Injection molding product production equipment and process

Abstract

The present invention is applicable to the technical field of injection molding product production, and provides an injection molding product production equipment and a process thereof, including a base, a demoulding component and an injection molding component are installed on the top of the base, the injection molding component is located above the demoulding component, an adjusting component is installed inside the demoulding component, a crushing component is installed on one side of the demoulding component and located on the top of the base, a feeding component is installed above the crushing component, and the feeding component is connected to the injection molding component. The device solves the problem that after the molten material is formed in the mold, if the mold has material adhesion, the product in the mold is difficult to demould, and staff need to clean it, which takes a long time and greatly reduces the functionality of the equipment. The effect of pushing the product in the mold out by air pressurization is achieved, and the adhered material is forced to be blown out due to the influence of air flow rate, which greatly improves the functionality of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of injection molding product production, and more particularly to an injection molding product production device and a process thereof. Background Art

[0002] Injection molding machines are the main molding equipment for using plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting materials. Injection molding is achieved through injection molding machines and molds. When existing production equipment is in operation, the injection molding machine squeezes the molten material into the mold through cooling and forming. However, the existing equipment still has the following problems: after the molten material is formed in the mold, if the mold has material adhesion, it is difficult to demold the product in the mold, and the staff needs to clean it up. The cleaning time is uncertain, which greatly reduces the functionality of the equipment. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the present invention aims to provide an injection molding product production equipment and a process thereof.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solution: an injection molding product production device, comprising a base, a demolding assembly and an injection molding assembly installed on the top of the base, the injection molding assembly being located above the demolding assembly, an adjustment assembly being installed inside the demolding assembly, a crushing assembly being installed on one side of the demolding assembly and located on the top of the base, a feeding assembly being installed above the crushing assembly, and the feeding assembly being connected to the injection molding assembly.

[0005] The present invention is further configured as follows: the injection molding assembly includes a second bracket, the second bracket is installed on the top of the base, the front end of the second bracket is installed with an upper mold and a support plate, the upper mold is located above the support plate, the top of the support plate is installed with a lower mold, the top of the lower mold is symmetrically installed with two guide rods, the tops of the two guide rods both pass through the bottom of the upper mold, two springs are connected between the upper mold and the lower mold, the two springs are respectively sleeved on the outer side walls of the two guide rods, the interior of the lower mold is movably connected with a lifting plate, the bottom of the upper mold is installed with an electromagnet, and the electromagnet is adapted to the lifting plate.

[0006] The present invention is further configured as follows: the feeding assembly includes a first bracket, the first bracket is installed on the top of the base, an injection molding machine is installed on the top of the first bracket, and a feeding pipe is connected between the discharge port of the injection molding machine and the top of the upper mold.

[0007] The present invention is further configured as follows: the demolding assembly includes a third bracket and a cylinder body, the interior of the third bracket is rotatably connected to a crankshaft, the outer wall of the crankshaft is hinged with a push rod, the top of the push rod is connected to a heat insulation plate, the heat insulation plate is slidably connected to the interior of the cylinder body, the top of the cylinder body is connected to the bottom of the support plate, the bottom of the cylinder is slidably connected to a baffle, the bottom of the cylinder body is provided with a slide groove corresponding to the baffle, the top of the push rod passes through the bottom of the baffle and the interior of the slide groove, the bottom end of the lower mold is provided with a one-way discharge hole, the bottom end of the outer wall of the cylinder body is symmetrically connected to two air pipes, the top ends of the two air pipes both pass through the bottom of the support plate and are connected to the bottom of the lower mold, a plate body is provided on one side of the third bracket, a dual-axis motor is installed on the top of the plate body, and a one-way bearing is connected between one output end of the one-way bearing and one end of the crankshaft.

[0008] The present invention is further configured as follows: the adjustment assembly includes two rotating plates, the two rotating plates are respectively rotatably connected to the two sides of the third bracket, the two ends of the crankshaft respectively pass through the opposite sides of the two rotating plates, and the crankshaft is eccentrically connected to the rotating plates, the opposite sides of the two rotating plates are connected to the adjustment plates, and the bending part of the crankshaft is located inside the adjustment plate.

[0009] The present invention is further configured as follows: the crushing assembly includes a first bevel gear, the first bevel gear is rotatably connected to the top of the plate body, the other output end of the dual-shaft motor is connected to the second bevel gear, the second bevel gear meshes with the first bevel gear, the top of the first bevel gear is installed with a placing cylinder, the bottom end of the outer wall of the placing cylinder is rotatably connected to a sleeve, the outer wall of the sleeve is connected to the top of the outer wall of the cylinder body, and a discharge pipe is provided, the discharge pipe is communicated with the placing cylinder through the sleeve, and the outer wall of the discharge pipe is installed with a suction pump, one end of the suction pump close to the placing cylinder is the feed port, and the end of the suction pump away from the placing cylinder is the discharge port, the front surface of the first bracket is installed with a second guide rail, the interior of the second guide rail is slidably connected to the first guide rail, the bottom of the first guide rail is slidably connected to the slide seat, the bottom of the slide seat is connected to the heating pipe, the bottom end of the heating pipe extends to the interior of the placing cylinder, and the outer wall of the heating pipe is installed with an auger.

[0010] The present invention is further configured as follows: a cleaning component 1 is installed inside the placement cylinder, and the cleaning component 1 includes a first filter plate, the first filter plate is installed on the outer wall of the heating tube and is located below the auger, and a first scraper is evenly installed on the outer wall of the heating tube and below the first filter plate.

[0011] The present invention is further configured as follows: a cleaning component 2 is installed inside the placement cylinder, and the cleaning component 2 includes a second filter plate, the second filter plate is installed on the outer wall of the heating tube and is located below the auger, and a second scraper is evenly installed on the outer wall of the heating tube and below the second filter plate, and the second scraper is rotatably connected to a wheel body on the side away from the heating tube, and the outer wall of the wheel body is hinged with a connecting belt, and a counterweight block is installed at one end of the connecting belt.

[0012] A production process for injection molded products, using the injection molded product production equipment described above, adopts the following steps:

[0013] S1. The staff first connects the device to the control system, and then dries the plastic particles through the dryer to remove moisture from the plastic particles. The drying temperature is controlled at 120°C and the drying time is controlled at 2-8 hours.

[0014] S2. Preheat the inner cavity, upper mold and lower mold of the injection molding machine by electric heating. Add the material into the interior of the injection molding machine for heating and melting. The injection temperature is controlled at 210-240°C to make the material flow.

[0015] During steps S1 and S2, the staff member swings the adjustment plate upward to a horizontal state, and the upper and lower molds are in a closed mold state. The control system controls the closure of the one-way discharge hole and the air pipe. After steps S1 and S2 are completed, the material is extruded by the screw of the injection molding machine through the feed pipe into the space between the upper and lower molds, and is formed by the cooperation of the lower and upper molds.

[0016] S4. After the lower mold and the upper mold are formed, the control system controls the output end of the dual-axis motor to rotate in the forward direction, so that one output end of the dual-axis motor drives the outer ring of the one-way bearing to rotate. The inner and outer rings of the one-way bearing are locked, so that the inner and outer rings of the one-way bearing rotate synchronously and drive the crankshaft to rotate. The crankshaft drives the push rod and the heat shield to move upward and then downward. When the heat shield moves upward, it draws air into the cylinder. When the heat shield moves downward, it squeezes the inhaled air, and the air is pressurized in the cylinder.

[0017] S5. Then the control system controls the lower mold and the upper mold to open, the air pipe is connected, and the gas is discharged through the air pipe to push the product out of the lower mold, thereby completing the demoulding;

[0018] S6. After demoulding is completed, the staff cleans the lower mold and the upper mold with mold cleaning fluid. After the demoulded products are manually inspected, the good products are directly packaged and put into storage, and the defective products are placed in the storage cylinder;

[0019] S7, the dual-shaft motor rotates continuously, the output end of the dual-shaft motor drives the crankshaft to rotate continuously, the other output end of the dual-shaft motor drives the second bevel gear to rotate synchronously, the second bevel gear drives the first bevel gear and the placement barrel to rotate synchronously, the material in the placement barrel is melted by the temperature of the heating tube, and is crushed by the auger and transported downward;

[0020] S8. The melted defective waste is lifted to the cleaning assembly position. The cleaning assembly stirs the molten waste. The suction pump absorbs the molten waste at the cleaning assembly position and transports it to the cylinder through the discharge pipe for accumulation. The molten waste falls to the top of the insulation board.

[0021] S9. After the operation of step S8, the lower mold and the upper mold are closed again, and the cylinder is pressurized again. The control system controls the one-way discharge hole to open. When the insulation plate moves up, the accumulated molten waste is squeezed into the lower mold through the one-way discharge hole for reuse. This operation is synchronized with the feeding component. After the mold is filled, the one-way discharge hole is immediately closed, and the placement cylinder can also be rotated to process defective waste.

[0022] S10. If there are many defective products, the staff will push the adjustment plate downward to the vertical state, the sliding range of the insulation plate will move downward, the space on the top of the insulation plate to carry the molten waste will increase, and the device will continue normal injection molding production operations.

[0023] The advantages of the present invention are:

[0024] (1) When the upper and lower molds are closed, the interior of the mold is in a closed state, the dual-axis motor rotates continuously, the heat insulation plate slides back and forth on the cylinder, and the air pressure at the bottom of the heat insulation plate increases. When the mold is opened, the electromagnet attracts the lifting plate and moves it upward, causing the lifting plate to lift the product in the lower mold. At the same time, the pressurized air in the cylinder is discharged through the air pipe to push the product out of the lower mold, thereby completing the forced demoulding. In addition, the air flows faster in the mold, causing the adhered material to be forced to be blown out, greatly improving the functionality of the device.

[0025] (2) By setting up a crushing component, if the product after injection molding is a defective product, it is directly placed in the placement barrel for crushing, and the molten waste enters the barrel through the discharge pipe and accumulates. The injection molding machine and the molten waste in the barrel cooperate, that is, the flow material and the molten waste enter the mold from the upper mold and the lower mold for injection molding, which greatly improves the waste utilization rate;

[0026] (3) If the material is seriously stuck at the mold position, the dual-axis motor rotates in the opposite direction, the crankshaft remains stationary, and the dual-axis motor drives the first bevel gear and the placement cylinder to continue to rotate, continuing to complete the crushing and heating of defective products. At this time, the mold position is in a shutdown state, which is convenient for the staff to clean the mold. After the mold is cleaned, it is only necessary to control the dual-axis motor to rotate forward to continue the product injection production operation, which not only saves time, but also avoids the situation where part of the material solidifies due to a long downtime;

[0027] (4) The adjustment component is used to adjust the demoulding component. By adjusting the horizontal or vertical state of the adjustment plate, the sliding range height of the insulation plate in the cylinder can be adjusted, thereby adjusting the space on the top of the insulation plate, so that the demoulding component can adjust its storage capacity according to the amount of defective products, and achieve the effect of fully utilizing the molten waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 It is a front partial structural schematic diagram of the present invention;

[0030] Figure 3 yes Figure 2 Cross-sectional view cut along the AA direction;

[0031] Figure 4 yes Figure 2 Cross-sectional view cut along the BB direction;

[0032] Figure 5 Schematic diagram of the structure of a cleaning component 1 in one embodiment of the present invention;

[0033] Figure 6 Schematic diagram of the structure of the cleaning component 2 in one embodiment of the present invention;

[0034] Figure 7 This is a schematic diagram of the wheel structure of the present invention;

[0035] Figure 8 is a process flow chart of the present invention;

[0036] In the figure: 1. Base; 2. Feed assembly; 21. First bracket; 22. Injection molding machine; 23. Feed pipe; 3. Injection molding assembly; 31. Second bracket; 32. Lower mold; 33. Upper mold; 34. Guide rod; 35. Spring; 36. Lifting plate; 37. Electromagnet; 38. Support plate; 4. Demolding assembly; 41. Third bracket; 42. Baffle; 43. Crankshaft; 44. Cylinder; 45. Push rod; 46. Air pipe; 47. Plate; 48. Dual-axis motor; 49. One-way bearing; 491. One-way discharge hole; 4 92. Heat insulation plate; 5. Adjustment assembly; 51. Rotating plate; 52. Adjustment plate; 6. Crushing assembly; 61. Placement cylinder; 62. First bevel gear; 63. Second bevel gear; 64. Discharge pipe; 65. First guide rail; 66. Second guide rail; 67. Slide; 68. Heating pipe; 69. Auger; 691. Suction pump; 7. Cleaning assembly one; 71. First filter plate; 72. First scraper; 8. Cleaning assembly two; 81. Second filter plate; 82. Second scraper; 83. Wheel body; 84. Connecting belt; 85. Counterweight. DETAILED DESCRIPTION

[0037] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0038] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0039] In the present invention, unless otherwise specified, directions such as "up" and "down" are generally used with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" are generally used with respect to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0040] Example 1

[0041] See also Figure 1-5The present invention provides the following technical solutions: an injection molding product production equipment, including a base 1, a demoulding component 4 and an injection molding component 3 are installed on the top of the base 1, the injection molding component 3 is located above the demoulding component 4, an adjusting component 5 is installed inside the demoulding component 4, a crushing component 6 is installed on one side of the demoulding component 4 and located on the top of the base 1, a feeding component 2 is installed above the crushing component 6, the feeding component 2 is connected to the injection molding component 3, and the device is connected to the control system, the feeding component 2 is used to heat and melt the plastic particle material, the injection molding component 3 is used to carry the molten plastic particle material of the feeding component 2, the molten material is molded in the injection molding component 3, the demoulding component 4 is used to demould the product molded in the injection molding component 3, the crushing component 6 is used to crush and melt the demoulded defective products again, and the molten waste is re-injected into the injection molding component 3 for reuse, the adjusting component 5 is used to adjust the demoulding component 4, so that the space for carrying the molten waste in the demoulding component 4 is increased, so that more molten waste can enter the demoulding component 4 for reuse;

[0042] The injection molding assembly 3 includes a second bracket 31, which is mounted on the top of the base 1, and an upper mold 33 and a support plate 38 are mounted on the front end of the second bracket 31. The upper mold 33 is located above the support plate 38, and a lower mold 32 is mounted on the top of the support plate 38. The upper mold 33 and the lower mold 32 are used to carry and shape the molten raw materials. Two guide rods 34 are symmetrically mounted on the top of the lower mold 32, and the tops of the two guide rods 34 both pass through the bottom of the upper mold 33. Two springs 35 are connected between the upper mold 33 and the lower mold 32, and the two springs 35 are respectively sleeved on the outer side walls of the two guide rods 34. During the opening or closing process of the upper mold 33 and the lower mold 32, the upper mold 33 slides on the outer side walls of the guide rods 34 and squeezes the springs 35, thereby guiding the upper mold 33 and the lower mold 32;

[0043] The lower mold 32 is movably connected to a lifting plate 36. An electromagnet 37 is installed at the bottom of the upper mold 33. The electromagnet 37 is adapted to the lifting plate 36, and the control system controls the opening and closing of the electromagnet 37. When the upper mold 33 and the lower mold 32 are separated, the electromagnet 37 is energized and attracts the lifting plate 36 to move upward, causing the lifting plate 36 to lift the product in the lower mold 32, thereby facilitating the demoulding operation. When the mold is closed, the electromagnet 37 is de-energized and the lifting plate 36 returns to its original position.

[0044] The feeding assembly 2 includes a first bracket 21, which is installed on the top of the base 1. An injection molding machine 22 is installed on the top of the first bracket 21. A feeding pipe 23 is connected between the discharge port of the injection molding machine 22 and the top of the upper mold 33. The injection molding machine 22 is used to heat and melt the plastic particle material, and transport the molten flow material to the interior of the upper mold 33 through the feeding pipe 23 for use.

[0045] The demoulding assembly 4 includes a third bracket 41 and a cylinder 44. The interior of the third bracket 41 is rotatably connected to a crankshaft 43. The outer wall of the crankshaft 43 is hinged with a push rod 45. The top of the push rod 45 is connected to a heat insulation plate 492. The heat insulation plate 492 is slidably connected to the interior of the cylinder 44. The top of the cylinder 44 is connected to the bottom of the support plate 38. The bottom of the cylinder 44 is slidably connected to a baffle 42. The bottom of the cylinder 44 is provided with a chute corresponding to the baffle 42. The top of the push rod 45 passes through the bottom of the baffle 42 and the interior of the chute. The bottom end of the lower mold 32 is provided with a one-way discharge hole 491. The bottom end of the outer wall of the cylinder 44 is symmetrically connected to two air pipes 46. The tops of the two air pipes 46 are both penetrated. The bottom of the support plate 38 is connected to the bottom of the lower mold 32, and a plate body 47 is provided on one side of the third bracket 41. A dual-axis motor 48 is installed on the top of the plate body 47. A one-way bearing 49 is connected between one output end of the one-way bearing 49 and one end of the crankshaft 43. The dual-axis motor 48 is used to drive the one-way bearing 49 and the crankshaft 43 to rotate, that is, when the output end of the dual-axis motor 48 rotates in the forward direction, the inner and outer rings of the one-way bearing 49 are locked, so that the dual-axis motor 48 drives the one-way bearing 49 and the crankshaft 43 to rotate synchronously. When the output end of the dual-axis motor 48 rotates in the reverse direction, the inner and outer rings of the one-way bearing 49 are loosened, so that the one-way bearing 49 rotates completely, while the inner ring and the crankshaft 43 remain stationary.

[0046] When the crankshaft 43 rotates, it drives the push rod 45 and the heat shield 492 to slide inside the cylinder 44. As the crankshaft 43 rotates, the heat shield 492 moves up first and then down inside the cylinder 44. When the heat shield 492 moves up, it draws air into the cylinder 44. When the heat shield 492 moves down, it squeezes the inhaled air. The air enters the interior of the lower mold 32 through the air pipe 46. The air directly contacts and cools the injection-molded products in the lower mold 32 and the upper mold 33.

[0047] The crushing assembly 6 includes a first bevel gear 62, which is rotatably connected to the top of the plate body 47, and the other output end of the dual-axis motor 48 is connected to the second bevel gear 63, which meshes with the first bevel gear 62. A placing cylinder 61 is installed on the top of the first bevel gear 62, and the bottom end of the outer wall of the placing cylinder 61 is rotatably connected with a sleeve. A discharge pipe 64 is provided between the outer wall of the sleeve and the top end of the outer wall of the cylinder body 44. The discharge pipe 64 is connected to the placing cylinder 61 through the sleeve, and a suction pump 691 is installed on the outer wall of the discharge pipe 64. The end of the suction pump 691 close to the placing cylinder 61 is the feed port, and the end of the suction pump 691 away from the placing cylinder 61 is the discharge port. The front surface of the first bracket 21 is installed with a second guide rail 66, and the interior of the second guide rail 66 is slidably connected to the first A guide rail 65, a slide seat 67 is slidably connected to the bottom of the first guide rail 65, a heating tube 68 is connected to the bottom of the slide seat 67, the bottom end of the heating tube 68 extends to the inside of the placement cylinder 61, and an auger 69 is installed on the outer wall of the heating tube 68. When the output end of the dual-axis motor 48 rotates in the opposite direction, the crankshaft 43 is in a stationary state, and the other output end of the dual-axis motor 48 drives the second bevel gear 63 to rotate synchronously, and the second bevel gear 63 drives the first bevel gear 62 and the placement cylinder 61 to rotate synchronously. Since the placement cylinder 61 and the discharge pipe 64 are connected by a sleeve, when the placement cylinder 61 rotates, not only is the communication state between the discharge pipe 64 and the placement cylinder 61 guaranteed, but the discharge pipe 64 also remains stationary, and the material in the placement cylinder 61 is melted by the temperature of the heating tube 68, and is crushed and transported downward by the auger 69;

[0048] After melting, the defective waste is lifted to the cleaning assembly position. The cleaning assembly stirs the molten waste. The suction pump 691 absorbs the molten waste at the cleaning assembly position and transports it to the cylinder 44 through the discharge pipe 64 for accumulation. The molten waste falls to the top of the insulation plate 492. When the insulation plate 492 moves upward inside the cylinder 44, the molten waste accumulated on the top of the insulation plate 492 is squeezed into the interior of the lower mold 32 through the one-way discharge hole 491 for reuse.

[0049] A cleaning assembly 7 is installed inside the placement cylinder 61. The cleaning assembly 7 includes a first filter plate 71. The first filter plate 71 is installed on the outer wall of the heating tube 68 and is located below the auger 69. First scrapers 72 are evenly installed on the outer wall of the heating tube 68 and below the first filter plate 71. The defective products crushed in the placement cylinder 61 are melted into a flow and then transported downward through the auger 69. The molten waste flows downward through the first filter plate 71. When the placement cylinder 61 rotates, the placement cylinder 61 drives the first filter plate 71 to rotate synchronously. Since the first scraper 72 is connected to the heating tube 68, the first filter plate 71 slides on the top of multiple first scrapers 72. The first filter plate 71 and the first scraper 72 rotate relative to each other. The first scraper 72 stirs the molten waste on the top of the first filter plate 71 and pushes the molten waste to the inside of the discharge pipe 64, so that the molten waste can be reused.

[0050] The adjusting assembly 5 includes two rotating plates 51, which are rotatably connected to both sides of the third bracket 41 respectively. The two ends of the crankshaft 43 pass through the opposite sides of the two rotating plates 51 respectively, and the crankshaft 43 is eccentrically connected to the rotating plates 51. The opposite sides of the two rotating plates 51 are connected with adjusting plates 52, and the bending part of the crankshaft 43 is located inside the adjusting plates 52. When the adjusting assembly 5 is in the initial state, the adjusting plates 52 are in a horizontal state, and the distance between the connection between the crankshaft 43 and the rotating plates 51 and the base 1 is large. In this state, the crankshaft 43 rotates normally, but the sliding range of the heat insulation plate 492 in the cylinder 44 is relatively high, and the space at the top of the heat insulation plate 492 is small. The molten waste stored in this space is small, so the molten waste can be quickly reused, avoiding the situation where the space is large and the heat insulation plate 492 cannot completely squeeze this space, causing some molten waste to be unusable;

[0051] When there are many defective products, a large number of them will be crushed and reused, so the amount of material discharged through the discharge pipe 64 will be greatly increased. If the space on the top of the heat insulation plate 492 is small, it will not be possible to store a lot of molten waste. Therefore, the adjustment plate 52 is adjusted to a vertical state, and the distance between the connection between the crankshaft 43 and the rotating plate 51 and the base 1 is small. In this state, the sliding range of the heat insulation plate 492 in the cylinder 44 is relatively low, and the space on the top of the heat insulation plate 492 is increased, that is, more molten waste can be stored. When there are fewer defective products, the adjustment component 5 is restored to its initial state.

[0052] Specifically, the staff first connects the device to the control system, and then dries the plastic particle material through a dryer to remove moisture from the plastic particles. The drying temperature is controlled at 120°C, and the drying time is controlled at 2-8 hours. The inner cavity of the injection molding machine 22, the upper mold 33, and the lower mold 32 are preheated by electric heating. The material is added to the interior of the injection molding machine 22 for heating and melting. The injection molding temperature is controlled at 210-240°C to make the material flow. During the heating and melting process of the plastic particle material, the staff swings the adjustment plate 52 upward to make it horizontal. The upper mold 33 and the lower mold 32 are in a closed mold state. The control system controls the closure of the one-way discharge hole 491 and the closure of the air pipe 46. After the material is heated and melted, it is squeezed through the screw of the injection molding machine 22 through the feed pipe 23 into between the upper mold 33 and the lower mold 32, and is formed by the cooperation of the lower mold 32 and the upper mold 33.

[0053] After the lower mold 32 and the upper mold 33 are formed together, the control system controls the output end of the dual-axis motor 48 to rotate in the forward direction, so that one output end of the dual-axis motor 48 drives the outer ring of the one-way bearing 49 to rotate. The inner and outer rings of the one-way bearing 49 are locked, so that the inner and outer rings of the one-way bearing 49 rotate synchronously and drive the crankshaft 43 to rotate. The crankshaft 43 drives the push rod 45 and the heat shield 492 to move up first and then down. The heat shield 492 sucks air into the cylinder 44 when it moves up. When it moves down, the heat shield 492 squeezes the sucked air, and the air enters the interior of the lower mold 32 through the air pipe 46. At this time, the upper mold 33 and the lower mold 32 are closed, and the internal space is closed, causing the air to be pressurized in the cylinder 44.

[0054] Then, the control system controls the lower mold 32 and the upper mold 33 to open, and the air pipe 46 is connected. When the upper mold 33 and the lower mold 32 are separated, the electromagnet 37 attracts the lifting plate 36 and moves it upward, causing the lifting plate 36 to lift the product in the lower mold 32. At the same time, the pressurized air in the cylinder 44 is discharged through the air pipe 46 to push the product out of the lower mold 32, thereby completing the demoulding. In addition, the air flows at a high speed in the mold, causing the adhered material to be forcibly blown out, greatly improving the functionality of the device.

[0055] After demoulding is completed, the staff cleans the lower mold 32 and the upper mold 33 with mold cleaning liquid. After the demoulded products are manually inspected, the good products are directly packaged and stored, and the defective products are placed in the storage cylinder 61.

[0056] The dual-shaft motor 48 rotates continuously, and the output end of the dual-shaft motor 48 drives the crankshaft 43 to rotate continuously. The other output end of the dual-shaft motor 48 drives the second bevel gear 63 to rotate synchronously. The second bevel gear 63 drives the first bevel gear 62 and the placement barrel 61 to rotate synchronously. The material in the placement barrel 61 is melted by the temperature of the heating tube 68, and is crushed by the auger 69 and transported downward.

[0057] The molten waste flows downward through the first filter plate 71. When the placement cylinder 61 rotates, the placement cylinder 61 drives the first filter plate 71 to rotate synchronously. Since the first scraper 72 is connected to the heating tube 68, the first filter plate 71 slides on the top of the multiple first scrapers 72. The first filter plate 71 and the first scraper 72 rotate relative to each other. The first scraper 72 stirs the molten waste at the bottom of the first filter plate 71 and pushes the molten waste to flow through the discharge pipe 64 to the inside of the cylinder 44 for accumulation. The molten waste falls to the top of the heat insulation plate 492, so that the molten waste can be reused.

[0058] The lower mold 32 and the upper mold 33 are closed again, and the cylinder 44 is pressurized again. The control system controls the one-way discharge hole 491 to open. When the heat insulation plate 492 moves upward, the accumulated molten waste is squeezed into the lower mold 32 through the one-way discharge hole 491 for reuse. This operation is synchronized with the feeding assembly 2. At the same time, the placement cylinder 61 can also rotate to process defective waste.

[0059] If there are many defective products, the staff will pull the adjustment plate 52 downward to the vertical state, the sliding range of the heat insulation plate 492 will move downward, the space on the top of the heat insulation plate 492 to carry the molten waste will increase, and the device will continue the normal injection molding production operation;

[0060] If there is an abnormal situation in the position of the upper mold 33 and the lower mold 32, for example, when the material is severely adhered, the dual-axis motor 48 rotates in the opposite direction. Since the crankshaft 43 and one output end of the dual-axis motor 48 are connected through a one-way bearing 49, the crankshaft 43 is in a stationary state, and the other output end of the dual-axis motor 48 drives the first bevel gear 62 and the placement cylinder 61 to rotate continuously, and continues to complete the state of crushing and heating and melting defective products. At this time, the mold position is in a shutdown state, which is convenient for the staff to clean the mold. After the mold is cleaned, it is only necessary to control the dual-axis motor 48 to rotate forward to continue the product injection molding production operation.

[0061] Example 2

[0062] See also Figure 6-7 This embodiment makes the following improvements on the basis of the first embodiment:

[0063] A second cleaning assembly 8 is installed inside the placement cylinder 61. The second cleaning assembly 8 includes a second filter plate 81. The second filter plate 81 is installed on the outer wall of the heating tube 68 and is located below the auger 69. A second scraper 82 is evenly installed on the outer wall of the heating tube 68 and below the second filter plate 81. The second scraper 82 is rotatably connected to a wheel body 83 on the side away from the heating tube 68. The outer wall of the wheel body 83 is hinged with a connecting belt 84, and a counterweight block 85 is installed at one end of the connecting belt 84.

[0064] Specifically, after the defective products are heated and melted and transported by the auger 69, the molten waste is transported to the bottom of the second filter plate 81. The waste that is not completely melted is intercepted by the second filter plate 81. During the rotation of the placement cylinder 61, the second filter plate 81 and the second scraper 82 rotate relative to each other, causing the second scraper 82 to stir the molten waste, and the second scraper 82 drives the wheel body 83 to rotate inside the placement cylinder 61;

[0065] The wheel body 83 drives the connecting belt 84 and the counterweight 85 to rotate. When the hinge between the connecting belt 84 and the wheel body 83 rotates to the top of the outer wall of the wheel body 83, the counterweight 85 is affected by gravity and fits the outer wall of the wheel body 83. As the wheel body 83 continues to rotate, the hinge between the connecting belt 84 and the wheel body 83 is displaced, and the counterweight 85 falls to the inner wall of the placement cylinder 61 under the influence of gravity. The placement cylinder 61 vibrates due to the collision with the counterweight 85, thereby loosening the solid waste stuck to the bottom of the second filter plate 81, thereby preventing the solid waste from clogging the second filter plate 81.

[0066] Example 3

[0067] See also Figure 8 , the operation of the above device is described as follows:

[0068] Step 1: The staff first connects the device to the control system, and then dries the plastic particles through the dryer to remove moisture from the plastic particles. The drying temperature is controlled at 120°C and the drying time is controlled at 2-8 hours.

[0069] Step 2: preheat the inner cavity of the injection molding machine 22, the upper mold 33 and the lower mold 32 by electric heating, add the material into the interior of the injection molding machine 22 for heating and melting, and control the injection temperature at 210-240°C to make the material flow;

[0070] Step 3: During steps 1 and 2, the staff member swings the adjustment plate 52 upward to a horizontal state, and the upper mold 33 and the lower mold 32 are in a closed mold state. The control system controls the closure of the one-way discharge hole 491 and the air pipe 46. After steps 1 and 2 are completed, the material is extruded by the screw of the injection molding machine 22 through the feed pipe 23 and enters between the upper mold 33 and the lower mold 32, and is formed by the cooperation of the lower mold 32 and the upper mold 33.

[0071] Step 4: After the lower mold 32 and the upper mold 33 are formed together, the control system controls the output end of the dual-axis motor 48 to rotate in the forward direction, so that one output end of the dual-axis motor 48 drives the outer ring of the one-way bearing 49 to rotate. The inner and outer rings of the one-way bearing 49 are locked, so that the inner and outer rings of the one-way bearing 49 rotate synchronously and drive the crankshaft 43 to rotate. The crankshaft 43 drives the push rod 45 and the heat shield 492 to move upward first and then downward. The heat shield 492 sucks air into the cylinder 44 when it moves upward. When the heat shield 492 moves downward, it squeezes the sucked air, and the air is pressurized in the cylinder 44.

[0072] Step 5: The control system then controls the lower mold 32 and the upper mold 33 to open, the air pipe 46 is connected, and the gas is discharged through the air pipe 46 to push the product out of the lower mold 32, thereby completing the demoulding;

[0073] Step 6: After demoulding is completed, the staff cleans the lower mold 32 and the upper mold 33 with mold cleaning liquid. After the demoulded products are manually inspected, the good products are directly packaged and stored, and the defective products are placed in the storage cylinder 61;

[0074] Step 7: The dual-shaft motor 48 rotates continuously. The output end of the dual-shaft motor 48 drives the crankshaft 43 to rotate continuously. The other output end of the dual-shaft motor 48 drives the second bevel gear 63 to rotate synchronously. The second bevel gear 63 drives the first bevel gear 62 and the placement barrel 61 to rotate synchronously. The material in the placement barrel 61 is melted by the temperature of the heating tube 68, crushed by the auger 69, and transported downward.

[0075] Step 8: The melted defective waste is lifted to the cleaning assembly position. The cleaning assembly stirs the molten waste. The suction pump 691 absorbs the molten waste at the cleaning assembly position and transports it to the cylinder 44 through the discharge pipe 64 for accumulation. The molten waste falls to the top of the insulation board 492.

[0076] Step 9: After step 8, the lower mold 32 and the upper mold 33 are closed again, and the cylinder 44 is pressurized again. The control system controls the one-way discharge hole 491 to open. When the heat insulation plate 492 moves upward, the accumulated molten waste is squeezed into the lower mold 32 through the one-way discharge hole 491 for reuse. This operation is synchronized with the feeding assembly 2. After the mold is filled, the one-way discharge hole 491 is immediately closed. At the same time, the placement cylinder 61 can also rotate to process defective waste.

[0077] Step 10: If there are many defective products, the staff will push the adjustment plate 52 downward to the vertical state, the sliding range of the insulation plate 492 will move downward, the space on the top of the insulation plate 492 to support the molten waste will increase, and the device will continue normal injection molding production operations.

[0078] Obviously, the embodiments described above 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 making creative efforts should fall within the scope of protection of the present invention.

[0079] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0080] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0081] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. An injection molding product production device, comprising a base (1), characterized in that: A demoulding assembly (4) and an injection molding assembly (3) are installed on the top of the base (1), the injection molding assembly (3) is located above the demoulding assembly (4), an adjusting assembly (5) is installed inside the demoulding assembly (4), a crushing assembly (6) is installed on one side of the demoulding assembly (4) and located on the top of the base (1), a feeding assembly (2) is installed above the crushing assembly (6), the feeding assembly (2) is connected to the injection molding assembly (3), the injection molding assembly (3) includes a second bracket (31), the second bracket (31) is installed on the top of the base (1), an upper mold (33) and a support plate (38) are installed at the front end of the second bracket (31), an electromagnet (37) is installed at the bottom of the upper mold (33), and the demoulding assembly (4) includes a second bracket (31). Three brackets (41) and a cylinder (44), the interior of the third bracket (41) is rotatably connected to a crankshaft (43), the outer side wall of the crankshaft (43) is hinged with a push rod (45), the top of the push rod (45) is connected to a heat insulation plate (492), and the heat insulation plate (492) is slidably connected to the interior of the cylinder (44), the adjustment component (5) includes two rotating plates (51), the two rotating plates (51) are respectively rotatably connected to the two sides of the third bracket (41), the two ends of the crankshaft (43) respectively pass through the opposite sides of the two rotating plates (51), and the crankshaft (43) and the rotating plates (51) are eccentrically connected, the opposite sides of the two rotating plates (51) are both connected to an adjustment plate (52), and the bending part of the crankshaft (43) is located inside the adjustment plate (52).

2. The injection molding product production equipment according to claim 1, characterized in that: The upper die (33) is located above the support plate (38), the top of the support plate (38) is installed with a lower die (32), the top of the lower die (32) is symmetrically installed with two guide rods (34), the tops of the two guide rods (34) both pass through the bottom of the upper die (33), two springs (35) are connected between the upper die (33) and the lower die (32), the two springs (35) are respectively sleeved on the outer side walls of the two guide rods (34), the interior of the lower die (32) is movably connected with a lifting plate (36), and the electromagnet (37) is adapted to the lifting plate (36).

3. The injection molding product production equipment according to claim 2, characterized in that: The feeding assembly (2) includes a first bracket (21), the first bracket (21) is installed on the top of the base (1), an injection molding machine (22) is installed on the top of the first bracket (21), and a feeding pipe (23) is connected between the discharge port of the injection molding machine (22) and the top of the upper mold (33).

4. The injection molding product production equipment according to claim 3, characterized in that: The top of the cylinder (44) is connected to the bottom of the support plate (38), and the bottom of the cylinder (44) is slidably connected to a baffle (42). The bottom of the cylinder (44) is provided with a slide groove corresponding to the baffle (42), and the top of the push rod (45) passes through the bottom of the baffle (42) and the inside of the slide groove. The bottom end of the lower mold (32) is provided with a one-way discharge hole (491), and the bottom end of the outer wall of the cylinder (44) is symmetrically connected to two air pipes (46), and the top ends of the two air pipes (46) both pass through the bottom of the support plate (38) and are connected to the bottom of the lower mold (32). A plate body (47) is provided on one side of the third bracket (41), and a dual-axis motor (48) is installed on the top of the plate body (47). A one-way bearing (49) is connected between one output end of the dual-axis motor (48) and one end of the crankshaft (43).

5. The injection molding product production equipment according to claim 4, characterized in that: The crushing assembly (6) includes a first bevel gear (62), which is rotatably connected to the top of the plate body (47), and the other output end of the dual-axis motor (48) is connected to a second bevel gear (63), which is meshed with the first bevel gear (62). A placement cylinder (61) is installed on the top of the first bevel gear (62), and the bottom end of the outer wall of the placement cylinder (61) is rotatably connected to a sleeve. A discharge pipe (64) is provided between the outer wall of the sleeve and the top end of the outer wall of the cylinder body (44), and the discharge pipe (64) is connected to the placement cylinder (61) through the sleeve. ) is installed with a suction pump (691) on the outer wall thereof, the end of the suction pump (691) close to the placement cylinder (61) is a feed port, the end of the suction pump (691) away from the placement cylinder (61) is a discharge port, a second guide rail (66) is installed on the front surface of the first bracket (21), the interior of the second guide rail (66) is slidably connected to the first guide rail (65), the bottom of the first guide rail (65) is slidably connected to a slide seat (67), the bottom of the slide seat (67) is connected to a heating tube (68), the bottom end of the heating tube (68) extends to the interior of the placement cylinder (61), and an auger (69) is installed on the outer wall of the heating tube (68).

6. The injection molding product production equipment according to claim 5, characterized in that: A cleaning assembly (7) is installed inside the placement cylinder (61), and the cleaning assembly (7) includes a first filter plate (71). The first filter plate (71) is installed on the outer wall of the heating tube (68) and is located below the auger (69). A first scraper (72) is evenly installed on the outer wall of the heating tube (68) and below the first filter plate (71).

7. The injection molding product production equipment according to claim 5, characterized in that: A cleaning assembly 2 (8) is installed inside the placement cylinder (61), and the cleaning assembly 2 (8) includes a second filter plate (81). The second filter plate (81) is installed on the outer wall of the heating tube (68) and is located below the auger (69). A second scraper (82) is evenly installed on the outer wall of the heating tube (68) and below the second filter plate (81). The second scraper (82) is rotatably connected to a wheel body (83) on the side away from the heating tube (68). The outer wall of the wheel body (83) is hinged with a connecting belt (84), and a counterweight block (85) is installed at one end of the connecting belt (84).

8. A production process for injection molded products, characterized in that: Using the injection molding product production equipment according to claim 7, the following steps are adopted: S1. The staff first connects the device to the control system, and then dries the plastic particles through the dryer to remove moisture from the plastic particles. The drying temperature is controlled at 120°C and the drying time is controlled at 2-8 hours. S2, preheating the inner cavity, upper mold (33) and lower mold (32) of the injection molding machine (22) by electric heating, adding the material into the interior of the injection molding machine (22) for heating and melting, and controlling the injection temperature at 210-240° C. so that the material becomes a flow; S3. During the process of steps S1 and S2, the staff member swings the adjustment plate (52) upward to make it horizontal, and the upper mold (33) and the lower mold (32) are in a closed mold state. The control system controls the closure of the one-way discharge hole (491) and the air pipe (46). After the completion of steps S1 and S2, the material is squeezed by the screw of the injection molding machine (22) through the feed pipe (23) into the space between the upper mold (33) and the lower mold (32), and is formed by the cooperation of the lower mold (32) and the upper mold (33); S4, after the lower mold (32) and the upper mold (33) are formed, the control system controls the output end of the dual-axis motor (48) to rotate in the forward direction, so that one output end of the dual-axis motor (48) drives the outer ring of the one-way bearing (49) to rotate, and the inner and outer rings of the one-way bearing (49) are locked, so that the inner and outer rings of the one-way bearing (49) rotate synchronously and drive the crankshaft (43) to rotate, and the crankshaft (43) drives the push rod (45) and the heat shield (492) to move up first and then down, and the heat shield (492) sucks air into the cylinder (44) when it moves up, and squeezes the sucked air when it moves down, and the air is pressurized in the cylinder (44); S5, then the control system controls the lower mold (32) and the upper mold (33) to open, the air pipe (46) is connected, and the gas is discharged through the air pipe (46) to push the product out of the lower mold (32), thereby completing demoulding; S6. After demoulding is completed, the staff cleans the lower mold (32) and the upper mold (33) with mold cleaning liquid. After the demoulded products are manually inspected, the good products are directly packaged and stored, and the defective products are placed inside the placement cylinder (61); S7, the dual-shaft motor (48) rotates continuously, the output end of the dual-shaft motor (48) drives the crankshaft (43) to rotate continuously, the other output end of the dual-shaft motor (48) drives the second bevel gear (63) to rotate synchronously, the second bevel gear (63) drives the first bevel gear (62) and the placement barrel (61) to rotate synchronously, the material in the placement barrel (61) is melted by the temperature of the heating tube (68), and is crushed and transported downward by the auger (69); S8, the defective waste after melting is lifted to the cleaning assembly position, the cleaning assembly stirs the molten waste, the suction pump (691) absorbs the molten waste at the cleaning assembly position, and transports it to the cylinder (44) through the discharge pipe (64) for accumulation, and the molten waste falls to the top of the insulation board (492); S9. After the operation of step S8, the lower mold (32) and the upper mold (33) are closed again, and the cylinder (44) is pressurized again. The control system controls the one-way discharge hole (491) to open. When the heat insulation plate (492) moves upward, the accumulated molten waste is squeezed into the lower mold (32) through the one-way discharge hole (491) for reuse. This operation is synchronized with the feeding component (2). After the mold is filled, the one-way discharge hole (491) is immediately closed. At the same time, the placement cylinder (61) can also rotate to process the defective waste. S10. If there are many defective products, the staff will push the adjustment plate (52) downward to a vertical state, the sliding range of the heat insulation plate (492) will move downward, the space on the top of the heat insulation plate (492) to support the molten waste will increase, and the device will continue normal injection molding production operations.

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