CN210596153U - Resistance heat treatment device for U-shaped heat exchange tube - Google Patents
Resistance heat treatment device for U-shaped heat exchange tube Download PDFInfo
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- CN210596153U CN210596153U CN201921476304.XU CN201921476304U CN210596153U CN 210596153 U CN210596153 U CN 210596153U CN 201921476304 U CN201921476304 U CN 201921476304U CN 210596153 U CN210596153 U CN 210596153U
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Abstract
The utility model discloses a U-shaped heat exchange tube resistance method heat treatment device, include: the frame, the left and right sides in the frame is equipped with a clamp pipe circular telegram unit respectively, and the structure of two clamp pipe circular telegram units all includes: the mounting seat is provided with a lower die, an upper die and an upper die driving device capable of driving the upper die to move up and down, the lower die and the upper die are both mounted with the mounting seat in an insulating mode through an insulating block, the upper die and the lower die can clamp a straight pipe section of the U-shaped heat exchange tube after being closed, and the lower die is further provided with a power receiving plate. Foretell heat treatment device enables the U-shaped heat exchange tube and inserts the power to utilize resistance to generate heat and come to carry out thermal treatment to U-shaped heat exchange tube elbow, just so need not the stove in the heating just can carry out thermal treatment to U-shaped heat exchange tube elbow, and is simple and convenient, and compare in heat treatment furnace, above-mentioned heat treatment device equipment cost is low, and the maintenance cost is low, and area is little, can adapt to the thermal treatment of the U-shaped heat exchange tube of different specifications, thereby can greatly reduced manufacturing cost, practice thrift the place.
Description
Technical Field
The utility model relates to a U-shaped heat exchange tube field of making, concretely relates to U-shaped heat exchange tube resistance method heat treatment device.
Background
In the process of bending and forming an elbow of the U-shaped heat exchange tube on a tube bending machine, internal stress can be generated at the elbow, the internal stress in the elbow can reduce the service life of the U-shaped heat exchange tube, the internal stress in the elbow cannot be ignored along with higher and higher quality requirements on the U-shaped heat exchange tube, the internal stress is usually eliminated by adopting a heat treatment mode, but two ends of some U-shaped heat exchange tubes are provided with longer straight tube sections, so the U-shaped heat exchange tubes with longer straight tube sections cannot be subjected to heat treatment in a conventional heat treatment furnace.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that will solve is: a resistance heat treatment device with U-shaped heat exchange tubes without heating in a furnace is provided.
In order to solve the above problem, the utility model discloses the technical scheme who adopts does: u-shaped heat exchange tube resistance method heat treatment device includes: the frame, its characterized in that: the left and right sides in the frame is provided with a mutual disposition respectively and presss from both sides a tub circular telegram unit, and two structures that press from both sides tub circular telegram unit all include: the lower die and the upper die are respectively installed with the installation seat in an insulation way through an insulation block, the straight pipe section of the U-shaped heat exchange pipe can be clamped after the upper die and the lower die are closed, and the lower die is also provided with an electric connection plate used for being connected with a cable; after the U-shaped heat exchange tube is placed between the two tube clamping power-on units, the two tube clamping power-on units can clamp the U-shaped heat exchange tube through the straight tube sections of the U-shaped heat exchange tube on the corresponding side, after the fixed U-shaped heat exchange tube is connected with the positive and negative electricity at the two lower dies, the current can be conducted at the elbow of the U-shaped heat exchange tube, so that the elbow of the U-shaped heat exchange tube generates heat due to the resistance, and the heat treatment is carried out on the elbow of the U-shaped heat exchange tube.
Further, the heat treatment device with the U-shaped heat exchange tube adopting the resistance method comprises: further comprising: the support frame is used for supporting the U-shaped heat exchange tube straight tube section, an insulating layer is coated on the surface of the support frame, which is in contact with the U-shaped heat exchange tube straight tube section, and after the U-shaped heat exchange tube is fixed by the two tube clamping power-on units, the two straight tube sections on the U-shaped heat exchange tube can be supported through the support frame.
Further, the heat treatment device with the U-shaped heat exchange tube adopting the resistance method comprises: still be provided with two drive arrangement about with two clamp pipe circular telegram units one-to-one in the frame respectively, drive arrangement's structure includes about: the lead screw is installed on the rack, a hand wheel used for driving the lead screw to rotate is arranged at the outer end of the lead screw, a nut block fixed with a mounting seat in the pipe clamping and electrifying unit is connected to the lead screw in a threaded mode, a guide mechanism capable of guiding the nut block left and right is arranged between the nut block and the rack, the nut block can drive the pipe clamping and electrifying unit to move left and right after the lead screw is driven to rotate by the hand wheel, and therefore the distance between the two pipe clamping and electrifying units can be adjusted.
Further, the heat treatment device with the U-shaped heat exchange tube adopting the resistance method comprises: further comprising: the device comprises a controller, a power supply foot switch and a clamping foot switch, wherein the controller is used for controlling the connection or disconnection of two upper die driving devices and positive and negative electricity; the U-shaped heat exchange tube can be clamped or loosened by the two groups of upper and lower dies through treading and clamping the foot switch.
Further, the heat treatment device with the U-shaped heat exchange tube adopting the resistance method comprises: further comprising: and an infrared temperature sensor of the infrared thermometer is aligned to the elbow of the U-shaped heat exchange tube fixed by the two tube clamping electrifying units, so that the infrared thermometer can detect the temperature of the elbow of the U-shaped heat exchange tube during heat treatment.
Further, the heat treatment device with the U-shaped heat exchange tube adopting the resistance method comprises: the upper die driving device is an air cylinder, and a guide rod used for guiding the upper die to move up and down is arranged on the mounting seat in a penetrating mode.
Further, the heat treatment device with the U-shaped heat exchange tube adopting the resistance method comprises: positioning grooves are formed in the upper die and the lower die of the two pipe clamping electrifying units, and after the upper die and the lower die are closed, the corresponding two positioning grooves can surround the outer side of the pipe body to position the pipe body.
Further, the heat treatment device with the U-shaped heat exchange tube adopting the resistance method comprises: the power board comprises a main board and an auxiliary board, the main board is fixed with the lower die, the auxiliary board is detachable and fixed with the main board, and the auxiliary board is used for being connected with a cable.
The utility model has the advantages that: u-shaped heat exchange tube resistance method heat treatment facility enable the U-shaped heat exchange tube and insert the power, make the electric current flow through U-shaped heat exchange tube elbow, thereby utilize resistance to generate heat and come to carry out heat treatment to U-shaped heat exchange tube elbow, just so need not the stove in the heating just can carry out heat treatment to U-shaped heat exchange tube elbow, and is simple and convenient, and compare in heat treatment furnace, foretell U-shaped heat exchange tube resistance method heat treatment facility equipment is with low costs, the maintenance cost is low, area is little, can adapt to the heat treatment of the U-shaped heat exchange tube of different specifications, thereby can greatly reduced manufacturing cost, practice thrift the place.
Drawings
Fig. 1 is a schematic perspective view of a resistance heat treatment apparatus with U-shaped heat exchange tubes according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
As shown in fig. 1, the resistance heat treatment device for the U-shaped heat exchange tube comprises: frame 1, the left and right sides in frame 1 is provided with a mutual disposition respectively presss from both sides pipe circular telegram unit 2, and two structures that press from both sides pipe circular telegram unit 2 all include: the mounting base 21 is provided with a lower die 22, an upper die 23 and an upper die driving device 24 capable of driving the upper die 23 to move up and down and to be matched with the lower die 22, in the embodiment, the upper die driving device 24 is an air cylinder, and a guide rod 241 for guiding the upper die 23 to move up and down is further arranged on the mounting base 21 in a penetrating manner; the lower die 22 and the upper die 23 are respectively installed with the installation seat 21 in an insulation way through an insulation block 25, the straight tube section of the U-shaped heat exchange tube 9 can be clamped after the upper die 23 and the lower die 22 are folded, and the lower die 22 is also provided with an electric connection plate 3 for connecting a cable; after the U-shaped heat exchange tube 9 is placed between the two tube clamping electrifying units 2, the two tube clamping electrifying units 2 can clamp the U-shaped heat exchange tube 9 through the straight tube sections of the U-shaped heat exchange tube 9 on the corresponding side, after the fixed U-shaped heat exchange tube 9 is connected with the positive and negative electricity at the two lower dies 22, one lower die 22 is connected with the positive electricity, the other lower die 22 is connected with the negative electricity, the current can be conducted at the elbow of the U-shaped heat exchange tube 9, the elbow of the U-shaped heat exchange tube generates heat due to the resistance, and therefore heat treatment is conducted on the elbow of the U-shaped heat exchange tube.
In this embodiment, the method further includes: the support frame 4 is used for supporting the straight tube sections of the U-shaped heat exchange tube 9, an insulating layer 41 is coated on the surface, in contact with the straight tube sections of the U-shaped heat exchange tube 9, of the support frame 4, and after the U-shaped heat exchange tube 9 is fixed by the two tube clamping power-on units 2, the two straight tube sections on the U-shaped heat exchange tube 9 can be supported through the support frame 4.
In this embodiment, the frame 1 is further provided with two left and right driving devices corresponding to the two tube clamping energization units 2 one by one, and the left and right driving devices have a structure including: the pipe clamping and electrifying device comprises a lead screw 5 arranged on a rack 1, wherein the outer end of the lead screw 5 is provided with a hand wheel 51 used for driving the lead screw 5 to rotate, the lead screw 5 is in threaded connection with a nut block 52 fixed with a mounting seat 21 in a pipe clamping and electrifying unit 2, a guide mechanism capable of guiding the nut block 52 left and right is arranged between the nut block 52 and the rack 1, in the embodiment, the guide mechanism is two transverse rods 53 arranged on the rack 1 in the left and right directions, and the two transverse rods 53 respectively penetrate through the two nut blocks 52; the hand wheel 51 drives the screw rod 5 to rotate, and then the nut block 52 can drive the pipe clamping electrifying unit 2 to move left and right, so that the distance between the two pipe clamping electrifying units 2 can be adjusted. The arrangement is to adapt to U-shaped heat exchange tubes with different bending radiuses.
In this embodiment, the method further includes: the device comprises a controller 6 for controlling the connection or disconnection of the two upper die driving devices 24 and positive and negative electricity, a power supply foot switch 61 and a clamping foot switch 62, wherein the two foot switches are in communication connection with the controller 6, and the two lower dies 22 can be connected with the positive and negative electricity or disconnected with the positive and negative electricity by stepping on the power supply foot switch 61; the U-shaped heat exchange tube 9 can be clamped or loosened by the two groups of upper and lower dies 23 and 22 through treading and clamping the foot switch 62.
In this embodiment, the method further includes: the infrared temperature measuring instrument 7, the infrared temperature sensor 71 of the infrared temperature measuring instrument 7 aims at the elbow of the U-shaped heat exchange tube 9 fixed by the two tube clamping electrifying units 2, so that the infrared temperature measuring instrument 7 can detect the temperature of the elbow of the U-shaped heat exchange tube 9 during heat treatment.
In this embodiment, the upper die 23 and the lower die 22 of the two tube clamping and energizing units 2 are both provided with positioning grooves 26, and after the upper die 23 and the lower die 22 are closed, the two corresponding positioning grooves 26 can surround the outer side of the tube body to position the tube body.
In this embodiment, the power connection board 3 is composed of a main board 31 and a sub-board 32, the main board 31 is fixed to the lower mold 22, the sub-board 32 is detachably fixed to the main board 31, and the sub-board 32 is used for connecting to a cable. This is provided to facilitate removal and installation of the device.
When the heat exchanger works, a worker places the U-shaped heat exchange tube 9 between the two tube clamping power-on units 2, then steps on the clamping foot switch 62 to enable the two tube clamping power-on units 2 to clamp and fix the U-shaped heat exchange tube 9, and a straight tube section of the U-shaped heat exchange tube 9 is placed on the support frame 4 to prevent the straight tube section of the U-shaped heat exchange tube 9 from falling down; then, a worker steps on the power pedal switch 61 to enable one lower die 22 to be connected with positive electricity and the other lower die 22 to be connected with negative electricity, current is conducted at the elbow of the U-shaped heat exchange tube 9, so that the elbow of the U-shaped heat exchange tube 9 generates heat due to the existence of resistance, the elbow of the U-shaped heat exchange tube 9 can be subjected to heat treatment, the worker can know the heating temperature of the elbow of the U-shaped heat exchange tube 9 through the infrared thermometer 7, after the heat treatment is finished, the worker firstly steps on the power pedal switch 61 to enable the two lower dies 22 to be powered off, then the worker steps on the clamping pedal switch 62 to enable the two tube clamping electrifying units 2 to loosen the U-shaped heat exchange tube 9, and then the worker takes the U-.
Claims (8)
- A resistance heat treatment device with a U-shaped heat exchange tube, comprising: the frame, its characterized in that: the left and right sides in the frame is provided with a mutual disposition respectively and presss from both sides a tub circular telegram unit, and two structures that press from both sides tub circular telegram unit all include: the lower die and the upper die are respectively installed with the installation seat in an insulation way through an insulation block, the straight pipe section of the U-shaped heat exchange pipe can be clamped after the upper die and the lower die are closed, and the lower die is also provided with an electric connection plate used for being connected with a cable; after the U-shaped heat exchange tube is placed between the two tube clamping power-on units, the two tube clamping power-on units can clamp the U-shaped heat exchange tube through the straight tube sections of the U-shaped heat exchange tube on the corresponding side, after the fixed U-shaped heat exchange tube is connected with the positive and negative electricity at the two lower dies, the current can be conducted at the elbow of the U-shaped heat exchange tube, so that the elbow of the U-shaped heat exchange tube generates heat due to the resistance, and the heat treatment is carried out on the elbow of the U-shaped heat exchange tube.
- 2. The resistance heat treatment device with the U-shaped heat exchange tube according to claim 1, wherein: further comprising: the support frame is used for supporting the U-shaped heat exchange tube straight tube section, an insulating layer is coated on the surface of the support frame, which is in contact with the U-shaped heat exchange tube straight tube section, and after the U-shaped heat exchange tube is fixed by the two tube clamping power-on units, the two straight tube sections on the U-shaped heat exchange tube can be supported through the support frame.
- 3. The resistance heat treatment device with the U-shaped heat exchange tube according to claim 1 or 2, wherein: still be provided with two drive arrangement about with two clamp pipe circular telegram units one-to-one in the frame respectively, drive arrangement's structure includes about: the lead screw is installed on the rack, a hand wheel used for driving the lead screw to rotate is arranged at the outer end of the lead screw, a nut block fixed with a mounting seat in the pipe clamping and electrifying unit is connected to the lead screw in a threaded mode, a guide mechanism capable of guiding the nut block left and right is arranged between the nut block and the rack, the nut block can drive the pipe clamping and electrifying unit to move left and right after the lead screw is driven to rotate by the hand wheel, and therefore the distance between the two pipe clamping and electrifying units can be adjusted.
- 4. The resistance heat treatment device with the U-shaped heat exchange tube according to claim 1 or 2, wherein: further comprising: the device comprises a controller, a power supply foot switch and a clamping foot switch, wherein the controller is used for controlling the connection or disconnection of two upper die driving devices and positive and negative electricity; the U-shaped heat exchange tube can be clamped or loosened by the two groups of upper and lower dies through treading and clamping the foot switch.
- 5. The resistance heat treatment device with the U-shaped heat exchange tube according to claim 1 or 2, wherein: further comprising: and an infrared temperature sensor of the infrared thermometer is aligned to the elbow of the U-shaped heat exchange tube fixed by the two tube clamping electrifying units, so that the infrared thermometer can detect the temperature of the elbow of the U-shaped heat exchange tube during heat treatment.
- 6. The resistance heat treatment device with the U-shaped heat exchange tube according to claim 1 or 2, wherein: the upper die driving device is an air cylinder, and a guide rod used for guiding the upper die to move up and down is arranged on the mounting seat in a penetrating mode.
- 7. The resistance heat treatment device with the U-shaped heat exchange tube according to claim 1 or 2, wherein: positioning grooves are formed in the upper die and the lower die of the two pipe clamping electrifying units, and after the upper die and the lower die are closed, the corresponding two positioning grooves can surround the outer side of the pipe body to position the pipe body.
- 8. The resistance heat treatment device with the U-shaped heat exchange tube according to claim 1 or 2, wherein: the power board comprises a main board and an auxiliary board, the main board is fixed with the lower die, the auxiliary board is detachable and fixed with the main board, and the auxiliary board is used for being connected with a cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476304.XU CN210596153U (en) | 2019-09-06 | 2019-09-06 | Resistance heat treatment device for U-shaped heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921476304.XU CN210596153U (en) | 2019-09-06 | 2019-09-06 | Resistance heat treatment device for U-shaped heat exchange tube |
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| Publication Number | Publication Date |
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| CN210596153U true CN210596153U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921476304.XU Active CN210596153U (en) | 2019-09-06 | 2019-09-06 | Resistance heat treatment device for U-shaped heat exchange tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527799A (en) * | 2019-09-06 | 2019-12-03 | 张家港市昆仑管业有限公司 | A kind of U-shaped heat exchanger tube electric-resistivity method annealing device |
-
2019
- 2019-09-06 CN CN201921476304.XU patent/CN210596153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527799A (en) * | 2019-09-06 | 2019-12-03 | 张家港市昆仑管业有限公司 | A kind of U-shaped heat exchanger tube electric-resistivity method annealing device |
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