CN209869345U - Forming die of EPS sheet production system - Google Patents
Forming die of EPS sheet production system Download PDFInfo
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- CN209869345U CN209869345U CN201920438643.2U CN201920438643U CN209869345U CN 209869345 U CN209869345 U CN 209869345U CN 201920438643 U CN201920438643 U CN 201920438643U CN 209869345 U CN209869345 U CN 209869345U
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Abstract
The utility model provides a forming die of an EPS sheet production system, which comprises a core sleeve fixedly connected with an extruder of the EPS sheet production system, wherein a cavity extending from the front to the back is arranged in the core sleeve, and the front end of the cavity is communicated with an outlet of the extruder; a mold core is arranged in the cavity, and a flow channel which is gradually reduced from front to back and has an annular cross section is enclosed between the wall surface of the cavity and the mold core; a rear plug is arranged at the rear side of the core sleeve, a conical gap is formed between the front end of the rear plug and the rear end of the core sleeve, and the gap is communicated with the flow channel; and the device also comprises an air blowing mechanism for cooling the EPS sheet. The forming die can enable EPS materials output from the extruder to be extruded in a sheet shape to form EPS sheets.
Description
Technical Field
The utility model relates to a EPS sheet production technical field, in particular to EPS sheet production system's forming die.
Background
When a general KT board production system carries out KT board production, PS particles are foamed through an extruder and then extruded into a forming die to be manufactured into a board core, then films (or stickers) are pasted on two surfaces of the board core, and then the finished KT board is obtained after width sizing and edge cutting and fixed length cutting. The process of using PS granule foaming to form the board core can produce a large amount of waste gases, and these waste gases give off can lead to operational environment bad after the workshop, influence workman's physical and mental health, in order to improve the environment in KT board workshop, have a KT board production system at present and adopt two-layer EPS sheet (a sheet of making after PS foaming) thermal compression to make the board core, and the waste gas volume of production is less. Therefore, there is a need for a production system capable of producing an EPS sheet to provide an EPS sheet, in which a forming die provided at an outlet of an extruder is required to extrude an EPS material in a sheet form to form an EPS sheet.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a forming mold for an EPS sheet production system, which can extrude EPS material in an extruder into EPS sheets in sheet form.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a forming die of an EPS sheet production system comprises a core sleeve fixedly connected with an extruder of the EPS sheet production system, wherein a cavity extending from front to back is arranged in the core sleeve, and the front end of the cavity is communicated with an outlet of the extruder; a mold core is arranged in the cavity, and a flow channel which is gradually reduced from front to back and has an annular cross section is enclosed between the wall surface of the cavity and the mold core; a rear plug is arranged at the rear side of the core sleeve, a conical gap is formed between the front end of the rear plug and the rear end of the core sleeve, and the gap is communicated with the flow channel; and the device also comprises an air blowing mechanism for cooling the EPS sheet.
In the forming die of the EPS sheet production system, the blowing mechanism comprises a wind ring sleeved at the rear end of the core sleeve and a blower used for blowing air to the wind ring; the air blower is characterized in that a plurality of air inlets are uniformly formed in the circumferential surface of the air ring along the circumferential direction, an annular air outlet is formed in the rear side surface of the air ring, and the air blower supplies air to all the air inlets simultaneously through the air conveying pipe.
In the forming die of the EPS sheet production system, the cross section of the cavity is circular; the mold core comprises a circular mounting part, a first cylindrical part, a truncated cone part and a second cylindrical part, wherein the circular mounting part is used for being connected and fixed with the core sleeve; the installation part is provided with a plurality of via holes communicated with the front surface and the rear surface, and the rear plug is arranged at the rear end of the second cylindrical part.
In the forming die of the EPS sheet production system, the width of the gap is adjustable.
In the forming die of the EPS sheet production system, the rear end of the second cylindrical part is provided with an external thread, the center of the rear plug is provided with a mounting hole matched with the second cylindrical part, the front part of the mounting hole is a unthreaded hole, and the rear part of the mounting hole is provided with an internal thread; the rear plug is in threaded connection with the rear end of the second cylindrical portion through the internal thread and is locked through a locking screw.
In the forming die of the EPS sheet production system, the die core further comprises a conical flow guide part arranged at the front end of the mounting part.
In the forming die of the EPS sheet production system, the core sleeve comprises a front sleeve body fixedly connected with the extruder, a middle sleeve body connected with the rear end of the front sleeve body, and a rear sleeve body connected with the rear end of the middle sleeve body; the front sleeve body, the middle sleeve body and the rear sleeve body are respectively provided with a sub-cavity body, and the sub-cavity bodies form the cavity body; the back end face of the front sleeve body and the front end face of the middle sleeve body are provided with mounting grooves, and the mounting parts of the mold cores are clamped through the mounting grooves.
In the forming die of the EPS sheet production system, the circumferential surface of the rear sleeve body is provided with an annular clamping groove, and the rear sleeve body is fixed at the rear end of the middle sleeve body through two semicircular clamping rings; one end of the semicircular clamping ring is clamped with the annular clamping groove, and the other end of the semicircular clamping ring is connected with the middle sleeve body through a screw.
In the forming die of the EPS sheet production system, a sealing ring is arranged between the rear sleeve body and the middle sleeve body.
Has the advantages that:
the utility model provides a forming die of EPS sheet production system, the during operation, EPS material follow the extruder extrude in the cavity of core cover and in the past backward remove, extrude with the slice of conical surface shape in the clearance of taper after the runner between cavity wall and the mold core, the material of extruding forms the EPS sheet after the wind cooling that the mechanism of blowing blew off. It can be seen that the forming die enables EPS material output from the extruder to be extruded in sheet form to form an EPS sheet.
Drawings
Fig. 1 is the utility model provides a forming die's of EPS sheet production system schematic structure diagram.
Fig. 2 is the utility model provides an among the forming die of EPS sheet production system, the schematic structure of mold core.
Fig. 3 is the utility model provides an among the forming die of EPS sheet production system, the structural schematic diagram of back end cap.
Fig. 4 is a schematic structural diagram of the rear sleeve body and the semicircular snap ring in the forming mold of the EPS sheet production system provided by the present invention.
Fig. 5 is a schematic structural diagram of the front sleeve and the middle sleeve in the forming mold of the EPS sheet production system provided by the present invention.
Fig. 6 is the utility model provides an among the forming die of EPS sheet production system, the schematic structure of wind ring.
Detailed Description
The utility model provides a forming die of EPS sheet production system, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Herein, back means in the direction of material movement, i.e. to the right in fig. 1, front and back being reversed.
Referring to fig. 1-6, the present invention provides a forming mold of an EPS sheet production system, which includes a core sleeve 1 fixedly connected to an extruder of the EPS sheet production system, the core sleeve has a cavity 1.1 extending from the front to the back, and the front end of the cavity is communicated with an outlet of the extruder; a mold core 2 is arranged in the cavity, and a flow channel 1.1a which gradually becomes smaller from front to back and has an annular cross section is enclosed between the wall surface of the cavity and the mold core; a rear plug 3 is arranged at the rear side of the core sleeve, a conical gap 4 is formed between the front end of the rear plug and the rear end of the core sleeve, and the gap is communicated with the flow channel 1.1 a; an air blowing mechanism 5 for cooling the EPS sheet 90 is also included.
When the EPS sheet winding machine works, EPS materials are extruded into a cavity of a core sleeve from an extruder and move from front to back (moving according to a dotted arrow in figure 1), the EPS materials are extruded in a conical sheet shape from a conical gap after passing through a flow channel between the wall surface of the cavity and a mold core, the extruded materials are cooled by air blown out by a blowing mechanism to form an EPS sheet, the EPS sheet can also be guided by a rear guide cylinder 91 and further cooled to form a cylindrical EPS sheet, and finally, the EPS sheet is cut and flattened by a cutter along the length direction to be wound. It can be seen that the forming die enables EPS material output from the extruder to be extruded in sheet form to form an EPS sheet.
Further, the blowing mechanism 5 comprises a wind ring 5.1 sleeved at the rear end of the core sleeve 1 and a blower 5.2 used for supplying air to the wind ring; the periphery of the air ring is uniformly provided with a plurality of air inlets 5.1a along the circumferential direction, the rear side surface of the air ring is provided with an annular air outlet 5.1b, and the air blower supplies air to all the air inlets simultaneously through the air conveying pipe. Wind enters the wind ring from each wind inlet along the radial direction and is finally ejected backwards from the wind outlet (the wind moves along the solid line arrow in fig. 1), and the ejected wind is relatively uniform in the circumferential direction, so that the sheet is uniformly cooled.
Referring to fig. 1, the front part of the wall surface of the trepanning of the wind ring 5.1 for being sleeved with the core sleeve 1 is a truncated cone, the rear end of the truncated cone is smaller than the front end of the trepanning, and the truncated cone has a flow guiding function, so that radial wind can be smoothly converted into backward blowing wind, and the uniformity of the wind is improved.
Specifically, as shown in fig. 1 and 2, the cross section of the cavity 1.1 is circular; the mold core 2 comprises a circular mounting part 2.1, a first cylindrical part 2.2, a truncated cone part 2.3 and a second cylindrical part 2.4, wherein the circular mounting part is used for being connected and fixed with the core sleeve 1; a plurality of through holes 2.2a communicated with the front surface and the rear surface are formed in the mounting part, and the rear plug 3 is arranged at the rear end of the second cylindrical part. The mold core is fixed in the cavity through the installation part, and the EPS material passes through the installation part from the through hole 2.2a, so that the installation part does not influence the movement of the EPS material in the cavity.
Preferably, the width of the gap 4 (i.e. the distance between the front end face of the rear plug and the rear end face of the core sleeve) is adjustable. By adjusting the width, the thickness of the EPS sheet can be adjusted, so that EPS sheets with different thicknesses can be produced by the same forming die.
Specifically, as shown in fig. 1 and 3, the rear end of the second cylindrical portion 2.4 is provided with an external thread 2.4a, the center of the rear plug 3 is provided with an installation hole 3.1 adapted to the second cylindrical portion, the front portion of the installation hole is a unthreaded hole, and the rear portion of the installation hole is provided with an internal thread; the rear plug is in threaded connection with the rear end of the second cylindrical portion through the internal thread and is locked by a locking screw 3.2. Here, the rear plug has a threaded bore 3.3 in the radial direction, in which the locking screw 3.2 is arranged. When the width of the gap 4 needs to be adjusted, the locking screw is unscrewed, the front position and the rear position of the rear plug are adjusted by rotating the rear plug, and finally the locking screw is screwed again.
Further, the mold core 2 further comprises a conical flow guide part 2.5 arranged at the front end of the installation part 2.1, so that the moving resistance of the EPS material in the cavity can be reduced, and the EPS material can be moved smoothly.
Referring to fig. 1, the core sleeve 1 comprises a front sleeve body 1.2 fixedly connected with the extruder, a middle sleeve body 1.3 connected with the rear end of the front sleeve body, and a rear sleeve body 1.4 connected with the rear end of the middle sleeve body; the front sleeve body, the middle sleeve body and the rear sleeve body are respectively provided with a sub-cavity, and the sub-cavities form the cavity 1.1; the back end face of the front sleeve body and the front end face of the middle sleeve body are provided with mounting grooves 1.5, and mounting parts 2.1 of the mold cores 2 are clamped through the mounting grooves.
Here, the sub-cavity of the front sleeve 1.2 is cylindrical, and the front end of the front sleeve is provided with a flange part which is fixedly connected with the extruder through a screw; the front part of the sub cavity of the middle sleeve body 1.3 is cylindrical, the rear part is truncated cone-shaped with a larger front part and a smaller rear part, the first cylindrical part 2.2 and the truncated cone part 2.3 of the mold core 2 are arranged in the sub cavity, so that a gradually-reduced flow channel is formed, and the middle sleeve body is fixedly connected with the front sleeve body 1.2 through screws; the sub-cavity of the back cover body 1.4 is cylindrical, the diameter of the sub-cavity is not larger than the diameter of the rear end of the sub-cavity of the middle cover body 1.3, and the second cylindrical part 2.4 of the mold core 2 penetrates through the sub-cavity of the back cover body 1.4.
Furthermore, the circumferential surface of the rear sleeve body 1.4 is provided with an annular clamping groove 1.4a, and the rear sleeve body is fixed at the rear end of the middle sleeve body 1.3 through two semicircular clamping rings 1.6; one end of the semicircular clamping ring is clamped with the annular clamping groove, and the other end of the semicircular clamping ring is connected with the middle sleeve body through a screw. Here, the semicircular snap ring 1.6 is provided at a rear end thereof with a protrusion 1.6a adapted to the ring slot 1.4a, and the protrusion 1.6a is engaged with the ring slot. The semicircular clamping ring can be assembled and disassembled, so that the size of the flow channel can be changed by replacing the rear sleeve bodies with different inner diameters, and the production requirements of EPS sheets with different thicknesses can be met.
In addition, be provided with sealing washer 1.7 between the back cover body 1.4 and the middle cover body 1.3, as shown in fig. 1, on the one hand can play sealed effect, avoid the EPS material to flow from the clearance between the back cover body and the middle cover body, on the other hand, because the sealing washer has elasticity, the back is installed to the semicircular snap ring, and the back cover body can compress tightly the sealing washer to eliminate the gap reliably, avoid the back cover body to take place to rock.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (9)
1. A forming die of an EPS sheet production system is characterized by comprising a core sleeve fixedly connected with an extruder of the EPS sheet production system, wherein a cavity extending from front to back is arranged in the core sleeve, and the front end of the cavity is communicated with an outlet of the extruder; a mold core is arranged in the cavity, and a flow channel which is gradually reduced from front to back and has an annular cross section is enclosed between the wall surface of the cavity and the mold core; a rear plug is arranged at the rear side of the core sleeve, a conical gap is formed between the front end of the rear plug and the rear end of the core sleeve, and the gap is communicated with the flow channel; and the device also comprises an air blowing mechanism for cooling the EPS sheet.
2. The forming die of an EPS sheet production system of claim 1, wherein the blowing mechanism comprises a wind ring fitted over the rear end of the core sleeve, and a blower for blowing air to the wind ring; the air blower is characterized in that a plurality of air inlets are uniformly formed in the circumferential surface of the air ring along the circumferential direction, an annular air outlet is formed in the rear side surface of the air ring, and the air blower supplies air to all the air inlets simultaneously through the air conveying pipe.
3. The forming die of an EPS sheet production system according to claim 1, wherein the cavity has a circular cross section; the mold core comprises a circular mounting part, a first cylindrical part, a truncated cone part and a second cylindrical part, wherein the circular mounting part is used for being connected and fixed with the core sleeve; the installation part is provided with a plurality of via holes communicated with the front surface and the rear surface, and the rear plug is arranged at the rear end of the second cylindrical part.
4. The forming die of an EPS sheet production system according to claim 3, wherein the width of the gap is adjustable.
5. The forming die of the EPS sheet production system of claim 4, wherein the rear end of the second cylindrical portion is provided with external threads, the center of the rear plug is provided with a mounting hole adapted to the second cylindrical portion, the front portion of the mounting hole is a smooth hole, and the rear portion of the mounting hole is provided with internal threads; the rear plug is in threaded connection with the rear end of the second cylindrical portion through the internal thread and is locked through a locking screw.
6. The molding die of an EPS sheet production system according to claim 3, wherein the mold core further comprises a tapered guide portion provided at a front end of the mounting portion.
7. The forming die of an EPS sheet production system as claimed in claim 3, wherein the core housing comprises a front housing body fixedly connected to the extruder, a middle housing body connected to a rear end of the front housing body, and a rear housing body connected to a rear end of the middle housing body; the front sleeve body, the middle sleeve body and the rear sleeve body are respectively provided with a sub-cavity body, and the sub-cavity bodies form the cavity body; the back end face of the front sleeve body and the front end face of the middle sleeve body are provided with mounting grooves, and the mounting parts of the mold cores are clamped through the mounting grooves.
8. The forming die of the EPS sheet production system of claim 7, wherein the circumferential surface of the rear sleeve body is provided with an annular clamping groove, and the rear sleeve body is fixed at the rear end of the middle sleeve body by two semicircular clamping rings; one end of the semicircular clamping ring is clamped with the annular clamping groove, and the other end of the semicircular clamping ring is connected with the middle sleeve body through a screw.
9. The forming die of an EPS sheet production system of claim 8, wherein a sealing ring is disposed between the rear housing body and the middle housing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920438643.2U CN209869345U (en) | 2019-04-02 | 2019-04-02 | Forming die of EPS sheet production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920438643.2U CN209869345U (en) | 2019-04-02 | 2019-04-02 | Forming die of EPS sheet production system |
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| Publication Number | Publication Date |
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| CN209869345U true CN209869345U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920438643.2U Active CN209869345U (en) | 2019-04-02 | 2019-04-02 | Forming die of EPS sheet production system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910266A (en) * | 2019-04-02 | 2019-06-21 | 佛山市高明爱博广告装饰材料有限公司 | A kind of molding die of EPS sheet production system |
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2019
- 2019-04-02 CN CN201920438643.2U patent/CN209869345U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910266A (en) * | 2019-04-02 | 2019-06-21 | 佛山市高明爱博广告装饰材料有限公司 | A kind of molding die of EPS sheet production system |
| CN109910266B (en) * | 2019-04-02 | 2024-04-26 | 佛山市高明爱博广告装饰材料有限公司 | Forming die of EPS sheet production system |
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