Demolding device of optical lens injection mold

Abstract

The utility model provides a demolding device of an optical lens injection mold, and relates to the technical field of lens production. The demolding device of the optical lens injection mold comprises a base, a U-shaped frame is fixedly installed at the top of the base, a plurality of fixing assemblies are arranged at the top of the base, a lower mold is placed at the top of the base and arranged among the fixing assemblies, and an upper mold is arranged at the top of the lower mold. According to the demolding device of the optical lens injection mold, a first forward and reverse motor drives one chain wheel to rotate, and then a chain drives the other chain wheel to rotate, so that two lead screws are driven to rotate, two moving frames drive an upper mold to move upwards, and then two second forward and reverse motors are started to drive a first gear to rotate; and then the first rack is driven to move in an engaged mode, so that the upper mold is driven to leave the top of the lower mold, people do not need to take down and place the upper mold manually, the device is more convenient to operate, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to a demoulding device, in particular to a demoulding device for an optical lens injection mold, and belongs to the technical field of lens production. 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] The present disclosure discloses a demoulding device for an optical lens injection mold for producing digital lenses, the demoulding device comprising a workbench, a lower mold being arranged in the middle of the upper surface of the workbench, an upper mold being arranged above the lower mold, slots being arranged on both sides of the lower mold, fixed blocks being welded to the upper surfaces of both sides of the workbench, and screws being threadedly connected to the fixed blocks.

[0004] Although there are many benefits in the above scheme, there are also the following defects: each time the optical lens formed in the upper mold and the lower mold is demolded, the upper mold needs to be manually removed from the top of the lower mold, which is troublesome during use, affects the use effect of the device, and reduces the practicality of the device. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the utility model is to provide a demoulding device for an optical lens injection mold in order to solve the above-mentioned problem, so as to solve the problem in the prior art that each time the molded optical lens is demoulded, the upper mold needs to be manually disassembled from the lower mold, which is troublesome to use, affects the use effect of the device, and reduces the practicability of the device.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a demolding device of an optical lens injection mold comprises a base, a U-shaped frame is fixedly installed on the top of the base, a plurality of fixed components are fixedly installed on the top of the base, a lower mold is placed on the top of the base, the lower mold is arranged between the plurality of fixed components, an upper mold is arranged on the top of the lower mold, a feed port is fixedly installed on the top of the upper mold, a moving structure is arranged between the base and the U-shaped frame, the moving structure comprises two screw rods, both of which are rotatably installed between the base and the U-shaped frame, the outer side of the screw rod is connected to the moving frame through a nut pair, one end of the screw rod passes through the base and a sprocket is fixedly installed, the outer sides of the two sprockets are sleeved with chains, and the two sprockets are connected through chain transmission.

[0009] Preferably, four guide rods are fixedly installed between the base and the U-shaped frame, and the four guide rods are grouped in pairs. The two groups of guide rods respectively penetrate the two mobile frames and are in sliding contact with the two mobile frames respectively. The set guide rods can guide and limit the moving position of the mobile frame to ensure that it will not deviate during movement.

[0010] Preferably, a fixing frame is fixedly mounted on one side of the base, a first forward and reverse motor is fixedly mounted on one side of the fixing frame, and an output end of the first forward and reverse motor passes through the fixing frame and is fixedly connected to one of the sprockets.

[0011] Preferably, a No. 1 gear is rotatably installed on the inner side of the moving frame, and a No. 1 rack is meshedly connected to the outer side of the No. 1 gear, and the No. 1 rack is arranged on the inner side of the moving frame and is in sliding contact with the moving frame, and a limiting slide is fixedly installed on the bottom of the No. 1 rack, and the limiting slide is slidably installed on the inner side of the moving frame, and a second forward and reverse motor is fixedly installed on the top of the moving frame, and the output end of the second forward and reverse motor passes through the moving frame and is fixedly connected to the No. 1 gear. The limiting slide can limit the No. 1 rack to prevent the No. 1 rack from moving outward and causing the meshing between the No. 1 rack and the No. 1 gear to be cancelled.

[0012] Preferably, an electric telescopic rod is fixedly installed on the top of the U-shaped frame, one end of the electric telescopic rod passes through the U-shaped frame and is fixedly installed with a suction cup, a vacuum pump is fixedly installed on the top of the U-shaped frame, one end of the vacuum pump is fixedly installed with a corrugated hose, one end of the corrugated hose is fixedly connected to the suction cup, and the arranged corrugated hose can perform corresponding extension and contraction when the suction cup moves downward through the effect of the electric telescopic rod.

[0013] Preferably, a disassembly and assembly structure is provided between the two No. 1 racks and the upper mold, and the disassembly and assembly structure includes four fixed blocks, and the four fixed blocks are respectively fixedly installed on one side of the two No. 1 racks, and a limiting frame is fixedly installed on both sides of the upper mold, and a No. 2 gear is rotatably installed on the inner side of the limiting frame, and a connecting shaft is rotatably installed on the inner side of the upper mold, and the two No. 2 gears are fixedly connected by a connecting shaft, and the outer side of the No. 2 gear is meshedly connected with two No. 2 racks, and the two No. 2 racks are arranged inside the limiting frame and in sliding contact with the limiting frame, and the four fixed blocks are provided with square slots, and the four No. 2 racks are matched with the four square slots respectively.

[0014] Preferably, one end of one of the No. 2 gears passes through one of the limit frames and is fixedly mounted with a worm wheel, one side of one of the limit frames is fixedly mounted with two fixed seats, a worm is rotatably mounted between the two fixed seats, the worm wheel and the worm are meshingly connected, and one end of the worm passes through one of the fixed seats and is fixedly mounted with a knob.

[0015] The utility model provides a demoulding device for an optical lens injection mold, which has the following beneficial effects:

[0016] 1. The demoulding device of the optical lens injection mold drives one of the sprockets to rotate through the first forward and reverse motor, and then drives the other sprocket to rotate through the chain, thereby driving the two lead screws to rotate, so that the two moving frames drive the upper mold to move upward, and then start the two second forward and reverse motors to drive the No. 1 gear to rotate, and then drive the No. 1 rack to mesh and move, thereby driving the upper mold to leave the top of the lower mold, without people manually removing and placing the upper mold, making the device more convenient to operate and improving the practicability of the device.

[0017] 2. The demoulding device of the optical lens injection mold drives the worm to rotate by turning the knob, which drives the meshing rotation, so that one of the No. 2 gears rotates accordingly, and then drives another No. 2 gear to rotate through the connecting shaft to drive the four No. 2 racks to mesh and move respectively, and move out of the square slots of the four fixed blocks, thereby canceling the fixation of the upper mold, and it can be removed for replacement. It is simple and easy to use and improves the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the mobile structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the disassembly and assembly structure of the utility model;

[0021] Figure 4 For this utility model Figure 3 A-section structure enlarged view.

[0022]

Main component symbol description

[0023] 1. Base; 2. U-shaped frame; 3. Lower mold; 4. Fixed assembly; 5. Upper mold; 6. Feed inlet; 7. Electric telescopic rod; 8. Suction cup; 9. Vacuum pump; 10. Corrugated hose; 11. Screw rod; 12. Guide rod; 13. Moving frame; 14. Sprocket; 15. Chain; 16. Fixed frame; 17. First forward and reverse motor; 18. No. 1 gear; 19. No. 1 rack; 191. Limit slide plate; 20. Second forward and reverse motor; 21. Limit frame; 22. No. 2 gear; 23. No. 2 rack; 24. Worm gear; 25. Fixed seat; 26. Worm; 27. Knob; 28. Fixed block. DETAILED DESCRIPTION

[0024] The embodiment of the utility model provides a demoulding device for an optical lens injection mold.

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a base 1, a U-shaped frame 2 is fixedly installed on the top of the base 1, a plurality of fixed components 4 are fixedly installed on the top of the base 1, a lower mold 3 is placed on the top of the base 1, the lower mold 3 is arranged between the plurality of fixed components 4, an upper mold 5 is arranged on the top of the lower mold 3, a feed port 6 is fixedly installed on the top of the upper mold 5, a moving structure is arranged between the base 1 and the U-shaped frame 2, the moving structure includes two screw rods 11, the two screw rods 11 are rotatably installed between the base 1 and the U-shaped frame 2, the outer side of the screw rod 11 is connected to the moving frame 13 through a nut pair, one end of the screw rod 11 passes through the base 1 and is fixedly installed with a sprocket 14, the outer sides of the two sprockets 14 are sleeved with chains 15, and the two sprockets 14 are connected through the chain 15.

[0026] As for the structural technology of the fixing component 4, the specific structure of a demoulding device of an optical lens injection mold for digital lens production with publication number CN210525750U is adopted.

[0027] In this embodiment, four guide rods 12 are fixedly installed between the base 1 and the U-shaped frame 2. The four guide rods 12 form a group of two, and the two groups of guide rods 12 respectively penetrate the two moving frames 13 and are in sliding contact with the two moving frames 13 respectively.

[0028] In this embodiment, a fixing frame 16 is fixedly mounted on one side of the base 1 , a first forward and reverse motor 17 is fixedly mounted on one side of the fixing frame 16 , and an output end of the first forward and reverse motor 17 passes through the fixing frame 16 and is fixedly connected to one of the sprockets 14 .

[0029] In this embodiment, a gear No. 18 is rotatably installed on the inner side of the moving frame 13, and a rack No. 19 is meshingly connected to the outer side of the gear No. 18. The rack No. 19 is arranged on the inner side of the moving frame 13 and is in sliding contact with the moving frame 13. A limiting slide 191 is fixedly installed on the bottom of the rack No. 19, and the limiting slide 191 is slidably installed on the inner side of the moving frame 13. A second forward and reverse motor 20 is fixedly installed on the top of the moving frame 13, and the output end of the second forward and reverse motor 20 passes through the moving frame 13 and is fixedly connected to the gear No. 18.

[0030] In this embodiment, an electric telescopic rod 7 is fixedly installed on the top of the U-shaped frame 2, one end of the electric telescopic rod 7 passes through the U-shaped frame 2 and is fixedly installed with a suction cup 8, a vacuum pump 9 is fixedly installed on the top of the U-shaped frame 2, one end of the vacuum pump 9 is fixedly installed with a corrugated hose 10, and one end of the corrugated hose 10 is fixedly connected to the suction cup 8.

[0031] In this embodiment, a disassembly and assembly structure is provided between the two No. 1 racks 19 and the upper mold 5, and the disassembly and assembly structure includes four fixed blocks 28, and the four fixed blocks 28 are respectively fixedly installed on one side of the two No. 1 racks 19, and the limiting frames 21 are fixedly installed on both sides of the upper mold 5. A No. 2 gear 22 is rotatably installed on the inner side of the limiting frame 21, and a connecting shaft is rotatably installed on the inner side of the upper mold 5. The two No. 2 gears 22 are fixedly connected by the connecting shaft, and the outer side of the No. 2 gear 22 is meshingly connected with two No. 2 racks 23. The two No. 2 racks 23 are both arranged inside the limiting frame 21 and in sliding contact with the limiting frame 21. The four fixed blocks 28 are all provided with square slots, and the four No. 2 racks 23 are respectively matched with the four square slots.

[0032] In this embodiment, one end of one of the No. 2 gears 22 passes through one of the limit frames 21 and is fixedly mounted with a worm wheel 24, one side of one of the limit frames 21 is fixedly mounted with two fixed seats 25, a worm 26 is rotatably mounted between the two fixed seats 25, the worm wheel 24 and the worm 26 are meshingly connected, and one end of the worm 26 passes through one of the fixed seats 25 and is fixedly mounted with a knob 27.

[0033] It should be noted that the utility model is a demoulding device for an optical lens injection mold. When in use, the raw material is injected into the lower mold 3 and the upper mold 5 through the feed port 6. When the raw material is formed, the first forward and reverse motor 17 is started. The model of the first forward and reverse motor 17 is not described in detail. The adapter device shall prevail. The first forward and reverse motor 17 will drive one of the sprockets 14 to rotate, and then drive the other sprocket 14 to rotate through the chain 15, thereby driving the two screw rods 11 to rotate, so that the two moving frames 13 drive the upper mold 5 to move upward, and then start the two second forward and reverse motors 20. The model of the second forward and reverse motor 20 is not described in detail. The adapter device shall prevail. The second forward and reverse motor 20 will drive the No. 1 gear 18 to rotate, and then drive the No. 1 rack 19 to mesh and move, thereby driving the upper mold 5 to leave the top of the lower mold 3, without people manually removing and placing the upper mold 5, making the device more convenient to operate and improving the practicality of the device;

[0034] When the upper mold 5 is moved, the electric telescopic rod 7 is started to drive the suction cup 8 to move downward to contact the lens formed inside the lower mold 3, and then the lens is adsorbed on the suction cup 8 by the vacuum pump 9 to take out the lens;

[0035] When it is necessary to replace a mold of a different style, the lower mold 3 is disassembled and replaced through the fixing component 4, and then the knob 27 is turned to drive the worm 26 to rotate, to drive the meshing rotation, so that one of the No. 2 gears 22 rotates accordingly, and then the other No. 2 gear 22 is driven to rotate through the connecting shaft to drive the four No. 2 racks 23 to mesh and move respectively, and move out of the square slots of the four fixing blocks 28, thereby canceling the fixation of the upper mold 5, and it can be removed for replacement. It is simple and easy to use and easy to operate, which improves the use effect of the device.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A demoulding device for an optical lens injection mold, comprising a base (1), characterized in that: A U-shaped frame (2) is fixedly mounted on the top of the base (1), a plurality of fixed components (4) are fixedly mounted on the top of the base (1), a lower mold (3) is placed on the top of the base (1), the lower mold (3) is arranged between the plurality of fixed components (4), an upper mold (5) is arranged on the top of the lower mold (3), a feed port (6) is fixedly mounted on the top of the upper mold (5), a moving structure is arranged between the base (1) and the U-shaped frame (2), the moving structure comprises two screw rods (11), the two screw rods (11) are rotatably mounted between the base (1) and the U-shaped frame (2), the outer side of the screw rod (11) is connected to the moving frame (13) via a nut pair, one end of the screw rod (11) passes through the base (1) and a sprocket (14) is fixedly mounted thereon, the outer sides of the two sprockets (14) are sleeved with chains (15), and the two sprockets (14) are connected in transmission via the chain (15).

2. The demoulding device of the optical lens injection mold according to claim 1, characterized in that: Four guide rods (12) are fixedly installed between the base (1) and the U-shaped frame (2), and the four guide rods (12) are grouped in pairs. Two groups of guide rods (12) respectively penetrate two moving frames (13) and are in sliding contact with the two moving frames (13).

3. The demoulding device of the optical lens injection mold according to claim 1, characterized in that: A fixing frame (16) is fixedly mounted on one side of the base (1), a first forward and reverse motor (17) is fixedly mounted on one side of the fixing frame (16), and an output end of the first forward and reverse motor (17) passes through the fixing frame (16) and is fixedly connected to one of the sprockets (14).

4. The demoulding device of the optical lens injection mold according to claim 1, characterized in that: A first gear (18) is rotatably mounted on the inner side of the moving frame (13); a first rack (19) is meshedly connected to the outer side of the first gear (18); the first rack (19) is arranged on the inner side of the moving frame (13) and is in sliding contact with the moving frame (13); a limiting slide (191) is fixedly mounted on the bottom of the first rack (19); the limiting slide (191) is slidably mounted on the inner side of the moving frame (13); a second forward and reverse motor (20) is fixedly mounted on the top of the moving frame (13); an output end of the second forward and reverse motor (20) passes through the moving frame (13) and is fixedly connected to the first gear (18).

5. The demoulding device of the optical lens injection mold according to claim 1, characterized in that: An electric telescopic rod (7) is fixedly mounted on the top of the U-shaped frame (2); one end of the electric telescopic rod (7) passes through the U-shaped frame (2) and is fixedly mounted with a suction cup (8); a vacuum pump (9) is fixedly mounted on the top of the U-shaped frame (2); one end of the vacuum pump (9) is fixedly mounted with a corrugated hose (10); one end of the corrugated hose (10) is fixedly connected to the suction cup (8).

6. The demoulding device of the optical lens injection mold according to claim 4, characterized in that: A disassembly and assembly structure is provided between the two No. 1 racks (19) and the upper mold (5), and the disassembly and assembly structure comprises four fixed blocks (28), and the four fixed blocks (28) are respectively fixedly installed on one side of the two No. 1 racks (19). A limit frame (21) is fixedly installed on both sides of the upper mold (5), and a No. 2 gear (22) is rotatably installed on the inner side of the limit frame (21). A connecting shaft is rotatably installed on the inner side of the upper mold (5). The two No. 2 gears (22) are fixedly connected via the connecting shaft, and the outer side of the No. 2 gear (22) is meshingly connected with two No. 2 racks (23), and the two No. 2 racks (23) are both arranged inside the limit frame (21) and in sliding contact with the limit frame (21). The four fixed blocks (28) are each provided with a square slot, and the four No. 2 racks (23) are respectively matched with the four square slots.

7. The demoulding device of the optical lens injection mold according to claim 6, characterized in that: One end of one of the second gears (22) passes through one of the limit frames (21) and is fixedly mounted with a worm wheel (24); one side of one of the limit frames (21) is fixedly mounted with two fixing seats (25); a worm (26) is rotatably mounted between the two fixing seats (25); the worm wheel (24) and the worm (26) are meshingly connected; one end of the worm (26) passes through one of the fixing seats (25) and is fixedly mounted with a knob (27).

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