CN218746180U

CN218746180U - Spring wedge type auxiliary support

Info

Publication number: CN218746180U
Application number: CN202122051595.1U
Authority: CN
Inventors: 杨书根; 朱宗彬; 李才华; 刘礼宁
Original assignee: Yancheng Institute of Industry Technology
Current assignee: Yancheng Institute of Industry Technology
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2023-03-28
Anticipated expiration: 2031-08-19

Abstract

The utility model relates to a machinery manufacturing industry, specifically be spring wedge type auxiliary bearing, it includes rear end housing, piston, oil cylinder section, oil cylinder lid, bush one, voussoir, first nut, double-screw bolt, lag, ring flange, push rod, roller, stop iron, bush two, spring, second nut, oil cylinder support oil return port oil feed, promote the piston to retreat, the voussoir advances under the effect of spring, drives the push rod to rise, realizes double-screw bolt contact work piece, and the auto-lock; an oil inlet of the rear end cover is filled with oil, the piston is pushed to move forwards, the wedge block is made to retreat, the push rod is driven to descend, the stud is separated from the workpiece, and the function of auxiliary supporting is achieved. Simple structure is reliable, the operation of being convenient for, and is efficient.

Description

Spring wedge type auxiliary support

The technical field is as follows:

the utility model relates to a machinery manufacturing industry specifically is spring wedge type auxiliary bearing.

Background art:

in the machining process, due to the structural factor of the workpiece, the rigidity and the strength of the machined part of the workpiece are insufficient, the workpiece is easy to deform in machining, the precision of the workpiece is poor, and the drawing requirements cannot be met. Under the current situation, most of the common auxiliary supports are supported at positions with insufficient rigidity, so that the rigidity of workpieces during machining is increased, but the common auxiliary supports are expensive; and secondly, common oil is adopted to be arranged at a workpiece processing station to increase the rigidity of the workpiece, but the thrust of the oil cylinder is large, so that the workpiece is deformed when contacting the workpiece, and the processing quality of the workpiece cannot be ensured.

The invention content is as follows:

an object of the utility model is to provide a simple structure, be convenient for operation, efficient, the reliable spring wedge block formula auxiliary bearing of locking

The technical scheme of the utility model is that: the spring wedge block type auxiliary support comprises a rear end cover, a piston, a cylinder barrel, a cylinder cover, a first bushing, a wedge block, a first nut, a stud, a protective sleeve, a flange plate, a push rod, a roller, a stop iron, a second bushing, a spring, a second nut and a cylinder support, wherein the rear end cover is installed on the cylinder support, the piston is installed in a cylinder barrel hole, the cylinder barrel is installed in a step hole at the left end of the cylinder support, the cylinder cover is installed at the right end of the step hole at the left end of the cylinder support, the piston passes through a center hole of the cylinder cover, the first bushing is installed in the cylinder support hole, the left end of the first bushing is in contact with the cylinder cover, the flange plate is installed in a vertical hole of the cylinder support, the push rod is installed in a flange plate hole, the protective sleeve is installed at the upper end of the push rod, the stud is installed in a threaded hole of the push rod, the first nut is screwed on the stud through threads, the roller is fixed in a semicircular hole of the push rod, the second bushing is installed in a guide groove of the cylinder support, the wedge block is installed in a threaded hole of the cylinder support, and the second bushing is screwed in the cylinder support.

The wedge block is milled with a self-locking angle of 8-12 degrees, a guide groove with the same angle as the upper surface is formed in the lower portion of the wedge block, and the second nut is installed in the oil cylinder support. The second nut is screwed to adjust the spring force, so that the thrust of the wedge block is controlled, the push rod is lifted, and self-locking is realized.

And an oil inlet of the rear end cover is filled with oil to push the piston to move forward and drive the wedge block to move backward, so that the push rod is lowered.

The utility model has the advantages as follows: the oil cylinder supports an oil return port to feed oil, the piston is pushed to retreat, the wedge block moves forward under the action of the spring to drive the push rod to ascend, and the stud is in contact with a workpiece and is self-locked; an oil inlet of the rear end cover is filled with oil, the piston is pushed to move forwards, the wedge block is made to retreat, the push rod is driven to descend, the stud is separated from the workpiece, and the function of auxiliary supporting is achieved. Simple structure is reliable, the operation of being convenient for, and is efficient.

Description of the drawings:

the invention is further described with reference to the following figures and examples.

Fig. 1 is a structural diagram of the present invention.

The specific implementation mode is as follows:

as shown in fig. 1, the spring wedge type auxiliary bearing includes a rear end cover 1, a piston 2, a cylinder barrel 3, a cylinder head 4, a first bushing 5, a wedge 6, a first nut 7, a stud 8, a boot 9, a flange 10, a push rod 11, a roller 12, a stopper 13, a second bushing 14, a spring 15, a second nut 16, and a cylinder support 17, wherein the rear end cover 1 is mounted on the cylinder support 17, the piston 2 is mounted in a bore of the cylinder barrel 3, the cylinder barrel 3 is mounted in a stepped bore at the left end of the cylinder support 17, the cylinder head 4 is mounted at the right end of the stepped bore at the left end of the cylinder support 17, the piston 2 passes through the central bore of the cylinder head 4, the first bushing 5 is mounted in the bore of the cylinder support 17, the left end contacts the cylinder head 4, the flange 10 is mounted in a vertical bore of the cylinder support 17, the push rod 11 is mounted in a bore of the flange 10, the boot 9 is mounted at the upper end of the push rod 11, the stud 8 is mounted in a threaded bore of the push rod 11, the nut 7 is screwed on the stud 8, the roller is fixed in a semicircular bore of the push rod 11, the second bushing 14 is mounted in a bore of the cylinder support 17, the bushing 14 is mounted in contact with the right side of the bushing 6, the bushing 14, the bushing 6, the roller is mounted in the bushing 14, and the bushing 16, the bushing 14, the roller is mounted in the bushing 16, and mounted in the bushing 14, the bushing 6, the bushing 14, and mounted in the bushing 15. A self-locking angle of 8-12 degrees is milled on the wedge block 6, and a guide groove with the same angle as the upper surface is formed below the self-locking angle; the second nut 16 is mounted in a cylinder support 17. The second nut 16 is screwed to adjust the spring force, so that the thrust of the wedge block 6 is controlled, and the push rod 11 is lifted and self-locked.

An oil inlet of the rear end cover 1 is filled with oil, the piston 2 is pushed to move forwards, the wedge block 6 is driven to move backwards, and the push rod 11 is lowered.

The specific working principle is as follows: an oil return port of an oil cylinder support 17 takes oil to push the piston 2 to retreat, the wedge block 6 moves forward under the action of the spring 15 to drive the push rod 11 to ascend, and the stud 8 is in contact with a workpiece and is self-locked; an oil inlet of the rear end cover 1 is filled with oil, the piston 2 is pushed to advance, the wedge block 6 is retreated, and the push rod 11 is driven to descend. The stud 8 is separated from the workpiece, and the function of auxiliary support is achieved.

Claims

1. The spring wedge type auxiliary support is characterized by comprising a rear end cover (1), a piston (2), an oil cylinder barrel (3), an oil cylinder cover (4), a first bush (5), a wedge block (6), a first nut (7), a stud (8), a protective sleeve (9), a flange plate (10), a push rod (11), a roller (12), a stop iron (13), a second bush (14), a spring (15), a second nut (16) and an oil cylinder support (17), wherein the rear end cover (1) is arranged on the oil cylinder support (17), the piston (2) is arranged in a hole of the oil cylinder barrel (3), the oil cylinder barrel (3) is arranged in a step hole at the left end of the oil cylinder support (17), the oil cylinder cover (4) is arranged at the right end of the step hole at the left end of the oil cylinder support (17), the piston (2) passes through a central hole of the oil cylinder cover (4), the first bush (5) is arranged in the hole of the oil cylinder support (17), the left end is in contact with the oil cylinder cover (4), the flange plate (10) is arranged in a vertical hole of the oil cylinder support (17), the push rod (11), the stud (11) is arranged in the hole, the protective sleeve (9) passes through the nut (8), the screw thread hole (11), and the first nut (11) is arranged on the screw thread hole (8), the roller (12) is fixed in a semicircular hole of the push rod (11), the bushing II (14) is installed in a right hole of the cylinder support (17), the left end of the bushing II is in contact with the flange plate (10), the wedge block (6) is installed in the bushing I (5) and the bushing II (14) and penetrates through a square hole of the push rod (11) to be in contact with the roller (12), the stop iron (13) is installed in a hole below the flange plate (10) and is installed in a guide groove of the wedge block (6), the spring (15) is installed in a hole of the bushing II (14), and the second nut (16) is screwed in the cylinder support (17) through threads.

2. The spring-wedge auxiliary bearing as claimed in claim 1, wherein the wedge (6) is milled with a self-locking angle of 8 to 12 degrees on the upper surface and a guide groove with the same angle as the upper surface is formed on the lower surface.

3. The spring wedge type auxiliary support according to claim 1, wherein the second nut (16) is installed in the cylinder support (17), and the second nut (16) is screwed to adjust the magnitude of the spring force, so that the thrust of the wedge (6) is controlled, and the push rod (11) is lifted and self-locked.

4. The spring wedge block type auxiliary support according to claim 1, wherein the piston (2) is pushed forward by feeding oil from an oil inlet of the rear end cover (1) to drive the wedge block (6) to retreat, thereby realizing the descending of the push rod (11).