CN109623914B - Polystyrene board cutting knife - Google Patents
Polystyrene board cutting knife Download PDFInfo
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- CN109623914B CN109623914B CN201811600528.7A CN201811600528A CN109623914B CN 109623914 B CN109623914 B CN 109623914B CN 201811600528 A CN201811600528 A CN 201811600528A CN 109623914 B CN109623914 B CN 109623914B
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- Prior art keywords
- clamp
- cutting wire
- conducting plate
- heat
- cutting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/547—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member
- B26D1/553—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member with a plurality of wire-like cutting members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
Abstract
The invention discloses a polystyrene board cutting knife which comprises a power supply, a current regulator, a cutting wire and a clamp made of a non-conductive material; the clamp is in a shuttle shape; an opening is formed in one shuttle-sharp edge of the clamp, and the cutting wire is clamped and embedded in the opening; one end of the cutting wire is communicated with one pole of the power supply through the current regulator, and the other end of the cutting wire is communicated with the other pole of the power supply. The cutting wire can not be broken when the polystyrene board is cut, so that the cutting wire is not required to be replaced, and the cutting efficiency is improved.
Description
Technical Field
The invention relates to the field of production and manufacturing of building materials, in particular to a polystyrene board cutting knife.
Background
Modern buildings impose more stringent requirements on the aesthetic appearance of the facade, which is usually not provided with any decorative shaping due to the materials and manner of construction and the cost of modern buildings, and it is necessary to fix a decorative structure on the facade of the building in order to make the facade beautiful.
Modern architectural decorative structures include stone, aluminum panels, glass, etc., but these building materials are expensive and heavy, and have high requirements for buildings. Expanded polystyrene board lines are widely used and decorated as a material with high strength, low density and low price.
The polystyrene board is produced by adopting a container similar to toast bread, the produced polystyrene board is in a regular block shape with a large volume, and needs to be cut according to actual conditions when in use, and the cutting is carried out by adopting a thermal cutting mode, namely resistance wire cutting, but because the resistance wire is positioned in the polystyrene board when being cut, the heat dissipation is not good, the wire breakage is easy to occur, if the wire breakage occurs in the cutting process, the cutting wire needs to be changed, and meanwhile, the changed cutting wire needs to be moved once along the path which is cut, so that the cutting efficiency is greatly reduced.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is directed to a cutting knife for polystyrene board, which can avoid the occurrence of the breakage of the cutting wire and the resulting decrease in efficiency.
The purpose of the invention is realized by the following technical scheme:
the polystyrene board cutting knife comprises a power supply, a current regulator, a cutting wire and a clamp made of non-conductive materials; the clamp is in a shuttle shape; an opening is formed in one shuttle-sharp edge of the clamp, and the cutting wire is clamped and embedded in the opening; one end of the cutting wire is communicated with one pole of the power supply through the current regulator, and the other end of the cutting wire is communicated with the other pole of the power supply.
Further, the cross section of the opening of the clamp is crescent-shaped; the cross section of the cutting wire is 8-shaped; one round end edge of the cutting wire is clamped and embedded in the crescent opening, and the diameter of the arc of the other round end edge is larger than that of the opening.
Further, a heat conducting plate is arranged on the clamp; one end of the heat conducting plate is connected with the clamp; the other end of the heat conducting plate is contacted with the surface of the exposed round end of the cutting wire, and the heat conducting plate at the contact part is in smooth transition with the outer surface of the cutting wire; the outer surface profile of the heat conducting plate is arc-shaped.
Furthermore, a spherical bulge is arranged on one side of the heat conducting plate connected with the clamp; the clamp is provided with a clamping groove for the insertion of the spherical bulge of the heat conducting plate; the inner side of the heat conducting plate is provided with a magnet; the outer surface of the clamp is provided with a groove corresponding to the magnet, and a material which is magnetically attracted with the magnet is placed in the groove.
Furthermore, a heat conducting pad is arranged on the part, in contact with the cutting sheet, of the inner side of the heat conducting plate.
Furthermore, a through hole is arranged in the clamp; the minimum distance between the through hole and the opening is not more than 0.5 mm; and a thermistor wire is arranged in the through hole, and two ends of the thermistor wire are electrically connected with a power supply through an ammeter.
Further, a heat dissipation channel is arranged inside the clamp, and two ends of the heat dissipation channel are respectively communicated with the radiator.
Furthermore, a plurality of convex sheets are arranged on the inner wall of the heat dissipation passage; the cross section of a plurality of the convex sheets becomes smaller as the height of the convex sheets becomes higher.
Further, the radiator is an air pump or a water pump.
Further, the temperature of the heat dissipation medium concerned by the heat radiator at the outlet of the heat radiator is 0.5-5 ℃ plus or minus the optimal cutting temperature of the cutting wire.
Due to the adoption of the technical scheme, the invention has the following advantages:
through fixing the cutting wire together with the anchor clamps that do not electrically conduct for the fracture appears under the extrusion of polyphenyl board (the cutting wire removes and hits the polyphenyl board) in the back of still not appearing the high temperature behind the cutting wire high temperature, and anchor clamps set up to fusiformis volume simultaneously and also can not lead to the molding precision to descend when cutting the molding.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
The drawings of the invention are illustrated as follows:
FIG. 1 is a schematic view of a polystyrene board cutter.
FIG. 2 is a schematic view of the section A-A in FIG. 1.
Fig. 3 is an enlarged schematic view of B in fig. 2.
In the figure: 1. a power source; 2. a current regulator; 3. cutting the wire; 4. a clamp; 41. an opening; 42. a clamping groove; 43. a groove; 5. a heat conducting plate; 51. a spherical bulge; 52. a magnet; 6. a thermally conductive pad; 7. a through hole; 8. a thermistor wire; 9. an ammeter; 10. a heat dissipation channel; 101. a raised piece; 11. a heat sink.
Detailed Description
The invention is further illustrated by the following figures and examples.
Example 1:
as shown in fig. 1 to 3, the polystyrene board cutting knife comprises a power supply 1, a current regulator 2, a cutting wire 3, a clamp 4 made of non-conductive material; the clamp 4 is in a shuttle shape; an opening 41 is arranged on one shuttle-sharp edge of the clamp 4, and the cutting wire 3 is embedded in the opening 41; one end of the cutting wire 3 is communicated with one pole of the power supply 1 through the current regulator 2, and the other end is communicated with the other pole of the power supply 1.
Through fixing the cutting wire 3 and the clamp 4 which is not conductive together, the cutting wire 3 still can not be broken under the extrusion of the polyphenyl board (the cutting wire 3 moves to collide the polyphenyl board) after the temperature is too high, and meanwhile, the clamp 4 is set to be in a fusiform shape, so that the modeling precision can not be reduced when the modeling is cut.
In this embodiment, the cross section of the opening 41 of the jig 4 is crescent-shaped; the cross section of the cutting wire 3 is 8-shaped; one circular end edge of the cutting wire 3 is clamped in the crescent-shaped opening 41, and the diameter of the circular arc of the other circular end edge is larger than that of the opening 41.
By being arranged in the shape of an 8, the diameter of the opening 41 is smaller than that of the round end, so that the cutting wire 3 can be more stably arranged in the clamp 4, and the cutting wire 3 can be directly drawn out or pulled out during replacement.
In this embodiment, the heat conducting plate 5 is provided on the jig 4; one end of the heat conducting plate 5 is connected with the clamp 4; the other end of the cutting wire is in apparent contact with the exposed round end of the cutting wire 3, and the heat conducting plate 5 at the contact part is in smooth transition with the outer surface of the cutting wire 3; the outer surface profile of the heat conducting plate 5 is arc-shaped.
The heat conducting plate 5 is arranged to transfer heat of the resistance wire to the clamp 4, so that when the temperature of the resistance wire is too high, the heat can be transferred away, the temperature of a certain position of the resistance wire can be absorbed, and the temperature of each position of the resistance wire can be uniform as much as possible.
In this embodiment, a spherical protrusion 51 is provided on one side of the heat conducting plate 5 connected to the clamp 4; the clamp 4 is provided with a clamping and embedding groove 42 for the spherical bulge 51 of the heat conducting plate 5 to penetrate; a magnet 52 is arranged on the inner side of the heat conducting plate; the outer surface of the clamp 4 is provided with a groove 43 corresponding to the magnet 52, and a material magnetically attracted with the magnet 52 is placed in the groove 43, such as the magnet 52 or an iron block.
The tip of the heat conducting plate 5 is set to be lower than the height of the cutting wire 3, and the middle part is preferably set to be a downward pressing type, so that the possibility that the heat conducting plate 5 is lifted by the polystyrene board can be reduced to the maximum extent.
Set up heat-conducting plate 5 to detachable makes, can change the heat-conducting plate 5 that matches with cutting wire 3 after changing different cutting wires 3, set up magnet 52 and can fix heat-conducting plate 5.
In this embodiment, a heat conducting pad 6 is disposed on the inner side of the heat conducting plate 5, which is in contact with the cutting blade.
The heat conducting pad 6 can accelerate the heat transfer.
In this embodiment, the fixture 4 is provided with a through hole 7; the minimum distance between the through hole 7 and the opening 41 is 0.5 mm; a thermistor 8 is arranged in the through hole 7, and two ends of the thermistor 8 are electrically connected with the power supply 1 through an ammeter 9.
The temperature of the cutting wire 3 can be checked by arranging the thermistor wire 8 through the ammeter 9, if the temperature is too high, the cutting wire 3 can be temporarily heated or the radiator 11 can be selectively started to cool, and when the temperature is too low, the voltage and the current of the cutting wire 3 can be increased.
In this embodiment, the inside of the clamp 4 is provided with a heat dissipation channel 10, and two ends of the heat dissipation channel 10 are respectively communicated with the heat sink 11.
The provision of the heat dissipation channel 10 allows indirect control of the temperature of the cutting wire 3.
In this embodiment, the inner wall of the heat dissipation passage is provided with a plurality of convex sheets 101; the plurality of convex pieces 101 become smaller in cross section as the height of the convex becomes higher.
The provision of the convex pieces 101 can increase the contact area between the heat-dissipating medium and the jig 4, and can control the temperature of the jig 4 more quickly.
In this embodiment, the heat sink 11 is an air pump, and the temperature of the clamp 4 can be adjusted by using the temperature of air, or the temperature of the clamp 4 can be controlled by using a liquid if a water pump is used.
In this embodiment, the temperature of the heat dissipation medium concerned by the heat sink 11 at the outlet of the heat sink 11 is plus or minus 0.5 degrees of the optimal cutting temperature of the cutting wire 3.
By limiting the temperature of the heat dissipation medium at the opening of the heat sink 11, it can be ensured that the heat dissipation medium does not reduce the temperature of the head end of the clamp 4 too much or cannot adjust the temperature of the clamp 4 at the tail end of the clamp 4.
The invention is used in that the clamp 4 and the cutting wire 3 are mounted on the cutting platform, after cutting is started, the current regulator 2 is controlled to heat the cutting wire 3, and the current reading on the current meter 9 is observed, if the reading of the current meter 9 is larger than a preset value, the temperature of the cutting wire 3 is low, the temperature of the cutting wire 3 can reach an optimal value by adjusting the current regulator 2, and if the reading of the current meter 9 is lower than the preset value, the operation is reversed.
If the temperature of the cutting wire 3 is too high, the heat sink 11 is activated to dissipate heat from the holder 4.
Example 2:
as shown in fig. 1 to 3, the polystyrene board cutting knife comprises a power supply 1, a current regulator 2, a cutting wire 3, a clamp 4 made of non-conductive material; the clamp 4 is in a shuttle shape; an opening 41 is arranged on one shuttle-sharp edge of the clamp 4, and the cutting wire 3 is embedded in the opening 41; one end of the cutting wire 3 is communicated with one pole of the power supply 1 through the current regulator 2, and the other end is communicated with the other pole of the power supply 1.
Through fixing the cutting wire 3 and the clamp 4 which is not conductive together, the cutting wire 3 still can not be broken under the extrusion of the polyphenyl board (the cutting wire 3 moves to collide the polyphenyl board) after the temperature is too high, and meanwhile, the clamp 4 is set to be in a fusiform shape, so that the modeling precision can not be reduced when the modeling is cut.
In this embodiment, the cross section of the opening 41 of the jig 4 is crescent-shaped; the cross section of the cutting wire 3 is 8-shaped; one circular end edge of the cutting wire 3 is clamped in the crescent-shaped opening 41, and the diameter of the circular arc of the other circular end edge is larger than that of the opening 41.
By being arranged in the shape of an 8, the diameter of the opening 41 is smaller than that of the round end, so that the cutting wire 3 can be more stably arranged in the clamp 4, and the cutting wire 3 can be directly drawn out or pulled out during replacement.
In this embodiment, the heat conducting plate 5 is provided on the jig 4; one end of the heat conducting plate 5 is connected with the clamp 4; the other end of the cutting wire is contacted with the surface of the exposed round end of the cutting wire 3, and the heat conducting plate 5 at the contact part is in smooth transition with the outer surface of the cutting wire 3; the outer surface profile of the heat conducting plate 5 is arc-shaped.
The heat conducting plate 5 is arranged to transfer heat of the resistance wire to the clamp 4, so that when the temperature of the resistance wire is too high, the heat can be transferred away, the temperature of a certain position of the resistance wire can be absorbed, and the temperature of each position of the resistance wire can be uniform as much as possible.
In this embodiment, a spherical protrusion 51 is provided on one side of the heat conducting plate 5 connected to the clamp 4; the clamp 4 is provided with a clamping and embedding groove 42 for the spherical bulge 51 of the heat conducting plate 5 to penetrate; a magnet 52 is arranged on the inner side of the heat conducting plate; the outer surface of the clamp 4 is provided with a groove 43 corresponding to the magnet 52, and a material magnetically attracted with the magnet 52 is placed in the groove 43, such as the magnet 52 or an iron block.
The tip of the heat conducting plate 5 is set to be lower than the height of the cutting wire 3, and the middle part is preferably set to be a downward pressing type, so that the possibility that the heat conducting plate 5 is lifted by the polystyrene board can be reduced to the maximum extent.
Set up heat-conducting plate 5 to detachable makes, can change the heat-conducting plate 5 that matches with cutting wire 3 after changing different cutting wires 3, set up magnet 52 and can fix heat-conducting plate 5.
In this embodiment, a heat conducting pad 6 is disposed on the inner side of the heat conducting plate 5, which is in contact with the cutting blade.
The heat conducting pad 6 can accelerate the heat transfer.
In this embodiment, the fixture 4 is provided with a through hole 7; the minimum distance between the through hole 7 and the opening 41 is 0.5 mm; a thermistor 8 is arranged in the through hole 7, and two ends of the thermistor 8 are electrically connected with the power supply 1 through an ammeter 9.
The temperature of the cutting wire 3 can be checked by arranging the thermistor wire 8 through the ammeter 9, if the temperature is too high, the cutting wire 3 can be temporarily heated or the radiator 11 can be selectively started to cool, and when the temperature is too low, the voltage and the current of the cutting wire 3 can be increased.
In this embodiment, the inside of the clamp 4 is provided with a heat dissipation channel 10, and two ends of the heat dissipation channel 10 are respectively communicated with the heat sink 11.
The provision of the heat dissipation channel 10 allows indirect control of the temperature of the cutting wire 3.
In this embodiment, the inner wall of the heat dissipation passage is provided with a plurality of convex sheets 101; the plurality of convex pieces 101 become smaller in cross section as the height of the convex becomes higher.
The provision of the convex pieces 101 can increase the contact area between the heat-dissipating medium and the jig 4, and can control the temperature of the jig 4 more quickly.
In this embodiment, the heat sink 11 is an air pump, and the temperature of the clamp 4 can be adjusted by using the temperature of air, or the temperature of the clamp 4 can be controlled by using a liquid if a water pump is used.
In this embodiment, the temperature of the heat dissipation medium concerned by the heat sink 11 at the outlet of the heat sink 11 is plus or minus 5 degrees of the optimal cutting temperature of the cutting wire 3.
By limiting the temperature of the heat dissipation medium at the opening of the heat sink 11, it can be ensured that the heat dissipation medium does not reduce the temperature of the head end of the clamp 4 too much or cannot adjust the temperature of the clamp 4 at the tail end of the clamp 4.
The invention is used in that the clamp 4 and the cutting wire 3 are mounted on the cutting platform, after cutting is started, the current regulator 2 is controlled to heat the cutting wire 3, and the current reading on the current meter 9 is observed, if the reading of the current meter 9 is larger than a preset value, the temperature of the cutting wire 3 is low, the temperature of the cutting wire 3 can reach an optimal value by adjusting the current regulator 2, and if the reading of the current meter 9 is lower than the preset value, the operation is reversed.
If the temperature of the cutting wire 3 is too high, the heat sink 11 is activated to dissipate heat from the holder 4.
Example 3:
as shown in fig. 1 to 3, the polystyrene board cutting knife comprises a power supply 1, a current regulator 2, a cutting wire 3, a clamp 4 made of non-conductive material; the clamp 4 is in a shuttle shape; an opening 41 is arranged on one shuttle-sharp edge of the clamp 4, and the cutting wire 3 is embedded in the opening 41; one end of the cutting wire 3 is communicated with one pole of the power supply 1 through the current regulator 2, and the other end is communicated with the other pole of the power supply 1.
Through fixing the cutting wire 3 and the clamp 4 which is not conductive together, the cutting wire 3 still can not be broken under the extrusion of the polyphenyl board (the cutting wire 3 moves to collide the polyphenyl board) after the temperature is too high, and meanwhile, the clamp 4 is set to be in a fusiform shape, so that the modeling precision can not be reduced when the modeling is cut.
In this embodiment, the cross section of the opening 41 of the jig 4 is crescent-shaped; the cross section of the cutting wire 3 is 8-shaped; one circular end edge of the cutting wire 3 is clamped in the crescent-shaped opening 41, and the diameter of the circular arc of the other circular end edge is larger than that of the opening 41.
By being arranged in the shape of an 8, the diameter of the opening 41 is smaller than that of the round end, so that the cutting wire 3 can be more stably arranged in the clamp 4, and the cutting wire 3 can be directly drawn out or pulled out during replacement.
In this embodiment, the heat conducting plate 5 is provided on the jig 4; one end of the heat conducting plate 5 is connected with the clamp 4; the other end of the cutting wire is in apparent contact with the exposed round end of the cutting wire 3, and the heat conducting plate 5 at the contact part is in smooth transition with the outer surface of the cutting wire 3; the outer surface profile of the heat conducting plate 5 is arc-shaped.
The heat conducting plate 5 is arranged to transfer heat of the resistance wire to the clamp 4, so that when the temperature of the resistance wire is too high, the heat can be transferred away, the temperature of a certain position of the resistance wire can be absorbed, and the temperature of each position of the resistance wire can be uniform as much as possible.
In this embodiment, a spherical protrusion 51 is provided on one side of the heat conducting plate 5 connected to the clamp 4; the clamp 4 is provided with a clamping and embedding groove 42 for the spherical bulge 51 of the heat conducting plate 5 to penetrate; a magnet 52 is arranged on the inner side of the heat conducting plate; the outer surface of the clamp 4 is provided with a groove 43 corresponding to the magnet 52, and a material magnetically attracted with the magnet 52 is placed in the groove 43, such as the magnet 52 or an iron block.
The tip of the heat conducting plate 5 is set to be lower than the height of the cutting wire 3, and the middle part is preferably set to be a downward pressing type, so that the possibility that the heat conducting plate 5 is lifted by the polystyrene board can be reduced to the maximum extent.
Set up heat-conducting plate 5 to detachable makes, can change the heat-conducting plate 5 that matches with cutting wire 3 after changing different cutting wires 3, set up magnet 52 and can fix heat-conducting plate 5.
In this embodiment, a heat conducting pad 6 is disposed on the inner side of the heat conducting plate 5, which is in contact with the cutting blade.
The heat conducting pad 6 can accelerate the heat transfer.
In this embodiment, the fixture 4 is provided with a through hole 7; the minimum distance between the through hole 7 and the opening 41 is 0.5 mm; a thermistor 8 is arranged in the through hole 7, and two ends of the thermistor 8 are electrically connected with the power supply 1 through an ammeter 9.
The temperature of the cutting wire 3 can be checked by arranging the thermistor wire 8 through the ammeter 9, if the temperature is too high, the cutting wire 3 can be temporarily heated or the radiator 11 can be selectively started to cool, and when the temperature is too low, the voltage and the current of the cutting wire 3 can be increased.
In this embodiment, the inside of the clamp 4 is provided with a heat dissipation channel 10, and two ends of the heat dissipation channel 10 are respectively communicated with the heat sink 11.
The provision of the heat dissipation channel 10 allows indirect control of the temperature of the cutting wire 3.
In this embodiment, the inner wall of the heat dissipation passage is provided with a plurality of convex sheets 101; the plurality of convex pieces 101 become smaller in cross section as the height of the convex becomes higher.
The provision of the convex pieces 101 can increase the contact area between the heat-dissipating medium and the jig 4, and can control the temperature of the jig 4 more quickly.
In this embodiment, the heat sink 11 is an air pump, and the temperature of the clamp 4 can be adjusted by using the temperature of air, or the temperature of the clamp 4 can be controlled by using a liquid if a water pump is used.
In this embodiment, the temperature of the heat dissipation medium concerned by the heat sink 11 at the outlet of the heat sink 11 is plus or minus 2 degrees of the optimal cutting temperature of the cutting wire 3.
By limiting the temperature of the heat dissipation medium at the opening of the heat sink 11, it can be ensured that the heat dissipation medium does not reduce the temperature of the head end of the clamp 4 too much or cannot adjust the temperature of the clamp 4 at the tail end of the clamp 4.
The invention is used in that the clamp 4 and the cutting wire 3 are mounted on the cutting platform, after cutting is started, the current regulator 2 is controlled to heat the cutting wire 3, and the current reading on the current meter 9 is observed, if the reading of the current meter 9 is larger than a preset value, the temperature of the cutting wire 3 is low, the temperature of the cutting wire 3 can reach an optimal value by adjusting the current regulator 2, and if the reading of the current meter 9 is lower than the preset value, the operation is reversed.
If the temperature of the cutting wire 3 is too high, the heat sink 11 is activated to dissipate heat from the holder 4.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (8)
1. The polystyrene board cutting knife is characterized by comprising a power supply, a current regulator, a cutting wire and a clamp made of a non-conductive material; the clamp is in a shuttle shape; an opening is formed in one shuttle-sharp edge of the clamp, and the cutting wire is clamped and embedded in the opening; one end of the cutting wire is communicated with one pole of the power supply through a current regulator, and the other end of the cutting wire is communicated with the other pole of the power supply;
the cross section of the opening of the clamp is crescent; the cross section of the cutting wire is 8-shaped; one circular end edge of the cutting wire is clamped and embedded in the crescent opening, and the diameter of the arc of the other circular end edge is larger than that of the opening;
the heat conducting plate is arranged on the clamp; one end of the heat conducting plate is connected with the clamp; the other end of the heat conducting plate is contacted with the surface of the exposed round end of the cutting wire, and the heat conducting plate at the contact part is in smooth transition with the outer surface of the cutting wire; the outer surface profile of the heat conducting plate is arc-shaped.
2. The polystyrene board cutting knife of claim 1, wherein the heat conducting plate is provided with a spherical protrusion on the side connected with the clamp; the clamp is provided with a clamping groove for the insertion of the spherical bulge of the heat conducting plate; the inner side of the heat conducting plate is provided with a magnet; the outer surface of the clamp is provided with a groove corresponding to the magnet, and a material which is magnetically attracted with the magnet is placed in the groove.
3. The polystyrene board cutting knife of claim 1, wherein a heat conducting pad is provided on the inner side of the heat conducting plate at the portion contacting the cutting blade.
4. The polystyrene board cutting knife of claim 1, wherein a through hole is provided in the clamp; the minimum distance between the through hole and the opening is not more than 0.5 mm; and a thermistor wire is arranged in the through hole, and two ends of the thermistor wire are electrically connected with a power supply through an ammeter.
5. The polystyrene board cutting knife of claim 1, wherein a heat dissipation channel is provided inside the clamp, and both ends of the heat dissipation channel are respectively communicated with a heat sink.
6. The polystyrene board cutting knife of claim 5, wherein the heat dissipating through wall is provided with a plurality of protruding pieces; the cross section of a plurality of the convex sheets becomes smaller as the height of the convex sheets becomes higher.
7. The polystyrene board cutting knife of claim 5, wherein the heat sink is an air pump or a water pump.
8. The polystyrene board cutting knife of claim 5, wherein the temperature of the heat dissipation medium of interest of the heat sink at the outlet of the heat sink is plus or minus 0.5-5 degrees of the optimal cutting temperature of the cutting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600528.7A CN109623914B (en) | 2018-12-26 | 2018-12-26 | Polystyrene board cutting knife |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600528.7A CN109623914B (en) | 2018-12-26 | 2018-12-26 | Polystyrene board cutting knife |
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| Publication Number | Publication Date |
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| CN109623914A CN109623914A (en) | 2019-04-16 |
| CN109623914B true CN109623914B (en) | 2020-09-15 |
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| CN201811600528.7A Active CN109623914B (en) | 2018-12-26 | 2018-12-26 | Polystyrene board cutting knife |
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2018
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| DE3313475C1 (en) * | 1983-04-14 | 1984-12-06 | Frank 3300 Braunschweig Ziegler | Thermoelectric saw |
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| CN2920599Y (en) * | 2006-07-20 | 2007-07-11 | 康玉龙 | Plate cutting machine |
| CN101608501A (en) * | 2009-07-13 | 2009-12-23 | 哈尔滨鸿盛房屋节能体系研发中心 | The method and the specialized tool of processing tongue-and-groove structure on the EPS module |
| CN208117998U (en) * | 2018-05-02 | 2018-11-20 | 中水电第十一工程局（郑州）有限公司 | A kind of cystosepiment cutter device |
| CN208148038U (en) * | 2018-05-11 | 2018-11-27 | 长安大学 | Insulating layer material cutter device in a kind of tunnel in cold area model test |
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