CN215146376U - Universal harness for rolling smooth holed workpiece - Google Patents

Abstract

The utility model relates to a universal mounting tool for rolling light band hole workpieces, which comprises a taper handle, a universal component and a clamping mandrel component, the universal assembly is arranged on the taper handle and is provided with a universal end, the clamping mandrel assembly comprises a side cover shaft, a slide block cover and two side cover slide blocks, the side cover shaft is connected with the universal end through a screw thread pair, one side of the side cover shaft, which is far away from the universal end, is provided with a sliding groove along the radial direction of the side cover shaft, the side cover sliding blocks slide along the sliding grooves, an elastic piece is arranged between the side cover sliding blocks, the elastic piece synchronously pushes the two side cover sliding blocks to be away from each other, each side cover sliding block is higher than the profile of a side cover shaft under the pushing action of the elastic piece, each side cover sliding block hooks the sliding grooves when the distance between the side cover sliding blocks is maximum, the sliding block cover is fixedly arranged on the side cover shaft so as to cover the side cover sliding block, and can drive the surface to be processed of the workpiece to automatically adjust the direction.

Description

Universal harness for rolling smooth holed workpiece

Technical Field

The utility model relates to a harness technical field especially relates to a roll extrusion light band hole universal harness for work piece.

Background

The prior art rolling polishing harness adopts a hard roller or a roller to roll a workpiece repeatedly and rub the workpiece when rolling the polished workpiece, generally adopts a bearing to realize the circular reciprocating rolling motion of the roller in order to ensure that the roller or the roller acts on the workpiece repeatedly, but the prior harness has the problem that the prior harness cannot adapt to the trend of the surface of the workpiece, and the product after rolling polishing usually has uneven planar rolling light effect and cannot meet the requirements.

SUMMERY OF THE UTILITY MODEL

For overcoming the technical defect that prior art exists, the utility model provides a roll extrusion light band hole universal harness for work piece can drive the work piece and treat that machined surface automatic adjustment is directional.

The utility model discloses a technical solution be:

universal harness ware is used to roll extrusion light band hole work piece, including tapering handle, universal subassembly and clamping mandrel subassembly, universal subassembly installs on the tapering handle and universal subassembly has universal end, clamping mandrel subassembly includes side cover axle, slider lid and two side cap sliders, side cover axle passes through screw thread pair with universal end and is connected, the universal end one side of keeping away from of side cover axle is equipped with along the sliding tray of side cap axle radial trend, the side cap slider slides along the sliding tray, each have the elastic component between the side cap slider, the elastic component pushes away two side cap sliders and keeps away from each other in step, each the slider pushes away at the elastic component and pushes away to be higher than side cap axle profile down, each the sliding tray all catches on when side cap slider distance is the biggest, the slider lid is adorned admittedly on the side cap is epaxial and then covers the side cap slider.

Preferably, a limiting groove is formed in the middle of the sliding groove, limiting steps are integrally arranged on each side cover sliding block, the limiting steps are located in the limiting grooves, and the height of each limiting step is larger than the depth of each limiting groove.

Preferably, the elastic member is a spring, and the spring acts in a direction to separate the two side cover sliders from each other.

Preferably, the side of each side cover slider away from the elastic piece is arc-shaped.

Preferably, each side cover slider is internally provided with an accommodating cavity, and the elastic piece is arranged in the elastic accommodating cavity.

Preferably, universal subassembly includes base plate, universal sphere, universal board and mounting panel, the base plate is adorned admittedly on the tapering handle, universal sphere is adorned admittedly on the base plate, the universal board have with the universal sphere concave surface of universal sphere adaptation, install and have the clearance between each hook bolt and the base plate through the hook bolt between universal board and the base plate, the clearance has between universal board and the base plate, the mounting panel is adorned admittedly on the universal board and the mounting panel passes through screw thread pair with the side cap axle and is connected.

The utility model has the advantages that:

the universal assembly is arranged on the taper handle and is provided with a universal end, the clamping mandrel assembly comprises a side cover shaft, a slide block cover and two side cover slide blocks, the side cover shaft is connected with the universal end through a thread pair, the universal end of the universal assembly enables the axis of the side cover shaft to swing randomly in a conical area so as to realize universal swing of the side cover shaft, the surface to be processed of a workpiece can be driven to automatically adjust direction, the workpiece is arranged on the side cover shaft, the surface to be processed can adapt to the trend of a roller burnishing tool, one side of the side cover shaft, far away from the universal end, is provided with a slide groove along the radial trend of the side cover shaft, the side cover slide blocks slide along the slide groove, an elastic piece is arranged between the side cover slide blocks, the elastic piece synchronously pushes the two side cover slide blocks to be far away from each other, each side cover slide block is higher than the outline of the side cover shaft under the pushing of the elastic piece, an inner hole of the workpiece to be processed is arranged on the side cover shaft when the workpiece with a hole is processed, the elastic piece pushes up two side cap sliders in step and extrudes the hole of waiting to process the work piece, all catches on the sliding tray and then prevents that each side cap slider from deviating from in the sliding tray when each side cap slider distance is the biggest.

In addition, the sliding grooves are hooked when the distance between the side cover sliding blocks is the maximum, so that the side cover sliding blocks cannot directly slide into the sliding grooves for installation, the side cover sliding blocks are required to be placed into the sliding grooves from the axial direction of the side cover shaft, the sliding block cover is fixedly arranged on the side cover shaft to cover the side cover sliding blocks, the side cover sliding blocks are limited after the side cover sliding blocks are placed into the sliding grooves from the axial direction of the side cover shaft, and the side cover sliding blocks cannot fall off.

Drawings

Fig. 1 is a schematic overall sectional view of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is a schematic view of a side cover slider structure.

Fig. 4 is a schematic cross-sectional view of the side cover shaft structure.

Fig. 5 is a schematic view of the structure of the sliding groove.

Description of reference numerals:

1. a tapered handle;

2. a gimbal assembly; 21. a substrate; 22. a universal spherical surface; 23. a universal plate; 24. mounting a plate; 25. hooking bolts;

3. clamping the mandrel assembly; 31. a side cover shaft; 311. a sliding groove; 3111. a limiting groove; 32. a slider cover; 33. a side cover slider; 331. a limiting step; 332. an accommodating cavity; 34. an elastic member.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-5, the present embodiment provides a universal fixture for a rolled smooth-bored workpiece, including a taper shank 1, a universal assembly 2 and a clamping mandrel assembly 3, wherein the universal assembly 2 is mounted on the taper shank 1, the universal assembly 2 has a universal end, the clamping mandrel assembly 3 includes a side cover shaft 31, a slider cover 32 and two side cover sliders 33, the side cover shaft 31 is connected with the universal end through a screw pair, the universal end of the universal assembly 2 enables the axis of the side cover shaft 31 to swing freely in a conical region, so as to achieve universal swing of the side cover shaft 31, the workpiece is mounted on the side cover shaft 31, so that the surface to be processed can adapt to the direction of a rolled smooth tool, a sliding groove 311 along the radial direction of the side cover shaft 31 is provided on the side of the side cover shaft 31 away from the universal end, the side cover sliders 33 slide along the sliding groove 311, an elastic member 34 is provided between the side cover sliders 33, the elastic member 34 synchronously pushes the two side cover sliders 33 away from each other, each side cover sliding block 33 is higher than the profile of the side cover shaft 31 under the pushing of the elastic piece 34, when a workpiece with holes is processed, the inner hole of the workpiece to be processed is arranged on the side cover shaft 31, the elastic piece 34 synchronously pushes the two side cover sliding blocks 33 to extrude the inner hole of the workpiece to be processed, each side cover sliding block 33 hooks the sliding groove 311 when the distance between the side cover sliding blocks 33 is maximum, thereby preventing each side cover sliding block 33 from being separated from the sliding groove 311, in addition, it is noted that, since each side cover slider 33 hooks the sliding groove 311 when the distance is the maximum, each side cover slider 33 cannot be directly slid into the sliding groove 311 for installation in practice, so that each side cover slider 33 must be placed into the slide groove 311 from the axial direction of the side cover shaft 31, the slider cover 32 is fixedly mounted on the side cover shaft 31 to cover the side cover slider 33, to restrain the side cover 33 after each side cover 33 is placed into the sliding groove 311 from the axial direction of the side cover shaft 31, so that the side cover 33 will not fall off.

The elastic piece 34 is a spring, the action direction of the spring enables the two side cover sliding blocks 33 to be separated from each other, the accommodating cavity 332 is formed in each side cover sliding block 33, the elastic piece 34 is installed in the elastic accommodating cavity 332, the spring is restrained from being bent all the time, the spring pushes the two side cover sliding blocks 33 to enable the two side cover sliding blocks 33 to clamp the inner hole of the workpiece to be machined, one side, away from the elastic piece 34, of each side cover sliding block 33 is arc-shaped, the side of each side cover sliding block 33 can be further close to the inner hole of the workpiece to be machined, the workpiece to be machined is prevented from falling off from the side cover shaft 31, a limiting groove 3111 is formed in the middle of the sliding groove 311, each side cover sliding block 33 is integrally provided with a limiting step 331, the limiting step 331 is located in the limiting groove 3111, the height of the limiting step 331 is larger than the depth of the limiting groove 3111, and further the side cover sliding blocks 33 are prevented from falling off from the sliding groove 311.

The universal assembly 2 comprises a base plate 21, a universal spherical surface 22, a universal plate 23 and a mounting plate 24, the base plate 21 is fixedly mounted on the taper handle 1, the universal spherical surface 22 is fixedly mounted on the base plate 21 through a locking screw, the universal plate 23 is provided with a universal spherical concave surface matched with the universal spherical surface 22, the universal plate 23 and the base plate 21 are mounted through hook bolts 25, gaps are reserved between the hook bolts 25 and the base plate 21, gaps are reserved between the universal plate 23 and the base plate 21, the universal plate 23 can conveniently slide along the universal spherical surface 22 to enable the universal plate 23 to form a universal end, the mounting plate 24 is fixedly mounted on the universal plate 23 in a welding mode, and the mounting plate 24 is connected with the side cover shaft 31 through a thread pair.

Having shown and described the fundamental principles and the principal features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (6)

1. The universal fixture for rolling the smooth punched workpiece is characterized by comprising a taper handle, a universal assembly and a clamping mandrel assembly, wherein the universal assembly is installed on the taper handle and is provided with a universal end, the clamping mandrel assembly comprises a side cover shaft, a slider cover and two side cover sliders, the side cover shaft is connected with the universal end through a thread pair, one side, far away from the universal end, of the side cover shaft is provided with a sliding groove along the radial direction of the side cover shaft, the side cover sliders slide along the sliding groove, an elastic piece is arranged between the side cover sliders and synchronously pushes the two side cover sliders to be away from each other, each side cover slider is higher than the outline of the side cover shaft under the pushing action of the elastic piece, each side cover slider hooks the sliding groove when the distance between the side cover sliders is the maximum, and a slider cover is fixedly installed on the side cover shaft and further covers the side cover sliders.

2. The universal fixture for rolling smooth bored workpieces according to claim 1, wherein a retaining groove is formed in the middle of the sliding groove, each of the side cover sliders is integrally provided with a retaining step, the retaining step is located in the retaining groove, and the height of the retaining step is greater than the depth of the retaining groove.

3. A universal harness for rolling optically bored workpieces according to claim 1 wherein said resilient member is a spring acting in a direction to separate said side cover slides from each other.

4. The universal fixture for rolling optically bored workpieces according to claim 1, wherein each of said side cover slides is arcuate on a side remote from said resilient member.

5. A universal fixture for rolling smooth bored workpieces according to claim 1 wherein each side cover slide has a receiving cavity therein and said resilient member is mounted in the resilient receiving cavity.

6. The universal fixture for rolling smooth bored workpieces according to claim 1, wherein the universal assembly comprises a base plate, a universal spherical surface, a universal plate and a mounting plate, the base plate is fixedly mounted on the taper shank, the universal spherical surface is fixedly mounted on the base plate, the universal plate is provided with a universal spherical concave surface adapted to the universal spherical surface, the universal plate and the base plate are mounted through hook bolts, gaps are formed between the hook bolts and the base plate, gaps are formed between the universal plate and the base plate, the mounting plate is fixedly mounted on the universal plate, and the mounting plate is connected with the side cover shaft through a screw pair.

Images