CN112721122B

CN112721122B - Polytetrafluoroethylene panel mould convenient to cooling

Info

Publication number: CN112721122B
Application number: CN202011621153.XA
Authority: CN
Inventors: 姚袁生; 仇桂芹
Original assignee: Jiangsu Yihao Plastic Industry Co ltd
Current assignee: Jiangsu Yihao Plastic Industry Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-28
Anticipated expiration: 2040-12-31
Also published as: CN112721122A

Abstract

The invention discloses a polytetrafluoroethylene plate die convenient to cool, which comprises a die body, wherein the die body is provided with a water outlet and a water inlet, the die body comprises an upper die plate, a middle die plate and a lower die plate, the upper die plate, the middle die plate and the lower die plate are designed in a split mode, the upper die plate is hermetically connected with the upper surface of the middle die plate, and the lower die plate is hermetically connected with the lower surface of the middle die plate. According to the invention, the upper template, the middle template and the lower template are tightly attached to form a closed structure, the polytetrafluoroethylene plate is arranged inside the closed structure, water flow enters the template from the water inlet hole but does not contact with the polytetrafluoroethylene plate, and the temperature of the die is reduced. The problem of current polytetrafluoroethylene panel mould only rely on passive cooling because of inside does not have independent initiative cooling structure, lead to the mould to receive the cooling inhomogeneous, influence the quality of polytetrafluoroethylene panel is improved.

Description

Polytetrafluoroethylene panel mould convenient to cooling

Technical Field

The invention relates to the technical field of dies, in particular to a polytetrafluoroethylene plate die convenient to cool.

Background

For polytetrafluoroethylene sheets, a common molding method is a press molding method. After loading and pressurizing a mold, heating and plasticizing the mold and a powder raw material through hot oil, maintaining pressure, cooling by water, and finally taking out a product. In this forming process, it is critical to control the pressure, sintering temperature, time and cooling rate. In the cooling process, after the product is formed in the die cavity, the cooling system cools the die to finally shape and smoothly demould the product, and various cooled process parameters have great influence on the color, the flatness and the like of the high molecular weight polyethylene plate.

Most of polytetrafluoroethylene plate moulds in the market at present are easy to cause that the moulds are cooled unevenly and the quality of the polytetrafluoroethylene plates is influenced only by passive cooling because independent active cooling structures are not arranged in the moulds, so that the polytetrafluoroethylene plate moulds convenient to cool are designed.

Disclosure of Invention

The invention aims to provide a polytetrafluoroethylene plate die convenient to cool so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a polytetrafluoroethylene panel mould convenient to cooling, includes the mould body, its characterized in that: the die body is provided with a water outlet and a water inlet;

the die body comprises an upper die plate, a middle die plate and a lower die plate, the upper die plate, the middle die plate and the lower die plate are designed in a split mode, the upper die plate is connected with the upper surface of the middle die plate in a sealing mode, and the lower die plate is connected with the lower surface of the middle die plate in a sealing mode.

Preferably, the upper surface corners of the middle template and the lower template are provided with guide posts, the lower surface corners of the upper template and the middle template are provided with guide holes, the guide posts are matched with the guide holes, and the middle part of the middle template is provided with a mold cavity.

Preferably, snake-shaped water channels are formed in the upper template and the lower template, and spiral water channels are formed in the outer wall of the middle template.

Preferably, connecting bolts are fixed on two sides of the upper template, the middle template and the lower template.

Preferably, the connecting bolt is fixed with the strap by a quick fixing device, the quick fixing device includes: the device comprises a first hinge shaft, a handle, a fixing bolt, a second connecting rod, a first wedge-shaped block, a connecting block, a second wedge-shaped block, a supporting piece, a second hinge shaft and a communication hole;

connecting bolt passes the connecting hole on the lagging, be fixed with the second wedge on the lagging, there is the intercommunicating pore second wedge central authorities, second wedge one end is fixed with support piece one end through fixing bolt, the support piece other end is through the articulated handle of first articulated axle, the handle end is through the articulated second connecting rod of second articulated axle, the second connecting rod other end articulates in the connecting block, the connecting block is fixed in first wedge, the inclined plane contact of first wedge and second wedge, and connecting bolt passes first wedge, second wedge.

Preferably, a limiting hole is formed in the sleeve plate, the limiting hole is sleeved on a supporting column, the supporting column penetrates through the base and is fixed with the base, a first motor is fixed on the outer side of the base, the output end of the first motor is connected with a driving belt wheel, and the driving belt wheel is connected with a driven belt wheel through a belt;

the driven belt wheel is fixed at one end of a threaded shaft, the threaded shaft is rotatably connected with the base through a fixing piece, and the other end of the threaded shaft penetrates through the base and is in threaded connection with the inside of the transmission piece;

the upper surface of the base is fixed with a hinged support, the transmission part and the hinged support are respectively hinged to one corner of the triangular plate, the other corner of the triangular plate is hinged to one end of a first connecting rod, the other end of the first connecting rod is hinged to a second connecting rod, and the second connecting rod is connected to the lower template.

Preferably, base upper surface edge is fixed with the water tank, the water tank top is fixed with the water pump, the outlet pipe is connected to the water pump, the outlet pipe passes through the inlet opening of hose connection mould water course, water tank downside surface and inlet tube, the inlet tube passes through the apopore of hose connection mould water course.

Preferably, the upper and lower both sides of the fixed lagging of cope match-plate pattern are fixed with the solid fixed ring of third, the solid fixed ring of second respectively, the downside of the fixed lagging of well template is fixed with first solid fixed ring, the solid fixed ring of first solid fixed ring, second, the solid fixed ring of third all cup joint in the support column, and fixed with the support column.

Preferably, the surface cleaning device further comprises a lower template surface cleaning device, and the lower template surface cleaning device comprises: the cleaning device comprises a nut, a telescopic sleeve, a first fixed shaft, a driven gear, a second motor, a driving gear, a second fixed shaft, a chute, a chain, a telescopic piece, a shell, a cleaning head, a first spring, a transmission shaft, a third motor, a cavity, a fastening bolt, a box body, a movable gear, a limiting block, a telescopic rod, a first connecting rod, a second spring, a movable shaft, a fixed block, a hinge bolt and a quick-screwing lantern ring;

the box body is connected to the support column through the quick-screwing lantern ring, a second motor is fixed on the outer surface of the box body, the output end of the second motor is connected with a second fixed shaft, the second fixed shaft is fixed with the driving gear, the first fixed shaft is fixed at the other end of the box body, and the driven gear is connected with the first fixed shaft;

a sliding groove is formed in the middle section of the box body, one end of the moving shaft is located in the sliding groove, a moving gear is connected to the middle of the moving shaft and is connected with a driven gear and a driving gear through a chain, the other end of the moving shaft is fixed to a fixed block, the fixed block is hinged to a telescopic sleeve through a hinge bolt, and a nut is mounted at the lower end of the hinge bolt;

the telescopic sleeve front end periphery is fixed with the stopper, the telescopic sleeve stretches out the end and has cup jointed the second spring, the second spring is restricted by stopper and telescopic sleeve's sleeve pipe, the telescopic sleeve front end is articulated with second fixed axle one end, the second fixed axle other end is articulated with the extensible member, the second fixed axle exists two, about the extensible member symmetry, the telescopic link both ends are fixed with two second fixed axles respectively, it is fixed with the extensible member that the casing passes through fastening bolt, there is the cavity in the casing, the third motor is located the cavity, and fixed with the casing, the transmission shaft is connected to third motor output, the transmission shaft other end is fixed with first spring one end, first spring other end fixed connection cleaning head.

Preferably, the belt state detection device further includes:

the rotating speed sensor is arranged at the output shaft of the first motor and used for detecting the rotating speed of the first motor;

the torque sensor is arranged on the driven belt wheel and used for detecting the output torque of the driven belt wheel;

a timer for recording the total time of the belt;

the alarm is positioned outside the base;

the controller, the controller respectively with speed sensor, torque sensor, time-recorder and alarm electric connection, the controller is based on speed sensor, torque sensor, time-recorder control alarm work includes:

step 1: the controller obtains the tension of the belt based on the rotating speed sensor, the torque sensor and a formula (1):

wherein, F₁For belt tension, K is wrap angle correction systemNumber, B is the number of belts, /)₁Is the diameter of the driving pulley l₂The diameter of the driven belt wheel, n is the rotating speed of the first motor detected by a rotating speed sensor, pi is the circumferential rate, P is the output power of the first motor, and T is the output torque of the driven belt wheel detected by a torque sensor;

step 2: the controller calculates a belt axial compression force based on the timer and formula (2):

wherein, F₂Is the axial compression force of the belt, sin is the cosine function, l₂Is the diameter of the driven pulley, a is the center distance between the driving pulley and the driven pulley, t₁Is a unit time, t₂The total time of belt usage recorded by the timer;

when the shaft pressing force of the belt exceeds a preset reference value range, the controller controls the alarm to give an alarm.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of a middle template according to the present invention;

FIG. 4 is a schematic view of a serpentine waterway configuration of the present invention;

FIG. 5 is a schematic view of a spiral channel configuration of the present invention;

FIG. 6 is a schematic view of the pressure-maintaining water supply structure of the present invention;

FIG. 7 is a schematic structural diagram of a pressure maintaining power plant according to the present invention;

FIG. 8 is an enlarged view of the structure at the point A of the present invention;

FIG. 9 is a schematic view of the deck structure of the present invention;

FIG. 10 is a front view of the quick fastening device of the present invention;

FIG. 11 is a schematic top view of the quick fastening device of the present invention;

FIG. 12 is a schematic view of a first wedge block of the quick fastening device of the present invention;

FIG. 13 is a schematic view of a second wedge block of the quick fastening device of the present invention;

FIG. 14 is a schematic view of the installation position of the lower template surface cleaning device of the present invention;

FIG. 15 is a schematic view of a fastening block connection structure according to the present invention;

FIG. 16 is a schematic view of the structure of the case of the present invention;

FIG. 17 is a schematic view of the cleaning element of the present invention;

FIG. 18 is a schematic view of the cleaning head driving part of the present invention.

In the figure: 1. mounting a template; 2. a middle template; 3. a lower template; 4. a water outlet hole; 5. a water inlet hole; 6. a connecting bolt; 7. sheathing; 701. a limiting hole; 702. connecting holes; 8. a mold cavity; 9. a guide post; 10. A guide hole; 11. a serpentine waterway; 12. a spiral water channel; 13. a support pillar; 14. a base; 15. a first motor; 16. a driving pulley; 17. a belt; 18. a driven pulley; 19. a water tank; 20. a water pump; 21. A water outlet pipe; 22. a water inlet pipe; 23. a hose; 24. a first link; 25. a second link; 26. a set square; 27. a transmission member; 28. hinging and supporting; 29. a threaded shaft; 30. a fixing member; 31. a first retaining ring; 32. A second retaining ring; 33. a third fixing ring; 34. a nut; 35. a telescopic sleeve; 36. a first fixed shaft; 37. a driven gear; 38. a second motor; 39. a driving gear; 40. a second fixed shaft; 41. a chute; 42. a chain; 43. a telescoping member; 44. a housing; 45. a cleaning head; 46. a first spring; 47. a drive shaft; 48. a third motor; 49. a cavity; 50. fastening a bolt; 51. a box body; 52. a moving gear; 53. A limiting block; 54. a telescopic rod; 55. a first connecting rod; 56. a second spring; 57. a movable shaft; 58. a fixed block; 59. a hinge bolt; 60. a first hinge shaft; 61. a handle; 62. fixing the bolt; 63. a second connecting rod; 64. a first wedge block; 65. connecting blocks; 66. a second wedge block; 67. a support member; 68. a second hinge shaft; 69. a communicating hole; 70. quickly screwing the lantern ring; 71. lower bolster surface cleaning device.

Detailed Description

The description of the present invention as to "first", "second", etc. is for descriptive purposes only, and not for purposes of particular ordinal or sequential meaning, nor for limitations, and is intended to identify components or operations described in the same technical language, but is intended to be construed as indicating or implying any relative importance or implicit identification of any number of technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.

Example 1

Referring to fig. 1, an embodiment of the present invention: the mould body is provided with a water outlet hole 4 and a water inlet hole 5;

the die body comprises an upper die plate 1, a middle die plate 2 and a lower die plate 3, the upper die plate 1, the middle die plate 2 and the lower die plate 3 are designed in a split mode, the upper surface of the upper die plate 1 is connected with the upper surface of the middle die plate 2 in a sealing mode, and the lower surface of the lower die plate 3 is connected with the lower surface of the middle die plate 2 in a sealing mode.

The working principle and the beneficial effects of the technical scheme are as follows: in the use, cope match-plate pattern 1, well template 2, lower bolster 3 closely laminate, form an airtight structure, and inside is polytetrafluoroethylene panel, and rivers are followed inlet opening 5 and are got into in the template, but do not contact with polytetrafluoroethylene panel, cool down the mould. The problem of current polytetrafluoroethylene panel mould only rely on passive cooling (like natural cooling or outside setting up cooling structure) because of inside not having independent initiative cooling structure, lead to the mould to receive the cooling inhomogeneous, influence the quality of polytetrafluoroethylene panel is solved.

Example 2

Referring to fig. 2-3, on the basis of the above embodiment 1, guide posts 9 are arranged at the upper surface corners of the middle template 2 and the lower template 3, guide holes 10 are arranged at the lower surface corners of the upper template 1 and the middle template 2, the guide posts 9 and the guide holes 10 are matched with each other, and a mold cavity 8 is arranged in the middle of the middle template 2.

The working principle and the beneficial effects of the technical scheme are as follows: the guide posts 9 and the guide holes 10 are designed in the process that the upper template 1, the middle template 2 and the lower template 3 are tightly attached, the guide posts 9 and the guide holes 10 are matched to guide the upper template 1, the middle template 2 and the lower template 3 to be perfectly matched without deviation, and the practicability of the invention is ensured by the design.

Example 3

Referring to fig. 4-5, on the basis of the above embodiment 1, the upper mold plate 1 and the lower mold plate 3 both have a serpentine water channel 11 therein, and the outer wall of the middle mold plate 2 has a spiral water channel 12 therein.

The working principle and the beneficial effects of the technical scheme are as follows: the upper template 1, the middle template 2 and the lower template 3 are all provided with water channels, so that the cooling effect of the mold is ensured, the upper template 1, the lower template 3 and the middle template 2 are distributed and designed into different water channels, the shapes and functions of different parts of the mold are considered, and the practicability of the mold is ensured.

Example 4

Referring to fig. 1-2, on the basis of the above embodiment 1, the connecting bolts 6 are fixed on both sides of the upper template 1, the middle template 2 and the lower template 3.

The working principle and the beneficial effects of the technical scheme are as follows: connecting bolts 6 are arranged on two sides of the template, so that the template can be conveniently connected with other parts, and convenience is increased for the invention.

Example 5

Referring to fig. 9-13, on the basis of the above embodiment 4, the connecting bolt 6 is fixed with the strap 7 by a quick fixing device, which includes: a first hinge shaft 60, a handle 61, a fixing bolt 62, a second connecting rod 63, a first wedge block 64, a connecting block 65, a second wedge block 66, a support member 67, a second hinge shaft 68, and a communicating hole 69;

connecting bolt 6 passes connecting hole 702 on the lagging 7, be fixed with second wedge 66 on the lagging 7, there is intercommunicating pore 69 in second wedge 66 central authorities, second wedge 66 one end is fixed with support piece 67 one end through fixing bolt 62, the support piece 67 other end is through the articulated handle 61 of first articulated shaft 60, handle 61 end is through the articulated second connecting rod 63 of second articulated shaft 68, the second connecting rod 63 other end articulates in connecting block 65, connecting block 65 is fixed in first wedge 64, the inclined plane contact of first wedge 64 and second wedge 66, and connecting bolt 6 passes first wedge 64, second wedge 66.

The working principle and the beneficial effects of the technical scheme are as follows: the connecting bolt 6 on the die is inserted into the first wedge block 64 and the second wedge block 66 which are fixed on the sleeve plate 7, the handle 61 is pressed down to drive the first wedge block 64 to move, the first wedge block 64 and the second wedge block 66 move relatively, and the space between the bolt head of the connecting bolt 6 and the die is filled up, so that the die is quickly fixed, and the design of the quick fixing device increases the practicability and improves the convenience.

Example 6

Referring to fig. 6, 7 and 9, on the basis of the embodiment 5, a limiting hole 701 is formed in the sheathing plate 7, the limiting hole 701 is sleeved on a supporting column 13, the supporting column 13 penetrates through a base 14 and is fixed to the base 14, a first motor 15 is fixed to the outer side of the base 14, the output end of the first motor 15 is connected with a driving pulley 16, and the driving pulley 16 is connected with a driven pulley 18 through a belt 17;

the driven belt wheel 18 is fixed at one end of a threaded shaft 29, the threaded shaft 29 is rotatably connected with the base 14 through a fixing piece 30, and the other end of the threaded shaft 29 penetrates through the base 14 to be in threaded connection with the inside of the transmission piece 27;

the upper surface of the base 14 is fixed with a hinge 28, the transmission member 27 and the hinge 28 are respectively hinged to one corner of a triangular plate 26, the other corner of the triangular plate 26 is hinged to one end of a first connecting rod 24, the other end of the first connecting rod 24 is hinged to a second connecting rod 25, and the second connecting rod 25 is connected to the lower template 3.

The working principle and the beneficial effects of the technical scheme are as follows: when the device is used, the first motor 15 is started to drive the driving belt wheel 16 to rotate, the driven belt wheel 18 rotates through the transmission of the belt 17, the threaded shaft 29 for fixing the driven belt wheel 18 is connected to the base 14 through the fixing piece 30, the threaded shaft 29 is prevented from falling off, the transmission piece 27 moves up or down when the threaded shaft 29 is driven to rotate by the driven belt wheel 18, the triangular plate 26 is driven to rotate around a corner hinged with the hinge support 28, the first connecting rod 24 hinged with the second connecting rod 25 rotates around the hinged part of the first connecting rod 24 and the second connecting rod 25, and the lower template 3 fixed on the second connecting rod 25 moves in the vertical direction.

Example 7

Referring to fig. 6, on the basis of the embodiment 6, a water tank 19 is fixed at the edge of the upper surface of the base 14, a water pump 20 is fixed above the water tank 19, the water pump 20 is connected with a water outlet pipe 21, the water outlet pipe 21 is connected with the water inlet hole 5 of the mold water channel through a hose 23, the lower side surface of the water tank 19 is connected with a water inlet pipe 22, and the water inlet pipe 22 is connected with the water outlet hole 4 of the mold water channel through a hose 23.

The working principle and the beneficial effects of the technical scheme are as follows: in the working process, the water pump 20 pumps water in the water tank 19 out, the water is pressed into the die through the water outlet pipe 21, the water returns to the water tank 19 through the water inlet pipe 22 after flowing in the pipeline in the die for a circle, circulation is formed, the cooling convenience of the die is guaranteed, meanwhile, the die is connected with the water inlet pipe 22 and the water outlet pipe 21 through the hose 23, the die is guaranteed not to be interfered by a water path in the moving process, and the practicability of the invention is improved.

Example 8

Referring to fig. 6 and 8, on the basis of the embodiment 6, the upper and lower sides of the sleeve plate 7 fixed to the upper mold plate 1 are respectively fixed with the third fixing ring 33 and the second fixing ring 32, the lower side of the sleeve plate 7 fixed to the middle mold plate 2 is fixed with the first fixing ring 31, and the first fixing ring 31, the second fixing ring 32 and the third fixing ring 33 are all sleeved on the supporting column 13 and fixed with the supporting column 13.

The working principle and the beneficial effects of the technical scheme are as follows: the fixed ring 33 of third, the solid fixed ring 32's of second setting guarantee the definite of cope match-plate pattern 1 position, and after the use, lower bolster 3 descends, and well template 2 receives the restriction of first solid fixed ring 31 in the in-process that descends, separates with lower bolster 3, and this design makes the very big convenience of polytetrafluoroethylene panel when the drawing of patterns.

Example 9

Referring to fig. 14-18, on the basis of the above embodiment 6, the apparatus further comprises a lower template surface cleaning apparatus 71, wherein the lower template surface cleaning apparatus 71 comprises: the cleaning machine comprises a nut 34, an expansion sleeve 35, a first fixed shaft 36, a driven gear 37, a second motor 38, a driving gear 39, a second fixed shaft 40, a sliding chute 41, a chain 42, an expansion piece 43, a shell 44, a cleaning head 45, a first spring 46, a transmission shaft 47, a third motor 48, a cavity 49, a fastening bolt 50, a box body 51, a moving gear 52, a limiting block 53, an expansion rod 54, a first connecting rod 55, a second spring 56, a moving shaft 57, a fixed block 58, a hinge bolt 59 and a quick-screwing collar 70;

the box body 51 is connected to the supporting column 13 through a quick-screwing lantern ring 70, a second motor 38 is fixed on the outer surface of the box body 51, the output end of the second motor 38 is connected with a second fixed shaft 40, the second fixed shaft 40 is fixed with the driving gear 39, the first fixed shaft 36 is fixed at the other end of the box body 51, and the driven gear 37 is connected with the first fixed shaft 36;

a sliding groove 41 is formed in the middle section of the box body 51, one end of a moving shaft 57 is positioned in the sliding groove 41, the middle of the moving shaft 57 is connected with a moving gear 52, the moving gear 52 is connected with a driven gear 37 and a driving gear 39 through a chain 42, the other end of the moving shaft 57 is fixed with a fixed block 58, the fixed block 58 is hinged with a telescopic sleeve 35 through a hinge bolt 59, and a nut 34 is installed at the lower end of the hinge bolt 59;

a limiting block 53 is fixed on the periphery of the front end of the telescopic sleeve 35, a second spring 56 is sleeved on the extending end of the telescopic sleeve 35, the second spring 56 is limited by the limiting block 53 and the sleeve of the telescopic sleeve 35, the front end of the telescopic sleeve 35 is hinged with one end of the second fixed shaft 40, the other end of the second fixed shaft 40 is hinged with a telescopic piece 43, and the number of the second fixed shafts 40 is two, symmetrical about the telescopic piece 43, the two ends of the telescopic rod 54 are respectively fixed with the two second fixed shafts 40, the housing 44 is fixed with the telescopic piece 43 through the fastening bolt 50, a cavity 49 is present within the housing 44, the third motor 48 is located in the cavity 49, and is fixed with casing 44, the output of third motor 48 is connected with transmission shaft 47, the other end of transmission shaft 47 is fixed with one end of first spring 46, the other end of first spring 46 is fixed connection cleaning head 45.

The working principle and the beneficial effects of the technical scheme are as follows: after the use of the mold is finished, the lower mold plate 3 is inevitably subjected to scrap of leftover materials, and the next use is influenced, at this time, the cleaning device which is positioned outside the upper surface of the lower mold plate 3 is pushed in, the second spring 56 sleeved on the telescopic sleeve 35 contracts, the telescopic sleeve 35, the fixed block 58 and the first connecting rod 55 rotate, the whole length is shortened, the cleaning device is contacted with the lower mold plate 3, the second motor 38 fixed on the box body 51 is started to drive the driving gear 39 to rotate, the driving gear 39 and the driven gear 37 synchronously rotate through the chain 42, the moving gear 52 connected on the chain 42 drives the moving shaft 57 to move in the range allowed by the chute 41, because the moving shaft 57 is fixed with the fixed block 58, the fixed block 58 is connected to the cleaning head 45 through the telescopic sleeve 35, the telescopic part 43, the shell 44 and the first connecting rod 55, the moving shaft 57 drives the cleaning head 45 to move on the surface of the lower mold plate 3, in the process, the third motor 48 fixed in the shell 44 rotates, the first spring 46 and the transmission shaft 47 drive the cleaning head 45 to rotate, leftover materials remained on the surface of the lower template 3 can be removed, the cleaning device is arranged to clean the die, manpower is saved, and efficiency is improved.

Example 10

On the basis of the above embodiment 6, further comprising a belt state detection device, the belt state detection device comprising:

a rotation speed sensor provided at an output shaft of the first motor 15 for detecting a rotation speed of the first motor 15;

a torque sensor provided on the driven pulley 18 for detecting an output torque of the driven pulley 18;

a timer to record the total time of belt 17 usage;

an alarm located outside the base 14;

step 1: the controller obtains the tension of the belt 17 based on the rotation speed sensor, the torque sensor and the formula (1):

wherein, F₁Is the tension of the belt 17, K is the wrap angle correction factor, B is the number of belts 17, l₁Is the diameter of the driving pulley 16, l₂The diameter of the driven pulley 18, n is the rotation speed of the first motor 15 detected by the rotation speed sensor, pi is the circumference ratio, P is the output power of the first motor 15, and T is the output torque of the driven pulley 18 detected by the torque sensor;

step 2: the controller calculates the axial compression force of the belt 17 based on the timer and equation (2):

wherein, F₂Is the axial pressure of the belt 17, sin is a cosine function, l₂Is the diameter of the driven pulley 18, a is the center-to-center distance between the driving pulley 16 and the driven pulley 18, t₁Is a unit time, t₂The total time of belt 17 usage recorded by the timer;

when the shaft pressing force of the belt 17 exceeds a preset reference value range, the controller controls the alarm to give an alarm.

The working principle and the beneficial effects of the technical scheme are as follows: the belt 17 inevitably has a series of problems such as aging and failure in the using process, the rotating speed sensor is arranged at the output shaft of the first motor 15 and is used for detecting the rotating speed of the first motor 15, the speed of the belt 17 is judged by detecting the rotating speed of the first motor 15, the tension of the belt 17 is calculated according to the number of the belts 17, the diameter of the driving belt wheel 16, the output power of the first motor 15, the weight of the belt 17, the output torque of the driven belt wheel 18 detected by the torque sensor and a formula (1), then the shaft pressing force of the belt 17 can be calculated according to the calculation result of the formula (1), the total time of the use of the belt 17 recorded by the timer and the formula (2), and when the shaft pressing force of the belt 17 exceeds a preset reference value range, the controller can control the alarm to give an alarm prompt so as to remind a field worker to overhaul the belt 17, The change, send the warning through setting up controller control alarm, can in time remind the staff to overhaul equipment according to belt 17's pressure axle power, monitor belt 17's operating condition, can make the staff in time discover the work of equipment unusual, improved the work efficiency of equipment and the intelligent degree of equipment.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a polytetrafluoroethylene panel mould convenient to cooling, includes the mould body, its characterized in that: the mould body is provided with a water outlet (4) and a water inlet (5);

the die body comprises an upper die plate (1), a middle die plate (2) and a lower die plate (3), the upper die plate (1), the middle die plate (2) and the lower die plate (3) are designed in a split mode, the upper die plate (1) is connected with the upper surface of the middle die plate (2) in a sealing mode, and the lower die plate (3) is connected with the lower surface of the middle die plate (2) in a sealing mode;

connecting bolts (6) are fixed on two sides of the upper template (1), the middle template (2) and the lower template (3);

connecting bolt (6) are fixed through quick fixing device and lagging (7), quick fixing device includes: the device comprises a first hinge shaft (60), a handle (61), a fixing bolt (62), a second connecting rod (63), a first wedge-shaped block (64), a connecting block (65), a second wedge-shaped block (66), a supporting piece (67), a second hinge shaft (68) and a communication hole (69);

the connecting bolt (6) penetrates through a connecting hole (702) in the sleeve plate (7), a second wedge-shaped block (66) is fixed on the sleeve plate (7), a communicating hole (69) is formed in the center of the second wedge-shaped block (66), one end of the second wedge-shaped block (66) is fixed with one end of a supporting piece (67) through a fixing bolt (62), the other end of the supporting piece (67) is hinged to the handle (61) through a first hinged shaft (60), the tail end of the handle (61) is hinged to a second connecting rod (63) through a second hinged shaft (68), the other end of the second connecting rod (63) is hinged to a connecting block (65), the connecting block (65) is fixed to the first wedge-shaped block (64), the first wedge-shaped block (64) is in contact with the inclined surface of the second wedge-shaped block (66), and the connecting bolt (6) penetrates through the first wedge-shaped block (64) and the second wedge-shaped block (66);

a limiting hole (701) is formed in the sleeve plate (7), the limiting hole (701) is sleeved on the supporting column (13), the supporting column (13) penetrates through the base (14) and is fixed with the base (14), a first motor (15) is fixed on the outer side of the base (14), the output end of the first motor (15) is connected with the driving belt wheel (16), and the driving belt wheel (16) is connected with the driven belt wheel (18) through a belt (17);

the driven belt wheel (18) is fixed at one end of a threaded shaft (29), the threaded shaft (29) is rotatably connected with the base (14) through a fixing piece (30), and the other end of the threaded shaft (29) penetrates through the base (14) and is in threaded connection with the inside of the transmission piece (27);

a hinged support (28) is fixed on the upper surface of the base (14), the transmission piece (27) and the hinged support (28) are respectively hinged to one corner of a triangular plate (26), the other corner of the triangular plate (26) is hinged to one end of a first connecting rod (24), the other end of the first connecting rod (24) is hinged to a second connecting rod (25), and the second connecting rod (25) is connected to the lower template (3);

the lower template surface cleaning device (71) is further included, and the lower template surface cleaning device (71) comprises: the cleaning device comprises a nut (34), a telescopic sleeve (35), a first fixing shaft (36), a driven gear (37), a second motor (38), a driving gear (39), a second fixing shaft (40), a sliding groove (41), a chain (42), a telescopic piece (43), a shell (44), a cleaning head (45), a first spring (46), a transmission shaft (47), a third motor (48), a cavity (49), a fastening bolt (50), a box body (51), a moving gear (52), a limiting block (53), a telescopic rod (54), a first connecting rod (55), a second spring (56), a moving shaft (57), a fixing block (58), a hinge bolt (59) and a quick-screwing lantern ring (70);

the box body (51) is connected to the supporting column (13) through a quick-screwing lantern ring (70), a second motor (38) is fixed on the outer surface of the box body (51), the output end of the second motor (38) is connected with a second fixed shaft (40), the second fixed shaft (40) is fixed with the driving gear (39), the first fixed shaft (36) is fixed to the other end of the box body (51), and the driven gear (37) is connected with the first fixed shaft (36);

a sliding groove (41) is formed in the middle section of the box body (51), one end of a moving shaft (57) is located in the sliding groove (41), a moving gear (52) is connected to the middle of the moving shaft (57), the moving gear (52) is connected with a driven gear (37) and a driving gear (39) through a chain (42), the other end of the moving shaft (57) is fixed with a fixed block (58), the fixed block (58) is hinged to a telescopic sleeve (35) through a hinge bolt (59), and a nut (34) is installed at the lower end of the hinge bolt (59);

a limiting block (53) is fixed on the periphery of the front end of the telescopic sleeve (35), a second spring (56) is sleeved on the extending end of the telescopic sleeve (35), the second spring (56) is limited by the limiting block (53) and a sleeve of the telescopic sleeve (35), the front end of the telescopic sleeve (35) is hinged to one end of a second fixed shaft (40), the other end of the second fixed shaft (40) is hinged to a telescopic piece (43), the number of the second fixed shafts (40) is two, the two ends of the telescopic rod (54) are fixed to the two second fixed shafts (40) respectively, the shell (44) is fixed to the telescopic piece (43) through fastening bolts (50), a cavity (49) is formed in the shell (44), the third motor (48) is located in the cavity (49) and fixed to the shell (44), the output end of the third motor (48) is connected with a transmission shaft (47), the other end of the transmission shaft (47) is fixed with one end of a first spring (46), and the other end of the first spring (46) is fixedly connected with a cleaning head (45).

2. A polytetrafluoroethylene sheet die for facilitating cooling as set forth in claim 1 wherein: the die comprises a middle die plate (2), a lower die plate (3), guide columns (9) and guide holes (10), wherein the upper surface corners of the middle die plate (2) and the lower surface corners of the lower die plate (3) are provided with the guide columns (9), the guide columns (9) are matched with the guide holes (10), and the middle of the middle die plate (2) is provided with a die cavity (8).

3. A polytetrafluoroethylene sheet die for facilitating cooling as set forth in claim 1 wherein: snakelike water channels (11) are arranged in the upper template (1) and the lower template (3), and spiral water channels (12) are arranged in the outer wall of the middle template (2).

4. A polytetrafluoroethylene sheet die for facilitating cooling as set forth in claim 1 wherein: base (14) upper surface edge is fixed with water tank (19), water tank (19) top is fixed with water pump (20), outlet pipe (21) is connected in water pump (20), inlet opening (5) that mould water course is connected through hose (23) in outlet pipe (21), water tank (19) downside surface and inlet tube (22), apopore (4) that mould water course is connected through hose (23) in inlet tube (22).

5. A polytetrafluoroethylene sheet die for facilitating cooling as set forth in claim 1 wherein: the solid fixed ring of third (33), the solid fixed ring of second (32) are fixed respectively to the upper and lower both sides of cope match-plate pattern (1) fixed lagging (7), the downside of the fixed lagging (7) of well template (2) is fixed with first solid fixed ring (31), the solid fixed ring of second (32), the solid fixed ring of third (33) all cup joint in support column (13), and fixed with support column (13).

6. A polytetrafluoroethylene sheet die for facilitating cooling as set forth in claim 1 wherein: still include belt state detection device, belt state detection device includes:

the rotating speed sensor is arranged at an output shaft of the first motor (15) and used for detecting the rotating speed of the first motor (15);

a torque sensor provided on the driven pulley (18) for detecting an output torque of the driven pulley (18);

a timer for recording the total time of use of the belt (17);

an alarm located outside the base (14);

step 1: the controller obtains the tension of the belt (17) based on the rotating speed sensor, the torque sensor and a formula (1):

wherein, F₁Is the tension of the belt (17), K is the wrap angle correction factor, B is the number of belts (17), l₁Is the diameter of the driving pulley (16) |₂The diameter of the driven pulley (18), n is the rotating speed of the first motor (15) detected by a rotating speed sensor, pi is the circumference ratio, P is the output power of the first motor (15), and T is the output torque of the driven pulley (18) detected by a torque sensor;

step 2: the controller calculates a shaft pressing force of the belt (17) based on the timer and formula (2):

wherein, F₂Is the pressing axial force of the belt (17), sin is a cosine function,/₂Is the diameter of the driven pulley (18), a is the center distance between the driving pulley (16) and the driven pulley (18), t₁Is a unit time, t₂The above-mentionedThe total time of use of the belt (17) recorded by the timer;

when the shaft pressing force of the belt (17) exceeds a preset reference value range, the controller controls the alarm to give an alarm.