Demolding device of optical lens injection mold for digital lens production
By introducing a semicircular sealing gasket and a bidirectional screw structure into the optical lens injection mold, the problem of poor sealing between the upper mold and the lower mold is solved, and efficient demolding and rapid removal of the optical lens are achieved.
Patent Information
- Application Number
- CN202422631196.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The existing demolding device of the optical lens injection mold used in digital lens production has poor sealing between the upper mold and the lower mold. External moisture may enter the injection and demolding space, affecting the injection and demolding effect of the optical lens.
A semicircular sealing gasket and bidirectional screw structure are adopted. The motor drives the bidirectional screw to drive the movable plate and the sealing gasket closer to achieve sealing between the upper mold and the lower mold. The limit rod and support block are combined to stabilize the movement of the movable plate, and rubber pads are used to improve sealing.
The sealing performance of the optical lens during injection molding and demoulding is improved, which prevents the entry of external moisture, improves the injection molding and demoulding effect, and facilitates the rapid removal of the optical lens.
Smart Images

Figure CN223302126U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lens injection molding, in particular to a demoulding device of an optical lens injection mold for producing digital lenses. Background Art
[0002] The lens is the eye of a digital camera and an important part of a digital camera. The lens is generally composed of multiple groups of optical lenses. In the production process of some optical lenses, injection molds are used to produce the optical lenses. First, the raw materials are injected into the mold, and then the optical lenses are demolded after they are formed.
[0003] After searching, the release number CN219213986U is a demolding device for an optical lens injection mold for digital lens production, which includes a workbench, a lower mold is provided in the middle of the rear end of the upper surface of the workbench, an upper mold is provided on the upper surface of the lower mold, and a connecting frame is fixedly connected to both sides of the rear end of the upper surface of the workbench, a first electric telescopic rod is fixedly connected to the middle of the lower surface of the connecting frame, a suction cup is fixedly connected to the output end of the first electric telescopic rod, and a mounting block is fixedly connected to the middle of the front end of the upper surface of the workbench.
[0004] However, the existing demolding device of the optical lens injection mold for digital lens production has certain disadvantages when used. Although the device can use the upper mold and the lower mold to injection-mold the optical lens, the sealing between the upper mold and the lower mold is poor, and the joint between the upper mold and the lower mold cannot be effectively sealed, so that external water vapor may enter the injection-mold demolding space, making it difficult to improve the injection-mold demolding effect of the optical lens. Utility Model Content
[0005] In view of the above-mentioned problems existing in the demoulding device of the existing optical lens injection mold for digital lens production, the present utility model is proposed.
[0006] Therefore, the purpose of the present utility model is to provide a demolding device for an optical lens injection mold for digital lens production, which solves the problem that although the device can use the upper mold and the lower mold to perform injection molding and demolding on the optical lens, the sealing between the upper mold and the lower mold is poor, and the joint between the upper mold and the lower mold cannot be effectively sealed, so that external water vapor may enter the injection molding and demolding space, and it is difficult to improve the injection molding and demolding effect of the optical lens.
[0007] In order to achieve the above purpose, the present invention provides the following technical solutions:
[0008] A demolding device for an optical lens injection mold for digital lens production comprises a fixed box and two semicircular sealing gaskets, an electric push rod fixedly provided on the top inner wall of the fixed box, an output shaft of the electric push rod fixedly provided with a hemispherical upper mold, a hemispherical lower mold fitted on the bottom of the hemispherical upper mold, a bidirectional screw rod rotatably provided on the inner wall of the fixed box, a motor fixedly provided on the side wall of the fixed box, one end of the bidirectional screw rod passes through the fixed box and is fixedly connected to the output shaft of the motor, two movable plates are threadedly sleeved on the rod wall of the bidirectional screw rod, the two semicircular sealing gaskets are respectively fixedly provided on the side walls of the corresponding movable plates, and the two semicircular sealing gaskets are both fitted on the side walls of the hemispherical upper mold and the hemispherical lower mold.
[0009] Preferably, a hemispherical material box is placed on the inner wall of the hemispherical lower mold, and two bolts are movably sleeved inside the hemispherical material box, and the other end of each of the bolts is threadedly sleeved inside the hemispherical lower mold.
[0010] Preferably, a limiting rod is fixedly provided on the inner wall of the fixed box, and the two movable plates are movably sleeved on the rod wall of the limiting rod.
[0011] Preferably, a support block is fixedly provided on the inner wall of the bottom of the fixed box, and the support block is fixedly connected to the hemispherical lower mold.
[0012] Preferably, two pull rings are fixedly provided on the top of the hemispherical material box, and each of the pull rings is a heat-insulating ring.
[0013] Preferably, the two semicircular sealing pads are both rubber pads.
[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0015] 1. The utility model places the optical lens inside the hemispherical lower mold by setting two semicircular sealing gaskets and a bidirectional screw rod, resets the hemispherical upper mold, and starts the motor to drive the bidirectional screw rod to drive the two movable plates and the two semicircular sealing gaskets to move closer to each other, so that the two semicircular sealing gaskets can seal the joint of the hemispherical upper mold and the hemispherical lower mold, thereby improving the sealing of the optical lens during injection molding and demolding, preventing external water vapor from entering the injection molding and demolding space, thereby improving the injection molding and demolding effect of the optical lens.
[0016] 2. The utility model places the hemispherical material box on the inner wall of the hemispherical lower mold by setting a hemispherical material box and two bolts. The two bolts are turned to stably set the hemispherical material box inside the hemispherical lower mold. After the optical lens is injection-molded and demolded, the two bolts are turned in the opposite direction to release the limit on the hemispherical material box, making it convenient for the user to quickly take out the optical lens after injection molding and demolding.
[0017] 3. The utility model sets a limit rod, which is fixed to the inner wall of the fixed box, and the two movable plates are movably connected to the rod wall of the limit rod, thereby limiting the movement of the two movable plates and ensuring that the two movable plates can move stably. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0019] Figure 1 This is the main view of the utility model;
[0020] Figure 2 For the utility model Figure 1 Schematic diagram of the cross-sectional structure;
[0021] Figure 3 For the utility model Figure 2 A magnified view of part A;
[0022] Figure 4 For the utility model Figure 3 Schematic diagram of the three-dimensional structure of the semicircular sealing gasket.
[0023] Description of reference numerals:
[0024] 1. Fixed box; 2. Semicircular sealing gasket; 3. Electric push rod; 4. Hemispherical upper mold; 5. Hemispherical lower mold; 6. Bidirectional screw; 7. Motor; 8. Moving plate; 9. Hemispherical material box; 10. Bolt; 11. Limit rod; 12. Support block; 13. Pull ring. DETAILED DESCRIPTION
[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.
[0026] The embodiment of the utility model discloses a demoulding device of an optical lens injection mold for producing a digital lens.
[0027] The utility model provides Figures 1-4The demolding device of an optical lens injection mold for digital lens production shown in the figure includes a fixed box 1 and two semicircular sealing gaskets 2. An electric push rod 3 is fixedly provided on the top inner wall of the fixed box 1. The output shaft of the electric push rod 3 is fixedly provided with a hemispherical upper mold 4. The bottom of the hemispherical upper mold 4 is fitted with a hemispherical lower mold 5. A bidirectional screw rod 6 is rotatably provided on the inner wall of the fixed box 1. A motor 7 is fixedly provided on the side wall of the fixed box 1. One end of the bidirectional screw rod 6 passes through the fixed box 1 and is fixedly connected to the output shaft of the motor 7. Two movable plates 8 are threadedly sleeved on the rod wall of the bidirectional screw rod 6. The two semicircular sealing gaskets 2 are fixedly provided on the corresponding The side wall of the movable plate 8 and the two semicircular sealing gaskets 2 are both fitted on the side walls of the hemispherical upper mold 4 and the hemispherical lower mold 5. By utilizing the two semicircular sealing gaskets 2 and the bidirectional screw 6, the starting motor 7 can drive the bidirectional screw 6 to rotate. When the bidirectional screw 6 rotates, it can drive the two movable plates 8 and the two semicircular sealing gaskets 2 to move closer to each other, and then the two semicircular sealing gaskets 2 can seal the joint of the hemispherical upper mold 4 and the hemispherical lower mold 5, thereby improving the sealing of the optical lens during injection molding and demolding, preventing external water vapor from entering the injection molding and demolding space, thereby improving the injection molding and demolding effect of the optical lens.
[0028] In order to release the limit of the hemispherical material box 9, and thus facilitate the user to quickly take out the optical lens after injection molding, as shown in FIG. Figure 1-Figure 3 As shown, a hemispherical material box 9 is placed on the inner wall of the hemispherical lower mold 5, and two bolts 10 are movably sleeved inside the hemispherical material box 9. The other end of each bolt 10 is threadedly sleeved inside the hemispherical lower mold 5. By utilizing the set hemispherical material box 9 and the two bolts 10, the limit on the hemispherical material box 9 can be released, making it convenient for users to quickly remove the optical lens after injection molding.
[0029] In order to limit the movement of the two moving plates 8 and ensure that the two moving plates 8 can move stably, as shown in FIG. Figure 1-Figure 3 As shown, a limiting rod 11 is fixedly provided on the inner wall of the fixed box 1, and the two movable plates 8 are movably connected to the rod wall of the limiting rod 11. The limiting rod 11 is used to limit the movement of the two movable plates 8, thereby ensuring that the two movable plates 8 can move stably.
[0030] In order to support the hemispherical lower mold 5 and ensure that the hemispherical lower mold 5 can be used stably, Figure 1-Figure 3 As shown, a support block 12 is fixedly provided on the bottom inner wall of the fixed box 1, and the support block 12 is fixedly connected to the hemispherical lower mold 5. The provided support block 12 can support the hemispherical lower mold 5, thereby ensuring that the hemispherical lower mold 5 can be used stably.
[0031] In order to facilitate the user to take out the hemispherical material box 9 and prevent the pull ring from scalding the user, Figure 2-Figure 3 As shown, two pull rings 13 are fixedly provided on the top of the hemispherical material box 9. Each pull ring 13 is a heat-insulating ring. The pull rings 13 can be used to facilitate the user to take out the hemispherical material box 9 and prevent the pull rings from scalding the user.
[0032] Finally, in order to ensure that the two semicircular sealing pads 2 have a high sealing ability, as shown in FIG. Figure 3-Figure 4 As shown, the two semicircular sealing pads 2 are both rubber pads, thereby ensuring that the two semicircular sealing pads 2 can have a higher sealing ability.
[0033] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A demoulding device for an optical lens injection mold for digital lens production, comprising a fixing box (1) and two semicircular sealing gaskets (2), characterized in that: An electric push rod (3) is fixedly provided on the top inner wall of the fixed box (1), an output shaft of the electric push rod (3) is fixedly provided with a hemispherical upper mold (4), a hemispherical lower mold (5) is fitted on the bottom of the hemispherical upper mold (4), a bidirectional screw rod (6) is rotatably provided on the inner wall of the fixed box (1), a motor (7) is fixedly provided on the side wall of the fixed box (1), one end of the bidirectional screw rod (6) passes through the fixed box (1) and is fixedly connected to the output shaft of the motor (7), two movable plates (8) are threadedly sleeved on the rod wall of the bidirectional screw rod (6), two semicircular sealing gaskets (2) are respectively fixedly provided on the side walls of the corresponding movable plates (8), and the two semicircular sealing gaskets (2) are both fitted on the side walls of the hemispherical upper mold (4) and the hemispherical lower mold (5).
2. The demoulding device of an optical lens injection mold for digital lens production according to claim 1, characterized in that: A hemispherical material box (9) is placed on the inner wall of the hemispherical lower mold (5), and two bolts (10) are movably sleeved inside the hemispherical material box (9), and the other end of each of the bolts (10) is threadedly sleeved inside the hemispherical lower mold (5).
3. The demoulding device of the optical lens injection mold for digital lens production according to claim 1, characterized in that: A limiting rod (11) is fixedly provided on the inner wall of the fixed box (1), and the two movable plates (8) are both movably sleeved on the rod wall of the limiting rod (11).
4. The demoulding device of the optical lens injection mold for digital lens production according to claim 1, characterized in that: A support block (12) is fixedly provided on the inner wall of the bottom of the fixed box (1), and the support block (12) is fixedly connected to the hemispherical lower mold (5).
5. The demoulding device of the optical lens injection mold for digital lens production according to claim 2, characterized in that: Two pull rings (13) are fixedly provided on the top of the hemispherical material box (9), and each of the pull rings (13) is a heat-insulating ring.
6. The demoulding device of an optical lens injection mold for digital lens production according to claim 1, characterized in that: The two semicircular sealing pads (2) are both rubber pads.
Citation Information
Patent Citations
Demolding device of optical lens injection mold for digital lens production
CN219213986U