CN111098479A - Steam forming device for polyurethane foam board - Google Patents
Steam forming device for polyurethane foam board Download PDFInfo
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- CN111098479A CN111098479A CN201911317693.6A CN201911317693A CN111098479A CN 111098479 A CN111098479 A CN 111098479A CN 201911317693 A CN201911317693 A CN 201911317693A CN 111098479 A CN111098479 A CN 111098479A
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- steam
- die holder
- template
- lower die
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/44—Removing or ejecting moulded articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/18—Thermoforming apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the field of foam board processing, and discloses a steam forming device for a polyurethane foam board, which comprises a base and a support frame, wherein the upper end of the support frame is vertically and slidably connected with an upper die holder, and the lower end of the support frame is vertically and slidably connected with a lower die holder; an upper template is arranged in the upper die holder, a lower template is arranged in the lower die holder, and a die cavity is formed between the upper template and the lower template; a plurality of ejector rods are vertically arranged on the base, and sliding holes which are mutually communicated and used for the ejector rods to slide are respectively penetrated through the lower die base and the lower die plate; one side level of support frame is provided with the drive seat, and the opposite side level is provided with the conveyer belt, and drive seat up end horizontal sliding connection has the actuating lever, and the lower terminal surface of actuating lever and the up end of conveyer belt all are parallel and level mutually with the up end of ejector pin. The invention has the following advantages and effects: through the cooperation that sets up ejector pin, actuating lever and conveyer belt, realize the automatic drawing of patterns, the automation of cystosepiment and unload and automatic conveying, saved the manual work, improved the production efficiency of cystosepiment.
Description
Technical Field
The invention relates to the field of foam board processing, in particular to a steam forming device for a polyurethane foam board.
Background
The polyurethane foam board is a novel synthetic material with heat preservation and waterproof functions, and is mainly applied to heat preservation of building outer walls, heat preservation and insulation of cold storages, heat preservation and insulation of pipelines, building boards, refrigerated trucks, heat insulation materials of cold storages and the like due to low heat conductivity coefficient.
Chinese patent CN206170618U discloses a novel foam board extrusion molding machine, which comprises a molding box and a frame, wherein an upper template and a lower template are respectively arranged in the molding box, the inner cavity of the molding box is divided into a feeding cavity, a pressing cavity and a demolding cavity, and the lower template moves up and down between the pressing cavity and the demolding cavity.
When the foam board is produced by using the forming machine, the lower template is controlled to move downwards and is far away from the upper template, and then the formed foam board is taken out manually, so that the demoulding and the taking-out of the foam board are realized. However, the degree of automation of manual removal of the foam boards is low, so that the production efficiency of the foam boards is reduced and needs to be improved.
Disclosure of Invention
The invention aims to provide a steam forming device for a polyurethane foam board, which has the effect of improving the production efficiency.
The technical purpose of the invention is realized by the following technical scheme: a steam forming device for a polyurethane foam plate comprises a base, wherein a support frame is arranged on the base, the upper end of the support frame is vertically and slidably connected with an upper die holder, the lower end of the support frame is vertically and slidably connected with a lower die holder, and cylinders for controlling the upper die holder and the lower die holder to slide are arranged on the base and the support frame; an upper template is arranged in the upper die holder, a lower template is arranged in the lower die holder, a die cavity is formed between the upper template and the lower template, and a spiral feeder communicated with the interior of the die cavity is arranged on the upper die holder; a plurality of ejector rods are vertically arranged on the base, sliding holes which are communicated with each other and used for the ejector rods to slide are formed in the lower die base and the lower die plate in a penetrating mode, and after the upper die plate and the lower die plate are assembled, the upper end faces of the ejector rods are flush with the bottom wall of the die cavity; one side level of support frame is provided with the drive seat, and the opposite side level is provided with the conveyer belt, drive seat up end horizontal smooth connection has the actuating lever, the lower terminal surface of actuating lever and the up end of conveyer belt all with the up end looks parallel and level of ejector pin.
Through adopting above-mentioned technical scheme, when using above-mentioned device production cystosepiment, utilize a pair of cylinder drive upper die base and die holder to be close to each other earlier, when the die holder contradicts the upper die base, the lower bolster contradicts the upper die plate and forms the die cavity, and the up end of ejector pin is leveled mutually with the diapire of die cavity simultaneously. And then, after the raw materials are extruded into the die cavity by using the spiral feeder, the upper template and the lower template are heated, so that the raw materials are molded in the die cavity. Then, the upper die holder and the lower die holder are driven to be away from each other by the pair of cylinders, and the lower die holder and the lower die plate slide downwards along the outer wall of the ejector rod. At the moment, the ejector rod automatically jacks up the formed foam plate to realize automatic demoulding of the foam plate, and finally, the driving rod is controlled to slide towards the direction of the foam plate to push the foam plate to the conveying belt to realize automatic taking, unloading and conveying of the foam plate. Therefore, through the cooperation of the ejector rod, the driving rod and the conveyor belt, the automatic demolding, the automatic unloading and the automatic transmission of the foam board are realized, and the traditional manual unloading is perfectly replaced, so that the labor intensity of workers is reduced, and the production efficiency of the foam board is improved.
The invention is further provided with: the upper end face of the driving seat is provided with a sliding chute for the driving rod to slide, a cavity communicated with the sliding chute is arranged in the driving seat, a rotating shaft is connected in the cavity in a rotating mode, a driven gear is arranged on the rotating shaft, and the lower end face of one end, away from the supporting frame, of the driving rod is provided with a driven rack meshed with the driven gear; the driving gear is arranged at one end, located outside the driving seat, of the rotating shaft, a supporting rod is horizontally arranged on one side, close to the driving seat, of the lower die holder, and a driving rack meshed with the driving gear is vertically arranged at the end of the supporting rod.
Through adopting above-mentioned technical scheme, when die holder downstream and die sinking, the die holder drives branch and the synchronous downstream of initiative rack, and it is rotatory that initiative rack drive driving gear this moment, and the driving gear drives pivot and driven gear rotation, and driven gear drive driven rack synchronous motion afterwards to driven rack drives the actuating lever and is close to the ejector pin gradually, and with foam board propelling movement to the conveyer belt on. When the lower die holder moves upwards and closes the die, the lower die holder drives the supporting rod and the driving rack to move upwards synchronously, the driving rack drives the driving gear to rotate reversely, the driving gear drives the rotating shaft and the driven gear to rotate synchronously, then the driven gear drives the driven rack to move reversely, and the driven rack drives the driving rod to gradually keep away from the ejector rod, so that the automatic reset of the driving rod is realized. Therefore, the driving rod is controlled to be close to or far away from the ejector rod by utilizing the die opening and die closing of the lower die holder, so that the stable pushing of the foam board is realized, and the stable unloading and transmission of the foam board are realized.
The invention is further provided with: an upper steam chamber is formed between the outer wall of the upper template and the inner wall of the upper die holder, a lower steam chamber is formed between the outer wall of the lower template and the inner wall of the lower die holder, and steam exhaust valves are arranged on the outer walls of the upper template and the lower template; the base is provided with a steam engine, the steam engine is provided with steam pipes which are respectively communicated with the upper steam chamber and the lower steam chamber, and the upper template and the lower template are respectively provided with a plurality of steam holes which are communicated with the upper steam chamber and the lower steam chamber.
Through adopting above-mentioned technical scheme, when heating cope match-plate pattern and lower bolster, utilize the steam engine to carry steam to steam intraductal, steam lets in steam chamber and steam chamber down afterwards in, can utilize steam to last heating cope match-plate pattern and lower bolster this moment. And after the foam board is formed, opening the steam exhaust valve, exhausting the steam in the upper steam chamber and the lower steam chamber, and stopping heating the upper template and the lower template. Therefore, the upper template and the lower template are heated by setting efficient steam, and the stable heating and the efficient heating of the upper template and the lower template are realized.
The invention is further provided with: the base is close to one side of conveyer belt is provided with the portal frame, vertical sliding connection has the support bracket on the portal frame, the support bracket is improved level and is provided with the multilayer and be used for the intercommunication the bearing board of conveyer belt up end, and the conveyer belt is close to the one end of portal frame is provided with and is used for the drive the control mechanism that the support bracket intermittent type nature slided.
Through adopting above-mentioned technical scheme, when the conveyer belt transmission cystosepiment, the up end of bearing board intercommunication conveyer belt of the superiors, conveyer belt drive control mechanism work simultaneously. At the moment, the control mechanism is used for controlling the supporting bracket to intermittently move upwards, so that the multiple layers of supporting plates on the supporting bracket are communicated with the upper end surface of the conveying belt one by one. When the foam boards on the conveyor belt are sequentially transmitted to the multilayer bearing plate, the foam boards are automatically stacked and collected.
The invention is further provided with: the control mechanism comprises a pair of control gears arranged on two sides of the conveyor belt, the control gears rotate towards the direction of the support frame and are provided with openings, mounting rods are horizontally arranged on two sides of the support bracket, mounting holes for the mounting rods to slide are vertically formed in the portal frame, and a control rack meshed with the control gears is vertically arranged at one end, located outside the portal frame, of each mounting rod; the equal vertical dead lever that is provided with in both sides of portal frame, the lateral wall interval of dead lever is provided with a plurality of latches, the latch articulate in the lateral wall of dead lever, and be the slope and form the setting upwards, and be provided with on the dead lever and be used for compressing tightly the dog of latch lower extreme outer wall, the control rack deviates from one side of control gear is provided with the fixture block, the fixture block is the slope and sets up downwards, and is used for the hook tight the latch.
By adopting the technical scheme, when the conveyor belt works, the control gear is driven to rotate synchronously, the control gear drives the control rack to move upwards synchronously, and the control rack drives the mounting rod and the support bracket to move upwards synchronously. Meanwhile, the control rack drives the clamping block to move upwards synchronously, the clamping teeth are pressed to overturn upwards, and after the clamping block is higher than the clamping teeth, the notch position of the control gear is aligned with the control rack. At the moment, the clamping teeth are turned outwards, and meanwhile, under the action of the gravity of the bearing bracket, the control rack drives the clamping blocks to move downwards and hook the clamping teeth tightly, so that the control rack is fixed, the bearing bracket is fixed, and the bearing plate is parallel and level to the upper end face of the conveyor belt. The reciprocating motion is carried out in sequence, so that the intermittent motion control of the support bracket, the continuous collection and the automatic stacking of the foam boards are realized.
The invention is further provided with: one end of the bearing plate, which is close to the conveyor belt, is downwards bent to form a pair of arc-shaped guide plates, and the upper end surfaces of the guide plates and the upper end surface of the bearing plate are in arc transition arrangement.
Through adopting above-mentioned technical scheme, play certain guide effect through setting up the deflector for the cystosepiment can be relaxed slide in on the bearing board more, thereby realize the stable transmission of cystosepiment and collect.
The invention is further provided with: the middle position of the bearing plate is provided with a pair of strip-shaped through holes in a penetrating mode, a plurality of rollers are connected in the through holes in a rotating mode at intervals, and the outer wall of the upper end of each roller is higher than the upper end face of the bearing plate.
Through adopting above-mentioned technical scheme, reduce the frictional force between cystosepiment and the bearing board through setting up the gyro wheel for the cystosepiment can be relaxed slide in on the bearing board, thereby realize the stable transmission and the high-efficient collection of cystosepiment.
In conclusion, the invention has the following beneficial effects:
1. the cooperation of the ejector rod, the driving rod and the conveyor belt is arranged, so that automatic demolding, automatic taking and unloading and automatic conveying of the foam plate are realized, and the traditional manual taking and unloading are perfectly replaced, so that the labor intensity of workers is reduced, and the production efficiency of the foam plate is improved;
2. the driving rod is controlled to be close to or far away from the ejector rod by utilizing the die opening and die closing of the lower die base, so that the stable pushing of the foam board is realized, and the stable taking, unloading and transmission of the foam board are realized;
3. the foam boards are continuously and automatically stored by arranging the supporting bracket and the multiple layers of supporting plates, so that the foam boards are automatically stacked and collected;
4. through setting up the succinct structure to the stable control mechanism of working process realizes the stable control of support bracket intermittent type nature motion, realizes the stable collection and the automatic stacking of cystosepiment simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic view showing the internal structure of the upper and lower die holders according to the embodiment;
FIG. 3 is a schematic view showing the connection between the upper die holder and the lower die holder according to the embodiment;
FIG. 4 is a schematic structural diagram of a gantry of an embodiment;
FIG. 5 is a schematic structural view of a support plate of an embodiment;
FIG. 6 is a schematic structural view of a latch of an embodiment;
fig. 7 is a partially enlarged view of a portion a in fig. 6.
Reference numerals: 1. a base; 11. a cylinder; 12. a steam engine; 13. a steam pipe; 14. a top rod; 2. a support frame; 21. an upper die holder; 211. mounting a template; 212. an upper steam chamber; 213. a screw feeder; 22. a lower die holder; 221. a lower template; 222. a lower steam chamber; 223. a slide hole; 224. a strut; 225. a driving rack; 23. a mold cavity; 24. a steam exhaust valve; 25. a steam vent; 3. A driving seat; 31. a drive rod; 32. a chute; 33. a cavity; 34. a rotating shaft; 35. a driven gear; 36. a driven rack; 37. A driving gear; 4. a conveyor belt; 5. a gantry; 51. mounting holes; 52. fixing the rod; 53. clamping teeth; 54. a stopper; 6. a support bracket; 61. mounting a rod; 62. a control rack; 63. a clamping block; 7. a support plate; 71. a guide plate; 72. a through hole; 73. a roller; 8. a control mechanism; 81. a control gear; 82. and (6) opening.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a steam forming apparatus for a polyurethane foam board includes a base 1, and a support frame 2 is provided on the base 1. The upper end of the support frame 2 is vertically and slidably connected with an upper die holder 21 with an opening at the lower end, the lower end of the support frame is vertically and slidably connected with a lower die holder 22 with an opening at the upper end, and the base 1 and the support frame 2 are provided with cylinders 11 for controlling the upper die holder 21 and the lower die holder 22 to slide.
As shown in fig. 1 and 2, an upper die plate 211 is disposed in the upper die holder 21, and an upper steam chamber 212 is formed between an outer wall of the upper die plate 211 and an inner wall of the upper die holder 21. A lower template 221 is arranged in the lower die holder 22, and a lower steam chamber 222 is formed between the outer wall of the lower template 221 and the inner wall of the lower die holder 22.
As shown in fig. 1 and 2, a cavity 23 is formed between the upper die plate 211 and the lower die plate 221, and each of the upper die plate and the lower die plate is provided with a steam exhaust valve 24, and the upper die holder 21 is provided with a screw feeder 213 communicating with the inside of the cavity 23.
As shown in fig. 1 and 2, a steam engine 12 is provided on the base 1, and a steam pipe 13 communicating with the upper steam chamber 212 and the lower steam chamber 222 is provided on the steam engine 12. And the upper and lower mold plates 211 and 221 are respectively provided with a plurality of steam holes 25 communicating the upper and lower steam chambers 212 and 222.
When the above apparatus is used to produce a foam board, the upper die base 21 and the lower die base 22 are driven to approach each other by a pair of air cylinders 11. Until the lower die bed 22 abuts the upper die bed 21, the lower die plate 221 abuts the upper die plate 211 and forms the die cavity 23.
Then, after the raw material is extruded into the mold cavity 23 by the screw feeder 213, steam is conveyed into the steam pipe 13 by the steam engine 12, and then the steam is gradually introduced into the upper steam chamber 212 and the lower steam chamber 222, at this time, the upper mold plate 211 and the lower mold plate 221 are continuously heated by the steam, and then the raw material is gradually molded in the mold cavity 23.
After the foam sheet in the mold cavity 23 is formed, the steam vent valve 24 is opened to vent the steam in the upper steam chamber 212 and the lower steam chamber 222. And when the foam board in the die cavity 23 is cooled and formed, the pair of air cylinders 11 are used for driving the upper die holder 21 and the lower die holder 22 to move away from each other.
And (3) opening the upper template 211 and the lower template 221 until the upper template 211 and the lower template 221 are completely separated, and then taking out the foam board from the lower template 221, so that the production and processing of the foam board can be realized.
As shown in fig. 1 and 2, a plurality of push rods 14 are vertically arranged on the base 1, and sliding holes 223 which are mutually communicated and allow the push rods 14 to slide are respectively penetrated through the lower die base 22 and the lower die plate 221. And when the upper die plate 211 and the lower die plate 221 are closed, the upper end surface of the ejector rod 14 is flush with the bottom wall of the die cavity 23.
As shown in fig. 1 and 2, a driving seat 3 is horizontally disposed on one side of the supporting frame 2, and a conveyor belt 4 is horizontally disposed on the other side. The upper end surface of the driving seat 3 is horizontally and movably connected with a driving rod 31, and the lower end surface of the driving rod 31 and the upper end surface of the conveyor belt 4 are flush with the upper end surface of the mandril 14.
When the die is closed, the lower die base 22 drives the lower die plate 221 to slide upwards along the outer wall of the ejector rod 14, and when the die is closed, the upper end surface of the ejector rod 14 is flush with the bottom wall of the die cavity 23. When the mould is opened, the lower die base 22 and the lower template 221 slide downwards along the outer wall of the ejector rod 14, and then the ejector rod 14 automatically jacks up the formed foam board, so that the automatic demoulding of the foam board is realized.
And finally, the driving rod 31 is controlled to slide towards the direction of the foam board, the foam board is gradually pushed to the conveyor belt 4 by the driving rod 31, and then the foam board is conveyed by the conveyor belt 4, so that the foam board can be automatically taken out and stably conveyed.
As shown in fig. 2 and 3, the upper end surface of the driving seat 3 is provided with a slide groove 32 for sliding the driving rod 31, and a cavity 33 communicating with the slide groove 32 is provided therein. A rotating shaft 34 is rotatably connected in the cavity 33, a driven gear 35 is arranged on the rotating shaft 34, and a driven rack 36 meshed with the driven gear 35 is arranged on the lower end face of one end of the driving rod 31 departing from the support frame 2.
As shown in fig. 2 and 3, a driving gear 37 is disposed at one end of the rotating shaft 34 located outside the driving seat 3, a supporting rod 224 is horizontally disposed at one side of the lower die holder 22 close to the driving seat 3, and a driving rack 225 engaged with the driving gear 37 is vertically disposed at an end of the supporting rod 224.
When the lower die holder 22 moves downwards and opens the die, the lower die holder 22 drives the supporting rod 224 and the driving rack 225 to synchronously move downwards, at this time, the driving rack 225 drives the driving gear 37 to rotate, the driving gear 37 drives the rotating shaft 34 and the driven gear 35 to rotate, then the driven gear 35 drives the driven rack 36 to synchronously move, and the driven rack 36 drives the driving rod 31 to gradually approach the ejector rod 14 and push the foam board onto the conveyor belt 4.
When the lower die holder 22 moves upwards and closes the die, the lower die holder 22 drives the supporting rod 224 and the driving rack 225 to move upwards synchronously, at this time, the driving rack 225 drives the driving gear 37 to rotate reversely, the driving gear 37 drives the rotating shaft 34 and the driven gear 35 to rotate synchronously, then the driven gear 35 drives the driven rack 36 to move reversely, and the driven rack 36 drives the driving rod 31 to gradually get away from the ejector rod 14, so that the automatic resetting of the driving rod 31 is realized.
As shown in fig. 1 and 4, a portal frame 5 is arranged on one side of the base 1 close to the conveyor belt 4, and a support bracket 6 is vertically and slidably connected to the portal frame 5. A plurality of layers of supporting plates 7 used for communicating the upper end surface of the conveyor belt 4 are horizontally arranged on the supporting bracket 6, and a control mechanism 8 used for driving the supporting bracket 6 to intermittently slide is arranged at one end of the conveyor belt 4 close to the portal frame 5.
As shown in fig. 1 and 5, one end of the support plate 7 close to the conveyor belt 4 is provided with a pair of arc-shaped guide plates 71 which are bent downward, and the upper end surfaces of the guide plates 71 and the upper end surface of the support plate 7 are arranged in an arc transition shape. A pair of strip-shaped through holes 72 penetrate through the middle position of the bearing plate 7, a plurality of rollers 73 are rotatably connected in the through holes 72 at intervals, and the outer wall of the upper end of each roller 73 is higher than the upper end face of the bearing plate 7.
When the conveyor belt 4 conveys the foam board, the bearing plate 7 at the uppermost layer is communicated with the upper end surface of the conveyor belt 4, and meanwhile, the conveyor belt 4 drives the control mechanism 8 to work. At this time, the control mechanism 8 controls the support bracket 6 to intermittently move upwards, so that the multiple layers of support plates 7 on the support bracket 6 are communicated with the upper end surface of the conveyor belt 4 one by one. The foam boards on the conveyor belt 4 can be sequentially conveyed to the multi-layer bearing plate 7, and automatic stacking and collection of the foam boards are realized.
When the foam board is collected by the bearing plate 7, the guide plate 71 plays a certain guiding role, and meanwhile, the friction force between the foam board and the bearing plate 7 is reduced by the arrangement of the roller 73, so that the foam board can slide into the bearing plate 7 more easily, and stable transmission and efficient collection of the foam board are realized.
As shown in fig. 4, the control mechanism 8 includes a pair of control gears 81 provided on both sides of the conveyor belt 4, and the control gears 81 rotate toward the support frame 2. The control gear 81 is an incomplete gear, and a notch 82 is provided on the control gear 81.
As shown in fig. 4 and 6, the mounting rods 61 are horizontally arranged on both sides of the support bracket 6, the portal frame 5 is vertically provided with mounting holes 51 for the mounting rods 61 to slide, and one end of the mounting rod 61, which is located outside the portal frame 5, is vertically provided with a control rack 62 engaged with the control gear 81.
As shown in fig. 6 and 7, fixing rods 52 are vertically arranged on both sides of the gantry 5, a plurality of latches 53 are arranged on the side walls of the fixing rods 52 at intervals, the latches 53 are hinged to the side walls of the fixing rods 52 and are arranged in an inclined upward manner, and a stopper 54 for pressing the outer walls of the lower ends of the latches 53 is arranged on the fixing rods 52.
As shown in fig. 6 and 7, a latch 63 is disposed on a side of the control rack 62 away from the control gear 81, and the latch 63 is disposed obliquely downward and used for hooking the latch 53.
When the conveyor belt 4 is in operation, the control gear 81 is driven to rotate synchronously, at this time, the control gear 81 drives the control rack 62 to move synchronously upwards, and the control rack 62 drives the mounting rod 61 and the support bracket 6 to move synchronously upwards. Meanwhile, the control rack 62 drives the latch 63 to move upward synchronously, and presses the latch 53 to turn upward.
And when the latch 63 is higher than the latch 53, the notch 82 of the control gear 81 is aligned with the control rack 62, and the latch 53 is turned outwards and abuts against the stopper 54. Meanwhile, under the action of the gravity of the support bracket 6, the control rack 62 is driven to drive the fixture block 63 to move downwards and hook the fixture teeth 53 tightly, so that the control rack 62 and the support bracket 6 are fixed, and the support plate 7 is flush with the upper end face of the conveyor belt 4 at the moment.
And then the control gear 81 continues to rotate, and when the position of the gap 82 is separated from the control rack 62, the control rack 62 is continuously driven to move upwards and reciprocate sequentially, so that the intermittent movement control of the support bracket 6 and the continuous collection and automatic stacking of the foam boards are realized.
The working principle is as follows: when the forming device works, the lower die holder 22 and the lower die plate 221 are driven by the air cylinder 11 to move upwards until the lower die holder 22 abuts against the upper die holder 21, the lower die plate 221 abuts against the upper die plate 211 and forms the die cavity 23, and the upper end surface of the ejector rod 14 is flush with the bottom wall of the die cavity 23. After the material is subsequently extruded into the mold cavity 23, steam is introduced into the upper steam chamber 212 and the lower steam chamber 222 to heat the upper mold plate 211 and the lower mold plate 221 to shape the material in the mold cavity 23. And then, the lower die holder 22 and the lower die plate 221 are driven by the air cylinder 11 to move downwards, the formed foam board is automatically jacked up by the jacking rod 14, and then the foam board is pushed to the conveyor belt 4 by the driving rod 31, so that the foam board is automatically taken out, unloaded and conveyed.
Claims (7)
1. A steam forming device for a polyurethane foam plate comprises a base (1), wherein a support frame (2) is arranged on the base (1), the upper end of the support frame (2) is vertically and slidably connected with an upper die holder (21), the lower end of the support frame (2) is vertically and slidably connected with a lower die holder (22), and cylinders (11) for controlling the upper die holder (21) and the lower die holder (22) to slide are arranged on the base (1) and the support frame (2); an upper template (211) is arranged in the upper die holder (21), a lower template (221) is arranged in the lower die holder (22), a die cavity (23) is formed between the upper template (211) and the lower template (221), and a spiral feeder (213) communicated with the interior of the die cavity (23) is arranged on the upper die holder (21); the method is characterized in that: a plurality of ejector rods (14) are vertically arranged on the base (1), sliding holes (223) which are communicated with each other and used for the ejector rods (14) to slide are formed in the lower die base (22) and the lower die plate (221) in a penetrating mode, and after the upper die plate (211) and the lower die plate (221) are closed, the upper end faces of the ejector rods (14) are flush with the bottom wall of the die cavity (23); one side level of support frame (2) is provided with drive seat (3), and the opposite side level is provided with conveyer belt (4), drive seat (3) up end horizontal sliding connection has actuating lever (31), the lower terminal surface of actuating lever (31) and the up end of conveyer belt (4) all with the up end looks parallel and level of ejector pin (14).
2. The steam molding apparatus for polyurethane foam boards as claimed in claim 1, wherein: a sliding groove (32) for the driving rod (31) to slide is formed in the upper end face of the driving seat (3), a cavity (33) communicated with the sliding groove (32) is formed in the driving seat, a rotating shaft (34) is connected in the cavity (33) in a rotating mode, a driven gear (35) is arranged on the rotating shaft (34), and a driven rack (36) meshed with the driven gear (35) is arranged on the lower end face of one end, deviating from the supporting frame (2), of the driving rod (31); the utility model discloses a die holder, including drive seat (3), lower die holder (22), pivot (34) are located the outside one end of drive seat (3) is provided with driving gear (37), lower die holder (22) are close to one side level of drive seat (3) is provided with branch (224), the tip of branch (224) vertically be provided with driving rack (225) that driving gear (37) engaged with mutually.
3. The steam molding apparatus for polyurethane foam boards as claimed in claim 1, wherein: an upper steam chamber (212) is formed between the outer wall of the upper template (211) and the inner wall of the upper die holder (21), a lower steam chamber (222) is formed between the outer wall of the lower template (221) and the inner wall of the lower die holder (22), and steam exhaust valves (24) are arranged on the outer walls of the upper template (211) and the lower template (221); be provided with steam engine (12) on base (1), be provided with respectively on steam engine (12) communicate go up steam chamber (212) with steam pipe (13) of lower steam chamber (222), and cope match-plate pattern (211) with be provided with a plurality of intercommunications respectively on lower bolster (221) go up steam chamber (212) with steam hole (25) of lower steam chamber (222).
4. The steam molding apparatus for polyurethane foam boards as claimed in claim 1, wherein: base (1) is close to one side of conveyer belt (4) is provided with portal frame (5), vertical sliding connection has support bracket (6) on portal frame (5), support bracket (6) are improved level and are provided with the multilayer and be used for the intercommunication support plate (7) of conveyer belt (4) up end, and conveyer belt (4) are close to the one end of portal frame (5) is provided with and is used for the drive hold control mechanism (8) that bracket (6) intermittent type nature slided.
5. The steam molding apparatus for polyurethane foam boards as claimed in claim 4, wherein: the control mechanism (8) comprises a pair of control gears (81) arranged on two sides of the conveyor belt (4), the control gears (81) rotate towards the direction of the support frame (2), and gaps (82) are formed in the control gears; mounting rods (61) are horizontally arranged on two sides of the supporting bracket (6), a mounting hole (51) for the mounting rods (61) to slide is vertically formed in the portal frame (5), and a control rack (62) meshed with the control gear (81) is vertically arranged at one end, located outside the portal frame (5), of each mounting rod (61); the equal vertical dead lever (52) that is provided with in both sides of portal frame (5), the lateral wall interval of dead lever (52) is provided with a plurality of latches (53), latch (53) articulate in the lateral wall of dead lever (52), and be the slope and upwards form the setting, and be provided with on dead lever (52) and be used for compressing tightly dog (54) of latch (53) lower extreme outer wall, control rack (62) deviate from one side of control gear (81) is provided with fixture block (63), fixture block (63) are slope and set up downwards, and are used for the hook tight latch (53).
6. The steam molding apparatus for polyurethane foam boards as claimed in claim 4, wherein: one end, close to the conveyor belt (4), of the supporting plate (7) is provided with a pair of arc-shaped guide plates (71) in a downward bending mode, and the upper end faces of the guide plates (71) and the upper end face of the supporting plate (7) are arranged in an arc transition mode.
7. The steam molding apparatus for polyurethane foam boards as claimed in claim 6, wherein: the middle position of the bearing plate (7) is provided with a pair of strip-shaped through holes (72) in a penetrating mode, a plurality of rollers (73) are connected in the through holes (72) in a rotating mode at intervals, and the outer wall of the upper end of each roller (73) is higher than the upper end face of the bearing plate (7).
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113524724A (en) * | 2021-06-16 | 2021-10-22 | 江苏美赫家居有限公司 | Steam device used for SMC (sheet molding compound) die pressing and using method |
CN115179500A (en) * | 2022-07-04 | 2022-10-14 | 北京中关村智连安全科学研究院有限公司 | Production mould for main shell of micro-core pile |
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CN107650340A (en) * | 2017-09-26 | 2018-02-02 | 慈溪市天杨古树工业设计有限公司 | Automatic core-pulling blanking die |
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CN1333714A (en) * | 1998-12-11 | 2002-01-30 | 积水化成品工业株式会社 | Method for producing foamed-mold product of aromatic polyester based resin |
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CN113524724A (en) * | 2021-06-16 | 2021-10-22 | 江苏美赫家居有限公司 | Steam device used for SMC (sheet molding compound) die pressing and using method |
CN113524724B (en) * | 2021-06-16 | 2022-03-11 | 江苏美赫家居有限公司 | Steam device used for SMC (sheet molding compound) die pressing and using method |
CN115179500A (en) * | 2022-07-04 | 2022-10-14 | 北京中关村智连安全科学研究院有限公司 | Production mould for main shell of micro-core pile |
CN115179500B (en) * | 2022-07-04 | 2023-10-17 | 北京中关村智连安全科学研究院有限公司 | Production mould for main shell of micro-core pile |
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Denomination of invention: A steam forming device for polyurethane foam board Effective date of registration: 20230824 Granted publication date: 20200825 Pledgee: Jingzhou Financing Guarantee Group Co.,Ltd. Pledgor: Jingzhou Junda Technology Co.,Ltd. Registration number: Y2023980053462 |