Fire door leaf gluing production line

Abstract

The present invention relates to fire doors, and in particular to a fire door leaf gluing production line. It includes a conveying device and a crimping conveyor, the crimping conveyor includes a plurality of door-shaped frames arranged in parallel, a horizontal static pressure plate is provided at the lower part of the upper crossbeam of the door-shaped frame; a dynamic pressure plate platform is provided below the static pressure plate, the dynamic pressure plate platform includes a rectangular outer frame, and a plurality of horizontal pressure plates are evenly distributed inside the outer frame; rollers are provided between adjacent pressure plates, and the bearing seats at both ends of the rollers are fixedly connected to the longitudinal frame of the outer frame through a height adjustment mechanism; the rollers are driven by a transmission mechanism; and a crimping jacking mechanism is provided at the lower part of the dynamic pressure plate platform. The present invention improves production efficiency, avoids bumps and scratches on the panel, and reduces labor costs.

Description

Technical Field

[0001] The invention relates to fireproof doors, in particular to a fireproof door leaf gluing production line. Background Art

[0002] The core board of the fire door and the joint surface of the two panels are coated with glue, and then crimped by a press. The entire production process requires at least two people to cooperate in the operation. Two people lift the panel and the core board to the operating table of the press in turn, then operate the press to crimp, and then lift it down. During the production process, the panels are often scratched and bumped, which affects the appearance quality of the door leaf. This production method is inefficient. In order to increase production, the number of presses and operators can only be increased, and the appearance quality of the door leaf cannot be guaranteed. In winter, because the adhesive is affected by the ambient temperature, the bonding time increases, and the production efficiency is lower. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a fire door leaf gluing production line to improve production efficiency.

[0004] The technical solution adopted by the present invention to solve the technical problem is:

[0005] A fire door leaf gluing production line includes a conveying device and a crimping conveyor, the crimping conveyor includes a plurality of door-shaped frames arranged in parallel, a horizontal static pressure plate is provided at the lower part of the upper cross beam of the door-shaped frame; a dynamic pressure plate platform is provided below the static pressure plate, the dynamic pressure plate platform includes a rectangular outer frame, and a plurality of transverse pressure plates are evenly distributed inside the outer frame; rollers are provided between adjacent pressure plates, and bearing seats at both ends of the rollers are fixedly connected to the longitudinal frame of the outer frame through a height adjustment mechanism; the rollers are driven by a transmission mechanism; a crimping lifting mechanism is provided at the lower part of the dynamic pressure plate platform.

[0006] Compared with the prior art, the present invention using the above technical solution has the following beneficial effects:

[0007] It improves production efficiency, avoids bumps and scratches on the panel, and reduces labor costs.

[0008] Further, the optimization scheme of the present invention is:

[0009] The height adjustment mechanism includes a rectangular upper seat plate, a guide rod, a guide sleeve and a lower seat plate. The upper seat plate is placed at the bottom of the roller bearing and is fixedly connected to the roller bearing. A vertical guide rod is provided on the lower surface of the upper seat plate. The guide rod is placed in the axial hole of the guide sleeve. A flange structure is provided at the lower end of the guide sleeve. A lower seat plate is provided at the lower part of the flange structure. The lower seat plate is fixedly connected to the inner side surface of the longitudinal frame. A spring is provided between the upper seat plate and the guide sleeve, and the spring is sleeved on the guide rod.

[0010] The transmission mechanism includes a sprocket, a chain, a motor and a reducer. One end of the roller shaft passes through the longitudinal frame. The longitudinal frame is a channel steel structure with an opening facing outward. A driven sprocket is installed at the end of the roller shaft. The sprocket is located in the notch of the longitudinal frame. The rollers are driven by chains. The front rollers are driven by the active sprocket of the reducer output shaft through the chain. The reducer is connected to the motor, and the reducer and the motor are fixed to the frame through a bracket.

[0011] There are two crimping jacking mechanisms, namely the first crimping jacking mechanism and the second crimping jacking mechanism. The first crimping jacking mechanism includes a cylinder, an ear seat and a pin shaft. The ear seat is installed on the lower surface of the dynamic pressure plate. The ear seat is hinged to the piston rod of the cylinder through the pin shaft. The cylinder body of the cylinder is fixed to the cylinder bracket through bolts, and the cylinder bracket is fixed to the lower cross beam of the frame; the first crimping jacking mechanism and the second crimping jacking mechanism are respectively placed at both ends of the dynamic pressure plate platform.

[0012] A guide mechanism is arranged at the center of the lower surface of the dynamic pressure plate. The guide mechanism comprises a guide column and a guide sleeve. The guide column cooperates with the guide sleeve, and the guide sleeve is fixedly connected to the crossbeam at the lower part of the frame.

[0013] An upper heating mechanism is provided above the static pressure plate and is placed between the upper beams of the frame. The upper heating mechanism includes a heating element and an upper bracket. The upper bracket is laterally placed at both ends of the upper beam. The two ends of the bracket are respectively fixed to the upper beam. The upper bracket is provided with a mounting hole, and the two ends of the heating element are placed in the mounting hole.

[0014] A lower heating mechanism is provided under the dynamic pressure plate, and the lower heating mechanism includes a heating element and a lower bracket. Vertical lower brackets are provided at both ends of the dynamic pressure plate respectively, and a mounting hole is provided at the lower end of the lower bracket, and the heating element is placed in the mounting hole; insulation structures are provided on both sides and the top of the crimping conveyor.

[0015] The heating element is a carbon fiber heating tube.

[0016] The roller conveyor comprises a first roller conveyor and a second roller conveyor, and the first roller conveyor and the second roller conveyor are respectively arranged at two ends of the pressing conveyor.

[0017] The frame of the crimping conveyor is equipped with a position sensor which is connected to the control system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a front view of an embodiment of the present invention;

[0019] Figure 2 yes Figure 1 A top view of

[0020] Figure 3 is a front view of a crimping conveyor according to an embodiment of the present invention;

[0021] Figure 4 yes Figure 3 Top view;

[0022] Figure 5 yes Figure 3 Left view of

[0023] Figure 6 yes Figure 3 AA view;

[0024] Figure 7 yes Figure 4 BB view;

[0025] Figure 8 is a front view of a dynamic pressure plate platform according to an embodiment of the present invention;

[0026] Fig. 9 yes Figure 8 A top view of

[0027] Fig.10 Schematic diagram of roller installation of a dynamic pressure plate platform according to an embodiment of the present invention;

[0028] Fig.11 is a schematic diagram of a lower heating mechanism according to an embodiment of the present invention;

[0029] In the figure: crimping conveyor 1; frame 1-1; vertical frame 1-2; upper crossbeam 1-3; lower crossbeam 1-4; lower longitudinal beam 1-5; upper heating mechanism 2; upper bracket 2-1; carbon fiber heating tube 2-2; static pressure plate 3; dynamic pressure plate platform 4; outer frame 4-1; longitudinal frame 4-2; horizontal frame 4-3; dynamic pressure plate 4-4; roller 4-5; bearing seat 4-6; upper seat plate 4-7; guide rod 4-8; guide sleeve 4-9; lower seat plate 4-10; spring 4-11; transmission mechanism 5; driven sprocket 5-1; chain 5-2; driving sprocket 5-3; reducer 5-4; motor 5-5; first crimping lifting mechanism 6; oil cylinder 6-1; oil cylinder bracket 6-2; pin 6-3; ear seat 6-4; second crimping lifting mechanism 7; guide mechanism 8; guide column 8-1; Guide sleeve 8-2; lower heating mechanism 9; lower bracket 9-1; heat preservation structure 10; placing robot 11; position sensor 12; first conveying device 13; second conveying device 14. DETAILED DESCRIPTION

[0030] The present invention is described in detail below with reference to the accompanying drawings and embodiments.

[0031] See also Figure 1 , Figure 2A fire door leaf gluing production line is composed of a placing robot 11, a first conveying device 13, a crimping conveyor 1, a second conveying device 14 and a control system from right to left. The first conveying device 13, the crimping conveyor 1 and the second conveying device 14 are arranged adjacent to each other, and the placing robot 11 is installed at the front end of the first conveying device 13.

[0032] The crimping conveyor 1 is composed of a frame 1-1, an upper heating mechanism 2, a static pressure plate 3, a dynamic pressure plate platform 4, a transmission mechanism 5, a first crimping lifting mechanism 6, a second crimping lifting mechanism 7, a guide mechanism 8, a lower heating mechanism 9, an insulation structure 10, etc. The frame 1-1 is a door-shaped welded component, which is composed of a vertical frame 1-2, an upper crossbeam 1-3, a lower crossbeam 1-4 and a lower longitudinal beam 1-5. The material of the two vertical frames 1-2 is channel steel, and the notch of the channel steel faces outward. The material of the upper crossbeam 1-3 is I-beam, and the material of the lower crossbeam 1-4 and the lower longitudinal beam 1-5 is channel steel. The number of frames 1-1 is three, and the frames 1-1 are arranged vertically, and the three frames 1-1 are parallel and side by side. The lower surfaces of the three upper crossbeams 1-3 are welded with rectangular static pressure plates 3.

[0033] An upper heating mechanism 2 is provided above the static pressure plate 3, and the upper heating mechanism 2 is placed between the upper beams 1-3 of the adjacent frames 1-1. The upper heating mechanism 2 is composed of an upper bracket 2-1 and a heating element, and the heating element is a carbon fiber heating tube 2-2. The upper bracket 2-1 is a strip of steel plate, and the upper bracket 2-1 is arranged longitudinally. The upper bracket 2-1 is placed at both ends of the upper beam 1-3, and the two ends of the bracket 2-1 are respectively welded to the upper beam 1-3. The upper bracket 2-1 is processed with a plurality of mounting holes, and the two ends of the carbon fiber heating tube 2-2 are installed in the mounting holes. The carbon fiber heating tube 2-2 is connected to the control system through a line, and the carbon fiber heating tube 2-2 is used to heat the static pressure plate 3.

[0034] A rectangular dynamic pressure plate platform 4 is provided below the static pressure plate 3, and the dynamic pressure plate platform 4 cooperates with the static pressure plate 3. The dynamic pressure plate platform 4 is composed of an outer frame 4-1, a dynamic pressure plate 4-4, a roller 4-5, a bearing seat 4-6, and a bearing seat height adjustment mechanism. The outer frame 4-1 is a rectangular welded component, which is composed of a longitudinal frame 4-2 and a transverse frame 4-3. The material of the longitudinal frame 4-2 is channel steel, and the material of the transverse frame 4-3 is I-beam. Six rectangular dynamic pressure plates 4-4 are welded horizontally in the outer frame 4-1. The dynamic pressure plates 4-4 are evenly arranged, and gaps are provided between the dynamic pressure plates 4-4. The upper surface of the dynamic pressure plate 4-4 is flush with the upper surface of the outer frame 4-1. Rollers 4-5 are provided between the dynamic pressure plates 4-4, and bearing seats 4-6 are installed at both ends of the roller shaft of the roller 4-5, and the bearing seats 4-6 are installed on the height adjustment mechanism.

[0035] The height adjustment mechanism is composed of a rectangular upper seat plate 4-7, a guide rod 4-8, a guide sleeve 4-9, a lower seat plate 4-10 and a spring 4-11. The upper seat plate 4-7 is placed at the bottom of the roller bearing seat 4-6, and the upper seat plate 4-7 is connected to the roller bearing seat 4-6 by bolts. A vertical guide rod 4-8 is welded to the lower surface of the upper seat plate 4-7, and the guide rod 4-8 is placed in the shaft hole installed in the guide sleeve 4-9. A spring 4-11 is provided between the upper seat plate 4-7 and the guide sleeve 4-9, and the spring 4-11 is sleeved on the guide rod 4-8. A flange structure is provided at the lower end of the guide sleeve 4-9, and the lower seat plate 4-10 is installed at the bottom of the flange structure. The lower seat plate 4-10 is welded to the inner side of the longitudinal frame 4-2. The spring 4-11 is a compression spring, and the elastic force of the spring 4-11 is 50 kg. During the transportation process of the door leaf, it is ensured that the door leaf does not contact the dynamic pressure plate 4-4. When the spring 4-11 is in a free state, the upper generatrix of the roller 4-5 is 2-3 mm higher than the upper plane of the dynamic pressure plate 4-4.

[0036] The rollers 4-5 are driven by the transmission mechanism 5, which is composed of a driven sprocket 5-1, a chain 5-2, a driving sprocket 5-3, a speed reducer 5-4 and a motor 5-5. A circular hole is processed in the front longitudinal frame 4-2 of the outer frame 4-1, and the front end of the roller shaft of the roller 4-5 passes through the circular hole. The driven sprocket 5-1 is installed at the end of the roller shaft. The driven sprocket 5-1 is connected to the roller shaft by a key. The driving sprocket 5-1 is located in the notch of the longitudinal frame 4-2. Adjacent rollers 4-5 are driven by the chain 5-2. The end rollers 4-5 are installed with a single sprocket, and the remaining rollers are installed with double sprockets. The driven sprocket 5-1 of the front roller 4-5 is driven by a chain and a driving sprocket 5-3, the driving sprocket 5-3 is installed on the output shaft of the reducer 5-4, the reducer 5-4 is connected to the motor 5-5, the reducer 5-4 and the motor 5-5 are connected to the vertical frame 1-2 of the frame through the bracket, and the motor 5-5 is controlled by the control system.

[0037] The lower part of the dynamic pressure plate platform 4 is provided with a first crimping jacking mechanism 6, a second crimping jacking mechanism 7 and a guide mechanism 8. The first crimping jacking mechanism 6 and the second crimping jacking mechanism 7 have the same structure. The first crimping jacking mechanism 6 and the second crimping jacking mechanism 7 are respectively installed on the lower surface of the dynamic pressure plate 4-4 at both ends. The first crimping jacking mechanism 6 is composed of a cylinder 6-1, a cylinder bracket 6-2, a pin 6-3 and an ear seat 6-4. The ear seat 6-4 is connected to the dynamic pressure plate 4-4 by bolts. The ear seat 6-4 is hinged to the piston rod of the cylinder 6-1 through the pin 6-3. The cylinder body of the cylinder 6-1 is connected to the cylinder bracket 6-2 by bolts. The cylinder bracket 6-2 is welded to the lower crossbeam 1-4 of the frame 1-1. A guide mechanism 8 is installed at the center of the lower surface of the intermediate dynamic pressure plate 4-4. The guide mechanism 8 is composed of a guide column 8-1 and a guide sleeve 8-2. A flange is welded to the upper end of the guide column 8-1. The flange is connected to the dynamic pressure plate 4-4 by bolts. The guide column 8-1 cooperates with the guide sleeve 8-2. The lower end of the guide sleeve 8-2 is connected to the lower crossbeam 1-4 of the frame 1-1 by bolts. The oil cylinder 6-4 of the first crimping jacking mechanism 6 and the second crimping jacking mechanism 7 is connected to the solenoid valve through a pipeline. The solenoid valve is connected to the hydraulic pump. The solenoid valve is connected to the control system through a line. The stroke of the oil cylinder 6-4 of the first crimping jacking mechanism 6 and the second crimping jacking mechanism 7 is 4-5 mm. The oil cylinder 6-4 is a single-acting oil cylinder.

[0038] A lower heating mechanism 9 is provided under each dynamic pressure plate 4-4, and the lower heating mechanism 9 is composed of a carbon fiber heating tube 2-2 and a lower bracket 9-1. Vertical lower brackets 9-1 are provided at both ends of the dynamic pressure plate 4-4, and the lower bracket 9-1 is a steel plate. The upper end of the lower bracket 9-1 is welded to the dynamic pressure plate 4-4, and the lower end of the lower bracket 9-1 is provided with a mounting hole, and the carbon fiber heating tube 2-2 is placed in the mounting hole. The carbon fiber heating tube 2-2 is connected to the control system through a line.

[0039] Thermal insulation structures 10 are provided on both sides and the top of the crimping conveyor 1. A position sensor 12 is installed on the frame of the crimping conveyor, and the position sensor 12 is connected to the control system, which is a PLC.

[0040] The first conveying device 13 and the second conveying device 14 in this embodiment are roller conveyors, which are commercially available products. The rollers of the first conveying device 13 and the second conveying device 14 are driven by sprockets and chains, and the transmission structure of the rollers is the same as the roller transmission structure of the compacting conveyor. The placing robot 11 is a commercially available supporting product. The rollers 4-5 in this embodiment can also be driven by a separate reduction motor, which is installed on the inner side of the longitudinal frame 4-2 below the rollers 4-5 and driven by sprockets and chains.

[0041] The working process of the present invention is: first, the placing robot 11 places the side panels, door core panels and side panels of the door leaf on the rollers of the first conveying device 13 in sequence. After the placing is completed, the placing robot 11 transmits a signal to the control system, and the control system starts the motor of the first conveying device 13. The first conveying device 13 conveys the door leaf to the crimping conveyor 1. At this time, the transmission mechanism of the crimping conveyor 1 has been started, and the rollers 4-5 rotate. After the position sensor 12 detects that the door leaf is in place, it sends a signal to the control system, and the rollers 4-5 stop rotating. The control system controls the solenoid valves of the first crimping jacking mechanism 6 and the second crimping jacking mechanism 7, and the piston rod of the oil cylinder 6-4 extends ( Figure 3 As shown), the dynamic pressure plate platform 4 moves upward, pressing the door leaf between the dynamic pressure plate platform 4 and the static pressure plate 3 and maintaining it for 4-5 seconds, the roller 4-5 of the dynamic pressure plate platform 4 is subjected to pressure, the spring 4-11 is compressed, the upper busbar of the roller 4-5 is flush with the upper plane of the dynamic pressure plate 4-4, and then the piston rod of the oil cylinder 6-4 retracts, the dynamic pressure plate platform 4 drops, the spring 4-11 rebounds, the door leaf contacts the roller 4-5, the transmission mechanism 5 starts, and the door leaf is transported to the second conveying device 14. In winter, low temperatures increase the bonding time of the adhesive and reduce production efficiency. In order to prevent low temperatures from reducing production efficiency, the carbon fiber heating tube 2-2 is connected, the temperature in the insulation structure 10 increases, and the bonding time of the adhesive is shortened. In order to improve production efficiency, the length of the dynamic pressure plate platform 4 and the static pressure plate 3 of this embodiment is increased so that multiple door leaves can be crimped at the same time.

[0042] The above description is only a preferred feasible embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent structural changes made using the contents of the present invention description and drawings are included in the scope of rights of the present invention.

Claims

1. A fire door leaf gluing production line, including a conveying device, characterized in that : It also includes a crimping conveyor, which includes a plurality of gantry frames arranged in parallel, a horizontal static pressure plate is provided at the lower part of the upper crossbeam of the gantry frame; a dynamic pressure plate platform is provided below the static pressure plate, and the dynamic pressure plate platform includes a rectangular outer frame, and a plurality of horizontal dynamic pressure plates are evenly distributed inside the outer frame; rollers are provided between adjacent dynamic pressure plates, and the bearing seats at both ends of the rollers are fixedly connected to the longitudinal frame of the outer frame through a height adjustment mechanism; the rollers are driven by a transmission mechanism; a crimping jacking mechanism is provided at the lower part of the dynamic pressure plate platform; The height adjustment mechanism comprises a rectangular upper seat plate, a guide rod, a guide sleeve and a lower seat plate. The upper seat plate is placed at the bottom of the roller bearing seat, the upper seat plate is fixedly connected to the roller bearing seat, a vertical guide rod is arranged on the lower surface of the upper seat plate, the guide rod is arranged in the axial hole of the guide sleeve, a flange structure is arranged at the lower end of the guide sleeve, a lower seat plate is arranged at the lower part of the flange structure, the lower seat plate is fixedly connected to the inner side surface of the longitudinal frame, a spring is arranged between the upper seat plate and the guide sleeve, and the spring is sleeved on the guide rod; When the spring is in a free state, the upper generatrix of the roller is higher than the upper plane of the dynamic pressure plate.

2. The fire door leaf gluing production line according to claim 1 is characterized in that The transmission mechanism includes a sprocket, a chain, a motor and a reducer. One end of the roller shaft passes through the longitudinal frame. The longitudinal frame is a channel steel structure with an opening facing outward. A driven sprocket is installed at the end of the roller shaft. The sprocket is located in the groove of the longitudinal frame. The rollers are driven by chains. The front rollers are driven by the chain and the active sprocket of the reducer output shaft. The reducer is connected to the motor, and the reducer and the motor are fixed to the frame through a bracket.

3. The fire door leaf gluing production line according to claim 1 is characterized in that There are two crimping jacking mechanisms, namely the first crimping jacking mechanism and the second crimping jacking mechanism. The first crimping jacking mechanism includes a cylinder, an ear seat and a pin shaft. The ear seat is installed on the lower surface of the dynamic pressure plate. The ear seat is hinged to the piston rod of the cylinder through the pin shaft. The cylinder body of the cylinder is fixed to the cylinder bracket through bolts, and the cylinder bracket is fixed to the lower crossbeam of the frame; the first crimping jacking mechanism and the second crimping jacking mechanism are respectively placed at both ends of the dynamic pressure plate platform.

4. The fire door leaf gluing production line according to claim 1 is characterized in that A guide mechanism is provided at the center of the lower surface of the dynamic pressure plate. The guide mechanism includes a guide column and a guide sleeve. The guide column cooperates with the guide sleeve, and the guide sleeve is fixedly connected to the crossbeam at the lower part of the frame.

5. The fire door leaf gluing production line according to claim 1 is characterized in that An upper heating mechanism is provided above the static pressure plate and is placed between the upper beams of the frame. The upper heating mechanism includes a heating element and an upper bracket. The upper bracket is placed transversely at both ends of the upper beam, and the two ends of the bracket are respectively fixed to the upper beam. The upper bracket is provided with a mounting hole, and the two ends of the heating element are placed in the mounting hole.

6. The fire door leaf gluing production line according to claim 1 is characterized in that : A lower heating mechanism is provided under the dynamic pressure plate, and the lower heating mechanism includes a heating element and a lower bracket. Vertical lower brackets are respectively provided at both ends of the dynamic pressure plate. A mounting hole is provided at the lower end of the lower bracket, and the heating element is placed in the mounting hole; insulation structures are provided on both sides and the top of the crimping conveyor.

7. The fire door leaf gluing production line according to claim 5 or 6, characterized in that :The heating element is a carbon fiber heating tube.

8. The fire door leaf gluing production line according to claim 1 is characterized in that The conveying device comprises a first conveying device and a second conveying device, and the first conveying device and the second conveying device are respectively placed at two ends of the crimping conveyor.

9. The fire door leaf gluing production line according to claim 1, characterized in that : The frame of the crimping conveyor is equipped with a position sensor, which is connected to the control system.

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