A pressing device for producing anti-crush foam boxes for liquid crystal displays
By designing an automated pressing device, which utilizes a motor-driven lead screw and rack and pinion transmission combined with a vacuum fan for negative pressure adsorption, the automatic pressing and unloading of the LCD screen anti-crush foam box is achieved. This solves the problem of manual operation required by traditional devices, improves production efficiency, and reduces labor costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGZHENG NEW MATERIALS TECHNOLOGY (GUANGZHOU) CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-06-30
AI Technical Summary
Traditional pressing devices for producing anti-crush foam boxes for LCD displays require manual unloading, which is time-consuming and labor-intensive, resulting in high labor costs and low production efficiency.
A pressing device including a first transmission mechanism and a second transmission mechanism was designed. Automatic pressing and unloading are achieved by driving a lead screw and a gear rack through a motor. A blower is used to generate negative pressure to suck the foam box into the collection shell.
The pressing process has been automated, reducing manual operation, improving production efficiency and lowering labor costs.
Smart Images

Figure CN224426563U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of foam box production technology, specifically to a pressing device for producing liquid crystal display screen anti-crush foam boxes. Background Technology
[0002] In the production process of anti-crush foam boxes for LCD displays, the pressing device is one of the key pieces of equipment, used to press multiple layers of foam material into foam boxes with specific cushioning structures. Traditional pressing devices rely on manual unloading. After pressing, the pressing mold must be opened manually to remove the foam box and transport it to the collection area, which is time-consuming and labor-intensive, especially in large-scale production, where labor costs are high and efficiency is low. Utility Model Content
[0003] In view of the problems existing in the pressing device for producing anti-crush foam boxes for LCD displays, this utility model is proposed.
[0004] Therefore, the purpose of this utility model is to provide a pressing device for producing anti-crush foam boxes for liquid crystal displays, which solves the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A pressing device for producing anti-crush foam boxes for liquid crystal displays includes a base plate and a top plate. A vertical rod is fixedly installed on one side of the upper surface of the base plate, and the top plate is fixedly installed at the upper end of the vertical rod. A lower mold is fixedly installed on the upper surface of the base plate, and an upper mold is installed on the lower side of the top plate. One side of the upper mold is slidably sleeved with the vertical rod via a slider. A collecting shell is fixedly installed on the upper surface of the base plate, on the side away from the lower mold. A strip-shaped opening is opened at the upper end of the collecting shell, on the side close to the lower mold. A corrugated pipe is fixedly installed on the outside of the strip-shaped opening, and the other end of the corrugated pipe is connected to a collecting cover. A through hole is opened at the upper end of the collecting shell, on the side away from the lower mold, and an exhaust fan is fixedly installed on the outside of the through hole. A lead screw is rotatably installed on the lower surface of the top plate, on the side away from the vertical rod. A first transmission mechanism is provided at the upper end of the vertical rod to drive the upper mold to move longitudinally, and a second transmission mechanism is provided at the lower end of the lead screw to drive the collecting cover to move horizontally.
[0007] Preferably, the first transmission mechanism includes an L-shaped plate and a first motor. The L-shaped plate is fixedly disposed on the upper surface of the upper mold on the side away from the vertical rod. One end of the L-shaped plate is threadedly connected to the lead screw. The first motor is fixedly disposed on the upper surface of the top plate. The output end of the first motor is fixedly connected to the upper end of the lead screw.
[0008] Preferably, the second transmission mechanism includes a gear and a rack, the gear is fixedly sleeved on the lower end of the lead screw, the rack is meshed on the rear side of the gear, and the lower side of the rack is fixedly connected to the collection cover.
[0009] Preferably, a rotating rod is rotatably provided in the middle of the collecting shell, and a baffle is sleeved on the rod wall. A second motor is fixedly provided on the front outer wall of the collecting shell, and the output end of the second motor is fixedly connected to one end of the rotating rod.
[0010] Preferably, the rack has a square hole at one end near the collecting shell, and a square rod is slidably fitted inside the square hole, with one end of the square rod fixedly connected to the outer wall of the collecting shell.
[0011] Preferably, a support plate is fixedly provided on the upper surface of the collecting shell, and one end of the support plate is rotatably sleeved with the lower end of the lead screw.
[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows:
[0013] 1. In this utility model, the first motor drives the lead screw to rotate, which drives the L-shaped plate and the upper mold to move up and down along the vertical rod to complete the pressing. After the pressing is completed, the lead screw reverses to make the upper mold rise and reset, eliminating the need for manual operation of the pressing process.
[0014] 2. In this invention, the gear and rack transmission of the second transmission mechanism drives the gear to rotate synchronously when the lead screw rotates. After the mold is opened, the rack and the collection cover are moved horizontally above the lower mold. After the exhaust fan is started, negative pressure is generated through the corrugated pipe, which adsorbs the pressed foam box into the collection shell, eliminating the need for manual unloading and collection. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0016] Figure 1 This is a schematic diagram of the pressing device for producing anti-crush foam boxes for liquid crystal displays, as proposed in this utility model.
[0017] Figure 2 for Figure 1 Internal structure diagram;
[0018] Figure 3 for Figure 1 A three-dimensional view of a corrugated pipe.
[0019] Explanation of reference numerals in the attached figures:
[0020] 1. Base plate; 2. Vertical rod; 3. Top plate; 4. Lower mold; 5. Upper mold; 6. Slider; 7. Lead screw; 8. L-shaped plate; 9. Collection cover; 10. Bellows; 11. Collection shell; 12. Exhaust fan; 13. Rack; 14. Square rod; 15. Gear; 16. Support plate; 17. Second motor; 18. Rotating rod; 19. Baffle; 20. First motor. Detailed Implementation
[0021] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0022] This utility model discloses a pressing device for producing anti-crush foam boxes for liquid crystal displays.
[0023] Reference Figure 1-3 A pressing device for producing anti-crush foam boxes for liquid crystal displays includes a base plate 1 and a top plate 3. A vertical rod 2 is fixedly installed on one side of the upper surface of the base plate 1, and the top plate 3 is fixedly installed at the upper end of the vertical rod 2. A lower mold 4 is fixedly installed on the upper surface of the base plate 1, and an upper mold 5 is installed on the lower side of the top plate 3. One side of the upper mold 5 is slidably sleeved with the vertical rod 2 via a slider 6. A collecting shell 11 is fixedly installed on the upper surface of the base plate 1, on the side away from the lower mold 4. The upper end of the collecting shell 11 is located near the lower mold 4. A strip-shaped opening is provided on the side, and a bellows 10 is fixedly installed on the outside of the strip-shaped opening. The other end of the bellows 10 is connected to a collection cover 9. A through hole is provided on the upper end of the collection shell 11 on the side away from the lower mold 4. A blower 12 is fixedly installed on the outside of the through hole. A lead screw 7 is rotatably installed on the lower surface of the top plate 3 on the side away from the vertical rod 2. A first transmission mechanism is provided at the upper end of the vertical rod 2 to drive the upper mold 5 to move longitudinally, and a second transmission mechanism is provided at the lower end of the lead screw 7 to drive the collection cover 9 to move horizontally.
[0024] Reference Figure 1-3 The first transmission mechanism includes an L-shaped plate 8 and a first motor 20. The L-shaped plate 8 is fixedly installed on the upper surface of the upper mold 5 away from the vertical rod 2. One end of the L-shaped plate 8 is threadedly connected to the lead screw 7. The first motor 20 is fixedly installed on the upper surface of the top plate 3. The output end of the first motor 20 is fixedly connected to the upper end of the lead screw 7. A support plate 16 is fixedly installed on the upper surface of the collecting shell 11. One end of the support plate 16 is rotatably connected to the lower end of the lead screw 7, which can support the lead screw 7 and make the lead screw 7 rotate more stably.
[0025] Reference Figure 1-3The second transmission mechanism includes a gear 15 and a rack 13. The gear 15 is fixedly sleeved on the lower end of the lead screw 7. The rack 13 is meshed on the rear side of the gear 15. The lower side of the rack 13 is fixedly connected to the collection cover 9. A square hole is opened at one end of the rack 13 near the collection shell 11. A square rod 14 is slidably sleeved inside the square hole. One end of the square rod 14 is fixedly connected to the outer wall of the collection shell 11, which can restrict the rotation of the rack 13 and enable the rack 13 to move stably.
[0026] Reference Figure 1-3 A rotating rod 18 is rotatably installed in the middle of the collection shell 11. A baffle 19 is sleeved on the rod wall of the rotating rod 18. A second motor 17 is fixedly installed on the front outer wall of the collection shell 11. The output end of the second motor 17 is fixedly connected to one end of the rotating rod 18, which can seal the lower part of the collection shell 11, thereby enabling the collection cover 9 to stably suck the foam box into the collection shell 11.
[0027] In this invention, during use, the first motor 20 starts and drives the lead screw 7 to rotate, and the L-shaped plate 8 drives the upper mold 5 to descend and press the foam material with the lower mold 4. After pressing, the first motor 20 reverses to reset the upper mold 5, and at the same time, the lead screw 7 drives the gear 15 to rotate, and the rack 13 pushes the collection cover 9 to move directly above the lower mold 4. The exhaust fan 12 is turned on to generate negative pressure, and the foam box is sucked into the collection shell 11 through the corrugated pipe 10. The baffle 19 is opened at timed intervals under the control of the second motor 17, so that the foam box falls into the bottom of the collection shell 11, completing the fully automatic pressing and unloading process.
[0028] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions 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 pressing device for producing anti-extrusion foam box of liquid crystal display screen, comprising a bottom plate (1) and a top plate (3), characterized in that, A vertical rod (2) is fixedly installed on one side of the upper surface of the base plate (1), and a top plate (3) is fixedly installed at the upper end of the vertical rod (2). A lower mold (4) is fixedly installed on the upper surface of the base plate (1), and an upper mold (5) is installed on the lower side of the top plate (3). One side of the upper mold (5) is slidably sleeved with the vertical rod (2) through a slider (6). A collection shell (11) is fixedly installed on the upper surface of the base plate (1) on the side away from the lower mold (4). A strip-shaped opening is opened at the upper end of the collection shell (11) on the side close to the lower mold (4). A corrugated pipe (10) is fixedly installed on the outside of the top plate (3), and a collection cover (9) is connected to the other end of the corrugated pipe (10). A through hole is opened on the upper end of the side of the collection shell (11) away from the lower mold (4). A blower (12) is fixedly installed on the outside of the through hole. A lead screw (7) is rotatably installed on the lower surface of the top plate (3) and on the side away from the vertical rod (2). A first transmission mechanism is provided at the upper end of the vertical rod (2) to drive the upper mold (5) to move longitudinally. A second transmission mechanism is provided at the lower end of the lead screw (7) to drive the collection cover (9) to move horizontally.
2. The pressing device for producing anti-crush foam boxes for liquid crystal displays according to claim 1, characterized in that, The first transmission mechanism includes an L-shaped plate (8) and a first motor (20). The L-shaped plate (8) is fixedly disposed on the upper surface of the upper mold (5) away from the vertical rod (2). One end of the L-shaped plate (8) is threadedly connected to the lead screw (7). The first motor (20) is fixedly disposed on the upper surface of the top plate (3). The output end of the first motor (20) is fixedly connected to the upper end of the lead screw (7).
3. The pressing device for producing anti-crush foam boxes for liquid crystal displays according to claim 1, characterized in that, The second transmission mechanism includes a gear (15) and a rack (13). The gear (15) is fixedly sleeved on the lower end of the lead screw (7). The rack (13) is meshed on the rear side of the gear (15). The lower side of the rack (13) is fixedly connected to the collection cover (9).
4. The pressing device for producing anti-crush foam boxes for liquid crystal displays according to claim 1, characterized in that, A rotating rod (18) is rotatably provided in the middle of the collection shell (11). A baffle (19) is sleeved on the rod wall of the rotating rod (18). A second motor (17) is fixedly provided on the front outer wall of the collection shell (11). The output end of the second motor (17) is fixedly connected to one end of the rotating rod (18).
5. The pressing device for producing anti-crush foam boxes for liquid crystal displays according to claim 3, characterized in that, The rack (13) has a square hole at one end near the collecting shell (11), and a square rod (14) is slidably fitted inside the square hole. One end of the square rod (14) is fixedly connected to the outer wall of the collecting shell (11).
6. The pressing device for producing anti-crush foam boxes for liquid crystal displays according to claim 2, characterized in that, A support plate (16) is fixedly provided on the upper surface of the collection shell (11), and one end of the support plate (16) is rotatably sleeved with the lower end of the lead screw (7).