CN205660435U - A flexible clamp for quick -witted casket - Google Patents

Abstract

The utility model provides a flexible clamp for quick -witted casket, including base, the anchor clamps body, pressure plate assembly, servo clamping device, the gear wheel of taking plane rectangular thread, pinion, its characterized in that, the anchor clamps body is fixed at the base middle part through threaded connection, and pressure plate assembly passes through threaded connection and installs at the specific upper surface of clamp, and servo clamping device installs and is pressing from both sides specific upper surface, takes plane rectangular thread's gear wheel to arrange in the middle of the base and the anchor clamps body, passes through the cooperation of plane rectangular thread with servo clamping device, carries out the gear with the pinion and coordinates. The beneficial effect of the utility model: there is the automatic centering effect, can adjusts according to the work piece size to add and to hold not unidimensional work piece, can make through servo clamping device in addition and step up power and finely tune, increased the flexibility of anchor clamps.

Description

A flexible clamp for casing

technical field

The utility model relates to the technical field of mechanical processing, in particular to a flexible clamp for a casing.

Background technique

The casing is a large thin-walled rotary part. During the processing, due to its large size, difficulty in self-centering and difficulty in controlling the clamping force, it is prone to eccentricity and thin-wall deformation, which seriously affects the processing accuracy.

Utility model content

In order to overcome the above-mentioned technical problems, the utility model provides a flexible clamp for the casing, which realizes automatic centering and prevents the machining accuracy from being affected by eccentricity or excessive clamping force of the workpiece.

The technical solution adopted by the utility model to solve the technical problem is a flexible clamp for the casing, including a base, a clamp body, a pressing plate assembly, a servo clamping device, a large gear with a plane rectangular thread, and a pinion, which is characterized in that , there are installation holes at both ends of the base, the clamp body is fixed in the middle of the base through threaded connection, the pressure plate assembly is installed on the upper surface of the clamp body through threaded connection, and the servo clamping device is installed on the upper surface of the clamp body On the surface, the large gear with a flat rectangular thread is arranged between the base and the clamp body, cooperates with the servo clamping device through a flat rectangular thread, and cooperates with the pinion. There are three small gears, which are evenly distributed on the flat rectangular Around the large gear of the thread, the gears are fitted.

Further, the clamp body includes a chute and a connection hole. There are three chute slots, which are evenly distributed on the clamp body, and are used to carry the servo clamping device and allow the servo clamping device to move on it. The connection holes There are three, which are evenly distributed on the clamp body and connected with the pressing plate assembly.

Further, the pressing plate assembly includes a pressing plate, a pin hole, a positioning pin, a bolt hole, and a fixing bolt, the pressing plate acts to compress the workpiece, the pin hole is at the end of the pressing plate, and the positioning pin is fixed after passing through the pin hole For the workpiece, there are three bolt holes to make the pressing plate assembly adjustable, and the fixing bolts are connected with the clamp body through the bolt holes for fixing the pressing plate.

Further, the servo clamping device includes a hydraulic cylinder base, an arc-shaped pressure head, an elastic coupling, and a servo hydraulic cylinder. The base of the hydraulic cylinder is installed on the clamp body, the slideway at the lower end can move on the large gear with flat rectangular thread, the servo hydraulic cylinder is installed on the base of the hydraulic cylinder through threaded connection, and the arc pressure head is elastically The coupling is connected with the servo hydraulic cylinder, and the arc is the same as that of the workpiece to be clamped.

The beneficial effect of the utility model: it has automatic centering function, can be adjusted according to the workpiece size, thereby clamping workpieces of different sizes, and the clamping force can be fine-tuned through the servo clamping device, which increases the flexibility of the clamp.

Description of drawings

Fig. 1 is the three-dimensional structural diagram of the present utility model;

Fig. 2 is the three-dimensional structural diagram of parts 2 of the present utility model;

Fig. 3 is the three-dimensional structural diagram of part 3 of the present utility model;

Fig. 4 is the three-dimensional structural diagram of part 4 of the present utility model;

Fig. 5 is the three-dimensional structure diagram that part 5 of the present utility model cooperates with part 6;

Fig. 6 is a schematic diagram of clamping of the utility model;

In the figure: 1 base, 2 clamp body, 3 pressure plate assembly, 4 servo clamping device, 5 large gear with flat rectangular thread, 6 small gear, 7 workpiece, 21 chute, 22 connection hole, 31 pressure plate, 32 pin hole , 33 positioning pins, 34 bolt holes, 35 fixing bolts, 41 hydraulic cylinder base, 42 arc pressure head, 43 elastic coupling, 44 servo hydraulic cylinder.

detailed description

The utility model is described in detail below with reference to accompanying drawing 1 to accompanying drawing 6 of specification sheet.

A flexible clamp for a casing, comprising a base 1, a clamp body 2, a pressing plate assembly 3, a servo clamping device 4, a large gear 5 with a flat rectangular thread, and a pinion 6, characterized in that the base 1 There are installation holes at both ends, the clamp body 2 is fixed on the middle part of the base 1 through threaded connection, the pressure plate assembly 3 is installed on the upper surface of the clamp body 2 through threaded connection, and the servo clamping device 4 is installed on the bottom of the clamp body 2 On the upper surface, the large gear 5 with a flat rectangular thread is arranged between the base 1 and the clamp body 2, cooperates with the servo clamping device 4 through a flat rectangular thread, and cooperates with the pinion 6. The pinion 6 has three , are evenly distributed around the bull gear 5 with plane rectangular thread, and carry out gear fit.

Further, the clamp body 2 includes a chute 21 and a connecting hole 22. There are three chute 21, which are evenly distributed on the clamp body 2, and are used to carry the servo clamping device 4, so that the servo clamping device 4 can be placed on the Moving above, there are three connecting holes 22 , which are evenly distributed on the clamp body 2 and connected with the pressing plate assembly 3 .

Further, the pressure plate assembly 3 includes a pressure plate 31, a pin hole 32, a positioning pin 33, a bolt hole 34, and a fixing bolt 35. The pressure plate 31 acts to compress the workpiece 7, and the pin hole 32 is located at the end of the pressure plate 31. , the positioning pin 33 fixes the workpiece 7 through the pin hole 32, the bolt hole 34 has three, so that the pressure plate assembly 3 can be adjusted, and the fixing bolt 35 is connected with the clamp body 2 through the bolt hole 34, and is used to fix the pressure plate 31 .

Further, the servo clamping device 4 includes a hydraulic cylinder base 41 , an arc-shaped pressure head 42 , an elastic coupling 43 , and a servo hydraulic cylinder 44 . The hydraulic cylinder base 41 is installed on the clamp body 2, and the slideway at the lower end can move on the large gear 5 with a flat rectangular thread. The servo hydraulic cylinder 44 is installed on the hydraulic cylinder base 41 through a threaded connection. The shape indenter 42 is connected with the servo hydraulic cylinder 44 through an elastic coupling 43, and the radian is the same as that of the workpiece 7 to be clamped.

During the clamping process of the workpiece 7, the workpiece 7 is first placed in the middle of the clamp body 2, the pin hole 32 of the pressure plate assembly 3 coincides with the center line of the bottom hole of the workpiece 7, and the positioning pin 33 positions the workpiece 7 through the pin hole 32. 7 size, select the appropriate bolt hole 34, and then connect the connecting hole 22 on the clamp body 2 through the fixing bolt 35 to fix the pressure plate 31, and then turn the pinion 6 to make the large gear 5 with a flat rectangular thread matched with it Rotate to drive the hydraulic cylinder base 41 to move in the chute 21 of the clamp body 2, so as to move the servo clamping device 4 in a large range radially, and stop the rotation of the pinion 6 when the arc-shaped chuck 42 contacts the workpiece 7 , and then place the base 1 on the machine tool workbench, fix the base 1 through the mounting holes at both ends of the base 1, and process the workpiece 7 after being fixed. , the servo hydraulic cylinder 44 performs servo movement, and the clamping force of the arc-shaped indenter 42 on the workpiece 7 is changed through the elastic coupling 43, so as to avoid reducing the machining accuracy or even affecting the workpiece 7 due to excessive or too small clamping force on the workpiece 7 cause havoc.

The above descriptions are only specific implementations of the present utility model, and changes that can be easily conceived by those skilled in the art within the disclosed scope of the present utility model shall be covered within the protection scope of the present utility model.

Claims (4)

1. A flexible fixture for casing, comprising a base, a clamp body, a pressing plate assembly, a servo clamping device, a large gear with a flat rectangular thread, and a pinion, and it is characterized in that there are mounting holes at both ends of the base , the clamp body is fixed in the middle of the base through threaded connection, the pressure plate assembly is installed on the upper surface of the clamp body through threaded connection, the servo clamping device is installed on the upper surface of the clamp body, and the large flat rectangular thread The gear is arranged in the middle of the base and the clamp body, cooperates with the servo clamping device through a flat rectangular thread, and cooperates with the pinion. There are three small gears, which are evenly distributed around the large gear with a flat rectangular thread for gear cooperation. . 2. A kind of flexible clamp for casing according to claim 1, it is characterized in that, described clamp body comprises chute, connecting hole, and described chute has three, is evenly distributed on the clamp body, for It carries the servo clamping device and can make the servo clamping device move on it. There are three connecting holes, which are evenly distributed on the clamping body and connected with the pressing plate assembly. 3. A flexible clamp for a casing according to claim 1, wherein the press plate assembly comprises a press plate, a pin hole, a positioning pin, a bolt hole, and a fixing bolt, and the press plate compresses the workpiece Function, the pin hole is at the end of the pressure plate, and the positioning pin fixes the workpiece after passing through the pin hole. There are three bolt holes to make the pressure plate assembly adjustable. The fixing bolt is connected with the clamp body through the bolt hole for fixing platen. 4. A flexible clamp for a casing according to claim 1, wherein the servo clamping device comprises a hydraulic cylinder base, an arc-shaped pressure head, an elastic coupling, and a servo hydraulic cylinder, and the hydraulic pressure The base of the cylinder is installed on the clamp body, the slideway at the lower end can move on the large gear with flat rectangular thread, the servo hydraulic cylinder is installed on the base of the hydraulic cylinder through threaded connection, and the arc-shaped pressure head passes through the elastic coupling Connected with the servo hydraulic cylinder, the radian is the same as that of the workpiece to be clamped.