A frock for centre gripping
Technical Field
The invention relates to the field of clamps, in particular to a fixture for clamping.
Background
Along with the rapid development of the industry in China, the manufacturing industry in China is developing towards automatic intelligent manufacturing, the production of a product usually needs a plurality of stations to process the product, each station needs a tool for clamping and fixing the product, an air cylinder or a hydraulic cylinder on the tool provides power for clamping the product, and a transmission mechanism moves the tool from one station to the next station; however, the air cylinder or the hydraulic cylinder on the moving tool needs to be connected with an air supply pipe or an oil supply pipe, the air supply pipe or the oil supply pipe can limit the movement of each tool, and the joint of the air supply pipe or the oil supply pipe can greatly increase the manufacturing cost.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a clamping tool which is suitable for a moving tool to clamp and fix a product.
The invention provides the following technical scheme:
a fixture for clamping comprises a frame main body, a clamping plate, a cylinder and a photoelectric sensor; the workpiece to be processed is arranged on the frame main body; the frame main body is arranged on a conveying mechanism, the conveying mechanism conveys the frame main body from one station to the next station, the air cylinder is arranged on the corresponding station, and the air cylinder is arranged below the conveying mechanism; the cylinder is provided with a pushing mechanism; a cavity for the pushing mechanism to pass through is arranged on the conveying mechanism below the frame main body; a plurality of clamping plates are arranged on the frame main body; the middle part of the clamping plate is rotatably connected to the frame main body; the torque spring pushes the clamping plate to fixedly clamp the workpiece to be machined; the shape of the clamping plate is C-shaped or V-shaped; the lower end of the clamping plate extends into the cavity; the clamping plate corresponds to the position of the pushing mechanism.
Preferably, the conveying mechanism comprises a rotating table; the motor drives the rotating table to rotate around the center; each station is distributed on the rotating platform in an annular array; the frame main body is arranged above the rotating table; the cavity is arranged on the rotating table; the cylinder sets up in the revolving stage below.
Preferably, four clamping plates are respectively arranged on four corners of the frame main body; the two cylinders are arranged on two sides of the frame main body; the pushing mechanism comprises a mounting frame and a pushing wheel; the mounting rack is arranged on the two push wheels; the four pushing wheels are respectively arranged opposite to the four clamping plates.
Preferably, a fixing cavity penetrates through the frame main body along the vertical direction, and the workpiece to be processed is arranged in the fixing cavity; and the side wall of the fixed cavity is a curved surface matched with the shape of the workpiece to be processed.
Preferably, one side of the pushing mechanism is provided with a photoelectric sensor for detecting a workpiece to be processed; the photoelectric sensor corresponds to the cavity of the conveying mechanism.
Preferably, a pressing block for extruding the workpiece to be processed is arranged on the clamping plate; the material of the pressing block is rubber.
Preferably, the frame main body is provided with a mounting hole; the fixing screw penetrates through the mounting hole and is in threaded connection with the rotating table.
Compared with the prior art, the invention has the following advantages and effects:
according to the invention, the air cylinder pushes the clamping plate to rotate upwards through the conveying mechanism so as to place a workpiece to be machined, and the torque spring pushes the clamping plate to fixedly clamp the workpiece to be machined; through cylinder and splint separately design structure, avoided the motion of each frock of air supply pipe or fuel feed line restriction, reduced the use that air supply pipe or fuel feed line connect simultaneously, reduced manufacturing cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a three-dimensional view of a fixture for clamping of the present invention;
FIG. 2 is a front view of a fixture for clamping of the present invention;
FIG. 3 is a top view of a fixture for clamping of the present invention;
FIG. 4 is a side view of a fixture for clamping of the present invention;
fig. 5 is a three-dimensional view of the frame body of the present invention.
In the figure: the device comprises a fixing plate 1, a cylinder 2, a mounting frame 3, a push wheel 4, a rotating table 5, a cavity 51, a frame body 6, a handle 61, a mounting hole 62, a fixing screw 621, a torque spring 63, a clamping plate 64, a pressing block 65, a connecting shaft 66, a fixing cavity 67, a workpiece to be processed 7, a supporting frame 8 and a photoelectric sensor 9.
Detailed Description
The specific implementation mode of the invention is as follows:
referring to fig. 1-5, a fixture for clamping includes a frame body 6, a clamp plate 64, a cylinder 2, and a photoelectric sensor 9; the workpiece 7 to be processed is arranged on the frame main body 6; a fixing cavity 67 penetrates through the frame main body 6 along the vertical direction, and the workpiece 7 to be processed is arranged in the fixing cavity 67; the side wall of the fixed cavity 67 is a curved surface matched with the shape of the workpiece 7 to be processed, so that the workpiece can be fixed and limited; the frame body 6 is arranged on a conveying mechanism, the conveying mechanism conveys the frame body 6 from one station to the next station, and the air cylinder 2 is arranged on the corresponding station; the conveying mechanism comprises a rotating table 5; the motor drives the rotating table 5 to rotate around the center; each station is distributed on the rotating table 5 in an annular array; the frame body 6 is arranged above the rotating table 5; the rotating table 5 is provided with a cavity 51 for the pushing mechanism to pass through; the cylinder 3 is arranged below the rotating table 5, and the frame body 6 is provided with a mounting hole 62; the fixing screw 621 penetrates through the mounting hole 62 to be in threaded connection with the rotating table 5; a rotating handle is arranged on the fixing screw 621; the cylinder 2 is arranged on the fixed plate 1.
The cylinder 2 is provided with a pushing mechanism; four clamping plates 64 for clamping a workpiece to be machined are arranged on the frame main body 6; four clamping plates 64 are respectively arranged on four corners of the frame main body 6; the frame body 6 is provided with a connecting shaft 66; the middle part of the clamping plate 64 is rotatably connected to the connecting shaft 66; a torque spring 63 is arranged on the connecting shaft 66; the torque spring 63 pushes the clamping plate 64 to fixedly clamp the workpiece 7 to be machined; the shape of the clamping plate 64 is C-shaped or V-shaped; the lower end of the clamping plate 64 extends into the cavity; a pressing block 65 for extruding the workpiece to be processed is arranged on the clamping plate 64; the material of the pressing block 65 is rubber, so that the clamping plate 64 is prevented from damaging the workpiece clamping process.
The two cylinders 2 are arranged on two sides of the frame body 6; the pushing mechanism comprises a mounting frame 3 and a pushing wheel 4; the mounting frame 3 is arranged on the two push wheels 4; the four push wheels 4 are respectively arranged opposite to the four clamping plates 64, and the push wheels 4 are in line contact with the four clamping plates 64 to better push the clamping plates to rotate; a photoelectric sensor 9 for detecting a workpiece to be processed is arranged on one side of the pushing mechanism; the photoelectric sensor 9 corresponds to a cavity of the rotating table 5; the photoelectric sensor 9 is installed on the fixing plate 1 through a support frame 8, and whether a workpiece is installed or not is detected through the photoelectric sensor 9.
The working principle is as follows: the worker switches on the power supply for the device; the rotating table 5 is driven to rotate around the center by the motor; the rotating table 5 conveys the frame main body 6 from one station to the next station, the air cylinder 2 pushes the clamping plate 64 to rotate upwards through the conveying mechanism, and the workpiece 7 to be processed is placed in the fixing cavity 67 of the frame main body 6; the torque spring 63 pushes the clamping plate 64 to fixedly clamp the workpiece 7 to be machined so as to further machine the workpiece, and whether the workpiece is installed or not is detected through the electric sensor 9.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.