Efficient PC bottle production equipment and production method
By introducing feeding devices, injection bottle preform components, heating devices, blow molding components and clamping devices into the PC bottle production equipment, the problems of low production efficiency of PC bottles and unstable transfer of finished bottles in the prior art are solved, and efficient production and stable transfer are achieved.
Patent Information
- Application Number
- CN202411540771.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-03-11
AI Technical Summary
In the prior art, the production efficiency of PC bottles is low, and the finished bottles are unstable during the transfer process, which affects the production capacity of PC bottles.
Provided is a highly efficient PC bottle production equipment and production method, including feeding device, injection bottle preform assembly, heating device, blow molding assembly and clamping device. Through the coordinated control of hydraulic motor and electric cylinder, rapid cooling, uniform heating, stretching and blow molding are achieved, and the finished bottle is transferred stably and quickly through the clamping device.
The production efficiency and capacity of PC bottles are improved, and the stability and efficiency of the finished bottles during the transfer process are ensured through the use of clamping devices.
Smart Images
Figure CN119589931A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of plastic product forming devices, in particular to a high-efficiency PC bottle production device and a production method. Background Art
[0002] PC bottle refers to a bottle-shaped container made of polycarbonate. As a drinking water bucket, PC bottle has the advantages of safety, durability, transparency and portability. In the prior art, the production of PC bottles is usually completed by blow molding, which is divided into injection blow molding, extrusion blow molding and stretch blow molding. Injection blow molding is to first make a bottom bottle blank of plastic by injection molding, and then transfer the bottle blank to the blow molding mold for blow molding; the extrusion blow molding process is that the tube blank is directly extruded by the extruder and hung in the pre-separated cavity installed just below the head of the machine. When the drooping blank reaches the specified length, the mold is immediately closed, and the tube blank is cut by the cut of the mold. Compressed air is introduced from the small hole on the parting surface of the mold to make the blank inflate and close to the mold wall to form. The pressure is maintained, and the product is cooled and shaped in the cavity before the mold is opened to take out the product.
[0003] However, the production efficiency of PC bottles in the prior art is low, and the finished bottles are unstable during the transfer process, which affects the production capacity of PC bottles. In view of this, we propose an efficient PC bottle production equipment and production method. Summary of the invention
[0004] The object of the present invention is to provide an efficient PC bottle production device and production method to solve the problems raised in the above background technology.
[0005] To achieve the above object, the present invention provides the following technical solutions:
[0006] On the one hand, the present invention provides a high-efficiency PC bottle production equipment, including a base, a fixing frame is fixedly installed on the top left side of the base, a feeding device is arranged on the top right side of the base, electric telescopic rods are arranged at the four corners of the bottom of the fixing frame, the bottom end of the electric telescopic rod is fixedly arranged on the base, an injection bottle blank assembly is arranged on the right side of the bottom of the fixing frame, the injection bottle blank assembly is connected to a mold temperature controller through a pipeline, the bottom of the injection bottle blank assembly is fixedly connected to the feeding device, a heating device is arranged on the rear side of the bottom of the fixing frame, a blow molding assembly is arranged on the left side of the bottom of the fixing frame, a transfer assembly is arranged on the front side of the bottom of the fixing frame, a hydraulic motor is arranged on the top of the fixing frame, the output end of the hydraulic motor passes through the fixing frame and is connected to a rotating shaft, the bottom end of the rotating shaft is fixedly connected to a support plate, and a clamping device is fixedly arranged on the bottom of the support plate.
[0007] Preferably, the feeding device includes a feeding hopper, a drying barrel and a feeding barrel. The feeding hopper is arranged on the top of the drying barrel, and the bottom of the drying barrel is connected to the feeding barrel. A feeding rotating hydraulic cylinder is arranged at the right end of the feeding barrel, and a screw is arranged inside the feeding barrel. The right end of the screw is fixedly connected to the output end of the feeding rotating hydraulic cylinder, a heating coil is sleeved on the outside of the feeding barrel, and a nozzle is arranged at the left end of the feeding barrel, and the nozzle is fixedly connected to the bottom of the injection bottle blank assembly.
[0008] Preferably, the injection preform assembly includes a preform mold and a core rod, the preform mold is fixed on the base through a bracket, a first electric cylinder is fixedly arranged on one side of the top of the fixing frame, the output end of the first electric cylinder passes through the fixing frame and is fixedly connected to the core rod, a through hole for the core rod to pass through is opened on the support plate, an annular tooth plate is fixedly and coaxially arranged at the bottom of the through hole, and the core rod cooperates with the preform mold.
[0009] Preferably, the blow molding assembly includes a first mold, a second mold, and a stretching rod that cooperate with each other. A second electric cylinder is arranged on the side of the top of the fixed frame away from the first electric cylinder. The first electric cylinder and the second electric cylinder are symmetrically arranged about the hydraulic motor. The output end of the second electric cylinder passes through the fixed frame and is fixedly connected to the stretching rod. The interior of the stretching rod is hollow to form an air channel. High-pressure air is connected to one side of the top of the stretching rod through a pipeline, and air holes are evenly opened on the side walls of the stretching rod.
[0010] Preferably, guide posts and guide holes are provided on the sides opposite to the second mold, and the guide posts and guide holes of the first mold are respectively arranged corresponding to the guide holes and guide posts of the second mold. The sides of the first mold and the second mold away from each other are respectively connected with first cylinders, and the first cylinders are arranged on the base through a fixed frame. Guide rails are also arranged between the first cylinders, and the bottoms of the first mold and the second mold are slidably connected to the guide rails through sliders.
[0011] Preferably, the transfer assembly includes a conveyor belt and two electric rollers, the conveyor belt passes around the two electric rollers to form a closed loop, the two electric rollers are fixed on the front side of the base through support columns, baffles are provided on both sides of the conveyor belt, and the bottom of the baffles is fixedly connected to the support columns.
[0012] Preferably, the clamping device includes a second cylinder, a fixing frame, a connecting rod, and a clamping arm, the second cylinder is fixedly arranged at the bottom of the supporting plate through a bracket, the output end of the second cylinder is transmission-connected to a side of the fixing frame away from the through hole, the bottom of the supporting plate is provided with a T-shaped slide groove, the top of the fixing frame is fixedly provided with a T-shaped block, the T-shaped block is slidably arranged in the T-shaped slide groove, a fixing column is symmetrically arranged on one side of the bottom of the fixing frame close to the through hole, a threaded rod is rotatably arranged between the two fixing columns through a bearing, the threads at both ends of the threaded rod are opposite, a forward and reverse motor is fixedly arranged on the outside of a fixing column, the output shaft of the forward and reverse motor passes through the fixing column and is transmission-connected with the threaded rod, the two ends of the threaded rod are symmetrically threadedly connected with connecting rods, the other end of the connecting rod is fixedly connected with a clamping arm, positioning plates are symmetrically arranged on the upper and lower sides of the connecting rod, the positioning plates are clearance-matched with the connecting plates, and the two ends of the positioning plate are respectively fixedly connected to the fixing columns.
[0013] On the other hand, the present invention provides a method for producing an efficient PC bottle, using the above-mentioned production equipment, comprising the following steps:
[0014] S1. Add PC raw materials from the feed hopper, dry them in the drying barrel and then enter the feed barrel;
[0015] S2, the electric telescopic rod controls the fixed frame to move downward, and then the first electric cylinder controls the core rod to move downward and cooperate with the preform mold, the feed cylinder heats and melts the PC raw material, and squeezes the PC raw material into the preform mold through the feed rotary liquid cylinder, and obtains the preform after cooling;
[0016] S3, the electric telescopic rod controls the fixed frame to move upward and reset, the first electric cylinder controls the core rod to move upward and reset, the hydraulic motor controls the support plate to rotate 90 degrees, and the preform is moved to the heating device for heating;
[0017] S4, continue to control the support plate to rotate 90 degrees through the hydraulic motor, the first mold and the second mold cooperate with each other, first control the stretching rod to move downward through the second electric cylinder to stretch the preform, and then use high-pressure air to instantly blow-mold the preform, and the first mold, the second mold, and the stretching rod are reset;
[0018] S5. Continue to control the support plate to rotate 90 degrees through the hydraulic motor, and use the clamping device to clamp the formed PC bottle and transfer it to the transfer component.
[0019] Preferably, the temperature in the drying cylinder is 110-120°C, and the heating temperature of the feeding cylinder is 260-300°C.
[0020] Preferably, in step S2, the preform mold and the core rod are cooled by a mold temperature controller, and the pressure of the mold temperature controller is 6-7 kg / cm 3The flow rate is 200-210L / min, the temperature range is 30-60℃, the mold temperature controller refrigerant is controlled by a chiller, and the temperature range is 15~18℃.
[0021] Compared with the prior art, the present invention has the following beneficial effects:
[0022] 1. In the high-efficiency PC bottle production equipment, the raw materials enter the injection preform assembly through the feeding device to form a preform, and the injection preform assembly is quickly cooled by the mold temperature controller. After the preform is evenly heated by the heating device, it is stretched and blown into a finished bottle by the blow molding assembly, and the finished bottle is clamped by the clamping device at the bottom of the support plate and transferred to the transfer assembly for subsequent packaging processing, which improves the production efficiency of PC bottles. The finished bottles can be stably and quickly transferred by the clamping device, which improves the efficiency and stability of the transfer.
[0023] 2. The refrigerant of the mold temperature controller in this high-efficiency PC bottle production equipment is controlled by a water chiller, and the temperature range is controlled at 15-18°C, which enhances the stability of the refrigerant of the mold temperature controller; at the same time, the pressure of the mold temperature controller is reduced from 3-3.5 kg / cm 3 Increase to 6~7kg / cm 3 The flow rate is increased from 100-120L / min in the existing technology to 200-210L / min, and the temperature range of the mold temperature controller is reduced from 50-75℃ in the existing technology to 30-60℃, which improves the cooling effect of the preform mold and core rod, and the production capacity of PC bottles is increased by 20%. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0025] Figure 2 For the present invention Figure 1 A magnified view of the structure at center A;
[0026] Figure 3 It is a schematic structural diagram of the bottom of the support plate in the present invention.
[0027] In the figure: 1, base; 2, fixed frame; 21, hydraulic motor; 211, rotating shaft; 22, support plate; 221, T-shaped slide; 23, clamping device; 231, second cylinder; 232, fixed frame; 2321, T-shaped block; 2322, fixed column; 23221, forward and reverse motor; 233, connecting rod; 2331, positioning plate; 234, clamping arm; 235, threaded rod; 24, first electric cylinder; 25, second electric cylinder; 3, feeding device; 31, feeding hopper; 32, drying barrel; 33, feeding barrel; 34. Feed rotary liquid cylinder; 35. Nozzle; 4. Electric telescopic rod; 5. Injection preform assembly; 51. Preform mold; 52. Core rod; 521. Through hole; 522. Annular tooth plate; 6. Heating device; 7. Blow molding assembly; 71. First mold; 72. Second mold; 73. Stretching rod; 731. Air through hole; 74. Guide column; 75. Guide hole; 76. First cylinder; 77. Guide rail; 78. Slider; 8. Transfer assembly; 81. Conveyor belt; 82. Electric roller; 83. Support column; 84. Baffle. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0030] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.
[0032] Example 1
[0033] See also Figure 1-Figure 3 As shown, a high-efficiency PC bottle production equipment provided by the present invention comprises a base 1, a fixing frame 2 is fixedly installed on the top of the left side of the base 1, a feeding device 3 is arranged on the right side of the top of the base 1, and electric telescopic rods 4 are arranged at the four corners of the bottom of the fixing frame 2. The bottom end of the electric telescopic rod 4 is fixedly arranged on the base 1, and the lifting of the fixing frame 2 is controlled by the electric telescopic rod 4. An injection bottle blank assembly 5 is arranged on the right side of the bottom of the fixing frame 2, and the injection bottle blank assembly 5 is connected to a mold temperature controller (not shown in the figure) through a pipeline. The bottom of the injection bottle blank assembly 5 is fixedly connected to the feeding device 3, and the raw material enters the injection bottle blank assembly 5 through the feeding device 3 to form a bottle blank, and the injection bottle blank assembly is controlled by the mold temperature controller. The fixing frame 2 is provided with a heating device 6 at the rear side of the bottom, a blow molding assembly 7 is provided at the left side of the bottom of the fixing frame 2, and the preform is evenly heated by the heating device 6 and stretched and blown into a finished bottle by the blow molding assembly 7. A transfer assembly 8 is provided at the front side of the bottom of the fixing frame 2, and a hydraulic motor 21 is provided at the top of the fixing frame 2. The output end of the hydraulic motor 21 passes through the fixing frame 2 and is connected to a rotating shaft 211. The bottom end of the rotating shaft 211 is fixedly connected to a support plate 22, and a clamping device 23 is fixedly provided at the bottom of the support plate 22. The finished bottle is clamped by the clamping device 23 and transferred to the transfer assembly 8, and the finished bottle is subsequently packaged.
[0034] As a preferred implementation of this embodiment, the feeding device 3 includes a feeding hopper 31, a drying barrel 32, and a feeding barrel 33. The feeding hopper 31 is arranged at the top of the drying barrel 32, and the bottom of the drying barrel 32 is connected to the feeding barrel 33. A feeding rotary liquid cylinder 34 is arranged at the right end of the feeding barrel 33, and a screw is arranged inside the feeding barrel 33. The right end of the screw is fixedly connected to the output end of the feeding rotary liquid cylinder 34. A heating coil is sleeved on the outside of the feeding barrel 33, and a nozzle 35 is arranged at the left end of the feeding barrel 33. The nozzle 35 is fixedly connected to the bottom of the injection bottle blank assembly 5. When in use, the PC raw material enters the drying barrel 32 through the feeding hopper 31, enters the feeding hopper 31 after being dried by the drying barrel, and is heated, melted and stirred evenly in the feeding hopper 31. At the same time, the heated and molten PC raw material is squeezed to the injection bottle blank assembly 5 through the nozzle 35 through the feeding rotary liquid cylinder 34 to be processed into a bottle blank.
[0035] In this embodiment, the injection preform assembly 5 includes a preform mold 51 and a core rod 52. The preform mold 51 is fixedly arranged on the base 1 through a bracket. A first electric cylinder 24 is fixedly arranged on one side of the top of the fixing frame 2. The output end of the first electric cylinder 24 passes through the fixing frame 2 and is fixedly connected to the core rod 52. The lifting and lowering of the core rod 52 is controlled by the first electric cylinder 24. A through hole 521 for the core rod 52 to pass through is opened on the support plate 22. An annular tooth plate 522 is fixedly arranged coaxially at the bottom of the through hole 521. The core rod 52 cooperates with the preform mold 51 and is controlled to cool by a mold temperature controller. When in use, the hydraulic motor 21 controls the support plate 22 to move downward until the annular tooth plate 522 abuts against the bottle blank mold 51, and the first electric cylinder 24 controls the core rod 52 to move downward and cooperate with the bottle blank mold 51. The heated and molten raw material is injected into the inside of the bottle blank mold 51 through the nozzle 35, and then the core rod 52 and the mold cavity of the bottle blank mold 51 are quickly cooled by the mold temperature controller to cool the bottle blank into shape.
[0036] In this embodiment, the blow molding assembly 7 includes a first mold 71, a second mold 72, and a stretching rod 73 that cooperate with each other. A second electric cylinder 25 is arranged on the side of the top of the fixed frame 2 away from the first electric cylinder 24. The first electric cylinder 24 and the second electric cylinder 25 are symmetrically arranged about the hydraulic motor 21. The output end of the second electric cylinder 25 passes through the fixed frame 2 and is fixedly connected to the stretching rod 73. When the support plate 22 rotates 180° to transfer the bottle blank to the blow molding assembly 7, the second electric cylinder 25 controls the stretching rod 73 to move downward from the through hole of the support plate 22. The stretching rod 73 is hollow inside to form an air channel. High-pressure air is connected to one side of the top of the stretching rod 73 through a pipeline. Air holes 731 are evenly opened on the side wall of the stretching rod 73. The stretching rod 73 is first moved downward to stretch the bottle blank, and then the high-pressure air is used to instantly blow the bottle blank into shape.
[0037] Further, the first mold 71 and the second mold 72 are both provided with a guide column 74 and a guide hole 75 on the side opposite to each other. The guide column 74 and the guide hole 75 of the first mold 71 are respectively provided corresponding to the guide hole 75 and the guide column 74 of the second mold 72. The first mold 71 and the second mold 72 are respectively connected with a first cylinder 76 on the side away from each other. The first cylinder 76 is provided on the base 1 through a fixing frame. A guide rail 77 is also provided between the first cylinders 76. The bottoms of the first mold 71 and the second mold 72 are respectively slidably connected to the guide rail 77 through a slider 78. When in use, the sliders 78 of the first mold 71 and the second mold 72 are controlled by the first cylinder 76 to move relative to each other along the guide rail 77, so that the guide column 74 and the guide hole 75 of the first mold 71 are respectively matched with the guide hole 75 and the guide column 74 of the second mold 72, so as to prevent the first mold 71 and the second mold 72 from offsetting during the movement.
[0038] In this embodiment, the transfer component 8 includes a conveyor belt 81 and two electric rollers 82. The conveyor belt 81 bypasses the two electric rollers 82 to form a closed loop. The two electric rollers 82 are fixed on the front side of the base 1 through support columns 83. Baffles 84 are provided on both sides of the conveyor belt 81. The bottom of the baffle 84 is fixedly connected to the support column 83. The baffle 84 can prevent the finished bottles from falling during the transfer process.
[0039] In this embodiment, the clamping device 23 includes a second cylinder 231, a fixing frame 232, a connecting rod 233, and a clamping arm 234. The second cylinder 231 is fixedly arranged at the bottom of the support plate 22 through a bracket. The output end of the second cylinder 231 is transmission-connected to a side of the fixing frame 232 away from the through hole. A T-shaped groove 221 is provided at the bottom of the support plate 22 near the through hole. A T-shaped block 2321 is fixedly arranged at the top of the fixing frame 232. The T-shaped block 2321 is slidably arranged in the T-shaped groove 221. The fixing frame 232 is controlled to move in the T-shaped groove 221 by the second cylinder 231. A fixed groove 221 is symmetrically arranged at the bottom of the fixing frame 232 near the through hole. A fixed column 2322, a threaded rod 235 is rotatably arranged between the two fixed columns 2322 through a bearing, the threads at both ends of the threaded rod 235 are opposite, a forward and reverse motor 23221 is fixedly arranged on the outer side of one fixed column 2322, the output shaft of the forward and reverse motor 23221 passes through the fixed column 2322 and is transmission-connected with the threaded rod 235, the two ends of the threaded rod 235 are symmetrically threadedly connected with connecting rods 233, the other end of the connecting rod 233 is fixedly connected with a clamping arm 234, the upper and lower sides of the connecting rod 233 are symmetrically arranged with positioning plates 2331, the positioning plates 2331 are clearance-matched with the connecting plates 233, and the two ends of the positioning plates 2331 are respectively fixedly connected to the fixed column 2322. When in use, the clamping arm 234 is moved to the specified position by the second cylinder 231, and the forward and reverse motor 23221 is used to control the rotation of the threaded rod 235, so that the two connecting rods 233 drive the clamping arm 234 to move relative to each other and clamp the finished bottle, and then the finished bottle is transferred to the transfer assembly 8 through the second cylinder 231. The forward and reverse motor 23221 controls the threaded rod 235 to rotate in the opposite direction, so that the clamping arm 234 releases the finished bottle. At the same time, the positioning plates 2331 on both sides can support and position the connecting rod 233 to prevent the connecting rod 233 from rotating with the threaded rod 235.
[0040] When the high-efficiency PC bottle production equipment of this embodiment is in use, the PC raw material enters the drying cylinder 32 through the feed hopper 31, and enters the feed hopper 31 after being dried by the drying cylinder, and is heated, melted and evenly stirred in the feed hopper 31; the hydraulic motor 21 controls the support plate 22 to move downward until the annular tooth plate 522 abuts against the bottle blank mold 51, and the first electric cylinder 24 controls the core rod 52 to move downward and cooperate with the bottle blank mold 51, and at the same time, the heated and molten PC raw material is squeezed to the injection bottle blank assembly 5 through the nozzle 35 through the feed rotary hydraulic cylinder 34, and then the core rod 52 and the mold cavity of the bottle blank mold 51 are quickly cooled by the mold temperature controller to cool the bottle blank; the electric telescopic rod 4 controls the fixed frame 2 to move upward and reset, the first electric cylinder 24 controls the core rod 52 to move upward and reset, and the support plate 22 is controlled by the hydraulic motor 21 to rotate 90°, and the bottle blank is moved to the heating device 6 for heating; the support plate 22 is controlled by the hydraulic motor 21 to rotate 90°, and the first mold 7 is controlled by the first cylinder 76 The slider 78 of the first mold 71 and the second mold 72 move relatively along the guide rail 77, so that the guide column 74 and the guide hole 75 of the first mold 71 correspond to the guide hole 75 and the guide column 74 of the second mold 72 respectively, and the second electric cylinder 25 controls the stretching rod 73 to move downward from the through hole of the support plate 22, firstly, the stretching rod 73 is moved downward to stretch the preform, and then the preform is blow-molded instantly by high-pressure air, and the first mold 71 and the second mold 72 and the stretching rod 73 are reset; the clamping arm 234 is moved to the specified position by the second cylinder 231, and the threaded rod 235 is controlled to rotate by the forward and reverse motor 23221, so that the two connecting rods 233 drive the clamping arm 234 to move relatively and clamp the finished bottle, and then the finished bottle is transferred to the transfer assembly 8 by the second cylinder 231, and the forward and reverse motor 23221 controls the threaded rod 235 to rotate in the opposite direction, so that the clamping arm 234 releases the finished bottle; the support plate 22 is controlled by the hydraulic motor 21 to rotate 90 degrees, and the next production cycle is continued.
[0041] Example 2
[0042] An efficient PC bottle production method, using the production equipment in Example 1, comprises the following steps:
[0043] S1, PC raw materials are added from the feed hopper 31, dried in the drying cylinder 32 and then enter the feed cylinder 33;
[0044] S2, the electric telescopic rod 4 controls the fixed frame 2 to move downward, and then the first electric cylinder 24 controls the core rod 52 to move downward and cooperate with the preform mold 51, the feed cylinder 33 heats and melts the PC raw material, and squeezes the PC raw material into the preform mold 51 through the feed rotary liquid cylinder 34, and obtains the preform after cooling;
[0045] S3, the electric telescopic rod 4 controls the fixing frame 2 to move upward and reset, the first electric cylinder 24 controls the core rod 52 to move upward and reset, and the hydraulic motor 21 controls the support plate 22 to rotate 90 degrees, and the preform is moved to the heating device 6 for heating;
[0046] S4, continue to control the support plate 22 to rotate 90 degrees through the hydraulic motor 21, the first mold 71 and the second mold 72 cooperate with each other, first control the stretching rod 73 to move downward to stretch the preform through the second electric cylinder 25, and then use high-pressure air to instantly blow-mold the preform, and the first mold 71, the second mold 72, and the stretching rod 73 are reset;
[0047] S5. Continue to control the support plate 22 to rotate 90° through the hydraulic motor 21, and use the clamping device 23 to clamp the formed PC bottle and transfer it to the transfer component 9.
[0048] In this embodiment, the temperature in the drying cylinder 32 is 110-120°C, and the heating temperature of the feeding cylinder 33 is 260-300°C.
[0049] In the present embodiment, in step S2, the preform mold 51 and the core rod 52 are cooled by a mold temperature controller, and the pressure of the mold temperature controller is 6-7 kg / cm 3 The flow rate is 200-210L / min, the temperature range is 30-60℃, the mold temperature controller refrigerant is controlled by a chiller, and the temperature range is 15~18℃.
[0050] Compared with the prior art, the refrigerant of the mold temperature machine in this embodiment is controlled by a chiller, and the temperature range is controlled at 15-18°C, thereby enhancing the stability of the refrigerant of the mold temperature machine; at the same time, the pressure of the mold temperature machine is reduced from 3-3.5 kg / cm 3 Increase to 6~7kg / cm 3 The flow rate is increased from 100-120L / min in the existing technology to 200-210L / min, and the temperature range of the mold temperature controller is reduced from 50-75℃ in the existing technology to 30-60℃, which improves the cooling effect of the preform mold and core rod, and the production capacity of PC bottles is increased by 20%.
[0051] 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. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. An efficient PC bottle production device, comprising a base (1), a fixing frame (2) is fixedly mounted on the top left side of the base (1), characterized in that: A feeding device (3) is arranged on the right side of the top of the base (1); electric telescopic rods (4) are arranged at the four corners of the bottom of the fixed frame (2); the bottom end of the electric telescopic rod (4) is fixedly arranged on the base (1); an injection preform assembly (5) is arranged on the right side of the bottom of the fixed frame (2); the injection preform assembly (5) is connected to a mold temperature controller through a pipeline; the bottom of the injection preform assembly (5) is fixedly connected to the feeding device (3); a heating device (6) is arranged on the rear side of the bottom of the fixed frame (2); a blow molding assembly (7) is arranged on the left side of the bottom of the fixed frame (2); a transfer assembly (8) is arranged on the front side of the bottom of the fixed frame (2); a hydraulic motor (21) is arranged on the top of the fixed frame (2); the output end of the hydraulic motor (21) passes through the fixed frame (2) and is connected to a rotating shaft (211); the bottom end of the rotating shaft (211) is fixedly connected to a support plate (22); and a clamping device (23) is fixedly arranged on the bottom of the support plate (22).
2. The high-efficiency PC bottle production equipment according to claim 1 is characterized in that: The feeding device (3) comprises a feeding hopper (31), a drying cylinder (32) and a feeding cylinder (33). The feeding hopper (31) is arranged at the top of the drying cylinder (32). The bottom of the drying cylinder (32) is connected to the feeding cylinder (33). A feeding rotary liquid cylinder (34) is arranged at the right end of the feeding cylinder (33). A screw is arranged inside the feeding cylinder (33). The right end of the screw is fixedly connected to the output end of the feeding rotary liquid cylinder (34). A heating coil is sleeved on the outside of the feeding cylinder (33). A nozzle (35) is arranged at the left end of the feeding cylinder (33). The nozzle (35) is fixedly connected to the bottom of the injection bottle blank assembly (5).
3. The high-efficiency PC bottle production equipment according to claim 1 is characterized in that: The preform injection assembly (5) comprises a preform mold (51) and a core rod (52); the preform mold (51) is fixedly arranged on a base (1) via a bracket; a first electric cylinder (24) is fixedly arranged on one side of the top of the fixing frame (2); an output end of the first electric cylinder (24) passes through the fixing frame (2) and is fixedly connected to the core rod (52); a through hole (521) for the core rod (52) to pass through is opened on the support plate (22); an annular tooth plate (522) is fixedly arranged coaxially at the bottom of the through hole (521); and the core rod (52) cooperates with the preform mold (51).
4. The high-efficiency PC bottle production equipment according to claim 1 is characterized in that: The blow molding assembly (7) comprises a first mold (71), a second mold (72), and a stretching rod (73) that cooperate with each other. A second electric cylinder (25) is arranged on the side of the top of the fixing frame (2) away from the first electric cylinder (24). The first electric cylinder (24) and the second electric cylinder (25) are symmetrically arranged with respect to the hydraulic motor (21). The output end of the second electric cylinder (25) passes through the fixing frame (2) and is fixedly connected to the stretching rod (73). The interior of the stretching rod (73) is hollow to form an air passage. One side of the top of the stretching rod (73) is connected to high-pressure air through a pipeline. The side wall of the stretching rod (73) is evenly provided with air holes (731).
5. The high-efficiency PC bottle production equipment according to claim 4 is characterized in that: A guide column (74) and a guide hole (75) are provided on the side opposite to the first mold (71) and the second mold (72); the guide column (74) and the guide hole (75) of the first mold (71) are respectively provided corresponding to the guide hole (75) and the guide column (74) of the second mold (72); a first cylinder (76) is respectively connected to the side of the first mold (71) and the second mold (72) which are away from each other; the first cylinder (76) is provided on the base (1) through a fixing frame; a guide rail (77) is further provided between the first cylinders (76); the bottoms of the first mold (71) and the second mold (72) are respectively slidably connected to the guide rail (77) through a slider (78).
6. The high-efficiency PC bottle production equipment according to claim 1 is characterized in that: The transfer assembly (8) comprises a conveyor belt (81) and two electric rollers (82); the conveyor belt (81) passes around the two electric rollers (82) to form a closed loop; the two electric rollers (82) are fixedly arranged on the front side of the base (1) via support columns (83); baffles (84) are arranged on both sides of the conveyor belt (81); and the bottom of the baffles (84) is fixedly connected to the support columns (83).
7. The high-efficiency PC bottle production equipment according to claim 1 is characterized in that: The clamping device (23) comprises a second cylinder (231), a fixing frame (232), a connecting rod (233), and a clamping arm (234); the second cylinder (231) is fixedly arranged at the bottom of the support plate (22) through a bracket; the output end of the second cylinder (231) is transmission-connected to a side of the fixing frame (232) away from the through hole; a T-shaped slide groove (221) is provided at the bottom of the support plate (22) near the through hole; a T-shaped block (2321) is fixedly arranged at the top of the fixing frame (232); the T-shaped block (2321) is slidably arranged in the T-shaped slide groove (221); a fixing column (2322) is symmetrically arranged at the bottom of the fixing frame (232) near the through hole; and a fixing column (2322) is provided between the two fixing columns (2322). A threaded rod (235) is rotatably arranged through a bearing, and the threads at both ends of the threaded rod (235) are opposite. A forward and reverse motor (23221) is fixedly arranged on the outer side of a fixed column (2322), and the output shaft of the forward and reverse motor (23221) passes through the fixed column (2322) and is transmission-connected with the threaded rod (235). Connecting rods (233) are symmetrically threadedly connected at both ends of the threaded rod (235), and the other end of the connecting rod (233) is fixedly connected to a clamping arm (234). Positioning plates (2331) are symmetrically arranged on the upper and lower sides of the connecting rod (233), and the positioning plates (2331) are clearance-matched with the connecting plates (233), and the two ends of the positioning plates (2331) are respectively fixedly connected to the fixed column (2322).
8. A method for producing an efficient PC bottle, characterized in that: Using the production equipment according to any one of claims 1 to 7 comprises the following steps: S1, PC raw materials are added from the feed hopper (31), dried in the drying cylinder (32) and then enter the feed cylinder (33); S2, the electric telescopic rod (4) controls the fixed frame (2) to move downward, and then the first electric cylinder (24) controls the core rod (52) to move downward and cooperate with the bottle blank mold (51), the feed cylinder (33) heats and melts the PC raw material, and squeezes the PC raw material into the bottle blank mold (51) through the feed rotary liquid cylinder (34), and obtains the bottle blank after cooling; S3, the electric telescopic rod (4) controls the fixed frame (2) to move upward and reset, the first electric cylinder (24) controls the core rod (52) to move upward and reset, and the hydraulic motor (21) controls the support plate (22) to rotate 90 degrees, so as to move the preform to the heating device (6) for heating; S4, the support plate (22) is continuously controlled by the hydraulic motor (21) to rotate 90 degrees, the first mold (71) and the second mold (72) cooperate with each other, the stretching rod (73) is first controlled by the second electric cylinder (25) to move downward to stretch the preform, and then the preform is blow-molded instantly by high-pressure air, and the first mold (71), the second mold (72) and the stretching rod (73) are reset; S5. Continue to control the support plate (22) to rotate 90° through the hydraulic motor (21), and use the clamping device (23) to clamp the formed PC bottle and transfer it to the transfer component (8).
9. The high-efficiency PC bottle production method according to claim 8, characterized in that: The temperature inside the drying cylinder (32) is 110-120°C, and the heating temperature of the feeding cylinder (33) is 260-300°C.
10. The high-efficiency PC bottle production method according to claim 8, characterized in that: In step S2, the preform mold (51) and the core rod (52) are cooled by a mold temperature controller, and the pressure of the mold temperature controller is 6-7 kg / cm 3 The flow rate is 200-210L / min, the temperature range is 30-60℃, the mold temperature controller refrigerant is controlled by a chiller, and the temperature range is 15~18℃.