Automatic mold locking structure for injection mold

Abstract

The utility model discloses an automatic mould locking structure for an injection mould, which comprises a base and an upper mould, a lower mould is fixed above the base, guide posts are fixed at two ends of the base, a cavity is arranged inside the lower mould, a sliding plate is connected above the guide posts in a sliding manner, mould locking components are arranged above the two ends of the base, and the mould locking components are connected with the sliding plate in a sliding manner. And a discharging assembly is mounted in the base. According to the automatic mold locking structure for the injection mold, through use of the mold locking assembly, an air cylinder drives a clamping plate to be clamped into a first open groove of a fixing block and a second open groove of a connecting block, mechanical mold locking can be conducted on an upper mold and a lower mold, the mold locking effect is more stable, and through use of a discharging assembly, the mold locking efficiency is improved; the movable plate can be driven by the servo motor to do threaded motion by rotating the lead screw, so that the first magnet plate gets close to the second magnet plate, and the second magnet plate drives the discharging plate to move upwards according to the principle that like poles repel each other, so that the formed mold core is rapidly discharged.

Description

Technical Field

[0001] The utility model relates to the technical field related to injection molds, in particular to an automatic mold locking structure for injection molds. Background Art

[0002] When the injection mold is in use, in order to prevent the problem of separation of the upper and lower molds during injection molding, it is generally necessary to install a clamping structure on the mold to ensure the stability of the injection mold;

[0003] The existing publication number CN217752617U discloses a locking structure for an injection mold, comprising: a front mold and a rear mold, a rotating block is rotatably provided on the side wall of the front mold, a bow-shaped fixing frame is provided on the rotating block, and a movable latch is provided on the bow-shaped fixing frame. A spring is provided between the bow-shaped fixing frame and the rotating block, the spring is sleeved on the latch, a latch hole is provided on the rear mold, the rotating block can be rotated until the latch is aligned with the latch hole, and the spring can press the latch to pass through the rotating block and insert into the latch hole;

[0004] The above-mentioned locking mechanism has a simple and practical structure and is very easy to operate. The locking pin is inserted into the locking hole under the pressure of the spring, which is both firm and safe. It improves the locking efficiency and reduces the safety hazards of the mold during transportation. However, the locking structure is poor in structural stability when the locking pin and the spring are used in conjunction. At the same time, it is difficult for the above-mentioned locking structure to discharge the core formed inside the device in time, and the use effect is poor. Therefore, we propose an automatic locking structure for injection molds to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide an automatic mold locking structure for an injection mold to solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic mold locking structure for an injection mold, comprising a base and an upper mold, a lower mold is fixed on the top of the base, and guide pillars are fixed at both ends of the base, a cavity is provided inside the lower mold, a sliding plate is slidably connected above the guide pillar, and an upper mold is fixed below the sliding plate, a locking mold assembly is installed above both ends of the base, the locking mold assembly comprises a fixed block, the fixed block is fixed to both ends of the top of the base, and a card slot is provided on the upper surface of the fixed block, a first slot connected to the card slot is provided on the upper side surface of the fixed block, so that the connecting block is snapped into the fixed block, and so that the card plate is snapped into the first slot, a cylinder is fixed at both ends of the fixed block, and a connecting plate is fixed at the output end of the cylinder, a card plate is fixed at the inner end of the connecting plate to facilitate the movement of the connecting plate by the cylinder, so that the connecting plate drives the card plate to extend and retract, and a fixed block is provided with a card plate fixed at both ends below the sliding plate. A connecting block, and a second slot is provided at the bottom of the connecting block, which is convenient for the connecting blocks fixed at both ends of the upper mold to be used in conjunction with the fixed block so as to close the mold of the injection mold. A discharge assembly is installed inside the base, and the discharge assembly includes an opening, and the opening is opened on the side of the base. A servo motor fixed to the surface of the lower mold is arranged on one side of the opening above the base, and a rotating screw is fixed on the output end of the servo motor, and a movable plate is connected to the surface of the rotating screw, and the movable plate is connected to the rotating screw by a threaded connection, and the movable plate and the opening on the side of the base form a sliding connection when engaged, so that the servo motor can drive the movable plate to move in thread by rotating the screw, and a first magnet plate is fixed to the inner end of the movable plate, and the first magnet plate is arranged in a circular shape, and a support ring located at the inner end of the base is arranged above the first magnet plate, and a second magnet plate sliding in the cavity is arranged above the support ring, and a discharge plate is fixed above the second magnet plate.

[0007] Preferably, the connecting block is connected to the fixing block by snap-fitting, and the snap plate on the surface of the connecting plate penetrates the first slot on the front surface of the fixing block and the second slot on the surface of the connecting block.

[0008] By adopting the above technical solution, it is convenient to pass the clamping plate through the first slot and the second slot, so as to lock the mold after the device is molded.

[0009] Preferably, the first magnet plate and the second magnet plate have the same magnetic properties.

[0010] By adopting the above technical solution, the first magnet plate and the second magnet plate which repel each other with the same polarity can be used in coordination so that the discharge plate can discharge the internal molding core.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the injection mold adopts an automatic mold locking structure.

[0012] (1) By using the clamping assembly, the cylinder can drive the clamping plate to clamp into the first slot of the fixed block and the second slot of the connecting block, so that the upper mold and the lower mold can be mechanically clamped, and the clamping effect is more stable;

[0013] (2) Through the use of the discharge assembly, the servo motor can drive the movable plate to perform threaded movement by rotating the screw rod, so that the first magnet plate is close to the second magnet plate. Through the principle of like charges repel each other, the second magnet plate drives the discharge plate to move upward, so as to quickly discharge the molded core. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0015] Figure 2 This is a side view of the structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the side sectional structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection structure between the lower mold and the upper mold of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure in which the first magnet plate of the utility model moves upward.

[0019] In the figure: 1. base; 2. lower mold; 3. cavity; 4. guide column; 5. sliding plate; 6. upper mold; 7. clamping assembly; 701. fixed block; 702. slot; 703. first slot; 704. cylinder; 705. connecting plate; 706. clamping plate; 707. connecting block; 708. second slot; 8. discharge assembly; 801. cavity; 802. servo motor; 803. rotating screw; 804. movable plate; 805. first magnet plate; 806. support ring; 807. second magnet plate; 808. discharge plate. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-5The utility model provides a technical solution: an automatic mold locking structure for an injection mold, comprising a base 1 and an upper mold 6, a lower mold 2 is fixed above the base 1, and guide pillars 4 are fixed at both ends of the base 1, a cavity 3 is provided inside the lower mold 2, a sliding plate 5 is slidably connected above the guide pillar 4, and an upper mold 6 is fixed below the sliding plate 5, a locking assembly 7 is installed above both ends of the base 1, and the locking assembly 7 comprises a fixed block 701, the fixed block 701 is fixed to both ends of the upper part of the base 1, and a card slot 702 is provided on the upper surface of the fixed block 701, a first slot 703 connected to the card slot 702 is provided on the upper side surface of the fixed block 701, so that a connecting block 707 is inserted into the fixed block 701, and a card plate 706 is inserted into the first slot 703, and a cylinder 704 is fixed at both ends of the fixed block 701, and the cylinder A connecting plate 705 is fixed to the output end of 704, and a clamping plate 706 is fixed to the inner end of the connecting plate 705, so that the connecting plate 705 can be driven to move by the cylinder 704, so that the connecting plate 705 can drive the clamping plate 706 to extend and retract. A connecting block 707 fixed to the two ends below the sliding plate 5 is arranged above the fixed block 701, and a second slot 708 is provided below the connecting block 707, so that the connecting blocks 707 fixed to the two ends of the upper mold 6 can be used in conjunction with the fixed block 701 to facilitate the mold closing of the injection mold. The connecting block 707 is connected to the fixed block 701 in a snap-fitting manner, and the clamping plate 706 on the surface of the connecting plate 705 penetrates the first slot 703 on the front surface of the fixed block 701 and the second slot 708 on the surface of the connecting block 707, so that the clamping plate 706 penetrates the first slot 703 and the second slot 708 to facilitate the clamping of the device after the mold closing;

[0022] See also Figure 1-5A discharge assembly 8 is installed inside the base 1, and the discharge assembly 8 includes an opening 801, and the opening 801 is opened on the side of the base 1. A servo motor 802 fixed to the surface of the lower mold 2 is arranged on one side of the opening 801 above the base 1, and a rotating screw 803 is fixed to the output end of the servo motor 802. The surface of the rotating screw 803 is connected with a movable plate 804. The movable plate 804 is connected to the rotating screw 803 in a threaded connection. The movable plate 804 and the opening 801 on the side of the base 1 form a sliding connection when engaged, which facilitates the servo motor 802 to drive the movable plate 804 through the rotating screw 803. 04 thread movement, a first magnet plate 805 is fixed to the inner end of the movable plate 804, and the first magnet plate 805 is arranged in a circular shape, a support ring 806 located at the inner end of the base 1 is arranged above the first magnet plate 805, a second magnet plate 807 sliding inside the cavity 3 is arranged above the support ring 806, and a discharge plate 808 is fixed above the second magnet plate 807, the first magnet plate 805 and the second magnet plate 807 have the same magnetic properties, and the first magnet plate 805 and the second magnet plate 807 can be used in coordination with each other by repelling each other, so that the discharge plate 808 can discharge the internal molding core.

[0023] Working principle: First, when in use, the sliding plate 5 is moved downward to combine the lower mold 6 with the upper mold 2. When the sliding plate 5 moves downward, the connecting block 707 located below the sliding plate 5 on the clamping assembly 7 is inserted into the clamping groove 702 on the upper surface of the fixed block 701. Then, by opening the cylinder 704, the cylinder 704 drives the connecting plate 705 to retract, so that the connecting plate 705 drives the clamping plate 706 to pass through the first slot 703 on the surface of the fixed block 701 and the second slot 708 on the surface of the connecting block 707, so as to facilitate the clamping work between the upper mold 6 and the lower mold 2 and improve the stability of the clamping of the device.

[0024] During discharge, the servo motor 802 on the discharge assembly 8 can be turned on, so that the servo motor 802 drives the movable plate 804 to move in a threaded manner by rotating the screw rod 803, so that the movable plate 804 drives the first magnet plate 805 to move upward. Since the first magnet plate 805 and the second magnet plate 807 are magnets of the same polarity, when the first magnet plate 805 moves, the second magnet plate 807 can move upward inside the cavity 3, so that the second magnet plate 807 drives the discharge plate 808 to move upward, so as to discharge the molding mold and improve the use effect of the device. This is the use principle of the automatic clamping structure for the injection mold.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic mold locking structure for an injection mold, comprising a base (1) and an upper mold (6), characterized in that: A lower mold (2) is fixed above the base (1), and guide pillars (4) are fixed at both ends of the base (1). A cavity (3) is provided inside the lower mold (2). A sliding plate (5) is slidably connected above the guide pillar (4), and an upper mold (6) is fixed below the sliding plate (5). A mold locking assembly (7) is installed above both ends of the base (1). The mold locking assembly (7) comprises a fixed block (701), and the fixed block (701) is fixed at both ends of the upper part of the base (1). A card slot (702) is provided on the upper surface of the fixed block (701), a first slot (703) connected to the card slot (702) is provided on the upper side surface of the fixed block (701), a cylinder (704) is fixed at both ends of the fixed block (701), a connecting plate (705) is fixed at the output end of the cylinder (704), a card plate (706) is fixed at the inner end of the connecting plate (705), and a connecting plate (706) fixed at both ends of the lower side of the sliding plate (5) is provided above the fixed block (701). A block (707) is provided, and a second slot (708) is provided below the connecting block (707). A discharge assembly (8) is installed inside the base (1). The discharge assembly (8) includes an opening (801). The opening (801) is provided on the side of the base (1). A servo motor (802) fixed to the surface of the lower mold (2) is provided above the base (1) and on one side of the opening (801). A rotating screw (803) is fixed to the output end of the servo motor (802). A movable plate (804) is connected to the surface of the rotating screw rod (803), a first magnet plate (805) is fixed to the inner end of the movable plate (804), and the first magnet plate (805) is arranged in a circular shape, a support ring (806) located at the inner end of the base (1) is arranged above the first magnet plate (805), a second magnet plate (807) sliding inside the cavity (3) is arranged above the support ring (806), and a discharge plate (808) is fixed above the second magnet plate (807).

2. The automatic mold clamping structure for injection mold according to claim 1, characterized in that: The connecting block (707) is connected to the fixing block (701) by snap-fitting, and the snap plate (706) on the surface of the connecting plate (705) penetrates the first slot (703) on the front surface of the fixing block (701) and the second slot (708) on the surface of the connecting block (707).

3. The automatic mold clamping structure for injection mold according to claim 1, characterized in that: The movable plate (804) and the rotating screw rod (803) are connected in a threaded manner, and the movable plate (804) and the opening (801) on the side of the base (1) form a sliding connection when engaged.

4. The automatic mold clamping structure for injection mold according to claim 1, characterized in that: The first magnet plate (805) and the second magnet plate (807) have the same magnetic properties.

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