Quick-connection injection molding nozzle

Abstract

The utility model discloses a quick-connection injection molding nozzle which comprises an injection molding machine conveying barrel, an injection molding machine nozzle and a quick-connection assembly, the quick connecting assembly comprises a hoop movably installed at the outer end of the injection molding machine conveying barrel. According to the quick-connection injection molding nozzle disclosed by the utility model, the injection molding machine nozzle mounted at the front end of the injection molding machine conveying barrel can be directly pulled out from the front end of the injection molding machine conveying barrel after short-range external screwing adjustment of the adjusting screws on the two sides of the hoop, so that the injection molding machine nozzle can be quickly disassembled and connected in use, the downtime of an injection molding machine is shortened, and the production efficiency is improved. The injection molding machine nozzle can be replaced and maintained more conveniently while the production efficiency is improved, and after the injection molding machine nozzle is connected to the front end of the injection molding machine conveying barrel, positioning pieces on the two sides of a fixing ring on the injection molding machine nozzle can be positioned with positioning grooves in the two sides of a clamp, so that the injection molding machine nozzle is more convenient to use. And therefore, the pressing position after the injection molding machine nozzle is installed is quickly positioned, and the rapidness and the accuracy in the injection molding machine nozzle installation are improved.

Description

TECHNICAL FIELD

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

[0002] Injection molding nozzle is the transition part connecting injection molding machine cylinder and mould, mainly responsible for the molten plastic material from cylinder to mould, it is the important component of injection system, with temperature control, material break, back pressure when establishing storage, gas removal, prevent plastic melt flow, improve plasticizing capacity and metering degree and other functions.

[0003] The connection between the existing injection molding nozzle and the injection molding machine cylinder is mostly a threaded connection structure. Although the threaded connection structure has good stability and sealing, the connection process is relatively slow, and it is not convenient to twist after long-term use. Therefore, when the injection molding nozzle is blocked or needs to be maintained, there is a problem of not being able to quickly disassemble and subsequently install and connect. To solve this problem, we propose a fast connection injection molding nozzle. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.

[0005] To this end, the utility model adopts the following technical scheme:

[0006] A fast connection injection molding nozzle, comprising: an injection molding machine feed cylinder, an injection molding machine nozzle, and a fast connection assembly; the fast connection assembly includes a clamp movably installed at the outer end of the injection molding machine feed cylinder, a clamping groove formed through both sides of the clamp, a tooth pressure plate movably installed in the clamping groove, a fixed ring fixedly installed at the outer end of the injection molding machine nozzle, a tooth plate fixedly installed on both sides of the fixed ring, and a positioning piece fixedly installed on both sides of the fixed ring.

[0007] Preferably, a restraint ring is movably installed at the center of one side of the tooth pressure plate.

[0008] Preferably, a fixed cover is fixedly installed at the center of one side of the tooth pressure plate, and the fixed cover is outside the restraint ring.

[0009] Preferably, an adjusting screw is fixedly connected to the outer end of the restraint ring.

[0010] Preferably, a threaded hole is formed in both sides of the clamp, and the adjusting screw is installed in the threaded hole.

[0011] Preferably, a positioning groove is formed in both sides of the clamp, and the positioning piece is matched with the positioning groove.

[0012] Preferably, the tooth pressure plate and the tooth plate are meshed.

[0013] By adopting the technical scheme, the utility model has the beneficial effects of:

[0014] 1、The utility model discloses a injection molding machine nozzle is installed to the front end of injection molding machine conveying cylinder, can be directly pulled out after the short -range outside screwing adjustment of the adjusting screw of the both sides of the clamp, thereby with the quick disassembly and assembly connection of injection molding machine nozzle use, reduce injection molding machine downtime, improve production efficiency, also can make the replacement and maintenance of injection molding machine nozzle become more convenient.

[0015] 2、The utility model discloses a injection molding machine nozzle is connected in the front end of injection molding machine conveying cylinder, and the positioning sheet of fixed ring both sides on the injection molding machine nozzle can also be positioned with the positioning groove of the both sides of the clamp, thereby the pressing position of quick positioning injection molding machine nozzle installation, thereby improve the quick precision in injection molding machine nozzle installation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the overall structural drawing of the utility model;

[0017] Fig. 2 It is the disassembly drawing of the injection molding machine nozzle of the utility model;

[0018] Fig. 3 It is the local side sectional view of the utility model clamp.

[0019] Reference signs:

[0020] 100, injection molding machine conveying cylinder;

[0021] 200, injection molding machine nozzle;

[0022] 300, quick -connect component; 301, clamp; 302, clamping groove; 303, tooth pressure plate; 304, fixed ring; 305, tooth plate; 306, positioning sheet; 307, restraint ring; 308, fixed cover; 309, adjusting screw; 310, threaded hole; 311, positioning groove. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be explained that the embodiment of the utility model and the features in the embodiment can be combined mutually in the case of not conflicting.

[0024] Some embodiments of the utility model are described below in combination with the drawings to provide a quick -connect injection molding nozzle.

[0025] Embodiment one:

[0026] In combination with Figs. 1-3The utility model provides a kind of quick connection injection nozzle shown, including: injection molding machine feed cylinder 100, injection molding machine nozzle 200, quick connection component 300;Quick connection component 300 includes the clamp 301 of injection molding machine feed cylinder 100 outer end movable installation, the clamping groove 302 that is penetrated and is set in both sides of clamp 301, the tooth pressure plate 303 that is movably installed in clamping groove 302, the fixed ring 304 of injection molding machine nozzle 200 outer end fixed installation, the tooth plate 305 of fixed ring 304 both sides are fixedly installed, the positioning sheet 306 of fixed ring 304 both sides are fixedly installed, tooth pressure plate 303 one side central place is also movably installed with restraint ring 307, tooth pressure plate 303 one side central place is also fixedly installed with fixed cover 308, and fixed cover 308 is at restraint ring 307 outside, restraint ring 307 outer end is also fixedly connected with adjusting screw 309, clamp 301 both sides are also provided with threaded hole 310, and adjusting screw 309 is installed in threaded hole 310, clamp 301 both sides are also provided with positioning groove 311, and positioning sheet 306 and positioning groove 311 are matched between, tooth pressure plate 303 and tooth plate 305 are meshed connection.

[0027] Specifically, injection molding machine nozzle 200 is the transition part connecting injection molding machine feed cylinder 100 and mold, mainly responsible for conveying molten plastic material from the barrel to the mold;The injection molding machine nozzle 200 installed at the front end of the injection molding machine feed cylinder 100 can be directly pulled out through the front end of the injection molding machine feed cylinder 100 after the adjusting screw 309 on both sides of the clamp 301 is quickly and short-range externally adjusted, so as to facilitate the quick disassembly and connection of the injection molding machine nozzle 200 in use, reduce the downtime of the injection molding machine, improve the production efficiency, and also make the replacement and maintenance of the injection molding machine nozzle 200 more convenient, and after the injection molding machine nozzle 200 is connected to the front end of the injection molding machine feed cylinder 100, the positioning sheet 306 on both sides of the fixed ring 304 on the injection molding machine nozzle 200 can also be positioned with the positioning groove 311 on both sides of the clamp 301, so as to quickly position the compression position after the injection molding machine nozzle 200 is connected, so as to improve the quick and accurate installation of the injection molding machine nozzle 200, the tooth pressure plate 303 driven by the adjusting screw 309 in the clamp 301 mainly compresses and engages the outer end of the tooth plate 305 after the injection molding machine nozzle 200 is installed, so as to ensure the stability of the injection molding machine nozzle 200 after installation, the restraint ring 307 on the outer end of the fixed cover 308 at the bottom of the adjusting screw 309 is mainly used for independent rotation in the rotation of the adjusting screw 309, so as to accurately adjust the tooth pressure plate 303 in the clamping groove 302, so as to ensure more accurate engagement with the outer end of the tooth plate 305.

[0028] The working principle and use process of the utility model:

[0029] When the injection molding machine nozzle 200 at the front end of the injection molding machine feed barrel 100 is connected, first insert the injection molding machine nozzle 200 into the front end of the injection molding machine feed barrel 100, and ensure that the toothed plate 305 on both sides of the injection molding machine nozzle 200 is in the clamping groove 302 on both sides of the clamp 301, continuously move the injection molding machine nozzle 200 inward, after the injection molding machine nozzle 200 is moved inward to the both-end positioning piece 306 completely matches to the inside of the positioning groove 311 on both sides of the clamp 301, keep the injection molding machine nozzle 200 still, and internally screw the adjusting screw 309 on both sides of the clamp 301, after the short-range internal screwing of the adjusting screw 309, it will tightly press the inner end tooth pressure plate 303 to the outer end of the toothed plate 305, and ensure the engagement with the toothed plate 305, so as to quickly complete the connection of the injection molding machine nozzle 200.

[0030] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A quick-connect injection molding nozzle, characterized by, Include: Injection molding machine feed cylinder (100), injection molding machine nozzle (200), quick connector assembly (300); The quick connector assembly (300) comprises a clamp (301) movably mounted at the outer end of the injection molding machine feed cylinder (100), a clamping groove (302) penetratingly formed on both sides of the clamp (301), a tooth pressure plate (303) movably mounted in the clamping groove (302), a fixed ring (304) fixedly mounted at the outer end of the injection molding machine nozzle (200), a tooth plate (305) fixedly mounted on both sides of the fixed ring (304), and a positioning sheet (306) fixedly mounted on both sides of the fixed ring (304).

2. A quick-connect injection molding nozzle as defined in claim 1, wherein, The tooth pressure plate (303) is movably mounted with a restraint ring (307) on one side of the center.

3. A quick-connect injection molding nozzle as defined in claim 2, wherein, The tooth pressure plate (303) is further fixedly mounted with a fixed cover (308) on one side of the center, and the fixed cover (308) is outside the restraint ring (307).

4. A quick-connect injection molding nozzle as defined in claim 2, wherein, The outer end of the restraint ring (307) is further fixedly connected with an adjusting screw (309).

5. A quick attach injection molding nozzle as defined in claim 1, wherein, The clamp (301) is further provided with a threaded hole (310) on both sides, and the adjusting screw (309) is mounted in the threaded hole (310).

6. A quick attach injection molding nozzle as defined in claim 1, wherein, The clamp (301) is further provided with a positioning groove (311) on both sides, and the positioning sheet (306) is matched with the positioning groove (311).

7. A quick attach injection molding nozzle as defined in claim 1, wherein, The tooth pressure plate (303) and the tooth plate (305) are engagedly connected.

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