CN114481708A - Hot pressing die suitable for automatic paper-plastic product forming machine - Google Patents
Hot pressing die suitable for automatic paper-plastic product forming machine Download PDFInfo
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- CN114481708A CN114481708A CN202210165858.8A CN202210165858A CN114481708A CN 114481708 A CN114481708 A CN 114481708A CN 202210165858 A CN202210165858 A CN 202210165858A CN 114481708 A CN114481708 A CN 114481708A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
Abstract
The invention discloses a hot-pressing die suitable for an automatic paper-plastic product forming machine, which comprises a first hot-pressing upper die, wherein the first hot-pressing upper die comprises an upper heating air chamber plate, a convex die plate is arranged on the downward surface of the heating air chamber plate, the die surface of the convex die plate faces downward, the hot-pressing upper die also comprises a first hot-pressing lower die, the first hot-pressing lower die also comprises a lower heating air chamber plate, a concave die plate is arranged on the upward surface of the lower heating air chamber plate, the die surface of the concave die plate faces upward, the die cavity of the concave die plate is corresponding to and symmetrical to the shape of the convex die plate, when the hot-pressing lower die is used, one set of dies can realize one-out of a plurality of paper-plastic products, the automation degree of processing steps is high, the cost is low, and the yield and the integral processing efficiency of the cup cover are further improved.
Description
Technical Field
The invention relates to the field of paper-plastic product molds, in particular to a hot-pressing mold suitable for an automatic paper-plastic product molding machine.
Background
At present, paper-plastic products such as a paper cup cover serving as a recyclable and degradable environment-friendly product are widely used in combination with a paper cup containing hot drinks or cold drinks. In the prior art, a manufacturing process of a paper cup cover, such as the patent with the application number of 201610848608.9, discloses a paper cup cover and a processing process thereof, wherein the side part of a ring can be formed only by folding the bottom for many times, the production efficiency is not high, and furthermore, the processing process of the paper cup cover can only be used for single production and only can be used for producing one product at a time, and the processing process of the paper cup cover not only has various processing steps, complex process and higher cost, so that the yield and the overall processing efficiency of the cup cover production are not ideal.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a hot-pressing mold suitable for an automatic paper-plastic product forming machine.
The technical scheme of the invention is as follows:
the invention provides a hot-pressing die suitable for an automatic paper-plastic product forming machine, which comprises a first hot-pressing upper die, wherein the first hot-pressing upper die comprises an upper heating air chamber plate, a plurality of convex die plates which are adjacently spliced are arranged on the downward surface of the heating air chamber plate, and the die surfaces of the convex die plates face downward;
the hot pressing die also comprises a first hot pressing lower die, the first hot pressing lower die also comprises a lower heating air chamber plate, a plurality of concave die plates which are adjacently spliced are arranged on the upward side of the lower heating air chamber plate, the die surfaces of the concave die plates face upward, and the die cavities of the concave die plates are corresponding to and symmetrical to the convex die of the convex die plates in shape.
Preferably, the first hot-pressing upper die is formed by sequentially assembling a convex die plate, an upper heating chamber plate, an upper air chamber cover plate, a first heat insulation plate, a heat insulation layer and a second heat insulation plate; the upper heating air chamber plate is opposite to the inner hollow depression of the convex template to form four first air chambers which are communicated with each other, and the number and the positions of the first air chambers correspond to those of the convex template one by one; the first air exhaust hole position and the first air blowing hole position which are communicated with the first air chamber are arranged on the surface of the upper heating air chamber plate at the position corresponding to the die surface of each convex die plate, the first air chamber is communicated with each other through a first upper die air exhaust pipe, the first air blowing hole position is communicated with each other through a first upper die air blowing pipe, the first air exhaust pipe and the first upper die air blowing pipe are respectively and independently communicated with an external pneumatic device, and the action of sucking vacuum or blowing air supply is realized through the connection with the first air exhaust hole position and the first air blowing hole position and the combination of an external pneumatic device, so that the convex die plate convex die can adsorb paper-plastic products or blow off the paper-plastic products.
Preferably, the first hot-pressing lower die is formed by sequentially assembling a concave die plate, a lower heating chamber plate, a lower air chamber cover plate, a third heat insulation plate, a heat insulation layer and a fourth heat insulation plate; the lower heating air chamber plate is hollowed and sunken back to the interior of the concave template to form four second air chambers which are communicated with each other, and the number and the positions of the second air chambers correspond to those of the concave template one by one; a third air exhaust hole site and a fourth air blowing hole site which are communicated with a second air chamber are arranged on the surface of the lower heating air chamber plate at the positions corresponding to the die surfaces of the concave die plates, the second air chambers are communicated with each other through a first lower die air exhaust pipe, the fourth air blowing hole sites are communicated with each other through a first lower die air blowing pipe, the third air exhaust hole site and the fourth air blowing hole site are respectively and independently communicated with an external pneumatic device, and the action of sucking vacuum air or blowing air is realized through the connection with the third air exhaust hole site and the fourth air blowing hole site and the combination of an external pneumatic device, so that the concave die plate concave die can adsorb paper-plastic products or blow off the paper-plastic products.
Preferably, the electric heating rods are inserted in the positions of the upper heating air chamber plate and the lower heating air chamber plate which avoid the first air chamber and the second air chamber.
Preferably, the first upper die blowing pipe is a U-shaped pipeline and sequentially penetrates through the second heat insulation plate, the heat insulation layer, the first heat insulation plate, the upper air chamber cover plate and the upper heating air chamber plate to be abutted against the back face of the convex die plate.
Preferably, the first lower mold blowing pipe is a gooseneck-shaped pipeline and sequentially penetrates through the fourth heat insulation plate, the heat insulation layer, the third heat insulation plate, the lower air chamber cover plate and the lower heating air chamber plate to be abutted against the back face of the concave mold plate.
Preferably, the first upper die exhaust pipe extends outwards, bends downwards and then is communicated to the first upper die exhaust manifold pipe, and the rear end of the first upper die exhaust manifold pipe is communicated with an external pneumatic device; the low point of the first air exhaust pipe is lower than the first air chamber.
Preferably, the lower point of the inner end of the first lower die exhaust pipe of the first hot pressing lower die is flush with the second air chamber.
Preferably, the upper part of the first hot-pressing upper die is connected with an upper moving seat, a connecting seat is fixed on the upper moving seat, a screw rod, a nut seat and a servo motor are sequentially arranged beside the upper moving seat, the nut seat is connected onto the connecting seat, the screw rod penetrates through the connecting seat, the servo motor drives the screw rod to rotate, the upper moving seat is driven to move transversely, linear guide rails are further connected onto the upper moving seat at intervals, and the first hot-pressing upper die is hung on the rack through the linear guide rails to move transversely.
Preferably, a lower supporting seat is connected to the lower portion of the first hot pressing lower die, a supporting flange is arranged below the lower supporting seat, a reciprocating lifting device is arranged below the supporting flange, and four guide posts are arranged around the lower portion of the supporting seat respectively and used for stabilizing the first hot pressing lower die when the reciprocating lifting device lifts the first hot pressing lower die.
The invention achieves the following beneficial effects: one set of mould can realize that a plurality of paper of going out mould the product, and the processing step degree of automation is high, and is with low costs, makes the yields and the whole machining efficiency of this bowl cover production further promote.
Furthermore, the convex template and the concave template are spliced and installed on the heating air chamber plate, and even if a certain template is damaged, the template only needs to be detached, and a plurality of templates do not need to be detached at one time, so that the maintenance is simple and convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a first hot-pressing upper mold structure according to the present invention.
Fig. 3 is a schematic diagram showing a first hot-press upper mold structure according to the present invention.
FIG. 4 is a schematic view of the back side structure of the upper heating plenum plate of the present invention.
Fig. 5 is a schematic view of a first hot-pressing lower die structure of the present invention.
Fig. 6 is a schematic view showing a first hot press lower die structure according to the present invention.
FIG. 7 is a schematic view of the back side of the lower heating plenum plate of the present invention.
Fig. 8 is a schematic structural view of a pushing device of a first hot-pressing upper die of the present invention.
Fig. 9 is a side sectional view schematically showing a first upper hot-pressing die according to the present invention.
Fig. 10 is a schematic front sectional view of a first upper hot-press mold according to the present invention.
Fig. 11 is a schematic front sectional view of a first upper hot-press mold according to the present invention.
Fig. 12 is a schematic front cross-sectional view of a first upper hot-press mold according to the present invention.
In the attached drawings, 1, a first hot-pressing upper die; 2. a convex template;
10. an upper heating chamber plate; 11. an upper gas chamber cover plate; 12. a first heat insulation plate; 13. a thermal insulation layer; 14. a second heat insulation plate;
101. a first air chamber; 102. a first air extraction hole site; 103. a first upper die exhaust tube; 104. a first blowing hole site; 105. a first upper mold blow pipe;
3. a first hot-pressing lower die; 4. a cavity plate;
30. a lower heating plenum plate; 31. a lower air chamber cover plate; 32. a third heat insulation plate; 33. a thermal insulation layer; 34. a fourth heat insulation plate;
301. a second air chamber; 302. a third air extraction hole site; 303. a first lower mold extraction tube; 304. a fourth air blowing hole site; 305. a first lower mold blowing pipe;
5. an upper moving seat; 50. a connecting seat;
6. a screw rod; 60. a nut seat; 61. a servo motor; 62. a linear guide rail;
7. a lower support seat; 8. a support flange; 80. a reciprocating lifting device; 81. and (6) a guide pillar.
Detailed Description
To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.
As shown in fig. 1 to 12, the invention provides a hot-pressing mold suitable for an automatic paper-plastic product forming machine, which comprises a first hot-pressing upper mold 1, wherein the first hot-pressing upper mold 1 is formed by sequentially assembling a convex mold plate 2, an upper heating air chamber plate 10, an upper air chamber cover plate 11, a first heat insulation plate 12, a heat insulation layer 13 and a second heat insulation plate 14, the convex mold plate 2 is formed by installing four convex mold plates 2 which are adjacently spliced with each other on the upper heating air chamber plate 10, and the mold surface of the convex mold plate 2 faces downwards;
the upper heating air chamber plate 10 is hollowed out and recessed opposite to the interior of the convex die plate 2 to form four mutually communicated first air chambers 101, the number and the positions of the first air chambers 101 are in one-to-one correspondence with the convex die plate 2,
a first air exhaust hole position 102 and a first air blowing hole position 104 which are communicated with the first air chamber 101 are arranged on the surface of the upper heating air chamber plate 10 at the position corresponding to the die surface of each convex die plate 2,
the first air chamber 101 is communicated with each other through a first upper die exhaust pipe 103, the first air blowing hole sites 104 are communicated with each other through a first upper die air blowing pipe 105, the first exhaust pipe 103 and the first upper die air blowing pipe 105 are respectively and independently communicated with an external pneumatic device, fine air holes (not shown in the drawing) are uniformly distributed on the die surface of the male die of each male die plate 2, and the male die of each male die plate 2 is connected with the first air exhaust hole sites 102 and the first air blowing hole sites 104 and then combined with the external pneumatic device to realize suction (vacuum suction) or blowing (air supply) action, so that the male die of the male die plate 2 adsorbs paper-plastic products or blows and separates the paper-plastic products;
the edges of the communication part between every two mutually communicated first air chambers 101 are processed by arc chamfering, and because the air flow of the first air exhaust hole position 102 and the first air blowing hole position 104 needs to pass through the first air chambers 101, the problem that the speed of the air flow passing through the first air chambers is too slow due to the fact that the edges of the communication part are right-angled edges is avoided, so that the edge chamfering processing of the communication part of the first air chambers 101 can reduce the air flow resistance to the minimum, the air flow can pass through the communication part more quickly, and the suction force of suction (vacuum suction) or the blowing force of blowing (air supply) is stronger;
on the other hand, the circular arc chamfer of the communication part between every two mutually communicated first air chambers 101 is R50 (in other embodiments, the circular arc chamfer of the communication part between the first air chambers 101 can also be R30-R80, and the larger the diameter R of the chamfer circular arc is, the faster the air flow can pass through);
the first upper die blowing pipe 105 is a U-shaped pipeline, and sequentially penetrates through the second heat insulation plate 14, the heat insulation layer 13, the first heat insulation plate 12, the upper air chamber cover plate 11 and the upper heating air chamber plate 10 to be abutted against the back face of the convex die plate 2;
also comprises a first hot-pressing lower die 3, the first hot-pressing lower die 3 is formed by assembling a concave die plate 4, a lower heating air chamber plate 30, a lower air chamber cover plate 31, a third heat insulation plate 32, a heat insulation layer 33 and a fourth heat insulation plate 34 in sequence,
the lower heating air chamber plate 30 is hollowed out and recessed opposite to the interior of the cavity plate 4 to form four second air chambers 301 which are communicated with each other, the number and the positions of the second air chambers 301 correspond to those of the cavity plate 4 one by one,
a third air extracting hole position 302 and a fourth air blowing hole position 304 which are communicated with the second air chamber 301 are arranged on the surface of the lower heating air chamber plate 30 at the positions corresponding to the die surface of each concave die plate 4,
the second air chamber 301 is communicated with each other through a first lower die exhaust pipe 303, the fourth air blowing hole site 304 is communicated with each other through a first lower die air blowing pipe 305, the third air exhaust hole site 302 and the fourth air blowing hole site 304 are respectively and independently communicated with an external pneumatic device, fine air holes (not shown in the figure) are uniformly distributed on the die surface of each concave die plate 4 concave die, and the suction (vacuum suction) or blowing (air supply) action is realized through the connection with the third air exhaust hole site 302 and the fourth air blowing hole site 304 and the combination of the external pneumatic device, so that the concave die plates 4 concave die adsorb paper-plastic products or blow and separate the paper-plastic products;
the edge of the communication part between every two mutually communicated second air chambers 301 is processed by arc chamfering, and because the air flow of the third air exhaust hole 302 and the fourth air blowing hole 304 needs to pass through the second air chambers 301, the problem that the speed of the air flow passing through the second air chambers is too slow because the edges of the communication part are right-angled edges is avoided, so that the edge chamfering processing of the communication part of the second air chambers 301 can reduce the air flow resistance to the minimum, the air flow can pass through the second air chambers more quickly, and the suction force of suction (vacuum suction) or the blowing force of blowing (air supply) is stronger;
on the other hand, the circular arc chamfer of the edge of the communication part between every two mutually communicated second air chambers 301 is R50 (in other embodiments, the circular arc chamfer of the edge of the communication part between the second air chambers 301 can also be R30-R80, and the larger the diameter R of the chamfer circular arc, the faster the air flow can pass through);
the first lower mold blowing pipe 305 is a gooseneck type pipe, and sequentially passes through the fourth heat insulation plate 34, the heat insulation layer 33, the third heat insulation plate 32, the lower air chamber cover plate 31 and the lower heating air chamber plate 30 to be abutted against the back surface of the cavity plate 4.
Further, electric heating rods are inserted into the upper and lower heating air chamber plates 10 and 30 at positions avoiding the first and second air chambers 101 and 301.
Further, the first upper die exhaust tube 103 extends outwards and bends downwards and then is communicated to a first upper die exhaust manifold, and then the rear end of the first upper die exhaust manifold is communicated with an external pneumatic device; the lower point of the first pumping tube 103 is lower than the first air chamber 101, and the effect is that because the first pumping hole 102 pumps water vapor upwards into the first air chamber 101 when pumping air, and the water vapor is transformed into water liquid to sink in the first air chamber 101 when reaching the first air chamber 101 because of slight temperature reduction, the lower point of the inner end of the first upper mold pumping tube 103 is lower than the first air chamber 101 at this time, so as to ensure that the water liquid in the first air chamber 101 can enter the first upper mold pumping tube 103 to be pumped and discharged completely; meanwhile, the first upper mold pumping tube 103 is bent outward and downward and then is communicated with the first upper mold pumping manifold, so that water can be completely discharged, and backflow to the first air chamber 101 is avoided.
Since the first lower hot pressing mold 3 is turned downward relative to the upper hot pressing mold 1, that is, the third pumping hole 302 is located on the top surface of the mold cavity, when pumping is performed to make the water vapor reach the air chamber and convert into water, the water can easily enter the first lower mold pumping tube 303 due to gravity and be discharged, so the low point position of the inner end of the second pumping tube 303 is flush with the air chamber, and it is not necessary to be lowered intentionally.
Furthermore, a first air blowing hole position 104 is arranged beside a first air exhaust hole position 102 of the first hot-pressing upper die 1, the first air blowing hole position 104 is communicated with an external pneumatic device through an independent first upper die air blowing pipe 105, the first air exhaust pipe 103 and the first upper die air blowing pipe 105 are respectively and independently communicated with the external pneumatic device, the first air exhaust hole position 102 and the first air chamber 101 are not used in a mixing way, and the carbonized fibers precipitated in the first air chamber 101 are blown onto a die surface and a paper-plastic finished product when air is blown in the mixing way to cause pollution, so that the first air blowing hole position 104 and the first upper die air blowing pipe 105 are independently arranged, the worry that the carbonized fibers precipitated in the first air chamber 101 are blown onto the die surface and the paper-plastic finished product can be completely avoided, and the die surface and the paper-plastic product are ensured to be clean;
similarly, a fourth air blowing hole 304 is formed beside the third air pumping hole 302 of the first lower hot press die 3, the fourth air blowing hole 304 is communicated with an external pneumatic device through an independent first lower die air blowing pipe 305, the first air pumping pipe 103 and the first upper die air blowing pipe 105 are respectively and independently communicated with the external pneumatic device without being mixed with the third air pumping hole 302 and the second air chamber 301, and the carbon fiber precipitated in the second air chamber 301 is blown to the die surface and the paper-plastic finished product during air blowing during mixing, so that pollution is caused, the third air pumping hole 304 and the first lower die air blowing pipe 305 are independently arranged, the concern that the carbon fiber precipitated in the second air chamber 301 is blown to the die surface and the paper-plastic finished product can be completely avoided, and the cleanness of the die surface and the paper-plastic product can be ensured.
Further, the upper moving seat 5 is connected above the first hot-pressing upper die 1, a connecting seat 50 is fixed on the upper moving seat 5, a screw rod 6, a nut seat 60 and a servo motor 61 are sequentially arranged beside the upper moving seat 5, a pushing device of the upper moving seat 5 is formed by the above mechanisms, the nut seat 60 is connected on the connecting seat 50, the screw rod 6 penetrates through the connecting seat 50, the servo motor 61 drives the screw rod to rotate, the upper moving seat 5 is driven to move transversely, linear guide rails 62 are further connected on the upper moving seat 5 at intervals, and the first hot-pressing upper die 1 is hung on the rack through the linear guide rails 62 to move transversely.
Further, a lower support base 7 is connected below the first hot pressing lower die 3, a support flange 8 is arranged below the lower support base 7, a reciprocating lifting device 80 is arranged below the support flange 8 (the reciprocating lifting device 80 can be a hydraulic oil cylinder or a pneumatic lifting cylinder), four guide posts 81 are arranged around the lower side of the support base 7 respectively, and the four guide posts below the support base 7 can play a role in stabilizing the first hot pressing lower die 3 when the reciprocating lifting device 80 lifts the first hot pressing lower die 3, so that the first hot pressing lower die 3 is prevented from shaking or being unstable when lifted.
When in use, the hot-pressing mould is arranged on the automatic forming machine, and then the following steps are adopted:
(1) when the slurry suction mold is immersed in the slurry tank at the beginning, a pumping device connected with the slurry suction mold is started to suck slurry immediately so as to form a blank layer on the mold surface of the slurry suction mold;
(2) when the slurry suction time is up, the support member stretches to push the slurry suction mold to suck the blank layer to leave the slurry tank to move upwards, and in the process, the pumping device connected with the slurry suction mold continuously performs pumping action to gradually dewater and dewet the blank layer; and meanwhile, the first upper hot-pressing die 1 is driven by an external power mechanism connected with the first upper hot-pressing die to transversely move along the guide rail to enter the central space, and stops moving at a position corresponding to the slurry suction die, the slurry suction die which moves upwards immediately adsorbs the blank layer, the first upper hot-pressing die 1 is matched with the blank layer to extrude the blank layer to dehydrate, a pumping device connected with the first upper hot-pressing die 1 starts pumping action in the process, the blank layer is dehydrated and dehumidified, when the matching and extruding time is up, the blank layer is dehumidified to form a primary blank, the pumping device connected with the slurry suction die is converted into blowing action immediately, the slurry suction die and the primary blank are separated, and the upper hot-pressing die adsorbs the primary blank.
(3) The first upper hot-pressing die 1 absorbs the primary blank and is driven by the power mechanism outside the connected primary blank to return reversely along the guide rail to enter the first side space, and stops at the position corresponding to the first lower hot-pressing die 3, and then the first lower hot-pressing die 3 is driven by the power mechanism outside the connected primary blank to ascend and close the upper hot-pressing die to jointly perform hot-pressing and shaping operation on the primary blank, so that the primary blank is completely dried to form a paper-plastic product, and in the process, the pumping devices connected with the first upper hot-pressing die 1 and the first lower hot-pressing die 3 both start pumping action, so that the primary blank is dried to form the paper-plastic product.
(4) When the hot-press shaping time is up, the pumping device connected to the first upper hot-press mold 1 stops pumping action, and is converted into blowing action to separate from the paper-plastic product, and the first lower hot-press mold 3 absorbs the paper-plastic product to move downwards and return to wait for collection.
This embodiment is when using, and a set of mould can realize that a plurality of paper of going out mould the product, and the processing step degree of automation is high, and is with low costs, makes the yields and the whole machining efficiency of this bowl cover production further promote.
Further, the convex template 2 and the concave template 4 are spliced and installed on the heating air chamber plate, and even if a certain template is damaged, the template only needs to be detached, and a plurality of templates do not need to be detached at one time, so that the maintenance is simple and convenient.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A hot-pressing mould suitable for an automatic paper-plastic product forming machine is characterized by comprising a first hot-pressing upper mould (1), wherein the first hot-pressing upper mould (1) comprises an upper heating air chamber plate (10), a plurality of convex mould plates (2) which are adjacently spliced are arranged on the downward surface of the heating air chamber plate, and the mould surfaces of the convex mould plates (2) face downward;
still include first hot pressing lower mould (3), this first hot pressing lower mould (3) is including heating air chamber board (30) down equally, and a plurality of die board (4) of adjacent amalgamation each other are installed to the one side up of this heating air chamber board (30) down, and the die face of die board (4) is up, and the die cavity of die board (4) is corresponding and symmetry with the terrace die shape of terrace die board (2).
2. The hot-pressing mold suitable for the automatic paper-plastic product forming machine according to claim 1, characterized in that the first hot-pressing upper mold (1) is formed by assembling a convex mold plate (2), an upper heating air chamber plate (10), an upper air chamber cover plate (11), a first heat insulation plate (12), a heat insulation layer (13) and a second heat insulation plate (14) in sequence; the upper heating air chamber plate (10) is opposite to the inner hollow of the convex template (2), four first air chambers (101) which are communicated with each other are formed in a hollow manner, and the number and the positions of the first air chambers (101) correspond to those of the convex template (2) one by one; a first air exhaust hole site (102) and a first air blowing hole site (104) which are communicated with a first air chamber (101) are arranged on the surface of the upper heating air chamber plate (10) at positions corresponding to the die surface of each convex die plate (2), the first air chamber (101) is communicated with each other through a first upper die air exhaust pipe (103), the first air blowing hole sites (104) are communicated with each other through a first upper die air blowing pipe (105), the first air exhaust pipe and the first upper die air blowing pipe (105) are respectively and independently communicated with an external pneumatic device, and the action of suction (vacuum suction) or blowing (air supply) is realized through the connection with the first air exhaust hole site (102) and the first air blowing hole site (104) and the combination of the external pneumatic device, so that the convex die plate (2) can adsorb paper-plastic products or blow off the paper-plastic products.
3. The hot-pressing mold suitable for the automatic paper-plastic product forming machine according to claim 1, characterized in that the first lower hot-pressing mold (3) is assembled by a cavity plate (4), a lower heating chamber plate (30), a lower air chamber cover plate (31), a third heat insulation plate (32), a heat insulation layer (33) and a fourth heat insulation plate (34) in sequence; the lower heating air chamber plate (30) is opposite to the inner cavity of the concave template (4) and is hollowed to form four second air chambers (301) which are communicated with each other, and the number and the positions of the second air chambers (301) correspond to those of the concave template (4) one by one; a third air suction hole position (302) and a fourth air blowing hole position (304) which are communicated with a second air chamber (301) are arranged on the surface of the lower heating air chamber plate (30) at positions corresponding to the die surface of each concave die plate (4), the second air chambers (301) are communicated with each other through first lower die air suction pipes (303), the fourth air blowing hole positions (304) are communicated with each other through first lower die air blowing pipes (305), the third air suction hole position (302) and the fourth air blowing hole position (304) are respectively and independently communicated with an external pneumatic device, and suction (vacuum suction) or blowing (air blowing) actions are realized through connection with the third air suction hole position (302) and the fourth air blowing hole position (304) and combination of the external pneumatic device, so that the concave die plate (4) can adsorb paper-plastic products or blow and separate the paper-plastic products.
4. The hot-pressing mold suitable for the automatic molding machine of the paper-plastic products as claimed in claim 2 or 3, characterized in that the upper heating air chamber plate (10) and the lower heating air chamber plate (30) are inserted with electric heating rods at positions avoiding the first air chamber (101) and the second air chamber (301).
5. The hot-pressing mold suitable for the automatic paper-plastic product forming machine as claimed in claim 2, wherein the first upper mold blowing pipe (105) is a U-shaped pipe, and passes through the second heat insulation plate (14), the heat insulation layer (13), the first heat insulation plate (12), the upper air chamber cover plate (11) and the upper heating air chamber plate (10) in sequence to abut against the back of the male mold plate (2).
6. The hot pressing mold suitable for the automatic paper-plastic product molding machine as claimed in claim 3, wherein the first lower mold blowing pipe (305) is a gooseneck type pipe, and passes through the fourth heat insulation plate (34), the heat insulation layer (33), the third heat insulation plate (32), the lower air chamber cover plate (31) and the lower heating air chamber plate (30) in sequence to abut against the back of the cavity plate (4).
7. The hot-pressing mold suitable for the automatic paper-plastic product forming machine as claimed in claim 2, characterized in that the first upper mold air exhaust pipe (103) extends outwards and bends downwards and then is communicated to the first upper mold air exhaust manifold, and then the rear end of the first upper mold air exhaust manifold is communicated with an external pneumatic device; the low point of the first air suction pipe is lower than the first air chamber (101).
8. The hot-pressing mold suitable for the automatic molding machine of the paper-plastic products as claimed in claim 3, characterized in that the lower point of the inner end of the first lower mold suction pipe (303) of the first lower hot-pressing mold (3) is flush with the second air chamber (301).
9. The hot-pressing mold suitable for the automatic forming machine of the paper-plastic products as claimed in claim 2, characterized in that an upper moving seat (5) is connected above the first hot-pressing upper mold (1), a connecting seat (50) is fixed on the upper moving seat (5), a screw rod (6), a nut seat (60) and a servo motor (61) are sequentially arranged beside the upper moving seat (5), the nut seat (60) is connected on the connecting seat (50), the screw rod (6) passes through the connecting seat (50), the servo motor (61) drives the screw rod to rotate, thereby driving the upper moving seat (5) to move transversely, linear guide rails (62) are further connected on the upper moving seat (5) at intervals, and the first hot-pressing upper mold (1) is hung on the frame through the linear guide rails (62) to move transversely.
10. The hot-pressing mold suitable for the automatic molding machine of the paper-plastic products as claimed in claim 3, wherein a lower supporting base (7) is connected below the first lower hot-pressing mold (3), a supporting flange (8) is arranged below the lower supporting base (7), a reciprocating lifting device (80) is arranged below the supporting flange (8), and four guide pillars (81) are respectively arranged around the lower side of the supporting base, so that when the reciprocating lifting device (80) lifts the first lower hot-pressing mold (3), the four guide pillars (81) below the supporting base can play a role in stabilizing the first lower hot-pressing mold (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165858.8A CN114481708A (en) | 2022-02-21 | 2022-02-21 | Hot pressing die suitable for automatic paper-plastic product forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165858.8A CN114481708A (en) | 2022-02-21 | 2022-02-21 | Hot pressing die suitable for automatic paper-plastic product forming machine |
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| Publication Number | Publication Date |
|---|---|
| CN114481708A true CN114481708A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210165858.8A Pending CN114481708A (en) | 2022-02-21 | 2022-02-21 | Hot pressing die suitable for automatic paper-plastic product forming machine |
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| Country | Link |
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| CN (1) | CN114481708A (en) |
Cited By (1)
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