A kind of tungsten steel bar cross grinding clamping device for cutter production
Technical field
The utility model relates to mechanical equipment technical field, specially a kind of tungsten steel bar end face mill for cutter production
Cut clamping device.
Background technique
It during the end face of tungsten steel bar is ground, needs to step up tungsten steel bar with device, to guarantee
The flatness of bar section.
In existing grips device, mandril is completely in the inside of hollow shaft, and mandril ejects tungsten steel bar and stretches out lock
The length inconvenience of mouth is adjusted, and needs to replace mandril again when the length of tungsten steel bar changes greatly, and adjustable range is smaller, locks mouth to tungsten
When steel bar is clamped, each end face requires to carry out lock mouth using tool elastic, it has not been convenient to operation.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of tungsten steel bar cross grinding for cutter production
Clamping device, having mandril can easily be accommodated, locks the advantages that mouth is convenient for clamping, and the length for solving mandril ejection tungsten steel bar is inconvenient
It adjusts, needs to replace mandril when the length of tungsten steel bar changes greatly again, and end face is required using tool to lock mouth every time
It carries out elastic, it has not been convenient to the problem of operation.
The utility model provides the following technical solutions: a kind of tungsten steel bar cross grinding clamping dress for cutter production
It sets, is successively fixedly mounted on the support base and motor of base top, the middle part of the support base including pedestal and from left to right
It is rotatably connected to hollow shaft by bearing, the side that the support base is located on the outside of hollow shaft is fixedly installed with loosening mechanism, institute
The one end for stating hollow shaft is fixedly attached restraining position ring block, and the hollow shaft is fixedly installed with lock mouth close to the side of stop collar, described
One end movable sleeve of lock mouth, which is connected on the outer wall of middle part, is provided with the jacking mechanism of annular retaining ring, and one end of jacking mechanism with it is hollow
Outer wall pivot bush unit in the middle part of axis, the hollow shaft are fixedly installed with driven pulley close to one end of motor, and the hollow shaft is leaned on
One end of nearly motor is fixedly installed with driven pulley, and the hollow shaft is threaded with plug screw close to the side of driven pulley, institute
State the mandril being threaded with inside hollow shaft in the middle part of plug screw, be fixedly installed on the output shaft of the motor be located at from
The driving pulley at the movable belt pulley back side.
Preferably, the loosening mechanism includes the stop sleeve that top is fixedly connected with fixed link, the stop sleeve
Side is fixedly connected with the side of support base, and movable sleeve is connected to the handled set of top setting on the outer wall of the stop sleeve
Cylinder, and the side of sleeve is set as splay end, the side of the sleeve is fixedly connected with spring, the side of the spring and fixed link
It is fixedly connected, the side of the sleeve is sequentially connected by the side of spring and fixed link.
Preferably, boss compatible with the splay end of sleeve is provided on the outer wall of the stop sleeve.
Preferably, the front of the lock mouth offers cross type groove.
Preferably, the jacking mechanism includes top cover, limit sleeve and pressure spring, the middle part of the top cover and the outer wall of hollow shaft
Pivot bush unit, the side of the limit sleeve and one end pivot bush unit of lock mouth, and the side spiral shell of the other side of limit sleeve and top cover
The side of line connection, the top cover is sequentially connected by the side of the pressure spring and stop collar that are sleeved on hollow shaft outer wall.
The utility model have it is following the utility model has the advantages that
1, the tungsten steel bar cross grinding clamping device for being used for cutter production, passes through hollow shaft, stop collar, top cover and pressure
Spring is used cooperatively, so that limit sleeve can carry out Automatic-clamping to lock mouth, while using stop sleeve, handle and spring, so that
Sleeve can be rotated around stop sleeve is detached from jacking mechanism by the way that annular retaining ring generation is mobile with lock mouth, and completion is to lock mouth
It loosens, convenient working.
2, the tungsten steel bar cross grinding clamping device for being used for cutter production, by being used cooperatively for plug screw and nut,
So that mandril is adjusted tungsten steel bar and protrudes into the length inside hollow shaft, and then realizes and lock mouth inner length is protruded into tungsten steel bar
Adjusting.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the schematic diagram of the utility model loosening mechanism;
Fig. 3 is the side schematic view that the utility model locks mouth.
In figure: 1, pedestal;2, support base;3, motor;4, hollow shaft;5, loosening mechanism;51, stop sleeve;52, sleeve;
53, spring;6, stop collar;7, mouth is locked;8, jacking mechanism;81, top cover;82, limit sleeve;83, pressure spring;9, driven pulley;10, spiral shell
Plug;11, mandril;12, driving pulley.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, it is a kind of for cutter production tungsten steel bar cross grinding clamping device, including pedestal 1 and from
Left-to-right is successively fixedly mounted on the support base 2 and motor 3 at 1 top of pedestal, and the middle part of support base 2 is rotatably connected to by bearing
Hollow shaft 4, the side that support base 2 is located at 4 outside of hollow shaft are fixedly installed with loosening mechanism 5, and one end of hollow shaft 4 is fixedly attached
Restraining position ring block 6, hollow shaft 4 are fixedly installed with lock mouth 7 close to the side of stop collar 6, and it is outer that one end movable sleeve of lock mouth 7 is connected to middle part
The jacking mechanism 8 of annular retaining ring, and the outer wall pivot bush unit at 4 middle part of one end of jacking mechanism 8 and hollow shaft are provided on wall, it is empty
Mandrel 4 is fixedly installed with driven pulley 9 close to one end of motor 3, and hollow shaft 4 is threaded with close to the side of driven pulley 9
Plug screw 10, the middle part of plug screw 10 are threaded with the mandril 11 inside hollow shaft 4, are fixedly mounted on the output shaft of motor 3
There is the driving pulley 12 positioned at 9 back side of driven pulley;
As depicted in figs. 1 and 2, wherein loosening mechanism 5 includes the stop sleeve 51 that top is fixedly connected with fixed link, branch
The side of support set cylinder 51 is fixedly connected with the side of support base 2, and movable sleeve is connected to top and is provided on the outer wall of stop sleeve 51
The sleeve 52 of handle, and the side of sleeve 52 is set as splay end, the side of sleeve 52 are fixedly connected with spring 53, and the one of spring 53
Side is fixedly connected with fixed link, and the side of sleeve 52 is sequentially connected by the side of spring 53 and fixed link, passes through stop sleeve
51, sleeve 52 and spring 53 are used cooperatively, so that sleeve 52 completes the movement to jacking mechanism 8, and energy while rotation
It enough automatically resets, guarantees that sleeve 52 will not be detached from from stop sleeve 51;
Wherein, it is provided with boss compatible with the splay end of sleeve 52 on the outer wall of stop sleeve 51, is made using boss
Stop sleeve 51 can move while rotation, and 82 pairs of lock mouths 7 of limit sleeve is facilitated to loosen;
As shown in Figure 3, wherein the front of lock mouth 7 offers cross type groove, can be achieved using cross to tungsten steel bar
It clamps and loosens;
As shown in Figure 1, wherein jacking mechanism 8 includes top cover 81, limit sleeve 82 and pressure spring 83, middle part and the sky of top cover 81
The outer wall pivot bush unit of mandrel 4, one end pivot bush unit of the side of limit sleeve 82 and lock mouth 7, and the other side of limit sleeve 82 with
The side of top cover 81 is threadedly coupled, and the side of top cover 81 passes through the one of the pressure spring 83 and stop collar 6 that are sleeved on 4 outer wall of hollow shaft
Side transmission connection, using being used cooperatively for top cover 81, stop collar 6 and pressure spring 83, enables limit sleeve 82 to be automatically performed to lock
The clamping of mouth 7, convenient working.
When processing wolfram steel stick, the handle pulled with hand on sleeve 52 is rotated about stop sleeve 51, sleeve 52
Side is contacted with the annular retaining ring on jacking mechanism 8, is kept limit sleeve 82 mobile, the loosening to lock mouth 7 is completed, by tungsten steel bar
One end is protruded into lock mouth 7, adjusts the length that tungsten steel bar stretches out lock mouth 7 by the nut adjusted on mandril 11, hand is from handle
It unclamps, limit sleeve 82 is set back by the elastic force of the pressure spring 83 in hollow shaft 4, completes the folder to tungsten steel bar in lock mouth 7
Tightly, start motor 3, motor 3 drives driven pulley 9 and hollow shaft 4 to rotate together, makes wolfram steel by the belt on driving pulley 12
Bar rotation.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.