Glass hot bending machine

Abstract

The utility model relates to the technical field of hot bending machines, and discloses a glass hot bending machine which is characterized in that a feeding mechanism is arranged on the left side of a forming chamber at the top of a box body, a cooling mechanism is arranged in the box body, and a temperature measuring mechanism is arranged on the top side in the box body; according to the utility model, preheating, forming and cooling are effectively combined in one hearth, so that the equipment structure is greatly simplified, the investment cost is greatly reduced, and the experimental requirements of quickly exploring hot bending data of some materials and accurately outputting results are met; a flow valve is arranged on the control panel, so that the requirements of the graphite mold on different points and different pressures can be met, and the formability is better; the cylinder drives the thermocouple to move through the support, the position of the thermocouple can be adjusted according to different molds, and the temperature is accurately measured; nitrogen enters the forming chamber through a plurality of gas outlet pipes under the guidance of the gas inlet coil pipe, so that the uniformity of the atmosphere is ensured, and the impact on a thermal field can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of heat bending machines, in particular to a glass heat bending machine. Background Art

[0002] The forming of 3D glass is that a 2D flat sheet is pressed in a corresponding graphite mold under a reasonable temperature and pressure. The operation is generally divided into three stages: preheating, preheating and slow cooling. The hot bending machines on the market generally adopt multi-stage operation, and the equipment is large in size, resulting in complex mechanical structure, high investment cost and long payback period. At the same time, nitrogen, as an important gas to protect the graphite mold, directly enters the furnace. The cold air has a greater impact on the thermal field, resulting in uneven temperature field. For this reason, a glass hot bending machine is proposed. Summary of the invention

[0003] The purpose of the utility model is to provide a glass bending machine to solve the problem that the bending machines on the market generally adopt multi-stage operation, the equipment volume is large, the mechanical structure is complex, the investment cost is high, and the payback period is long. At the same time, nitrogen, as an important gas to protect the graphite mold, directly enters the furnace, and the cold air has a greater impact on the thermal field, causing the problem of uneven temperature field.

[0004] To achieve the above object, the utility model provides the following technical solution: a glass hot bending machine, comprising a box, a molding chamber is arranged on the top of the box, a feeding mechanism is arranged on the top of the box on the left side of the molding chamber, a cooling mechanism is arranged inside the box, and a temperature measuring mechanism is arranged on the top side of the box;

[0005] The top of the molding chamber is fixedly connected to a support frame, and a first pressurizing cylinder is installed on the top of the support frame, and the piston rod of the first pressurizing cylinder is fixedly connected to a cylinder bracket, and the top of the cylinder bracket is fixedly connected to a slider, and the slider is slidably connected to the inside of the support frame, and a second pressurizing cylinder is installed inside the cylinder bracket, and the piston rod of the second pressurizing cylinder is fixedly connected to a connecting shaft, one end of the connecting shaft passes through the cylinder bracket and is fixedly connected to a pressure rod, and one end of the pressure rod movably passes through the top of the molding chamber, and two heat shrouds are fixedly connected to the inside of the molding chamber, and through holes are provided on the two heat shrouds, and an air intake coil is fixedly connected to one of the heat shrouds, and air inlets are provided at both ends of the air intake coil, and a heating wire is fixedly connected to the inside of the molding chamber on the opposite side of the two heat shrouds, and two flow meters are installed on the top of the molding chamber.

[0006] Preferably, the air inlet extends to the top of the molding chamber, and an air outlet pipe is provided at the lower side of the air inlet coil, and the air outlet pipe runs through the bottom of one of the heat hoods.

[0007] Preferably, a control panel is installed on the inner bottom side of the box, a flow valve is installed on the control panel, and a PLC controller is installed on the control panel above the flow valve.

[0008] Preferably, the feeding mechanism comprises a graphite mold, a proximity switch and a first feeding cylinder; the top of the box body is fixedly connected to a fixing frame, the graphite mold is arranged on the top of the fixing frame, the proximity switch is installed on the fixing frame and is located on one side of the graphite mold, the first feeding cylinder is installed at the bottom of the fixing frame, a first push rod is installed on the first feeding cylinder, one end of the first push rod is located at one end of the graphite mold, a second feeding cylinder is installed on the inner top side of the box body, and a piston rod of the second feeding cylinder is located at one end of the fixing frame and is fixedly connected to a side furnace door.

[0009] Preferably, a third feeding cylinder is installed on a side of the molding chamber away from the fixed frame, and a second push rod is installed on the piston rod of the third feeding cylinder, and one end of the second push rod passes through the interior of the molding chamber.

[0010] Preferably, the cooling mechanism comprises a vortex fan, an air duct and an air storage tank, wherein the vortex fan is installed inside the box, one end of the air duct passes through the box, the molding chamber and another heat-saturating cover in sequence, and the air storage tank is installed on the inner top side of the box.

[0011] Preferably, the temperature measuring mechanism comprises a cylinder, a bracket and a thermocouple, wherein the cylinder is mounted on the inner top side of the box, the bracket is fixedly connected to the piston rod of the cylinder, the thermocouple is mounted on the top of the bracket, and one end of the thermocouple passes through the box and the molding chamber in sequence.

[0012] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0013] The utility model effectively combines preheating, forming and cooling in one furnace, greatly simplifies the equipment structure and investment cost, and meets the experimental requirements of quickly exploring the hot bending data of certain materials and accurately outputting the results;

[0014] The utility model can meet the requirements of different pressures at different points of the graphite mold through the flow valve arranged on the control panel, and the moldability is better; the cylinder drives the thermocouple to move through the bracket, and the position of the thermocouple can be adjusted according to different molds to accurately measure the temperature;

[0015] In the utility model, nitrogen enters the interior of the molding chamber through a plurality of air outlet pipes under the guidance of the air inlet coil, thereby ensuring the uniformity of the atmosphere and avoiding the impact on the thermal field. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a right side cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the top view structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the heat soaking hood of the utility model.

[0022] Explanation of the reference numerals: 1. feeding mechanism; 101. graphite mold; 102. proximity switch; 103. first feeding cylinder; 104. second feeding cylinder; 105. third feeding cylinder; 106. side furnace door; 2. molding chamber; 201. first pressurizing cylinder; 202. second pressurizing cylinder; 203. slider; 204. pressure rod; 205. heating wire; 206. heat hood; 207. air inlet coil; 208. flow meter; 209. air inlet; 210. cylinder bracket; 211. control panel; 212. flow valve; 213. PLC controller; 214. connecting shaft; 3. cooling mechanism; 301. vortex fan; 302. air duct; 303. gas storage tank; 4. temperature measuring mechanism; 401. cylinder; 402. bracket; 403. thermocouple; 5. box. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application. Example

[0025] In the existing technology, hot bending machines generally use multi-stage operation, which results in large equipment volume, complex mechanical structure, high investment cost and long payback period. At the same time, nitrogen, as an important gas to protect graphite molds, directly enters the furnace, and the cold air has a great impact on the thermal field, resulting in uneven temperature field.

[0026] See also Figure 1-5 The utility model provides a technical solution: a glass hot bending machine, including a box body 5, a molding chamber 2 is arranged on the top of the box body 5, a feeding mechanism 1 is arranged on the top of the box body 5 and on the left side of the molding chamber 2, a cooling mechanism 3 is arranged inside the box body 5, and a temperature measuring mechanism 4 is arranged on the top side of the box body 5.

[0027] The top of the molding chamber 2 is fixedly connected to a support frame, a first pressurizing cylinder 201 is installed on the top of the support frame, a piston rod of the first pressurizing cylinder 201 is fixedly connected to a cylinder bracket 210, a slider 203 is fixedly connected to the top of the cylinder bracket 210, the slider 203 is slidably connected to the inside of the support frame, a second pressurizing cylinder 202 is installed inside the cylinder bracket 210, a piston rod of the second pressurizing cylinder 202 is fixedly connected to a connecting shaft 214, one end of the connecting shaft 214 passes through the cylinder The support 210 is fixedly connected to a pressure rod 204, one end of which is movable through the top of the molding chamber 2. Two heat shrouds 206 are fixedly connected to the inside of the molding chamber 2. Both heat shrouds 206 are provided with through holes. One of the heat shrouds 206 is fixedly connected to an air intake coil 207. Both ends of the air intake coil 207 are provided with air inlets 209. The inside of the molding chamber 2 is located on the opposite side of the two heat shrouds 206 and is fixedly connected to a heating wire 205. Two flow meters 208 are installed on the top, a control panel 211 is installed on the inner bottom side of the box body 5, a flow valve 212 is installed on the control panel 211, nitrogen enters the molding chamber 2 through the flow meter 208 and the air inlet 209, a PLC controller 213 is installed on the control panel 211 above the flow valve 212, a heating wire 205 is set in the molding chamber 2 to start heating, and the PLC controller 213 controls it to heat up to the preheating section, when the heating wire 205 is controlled by the PLC controller 213 to heat up to the molding section, the first pressurizing cylinder 201 starts to apply a pre-pressure, pushing the cylinder bracket 210 and the slider 203 to move downward, the flow valve 212 on the control panel 211 drives the second pressurizing cylinder 202 to work under the set parameters, and the pressure rod 204 applies pressure to the graphite mold 101 under the action of the second pressurizing cylinder 202 and the connecting shaft 214, and the setting of multiple second pressurizing cylinders 202 can ensure that different pressures are applied to each point.

[0028] In order to ensure the uniformity of the furnace atmosphere and avoid impacting the entire thermal field, the air inlet 209 extends to the top of the molding chamber 2, and an air outlet pipe is provided on the lower side of the air inlet coil 207, and the air outlet pipe runs through the bottom of one of the heat-saturating hoods 206; the air inlet coil 207 is arranged on the heat-saturating hood 206, and after the nitrogen enters the air inlet coil 207 through the air inlet 209, it is synchronously heated to the specified temperature and then flows evenly into the molding chamber 2 through the air outlet pipe.

[0029] By setting up the feeding mechanism 1, the feeding of the graphite mold 101 can be completed, which saves time and effort; the feeding mechanism 1 includes a graphite mold 101, a proximity switch 102 and a first feeding cylinder 103, the top of the box 5 is fixedly connected with a fixing frame, the graphite mold 101 is arranged on the top of the fixing frame, the proximity switch 102 is installed on the fixing frame and is located on one side of the graphite mold 101, the first feeding cylinder 103 is installed at the bottom of the fixing frame, and a first push rod is installed on the first feeding cylinder 103, one end of the first push rod is located at one end of the graphite mold 101, and the box 5 is installed on the inner top side, and the piston rod of the second feeding cylinder 104 is located at one end of the fixed frame and is fixedly connected to the side furnace door 106; by placing the graphite mold 101 on one side of the fixed frame proximity switch 102, the proximity switch 102 outputs a signal to the second feeding cylinder 104 to open the side furnace door 106, and the first push rod of the first feeding cylinder 103 pushes the graphite mold 101 to the top of another heat hood 206, so that it moves to the middle of the molding chamber 2, and the second feeding cylinder 104 pulls the side furnace door 106 to a closed state.

[0030] In order to take out the graphite mold 101; a third feeding cylinder 105 is installed on the side of the molding chamber 2 away from the fixed frame, and the piston rod of the third feeding cylinder 105 is installed with a second push rod, and one end of the second push rod passes through the interior of the molding chamber 2; after the temperature of the furnace drops to room temperature, the second feeding cylinder 104 opens the side furnace door 106, and the third feeding cylinder 105 pushes the graphite mold 101 to the proximity switch 102, and then the third feeding cylinder 105 is retracted, and the second feeding cylinder 104 closes the side furnace door 106, then the hot bending of the glass is completed, and one glass hot bending is completed, and the operation is repeated after replacing the new glass loading.

[0031] In order to ensure rapid cooling of the furnace temperature, the cooling mechanism 3 includes a vortex fan 301, an air duct 302 and an air tank 303. The vortex fan 301 is installed inside the box 5. One end of the air duct 302 passes through the box 5, the molding chamber 2 and another heat-saturating cover 206 in sequence. The air tank 303 is installed on the top side of the box 5. After the glass is molded in the graphite mold 101, the first pressurized cylinder 201 retracts the pressure rod 204, and the heating wire 205 stops working. At the same time, the vortex fan 301 starts working, driving the air in the air duct 302 and the air tank 303 to circulate quickly, so that the furnace temperature can be cooled quickly.

[0032] In order to accurately measure the temperature of the graphite mold 101, the temperature measuring mechanism 4 includes a cylinder 401, a bracket 402 and a thermocouple 403. The cylinder 401 is installed on the inner top side of the box 5, the bracket 402 is fixedly connected to the piston rod of the cylinder 401, and the thermocouple 403 is installed on the top of the bracket 402. One end of the thermocouple 403 passes through the box 5 and the molding chamber 2 in sequence. The cylinder 401 drives the thermocouple 403 to move through the bracket 402. The position of the thermocouple 403 can be adjusted according to different molds to accurately measure the temperature.

[0033] The model of PLC controller 213 is: fp-xh-c60t.

[0034] Working principle or structural principle, when in use, by placing the graphite mold 101 on one side of the fixed frame proximity switch 102, the proximity switch 102 outputs a signal to the second feeding cylinder 104 to open the side furnace door 106, the first push rod of the first feeding cylinder 103 pushes the graphite mold 101 to the top of another heat hood 206, so that it moves to the middle of the molding chamber 2, and the second feeding cylinder 104 pulls the side furnace door 106 to a closed state.

[0035] A heating wire 205 is set in the molding chamber 2 to start heating, and the temperature is controlled to rise to the preheating stage through the PLC controller 213. Synchronously, the cylinder 401 pushes the bracket 402 to rise, and the thermocouple 403 reaches the bottom of the graphite mold 101 to start temperature measurement. Nitrogen enters the molding chamber 2 through the flow meter 208 and the air inlet 209. Since the heat hood 206 is arranged near the heating wire 205, the heat radiation received is relatively uniform. The air inlet coil 207 is arranged on the heat hood 206. After the nitrogen enters the air inlet coil 207 through the air inlet 209, it is synchronously heated to the specified temperature, and then evenly flows into the molding chamber 2 through the air outlet pipe, ensuring the uniformity of the furnace atmosphere without causing impact on the entire thermal field.

[0036] The heating wire 205 is controlled by the PLC controller 213 to heat up to the molding section, and the first pressurizing cylinder 201 begins to apply a pre-pressure to push the cylinder bracket 210 and the slider 203 downward. The flow valve 212 on the control panel 211 drives the second pressurizing cylinder 202 to work under the set parameters. The pressure rod 204 applies pressure to the graphite mold 101 under the action of the second pressurizing cylinder 202 and the connecting shaft 214. By setting multiple second pressurizing cylinders 202, different pressures can be applied to each point.

[0037] After the glass is formed in the graphite mold 101, the first pressurizing cylinder 201 retracts the pressure rod 204, and the heating wire 205 stops working. At the same time, the vortex fan 301 starts working, driving the air in the air duct 302 and the air storage tank 303 to circulate quickly, so that the furnace temperature can be quickly cooled.

[0038] After the temperature of the furnace drops to room temperature, the second feeding cylinder 104 opens the side furnace door 106, and the third feeding cylinder 105 pushes the graphite mold 101 to the proximity switch 102, and then the third feeding cylinder 105 is retracted, and the second feeding cylinder 104 closes the side furnace door 106, and the hot bending of the glass is completed.

[0039] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. A glass bending machine, comprising a housing (5), characterized in that: A molding chamber (2) is arranged on the top of the box (5); a loading mechanism (1) is arranged on the top of the box (5) and located on the left side of the molding chamber (2); a cooling mechanism (3) is arranged inside the box (5); and a temperature measuring mechanism (4) is arranged on the top side of the box (5); The top of the molding chamber (2) is fixedly connected to a support frame, a first pressurizing cylinder (201) is installed on the top of the support frame, a piston rod of the first pressurizing cylinder (201) is fixedly connected to a cylinder bracket (210), a slider (203) is fixedly connected to the top of the cylinder bracket (210), the slider (203) is slidably connected to the inside of the support frame, a second pressurizing cylinder (202) is installed inside the cylinder bracket (210), a piston rod of the second pressurizing cylinder (202) is fixedly connected to a connecting shaft (214), one end of the connecting shaft (214) passes through the cylinder bracket (210) and is fixedly connected to the cylinder bracket (210). A pressure rod (204) is provided, one end of the pressure rod (204) movably passes through the top of the molding chamber (2), two heat shrouds (206) are fixedly connected inside the molding chamber (2), both of the heat shrouds (206) are provided with through holes, one of the heat shrouds (206) is fixedly connected to an air intake coil (207), both ends of the air intake coil (207) are provided with air intake ports (209), a heating wire (205) is fixedly connected inside the molding chamber (2) on the opposite side of the two heat shrouds (206), and two flow meters (208) are installed on the top of the molding chamber (2).

2. A glass bending machine according to claim 1, characterized in that: The air inlet (209) extends to the top of the molding chamber (2), and an air outlet pipe is provided on the lower side of the air inlet coil (207), and the air outlet pipe runs through the bottom of one of the heat hoods (206).

3. A glass bending machine according to claim 1, characterized in that: A control panel (211) is installed on the inner bottom side of the box body (5), a flow valve (212) is installed on the control panel (211), and a PLC controller (213) is installed on the control panel (211) above the flow valve (212).

4. A glass bending machine according to claim 1, characterized in that: The feeding mechanism (1) comprises a graphite mold (101), a proximity switch (102) and a first feeding cylinder (103); the top of the box body (5) is fixedly connected to a fixing frame, the graphite mold (101) is arranged on the top of the fixing frame, the proximity switch (102) is installed on the fixing frame and is located on one side of the graphite mold (101); the first feeding cylinder (103) is installed on the bottom of the fixing frame; a first push rod is installed on the first feeding cylinder (103), one end of the first push rod is located at one end of the graphite mold (101); a second feeding cylinder (104) is installed on the top side of the box body (5), and a piston rod of the second feeding cylinder (104) is located at one end of the fixing frame and is fixedly connected to a side furnace door (106).

5. A glass bending machine according to claim 4, characterized in that: A third feeding cylinder (105) is installed on the side of the molding chamber (2) away from the fixed frame, and a second push rod is installed on the piston rod of the third feeding cylinder (105), and one end of the second push rod passes through the interior of the molding chamber (2).

6. A glass bending machine according to claim 1, characterized in that: The cooling mechanism (3) comprises a vortex fan (301), an air duct (302) and an air storage tank (303); the vortex fan (301) is installed inside the box (5); one end of the air duct (302) passes through the box (5), the molding chamber (2) and another heat-saturating cover (206) in sequence; and the air storage tank (303) is installed on the top side of the box (5).

7. A glass bending machine according to claim 1, characterized in that: The temperature measuring mechanism (4) comprises a cylinder (401), a bracket (402) and a thermocouple (403); the cylinder (401) is mounted on the inner top side of the box (5); the bracket (402) is fixedly connected to the piston rod of the cylinder (401); the thermocouple (403) is mounted on the top of the bracket (402); and one end of the thermocouple (403) passes through the box (5) and the molding chamber (2) in sequence.

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