor is fixedly connected to the output end of the first motor, the screw conveyor is located inside the transfer pipe, a fixed tank is fixedly connected to the upper surface of the transfer pipe, and a support plate is fixedly connected to the upper surface of the workbench near the fixed tank; A dehumidification component is arranged on the support plate. The dehumidification component includes a hot air blower fixedly connected to one side of the support frame, a connecting pipe is fixedly connected to one side of the hot air blower, a fixing ring is fixedly connected to the end of the connecting pipe far from the hot air blower, and a plurality of spray holes are opened on the inner wall of the fixing ring for spraying hot air; One side of the workbench is fixedly connected with a fixing frame. The upper surface of the fixing frame is fixedly connected with a pressure pump. The upper surface of the fixing frame is fixedly connected with a fixing pipe. One end of the transfer pipe is fixedly connected with an extrusion head. An extrusion port is formed on the lower surface of the extrusion head. A sliding groove is formed on one side of the workbench. A bottom plate is slidably connected in the sliding groove. Two groups of modules are slidably connected on the upper surface of the bottom plate. Each group of modules includes two molds slidable on the upper surface of the bottom plate. A second cavity is formed inside each mold.

[0007] Preferably, a retaining groove is formed inside the fixing ring. A retaining ring is inserted in the retaining groove. A fixing column is fixedly connected to the upper surface of the retaining ring. A connecting plate is fixedly connected to the upper surface of the fixing column. A positioning plate is fixedly connected to the outer surface of the fixing tank. A first hydraulic cylinder is fixedly connected to the surface of the positioning plate. The output end of the first hydraulic cylinder is fixedly connected to the connecting plate.

[0008] Preferably, a sealing member is arranged on the upper surface of the connecting plate, and a sealing member is also arranged on the lower surface of the connecting plate. The sealing member includes a third cavity formed inside the fixing tank. A telescopic column is fixedly connected to the top wall of the third cavity. A sealing plate is fixedly connected to the bottom end of the telescopic column. A compression spring is sleeved on the circumferential surface of the telescopic column.

[0009] Preferably, a plurality of insertion rods are fixedly connected to the circumferential surface of the retaining ring. Slots are formed in the fixing ring corresponding to each insertion rod.

[0010] Preferably, a top plate is fixedly connected to the upper surface of the fixing tank. A second motor is fixedly connected to the upper surface of the top plate. A stirring paddle is fixedly connected to the output end of the second motor.

[0011] Preferably, the cross-section of the top plate is two-thirds of a circle, and a feeding port is formed on the upper surface of the fixing tank. The feeding port is the missing part of the top plate.

[0012] Preferably, two fixing holes are formed on the surface of the bottom plate. A plurality of slide rails are formed on the upper surface of the bottom plate. A plurality of sliders are slidably connected inside each slide rail. The upper surfaces of every four sliders are fixedly connected to the same mold.

[0013] Preferably, a limiting ring is fixedly connected to the lower surface of each fixing pipe. A first cavity is formed between the fixing pipe and the limiting ring.

[0014] Preferably, two groups of cleaning components are arranged on one side of the workbench. Each group of cleaning components includes a positioning block fixedly connected to one side of the workbench. A rotating plate is rotatably connected to the upper surface of the positioning block. A second hydraulic cylinder is fixedly connected to the lower surface of the rotating plate. A cleaning roller is fixedly connected to the output end of the second hydraulic cylinder.

[0015] Preferably, a chassis is magnetically attracted to the bottom end of the cleaning roller, a magnetic block is fixedly connected to the upper surface of the chassis, and the chassis is magnetically attracted to the bottom surface of the cleaning roller through the magnetic block.

[0016] The beneficial effects of the present invention are as follows: 1. For a high-precision injection blow hollow molding machine of the present invention, by starting the hot air blower, after the hot air blower starts, hot air can be blown into the fixed ring, and then through the spray holes of the fixed ring, the hot air is introduced into the fixed tank. After the hot air is introduced into the fixed tank, it will dry the plastic particles inside the fixed tank, thereby reducing its moisture content, improving the quality of the plastic particles, preventing bubbles from appearing in the melted plastic melt, which may affect the injection blow molding, and achieving a better injection blow effect.

[0017] 2. For a high-precision injection blow hollow molding machine of the present invention, when no hot air is passed through the fixed ring, by starting the first hydraulic cylinder, the first hydraulic cylinder will drive the connecting plate at its output end to move downward. The downward movement of the connecting plate can drive the fixed column to move downward, and the downward movement of the fixed column can drive the retaining ring to insert into the retaining groove of the fixed ring, thereby blocking the spray port of the fixed ring and preventing the melted plastic melt from blocking the spray holes of the fixed ring, achieving the long-term use of the fixed ring and improving the jetting effect of the fixed ring.

[0018] 3. For a high-precision injection blow hollow molding machine of the present invention, during the process of drying the plastic particles inside the fixed tank by the hot air blower, by starting the second motor, the second motor will drive the stirring paddle fixedly connected to its output end to rotate. The stirring paddle is spiral, which can bring the feed particles at the bottom to the upper layer and can carry out the water vapor evaporated by the hot air, preventing it from being trapped in the plastic particles, improving the drying effect, and achieving the melting of the plastic particles into a melt with higher quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 is a perspective view of Embodiment 1 of the present invention; Figure 2 is a schematic structural diagram of the main body of the present invention; Figure 3 is a schematic structural diagram of the fixed tank of the present invention; Figure 4 is a sectional view of the fixed tank of the present invention; Figure 5 is the present invention Figure 4 enlarged view of part A; Figure 6 is a schematic structural diagram of the fixed ring of the present invention; Figure 7 is a schematic structural diagram of the bottom plate of the present invention; Figure 8 is a schematic structural view of the fixing bracket of the present invention; Figure 9 is a schematic structural view of the cleaning roller of the present invention; In the figure: 1, workbench; 2, first motor; 21, conveying pipe; 22, extrusion head; 23, fixing bracket; 24, pressure pump; 25, fixing pipe; 251, limiting ring; 252, first cavity; 26, bottom plate; 261, fixing hole; 27, sliding groove; 28, mold; 29, sliding rail; 210, slider; 211, second cavity; 3, support plate; 31, hot air blower; 32, fixing tank; 33, top plate; 34, second motor; 35, feeding port; 36, stirring paddle; 37, positioning plate; 38, first hydraulic cylinder; 39, connecting plate; 310, fixing column; 311, retaining ring; 312, fixing ring; 313, retaining groove; 314, slot; 315, inserting rod; 316, spraying hole; 317, connecting pipe; 318, third cavity; 319, compression spring; 320, telescopic column; 321, sealing plate; 4, positioning block; 41, rotating plate; 42, second hydraulic cylinder; 43, cleaning roller; 44, magnetic block; 45, chassis. Specific embodiments

[0021] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0022] Example 1: As Figures 1 to 9As shown in the figure, a high-precision injection blow hollow molding machine according to an embodiment of the present invention includes a workbench 1. A first motor 2 is fixedly connected to the upper surface of the workbench 1. A transfer pipe 21 is fixedly connected to one side of the first motor 2. A screw conveyor is fixedly connected to the output end of the first motor 2. The screw conveyor is located inside the transfer pipe 21. A fixed tank 32 is fixedly connected to the upper surface of the transfer pipe 21. A support plate 3 is fixedly connected to the upper surface of the workbench 1 near the fixed tank 32. A dehumidification component is arranged on the support plate 3. The dehumidification component includes a hot air blower 31 fixedly connected to one side of the support frame. A connecting pipe 317 is fixedly connected to one side of the hot air blower 31. One end of the connecting pipe 317 away from the hot air blower 31 is fixedly connected to a fixing ring 312. A plurality of spray holes 316 are formed in the inner wall of the fixing ring 312 for spraying hot air. A fixing frame 23 is fixedly connected to one side of the workbench 1. A pressure pump 24 is fixedly connected to the upper surface of the fixing frame 23. A fixing pipe 25 is fixedly connected to the upper surface of the fixing frame 23. One end of the transfer pipe 21 is fixedly connected to an extrusion head 22. An extrusion port is formed in the lower surface of the extrusion head 22. A chute 27 is formed in one side of the workbench 1. A bottom plate 26 is slidably connected in the chute 27. Two groups of modules are slidably connected to the upper surface of the bottom plate 26. Each group of modules includes two molds 28 slidably arranged on the upper surface of the bottom plate 26. A second cavity 211 is formed in the interior of each mold 28.

[0023] Specifically, in the working process of the existing injection blow hollow molding machine, first, plastic particles are poured into a storage tank, and then heated and melted into a molten plastic preform. Then, the preform is injected into the mold 28 through an injection system. After the mold 28 is closed, compressed air is blown into the interior of the preform through a blowing system, so that it clings to the inner wall of the mold 28 and initially forms the shape of the product. Finally, after a period of cooling and demolding, a finished product can be obtained. However, before the plastic particles are poured into the storage tank, since the plastic particles are all packaged in woven bags, they will absorb moisture in the air during storage. When the plastic particles contain moist components, during the melting process, the moisture will react hydrolytically with some components in the plastic to generate gas. These gases cannot be completely discharged in the plastic melt, and will form bubbles during the molding process. The air in these bubbles may not have time to escape during the blow molding process, and thus enter the surface of the bottle, causing bubbles or pits to form on the surface of the bottle, resulting in the production of bottles with unqualified quality and low production quality. Therefore, the present invention solves this problem by setting a certain structure. First, pour plastic particles into the fixed tank 32 until the plastic particles overflow the fixed ring 312, and then start the hot air blower 31. After the hot air blower 31 is started, hot air can be blown into the fixed ring 312. Then, the hot air is introduced into the fixed tank 32 through the spray holes 316 of the fixed ring 312. After the hot air is introduced into the fixed tank 32, it will dry the plastic particles inside the fixed tank 32, thereby reducing their moisture content, improving the quality of the plastic particles, preventing bubbles from appearing in the melted plastic melt, which may affect injection blow molding, and achieving a better injection blow effect. After drying is completed, the plastic particles in the fixed tank 32 are melted by the heating resistance wire on the inner wall of the fixed tank 32. The melted plastic particles will flow into the transfer pipe 21, and then through the auger in the transfer pipe 21, the plastic melt is transferred to the extrusion head 22. After being transferred to the extrusion head 22, through the bottom plate 26 on one side of the sliding workbench 1, two sets of modules slidably arranged on the upper surface are driven by the bottom plate 26, so that the two molds 28 of one set of modules move to directly below the extrusion port. Then, the auger slowly rotates and extrudes to extrude the plastic melt. Then, the plastic melt enters the second cavity 211 of the two molds 28 in a columnar shape. After extrusion is completed, the two molds 28 are moved to below the fixed pipe 25 through the sliding bottom plate 26. Then, the hydraulic cylinder at the top of the fixed pipe 25 is started to push the fixed pipe 25 into the plastic melt in the two molds 28. Then, the pressure pump 24 is started, and gas is introduced into the plastic melt through the pressure pump 24, so that the plastic melt can be injection blow molded into a hollow shape, and the plastic melt is injection blown into a bottle, thus completing the production of the bottle; Since these plastic particles are all packed in woven bags, they will absorb moisture in the air during storage. When the plastic particles contain moisture, during the melting process, the moisture will undergo a hydrolysis reaction with some components in the plastic, generating gas. These gases cannot be completely discharged in the plastic melt, and will form bubbles during the molding process. The air in these bubbles may not have time to escape during the blow molding process, thus entering the surface of the bottle, causing bubbles or pits to form on the surface of the bottle, resulting in the production of bottles with unqualified quality and low production quality.

[0024] As Figure 6 shown, a retaining groove 313 is opened inside the fixed ring 312 of this embodiment. A retaining ring 311 is inserted into the retaining groove 313. A fixing column 310 is fixedly connected to the upper surface of the retaining ring 311. A connecting plate 39 is fixedly connected to the upper surface of the fixing column 310. A positioning plate 37 is fixedly connected to the outer surface of the fixed tank 32. A first hydraulic cylinder 38 is fixedly connected to the surface of the positioning plate 37. The output end of the first hydraulic cylinder 38 is fixedly connected to the connecting plate 39.

[0025] Specifically, when the fixed ring 312 does not blow hot air, by starting the first hydraulic cylinder 38, the first hydraulic cylinder 38 will drive the connecting plate 39 at its output end to move downward. The downward movement of the connecting plate 39 can drive the fixed column 310 to move downward, and the downward movement of the fixed column 310 can drive the retaining ring 311 to insert into the retaining groove 313 of the fixed ring 312, thereby blocking the nozzle of the fixed ring 312 and preventing the molten plastic melt from blocking the spray holes 316 of the fixed ring 312, achieving the long-term use of the fixed ring 312 and improving the jetting effect of the fixed ring 312.

[0026] As Figure 4 and Figure 5 shown, in this embodiment, a sealing member is provided on the upper surface of the connecting plate 39, and a sealing member is also provided on the lower surface of the connecting plate 39. The sealing member includes a third cavity 318 opened in the fixed tank 32. A telescopic column 320 is fixedly connected to the top wall of the third cavity 318. A sealing plate 321 is fixedly connected to the bottom end of the telescopic column 320, and a compression spring 319 is sleeved on the circumferential surface of the telescopic column 320.

[0027] Specifically, when the connecting plate 39 moves up and down, it will drive the sealing plate 321 in contact with its upper surface, thereby squeezing the sealing plate 321 to retract into the third cavity 318. Then, the sealing plate 321 on the lower surface will push up the sealing plate 321 in contact with the lower surface of the connecting plate 39 under the action of the compression spring 319, thereby preventing the plastic melt from flowing out of the fixed tank 32, achieving the sealing effect of the fixed tank 32.

[0028] As Figure 6 shown, in this embodiment, a plurality of insertion rods 315 are fixedly connected to the circumferential surface of the retaining ring 311, and slots 314 are opened in the fixed ring 312 at positions corresponding to each insertion rod 315.

[0029] Specifically, during the insertion of the retaining ring 311, in order to make the insertion of the retaining ring 311 more stable, a plurality of insertion rods 315 are fixedly connected to the circumferential surface of the retaining ring 311. Then, when the retaining ring 311 is inserted into the retaining groove 313, the insertion rods 315 can also be inserted into the slots 314, achieving the effect that the retaining ring 311 can be stably fixed after being inserted into the retaining groove 313.

[0030] As Figure 3 shown, in this embodiment, a top plate 33 is fixedly connected to the upper surface of the fixed tank 32, a second motor 34 is fixedly connected to the upper surface of the top plate 33, and a stirring paddle 36 is fixedly connected to the output end of the second motor 34.

[0031] Specifically, during the drying process of the plastic particles inside the fixed tank 32 by the hot air blower 31, when the second motor 34 is started, the second motor 34 will drive the stirring paddle 36 fixedly connected to its output end to rotate. The stirring paddle 36 is spiral, which can bring the feed particles at the bottom to the upper layer and carry out the water vapor evaporated by the hot air, preventing it from being trapped in the plastic particles, improving the drying effect, and achieving the melting of the plastic particles into a melt with higher quality.

[0032] As Figure 3 shown, the cross-section of the top plate 33 in this embodiment is two-thirds of a circle, and a feeding port 35 is provided on the upper surface of the fixed tank 32. The feeding port 35 is the missing part of the top plate 33.

[0033] Specifically, by setting the top plate 33 as a plate with a cross-section of two-thirds of a circle, the missing part is transformed into the feeding port 35, so that the plastic particles can be poured from the feeding port 35, improving the working efficiency of injection blow molding.

[0034] As Figure 7 shown, two fixing holes 261 are provided on the surface of the bottom plate 26 in this embodiment, and a plurality of sliding rails 29 are provided on the upper surface of the bottom plate 26. A plurality of sliders 210 are slidably connected inside each sliding rail 29, and the upper surfaces of every four sliders 210 are fixedly connected to the same mold 28.

[0035] Specifically, by providing two fixing holes 261 on the surface of the bottom plate 26, when the blowing of the plastic melt in the two molds 28 by the fixed pipe 25 is completed, at this time, the fixed pipe 25 is not lifted temporarily. By sliding the sliders 210 inside each sliding rail 29, and then separating the molds 28 on both sides of the bottle, due to the limitation of the fixed pipe 25, the bottle can fall vertically and then fall into the fixing holes 261, so as to be collected uniformly, achieving the effect of automatic unloading and improving the efficiency of injection blow hollow molding.

[0036] As Figure 8 shown, a limiting ring 251 is fixedly connected to the lower surface of each fixed pipe 25 in this embodiment, and a first cavity 252 is provided between the fixed pipe 25 and the limiting ring 251.

[0037] Specifically, by fixedly connecting a limiting ring 251 to the lower end of each fixed pipe 25, and then during the downward movement of the fixed pipe 25, by inserting the bottom end of the fixed pipe 25 into the mold 28, then a bottle mouth will be generated through the design of the limiting ring 251 and the first cavity 252, and then the fixed pipe 25 squeezes out air, so that the plastic melt can be blown, thereby improving the production quality of the bottle and also improving the unloading efficiency of the bottle.

[0038] Embodiment 2: As Figures 2 to 9As shown, compared with the first comparative example, another implementation of the present invention is as follows: There are two sets of cleaning components arranged on one side of the workbench 1. Each set of cleaning components includes a positioning block 4 fixedly connected to one side of the workbench 1. The upper surface of the positioning block 4 is rotatably connected to a rotating plate 41. The lower surface of the rotating plate 41 is fixedly connected to a second hydraulic cylinder 42. The output end of the second hydraulic cylinder 42 is fixedly connected to a cleaning roller 43.

[0039] Specifically, after the mold 28 has been used for a period of time, it is necessary to clean the mold 28 regularly because the inner wall of the mold 28 may be complex with plastic residues. In order to prevent these residues from affecting the next injection blow molding, by starting the cleaning components on one side of the workbench 1, the rotating plates 41 rotatably connected to the two positioning blocks 4 can drive the cleaning rollers 43 below them to be placed between the two molds 28. Then, the slider 210 drives the mold 28 to make the two molds 28 close tightly. Then, start the built-in motor of the cleaning roller 43 to clean the interiors of the two molds 28, improving the quality of injection blow molding and enabling the production of more qualified bottles.

[0040] As Figure 9 shown, a chassis 45 is magnetically attracted to the bottom end of the cleaning roller 43 in this embodiment. A magnetic block 44 is fixedly connected to the upper surface of the chassis 45. The chassis 45 is magnetically attracted to the bottom surface of the cleaning roller 43 through the magnetic block 44.

[0041] Specifically, by magnetically attracting the chassis 45 to the bottom surface of the cleaning roller 43, when the cleaning roller 43 finishes cleaning, start the second hydraulic cylinder 42 to drive the magnetic block 44 fixedly connected to its lower surface. The viscous material fixedly connected to the bottom of the magnetic block 44 is used to adhesively clean the plastic removed by cleaning, achieving the effect of protecting the mold 28 and improving the molding quality of the injection blow molding equipment at the same time.

[0042] Working principle: First, pour plastic particles into the fixed tank 32 until the plastic particles overflow the fixed ring 312. Then start the hot air blower 31. After the hot air blower 31 starts, it can blow hot air into the fixed ring 312. Then, the hot air is introduced into the fixed tank 32 through the spray holes 316 of the fixed ring 312. After the hot air is introduced into the fixed tank 32, it will dry the plastic particles inside the fixed tank 32, thereby reducing their moisture content, improving the quality of the plastic particles, preventing bubbles from appearing in the melted plastic melt, which may affect the injection blow molding, and achieving a better injection blow effect. While the hot air blower 31 is drying, start the second motor 34, and the second motor 34 will drive the stirring paddle 36 fixedly connected to its output end to rotate. The stirring paddle 36 is spiral-shaped, which will bring the feed particles at the bottom to the upper layer and can carry out the water vapor evaporated by the hot air, preventing it from being trapped in the plastic particles and improving the drying effect, achieving the melting of the plastic particles into a melt with higher quality; After drying is completed, the plastic particles in the fixed tank 32 are melted by the heating resistance wire on the inner wall of the fixed tank 32. The melted plastic particles will flow into the transfer pipe 21, and then through the auger in the transfer pipe 21, the plastic melt is transferred to the extrusion head 22. After being transferred to the extrusion head 22, through the bottom plate 26 on one side of the sliding workbench 1, two sets of modules slidably arranged on the upper surface are driven by the bottom plate 26, so that the two molds 28 of one set of modules move to directly below the extrusion port. Then, the auger slowly rotates and extrudes to extrude the plastic melt. Then, the plastic melt enters the second cavity 211 of the two molds 28 in a columnar shape. After extrusion is completed, through the sliding bottom plate 26, the two molds 28 are moved to below the fixed pipe 25. Then, by starting the hydraulic cylinder at the top of the fixed pipe 25, the fixed pipe 25 is pushed to insert into the plastic melt in the two molds 28. Then, the pressure pump 24 is started, and gas is introduced into the plastic melt through the pressure pump 24, so that the plastic melt can be injection blow molded into a hollow shape, and the plastic melt is injection blown into a bottle, thus completing the production of the bottle; When the fixed pipe 25 finishes blow molding the plastic melt in the two molds 28, at this time, the fixed pipe 25 is not lifted temporarily. By sliding the sliders 210 in each slide rail 29, and then separating the molds 28 on both sides of the bottle. Due to the limitation of the fixed pipe 25, the bottle can fall vertically and then fall into the fixing holes 261, so as to be collected uniformly, achieving the effect of automatic unloading and improving the efficiency of injection blow molding into a hollow shape; After the mold 28 has been used for a period of time, it is necessary to clean the mold 28 regularly because the inner wall of the mold 28 may be contaminated with plastic residues. In order to prevent these residues from affecting the next injection blow molding in the middle control, the cleaning component on one side of the workbench 1 is started, so that the rotating plate 41 rotatably connected to the two positioning blocks 4 can place the cleaning roller 43 below it between the two molds 28. Then, the mold 28 is driven by the slider 210 to make the two molds 28 close tightly. Then, the built-in motor of the cleaning roller 43 is started to clean the inside of the two molds 28, improving the quality of injection blow molding and being able to produce more qualified bottles.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision injection blow molding machine, characterized in that: The invention comprises a workbench (1), wherein a first motor (2) is fixedly connected to the upper surface of the workbench (1), a conveying pipe (21) is fixedly connected to one side of the first motor (2), an auger is fixedly connected to the output end of the first motor (2), the auger is located inside the conveying pipe (21), a fixing tank (32) is fixedly connected to the upper surface of the conveying pipe (21), and a support plate (3) is fixedly connected to the upper surface of the workbench (1) at a position close to the fixing tank (32); A dehumidification component is provided on the support plate (3), the dehumidification component comprising a hot air blower (31) fixedly connected to one side of the support frame, a connecting pipe (317) fixedly connected to one side of the hot air blower (31), a fixing ring (312) fixedly connected to one end of the connecting pipe (317) away from the hot air blower (31), and a plurality of spray holes (316) are provided on the inner wall of the fixing ring (312) for spraying hot air; A fixing frame (23) is fixedly connected to one side of the workbench (1), a pressure pump (24) is fixedly connected to the upper surface of the fixing frame (23), a fixing pipe (25) is fixedly connected to the upper surface of the fixing frame (23), an extrusion head (22) is fixedly connected to one end of the conveying pipe (21), an extrusion port is provided on the lower surface of the extrusion head (22), a slide groove (27) is provided on one side of the workbench (1), a bottom plate (26) is slidably connected in the slide groove (27), two groups of modules are slidably connected to the upper surface of the bottom plate (26), each group of modules comprises two moulds (28) sliding on the upper surface of the bottom plate (26), and a second cavity (211) is provided inside each of the moulds (28).

2. A high-precision injection blow molding machine according to claim 1, characterized in that: A retaining groove (313) is provided inside the fixing ring (312), a retaining ring (311) is inserted into the retaining groove (313), a fixing column (310) is fixedly connected to the upper surface of the retaining ring (311), a connecting plate (39) is fixedly connected to the upper surface of the fixing column (310), a positioning plate (37) is fixedly connected to the outer surface of the fixing tank (32), a first hydraulic cylinder (38) is fixedly connected to the surface of the positioning plate (37), and an output end of the first hydraulic cylinder (38) is fixedly connected to the connecting plate (39).

3. A high-precision injection blow molding machine according to claim 2, characterized in that: A sealing member is provided on the upper surface of the connecting plate (39), and a sealing member is also provided on the lower surface of the connecting plate (39), wherein the sealing member comprises a third cavity (318) opened in the fixed tank (32), a telescopic column (320) is fixedly connected to the top wall of the third cavity (318), a sealing plate (321) is fixedly connected to the bottom end of the telescopic column (320), and a compression spring (319) is sleeved on the circumferential surface of the telescopic column (320).

4. A high-precision injection blow molding machine according to claim 2, characterized in that: A plurality of insertion rods (315) are fixedly connected to the circumferential surface of the retaining ring (311), and a slot (314) is provided in the fixing ring (312) at a position corresponding to each insertion rod (315).

5. The high-precision injection blow molding machine according to claim 1, characterized in that: A top plate (33) is fixedly connected to the upper surface of the fixed tank (32), a second motor (34) is fixedly connected to the upper surface of the top plate (33), and a stirring paddle (36) is fixedly connected to the output end of the second motor (34).

6. A high-precision injection blow molding machine according to claim 5, characterized in that: The cross section of the top plate (33) is two-thirds of a circle, and a material discharge opening (35) is provided on the upper surface of the fixed tank (32), wherein the material discharge opening (35) is the missing portion of the top plate (33).

7. The high-precision injection blow molding machine according to claim 1, characterized in that: Two fixing holes (261) are provided on the surface of the bottom plate (26), a plurality of slide rails (29) are provided on the upper surface of the bottom plate (26), a plurality of sliders (210) are slidably connected inside each of the slide rails (29), and the upper surfaces of every four sliders (210) are fixedly connected to the same mold (28).

8. The high-precision injection blow molding machine according to claim 1, characterized in that: The lower surface of each fixed tube (25) is fixedly connected to a limiting ring (251), and a first cavity (252) is provided between the fixed tube (25) and the limiting ring (251).

9. A high-precision injection blow molding machine according to claim 8, characterized in that: Two groups of cleaning components are arranged on one side of the workbench (1), each group of cleaning components comprising a positioning block (4) fixedly connected to one side of the workbench (1), the upper surface of the positioning block (4) being rotatably connected to a rotating plate (41), the lower surface of the rotating plate (41) being fixedly connected to a second hydraulic cylinder (42), and the output end of the second hydraulic cylinder (42) being fixedly connected to a cleaning roller (43).

10. A high-precision injection blow molding machine according to claim 9, characterized in that: A bottom end of the cleaning roller (43) is magnetically attracted to a bottom plate (45), an upper surface of the bottom plate (45) is fixedly connected to a magnetic block (44), and the bottom plate (45) is magnetically attracted to the bottom surface of the cleaning roller (43) via the magnetic block (44).

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