CN205420154U - Hot bender - Google Patents

Abstract

The utility model discloses a hot bending machine, which comprises a furnace, a bearing seat located in the furnace, and a pushing device; the furnace is filled with inert gas; There are several placement areas for the mold to be placed; the pushing device is used to push the mold along the length direction of the receiving seat; the furnace is sequentially provided with a preheating station, a forming station, an annealing station, and a heating station along the length direction of the receiving seat. station; the receiving seat includes a first heating section located at the forming station; the forming station is also provided with a first heating device located above the first heating section; the hot bending machine also includes a first power component ; The lower end of the first heating device is formed with a pressing surface for pressing the mold and transferring heat to the mold. The utility model can improve heat transfer efficiency, and can be used for hot bending of at least two glasses at the same time, thereby improving efficiency.

Description

a hot bending machine

technical field

The utility model relates to a hot bending machine.

Background technique

Existing hot bending machines generally include a preheating station, a forming station, and an annealing station. In the process of glass processing, the glass is generally placed in the mold first, and then the mold is placed in the preheating station for preheating. Place the mold in the forming station to heat to soften the glass and shape it in the mold, and then place it in the annealing station for annealing. At present, the forming station of the existing hot bending machine is fixed with a heating pipe. When the mold is located at the forming station, the heat of the heating pipe can be used to raise the temperature of the forming station. The mold is heated up, but the heat transfer efficiency is low, which is far from meeting the needs of the industry.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a hot bending machine, which adopts the combined design of the first heating device, the first power component, and the first heating section. When the mold is located at the forming station, The direct contact between the first heating section and the first heating device and the mold can be used to transfer heat to the mold, so as to improve the heat transfer efficiency.

In order to solve the above problems, the technical scheme adopted in the utility model is as follows:

A hot bending machine, comprising a furnace, a bearing seat located in the furnace, and a pushing device; the furnace is filled with an inert gas; the bearing base is formed with holes arranged in sequence along its width direction and used for placing molds. At least two placement areas; the pushing device is used to push the mold along the length direction of the receiving seat; the furnace is sequentially provided with a preheating station, a forming station, and an annealing station along the length direction of the receiving seat; The receiving seat includes a first heating section located at the forming station; the forming station is also provided with a first heating device located above the first heating section; The first moving power part; the lower end of the first heating device forms a pressing surface for pressing the mold and transferring heat to the mold.

The first power component is a first cylinder.

The receiving seat includes a second heating section located at the preheating station, and the preheating station is provided with a second heating device located above the second heating section; the hot bending machine also includes a second heating device for driving The second cylinder that moves up and down.

The second heating section includes several heating sections arranged in sequence along the length direction of the receiving seat, and the preheating station is provided with several second heating devices corresponding to each heating section; the hot bending machine includes Each second heating device corresponds to a plurality of second cylinders one by one.

The annealing station includes a heat preservation and pressure holding station and a first cooling station arranged in sequence along the length direction of the receiving seat; the heat preservation and pressure holding station is located between the first cooling station and the forming station; The seat also includes a third heating section located at the heat preservation and pressure holding station, and a cooling section located at the first cooling station; the heat preservation and pressure holding station is also provided with a third heating device located above the third heating section, fixed on The first cooling device above the third heating device; the first cooling station is also provided with a second cooling device located above the cooling section; the hot bending machine also includes a device for driving the first cooling device and the third heating device up and down The third cylinder for moving, and the fourth cylinder for driving the second cooling device to move up and down.

Both the first cooling device and the second cooling device include a cooling plate, and the cooling plate is provided with a cooling channel through which a cooling medium flows.

The third heating device is also used for pressing the mold.

A second cooling station is also provided outside the furnace.

The pushing device includes a connecting frame, a first pushing cylinder for driving the connecting frame to reciprocate along the length direction of the receiving seat, a pushing frame, and a cylinder mounted on the connecting frame and used for driving the pushing frame along the bearing. A second material pushing cylinder reciprocating in the width direction of the seat; the piston rod of the second material pushing cylinder is connected to the material pushing frame; on the material pushing frame, a number of them are arranged at intervals along the length direction of the seat a push rod.

The mold is made of graphite and includes a lower mold and an upper mold matched with the lower mold.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model adopts the combined design of the first heating device, the first power component and the first heating section. When the mold is located at the molding station, the first heating section can be used to carry the mold, and the first power component can be used to drive the first heating section. The heating device moves down and presses on the mold, so that the first heating section and the first heating device can directly contact the mold to transfer heat to the mold, so as to improve the heat transfer efficiency; moreover, the hot bending machine of the utility model can also improve the processing efficiency , and can reduce the workload of the operator, which is conducive to promotion.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the internal schematic diagram of the utility model;

Fig. 3 is a schematic structural view of the pushing device and the receiving seat;

Fig. 4 is another schematic diagram of Fig. 3;

Fig. 5 illustrates the schematic diagram of the state of the mold before and after being pressed by the first heating device;

Among them, 10, mold; 11, upper mold; 12, lower mold; 20, furnace; 30, bearing seat; 31, first heating section; 32, second heating section; 33, third heating section; 34, cooling Section; 40, pushing device; 42, the first pushing cylinder; 43, connecting frame; 44, pushing frame; 45, the second pushing cylinder; 46, pushing rod; 51, the first heating device; 52, the first A power component; 61, the second heating device; 62, the second cylinder; 71, the third heating device; 72, the first cooling device; 73, the second cooling device; 74, the third cylinder; 75, the fourth cylinder.

detailed description

Below, in conjunction with accompanying drawing and specific embodiment, the utility model is described further:

As shown in Figures 1-4, it is a kind of hot bending machine of the present invention, including a furnace 20, a receiving seat 30 located in the furnace 20, and a pushing device 40; Directions are arranged in sequence and used for at least two placement areas for molds 10 to be placed, so as to facilitate simultaneous placement of at least two molds 10 and improve processing efficiency; the pushing device 40 is used to push molds 10 along the length direction of the receiving seat 30 ; The furnace 20 is sequentially provided with a preheating station, a forming station, and an annealing station along the length direction of the receiving seat 30; the receiving seat 30 includes a first heating section 31 located at the forming station; The molding station is also provided with a first heating device 51 above the first heating section 31; the hot bending machine also includes a first power unit 52 for driving the first heating device 51 to move up and down; the first heating device The lower end of 51 forms a pressure heat transfer surface for pressing against the mold 10 and for transferring heat to the mold 10 .

In the glass processing process, the glass is first placed on the mold 10, and the mold 10 and the glass first enter the preheating station for preheating treatment, and then are pushed to the forming station by the pushing device 40. At this time, the first power unit 52 Drive the first heating device 51 to move down, and use the first heating device 51 and the first heating section 31 to transfer heat to the mold 10, and at the same time, apply pressure to the mold 10 through the first heating device 51, so that the mold 10 After that, the mold 10 and the glass are pushed to the annealing station through the pushing device 40 and the glass is annealed, and then the mold 10 and the glass are moved out of the furnace 20. The utility model adopts the combined design of the first heating device 51, the first power component 52, and the first heating section 31. When the mold 10 is located at the molding station, the first heating section 31, the first heating device and the mold 10 can be used to directly The contact transfers heat to the mold 10 to improve the heat transfer efficiency, thereby improving the heating effect of the glass; moreover, the utility model is also applicable to molds 10 with different thicknesses.

Preferably, the first power component 52 is a first cylinder to facilitate assembly.

Wherein, in this embodiment, the number of the first heat generating devices 51 is set to two, and the number of the first power components 52 is consistent with the number of the first heat generating devices 51 and corresponds to each other.

Preferably, the receiving seat 30 includes a second heating section 32 located at a preheating station, and the preheating station is provided with a second heating device 61 located above the second heating section 32; the hot bending machine also includes The second cylinder 62 is used to drive the second heating device 61 to move up and down. In use, when the mold 10 and the glass are pushed to the preheating station, the second cylinder 62 can be used to drive the second heating device 61 to move down, so that the mold 10 can be heated by the second heating device 61 and the second heating section 32. transfer heat.

Specifically, the second heating section 32 includes several heating sections arranged in sequence along the length direction of the receiving seat 30, and the preheating station is provided with several second heating devices 61 corresponding to each heating section; The hot bending machine includes several second cylinders 62 corresponding to each second heat generating device 61 one by one. And by adopting the above-mentioned structure, in the actual processing process, the glass can be preheated by gradually increasing the temperature, so as to improve the quality of the product.

Preferably, the annealing station includes a heat preservation and pressure holding station and a first cooling station arranged in sequence along the length direction of the receiving seat 30; the heat preservation and pressure holding station is located between the first cooling station and the forming station Between; described bearing seat 30 also comprises the 3rd heating section 33 of the annealing station that is positioned at heat preservation and pressure holding station, and the cooling section 34 that is positioned at first cooling station; Said heat preservation and pressure holding station annealing station also A third heat generating device 71 located above the third heat generating section 33 and a first cooling device 72 fixed above the third heat generating device 71 are provided; the first cooling station is also provided with a second cooling station located above the cooling section 34 Device 73; the hot bending machine also includes a third cylinder 74 for driving the first cooling device 72 and the third heat generating device 71 to move up and down, and a fourth cylinder 75 for driving the second cooling device 73 to move up and down. In the actual processing process, when the mold 10 and the glass are pushed to the third heating section 33, the third cylinder 74 drives the third heating device 71 and the first cooling device 72 to move down, so that the glass can be kept at a predetermined temperature. , and then the mold 10 and the glass are pushed to the cooling section 34 by the pushing device 40. At this time, the fourth cylinder 75 drives the second cooling device 73 to move down, so that the glass is cooled by the second cooling device 73 together with the cooling section 34 , to reduce the thermal stress generated in the glass.

Specifically, the third heating device 71 is also used to press the mold 10 , so that the third heating device 71 can be used to continue to apply pressure to the mold 10 .

Preferably, both the first cooling device 72 and the second cooling device 73 include a cooling plate, and the cooling plate is provided with a cooling channel through which a cooling medium flows.

Wherein, in this embodiment, the number of the third heating devices 71 is set to two, and they are arranged in sequence along the length direction of the receiving seat 30, and the numbers of the third cylinders 74 and the first cooling devices 72 are equal to The number of the third heat generating devices 71 is consistent. The number of the second cooling devices 73 is set to two, and they are arranged in sequence along the length direction of the receiving seat 30 , and the number of the fourth cylinders 75 is consistent with the number of the second cooling devices 73 , and corresponds to each other. However, by adopting the above-mentioned structure, the cooling can be carried out step by step to improve the product quality.

Preferably, the furnace 20 is also filled with inert gas, so as to reduce the oxidation of the mold.

A second cooling station for cooling the mold 10 is provided outside the furnace 20 to further cool the glass to room temperature.

Preferably, the pushing device 40 includes a connecting frame 43, a first pushing cylinder 42 for driving the connecting frame 43 to reciprocate along the length direction of the receiving seat 30, a pushing frame 44, and a cylinder mounted on the connecting frame. 43 and is used to drive the second pushing material cylinder 45 that pushes the material frame 44 to reciprocate along the width direction of the receiving seat 30; the piston rod of the second material pushing cylinder 45 is connected with the material pushing frame 44; the pushing material A plurality of push rods 46 are sequentially arranged at intervals along the length direction of the receiving seat 30 on the frame 44 . When working, the first pushing cylinder 42 can be used to drive the connecting frame 43 to move forward along the length direction of the receiving seat 30, so as to drive the second pushing cylinder 45 to move forward together with the pushing frame 44, and each pushing rod 46 can be used to move forward. Push each mold 10 on the receiving seat 30 to move forward, after that, the second pushing cylinder 45 drives the pushing frame 44 and the pushing rod 46 to move right along the width direction of the receiving seat 30, and passes through the first pushing cylinder 42 Drive the connecting frame 43 to move backward along the length direction of the receiving seat 30, and then use the second pushing cylinder 45 to drive the pushing frame 44 and the pushing rod 46 to move left along the width direction of the receiving seat 30 to drive the pushing rod 46 Return to the initial position, and then drive the connecting frame 43 to move forward along the length direction of the receiving seat 30 through the first pusher cylinder 42, so as to push each mold 10 forward again with the pusher rod 46, so as to continuously Convey the workpiece.

Preferably, the furnace 20 may also be provided with a channel through which the cooling medium flows, so as to reduce the temperature inside the furnace 20 .

As shown in FIG. 5 , the mold 10 includes a lower mold 12 and an upper mold 11 matched with the lower mold 12 . Wherein, the mold 10 is made of graphite to improve thermal conductivity.

Wherein, in this embodiment, the first heating section 31 , the second heating section 32 , and the third heating section 33 may include various heating components such as a lower heat-conducting component, a heating tube or a heating wire installed on the lower heat-conducting component. The first heating device 51 , the second heating device 61 , and the third heating device 71 may include upper heat-conducting components, heating tubes or heating wires installed on the upper heat-conducting components, and other heating components. Certainly, the first heating section 31 , the second heating section 32 , the third heating section 33 , the first heating device 51 , the second heating device 61 , and the third heating device 71 are not limited to the above structures, and heating plates and the like can be used.

For those skilled in the art, various other corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all these changes and deformations should fall within the protection scope of the claims of the present utility model.

Claims (10)

1. A hot bending machine, characterized in that: it comprises a furnace, a receiving seat positioned in the furnace, and a pushing device; the furnace is filled with an inert gas; And it is used for at least two placement areas for placing the mold; the pushing device is used to push the mold along the length direction of the receiving seat; the furnace is sequentially provided with a preheating station and a molding station along the length direction of the receiving seat , an annealing station; the bearing seat includes a first heating section located at the forming station; the forming station is also provided with a first heating device located above the first heating section; the hot bending machine also includes a The first power part that drives the first heating device to move up and down; the lower end of the first heating device forms a pressing surface for pressing the mold and transferring heat to the mold. 2. The hot bending machine according to claim 1, characterized in that: the first power component is a first cylinder. 3. The hot bending machine according to claim 1, wherein the receiving seat includes a second heating section located at the preheating station, and the preheating station is provided with a second heating section located above the second heating section. The second heating device; the hot bending machine also includes a second cylinder for driving the second heating device to move up and down. 4. The hot bending machine according to claim 3, characterized in that: the second heating section includes several heating sections arranged in sequence along the length direction of the receiving seat, and the preheating station is provided with One-to-one correspondence of several second heating devices; the hot bending machine includes several second cylinders corresponding to each second heating device. 5. The hot bending machine according to claim 1, characterized in that: the annealing station includes a heat preservation and pressure holding station and a first cooling station arranged in sequence along the length direction of the receiving seat; The station is located between the first cooling station and the molding station; the bearing seat also includes a third heating section located at the heat preservation and pressure holding station, and a cooling section located at the first cooling station; the heat preservation and pressure holding station A third heating device located above the third heating section and a first cooling device fixed above the third heating section are also provided; the first cooling station is also provided with a second cooling device located above the cooling section; the heating The bending machine also includes a third cylinder for driving the first cooling device and the third heat generating device to move up and down, and a fourth cylinder for driving the second cooling device to move up and down. 6. The hot bending machine according to claim 5, characterized in that: the first cooling device and the second cooling device both include a cooling plate, and the cooling plate is provided with a cooling channel through which a cooling medium flows. 7. The hot bending machine according to claim 5, characterized in that: the third heating device is also used for pressing the mold. 8. The hot bending machine according to claim 1, wherein a second cooling station is arranged outside the furnace. 9. The hot bending machine according to claim 1, characterized in that: the pushing device includes a connecting frame, a first pushing cylinder for driving the connecting frame to reciprocate along the length direction of the receiving seat, and a pushing frame , and the cylinder body is installed on the connecting frame and is used to drive the second pushing material cylinder to reciprocate along the width direction of the supporting seat; the piston rod of the second pushing material cylinder is connected with the pushing material frame; A plurality of push rods are arranged at intervals along the length direction of the receiving seat on the push frame. 10. The hot bending machine according to claim 1, wherein the mold is made of graphite and includes a lower mold and an upper mold matched with the lower mold.