Anti-deviation positioning guide mechanism for injection mold

By designing an anti-bias positioning guide mechanism in the injection mold, using a hydraulic motor and an offset power cut device to detect and disconnect the power supply, the molding accuracy problem caused by positioning offset during the injection molding process is solved, and a higher injection molding accuracy is achieved.

CN222360536UActive Publication Date: 2025-01-17SHENZHEN SANPIN MEDICAL PRECISION INJECTION MOLDING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420324996.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-21
Publication Date
2025-01-17
Estimated Expiration
2034-02-21

AI Technical Summary

Technical Problem

The positioning device of traditional injection molds is prone to deviation during the injection molding process, resulting in a decrease in molding accuracy.

Method used

An anti-bias positioning guide mechanism for injection molds is designed, including hydraulic motors, hydraulic rods, hydraulic push plates, injection molding push rods and offset power failure devices. The offset power failure device detects offset and automatically cuts off to prevent injection molding. The machine continues to work.

Benefits of technology

Ensure the accuracy of the injection molding product, prevent molding errors caused by offset, and improve the accuracy of the injection molding process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222360536U_ABST
    Figure CN222360536U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of mold injection molding, in particular to an anti-deviation positioning guide mechanism for an injection mold, which comprises a hydraulic motor, a hydraulic rod fixedly connected to the output end of the hydraulic motor, a hydraulic push plate fixedly connected to the tail end of the hydraulic rod, and an injection molding push rod fixedly connected to the inner end of the hydraulic push plate. The front end of the upper end surface of the injection push rod is fixedly connected with an offset outage device; the anti-deviation positioning guide mechanism for the injection mold has the beneficial effects that the deviation power-off device is arranged, so that the injection molding machine can be detected in time when deviating during injection molding, the hydraulic device is automatically powered off, the injection molding machine is prevented from continuously working, and the precision of an injection molding product is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of mold injection, in particular to an anti-deviation positioning guide mechanism for an injection mold. Background Art

[0002] Injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the mold cavity. When the injection molding machine injects the mold, the injection molding device needs to be positioned to prevent deviation.

[0003] Traditional positioning devices are usually positioned by positioning guide rods, which may still deviate during positioning and continue injection molding under the push of the hydraulic device, resulting in certain errors in the injection mold and reducing the molding accuracy of the mold. Therefore, the utility model proposes an anti-bias positioning guide mechanism for injection molds to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an anti-bias positioning guide mechanism for an injection mold to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-bias positioning and guiding mechanism for an injection mold, the anti-bias positioning and guiding mechanism for an injection mold comprising: a hydraulic motor, a hydraulic rod fixedly connected to the output end of the hydraulic motor, a hydraulic push plate fixedly connected to the end of the hydraulic rod, an injection push rod fixedly connected to the inner end of the hydraulic push plate, and an offset power-off device fixedly connected to the front end of the upper end face of the injection push rod.

[0006] Preferably, the offset power-off device comprises an offset block, the front end of the offset block is arc-shaped, the front end of the offset block is tightly butted with a receiving block, and butt-jointing wires are respectively sleeved in the offset block and the receiving block, and the butt-jointing wires are butt-jointed with each other.

[0007] Preferably, push plates are fixedly connected to both sides of the rear end of the offset block, a propulsion spring is fixedly connected to the outer end surface of the push plate, and the end of the propulsion spring is fixedly connected to the inner end of the hydraulic push plate.

[0008] Preferably, a calibration guide rod is sleeved inside the propulsion spring, and one end of the calibration guide rod is fixedly connected to the inner end surface of the hydraulic push plate.

[0009] Preferably, a limiting hole is provided on the end surface of the push plate, and a calibration guide rod is sleeved in the limiting hole.

[0010] Preferably, the butt-jointed wire is connected to a connecting wire at the end of the offset block, and the end of the connecting wire is electrically connected to a hydraulic motor.

[0011] Preferably, the butt-jointing wire is connected to a connecting wire at the end of the receiving block, and the end of the connecting wire is butt-jointed to a power source.

[0012] Preferably, the upper end surface of the injection molding push rod is provided with a push groove, and the sliding clamping sleeve in the push groove is provided with an offset block.

[0013] Preferably, limiting guide rods are correspondingly sleeved at the four corners of the end surface of the hydraulic push plate, and the limiting guide rods are fixedly connected to the front end of the injection mold.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The anti-deviation positioning guide mechanism for the injection mold proposed by the utility model can detect the deviation of the injection molding machine in time by setting the deviation power-off device during injection molding, and automatically cut off the power to the hydraulic device to prevent the injection molding machine from continuing to work, thereby ensuring the accuracy of the injection molded product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 for Figure 1 The enlarged schematic diagram at A in the middle;

[0018] Figure 3 It is a schematic diagram of the partial structure of the utility model;

[0019] Figure 4 It is a schematic diagram of partial structural connection of the utility model.

[0020] In the figure: 1 injection mold, 2 hydraulic rod, 3 connecting wire, 4 receiving block, 5 offset block, 6 proofreading guide rod, 7 pushing spring, 8 push plate, 9 pushing slide, 10 docking wire, 11 hydraulic motor, 12 hydraulic push plate, 13 limit guide rod, 14 injection push rod. DETAILED DESCRIPTION

[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0022] Embodiment 1

[0023] See also Figure 1-Figure 4 The utility model provides a technical solution: an anti-bias positioning guide mechanism for an injection mold, the anti-bias positioning guide mechanism for an injection mold comprises: a hydraulic motor 11, the output end of the hydraulic motor 11 is fixedly connected to a hydraulic rod 2, the end of the hydraulic rod 2 is fixedly connected to a hydraulic push plate 12, the inner end of the hydraulic push plate 12 is fixedly connected to an injection push rod 14, the front end of the upper end face of the injection push rod 14 is fixedly connected to an offset power-off device, and the four corners of the end face of the hydraulic push plate 12 are correspondingly sleeved with limiting guide rods 13, the limiting guide rods 13 are fixedly connected to the front end of the injection mold 1, and the limiting guide rods 13 can accurately position and push the hydraulic push plate 12.

[0024] Embodiment 2

[0025] On the basis of embodiment 1, the offset power-off device includes an offset block 5, the front end of the offset block 5 is arc-shaped, and the front end of the offset block is tightly connected to the receiving block 4. The offset block 5 and the receiving block 4 are respectively sleeved with docking wires 10, and the docking wires 10 are butt-jointed with each other. Push plates 8 are fixedly connected to the outer end surface of the push plate 8. The end of the push spring 7 is fixedly connected to the inner end of the hydraulic push plate 12. A proofreading guide rod 6 is sleeved in the propulsion spring 7. One end of the proofreading guide rod 6 is fixedly connected to the inner end surface of the hydraulic push plate 12. A limiting hole is provided on the end surface of the push plate 8, and a proofreading guide rod 6 is sleeved in the limiting hole. A propulsion groove 9 is provided on the upper end surface of the injection molding push rod 14. The sliding card sleeve in the propulsion groove 9 is provided with an offset block 5. When the hydraulic push plate 12 pushes, it is tightly docked with the receiving block 4 under the action of the propulsion spring 7 and the proofreading guide rod 6. When the injection molding push rod 14 bends, the offset block 5 will be driven to deflect, so that the docking wire 10 is disconnected.

[0026] Embodiment 3

[0027] On the basis of the second embodiment, the docking wire 10 is connected to the connecting wire 3 at the end of the offset block 5, and the end of the connecting wire 3 is electrically connected to the hydraulic motor 11. The docking wire 10 is connected to the connecting wire 3 at the end of the receiving block 4, and the end of the connecting wire 3 is connected to the power supply. When the docking wire 10 is stably docked, the operation of the injection push rod 14 will not affect the operation of the hydraulic motor 11. When the injection push rod 14 is offset, the operation of the hydraulic motor 11 can be stopped.

[0028] In actual use, the front end of the offset block 5 is arc-shaped, and the front end of the offset block is closely connected to the receiving block 4. The offset block 5 and the receiving block 4 are respectively sleeved with a docking wire 10, and the docking wires 10 are butt-jointed with each other. Push plates 8 are fixedly connected to the outer end surface of the push plate 8. The end of the push spring 7 is fixedly connected to the inner end of the hydraulic push plate 12. A proofreading guide rod 6 is sleeved in the propulsion spring 7. One end of the proofreading guide rod 6 is fixedly connected to the inner end surface of the hydraulic push plate 12. A limit hole is provided on the end surface of the push plate 8, and a proofreading guide rod 6 is sleeved in the limit hole. A propulsion slide groove 9 is provided on the upper end surface of the injection molding push rod 14, and a sliding card sleeve is provided with an offset block in the propulsion slide groove 9. 5. When the hydraulic push plate 12 pushes, it is tightly docked with the receiving block 4 under the action of the propulsion spring 7 and the proofreading guide rod 6. When the injection molding push rod 14 bends, the offset block 5 will be driven to deflect, so that the docking wire 10 is disconnected. The docking wire 10 is connected to the connecting wire 3 at the end of the offset block 5, and the end of the connecting wire 3 is electrically connected to the hydraulic motor 11. The docking wire 10 is connected to the connecting wire 3 at the end of the receiving block 4, and the end of the connecting wire 3 is connected to the power supply. When the docking wire 10 is stably docked, the operation of the injection molding push rod 14 will not affect the operation of the hydraulic motor 11. When the injection molding push rod 14 is offset, the operation of the hydraulic motor 11 can be stopped.

[0029] 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 anti-deflection positioning guide mechanism for an injection mold, characterized in that: The anti-bias positioning guide mechanism for the injection mold comprises: A hydraulic motor (11), wherein the output end of the hydraulic motor (11) is fixedly connected to a hydraulic rod (2), the end of the hydraulic rod (2) is fixedly connected to a hydraulic push plate (12), the inner end of the hydraulic push plate (12) is fixedly connected to an injection molding push rod (14), and the front end of the upper end of the injection molding push rod (14) is fixedly connected to an offset power-off device.

2. The anti-deflection positioning guide mechanism for an injection mold according to claim 1, characterized in that: The offset power-off device comprises an offset block (5), the front end of the offset block (5) is arc-shaped, the front end of the offset block is tightly butted with a receiving block (4), butt-jointing wires (10) are respectively sleeved in the offset block (5) and the receiving block (4), and the butt-jointing wires (10) are butt-jointed with each other.

3. The anti-deflection positioning guide mechanism for an injection mold according to claim 2, characterized in that: Push plates (8) are fixedly connected to both sides of the rear end of the offset block (5), and a propulsion spring (7) is fixedly connected to the outer end surface of the push plate (8), and the end of the propulsion spring (7) is fixedly connected to the inner end of the hydraulic push plate (12).

4. The anti-deflection positioning guide mechanism for an injection mold according to claim 3, characterized in that: A calibration guide rod (6) is sleeved inside the propulsion spring (7), and one end of the calibration guide rod (6) is fixedly connected to the inner end surface of the hydraulic push plate (12).

5. The anti-deflection positioning guide mechanism for injection mold according to claim 3, characterized in that: The end surface of the push plate (8) is provided with a limiting hole, and a calibration guide rod (6) is sleeved in the limiting hole.

6. The anti-deflection positioning guide mechanism for an injection mold according to claim 2, characterized in that: The butt-jointed wire (10) is connected to a connecting wire (3) at the end of the offset block (5), and the end of the connecting wire (3) is electrically connected to a hydraulic motor (11).

7. The anti-deflection positioning guide mechanism for an injection mold according to claim 2, characterized in that: The butt-jointed wire (10) is connected to a connecting wire (3) at the end of the receiving block (4), and the end of the connecting wire (3) is butt-jointed to a power source.

8. The anti-deflection positioning guide mechanism for an injection mold according to claim 1, characterized in that: The upper end surface of the injection molding push rod (14) is provided with a push-in slide groove (9), and a sliding clamping sleeve is provided with an offset block (5) in the push-in slide groove (9).

9. The anti-deflection positioning guide mechanism for an injection mold according to claim 1, characterized in that: Limiting guide rods (13) are correspondingly sleeved at the four corners of the end surface of the hydraulic push plate (12), and the limiting guide rods (13) are fixedly connected to the front end of the injection mold (1).