Left rotation and right rotation formula puncher
Technical field
The present invention relates to a kind of puncher, but especially a kind of puncher of left rotation and right rotation.
Background technology
In recent years, along with the develop rapidly of manufacturing industry such as automobile, steamer and chemical industry, the scope of application of puncher is also more extensive, therefore, how can reduce on the artificial intensity based, and not only fast but also accurate punching becomes a great problem in field for this reason.Domestic colleague has all dropped into human and material resources to the exploitation of the problems referred to above; but not very desirable; it is 45 millimeter that reason is mainly in length, and diameter is approximately the hole of beating the 1-2 millimeter on 9 millimeters copper rods, because the copper rod diameter is less; diameter simultaneously to be punched is also very little; therefore, result that the hole is trained off usually can occur, so not only expend raw material; simultaneously, the efficient of punching is also very low.
Traditional drilling method has the punching of the bench drill of employing, the punching of the lathe of employing is also arranged, though adopting conventional table to creep into the row punching improves a lot than hand drill efficient, but because the impulse force of drill bit is very big, therefore, the hole of getting tends to depart from original position, owing to have only the folk prescription of drill bit to rotation, make that punching speed is slow, because the hole of getting is not very vertical, cause percent defective very high simultaneously; Adopt lathe to hole, because bore rate is slow, it is uneven therefore to tend to exert oneself when boring, and it is poor directly to cause boring to have concentricity.
When punching, tradition is to adopt the form of scroll chuck or frock class to the fixing method of workpiece, yet uses the said fixing method, also wants the secondary centering after clamping workpiece, has wasted the time greatly.
Summary of the invention
Therefore, want that punching speed is fast, precision is high, must develop a kind of new punch device.An object of the present invention is to provide a kind of puncher that can quick and precisely punch, another object of the present invention provides a kind of puncher that the object that is perforated accurately can be engaged.
The invention provides a kind of puncher, be used for to the workpiece punching, it comprises main body, support section and following main body, and support section is connected between main body and the following main body, and last main body comprises upper encloser, and upper encloser is positioned at the periphery of main body; Part is positioned at the perforation of main spindle box, and it comprises main shaft 21, chuck and drill bit, and described main shaft 21 is positioned at described main spindle box, described chuck is positioned at the front end of described main shaft 21, be used for fixing described drill bit, described drill bit is used for alignment pieces punching position, and workpiece is punched; Spanner, it is connected with perforation, is used for perforation is pressed down; Actuating unit 1, it is connected with perforation, for the rotation of perforation provides power;
Following main body comprises work stage, is used to place the workpiece of needs punching; Work stage comprises clamping device, and described clamping device is positioned on the work stage, is used to clamp described workpiece; Main shaft 22 is connected with clamping device on the work stage, and coaxial with described clamping device; Actuating unit 2, it is connected with described main shaft 22, for the running of main shaft 22 provides power; When puncher punched, described perforation was rotated; Simultaneously, described main shaft 22 drives described clamping device and then drives described workpiece and carries out rotating with respect to the contrary direction of described perforation.
Described clamping device preferably adopts six cutting ferrule lockhole modes that workpiece is engaged.
Clamping device comprises chuck, casing and check lock lever, described chuck outside is six, the outside of described chuck and the inside of described casing all have certain tapering, described check lock lever is connected with described chuck, by pressing down check lock lever, drive described chuck and move down, make the tapering self-centering of described chuck and described casing tighten, thereby workpiece is tightened.
Perforation preferably adopts the form at the roughly corresponding clamping device of bit central center of making in the last main body, helps like this being punched in the center of regular workpiece.Certainly, be not difficult to expect, if a large amount of punchings to as if irregular or not when the central punch of workpiece, can be set to movably by perforation, thereby make the position to be punched of drill bit workpiece.
Actuating unit 1 and actuating unit 2 preferably adopt motor that power is provided respectively.
Dynamic structure 1 comprises motor 1, electrode wheel 1, main shaft wheel and V belt 1, described motor 1 is connected with external power source, it drives described electrode wheel motion, and the transmission by described V belt 1 simultaneously makes described main shaft wheel turn round, and then drives described perforation rotation.
Actuating unit 2 comprises motor 2, electrode wheel 2, belt pulley and V belt 2, described motor 2 is connected with external power source, it drives electrode wheel 2 and rotates, and the transmission by described V belt 2 simultaneously makes described belt pulley turn round, and then drives described main shaft 2 rotations.
Support section is preferably the form of column, main body and described down between the main body on described.
Work stage also comprises the work centre hole, and the work centre hole is positioned at the center of described clamping device, and it can reflect at any time that the concentricity of workpiece has no change.
Last main body preferably adopts the hole knockout of bench drill.
Perforation quickens rotation earlier, uniform rotation to the given pace, and clamping device also quickens to rotate to uniform rotation after the given pace earlier by main shaft 22, and the speed of the speed of perforation uniform rotation and clamping device uniform rotation is identical or different.
Clamping device preferably quickens rotation always, and it has a fixing acceleration.
Description of drawings
Fig. 1 is the overall schematic of the embodiment of the invention;
Fig. 2 is a clamping device schematic diagram of the present invention;
Fig. 3 is a front view of the present invention;
Fig. 4 is cardinal principle figure of the present invention.
The specific embodiment
Puncher of the present invention can be applied to every field such as covering shipyard, steel construction, chemical industry, automobile making.
At first, with reference to accompanying drawing 4, accompanying drawing 4 shows cardinal principle of the present invention, and the present invention mainly is by when carrying out punch operation, and last main body relevant portion carries out anticlockwise, and following main body relevant portion carries out right rotation, thereby workpiece is punched fast and accurately.Certainly, the direction of rotation of last main body and following main body is not fixed, as long as make above-mentioned both direction of rotation on the contrary.
With reference to accompanying drawing 1, accompanying drawing 1 shows the overall structure of puncher of the present invention, described puncher comprises main body, column 1 and following main body, and column 1 is as support section of the present invention, be connected between main body and the following main body, be used to support main body, last main body comprises upper encloser 2, and upper encloser 2 is positioned at the periphery of main body, the other parts that it covers main body play the dustproof effect; Part is positioned at the perforation of main spindle box 3, and it comprises main shaft 21, chuck 4 and drill bit, and main shaft 21 is positioned at main spindle box 3, chuck is positioned at the front end of main shaft 21, is used for fixing drill bit, and drill bit is used for alignment pieces punching position, to the workpiece punching, perforation is rotated counterclockwise when punching; Spanner 5 (with reference to accompanying drawing 3), it is connected with perforation, after perforation rotates, by handling spanner 5, perforation is pressed down, thereby workpiece is punched; Actuating unit 1, it is connected with perforation, for perforation provides power; Following main body comprises work stage 6, is used to place the workpiece of needs punching; Work stage comprises clamping device, and clamping device is positioned on the work stage 6, is used for clamping work pieces; Actuating unit 2, it is connected with main shaft 22; Main shaft 22 is connected with clamping device on the work stage 6, and coaxial with clamping device, and actuating unit 2 provides power for the running of main shaft 22, and when punching, main shaft 22 drives clamping devices and workpiece turns clockwise.
Clamping device is used for clamping work pieces when punching for workpiece, it preferably adopts six cutting ferrule locking modes, accompanying drawing 2 shows the structure that the present invention adopts the clamping device of six cutting ferrule locking modes: clamping device comprises chuck 7 and casing 19, chuck 7 outsides have six, it is conical that integral body is, chuck 7 outsides all have certain tapering with casing 19 inside, wherein chuck 7 preferably surrounds certain tapering by its peripheral flexure strip, after workpiece put into chuck 7, press down check lock lever 17, and then chuck 7 moves down with respect to casing, deformation takes place in flexure strip in casing 19 along with pressing down of check lock lever 17, thereby inwardly tighten up, and then makes chuck 7 consistent with the tapering of casing 19, thereby reach the self-centering chucking, and then engaging workpiece.The employing aforesaid way can be to workpiece once just pressing from both sides, and not only efficient is fast but also its precision height.
The concrete form of aforementioned 2 actuating units is provided among Fig. 1, wherein, dynamic structure 1 comprises motor 9, electrode wheel 10, main shaft wheel 11 and V belt 12, motor 9 is connected on the external power source (not shown), it drives electrode wheel 10 motions, transmission by V belt 12 simultaneously makes main shaft wheel 11 runnings, and then provides power for the rotation of perforation; Wherein actuating unit 2 comprises motor 13, electrode wheel 14, belt pulley 15 and V belt 16, motor 13 is connected on the external power source (not shown), it drives electrode wheel 14 and rotates, and the transmission by V belt 16 simultaneously makes belt pulley 15 runnings, and then provides power for the rotation of main shaft 22.Certainly, aforementioned actuating unit can adopt other form except that present embodiment, if can for the rotation of last main body relevant portion and down the rotation of main body relevant portion power is provided, it is not limited to said mechanism.
With stationary table, following main body can also mounting bracket 8 (referring to accompanying drawing 3) for better.
The running of last main body and hole knockout preferably adopt the hole knockout of bench drill, and last main body is punched by the hole knockout of bench drill, cooperate the reverse of following main body relevant portion with respect to last main body, thereby quickly and accurately workpiece are punched.
Work stage preferably also comprises work centre hole 20 (referring to accompanying drawing 4), the work centre hole is positioned at the center of chuck, it can reflect at any time that the concentricity of workpiece has no change, in time stops boring after the concentricity of workpiece changes, thereby avoids unnecessary spillage of material.For the better running of control puncher, puncher preferably includes a master switch, and above-mentioned actuating unit is carried out integral body control.
Perforation quickens rotation earlier, uniform rotation to the given pace, clamping device is identical with main shaft 22 operating conditions, and it quickens to rotate to uniform rotation after the given pace earlier, the speed of the speed of perforation uniform rotation and clamping device uniform rotation can be identical, also can be different.
Chuck preferably quickens rotation always, forms a fixing acceleration, can better shorten the punching time like this.
By above-mentioned embodiment, the present invention can be fast and accurately for workpiece punches, and yield rate reaches 99%, saved raw material greatly, shortened the punching time, efficient is 6 times of traditional puncher, adopt card-locked type chucking method simultaneously, making workpiece chucking survival rate is 100%.