CN218615338U - Extrusion molding die - Google Patents
Extrusion molding die Download PDFInfo
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- CN218615338U CN218615338U CN202223123669.9U CN202223123669U CN218615338U CN 218615338 U CN218615338 U CN 218615338U CN 202223123669 U CN202223123669 U CN 202223123669U CN 218615338 U CN218615338 U CN 218615338U
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Abstract
The application relates to an extrusion molding die, which belongs to the field of extrusion molding dies and comprises a first die plate and a second die plate, wherein the first die plate and the second die plate are arranged in an abutting mode and are provided with molding cavities together; the mold core is inserted into the molding cavity, the mold core extends outwards to form a fixing part corresponding to the abutting position of the first mold plate and the second mold plate, and the mold core is clamped between the first mold plate and the second mold plate through the fixing part; the first bolt penetrates through the first die plate, the fixing part of the die core and the second die plate and fixes the first die plate, the fixing part of the die core and the second die plate; the third bolt penetrates through the side faces of the first die plate and the second die plate respectively and abuts against the die core to fix the die core; the guide plate is arranged on the first die plate, and the forming cavity is communicated with the plastic extruding machine through the guide plate. This application has the simple and firm effect of installing in the mould of the mold core of being convenient for.
Description
Technical Field
The application relates to the field of extrusion molding dies, in particular to an extrusion molding die.
Background
At present, plastic products are used more and more, an extruding machine is an important plastic machine, most of plastic products can be produced and manufactured by means of extrusion molding, for example, common plastic plates in life are installed on the extruding machine, the extruding machine can compress and heat plastic into a molten liquid form and guide the plastic into a mold, different mold cores are installed in the mold according to plates with different surface shapes and grains, the plates with expected shapes and grains are produced, the commonly used mold cores are formed by inserting, different installation blocks are inserted into the mold cores according to different grains of the plates, and the mold cores are fixed in the mold.
According to the related technology, when the mold core formed by splicing is installed, different installation holes are firstly spliced at corresponding positions, and then the spliced mold core is installed in the mold.
SUMMERY OF THE UTILITY MODEL
In order to make the simple and firm installation of mold core in the mould, this application provides an extrusion molding mould.
The application provides an extrusion molding mould adopts following technical scheme:
an extrusion die comprising:
the mould comprises a first mould plate and a second mould plate, wherein the first mould plate and the second mould plate are arranged in an abutting mode and are provided with a forming cavity together;
the mold core is inserted into the molding cavity, the mold core extends outwards corresponding to the abutting positions of the first mold plate and the second mold plate to form a fixing part, and the mold core is clamped between the first mold plate and the second mold plate through the fixing part;
the first bolt penetrates through the first die plate, the fixing part of the die core and the second die plate and fixes the first die plate, the fixing part of the die core and the second die plate;
the third bolt penetrates through the side faces of the first mold plate and the second mold plate respectively and abuts against the mold core to fix the mold core;
the guide plate is arranged on the first die plate, and the forming cavity is communicated with the plastic extruding machine through the guide plate.
By adopting the scheme, when the mould is actually installed and used, the first mould plate is firstly placed, the integrally formed mould core is inserted into the forming cavity of the first mould plate, the second mould plate is inserted into the mould cavity along one end of the mould core far away from the first mould plate, the fixing part of the mould core is positioned between the first mould plate and the second mould plate, the second mould plate is simply clamped and fixed through the first mould plate and the second mould plate, the fixing is realized through the first bolt, the third bolt is screwed into the side walls of the first mould plate and the second mould plate and is abutted against the mould core, and the mould is reinforced once more. At the moment, the mold core is firmly fixed in the mold and is simple and convenient to install, and only the first bolt and the third bolt need to be screwed off when the mold core is detached and cleaned. And then the guide plate is fixed on the first mould plate and communicated with the extruding machine through the guide plate, and the production can be carried out.
Preferably, the cover plates are arranged at two ends of the first mold plate and the second mold plate corresponding to the length direction of the mold core, the mold core is sleeved with the cover plates, and the cover plates can be sealed between the mold core and the opening of the forming cavity.
Through adopting above-mentioned scheme, mold core length direction both ends and butt in first mould board and second mould board are located to the apron cover, are fixed in first mould board and second mould board with the apron on, can play further fixed action to the mold core on the one hand, and on the other hand, the apron can seal the gap between template and the shaping chamber, reduces the probability that material liquid leaked.
Preferably, the guide plate is provided with a clamping groove corresponding to the forming cavity of the first die plate, and the clamping groove can be matched and sealed with the cover plate.
Through adopting above-mentioned scheme, before being fixed in first mould board with the guide plate, at first the joint groove and the cooperation of apron joint through the guide plate, the side apron is located the joint inslot, eliminates the gap between guide plate and the first mould board, makes the structure more firm, and on the other hand can play the effect of sealed guide plate and first mould board intercommunication department, reduces the probability that material liquid appears leaking when flowing in first mould board from the guide plate, is favorable to the safety in production.
Preferably, the second die plate is provided with a second abdicating groove corresponding to the position where the second die plate is abutted against the first die plate.
Through adopting above-mentioned scheme, when dismantling the clearance first mould board and second mould board, because first mould board and second mould board surface are too smooth to be unfavorable for directly moving it down, the workman can stretch into the second with the hand and step down the groove in, and then dismantle first mould board.
Preferably, the guide plate is provided with a first guide cavity and a second guide cavity which are communicated with each other, the first guide cavity is communicated with the plastic extruding machine, and the second guide cavity is communicated with the molding cavity.
By adopting the scheme, the molten material liquid enters the guide plate from the extruder, flows through the first guide cavity and the second guide cavity of the guide plate in sequence and enters the forming cavities of the first die plate and the second die plate.
Preferably, the first diversion cavity and the second diversion cavity are in a splayed shape, the opening increasing sides of the first diversion cavity and the second diversion cavity are close to each other, and the diversion plate is fixedly connected with the dividing teeth corresponding to the space between the first diversion cavity and the second diversion cavity.
Through adopting above-mentioned scheme, the tooth is cut apart to the molten form material liquid through first water conservancy diversion chamber flow direction, pours liquid and cut apart the tooth and cut apart and be the strip liquid, and many strip liquids flow into the second water conservancy diversion chamber together and collect and evenly be full of the second water conservancy diversion chamber, make more even entering shaping intracavity of material liquid, improved the material liquid and can't be full of the shaping chamber and lead to the unqualified condition of panel.
In summary, the present application has the following beneficial effects:
1. during actual installation and use, the first mold plate is placed firstly, the integrally formed mold core is inserted into the forming cavity of the first mold plate, the second mold plate is inserted along one end, far away from the first mold plate, of the mold core, the fixing portion of the mold core is located between the first mold plate and the second mold plate, the second mold plate is simply clamped and fixed through the first mold plate and the second mold plate, fixing is achieved through the first bolt, the third bolt is screwed into the side walls of the first mold plate and the second mold plate and is abutted against the mold core, and reinforcement is carried out again. At the moment, the mold core is firmly fixed in the mold and is simple and convenient to install, and only the first bolt and the third bolt need to be screwed off when the mold core is disassembled and cleaned. Then the guide plate is fixed on the first mould plate and communicated with the extruding machine through the guide plate, and the production can be carried out;
2. before the guide plate is fixed on the first die plate, the guide plate is clamped and matched with the cover plate through the clamping groove of the guide plate, on one hand, the cover plate is positioned in the clamping groove, gaps between the guide plate and the first die plate are eliminated, the structure is firmer, on the other hand, the effect of sealing the communication position of the guide plate and the first die plate can be achieved, the probability of leakage when material liquid flows into the first die plate from the guide plate is reduced, and safety production is facilitated;
3. when dismantling the clearance first mould board and second mould board, because first mould board and second mould board surface are too smooth to be unfavorable for directly moving it down, the workman can stretch into the second with the hand and step down the groove in, and then dismantle first mould board.
Drawings
FIG. 1 is a schematic view of an extrusion die according to an embodiment of the present application;
FIG. 2 is a schematic view showing a structure of a protruding core of an extrusion mold according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a protruding molding cavity of an extrusion die of an embodiment of the present application;
fig. 4 is a schematic view of a protruding deflector of an extrusion die according to an embodiment of the present application.
Description of reference numerals: 1. a first mold plate; 11. a second mold plate; 12. a molding cavity; 13. a mold core; 14. a fixed part; 15. a first bolt; 16. a cover plate; 17. a second bolt; 18. a third bolt; 19. a second abdicating groove; 2. a baffle; 21. a fourth bolt; 22. a sprue bush; 23. a first flow guide cavity; 24. a second diversion cavity; 25. a clamping groove; 26. and (6) dividing the teeth.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses an extrusion molding die. Referring to fig. 1 and 2, including first mould board 1 and second mould board 11 that the cross-section is rectangle, first mould board 1 and second mould board 11 arrange along the central line direction in proper order, forming cavity 12 has been seted up along the central line direction to first mould board 1 and second mould board 11, forming cavity 12 runs through first mould board 1 and second mould board 11, first mould board 1 and second mould board 11 correspond and are provided with integrated into one piece's mold core 13 in the forming cavity 12, mold core 13 inserts and locates in the forming cavity 12 of first mould board 1 and second mould board 11. The mold core 13 is extended outwards corresponding to the abutting positions of the first mold plate 1 and the second mold plate 11 to form a fixing portion 14, the fixing portion 14 of the mold core 13 is extended outwards along the two ends of the mold core 13 in the width direction, a first avoiding groove is formed in the positions, corresponding to the fixing portion 14 of the mold core 13, of the first mold plate 1 and the second mold plate 11, and the fixing portion 14 of the mold core 13 is inserted into the first avoiding groove. The positions, corresponding to the fixing portions 14 of the mold cores 13, of the first mold plate 1 and the second mold plate 11 are jointly provided with a plurality of positioning holes, the positioning holes are formed in the thickness direction of the first mold plate 1 and the thickness direction of the second mold plate 11, first bolts 15 are inserted into the positions, corresponding to the positioning holes, of the first mold plate 1, the fixing portions 14 of the mold cores 13 and the second mold plate 11 are penetrated by the first bolts 15, and the mold cores 13 are fixed.
Referring to fig. 1 and 3, the cover plates 16 are inserted at both ends of the length direction of the mold core 13, the cover plates 16 are sleeved at both ends of the length direction of the mold core 13 and abut against the opening positions of the forming cavities 12 of the first mold plate 1 and the second mold plate 11 respectively, a plurality of first threaded holes are formed in the cover plates 16 and the first mold plate 1 and the second mold plate 11 together, the cover plates 16 are connected with second bolts 17 corresponding to the first threaded holes in a threaded manner, the second bolts 17 can fix the cover plates 16 on the first mold plate 1 and the second mold plate 11, and meanwhile, the cover plates 16 can fix the mold core 13. A plurality of second threaded holes are formed in the thickness direction of the first die plate 1 and the second die plate 11, the second threaded holes extend to the two ends of the length direction of the die core 13, the positions, corresponding to the second threaded holes, of the first die plate 1 and the second die plate 11 are in threaded connection with third bolts 18, the third bolts 18 can abut against the die core 13, and the die core 13 is fixed. The 11 side of second mould board corresponds and has seted up the second groove of stepping down 19 with 1 butt department of first mould board, and the second groove of stepping down 19 sets up with the second screw hole syntropy, when dismantling clearance first mould board 1 and second mould board 11, because first mould board 1 and 11 surfaces of second mould board are too smooth to be unfavorable for directly moving it down, the workman can stretch into the second groove of stepping down 19 with the hand, and then dismantle first mould board 1.
Referring to fig. 3 and 4, a guide plate 2 is arranged on the surface of a first mold plate 1, a fourth bolt 21 is arranged on the guide plate 2 in a penetrating manner, the guide plate 2 is fixed on the surface of the first mold plate 1 through the fourth bolt 21, the first mold plate 1 is connected with an extruder through the guide plate 2, and a molten material liquid enters the first mold plate 1 through the guide plate 2. The central position of the guide plate 2 is provided with a pouring opening along the thickness direction, the pouring opening is in a circular shape, the position of the guide plate 2 corresponding to the pouring opening is fixedly connected with a sprue bush 22, and the sprue bush 22 is in a cylindrical shape. A first diversion cavity 23 and a second diversion cavity 24 are formed in the position, corresponding to the pouring opening, of the bottom plate along the thickness direction, the first diversion cavity 23 and the second diversion cavity 24 are in a splayed shape, the first diversion cavity 23 is located at the position close to the pouring opening, and the cross section of the first diversion cavity 23 is gradually enlarged from the position close to the pouring opening to the position far away from the pouring opening; second water conservancy diversion chamber 24 is located and keeps away from pouring mouthful position department, and the cross section in second water conservancy diversion chamber 24 is by being close to pouring mouthful position department to keeping away from pouring mouthful position department and dwindling gradually, and second water conservancy diversion chamber 24 can communicate in shaping chamber 12, and joint groove 25 has been seted up to guide plate 2 corresponding second water conservancy diversion chamber 24 opening part, and joint groove 25 can be sealed with apron 16 cooperation. The bottom plate is fixedly connected with a dividing tooth 26 corresponding to the position between the first flow guide cavity 23 and the second flow guide cavity 24, the dividing tooth 26 is communicated with the first flow guide cavity 23 and the second flow guide cavity 24, molten material liquid enters through a pouring opening and flows to the dividing tooth 26 through the first flow guide cavity 23, pouring liquid is divided into strip-shaped liquid by the dividing tooth 26, a plurality of strip-shaped liquid flows into the second flow guide cavity 24 together to be gathered and evenly filled in the second flow guide cavity 24, and finally flows into the mold core 13 of the first mold plate 1 from the second flow guide cavity 24 and is molded and extruded through the second mold plate 11.
The implementation principle of the extrusion molding die in the embodiment of the application is as follows: when the mold is actually installed and used, the first mold plate 1 is placed, the mold core 13 is inserted into the molding cavity 12 of the first mold plate 1, the second mold plate 11 is inserted into the mold cavity along one end of the mold core 13 far away from the first mold plate 1, the fixing portion 14 of the mold core 13 is located in the first abdicating groove, and the first bolt 15 and the third bolt 18 are screwed down. Subsequently, the cover plates 16 are respectively inserted into two ends of the mold core 13 and abutted against the first mold plate 1 and the second mold plate 11, and simultaneously cover the opening positions of the forming cavities 12 of the first mold plate 1 and the second mold plate 11, and the cover plates 16 are fixed with the first mold plate 1 and the second mold plate 11 through the second bolts 17. Secondly, the guide plate 2 is fixed on the first mold plate 1, the guide plate 2 is simply clamped and fixed with the cover plate 16 through the clamping groove 25 of the guide plate 2, the guide plate 2 and the first mold plate 1 are fixed through the fourth bolt 21, and finally the guide plate 2 is connected to the plastic extruding machine through the sprue bush 22 of the guide plate 2.
The embodiment of the application has the effect of being convenient for the mold core to be simply and firmly installed in the mold.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. An extrusion die, comprising:
the die comprises a first die plate (1) and a second die plate (11), wherein the first die plate (1) and the second die plate (11) are arranged in an abutting mode, and a forming cavity (12) is formed in the first die plate (1) and the second die plate (11) together;
the integrally formed mold core (13) is inserted into the forming cavity (12), the mold core (13) extends outwards to form a fixing part (14) corresponding to the abutting position of the first mold plate (1) and the second mold plate (11), and the mold core (13) is clamped between the first mold plate (1) and the second mold plate (11) through the fixing part (14);
the first bolt (15), the said first bolt (15) is worn and set up in the said first mould board (1), the said fixed portion (14) and the said second mould board (11) of the said mould core (13) and fixes the three;
third bolts (18), wherein the third bolts (18) penetrate through the side surfaces of the first die plate (1) and the second die plate (11) respectively and abut against the die core (13) to fix the die core (13);
the guide plate (2), the guide plate (2) set up in first mould board (1), forming cavity (12) passes through guide plate (2) and extruding machine intercommunication.
2. An extrusion die as in claim 1, wherein: the first mould plate (1) and the second mould plate (11) correspond to the two ends of the length direction of the mould core (13) are provided with cover plates (16), the mould core (13) is sleeved with the cover plates (16), and the cover plates (16) can be sealed between the mould core (13) and the opening of the forming cavity (12).
3. An extrusion die as in claim 2, wherein: the guide plate (2) corresponds the forming cavity (12) of the first die plate (1) is provided with a clamping groove (25), and the clamping groove (25) can be matched and sealed with the cover plate (16).
4. An extrusion die as in claim 1, wherein: and a second abdicating groove (19) is formed in the position, corresponding to the first mould plate (1), of the second mould plate (11).
5. An extrusion die as in claim 1, wherein: the guide plate (2) is provided with a first guide cavity (23) and a second guide cavity (24) which are communicated with each other, the first guide cavity (23) is communicated with the plastic extruding machine, and the second guide cavity (24) is communicated with the molding cavity (12).
6. An extrusion die as in claim 5, wherein: first water conservancy diversion chamber (23) with second water conservancy diversion chamber (24) all are the splayed form, first water conservancy diversion chamber (23) with second water conservancy diversion chamber (24) opening increase one side is close to each other, guide plate (2) correspond first water conservancy diversion chamber (23) with the rigid coupling has between second water conservancy diversion chamber (24) and cuts apart tooth (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223123669.9U CN218615338U (en) | 2022-11-24 | 2022-11-24 | Extrusion molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223123669.9U CN218615338U (en) | 2022-11-24 | 2022-11-24 | Extrusion molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218615338U true CN218615338U (en) | 2023-03-14 |
Family
ID=85450484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223123669.9U Active CN218615338U (en) | 2022-11-24 | 2022-11-24 | Extrusion molding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218615338U (en) |
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2022
- 2022-11-24 CN CN202223123669.9U patent/CN218615338U/en active Active
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