Annular vacuum molding press

Abstract

The invention relates to the technical field of compression molding, in particular to an annular vacuum molding press which is characterized in that a sealing box body is provided with a heating station, a molding station and a cooling station; the heating station, the forming station and the cooling station are circumferentially distributed in the sealing box body; a material opening is formed in the bottom of the sealing box body between the heating station and the cooling station; a mold conveying assembly is arranged on the portion, under the material opening, of the rack. A rotary shifting assembly is arranged in the sealed box body; the mold conveying assembly is composed of a translation linear module, a lifting module and a material carrying table. The lifting module is connected to the translation linear module; the material carrying table is connected to the lifting module. When the annular vacuum molding press is used, in the structure, all stations of the annular vacuum molding press are circumferentially distributed, the total length of the molding press is shortened, the spatial layout of the molding press in a plant is easier, the feeding port and the discharging port are overlapped at the material ports, the stations are reduced, and the internal structure of the molding press is more compact.

Description

Technical Field

[0001] The invention relates to the technical field of compression molding, in particular to an annular vacuum compression molding machine. Background Art

[0002] The molding machine heats the glass product inside the mold to a certain temperature, and then presses the mold into shape through the molding machine. In the existing molding structure. The molding machine is mainly composed of a feeding station, a heating station, a molding station, a cooling station and a discharge station arranged in a straight line. After the glass cup is cut into specified specifications, it is placed in the mold, and then the mold is placed in the feeding station. The mold is transported to each station one by one and finally discharged through the linear conveying mechanism inside the molding machine. This molding machine has a linear structure with feed and discharge at both ends of the equipment, which makes the molding machine longer and more difficult to layout in space. Summary of the invention

[0003] The object of the present invention is to provide a ring vacuum molding machine in view of the defects and shortcomings of the prior art.

[0004] To achieve the above object, the technical solution adopted by the present invention is: The annular vacuum molding machine of the present invention comprises a frame and a sealed box fixed inside the frame; the sealed box is provided with a heating station, a molding station and a cooling station; the heating station, the molding station and the cooling station are distributed in a circle in the sealed box; the bottom of the sealed box is provided with a material port between the heating station and the cooling station; The frame is provided with a mold conveying assembly directly below the material inlet; a rotating toggle assembly is provided inside the sealed box; the mold conveying assembly is composed of a translation linear module, a lifting module and a loading platform; the lifting module is connected to the translation linear module; and the loading platform is connected to the lifting module.

[0005] Furthermore, the molding station includes an upper lifting module, an upper cover, an upper heating block, a lower heating block, a lower sealing cover and a lower lifting module; one end of the lower lifting module and the lower sealing cover are fixed to the bottom of the sealing box; one end of the upper lifting module and the upper heating block are fixed to the top of the sealing box; the upper cover, the upper heating block, the lower heating block and the lower sealing cover are all arranged in the inner cavity of the sealing box; The upper heating block is arranged in the inner cavity of the upper cover body; the lower heating block is arranged in the inner cavity of the lower sealing cover; The other end of the lower lifting module extends into the lower sealing cover and is fixedly connected to the lower heating block; the other end of the upper lifting module is fixed on the upper cover body.

[0006] Furthermore, bridge assemblies are provided on both sides of the forming station; transition plates are provided between the cooling station and the material port and between the heating station and the material port; the bridge assembly includes a rotating plate, a rotating shaft and a rotating cylinder; one end of the rotating cylinder is fixed in a sealed box; the other end of the rotating cylinder is fixed to one end of the rotating shaft; the other end of the rotating shaft is fixed to the rotating plate; the top surface of the rotating plate, the top surface of the transition plate and the top surface of the lower heating block are all placed on the same horizontal plane.

[0007] Furthermore, the number of the heating stations and the number of the cooling stations are both at least two; the heating stations are both arranged between the molding station and the material port; and the cooling stations are both arranged between the material port and the molding station.

[0008] Furthermore, the number of the heating stations and the number of the cooling stations are both three.

[0009] Furthermore, the rotary toggle assembly includes a rotary module and toggle rods uniformly distributed on the rotary module; one end of the rotary module is fixed on the sealed box; and one end of the toggle rod is fixed to the other end of the rotary module.

[0010] Furthermore, an observation window is provided on the sealed box.

[0011] After adopting the above structure, the beneficial effects of the present invention are as follows: in the first step, the mold is placed on the loading platform, and the loading platform is moved to the bottom of the material port by the lifting module, and the lifting module lifts the mold on the loading platform so that the mold enters the inside of the sealed box; in the second step, the rotating toggle assembly to toggle the mold on the loading platform to transfer the mold to the heating station, and the mold is heated to the set temperature by the heating station; in the third step, the rotating toggle assembly to toggle the mold on the heating station to the molding station; the molding station applies pressure to the heated mold to press the glass in the mold; in the fourth step, the rotating toggle assembly to toggle the mold on the molding station to the cooling station, and the upper and lower sides of the mold are pressed by the heat spreaders on the upper and lower sides of the cooling station and the mold is cooled to the set temperature; in the fifth step, the cooled mold is transferred to the loading platform of the mold conveying assembly by the rotating toggle assembly, and then the mold conveying assembly transports the mold to the outside of the sealed box. In this structure, by distributing the various workstations of the annular vacuum molding machine in a circular shape and shortening the total length of the molding machine, the spatial layout of the molding machine in the factory is easier, and the feed port and the discharge port overlap at the feed port, reducing the workstations and making the internal structure of the molding machine more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front view of the present invention; Figure 2 It is a three-dimensional diagram of the present invention after the upper part of the frame is disassembled; Figure 3It is a top view of the present invention after the upper part of the frame is disassembled; Figure 4 This is a three-dimensional diagram of the present invention after the entire frame and mold transport assembly are disassembled; Figure 5 It is a first-person perspective stereogram of the internal structure of the sealed box; Figure 6 It is a second-view stereogram of the internal structure of the sealed box; Figure 7 It is the structural diagram of the molding station; Figure 8 It is the structural diagram of the bridge assembly; Fig. 9 is a structural diagram of the rotary toggle assembly; Description of reference numerals: 1. Frame; 2. Sealed box; 201. Observation window; 202. Material port; 203. Transition plate; 3. Heating station; 204. Cavity; 4. Forming station; 401. Upper lifting module; 402, upper cover body; 403, upper heating block; 404, lower heating block; 405, lower sealing cover; 406, lower lifting module; 5, cooling station; 6, mold transport assembly; 7, mold; 8. Bridge assembly; 801. Rotating plate; 802. Rotating shaft; 803. Rotating cylinder; 9. Rotating and shifting assembly; 901. Rotating module; 902. Switching lever. DETAILED DESCRIPTION

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] like Figures 1 to 9 As shown, the annular vacuum molding machine of the present invention comprises a frame 1 and a sealed box 2 fixed inside the frame 1; a heating station 3, a molding station 4 and a cooling station 5 are arranged on the sealed box 2; the heating station 3, the molding station 4 and the cooling station 5 are distributed in a circle in the sealed box 2; a material port 202 is arranged at the bottom of the sealed box 2 between the heating station 3 and the cooling station 5; The frame 1 is provided with a mold conveying assembly 6 directly below the material port 202; a rotary toggle assembly 9 is provided inside the sealed box 2; the mold conveying assembly 6 is composed of a translation linear module, a lifting module and a loading platform; the lifting module is connected to the translation linear module; the loading platform is connected to the lifting module; The heating station 3 and the cooling station 5 both include a support plate fixed to the inner bottom wall of the sealed box body 2 and a lifting assembly arranged on the top of the sealed box body 2; the lifting assembly is connected to the support plate placed inside the sealed box body 2; the heat soaking plate on the cooling station 5 that is in direct contact with the mold 7 is connected to a pipeline, and a cooling liquid or cooling gas is passed through the corresponding pipeline of the cooling station 5, so that the temperature of the heat soaking plate of the cooling station 5 is reduced; the heating station 3 adopts an infrared heating tube for heating, so that the temperature of the mold 7 of the heating station 3 is increased, and contact heating can also be used, which is clamped on the upper and lower surfaces of the mold 7 after heating by the upper and lower pressing plates to heat the mold 7; the heating station 3 and the cooling station 5 are not essentially different from the prior art, so they are not described in detail; The loading platform is provided with the mold 7, and the translation linear module can move the lifting module, the loading platform and the mold 7 on the loading platform to below the material port 202 and move the lifting module, the loading platform and the mold 7 on the loading platform to the outside of the frame 1; the lifting module can lift the mold 7 on the loading platform from the material port 202 and enter into the sealed box 2, so that the mold at the material port 202 is on the same horizontal line as the molds 7 at other stations; Workflow: The first step is to place the mold 7 on the loading platform, and move the loading platform to the bottom of the material port 202 through the lifting module. The lifting module lifts the mold 7 on the loading platform so that the mold 7 enters the inside of the sealed box 2; In the second step, the rotating assembly 9 is used to move the mold 7 on the loading platform, and the mold 7 is transferred to the heating station 3, and the mold 7 is heated to a set temperature by the heating station 3; In the third step, the rotating assembly 9 is used to move the mold 7 on the heating station 3 to the molding station 4; the molding station 4 applies pressure to the heated mold 7 to mold the glass in the mold 7; In the fourth step, the rotating assembly 9 is used to move the mold 7 on the forming station 4 to the cooling station 5, and the upper and lower sides of the mold 7 are pressed by the heat sinks on the upper and lower sides of the cooling station 5 to cool the mold 7 to the set temperature; In the fifth step, the mold 7 after cooling is transferred to the loading platform of the mold conveying assembly 6 by rotating the toggle assembly 9 , and then the mold conveying assembly 6 transports the mold 7 to the outside of the sealed box 2 .

[0015] In this structure, by distributing the various workstations of the annular vacuum molding machine in a circular shape and shortening the total length of the molding machine, the spatial layout of the molding machine in the factory is easier, and the feed port and the discharge port overlap at the feed port 202, reducing the workstations and making the internal structure of the molding machine more compact.

[0016] As a preferred embodiment of the present invention, the molding station 4 includes an upper lifting module 401, an upper cover body 402, an upper heating block 403, a lower heating block 404, a lower sealing cover 405 and a lower lifting module 406; one end of the lower lifting module 406 and the lower sealing cover 405 are fixed to the bottom of the sealing box 2; one end of the upper lifting module 401 and the upper heating block 403 are fixed to the top of the sealing box 2; the upper cover body 402, the upper heating block 403, the lower heating block 404 and the lower sealing cover 405 are all arranged in the inner cavity of the sealing box 2; The upper heating block 403 is disposed in the inner cavity of the upper cover 402; the lower heating block 404 is disposed in the inner cavity of the lower sealing cover 405; The other end of the lower lifting module 406 extends into the lower sealing cover 405 and is fixedly connected to the lower heating block 404; the other end of the upper lifting module 401 is fixed on the upper cover body 402; A cavity 204 is provided on the top of the sealed box 2; the upper cover 402 is slidably connected to the inside of the cavity 204; and the inner wall of the upper cover 402 is sealed with the outer wall of the cavity 204, and the inner cavity of the upper cover 402 is connected with the inner cavity of the cavity 204; the upper cover 402 is opened downward, and the lower sealing cover 405 is opened upward, and the upper cover 402 and the lower sealing cover 405 form a sealed space with the cavity 204 after they are closed; a valve body is provided on the cavity 204, and the valve body is connected to the vacuum pumping device; The upper heating block 403 and the lower heating block 404 are essentially the same as those in the prior art, so they are not described in detail. The upper heating block 403 and the lower heating block 404 can keep the mold at a certain temperature, and the upper heating block 403 and the lower heating block 404 have strong pressure resistance. The upper lifting module 401 and the lower lifting module 406 are both linear modules, which are essentially the same as those in the prior art, so they are not described in detail. After the mold 7 is transferred to the surface of the lower heating block 404 by the rotating toggle assembly 9, the upper lifting module 401 drives the upper cover body 402 to move downward, so that the upper cover body 402 is closed on the lower sealing cover 405, and the mold 7, the upper heating block 403 and the lower heating block 404 are sealed through the sealed space formed by the upper cover body 402 and the lower sealing cover 405, and then the vacuum equipment discharges the air inside the upper cover body 402 and the lower sealing cover 405 to form a vacuum environment; the lower lifting module 406 drives the lower heating block 404 and the mold 7 to rise, and presses the mold 7 on the upper heating block 403 to form it.

[0017] As a preferred embodiment of the present invention, bridge components 8 are provided on both sides of the forming station 4; transition plates 203 are provided between the cooling station 5 and the material port 202 and between the heating station 3 and the material port 202; the bridge component 8 includes a rotating plate 801, a rotating shaft 802 and a rotating cylinder 803; one end of the rotating cylinder 803 is fixed in the sealing box 2; the other end of the rotating cylinder 803 is fixed to one end of the rotating shaft 802; the other end of the rotating shaft 802 is fixed to the rotating plate 801; the top surface of the rotating plate 801, the top surface of the transition plate 203 and the top surface of the lower heating block 404 are all placed on the same horizontal plane; Since the upper heating block 403 and the lower heating block 404 of the molding station 4 are covered with an isolation cavity formed by the upper cover body 402, the lower sealing cover 405 and the hollow cavity 204, the gap between the cooling station 5 and the molding station 4 and the gap between the heating station 3 and the molding station 4 is large, and the mold 7 needs to be ferried by the bridge assembly 8; when the upper cover body 402 and the lower sealing cover 405 are separated, The rotating plate 801 between the heating station 3 and the molding station 4 is attached to the heating station 3, and the rotating plate 801 between the cooling station 5 and the molding station 4 is attached to the molding station 4; the rotating toggle assembly 9 transfers the mold of the heating station 3 to the rotating plate 801 between the heating station 3 and the molding station 4, and at the same time, the rotating toggle assembly 9 transfers the mold 7 that has been molded on the molding station 4 to the rotating plate 801 between the molding station 4 and the cooling station 5; The rotating cylinder 803 between the heating station 3 and the molding station 4 drives the rotating shaft 802, the rotating plate 801 and the mold 7 to rotate, so that the heating station 3 and the molding station 4 are attached to the molding station 4, and the rotating cylinder 803 between the molding station 4 and the cooling station 5 drives the rotating shaft 802, the rotating plate 801 and the mold 7 to rotate, so that the rotating plate 801 between the molding station 4 and the cooling station 5 is attached to the cooling station 5; Finally, the rotating toggle assembly 9 transfers the mold 7 between the heating station 3 and the molding station 4 to the molding station 4 , and the rotating toggle assembly 9 transfers the mold 7 between the molding station 4 and the cooling station 5 to the cooling station 5 .

[0018] As a preferred embodiment of the present invention, the number of the heating stations 3 and the number of the cooling stations 5 are both at least two; the heating stations 3 are arranged between the molding station 4 and the material port 202; the cooling stations 5 are arranged between the material port 202 and the molding station 4; transition plates 203 are provided between adjacent cooling stations 5 and adjacent heating stations 3; the mold 7 is convenient for transferring and transitioning between adjacent heating stations 3 and adjacent cooling stations 5 when the rotating toggle assembly 9 is moved; a plurality of heating stations 3 are used to gradually heat up the mold 7, and a plurality of cooling stations 5 are also used to gradually cool down the mold.

[0019] As a preferred embodiment of the present invention, the number of the heating stations 3 and the number of the cooling stations 5 are both three.

[0020] As a preferred embodiment of the present invention, the rotating toggle assembly 9 includes a rotating module 901 and levers 902 evenly distributed on the rotating module 901; one end of the rotating module 901 is fixed on the sealed box body 2; one end of the lever 902 is fixed to the other end of the rotating module 901; a shape is provided on the lever 902 for positioning the mold 7, and the shape is essentially the same as that of the prior art, so it is not described in detail; the rotating module 901 is composed of a motor, a driving gear, a driven gear and a rotating barrel, and the lever 902 is fixed on the rotating barrel; the rotating barrel is rotatably connected to the sealed box body 2, and the motor drives the rotating barrel to rotate through the driving gear and the driven gear, so that each lever 902 rotates, and the rotation of the lever 902 is used to drive the mold 7 to move.

[0021] As a preferred embodiment of the present invention, an observation window 201 is provided on the sealed box body 2 .

[0022] The above description is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, characteristics and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A ring vacuum molding machine, characterized in that: The invention comprises a frame (1) and a sealed box (2) fixed inside the frame (1); a heating station (3), a molding station (4) and a cooling station (5) are arranged on the sealed box (2); the heating station (3), the molding station (4) and the cooling station (5) are distributed in a circular pattern inside the sealed box (2); a material port (202) is arranged at the bottom of the sealed box (2) between the heating station (3) and the cooling station (5); The frame (1) is provided with a mold conveying assembly (6) directly below the material inlet (202); a rotary toggle assembly (9) is provided inside the sealed box (2); the mold conveying assembly (6) is composed of a translation linear module, a lifting module and a loading platform; the lifting module is connected to the translation linear module; and the loading platform is connected to the lifting module.

2. The annular vacuum molding machine according to claim 1, characterized in that: The molding station (4) comprises an upper lifting module (401), an upper cover body (402), an upper heating block (403), a lower heating block (404), a lower sealing cover (405) and a lower lifting module (406); one end of the lower lifting module (406) and the lower sealing cover (405) are fixed to the bottom of the sealing box (2); one end of the upper lifting module (401) and the upper heating block (403) are fixed to the top of the sealing box (2); the upper cover body (402), the upper heating block (403), the lower heating block (404) and the lower sealing cover (405) are all arranged in the inner cavity of the sealing box (2); The upper heating block (403) is arranged in the inner cavity of the upper cover body (402); the lower heating block (404) is arranged in the inner cavity of the lower sealing cover (405); The other end of the lower lifting module (406) extends into the lower sealing cover (405) and is fixedly connected to the lower heating block (404); the other end of the upper lifting module (401) is fixed on the upper cover body (402).

3. The annular vacuum molding machine according to claim 2, characterized in that: Bridge components (8) are provided on both sides of the molding station (4); transition plates (203) are provided between the cooling station (5) and the material port (202) and between the heating station (3) and the material port (202); the bridge component (8) comprises a rotating plate (801), a rotating shaft (802) and a rotating cylinder (803); one end of the rotating cylinder (803) is fixed in the sealing box (2); the other end of the rotating cylinder (803) is fixed to one end of the rotating shaft (802); the other end of the rotating shaft (802) is fixed to the rotating plate (801); the top surface of the rotating plate (801), the top surface of the transition plate (203) and the top surface of the lower heating block (404) are all placed on the same horizontal plane.

4. The annular vacuum molding machine according to claim 1, characterized in that: The number of the heating stations (3) and the number of the cooling stations (5) are both at least two; the heating stations (3) are all arranged between the molding station (4) and the material port (202); and the cooling stations (5) are all arranged between the material port (202) and the molding station (4).

5. The annular vacuum molding machine according to claim 1, characterized in that: The number of the heating stations (3) and the number of the cooling stations (5) are both three.

6. The annular vacuum molding machine according to claim 1, characterized in that: The rotary toggle assembly (9) comprises a rotary module (901) and toggle rods (902) uniformly distributed on the rotary module (901); one end of the rotary module (901) is fixed on the sealed box body (2); and one end of the toggle rod (902) is fixed on the other end of the rotary module (901).

7. The annular vacuum molding machine according to claim 1, characterized in that: The sealed box body (2) is provided with an observation window (201).

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