Engineering plastic forming device and method

Abstract

The invention discloses an engineering plastic forming device and method, and relates to the field of engineering plastic production.The engineering plastic forming device comprises a device main board, a shaping shell is arranged above the device main board, a shaping device is movably arranged in the shaping shell, and a mold recycling device is arranged at one end of the shaping shell; the shaping device comprises an upper forming mold and a lower forming mold, a second opening matched with the upper forming mold is formed in the shaping shell, and a first opening matched with the lower forming mold is formed in the shaping shell. Through the arrangement of the pair of openings, the plastic mold block is installed in the plastic shell, then plastic raw materials are conveyed into the forming mold through the injection molding opening, shaping is completed, then the forming mold is driven to move through the driving piece, then different molds are jacked upwards through the top plate, the molds are made to move to the openings, and the mold blocks are fixed. And at the moment, the forming mold is jacked into the molding shell through the jacking and pressing plate, injection molding operation is repeated, and rapid production and automatic production of plastic parts are achieved.

Description

Technical Field

[0001] The invention relates to the field of engineering plastic production, in particular to an engineering plastic molding device and a molding method. Background Art

[0002] Engineering plastics are a type of material used to replace metals. They have excellent heat resistance, corrosion resistance, weather resistance, and electrical insulation. They are widely used in various manufacturing industries such as machinery, electrical appliances, automobiles, aircraft, and ships. Because engineering plastics have the advantages of light weight, high strength, wear resistance, corrosion resistance, and insulation, they can replace some metal materials, reduce product weight, improve performance, and reduce costs. For example, the extensive use of engineering plastics in automobile manufacturing can reduce the weight of automobiles, improve fuel efficiency, and reduce emissions. Therefore, engineering plastics account for an increasingly large proportion of industrial production, and the demand for their production is also increasing.

[0003] Because engineering plastics are widely used and have strong plasticity, in actual production, they are generally injected into designated plastic molding molds, and the molding molds are used to fix and cool the engineering plastics to plasticize them, thereby generating specific special engineering plastic parts.

[0004] Existing engineering plastic molds are generally produced in a one-piece one-mold manner. In actual use, they are generally divided into an upper mold and a lower mold. The upper mold and the lower mold are combined to form the shape of the engineering part. At this time, the engineering plastic raw material is added to the mold through the injection port, and then the engineering plastic is naturally cooled in the mold to complete the production of the plastic component. After cooling, the mold is opened. At this time, the molded engineering part is in the mold, and the plastic component is manually removed to realize the production of the plastic component.

[0005] However, in actual use, existing engineering plastics require manual operation for mold replacement, injection molding, and opening after cooling. Plastic injection molding operations are generally completed in a short period of time, so molds need to be replaced frequently. Because engineering plastics have high requirements for precision, deviations are inevitable after long-term operation, resulting in deviations in the quality of engineering plastics. Summary of the invention

[0006] Based on this, the purpose of the present invention is to provide an engineering plastic molding device and molding method to solve the problem that in actual use of existing engineering plastics, mold replacement, injection molding, and opening after cooling all require manual operation, and molds need to be replaced frequently. Because engineering plastics have high requirements on precision, deviations will occur after long-term operation.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an engineering plastic molding device, comprising a device mainboard, a molding shell is arranged above the device mainboard, a molding device is movably arranged in the molding shell, a mold recovery device is arranged at one end of the molding shell, the molding device comprises an upper molding mold and a lower molding mold, a second opening is provided on the molding shell to cooperate with the upper molding mold, a first opening is provided on the molding shell to cooperate with the lower molding mold, a guide groove is provided on a surface of the molding shell away from the first opening, a pair of second sliders are symmetrically arranged at both ends of the lower molding mold, the second sliders extend into the guide groove, the guide grooves extend symmetrically to both ends and penetrate the molding shell, a pair of guide rods are symmetrically arranged at one end of the molding shell to cooperate with the guide groove below, a pair of the pair of guide rods are connected to the molding shell, and a rotating part is provided on the molding shell to cooperate with the guide rods.

[0008] By adopting the above technical solution, the plastic is shaped by the provided shaping device, and then the molds of the plastic parts that have completed injection molding are separately recovered by the mold recovery device for production again.

[0009] The present invention is further configured such that a second guide plate is provided at the bottom of the guide rod, a first guide plate is provided below the second guide plate, a baffle is provided at the bottom of the plastic shell to cooperate with the first guide plate and the second guide plate, the baffle is fixedly connected to the bottom of the device mainboard, a second collection groove is provided on one side of the second guide plate to cooperate with it, and a first collection groove is provided on the side of the first guide plate away from the second collection groove.

[0010] By adopting the above technical solution, the upper mold and the lower mold are separately guided and collected through the set guide plate, thereby realizing separate processing of the upper molding mold and the lower molding mold, thereby realizing the recycling of the mold.

[0011] The present invention is further configured such that an extension plate is provided at one end of the shaping shell close to the guide plate, the extension plate is provided directly above the guide rod, a connecting rod is symmetrically provided at one end of the extension plate away from the shaping shell, a mounting plate is provided at one end of the connecting rod away from the shaping shell, and a fan is provided on the mounting plate.

[0012] By adopting the above technical solution, the fan is set to blow air to the molding shell, thereby cooling the injection mold, solidifying the plastic, and realizing the solidification molding of the plastic.

[0013] The present invention is further configured such that the first collecting groove and the second collecting groove extend to both sides of the bottom of the shaping shell, and an installation device is provided in the first collecting groove to cooperate with the first opening and the second opening, and the installation device includes a pair of support rods, the support rods extend to the bottom of the collecting groove, a top plate is slidably provided in the support rods, a through groove is provided on the collection groove to cooperate with the top plate, a transmission shaft is provided in the support rod to cooperate with the top plate for rotation, and a fourth motor is provided on the top of the support rod to cooperate with the transmission shaft.

[0014] By adopting the above technical solution, the shaping mold is assisted in installation by providing an installation device.

[0015] The present invention is further configured such that a connecting plate is provided on the top of the upper molding die, a first motor is provided on the top of the connecting plate, a control plate is provided on the bottom of the extension plate, and a second motor is provided on the extension plate in coordination with the control plate.

[0016] By adopting the above technical solution, the upper molding die and the lower molding die are separated by controlling the control panel to realize the recycling of the die.

[0017] The present invention is further configured such that an extension rod is provided on a surface of the support rod away from the shaping shell to cooperate with the first opening and the second opening, the extension rod is configured to be in a "U" shape, a pressure plate is slidably provided between the extension rods, and a third motor is provided at one end of the extension rod away from the pressure plate.

[0018] By adopting the above technical solution, the third motor is used to control the top pressure plate to push the mold into the molding shell, thereby realizing the assembly of the molding mold.

[0019] The present invention is further configured such that a second magnetic plate is provided on the inner wall of the first collecting trough, a first magnetic plate is provided on the inner wall of the second collecting trough, and a pair of first sliding blocks are symmetrically provided on the top of the upper molding die.

[0020] By adopting the above technical solution and setting the plate, the direction in which the mold falls is controlled, thereby further realizing the recovery of the molding mold.

[0021] The present invention is further configured such that a sliding groove is provided on the connecting plate to cooperate with the first sliding block, a first conductor is provided at the bottom of the connecting plate, a second conductor is provided on the upper forming mold to cooperate with the first conductor, a threaded rotating shaft is rotatably provided in the upper forming mold, and a fixed threaded groove is provided on the lower forming mold to cooperate with the threaded rotating shaft.

[0022] By adopting the above technical solution, the upper molding die and the lower molding die can be assembled and installed by cooperating with the fixed threaded shaft.

[0023] The present invention is further configured such that a fourth conductor is provided at the bottom of the upper molding die, a third conductor is provided on the lower molding die to match the fourth conductor, a second guide groove is provided on the molding shell in the first opening to match the second slider, and a first guide groove is provided on the molding shell in the second opening to match the first slider.

[0024] By adopting the above technical solution, the third conductor cooperates with the fourth conductor to conduct electric power, thereby controlling the movement of the injection molding module.

[0025] The present invention also provides an engineering plastic molding method, which is as follows:

[0026] Step 1: Place the upper molding die and the lower molding die in the first collecting tank and the second collecting tank respectively according to the specified direction, turn on the fan, start the conveyor belt arranged in the collecting tank, and transport the upper molding die and the lower molding die to the corresponding position;

[0027] Step 2: Start the fourth motor to drive the top plate to move up, lift the upper forming mold and the lower forming mold that move to the top of it, and move them to the first opening and the second opening respectively. At this time, the third motor controls the top pressure plate to push the mold into the plastic shell;

[0028] Step 3: The upper molding die is limited and fixed by the first slider and the slide groove, and the lower molding die is limited by the guide groove and the driving block at one end. After the upper molding die and the lower molding die are in contact, the slide groove loses its magnetic force and loses its attraction to the first slider. Then, the threaded shaft is matched with the upper fixed thread groove to achieve a tight connection. After the connection is completed, the plastic raw material is injected through the injection port;

[0029] Step 4: Start the drive block to drive the mold to move toward one end of the plastic shell, so that the temperature inside the mold gradually decreases and the plastic is formed. After moving to the limit, the mold will fall on the guide rod, and then the guide rod is controlled to open by the rotating part, so that the upper molding mold and the lower molding mold powder with different widths fall at different times, thereby recovering the upper molding mold and the lower molding mold differently and making them fall into the corresponding collection tank. After the mold falls into the collection, the direction of the mold falling is controlled by the magnetic plate to realize that the mold falls into the collection tank in the specified direction. In particular, the guide plate that guides the mold to fall is set at a certain angle, so that the mold is easier to flip when it falls.

[0030] In summary, the present invention mainly has the following beneficial effects:

[0031] The present invention installs the plastic module into the molding shell through a pair of openings, and then delivers the plastic raw material into the molding mold through the injection port to complete the molding, and then drives the molding mold to move through the driving member, and then releases the injection-molded plastic mold through the control panel, and then, the guide rod is unfolded through the rotating member, so that the upper molding mold and the lower molding mold are separated and fall into the first collecting groove and the second collecting groove, and then the different molds are lifted up by the top plate to move the mold to the opening, and at this time, the molding mold is pushed into the molding shell by the top pressure plate, and the injection molding operation is repeated to realize the rapid production and automatic production of plastic parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a front schematic diagram of the overall structure of the present invention;

[0033] Figure 2 It is a schematic diagram of the back side of the overall structure of the present invention;

[0034] Figure 3 It is a schematic diagram of the internal structure of the overall structure of the present invention;

[0035] Figure 4 For the present invention Figure 3 Schematic diagram from another perspective;

[0036] Figure 5 It is a partial structural schematic diagram of the present invention;

[0037] Figure 6 For the present invention Figure 5 Schematic diagram from another perspective;

[0038] Figure 7 It is a schematic diagram of the internal structure of the shaping shell of the present invention;

[0039] Figure 8 It is a structural schematic diagram of the shaping device of the present invention;

[0040] Fig. 9 It is a schematic diagram of the internal structure of the shaping device of the present invention;

[0041] Fig.10 It is a schematic diagram of the internal structure of the support rod of the present invention;

[0042] Fig.11 It is a top view of the internal structure of the present invention.

[0043] In the figure: 1, device main board; 2, shaping shell; 3, first motor; 4, extension plate; 5, second motor; 6, mounting plate; 7, fan; 8, connecting rod; 9, guide rod; 10, first guide plate; 11, baffle plate; 12, support rod; 13, first collecting tank; 14, second collecting tank; 15, extension rod; 16, second guide plate; 17, top pressure plate; 18, third motor; 19, top plate; 20, first slider; 21, upper molding die; 22, connecting plate; 23, fixed thread groove; 24, The second slider; 25, the threaded shaft; 26, the first opening; 27, the first guide groove; 28, the second opening; 29, the second guide groove; 30, the lower molding die; 31, the first conductor; 32, the slide groove; 33, the second conductor; 34, the transmission shaft; 35, the third conductor; 36, the fourth motor; 37, the fourth conductor; 38, the rotating part; 39, the first magnetic plate; 40, the second magnetic plate; 41, the through groove; 42, the control board; 43, the guide groove; 44, the driving block; 45, the injection port; 46, the feed pipe. DETAILED DESCRIPTION

[0044] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0045] The following describes an embodiment of the present invention based on its overall structure.

[0046] An engineering plastic molding device and molding method, such as Figure 1-11 As shown, it includes a device mainboard 1, a shaping shell 2 is arranged above the device mainboard 1, and a shaping device is movably arranged in the shaping shell 2, and the heated plastic raw material is injection-molded by the provided shaping device, so that the plastic is molded according to the shape set by the mold, and a first conductor 31 is arranged at the bottom of the connecting plate 22, and a second conductor 33 is arranged on the upper molding mold 21 to match the first conductor 31, and a threaded shaft 25 is rotatably arranged in the upper molding mold 21, and a fixed threaded groove 23 is opened on the lower molding mold 30 to match the threaded shaft 25, and power is transmitted through the first conductor 31 and the second conductor 33, so as to drive the threaded shaft 25 to rotate, and at this time, the upper molding mold 21 and the lower molding mold 30 are clamped and sealed in front of each other in cooperation with the fixed threaded groove 23, so as to ensure the sealing during injection molding;

[0047] Specifically, the shaping device includes an upper molding die 21 and a lower molding die 30, the molding shell 2 is provided with a second opening 28 to cooperate with the upper molding die 21, the molding shell 2 is provided with a first opening 26 to cooperate with the lower molding die 30, a guide groove 43 is provided on a surface of the molding shell 2 away from the first opening 26, a pair of second sliders 24 are symmetrically arranged at both ends of the lower molding die 30, a driving block 44 is arranged at one end of the second slider 24 close to the guide groove 43, the driving block 44 extends into the guide groove 43, a fourth conductor 37 is arranged at the bottom of the upper molding die 21, and a third conductor 35 is arranged on the lower molding die 30 to cooperate with the fourth conductor 37. In actual use, power is transmitted through the fourth conductor 3 in cooperation with the third conductor 35, and then the second slider 24 is driven to move in the guide groove 43 through the driving block 44, thereby driving the entire molding die to move, and the guide groove 43 extends symmetrically to both ends and penetrates the molding shell 21. The shell 2 is provided, and a pair of guide rods 9 are symmetrically arranged below the guide groove 43 at one end of the shaping shell 2. When being pulled out of the guide groove 43, it falls on the guide rod 9. The pair of guide rods 9 are connected to the shaping shell 2. A rotating member 38 is provided on the shaping shell 2 to cooperate with the guide rod 9. The guide rod 9 is driven to open by the rotating member 38. In cooperation with it, the lower molding mold 30 is one circle smaller than the upper molding mold 21. The upper molding mold 21 and the lower molding mold 30 are in a "T" shape. In this way, the upper molding mold 21 and the lower molding mold 30 are stored separately by the opened guide rod 9. Furthermore, an injection port 45 is provided on the first motor 3, and a feed pipe 46 is provided at the bottom of the first motor 3 to be connected to the connecting plate 22. By connecting the injection port 45 to the external plastic raw material, the plastic raw material is then transported to the connecting plate 22 through the feed pipe 46, and then the plastic raw material is injected through the upper molding mold 21 through the connecting plate 22 to complete the plastic molding operation.

[0048] Furthermore, a mold recovery device is provided at one end of the shaping shell 2;

[0049] Specifically, the mold recovery device includes a second guide plate 16, the second guide plate 16 is arranged at the bottom of the guide rod 9, a first guide plate 10 is arranged below the second guide plate 16, a baffle 11 is arranged at the bottom of the shaping shell 2 to cooperate with the first guide plate 10 and the second guide plate 16, the baffle 11 is fixedly connected to the bottom of the device main board 1, a second collecting groove 14 is arranged on one side of the second guide plate 16 to cooperate with it, and a first collecting groove 13 is arranged on the side of the first guide plate 10 away from the second collecting groove 14. When the guide rod 9 passes through the opening angle, the upper molding mold 21 and the lower molding mold 30 will fall at different positions, thereby falling on the second guide plate 16 and the first guide plate 10 respectively. In cooperation with this, in the above structure, a connecting plate 22 is arranged on the top of the upper molding mold 21, and a first motor is arranged on the top of the connecting plate 22. 3. A control board 42 is provided at the bottom of the extension plate 4. A second motor 5 is provided on the extension plate 4 to cooperate with the control board 42. The control board 42 is pressed down by the second motor 5. A corresponding conductor is provided at the bottom of the control board 42 to cooperate with the first conductor 31, thereby controlling the reverse rotation of the threaded shaft 25, thereby controlling the upper molding die 21 and the lower molding die 30 to separate, so that they can fall from the guide rod 9. A second magnetic plate 40 is provided on the inner wall of the first collecting groove 13, and a first magnetic plate 39 is provided on the inner wall of the second collecting groove 14. Through the first magnetic plate 39 and the second magnetic plate 40, the upper molding die 21 and the lower molding die 30 are provided with corresponding magnetic plates. At this time, when the upper molding die 21 and the lower molding die 30 fall into the corresponding collecting grooves, the molds fall in the specified direction, thereby facilitating the recycling of the molding molds.

[0050] At the same time, the first collecting tank 13 and the second collecting tank 14 extend to both sides of the bottom of the shaping shell 2, and the first collecting tank 13 is provided with a mounting device in cooperation with the first opening 26 and the second opening 28, and the mounting device includes a pair of support rods 12, and the support rods 12 extend to the bottom of the collecting tank, and a top plate 19 is slidably provided in the support rods 12, and a through groove 41 is provided on the collecting tank to cooperate with the top plate 19, and a transmission shaft 34 is rotatably provided in the support rod 12 to cooperate with the top plate 19, and a fourth motor 36 is provided at the top of the support rod 12 to cooperate with the transmission shaft 34, and the transmission shaft 36 is driven by the fourth motor 38. The driving shaft 34 rotates, thereby controlling the top plate 19 to move up and down, and at the same time drives the forming mold in the corresponding collecting tank to move up and down. When the forming mold is lifted to one side of the opening, the support rod 12 is provided with an extension rod 15 on the side away from the shaping shell 2 to cooperate with the first opening 26 and the second opening 28. The extension rod 15 is arranged in a "U" shape, and a top pressure plate 17 is slidably arranged between the extension rods 15. The end of the extension rod 15 away from the top pressure plate 17 is provided with a third motor 18, and the top pressure plate 17 is driven by the third motor 18 to push toward the opening to complete the installation of the forming mold.

[0051] An extension plate 4 is provided at one end of the shaping shell 2 close to the guide plate, and the extension plate 4 is provided directly above the guide rod 9. A connecting rod 8 is symmetrically provided at one end of the extension plate 4 away from the shaping shell 2, and a mounting plate 6 is provided at one end of the connecting rod 8 away from the shaping shell 2. A fan 7 is provided on the mounting plate 6, and air is blown toward the shaping shell 2 through the fan 7. It is worth noting that the shaping shell 2 is provided with a two-way structure, so that the wind blown by the fan 7 will pass through the shaping shell 2, cool down the molding mold in the shaping shell 2, and assist in the molding of the plastic.

[0052] A pair of first sliding blocks 20 are symmetrically arranged on the top of the upper molding die 21 . A sliding groove 32 is provided on the connecting plate 22 to cooperate with the first sliding blocks 20 . The upper molding die 21 is installed by cooperating with the sliding groove 32 through the first sliding blocks 20 .

[0053] The shaping shell 2 has a second guide groove 29 in the first opening 26 to cooperate with the second slider 24, and the shaping shell 2 has a first guide groove 27 in the second opening 28 to cooperate with the first slider 20. The upper molding mold 21 and the lower molding mold 30 can be inserted into the shaping shell 2 through the provision of the first guide groove 27 and the second guide groove 29.

[0054] In actual use, the upper molding die 21 and the lower molding die 30 are placed in the first collecting tank 13 and the second collecting tank 14 respectively according to the specified direction, the fan 7 is turned on, and the conveyor belt arranged in the collecting tank is started to transport the upper molding die 21 and the lower molding die 30 to the corresponding position, and the fourth motor 36 is started to drive the top plate 19 to move upward, and the upper molding die 21 and the lower molding die 30 that move above it are lifted up and moved to the first opening 26 and the second opening 28 side respectively. At this time, the third motor controls the top pressure plate 17 to push the mold into the plastic shell 2, and the upper molding die 21 is limited and fixed by the first slider 20 in cooperation with the slide groove 32, and the lower molding die 30 is limited at one end by the guide groove 43 in cooperation with the driving block 44. After the upper molding die 21 and the lower molding die 30 are in contact, the slide groove 32 loses its magnetic force and loses its grip on the first slider. 20 is attracted, and then a tight connection is achieved through the threaded shaft 25 cooperating with the fixed threaded groove 23. After the connection is completed, the plastic raw material is injected through the injection port 45, and the drive block 44 is started to drive the mold to move toward one end of the plastic shell 2, so that the temperature in the mold gradually decreases, so that the plastic is formed. After moving to the limit, the mold will fall on the guide rod 9, and then the guide rod 9 is controlled to open by the rotating member 38, so that the upper molding mold 21 and the lower molding mold 30 with different widths are set to fall at different times, so that the upper molding mold 21 and the lower molding mold 30 are recovered differently and fall into the corresponding collection groove. After the mold falls into the collection groove, the direction of the mold falling is controlled by the magnetic plate to realize that the mold falls into the collection groove in a specified direction. In particular, the guide plate guiding the mold to fall is set at a certain angle, so that the mold is more likely to flip when it falls.

[0055] Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. An engineering plastic molding device, comprising a device mainboard (1), characterized in that: A shaping shell (2) is arranged above the main board (1) of the device, a shaping device is movably arranged in the shaping shell (2), a mold recovery device is arranged at one end of the shaping shell (2), the shaping device comprises an upper molding die (21) and a lower molding die (30), a second opening (28) is provided on the shaping shell (2) to match the upper molding die (21), a first opening (26) is provided on the shaping shell (2) to match the lower molding die (30), a guide groove (43) is provided on a surface of the shaping shell (2) away from the first opening (26), and the lower molding die (30) is provided with a guide groove (43). A pair of second sliders (24) are symmetrically arranged at both ends of the molding die (30); a driving block (44) is arranged at one end of the second slider (24) close to the guide groove (43); the driving block (44) extends into the guide groove (43); the guide groove (43) symmetrically extends to both ends and penetrates the molding shell (2); a pair of guide rods (9) are symmetrically arranged below the guide groove (43) at one end of the molding shell (2); the pair of guide rods (9) are connected to the molding shell (2); and a rotating part (38) is arranged on the molding shell (2) to cooperate with the guide rods (9).

2. The engineering plastic molding device according to claim 1, characterized in that: The mold recovery device comprises a second guide plate (16), the second guide plate (16) is arranged at the bottom of the guide rod (9), a first guide plate (10) is arranged below the second guide plate (16), a baffle (11) is arranged at the bottom of the shaping shell (2) to cooperate with the first guide plate (10) and the second guide plate (16), the baffle (11) is fixedly connected to the bottom of the device main board (1), a second collection groove (14) is arranged on one side of the second guide plate (16) to cooperate with it, and a first collection groove (13) is arranged on the side of the first guide plate (10) away from the second collection groove (14).

3. The engineering plastic molding device according to claim 1, characterized in that: An extension plate (4) is arranged at one end of the shaping shell (2) close to the guide plate, and the extension plate (4) is arranged directly above the guide rod (9). A connecting rod (8) is symmetrically arranged at one end of the extension plate (4) away from the shaping shell (2), and a mounting plate (6) is arranged at one end of the connecting rod (8) away from the shaping shell (2), and a fan (7) is arranged on the mounting plate (6).

4. The engineering plastic molding device according to claim 1, characterized in that: The first collecting groove (13) and the second collecting groove (14) extend to both sides of the bottom of the shaping shell (2); a mounting device is provided in the first collecting groove (13) to cooperate with the first opening (26) and the second opening (28); the mounting device comprises a pair of support rods (12); the support rods (12) extend to the bottom of the collecting groove; a top plate (19) is slidably provided in the support rods (12); a through groove (41) is provided on the collecting groove to cooperate with the top plate (19); a transmission shaft (34) is rotatably provided in the support rod (12) to cooperate with the top plate (19); a fourth motor (36) is provided at the top of the support rod (12) to cooperate with the transmission shaft (34).

5. The engineering plastic molding device according to claim 1, characterized in that: A connecting plate (22) is arranged at the top of the upper molding die (21), a first motor (3) is arranged at the top of the connecting plate (22), an injection port (45) is provided on the first motor (3), a material delivery pipe (46) is arranged at the bottom of the first motor (3) and is connected to the connecting plate (22), a control board (42) is arranged at the bottom of the extension plate (4), and a second motor (5) is arranged on the extension plate (4) in coordination with the control board (42).

6. The engineering plastic molding device according to claim 1, characterized in that: An extension rod (15) is provided on a surface of the support rod (12) away from the plastic shell (2) to cooperate with the first opening (26) and the second opening (28); the extension rod (15) is arranged in a "U" shape; a top pressure plate (17) is slidably arranged between the extension rods (15); and a third motor (18) is provided at one end of the extension rod (15) away from the top pressure plate (17).

7. The engineering plastic molding device according to claim 1, characterized in that: A second magnetic plate (40) is arranged on the inner wall of the first collecting groove (13), a first magnetic plate (39) is arranged on the inner wall of the second collecting groove (14), and a pair of first sliding blocks (20) are symmetrically arranged on the top of the upper molding die (21).

8. The engineering plastic molding device according to claim 1, characterized in that: The connecting plate (22) is provided with a sliding groove (32) in cooperation with the first sliding block (20); a first conductor (31) is provided at the bottom of the connecting plate (22); a second conductor (33) is provided on the upper molding die (21) in cooperation with the first conductor (31); a threaded rotating shaft (25) is rotatably provided in the upper molding die (21); and a fixed threaded groove (23) is provided on the lower molding die (30) in cooperation with the threaded rotating shaft (25).

9. The engineering plastic molding device according to claim 1, characterized in that: A fourth conductor (37) is provided at the bottom of the upper molding die (21), a third conductor (35) is provided on the lower molding die (30) to match the fourth conductor (37), a second guide groove (29) is provided on the molding shell (2) in the first opening (26) to match the second slider (24), and a first guide groove (27) is provided on the molding shell (2) in the second opening (28) to match the first slider (20).

10. An engineering plastic molding method, using the engineering plastic molding device according to any one of claims 1 to 9, characterized in that: Here’s how: Step 1: placing the upper molding die (21) and the lower molding die (30) in the first collecting tank (13) and the second collecting tank (14) respectively in a specified direction, turning on the fan (7), starting the conveyor belt arranged in the collecting tank, and transporting the upper molding die (21) and the lower molding die (30) to corresponding positions; Step 2: Start the fourth motor (36) to drive the top plate (19) to move upward, lift the upper molding die (21) and the lower molding die (30) above it, and move them to the first opening (26) and the second opening (28) respectively. At this time, the third motor controls the top pressure plate (17) to push the mold into the plastic shell (2); Step 3: The upper molding die (21) is fixed by the first slider (20) in cooperation with the slide groove (32), and the lower molding die (30) is limited at one end by the guide groove (43) in cooperation with the driving block (44). After the upper molding die (21) and the lower molding die (30) are in contact, the slide groove (32) loses its magnetic force and loses its attraction to the first slider (20). Then, a tight connection is achieved by the threaded shaft (25) in cooperation with the upper fixed thread groove (23). After the connection is completed, the plastic raw material is injected through the injection port (45); Step 4: Start the driving block (44) to drive the mold to move toward one end of the plastic shell (2), so that the temperature in the mold gradually decreases and the plastic is formed. After moving to the limit, the mold will fall on the guide rod (9), and then the guide rod (9) is controlled to open by the rotating member (38), so that the upper molding mold (21) and the lower molding mold (30) with different widths are set to fall at different times, so that the upper molding mold (21) and the lower molding mold (30) are recovered differently and fall into the corresponding collection tank. After the mold falls into the collection tank, the direction of the mold falling is controlled by the magnetic plate to realize that the mold falls into the collection tank in the specified direction. In particular, the guide plate that guides the mold to fall is set at a certain angle, so that the mold is more likely to flip when it falls.

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