Inner runner heat insulation plate mold

By designing structures such as lower pressing blocks, threaded plates and forward and reverse screws in the insulation plate mold, the problem of easy deviation of the mold core during the injection molding process is solved, higher injection molding accuracy and stability are achieved, and the connection between the mold cover and the mold box is enhanced.

CN222610306UActive Publication Date: 2025-03-14TIANHONG INTELLIGENT MANUFACTURING (TIANJIN) MOLD CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421371420.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-03-14
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

During the injection molding process of existing heat insulation plate molds, due to the high hydraulic pressure, the mold core is prone to deviation, which affects the accuracy of the injection molded parts.

Method used

An inner runner heat insulation plate mold is designed. By setting the lower pressing block, threaded plate and forward and reverse screws inside the mold cover, the lower pressing block is used to extrude the mold core to make it more stable. At the same time, by adding a limit frame and a lock frame on the outside of the mold box, the connection between the mold cover and the mold box is ensured to be closer.

Benefits of technology

It effectively prevents the offset of the mold core during the injection molding process, improves the accuracy and stability of the injection molded parts, and at the same time enhances the connection force between the mold cover and the mold box.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222610306U_ABST
    Figure CN222610306U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of heat insulation plate molds, and particularly relates to an inner runner heat insulation plate mold which comprises a mold box, a mold core is slidably connected to the interior of the mold box, a mold cover is slidably connected to the upper end of the mold box, and two symmetrically-distributed lower pressing blocks are slidably connected to the interior of the mold cover. Threaded plates are fixedly connected to the upper ends of the two lower pressing blocks, a forward and reverse threaded rod is installed in the middle of the upper end of the mold cover through a bearing, a hand wheel is fixedly connected to the upper end of the forward and reverse threaded rod, an auxiliary limiting mechanism is arranged on the mold cover, and limiting frames are hinged to the front face and the back face of the mold box correspondingly; and a locking frame is in contact between the two limiting frames. According to the utility model, the lower pressing block, the threaded plate, the positive and negative screw rod and other structures are additionally arranged in the mold cover, and the lower pressing block can be driven to extrude the mold core through the threaded fit between the positive and negative screw rod and the threaded plate after the mold cover is closed, so that the mold core can be more stable.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of heat insulation board molds, in particular to a heat insulation board mold with an inner flow channel. Background Art

[0002] According to the patent authorization announcement number: CN203621257U, a heat insulation board mold is proposed. The utility model relates to the field of mechanical technology, specifically, a heat insulation board mold. A heat insulation board mold includes a mold body, characterized in that: a guide rib is horizontally provided in the middle of the die on one side of the mold body, and reinforcing ribs are respectively provided on the left and right sides of the guide rib; another die is provided on the mold body on one side of the die, a circular hole is provided in the center of the other die, and another reinforcing rib is respectively provided on the left and right sides of the circular hole. Compared with the prior art, the guide rib is added in the middle of the die of the mold, which plays a role in precise positioning during the feeding process of the progressive die workpiece. At the same time, the reinforcing rib on the guide rib solves the problems of part misalignment and sagging caused by the insufficient strength of the connecting strips of adjacent parts; reinforcing ribs are added at the central connection of the other die, so that the load that the parts can bear becomes larger, the strength between the front and rear parts is increased and sagging is prevented, and the problem of part deformation is fundamentally solved.

[0003] However, during the use of the mold in the prior art, the mold core inside the mold box needs to be limited. However, during the injection molding process, the raw liquid pressure is high, which easily causes the mold core to move, affecting the accuracy of the injection molded part. Utility Model Content

[0004] The utility model aims to provide a heat insulation board mold with an inner flow channel, which solves the problem that the mold core is prone to deviation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an internal flow channel heat insulation board mold, comprising a mold box, a mold core is slidably connected inside the mold box, a mold cover is slidably connected to the upper end of the mold box, two symmetrically distributed lower pressure blocks are slidably connected inside the mold cover, the upper ends of the two lower pressure blocks are fixedly connected to threaded plates, forward and reverse screws are installed on the middle part of the upper end of the mold cover through bearings, the upper ends of the forward and reverse screws are fixedly connected to hand wheels, an auxiliary limiting mechanism is arranged on the mold cover, the front and back sides of the mold box are hingedly connected to limiting frames, a locking frame is in contact with the two limiting frames, a guide rod is fixedly connected to the inside of the mold box, the guide rod is slidably connected to the mold core and the lower pressure blocks, and the limiting frame is in contact with the mold cover.

[0006] Preferably, the threaded plate is slidably connected to the mold cover, the lower pressing block is in contact with the mold core, and the lower pressing block is slidably connected to the mold cover. The lower pressing block can apply downward pressure to the mold core, thereby making the mold core more stable.

[0007] Preferably, the forward and reverse screws are connected to the threaded plate via threads, and the forward and reverse screws are connected to the locking frame via threads, and the forward and reverse screws can drive the threaded plate to move by cooperating with the threads of the threaded plate.

[0008] Preferably, a guide rod is fixedly connected to the upper end of the mold cover, and the guide rod is slidably connected to the locking frame, and the guide rod can limit the movement of the locking frame.

[0009] Preferably, the auxiliary limiting mechanism includes a guide frame, the upper end of the mold cover is fixedly connected to the guide frame, the outer side of the guide frame is slidably connected to an L-shaped frame, the outer side of the L-shaped frame is fixedly connected to a pull ring, the outer side of the guide frame is provided with a spring, the L-shaped frame is slidably connected to the limiting frame, and the L-shaped frame can limit the limiting frame.

[0010] Preferably, one end of the spring is fixedly connected to the guide frame, and the other end of the spring is fixedly connected to the L-shaped frame, and the spring can drive the L-shaped frame to automatically reset through elastic force.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adds structures such as a pressing block, a threaded plate and forward and reverse screws inside the mold cover. After the mold cover is closed, the threads between the forward and reverse screws and the threaded plate can drive the pressing block to extrude the mold core, thereby making the mold core more stable.

[0013] 2. The utility model adds a limit frame on the outside of the mold box and a locking frame on the mold cover. After the mold cover is closed, the threads between the positive and negative screws and the locking frame can be matched to press against the inner side of the limit frame, and the mold cover can be pressed against the top of the mold box by the screws, so that the connection between the mold cover and the mold box can be tighter. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A three-dimensional cross-sectional view of

[0016] Figure 3 For the utility model Figure 1 A three-dimensional diagram of the local structure;

[0017] Figure 4 For the utility model Figure 2 A-section structure enlarged view.

[0018] In the figure: 1. mold box; 2. mold core; 3. mold cover; 4. lower pressure block; 5. threaded plate; 6. forward and reverse screws; 7. hand wheel; 8. auxiliary limiting mechanism; 9. guide rod; 10. locking frame; 11. limiting frame; 12. guide rod; 81. guide frame; 82. L-shaped frame; 83. spring; 84. pull ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 , Figure 2 , Figure 3 A mold for an internal flow channel heat insulation board comprises a mold box 1, a mold core 2 is slidably connected inside the mold box 1, a mold cover 3 is slidably connected to the upper end of the mold box 1, two symmetrically distributed lower pressing blocks 4 are slidably connected inside the mold cover 3, and the upper ends of the two lower pressing blocks 4 are fixedly connected to threaded plates 5, and a forward and reverse screw rod 6 is installed at the middle part of the upper end of the mold cover 3 through a bearing, and a hand wheel 7 is fixedly connected to the upper ends of the forward and reverse screw rods 6. An auxiliary limiting mechanism 8 is arranged on the mold cover 3, and the front and back sides of the mold box 1 are both hingedly connected to a limiting frame 11, and a locking frame 10 is in contact between the two limiting frames 11, and a guide rod 12 is fixedly connected inside the mold box 1, and the guide rod 12 is slidably connected to the mold core 2 and the lower pressing block 4, and the limiting frame 11 is in contact with the mold cover 3.

[0021] See also Figure 1 , Figure 2 , Figure 3 The threaded plate 5 is slidably connected to the mold cover 3, the lower pressing block 4 is in contact with the mold core 2, the lower pressing block 4 is slidably connected to the mold cover 3, the lower pressing block 4 can apply downward pressure on the mold core 2, so that the mold core 2 can be more stable, the forward and reverse screws 6 are connected to the threaded plate 5 by threads, and the forward and reverse screws 6 are connected to the locking frame 10 by threads. The forward and reverse screws 6 can drive the threaded plate 5 to move by the thread cooperation with the threaded plate 5. The upper end of the mold cover 3 is fixedly connected with a guide rod 9, and the guide rod 9 is slidably connected to the locking frame 10, and the guide rod 9 can limit the movement of the locking frame 10.

[0022] See also Figure 1 , Figure 2 , Figure 4The auxiliary limiting mechanism 8 includes a guide frame 81, the upper end of the mold cover 3 is fixedly connected to the guide frame 81, the outer side of the guide frame 81 is slidably connected to an L-shaped frame 82, the outer side of the L-shaped frame 82 is fixedly connected to a pull ring 84, a spring 83 is arranged on the outer side of the guide frame 81, the L-shaped frame 82 is slidably connected to the limiting frame 11, the L-shaped frame 82 can limit the limiting frame 11, one end of the spring 83 is fixedly connected to the guide frame 81, and the other end of the spring 83 is fixedly connected to the L-shaped frame 82, and the spring 83 can drive the L-shaped frame 82 to automatically reset through elastic force.

[0023] The specific implementation process of the utility model is as follows: when in use, after the mold cover 3 is covered on the mold box 1, the pull ring 84 is pulled, and the pull ring 84 drives the L-shaped frame 82 to move and compresses the spring 83, and then the limiting frame 11 is turned vertically. When the limiting frame 11 is vertical, the pull ring 84 is released, and the spring 83 is reset. The spring 83 can drive the L-shaped frame 82 to slide to the outside of the limiting frame 11 through elastic force, so that the limiting frame 11 can be limited. Then, the forward and reverse screws 6 are driven to rotate by the hand wheel 7. During the rotation, the forward and reverse screws 6 can drive the locking frame 10 to press against the inner side of the limiting frame 11 through the threaded cooperation with the locking frame 10. At the same time, the forward and reverse screws 6 apply pressure to the mold cover 3 through the reaction force, which can make the mold cover 3 and the mold box 1 fit more closely. At the same time, the forward and reverse screws 6 drive the lower pressing block 4 to squeeze the mold core 2 through the threaded cooperation with the threaded plate 5, which can make the mold core 2 more stable.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inner flow channel heat insulation board mold, comprising a mold box (1), characterized in that: The mold box (1) is internally slidably connected to a mold core (2), the upper end of the mold box (1) is slidably connected to a mold cover (3), the mold cover (3) is internally slidably connected to two symmetrically distributed lower pressing blocks (4), the upper ends of the two lower pressing blocks (4) are fixedly connected to a threaded plate (5), the middle part of the upper end of the mold cover (3) is equipped with a forward and reverse screw rod (6) through a bearing, the upper ends of the forward and reverse screw rods (6) are fixedly connected to a hand wheel (7), an auxiliary limiting mechanism (8) is arranged on the mold cover (3), the front and back sides of the mold box (1) are both hingedly connected to a limiting frame (11), and a locking frame (10) is in contact between the two limiting frames (11), the mold box (1) is internally fixedly connected to a guide rod (12), the guide rod (12) is slidably connected to the mold core (2) and the lower pressing blocks (4), and the limiting frame (11) is in contact with the mold cover (3).

2. The inner flow channel heat insulation board mold according to claim 1, characterized in that: The threaded plate (5) is slidably connected to the mold cover (3), the lower pressing block (4) is in contact with the mold core (2), and the lower pressing block (4) is slidably connected to the mold cover (3).

3. The inner flow channel heat insulation board mold according to claim 1, characterized in that: The forward and reverse screw rods (6) are connected to the threaded plate (5) via threads, and the forward and reverse screw rods (6) are connected to the locking frame (10) via threads.

4. The inner flow channel heat insulation board mold according to claim 1, characterized in that: The upper end of the mold cover (3) is fixedly connected with a guide rod (9), and the guide rod (9) is slidably connected to the locking frame (10).

5. The inner flow channel heat insulation board mold according to claim 1, characterized in that: The auxiliary limiting mechanism (8) comprises a guide frame (81), the upper end of the mold cover (3) is fixedly connected to the guide frame (81), the outer side of the guide frame (81) is slidably connected to an L-shaped frame (82), the outer side of the L-shaped frame (82) is fixedly connected to a pull ring (84), the outer side of the guide frame (81) is provided with a spring (83), and the L-shaped frame (82) is slidably connected to the limiting frame (11).

6. The inner flow channel heat insulation board mold according to claim 5, characterized in that: One end of the spring (83) is fixedly connected to the guide frame (81), and the other end of the spring (83) is fixedly connected to the L-shaped frame (82).

Citation Information

Patent Citations

  • Heat insulating plate die

    CN203621257U