CN114960301A - Paper plastic product forming equipment - Google Patents
Paper plastic product forming equipment Download PDFInfo
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- CN114960301A CN114960301A CN202210756121.3A CN202210756121A CN114960301A CN 114960301 A CN114960301 A CN 114960301A CN 202210756121 A CN202210756121 A CN 202210756121A CN 114960301 A CN114960301 A CN 114960301A
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to the technical field of paper-plastic product production and processing, in particular to paper-plastic product forming equipment which comprises a support frame fixedly arranged on a base, a workbench fixedly arranged on the base and positioned between the base and the support frame, a hydraulic machine fixedly arranged in the middle of the support frame, a punch fixedly arranged at the lower end of a telescopic rod at the output end of the hydraulic machine, an upper hot-pressing die fixedly arranged on the left side of the lower end of the punch, an upper blanking die fixedly arranged on the right side of the lower end of the punch, a lower hot-pressing die matched with the upper hot-pressing die and fixedly arranged on the workbench, wherein the upper surface of the workbench is level with the upper surface of the lower hot-pressing die, a blanking groove is formed in the workbench, and a blanking cutter matched with the upper blanking die is fixedly arranged on the bottom wall of the blanking groove. The transmission device drives the chain wheel to rotate so as to drive the conveying belt to move, and the paper moving distance is set to be the paper from the hot pressing position to the blanking position, so that the paper moving distance is stable.
Description
Technical Field
The invention relates to the technical field of paper-plastic product production and processing, in particular to a paper-plastic product forming device.
Background
With the factors of environmental pollution, drastic change of climate and energy shortage, most modern people select commodities with the advantages of environmental protection, no pollution, reutilization and the like for purchase, and plastic products have great influence on environmental pollution. Paper-plastic is generally applied to lunch boxes, and in the production process of the paper-plastic lunch boxes, thermal forming equipment is an important component in the adopted processing equipment;
the paper plastic product is cut from a paper blank to obtain a finished product; the hot-pressing die and the blanking die are operated independently, the requirement on matching precision is high, and in the prior art, a plurality of complex electronic devices such as a stepping motor and a detection circuit need to be matched to realize the mutual matching operation of the hot-pressing devices; the related equipment in small and medium-sized factories falls behind and is difficult to effectively maintain, the approximate matching precision is poor, the integral precision of paper conveyed by a conveyor belt is possibly poor, the punching deflection or staggered punching phenomenon can be caused, and the attractiveness of finished paper-plastic tableware is greatly influenced; and current hot pressing mold's heater is under long-time work, probably leads to each position temperature uneven, and when the hot pressing mold that the temperature is inhomogeneous carries out the hot pressing to the paper, the position that the temperature is different makes the paper that contacts be heated also different, and the inflation degree is different, and then can arouse paper to mould the fold, influences fashioned paper and mould the article aesthetic property, improves the rejection rate even, raises the cost.
Therefore, a paper-plastic product forming device is provided.
Disclosure of Invention
The invention aims to provide paper plastic product molding equipment, which limits the moving distance of a conveyor belt each time through a transmission device, stabilizes the moving distance of paper and links a constant-temperature heating mechanism to maintain the temperature of a hot-pressing mold so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a paper-plastic article forming apparatus comprising: a base, a support frame is fixedly installed on the base, a hydraulic machine is fixedly installed in the middle of the support frame, a punch is fixedly installed at the lower end of a telescopic rod at the output end of the hydraulic machine, a hot-pressing upper die is fixedly installed at the left side of the lower end of the punch, a blanking upper die is fixedly installed at the right side of the lower end of the punch, a workbench is fixedly installed on the base and is positioned between the base and the support frame, a hot-pressing lower die matched with the hot-pressing upper die is fixedly installed at the left side of the workbench, the upper surface of the workbench is level with the upper surface of the hot-pressing lower die, a blanking groove is formed in the workbench, a blanking cutter matched with the blanking upper die is fixedly installed at the bottom wall of the blanking groove, a rebounding device is fixedly installed at the inner side of the blanking cutter, an electric telescopic rod is installed in the blanking groove, two conveying wheels are rotatably installed at two sides of the workbench, the two conveying wheels are wound by a conveying belt together, and a plurality of belt slotted holes matched with the hot-pressing upper die and the blanking upper die are fixedly formed in the conveying belt;
further comprising:
one of the chain wheels is driven by the hydraulic machine through the transmission device;
and the constant-temperature heating mechanism is fixedly mounted on the lower side of the hot-pressing lower die.
Preferably, the transmission means comprises:
the rack is fixedly arranged on the right side of the outer side wall of the telescopic rod;
the rack is provided with a rack, a rack is arranged on the rack, a first rotating shaft is rotatably arranged on the rack, a gear is fixedly arranged at one end of the first rotating shaft, which is positioned in the rack, the gear is positioned on the right side of the rack, and the gear and the rack are mutually matched through a gear;
one end of the rotating shaft I, which is positioned outside the support frame, is fixedly provided with a chain wheel I, and a one-way bearing is arranged on the chain wheel I;
and the second rotating shaft is fixedly installed at the input end of the conveying wheel, a second chain wheel is fixedly installed at one end, far away from the conveying wheel, of the second rotating shaft, and the chain is sleeved on the first chain wheel and the second chain wheel together.
Preferably, the distances between the plurality of belt slots are equal, and the size of the belt slots is larger than that of the hot-pressing upper die and the blanking upper die.
Preferably, a plurality of rubber blocks are uniformly arranged on the conveyor belt.
Preferably, the constant temperature heating mechanism includes:
the heating cavity is formed in the workbench and is positioned at the lower side of the hot-pressing lower die, an oil inlet hole and an oil outlet hole are formed in the rear side of the workbench, and the oil inlet hole and the oil outlet hole extend into the heating cavity;
the mounting frame is fixedly mounted on the rear side of the supporting frame, the top end of the mounting frame is connected with a mounting cover through a threaded bolt, a piston pipe is fixedly mounted in the mounting frame, a piston is slidably mounted in the piston pipe, the piston is driven by a driving device to move up and down, and an oil inlet and an oil outlet are formed in the lower end of the piston pipe respectively;
one side of the first oil pipe is connected with the oil outlet, one side of the first oil pipe, which is far away from the piston pipe, is connected with the oil inlet hole, and a first check valve is fixedly mounted on the first oil pipe;
the oil inlet is connected to one side of the oil pipe II, and one side of the oil pipe II far away from the piston tube is connected with the heating box, fixed mounting has check valve II on the oil pipe II, lateral wall top fixed mounting of heating box has oil pipe four, and the one end fixed connection that the heating box was kept away from on oil pipe four is at the oil outlet, the top fixed mounting of heating box has oil pipe three, and fixed mounting has the oil-well pump on oil pipe three, oil pipe three is kept away from the heating box and is inserted the oil source, fixed mounting has the liquid level control assembly of control liquid level in the heating box.
Preferably, the driving means includes:
the upper end of the piston is fixedly provided with a push-pull rod;
the middle of the mounting cover is provided with a sliding hole, and the push-pull rod is connected with the sliding hole in a sliding manner;
the mounting rod is fixedly mounted on the punch head, a notch is fixedly formed in the supporting frame, the mounting rod extends to the outer side of the supporting frame through the notch, and the push-pull rod is fixedly mounted on the mounting rod.
Preferably, the sliding hole is rectangular, and the push-pull rod is a rectangular rod matched with the sliding hole.
Preferably, the liquid level control assembly comprises a support fixedly installed on the inner side wall of the heating box, a sliding groove is formed in the support, a first connector is installed in the sliding groove, the first connector is electrically connected to the oil well pump, a sliding block which is in contact with the first connector is fixedly installed in the sliding groove, and a buoy is fixedly installed on the sliding block.
Preferably, resilient means includes the limiting plate of installing on blanking tank bottom wall through a plurality of spring elasticity, the limiting plate is located the blanking cutter, the downside fixed mounting of limiting plate has the lug, fixed mounting has the pressure switch with lug matched with on the blanking tank diapire, pressure switch electric connection is on electric telescopic handle.
Preferably, limiting plate downside fixed mounting has a plurality of location cores, and is a plurality of the location core all is located the spring, set up the centering hole of mutually supporting with a plurality of location cores on the workstation.
Compared with the prior art, the invention has the beneficial effects that:
1. the lateral wall right side fixed mounting of telescopic link has the rack, install one-way bearing on the sprocket one, when the telescopic link downstream, the rack drives gear revolve, thereby drive axis of rotation one and rotate, one-way bearing is injectd sprocket one this moment and is not following the rotation, when the telescopic link rebound, the rack drives gear revolve, drive axis of rotation one and rotate, sprocket one rotates along with axis of rotation one, drive sprocket two through the chain, axis of rotation two and transfer gear, thereby drive the conveyer belt and remove, set for rack and gear drive paper migration distance and be paper from hot pressing processing position to blanking processing position, paper migration distance is stable, stability is improved, increase the accuracy of blanking cutting.
2. A plurality of rubber blocks are evenly installed to the conveyer belt, and when the rubber block contacted with the paper, frictional force between paper and the conveyer belt had been increased, made the distance that the paper removed more accurate, further increased the degree of accuracy of hot pressing and blanking.
3. Because of the conveyer belt distance that removes at every turn equals, the mutual distance that the event set up between a plurality of belt slotted holes equals, and the size of belt slotted hole is bigger a little than the mould on the hot pressing and the size of blanking, after finishing hot pressing and blanking, prevents that mould and blanking from going up the mould and touch the conveyer belt that moves forward in the rebound in-process on the hot pressing, leads to the wearing and tearing of conveyer belt to damage to increase the life of conveyer belt.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a partial cross-sectional view of the piston of the present invention;
fig. 4 is a partial cross-sectional view of the control assembly of the present invention.
In the figure: 1. a base; 2. a support frame; 3. a hydraulic press; 4. a telescopic rod; 5. a punch; 6. hot-pressing the upper die; 7. blanking an upper die; 8. a work table; 9. hot-pressing the lower die; 10. blanking a groove; 11. blanking a cutter; 12. a transfer wheel; 13. a conveyor belt; 14. a belt slot; 15. a rack; 16. a gear; 17. rotating a first shaft; 18. a chain wheel I; 19. a second rotating shaft; 20. a second chain wheel; 21. a chain; 22. a rubber block; 23. a heating cavity; 24. an oil inlet hole; 25. an oil outlet hole; 26. a mounting frame; 27. an oil pipe I; 28. an oil pipe II; 29. a piston tube; 30. an oil inlet; 31. an oil outlet; 32. a piston; 33. a push-pull rod; 34. mounting a rod; 35. a slide hole; 36. installing a cover; 37. a heating box; 38. a support; 39. a chute; 40. a first connector; 41. a slider; 42. floating; 43. a spring; 44. a limiting plate; 45. a bump; 46. a pressure switch; 47. a positioning core; 48. a centering hole; 49. an oil pipe III; 50. an oil well pump; 51. an electric telescopic rod; 52. a second one-way valve; 53. a one-way valve I; 54. an oil pipe IV; 55. a notch; 56. a slide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a paper-plastic product forming apparatus, which has the following technical scheme:
a paper-plastic article forming apparatus comprising: the installation method comprises the following steps of installing a base 1, fixing a support frame 2 on the base 1, fixedly installing a hydraulic machine 3 in the middle of the support frame 2, fixedly installing a punch 5 at the lower end of a telescopic rod 4 at the output end of the hydraulic machine 3, fixedly installing a hot-pressing upper die 6 on the left side of the lower end of the punch 5, fixedly installing a blanking upper die 7 on the right side of the lower end of the punch 5, fixedly installing a workbench 8 on the base 1, wherein the workbench 8 is positioned between the base 1 and the support frame 2, fixedly installing a hot-pressing lower die 9 matched with the hot-pressing upper die 6 on the workbench 8, leveling the upper surface of the workbench 8 with the upper surface of the hot-pressing lower die 9, arranging a blanking groove 10 on the workbench 8, fixedly installing a blanking cutter 11 matched with the blanking upper die 7 on the bottom wall of the blanking groove 10, fixedly installing a rebound device on the inner side of the blanking cutter 11, installing an electric telescopic rod 51 in the blanking groove 10, and rotatably installing two transmission wheels 12 on the two sides of the workbench 8, the two conveying wheels 12 are wound together by a conveying belt 13, and the conveying belt 13 is fixedly provided with a plurality of equidistant belt slot holes 14 which are matched with the hot-pressing upper die 6 and the blanking upper die 7;
further comprising:
a transmission, through which one of the transfer wheels 12 is driven by the hydraulic machine 3;
and the constant temperature heating mechanism is fixedly arranged on the lower side of the hot-pressing lower die 9.
An operator opens power supply equipment, paper is placed on a conveyor belt 13, oil is heated to a proper temperature through a constant temperature heating mechanism to keep stable and unchanged, a hot-pressing lower die 9 is heated to a constant temperature, the constant temperature of hot pressing is guaranteed to be unchanged, then the power supply of a hydraulic machine 3 is turned on, a telescopic rod 4 at the output end of the hydraulic machine 3 moves downwards to drive a punch 5 to move downwards, so that a hot-pressing upper die 6 at the lower end of the punch 5 is pushed to move towards a hot-pressing lower die 9 matched with the hot-pressing upper die 6 on a workbench 8, the hot-pressing upper die 6 is in contact with the hot-pressing lower die 9 to carry out hot pressing on the paper, a blanking upper die 7 at the lower end of the punch 5 is pushed to move towards a blanking cutter 11 matched with the blanking upper die 7 in a blanking groove 10 on the workbench 8 to blank a paper-plastic lunch box formed by hot pressing, the telescopic rod 4 moves upwards after the hot pressing and the blanking is finished, and the hot pressing upper die 6 and the blanking upper die 7 are driven to move upwards to an initial position, the paper-plastic meal box is rebounded to a position above the peripheral blanking tools 11 by the rebounding device, the side wall of one side of the blanking groove 10 where the electric telescopic rod 51 is located is higher than other parts, the telescopic end part of the electric telescopic rod 51 is higher than the tops of the blanking grooves 10 of other parts, when the rebounding mechanism moves upwards to push the paper-plastic meal box out of the blanking groove 10, the telescopic end part of the electric telescopic rod 51 moves slowly and pushes the paper-plastic meal box out of the blanking groove 10 to the outside of the workbench 8, and the electric telescopic rod 51 stretches out and retracts at a low speed in the process again to avoid damage to the paper-plastic meal box due to overlarge impact; thereby the in-process of the 4 upshifts of telescopic link drives the transfer gear 12 through the transmission and rotates the removal that drives conveyer belt 13, sets for the paper displacement and for the paper from hot briquetting position to blanking processing position, and two processes of hot briquetting and blanking cutting go on simultaneously, and the paper displacement is stable, improves production stability, increases production efficiency, reduces hydraulic press 3 quantity simultaneously, reduces manufacturing cost.
As an embodiment of the present invention, referring to fig. 2, the transmission includes:
the rack 15 is fixedly arranged on the right side of the outer side wall of the telescopic rod 4;
a first rotating shaft 17 is rotatably mounted on the support frame 2, the gear 16 is fixedly mounted at one end of the first rotating shaft 17, which is positioned in the support frame 2, the gear 16 is positioned on the right side of the rack 15, and the gear 16 and the rack 15 are mutually matched in a gear way;
one end of the first rotating shaft 17, which is positioned outside the support frame 2, is fixedly provided with a first chain wheel 18, and a one-way bearing is arranged on the first chain wheel 18;
and a second rotating shaft 19 is fixedly arranged at the input end of the second conveying wheel 12, a second chain wheel 20 is fixedly arranged at one end, far away from the second conveying wheel 12, of the second rotating shaft 19, and the chain 21 is sleeved on the first chain wheel 18 and the second chain wheel 20 together.
A rack 15 is fixedly arranged on the right side of the outer side wall of the telescopic rod 4, a one-way bearing is arranged on the chain wheel 18, when the telescopic rod 4 moves downwards, the rack 15 drives the gear 16 to rotate, so as to drive the rotating shaft 17 to rotate, the one-way bearing limits that the chain wheel 18 does not rotate at the moment, when the telescopic rod 4 moves upwards, the rack 15 drives the gear 16 to rotate, so as to drive the rotating shaft 17 to rotate, the chain wheel 18 rotates along with the rotating shaft 17, the chain wheel 20, the rotating shaft 19 and the transmission wheel 12 are driven by the chain 21, so as to drive the transmission belt 13 to move, the moving distance of the rack 15 and the gear 16 for transmitting paper is set to be the distance from the hot-pressing processing position to the blanking processing position, the corresponding relation exists between the distance from the hot-pressing processing position to the blanking processing position and the length of the rack 15, when the rack 15 moves downwards along with the telescopic rod 4 and the gear 16, the transmission belt 13 starts to move until the tail end of the rack 15 contacts with the gear 16, at the moment, the hot-pressing upper die 6 and the blanking upper die 7 just penetrate through the corresponding equidistant belt slot holes 14 to extend into the inner cavity of the hot-pressing lower die 9 and the blanking slot 10, the telescopic rod 4 continues to move downwards for processing, and the gear 16 is in contact with the upper part of the rack 15 at the moment and is not subjected to the meshing driving action any more, so that the conveyor belt 13 stops moving in the whole process that the hot-pressing upper die 6 and the blanking upper die 7 enter the inner cavity of the hot-pressing lower die 9 and the blanking slot 10, and the clamping is avoided; the paper moving distance is stable, the stability is improved, and the accuracy of blanking and cutting is improved.
Referring to fig. 1 and 2, as one embodiment of the present invention, distances between the plurality of belt slots 14 are equal, and the size of the belt slots 14 is larger than that of the hot-pressing upper die 6 and the blanking upper die 7.
Because the distance that conveyer belt 13 moved each time equals, so set up mutual distance between a plurality of belt slotted holes 14 and equal, the size of belt slotted hole 14 is a little bigger than hot pressing and goes up mould 6 and the size of blanking upper die 7, after finishing hot pressing and blanking, prevent hot pressing and go up mould 6 and the blanking upper die 7 and touch conveyer belt 13 that moves forward in the upward movement process, lead to the wearing and tearing damage of conveyer belt 13 to increase the life of conveyer belt 13.
Referring to fig. 1, a plurality of rubber blocks 22 are uniformly mounted on the conveyor belt 13 as an embodiment of the present invention.
A plurality of rubber blocks 22 are evenly installed on the conveying belt 13, and when the rubber blocks 22 are in contact with paper, the friction force between the paper and the conveying belt 13 is increased, so that the moving distance of the paper is more accurate, and the accuracy of hot pressing and blanking is further improved.
Referring to fig. 3, a constant temperature heating mechanism according to an embodiment of the present invention includes:
the heating cavity 23 is formed in the workbench 8, the heating cavity 23 is positioned at the lower side of the hot pressing lower die 9, an oil inlet hole 24 and an oil outlet hole 25 are formed in the rear side of the workbench 8, and the oil inlet hole 24 and the oil outlet hole 25 extend into the heating cavity 23;
the mounting frame 26 is fixedly installed on the rear side of the support frame 2, the top end of the mounting frame 26 is connected with a mounting cover 36 through a threaded bolt, a piston tube 29 is fixedly installed in the mounting frame 26, a piston 32 is slidably installed in the piston tube 29, the piston 32 is driven by a driving device to move up and down, and an oil inlet 30 and an oil outlet 31 are respectively formed in the lower end of the piston tube 29;
one side of the first oil pipe 27 is connected with the oil outlet 31, one side of the first oil pipe 27, which is far away from the piston pipe 29, is connected with the oil inlet hole 24, and a one-way valve 53 is fixedly mounted on the first oil pipe 27;
oil pipe two 28, the oil inlet 30 is being connected to one side of oil pipe two 28, and one side that piston tube 29 was kept away from to oil pipe two 28 is connected with heating cabinet 37, fixed mounting has two 52 check valves on oil pipe two 28, the lateral wall top fixed mounting of heating cabinet 37 has four 54 oil pipes, and four 54 one end fixed connection of keeping away from heating cabinet 37 of oil pipe are at oil outlet 25, the top fixed mounting of heating cabinet 37 has three 49 oil pipes, and fixed mounting has oil-well pump 50 on three 49 oil pipes, three 49 oil pipes keep away from heating cabinet 37 and insert the oil source, fixed mounting has the liquid level control assembly of control liquid level in the heating cabinet 37.
The oil is heated by the heating box 37 to keep a constant temperature, the piston pipe 29 is fixedly installed in the mounting frame 26, when the piston 32 moves upwards, the second check valve 52 is opened and the first check valve 53 is closed, the second oil pipe 28 is opened and the first oil pipe 27 is closed by the driving device, so that the hot oil in the heating box 37 can be pumped into the piston pipe 29, when the piston 32 moves downwards, the second check valve 52 is closed and the first check valve 53 is opened, when the second oil pipe 28 is closed and the first oil pipe 27 is opened, the hot oil in the piston pipe 29 can be pushed into the heating cavity 23, the oil filled in the heating cavity 23 is pushed into the heating box 37 from the oil outlet 25 and the fourth oil pipe 54, the oil enters the heating box 37 and then is reheated, so that the oil in the heating cavity 23 can keep a relatively stable temperature, and the lower die 9 is ensured to keep a relatively stable temperature in the hot pressing process, prevent that the uneven fold that leads to of paper being heated in the hot pressing in-process from improving the pleasing to the eye degree of cutlery box is moulded to paper.
As an embodiment of the present invention, referring to fig. 1 and 3, a driving apparatus includes:
a push-pull rod 33, the upper end of the piston 32 is fixedly provided with the push-pull rod 33;
a sliding hole 35 is formed in the middle of the mounting cover 36, and the push-pull rod 33 is connected with the sliding hole 35 in a sliding mode;
the mounting rod 34 is fixedly mounted on the punch 5, the supporting frame 2 is fixedly provided with a notch 55, the mounting rod 34 extends to the outer side of the supporting frame 2 through the notch 55, and the push-pull rod 33 is fixedly mounted on the mounting rod 34.
The telescopic rod 4 moves up and down in a reciprocating manner, so that the punch 5, the mounting rod 34 and the push-pull rod 33 are driven to move up and down in a reciprocating manner, the piston 32 is driven to move up and down in a reciprocating manner, the constant-temperature hot water and oil circulation in the heating cavity 23 is realized, a power device is reduced, and the intermittent conveying precision of the conveyor belt 13 is increased through mechanical linkage, so that the manufacturing cost is reduced; under the condition that excessive electronic equipment is not needed, linkage of hot oil in the heating cavity 23 and the paper thermal forming processing process is realized; when the telescopic rod 4 drives the hot-pressing upper die 6 and the blanking upper die 7 to move downwards for hot forming processing, the piston 32 is just driven to move downwards to drive oil which is just heated to flow and replace oil which is subjected to heat loss in the heating cavity in the last processing, so that linkage is further realized, and the oil in the heating cavity 23 is ensured to form and process paper at a proper and stable temperature all the time; and wherein mainly through mechanical structure linkage, the operation is reliable and stable, easy to maintain.
Referring to fig. 3, the sliding hole 35 is rectangular, and the push-pull rod 33 is a rectangular rod engaged with the sliding hole 35.
The sliding hole 35 is rectangular, the push-pull rod 33 is a rectangular rod matched with the sliding hole 35, so that the push-pull rod 33 and the piston 32 cannot rotate, the abrasion of the piston 32 is accelerated by the rotation of the piston 32 in the up-and-down moving process, the non-rotation is limited, the abrasion degree of the piston 32 in the same period can be reduced, and the service life of the piston 32 is prolonged.
Referring to fig. 4, the liquid level control assembly includes a support 38 fixedly installed on an inner side wall of the heating box 37, a sliding groove 39 is formed on the support 38, a first connector 40 is installed in the sliding groove 39, the first connector 40 is electrically connected to the oil pump 50, a sliding block 41 contacting with the first connector 40 is fixedly installed in the sliding groove 39, and a float 42 is fixedly installed on the sliding block 41.
Referring to fig. 2, as an embodiment of the present invention, the rebounding device includes a limit plate 44 elastically mounted on the bottom wall of the blanking groove 10 through a plurality of springs 43, the limit plate 44 is located inside the blanking tool 11, a protrusion 45 is fixedly mounted on the lower side of the limit plate 44, a pressure switch 46 matched with the protrusion 45 is fixedly mounted on the bottom wall of the blanking groove 10, and the pressure switch 46 is electrically connected to an electric telescopic rod 51.
When 7 downshifts in the blanking, spring 43 receives the extrusion, 7 pushes down limiting plate 44 in the blanking, limiting plate 44's lug 45 applys pressure for pressure switch 46, there is the delay device on the pressure switch 46, after the lunch-box is moulded to paper was blanked by blanking cutter 11, the lunch-box is moulded to paper was cut and is placed in 11 inboards of blanking cutter all around, 7 rebound in the blanking, a plurality of springs 43 resume elasticity, when limiting plate 44 rebound to the upside of blanking cutter 11, pressure switch 46 control electric telescopic handle 51 circular telegram is outwards flexible, push out blanking groove 10 to the lunch-box is moulded to paper, reduce the manual work, improve degree of automation.
Referring to fig. 4, a plurality of positioning cores 47 are fixedly mounted on the lower side of the stopper plate 44, the positioning cores 47 are all positioned in the springs 43, and the table 8 is provided with a centering hole 48 which is matched with the positioning cores 47.
The working principle is as follows: an operator opens power supply equipment, paper is placed on a conveyor belt 13, oil is heated to a proper temperature through a constant temperature heating mechanism to keep stable and unchanged, a hot-pressing lower die 9 is heated to a constant temperature, the constant temperature of hot pressing is guaranteed to be unchanged, then the power supply of a hydraulic machine 3 is turned on, a telescopic rod 4 at the output end of the hydraulic machine 3 moves downwards to drive a punch 5 to move downwards, so that a hot-pressing upper die 6 at the lower end of the punch 5 is pushed to move towards a hot-pressing lower die 9 matched with the hot-pressing upper die 6 on a workbench 8, the hot-pressing upper die 6 is in contact with the hot-pressing lower die 9 to carry out hot pressing on the paper, a blanking upper die 7 at the lower end of the punch 5 is pushed to move towards a blanking cutter 11 matched with the blanking upper die 7 in a blanking groove 10 on the workbench 8 to blank a paper-plastic lunch box formed by hot pressing, the telescopic rod 4 moves upwards after the hot pressing and the blanking is finished, and the hot pressing upper die 6 and the blanking upper die 7 are driven to move upwards to an initial position, the rebounding device rebounds the paper-plastic meal box to be above a peripheral blanking cutter 11, the paper-plastic meal box is pushed out of the blanking groove 10 through the electric telescopic rod 51, in the process that the telescopic rod 4 moves upwards, the transmission device drives the transmission wheel 12 to rotate so as to drive the transmission belt 13 to move, a rack 15 is fixedly installed on the right side of the outer side wall of the telescopic rod 4, a one-way bearing is installed on the first chain wheel 18, when the telescopic rod 4 moves downwards, the rack 15 drives the gear 16 to rotate so as to drive the first rotating shaft 17 to rotate, the one-way bearing limits the rotation of the first chain wheel 18 at the moment, the first chain wheel 18 does not rotate along with the rotation, when the telescopic rod 4 moves upwards, the rack 15 drives the gear 16 to rotate so as to drive the first rotating shaft 17 to rotate, the first chain wheel 18 rotates along with the first rotating shaft 17, the second chain wheel 20, the second rotating shaft 19 and the transmission wheel 12 are driven by the transmission belt 13 to move, the moving distance of paper is set from a hot-pressing processing position to a blanking processing position, the hot-press forming and the blanking cutting are carried out simultaneously, the moving distance of the paper is stable, the moving distance of the conveyor belt 13 is equal, the mutual distance between a plurality of belt slot holes 14 is set to be equal, the size of each belt slot hole 14 is slightly larger than that of the hot-press upper die 6 and the blanking upper die 7, a plurality of rubber blocks 22 are uniformly arranged on the conveyor belt 13, when the rubber blocks 22 are contacted with the paper, the friction force between the paper and the conveyor belt 13 is increased, the oil is heated by a heating box 37 to keep constant temperature, a piston tube 29 is fixedly arranged in the mounting frame 26, when the piston 32 moves upwards, a check valve II 52 is opened, a check valve I53 is closed, when the oil tube II 28 is opened, an oil tube I27 is closed, hot oil in the heating box 37 can be pumped into the piston tube 29, when the piston 32 moves downwards, the check valve II 52 is closed, and the check valve I53 is opened, at this moment, the oil pipe two 28 is closed and the oil pipe one 27 is opened, the hot oil in the piston pipe 29 can be pushed into the heating chamber 23, the oil filled in the heating chamber 23 is pushed into the heating tank 37 from the oil outlet 25 and the oil pipe four 54 by the newly entered hot oil, the oil enters the heating tank 37 and is reheated, therefore, the relatively stable temperature of the hot oil in the heating chamber 23 can be realized, when the heating tank 37 heats the circulating oil, a certain oil loss exists, when the oil is lost, the float 42 drives the sliding rod 56 and the sliding block 41 to move downwards, when the float 42 descends to the alarm line, the oil in the heating tank 37 needs to be added less oil, the sliding block 41 is in contact with the connector one 40 to be electrified, the oil pumping is started, the hot-pressing lower die is ensured to keep the relatively stable temperature in the hot-pressing process, the phenomenon that the paper is heated unevenly to cause wrinkles is prevented, and the attractiveness of the paper-plastic lunch box is improved, the sliding hole 35 is rectangular, the push-pull rod 33 is a rectangular rod which is matched with the sliding hole 35, so that the push-pull rod 33 and the piston 32 cannot rotate, the piston 32 is accelerated to wear by rotating in the up-and-down process, when the blanking upper die 7 moves downwards, the spring 43 is extruded, the blanking upper die 7 presses the limit plate 44 downwards, the lug 45 of the limit plate 44 applies pressure to the pressure switch 46, the pressure switch 46 is delayed, when the paper-plastic meal box is blanked by the blanking cutter 11, the paper-plastic meal box is cut and placed at the inner side of the blanking cutter 11 on the periphery, the blanking upper die 7 moves upwards, the plurality of springs 43 recover elasticity, when the limit plate 44 moves upwards to the upper side of the blanking cutter 11, the pressure switch 46 controls the electric telescopic rod 51 to be electrified and stretched outwards to push the paper-plastic meal box out of the blanking groove 10, and the limit plate 44 is unstable in the process that the spring 43 is extruded and released, there may be a certain degree to rock, and limiting plate 44 is spacing by location core 47, and location core 47 reciprocates in centering hole 48 to guarantee that limiting plate 44 steadily reciprocates, improve the stability of paper-plastic cutlery box on limiting plate 44.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A paper-plastic article forming apparatus comprising:
the punching machine comprises a base (1), a support frame (2) is fixedly mounted on the base (1), a hydraulic machine (3) is fixedly mounted in the middle of the support frame (2), a punch (5) is fixedly mounted at the lower end of a telescopic rod (4) at the output end of the hydraulic machine (3), a hot-pressing upper die (6) is fixedly mounted on the left side of the lower end of the punch (5), a punching upper die (7) is fixedly mounted on the right side of the lower end of the punch (5), a workbench (8) is fixedly mounted on the base (1) and located between the base (1) and the support frame (2), a hot-pressing lower die (9) matched with the hot-pressing upper die (6) is fixedly mounted on the workbench (8), the upper surface of the workbench (8) is level with the upper surface of the hot-pressing lower die (9), a punching groove (10) is formed in the workbench (8), and a punching cutter (11) matched with the punching upper die (7) is fixedly mounted on the bottom wall of the punching groove (10), a rebounding device is fixedly installed on the inner side of the blanking cutter (11), an electric rod (51) is installed in the blanking groove (10), two conveying wheels (12) are rotatably installed on two sides of the workbench (8), the two conveying wheels (12) jointly wind a conveying belt (13), and a plurality of belt groove holes (14) matched with the hot-pressing upper die (6) and the blanking upper die (7) are fixedly formed in the conveying belt (13);
it is characterized by also comprising:
a transmission, through which one of the transfer wheels (12) is driven by a hydraulic machine (3);
and the constant-temperature heating mechanism is fixedly arranged on the lower side of the hot-pressing lower die (9).
2. The paper-plastic product molding apparatus according to claim 1, characterized in that: the transmission device includes:
the rack (15) is fixedly arranged on the right side of the outer side wall of the telescopic rod (4);
the rack is characterized by comprising a gear (16), a first rotating shaft (17) is rotatably mounted on the support frame (2), the gear (16) is fixedly mounted at one end, located in the support frame (2), of the first rotating shaft (17), the gear (16) is located on the right side of the rack (15), and the gear (16) is in gear fit with the rack (15);
one end of the rotating shaft I (17) positioned outside the support frame (2) is fixedly provided with a chain wheel I (18), and the chain wheel I (18) is provided with a one-way ratchet wheel;
two (19) axes of rotation, the input fixed mounting of transfer gear (12) has two (19) axes of rotation, and two (19) axes of rotation keep away from transfer gear (12) one end fixed mounting have sprocket two (20), chain (21) are established jointly on sprocket one (18) and sprocket two (20).
3. A paper-plastic article molding apparatus as claimed in claim 1, characterized in that: the distances among the belt slots (14) are equal, and the size of the belt slots (14) is larger than that of the hot-pressing upper die (6) and the blanking upper die (7).
4. The paper-plastic product molding apparatus according to claim 1, characterized in that: the conveyor belt (13) is uniformly provided with a plurality of rubber blocks (22).
5. The paper-plastic product molding apparatus according to claim 1, characterized in that: the constant temperature heating mechanism includes:
the heating cavity (23) is formed in the workbench (8), the heating cavity (23) is located on the lower side of the lower hot-pressing die (9), an oil inlet hole (24) and an oil outlet hole (25) are formed in the rear side of the workbench (8), and the oil inlet hole (24) and the oil outlet hole (25) extend into the heating cavity (23);
the oil filter comprises a mounting frame (26), the mounting frame (26) is fixedly mounted on the rear side of the support frame (2), the top end of the mounting frame (26) is connected with a mounting cover (36) through a threaded bolt, a piston pipe (29) is fixedly mounted in the mounting frame (26), a piston (32) is slidably mounted in the piston pipe (29), the piston (32) is driven by a driving device to move up and down, and an oil inlet (30) and an oil outlet (31) are respectively formed in the lower end of the piston pipe (29);
one side of the first oil pipe (27) is connected with the oil outlet (31), one side, far away from the piston pipe (29), of the first oil pipe (27) is connected with the oil inlet hole (24), and a first check valve (53) is fixedly mounted on the first oil pipe (27);
oil pipe two (28), the hydraulic fluid inlet (30) is being connected to one side of oil pipe two (28), and one side that piston tube (29) was kept away from in oil pipe two (28) is connected with heating cabinet (37), fixed mounting has check valve two (52) on oil pipe two (28), the lateral wall top fixed mounting of heating cabinet (37) has oil pipe four (54), and the one end fixed connection that heating cabinet (37) were kept away from in oil pipe four (54) is at oil outlet (25), the top fixed mounting of heating cabinet (37) has oil pipe three (49), and fixed mounting has oil-well pump (50) on oil pipe three (49), oil pipe three (49) are kept away from in heating cabinet (37) insert the oil tank, fixed mounting has the liquid level control assembly of control liquid level in heating cabinet (37).
6. The paper-plastic product molding apparatus according to claim 5, characterized in that: the driving device includes:
the upper end of the piston (32) is fixedly provided with the push-pull rod (33);
the middle of the mounting cover (36) is provided with a sliding hole (35), and the push-pull rod (33) is connected with the sliding hole (35) in a sliding manner;
the punch pin fixing device comprises a mounting rod (34), wherein the mounting rod (34) is fixedly mounted on the punch pin (5), a notch (55) is fixedly formed in the support frame (2), the mounting rod (34) extends to the outer side of the support frame (2) through the notch (55), and the push-pull rod (33) is fixedly mounted on the mounting rod (34).
7. The paper-plastic product molding apparatus of claim 6, characterized in that: the sliding hole (35) is rectangular, and the push-pull rod (33) is a rectangular rod matched with the sliding hole (35).
8. The paper-plastic product molding apparatus according to claim 5, characterized in that: liquid level control assembly includes support (38) of fixed mounting in heating cabinet (37) upper end, spout (39) have been seted up on support (38), and install joint (40) in spout (39), joint (40) electric connection is on oil-well pump (50), fixed mounting has slider (41) that contact with joint (40) in spout (39), and fixedly connected with slide bar (56) on slider (41), the lower extreme of slide bar (56) extends to in heating cabinet (37), and the lower extreme fixed mounting of slide bar (56) has cursory (42).
9. The paper-plastic product molding apparatus according to claim 1, characterized in that: resilient means includes limiting plate (44) of installing on blanking groove (10) diapire through a plurality of springs (43) elasticity, limiting plate (44) are located blanking cutter (11), the downside fixed mounting of limiting plate (44) has lug (45), fixed mounting has pressure switch (46) with lug (45) matched with on blanking groove (10) diapire, pressure switch (46) electric connection is on electronic pole (51).
10. The paper-plastic product molding apparatus of claim 9, characterized in that: limiting plate (44) downside fixed mounting has a plurality of location cores (47), and is a plurality of location core (47) all are located spring (43), set up on workstation (8) with a plurality of location core (47) centering hole (48) of mutually supporting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210756121.3A CN114960301A (en) | 2022-06-29 | 2022-06-29 | Paper plastic product forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210756121.3A CN114960301A (en) | 2022-06-29 | 2022-06-29 | Paper plastic product forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114960301A true CN114960301A (en) | 2022-08-30 |
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ID=82967627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210756121.3A Pending CN114960301A (en) | 2022-06-29 | 2022-06-29 | Paper plastic product forming equipment |
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| Country | Link |
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| CN (1) | CN114960301A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531891A (en) * | 2023-11-15 | 2024-02-09 | 黄山市立科精工工业有限公司 | Forming equipment for instrument board |
-
2022
- 2022-06-29 CN CN202210756121.3A patent/CN114960301A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531891A (en) * | 2023-11-15 | 2024-02-09 | 黄山市立科精工工业有限公司 | Forming equipment for instrument board |
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