CN210190354U - Foaming agent injector for producing extruded sheet and extruded sheet production system - Google Patents
Foaming agent injector for producing extruded sheet and extruded sheet production system Download PDFInfo
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- CN210190354U CN210190354U CN201921048130.7U CN201921048130U CN210190354U CN 210190354 U CN210190354 U CN 210190354U CN 201921048130 U CN201921048130 U CN 201921048130U CN 210190354 U CN210190354 U CN 210190354U
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Abstract
A foaming agent injector for producing extruded sheets and an extruded sheet production system. The foaming agent injector comprises an upper clamping sleeve body, a lower guide part, an intermediate connecting body and a sealing part, wherein the lower end of the upper clamping sleeve body is sleeved at the upper end of the intermediate connecting body, the upper end of the lower guide part is sleeved at the lower end of the intermediate connecting body, the sealing part is nested inside the intermediate connecting body, two ends of the sealing part extend to the outside of the intermediate connecting body, and the lower end of the sealing part is clamped with the lower end face of the intermediate connecting body. The upper end suit of lower part guide is on the lower extreme of intermediate junction body for distance between the lower extreme of intermediate junction body and the lower part guide lower extreme shortens, thereby makes the lower extreme of intermediate junction body be close to more and smelt the screw rod, makes the inside of transmitting for the intermediate junction body that the temperature in the smelting screw rod can be sufficient, makes the material that enters into in the intermediate junction body can not cool off and condense, just so can avoid the injector to take place to block up, thereby can improve production efficiency.
Description
Technical Field
The utility model relates to an extruded sheet production facility technical field especially relates to a production foamer injector and extruded sheet production system for extruded sheet.
Background
In the process of producing extruded sheets, a foaming agent is required to be injected into a melting screw, and the foaming agent is mixed with melted and mixed materials to obtain a mixed gas melt fluid. When the foaming agent injector adopted at present is used, when materials in the smelting screw rod return into the injector, the materials returning into the smelting screw rod are cooled and condensed due to low temperature, so that the foaming agent cannot be injected into the smelting screw rod due to the blockage of the inside of the injector, and the production is influenced.
Disclosure of Invention
In view of the above, there is a need for a blowing agent injector for producing extruded sheets that is not prone to clogging.
An extruded sheet production system including a blowing agent injector for producing extruded sheets is also provided.
A foaming agent injector for producing extruded sheets comprises an upper clamping sleeve body, a lower guide part, a middle connecting body and a sealing part, wherein the lower end of the upper clamping sleeve body is sleeved at the upper end of the middle connecting body, and is detachably connected with the upper end of the middle connecting body, the upper end of the lower guide piece is sleeved at the lower end of the middle connecting body, and is detachably connected with the lower end of the middle connecting body, the sealing component is nested in the middle connecting body, two ends of the sealing component extend to the outside of the middle connecting body, the lower end of the sealing part is clamped with the lower end surface of the middle connector, the foaming agent with pressure enters the upper part cutting sleeve body, the sealing component is compressed under the pushing of the foaming agent with pressure, the lower end of the sealing component is far away from the lower end of the intermediate connecting body, the foaming agent enters the lower guide piece from the intermediate connecting body and then enters the smelting screw, and therefore the injection of the foaming agent into the smelting screw is completed.
Preferably, the lower end surface of the upper portion sleeve body is provided with a sleeving hole, the size of the sleeving hole is matched with the outer diameter of the upper end of the middle connector, the sleeving hole is sleeved at the upper end of the middle connector and is in threaded connection with the middle connector, the lower end surface of the upper portion sleeve body is provided with an injection hole, the injection hole is communicated with the sleeving hole, and the diameter of the injection hole is smaller than that of the sleeving hole.
Preferably, the lower part guide piece includes stand pipe, connecting pipe, and the connecting hole has been seted up on the upper end surface of stand pipe, and the external diameter phase-match of the size of connecting hole and middle connector lower extreme, and the connecting hole cover is on the lower extreme of middle connector, and the lower extreme threaded connection of connecting hole and middle connector, and the bottom of connecting hole and the lower extreme of middle connector leave the interval, make and form a cavity between middle connector and the stand pipe, at the fixed connecting pipe that sets up of lower extreme of stand pipe, and the connecting pipe communicates with the stand pipe is inside.
Preferably, a conical hole is formed in the middle of the bottom of the connecting hole, and the small-bore end of the conical hole is communicated with the upper end of the connecting pipe.
Preferably, the surface of the large aperture end of the conical hole is provided with semicircular grooves, the semicircular grooves are uniformly distributed along the circumferential direction of the inner wall of the large aperture end of the conical hole, and the semicircular grooves extend to the bottom of the large aperture end of the conical hole.
Preferably, the upper end surface of the middle connecting body is provided with a first mounting hole, the lower end surface of the middle connecting body is provided with a second mounting hole, the first mounting hole and the second mounting hole are coaxial, the first mounting hole is communicated with the second mounting hole, and the diameter of the first mounting hole is larger than that of the second mounting hole.
Preferably, the sealing part comprises a sealing rod, a spring and a fixing piece, the sealing rod penetrates through the first mounting hole and the second mounting hole, two ends of the sealing rod extend to the outside of the middle connecting body, the spring is sleeved on the sealing rod and located in the first mounting hole, the fixing piece is arranged on the sealing rod and connected with the sealing rod in a threaded mode, the fixing piece is located at one end, far away from the guide pipe, of the spring, and the spring is clamped in the first mounting hole.
Preferably, the lower end of the sealing rod is fixedly provided with a sealing head, the sealing head is conical, the sealing head is located outside the middle connecting body and is clamped with the lower end face of the middle connecting body, the upper end of the sealing rod is provided with a pin hole, and the pin hole is located on one side, away from the spring, of the fixing piece.
Preferably, the surface of the sealing head, which is in contact with the intermediate connecting body, is provided with a gasket for sealing, and the size of the sealing head is larger than the diameter of the second mounting hole.
The utility model adopts the above technical scheme, its beneficial effect lies in: the utility model comprises an upper clamping sleeve body, a lower guide part, a middle connector and a sealing part, wherein the lower end of the upper clamping sleeve body is sleeved at the upper end of the middle connector, and is detachably connected with the upper end of the middle connecting body, the upper end of the lower guide piece is sleeved at the lower end of the middle connecting body, and is detachably connected with the lower end of the middle connecting body, the sealing component is nested in the middle connecting body, two ends of the sealing component extend to the outside of the middle connecting body, the lower end of the sealing part is clamped with the lower end surface of the middle connector, the foaming agent with pressure enters the upper part cutting sleeve body, the sealing component is compressed under the pushing of the foaming agent with pressure, the lower end of the sealing component is far away from the lower end of the intermediate connecting body, the foaming agent enters the lower guide piece from the intermediate connecting body and then enters the smelting screw, and therefore the injection of the foaming agent into the smelting screw is completed.
The utility model discloses an upper end suit of lower part guide is on the lower extreme of intermediate junction body, make the distance between the lower extreme of intermediate junction body and the lower part guide lower extreme shorten, thereby make the lower extreme of intermediate junction body be close to more and smelt the screw rod, when high temperature melting material in smelting the screw rod returns to the lower part guide of injector in, because the lower extreme of intermediate junction body is close to more and smelts the screw rod, and shorten with the distance between the lower part guide lower extreme, the temperature in the messenger smelts the screw rod can transmit the inside for the intermediate junction body through the lower part guide, so both can guarantee to have certain temperature in the intermediate junction body, and then can guarantee that the material that enters into in the intermediate junction body can not cool off and condense, just so can avoid the injector to take place the jam, thereby.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of fig. 1 from another angle.
Fig. 3 is a schematic sectional structure view of fig. 1.
Fig. 4 is a schematic structural view of the lower guide of the present invention.
Fig. 5 is a schematic cross-sectional view of the lower guide of the present invention.
Fig. 6 is a schematic structural view of the connection between the intermediate connector and the sealing member of the present invention.
Fig. 7 is a schematic cross-sectional structure of fig. 6.
Fig. 8 is a schematic structural view of the intermediate connector of the present invention.
Fig. 9 is a schematic structural view of the upper sleeve body of the present invention.
In the figure: the sealing device comprises an upper clamping sleeve body 10, an injection hole 101, a sleeving hole 102, a lower guide part 20, a guide pipe 201, a conical hole 2011, a semicircular groove 2012, a connecting hole 2013, a connecting pipe 202, an intermediate connecting body 30, a first mounting hole 301, a second mounting hole 302, a sealing component 40, a sealing rod 401, a sealing head 4011, a spring 402, a fixing part 403 and a pin rod 404.
Detailed Description
Referring to fig. 1 to 9, an embodiment of the present invention provides a foaming agent injector for manufacturing an extruded sheet, including an upper cartridge body 10, a lower guide 20, an intermediate connector 30, and a sealing member 40, wherein a lower end of the upper cartridge body 10 is sleeved on an upper end of the intermediate connector 30 and detachably connected to an upper end of the intermediate connector 30, an upper end of the lower guide 20 is sleeved on a lower end of the intermediate connector 30 and detachably connected to a lower end of the intermediate connector 30, the sealing member 40 is nested inside the intermediate connector 30, two ends of the sealing member 40 extend to an outside of the intermediate connector 30, and a lower end of the sealing member 40 is engaged with a lower end surface of the intermediate connector 30, a foaming agent with pressure enters into the upper cartridge body 10, the sealing member 40 is compressed under the push of the foaming agent with pressure, so that the lower end of the sealing member is far away from the lower end of the intermediate connector 30, the blowing agent enters the lower guide 20 from within the intermediate connecting body 30 and then into the melting screw, thereby completing the injection of blowing agent into the melting screw.
The lower end surface of the upper part cartridge body 10 is provided with a sleeving hole 102, the size of the sleeving hole 102 is matched with the outer diameter of the upper end of the intermediate connector 30, the sleeving hole 102 is sleeved on the upper end of the intermediate connector 30 and is in threaded connection with the intermediate connector 30, the lower end surface of the upper part cartridge body 10 is provided with an injection hole 101, the injection hole 101 is communicated with the sleeving hole 102, and the diameter of the injection hole 101 is smaller than that of the sleeving hole 102.
The lower guide part 20 comprises a guide pipe 201 and a connecting pipe 202, wherein the upper end surface of the guide pipe 201 is provided with a connecting hole 2013, the size of the connecting hole 2013 is matched with the outer diameter of the lower end of the middle connecting body 30, the connecting hole 2013 is sleeved on the lower end of the middle connecting body 30, the connecting hole 2013 is in threaded connection with the lower end of the middle connecting body 30, a distance is reserved between the bottom of the connecting hole 2013 and the lower end of the middle connecting body 30, a cavity is formed between the middle connecting body 30 and the guide pipe 201, the connecting pipe 202 is fixedly arranged at the lower end of the guide pipe 201, and the connecting pipe 202 is. A conical hole 2011 is arranged in the middle of the bottom of the connecting hole 2013, and the small-bore end of the conical hole 2011 is communicated with the upper end of the connecting pipe 202. Semicircular groove 2012 is formed in the surface of conical hole 2011 large aperture end, semicircular groove 2012 is evenly distributed along the inner wall circumference of conical hole 2011 large aperture end, and semicircular groove 2012 extends to the bottom of conical hole 2011 large aperture end, when the pressure of foamer is great, can make sealing head 4011 on sealing rod 401 partly insert in conical hole 2011, and the foamer in the intermediate junction body 30 can flow into in the stand pipe 201 from the semicircular groove 2012 that sets up on conical hole 2011 this moment, thereby guarantee that the foamer can be continued inject into in the smelting screw rod.
The upper end surface of the intermediate connecting body 30 is provided with a first mounting hole 301, the lower end surface of the intermediate connecting body 30 is provided with a second mounting hole 302, the first mounting hole 301 and the second mounting hole 302 are coaxial, the first mounting hole 301 is communicated with the second mounting hole 302, and the diameter of the first mounting hole 301 is larger than that of the second mounting hole 302.
The sealing member 40 includes a sealing rod 401, a spring 402, and a fixing member 403, the sealing rod 401 passes through the first mounting hole 301 and the second mounting hole 302, and both ends of the sealing rod 401 extend to the outside of the intermediate connecting body 30, the spring 402 is sleeved on the sealing rod 401, the spring 402 is located in the first mounting hole 301, the fixing member 403 is disposed on the sealing rod 401 and is in threaded connection with the sealing rod 401, and the fixing member 403 is located at one end of the spring 402 far away from the guide tube 201, and the spring 402 is clamped in the first mounting hole 301. The fixed sealed head 4011 that is provided with of lower extreme of sealing rod 401, sealed head 4011 is the toper, on the one hand can reduce the space that occupies the cavity that forms between intermediate junction body 30 and the stand pipe 201, make the volume of the foamer that enters into this cavity more sufficient, on the other hand, because sealed head 4011's lower extreme is the toper, after the foamer enters into the cavity, the foamer can flow along the more gentle circular cone shape hole 2011 of guide pipe 201 in sealed head 4011's inclined plane, thereby play the effect of drainage direction, sealed head 4011 is located intermediate junction body 30's outside, and with intermediate junction body 30's lower terminal surface joint, the upper end of sealing rod 401 is provided with the pinhole, the pinhole is located the one side that the spring 402 was kept away from to the mounting, through inserting pin pole 404 in the pinhole, can make the more firm quilt of mounting 403 fix on sealing rod 401. Because the foaming agent impacts the spring 402 for a long time, the spring 402 is in a compressed and restored state for a long time, and the spring 402 is easy to damage, the detachable installation mode is designed, when the spring 402 sleeved on the sealing rod 401 is damaged, a worker can pull out the pin rod 404, then unscrew the fixing piece 403, take the spring 402 out of the first installation hole 301, and install a new spring 402 again, so that the replacement of the whole injector is omitted, and unnecessary waste is avoided. A surface of the sealing head 4011, which contacts the intermediate connecting body 30, is provided with a gasket for sealing, and the size of the sealing head 4011 is larger than the diameter of the second mounting hole 302.
In addition, another embodiment may also be provided: the extruded sheet production system comprises a foaming agent injector, foaming agent injection equipment and extruded sheet production equipment, wherein the inlet end of the foaming agent injector is communicated with the outlet end of the foaming agent injection equipment, and the outlet end of the foaming agent injector is communicated with the inlet end of a smelting screw of the extruded sheet production equipment so as to inject a foaming agent into the smelting screw, so that the extruded sheet production is smelted.
The utility model discloses a working method as follows: when the foaming agent injection device is used, a worker screws the connecting pipe 202 into the inlet end of a smelting screw, the foaming agent connecting pipe 202 is communicated with the injection hole 101, a foaming agent with pressure enters the upper clamping sleeve body 10 and then enters the intermediate connecting body 30, the sealing rod 401 moves downwards under the pushing of the foaming agent, at the moment, the fixing piece 403 on the sealing rod 401 downwards compresses the spring 402, the sealing head 4011 arranged at the lower end of the sealing rod 401 is far away from the lower section of the intermediate connecting body 30, at the moment, the foaming agent enters a cavity formed between the intermediate connecting body 30 and the guide pipe 201 from the intermediate connecting body 30 and is injected into the smelting screw through the connecting pipe 202, and therefore the foaming agent injection work is completed.
When the spring 402 needs to be replaced, the operator takes the injector off the melting screw, respectively screws the upper clamping sleeve body 10 and the lower guide member 20, and separates the upper clamping sleeve body 10 and the lower guide member 20 from the intermediate connecting body 30, at this time, the operator can pull out the pin rod 404, then unscrew the fixing member 403, take the spring 402 out of the first mounting hole 301, then install a new spring 402, and then reassemble the upper clamping sleeve body 10, the lower guide member 20 and the intermediate connecting body 30, and connect with the melting screw, thereby completing the replacement work of the spring 402.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A foaming agent injector for producing extruded sheets is characterized in that: including the upper portion sleeve chuck body, lower part guide, intermediate junction body, sealing member, the lower extreme suit of the upper portion sleeve chuck body is in the upper end of intermediate junction body to can dismantle with the upper end of intermediate junction body and be connected, the upper end suit of lower part guide is at the lower extreme of intermediate junction body, and can dismantle with the lower extreme of intermediate junction body and be connected, sealing member nestification is inside the intermediate junction body, sealing member's both ends extend to the outside of intermediate junction body, and sealing member's lower extreme and the lower terminal surface joint of intermediate junction body.
2. The blowing agent injector for producing extruded sheets according to claim 1, characterized in that: the lower extreme surface of the upper portion sleeve chuck body is provided with the suit hole, and the external diameter of the size of suit hole and intermediate junction body upper end cooperatees, and the suit hole cover is in the upper end of intermediate junction body, and with intermediate junction body threaded connection, and the filling hole has been seted up on the lower extreme surface of the upper portion sleeve chuck body, and the filling hole communicates with the suit hole, and the diameter of filling hole is less than the diameter of suit hole.
3. The blowing agent injector for producing extruded sheets according to claim 1, characterized in that: the lower part guide piece comprises a guide pipe and a connecting pipe, the upper end surface of the guide pipe is provided with a connecting hole, the size of the connecting hole is matched with the outer diameter of the lower end of the middle connector, the connecting hole is sleeved on the lower end of the middle connector and is in threaded connection with the lower end of the middle connector, the bottom of the connecting hole is spaced from the lower end of the middle connector, a cavity is formed between the middle connector and the guide pipe, the connecting pipe is fixedly arranged at the lower end of the guide pipe, and the connecting pipe is communicated with the inside of the guide pipe.
4. The foaming agent injector for producing extruded sheets according to claim 3, characterized in that: the middle position of the bottom of the connecting hole is provided with a conical hole, and the small aperture end of the conical hole is communicated with the upper end of the connecting pipe.
5. The blowing agent injector for producing extruded sheets according to claim 4, characterized in that: the surface of the large aperture end of the conical hole is provided with semicircular grooves which are uniformly distributed along the circumferential direction of the inner wall of the large aperture end of the conical hole, and the semicircular grooves extend to the bottom of the large aperture end of the conical hole.
6. The blowing agent injector for producing extruded sheets according to claim 1, characterized in that: the upper end surface of the middle connecting body is provided with a first mounting hole, the lower end surface of the middle connecting body is provided with a second mounting hole, the first mounting hole and the second mounting hole are coaxially arranged, the first mounting hole is communicated with the second mounting hole, and the diameter of the first mounting hole is larger than that of the second mounting hole.
7. The blowing agent injector for producing extruded sheets according to claim 1, characterized in that: the sealing component comprises a sealing rod, a spring and a fixing piece, the sealing rod penetrates through a first mounting hole and a second mounting hole, two ends of the sealing rod extend to the outside of the middle connector, the spring is sleeved on the sealing rod and located in the first mounting hole, the fixing piece is arranged on the sealing rod and connected with the sealing rod in a threaded mode, the fixing piece is located at one end, far away from the guide pipe, of the spring, and the spring is clamped in the first mounting hole.
8. The blowing agent injector for producing extruded sheets according to claim 7, characterized in that: the lower end of the sealing rod is fixedly provided with a sealing head which is conical, the sealing head is positioned outside the middle connecting body and clamped with the lower end face of the middle connecting body, and the upper end of the sealing rod is provided with a pin hole which is positioned on one side, far away from the spring, of the fixing piece.
9. The blowing agent injector for producing extruded sheets according to claim 8, wherein: and a gasket for sealing is arranged on the surface of the sealing head, which is in contact with the intermediate connecting body, and the size of the sealing head is larger than the diameter of the second mounting hole.
10. An extruded sheet production system which is characterized in that: the extruded sheet production system comprising a foaming agent injector for producing extruded sheet according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048130.7U CN210190354U (en) | 2019-07-05 | 2019-07-05 | Foaming agent injector for producing extruded sheet and extruded sheet production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048130.7U CN210190354U (en) | 2019-07-05 | 2019-07-05 | Foaming agent injector for producing extruded sheet and extruded sheet production system |
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| Publication Number | Publication Date |
|---|---|
| CN210190354U true CN210190354U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921048130.7U Active CN210190354U (en) | 2019-07-05 | 2019-07-05 | Foaming agent injector for producing extruded sheet and extruded sheet production system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228156A (en) * | 2019-07-05 | 2019-09-13 | 宁夏鼎盛阳光环保科技有限公司 | Produce extruded sheet foaming agent injector and extruded sheet production system |
-
2019
- 2019-07-05 CN CN201921048130.7U patent/CN210190354U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228156A (en) * | 2019-07-05 | 2019-09-13 | 宁夏鼎盛阳光环保科技有限公司 | Produce extruded sheet foaming agent injector and extruded sheet production system |
| CN110228156B (en) * | 2019-07-05 | 2024-04-26 | 宁夏鼎盛阳光环保科技有限公司 | Foaming agent injector for producing extruded sheet and extruded sheet production system |
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