CN211145449U - Three-way valve structure for injection molding machine - Google Patents
Three-way valve structure for injection molding machine Download PDFInfo
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- CN211145449U CN211145449U CN201922226462.6U CN201922226462U CN211145449U CN 211145449 U CN211145449 U CN 211145449U CN 201922226462 U CN201922226462 U CN 201922226462U CN 211145449 U CN211145449 U CN 211145449U
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Abstract
The utility model belongs to the injection molding machine field provides a three-way valve structure for injection molding machine, include: the valve body is longitudinally provided with a mounting hole and a circulation hole, the mounting hole is communicated with the circulation hole, the lower part of the valve body is transversely provided with a feeding hole and a discharging hole, and the feeding hole is communicated with the mounting hole; the lower end of the valve core is movably inserted into the discharge hole and separates the discharge hole from the feed hole, and when the material is fed into the feed hole, the raw material can drive the valve core to move upwards; when the valve core moves upwards, the lower end of the valve core is separated from the discharge hole, the feed hole is communicated with the discharge hole, and the circulation hole is separated from the mounting hole by the upper end of the valve core. Compared with the prior art, the utility model has the advantages of: the reciprocating of valve body only relies on the raw materials to flow and drives, need not to install extra driving source, simple structure, and manufacturing cost, the maintenance and the maintenance degree of difficulty during the use are low.
Description
Technical Field
The utility model belongs to the injection molding machine field, concretely relates to three-way valve structure for injection molding machine.
Background
The injection molding equipment is also called an injection molding machine or an injection machine, is the main molding equipment for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and has wide application field.
For example, a three-way valve with the authorization notice number of CN209067878U and a pre-molding injection device applying the three-way valve comprise a valve body; the mounting hole transversely penetrates through the valve body; the first through hole axially penetrates through the valve body and the mounting hole and is communicated with the mounting hole; the first connecting hole is vertically arranged on the valve body and is positioned above the mounting hole, and the first connecting hole is communicated with the mounting hole and the outside of the valve body; the valve core is transversely arranged in the mounting hole and is movably connected with the valve body; the second through hole transversely penetrates through the valve core and is communicated with the first connecting hole; the second connecting hole is arranged on the valve core and is communicated with the second through hole and the first through hole; when the case when the valve body internal rotation was to predetermineeing the position, second through-hole and first connecting hole and second connecting hole stagger with first through-hole, and first through-hole and second through-hole intercommunication, though it can realize the function of storage and penetrating the material, but the three-way valve structure that its adopted is more complicated, and the rotation of case still needs extra driving source to provide power, not only increases manufacturing cost, can improve the maintenance and the maintenance degree of difficulty during the use moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to the current situation of prior art, and provide a three-way valve structure for injection molding machine.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a three-way valve structure for an injection molding machine is presented, comprising: the valve body is longitudinally provided with an installation hole and a circulation hole, the installation hole is communicated with the circulation hole, the lower part of the valve body is transversely provided with a feed hole and a discharge hole, and the feed hole is communicated with the installation hole;
the sol cylinder is connected to the upper end of the valve body and is communicated with the circulation hole;
the glue injection cylinder is connected to the lower end of the valve body and communicated with the feeding hole;
the glue injection cylinder is connected to the lower end of the valve body and communicated with the discharge hole;
the lower end of the valve core is movably inserted into the discharge hole and separates the discharge hole from the feed hole, and when the glue injection cylinder feeds materials into the feed hole, the raw materials can drive the valve core to move upwards;
when the valve core moves upwards, the lower end of the valve core is separated from the discharge hole, the feed hole is communicated with the discharge hole, and the circulation hole is separated from the mounting hole by the upper end of the valve core.
In the above three-way valve structure for an injection molding machine, a stop block is arranged on one side of the valve core, a stop ball is arranged at the upper end of the valve core, and the stop block is movably inserted into the discharge hole; when the valve core moves upwards, the top end of the stop ball is inserted into the lower end of the flow hole, and the stop block is separated from the discharge hole.
In the above three-way valve structure for an injection molding machine, the lower end of the valve core is provided with an inclined abutting surface, and the inclined abutting surface is located in the feeding hole.
In the above three-way valve structure for an injection molding machine, the valve core is provided with an annular pressing surface, and the annular pressing surface is located in the mounting hole.
In the above-described three-way valve structure for an injection molding machine, the stopper ball has a maximum diameter larger than the flow hole diameter.
In the three-way valve structure for the injection molding machine, the mounting seat is inserted at the lower end of the valve body, the mounting seat is provided with the connecting column, the connecting column penetrates through the feeding hole and the discharging hole and extends into the mounting hole, and the valve core is movably sleeved on the connecting column.
In the above three-way valve structure for an injection molding machine, the diameter of the feed hole and the diameter of the discharge hole are both larger than the diameter of the connecting column.
In foretell a three-way valve structure for injection molding machine, the spliced pole side is provided with first backstop face, the removal hole has been seted up on the valve body, remove downthehole second backstop face that is provided with, the spliced pole activity is inserted and is located it is downthehole just first backstop face activity support by in second backstop face.
Compared with the prior art, the utility model has the advantages of this a three-way valve structure for injection molding machine valve body reciprocates and realizes UNICOM between feed port and discharge opening, opening and the mounting hole or close, and reciprocating of valve body only relies on the raw materials to flow and drives, need not to install extra driving source, simple structure, and manufacturing cost, the maintenance during the use is with maintain the degree of difficulty low.
Drawings
FIG. 1 is a cross-sectional view of a three-way valve structure of the present invention during a magazine process for an injection molding machine;
FIG. 2 is a cross-sectional view of a three-way valve structure of the present invention during a shot;
FIG. 3 is a front view of the valve cartridge;
FIG. 4 is a side view of the valve cartridge;
FIG. 5 is a cross-sectional view of the valve cartridge;
fig. 6 is a top view of the mount.
In the figure, a valve body 1, a mounting hole 2, a circulation hole 3, a feeding hole 4, a discharging hole 5, a sol cylinder 6, a glue injection cylinder 7, a glue injection cylinder 8, a valve core 9, a stop block 10, a stop ball 11, an inclined abutting surface 12, an annular pressing surface 13, a mounting seat 14, a connecting column 15, a first stop surface 16, a second stop surface 17 and a moving hole 18 are arranged.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 6, the three-way valve structure for an injection molding machine of the present invention includes: the valve body 1 is longitudinally provided with a mounting hole 2 and a circulation hole 3, the mounting hole 2 is communicated with the circulation hole 3, the lower part of the valve body 1 is transversely provided with a feeding hole 4 and a discharging hole 5, and the feeding hole 4 is communicated with the mounting hole 2; the sol cylinder 6 is connected to the valve body 1 and communicated with the circulation hole 3; the glue injection cylinder 7 is connected to the valve body 1 and communicated with the feeding hole 4; the rubber injection cylinder 8 is connected to the valve body 1 and communicated with the discharge hole 5; the valve core 9 is longitudinally and movably arranged in the mounting hole 2, when the sol cylinder 6 feeds materials into the circulation hole 3, the raw materials can drive the valve core 9 to move downwards, and when the glue injection cylinder 7 feeds materials into the feed hole 4, the raw materials can drive the valve core 9 to move upwards; when the valve core 9 moves downwards, the circulation hole 3, the mounting hole 2 and the feeding hole 4 are communicated, and the feeding hole 4 and the discharging hole 5 are separated by the lower end of the valve core 9; when the valve core 9 moves upwards, the lower end of the valve core 9 is separated from the discharge hole 5, the feed hole 4 is communicated with the discharge hole 5, and the circulation hole 3 is separated from the mounting hole 2 by the upper end of the valve core 9.
The sol cylinder 6 is used for melting the raw materials, after the raw materials are melted, the raw materials are extruded into the circulation holes 3 by the sol cylinder 6, the circulation holes 3 are communicated with the mounting holes 2, so that the raw material can enter the mounting hole 2 through the circulation hole 3, because the valve core 9 is movably arranged in the mounting hole 2, the raw material can contact with the valve core 9 when entering the mounting hole 2, and the downward pressure of the raw material can drive the valve core 9 to move downwards, when the valve core 9 moves downwards to a preset position, the circulation hole 3, the mounting hole 2 and the feed hole 4 are communicated, the feed hole 4 and the discharge hole 5 are separated by the lower end of the valve core 9, then the raw materials can enter the mounting hole 2 through the circulation hole 3 and then flow into the feeding hole 4 from the mounting hole 2, because the glue injection cylinder 7 is communicated with the feeding hole 4, the raw materials can finally flow into the glue injection cylinder 7 and cannot enter the glue injection cylinder 8, and the purpose of storing the materials is achieved.
When the glue injection cylinder 7 is filled with raw materials, injection molding is started, namely the glue injection cylinder 7 conveys the raw materials to the glue injection cylinder 8, the glue injection cylinder 7 is communicated with the feed hole 4, when the glue injection cylinder 7 discharges, the raw materials enter the feed hole 4 and are in contact with the valve core 9, because the glue injection cylinder 7 and the feed hole 4 are both arranged at the lower end of the valve body 1, the raw materials can be fed into the valve core 9 upwards when in contact with the valve core 9, and then the raw materials can drive the valve core 9 to move upwards, so that the upper end of the valve core 9 can be inserted into the circulation hole 3 and can partition the circulation hole 3 from the mounting hole 2, at the moment, the lower end of the valve core 9 is separated from the discharge hole 5, the feed hole 4 and the discharge hole 5 are communicated, and then the raw materials can enter the discharge hole 5 through the feed hole 4, and.
At the in-process of whole storage and penetrating material, the reciprocating of case 9 only relies on the extrusion force of raw materials as the driving source, need not to increase extra device in addition on equipment and drives case 9, reduces manufacturing cost, and the maintenance during the use is low with the maintenance degree of difficulty, and at the switching process of storage and penetrating material, the reaction efficiency of the reciprocating of case 9 is high, can not receive the influence of other structures, improves the storage and penetrates the switching speed of material process.
A stop block 10 is arranged on one side of the valve core 9, a stop ball 11 is arranged at the upper end of the valve core 9, and the stop block 10 is movably inserted into the discharge hole 5; when the valve core 9 moves upwards, the top end of the stop ball 11 is inserted into the lower end of the circulation hole 3, and the stop block 10 is separated from the discharge hole 5.
When the valve core 9 moves upwards, the top end of the stop ball 11 can be inserted into the lower end of the circulation hole 3, so that the circulation hole 3 is closed, the circulation hole 3 is separated from the mounting hole 2, the stop block 10 is separated from the discharge hole 5, and the discharge hole 5 is communicated with the feed hole 4.
The maximum diameter of the stop ball 11 is larger than the diameter of the circulation hole 3, on one hand, the stop ball 11 is prevented from completely entering the circulation hole 3, the process that the valve core 9 moves up and down is ensured to be smooth, and on the other hand, the stop ball can completely isolate the circulation hole 3 and the mounting hole 2.
The lower extreme of case 9 is provided with to one side to face 12, to one side to face 12 is located feed port 4, when penetrating the material, the raw materials gets into and contacts with to one side to face 12 in the feed port 4 back, the forward extrusion power of raw materials is used in to one side to face 12, and then the forward extrusion power of raw materials can drive case 9 and upwards move, and then can make case 9 lower extreme break away from discharge opening 5, after case 9 breaks away from discharge opening 5, discharge opening 5 communicates with each other with feed port 4, and then the raw materials can enter into to penetrating in the packing element 8 through discharge opening 5.
Be provided with annular face 13 of pushing down on the case 9, annular face 13 of pushing down is located mounting hole 2, during the storage, the raw materials gets into to flow hole 3, and then can extrude case 9 top and drive case 9 downstream, case 9 downstream breaks away from behind flow hole 3 to its top, the raw materials can get into to mounting hole 2 in, and then the raw materials can contact with annular face 13 of pushing down, the decurrent extrusion force of raw materials is used in annular face 13 of pushing down, and then the raw materials can continue to drive case 9 downstream, insert completely to discharge opening 5 until backstop piece 10, the benefit that sets up annular face 13 of pushing down lies in, prevent that the extrusion force on raw materials to case 9 top is not enough and lead to backstop piece 10 can't insert completely to discharge opening 5 in.
The lower end of the valve body 1 is inserted with a mounting seat 14, a connecting column 15 is arranged on the mounting seat 14, the connecting column 15 penetrates through the feeding hole 4 and the discharging hole 5 and extends into the mounting hole 2, and the valve core 9 is movably sleeved on the connecting column 15.
The mounting seat 14 is inserted into the lower end of the valve body 1, and the valve core 9 is movably sleeved on the connecting column 15, so that the valve core 9 can move up and down along a specified route.
The diameter of the feed hole 4 and the diameter of the discharge hole 5 are both larger than the diameter of the connecting column 15, so that the valve core 9 is guaranteed to move upwards until the stop block 10 is separated from the discharge hole 5, the feed hole 4 and the discharge hole 5 can be communicated, and raw materials in the feed hole 4 can bypass the connecting column 15 and enter the discharge hole 5.
The side of the connecting column 15 is provided with a first stop surface 16, the valve body 1 is provided with a moving hole 18, a second stop surface 17 is arranged in the moving hole 18, the connecting column 15 is movably inserted into the moving hole 18, the first stop surface 16 movably abuts against the second stop surface 17, and the valve core 9 can be prevented from rotating in the up-and-down moving process.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (9)
1. A three-way valve structure for an injection molding machine, comprising:
the valve body is longitudinally provided with an installation hole and a circulation hole, the installation hole is communicated with the circulation hole, the lower part of the valve body is transversely provided with a feed hole and a discharge hole, and the feed hole is communicated with the installation hole;
the lower end of the valve core is movably inserted into the discharge hole and separates the discharge hole from the feed hole, and when the material is fed into the feed hole, the raw material can drive the valve core to move upwards;
when the valve core moves upwards, the lower end of the valve core is separated from the discharge hole, the feed hole is communicated with the discharge hole, and the circulation hole is separated from the mounting hole by the upper end of the valve core.
2. The three-way valve structure for the injection molding machine according to claim 1, wherein a stop block is arranged on one side of the valve core, a stop ball is arranged at the upper end of the valve core, and the stop block is movably inserted into the discharge hole; when the valve core moves upwards, the top end of the stop ball is inserted into the lower end of the flow hole, and the stop block is separated from the discharge hole.
3. The three-way valve structure for the injection molding machine according to claim 1, wherein the lower end of the valve core is provided with an inclined surface, and the inclined surface is located in the feed hole.
4. A three-way valve structure for an injection molding machine according to claim 3, wherein an annular depression surface is provided on the valve element, the annular depression surface being located in the mounting hole.
5. A three-way valve structure for an injection molding machine according to claim 2, wherein the stopper ball has a maximum diameter larger than the flow hole diameter.
6. The three-way valve structure for the injection molding machine according to claim 1, wherein a mounting seat is inserted at the lower end of the valve body, a connecting column is arranged on the mounting seat, the connecting column penetrates through the feeding hole and the discharging hole and extends into the mounting hole, and the valve core is movably sleeved on the connecting column.
7. A three-way valve structure for an injection molding machine according to claim 6, wherein the feed hole diameter and the discharge hole diameter are both larger than the connecting column diameter.
8. The three-way valve structure for the injection molding machine according to claim 6, wherein the connecting column is provided with a first stop surface at a side surface thereof, the valve body is provided with a moving hole, a second stop surface is provided in the moving hole, the connecting column is movably inserted into the moving hole, and the first stop surface movably abuts against the second stop surface.
9. The three-way valve structure for the injection molding machine according to claim 1, wherein a glue injection cylinder and a glue injection cylinder are arranged at the lower end of the valve body, the glue injection cylinder is communicated with the feed hole, and the glue injection cylinder is communicated with the discharge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226462.6U CN211145449U (en) | 2019-12-11 | 2019-12-11 | Three-way valve structure for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226462.6U CN211145449U (en) | 2019-12-11 | 2019-12-11 | Three-way valve structure for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145449U true CN211145449U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922226462.6U Active CN211145449U (en) | 2019-12-11 | 2019-12-11 | Three-way valve structure for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145449U (en) |
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2019
- 2019-12-11 CN CN201922226462.6U patent/CN211145449U/en active Active
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