CN210848278U - Quantitative liquid pumping structure - Google Patents
Quantitative liquid pumping structure Download PDFInfo
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- CN210848278U CN210848278U CN201921468320.4U CN201921468320U CN210848278U CN 210848278 U CN210848278 U CN 210848278U CN 201921468320 U CN201921468320 U CN 201921468320U CN 210848278 U CN210848278 U CN 210848278U
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Abstract
The utility model discloses a ration drawing liquid structure, including pressing the urceolus, feed liquor urceolus, ration urceolus, quantitative working medium jar of penetrating, be equipped with the ration pole on the quantitative working medium jar, the ration pole is established in the ration urceolus, is equipped with the drain passageway in the feed liquor urceolus, is equipped with check valve subassembly on the drain passageway, presses to penetrate to be equipped with on the urceolus to seal the nozzle structure that penetrates of pressing the section of thick bamboo chamber of penetrating the urceolus. When the quantitative liquid pumping device is in actual use, a material carrying hopper used for melting metal and containing molten metal is connected with a liquid guide channel, the nozzle structure is sealed to inject the outer barrel, the quantitative rod moves rightwards, the one-way valve assembly is opened due to negative pressure, molten metal of the material carrying hopper enters a barrel cavity of the quantitative outer barrel due to the negative pressure, and the moving amount of the quantitative rod is the liquid pumping amount, so that quantitative liquid pumping can be achieved. The utility model is used for press and penetrate former.
Description
Technical Field
The utility model relates to a metal is pressed and is penetrated former field, especially a ration drawing liquid structure.
Background
In the prior art, the injection molding machine usually feeds the molten metal by the rotary feed of the screw, but the screw is in a rotating state during the feed process, which results in the surging of the molten metal, so that the feeding amount cannot be accurately controlled.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: a structure capable of quantitatively extracting molten metal is provided.
The utility model provides a solution of its technical problem is:
the utility model provides a ration drawing liquid structure, includes the injection urceolus, feed liquor urceolus, quantitative urceolus that from left to right set gradually, has the ration working medium jar of flexible end, and the barrel cavity of injecting urceolus, feed liquor urceolus, quantitative urceolus communicates in proper order, the cylinder body and the quantitative urceolus relatively fixed connection of ration working medium jar are equipped with the ration pole on the flexible end of ration working medium jar, and the ration pole stretches into the barrel cavity of ration urceolus from the right side in, and the ration pole is connected with the barrel cavity dynamic seal of ration urceolus, is equipped with the drain channel in the feed liquor urceolus, and the lower extreme of drain channel communicates with the barrel cavity of feed liquor urceolus, is equipped with the check valve subassembly that switches on down on the drain channel, is equipped with the nozzle structure.
As a further improvement of the above scheme, the nozzle structure comprises a feeding core, a core movable hole extending left and right is formed in the feeding core, a vertically arranged driving through hole is formed in the middle of the feeding core, the driving through hole is communicated with the core movable hole, a valve core is arranged in the core movable 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, all the feeding holes surround the periphery of the left end face of the feeding core, and the feeding holes are communicated with a cylinder cavity of the injection outer cylinder and a cylinder cavity of the quantitative outer cylinder;
the driving connecting rod comprises a driving rod and a traction rod which are connected in sequence by a rotating shaft, the driving rod extends into the driving through hole from the driving extension hole, the middle part of the driving rod is connected with the injection outer cylinder by the rotating shaft, and the upper end of the driving rod is abutted against the right end of the driving section; the injection outer cylinder is connected with a telescopic driver, and the telescopic driver is connected with the traction rod through a 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.
The utility model has the advantages that: when the quantitative liquid pumping device is in actual use, a material carrying hopper used for melting metal and containing molten metal is connected with a liquid guide channel, the nozzle structure is sealed to inject the outer barrel, the quantitative rod moves rightwards, the one-way valve assembly is opened due to negative pressure, molten metal of the material carrying hopper enters a barrel cavity of the quantitative outer barrel due to the negative pressure, and the moving amount of the quantitative rod is the liquid pumping amount, so that quantitative liquid pumping can be achieved.
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 schematic structural view of a metal injection molding machine to which 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 schematic 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, this is an embodiment of applying a quantitative liquid pumping structure to an injection molding machine, the quantitative liquid pumping structure includes an injection outer cylinder 101, a liquid inlet outer cylinder 401, a quantitative outer cylinder 402, and a quantitative working medium cylinder 403 with a telescopic end, which are sequentially arranged from left to right, the cylinder cavities of the injection outer cylinder 101, the liquid inlet outer cylinder 401, and the quantitative outer cylinder 402 are sequentially communicated, the cylinder body of the quantitative working medium cylinder 403 is relatively fixedly connected with the quantitative outer cylinder 402, in this embodiment, the cylinder body and the quantitative outer cylinder 402 are connected together through a connecting frame, of course, the cylinder body can be directly connected with the quantitative outer cylinder 402, both of these two fixed connection modes are referred to as relatively fixed connection, the telescopic end of the quantitative working medium cylinder 403 is provided with a quantitative rod 404, the quantitative rod 404 extends into the cylinder cavity of the quantitative outer cylinder 402 from the right side, the quantitative rod 404 is in dynamic sealing connection with the cylinder cavity of the, the liquid guide channel 311 is arranged in the liquid inlet outer barrel 401, the lower end of the liquid guide channel 311 is communicated with the barrel cavity of the liquid inlet outer barrel 401, a one-way valve assembly which is conducted downwards is arranged on the liquid guide channel 311, a nozzle structure which can seal the barrel cavity of the injection outer barrel 101 is arranged on the injection outer barrel 101, when the quantitative liquid guide device is in practical use, a material carrying hopper used for melting metal and containing metal liquid is connected with the liquid guide channel 311, the nozzle structure is enabled to seal the injection outer barrel 101, the quantitative rod 404 is enabled to move rightwards, due to negative pressure, the one-way valve assembly is opened, the metal liquid of the material carrying hopper enters the barrel cavity of the quantitative outer barrel 402 due to the negative pressure, the movement amount of the quantitative rod 404 is the liquid drawing amount, and quantitative.
The nozzle structure comprises a feeding core 103, a core movable hole 104 extending left and right is arranged in the feeding core 103, a driving through hole 106 arranged vertically is arranged 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, 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 feed 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, the valve core 105 moves leftwards to plug the injection hole, the feed 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 feed core 103 are both hermetically connected with the injection outer cylinder 101, a driving extension hole 111 is formed in the lower side of the injection outer cylinder 101, the driving extension hole 111 is communicated with the driving through hole 106, as shown in fig, the right end of the valve core 105 is connected with a driving rod, the left-right swing of the upper end of the driving rod can enable the valve core 105 to move left and right, the setting of a driving stretching hole 111 is convenient for the connection of the driving rod and the valve core 105, a driving section is connected with a core moving hole 104 and can move left and right in the core moving hole 104, the driving section penetrates through the core moving hole 104 and then extends out of a driving through hole 106, as shown in fig. 4, a plurality of feeding holes 109 are formed in a feeding core 103, the plurality of feeding holes 109 are arranged in a left-right through mode, an expanding section is arranged in the middle of the feeding core 103, the driving through hole 106 is formed in the expanding section, all the feeding holes 109 surround the periphery of the left end face of the feeding core 103, the feeding holes 109 are communicated with a cylinder cavity of the injection outer cylinder 101 and a cylinder cavity of the quantitative outer cylinder 402, and molten metal in the quantitative outer cylinder 402 can;
the driving connecting rod comprises a driving rod 201 and a traction rod 205 which are connected in sequence through 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 through the rotating shaft, and the upper end of the driving rod 201 is abutted against the right end of the driving section, so that the driving rod 201 can automatically move to the right under the pressure of injection. Of course, the driving rod 201 may also be provided with a vertically arranged sliding groove 202, the sliding groove 202 has an insertion opening opened upward, the driving section is provided with a sliding shaft 203, the sliding shaft 203 is inserted into the sliding groove 202 from the insertion opening, the sliding shaft 203 can rotatably slide in the sliding groove 202, the injection outer cylinder 101 is connected with a telescopic driver 204, the telescopic driver 204 is connected with the traction rod 205 by a rotating shaft, and the sliding shaft 203 is connected with the sliding groove 202 by an insertion manner, 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.
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 (8)
1. A quantitative liquid extraction structure is characterized in that: comprises an injection outer cylinder (101), a liquid inlet outer cylinder (401), a quantitative outer cylinder (402) and a quantitative working medium cylinder (403) with a telescopic end, which are arranged from left to right in sequence, wherein cylinder cavities of the injection outer cylinder (101), the liquid inlet outer cylinder (401) and the quantitative outer cylinder (402) are communicated in sequence, the quantitative outer cylinder (402) is fixedly connected with a cylinder body of the quantitative working medium cylinder (403) relatively, a quantitative rod (404) is arranged at the telescopic end of the quantitative working medium cylinder (403), the quantitative rod (404) extends into a cylinder cavity of the quantitative outer cylinder (402) from the right side, the quantitative rod (404) is in dynamic sealing connection with the cylinder cavity of the quantitative outer cylinder (402), a liquid guide channel (311) is arranged in the liquid inlet outer cylinder (401), the lower end of the liquid guide channel (311) is communicated with the cylinder cavity of the liquid inlet outer cylinder (401), a check valve assembly conducting downwards is arranged on the liquid guide channel (311), and a nozzle structure capable of sealing the cylinder cavity of the injection outer cylinder (101) is arranged on the injection outer cylinder (101).
2. The quantitative liquid extraction structure as claimed in claim 1, wherein: the nozzle structure comprises a feeding core (103), 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, all the feeding holes (109) surround the periphery of the left end face of the feeding core (103), and the feeding holes (109) are communicated with a cylinder cavity of the injection outer cylinder (101) and a cylinder cavity of the quantitative outer cylinder (402);
the driving connecting rod comprises a driving rod (201) and a traction rod (205) which are connected in sequence through a rotating shaft, the driving rod (201) extends into the driving through hole (106) from the driving extending hole (111), the middle part of the driving rod (201) is connected with the injection outer cylinder (101) through the rotating shaft, and the upper end of the driving rod (201) is abutted to the right end of the driving section; the injection outer cylinder (101) is connected with a telescopic driver (204), and the telescopic driver (204) is connected with a traction rod (205) through a rotating shaft.
3. The quantitative liquid extraction structure as claimed in claim 2, 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.
4. The quantitative liquid extraction structure as claimed in claim 3, 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.
5. The quantitative liquid extraction structure as claimed in claim 2, 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.
6. The quantitative liquid extraction structure as claimed in claim 2, wherein: the nozzle body (102) is in threaded connection with the nozzle mounting opening.
7. The quantitative liquid extraction structure as claimed in claim 2, 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.
8. The quantitative liquid extraction structure as claimed in claim 2, 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921468320.4U CN210848278U (en) | 2019-09-04 | 2019-09-04 | Quantitative liquid pumping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921468320.4U CN210848278U (en) | 2019-09-04 | 2019-09-04 | Quantitative liquid pumping structure |
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| Publication Number | Publication Date |
|---|---|
| CN210848278U true CN210848278U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921468320.4U Active CN210848278U (en) | 2019-09-04 | 2019-09-04 | Quantitative liquid pumping structure |
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| CN (1) | CN210848278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940699A (en) * | 2020-07-20 | 2020-11-17 | 深圳市深汕特别合作区力劲科技有限公司 | Feeding device and die casting machine |
-
2019
- 2019-09-04 CN CN201921468320.4U patent/CN210848278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940699A (en) * | 2020-07-20 | 2020-11-17 | 深圳市深汕特别合作区力劲科技有限公司 | Feeding device and die casting machine |
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