CN107298525B - A glass curved surface forming heating device - Google Patents

Abstract

The invention relates to the technical field of glass heating equipment, in particular to a glass curved surface forming and heating device which comprises a controller and a heating cavity, wherein a plurality of groups of heating coils are arranged in the heating cavity, two adjacent groups of heating coils are arranged in a staggered mode, a mold lifting mechanism is correspondingly arranged below the heating coils, the mold lifting mechanism is installed in the heating cavity, and the controller is electrically connected with the heating coils. The heating device has a simple structure, can heat a plurality of products simultaneously, reduces the mutual influence among the electromagnetic coils, ensures that the heating temperature is more stable, and has higher use stability by lifting the products to the heating position of the heating coil through the die lifting mechanism.

Description

A glass curved surface forming heating device

technical field

The invention relates to the technical field of glass heating equipment, in particular to a glass curved surface forming heating device.

Background technique

In the 3C manufacturing industry, the mobile phone screen or shell is generally die-casted through a mold. In this process, the general steps are: now put a blank on the mold, and then put the mold with the blank into the die-casting device for die-casting forming.

In the prior art, mainly by heating the die of the die-casting device, the temperature is transferred to the product through the die, so that the product is gradually deformed to obtain the desired shape under the pressure of the die. During the die-casting process of the die-casting device, it is necessary to wait for the die to transfer heat to the product, and the die-casting cannot be performed quickly. Moreover, due to the different shapes of the die, the temperature of each position of the die is also different, resulting in uneven heating of the product and the die. Defective products are prone to occur.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a glass curved surface forming heating device which can effectively improve processing efficiency, is convenient to use, and has high processing precision.

The technical scheme adopted in the present invention is:

A glass curved surface forming heating device, comprising a controller and a heating cavity. The mold lifting mechanism is installed in the heating cavity, and the controller is electrically connected with the heating coil.

Wherein, the adjacent two groups of heating coils are isolated by isolation plates.

Wherein, the spiral height of the heating coil is greater than or equal to the thickness of the material, and after the material moves to the heating position of the heating coil, the distance between the lower surface of the heating coil and the upper surface of the heated material is greater than the lower surface of the heating coil The distance from the lower surface of the heated material.

The inner contour of the heating coil is the same as the outer contour of the material to be heated, and the distance between the inner surface of the heating coil and the outer surface of the material to be heated is 0.5-20 mm.

Wherein, the four directions of the heating coil are respectively connected with the heating cavity through the fixing rod.

Wherein, the heating cavity is provided with a first temperature sensor and a second temperature sensor for sensing the temperature at both ends of the product, and the controller is electrically connected with the first temperature sensor and the second temperature sensor.

Wherein, the first temperature sensor and the second temperature sensor are infrared temperature detectors.

Wherein, the mold lifting mechanism includes an installation frame, the installation frame is fixedly connected with the heating cavity, the installation frame is installed with a lifting cylinder, the output end of the lifting cylinder is connected with a sliding unit, and the sliding unit A connecting rod is connected, and one end of the connecting rod is connected with a mold positioning mechanism.

Wherein, the mold positioning mechanism includes a positioning platform, the positioning platform is provided with a positioning hole, a positioning column is slidably arranged in the positioning hole, and a side of the positioning platform facing the mounting frame is connected with a positioning column for lifting the positioning column. Elastic jacking mechanism.

Wherein, the heating coil is connected with a water cooling pipe.

The beneficial effects of the present invention are:

A glass curved surface forming heating device, comprising a controller and a heating cavity, several groups of heating coils are arranged in the heating cavity, the adjacent two groups of heating coils are arranged in dislocation, a mold lifting mechanism is correspondingly arranged under the heating coils, and the mold is lifted The mechanism is installed in the heating cavity, and the controller is electrically connected with the heating coil. The invention has a simple structure, can heat a plurality of products at the same time, reduces the mutual influence between the electromagnetic coils, and makes the heating temperature more stable. higher.

Description of drawings

Accompanying drawing 1 is the perspective view of the present invention;

FIG. 2 is a perspective view of the mold lifting mechanism of the present invention.

Detailed ways

Below in conjunction with embodiment, the present invention is further described:

As shown in FIG. 1 , in this embodiment, a glass curved surface forming heating device includes a controller and a heating cavity 1 . The heating cavity 1 is provided with two sets of heating coils 2 , and the adjacent two sets of heating coils 2 are arranged in a Displaced arrangement, a mold lifting mechanism 4 is correspondingly arranged below the heating coil 2 , the mold lifting mechanism 4 is installed in the heating cavity 1 , and the controller is electrically connected to the heating coil 2 . The present invention has a simple structure, can heat a plurality of products at the same time, reduces the mutual influence between the electromagnetic coils, and makes the heating temperature more stable. Higher stability.

The adjacent two groups of heating coils 2 are isolated by the isolation plate 3 , which reduces the electromagnetic interference between the heating coils 2 and improves the heating stability of the heating coils 2 .

The spiral height of the heating coil 2 is greater than or equal to the thickness of the material. After the material moves to the heating position of the heating coil 2, the distance between the lower surface of the heating coil 2 and the upper surface of the heated material is greater than the distance between the lower surface of the heating coil 2 and the heated material. The distance between the lower surfaces of the heating material, the electromagnetic effect of the heating coil 2 can cover the material in all directions, so that the material is heated more evenly and the heating is more stable.

The inner contour of the heating coil 2 is the same as the outer contour of the material to be heated, and the distance between the inner side of the heating coil 2 and the outer side of the material to be heated is 6mm, so that the electromagnetic effect generated by the heating coil 2 is similar to the shape of the material, and further Improve the uniformity of heating and improve the heating efficiency at the same time.

The four directions of the heating coil 2 are respectively connected with the heating cavity 1 through the fixing rods, and the installation of the heating coil 2 is more stable.

The heating chamber 1 is provided with a first temperature sensor 11 and a second temperature sensor 12 for sensing the temperature at both ends of the product, and the controller is electrically connected with the first temperature sensor 11 and the second temperature sensor 12, which is convenient for measuring the two temperature of the material. At the same time, the controller can calculate the average temperature of the material from the temperature at both ends of the material, the calculation is more accurate, and the material is heated more evenly.

The first temperature sensor 11 and the second temperature sensor 12 are infrared temperature detectors, which do not need to be in direct contact with the material for measurement, which is convenient and quick, and has high measurement accuracy.

As shown in FIG. 2 , the mold lifting mechanism 4 includes an installation frame 41, which is fixedly connected with the heating cavity 1, the installation frame 41 is installed with a lifting cylinder 42, and the output end of the lifting cylinder 42 is connected with a sliding unit 43, The sliding unit 43 is connected with a connecting rod 44, and one end of the connecting rod 44 is connected with a mold positioning mechanism 45. The lifting cylinder 42 drives the sliding unit 43 to move, and drives the connecting rod 44 to rise and fall. The structure is simple, the drive is convenient, and the lifting stability is good.

The mold positioning mechanism 45 includes a positioning platform 451, the positioning platform 451 is provided with a positioning hole, and a positioning column 452 is slidably arranged in the positioning hole. The mechanism 453 facilitates the positioning of the product when it enters the positioning platform 451 and improves the processing accuracy.

The heating coil 2 is connected with a water and cold water channel 5, which is convenient for cooling the heating coil 2, improves the work efficiency, and enables the equipment to be rapidly cooled when not in use.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the patent of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (8)

1. The utility model provides a glass curved surface shaping heating device, includes controller and heating cavity (1), its characterized in that, be equipped with a plurality of heating coil (2) of group in heating cavity (1), adjacent two sets of heating coil (2) are dislocation arrangement, heating coil (2) below correspondence is equipped with mould lifting mechanism (4), mould lifting mechanism (4) are installed in heating cavity (1), the controller is connected with the heating coil electricity, mould lifting mechanism (4) include mounting bracket (41), mounting bracket (41) and heating cavity (1) fixed connection, lifting cylinder (42) are installed to mounting bracket (41), lifting cylinder's (42) output is connected with sliding element (43), sliding element (43) are connected with connecting rod (44), connecting rod (44) one end is connected with mould positioning mechanism (45), the die positioning mechanism (45) comprises a positioning platform (451), a positioning hole is formed in the positioning platform (451), a positioning column (452) is arranged in the positioning hole in a sliding mode, and an elastic jacking mechanism (453) used for enabling the positioning column (452) to jack up is connected to one side, facing the mounting frame (41), of the positioning platform (451).

2. A glass curve forming heating device according to claim 1, characterized in that the heating coils (2) of two adjacent groups are isolated by an isolation plate (3).

3. The heating device for forming a curved glass surface according to claim 1, wherein the spiral height of the heating coil (2) is greater than or equal to the thickness of the material, and the distance between the lower surface of the heating coil (2) and the upper surface of the material to be heated is greater than the distance between the lower surface of the heating coil (2) and the lower surface of the material to be heated after the material is moved to the heating position of the heating coil (2).

4. The heating device for forming a curved glass surface according to claim 1, wherein the inner contour of the heating coil (2) is identical to the outer contour of the material to be heated, and the distance between the inner side surface of the heating coil (2) and the outer side surface of the material to be heated is 0.5 to 20 mm.

5. The heating device for forming a curved glass surface according to claim 1, wherein the four directions of the heating coil (2) are respectively connected with the heating chamber (1) through fixing rods (21).

6. The heating device for forming the curved surface of the glass according to claim 1, wherein the heating cavity (1) is provided with a first temperature sensor (11) and a second temperature sensor (12) for sensing the temperature of two ends of a product, and the controller is electrically connected with the first temperature sensor (11) and the second temperature sensor (12).

7. A glass curve forming and heating device according to claim 6, characterized in that the first temperature sensor (11) and the second temperature sensor (12) are infrared temperature detectors.

8. The heating device for forming the curved surface of the glass according to claim 1, wherein the heating coil (2) is connected with a water cooling pipeline (5).

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