CN210928039U - Device for quickly assembling and disassembling hammer rod - Google Patents
Device for quickly assembling and disassembling hammer rod Download PDFInfo
- Publication number
- CN210928039U CN210928039U CN201920480623.1U CN201920480623U CN210928039U CN 210928039 U CN210928039 U CN 210928039U CN 201920480623 U CN201920480623 U CN 201920480623U CN 210928039 U CN210928039 U CN 210928039U
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- heating
- induction coil
- culvert
- hammer rod
- hammer
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Abstract
The utility model relates to a tooling equipment technical field especially relates to a device for hammer stem fast loading and unloading, and it includes support, induction coil, intermediate frequency power supply, induction coil set up in the top of support, induction coil with the intermediate frequency power supply electricity is connected, be provided with blanking hole in the middle of the upper surface of support, induction coil is provided with the shell with its complete cladding, the columniform heating that link up from top to bottom is contained in the centre of shell, the heating contain with induction coil is coaxial, blanking hole with the heating is contained coaxially. The device need not to adopt machining to cracked hammer stem, only needs just can take out cracked hammer stem to the piston once heating, then continues the heating, just can install new piston rod, easy operation, and the process is few, need not transition, need not occupy too much equipment resource, and is few with the time, uses manpower sparingly and the energy.
Description
Technical Field
The utility model relates to a tooling equipment technical field especially relates to a device for hammer stem fast loading and unloading.
Background
The hammer rod of the air hammer is often broken in the production process, so that the embedded part of the hammer rod and the piston is clamped, the piston is firstly put into a heating furnace to be preheated for 5-6 hours, then heated to 650 ℃, and then kept warm for 2 hours in the traditional mode of replacing the hammer rod, and the broken hammer rod is knocked out by a heavy object after the volume of the piston expands. The method is characterized in that the hammer rod is heated in the same way when the piston is heated, so that the hammer rod expands in the same way, the hammer rod cannot be taken out, the hammer rod needs to be emptied in a lathe after the piston is cooled, then the hammer rod is taken out by knocking with a heavy object, and finally the piston is put into a heating furnace to be heated again, so that a new hammer rod can be installed. The process is tedious, consumes time and energy, and occupies manpower and equipment resources.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, and provide a device for hammer stem fast loading and unloading, it need not to empty the hammer stem, only with once just can take out cracked hammer stem to the piston heating to install new hammer stem.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a device for hammer stem fast loading and unloading, includes support, induction coil, intermediate frequency power supply, induction coil set up in the top of support, induction coil with the intermediate frequency power supply electricity is connected, be provided with blanking hole in the middle of the upper surface of support, induction coil is provided with the shell with its complete cladding, the columniform heating that link up from top to bottom is contained in the middle of the shell, the heating contain with induction coil is coaxial, blanking hole with the heating is contained coaxially.
Furthermore, the blanking hole is circular, and the diameter of the blanking hole is smaller than that of the heating culvert.
Further, the diameter of the blanking hole is larger than that of the hammer rod.
Further, the hole wall of the heating culvert is made of a high-temperature-resistant non-magnetic material.
Further, the gap between the hole wall of the heating culvert and the induction coil is 2-3 mm.
The utility model has the advantages that: the utility model provides a device for hammer stem fast loading and unloading, its includes support, induction coil, intermediate frequency power supply, induction coil set up in the top of support, induction coil with the intermediate frequency power supply electricity is connected, be provided with blanking hole in the middle of the upper surface of support, induction coil is provided with the shell with its complete cladding, the columniform heating that link up from top to bottom is contained in the middle of the shell, the heating contain with induction coil is coaxial, blanking hole with the heating is contained coaxially. The device need not to adopt machining to cracked hammer stem, only needs just can take out cracked hammer stem to the piston once heating, then continues the heating, just can install new piston rod, easy operation, and the process is few, need not transition, need not occupy too much equipment resource, and is few with the time, uses manpower sparingly and the energy.
Drawings
FIG. 1 is a schematic structural view of a device for quickly assembling and disassembling a hammer rod according to the present invention;
fig. 2 is a top view of fig. 1.
Description of reference numerals:
1-support, 2-induction coil, 3-intermediate frequency power supply, 4-blanking hole, 5-shell and 6-heating culvert.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the device for quickly mounting and dismounting the hammer rod of the embodiment includes a support 1, an induction coil 2 and a medium frequency power supply 3, wherein the induction coil 2 is disposed above the support 1, the induction coil 2 is electrically connected with the medium frequency power supply 3, a blanking hole 4 is disposed in the middle of the upper surface of the support 1, the induction coil 2 is provided with a casing 5 which completely covers the induction coil 2, a cylindrical heating culvert 6 which is through from top to bottom is disposed in the middle of the casing 5, the heating culvert 6 is coaxial with the induction coil 2, and the blanking hole 4 is coaxial with the heating culvert 6. The housing 5 may or may not be fixed to the support 1, and the induction coil 2 is a vertical coil, which may be a set of spirally wound circular coils, and when it is coupled to the 500KW medium frequency power supply 3, it may heat the piston to 650 ℃ in 30 minutes.
The utility model utilizes the heating principle of the medium-frequency induction coil, namely when the medium-frequency alternating current is introduced into the induction coil, an alternating magnetic field can be generated, and further induced current with the same frequency is generated in a workpiece in the middle of the induction coil, and the induced current is non-uniform in distribution of the workpiece, strong in surface, weak in the inner part and close to 0 in the center part; in this way, when the piston with the broken shank is placed in the heating channel 6, the piston is heated, while the broken shank is not.
The shell 5 and the induction coil 2 are isolated by insulation, and the shell 5 isolates the induction coil 2 to prevent radiation, electric shock and other injuries; the gap between the hole wall of the heating culvert 6 and the induction coil 2 is 2-3mm, and the diameter of the heating culvert 6 is larger than the outer diameter of the piston so as to be convenient for placing the piston.
The blanking hole 4 is circular, the diameter of the blanking hole 4 is smaller than that of the heating culvert 6, and the diameter of the blanking hole 4 is larger than that of the hammer rod. When the piston is put into the heating culvert 6, the upper surface of the support 1 can play a supporting role, and the broken hammer rod which is taken down can fall from the blanking hole 4.
The hole wall of the heating culvert 6 is made of a high-temperature-resistant non-magnetic material, so that induction current can be prevented from being generated on the hole wall of the heating culvert 6, and meanwhile, the hole wall of the heating culvert 6 is prevented from being melted and deformed at high temperature.
When the device is used, a piston with a broken hammer rod is flatly placed in the heating culvert 6, a power supply is connected, the piston is heated by the induction coil 2 to be expanded, even if the aperture of an inner hole of the piston is increased and the broken hammer rod is not heated, the broken hammer rod can be easily taken out after the broken hammer rod is knocked after about 12 minutes; and (3) continuing heating the piston, detecting the temperature of the piston by using an infrared thermometer, after about 30 minutes, putting a new hammer rod into the inner hole of the piston when the temperature of the piston reaches 650 ℃, turning off a power supply, and after the piston is cooled, installing the hammer rod.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides a device that is used for hammer stem fast loading and unloading which characterized in that: the induction coil (2) is arranged above the bracket (1), and the induction coil (2) is electrically connected with the intermediate frequency power supply (3);
the heating device is characterized in that a blanking hole (4) is formed in the middle of the upper surface of the support (1), the induction coil (2) is provided with a shell (5) which is completely coated with the induction coil, a cylindrical heating culvert (6) which is communicated from top to bottom is formed in the middle of the shell (5), the heating culvert (6) is coaxial with the induction coil (2), and the blanking hole (4) is coaxial with the heating culvert (6).
2. A device for the rapid attachment and detachment of a hammer rod according to claim 1, wherein: the blanking holes (4) are circular, and the diameter of the blanking holes (4) is smaller than that of the heating culvert (6).
3. A device for the rapid attachment and detachment of a hammer rod according to claim 1, wherein: the diameter of the blanking hole (4) is larger than that of the hammer rod.
4. A device for the rapid attachment and detachment of a hammer rod according to claim 1, wherein: the hole wall of the heating culvert (6) is made of high-temperature-resistant non-magnetic material.
5. A device for the rapid attachment and detachment of a hammer rod according to claim 1, wherein: the gap between the hole wall of the heating culvert (6) and the induction coil (2) is 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480623.1U CN210928039U (en) | 2019-04-11 | 2019-04-11 | Device for quickly assembling and disassembling hammer rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480623.1U CN210928039U (en) | 2019-04-11 | 2019-04-11 | Device for quickly assembling and disassembling hammer rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210928039U true CN210928039U (en) | 2020-07-03 |
Family
ID=71347148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920480623.1U Active CN210928039U (en) | 2019-04-11 | 2019-04-11 | Device for quickly assembling and disassembling hammer rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210928039U (en) |
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2019
- 2019-04-11 CN CN201920480623.1U patent/CN210928039U/en active Active
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