Injection molding machine feeding device for injection molding part production

Abstract

The utility model relates to the technical field of injection molding processing, in particular to an injection molding machine feeding device for injection molding part production, which comprises a transmission motor, the output end of the transmission motor is fixedly connected with a feeding rod, and the tail end of the feeding rod is fixedly connected with a friction rotating rod; the inner end of the injection molding pipe is fixedly connected with a fixing support, the lower end face of the inner side of the fixing support is fixedly connected with an elastic pull rod, the lower end of the elastic pull rod is fixedly connected with a sliding clamping groove, and a sealing device is arranged in the sliding clamping groove in a sleeved mode. The feeding device of the injection molding machine for producing the injection molding parts has the beneficial effects that the sealing device is arranged, so that the pipe orifice of the injection molding pipe can be sealed when the injection molding machine stops rotating, the flowing-out of molten plastic can be blocked when the injection molding machine pauses or stops conveying, the molding quality of the injection molding parts is ensured, and meanwhile, when the injection molding is finished, the injection molding parts are placed, so that the production efficiency of the injection molding parts is improved. Impurities can be prevented from entering from an injection molding pipe opening, and the subsequent injection molding quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of injection molding, in particular to an injection molding machine feeding device for producing injection molded parts. 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 is used, a feeding device is required to convey the molten plastic.

[0003] When a traditional feeding device is conveying molten plastic, some of the molten plastic may flow out when the transmission stops, which may cause rough injection molding of the injection molded parts. At the same time, when the injection molding is completed and placed, impurities may enter from the nozzle of the injection molding pipe, affecting subsequent use. Therefore, the utility model proposes a feeding device for an injection molding machine for producing injection molded parts to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a feeding device for an injection molding machine used in the production of injection molded parts, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a feeding device for an injection molding machine for producing injection molded parts, the feeding device for an injection molding machine for producing injection molded parts comprising: a transmission motor, the output end of the transmission motor is fixedly connected to a feeding rod, the end of the feeding rod is fixedly connected to a friction rotating rod; an injection molding tube, the inner end of the injection molding tube is fixedly connected to a fixed bracket, the inner lower end surface of the fixed bracket is fixedly connected to an elastic retractable rod, the lower end of the elastic retractable rod is fixedly connected to a sliding clamping groove, and a sealing device is provided inside the sliding clamping groove.

[0006] Preferably, the sealing device comprises a transverse plate, the lower end shaft of the transverse plate is connected to a connecting shaft, the upper end face shaft on the front side of the connecting shaft is connected to a piston rod, and the front end of the piston rod is fixedly connected to a sealing plug.

[0007] Preferably, a piston support rod is fixedly connected to the front end of the fixed bracket, and a piston rod is sleeved on the outer side of the piston support rod.

[0008] Preferably, the upper end of the transverse moving plate is fixedly connected with a friction plate, and the upper end of the friction plate is contact-connected with a friction rotating rod.

[0009] Preferably, a friction plate is slidably connected to the inner side of the sliding card slot, a transverse plate is fixedly connected to the lower end of the friction plate, displacement springs are fixedly connected to both end surfaces of the transverse plate, and the end of the displacement spring is fixedly connected to the inner end of the injection tube.

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

[0011] The utility model discloses an injection molding machine feeding device for producing injection molded parts, which is provided with a sealing device, so that the injection molding pipe mouth can be sealed when the injection molding machine stops, thereby blocking the outflow of molten plastic when the injection molding machine pauses or stops transmitting, thereby ensuring the molding quality of the injection molded parts, and at the same time, when the injection molding is completed and placed, it can prevent impurities from entering from the injection molding pipe mouth, thereby ensuring the quality of subsequent injection molding. 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 bottom side view of the main structure of the utility model;

[0014] Figure 3 for Figure 2 The enlarged schematic diagram at A in the middle;

[0015] Figure 4 It is a schematic diagram of the connection of some structures of the utility model;

[0016] Figure 5 It is a partial structural schematic diagram of the utility model.

[0017] In the figure: 1 transmission motor, 2 injection tube, 3 feeding rod, 4 sealing plug, 5 fixing bracket, 6 piston rod,

[0018] 7 displacement spring, 8 transverse plate, 9 connecting shaft, 10 piston support rod, 11 friction rotating rod, 12 sliding clamping groove, 13 friction plate, 14 elastic retracting rod. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1

[0021] See also Figure 1-Figure 5The utility model provides a technical solution: a transmission motor 1, a feeding rod 3 is fixedly connected to the output end of the transmission motor 1, and a friction rotating rod 11 is fixedly connected to the end of the feeding rod 3; an injection molding tube 2, a fixed bracket 5 is fixedly connected to the inner end of the injection molding tube 2, an elastic retracting rod 14 is fixedly connected to the lower end surface of the inner side of the fixed bracket 5, and a sliding clamping groove 12 is fixedly connected to the lower end of the elastic retracting rod 14, and a sealing device is provided inside the sliding clamping groove 12.

[0022] The transmission motor 1 drives the feeding rod 3 to rotate. The rotation of the feeding rod 3 can be used to transmit molten plastic. The sealing device can seal the tube mouth of the injection tube 2 when the feeding rod 3 stops rotating.

[0023] Embodiment 2

[0024] On the basis of embodiment 1, the sealing device includes a transverse plate 8, the lower end of the transverse plate 8 is connected to a connecting shaft 9, the upper end face of the connecting shaft 9 is connected to a piston rod 6, the front end of the piston rod 6 is fixedly connected to a sealing plug 4, the front end of the fixed bracket 5 is fixedly connected to a piston support rod 10, the piston support rod 10 is sleeved with a piston rod 6 on the outside, the upper end of the transverse plate 8 is fixedly connected to a friction plate 13, and the upper end of the friction plate 13 is contact-connected to a friction rotating rod 11.

[0025] When the feeding rod 3 rotates, it drives the friction rotating rod 11, and the elastic pulling rod 14 brings the friction plate 13 into close contact with the friction rotating rod 11. The friction rotating rod 11 causes the transverse displacement of the transverse plate 8. Under the action of the connecting shaft 9, the piston rod 6 is retracted along the piston support rod 10, so that the sealing plug 6 releases the seal on the tube mouth of the injection tube 2.

[0026] Embodiment 3

[0027] On the basis of the second embodiment, a friction plate 13 is slidably engaged inside the sliding engagement groove 12, a transverse plate 8 is fixedly connected to the lower end of the friction plate 13, displacement springs 7 are fixedly connected to both end surfaces of the transverse plate 8, and the end of the displacement spring 7 is fixedly connected to the inner end of the injection tube 2.

[0028] The sliding friction force of the friction rotating rod 11 on the friction plate 13 is equal to the elastic force of the displacement spring 7, that is, the displacement spring 7 can have a certain length change, that is, the transverse plate 8 is displaced. At the same time, when the rotation stops, the transverse plate 8 is pushed back under the action of the displacement spring 7, so that the sealing plug 4 seals the pipe mouth of the injection tube 2.

[0029] During actual use, the transmission motor 1 drives the feeding rod 3 to rotate, and the rotation of the feeding rod 3 can be used to transmit molten plastic. When the feeding rod 3 rotates, it drives the friction rotating rod 11, and the elastic pulling rod 14 makes the friction plate 13 close to the friction rotating rod 11. The friction rotating rod 11 causes the transverse plate 8 to move laterally. Under the action of the connecting shaft 9, the piston rod 6 is retracted along the piston support rod 10, so that the sealing plug 6 releases the seal on the tube mouth of the injection molding tube 2. The sliding friction force of the friction rotating rod 11 on the friction plate 13 is equal to the elastic force of the displacement spring 7, that is, the displacement spring 7 can have a certain length change, that is, the transverse plate 8 is displaced, and at the same time, when the rotation stops, the transverse plate 8 is pushed back under the action of the displacement spring 7, so that the sealing plug 4 seals the tube mouth of the injection molding tube 2.

[0030] 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 feeding device for an injection molding machine for producing injection molded parts, characterized in that: The injection molding machine feeding device for producing injection molded parts comprises: A transmission motor (1), wherein the output end of the transmission motor (1) is fixedly connected to a feeding rod (3), and the end of the feeding rod (3) is fixedly connected to a friction rotating rod (11); An injection tube (2), the inner end of the injection tube (2) is fixedly connected to a fixed bracket (5), the inner lower end surface of the fixed bracket (5) is fixedly connected to an elastic retractable rod (14), the lower end of the elastic retractable rod (14) is fixedly connected to a sliding card slot (12), and a sealing device is provided inside the sliding card slot (12).

2. The feeding device for an injection molding machine for producing injection molded parts according to claim 1, characterized in that: The sealing device comprises a transverse plate (8), the lower end rotation axis of the transverse plate (8) is connected to a connecting rotation axis (9), the upper end surface rotation axis of the front side of the connecting rotation axis (9) is connected to a piston rod (6), and the front end of the piston rod (6) is fixedly connected to a sealing plug (4).

3. The feeding device for an injection molding machine for producing injection molded parts according to claim 1, characterized in that: The front end of the fixed bracket (5) is fixedly connected to a piston support rod (10), and a piston rod (6) is sleeved on the outer side of the piston support rod (10).

4. The feeding device for an injection molding machine for producing injection molded parts according to claim 2, characterized in that: The upper end of the transverse shifting plate (8) is fixedly connected to a friction plate (13), and the upper end of the friction plate (13) is contact-connected to a friction rotating rod (11).

5. The feeding device for an injection molding machine for producing injection molded parts according to claim 1, characterized in that: A friction plate (13) is slidably engaged with the inner side of the sliding engagement groove (12); the lower end of the friction plate (13) is fixedly connected to a transverse plate (8); both end surfaces of the transverse plate (8) are fixedly connected to displacement springs (7); and the end of the displacement spring (7) is fixedly connected to the inner end of the injection molding tube (2).

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