阅读说明：本技术 一种快速装夹定位工装 (Quick clamping location frock ) 是由 曾文文 朱晓淑 于 2021-09-14 设计创作，主要内容包括：本发明提供了一种快速装夹定位工装,包括液压卡盘、安装工件的底座、在工件的四周将工件压紧在底座上的压紧机构和在工件的中心轴将工件夹紧在底座上的轴向弹性夹紧机构,所述底座设置在所述液压卡盘上,所述底座、液压卡盘同轴安装,所述压紧机构与所述液压卡盘构成了移动副,所述压紧机构与所述液压卡盘的相对移动方向垂直于所述液压卡盘的主轴,所述底座上设有内撑座凹槽,所述内撑座凹槽上设有在工件的中心轴将工件夹紧在底座上的内撑座,所述轴向弹性夹紧机构安装在所述液压卡盘的主轴上并贯穿所述底座与所述内撑座连接。本发明的有益效果是：可实现快速装夹定位,省时省力,提高了生产效率。(The invention provides a quick clamping and positioning tool which comprises a hydraulic chuck, a base for mounting a workpiece, a pressing mechanism for pressing the workpiece on the base at the periphery of the workpiece and an axial elastic clamping mechanism for clamping the workpiece on the base at a central shaft of the workpiece, wherein the base is arranged on the hydraulic chuck, the base and the hydraulic chuck are coaxially arranged, the pressing mechanism and the hydraulic chuck form a moving pair, the relative moving direction of the pressing mechanism and the hydraulic chuck is vertical to a main shaft of the hydraulic chuck, an inner supporting seat groove is arranged on the base, an inner supporting seat for clamping the workpiece on the base at the central shaft of the workpiece is arranged on the inner supporting seat groove, and the axial elastic clamping mechanism is arranged on the main shaft of the hydraulic chuck and penetrates through the base to be connected with the inner supporting seat. The invention has the beneficial effects that: the quick clamping and positioning can be realized, the time and the labor are saved, and the production efficiency is improved.)

1. The utility model provides a quick clamping location frock which characterized in that: including the base of hydraulic chuck, installation work piece, compress tightly the hold-down mechanism on the base with the work piece all around the work piece and press from both sides the axial elastic clamping mechanism on the base with the work piece at the center pin of work piece clamp, the base sets up on the hydraulic chuck, base, hydraulic chuck coaxial arrangement, hold-down mechanism with hydraulic chuck has constituted the shifting pair, hold-down mechanism with the relative movement direction perpendicular to of hydraulic chuck the main shaft of hydraulic chuck, be equipped with interior supporting seat recess on the base, be equipped with on the interior supporting seat recess and press from both sides the interior supporting seat of work piece clamp on the base with the center pin of work piece, axial elastic clamping mechanism installs on the main shaft of hydraulic chuck and run through the base with interior supporting seat is connected.

2. The quick clamping and positioning tool according to claim 1, characterized in that: the axial elastic clamping mechanism comprises a hydraulic chuck main shaft steering flange, a main shaft connecting rod and a tension rod, the hydraulic chuck main shaft steering flange is installed on a main shaft of the hydraulic chuck, the hydraulic chuck main shaft steering flange is connected with the main shaft connecting rod, the main shaft connecting rod is connected with the tension rod through an elastic tensioning mechanism, the tension rod penetrates through the base and is connected with the inner support seat, and the base, the hydraulic chuck main shaft steering flange, the main shaft connecting rod, the tension rod and the inner support seat are coaxially installed.

3. The quick clamping and positioning tool according to claim 2, characterized in that: hold-down mechanism includes the hand claw clamp plate, connects axle bed and hydraulic chuck slide, the hydraulic chuck slide sets up on the hydraulic chuck and with hydraulic chuck sliding fit, the hand claw clamp plate is from last to being divided into top, mid portion and bottom down, the top of hand claw clamp plate is the part that compresses tightly the work piece, the mid portion of hand claw clamp plate with the base is articulated, the bottom of hand claw clamp plate with it is articulated to connect the axle bed, it fixes to connect the axle bed in the hydraulic chuck slide, hydraulic chuck main shaft turns to the flange and follows hydraulic chuck's main shaft reciprocates and drives the hydraulic chuck slide is followed control is removed about hydraulic chuck's is radial, thereby drives the hand claw clamp plate overturns to open or the upset tightens up to loosen or press from both sides tight work piece.

4. The quick clamping positioning tool according to claim 3, characterized in that: the hydraulic chuck is characterized in that a first inclined plane is arranged on the hydraulic chuck sliding seat, a second inclined plane is arranged on the hydraulic chuck spindle steering flange, and the first inclined plane is attached to the second inclined plane.

5. The quick clamping positioning tool according to claim 3, characterized in that: the top of hand claw clamp plate is the crotch shape, the slip direction of hydraulic chuck slide does hydraulic chuck's is radial, the bottom of hand claw clamp plate pass through the dabber with it is articulated to connect the axle bed, it fixes to connect the axle bed through the cushion in the hydraulic chuck slide.

6. The quick clamping positioning tool according to claim 3, characterized in that: the middle part of the paw pressing plate is provided with a middle sliding groove with a bent corner, the base is provided with an avoiding groove, the avoiding groove is arranged along the radial extension of the base, a first mandrel is arranged in the middle sliding groove, and two ends of the first mandrel are fixed in the avoiding groove.

7. The quick clamping and positioning tool according to claim 2, characterized in that: the elastic tensioning mechanism comprises a spring, a connecting flange and a bolt, the connecting flange is fixed on the tensioning rod, the bolt penetrates through the connecting flange and is fixed on the main shaft connecting rod, and the spring is clamped between the bolt and the connecting flange.

8. The quick clamping and positioning tool according to claim 7, characterized in that: the connecting flange is provided with a through hole for the bolt to pass through, the diameter of the through hole is larger than that of the bolt, the tension rod is in threaded connection with the connecting flange, and the spindle connecting rod is in threaded connection with the hydraulic chuck spindle steering flange.

9. The quick clamping and positioning tool according to claim 2, characterized in that: the contact surface of the tension rod and the inner support seat is a conical surface.

10. The quick clamping and positioning tool according to claim 1, characterized in that: the hydraulic chuck is installed on the machine tool workbench, a cushion block is arranged between the hydraulic chuck and the base, and the pressing mechanism is provided with three parallel winding and distributed at intervals of 120 degrees in the circumferential direction of a main shaft of the hydraulic chuck.

Technical Field

The invention relates to a tool clamp, in particular to a quick clamping and positioning tool.

Background

At present, in the field of machining of mechanical products, under the condition that a part machined by a vertical lathe meets the rotation condition, the part machined by the vertical lathe has the characteristics of complex size, heavy weight and difficulty in clamping, products are usually clamped and positioned manually when the product machined by the traditional vertical lathe is machined, and the characteristics of the product machined by the vertical lathe cause the defects of difficulty in clamping and positioning, time and labor waste and low production efficiency during machining of the vertical lathe.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a rapid clamping and positioning tool.

The invention provides a quick clamping and positioning tool which comprises a hydraulic chuck, a base for mounting a workpiece, a pressing mechanism for pressing the workpiece on the base at the periphery of the workpiece and an axial elastic clamping mechanism for clamping the workpiece on the base at a central shaft of the workpiece, wherein the base is arranged on the hydraulic chuck, the base and the hydraulic chuck are coaxially arranged, the pressing mechanism and the hydraulic chuck form a moving pair, the relative moving direction of the pressing mechanism and the hydraulic chuck is vertical to a main shaft of the hydraulic chuck, an inner supporting seat groove is arranged on the base, an inner supporting seat for clamping the workpiece on the base at the central shaft of the workpiece is arranged on the inner supporting seat groove, and the axial elastic clamping mechanism is arranged on the main shaft of the hydraulic chuck and penetrates through the base to be connected with the inner supporting seat.

As a further improvement of the present invention, the axial elastic clamping mechanism includes a hydraulic chuck main shaft steering flange, a main shaft connecting rod and a tension rod, the hydraulic chuck main shaft steering flange is mounted on the main shaft of the hydraulic chuck, the hydraulic chuck main shaft steering flange is connected with the main shaft connecting rod, the main shaft connecting rod is connected with the tension rod through an elastic tensioning mechanism, and the tension rod passes through the base and is connected with the inner support seat.

As a further improvement of the invention, the base, the hydraulic chuck spindle steering flange, the spindle connecting rod, the tension rod and the inner support seat are coaxially arranged.

As a further improvement of the present invention, the pressing mechanism includes a gripper pressing plate, a connecting shaft seat and a hydraulic chuck sliding seat, the hydraulic chuck sliding seat is disposed on the hydraulic chuck and is in sliding fit with the hydraulic chuck, the gripper pressing plate is divided into a top end, a middle portion and a bottom end from top to bottom, the top end of the gripper pressing plate is a portion for pressing a workpiece, the middle portion of the gripper pressing plate is hinged to the base, the bottom end of the gripper pressing plate is hinged to the connecting shaft seat, and the connecting shaft seat is fixed in the hydraulic chuck sliding seat.

As a further improvement of the invention, the hydraulic chuck spindle steering flange moves up and down along the spindle of the hydraulic chuck to drive the hydraulic chuck sliding seat to move left and right along the radial direction of the hydraulic chuck, so as to drive the gripper pressing plate to turn over and open or turn over and tighten, thereby loosening or clamping a workpiece.

As a further improvement of the invention, a first inclined plane is arranged on the hydraulic chuck sliding seat, a second inclined plane is arranged on the hydraulic chuck spindle steering flange, and the first inclined plane is attached to the second inclined plane.

As a further improvement of the invention, the top end of the paw pressure plate is in a hook shape, and the sliding direction of the hydraulic chuck sliding seat is in the radial direction of the hydraulic chuck.

As a further improvement of the invention, the middle part of the paw pressure plate is provided with a middle sliding groove with a bending corner, the base is provided with an avoiding groove, the avoiding groove extends along the radial direction of the base, the middle sliding groove is internally provided with a first mandrel, and two ends of the first mandrel are fixed in the avoiding groove.

As a further improvement of the invention, the bottom end of the paw pressure plate is hinged with the connecting shaft seat through a mandrel, and the connecting shaft seat is fixed in the hydraulic chuck sliding seat through a cushion block.

As a further improvement of the present invention, the elastic tensioning mechanism includes a spring, a connecting flange and a bolt, the connecting flange is fixed on the tensioning rod, the bolt passes through the connecting flange and is fixed on the spindle connecting rod, and the spring is clamped between the bolt and the connecting flange.

As a further improvement of the invention, the connecting flange is provided with through holes for the bolts to pass through, and the diameter of the through holes is larger than that of the bolts.

As a further improvement of the invention, the tension rod is in threaded connection with the connecting flange.

As a further improvement of the invention, the spindle connecting rod is in threaded connection with the hydraulic chuck spindle steering flange.

As a further improvement of the invention, the contact surface of the tension rod and the inner support seat is a conical surface.

As a further improvement of the invention, the hydraulic chuck is mounted on the machine tool table.

As a further improvement of the invention, a cushion block is arranged between the hydraulic chuck and the base.

As a further improvement of the invention, the three pressing mechanisms are distributed at intervals of 120 degrees around the circumference of the main shaft of the hydraulic chuck.

The invention has the beneficial effects that: through the scheme, quick clamping and positioning can be realized, time and labor are saved, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other solutions can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view of a quick clamping and positioning tool of the invention.

Fig. 2 is a schematic cross-sectional view of a quick clamping and positioning tool of the invention.

Fig. 3 is a schematic perspective cross-sectional view of a quick clamping and positioning tool of the invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or assembly must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.

As shown in fig. 1 to 3, a quick clamping and positioning tool is used for quick clamping and positioning of a workpiece 3, and mainly comprises a hydraulic chuck 1, a base 2, a gripper pressing plate 4, a shaft seat 5, a connecting shaft seat 6, a cushion block 7, a cushion block 8, a second mandrel 9, a first mandrel 10, a spindle connecting rod 11, a bolt 12, a connecting flange 13, a spring 14, a tension rod 15, an inner support seat 16, a hydraulic chuck sliding seat 17 and a hydraulic chuck spindle steering flange 18.

The hydraulic chuck 1 is arranged on a machine tool workbench, a main shaft connecting rod 11 is connected with a main shaft steering flange 18 of the hydraulic chuck through threads, two bolts 12 are respectively provided with two springs 14 and then penetrate through a connecting flange 13 to be connected with the main shaft connecting rod 11, one end of a tension rod 15 is connected with the connecting flange 13, and the tension rod 15 is in threaded connection with the connecting flange 13; fixing the three connecting shaft seats 6 and the three cushion blocks 8 in corresponding grooves of a hydraulic chuck sliding seat 17 by using bolts, installing the three cushion blocks 7 on the hydraulic chuck 1, and installing the base 2 on the three cushion blocks 7 through tensioning rods 15; clamping the other end of the tensioning rod 15 by using an inner support seat 16, installing the inner support seat 16 in an avoiding groove of the base 2, and installing the workpiece 3 on the base 2 through the inner support seat 16; one ends of the three paw pressing plates 4 are connected with the connecting shaft seats 6 through the second mandrel 9, the six shaft seats 5 are installed in the avoiding grooves of the base 2, and the first mandrel 10 penetrates through the paw pressing plates 4 and is connected with the shaft seats 5.

The hydraulic chuck is characterized in that a first inclined plane is arranged on the hydraulic chuck sliding seat 17, a second inclined plane is arranged on the hydraulic chuck spindle steering flange 18, the first inclined plane is attached to the second inclined plane to form a wedge-shaped structure, when the hydraulic chuck spindle steering flange 18 moves up and down, the hydraulic chuck sliding seat 17 is driven to move left and right, so that the connecting shaft seat 6 is driven to move left and right, the lower end of the gripper pressing plate 4 moves left and right, the gripper pressing plate 4 is driven to rotate, opening or tightening actions are carried out, and automatic clamping and loosening of workpieces are achieved.

The size of the inner hole of the connecting flange 13 is designed to be slightly larger than the size of the outer diameter of the bolt 12, the contact surface of the tension rod 15 and the inner support seat 16 is designed to be a conical surface, after the connecting flange 13 moves upwards, the spring 14 is compressed to form elastic force, the elastic force of the spring 14 is utilized to provide clamping force for the inner support seat 16, the workpiece 3 is clamped, meanwhile, the automatic alignment positioning function is provided for the workpiece 3, and the installation is also convenient.

The quick clamping and positioning tool provided by the invention has the following advantages:

1. the quick clamping and positioning tool structure utilizes the elasticity of the spring to provide a clamping force for the inner support seat, so that labor and time are saved in the workpiece installation process, and the production efficiency is improved.

2. The quick clamping and positioning tool structure has the characteristics of convenience in clamping and positioning, simple structure, convenience in manufacturing, low cost, safety, reliability and the like.

3. The quick clamping and positioning tool structure utilizes the wedge-shaped structure of the hydraulic chuck to realize the automatic clamping and loosening of the workpiece.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.