Clamp for grinding
Technical Field
The utility model belongs to the technical field of grinding clamps, and particularly relates to a clamp for grinding.
Background
In the field of machining, it is often necessary to clamp and fix workpieces such as steel plates, steel materials, etc., and to perform various mechanical treatments thereon, wherein some of the positions on the workpieces are required to be mechanically abraded in order to make the surfaces smoother, and therefore, it is necessary to fix the workpieces first using a jig and then to abrade them using an abrading machine.
In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, but the existing grinding clamp can only use two or more chucks to clamp and fix two sides of a workpiece, but cannot change the angles of the chucks, which causes inconvenient fixing of workpieces with special shapes and reduces the application range.
For this purpose, we propose a jig for grinding solving the above-mentioned problems.
Disclosure of utility model
The utility model mainly aims to provide the clamp for grinding, which is suitable for fixing and subsequent grinding of various workpieces with different forms, improves the application range of the clamp and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The fixture comprises an upper platen and a clamping mechanism positioned below the upper platen, wherein a fixed motor is horizontally arranged on one side wall of the upper platen, a sliding groove is formed in the bottom wall of the upper platen, a screw rod and a sliding rod are arranged in the sliding groove, an output shaft of the fixed motor is coaxially connected with the screw rod, two sides of the sliding rod are welded with the upper platen, two sides of the screw rod are respectively sheathed with an upper sliding block in a threaded manner, threads on two sides of the screw rod are in opposite rotation directions, and the two upper sliding blocks are respectively sheathed on the sliding rod in a sliding manner, so that the two upper sliding blocks are driven to move oppositely or reversely along the sliding rod when the screw rod rotates;
The bottom wall of two go up the slider all welds there is a fixed section of thick bamboo, two all be fixed with the cylinder on the fixed section of thick bamboo, two the cylinder below is connected with the telescopic link respectively, and the bottom of two telescopic links has welded the piece that stretches out respectively, the supporter of falling U-shaped has all been welded to the diapire of two stretching out pieces, wherein the movable motor is installed to the level on two supporter, two movable motor output shafts coaxial coupling respectively have interior fulcrum, fixture is including the upset piece of fixed cover locating respectively on two interior fulcrum and the chuck of welding respectively in two upset piece below, be close to each other through two chucks, carry out the centre gripping to the work piece between the two and fix, the type of work piece is machinery class part during the machining, for example steel sheet, steel etc., the shape of chuck is determined according to actual conditions, it is not necessarily in the drawing to take the standard, fixed motor and movable motor need external power supply.
As the preferable implementation scheme, the screw rod and the slide rod are horizontally arranged, and both sides of the screw rod are rotationally connected with the upper bedplate, so that the screw rod can be driven to stably run when the fixed motor runs.
As a preferable embodiment, the two fixing cylinders are respectively provided with mounting grooves, and the two cylinders are respectively mounted on the bottom walls of the two mounting grooves, so that the structure of the mounting grooves is kept stable.
As the preferred implementation scheme, the bottom movable grooves are formed in the bottom walls of the two upper sliding blocks, the two telescopic rods are vertically arranged and are respectively connected with the bottom walls of the two bottom movable grooves, and the telescopic rod structure is kept stable.
As a preferred embodiment, the two inner support shafts are respectively and horizontally arranged in the two storage racks, and the two inner support shafts are respectively and rotatably connected with the two storage racks, so that the inner support shafts can stably operate.
As the preferred implementation scheme, the two chucks are designed in opposite directions, and soft cushions are fixedly adhered to the inner sides of the two chucks, wherein the soft cushion material can be rubber or silica gel.
In summary, the technical effects and advantages of the present utility model are:
according to the clamp for grinding, the screw is driven to run by driving the fixed motor, so that the two chucks are close to each other, and the height and the angle of the chucks can be adjusted by matching with the running of the two cylinders and the two movable motors, so that the fixation of various workpieces with different forms and the subsequent grinding work are adapted, and the application range of the clamp is improved;
The clamp for grinding firstly enables the fixed motor to operate to drive the two chucks to be close to each other, then enables the two cylinders to operate to drive the two telescopic rods to extend or shrink, enables the two extending blocks to drive the chucks below the two extending blocks to lift, and can also use the two movable motors to operate to drive the two inner support shafts, the two overturning blocks and the two chucks to overturn, so that the heights and angles of the chucks are changed, and the clamp is convenient to adapt to the fixation of workpieces in different shapes.
Drawings
FIG. 1 is a schematic view of a structure of one side of the present utility model;
FIG. 2 is a schematic view of another embodiment of the present utility model;
FIG. 3 is a vertical cross-sectional view of the present utility model;
fig. 4 is a vertical cross-sectional view of a shelf of the present utility model.
The device comprises a table board 1, a fixed motor 2, a sliding groove 3, a screw rod 4, a sliding rod 5, a sliding rod 6, an upper sliding block 7, a fixed cylinder 8, a mounting groove 9, an air cylinder 10, a bottom movable groove 11, a telescopic rod 12, an extending block 13, a storage rack 14, a movable motor 15, an inner supporting shaft 16, a turnover block 17, a clamping head 18 and a soft cushion.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a clamp for grinding comprises an upper platen 1 and a clamping mechanism positioned below the upper platen 1, wherein a fixed motor 2 is horizontally arranged on one side wall of the upper platen 1, a sliding groove 3 is formed in the bottom wall of the upper platen 1, a screw 4 and a sliding rod 5 are arranged in the sliding groove 3, wherein an output shaft of the fixed motor 2 is coaxially connected with the screw 4, two sides of the sliding rod 5 are welded with the upper platen 1, the screw 4 and the sliding rod 5 are horizontally arranged, two sides of the screw 4 are rotatably connected with the upper platen 1, so that the screw 4 can be driven to stably run when the fixed motor 2 runs, upper sliding blocks 6 are respectively sleeved on two sides of the screw 4 in a threaded manner, threads on two sides of the screw 4 are reversely rotated, and the two upper sliding blocks 6 are respectively sleeved on the sliding rod 5 in a sliding manner, so that when the screw 4 rotates, the two upper sliding blocks 6 are driven to move in opposite directions or opposite directions along the sliding rod 5;
The bottom walls of the two upper sliding blocks 6 are welded with fixed cylinders 7, air cylinders 9 are fixed on the two fixed cylinders 7, mounting grooves 8 are formed in the two fixed cylinders 7, the two air cylinders 9 are respectively mounted on the bottom walls of the two mounting grooves 8, telescopic rods 11 are respectively connected below the two air cylinders 9, bottom movable grooves 10 are formed in the bottom walls of the two upper sliding blocks 6, the two telescopic rods 11 are vertically arranged, and the two telescopic rods 11 are respectively connected to the bottom walls of the two bottom movable grooves 10, so that the structure of the telescopic rods 11 is kept stable;
The bottom of two telescopic links 11 has welded respectively and has stretched out piece 12, the diapire at two pieces of stretching out 12 has all welded the supporter 13 of reverse U-shaped, wherein install movable motor 14 on two supporter 13 levels, two movable motor 14 output shafts coaxial coupling has interior pivot 15 respectively, two interior pivot 15 set up in two supporter 13 respectively levels, and two interior pivot 15 rotate with two supporter 13 respectively and be connected, make interior pivot 15 can stably move, fixture includes the upset piece 16 of fixed cover on two interior pivot 15 respectively and welds the chuck 17 in two upset piece 16 below respectively, two chucks 17 are in opposite directions designed, and two chucks 17 inboard all are fixed with cushion 18, cushion 18 material optional rubber or silica gel, through two chucks 17 mutual nearing, the work piece centre gripping fixed between the two, the type of work piece is the mechanical parts during the mechanical processing, for example steel sheet, steel etc., the shape of chuck 17 is according to actual conditions, it is not necessarily in the figure to take the external power supply to fix motor 2 and movable motor 14 need.
The clamp for grinding is characterized in that a workpiece to be clamped is moved between two chucks 17 (the clamp is not disclosed in the technical scheme) through an external instrument, a fixed motor 2 is driven to operate so as to drive a screw 4 to run, two upper sliding blocks 6 translate along with two sliding rods 5 in opposite directions, two fixed cylinders 7 and all structures below the fixed cylinders are driven to be close to each other, the two chucks 17 are close to each other and are in contact with the workpiece, and the workpiece is clamped and fixed by the two chucks 17;
According to the difference of the heights of the workpieces, the two cylinders 9 can be driven to operate to drive the two telescopic rods 11 to extend or retract, so that the two extending blocks 12 drive the chucks 17 below the two extending blocks to lift, and the two movable motors 14 can be used to operate to drive the two inner support shafts 15, the two overturning blocks 16 and the two chucks 17 to overturn, so that the heights and angles of the chucks 17 are changed, and the fixing of the workpieces in different shapes is facilitated.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.