Thermal forming device for PC plastic processing and forming method thereof

Abstract

The invention relates to the technical field of thermal forming, and discloses a thermal forming device for PC plastic processing and a forming method thereof.The thermal forming device comprises a driving mechanism, the driving mechanism further comprises a base, the top of the base is fixedly connected with a plurality of supporting rods, and the sides, close to each other, of the supporting rods are fixedly connected with a main body; when a first rack moves downwards, a rectangular block is driven by a connecting rod to move downwards, when the rectangular block moves downwards, a second inclined plate is driven to move downwards along the inner wall of a main body, the inner wall of the main body is in a wide-end-up shape, and due to limitation of the second inclined plate and the main body, the second inclined plate is tightly attached to the rectangular block; after being tightly attached to a rectangular block, a second inclined plate continues to move downwards, the rectangular block can extrude gas in a main body, the gas in the main body can extrude a PC plastic plate placed on a top plate downwards after being extruded, and the PC plastic plate is influenced by a splitter plate; and the splitter plate can guide and disperse the extrusion gas to the surface of the PC plastic plate.

Description

Technical Field

[0001] The present invention relates to the technical field of thermoforming, in particular to a thermoforming device and a molding method for PC plastic processing. Background Art

[0002] Transparent polycarbonate sheets have good light transmittance, excellent impact resistance, high temperature resistance, good flame retardant properties, non-toxicity and other comprehensive properties. They can replace glass materials and are widely used in transparent window materials, high-rise building curtain walls, transparent building materials for airports and stadiums, outer cover materials for lighting fixtures, display panels, etc.

[0003] When the PC plastic plate is heated and softened for thermoforming, blowing compressed air directly onto the PC plate may cause the wind pressure at the air outlet to be too high, which will cause damage and deformation to the workpiece. It may also cause uneven airflow distribution inside the mold, which in turn causes uneven thickness of the thin wall of the molded part. To address the above problems, the following solutions are proposed. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a thermoforming device for PC plastic processing, comprising a driving mechanism, the driving mechanism also comprising a base, the top of the base is fixedly connected with a plurality of support rods, and the side of the plurality of support rods close to each other is fixedly connected with a main body;

[0005] The air intake mechanism has a rectangular plate fixedly connected to the top of the main body, a plurality of filter holes are opened on the top of the rectangular plate, and a plurality of strip blocks are fixedly connected to the top of the rectangular plate;

[0006] The molding mechanism has a second slide groove at the bottom of the main body, a sealing plate is slidably connected in the second slide groove, a control rod is fixedly connected to the side wall of the sealing plate, and a plurality of diverter plates are fixedly connected to the inner wall of the sealing plate.

[0007] Preferably, the driving mechanism also includes a slide groove 1 opened on the top of the base, a rack 1 is slidably connected in the slide groove 1, a plurality of support plates are fixedly connected to the outer wall of the base, a transmission gear is rotatably connected to one side of the plurality of support plates close to each other, the transmission gear is meshed with the rack 1, a driving motor is fixedly connected to the outer wall of the support plate located on the right side, the output shaft of the driving motor passes through the corresponding support plate and is fixedly connected to the transmission gear, the driving motor is started, the driving motor drives the transmission gear to rotate, the transmission gear is meshed with the rack 1, and the transmission gear rotates to force the rack 1 to move downward.

[0008] Preferably, the driving mechanism also includes a U-shaped rod slidably connected to the top of the base, an annular plate is fixedly connected to the outer wall of the U-shaped rod, a telescopic spring is sleeved on the outer wall of the U-shaped rod, the telescopic spring is fixedly connected to the annular plate on one side away from the base, and the other end of the telescopic spring is fixedly connected to the base, and a top plate is fixedly connected to the top of the U-shaped rod. After the pressure plate moves downward, it contacts the U-shaped rod, so that the U-shaped rod is squeezed and slides downward. After the U-shaped rod moves downward, it can drive the top plate to move downward, so that the PC plastic plate can be moved to the position of the mold groove. When the thermoforming is completed, the pressure plate no longer squeezes the U-shaped rod, so that the squeezing force of the telescopic spring by the pressure plate disappears, thereby driving the top plate to move upward. After the top plate moves upward, it can push the formed workpiece upward to complete the demolding of the workpiece, thereby improving the processing rate of the PC plastic.

[0009] Preferably, the air intake mechanism also includes a connecting rod slidably connected to the top of the rectangular plate, one end of the connecting rod away from the rectangular plate is fixedly connected to a connecting plate, one end of the connecting plate away from the connecting rod is fixedly connected to rack one, a rack two is fixedly connected to the inner wall of the strip block, a transmission gear two is meshingly connected to the rack two, a circular rod is fixedly connected to the side wall of the transmission gear two, when the circular rod moves outward, the transmission gear two follows the circular rod and is restricted by the rack two, so that the transmission gear two rotates when it moves outward, and after the rotation of the transmission gear two, it can drive the soft brush to clean the impurities adsorbed on the filter hole. The setting of the filter hole can ensure that the gas entering the main body will not be mixed with impurities, so as to ensure the quality of the PC plastic plate during thermoforming, and the impurities adsorbed on the filter hole can be cleaned to ensure the smoothness of the gas entering the main body, thereby ensuring the efficiency and quality during thermoforming.

[0010] Preferably, the air intake mechanism also includes a soft brush fixedly connected to the outer wall of the circular rod, a connecting strip is rotatably connected to the outer wall of the circular rod, a fixed block is rotatably connected to the side of the connecting strip away from the circular rod, the fixed block is fixedly connected to the outer wall of the connecting rod, when the connecting rod moves downward, it drives the fixed block to move downward, and after the fixed block moves downward, it forces the connecting strip to move downward, thereby causing the circular rod to move outward.

[0011] Preferably, the forming mechanism also includes a pressure plate fixedly connected to the outer wall of the control rod, a movable groove 1 is opened on the side wall of the main body, a plurality of return springs are fixedly connected to the top inner wall of the movable groove 1, a movable block is slidably connected in the movable groove 1, the bottom of the movable block is fixedly connected to the control rod, and the top of the movable block is fixedly connected to the plurality of return springs. When the movable block moves downward, the pressure plate can be driven to move downward through the control rod, and after moving downward, the pressure plate contacts the U-shaped rod, so that the U-shaped rod is squeezed and slides downward.

[0012] Preferably, the forming mechanism also includes a spring telescopic rod 1 fixedly connected to the side wall of the movable block, the spring telescopic rod 1 is fixedly connected to an inclined plate 1 on the side away from the movable block, and the side wall of the rack 1 is fixedly connected to the inclined block, the inclined block contacts the inclined plate 1, and the rack 1 moves downward and drives the inclined block to move downward, and the inclined block contacts the inclined plate 1 when it moves downward. The back of the inclined plate 1 is restricted by the main body at this time and can only move up and down, and then the inclined block moves downward and drives the inclined plate 1 downward. When the inclined plate 1 moves downward, it can drive the sealing plate to slide downward in the slide groove 2 through the control rod, and the sealing plate contacts the top of the base after sliding downward, so that a sealed space can be formed in the mold groove, which is convenient for subsequent forming work.

[0013] Preferably, the forming mechanism also includes a rectangular block fixedly connected to the bottom end of the connecting rod, a plurality of movable grooves 2 are opened on the side wall of the rectangular block, a spring telescopic rod 2 is fixedly connected to the inner wall of the movable groove 2, and an inclined plate 2 is fixedly connected to the side of the spring telescopic rod 2 away from the movable groove 2, and the outer wall of the inclined plate 2 is in contact with the inner wall of the main body. The force when the rectangular block moves downward is utilized. When the rectangular block moves upward, it is restricted by the shape of the main body and the inclined plate 2. After the rectangular block moves upward, it drives the inclined plate 2 to move upward. At this time, the inclined plate 2 and the rectangular block are in a close contact state. After the inclined plate 2 moves upward, it can attract the cooled thermoformed parts to move upward, which can facilitate the demolding of the thermoformed parts.

[0014] A forming method of a thermoforming device for PC plastic processing, comprising the following steps:

[0015] S1: When in use, first place the heated PC plastic plate on top of the top plate, then start the drive motor, which drives the transmission gear to rotate, and the transmission gear rotates to force the rack to move downward;

[0016] S2: When the rack 1 moves downward, the connecting rod drives the rectangular block to move downward, and when the rectangular block moves downward, the inclined plate 2 is driven to move downward along the inner wall of the main body;

[0017] S3: Using the force of the rectangular block moving downward, when the rectangular block moves upward, it is restricted by the shape of the main body and the second inclined plate, and the rectangular block moves upward, driving the second inclined plate to move upward;

[0018] S4: When the connecting rod moves downward, it drives the fixed block to move downward. After the fixed block moves downward, it forces the connecting strip to move downward, thereby causing the circular rod to move outward.

[0019] The present invention has the following beneficial effects:

[0020] 1. The present invention aims at the problem that directly blowing compressed air to the PC board may cause excessive wind pressure at the air outlet, thereby causing damage and deformation of the workpiece. When the rack 1 moves downward, the rectangular block is driven to move downward through the connecting rod. When the rectangular block moves downward, the inclined plate 2 is driven to move downward along the inner wall of the main body. The inner wall of the main body presents a shape that is wide at the top and narrow at the bottom. The inclined plate 2 and the main body are restricted so that the inclined plate 2 and the rectangular block are in close contact. After the inclined plate 2 and the rectangular block are in close contact, they continue to move downward, which causes the rectangular block to squeeze the gas in the main body. After being squeezed, the gas in the main body can squeeze the PC plastic plate placed on the top plate downward. When the gas is blown to the PC plastic plate, it is affected by the diverter plate. When the extruded gas enters the diverter plate, the diverter plate can guide and disperse the extruded gas to the surface of the PC plastic plate, so that the PC plastic plate can form a uniform wall thickness inside the mold groove, avoid some parts of the workpiece from being too thin or too thick, and ensure the strength and stability of the entire molded part.

[0021] 2. When the PC plastic plate needs to be processed, the heated PC plastic plate is first placed above the top plate, and then the driving motor is started. The driving motor drives the transmission gear to rotate, and the transmission gear meshes with the rack 1. After the transmission gear rotates, it forces the rack 1 to move downward. After the rack 1 moves downward, it drives the tilting block to move downward. When the tilting block moves downward, it contacts the tilting plate 1. The back of the tilting plate 1 is restricted by the main body at this time and can only move up and down. Then, after the tilting block moves downward, it drives the tilting plate 1 to move downward. While the tilting plate 1 moves downward, it can drive the sealing plate to slide downward in the slide groove 2 through the control rod. After the sealing plate slides downward, it contacts the top of the base, so that a sealed space can be formed in the mold groove, which is convenient for subsequent molding work.

[0022] 3. The present invention utilizes the force when the rectangular block moves downward. When the rectangular block moves upward, it is restricted by the shape of the main body and the inclined plate 2. After the rectangular block moves upward, it drives the inclined plate 2 upward. At this time, the inclined plate 2 and the rectangular block are in a close contact state. After the inclined plate 2 moves upward, it can attract the cooled hot-formed part to move upward, which can facilitate the demolding of the hot-formed part. When the movable block moves downward, the pressure plate can be driven to move downward through the control rod. After the pressure plate moves downward, it contacts the U-shaped rod, so that the U-shaped rod is squeezed and slides downward. After the U-shaped rod moves downward, it can drive the top plate to move downward, so that the PC plastic plate can be moved to the position of the mold groove. When the hot forming is completed, the pressure plate no longer squeezes the U-shaped rod, so that the extrusion force of the telescopic spring caused by the pressure plate disappears, thereby driving the top plate to move upward. After the top plate moves upward, it can push the formed workpiece upward to complete the demolding of the workpiece, thereby improving the processing rate of the PC plastic.

[0023] 4. When the connecting rod of the present invention moves downward, it drives the fixed block to move downward. After the fixed block moves downward, it forces the connecting strip to move downward, thereby causing the circular rod to move outward. When the circular rod moves outward, the transmission gear 2 follows the circular rod and is restricted by the rack 2, thereby causing the transmission gear 2 to rotate when moving outward. After the rotation of the transmission gear 2, it can drive the soft brush to clean the impurities adsorbed on the filter hole. The setting of the filter hole can ensure that the gas entering the main body will not be mixed with impurities, thereby ensuring the quality of the PC plastic plate during thermoforming. Cleaning the impurities adsorbed on the filter hole can ensure the smoothness of the gas entering the main body, thereby ensuring the efficiency and quality during thermoforming. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a partial cross-sectional schematic diagram of the driving mechanism of the present invention;

[0027] Figure 3 It is a schematic diagram of the air intake mechanism of the present invention;

[0028] Figure 4 For the present invention Figure 3 A is an enlarged schematic diagram;

[0029] Figure 5 It is a schematic cross-sectional view of part of the structure of the molding mechanism of the present invention;

[0030] Figure 6 For the present invention Figure 5 A magnified schematic diagram of B;

[0031] Figure 7 It is a cross-sectional schematic diagram of the forming mechanism of the present invention;

[0032] Figure 8 For the present invention Figure 7 A magnified schematic diagram of middle C;

[0033] Fig. 9 It is a schematic diagram of the working process of the present invention.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] In the figure: 1. driving mechanism; 101. base; 102. support rod; 103. main body; 104. slide groove 1; 105. rack 1; 106. support plate; 107. transmission gear; 108. driving motor; 109. U-shaped rod; 110. annular plate; 111. telescopic spring; 112. top plate; 2. air intake mechanism; 201. rectangular plate; 202. filter hole; 203. strip block; 204. connecting rod; 205. connecting plate; 206. rack 2; 207. transmission gear 2; 208, round rod; 209, soft brush; 210, connecting strip; 211, fixed block; 3, forming mechanism; 301, slide groove 2; 302, sealing plate; 32, diverter plate; 303, control rod; 304, pressure plate; 305, movable groove 1; 306, reset spring; 307, movable block; 308, spring telescopic rod 1; 309, tilting plate 1; 310, tilting block; 311, rectangular block; 312, movable groove 2; 313, spring telescopic rod 2; 314, tilting plate 2. DETAILED DESCRIPTION

[0036] 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.

[0037] For example, see Figure 1 - Figure 3 The present invention is a thermoforming device for PC plastic processing, comprising a driving mechanism 1, the driving mechanism 1 also comprising a base 101, a plurality of support rods 102 are fixedly connected to the top of the base 101, and a body 103 is fixedly connected to the side where the plurality of support rods 102 are close to each other;

[0038] Intake mechanism 2, a rectangular plate 201 is fixedly connected to the top of the main body 103, a plurality of filter holes 202 are opened on the top of the rectangular plate 201, and a plurality of strip blocks 203 are fixedly connected to the top of the rectangular plate 201;

[0039] The molding mechanism 3 has a second slide groove 301 at the bottom of the main body 103, a sealing plate 302 is slidably connected in the second slide groove 301, a control rod 303 is fixedly connected to the side wall of the sealing plate 302, and a plurality of diverter plates 32 are fixedly connected to the inner wall of the sealing plate 302.

[0040] The driving mechanism 1 also includes a slide groove 104 opened on the top of the base 101, and a rack 105 is slidably connected in the slide groove 104. A plurality of support plates 106 are fixedly connected to the outer wall of the base 101, and a transmission gear 107 is rotatably connected to the side where the plurality of support plates 106 are close to each other, and the transmission gear 107 is meshed with the rack 105. A driving motor 108 is fixedly connected to the outer wall of the support plate 106 located on the right side, and the output shaft of the driving motor 108 passes through the corresponding support plate 106 and is fixedly connected to the transmission gear 107. When the driving motor 108 is started, the driving motor 108 drives the transmission gear 107 to rotate, and the transmission gear 107 is meshed with the rack 105. After the transmission gear 107 rotates, it forces the rack 105 to move downward.

[0041] The driving mechanism 1 also includes a U-shaped rod 109 slidably connected to the top of the base 101, an annular plate 110 is fixedly connected to the outer wall of the U-shaped rod 109, a telescopic spring 111 is sleeved on the outer wall of the U-shaped rod 109, the telescopic spring 111 is fixedly connected to the annular plate 110 on one side away from the base 101, and the other end of the telescopic spring 111 is fixedly connected to the base 101, and the top of the U-shaped rod 109 is fixedly connected to the top plate 112, and the pressure plate 304 moves downward and contacts the U-shaped rod 109, so that the U-shaped rod 109 is squeezed and slides downward. After the U-shaped rod 109 moves downward, it can drive the top plate 112 to move downward, so that the PC plastic plate can be moved to the position of the mold groove. After the thermoforming is completed, the pressing plate 304 no longer squeezes the U-shaped rod 109, so that the squeezing force of the telescopic spring 111 by the pressing plate 304 disappears, thereby driving the top plate 112 to move upward. After the top plate 112 moves upward, it can push the molded workpiece upward to complete the demoulding of the workpiece, thereby improving the processing rate of the PC plastic.

[0042] For example 2, please refer to Figure 4 - Figure 8The present invention is a thermoforming device for PC plastic processing. On the basis of Example 1, the air intake mechanism 2 also includes a connecting rod 204 slidably connected to the top of the rectangular plate 201, and the end of the connecting rod 204 away from the rectangular plate 201 is fixedly connected to a connecting plate 205, and the end of the connecting plate 205 away from the connecting rod 204 is fixedly connected to the rack 105, and the inner wall of the bar block 203 is fixedly connected to a rack 206, and the rack 206 is meshed with a transmission gear 207, and the side wall of the transmission gear 207 is fixedly connected to a round rod 208. When the round rod 208 moves outward, The transmission gear 207 moves with the circular rod 208 and is restricted by the rack 206, so that the transmission gear 207 rotates when moving outward. After the rotation of the transmission gear 207, it can drive the soft brush 209 to clean the impurities adsorbed on the filter hole 202. The setting of the filter hole 202 can ensure that the gas entering the main body 103 will not be mixed with impurities, which can ensure the quality of the PC plastic plate during thermoforming. Cleaning the impurities adsorbed on the filter hole 202 can ensure the smoothness of the gas entering the main body 103, thereby ensuring the efficiency and quality during thermoforming.

[0043] The air intake mechanism 2 also includes a soft brush 209 fixedly connected to the outer wall of the circular rod 208. A connecting strip 210 is rotatably connected to the outer wall of the circular rod 208. A fixing block 211 is rotatably connected to the side of the connecting strip 210 away from the circular rod 208. The fixing block 211 is fixedly connected to the outer wall of the connecting rod 204. When the connecting rod 204 moves downward, it drives the fixing block 211 to move downward. After the fixing block 211 moves downward, it forces the connecting strip 210 to move downward, thereby causing the circular rod 208 to move outward.

[0044] The forming mechanism 3 also includes a pressure plate 304 fixedly connected to the outer wall of the control rod 303, a movable groove 305 is opened on the side wall of the main body 103, a plurality of return springs 306 are fixedly connected to the top inner wall of the movable groove 305, a movable block 307 is slidably connected in the movable groove 305, the bottom of the movable block 307 is fixedly connected to the control rod 303, and the top of the movable block 307 is fixedly connected to the plurality of return springs 306. When the movable block 307 moves downward, the pressure plate 304 can be driven to move downward through the control rod 303, and the pressure plate 304 contacts the U-shaped rod 109 after moving downward, so that the U-shaped rod 109 is squeezed and slides downward.

[0045] The molding mechanism 3 also includes a spring telescopic rod 308 fixedly connected to the side wall of the movable block 307. The spring telescopic rod 308 is fixedly connected to an inclined plate 309 on the side away from the movable block 307. A tilting block 310 is fixedly connected to the side wall of the rack 105. The tilting block 310 contacts the inclined plate 309. After the rack 105 moves downward, it drives the tilting block 310 to move downward. When the tilting block 310 moves downward, it contacts the inclined plate 309. The back of the inclined plate 309 is restricted by the main body 103 and can only move up and down. Then, after the tilting block 310 moves downward, it drives the inclined plate 309 to move downward. While the inclined plate 309 moves downward, it can drive the sealing plate 302 to slide downward in the slide groove 2 301 through the control rod 303. After the sealing plate 302 slides downward, it contacts the top of the base 101, so that a sealed space can be formed in the mold groove, which is convenient for subsequent molding work.

[0046] The forming mechanism 3 also includes a rectangular block 311 fixedly connected to the bottom end of the connecting rod 204, and a plurality of movable grooves 2 312 are opened on the side wall of the rectangular block 311, and a spring telescopic rod 2 313 is fixedly connected to the inner wall of the movable groove 2 312, and a tilting plate 2 314 is fixedly connected to the side of the spring telescopic rod 2 313 away from the movable groove 2 312, and the outer wall of the tilting plate 2 314 contacts the inner wall of the main body 103, and the force when the rectangular block 311 moves downward is utilized. When the rectangular block 311 moves upward, it is restricted by the shape of the main body 103 and the tilting plate 2 314, and the rectangular block 311 moves upward and then drives the tilting plate 2 314 to move upward. At this time, the tilting plate 2 314 and the rectangular block 311 are in a close contact state. After the tilting plate 2 314 moves upward, it can attract the cooled thermoformed parts to move upward, which can facilitate the demolding of the thermoformed parts.

[0047] The forming method of the thermoforming device comprises the following steps:

[0048] S1: When in use, first place the heated PC plastic plate on the top plate 112, then start the driving motor 108, the driving motor 108 drives the transmission gear 107 to rotate, and the transmission gear 107 rotates to force the rack 105 to move downward;

[0049] S2: When the rack 105 moves downward, the connecting rod 204 drives the rectangular block 311 to move downward. When the rectangular block 311 moves downward, the inclined plate 2 314 is driven to move downward along the inner wall of the main body 103;

[0050] S3: Using the force of the rectangular block 311 when it moves downward, when the rectangular block 311 moves upward, it is restricted by the shape of the main body 103 and the second inclined plate 314, and the rectangular block 311 moves upward, driving the second inclined plate 314 to move upward;

[0051] S4: When the connecting rod 204 moves downward, it drives the fixing block 211 to move downward. After the fixing block 211 moves downward, it forces the connecting strip 210 to move downward, thereby causing the circular rod 208 to move outward.

[0052] A specific application of this embodiment is:

[0053] When the PC plastic plate needs to be processed, the heated PC plastic plate is first placed above the top plate 112, and then the driving motor 108 is started. The driving motor 108 drives the transmission gear 107 to rotate, and the transmission gear 107 meshes with the rack 105. After the transmission gear 107 rotates, it forces the rack 105 to move downward. After the rack 105 moves downward, it drives the tilting block 310 to move downward. When the tilting block 310 moves downward, it contacts the tilting plate 1 309. The back of the tilting plate 1 309 is restricted by the main body 103 at this time and can only move up and down. Then, the tilting block 310 moves downward and drives the tilting plate 1 309 to move downward. When the tilting plate 1 309 moves downward, it can drive the sealing plate 302 to slide downward in the slide groove 2 301 through the control rod 303. After the sealing plate 302 slides downward, it contacts the top of the base 101, so that a sealed space can be formed in the mold groove, which is convenient for subsequent molding work.

[0054] When the rack 105 moves downward, the rectangular block 311 is driven to move downward through the connecting rod 204. When the rectangular block 311 moves downward, the inclined plate 2 314 is driven to move downward along the inner wall of the main body 103. The inner wall of the main body 103 is wide at the top and narrow at the bottom. Restricted by the inclined plate 2 314 and the main body 103, the inclined plate 2 314 and the rectangular block 311 are tightly attached. After the inclined plate 2 314 and the rectangular block 311 are tightly attached, they continue to move downward, which causes the rectangular block 311 to squeeze the gas in the main body 103. After the gas in the main body 103 is squeezed, it can squeeze the PC plastic plate placed on the top plate 112 downward. When the gas blows toward the PC plastic plate, it is affected by the diverter plate 32. When the extruded gas enters the diverter plate 32, the diverter plate 32 can guide and disperse the extruded gas to the surface of the PC plastic plate, so that the PC plastic plate can form a uniform wall thickness inside the mold groove, avoid some parts of the workpiece from being too thin or too thick, and ensure the strength and stability of the entire molded part.

[0055] Squeezing the gas downward can not only complete the molding work, but also accelerate the cooling speed of the PC plastic plate. When the rectangular block 311 moves upward, it is restricted by the shape of the main body 103 and the second inclined plate 314. After the rectangular block 311 moves upward, it drives the second inclined plate 314 to move upward. At this time, the second inclined plate 314 and the rectangular block 311 are in a close contact state. After the second inclined plate 314 moves upward, it can attract the cooled hot molded parts to move upward, which can facilitate the demoulding work of the hot molded parts. When the movable block 307 moves downward, it can drive the pressing plate through the control rod 303. 304 moves downward, and the pressing plate 304 contacts the U-shaped rod 109 after moving downward, so that the U-shaped rod 109 is squeezed and slides downward. After the U-shaped rod 109 moves downward, it can drive the top plate 112 to move downward, so that the PC plastic plate can be moved to the position of the mold groove. When the thermoforming is completed, the pressing plate 304 no longer squeezes the U-shaped rod 109, so that the squeezing force of the telescopic spring 111 by the pressing plate 304 disappears, thereby driving the top plate 112 to move upward. After the top plate 112 moves upward, it can push the formed workpiece upward, thereby completing the demoulding of the workpiece.

[0056] When the connecting rod 204 moves downward, it drives the fixed block 211 to move downward. After the fixed block 211 moves downward, it forces the connecting strip 210 to move downward, thereby causing the circular rod 208 to move outward. When the circular rod 208 moves outward, the transmission gear 207 follows the circular rod 208 and is restricted by the rack 206, thereby causing the transmission gear 207 to rotate when moving outward. After the transmission gear 207 rotates, it can drive the soft brush 209 to clean the impurities adsorbed on the filter hole 202. The setting of the filter hole 202 can ensure that the gas entering the main body 103 is not mixed with impurities, thereby ensuring the quality of the PC plastic plate during thermoforming. Cleaning the impurities adsorbed on the filter hole 202 can ensure the smoothness of the gas entering the main body 103, thereby ensuring the efficiency and quality during thermoforming.

[0057] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A thermoforming device for PC plastic processing, comprising a driving mechanism (1), the driving mechanism (1) further comprising a base (101), the top of the base (101) being fixedly connected to a plurality of support rods (102), a body (103) being fixedly connected to the side of the plurality of support rods (102) close to each other, characterized in that: Also includes: An air intake mechanism (2), wherein a rectangular plate (201) is fixedly connected to the top of the main body (103), a plurality of filter holes (202) are opened on the top of the rectangular plate (201), and a plurality of strip blocks (203) are fixedly connected to the top of the rectangular plate (201); The molding mechanism (3) is provided with a second slide groove (301) at the bottom of the main body (103), a sealing plate (302) is slidably connected in the second slide groove (301), a control rod (303) is fixedly connected to the side wall of the sealing plate (302), and a plurality of diverter plates (32) are fixedly connected to the inner wall of the sealing plate (302).

2. A thermoforming device for PC plastic processing according to claim 1, characterized in that: The driving mechanism (1) further comprises a slide groove (104) provided on the top of the base (101), a rack (105) being slidably connected in the slide groove (104), a plurality of support plates (106) being fixedly connected to the outer wall of the base (101), a transmission gear (107) being rotatably connected to one side of the plurality of support plates (106) close to each other, the transmission gear (107) being meshed with the rack (105), a driving motor (108) being fixedly connected to the outer wall of the support plate (106) on the right side, an output shaft of the driving motor (108) passing through the corresponding support plate (106) and being fixedly connected to the transmission gear (107).

3. A thermoforming device for PC plastic processing according to claim 2, characterized in that: The driving mechanism (1) further comprises a U-shaped rod (109) slidably connected to the top of the base (101); an annular plate (110) is fixedly connected to the outer wall of the U-shaped rod (109); a telescopic spring (111) is sleeved on the outer wall of the U-shaped rod (109); a side of the telescopic spring (111) away from the base (101) is fixedly connected to the annular plate (110); the other end of the telescopic spring (111) is fixedly connected to the base (101); and a top plate (112) is fixedly connected to the top end of the U-shaped rod (109).

4. A thermoforming device for PC plastic processing according to claim 3, characterized in that: The air intake mechanism (2) also includes a connecting rod (204) slidably connected to the top of the rectangular plate (201); one end of the connecting rod (204) away from the rectangular plate (201) is fixedly connected to a connecting plate (205); one end of the connecting plate (205) away from the connecting rod (204) is fixedly connected to a rack 1 (105); a rack 2 (206) is fixedly connected to the inner wall of the bar block (203); a transmission gear 2 (207) is meshedly connected to the rack 2 (206); and a circular rod (208) is fixedly connected to the side wall of the transmission gear 2 (207).

5. A thermoforming device for PC plastic processing according to claim 4, characterized in that: The air intake mechanism (2) also includes a soft brush (209) fixedly connected to the outer wall of the circular rod (208); a connecting strip (210) is rotatably connected to the outer wall of the circular rod (208); a fixing block (211) is rotatably connected to the side of the connecting strip (210) away from the circular rod (208); and the fixing block (211) is fixedly connected to the outer wall of the connecting rod (204).

6. A thermoforming device for PC plastic processing according to claim 5, characterized in that: The forming mechanism (3) further comprises a pressure plate (304) fixedly connected to the outer wall of the control rod (303); a movable groove (305) is provided on the side wall of the main body (103); a plurality of return springs (306) are fixedly connected to the top inner wall of the movable groove (305); a movable block (307) is slidably connected in the movable groove (305); the bottom of the movable block (307) is fixedly connected to the control rod (303); and the top of the movable block (307) is fixedly connected to the plurality of return springs (306).

7. A thermoforming device for PC plastic processing according to claim 6, characterized in that: The forming mechanism (3) further comprises a spring telescopic rod (308) fixedly connected to the side wall of the movable block (307); a side of the spring telescopic rod (308) away from the movable block (307) is fixedly connected to an inclined plate (309); a side wall of the rack (105) is fixedly connected to an inclined block (310); the inclined block (310) is in contact with the inclined plate (309).

8. A thermoforming device for PC plastic processing according to claim 7, characterized in that: The forming mechanism (3) further comprises a rectangular block (311) fixedly connected to the bottom end of the connecting rod (204); a plurality of movable grooves (312) are provided on the side wall of the rectangular block (311); a spring telescopic rod (313) is fixedly connected to the inner wall of the movable groove (312); a side of the spring telescopic rod (313) away from the movable groove (312) is fixedly connected to an inclined plate (314); and an outer wall of the inclined plate (314) contacts the inner wall of the main body (103).

9. A forming method of a thermoforming device for PC plastic processing, using the thermoforming device as claimed in claim 8, characterized in that: The steps include: S1: When in use, first place the heated PC plastic plate on top of the top plate (112), then start the drive motor (108), the drive motor (108) drives the transmission gear (107) to rotate, and the transmission gear (107) rotates to force the rack 1 (105) to move downward; S2: When the rack 1 (105) moves downward, the connecting rod (204) drives the rectangular block (311) to move downward. When the rectangular block (311) moves downward, the inclined plate 2 (314) is driven to move downward along the inner wall of the main body (103); S3: utilizing the force of the rectangular block (311) when it moves downward, when the rectangular block (311) moves upward, it is restricted by the shapes of the main body (103) and the second inclined plate (314), and the rectangular block (311) moves upward, driving the second inclined plate (314) to move upward; S4: When the connecting rod (204) moves downward, it drives the fixing block (211) to move downward. After the fixing block (211) moves downward, it forces the connecting strip (210) to move downward, thereby causing the circular rod (208) to move outward.

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