CN210999758U

CN210999758U - Nozzle structure

Info

Publication number: CN210999758U
Application number: CN201921468384.4U
Authority: CN
Inventors: 陈金益; 张冬冬
Original assignee: Yan Hing Machinery Foshan Co ltd
Current assignee: Yan Hing Machinery Foshan Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-07-14
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a penetrate mouth structure, including the feeding core, still including pressing the urceolus, drive the connecting rod, press and penetrate the urceolus and be equipped with and penetrate the mouth installing port, penetrate to be equipped with on the mouth installing port and penetrate the mouth body, feeding core, case all establish in pressing the section of thick bamboo intracavity that penetrates the urceolus, press the downside that penetrates the urceolus to be equipped with the drive and stretch into the hole, the drive stretch into the hole with drive through-hole intercommunication, drive section and core swing joint, the drive connecting rod is including continuous actuating lever, traction lever with the pivot in proper order, and the middle part of actuating lever is connected with pressing the urceolus with the pivot, is equipped with the spout of vertical setting on the actuating lever, and the spout has the inserted hole of seting up, is equipped with the slide shaft on the drive section, and the slide shaft follows the inserted hole, and the slide shaft can. The sliding shaft is connected with the sliding groove in an inserting mode, so that the sliding shaft is very convenient to assemble and disassemble, simple in structure and convenient to maintain.

Description

Nozzle structure

Technical Field

The utility model relates to an equipment is penetrated to pressure, especially relates to a penetrate mouth structure.

Background

In the prior art, after injection is completed, the injection device usually adopts a valve core to plug the injection hole on an injection nozzle.

However, the drive structure is complex, easy to damage and difficult to maintain due to unreasonable design.

In addition, poor sealing easily occurs around the existing valve core, molten materials can enter the periphery of the straight body section of the valve core, and after the materials are cooled, the valve core can be tightly embraced by solidified materials, so that the valve core cannot move. Under the condition of sealing failure, even leakage occurs, the material in a molten state leaks into the external environment, the injection equipment is easy to damage except the waste of the material, and the leakage of the material in a high-temperature molten state has potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: a nozzle structure having a simple structure is provided.

The utility model provides a solution of its technical problem is:

a nozzle structure comprises a feeding core, wherein a core moving hole extending left and right is formed in the feeding core, a driving through hole is vertically formed in the middle of the feeding core and communicated with the core moving hole, a valve core is arranged in the core moving hole, a conical section and a driving section are sequentially arranged on the valve core from left to right, the conical section is small in left and large in right, and the driving section is integrally cylindrical;

the injection nozzle comprises an injection outer barrel and a driving connecting rod which are transversely arranged, wherein a nozzle mounting opening is arranged on the left side of the injection outer barrel, a nozzle body is arranged on the nozzle mounting opening, a liquid containing cavity is arranged in the nozzle body, an injection hole communicated with the liquid containing cavity is arranged on the left side of the nozzle body, the left cavity wall of the liquid containing cavity is a conical surface, a conical section is arranged in the liquid containing cavity, the nozzle body is hermetically connected with a feeding core, the conical section points to the injection hole, the conical surface of the conical section can be hermetically connected with the left cavity wall of the liquid containing cavity, the feeding core and a valve core are both arranged in the cavity of the injection outer barrel, the nozzle body and the feeding core are both hermetically connected with the injection outer barrel, a driving stretching hole is arranged on the lower side of the injection outer barrel, the driving stretching hole is communicated with the driving through hole, the driving section is connected with a core movable hole, the driving section can move left and right in the core movable hole, the driving section stretches out of the driving section, the plurality of feeding holes are arranged in a left-right through mode, the middle of the feeding core is provided with an expansion section, the driving through holes are formed in the expansion section, and all the feeding holes surround the periphery of the end face of the left end of the feeding core;

the driving connecting rod comprises a driving rod and a traction rod which are sequentially connected through a rotating shaft, the driving rod extends into the driving through hole from the driving extending hole, the middle of the driving rod is connected with the injection outer cylinder through the rotating shaft, the upper end of the driving rod is abutted against the right end of the driving section, a telescopic driver is connected onto the injection outer cylinder, and the telescopic driver is connected with the traction rod through the rotating shaft.

As a further improvement of the scheme, the diameter of the right side of the conical section is larger than that of the driving section, a first sealing ring surface is arranged at the joint of the conical section and the driving section, the first sealing ring surface is arranged on the end surface of the right side of the conical section, a second sealing ring surface is arranged on the end surface of the left end of the feeding core, and the first sealing ring surface is abutted against the second sealing ring surface.

As a further improvement of the scheme, the right section of the conical section is cylindrical, and the first sealing ring surface and the second sealing ring surface are both planes.

As a further improvement of the proposal, the right end surface of the nozzle body is in sealed contact with the left end ring surface of the expanding section.

As a further improvement of the scheme, the nozzle body is in threaded connection with the nozzle mounting opening.

As a further improvement of the above scheme, a core abutting surface arranged towards the right is arranged in the barrel cavity of the injection outer barrel, the right end of the feeding core abuts against the core abutting surface, the feeding core is pressed on the core abutting surface by the injection nozzle body, and the abutting surface is a plane.

As a further improvement of the scheme, a plurality of antifriction ring grooves which are arranged at intervals are arranged on the driving section, and the antifriction ring grooves are all arranged in the core movable hole.

As a further improvement of the above solution, the telescopic actuator is a hydraulic cylinder.

As a further improvement of the scheme, the sliding shafts are arranged in a tandem mode, the sliding chutes are arranged in a tandem mode, the sliding shafts are connected with the sliding chutes in a one-to-one correspondence mode, the right side walls of the sliding chutes are connected into a whole to form a pushing wall used for pushing the right end face of the driving section, the right end of the driving section is arranged on the left side of the pushing wall, and the left side wall of the sliding chute is used for pushing the sliding shafts.

The utility model has the advantages that: the sliding shaft is connected with the sliding groove in an inserting mode, so that the sliding shaft is very convenient to assemble and disassemble, simple in structure and convenient to maintain.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a view showing an injection apparatus to which an embodiment of the present invention is applied;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

fig. 4 is a left side view of the feed core.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

Referring to fig. 1 to 3, which are an embodiment of the present invention, a nozzle structure includes a feeding core 103, a core movable hole 104 extending left and right is provided in the feeding core 103, a driving through hole 106 vertically provided is provided in the middle of the feeding core 103, the driving through hole 106 is communicated with the core movable hole 104, a valve core 105 is provided in the core movable hole 104, the valve core 105 is sequentially provided with a tapered section and a driving section from left to right, the tapered section is large from left to right, the driving section is integrally cylindrical, and the driving section is a straight section in the prior art;

the embodiment further comprises a horizontally arranged injection outer cylinder 101 and a driving connecting rod, wherein a nozzle mounting opening is formed in the left side of the injection outer cylinder 101, a nozzle body 102 is arranged on the nozzle mounting opening, a liquid containing cavity is formed in the nozzle body 102, an injection hole 108 communicated with the liquid containing cavity is formed in the left side of the nozzle body 102, the left cavity wall of the liquid containing cavity is a conical surface, a conical section is arranged in the liquid containing cavity, the nozzle body 102 is hermetically connected with a feeding core 103, the conical section points to the injection hole 108, the conical surface of the conical section can be hermetically connected with the left cavity wall of the liquid containing cavity, after injection is completed, a valve core 105 moves leftwards to plug the injection hole 108, the feeding core 103 and the valve core 105 are both arranged in the cavity of the injection outer cylinder 101, the nozzle body 102 and the feeding core 103 are both hermetically connected with the injection outer cylinder 101, a driving stretching hole 111 is formed in the lower side of the injection outer cylinder 101, and the driving stretching hole 111 is communicated with the driving through hole, as shown in fig. 3 and 4, a driving rod is connected to the right end of the valve core 105, the left-right swing of the upper end of the driving rod can enable the valve core 105 to move left and right, a driving insertion hole 111 is formed to facilitate the connection of the driving rod with the valve core 105, a driving section is connected with the core movable hole 104 and can move left and right in the core movable hole 104, the driving section penetrates through the core movable hole 104 and then extends out of the driving through hole 106, a plurality of feeding holes 109 are formed in the feeding core 103, the plurality of feeding holes 109 are arranged in a left-right through manner, an expanding section is formed in the middle of the feeding core 103, the driving through hole 106 is formed in the expanding section, and all the feeding holes 109 surround the periphery;

the driving connecting rod comprises a driving rod 201 and a traction rod 205 which are connected in sequence by a rotating shaft, the driving rod 201 extends into the driving through hole 106 from the driving extension hole 111, the middle part of the driving rod 201 is connected with the injection outer cylinder 101 by the rotating shaft, the upper end of the driving rod 201 is abutted against the right end of the driving section, so that the driving rod can move to the right by the pressure during injection, therefore, plugging is realized, a vertically arranged sliding groove 202 is also arranged on the driving rod 201, the sliding groove 202 is provided with an upward opening, a sliding shaft 203 is arranged on the driving section, the sliding shaft 203 is inserted into the sliding groove 202 from the opening, the sliding shaft 203 can rotatably slide in the sliding groove 202, a telescopic driver 204 is connected to the injection outer cylinder 101, the telescopic driver 204 is connected with the traction rod 205 through a rotating shaft, and the sliding shaft 203 is connected with the sliding groove 202 in an inserting mode, so that the injection outer cylinder is convenient to assemble and disassemble, simple in structure and convenient to maintain.

The diameter of the right side of the conical section is larger than that of the driving section, a first sealing ring surface 107 is arranged at the joint of the conical section and the driving section, the first sealing ring surface 107 is arranged on the right side end surface of the conical section, a second sealing ring surface is arranged on the left end surface of the feeding core 103, the first sealing ring surface 107 is abutted against the second sealing ring surface, and the valve core 105 moves rightwards during injection to enable the first sealing ring surface 107 to be abutted against the second sealing ring surface. Therefore, the sealing device is very easy to process and detect and can well realize sealing.

In order to make the first sealing ring surface 107 have enough strength and avoid the valve core from generating sharp corners, the right section of the conical section is cylindrical, and the first sealing ring surface 107 and the second sealing ring surface are both planes.

The right end face of the nozzle body 102 is in sealed abutting connection with the left end ring face of the expanding section, so that the nozzle is convenient and reliable to install and has a good sealing effect.

To facilitate assembly, disassembly and maintenance, the nozzle body 102 is threadedly connected to the nozzle mounting opening.

The core abutting surface arranged towards the right is arranged in the barrel cavity of the injection outer barrel 101, the right end of the feeding core 103 abuts against the core abutting surface, the feeding core 103 is pressed on the core abutting surface by the injection nozzle body 102, and the abutting surface is a plane, so that the sealing effect is very good.

Be equipped with the antifriction ring groove 113 that a plurality of interval set up on the drive section, antifriction ring groove 113 all establishes in core activity hole 104, is favorable to reducing the kinetic friction of case 105 like this.

The telescopic driver 204 is a hydraulic cylinder, which is convenient to drive and low in cost.

The power that opens case 105 needs is little, and the power that seals perforation hole 108 needs is big, and can not be eccentric, otherwise can lead to the complete deformation of drive section easily, the case atress is unbalanced, consequently as the utility model discloses an embodiment, slide 203 has two and tandem settings, spout 202 has two and tandem settings, slide 203 is connected with spout 202 one-to-one, the wall that pushes away that the right side wall of spout 202 links integrative the right-hand member face that is used for promoting the drive section that forms, the right-hand member of drive section is established in the left side that pushes away the wall, the left side wall of spout 202 is used for promoting slide 203.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. A nozzle structure, characterized in that: the feeding device comprises a feeding core (103), wherein a core movable hole (104) extending left and right is formed in the feeding core (103), a driving through hole (106) arranged vertically is formed in the middle of the feeding core (103), the driving through hole (106) is communicated with the core movable hole (104), a valve core (105) is arranged in the core movable hole (104), a conical section and a driving section are sequentially arranged on the valve core (105) from left to right, the conical section is small in left and large in right, and the driving section is integrally cylindrical; the injection molding machine further comprises an injection outer cylinder (101) and a driving connecting rod which are transversely arranged, a nozzle mounting opening is formed in the left side of the injection outer cylinder (101), a nozzle body (102) is arranged on the nozzle mounting opening, a liquid containing cavity is formed in the nozzle body (102), an injection hole (108) communicated with the liquid containing cavity is formed in the left side of the nozzle body (102), the left cavity wall of the liquid containing cavity is a conical surface, a conical section is arranged in the liquid containing cavity, the nozzle body (102) is hermetically connected with a feeding core (103), the conical section points to a press hole (108), the conical surface of the conical section can be hermetically connected with the left cavity wall of the liquid containing cavity, the feeding core (103) and a valve core (105) are arranged in the cavity of the injection outer cylinder (101), the nozzle body (102) and the feeding core (103) are hermetically connected with the injection outer cylinder (101), a driving stretching hole (111) is formed in the lower side of the injection outer cylinder (101), and the driving stretching hole (111) is communicated with the driving through hole (106, the driving section is connected with the core movable hole (104), the driving section can move left and right in the core movable hole (104), the driving section penetrates through the core movable hole (104) and then extends out of the driving through hole (106), the feeding core (103) is provided with a plurality of feeding holes (109), the feeding holes (109) are arranged in a left-right through mode, the middle of the feeding core (103) is provided with an expanding section, the driving through hole (106) is arranged on the expanding section, and all the feeding holes (109) surround the periphery of the left end face of the feeding core (103);

the driving connecting rod comprises a driving rod (201) and a traction rod (205) which are connected through a rotating shaft in sequence, the driving rod (201) extends into the driving through hole (106) from the driving extending hole (111), the middle of the driving rod (201) is connected with the injection outer cylinder (101) through the rotating shaft, the upper end of the driving rod (201) is abutted to the right end of the driving section, a telescopic driver (204) is connected onto the injection outer cylinder (101), and the telescopic driver (204) is connected with the traction rod (205) through the rotating shaft.

2. A nozzle structure according to claim 1, wherein: the diameter of the right side of toper section is greater than the diameter of drive section, and the junction of toper section and drive section is equipped with first sealed anchor ring (107), and the right-hand member face at the toper section is established in first sealed anchor ring (107), and the left end terminal surface of feeding core (103) is equipped with the sealed anchor ring of second, first sealed anchor ring (107) and the sealed anchor ring butt of second.

3. A nozzle structure according to claim 2, wherein: the right segment of the conical segment is cylindrical, and the first sealing ring surface (107) and the second sealing ring surface are both planes.

4. A nozzle structure according to claim 1, wherein: the right end face of the nozzle body (102) is in sealed abutting connection with the left end ring face of the expanding section.

5. A nozzle structure according to claim 1, wherein: the nozzle body (102) is in threaded connection with the nozzle mounting opening.

6. A nozzle structure according to claim 1, wherein: a core abutting surface which is arranged towards the right is arranged in a barrel cavity of the injection outer barrel (101), the right end of the feeding core (103) abuts against the core abutting surface, the feeding core (103) is pressed on the core abutting surface by the nozzle body (102), and the abutting surface is a plane.

7. A nozzle structure according to claim 1, wherein: be equipped with antifriction ring groove (113) that a plurality of interval set up on the drive section, antifriction ring groove (113) all are established in core activity hole (104).

8. A nozzle structure according to claim 1, wherein: the telescopic driver (204) is a hydraulic cylinder.