Halogen-free flame-retardant PC material free of fluorine element and production equipment and method of halogen-free flame-retardant PC material

Abstract

The invention discloses a fluorine-free halogen-free flame-retardant PC material and production equipment and method thereof.The halogen-free flame-retardant PC material comprises a mounting table, a driving mechanism and a mold carrying mechanism, a fixing plate is fixed to the left side of the mounting table, a fixing frame is fixed to the upper end face of the fixing plate, the driving mechanism is mounted on the fixing frame and connected with the mold carrying mechanism, and the mold carrying mechanism is fixed to the left side of the mounting table. And a positioning mechanism is mounted on the mold carrying mechanism, and the driving mechanism comprises a second motor, a driving wheel, a threaded rod and a driven wheel. According to the fluorine-free halogen-free flame-retardant PC material and the production equipment and method thereof, the lifting mechanism and the positioning mechanism capable of achieving up-down movement of the mold are adopted, the positioning mechanism is matched with linkage, the automatic position adjusting effect of the mold can be achieved in the up-down movement process of the mold, and therefore butt joint of the mold and a mold flange in the later period is facilitated; and when the mold reaches a fixed position, the mold can automatically transversely move to be in butt joint with a mold flange, and the mold mounting convenience is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of halogen-free flame-retardant PC material production, and in particular to a fluorine-free halogen-free flame-retardant PC material and a production device and method thereof. Background Art

[0002] Halogen-free flame-retardant PC material is an environmentally friendly material that does not contain halogen elements. It has good transparency, high temperature resistance, excellent toughness, dimensional stability, high flame retardant grade, and excellent mechanical properties. It is widely used in industry. In the production process of halogen-free flame retardant PC materials, the molten halogen-free flame retardant PC needs to be plasticized by an extruder in conjunction with a corresponding mold, so that the halogen-free flame retardant PC material can be processed into a specific shape for use. In the actual use of the existing halogen-free flame retardant PC material extruder, when disassembling and assembling the mold, due to the heavy overall mass of the mold, it requires two or even more workers to cooperate in the disassembly and assembly, which is rather troublesome. Therefore, in view of the above problems, a halogen-free flame retardant PC material production equipment without fluorine element is designed to better meet the actual use needs. Summary of the invention

[0003] The object of the present invention is to provide a fluorine-free halogen-retardant PC material and a production device and method thereof, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a production device for halogen-free flame-retardant PC material without fluorine element, comprising a mounting platform, a driving mechanism and a mold-carrying mechanism, a fixed plate is fixed on the left side of the mounting platform, a fixed frame is fixed on the upper end surface of the fixed plate, a driving mechanism is installed on the fixed frame, the driving mechanism is connected to the mold-carrying mechanism, a positioning mechanism is installed on the mold-carrying mechanism, the driving mechanism comprises a second motor, a driving wheel, a threaded rod and a driven wheel, the second motor is fixed on the fixed frame, a driving wheel is fixed on the output end of the second motor, the threaded rod bearing is connected to the fixed frame, a driven wheel is fixed on the threaded rod, the driven wheel is connected to the driving wheel through a belt, the mold-carrying mechanism comprises a bottom plate, a connecting block, a mounting frame The cam is provided with a bracket above the mounting plate, and a connecting block is symmetrically fixed to the bottom plate front and back, and the connecting block is connected to the threaded rod through a thread. A mounting bracket is symmetrically arranged front and back above the bottom plate, and a guide rod is fixed on the mounting bracket. The vertical rod is symmetrically fixed to the lower end surface of the mounting bracket, and the vertical rod is symmetrically fixed to the bottom plate for sliding connection. One end of the first spring is also fixed to the lower end surface of the mounting bracket, and the other end of the first spring is fixed to the bottom plate. A bracket is provided above the mounting bracket, and a sliding block is fixed to the lower end surface of the bracket, and the sliding block is slidably connected to the guide rod. The lower end surface of the bracket is also rotatably connected to one end of the connecting rod, and the other end of the connecting rod is rotatably connected to the bottom plate.

[0005] Preferably, a control panel is fixed on the upper end surface of the mounting table, and an extruder is also fixed on the upper end surface of the mounting table, and the extruder is driven by a first motor fixed on the mounting table. At the same time, a feed barrel is installed on the upper end surface of the extruder, and a loosening mechanism is installed on the feed barrel. Through the above mechanism, the normal production and processing of materials can be guaranteed.

[0006] Preferably, a heating jacket is evenly installed on the outer surface of the extruder, and a mold flange is fixed to the discharge port at the left end of the extruder. The heating jacket can heat the material in the extruder to melt the material and ensure normal processing.

[0007] Preferably, the loosening mechanism includes a rotating shaft, a driven gear, a driving gear and a shifting rod, the rotating shaft bearing is connected to the feed barrel, and a driven gear is fixed to the right end of the rotating shaft, and the driven gear is meshed with the driving gear fixed at the output end of the first motor, and the transmission action between the driven gear and the driving gear can provide a basic force for the rotation of the rotating shaft and the shifting rod.

[0008] Preferably, a lever is fixed on the rotating shaft, and the lever is arranged in the feed barrel. The material in the feed barrel is moved by the lever, which can avoid material blockage and affect the normal feeding function.

[0009] Preferably, the fixing frame is also symmetrically fixed with inclined panels front and back, and the fixing frame is also connected to a roller by a bearing, and the lower end surface of the roller is flush with the upper end surface of the mold flange. Through the rolling action of the roller, the mold can be easily moved laterally, thereby facilitating the installation of the mold.

[0010] Preferably, the positioning mechanism includes a movable plate, a cross bar, a curved plate and a second spring. The movable plate is arranged above the bracket, and one end of the cross bar is symmetrically fixed to the movable plate front and back, and the cross bar and the bracket are slidably connected. When the movable plate moves, the stability of the movement of the movable plate can be ensured by the sliding guiding action between the cross bar and the bracket.

[0011] Preferably, the other end of the cross bar is fixed on the arc panel, and the arc panel and the inclined panel are slidably connected, and one end of a second spring is fixed on the arc panel, and the other end of the second spring is fixed on the bracket. Through the sliding action between the arc panel and the inclined panel, a basic force can be provided for the movement of the movable panel, and the elastic action of the second spring can provide a basic guarantee for the automatic resetting of the movable panel.

[0012] The production method of halogen-free flame-retardant PC material containing no fluorine element comprises the following steps: Step 1: Place the mold on the bracket, and drive the mold upward through the action of the second motor, the driving wheel, the threaded rod, the driven wheel and the connecting block. With the action of the movable plate, the cross bar, the arc panel, the second spring and the inclined panel, the mold can be moved to the middle position of the bracket when the mold moves upward. When the mold contacts the roller, with the action of the connecting rod, the bracket and the mold can be moved toward the mold flange to facilitate the installation of the mold. Step 2: Put the material into the feed barrel, and the material enters the extruder through the feed barrel. With the help of the lever, the material can be moved to avoid material blockage. Then, the heating sleeve and the extruder are used to melt the material and extrude it to achieve the production of halogen-free flame-retardant PC materials.

[0013] The ratio of the halogen-free flame-retardant PC material containing no fluorine element includes: 75%-95% polycarbonate, 0.05%-0.1% halogen-free flame retardant, 5%-15% organic montmorillonite, 0.1%-1% anti-dripping agent, 0.1%-1% hydrolysis stabilizer, 0.1%-0.5% antioxidant, and 0.1%-1% lubricant.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the fluorine-free halogen-retardant PC material and its production equipment and method adopt a lifting mechanism to realize the up and down movement of the mold, and cooperate with the linkage positioning mechanism to realize the automatic adjustment of the mold during the up and down movement of the mold, thereby facilitating the subsequent docking of the mold with the mold flange, and cooperate with the linkage transverse movement structure to enable the mold to automatically move transversely and dock with the mold flange when the mold reaches a fixed position, greatly improving the convenience of mold installation. The specific contents are as follows: 1. The fluorine-free halogen-retardant PC material and its production equipment and method, when installing the mold, the second motor, the driving wheel, the threaded rod, and the driven wheel connecting block can move the bottom plate and the bracket upward, thereby driving the mold to move upward. During the upward movement of the mold, the sliding action between the arc panel and the inclined panel can move the movable plate. The two movable plates can push the mold to the middle position of the bracket, thereby realizing the adjustment of the mold, thereby providing a basic guarantee for the later installation of the mold; 2. The fluorine-free halogen-retardant PC material and its production equipment and method, when the mold moves up to contact the roller, the first spring and the connecting rod cooperate to enable the bracket to drive the mold to move laterally, so that the mold can be docked and positioned with the mold flange, which is convenient for the installation of the mold. The rolling action of the roller can effectively reduce the friction force and ensure the normal lateral movement of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall isometric three-dimensional structure of the device of the present invention; Figure 2 It is a schematic diagram of the overall side view of the stereoscopic structure of the device of the present invention; Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the feed barrel and the loosening mechanism of the present invention; Figure 4 It is a schematic diagram of the isometric three-dimensional structure of the fixing frame of the present invention; Figure 5 This is a schematic diagram of the three-dimensional structure of the fixing frame of the present invention when viewed from above; Figure 6 It is a schematic diagram of an isometric three-dimensional structure of the mold-carrying mechanism and the positioning mechanism of the present invention; Figure 7 It is a bottom-up three-dimensional structural schematic diagram of the mold-carrying mechanism and the positioning mechanism of the present invention.

[0016] In the figure: 1, mounting table; 2, control panel; 3, extruder; 301, heating sleeve; 302, mold flange; 4, first motor; 5, feed barrel; 6, loosening mechanism; 601, rotating shaft; 602, driven gear; 603, driving gear; 604, lever; 7, fixing plate; 8, fixing frame; 801, inclined plate; 802, roller; 9, driving mechanism; 901, second motor; 902, driving wheel; 9 03, threaded rod; 904, driven wheel; 10, mold carrying mechanism; 1001, bottom plate; 1002, connecting block; 1003, mounting frame; 1004, guide rod; 1005, vertical rod; 1006, first spring; 1007, bracket; 1008, slider; 1009, connecting rod; 11, positioning mechanism; 1101, movable plate; 1102, cross bar; 1103, arc panel; 1104, second spring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 7The present invention provides a technical solution: a halogen-free flame-retardant PC material containing no fluorine element and a production device and method thereof, comprising a mounting platform 1, a driving mechanism 9 and a mold-carrying mechanism 10, a fixing plate 7 is fixed on the left side of the mounting platform 1, a fixing frame 8 is fixed on the upper end surface of the fixing plate 7, a driving mechanism 9 is installed on the fixing frame 8, the driving mechanism 9 is connected to the mold-carrying mechanism 10, a positioning mechanism 11 is installed on the mold-carrying mechanism 10, and the driving mechanism 9 comprises a second motor 901, a driving wheel 902, a threaded rod 90 3 and a driven wheel 904, the second motor 901 is fixed on the fixing frame 8, the output end of the second motor 901 is fixed with a driving wheel 902, the threaded rod 903 is connected to the fixing frame 8 by a bearing, the threaded rod 903 is fixed with a driven wheel 904, the driven wheel 904 is connected to the driving wheel 902 by a belt, and the mold carrying mechanism 10 includes a bottom plate 1001, a connecting block 1002, a mounting frame 1003, a guide rod 1004, a vertical rod 1005, a first spring 1006, a bracket 100 7. Sliding block 1008 and connecting rod 1009. The bottom plate 1001 is arranged above the fixed plate 7. The connecting block 1002 is fixed symmetrically on the bottom plate 1001. The connecting block 1002 is connected to the threaded rod 903 through a thread. The mounting frame 1003 is symmetrically arranged on the top of the bottom plate 1001. The guide rod 1004 is fixed on the mounting frame 1003. The lower end surface of the mounting frame 1003 is symmetrically fixed with a vertical rod 1005. There is a sliding member between the vertical rod 1005 and the bottom plate 1001. The mounting frame 1003 is connected to the bottom surface of the mounting frame 1003, and one end of the first spring 1006 is fixed to the bottom surface of the mounting frame 1003. The other end of the first spring 1006 is fixed to the bottom plate 1001. A bracket 1007 is arranged above the mounting frame 1003. A slider 1008 is fixed to the bottom surface of the bracket 1007. The slider 1008 is slidably connected to the guide rod 1004. The lower end surface of the bracket 1007 is also rotatably connected to one end of a connecting rod 1009. The other end of the connecting rod 1009 is rotatably connected to the bottom plate 1001.

[0019] A heating sleeve 301 is evenly installed on the outer surface of the extruder 3, and a mold flange 302 is fixed to the left end discharge port of the extruder 3; an inclined plate 801 is also symmetrically fixed to the fixed frame 8, and a roller 802 is also connected to the fixed frame 8 by a bearing, and the lower end surface of the roller 802 is flush with the upper end surface of the mold flange 302; the positioning mechanism 11 includes a movable plate 1101, a cross bar 1102, an arc plate 1103 and a second spring 1104, the movable plate 1101 is arranged above the bracket 1007, and one end of the cross bar 1102 is symmetrically fixed to the movable plate 1101, and the cross bar 1102 is slidably connected to the bracket 1007; the other end of the cross bar 1102 is fixed to the arc plate 1103, and the arc plate 1103 is slidably connected to the inclined plate 801, and one end of the second spring 1104 is fixed to the arc plate 1103, and the other end of the second spring 1104 is fixed to the bracket 1007; When using the production equipment of the fluorine-free halogen-free flame-retardant PC material, such as Figure 1-Figure 7 As shown, firstly, according to the production needs, a suitable mold is selected for installation, and the mold is placed on the bracket 1007. Then, by starting the second motor 901, the second motor 901 drives the driving wheel 902 to rotate, and the transmission effect between the driving wheel 902 and the driven wheel 904 can make the two threaded rods 903 rotate synchronously, and then with the threaded connection between the threaded rod 903 and the connecting block 1002, the bottom plate 1001, the bracket 1007 and the mold can be moved upward, and when the bracket 1007 moves upward, the arc panel 1103 is synchronously driven to move upward. When the arc panel 1103 contacts and slides with the inclined panel 801, the arc panel 1103 is forced to move, and the sliding action between the cross bar 1102 and the bracket 1007 makes the movable plate 1101 move synchronously. When the movable plate 1101 contacts the mold, the mold can be pushed. Through the pushing action of the two sets of movable plates 1101, the mold can be moved to the middle position of the bracket 1007, thereby realizing the adjustment of the mold position. When the arc panel 1103 continues to move upward and separates from the inclined panel 801, the elastic action of the second spring 1104 is cooperated. The movable plate 1101 can be automatically reset to avoid the movable plate 1101 affecting the lateral movement of the subsequent mold. At this time, the bottom plate 1001, the bracket 1007 and the mold continue to move upward. When the mold moves to the lower end surface of the roller 802, the height positioning of the mold is achieved. At this time, the bottom plate 1001 continues to move upward, and the elastic effect of the first spring 1006 reduces the distance between the bottom plate 1001 and the bracket 1007. The transmission effect of the connecting rod 1009 can make the bracket 1007 move horizontally under force, and cooperate with the slider 1008 and the guide The sliding guide between the rods 1004 can ensure the stability of the movement of the bracket 1007, thereby realizing the lateral movement of the mold. Since the size of the mold is equal to the size of the mold flange 302, when the mold bracket 1007 drives the mold to move horizontally, the bracket 1007 contacts the lower end surface of the mold flange 302 and can slide, ensuring the normal lateral movement of the mold until the mold contacts the mold flange 302, thereby realizing the automatic positioning of the mold. Finally, the mold and the mold flange 302 can be manually locked by bolts, which is convenient and simple to operate. A control panel 2 is fixed to the upper end surface of the mounting platform 1, and an extruder 3 is also fixed to the upper end surface of the mounting platform 1, and the extruder 3 is driven by a first motor 4 fixed to the mounting platform 1, and a feed barrel 5 is installed on the upper end surface of the extruder 3, and a loosening mechanism 6 is installed on the feed barrel 5; the loosening mechanism 6 includes a rotating shaft 601, a driven gear 602, a driving gear 603 and a lever 604, the rotating shaft 601 is connected to the feed barrel 5 by a bearing, and a driven gear 602 is fixed to the right end of the rotating shaft 601, and the driven gear 602 is meshed with the driving gear 603 fixed to the output end of the first motor 4; a lever 604 is also fixed to the rotating shaft 601, and the lever 604 is arranged in the feed barrel 5; After the mold is installed, Figure 1-Figure 3 As shown, the material is put into the feed barrel 5, and the first motor 4 and the heating sleeve 301 are started. The material enters the extruder 3 through the feed barrel 5. With the action of the heating sleeve 301, the heating and melting of the material can be achieved. The first motor 4 drives the screw conveying rod of the extruder 3 to rotate, so that the molten material can be moved, and the material can be extruded through the mold. During the extrusion process, the first motor 4 can synchronously drive the driving gear 603 to rotate, and with the transmission effect between the driving gear 603 and the driven gear 602, the rotating shaft 601 and the shifting rod 604 can be rotated. Through the action of the shifting rod 604, the material in the feed barrel 5 can be shifted, so as to avoid the material in the feed barrel 5 from being blocked and affecting the normal feeding effect, thereby ensuring the normal operation of the device; The production method of halogen-free flame-retardant PC material containing no fluorine element comprises the following steps: Step 1: Place the mold on the bracket 1007, and drive the mold upward through the action of the second motor 901, the driving wheel 902, the threaded rod 903, the driven wheel 904 and the connecting block 1002. With the action of the movable plate 1101, the cross bar 1102, the arc panel 1103, the second spring 1104 and the inclined panel 801, the mold can be moved to the middle position of the bracket 1007 when the mold moves upward. When the mold contacts the roller 802, with the action of the connecting rod 1009, the bracket 1007 and the mold can be moved toward the mold flange 302 to facilitate the installation of the mold. Step 2: Put the material into the feed barrel 5, and the material enters the extruder 3 through the feed barrel 5. With the action of the lever 604, the material can be moved to avoid material blockage. Then, the heating sleeve 301 and the extruder 3 are used to melt the material and extrude it, thereby realizing the production of halogen-free flame-retardant PC material. The ratio of halogen-free flame-retardant PC materials without fluorine elements includes: polycarbonate PC 75%-95%, halogen-free flame retardant 0.05%-0.1%, organic montmorillonite 5%-15%, anti-dripping agent 0.1%-1%, hydrolysis stabilizer 0.1%-1%, antioxidant 0.1%-0.5%, and lubricant 0.1%-1%.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A production device for a halogen-free flame-retardant PC material containing no fluorine element, comprising a mounting platform (1), a driving mechanism (9) and a mold-carrying mechanism (10), wherein a fixing plate (7) is fixed on the left side of the mounting platform (1), a fixing frame (8) is fixed on the upper end surface of the fixing plate (7), a driving mechanism (9) is installed on the fixing frame (8), the driving mechanism (9) is connected to the mold-carrying mechanism (10), and a positioning mechanism (11) is installed on the mold-carrying mechanism (10), characterized in that: The driving mechanism (9) comprises a second motor (901), a driving wheel (902), a threaded rod (903) and a driven wheel (904); the second motor (901) is fixed on a fixed frame (8); the driving wheel (902) is fixed to the output end of the second motor (901); the threaded rod (903) is bearing-connected to the fixed frame (8); the driven wheel (904) is fixed to the threaded rod (903); the driven wheel (904) is connected to the driving wheel (902) via a belt. ) are connected to each other, the mold carrying mechanism (10) comprises a bottom plate (1001), a connecting block (1002), a mounting frame (1003), a guide rod (1004), a vertical rod (1005), a first spring (1006), a bracket (1007), a slider (1008) and a connecting rod (1009), the bottom plate (1001) is arranged above the fixing plate (7), the connecting blocks (1002) are symmetrically fixed to the bottom plate (1001), and the connecting blocks (1002) are arranged on the bottom plate (1001) ) are connected to the threaded rod (903) through a thread, a mounting frame (1003) is symmetrically arranged above the bottom plate (1001), a guide rod (1004) is fixed to the mounting frame (1003), a vertical rod (1005) is symmetrically fixed to the lower end surface of the mounting frame (1003), the vertical rod (1005) and the bottom plate (1001) are slidably connected, and one end of a first spring (1006) is also fixed to the lower end surface of the mounting frame (1003), and the first spring (1006) is fixed to the lower end surface of the mounting frame (1003). The other end of a spring (1006) is fixed on the bottom plate (1001), and a bracket (1007) is arranged above the mounting frame (1003). A slider (1008) is fixed to the lower end surface of the bracket (1007), and the slider (1008) is slidably connected to the guide rod (1004). The lower end surface of the bracket (1007) is also rotatably connected to one end of a connecting rod (1009), and the other end of the connecting rod (1009) is rotatably connected to the bottom plate (1001).

2. The production equipment of a fluorine-free halogen-retardant PC material according to claim 1, characterized in that: A control panel (2) is fixed to the upper end surface of the mounting platform (1), and an extruder (3) is also fixed to the upper end surface of the mounting platform (1), and the extruder (3) is driven by a first motor (4) fixed to the mounting platform (1), and a feed barrel (5) is installed on the upper end surface of the extruder (3), and a loosening mechanism (6) is installed on the feed barrel (5).

3. The production equipment of a fluorine-free halogen-retardant PC material according to claim 2, characterized in that: A heating sleeve (301) is evenly installed on the outer surface of the extruder (3), and a mold flange (302) is fixed to the discharge port at the left end of the extruder (3).

4. The production equipment of a fluorine-free halogen-retardant PC material according to claim 2, characterized in that: The loosening mechanism (6) comprises a rotating shaft (601), a driven gear (602), a driving gear (603) and a lever (604); the rotating shaft (601) is bearing-connected to the feed barrel (5); a driven gear (602) is fixed to the right end of the rotating shaft (601); and the driven gear (602) is meshed with the driving gear (603) fixed to the output end of the first motor (4).

5. The production equipment of a fluorine-free halogen-retardant PC material according to claim 4, characterized in that: A lever (604) is also fixed on the rotating shaft (601), and the lever (604) is arranged in the feeding barrel (5).

6. The production equipment of a fluorine-free halogen-retardant PC material according to claim 3, characterized in that: The fixing frame (8) is also provided with inclined panels (801) symmetrically fixed front and rear, and a roller (802) is also connected to the fixing frame (8) via a bearing, and the lower end surface of the roller (802) is flush with the upper end surface of the mold flange (302).

7. The production equipment of a fluorine-free halogen-retardant PC material according to claim 6, characterized in that: The positioning mechanism (11) comprises a movable plate (1101), a cross bar (1102), a curved plate (1103) and a second spring (1104); the movable plate (1101) is arranged above the bracket (1007); one end of the cross bar (1102) is symmetrically fixed to the movable plate (1101) in the front and rear directions; and the cross bar (1102) and the bracket (1007) are slidably connected.

8. The production equipment of a fluorine-free halogen-retardant PC material according to claim 7, characterized in that: The other end of the cross bar (1102) is fixed on the arc panel (1103), and the arc panel (1103) is slidably connected to the inclined panel (801). One end of a second spring (1104) is fixed on the arc panel (1103), and the other end of the second spring (1104) is fixed on the bracket (1007).

9. A method for producing a halogen-free flame-retardant PC material containing no fluorine element, using the production equipment of the halogen-free flame-retardant PC material containing no fluorine element as claimed in any one of claims 1 to 8, characterized in that: The production method of the halogen-free flame-retardant PC material containing no fluorine element comprises the following steps: Step 1: Place the mold on the bracket (1007), and drive the mold upward through the action of the second motor (901), the driving wheel (902), the threaded rod (903), the driven wheel (904) and the connecting block (1002). With the action of the movable plate (1101), the cross bar (1102), the arc panel (1103), the second spring (1104) and the inclined panel (801), the mold can be moved to the middle position of the bracket (1007) when the mold moves upward. When the mold contacts the roller (802), with the action of the connecting rod (1009), the bracket (1007) and the mold can be moved toward the mold flange (302) to facilitate the installation of the mold. Step 2: The material is put into the feed barrel (5), and the material enters the extruder (3) through the feed barrel (5). With the help of the lever (604), the material can be moved to avoid material blockage. Then, the heating sleeve (301) and the extruder (3) are used to melt the material and extrude it, thereby realizing the production of halogen-free flame-retardant PC material.

10. A halogen-free flame-retardant PC material containing no fluorine element, which is applied by the production method of a halogen-free flame-retardant PC material containing no fluorine element as claimed in claim 9, characterized in that: The ratio of the halogen-free flame-retardant PC material containing no fluorine element includes: 75%-95% polycarbonate, 0.05%-0.1% halogen-free flame retardant, 5%-15% organic montmorillonite, 0.1%-1% anti-dripping agent, 0.1%-1% hydrolysis stabilizer, 0.1%-0.5% antioxidant, and 0.1%-1% lubricant.

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