Continuous hot bending furnace for automotive glass

Abstract

The invention provides a continuous hot bending furnace for automotive glass, and relates to the field of hot bending furnaces. The rear part of the top end surface of the fixed bottom plate is fixedly connected with a fixed frame; a stainless steel conveyor belt is arranged in front of the top end surface of the fixed bottom plate; the stainless steel conveying belt is aligned with the fixed frame; a heating bin is fixedly connected to the center of the top end surface of the stainless steel conveyor belt; two treatment bins are symmetrically and fixedly connected to the outer part of the heating bin; a connecting frame is fixedly connected to the center of the top end face of the heating bin. A mounting plate is arranged at the front part of the fixing frame; two heat insulation plates are symmetrically connected in the heating bin in a sliding manner; and the two heat insulation plates are respectively aligned with the positions of the two treatment bins. A transmission rack can drive a transmission gear to rotate along with movement of a heat insulation plate, an auxiliary intercepting frame is rotated down through a series of transmission to block workers, and the problem that the workers are prone to being scalded by high temperature of a hot bending area once the workers do not comply with safety regulations and get close to the hot bending area is solved.

Description

Technical Field

[0001] The invention relates to the technical field of heat bending furnaces, and in particular to a continuous heat bending furnace for automobile glass. Background Art

[0002] In the process of automobile glass production, in order to make the automobile glass meet the needs of automobile design and to improve the safety of automobile glass, it is usually necessary to heat-bend the automobile glass. In order to facilitate the heat bending of automobile glass, the staff usually use an automobile glass continuous heat bending furnace. The existing automobile glass continuous heat bending furnace is usually composed of a conveyor belt, a processing chamber and a heat bending chamber.

[0003] For example, the patent with application number CN201910272235.9 discloses a processing device and a processing method for L-shaped bent tempered glass. Specifically, this patent discloses a processing device and a processing method for L-shaped bent tempered glass, which belongs to the technical field of bent glass tempering, to solve the problem that there is no special equipment for L-shaped bent glass, discontinuous production and low efficiency. The device includes an L-shaped pressing and forming device, a quenching device, a cooling device, and a hot bending furnace arranged at the front end of the L-shaped pressing and forming device. The bottom of the hot bending furnace is provided with a furnace roller. The L-shaped pressing and forming device includes an L-shaped support device, an L-shaped pressing device, and a conveying device. The conveying device includes a set of transport tracks and a lifting platform. A moving part is provided on the transport track, and an L-shaped support device is installed on the moving part; an L-shaped pressing device adapted to its shape is provided above the L-shaped support device, and the quenching device is a set of symmetrical arrangements. The method includes softening, forming, quenching and tempering, and cooling steps. This patent combines the softening, forming, quenching and tempering, and cooling links of L-shaped bent tempered glass to achieve continuous and efficient production.

[0004] However, in the existing automotive glass continuous hot bending furnace, in order to soften the automotive glass smoothly during the hot bending process, the temperature of the hot bending area is usually high. At this time, if a worker approaches the hot bending area without complying with safety regulations, he or she is easily burned by the high temperature in the hot bending area, which is dangerous and inconvenient to use. Summary of the invention

[0005] In view of this, the present invention provides a continuous hot bending furnace for automobile glass, which has an auxiliary interception frame that can automatically prevent workers from approaching during the hot bending process. During the closing process of the heat insulation board, as the heat insulation board moves, the transmission rack drives the transmission gear to rotate, and as the transmission gear rotates, the fixed shaft is driven to rotate, and during the rotation of the fixed shaft, the second bevel gear is driven to rotate, and during the rotation of the second bevel gear, the first bevel gear meshed with it is driven to rotate, and the rotation of the first bevel gear drives the connecting shaft to rotate, and during the rotation of the connecting shaft, the first pulley is driven to rotate, and during the rotation of the first pulley, the second pulley is rotated through the transmission belt, and the control shaft is driven to rotate through the rotation of the second pulley, and during the rotation of the control shaft, the auxiliary interception frame is driven to flip, and the auxiliary interception frame is turned down to prevent workers from approaching the hot bending area. At the same time, the setting of the warning strip can also remind workers to stay away from the hot bending area.

[0006] The present invention provides a purpose and effect of a continuous hot bending furnace for automobile glass, which specifically includes: a fixed bottom plate; a fixed frame is fixedly connected to the rear part of the top end surface of the fixed bottom plate; a stainless steel conveyor belt is arranged in front of the top end surface of the fixed bottom plate; the positions of the stainless steel conveyor belt and the fixed frame are aligned; a heating chamber is fixedly connected to the center of the top end surface of the stainless steel conveyor belt; two processing chambers are symmetrically fixedly connected to the outside of the heating chamber; a connecting frame is fixedly connected to the center of the top end surface of the heating chamber; a mounting plate is arranged at the front part of the fixed frame; two heat insulation boards are symmetrically slidably connected in the heating chamber; the two heat insulation boards are respectively aligned with the positions of the two processing chambers; two mounting slide grooves are symmetrically arranged at the rear part of the top end surface of the fixed bottom plate; the two mounting slide grooves are both aligned with the positions of the fixed frame.

[0007] Furthermore, two electric push rods are symmetrically bolted to the bottom end of the connecting frame; a control slide is fixedly connected to the ends of the output shafts of the two electric push rods; and two heat insulation plates are symmetrically fixedly connected to the outside of the control slide.

[0008] Furthermore, the top end of the rear processing bin is symmetrically bolted to two axial flow fans; the top end of the rear processing bin is symmetrically provided with two return air ducts; the air inlets of the two return air ducts are respectively aligned with the positions of the two axial flow fans; and the ends of the two return air ducts are both provided in the front processing bin.

[0009] Furthermore, a set of transmission racks are symmetrically fixedly connected to the outside of the two insulation boards; a set of fixed rotating shafts are rotatably connected inside the two processing chambers; a set of transmission gears are fixedly connected to the inner sides of the two sets of fixed rotating shafts; and the two sets of transmission gears are respectively meshed with the two sets of transmission racks.

[0010] Furthermore, the outer sides of the two groups of fixed rotating shafts are fixedly connected with a group of second bevel gears; the outer sides of the two processing chambers are rotatably connected with a group of connecting rotating shafts; the inner sides of the two groups of connecting rotating shafts are fixedly connected with a group of first bevel gears; the two groups of first bevel gears are respectively meshed with the two groups of second bevel gears.

[0011] Furthermore, a group of first pulleys are fixedly connected to the outer sides of the two groups of connecting shafts; two control shafts are symmetrically rotatably connected to the lower parts of the two processing bins; a group of second pulleys are fixedly connected to the outer sides of the two control shafts; and the two groups of second pulleys are respectively connected to the two groups of first pulleys through transmission belts.

[0012] Furthermore, the exterior of the two control shafts is fixedly connected to an auxiliary interception frame; warning strips are pasted on the top surfaces of the two auxiliary interception frames; and the positions of the two auxiliary interception frames are aligned.

[0013] Furthermore, a control screw is threadedly connected in the center of the fixing frame; the end of the control screw is rotatably connected to the rear end surface of the mounting plate, and two guide slide bars are symmetrically fixedly connected to the rear end surface of the mounting plate; both guide slide bars are slidably connected in the fixing frame.

[0014] Furthermore, two auxiliary sliding rods are symmetrically slidably connected in the mounting plate; the front end surfaces of the two auxiliary sliding rods are fixedly connected to a limit seat; the rear end surface of the limit seat is symmetrically fixedly connected to two auxiliary springs; the ends of the two auxiliary springs are respectively fixedly connected to the front end surfaces of the two mounting plates; and a cleaning brush is arranged in the limit seat.

[0015] Furthermore, two limit rods are symmetrically slidably connected in the limit seat; a limit spring is fixedly connected to the inner side of the two limit rods; the ends of the two limit springs are fixedly connected to the outside of the limit seat; the ends of the two limit rods are inserted in the cleaning brush; an installation slide block is slidably connected in the two installation grooves; a collection box is fixedly connected to the top surface of the two installation slide blocks.

[0016] Beneficial Effects 1. In the present invention, when the heat insulation board is closed to perform hot bending on the automobile glass, the transmission rack drives the transmission gear to rotate as the heat insulation board moves, and then the auxiliary interception frame is turned down through a series of transmissions to block the staff and prevent the staff from approaching the hot bending area and being scalded by the high temperature in the hot bending area. At the same time, after the auxiliary interception frame is turned down, the warning strip pasted on the auxiliary interception frame can also remind the staff to stay away from the hot bending area, thereby effectively improving the safety of the automobile glass continuous hot bending furnace and making it more convenient to use.

[0017] 2. When the automobile glass is bent and annealed, the staff can start the axial flow fan to absorb the hot air in the rear processing chamber to accelerate the annealing speed of the automobile glass. The absorbed hot air will enter the front processing chamber through the return air duct, so that the temperature in the front processing chamber will increase, and the subsequent hot-bending automobile glass will be preheated, which is convenient for continuous hot bending of automobile glass, and effectively improves the convenience of the continuous hot bending furnace for automobile glass.

[0018] 3. During the operation of the stainless steel conveyor belt, the staff can turn the control screw to make the cleaning brush close to the stainless steel conveyor belt to clean the dust and residue attached to the stainless steel conveyor belt to prevent dust and residue from adhering to the surface of the automobile glass during the hot bending process, resulting in spots, scratches or uneven color, which effectively improves the hot bending effect of the automobile glass and the practicality of the continuous hot bending furnace for automobile glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture: Figure 1 It is a schematic diagram of the axonometric structure of the present invention; Figure 2 It is a schematic diagram of the axonometric structure of the present invention from a rear view; Figure 3 This is a schematic diagram of the axonometric structure of the auxiliary interception frame of the present invention after it falls; Figure 4 It is a cross-sectional structural schematic diagram of the present invention; Figure 5 It is a schematic cross-sectional structural diagram of the limit seat of the present invention; Figure 6 This is a schematic diagram of the axonometric structure of the collection box of the present invention after being pulled out; Figure 7 It is a schematic cross-sectional structural diagram of the processing chamber of the present invention; Figure 8 It is a schematic diagram of the axonometric structure of the first bevel gear of the present invention.

[0022] Reference numerals list 1. Fixed bottom plate; 101. Stainless steel conveyor belt; 102. Heating chamber; 103. Processing chamber; 104. Heat insulation board; 105. Connecting frame; 106. Electric push rod; 107. Control slide plate; 108. Transmission rack; 109. Fixed shaft; 110. Transmission gear; 111. Connecting shaft; 112. First bevel gear; 113. First pulley; 114. Control shaft; 115. Second pulley; 116. Auxiliary interception Frame; 117, warning strip; 118, axial flow fan; 119, return air duct; 120, installation slide; 121, collection box; 122, installation slide; 123, fixed frame; 124, control screw; 125, mounting plate; 126, guide slide; 127, auxiliary slide; 128, limit seat; 129, auxiliary spring; 130, cleaning brush; 131, limit rod; 132, limit spring; 133, second bevel gear. DETAILED DESCRIPTION

[0023] Embodiment 1: A continuous hot bending furnace for automotive glass, please refer to Figures 1 to 8 As shown, it includes a fixed base plate 1; A fixing frame 123 is fixedly connected to the rear portion of the top surface of the fixed base plate 1; a stainless steel conveyor belt 101 is provided in front of the top surface of the fixed base plate 1; the positions of the stainless steel conveyor belt 101 and the fixing frame 123 are aligned; a heating chamber 102 is fixedly connected to the center of the top surface of the stainless steel conveyor belt 101; two processing chambers 103 are symmetrically fixedly connected to the outside of the heating chamber 102; a connecting frame 105 is fixedly connected to the center of the top surface of the heating chamber 102; a mounting plate 125 is provided at the front portion of the fixing frame 123; two heat insulation boards 104 are symmetrically slidably connected inside the heating chamber 102; the two heat insulation boards 104 are respectively aligned with the positions of the two processing chambers 103; two mounting slide grooves 120 are symmetrically provided at the rear portion of the top surface of the fixed base plate 1; the two mounting slide grooves 120 are both aligned with the position of the fixing frame 123.

[0024] Among them, the bottom end surface of the connecting frame 105 is symmetrically bolted with two electric push rods 106; the ends of the output shafts of the two electric push rods 106 are fixedly connected with a control slide 107; and the two heat insulation boards 104 are symmetrically fixedly connected to the outside of the control slide 107.

[0025] Among them, two axial flow fans 118 are symmetrically bolted to the top surface of the rear processing chamber 103; two return air ducts 119 are symmetrically arranged on the top surface of the rear processing chamber 103; the air inlets of the two return air ducts 119 are respectively aligned with the positions of the two axial flow fans 118; and the ends of the two return air ducts 119 are both arranged in the front processing chamber 103.

[0026] Among them, a group of transmission racks 108 are symmetrically fixedly connected to the outside of the two insulation plates 104; a group of fixed rotating shafts 109 are rotatably connected inside the two processing chambers 103; a group of transmission gears 110 are fixedly connected to the inner sides of the two groups of fixed rotating shafts 109; the two groups of transmission gears 110 are respectively meshed with the two groups of transmission racks 108.

[0027] Among them, the outer sides of the two sets of fixed rotating shafts 109 are fixedly connected with a set of second bevel gears 133; the outer sides of the two processing chambers 103 are rotatably connected with a set of connecting rotating shafts 111; the inner sides of the two sets of connecting rotating shafts 111 are fixedly connected with a set of first bevel gears 112; the two sets of first bevel gears 112 are respectively meshed with the two sets of second bevel gears 133.

[0028] Among them, the outer sides of the two groups of connecting shafts 111 are fixedly connected with a group of first pulleys 113; the lower parts of the two processing chambers 103 are symmetrically rotatably connected with two control shafts 114; the outer sides of the two control shafts 114 are fixedly connected with a group of second pulleys 115; the two groups of second pulleys 115 are respectively connected to the two groups of first pulleys 113 through transmission belts.

[0029] Among them, the outside of the two control shafts 114 is fixedly connected with an auxiliary interception frame 116; the top surfaces of the two auxiliary interception frames 116 are pasted with warning strips 117; the positions of the two auxiliary interception frames 116 are aligned.

[0030] Among them, a control screw 124 is threadedly connected in the center of the fixed frame 123; the end of the control screw 124 is rotatably connected to the rear end face of the mounting plate 125, and two guide slide rods 126 are symmetrically fixedly connected to the rear end face of the mounting plate 125; the two guide slide rods 126 are both slidably connected in the fixed frame 123.

[0031] Among them, two auxiliary sliding rods 127 are symmetrically slidably connected inside the mounting plate 125; the front end surfaces of the two auxiliary sliding rods 127 are fixedly connected to a limit seat 128; the rear end surface of the limit seat 128 is symmetrically fixedly connected to two auxiliary springs 129; the ends of the two auxiliary springs 129 are respectively fixedly connected to the front end surfaces of the two mounting plates 125; a cleaning brush 130 is arranged in the limit seat 128.

[0032] Specific usage and function of this embodiment: In the present invention, when the stainless steel conveyor belt 101 transports the automobile glass and the mold to the heating chamber 102, the electric push rod 106 is started, so that the electric push rod 106 drives the control slide 107 to move downward, and the movement of the control slide 107 drives the insulation board 104 to move downward to seal the heating chamber 102. At this time, the automobile glass is heated by the electric heating tube in the heating chamber 102. After being heated, the automobile glass softens and is hot-bent along the mold. Heating the automobile glass by the electric heating tube in the heating chamber 102 is a common technical means used by those skilled in the art, so it is not described in detail. The front processing chamber 103 is a preheating chamber, and The rear processing chamber 103 is an annealing chamber. After the automobile glass is hot-bent, it is transported to the rear processing chamber 103 along with the transportation of the stainless steel conveyor belt 101. At this time, the axial flow fan 118 is started to absorb the hot air in the rear processing chamber 103 to accelerate the annealing speed of the automobile glass. The absorbed hot air will enter the front processing chamber 103 through the return air duct 119, so that the temperature in the front processing chamber 103 is increased, and the automobile glass to be subsequently hot-bent is preheated, which is convenient for continuous hot bending of the automobile glass. In the process of closing the heat insulation board 104, as the heat insulation board 104 moves, the transmission rack 108 drives the transmission gear 110 to rotate, and as the transmission gear 110 rotates, it drives the solid The fixed shaft 109 rotates, and during the rotation of the fixed shaft 109, the second bevel gear 133 is driven to rotate. During the rotation of the second bevel gear 133, the first bevel gear 112 meshing therewith is driven to rotate. The rotation of the first bevel gear 112 drives the connecting shaft 111 to rotate. During the rotation of the connecting shaft 111, the first pulley 113 is driven to rotate. During the rotation of the first pulley 113, the second pulley 115 is rotated through the transmission belt. The rotation of the second pulley 115 drives the control shaft 114 to rotate. During the rotation of the control shaft 114, the auxiliary interception frame 116 is driven to flip, and the auxiliary interception frame 116 is rotated. The lower part prevents the staff from approaching the hot bending area. At the same time, the setting of the warning strip 117 can also remind the staff to stay away from the hot bending area. By rotating the control screw 124, the control screw 124 drives the mounting plate 125 to move. During the movement of the mounting plate 125, the guide slide bar 126 will be driven to slide in the fixed frame 123 to provide guidance for the mounting plate 125. As the mounting plate 125 moves, the cleaning brush 130 will be close to the stainless steel conveyor belt 101. Then, during the rotation of the stainless steel conveyor belt 101, the cleaning brush 130 will clean the dust and residue attached to the stainless steel conveyor belt 101. The setting of the auxiliary spring 129 can provide a certain buffer protection for the cleaning brush 130.

[0033] Embodiment 2: Based on Example 1, please refer to Figures 1 to 8As shown, it includes: a collection box 121, a mounting slide 122, a limit rod 131, and a limit spring 132. Two limit rods 131 are symmetrically slidably connected in the limit seat 128; the inner sides of the two limit rods 131 are fixedly connected to a limit spring 132; the ends of the two limit springs 132 are fixedly connected to the outside of the limit seat 128; the ends of the two limit rods 131 are inserted into the cleaning brush 130; a mounting slide 122 is slidably connected in the two mounting grooves 120; and a collection box 121 is fixedly connected to the top surfaces of the two mounting slides 122.

[0034] Specific usage and function of this embodiment: In the present invention, the dust and residue swept down can be collected by setting the collection box 121, and the cooperation of the installation slide groove 120 and the installation slider 122 is convenient for the staff to remove the collection box 121 for cleaning. After the cleaning brush 130 has been used for a long time, the staff can pull the limit plug 131 to make it slide in the limit seat 128 and stretch the limit spring 132. As the limit plug 131 slides, it will disengage from the cleaning brush 130, releasing the limit on the cleaning brush 130. At this time, the staff can remove the cleaning brush 130 and replace it.

Claims

1. A continuous hot bending furnace for automobile glass, comprising a fixed bottom plate (1); a fixed frame (123) is fixedly connected to the rear portion of the top surface of the fixed bottom plate (1); a stainless steel conveyor belt (101) is arranged at the front portion of the top surface of the fixed bottom plate (1); the stainless steel conveyor belt (101) is aligned with the fixed frame (123); and the characteristics are as follows: A heating chamber (102) is fixedly connected in the center of the top surface of the stainless steel conveyor belt (101); two processing chambers (103) are symmetrically fixedly connected outside the heating chamber (102); a connecting frame (105) is fixedly connected in the center of the top surface of the heating chamber (102); a mounting plate (125) is arranged in front of the fixing frame (123); two heat insulation plates (104) are symmetrically slidably connected in the heating chamber (102); the two heat insulation plates (104) are respectively aligned with the positions of the two processing chambers (103); two mounting slide grooves (120) are symmetrically provided at the rear of the top surface of the fixed bottom plate (1); the two mounting slide grooves (120) are both aligned with the position of the fixing frame (123).

2. A continuous hot bending furnace for automobile glass as claimed in claim 1, characterized in that: The bottom end surface of the connecting frame (105) is symmetrically bolted and connected to two electric push rods (106); the ends of the output shafts of the two electric push rods (106) are fixedly connected to a control slide plate (107); and the two heat insulation plates (104) are symmetrically fixedly connected to the outside of the control slide plate (107).

3. The continuous hot bending furnace for automobile glass according to claim 1, characterized in that: The top end of the rear processing chamber (103) is symmetrically bolted to two axial flow fans (118); the top end of the rear processing chamber (103) is symmetrically provided with two return air ducts (119); the air inlets of the two return air ducts (119) are respectively aligned with the positions of the two axial flow fans (118); and the ends of the two return air ducts (119) are both provided in the front processing chamber (103).

4. The continuous hot bending furnace for automobile glass according to claim 1, characterized in that: A set of transmission racks (108) are symmetrically fixedly connected to the outside of the two heat insulation plates (104); a set of fixed rotating shafts (109) are rotatably connected to the inside of the two processing chambers (103); a set of transmission gears (110) are fixedly connected to the inside of the two sets of fixed rotating shafts (109); and the two sets of transmission gears (110) are respectively meshed with the two sets of transmission racks (108).

5. A continuous hot bending furnace for automobile glass as claimed in claim 4, characterized in that: The outer sides of the two sets of fixed rotating shafts (109) are fixedly connected to a set of second bevel gears (133); the outer sides of the two processing chambers (103) are rotatably connected to a set of connecting rotating shafts (111); the inner sides of the two sets of connecting rotating shafts (111) are fixedly connected to a set of first bevel gears (112); and the two sets of first bevel gears (112) are respectively meshed with the two sets of second bevel gears (133).

6. A continuous hot bending furnace for automobile glass as claimed in claim 5, characterized in that: The outer sides of the two groups of connecting shafts (111) are fixedly connected to a group of first pulleys (113); the lower parts of the two processing bins (103) are symmetrically rotatably connected to two control shafts (114); the outer sides of the two control shafts (114) are fixedly connected to a group of second pulleys (115); the two groups of second pulleys (115) are respectively connected to the two groups of first pulleys (113) via transmission belts.

7. A continuous hot bending furnace for automobile glass as claimed in claim 6, characterized in that: The exterior of the two control rotating shafts (114) is fixedly connected to an auxiliary interception frame (116); warning strips (117) are attached to the top surfaces of the two auxiliary interception frames (116); and the positions of the two auxiliary interception frames (116) are aligned.

8. The continuous hot bending furnace for automobile glass as claimed in claim 1, characterized in that: A control screw rod (124) is threadedly connected in the center of the fixing frame (123); the end of the control screw rod (124) is rotatably connected to the rear end surface of the mounting plate (125); and two guide slide rods (126) are symmetrically fixedly connected to the rear end surface of the mounting plate (125); the two guide slide rods (126) are slidably connected to the fixing frame (123).

9. The continuous hot bending furnace for automobile glass as claimed in claim 1, characterized in that: Two auxiliary slide bars (127) are symmetrically slidably connected inside the mounting plate (125); the front end surfaces of the two auxiliary slide bars (127) are fixedly connected to a limit seat (128); the rear end surface of the limit seat (128) is symmetrically fixedly connected to two auxiliary springs (129); the ends of the two auxiliary springs (129) are respectively fixedly connected to the front end surfaces of the two mounting plates (125); and a cleaning brush (130) is arranged inside the limit seat (128).

10. The continuous hot bending furnace for automobile glass as claimed in claim 9, characterized in that: Two limiting rods (131) are symmetrically slidably connected in the limiting seat (128); a limiting spring (132) is fixedly connected to the inner side of each of the two limiting rods (131); the ends of each of the two limiting springs (132) are fixedly connected to the outside of the limiting seat (128); the ends of each of the two limiting rods (131) are inserted into the cleaning brush (130); a mounting slide block (122) is slidably connected in each of the two mounting grooves (120); and a collection box (121) is fixedly connected to the top surfaces of the two mounting slide blocks (122).

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