Anti-fracture display middle frame injection mold

Abstract

The utility model discloses an anti-fracture display middle frame injection mold, which belongs to the technical field of injection molds, and comprises a base, a liquid storage tank is mounted in the base, a lower mold is mounted above the base, a support column is connected onto the base, one end of the support column is connected with a top plate, a hydraulic push rod is mounted on the top plate, and the hydraulic push rod is connected with the liquid storage tank. The movable end of the hydraulic push rod is connected with an upper die. According to the anti-fracture display middle frame injection mold, cooling liquid is evenly distributed in the lower mold through a cooling pipe, heat of the lower mold is evenly absorbed, the forming effect of a display middle frame is improved, when a hydraulic push rod pushes an upper mold to move downwards, an insertion rod can be inserted into an insertion groove, and the upper mold can also press an embedding block downwards; and the connecting spring rebounds to push the embedding block when the upper mold moves upwards, so that the embedding block drives the forming plate to be separated from the forming groove, and a worker can conveniently take the middle frame.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, in particular to an anti-fracture display middle frame injection mold. Background Art

[0002] A mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to injecting the heated and molten material into the mold cavity under high pressure, and obtaining a molded product after cooling and solidification.

[0003] The monitor middle frame is a component of the monitor outer frame and is generally produced by injection molding. During injection molding, the heat dissipation efficiency of the mold's natural cooling is low, and uneven cooling can easily lead to localized rapid cooling, causing cracks in the middle frame. The molded middle frame will be stuck in the molding groove, making it difficult for staff to pick it up, and it is easy to cause the middle frame to break when picking it up. Utility Model Content

[0004] In order to overcome the above-mentioned defects, the utility model provides a fracture-resistant display middle frame injection mold, which solves the problems that the heat dissipation efficiency of the mold's natural cooling is low, and uneven cooling easily leads to local cooling that causes cracks in the middle frame, and the molded middle frame will be stuck in the molding groove, making it difficult for staff to take it, and easily causing the middle frame to break when taking it.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-fracture display middle frame injection mold, comprising a base, a liquid storage tank is installed in the base, a lower mold is installed above the base, a support column is connected to the base, one end of the support column is connected to a top plate, a hydraulic push rod is installed on the top plate, the movable end of the hydraulic push rod is connected to an upper mold, an injection port is arranged on the upper mold, sliding holes are opened at the four corners of the upper mold, a positioning groove is opened at the bottom of the upper mold, a slot is opened at the bottom of the upper mold, a lower pressure column is connected to the bottom of the upper mold, and a through hole is opened in the lower pressure column;

[0006] The lower mold is provided with a groove, the lower mold is provided with a molding groove, the lower mold is provided with an engaging groove near the molding groove, the lower mold is connected with a positioning column, the lower mold is provided with an installation groove, a cooling pipe is installed in the installation groove, a guide rod is connected in the groove, a buffer plate is slidably connected to the guide rod, an insertion rod is connected in the engaging groove, an engaging block is slidably connected to the insertion rod, and the molding plate is connected to the engaging block.

[0007] As a further solution of the utility model: the upper mold is slidably connected to the support column through a sliding hole, the insertion rod is inserted into the slot, and a water pump is installed on the liquid storage tank through a pipeline.

[0008] As a further solution of the utility model: the positioning column is inserted in the positioning groove, a buffer spring is connected below the buffer plate, one end of the buffer spring is connected to the groove wall, and the guide rod is inserted in the through hole.

[0009] As a further solution of the utility model: a connecting spring is connected below the engaging block, one end of the connecting spring is connected to the wall of the engaging groove, and the engaging block is engaged with the engaging groove.

[0010] As a further solution of the utility model: a buffer pad is connected below the base, an anti-slip pattern is provided below the buffer pad, and the forming plate is fitted with the forming groove.

[0011] As a further solution of the utility model: one end of the cooling pipe is connected to a water inlet pipe, the other end of the cooling pipe is connected to a water outlet pipe, one end of the water inlet pipe is connected to a water pump, and one end of the water outlet pipe is connected to a liquid storage tank.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The anti-fracture display middle frame injection mold is provided with a water pump, a water inlet pipe, a water outlet pipe, a cooling pipe, a plug rod, a fitting block, a connecting spring and a molding plate. The coolant in the liquid storage tank is extracted by the water pump and transported from the water inlet pipe to the cooling pipe, so that the coolant is evenly distributed in the lower mold through the cooling pipe, and the heat of the lower mold is evenly absorbed, thereby improving the molding effect of the display middle frame. When the hydraulic push rod pushes the upper mold downward, the plug rod will be inserted into the slot, and the upper mold will also press down the fitting block, so that the fitting block is embedded in the fitting groove and compress the connecting spring, so that when the upper mold moves upward, the connecting spring rebounds and pushes the fitting block, so that the fitting block drives the molding plate out of the molding groove, thereby facilitating the staff to take the molded display middle frame.

[0014] 2. The anti-fracture display middle frame injection mold is provided with a buffer plate, a buffer spring, a groove, a lower pressure column, a positioning column, and a positioning groove. The upper mold is moved downward by starting the hydraulic push rod. As the upper mold moves downward, the positioning column will be inserted into the positioning groove, thereby assisting the staff to position the combination of the upper mold and the lower mold. At the same time, the lower pressure column will be inserted into the groove and push the buffer plate to move, so that the buffer plate can compress the buffer spring, thereby buffering the contact between the upper mold and the lower mold, and avoiding direct contact and collision to cause damage to the lower mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the upper mold of the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the lower mold of the utility model;

[0018] Figure 4 for Figure 3 Schematic diagram of the enlarged structure in part A;

[0019] In the figure: 1. base; 2. liquid storage tank; 3. lower mold; 4. support column; 5. top plate; 6. hydraulic push rod; 7. upper mold; 8. injection port; 9. slide hole; 10. positioning groove; 11. slot; 12. lower pressure column; 13. through hole; 14. groove; 15. molding groove; 16. fitting groove; 17. positioning column; 18. installation groove; 19. cooling pipe; 20. guide rod; 21. buffer spring; 22. buffer plate; 23. plug rod; 24. fitting block; 25. molding plate; 26. connecting spring; 27. water pump; 28. water inlet pipe; 29. ​​water outlet pipe; 30. buffer pad. DETAILED DESCRIPTION

[0020] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0021] like Figure 1-4 As shown, the utility model provides a technical solution: an anti-fracture display middle frame injection mold, including a base 1, a liquid storage tank 2 is installed in the base 1, a buffer pad 30 is connected below the base 1, and an anti-slip pattern is arranged below the buffer pad 30. The molding plate 25 is fitted with the molding groove 15. The buffer pad 30 is used to buffer and weaken the vibration impact generated during work, and the buffer pad 30 is used to increase the friction with the ground, thereby improving the stability of work.

[0022] A lower mold 3 is installed above the base 1, a support column 4 is connected to the base 1, an upper mold 7 is slidably connected to the support column 4 through a sliding hole 9, an insertion rod 23 is inserted into a slot 11, a water pump 27 is installed on the liquid storage tank 2 through a pipeline, and the movement of the upper mold 7 is guided by the support column 4 to prevent the upper mold 7 from accidentally tilting during movement.

[0023] One end of the support column 4 is connected to a top plate 5, a hydraulic push rod 6 is installed on the top plate 5, an upper mold 7 is connected to the movable end of the hydraulic push rod 6, an injection port 8 is provided on the upper mold 7, sliding holes 9 are provided at the four corners of the upper mold 7, a positioning groove 10 is provided below the upper mold 7, a slot 11 is provided below the upper mold 7, a lower pressure column 12 is connected below the upper mold 7, a through hole 13 is provided in the lower pressure column 12, a groove 14 is provided on the lower mold 3, a molding groove 15 is provided on the lower mold 3, and a fitting groove is provided near the molding groove 15 of the lower mold 3 16, a positioning column 17 is connected to the lower mold 3, a mounting groove 18 is opened in the lower mold 3, a cooling pipe 19 is installed in the mounting groove 18, one end of the cooling pipe 19 is connected to a water inlet pipe 28, and the other end of the cooling pipe 19 is connected to a water outlet pipe 29, one end of the water inlet pipe 28 is connected to a water pump 27, and one end of the water outlet pipe 29 is connected to a liquid storage tank 2, and a passage is formed between the cooling pipe 19 and the liquid storage tank 2 through the water inlet pipe 28 and the water outlet pipe 29, so that the coolant after absorbing heat flows back into the liquid storage tank 2, thereby improving the utilization rate of the coolant.

[0024] A guide rod 20 is connected to the groove 14, and the positioning column 17 is inserted in the positioning groove 10. A buffer spring 21 is connected below the buffer plate 22, and one end of the buffer spring 21 is connected to the groove wall of the groove 14. The guide rod 20 is inserted in the through hole 13. The insertion of the positioning column 17 and the positioning groove 10 prevents the upper mold 7 from accidentally tilting when combined with the lower mold 3, and the contact between the upper mold 7 and the lower mold 3 is buffered by compressing the buffer spring 21 to prevent the upper mold 7 from directly colliding with the lower mold 3 and causing damage to the lower mold 3.

[0025] A buffer plate 22 is slidably connected to the guide rod 20, an insertion rod 23 is connected in the engaging groove 16, an engaging block 24 is slidably connected to the inserting rod 23, a forming plate 25 is connected to the engaging block 24, a connecting spring 26 is connected below the engaging block 24, one end of the connecting spring 26 is connected to the groove wall of the engaging groove 16, the engaging block 24 is engaged with the engaging groove 16, and through the rebound of the connecting spring 26, the forming plate 25 can push the formed display middle frame out of the forming groove 15, so as to facilitate the staff to take it.

[0026] The working principle of the utility model is:

[0027] Start the hydraulic push rod 6 to push the upper mold 7 downward. As the upper mold 7 moves, the positioning column 17 will be inserted into the positioning groove 10, thereby positioning the combination of the upper mold 7 and the lower mold 3, and the lower pressure column 12 will also be inserted into the groove 14, and at the same time push the buffer plate 22 to compress the buffer spring 21 to buffer the contact between the upper mold 7 and the lower mold 3, and then start the water pump 27 to transport the coolant in the liquid storage tank 2 to the cooling pipe 19 through the water inlet pipe 28, so that the coolant is evenly distributed in the lower mold 3 through the cooling pipe 19, and the heat of the lower mold 3 is evenly absorbed. When the upper mold 7 moves downward, the insertion rod 23 will be inserted into the slot 11, and the upper mold 7 will also press down the interlocking block 24, so that the interlocking block 24 enters the interlocking groove 16 to compress the connecting spring 26, so that when the upper mold 7 moves upward, the connecting spring 26 rebounds and pushes the interlocking block 24, so that the interlocking block 24 drives the forming plate 25 to move, so that the forming plate 25 pushes the formed middle frame to separate from the forming groove 15.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0029] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A fracture-resistant display middle frame injection mold, comprising a base (1), characterized in that: A liquid storage tank (2) is installed in the base (1), a lower mold (3) is installed above the base (1), a support column (4) is connected to the base (1), one end of the support column (4) is connected to a top plate (5), a hydraulic push rod (6) is installed on the top plate (5), the movable end of the hydraulic push rod (6) is connected to an upper mold (7), an injection port (8) is provided on the upper mold (7), sliding holes (9) are provided at the four corners of the upper mold (7), a positioning groove (10) is provided below the upper mold (7), a slot (11) is provided below the upper mold (7), a lower pressure column (12) is connected below the upper mold (7), and a through hole (13) is provided in the lower pressure column (12); The lower mold (3) is provided with a groove (14), the lower mold (3) is provided with a molding groove (15), the lower mold (3) is provided with an engaging groove (16) near the molding groove (15), the lower mold (3) is connected with a positioning column (17), the lower mold (3) is provided with an installation groove (18), a cooling pipe (19) is installed in the installation groove (18), a guide rod (20) is connected in the groove (14), a buffer plate (22) is slidably connected to the guide rod (20), an insertion rod (23) is connected in the engaging groove (16), an engaging block (24) is slidably connected to the insertion rod (23), and the molding plate (25) is connected to the engaging block (24).

2. The anti-fracture display middle frame injection mold according to claim 1, characterized in that: The upper mold (7) is slidably connected to the support column (4) through a sliding hole (9), the insertion rod (23) is inserted into the slot (11), and a water pump (27) is installed on the liquid storage tank (2) through a pipeline.

3. The anti-fracture display middle frame injection mold according to claim 1, characterized in that: The positioning column (17) is inserted into the positioning groove (10), a buffer spring (21) is connected below the buffer plate (22), one end of the buffer spring (21) is connected to the groove wall of the groove (14), and the guide rod (20) is inserted into the through hole (13).

4. The anti-fracture display middle frame injection mold according to claim 1, characterized in that: A connecting spring (26) is connected below the engaging block (24), one end of the connecting spring (26) is connected to the groove wall of the engaging groove (16), and the engaging block (24) is engaged with the engaging groove (16).

5. The anti-fracture display middle frame injection mold according to claim 1, characterized in that: A buffer pad (30) is connected below the base (1), and anti-slip patterns are provided below the buffer pad (30), and the molding plate (25) is fitted with the molding groove (15).

6. The anti-fracture display middle frame injection mold according to claim 2, characterized in that: One end of the cooling pipe (19) is connected to a water inlet pipe (28), and the other end of the cooling pipe (19) is connected to a water outlet pipe (29). One end of the water inlet pipe (28) is connected to a water pump (27), and one end of the water outlet pipe (29) is connected to a liquid storage tank (2).

Images