CN219348160U - Rotary mandrel running-in device - Google Patents
Rotary mandrel running-in device Download PDFInfo
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- CN219348160U CN219348160U CN202320557393.0U CN202320557393U CN219348160U CN 219348160 U CN219348160 U CN 219348160U CN 202320557393 U CN202320557393 U CN 202320557393U CN 219348160 U CN219348160 U CN 219348160U
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- rotary mandrel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses a rotary mandrel running-in device which comprises a driving mechanism and a running-in mechanism, wherein the driving mechanism comprises a motor, a first belt pulley and a second belt pulley, the output end of the motor is connected with the second belt pulley through the first belt pulley and a belt, the running-in mechanism comprises two running-in units which are opposite and coaxially arranged, each running-in unit comprises a running-in base, a bushing and an end cover, the inner side of the bushing is a containing cavity for containing a rotary mandrel assembly, the running-in base is sleeved on the outer side of the bushing, side top screws are arranged on the side walls of the running-in base and the bushing in a penetrating manner, the end cover is fixed at the tail end of the running-in base through the screws, and one running-in unit is provided with a top tightening mechanism. The device can simultaneously carry out running-in of two sets of rotary mandrel assemblies, has high running-in efficiency, is light and convenient, is simple and reliable to operate, has high clamping efficiency on the rotary mandrel assemblies, can meet various requirements of load running-in of the rotary mandrel assemblies, is adjustable in axial and radial loads, has strong universality, and is suitable for various numerical control car models.
Description
Technical Field
The utility model relates to a running-in device, in particular to a rotary mandrel running-in device.
Background
The rotary mandrel is an important component part of a rotary numerical control machine tool for propping against and supporting a workpiece. The rotary mandrel assembly needs to run in at a high speed with load, the workpiece on the machine tool is simulated to be propped against and rotated, the load requirements of the rotary mandrel assemblies of different models are different, and the running-in device needs to be capable of adjusting and controlling the load. In the prior art, a hydraulic driving mode is generally adopted to drive the rotary mandrel, so that the load cannot be effectively controlled and regulated, and the running-in efficiency is low.
Disclosure of Invention
The utility model aims to solve the technical problems of the prior art, and provides the rotary mandrel running-in device which can simultaneously run in two sets of rotary mandrel assemblies with the same model, has high running-in efficiency, adjustable axial and radial loads and strong universality, and is suitable for various numerical control car models.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a rotary mandrel running-in device, includes actuating mechanism and running-in mechanism, actuating mechanism include motor, first belt pulley and second belt pulley, the output of motor pass through first belt pulley and belt with second belt pulley connection, running-in mechanism include two running-in units that face to and coaxial setting, every running-in unit include running-in base, inlay and end cover, the inboard of inlay for the holding chamber that is used for holding rotary mandrel subassembly, the running-in base cover establish the outside of inlay, the running-in base with the lateral wall of inlay on wear and be equipped with side roof screw, side roof screw and rotary mandrel subassembly on the keyway looks adaptation, the end cover pass through the screw fixation and be in the tail end of running-in base, one of them running-in unit on be provided with top tight force adjustable top tight mechanism, top tight mechanism be used for axial top the mandrel subassembly that this top in the cover of unit, two the bottom plate of inlay be used for holding rotary mandrel subassembly, two the top mandrel subassembly that the top mandrel subassembly is used for the same on the top plate is corresponding to the two mandrel subassembly and is worn to the top mandrel subassembly when the top mandrel subassembly is worn into with two sides, one of mandrel subassembly and two mandrel assemblies are worn into respectively, one mandrel assembly is worn to the top mandrel assembly and two mandrel assembly is worn to the top mandrel assembly and is connected.
The two running-in units of the running-in device for the rotary mandrel adopt a symmetrical design, and running-in of two sets of rotary mandrel assemblies with the same model can be simultaneously carried out, so that the running-in efficiency of the rotary mandrel is improved. The running-in device axially pushes up the rotary mandrel assembly arranged in one running-in unit through the pushing-up mechanism, so that the axial pushing-up force of the two sets of rotary mandrel assemblies is consistent. The running-in device can meet various requirements of load running-in of the rotary mandrel assembly, axial load can be adjusted through the jacking mechanism, and radial load can be adjusted through adjusting the tensioning force of the belt pulley.
The running-in device of the rotary mandrel is high in universality, is suitable for various numerical control car models, and can perform corresponding operation only by replacing a proper insert sleeve and an end cover according to the specification of the rotary mandrel assembly when running on other types of rotary mandrel assemblies is needed.
Preferably, the jacking mechanism comprises a push rod, a first rectangular spring, a gasket and a second rectangular spring, the push rod comprises a wide diameter section and a narrow diameter section, the wide diameter section is in threaded connection with one end cover on the running-in unit, a positioning hole is formed in the axial direction of a bushing of the running-in unit, the front end of the narrow diameter section stretches into the positioning hole, the first rectangular spring, the gasket and the second rectangular spring are sequentially sleeved on the narrow diameter section, and the second rectangular spring is propped against the tail end face of the bushing of the running-in unit. The jacking mechanism can realize elastic jacking of the rotary mandrel assembly. The compression amount of the first rectangular spring and the second rectangular spring can be adjusted through rotating the ejector rod, and then the jacking force of the rotary mandrel assembly is adjusted, so that the operation is convenient.
Further, the tail end of the wide-diameter section is provided with an inner hexagonal screw for connecting an inner hexagonal wrench. The inner hexagonal spanner applies force to the inner hexagonal screw, so that the ejector rod is convenient to rotate and adjust.
Preferably, the motor is mounted on the motor base through screws, the motor base is arranged on one side of the running-in mechanism, a plurality of side jacking blocks are connected to the side surface of the motor base through screws, each side jacking block is transversely provided with an inner hexagonal cylindrical head screw, the inner hexagonal cylindrical head screw is abutted against the side surface of the motor base, and the inner hexagonal cylindrical head screws on the plurality of side jacking blocks are used for adjusting the parallelism of the motor and the rotary mandrel assembly, so that the belt is free from slipping in the running process.
Further, the number of the side jacking blocks is four, and the front side surface and the rear side surface of the motor base are respectively connected with two side jacking blocks.
Preferably, a temperature measuring hole is reserved on the side wall of the running-in base, and the temperature measuring hole is used for installing a temperature measuring joint. The temperature measuring probe is matched with the conventional PLC control, so that temperature rise running-in under different rotating speeds can be realized, the running-in device is controlled to automatically change speed after the temperature rise conditions are met, and next-gear temperature measurement running-in is implemented.
Compared with the prior art, the utility model has the following advantages: the running-in device for the rotary mandrel can simultaneously run in two sets of rotary mandrel assemblies with the same model, has high running-in efficiency, is light and convenient, is simple and reliable to operate, has high clamping efficiency on the rotary mandrel assemblies, can meet various requirements of load running-in of the rotary mandrel assemblies, has adjustable axial and radial loads, has strong universality, and is suitable for various numerical control car models.
Drawings
FIG. 1 is a schematic view showing the appearance of a running-in device of a rotary mandrel in an embodiment;
FIG. 2 is a schematic sectional view (top view) showing a running-in device of a rotary mandrel in an embodiment;
fig. 3 is an enlarged view at a in fig. 2.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
The rotary mandrel running-in device of the embodiment, as shown in fig. 1-3, the device comprises a driving mechanism and a running-in mechanism, the driving mechanism comprises a motor 1, a first belt pulley 11 and a second belt pulley 12, the output end of the motor 1 is connected with the second belt pulley 12 through the first belt pulley 11 and a belt 13, the running-in mechanism comprises two running-in units which are opposite and coaxially arranged, each running-in unit comprises a running-in base 2, a bushing 21 and an end cover 22, the inner side of the bushing 21 is a containing cavity 23 for containing a rotary mandrel assembly 4, a temperature measuring hole 24 is reserved on the side wall of the running-in base 2, the temperature measuring hole 24 is used for installing a temperature measuring joint, the running-in base 2 is sleeved on the outer side of the bushing 21, side top screws 25 are arranged on the side walls of the running-in base 2 and the bushing 21 in a penetrating manner, the side top screws 25 are matched with key grooves 41 on the rotary mandrel assembly 4, the end cover 22 is fixed on the tail end of the running-in base 2 through screws, a top tightening mechanism with adjustable in the top tightening force is arranged on one running-in unit, the inner side of the running-in unit is used for axially propping up the containing cavity 23 of the rotary mandrel assembly of the running-in unit, and the two bottom plates are fixed on the same base 2.
In this embodiment, the motor 1 is mounted on the motor base 14 through a screw, the motor base 14 is disposed on one side of the running-in mechanism, four side top blocks 15 are connected to the side surface of the motor base 14 through screws, two side top blocks 15 are respectively connected to the front side surface and the rear side surface of the motor base 14, an inner hexagonal cylindrical head screw 16 is transversely arranged on each side top block 15, the inner hexagonal cylindrical head screw 16 abuts against the side surface of the motor base 14, and the inner hexagonal cylindrical head screws 16 on the four side top blocks 15 are used for adjusting the parallelism of the motor 1 and the rotary mandrel assembly 4.
In this embodiment, the propping mechanism includes a push rod 31, a first rectangular spring 32, a spacer 33 and a second rectangular spring 34, where the push rod 31 includes a wide diameter section 35 and a narrow diameter section 36, the wide diameter section 35 is in threaded connection with the end cover 22 on one of the running units, the tail end of the wide diameter section 35 is provided with an inner hexagonal screw 37 for connecting with an inner hexagonal wrench, the axial direction of the insert 21 of the running unit is provided with a positioning hole 27, the front end of the narrow diameter section 36 extends into the positioning hole 27, the first rectangular spring 32, the spacer 33 and the second rectangular spring 34 are sequentially sleeved on the narrow diameter section 36, and the second rectangular spring 34 abuts against the tail end face of the insert 21 of the running unit.
When the rotary mandrel running-in device is used, the insert sleeves 21 of the two running-in units are respectively provided with one set of rotary mandrel assemblies 4, so that the two sets of rotary mandrel assemblies 4 are respectively close to the end covers 22, then two side top screws 25 respectively penetrate through the corresponding running-in base 2 and the side walls of the insert sleeves 21 and extend into the key grooves 41 on the corresponding rotary mandrel assemblies 4 to limit the rotation of the rotary mandrel assemblies 4, the mandrel 42 of one set of rotary mandrel assemblies 4 is connected with the second belt pulley 12, the mandrel 42 of the other set of rotary mandrel assemblies 4 is connected with the one center 43, and the tip end of the center 43 axially abuts against the second belt pulley 12.
The rotary mandrel running-in device can also run in a set of rotary mandrel components. When the rotary mandrel is used, only the rotary mandrel assembly in one running-in unit is required to be replaced by a fixed workpiece with a corresponding size.
Claims (6)
1. The utility model provides a rotary mandrel running-in device, its characterized in that, includes actuating mechanism and running-in mechanism, actuating mechanism include motor, first belt pulley and second belt pulley, the output of motor pass through first belt pulley and belt with the second belt pulley connection, running-in mechanism include two running-in units that set up in opposite directions and coaxial, every running-in unit include running-in base, bushing and end cover, the inboard of bushing for being used for holding rotary mandrel assembly's holding chamber, running-in base cover establish the outside of bushing, the running-in base with the lateral wall of bushing on wear to have a side top screw, the side top screw with the keyway looks adaptation on the rotary mandrel assembly, the end cover pass through the screw to be fixed the tail end of running-in base, one of them running-in unit on be provided with the top tight mechanism of jacking force adjustable, the top tight mechanism be used for the axial top mandrel assembly that this running-in unit's cover is equipped with, two pivot assemblies that the top mandrel assembly is equipped with in the same top mandrel that the bushing is equipped with, two pivot assemblies are equipped with the top mandrel assembly and two mandrel assemblies are equipped with respectively to the two sides when the mandrel assembly is worn into to the mandrel assembly, one side top mandrel assembly is connected with two top mandrel assembly and two mandrel assemblies are equipped with respectively to the top mandrel assembly.
2. The rotary mandrel running-in device according to claim 1, wherein the tightening mechanism comprises a push rod, a first rectangular spring, a gasket and a second rectangular spring, the push rod comprises a wide diameter section and a narrow diameter section, the wide diameter section is in threaded connection with an end cover on one running-in unit, a positioning hole is formed in the axial direction of a bushing of the running-in unit, the front end of the narrow diameter section stretches into the positioning hole, the first rectangular spring, the gasket and the second rectangular spring are sequentially sleeved on the narrow diameter section, and the second rectangular spring abuts against the tail end face of the bushing of the running-in unit.
3. The rotary mandrel running-in device according to claim 2, wherein the tail end of the wide diameter section is provided with an inner hexagonal screw for connecting an inner hexagonal wrench.
4. A rotary mandrel running-in device according to claim 1, 2 or 3, wherein the motor is mounted on the motor base by screws, the motor base is arranged on one side of the running-in mechanism, a plurality of side jacking blocks are connected on the side surface of the motor base by screws, each side jacking block is transversely provided with an inner hexagonal cylindrical head screw, the inner hexagonal cylindrical head screw is abutted against the side surface of the motor base, and the inner hexagonal cylindrical head screws on the plurality of side jacking blocks are used for adjusting the parallelism of the motor and the rotary mandrel assembly.
5. The running-in device of the rotary mandrel according to claim 4, wherein the number of the side jacking blocks is four, and the front side surface and the rear side surface of the motor base are respectively connected with two side jacking blocks.
6. A rotary mandrel running-in apparatus according to claim 1, 2 or 3, wherein a temperature measuring hole is reserved on the side wall of the running-in base, and the temperature measuring hole is used for installing a temperature measuring joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320557393.0U CN219348160U (en) | 2023-03-15 | 2023-03-15 | Rotary mandrel running-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320557393.0U CN219348160U (en) | 2023-03-15 | 2023-03-15 | Rotary mandrel running-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219348160U true CN219348160U (en) | 2023-07-14 |
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ID=87100817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320557393.0U Active CN219348160U (en) | 2023-03-15 | 2023-03-15 | Rotary mandrel running-in device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219348160U (en) |
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2023
- 2023-03-15 CN CN202320557393.0U patent/CN219348160U/en active Active
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