Height-adjustable injection molding part mold

Abstract

The utility model relates to the technical field of injection molding machining, in particular to a height-adjustable injection molding part mold which comprises a motor assembly, an output end of the motor assembly is fixedly connected with an adjusting gear, the adjusting gear is in gear connection with a clamping gear, and a balancing device is arranged in the clamping gear in a sleeved mode. Spring grooves are formed in the upper ends of the hydraulic push rods, balance springs are fixedly connected to the inner end faces of the spring grooves, balance rods are fixedly connected to the upper ends of the balance springs, damping supporting plates are fixedly connected to the upper ends of the balance rods, and injection molds are fixedly connected to the upper end faces of the damping supporting plates; the height-adjustable injection mold has the beneficial effects that the height-adjustable injection mold is provided with the balancing device, so that when the height of the injection mold is adjusted and deflects, the injection mold can be horizontally fixed through balance and stability of the balancing device after the height of the injection mold is adjusted; and uniform and stable filling of the molten plastic in the injection mold is ensured.

Description

Technical Field

[0001] The utility model relates to the field of injection molding, in particular to a height-adjustable injection molding 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. However, when the mold is used, the height may be adjusted according to the characteristics of the injection molding machine.

[0003] Traditional height adjustment devices are usually adjusted by hydraulic devices on both sides. However, during adjustment, the adjustment devices on both sides may be out of sync, causing the injection molding device to tilt, resulting in uneven filling of molten plastic during injection molding, resulting in a large error rate of the injection molded parts. Therefore, the utility model proposes a height-adjustable injection molding mold to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a height-adjustable 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: a height-adjustable injection molding mold, the height-adjustable injection molding mold comprising a motor assembly, the output end of the motor assembly is fixedly connected to an adjusting gear, the adjusting gear is connected to a snap-on gear, a balancing device is provided inside the snap-on gear; a hydraulic push rod, a spring groove is provided at the upper end of the hydraulic push rod, a balancing spring is fixedly connected to the inner end surface of the spring groove, a balancing rod is fixedly connected to the upper end of the balancing spring, a shock-absorbing support plate is fixedly connected to the upper end of the shock-absorbing support plate, and the injection mold is fixedly connected to the upper end surface of the shock-absorbing support plate.

[0006] Preferably, the balancing device comprises a fixed support, the upper end surface of the fixed support is rotatably sleeved with a clamping gear, the clamping gear is sleeved with a keyway screw, and the upper end of the keyway screw is provided with an upper fixing thread.

[0007] Preferably, a lifting thread is provided inside the fixed support, the lifting thread is internally threadedly connected to a key screw, an adjusting thread is provided on the lower side of the key screw, and a lifting thread is correspondingly sleeved outside the adjusting thread.

[0008] Preferably, the lower end surface of the shock-absorbing support plate is fixedly connected with a balance bracket, the middle of the lower end surface of the balance bracket is fixedly connected with a fixed sleeve, a key screw is tightly sleeved in the fixed sleeve, and a snap-in key slot is opened on the side of the key screw.

[0009] Preferably, a fastening thread is provided at the lower inner end of the fixing sleeve, and the fastening thread corresponds to the threaded connection fixing thread.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The height-adjustable injection mold proposed by the utility model is provided with a balancing device, so that when deflection occurs during adjustment of the height of the injection mold, the balancing stability of the balancing device can be used to horizontally fix the injection mold after the height adjustment, thereby ensuring that the molten plastic is filled evenly and stably in the injection mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0013] Figure 2 This is a cross-sectional view of the main structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the partial structure of the utility model;

[0015] Figure 4 It is a partial structural schematic diagram of the utility model.

[0016] In the figure: 1 hydraulic push rod, 2 fixed support, 3 motor assembly, 4 injection mold, 5 shock-absorbing support plate, 6 fixed sleeve, 7 balance rod, 8 balance spring, 9 keyway screw, 10 upper fixed thread, 11 adjusting gear, 12 clamping gear, 13 lifting thread, 14 fastening thread, 15 clamping keyway, 16 adjusting thread. DETAILED DESCRIPTION

[0017] 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.

[0018] Embodiment 1

[0019] See also Figure 1-Figure 4The utility model provides a technical solution: a height-adjustable injection mold, the height-adjustable injection mold comprising a motor assembly 3, the output end of the motor assembly 3 is fixedly connected with an adjusting gear 11, the adjusting gear 11 is gear-connected with a clamping gear 12, and a balancing device is sleeved in the clamping gear 12; a hydraulic push rod 1, a spring groove is opened at the upper end of the hydraulic push rod 1, a balancing spring 8 is fixedly connected to the end surface of the spring groove, a balancing rod 7 is fixedly connected to the upper end of the balancing spring 8, a shock-absorbing support plate 5 is fixedly connected to the upper end of the balancing rod 7, and an injection mold 4 is fixedly connected to the upper end surface of the shock-absorbing support plate 5.

[0020] The motor assembly 3 drives the adjusting gear 11 to rotate, and the adjusting gear 11 drives the engaging gear 12 to rotate through gear transmission, so as to drive the balancing device to realize the balancing effect on the injection mold 4; the hydraulic push rod 1 can realize the lifting effect on the shock-absorbing support plate 5, and the shock-absorbing support plate 5 is used to reduce the influence of the vibration of the hydraulic push rod 1 when it is in use on the injection mold 4. At the same time, the balancing spring 8 is used to support the lifting and lowering of the balancing rod 7, and at the same time, it can realize a certain telescopic adjustment when the hydraulic push rods 1 on both sides are not synchronized, so that the shock-absorbing support plate 5 remains horizontal.

[0021] Embodiment 2

[0022] On the basis of embodiment one, the balancing device includes a fixed support 2, the upper end surface of the fixed support 2 is rotatably sleeved with a clamping gear 12, a keyway screw 9 is clamped inside the clamping gear 12, an upper fixed thread 10 is provided at the upper end of the keyway screw 9, a lifting thread 13 is provided inside the fixed support 2, the lifting thread 13 is threadedly connected to the keyway screw 9, an adjusting thread 16 is provided on the lower side of the keyway screw 9, and a lifting thread 13 is correspondingly sleeved outside the adjusting thread 16.

[0023] When the adjusting gear 11 drives the engaging gear 12 to rotate, the engaging gear 12 drives the keyway screw 9 to rotate. At the same time, under the action of the lifting thread 13, the keyway screw 9 is lifted and lowered.

[0024] Embodiment 3

[0025] On the basis of the second embodiment, the lower end face of the shock-absorbing support plate 5 is fixedly connected to a balancing bracket, and the middle of the lower end face of the balancing bracket is fixedly connected to a fixing sleeve 6, a keyway screw 9 is tightly sleeved in the fixing sleeve 6, a snap-in keyway 15 is provided on the side of the keyway screw 9, and a fastening thread 14 is provided at the lower end of the inner side of the fixing sleeve 6, and the fastening thread 14 corresponds to the fixing thread 10 on the threaded connection.

[0026] When the keyway screw 9 is raised or lowered, the upper fixing thread 10 is raised or lowered to achieve bolt fixation and release of the fastening thread 14. When the hydraulic push rod 1 is out of sync, since the balance bar 7 is supported by springs on both sides to maintain balance and the force is uneven, fixation can be achieved by tightening the keyway screw 9 and the fixing sleeve 6, thereby achieving stable use of the injection mold.

[0027] In actual use, the hydraulic push rod 1 can realize the lifting and lowering effect of the shock-absorbing support plate 5. The shock-absorbing support plate 5 is used to reduce the impact of the vibration of the hydraulic push rod 1 on the injection mold 4 when it is in use. At the same time, the balance spring 8 is used to support the lifting and lowering of the balance rod 7. At the same time, when the hydraulic push rods 1 on both sides are not synchronized, a certain telescopic adjustment can be achieved, so that the shock-absorbing support plate 5 remains horizontal. The motor assembly 3 drives the adjusting gear 11 to rotate, and the adjusting gear 11 drives the clamping gear 12 to rotate through the gear transmission. When the adjusting gear 11 drives the clamping gear 12 to rotate, the clamping gear 12 drives the keyway screw 9 Rotate, and at the same time, under the action of the lifting thread 13, the keyway screw 9 is lifted and lowered. When the keyway screw 9 descends, the upper fixing thread 10 can be bolted with the fastening thread 14. When the hydraulic push rod 1 is out of sync, since the balance bar 7 is supported by springs on both sides to maintain balance and the force is uneven, the keyway screw 9 and the fixing sleeve 6 can be fastened to achieve fixation, and the stable use of the injection mold can be achieved. When it is necessary to adjust the height again, the adjusting gear 11 is controlled to make the keyway screw 9 rise, which can be contacted and locked, and then the height is adjusted by adjusting the hydraulic push rod 1.

[0028] 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. A height-adjustable injection mold, characterized in that: The height-adjustable injection mold comprises: A motor assembly (3), wherein an output end of the motor assembly (3) is fixedly connected to an adjusting gear (11), the adjusting gear (11) is gear-connected to a clamping gear (12), and a balancing device is sleeved inside the clamping gear (12); A hydraulic push rod (1), wherein a spring groove is provided at the upper end of the hydraulic push rod (1), a balance spring (8) is fixedly connected to the inner end surface of the spring groove, a balance rod (7) is fixedly connected to the upper end of the balance spring (8), a shock-absorbing support plate (5) is fixedly connected to the upper end of the balance rod (7), and an injection mold (4) is fixedly connected to the upper end surface of the shock-absorbing support plate (5).

2. The height-adjustable injection mold according to claim 1, characterized in that: The balancing device comprises a fixed support (2), the upper end surface of the fixed support (2) is rotatably sleeved with a clamping gear (12), the clamping gear (12) is sleeved with a keyway screw (9), and the upper end of the keyway screw (9) is provided with an upper fixing thread (10).

3. The height-adjustable injection mold according to claim 2, characterized in that: A lifting thread (13) is provided inside the fixed support (2), the lifting thread (13) is internally threadedly connected to a keyway screw (9), an adjusting thread (16) is provided on the lower side of the keyway screw (9), and a lifting thread (13) is correspondingly sleeved outside the adjusting thread (16).

4. The height-adjustable injection mold according to claim 1, characterized in that: The lower end surface of the shock-absorbing support plate (5) is fixedly connected to a balancing bracket, and the middle of the lower end surface of the balancing bracket is fixedly connected to a fixing sleeve (6), a keyway screw (9) is tightly sleeved in the fixing sleeve (6), and a clamping keyway (15) is provided on the side of the keyway screw (9).

5. The height-adjustable injection mold according to claim 4, characterized in that: A fastening thread (14) is provided at the lower inner end of the fixing sleeve (6), and the fastening thread (14) is correspondingly threadedly connected to the fixing thread (10).

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