The movable vice body clamping tool of bench vice
Technical field
The present invention relates to a kind of frock clamp, relate in particular to the movable vice body clamping tool of bench vice.
Background technology
The internal structure that accompanying drawing 1 to 6 has been shown general bench vice, it comprises pedestal 1, be fixed on the fixing vice body 2 on pedestal 1, part is through the movable vice body 3 of fixing vice body 2 inside, the groove 23 connecting before and after the inside of fixing vice body 2 has, support rails 24 is formed at the bottom of groove 23, its movable vice body 3 has the moving guide rail 33 that is positioned at groove 23 and can be free to slide on support rails 24, two of the left and right side surface of moving guide rail 33 has the smooth spigot surface 331 that need to match with the groove of fixed guide 23, the rearward end of moving guide rail 33 has one and favours the rear end face 332 that moves guide rail bottom surface 30, the cavity 34 connecting before and after moving guide rail 33 inside have, also be provided with screw mandrel 32 in cavity 34 inside, wherein, one end of screw mandrel 32 is threaded with movable vice body, the middle part of screw mandrel 32 is threaded mutually with feed screw nut 22, on the leading section of screw mandrel 32, be also connected with handle 36, in actual use, can drive moving guide rail 33 to move forward and backward on the support rails 24 of groove 23 inside by swinging handle 36 rotary screws 32, now movable vice body 3 is relatively fixed vice body 2 and is moved forward and backward to clamp or loosen workpiece.
The processing of the movable vice body 3 of prior art to bench vice is to be all placed on common milling machine or lathe carries out, because movable vice body 3 is not regular parts, common fixture is not easy its clamping, using common fixture to add man-hour to movable vice body 3, its machining accuracy is too low conventionally, and the higher face of some requirement on machining accuracy, such as being positioned at the spigot surface 331 of moving guide rail 33 both sides of movable vice body 3, if adopt common clamp for machining, can cause the moving left and right sides wall of guide rail 33 and the left and right sides inwall of groove 23 to rub, movable vice body 3 will be obstructed at the sliding stroke of fixing vice body 2 inside, if by twice clamping of adjustable clamp status, and respectively two spigot surfaces are carried out to Milling Process, its process is loaded down with trivial details, and each plane accumulated error is larger, be easy to cause the spigot surface 331 of the moving guide rail of movable vice body 33 both sides not parallel.
Summary of the invention
The object of this invention is to provide the clamp for machining of a kind of clamping rapidly, stably fixed station vice activity vice body.
For achieving the above object, the technical solution used in the present invention is:
The movable vice body clamping tool of bench vice, include the pedestal that can be fixed on machining tool, be fixed on the piece that pushes against of described pedestal rearward end, be fixed on the support of described pedestal leading section, be arranged on described pedestal and for locating the locating part of moving guide rail, and be fixed on the cylinder that pushes against on described support, on described pedestal, there is the working face matching with the bottom surface of movable vice body, the described piece that pushes against protrudes from described working face, and the described piece that pushes against has and parallels with the rear end face of movable vice body and for pushing against the face that pushes against that coordinates this rear end face, the described cylinder that pushes against has the piston rod on the front end face for being pushed against movable vice body, the axial line of described piston rod tilts also backward to downward-extension, and the axial line of described piston rod with the described face that pushes against the projection on described working face mutually vertical.
In preferred version, between the axial line of described piston rod and described working face, be the angle of 20-45 degree.
Further, between the axial line of described piston rod and described working face, be the angle of 30 degree.
In preferred version, the described cylinder that pushes against is oil cylinder.
In preferred version, described locating part has multiple, and multiple described locating parts are divided into two column distributions in the left and right sides of described pedestal.
Operation principle of the present invention is as follows:
The bottom surface of the movable vice body of bench vice is fixed on according to position as shown in Figure 7,8 on the position of the working face on pedestal, matched with working face in the bottom surface of movable vice body, mobile movable vice body, side and the locating part of movable vice body are offseted, then move backward movable vice body, end face is against push against pushing against on face of piece thereafter, owing to pushing against face contact between piece and movable vice body, therefore geocoded activity vice body accurately, control and push against cylinder again, the piston rod that pushes against cylinder is pushed against downwards on the front end face of movable vice body.Pressure under piston rod is tilted to movable vice body, because the axial line of piston rod is with to push against the projection of face on described working face mutually vertical, therefore piston rod and the face that pushes against clamp movable vice body simultaneously, now screw the locating part that is positioned at the left and right sides on pedestal, the left and right sides wall of movable vice body is fixed between two row's locating parts.
The present invention, compared with conventional art, has the following advantages:
The movable vice body clamping tool of bench vice of the present invention clamping, stably clamping activity vice body rapidly, makes machining tool add man-hour to movable vice body, and can not produce and rock, thus the machining accuracy of raising activity vice body.
Brief description of the drawings
The main cutaway view that accompanying drawing 1 is bench vice;
The left view that accompanying drawing 2 is bench vice;
The right view that accompanying drawing 3 is bench vice;
Accompanying drawing 4 is the main cutaway view of fixing vice body;
The front view that accompanying drawing 5 is movable vice body;
The left view that accompanying drawing 6 is movable vice body;
Accompanying drawing 7 is the front view of movable vice body clamping tool;
Accompanying drawing 8 is the top view of movable vice body clamping tool;
In above accompanying drawing: 1, pedestal; 2, fixing vice body; 21, jaw mounting groove; 22, feed screw nut; 23, groove; 24, support rails; 25, steel jaw; 3, movable vice body; 30, bottom surface; 31, jaw mounting groove; 32, screw mandrel; 33, moving guide rail; 331, spigot surface; 332, rear end face; 333, front end face; 34, cavity; 35, steel jaw; 36, handle; 4, clamping tool; 41, pedestal; 410, working face; 42, push against piece; 420, push against face; 43, support; 44, push against cylinder; 45, piston rod; 46, locating part.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the invention will be further described that (" front " described in this description refers to right-hand in accompanying drawing 1, " rear " refers to the left in accompanying drawing 1, and " left side " described in this description, " right side " direction are corresponding with the left and right direction in accompanying drawing 2 respectively):
Accompanying drawing 7, 8 is the structural representation of the movable vice body clamping tool 4 of bench vice of the present invention, this clamping tool 4 includes the pedestal 41 that can be fixed on machining tool, what be fixed on pedestal 41 rearward end pushes against piece 42, be fixed on the support 43 of pedestal 41 leading sections and be fixed on and push against cylinder 44 on support 43, on pedestal 41, there is the working face 410 matching with the bottom surface of movable vice body 3, the bottom surface of movable vice body 3 can be arranged on this pedestal 41, push against piece 42 and protrude from working face 410 to be used for pushing against the rearward end of movable vice body 3, for the rear end face 332 of better cooperation activity vice body 3, pushing against piece 42 also has for parallel and support the friction tight face 420 that pushes against with the rear end face 332 of movable vice body 3, be positioned at the piston rod 45 that pushes against cylinder 44 and have the front end face 333 for pushing against movable vice body 3 of pedestal 41 leading sections, the axial line of piston rod 45 tilt and backward to downward-extension and and working face 410 between be the angle of 20-45 degree, and the axial line of piston rod 45 is with to push against the projection of face 420 on working face 30 mutually vertical.In the present embodiment, push against cylinder 44 for oil cylinder, between the axial line of piston rod 45 and working face 410, be the angle of 30 degree.
On pedestal 41, also there is the locating part 46 for locating moving guide rail 33, locating part 46 can have one, also can have multiple, multiple locating parts 46 be divided into two column distributions in the left and right sides of pedestal 41 for pushing against the left and right sides of movable vice body 3, the locating part 46 using in the present embodiment is bolt.
When installation, by the bottom surface 30 of movable bench vice vice body 3 according to as Fig. 7, position shown in 8 is fixed on the position of the working face 410 on pedestal 41, matched with working face 410 in the bottom surface 30 of movable vice body 3, mobile movable vice body 3, side and the locating part 46 of movable vice body 3 are offseted, then move backward movable vice body 3, thereafter end face is against on the face that pushes against 420 that pushes against piece 42, owing to pushing against face contact between piece 42 and movable vice body 3, therefore geocoded activity vice body 3 accurately, control and push against cylinder 44 again, the piston rod 45 that pushes against cylinder 44 is pushed against downwards on the front end face of movable vice body 3.Pressure under piston rod 45 is tilted to movable vice body 3, because the axial line of piston rod 45 is with to push against the projection of face 420 on working face 30 mutually vertical, therefore piston rod 45 and push against face 420 and movable vice body 3 is clamped simultaneously, is fixed between two row's locating parts 46 left and right sides wall of movable vice body 3.
The front end face 333 of movable vice body, rear end face 332 respectively by piston rod 45, push against piece 42 and push against, its two sides are fixing by two row's locating parts 46 respectively, reach the fastening object of movable vice body 3 with this, on pedestal 41, also have with machining tool on several screw holes of matching of workpiece assembling seat, on each screw hole, bolt is installed, bolt can be by fastening to clamping tool 4 and workpiece assembling seat, machining tool is to clamping, adjustable clamp 3 bodies on clamping tool 4 add man-hour, can not produce and rock, thus the machining accuracy of raising activity vice body 3.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.