1. The utility model provides a seat board is with automatic quick forming die who prevents liquid seepage, includes bedplate (1), bed die (2) and upper die cover (3), its characterized in that: the lower die (2) is arranged above the seat plate (1), the upper die cover (3) is hinged on the lower die (2), an upper die cavity (4) is arranged on the inner side of the upper die cover (3), a lower die cavity (5) is arranged on the inner side of the lower die (2), a rubber ring (6) is arranged at the edge below the upper die cover (3), a sealing groove (7) matched with the rubber ring (6) is arranged at the edge of the top of the lower die (2), an upper ejection assembly is arranged on the upper die cover (3), and a lower ejection assembly is arranged on the lower die (2);

the two sides of the lower die (2) are provided with mounting cavities (8), the mounting cavities (8) are communicated to the outer wall of the lower die cavity (5), the front end of the lower die (2) is provided with a supporting plate (9), motors (10) are movably mounted on the two sides of the supporting plate (9), the two sides of the front end of the lower die (2) are provided with sliding grooves (11), the sliding grooves (11) are communicated with the mounting cavities (8), the output end of each motor (10) penetrates through the corresponding sliding groove (11) to the corresponding mounting cavity (8), the output end of each motor (10) is provided with a conductive sliding ring (12), the front end of each conductive sliding ring (12) is provided with a metal plate (13) and a semiconductor plate (14), and the metal plate (13) and the semiconductor plate (14) are mutually attached and electrified.

2. The automatic rapid prototyping die of claim 1 wherein: the upper ejection assembly comprises a first material pushing plate (15) and a first pneumatic cylinder (16), a movable groove is formed in the top of the inner portion of the upper die cavity (4), the first material pushing plate (15) is movably arranged in the movable groove, the first pneumatic cylinder (16) is arranged at the upper end of the upper die cover (3), and the output end of the first pneumatic cylinder (16) extends to the inner portion of the movable groove and is connected with the first material pushing plate (15).

3. The automatic rapid prototyping die for preventing liquid leakage of seat plate of claim 2 wherein: supporting plates (17) are supported between two sides of the bottom of the lower die (2) and the seat plate (1), the lower ejection assembly comprises a second material pushing plate (18) and a driving portion, a sliding groove is formed in the bottom of the inner portion of the lower die cavity (5), the second material pushing plate (18) is movably mounted in the sliding groove, and the driving portion is arranged between the bottom of the lower die (2) and the seat plate (1).

4. The automatic rapid prototyping die of claim 3 wherein said liquid leakage prevention structure comprises: the driving part comprises a sliding rod (19) and a pushing block (20), the pushing block (20) is movably mounted on the sliding rod (19), a connecting rod (21) is arranged above the pushing block (20), and the upper end of the connecting rod (21) penetrates through the bottom of the lower die (2) and is connected with the second material pushing plate (18).

5. The automatic rapid prototyping die of claim 4 for preventing liquid leakage of seat plate is characterized in that: the rear of the top of the seat plate (1) is provided with a driving motor, an output end of the driving motor is provided with an eccentric wheel (22), the push block (20) is provided with a fit groove (23), and an eccentric shaft of the eccentric wheel (22) is matched with the fit groove (23).

6. The automatic rapid prototyping die of claim 5 wherein: the rubber ring (6) comprises a first rubber sheet (24) and a second rubber sheet (25), the first rubber sheet (24) is sleeved on the outer side of the second rubber sheet (25), a thermal expansion rubber strip (26) is filled between the first rubber sheet (24) and the second rubber sheet (25), and the thermal expansion rubber strip (26) is wavy.

7. The automatic rapid prototyping die of claim 6 wherein: the both sides at bedplate (1) top all are equipped with articulated shaft (27), and rotate on articulated shaft (27) and install second pneumatic cylinder (28), the both sides of going up die cover (3) all are equipped with gangbar (29), and movable mounting has sliding sleeve (30) on gangbar (29), and is two sets of the output of second pneumatic cylinder (28) is respectively with two sets of sliding sleeve (30) are connected.

8. The automatic rapid prototyping die of claim 7 wherein: the electromagnetic guide rails (31) are arranged on two sides of the top of the supporting plate (9), and the motors (10) on two sides are movably mounted on the electromagnetic guide rails (31) on two sides respectively through electromagnetic sliders.

9. An automated rapid prototyping mould for liquid leakage prevention for a seat plate as set forth in any one of claims 1 to 8 wherein: the front end of bed die (2) is equipped with breather pipe (32), and breather pipe (32) intercommunication bed die cavity (5), the inside activity of breather pipe (32) is equipped with pull rod (33), and the rear end of pull rod (33) is equipped with sealing plug (34), the outside of breather pipe (32) is equipped with external screw thread (35), the front end of pull rod (33) is equipped with nut lid (36) with external screw thread (35) looks adaptation.

Background

In the processing of the automobile plastic seat plate, a foaming mold is often needed, wherein the foaming mold is used for directly filling foaming resin into the mold, heating and melting the foaming resin to form a gas-liquid saturated solution, forming a large number of micro bubble nuclei through the nucleation effect, and growing the bubble nuclei to prepare a foam plastic part;

in the prior art, in the processing of a foaming mold, an additional plurality of heating devices and heat dissipation devices are required, the heating and heat dissipation integration cannot be realized, the operation is troublesome, and in the use of the existing foaming mold, internal raw materials expand after being heated and melted, and easily leak out from gaps of the mold, so that the quality of a seat plate is affected.

Disclosure of Invention

In order to solve the problems, the invention provides an automatic rapid forming die for preventing liquid leakage for a seat plate, which contains foaming raw materials through a lower die cavity and an upper die cavity, and forms a Schottky junction by electrifying a metal plate and a semiconductor plate.

In order to realize the purpose of the invention, the invention is realized by the following technical scheme: an automatic rapid forming die for preventing liquid leakage for a seat plate comprises a seat plate, a lower die and an upper die cover, wherein the lower die is arranged above the seat plate, the upper die cover is hinged to the lower die, an upper die cavity is arranged on the inner side of the upper die cover, a lower die cavity is arranged on the inner side of the lower die, a rubber ring is arranged at the edge below the upper die cover, a sealing groove matched with the rubber ring is arranged at the edge of the top of the lower die, an upper ejection assembly is arranged on the upper die cover, and a lower ejection assembly is arranged on the lower die;

the both sides of bed die all are equipped with the installation cavity, and the installation cavity communicates to the outer wall department of bed die cavity, the front end of bed die is equipped with the layer board, and the equal movable mounting in both sides on the layer board has the motor, the both sides of bed die front end all are equipped with the spout, and spout intercommunication installation cavity, the output of motor passes the inside of spout to installation cavity, and the output of motor is equipped with the conductive sliding ring, the front end of conductive sliding ring is equipped with metal sheet and semiconductor board, and metal sheet and semiconductor board laminate each other and the circular telegram.

The further improvement lies in that: the upper ejection assembly comprises a first material pushing plate and a first pneumatic cylinder, a movable groove is formed in the top of the inner portion of the upper die cavity, the first material pushing plate is movably arranged inside the movable groove, the first pneumatic cylinder is arranged at the upper end of the upper die cover, and the output end of the first pneumatic cylinder extends to the inner portion of the movable groove and is connected with the first material pushing plate.

The further improvement lies in that: the lower die is characterized in that a supporting plate is supported between two sides of the bottom of the lower die and the seat plate, the lower ejection assembly comprises a second material pushing plate and a driving portion, a sliding groove is formed in the bottom of the inner portion of the lower die cavity, the second material pushing plate is movably mounted in the sliding groove, and the driving portion is arranged between the bottom of the lower die and the seat plate.

The further improvement lies in that: the driving part comprises a sliding rod and a pushing block, the pushing block is movably mounted on the sliding rod, a connecting rod is arranged above the pushing block, and the upper end of the connecting rod penetrates through the bottom of the lower die and is connected with the second material pushing plate.

The further improvement lies in that: the rear of the top of the seat plate is provided with a driving motor, an output end of the driving motor is provided with an eccentric wheel, the push block is provided with a fit groove, and an eccentric shaft of the eccentric wheel is matched with the fit groove.

The further improvement lies in that: the rubber ring comprises a first rubber sheet and a second rubber sheet, the first rubber sheet is sleeved on the outer side of the second rubber sheet, a thermal expansion rubber strip is filled between the first rubber sheet and the second rubber sheet, and the thermal expansion rubber strip is wavy.

The further improvement lies in that: the both sides at bedplate top all are equipped with the articulated shaft, and rotate on the articulated shaft and install the second pneumatic cylinder, the both sides of going up the die cover all are equipped with the gangbar, and movable mounting has the sliding sleeve on the gangbar, and is two sets of the output of second pneumatic cylinder is respectively with two sets of the sliding sleeve is connected.

The further improvement lies in that: the two sides of the top of the supporting plate are both provided with electromagnetic guide rails, and the motors on the two sides are movably arranged on the electromagnetic guide rails on the two sides through electromagnetic sliding blocks respectively.

The further improvement lies in that: the front end of bed die is equipped with the breather pipe, and the breather pipe communicates the bed die chamber, the inside activity of breather pipe is equipped with the pull rod, and the rear end of pull rod is equipped with the sealing plug, the outside of breather pipe is equipped with the external screw thread, the front end of pull rod is equipped with the nut lid with external screw thread looks adaptation.

The invention has the beneficial effects that:

1. according to the invention, the foaming raw material is accommodated through the lower die cavity and the upper die cavity, the metal plate and the semiconductor plate are electrified to form a Schottky junction, the metal plate is heated according to the electronic motion principle, the semiconductor plate is refrigerated to form the Peltier effect, the foaming raw material can be assisted to be heated by attaching the metal plate to the outer wall of the lower die cavity, after foaming, the semiconductor plate can be attached to the outer wall of the lower die cavity by moving a certain distance through the motor, then rotating and resetting are carried out, the seat plate is conveniently cooled and shaped, the heating and cooling are integrally arranged, no additional equipment is required to be prepared, and the convenience is further improved.

2. In the foaming process, the upper die cover is closed, the rubber ring is inserted into the sealing groove, and the gap is blocked by thermal expansion under the action of the thermal expansion rubber strip, so that the foaming raw material is prevented from leaking.

3. According to the invention, the first pneumatic cylinder is used for jacking the first material pushing plate, the formed seat plate can be pushed out from the upper die cavity, the seat plate is prevented from being adsorbed in the upper die cavity, the eccentric wheel rotates, the pushing block is driven to move up and down along the sliding rod by matching with the fit groove, and the connecting rod can be driven to push out the second material pushing plate, so that the seat plate is jacked, the seat plate is prevented from being adsorbed in the lower die cavity, and the stripping is convenient.

4. According to the invention, the pull rod is pulled out by rotating the nut cover, so that the sealing of the vent pipe by the sealing plug can be relieved, the ventilation in the die is facilitated, the influence of vacuum adsorption on opening the cover is avoided, the linkage rod is jacked up by the second pneumatic cylinder, the upper die cover can be jacked open, and the cover opening is more convenient.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the lower mold and the upper mold cover of the present invention;

FIG. 3 is a schematic view of a metal plate and a semiconductor plate according to the present invention;

FIG. 4 is a schematic view of a rubber ring of the present invention;

fig. 5 is a schematic view of a snorkel in accordance with the present invention.

Wherein: 1. a seat plate; 2. a lower die; 3. putting a mold cover; 4. an upper mold cavity; 5. a lower die cavity; 6. a rubber ring; 7. a sealing groove; 8. a mounting cavity; 9. a support plate; 10. a motor; 11. a chute; 12. a conductive slip ring; 13. a metal plate; 14. a semiconductor board; 15. a first pusher plate; 16. a first pneumatic cylinder; 17. a support plate; 18. a second pusher plate; 19. a slide rod; 20. a push block; 21. a connecting rod; 22. an eccentric wheel; 23. a fitting groove; 24. a first film; 25. a second film; 26. a thermal expansion adhesive tape; 27. hinging a shaft; 28. a second pneumatic cylinder; 29. a linkage rod; 30. a sliding sleeve; 31. an electromagnetic guide rail; 32. a breather pipe; 33. a pull rod; 34. a sealing plug; 35. an external thread; 36. and a nut cover.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Example one

According to the drawings of fig. 1, 2, 3 and 4, the embodiment provides an automatic rapid forming die for preventing liquid leakage for a seat plate, which comprises a seat plate 1, a lower die 2 and an upper die cover 3, wherein the lower die 2 is arranged above the seat plate 1, the upper die cover 3 is hinged on the lower die 2, an upper die cavity 4 is arranged on the inner side of the upper die cover 3, a lower die cavity 5 is arranged on the inner side of the lower die 2, a rubber ring 6 is arranged at the edge below the upper die cover 3, a sealing groove 7 matched with the rubber ring 6 is arranged at the edge of the top of the lower die 2, an upper ejection assembly is arranged on the upper die cover 3, and a lower ejection assembly is arranged on the lower die 2;

the two sides of the lower die 2 are respectively provided with a mounting cavity 8, the mounting cavities 8 are communicated to the outer wall of the lower die cavity 5, the front end of the lower die 2 is provided with a supporting plate 9, the two sides of the supporting plate 9 are respectively and movably provided with a motor 10, the two sides of the front end of the lower die 2 are respectively provided with a sliding groove 11, the sliding grooves 11 are communicated with the mounting cavities 8, the output end of the motor 10 penetrates through the sliding grooves 11 to the inside of the mounting cavities 8, the output end of the motor 10 is provided with a conductive sliding ring 12, the front end of the conductive sliding ring 12 is provided with a metal plate 13 and a semiconductor plate 14, and the metal plate 13 and the semiconductor plate 14 are mutually attached and electrified. When the device is used, a foaming raw material is contained through the lower die cavity 5 and the upper die cavity 4, the metal plate 13 and the semiconductor plate 14 are electrified to form a Schottky junction, the metal plate 13 is heated according to the electronic motion principle, the semiconductor plate 14 is refrigerated to form the Peltier effect, the foaming raw material can be heated in an auxiliary mode by enabling the metal plate 13 to be attached to the outer wall of the lower die cavity 5, the foaming raw material can be moved for a certain distance through the motor 10 after foaming, then the semiconductor plate 14 is rotated and reset, the semiconductor plate 14 can be attached to the outer wall of the lower die cavity 5, the seat plate can be cooled and shaped conveniently, and heating and cooling are integrally arranged. Wherein, the Schottky junction principle is as follows: the work function of semiconductors is generally smaller than that of metals, so that when a metal comes into contact with a semiconductor, electrons flow from the semiconductor into the metal, forming a space charge region consisting of positively charged immobile impurity ions in the surface layer of the semiconductor; the principle of the peltier effect is: when current passes through a loop composed of different conductors (metal and semiconductor), in addition to irreversible joule heat, heat absorption and heat release phenomena occur at the joints of different conductors respectively along with the difference of current directions.

The upper ejection assembly comprises a first material pushing plate 15 and a first pneumatic cylinder 16, a movable groove is formed in the top of the inner portion of the upper die cavity 4, the first material pushing plate 15 is movably arranged in the movable groove, the first pneumatic cylinder 16 is arranged at the upper end of the upper die cover 3, and the output end of the first pneumatic cylinder 16 extends to the inner portion of the movable groove and is connected with the first material pushing plate 15. The first material pushing plate 15 is pushed up by the first pneumatic cylinder 16, so that the formed seat plate can be pushed out from the upper die cavity 4, and the seat plate is prevented from being adsorbed in the upper die cavity 4.

A supporting plate 17 is supported between two sides of the bottom of the lower die 2 and the seat plate 1, the lower ejection assembly comprises a second material pushing plate 18 and a driving portion, a sliding groove is formed in the bottom of the inner portion of the lower die cavity 5, the second material pushing plate 18 is movably installed in the sliding groove, and the driving portion is arranged between the bottom of the lower die 2 and the seat plate 1.

The driving part comprises a slide rod 19 and a push block 20, the push block 20 is movably mounted on the slide rod 19, a connecting rod 21 is arranged above the push block 20, and the upper end of the connecting rod 21 penetrates through the bottom of the lower die 2 and is connected with the second material pushing plate 18.

A driving motor is arranged behind the top of the seat plate 1, an eccentric wheel 22 is arranged at the output end of the driving motor, a fit groove 23 is formed in the push block 20, and an eccentric shaft of the eccentric wheel 22 is matched with the fit groove 23. The eccentric wheel 22 rotates, the matching fit groove 23 drives the push block 20 to move up and down along the slide rod 19, and the connecting rod 21 can be driven to eject the second material pushing plate 18, so that the seat plate is jacked up, and the seat plate is prevented from being adsorbed in the lower die cavity 5.

The rubber ring 6 comprises a first rubber sheet 24 and a second rubber sheet 25, the first rubber sheet 24 is sleeved on the outer side of the second rubber sheet 25, a thermal expansion rubber strip 26 is filled between the first rubber sheet 24 and the second rubber sheet 25, and the thermal expansion rubber strip 26 is wavy. Mould lid 3 on the closure of foaming's in-process, insert rubber ring 6 in seal groove 7, through the effect of thermal expansion adhesive tape 26, the gap is plugged up to the thermal expansion, avoids the foaming raw materials seepage.

The both sides at bedplate 1 top all are equipped with articulated shaft 27, and rotate on the articulated shaft 27 and install second pneumatic cylinder 28, the both sides of going up the mould lid 3 all are equipped with gangbar 29, and movable mounting has sliding sleeve 30 on the gangbar 29, and is two sets of the output of second pneumatic cylinder 28 is respectively with two sets of sliding sleeve 30 is connected. The upper mold cover 3 can be pushed open by pushing up the linkage rod 29 by the second pneumatic cylinder 28.

The two sides of the top of the supporting plate 9 are both provided with electromagnetic guide rails 31, and the motors 10 on the two sides are movably arranged on the electromagnetic guide rails 31 on the two sides through electromagnetic sliders respectively. The driving motor 10 moves a distance and then resets.

Example two

According to fig. 1, 2, 3, and 5, the embodiment provides an automatic rapid prototyping die for a seat plate to prevent liquid leakage, which includes a seat plate 1, a lower die 2 and an upper die cover 3, wherein the lower die 2 is arranged above the seat plate 1, the upper die cover 3 is hinged on the lower die 2, an upper die cavity 4 is arranged on the inner side of the upper die cover 3, a lower die cavity 5 is arranged on the inner side of the lower die 2, a rubber ring 6 is arranged at the edge below the upper die cover 3, a sealing groove 7 adapted to the rubber ring 6 is arranged at the edge of the top of the lower die 2, an upper ejection assembly is arranged on the upper die cover 3, and a lower ejection assembly is arranged on the lower die 2;

the two sides of the lower die 2 are respectively provided with a mounting cavity 8, the mounting cavities 8 are communicated to the outer wall of the lower die cavity 5, the front end of the lower die 2 is provided with a supporting plate 9, the two sides of the supporting plate 9 are respectively and movably provided with a motor 10, the two sides of the front end of the lower die 2 are respectively provided with a sliding groove 11, the sliding grooves 11 are communicated with the mounting cavities 8, the output end of the motor 10 penetrates through the sliding grooves 11 to the inside of the mounting cavities 8, the output end of the motor 10 is provided with a conductive sliding ring 12, the front end of the conductive sliding ring 12 is provided with a metal plate 13 and a semiconductor plate 14, and the metal plate 13 and the semiconductor plate 14 are mutually attached and electrified. When the device is used, a foaming raw material is contained through the lower die cavity 5 and the upper die cavity 4, the metal plate 13 and the semiconductor plate 14 are electrified to form a Schottky junction, the metal plate 13 is heated according to the electronic motion principle, the semiconductor plate 14 is refrigerated to form the Peltier effect, the foaming raw material can be heated in an auxiliary mode by enabling the metal plate 13 to be attached to the outer wall of the lower die cavity 5, the foaming raw material can be moved for a certain distance through the motor 10 after foaming, then the semiconductor plate 14 is rotated and reset, the semiconductor plate 14 can be attached to the outer wall of the lower die cavity 5, the seat plate can be cooled and shaped conveniently, and heating and cooling are integrally arranged. Wherein, the Schottky junction principle is as follows: the work function of semiconductors is generally smaller than that of metals, so that when a metal comes into contact with a semiconductor, electrons flow from the semiconductor into the metal, forming a space charge region consisting of positively charged immobile impurity ions in the surface layer of the semiconductor; the principle of the peltier effect is: when current passes through a loop composed of different conductors (metal and semiconductor), in addition to irreversible joule heat, heat absorption and heat release phenomena occur at the joints of different conductors respectively along with the difference of current directions.

The front end of lower mould 2 is equipped with breather pipe 32, and breather pipe 32 intercommunication lower mould cavity 5, the inside activity of breather pipe 32 is equipped with pull rod 33, and the rear end of pull rod 33 is equipped with sealing plug 34, the outside of breather pipe 32 is equipped with external screw thread 35, the front end of pull rod 33 is equipped with nut lid 36 with external screw thread 35 looks adaptation. By rotating the nut cover 36 and pulling out the pull rod 33, the sealing of the vent pipe 32 by the sealing plug 34 can be released, so that ventilation in the mold is facilitated, and the cover opening is prevented from being influenced by vacuum adsorption.

The seat plate can contain foaming raw materials through a lower die cavity 5 and an upper die cavity 4, the foaming raw materials are contained by electrifying a metal plate 13 and a semiconductor plate 14 to form a Schottky junction, the surface of the metal plate 13 is heated according to the electronic motion principle, the surface of the semiconductor plate 14 is refrigerated to form the Peltier effect, the heating of the foaming raw materials can be assisted by attaching the surface of the metal plate 13 to the outer wall of the lower die cavity 5, after foaming, the semiconductor plate 14 is moved for a certain distance through a motor 10, then rotated and reset, the surface of the semiconductor plate 14 can be attached to the outer wall of the lower die cavity 5, the seat plate is conveniently cooled and shaped, the heating and cooling are integrally arranged, no additional equipment is required to be prepared, the seat plate is more convenient, the upper die cover 3 is closed in the foaming process, a rubber ring 6 is inserted into a sealing groove 7, gaps are blocked by thermal expansion under the action of a thermal expansion adhesive tape 26, and the leakage of the foaming raw materials is avoided, meanwhile, the first material pushing plate 15 is jacked up through the first pneumatic cylinder 16, the formed seat plate can be ejected out of the upper die cavity 4, the seat plate is prevented from being adsorbed in the upper die cavity 4, the eccentric wheel 22 rotates, the pushing block 20 is driven to move up and down along the sliding rod 19 through the matching conjunction groove 23, the connecting rod 21 can be driven to eject the second material pushing plate 18, the seat plate is jacked up, the seat plate is prevented from being adsorbed in the lower die cavity 5, stripping is convenient, in addition, the pull rod 33 is pulled out through rotating the nut cover 36, sealing of the sealing plug 34 on the vent pipe 32 can be relieved, ventilation in the die is convenient, the cover opening is prevented from being influenced by vacuum adsorption, the linkage rod 29 is jacked up through the second pneumatic cylinder 28, the upper die cover 3 can be jacked out, and the cover opening is more.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.