Desk lamp lampshade producing and processing mold convenient to open

By using a cylinder-driven upper mold and positioning components in conjunction with a spring system, the lampshade mold of the table lamp is securely connected, solving the problem of loose mold connections and ensuring molding quality and mold integrity.

CN223532908UActive Publication Date: 2025-11-11DONGGUAN HONGJUN PLASTIC MOULD TECH CO LTD
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Patent Information

Application Number
CN202423102243.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-11
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In the diverse and sophisticated designs of existing table lamp shade molds, the mold connections are not tight, causing raw materials to leak out and affecting the molding quality.

Method used

The upper mold and upper connecting plate structure are driven by a cylinder. Combined with positioning components and a spring system, the mold is firmly connected through the cooperation of the slide rod and the extrusion head, ensuring airtightness.

Benefits of technology

It effectively prevents raw material leakage, ensures the shaping quality of the lampshade and the integrity of the mold, and reduces the risk of mold damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dies, and discloses a desk lamp lampshade producing and processing die convenient to open, which comprises a base, the upper part of the base is fixedly connected with a support frame, the inside of the upper side of the support frame is fixedly connected with an air cylinder, and the output end of the air cylinder is fixedly connected with an upper die; an upper connecting plate is fixedly connected to the lower side of the exterior of the upper die, mounting rods are fixedly connected to the four corners of the bottom of the upper connecting plate, a lower connecting plate is fixedly connected to the upper portion of the base, a lower die is fixedly connected to the upper portion of the lower connecting plate, and through grooves are formed in the four corners of the upper side of the interior of the lower connecting plate. And positioning assemblies are fixedly connected to the front and back of the lower side of the inner wall of the through groove. According to the utility model, the mould is fastened, connected and mounted, the sealing performance in the mould is ensured, the shaping quality of an internal lampshade is prevented from being influenced, the impact force caused by the downward movement of the upper mould is relieved, and the mould is prevented from being damaged by the lower impact force.
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Description

Technical Field

[0001] This utility model relates to the field of mold technology, and in particular to a mold for the production and processing of table lamp shades that is easy to open. Background Technology

[0002] Lampshade molds are widely used in the production of table lamps for injection molding. The design and use of these molds ensure the dimensional accuracy and appearance quality of the lampshades, meeting the demands of table lamp production. With the continuous development of plastic processing technology, the design of lampshade molds is also constantly being optimized to improve production efficiency and product quality.

[0003] Nowadays, with the increasing demand for table lamps in the consumer market, lamp designs are becoming more diversified, refined, and personalized. Table lamp shades are typically available in various shapes (such as round, square, and irregular shapes). Different shapes and materials of lamp shades require different molds, necessitating precise mold design and manufacturing technology to ensure that the produced lamp shades are accurate in shape, have a smooth surface, and are highly consistent. To ensure the integrity and quality of the lamp shade injection molding, the sealing between mold connections must be tight to prevent material leakage and affect the molding process. Therefore, a table lamp shade production and processing mold that is easy to open is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a convenient mold for the production and processing of lampshade, aiming to improve the problem in the prior art that in order to ensure the integrity and quality of lampshade injection molding, the sealing between mold connections must be tight to prevent raw material leakage and affect molding.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a mold for manufacturing and processing a table lamp shade that is easy to open, comprising a base, a support frame fixedly connected to the upper part of the base, a cylinder fixedly connected to the upper inner side of the support frame, an upper mold fixedly connected to the output end of the cylinder, an upper connecting plate fixedly connected to the lower outer side of the upper mold, mounting rods fixedly connected to the four bottom corners of the upper connecting plate, a lower connecting plate fixedly connected to the upper part of the base, a lower mold fixedly connected to the upper part of the lower connecting plate, through grooves opened at the four inner upper corners of the lower connecting plate, positioning components fixedly connected to the front and rear of the lower inner wall of the through groove, the positioning components being used to make the mold connection more secure, a conical sleeve engagingly connected to one side of the mounting rod, and an extrusion head fixedly connected to the bottom of the conical sleeve.

[0006] As a further description of the above technical solution:

[0007] Two fixing blocks are fixedly connected to the left and right sides of the outer walls of the upper connecting plate and the lower connecting plate. A sliding rod is slidably connected inside the fixing block. A retaining ring is threaded to both sides of the outer side of the sliding rod. The retaining ring spring is connected to one side of the fixing block. A first spring is sleeved on the outside of the sliding rod.

[0008] As a further description of the above technical solution:

[0009] The positioning component includes a reset spring, one end of which is fixedly connected to one side of the inner wall of the through groove, and the other end of which is fixedly connected to a positioning block. One side of the positioning block is engaged with the inside of the extrusion head.

[0010] As a further description of the above technical solution:

[0011] Connecting blocks are fixedly connected to both outer sides of the conical sleeve, and limiting grooves are opened on both upper sides of the through groove. The connecting blocks are slidably connected inside the limiting grooves.

[0012] As a further description of the above technical solution:

[0013] The bottom of the fixing blocks on the left and right sides of the lower connecting plate and the upper left and right sides of the base are all fixedly connected to the pressing blocks, and a second spring is fixedly connected to the pressing blocks on the adjacent side.

[0014] As a further description of the above technical solution:

[0015] The upper mold has four fixedly connected insertion rods at its bottom corners, and the lower mold has four insertion holes at its upper inner corners, with the mounting rods engaging inside the insertion holes.

[0016] As a further description of the above technical solution:

[0017] The support frame has telescopic rods fixedly connected to the bottom left and right sides, and the telescopic rods are fixedly connected to the upper left and right sides of the upper connecting plate.

[0018] As a further description of the above technical solution:

[0019] The two ends of the first spring are fixedly connected to the adjacent side of the fixed block.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, by starting the cylinder to move the upper mold and the upper connecting plate downward, the fixing block is driven to slide on the slide rod to squeeze the first spring, thereby reducing the downward pressure on the upper mold and the upper connecting plate. The second spring further absorbs the pressure brought by the downward movement of the upper mold and the upper connecting plate, thus reducing the impact force brought by the downward movement of the upper mold and preventing damage to the mold due to the downward impact force.

[0022] 2. In this utility model, the upper mold and the upper connecting plate are moved by starting the cylinder, so that the mounting rod is inserted into the inside of the conical sleeve and slides inside the through groove. The extrusion head presses against the positioning block, so that the return spring is compressed and generates a rebound force. When the extrusion head is in contact with the inner wall of the bottom side of the through groove, the positioning block is no longer compressed and is inserted into the extrusion head under the rebound force of the return spring. At the same time, the insertion rod is inserted into the insertion hole, which realizes the fastening connection and installation of the mold, ensures the sealing of the mold, and prevents the shaping quality of the internal lampshade from being affected. Attached Figure Description

[0023] Figure 1 A perspective view of a mold for manufacturing and processing a table lamp shade that is easy to open, as proposed in this utility model;

[0024] Figure 2 This is a schematic diagram of the mold connection structure for a table lamp shade production and processing mold that is easy to open mold according to the present invention.

[0025] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0026] Legend:

[0027] 1. Base; 2. Support frame; 3. Cylinder; 4. Upper mold; 5. Upper connecting plate; 6. Telescopic rod; 7. Insert rod; 8. Mounting rod; 9. Lower mold; 10. Insertion hole; 11. Lower connecting plate; 12. Through groove; 13. Conical sleeve; 14. Connecting block; 15. Limiting groove; 16. Extrusion head; 17. Return spring; 18. Positioning block; 19. Fixing block; 20. Slide rod; 21. Retaining ring; 22. First spring; 23. Extrusion block; 24. Second spring. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Reference Figure 1 , Figure 2 , Figure 3This utility model provides an embodiment of a lampshade production and processing mold that facilitates mold opening. The mold includes a base 1, a support frame 2 fixedly connected to the upper part of the base 1, a cylinder 3 fixedly connected to the upper inner side of the support frame 2, an upper mold 4 fixedly connected to the output end of the cylinder 3, an upper connecting plate 5 fixedly connected to the lower outer side of the upper mold 4, mounting rods 8 fixedly connected to the four bottom corners of the upper connecting plate 5, a lower connecting plate 11 fixedly connected to the upper part of the base 1, and a lower mold 9 fixedly connected to the upper part of the lower connecting plate 11, thus connecting the upper mold 4 and the upper connecting plate 9. The connecting plate 5 moves downward and connects with the lower mold 9 and the lower connecting plate 11. The upper four corners of the lower connecting plate 11 are provided with through grooves 12. The lower inner wall of the through groove 12 is fixedly connected with positioning components at the front and back. The positioning components are used to make the mold connection more secure. The outer side of the mounting rod 8 is engaged with a conical sleeve 13. The bottom of the conical sleeve 13 is fixedly connected with an extrusion head 16. The bottom four corners of the upper mold 4 are fixedly connected with insertion rods 7. The upper four corners of the lower mold 9 are provided with insertion holes 10. The mounting rod 8 is engaged with the inside of the insertion holes 10.

[0030] The positioning assembly includes a return spring 17, one end of which is fixedly connected to one side of the inner wall of the through groove 12, and the other end of which is fixedly connected to a positioning block 18. One side of the positioning block 18 is engaged with the inside of the extrusion head 16, so that it securely connects the upper connecting plate 5 and the lower connecting plate 11. Connecting blocks 14 are fixedly connected to both sides of the outer side of the tapered sleeve 13. Limiting grooves 15 are opened on both sides of the upper part of the through groove 12, and the connecting blocks 14 are slidably connected inside the limiting grooves 15.

[0031] The cylinder 3 is activated to move the upper mold 4 and the upper connecting plate 5, causing the mounting rod 8 to be inserted into the conical sleeve 13 and slide inside the through groove 12. This causes the extrusion head 16 to press against the positioning block 18, causing the return spring 17 to be compressed and generate a rebound force. Once the extrusion head 16 is in contact with the bottom inner wall of the through groove 12, the positioning block 18 is no longer compressed. The rebound force of the return spring 17 pushes the positioning block 18 into the extrusion head 16 and fixes it in place. At the same time, the insertion rod 7 is inserted into the insertion hole 10 to securely connect and install the mold, ensuring the sealing of the mold and preventing any impact on the shaping quality of the internal lampshade.

[0032] Reference Figure 1 Two fixing blocks 19 are fixedly connected to the left and right sides of the outer walls of the upper connecting plate 5 and the lower connecting plate 11. A sliding rod 20 is slidably connected inside the fixing block 19. A retaining ring 21 is threadedly connected to both sides of the outer side of the sliding rod 20. The retaining ring 21 is spring-connected to one side of the fixing block 19. A first spring 22 is sleeved on the outside of the sliding rod 20. The two ends of the first spring 22 are fixedly connected to the side of the fixing block 19 that is close to each other, so as to reduce the downward impact force.

[0033] The bottom of the fixing blocks 19 on the left and right sides of the lower connecting plate 11 and the upper left and right sides of the base 1 are fixedly connected to the pressing blocks 23. The pressing blocks 23 are fixedly connected to the side closest to each other, so as to further reduce the downward impact force. The bottom left and right sides of the support frame 2 are fixedly connected to the telescopic rods 6, which are fixedly connected to the upper left and right sides of the upper connecting plate 5.

[0034] By activating the cylinder 3, the upper mold 4 and the upper connecting plate 5 are moved downwards. At the same time, the fixing block 19 is driven to slide on the slide rod 20, which compresses the first spring 22, thereby reducing the downward pressure on the upper mold 4 and the upper connecting plate 5. The second spring 24 further absorbs the pressure brought by the downward movement of the upper mold 4 and the upper connecting plate 5, greatly reducing the downward pressure of the upper mold 4 on the lower mold 9 and preventing damage to the mold due to the downward impact force.

[0035] Working principle: When the mold is in use, the cylinder 3 is activated to move the upper mold 4 and the upper connecting plate 5 downward. At the same time, the fixing block 19 is driven to slide on the slide rod 20 to squeeze the first spring 22, which reduces the downward pressure on the upper mold 4 and the upper connecting plate 5. The second spring 24 further absorbs the pressure brought by the downward movement of the upper mold 4 and the upper connecting plate 5, thereby reducing the impact force brought by the downward movement of the upper mold 4 and preventing the mold from being damaged by the downward impact force.

[0036] The cylinder 3 is activated to move the upper mold 4 and the upper connecting plate 5, causing the mounting rod 8 to be inserted into the conical sleeve 13 and slide inside the through groove 12. This causes the extrusion head 16 to press against the positioning block 18, resulting in the return spring 17 being compressed and generating a rebound force. Once the extrusion head 16 is in contact with the bottom inner wall of the through groove 12, the positioning block 18 is no longer compressed and is inserted into the extrusion head 16 under the rebound force of the return spring 17. At the same time, the insertion rod 7 is inserted into the insertion hole 10, thus achieving a tight connection and installation of the mold, ensuring the sealing of the mold and preventing any impact on the shaping quality of the internal lampshade.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A mold for manufacturing and processing a table lamp shade that is easy to open, comprising a base (1), characterized in that: A support frame (2) is fixedly connected to the upper part of the base (1). A cylinder (3) is fixedly connected to the upper inside of the support frame (2). An upper mold (4) is fixedly connected to the output end of the cylinder (3). An upper connecting plate (5) is fixedly connected to the lower outside of the upper mold (4). An installation rod (8) is fixedly connected to the bottom four corners of the upper connecting plate (5). A lower connecting plate (11) is fixedly connected to the upper part of the base (1). A lower mold (9) is fixedly connected to the upper part of the lower connecting plate (11). A through groove (12) is opened at the four corners of the upper inside of the lower connecting plate (11). A positioning component is fixedly connected to the lower inside wall of the through groove (12) at both the front and back. The positioning component is used to make the mold connection more secure. A conical sleeve (13) is engaged with the outside of one side of the installation rod (8). An extrusion head (16) is fixedly connected to the bottom of the conical sleeve (13).

2. The mold for producing and processing a table lamp shade that is easy to open, as described in claim 1, is characterized in that: Two fixing blocks (19) are fixedly connected to the left and right sides of the outer walls of the upper connecting plate (5) and the lower connecting plate (11). A sliding rod (20) is slidably connected inside the fixing block (19). A retaining ring (21) is threadedly connected to both sides of the outer side of the sliding rod (20). The retaining ring (21) is spring-connected to one side of the fixing block (19). A first spring (22) is sleeved on the outside of the sliding rod (20).

3. The mold for producing and processing a table lamp shade that is easy to open, as described in claim 1, is characterized in that: The positioning assembly includes a reset spring (17), one end of which is fixedly connected to one side of the inner wall of the through groove (12), and the other end of which is fixedly connected to a positioning block (18), one side of which is engaged with the inside of the extrusion head (16).

4. The mold for producing and processing a table lamp shade that is easy to open, as described in claim 1, is characterized in that: The tapered sleeve (13) is fixedly connected to both sides of the outside with connecting blocks (14), and the upper sides of the through groove (12) are provided with limiting grooves (15). The connecting blocks (14) are slidably connected inside the limiting grooves (15).

5. The mold for producing and processing a table lamp shade that is easy to open, as described in claim 1, is characterized in that: The bottom of the fixing blocks (19) on the left and right sides of the lower connecting plate (11) and the upper left and right sides of the base (1) are fixedly connected to the pressing blocks (23), and the pressing blocks (23) are fixedly connected to the adjacent side of the pressing blocks (23) with the second spring (24).

6. The mold for producing and processing a table lamp shade that is easy to open, as described in claim 1, is characterized in that: The bottom four corners of the upper mold (4) are fixedly connected with insert rods (7), and the four corners of the upper side of the lower mold (9) are provided with insertion holes (10), and the mounting rod (8) is engaged and connected inside the insertion holes (10).

7. The mold for producing and processing a table lamp shade that is easy to open, as described in claim 1, is characterized in that: The bottom left and right sides of the support frame (2) are fixedly connected with telescopic rods (6), which are fixedly connected to the upper left and right sides of the upper connecting plate (5).

8. The mold for producing and processing a table lamp shade that is easy to open, as described in claim 2, is characterized in that: The two ends of the first spring (22) are fixedly connected to the adjacent side of the fixing block (19).