A mold locking mechanism for an injection molding machine

By setting a slot and a moving mechanism between the upper and lower molds of the injection molding machine, and using the engagement of the pins with the slots, the power mechanism drives the bidirectional lead screw to move the pins, which solves the problem that the locking mechanism in the existing technology is difficult to observe and maintain intuitively, and achieves a fast and stable locking effect.

CN223604946UActive Publication Date: 2025-11-28SUZHOU DONGXIONG PRECISION MOLD PLASTICS IND CO LTD
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Patent Information

Application Number
CN202520000625.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-11-28
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

The existing mold clamping mechanism of injection molding machines is difficult to observe in operation, and maintenance and inspection are inconvenient.

Method used

The locking mechanism, consisting of a slot and a moving mechanism, locks the upper and lower molds by engaging the pins with the slots. The power mechanism drives the bidirectional lead screw and lead screw nut to move the pins. The triangular plate and wear-resistant layer enhance stability.

Benefits of technology

It enables intuitive and quick locking of the upper and lower molds, making it convenient to use and extending the service life of the pins.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of injection molding machine mould locking mechanism, including injection molding device;The injection molding device is composed of upper die and lower die, locking mechanism is arranged between the upper die and lower die, the locking mechanism is composed of clamping groove and moving mechanism, two The clamping groove is installed in the lower position of the outer side of adjacent two faces of upper die, two The moving mechanism is installed in the upper position of the outer side of adjacent two faces of lower die, the moving mechanism upper end position is equipped with pin, the pin is inserted into the inside of clamping groove.The utility model opens moving mechanism, moving mechanism will drive pin to move to both sides, pin will cooperate between clamping groove after moving to both sides, upper die and lower die are locked, intuitive and fast can be locked between upper die and lower die by the mode, facilitate use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a locking mechanism technical field, concretely is a kind of injection molding machine locking mechanism. BACKGROUND

[0002] Injection molding machine is also known as injection molding machine or injection machine.It is the main forming equipment of thermoplastic or thermosetting plastic into various shapes of plastic products using plastic forming die.Divided into vertical, horizontal, all-electric type.Injection molding machine needs to use locking mechanism to lock mold when using, it is convenient for injection molding processing.

[0003] China and patent number CN202323063445.8 disclose a kind of injection molding machine locking mechanism, including operation table, the operation table top middle is provided with lower mould, the lower mould top is provided with upper mould, the lower mould left and right top is provided with first strip plate, the upper mould left and right bottom is provided with second strip plate, when upper mould and lower mould are closed, first strip plate and second strip plate are pasted, simultaneously connecting block is fitted in connecting groove, square block is fitted in recess, receiver is corresponding with photoelectric emitter, and receiver receives the signal emitted by photoelectric emitter and signal is transported to controller, controller receives data and controls motor to open, drive screw rotates, limit pipe is deeply inserted into circular hole, so that connecting block is fixed in connecting groove, the locking between upper mould and lower mould is completed, so as to guarantee the stability of the closing of upper mould and lower mould.

[0004] Prior art cannot be observed directly when using the operation of locking mechanism, maintenance and check are very inconvenient. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of injection molding machine locking mechanism to solve the problems in prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of injection molding machine locking mechanism, including injection molding device;The injection molding device is composed of upper mould and lower mould, locking mechanism is arranged between the upper mould and lower mould, the locking mechanism is composed of clamping groove and moving mechanism, two clamping grooves are installed in the position below the outer side of adjacent two faces of upper mould, two moving mechanisms are installed in the position above the outer side of adjacent two faces of lower mould, the moving mechanism upper end position is equipped with spurs, and the spurs are inserted into the inside of clamping groove.

[0007] Preferably, the moving mechanism is composed of a bidirectional screw rod, a screw nut, a mounting box and a power mechanism, the mounting box is mounted on one side of the lower mold, the bidirectional screw rod is rotatably mounted in the mounting box, the screw nut is rotatably mounted at both ends of the bidirectional screw rod, and the bidirectional screw rod is mounted at the front end of the power mechanism.

[0008] Preferably, the power mechanism is composed of a transmission and an electric motor, the transmission is mounted on one side of the mounting box, and the electric motor is mounted at the bottom end of the transmission.

[0009] Preferably, a triangular plate is arranged between the pin and the screw nut, and the triangular plate is mounted at the bottom end of the pin and the upper side of the screw nut.

[0010] Preferably, a wear-resistant layer is arranged on the outer side of the upper end of the pin, and the wear-resistant layer is a chromium plating layer.

[0011] Preferably, a convex head is arranged at the front end of the pin.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The moving mechanism drives the pin to move to both sides, and the pin is locked with the clamping groove after moving to both sides, so that the upper mold and the lower mold are locked, and the upper mold and the lower mold are locked directly and quickly, and the use is convenient.

[0014] 2. The power mechanism starts the electric motor through the switch, and the electric motor drives the transmission to run, and the transmission integrates the rotating speed of the electric motor and outputs.

[0015] 3. The power mechanism drives the bidirectional screw rod to rotate, and the bidirectional screw rod drives the screw nut to move, so that the pin is moved.

[0016] 4. The triangular plate is arranged to support the pin and the screw nut, so that the pin and the screw nut are more stable. DETAILED DESCRIPTION

[0017] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a side view structural schematic view of the utility model;

[0020] Figure 3 It is the structure schematic view of the mobile mechanism of the utility model;

[0021] Figure 4 It is the internal structure schematic view of the mobile mechanism of the utility model.

[0022] In the figure: 1, injection molding device;2, lower mold;3, upper mold;4, locking mechanism;5, clamping groove;6, plug;7, power mechanism;8, motor;9, transmission;10, mobile mechanism;11, wear-resistant layer;12, installation box;13, screw nut;14, triangular plate;15, bidirectional screw rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 In the embodiments of the utility model, an injection molding machine locking mechanism comprises an injection molding device 1;The injection molding device 1 is composed of an upper mold 3 and a lower mold 2, a locking mechanism 4 is arranged between the upper mold 3 and the lower mold 2, the locking mechanism 4 is composed of clamping grooves 5 and mobile mechanisms 10, two clamping grooves 5 are installed at the lower position outside the adjacent two faces of the upper mold 3, two mobile mechanisms 10 are installed at the upper position outside the adjacent two faces of the lower mold 2, a plug 6 is installed at the upper end position of the mobile mechanism 10, and the plug 6 is inserted into the inside of the clamping groove 5.

[0025] The moving mechanism 10 is composed of a bidirectional screw rod 15, a screw nut 13, a mounting box 12 and a power mechanism 7, the mounting box 12 is mounted at one side of the lower die 2, the bidirectional screw rod 15 is rotatably mounted in the mounting box 12, the screw nut 13 is rotatably mounted at both ends of the bidirectional screw rod 15, one end of the bidirectional screw rod 15 is mounted at the front end of the power mechanism 7, the power mechanism 7 is mounted at one side of the mounting box 12, when the moving mechanism 10 is used, the power mechanism 7 is started through a switch, the power mechanism 7 drives the bidirectional screw rod 15 to rotate, the bidirectional screw rod 15 drives the screw nut 13 to move, so that the pin 6 can be moved.

[0026] A triangular plate 14 is arranged between the pin 6 and the screw nut 13, the triangular plate 14 is mounted at the bottom end of the pin 6 and the upper side of the screw nut 13, the triangular plate 14 is arranged to support the pin 6 and the screw nut 13, so that the pin 6 and the screw nut 13 are more stable; a wear-resistant layer 11 is arranged at the outer side of the upper end of the pin 6, the wear-resistant layer 11 is a chromium plating layer, the chromium plating layer used by the wear-resistant layer 11 has strong wear resistance, can reduce the wear of the pin 6 during use, and prolong the service life of the pin 6; a convex head is arranged at the front end of the pin 6, the convex head is arranged to increase the area of the outer side of the upper end of the pin 6, so that the area between the pin 6 and the clamping groove 5 is increased, and the locking mechanism 4 is more stable.

[0027] The working principle and use process of the utility model are as follows: when the locking mechanism 4 is used, after the mold is closed between the upper die 3 and the lower die 2, the pin 6 is inserted into the clamping groove 5, the moving mechanism 10 is started, the moving mechanism 10 drives the pin 6 to move to both sides, the pin 6 is matched with the clamping groove 5 after moving to both sides, and the upper die 3 and the lower die 2 are locked, in this way, the upper die 3 and the lower die 2 can be locked directly and quickly, and the utility model is convenient to use.

[0028] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An injection molding machine clamping mechanism comprising an injection molding device (1); characterized in that: The injection molding device (1) is composed of an upper mold (3) and a lower mold (2), a locking mechanism (4) is arranged between the upper mold (3) and the lower mold (2), the locking mechanism (4) is composed of a clamping groove (5) and a moving mechanism (10), two clamping grooves (5) are installed below the outer side of two adjacent surfaces of the upper mold (3), two moving mechanisms (10) are installed above the outer side of two adjacent surfaces of the lower mold (2), a plug pin (6) is installed at the upper end of the moving mechanism (10), and the plug pin (6) is inserted into the clamping groove (5).

2. A clamp mechanism for an injection molding machine as defined in claim 1, wherein: The moving mechanism (10) is composed of a bidirectional screw rod (15), a screw nut (13), a mounting box (12) and a power mechanism (7), the mounting box (12) is installed on one side of the lower mold (2), the bidirectional screw rod (15) is rotatably installed in the mounting box (12), the screw nut (13) is rotatably installed at both ends of the bidirectional screw rod (15), one end of the bidirectional screw rod (15) is installed at the front end of the power mechanism (7), and the power mechanism (7) is installed on one side of the mounting box (12).

3. A clamp mechanism for an injection molding machine as defined in claim 2 wherein: The power mechanism (7) is composed of a transmission (9) and a motor (8), the transmission (9) is installed on one side of the mounting box (12), and the motor (8) is installed at the bottom end of the transmission (9).

4. A clamp mechanism for an injection molding machine as defined in claim 3, wherein: A triangular plate (14) is arranged between the plug pin (6) and the screw nut (13), and the triangular plate (14) is installed at the bottom end of the plug pin (6) and the upper side of the screw nut (13).

5. A clamp mechanism for an injection molding machine as defined in claim 1, wherein: A wear-resistant layer (11) is arranged on the outer side of the upper end of the plug pin (6), and the wear-resistant layer (11) is a chromium plating layer.

6. A clamp mechanism for an injection molding machine as defined in claim 1, wherein: A convex head is arranged at the front end of the plug pin (6).

Citation Information

Patent Citations

  • Mold locking mechanism of injection molding machine

    CN221562165U