Compression molding equipment for optical aspheric element

Abstract

The utility model relates to the technical field of compression molding, in particular to compression molding equipment for an optical aspheric element. The compression molding equipment for the optical aspheric element comprises a cabinet body, a second hydraulic cylinder is arranged at the bottom of the inner side wall of the cabinet body, a lifting disc is arranged at the top of the telescopic end of the second hydraulic cylinder, a square groove is formed in the top of the lifting disc, a square plate is inserted into the square groove, a lower mold is arranged at the top of the square plate, and the lower mold is connected with the lifting disc. An electric heating wire is arranged in the lower mold, and the left side and the right side of the lower mold are each provided with a set of handles. After the optical aspherical lens is cooled and formed, a first hydraulic rod drives an upper mold to move upwards to reset, a second hydraulic cylinder drives a lower mold to move downwards to be separated from a second limiting ring, a worker opens a cabinet door, a power control line of an electric heating wire is disconnected, and then the lower mold can be easily taken out through a handle. Therefore, the disassembly and assembly efficiency of the lower die is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of compression molding, in particular to compression molding equipment for optical aspheric elements. Background Art

[0002] Compression molding, also known as press molding or compression molding, is an operation in which powdered, granular or fibrous plastics are placed into a mold cavity at molding temperature, and then the mold is closed and pressurized to form and solidify it. Compression molding can be used for thermosetting plastics, thermoplastics and rubber materials.

[0003] The Chinese patent with the announcement number CN218053644U discloses a non-spherical optical lens molding machine, which can heat and pressurize the material by heating the lower mold after the upper mold enters the lower mold by arranging a heating device in the inner cavity of the machine, and is provided with a cooling device to quickly cool the lower mold, thereby improving the molding speed;

[0004] The above-mentioned existing technical solutions have the following defects: the upper mold and the lower mold are positioned by cooperating with each other through the mounting tube, flange, limit cylinder, mounting ring and connecting ring. After the aspheric optical lens is molded, a socket wrench is required to remove the limit cylinder, and then the lower mold can be pushed out of the machine from the bottom to the top. The entire disassembly and assembly process of the lower mold is relatively troublesome, which will reduce the convenience of use of the device. In view of the above situation, technical innovation is carried out on the basis of the existing optical aspheric element molding equipment. Utility Model Content

[0005] The utility model aims to provide an optical aspheric element molding device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an optical aspheric element molding device, comprising:

[0007] A cabinet body, a second hydraulic cylinder is arranged at the bottom of the inner side wall of the cabinet body, a lifting plate is arranged at the top of the telescopic end of the second hydraulic cylinder, a square groove is opened on the top of the lifting plate, a square plate is inserted in the square groove, a lower mold is arranged on the top of the square plate, an electric heating wire is arranged inside the lower mold, and a group of handles are arranged on the left and right sides of the lower mold, wherein:

[0008] Two groups of cabinet doors are connected with hinges on the front side of the cabinet body. Ventilation holes are opened on both sides of the left and right sides of the cabinet body. Cooling fans are arranged in the vents. A group of air ducts are arranged on both sides of the inner wall of the cabinet body. The air ducts are connected with the vents. The lower mold is located between the two groups of air ducts. Exhaust slots are evenly opened on the rear side of the cabinet body.

[0009] Preferably, a through hole is formed through the top of the cabinet, a second limiting ring is arranged in the through hole, a first limiting ring is arranged on the top of the second limiting ring, and the first limiting ring is arranged on the top of the cabinet.

[0010] Preferably, the second limiting ring is located on the outer ring of the lower mold, and the top of the lower mold fits with the bottom of the first limiting ring.

[0011] Preferably, a support frame is provided on the top of the cabinet, a first hydraulic rod is provided on the top of the support frame, and an escape opening is opened through the top of the support frame.

[0012] Preferably, the telescopic end of the first hydraulic rod is located in the avoidance opening, and an upper mold is provided at the bottom of the telescopic end of the first hydraulic rod.

[0013] Preferably, the upper mold is located above the first limiting ring, and the upper mold corresponds to the lower mold.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model draws external air into the air duct through the heat dissipation fan, and guides the external air to the lower mold through the air duct, so that the lower mold can be cooled quickly, thereby increasing the cooling and molding speed of the optical aspherical lens, thereby improving production efficiency;

[0016] After the optical aspheric lens is cooled and formed, the first hydraulic rod drives the upper mold to move upward and reset, and the second hydraulic cylinder drives the lower mold to move downward and separate from the second limit ring. The worker then opens the cabinet door, disconnects the power control line of the electric heating wire, and then can easily take out the lower mold through the handle, thereby improving the efficiency of disassembly and assembly of the lower mold, and thus improving the ease of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an optical aspheric element molding device of the utility model;

[0018] Figure 2 This is a front cross-sectional view of an optical aspheric element molding device of the utility model;

[0019] Figure 3 For this utility model Figure 2 Enlarged view of part A.

[0020] In the figure: 1. cabinet body; 11. cabinet door; 12. cooling fan; 121. air duct; 122. exhaust slot; 2. support frame; 21. first hydraulic rod; 22. upper mold; 3. first limiting ring; 31. second limiting ring; 4. second hydraulic cylinder; 41. lifting plate; 42. square plate; 43. handle; 5. lower mold; 51. electric heating wire. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 3 , an optical aspheric element molding device, comprising a cabinet 1, a second hydraulic cylinder 4 is fixedly arranged at the bottom of the inner side wall of the cabinet 1, a lifting plate 41 is fixedly arranged on the top of the telescopic end of the second hydraulic cylinder 4, a square groove is opened on the top of the lifting plate 41, a square plate 42 is inserted in the square groove, a lower mold 5 is fixedly arranged on the top of the square plate 42, an electric heating wire 51 is fixedly arranged inside the lower mold 5, and a group of handles 43 are fixedly arranged on the left and right sides of the lower mold 5, powder, granular or fibrous plastic is loaded into the lower mold 5, and the lower mold 5 is moved upward by the second hydraulic cylinder 4 The cabinet 1 is movable, and two groups of cabinet doors 11 are connected with hinges on the front side. Ventilation holes are penetrated on the left and right sides of the cabinet 1, and cooling fans 12 are fixedly arranged in the ventilating holes. A group of air ducts 121 are fixedly arranged on the left and right sides of the inner wall of the cabinet 1, and the air ducts 121 are connected with the ventilating holes. The lower mold 5 is located between the two groups of air ducts 121, and exhaust slots 122 are evenly penetrated on the back side of the cabinet 1. External air is drawn into the air duct 121 through the cooling fan 12, and the external air is guided to the lower mold 5 through the air duct 121, so that the lower mold 5 can be cooled quickly.

[0023] A through hole is provided on the top of the cabinet 1, in which a second limiting ring 31 is fixedly arranged, a first limiting ring 3 is fixedly arranged on the top of the second limiting ring 31, the first limiting ring 3 is fixedly arranged on the top of the cabinet 1, the second limiting ring 31 is located at the outer ring of the lower mold 5, the top of the lower mold 5 fits with the bottom of the first limiting ring 3, a support frame 2 is fixedly provided on the top of the cabinet 1, a first hydraulic rod 21 is fixedly provided on the top of the support frame 2, a avoidance opening is provided on the top of the support frame 2, the telescopic end of the first hydraulic rod 21 is located in the avoidance opening, an upper mold 22 is fixedly arranged on the bottom of the telescopic end of the first hydraulic rod 21, the upper mold 22 is located above the first limiting ring 3, the upper mold 22 corresponds to the lower mold 5, and the accuracy and stability of the upper mold 22 and the lower mold 5 when the mold is closed are guaranteed by the mutual cooperation of the first limiting ring 3 and the second limiting ring 31.

[0024] Working principle: put powdered, granular or fibrous plastic into the lower mold 5, and after the electric heating wire 51 is energized, the material in the lower mold 5 is heated by the electric heating wire 51. At this time, the lower mold 5 is driven by the second hydraulic cylinder 4 to move upward and contact with the first limit ring 3, and then the first hydraulic rod 21 drives the upper mold 22 to move downward and close the mold with the lower mold 5, so that the material in the lower mold 5 is pressurized into an optical aspheric lens, and then the external air is drawn into the air duct 121 through the cooling fan 12, and the external air is guided to the lower mold 5 through the air duct 121, so that the lower mold 5 can be quickly cooled. After the optical aspheric lens is cooled and formed, the first hydraulic rod 21 drives the upper mold 22 to move upward and reset, and the second hydraulic cylinder 4 drives the lower mold 5 to move downward and separate from the second limit ring 31. The worker opens the cabinet door 11, disconnects the power control line of the electric heating wire 51, and then the lower mold 5 can be easily taken out through the handle 43.

Claims

1. An optical aspheric element molding device, characterized in that: include: A cabinet (1), wherein a second hydraulic cylinder (4) is arranged at the bottom of the inner wall of the cabinet (1), a lifting plate (41) is arranged at the top of the telescopic end of the second hydraulic cylinder (4), a square groove is opened at the top of the lifting plate (41), a square plate (42) is inserted in the square groove, a lower mold (5) is arranged at the top of the square plate (42), an electric heating wire (51) is arranged inside the lower mold (5), and a group of handles (43) are arranged on both sides of the left and right sides of the lower mold (5), wherein: The front side of the cabinet body (1) is connected with two groups of cabinet doors (11) via hinges; ventilation holes are provided on both left and right sides of the cabinet body (1); cooling fans (12) are arranged in the ventilation holes; a group of air ducts (121) are provided on both left and right sides of the inner wall of the cabinet body (1); the air ducts (121) are connected with the ventilation holes; the lower mold (5) is located between the two groups of air ducts (121); and exhaust slots (122) are evenly provided on the rear side of the cabinet body (1).

2. The optical aspheric element molding device according to claim 1, characterized in that: A through hole is provided through the top of the cabinet (1), a second limiting ring (31) is arranged in the through hole, a first limiting ring (3) is arranged on the top of the second limiting ring (31), and the first limiting ring (3) is arranged on the top of the cabinet (1).

3. The optical aspheric element molding device according to claim 2, characterized in that: The second limiting ring (31) is located on the outer ring of the lower mold (5), and the top of the lower mold (5) fits with the bottom of the first limiting ring (3).

4. The optical aspheric element molding device according to claim 3, characterized in that: A support frame (2) is arranged on the top of the cabinet (1), a first hydraulic rod (21) is arranged on the top of the support frame (2), and an escape opening is opened through the top of the support frame (2).

5. The optical aspheric element molding device according to claim 4, characterized in that: The telescopic end of the first hydraulic rod (21) is located in the avoidance opening, and an upper mold (22) is provided at the bottom of the telescopic end of the first hydraulic rod (21).

6. The optical aspheric element molding device according to claim 5, characterized in that: The upper mold (22) is located above the first limiting ring (3), and the upper mold (22) corresponds to the lower mold (5).

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