Heating and baking equipment for automobile lampshade production

Abstract

The invention relates to the technical field of lampshade forming equipment, in particular to heating and baking equipment for automobile lampshade production. Comprising a baking box, a first fixing plate is fixedly connected with electric rotating shafts which are distributed in a rectangular mode, the electric rotating shafts which are distributed in the rectangular mode are jointly wound with a synchronous belt, the synchronous belt is fixedly connected with first fixing pipes which are distributed at equal intervals, a guide shell is fixedly connected into the baking box, and a first sliding plate is arranged between the guide shell and the first fixing plate; and the first sliding plate is fixedly connected with second fixing pipes which are distributed at equal intervals, the second fixing pipes are slidably connected with extrusion plates, and control assemblies are arranged in the second fixing pipes. The softening degree of the acrylic plate is directly displayed in the mode that the acrylic plate is softened and extrudes the extrusion plate, the acrylic plate is directly discharged after being baked, excessive baking or insufficient baking of the acrylic plate is prevented, the baking time does not need to be judged according to the thickness and the material of the acrylic plate, and use is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of lampshade forming equipment, and in particular to a heating and baking equipment for producing automobile lampshades. Background Art

[0002] In the existing automobile lampshade production, injection molding is usually used for large-scale production. However, in some special cases, such as customized modification, discontinuation of original lampshades and testing of a small number of lampshades, some lampshades need to be produced in small batches. Since acrylic sheets are easy to process and have low costs, they are very suitable for small-batch production. Therefore, acrylic sheets are usually used to make lampshades. In the process of making automobile lampshades, the acrylic sheets need to be heated and softened. After the acrylic sheets are softened, the softened acrylic sheets are conveyed to the molding equipment and processed into the required shape to make lampshades. Since it is a small-batch production, the lampshades produced in different batches are different, and the required acrylic sheet thickness is different. When baking acrylic sheets of different sizes and thicknesses, the baking time can only be set based on experience, and the baking degree of the acrylic sheets cannot be accurately controlled. Too long a baking time will cause the acrylic sheet to decompose or generate bubbles. Too short a baking time will cause the temperature to be too low, the material is not softened enough, and it is difficult to form. Too long or too short a baking time will affect the quality of the acrylic sheet after forming. Summary of the invention

[0003] In order to overcome the disadvantage that the existing device can only set the baking time according to experience and cannot accurately control the baking degree of the acrylic plate, the present invention provides a heating and baking device for the production of automobile lampshades.

[0004] The technical implementation scheme of the present invention is: a heating and baking equipment for automobile lampshade production, including a baking box, the baking box is provided with a control terminal and a switch door, a first fixed plate is fixedly connected in the baking box, the baking box is provided with a feed port and a discharge port, the first fixed plate is fixedly connected with a rectangularly distributed electric shaft, the rectangularly distributed electric shaft is commonly wound with a synchronous belt, the synchronous belt is in contact with the first fixed plate, the synchronous belt is fixedly connected with an equidistantly distributed first fixed tube, and a gap is left between the first fixed tubes at both ends of the equidistantly distributed first fixed tubes, a guide shell is fixedly connected to one side of the baking box, the guide shell is in contact with the first fixed tube, a heating lamp equidistantly distributed is arranged above the first fixed tube in the baking box, a first sliding plate is arranged between the guide shell and the first fixed plate, an adjusting component for controlling its position is arranged on the lower side of the first sliding plate, the first sliding plate is fixedly connected with an equidistantly distributed second fixed tube, the second fixed tube is slidably connected with an extrusion plate, and a control component for controlling the discharge of the acrylic plate is arranged in the second fixed tube.

[0005] More preferably, the number of the heating lamps and the number of the second fixing tubes are the same, and the heating lamps and adjacent second fixing tubes are located on the same vertical line.

[0006] More preferably, the adjustment component includes symmetrically distributed hydraulic telescopic rods, which are all fixedly connected to one side of the baking oven near the feed port, and the telescopic ends of the symmetrically distributed hydraulic telescopic rods are connected to a rotating shaft through a circular ring for common rotation, the telescopic ends of the hydraulic telescopic rods are fixedly connected to and connected to a first conveying pipe, the first conveying pipe is fixedly connected to and connected to a second conveying pipe, an electric valve is provided on the second conveying pipe, the second conveying pipe is fixedly connected to and connected to a third fixed pipe, the second conveying pipe close to the first fixed plate passes through the first fixed plate, and the telescopic ends of the symmetrically distributed third fixed pipes are commonly fixedly connected to the first sliding plate.

[0007] More preferably, the control component includes equidistantly distributed first hydraulic shells, which are respectively fixed in adjacent second fixed tubes, the first hydraulic shells are sealingly and slidably connected with sealing columns, the extrusion plate is sealingly and slidably connected to the first hydraulic shell, a spring for resetting the extrusion plate is provided on the lower side of the extrusion plate, a first baffle plate is fixedly connected to the side of the baking oven away from its opening and closing door, the second conveying tube close to the first baffle plate passes through the first baffle plate, a second baffle plate is slidably connected to the first baffle plate, all the sealing columns pass through the second baffle plate, and a position detector for detecting the position of the sealing columns is provided on the first baffle plate.

[0008] More preferably, a second hydraulic shell is fixedly connected in the second fixed tube, a double-headed piston rod is sealingly and slidingly connected in the second hydraulic shell, one of the pistons of the double-headed piston rod is sealingly and slidingly connected to the adjacent first hydraulic shell, hydraulic oil is filled between the double-headed piston rod and the second hydraulic shell, and hydraulic oil is filled between the double-headed piston rod and the first hydraulic shell.

[0009] More preferably, the volume of the hydraulic oil in the second hydraulic housing is the same as the volume of the hydraulic oil in the first hydraulic housing, and the flow area of ​​the hydraulic oil in the second hydraulic housing is the same as the flow area of ​​the hydraulic oil in the first hydraulic housing.

[0010] More preferably, the baking oven is fixed with a symmetrically distributed first fixed frame, the first fixed frame is rotatably connected to a second sliding plate, the symmetrically distributed first fixed frame and the symmetrically distributed second sliding plate are used to seal the feed port and the discharge port of the baking oven, the second sliding plate is provided with a displacement sensor for detecting its position, and symmetrically distributed vacuum adsorption plates are installed in the baking oven, the vacuum adsorption plates are located on a side of the synchronous belt close to the feed port, the vacuum adsorption plates are provided with dense small holes, and the vacuum adsorption plates are connected to a negative pressure pump.

[0011] More preferably, it also includes a blowing component, which is used to make the acrylic plate evenly heated, and the blowing component is arranged in the baking oven, and the blowing component includes a hair dryer, and the hair dryer is fixedly connected to the baking oven, and the air outlet of the hair dryer is connected to an evenly distributed telescopic tube through a pipeline, and the telescopic tube is connected to an exhaust head, and the exhaust head is fixedly connected to the adjacent heating lamp, and the exhaust head is provided with evenly distributed holes, and the exhaust head is fixedly connected to an air guide plate, and the baking oven is fixedly connected to a second fixed plate, and the second fixed plate is slidably connected to the exhaust head.

[0012] More preferably, the baking oven is installed with evenly distributed electric telescopic rods on one side close to the second fixed plate, the telescopic end of the electric telescopic rods is fixedly connected to the adjacent exhaust head, the exhaust head is rotatably connected to a fixed shell, the fixed shell is provided with evenly distributed holes, the second fixed plate is fixedly connected with evenly distributed racks, and the fixed shell is installed with a gear meshing with the adjacent rack.

[0013] More preferably, a second fixed frame is slidably connected to one side of the baking oven near the discharge port, a rotating belt is wound around the second fixed frame, and a motorized roller is installed on one side of the baking oven near the discharge port, and the motorized roller cooperates with the second fixed frame in transmission.

[0014] Compared with the existing similar technologies, the present invention has at least the following advantages: the present invention directly displays the softening degree of the acrylic plate by extruding the acrylic plate when it softens, and directly discharges the acrylic plate after baking is completed, thereby preventing the acrylic plate from being over-baked or under-baked. There is no need to judge the baking time according to the thickness and material of the acrylic plate, and the use is convenient.

[0015] The present invention adjusts the heat output by the heating lamp according to the thickness. If the acrylic plate is thick, the wind force of the hair dryer is controlled to be small, and the heating lamp heats up slowly, so that the thick acrylic plate can be heated evenly, and the surface of the acrylic plate is prevented from being overheated while the temperature in the center is low. If the acrylic plate is thin, the wind force is controlled to be large, and the heating lamp heats up quickly. Since the thin acrylic plate requires less heat, the heating lamp heats up quickly, the speed is increased, and the acrylic plate is heated more evenly when the wind volume is large.

[0016] In the process of heating the acrylic plate, if part of the acrylic plate reaches the softening requirement first, the fixed shell moves downward to shield other irradiated lights, thereby preventing part of the acrylic plate from being overheated and affecting the quality of the acrylic plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a three-dimensional structural schematic diagram of a baking oven and a fixed shell of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the synchronous belt, the guide housing and the first fixed tube of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the synchronous belt and the guide housing of the present invention; Figure 5 It is a three-dimensional structural schematic diagram of parts such as the hydraulic telescopic rod, the rotating shaft and the first transmission pipe of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the first sliding plate, the second fixed tube and the extrusion plate of the present invention; Figure 7 is a schematic diagram of the three-dimensional structure inside the second fixed tube of the present invention; Figure 8 It is a three-dimensional structural schematic diagram of the hair dryer and the telescopic tube of the present invention; Fig. 9 It is a three-dimensional structural schematic diagram of the hair dryer and the telescopic tube of the present invention; Fig.10 It is a schematic diagram of the three-dimensional structure of the exhaust head and the second fixing plate of the present invention; Fig.11 It is a three-dimensional structural schematic diagram of the electric telescopic rod, the fixed housing and the rack of the present invention; Fig.12 It is a three-dimensional structural schematic diagram of the baking oven and the rotating belt of the present invention; Fig.13 It is a schematic diagram of the three-dimensional structure of the second fixing frame and the electric roller of the present invention.

[0018] Parts names and serial numbers in the figure: 1-baking oven, 11-first fixed plate, 12-electric rotating shaft, 13-synchronous belt, 14-guide shell, 15-first fixed tube, 16-heating lamp, 17-first sliding plate, 18-second fixed tube, 19-extrusion plate, 2-hydraulic telescopic rod, 21-rotating shaft, 22-first transmission tube, 23-second transmission tube, 24-third fixed tube, 3-first hydraulic shell, 31-sealing column, 32-first baffle plate, 33-second baffle plate, 4-second hydraulic shell, 41-double-headed piston rod, 5-first fixed frame, 51-second sliding plate, 52-vacuum adsorption plate, 6-blow dryer, 61-telescopic tube, 62-exhaust head, 63-wind guide plate, 64-second fixed plate, 7-electric telescopic rod, 71-fixed shell, 72-rack, 8-second fixed frame, 81-rotating belt, 82-electric roller. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with specific embodiments. It should also be noted that, unless otherwise clearly specified and limited, terms such as "setting" and "installation" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] In the process of baking the acrylic sheet to soften it, due to the different lampshades produced, the required thickness of the acrylic sheet is different. When baking acrylic sheets of different sizes and thicknesses, the baking time can only be set based on experience, and the degree of baking of the acrylic sheet cannot be accurately controlled. Too long or too short a baking time will affect the quality of the acrylic sheet after forming. In order to achieve the appropriate softness of the acrylic sheet, the present invention is improved by the following steps: Embodiment 1: A heating and baking device for producing automobile lampshades, such as Figure 1-Figure 6As shown, a baking oven 1 is included. A switch door is provided on the front side of the baking oven 1, and a control terminal is provided on the upper side. The switch door is not opened during normal use, but is opened during cleaning or maintenance. A first fixed plate 11 is fixedly connected to the front side of the baking oven 1. A material inlet is provided on the left side of the baking oven 1, and a material outlet is provided on the right side of the baking oven 1. Four electric rotating shafts 12 distributed in a rectangular manner are fixedly connected to the first fixed plate 11. The electric rotating shafts 12 are electrically connected to the control terminal. A synchronous belt 13 is wound around the four electric rotating shafts 12 distributed in a rectangular manner. The synchronous belt 13 contacts and cooperates with the first fixed plate 11. The first fixed plate 11 is used to support the synchronous belt 13. The synchronous belt 13 is fixedly connected to first fixed tubes 15 distributed equidistantly. A gap is left between the first fixed tubes 15 at the head and tail ends of the first fixed tubes 15 distributed equidistantly. The first fixed tubes 15 distributed equidistantly are arranged along the direction of the synchronous belt 13. The softened acrylic plate cannot fall between the fixed tubes 15 distributed equidistantly. There is a gap in the circular ring formed by the fixed tubes 15, which is used to bend the softened acrylic plate. A guide shell 14 is fixedly connected to the rear side of the baking oven 1. The guide shell 14 contacts and cooperates with the first fixed tube 15. The guide shell 14 is used to support the first fixed tube 15 to prevent the first fixed tube 15 from bending. Equidistantly distributed heating lamps 16 are arranged in the baking oven 1. The heating lamps 16 are electrically connected to the control terminal. The heating lamps 16 are located above the first fixed tube 15. A first sliding plate 17 is arranged between the guide shell 14 and the first fixed plate 11. An adjusting component for controlling its position is arranged on the lower side of the first sliding plate 17. The first sliding plate 17 is fixedly connected to equidistantly distributed second fixed tubes 18. The second fixed tube 18 is slidably connected to an extrusion plate 19. A control component is arranged in the second fixed tube 18. The control component is used to control the discharge timing of the acrylic plate. The number of the heating lamps 16 and the second fixed tubes 18 is the same, and the heating lamps 16 and the adjacent second fixed tubes 18 are located on the same vertical line.

[0021] like Figure 5 and Figure 6 As shown, the adjustment component includes two hydraulic telescopic rods 2 symmetrically distributed front and back, the two hydraulic telescopic rods 2 are fixedly connected to the left side of the baking oven 1, the telescopic ends of the two hydraulic telescopic rods 2 are connected to a rotating shaft 21 through a circular ring for common rotation, the rotating shaft 21 is used to detect the thickness of the acrylic plate, the telescopic ends of the hydraulic telescopic rods 2 are fixedly connected to and connected with a first conveying pipe 22, the first conveying pipe 22 is fixedly connected to and connected with a second conveying pipe 23, the second conveying pipe 23 is provided with an electric valve, the second conveying pipe 23 is fixedly connected to and connected with a third fixed pipe 24, the front second conveying pipe 23 passes through the first fixed plate 11, the telescopic ends of the two third fixed pipes 24 symmetrically distributed front and back are commonly fixed to the first sliding plate 17, and the two third fixed pipes 24 are used to adjust the position of the first sliding plate 17.

[0022] like Figure 6-Figure 8As shown, the control assembly includes equidistantly distributed first hydraulic shells 3, which are respectively fixed in adjacent second fixed pipes 18. The first hydraulic shells 3 are located at the rear side of the adjacent second fixed pipes 18. The first hydraulic shells 3 are sealingly and slidably connected with a sealing column 31. The diameter of the sealing column 31 is smaller than that of the first hydraulic shell 3. The extrusion plate 19 is sealingly and slidably connected with the first hydraulic shell 3. A spring for resetting the extrusion plate 19 is provided at the lower side of the extrusion plate 19. A first baffle plate 32 is fixedly connected to the rear side of the baking oven 1. The second transmission pipe 23 at the rear side passes through the first baffle plate 32. Partition plate 32, the second blocking plate 33 is slidably connected to the first blocking plate 32, all the sealing columns 31 pass through the second blocking plate 33, the sealing columns 31 slide on the second blocking plate 33, the first blocking plate 32 and the second blocking plate 33 are used to block heat, and a position detector for detecting the position of the sealing column 31 is provided on the first blocking plate 32. The position detector is located on the rear side of the first blocking plate 32. Since the temperature of the first hydraulic shell 3 increases during use, the service life of the sensor is extended by blocking the position detector to prevent the sensor from being damaged by heat.

[0023] like Figure 7 As shown, a second hydraulic shell 4 is fixedly connected in the second fixed tube 18, and the second hydraulic shell 4 is located at the front side of the second fixed tube 18. A double-headed piston rod 41 is sealingly and slidably connected in the second hydraulic shell 4. The front end of the double-headed piston rod 41 is located in the second hydraulic shell 4, and the rear end of the double-headed piston rod 41 is sealingly and slidably connected to the adjacent first hydraulic shell 3. Hydraulic oil is filled between the double-headed piston rod 41 and the second hydraulic shell 4, and hydraulic oil is filled between the double-headed piston rod 41 and the first hydraulic shell 3. The volume of the hydraulic oil in the second hydraulic shell 4 is the same as the volume of the hydraulic oil in the first hydraulic shell 3, and the flow area of ​​the hydraulic oil in the second hydraulic shell 4 is the same as the flow area of ​​the hydraulic oil in the first hydraulic shell 3, so that when the hydraulic oil in the second hydraulic shell 4 and the hydraulic oil in the first hydraulic shell 3 expand due to heat, the expansion volume of the hydraulic oil is equal.

[0024] like Figure 3 and Fig. 9 As shown, the baking oven 1 is fixed with two first fixed frames 5 symmetrically distributed on the left and right, and the lower side of the first fixed frames 5 is rotatably connected with a second sliding plate 51, and the lower side of the second sliding plate 51 is a rotating roller, which is convenient for the acrylic plate to enter and exit. The two symmetrically distributed first fixed frames 5 and the two symmetrically distributed second sliding plates 51 are used to block the feed port and the discharge port of the baking oven 1 to prevent the heat of the baking oven 1 from being discharged, and the second sliding plate 51 is provided with a displacement sensor for detecting its position, and the displacement sensor is electrically connected to the control terminal. Symmetrically distributed vacuum adsorption plates 52 are installed in the baking oven 1, and the vacuum adsorption plates 52 are provided with dense small holes. The vacuum adsorption plates 52 are connected to the negative pressure pump, and the vacuum adsorption plates 52 are used to adsorb the acrylic plate and limit the acrylic plate.

[0025] When making the lampshade, first select an acrylic plate of suitable size and thickness according to the needs, and then the staff pushes the acrylic plate into the baking oven 1 through the feed port on the left side of the baking oven 1. During this process, the acrylic plate squeezes the second sliding plate 51 on the left side, and the second sliding plate 51 rotates and opens on the first fixed frame 5 on the left side. Then the acrylic plate continues to move to the right through the second sliding plate 51 on the left side, so that the right side of the acrylic plate contacts the first fixed tube 15, and then all the heating lamps 16 and four electric shafts 12 are started at the same time through the control terminal. The electric shafts 12 rotate clockwise, and the four electric shafts 12 drive all the first fixed tubes 15 to rotate through the synchronous belt 13. The first fixed tube 15 drives the acrylic plate to move to the right. When the acrylic plate passes through the first fixed tube 15 on the left side, After the second sliding plate 51 is moved, the second sliding plate 51 is reset under gravity, the feed port of the baking oven 1 is blocked, and the heat loss in the baking oven 1 is prevented. At the same time, the displacement sensor on the second sliding plate 51 transmits the electrical signal to the control terminal. Since the position of the leftmost end of the acrylic plate is known at this time, after the acrylic plate moves a certain distance (the leftmost end of the acrylic plate is just on the two vacuum adsorption plates 52), the control terminal starts the negative pressure pump, and the negative pressure pump alternately extracts the gas in the two vacuum adsorption plates 52, so that the vacuum adsorption plates 52 adsorb the acrylic plates through negative pressure, and the acrylic plates no longer move. At this time, the synchronous belt 13 drives the first fixed tube 15 to move relative to the acrylic plate, and prevents the acrylic plate from sticking by alternating adsorption. At this time, the acrylic plate begins to soften under the irradiation of the heating lamp 16.

[0026] During the feeding process of the acrylic sheet, the rotating shaft 21 rises under the extrusion of the acrylic sheet, and the rotating shaft 21 drives the telescopic ends of the two hydraulic telescopic rods 2 to rise. The hydraulic oil in the hydraulic telescopic rod 2 is squeezed through the adjacent first conveying pipe 22 and the adjacent second conveying pipe 23 into the adjacent third fixed pipe 24. The telescopic ends of the two third fixed pipes 24 move upward under the extrusion of the hydraulic oil and jointly drive the first sliding plate 17 to move upward, reducing the distance between the first sliding plate 17 and the upper first fixed pipe 15. When the rotating shaft 21 no longer moves upward, the electric valve on the second conveying pipe 23 is closed to prevent the third fixed pipe 24 from resetting, so that the thicker the acrylic sheet, the smaller the distance between the first sliding plate 17 and the upper first fixed pipe 15 (the thicker the acrylic sheet, the smaller the degree of bending of the acrylic sheet after it softens to the required degree).

[0027] During the baking process of the acrylic sheet, the first fixed tube 15 continuously and slowly moves along the first fixed plate 11, and the acrylic sheet continuously softens. When two first fixed tubes 15 with a large spacing pass by, the softened acrylic sheet gradually sinks downward from between the two first fixed tubes 15, making the acrylic sheet partly arc-shaped. During the rotation of the first fixed tube 15, the downwardly sunken position of the acrylic sheet continuously moves to the right, and the lowest point of the acrylic sheet repeatedly moves from left to right. As the acrylic sheet softens, the lowest point of the acrylic sheet gradually drops. When the lowest point drops to a point where it can contact the extrusion plate 19, the acrylic sheet squeezes the extrusion plate 19 downward. After being subjected to the downward squeezing force, the extrusion plate 19 moves downward, and the extrusion plate 19 squeezes the hydraulic oil in the first hydraulic shell 3 downward, and the extrusion plate 19 squeezes the spring on its lower side. When the acrylic sheet is detached, The extrusion plate 19 is reset under the elastic force of the spring. Taking a first hydraulic shell 3 as an example, the hydraulic oil in the first hydraulic shell 3 squeezes the sealing column 31, causing the sealing column 31 to move backward. At the same time, the position detector on the first baffle plate 32 transmits an electrical signal to the control terminal, indicating that the acrylic sheet at the position of the second fixed tube 18 meets the baking requirements at this time. After the extrusion plate 19 is reset, the sealing column 31 is reset under the transmission of the hydraulic oil. When the sealing columns 31 covered by the acrylic sheet move backward once, it means that the acrylic sheet has been baked. The softening degree of the acrylic sheet is directly displayed by squeezing the extrusion plate 19 when the acrylic sheet softens. When the acrylic sheet is baked, it is directly discharged to prevent the acrylic sheet from being over-baked or under-baked. There is no need to judge the baking time according to the thickness and material of the acrylic sheet, which is convenient to use.

[0028] During the baking process, the hydraulic oil in the first hydraulic shell 3 gradually becomes hot. In order to prevent the hydraulic oil from expanding due to heat and affecting the measurement of the position detector on the first baffle plate 32, when the hydraulic oil in the first hydraulic shell 3 expands, the hydraulic oil between the second hydraulic shell 4 and the double-headed piston rod 41 expands synchronously, the double-headed piston rod 41 moves forward, and the piston at the rear end of the double-headed piston rod 41 moves forward at the same time, thereby expanding the space for accommodating the hydraulic oil in the first hydraulic shell 3 and offsetting the expanded liquid volume.

[0029] When the acrylic sheet is baked, the control terminal turns off the negative pressure pump and cancels the fixation of the acrylic sheet. Then, the acrylic sheet moves to the right driven by the first fixing tube 15 to discharge the softened acrylic sheet, completing the baking of the acrylic sheet. In the process of discharging the acrylic sheet, the acrylic sheet squeezes the second sliding plate 51 on the right, and passes through the second sliding plate 51 on the right and the discharge port. When the same batch of acrylic sheets is completed, the control terminal opens the electric valve in the first conveying tube 22 to reset the rotating shaft 21, and then turns off the electrical components for the next use.

[0030] During the baking process of the acrylic sheet, if there are quality differences in different parts of the acrylic sheet (during the polymerization process of the acrylic sheet, if the polymerization reaction is not completely uniform, the uneven thickness of the acrylic sheet caused during production, etc. will cause quality differences in different parts of the sheet), uneven baking may occur. It is easy for some acrylic sheets to be baked and some acrylic sheets to not be baked, resulting in over-baking of the already baked acrylic sheets, affecting the molding quality.

[0031] Embodiment 2: Based on embodiment 1, Figure 8-Figure 10 As shown, it also includes a blowing component, which includes a hair dryer 6. The blowing component is used to blow out gas to improve the uniformity of heating of the acrylic board. The blowing component is arranged in the baking oven 1, and the hair dryer 6 is fixedly connected to the right side of the baking oven 1. The hair dryer 6 is electrically connected to the control terminal. The air outlet of the hair dryer 6 is connected to the evenly distributed telescopic tubes 61 through a pipeline. The telescopic tubes 61 are connected to the exhaust head 62. The exhaust head 62 is fixedly connected to the adjacent heating lamp 16. The exhaust head 62 is provided with evenly distributed holes. The exhaust head 62 is fixedly connected to an air guide plate 63. The air guide plate 63 is used to guide wind downward. The baking oven 1 is fixedly connected to a second fixed plate 64, and the second fixed plate 64 is connected to the exhaust head 62 in an up and down sliding manner.

[0032] like Fig.10 and Fig.11 As shown, evenly distributed electric telescopic rods 7 are installed on the upper part of the rear side of the baking oven 1. The telescopic end of the electric telescopic rod 7 is fixedly connected to the adjacent exhaust head 62 for adjusting the position of the exhaust head 62. The exhaust head 62 is rotatably connected to a fixed shell 71. The cross-section of the fixed shell 71 is three-quarters of a circle. Evenly distributed holes are opened on the right side of the fixed shell 71. Evenly distributed racks 72 are fixedly connected to the second fixed plate 64. A gear meshing with the adjacent rack 72 is installed on the fixed shell 71 for rotating when the fixed shell 71 descends, so that wind can be discharged through the holes on the fixed shell 71, thereby improving the uniformity of the wind.

[0033] like Fig.12 and Fig.13 As shown, a second fixed frame 8 is slidably connected to the right side of the baking oven 1. The second fixed frame 8 consists of two front and rear square plates and rotating rods rotatably connected to the two and equidistantly distributed. A rotating belt 81 is wound around the rotating rod in the second fixed frame 8. An electric roller 82 is installed on the right side of the baking oven 1. The electric roller 82 is in transmission cooperation with the second fixed frame 8 to drive the second fixed frame 8 to move rightward to discharge the baked plates.

[0034] When the acrylic plate passes through the second sliding plate 51 on the left, the thickness of the acrylic plate is detected by the displacement sensor, and the air volume of the hair dryer 6 is adjusted according to the thickness of the acrylic plate. When the heating lamp 16 is turned on, the control terminal turns on the hair dryer 6, and the wind blown by the hair dryer 6 enters all the telescopic tubes 61 through the pipeline, and then enters the adjacent exhaust head 62 through the telescopic tube 61 and is discharged forward. The exhausted wind moves downward under the guidance of the wind guide plate 63, so that the acrylic plate is heated more evenly. At the same time, the heat output of the heating lamp 16 is adjusted by the control terminal according to the thickness. If the acrylic plate is thick, the wind force blown by the hair dryer 6 is controlled to be small, and the heating lamp 16 is heated slowly, so that the thick acrylic plate can be heated evenly to prevent the surface of the acrylic plate from overheating while the temperature in the center is low. If the acrylic plate is thin, the wind force is controlled to be large, and the heating lamp 16 is heated quickly. Since the thin acrylic plate requires less heat, the heating lamp 16 is heated quickly to increase the rate. When the air volume is large, the acrylic plate is heated more evenly.

[0035] If the quality of some acrylic plates is not equal, during the heating process, part of the acrylic plate may be heated and softened, and part of the acrylic plate has not yet reached the requirement. At this time, the softened part squeezes the adjacent extrusion plate 19, and the adjacent sealing column 31 is moved backward through transmission. The position detector on the first blocking plate 32 detects the movement of the sealing column 31 and transmits the electrical signal to the control terminal. When the control terminal receives the electrical signal, the telescopic end of the electric telescopic rod 7 above the extrusion plate 19 moves downward, and the telescopic end of the electric telescopic rod 7 drives the adjacent exhaust head 62 to move downward, and the exhaust head 62 drives the adjacent fixed shell 71 to move downward. The fixed shell 71 rotates under the limit of the adjacent rack 72, and the fixed shell 71 stops after rotating 270 degrees, so that the hole on the fixed shell 71 faces downward, and the control terminal turns off the adjacent heating lamp 16, and the heated part of the acrylic plate is kept warm by blowing out hot air. At the same time, the fixed shell 71 descends to block other irradiated lights to prevent partial overheating of the acrylic plate and affect the quality of the acrylic plate.

[0036] After the acrylic sheet is baked, the acrylic sheet moves to the rotating belt 81 driven by the first fixed tube 15. After a period of time, the electric roller 82 is started. The electric roller 82 drives the second fixed frame 8 to move to the right while rotating. The second fixed frame 8 drives the rotating belt 81 and the acrylic sheet thereon to move to the right to discharge the acrylic sheet. In the process of the acrylic sheet moving out of the baking oven 1, the second sliding plate 51 on the right squeezes the acrylic sheet to level the acrylic sheet. After the acrylic sheet is discharged, it is convenient for the staff to take it, and then the acrylic sheet is processed into a lampshade.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A heating and baking device for producing automobile lampshades, comprising a baking oven (1), the baking oven (1) being provided with a control terminal and a switch door, a first fixed plate (11) being fixedly connected inside the baking oven (1), the baking oven (1) being provided with a feed port and a discharge port, the first fixed plate (11) being fixedly connected with a rectangularly distributed electric rotating shaft (12), the rectangularly distributed electric rotating shaft (12) being jointly wound with a synchronous belt (13), the synchronous belt (13) being in contact with the first fixed plate (11), and the device being characterized in that: The invention also includes equidistantly distributed first fixed tubes (15), which are all fixedly connected to the synchronous belt (13). A gap is left between the first fixed tubes (15) at the head and tail ends of the equidistantly distributed first fixed tubes (15). A guide shell (14) is fixedly connected to one side of the baking oven (1), and the guide shell (14) contacts and cooperates with the first fixed tubes (15). In the baking oven (1), equidistantly distributed heating lamps (16) are arranged above the first fixed tubes (15). A first sliding plate (17) is arranged between the guide shell (14) and the first fixed plate (11), and an adjustment component for controlling the position of the first sliding plate (17) is arranged on the lower side. The first sliding plate (17) is fixedly connected to equidistantly distributed second fixed tubes (18), and the second fixed tubes (18) are slidably connected to an extrusion plate (19). A control component for controlling the discharge of the acrylic board is arranged in the second fixed tube (18).

2. A heating and baking equipment for producing automobile lampshades according to claim 1, characterized in that: The number of the heating lamps (16) and the second fixed tubes (18) is the same, and the heating lamps (16) and adjacent second fixed tubes (18) are located on the same vertical line.

3. A heating and baking device for producing automobile lampshades according to claim 1, characterized in that: The adjustment component includes symmetrically distributed hydraulic telescopic rods (2), which are all fixedly connected to a side of the baking oven (1) near the feed port, and the telescopic ends of the symmetrically distributed hydraulic telescopic rods (2) are connected to a rotating shaft (21) through a circular ring for common rotation, and the telescopic ends of the hydraulic telescopic rods (2) are fixedly connected to and connected to a first conveying pipe (22), and the first conveying pipe (22) is fixedly connected to and connected to a second conveying pipe (23), and an electric valve is provided on the second conveying pipe (23), and the second conveying pipe (23) is fixedly connected to and connected to a third fixed pipe (24), and the second conveying pipe (23) near the first fixed plate (11) passes through the first fixed plate (11), and the telescopic ends of the symmetrically distributed third fixed pipes (24) are fixedly connected to the first sliding plate (17).

4. A heating and baking device for producing automobile lampshades according to claim 3, characterized in that: The control component includes equidistantly distributed first hydraulic shells (3), which are respectively fixed in adjacent second fixed tubes (18), and the first hydraulic shells (3) are sealingly and slidably connected to the sealing columns (31). The extrusion plate (19) is sealingly and slidably connected to the first hydraulic shell (3), and a spring for resetting the extrusion plate (19) is provided on the lower side. A first baffle plate (32) is fixedly connected to the side of the baking oven (1) away from the opening and closing door thereof, and the second transmission pipe (23) close to the first baffle plate (32) passes through the first baffle plate (32). A second baffle plate (33) is slidably connected to the first baffle plate (32), and all the sealing columns (31) pass through the second baffle plate (33). A position detector for detecting the position of the sealing columns (31) is provided on the first baffle plate (32).

5. A heating and baking device for producing automobile lampshades according to claim 4, characterized in that: A second hydraulic housing (4) is fixedly connected to the second fixed tube (18), a double-headed piston rod (41) is sealingly and slidingly connected to the second hydraulic housing (4), one piston of the double-headed piston rod (41) is sealingly and slidingly connected to the adjacent first hydraulic housing (3), the space between the double-headed piston rod (41) and the second hydraulic housing (4) is filled with hydraulic oil, and the space between the double-headed piston rod (41) and the first hydraulic housing (3) is filled with hydraulic oil.

6. A heating and baking device for producing automobile lampshades according to claim 5, characterized in that: The volume of the hydraulic oil in the second hydraulic housing (4) is the same as the volume of the hydraulic oil in the first hydraulic housing (3), and the flow area of ​​the hydraulic oil in the second hydraulic housing (4) is the same as the flow area of ​​the hydraulic oil in the first hydraulic housing (3).

7. The heating and baking equipment for producing automobile lampshades according to claim 4, characterized in that: The baking oven (1) is fixed with a symmetrically distributed first fixed frame (5), and the first fixed frame (5) is rotatably connected to a second sliding plate (51). The symmetrically distributed first fixed frame (5) and the symmetrically distributed second sliding plate (51) are used to block the feed port and the discharge port of the baking oven (1). The second sliding plate (51) is provided with a displacement sensor for detecting its position. The baking oven (1) is installed with symmetrically distributed vacuum adsorption plates (52), and the vacuum adsorption plates (52) are located on a side of the synchronous belt (13) close to the feed port. The vacuum adsorption plates (52) are provided with dense small holes, and the vacuum adsorption plates (52) are connected to a negative pressure pump.

8. A heating and baking device for producing automobile lampshades according to claim 7, characterized in that: The invention also includes a blowing assembly, which is used to heat the acrylic plate evenly. The blowing assembly is arranged in the baking oven (1), and the blowing assembly includes a hair dryer (6). The hair dryer (6) is fixed to the baking oven (1). The air outlet of the hair dryer (6) is connected to a uniformly distributed telescopic tube (61) through a pipeline. The telescopic tube (61) is connected to an exhaust head (62). The exhaust head (62) is fixed to the adjacent heating lamp (16). The exhaust head (62) is provided with evenly distributed holes. The exhaust head (62) is fixed to an air guide plate (63). The baking oven (1) is fixed to a second fixed plate (64). The second fixed plate (64) is slidably connected to the exhaust head (62).

9. A heating and baking device for producing automobile lampshades according to claim 8, characterized in that: The baking oven (1) is provided with evenly distributed electric telescopic rods (7) on one side close to the second fixed plate (64), the telescopic end of the electric telescopic rod (7) is fixedly connected to the adjacent exhaust head (62), the exhaust head (62) is rotatably connected to a fixed shell (71), the fixed shell (71) is provided with evenly distributed holes, the second fixed plate (64) is fixedly connected to evenly distributed racks (72), and the fixed shell (71) is provided with a gear meshing with the adjacent rack (72).

10. A heating and baking device for producing automobile lampshades according to claim 9, characterized in that: A second fixed frame (8) is slidably connected to a side of the baking oven (1) close to the material outlet, a rotating belt (81) is wound around the second fixed frame (8), and a motorized roller (82) is installed on a side of the baking oven (1) close to the material outlet, the motorized roller (82) and the second fixed frame (8) are in transmission cooperation.

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