CN215824885U

CN215824885U - Machining clamp for side bearing seat of steel smelting furnace

Info

Publication number: CN215824885U
Application number: CN202121840334.1U
Authority: CN
Inventors: 山承伟; 山蒙奇; 金博雄
Original assignee: Suzhou Shanhua Precision Machinery Co ltd
Current assignee: Suzhou Shanhua Precision Machinery Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-02-15
Anticipated expiration: 2031-08-09

Abstract

The utility model relates to a machining clamp for a bearing seat on a steel smelting furnace side, which comprises a base, an oil cylinder, a hydraulic motor, a bidirectional screw rod, an upper lifting fixture block and a lower lifting fixture block, wherein the base is provided with a bearing seat; the cylinder body of the oil cylinder is connected with the side face of the base, a pressing block is arranged at the tail end of a piston rod of the oil cylinder, and a cushion block is arranged at the bottom of the oil cylinder; the hydraulic motor is vertically arranged at the top end of the base, the bidirectional screw rod is coaxially connected with a rotating shaft of the hydraulic motor, and the bidirectional screw rod is movably connected with a bearing seat on the base through a bearing; the upper lifting fixture block and the lower lifting fixture block are respectively movably connected with the two sections of threads of the bidirectional screw rod. The utility model realizes the compressing positioning and the inner supporting positioning of the bearing seat through the clamping block driven by the hydraulic oil cylinder and the hydraulic motor, and avoids the positioning clamping failure of the bearing seat in the long-time machining process by utilizing the principle that hydraulic oil is taken as liquid and can not be compressed, thereby avoiding the bad phenomenon of displacement of the bearing seat.

Description

Machining clamp for side bearing seat of steel smelting furnace

Technical Field

The utility model relates to a machining clamp, in particular to a machining clamp for a bearing seat on a side of a steel smelting furnace.

Background

The steel smelting furnace is used for smelting steel, and the structure of the steel smelting furnace is mostly in a barrel shape, and molten steel in a molten state can be poured out in a turnover mode.

The side bearing block of the steel smelting furnace for positioning the bearing is positioned on the side surface of the steel smelting furnace, and in the machining process of the side bearing block of the steel smelting furnace, the bearing block is large in size and heavy in weight and needs to be fixed on a vertical surface for operations such as drilling, reaming, milling and the like.

Most of the existing clamps adopt a cylinder to compress tightly and bolt tightening mode to position the bearing seat, but the weight of the bearing seat is large, and the bearing seat is easy to displace relative to the clamps due to the small force of the cylinder, loose bolts and other reasons in the long-time machining process, so that the risk of bearing seat scrapping is high.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the utility model provides a steel smelting pot side bearing frame machine tooling anchor clamps, through hydraulic cylinder and hydraulic motor driven fixture block, realize compressing tightly location and the internal stay location to the bearing frame, replace original cylinder to compress tightly and the bolt tightening's locate mode, utilize hydraulic oil as the incompressible principle of liquid, avoid the location clamping of bearing frame to lose efficacy in long-time machine tooling process to avoid the bad phenomenon of displacement to appear in the bearing frame.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a machining clamp for a bearing seat on one side of a steel smelting furnace comprises a base, an oil cylinder, a hydraulic motor, a bidirectional screw rod, an upper lifting fixture block and a lower lifting fixture block; the cylinder body of the oil cylinder is connected with the side face of the base, a pressing block is arranged at the tail end of a piston rod of the oil cylinder, and a cushion block is arranged at the bottom of the oil cylinder; the hydraulic motor is vertically arranged at the top end of the base, the bidirectional screw rod is coaxially connected with a rotating shaft of the hydraulic motor, and the bidirectional screw rod is movably connected with a bearing seat on the base through a bearing; the upper lifting fixture block and the lower lifting fixture block are respectively movably connected with two sections of threads of the bidirectional screw rod, the upper lifting fixture block and the lower lifting fixture block are respectively provided with a hook part, the two hook parts are arranged in opposite directions, and the upper lifting fixture block and the lower lifting fixture block are both movably connected with the guide rail on the base.

Furthermore, a straight line where a piston rod of the oil cylinder is located is vertical to the side face of the base; the pressing block corresponds to the cushion block in position.

Furthermore, hydraulic motor, two-way lead screw and guide rail all are located the base and keep away from one side of hydro-cylinder, go up the straight line that goes up and down the fixture block and all run through the groove with going up and down on the fixture block.

Furthermore, the hook part is L-shaped, and the tail end of the hook part is provided with a chamfer angle structure; the guide rail is parallel to the bidirectional screw rod.

Furthermore, a bottom supporting plate is arranged at the bottom of the side surface of the base and horizontally arranged below the lower lifting fixture block.

The utility model has the beneficial effects that: the utility model provides a steel smelting pot side bearing frame machine tooling anchor clamps, through the hydro-cylinder, the briquetting, the cushion, hydraulic motor, two-way lead screw, go up the cooperation use of going up and down the lift fixture block, the realization is to the location and the internal stay location of compressing tightly of bearing frame, replace the positioning method that original cylinder compresses tightly and bolt tightening, utilize hydraulic oil as the principle that liquid can not be compressed, stabilize the bearing frame, the location clamping that lasts, avoid the location clamping to the bearing frame in long-time machine tooling process to become invalid, thereby avoid the bad phenomenon of displacement to appear in the bearing frame, ensure the machining precision, be favorable to reducing the processing disability rate of bearing frame work piece by a wide margin.

Drawings

FIG. 1 is a schematic view showing the overall structure of a machining jig for a side bearing housing of a steel melting furnace according to the present invention.

FIG. 2 is a schematic view of another aspect of the present invention for a steel furnace side bearing housing machining fixture.

FIG. 3 is a schematic view of a machining fixture for a side bearing housing of a steel melting furnace according to another aspect of the present invention.

In the figure: 1. a base; 2. an oil cylinder; 3. briquetting; 4. cushion blocks; 5. a hydraulic motor; 6. a bidirectional screw rod; 7. a bearing seat; 8. lifting the fixture block; 9. a lower lifting fixture block; 10. a guide rail; 11. a bottom supporting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 3, a machining fixture for a side bearing seat of a steel smelting furnace comprises a base 1, an oil cylinder 2, a hydraulic motor 5, a bidirectional screw rod 6, an upper lifting fixture block 8 and a lower lifting fixture block 9; the cylinder body of the oil cylinder 2 is connected with the side face of the base 1, a pressing block 3 is arranged at the tail end of a piston rod of the oil cylinder 2, the oil cylinder 2 is used for driving the pressing block 3 to act so as to realize pressing and loosening actions, a cushion block 4 is arranged at the bottom of the oil cylinder 2, and the cushion block 4 is used for playing a role in supporting and positioning; the hydraulic motor 5 is vertically arranged at the top end of the base 1, the bidirectional screw rod 6 is coaxially connected with a rotating shaft of the hydraulic motor 5, the hydraulic motor 5 is used for driving the bidirectional screw rod 6 to rotate, and the bidirectional screw rod 6 is movably connected with a bearing seat on the base 1 through a bearing; the upper lifting fixture block 8 and the lower lifting fixture block 9 are respectively movably connected with two sections of threads of the bidirectional screw rod 6, when the bidirectional screw rod 6 rotates, the upper lifting fixture block 8 and the lower lifting fixture block 9 are close to each other or separated from each other, the upper lifting fixture block 8 and the lower lifting fixture block 9 are respectively provided with a fixture portion, the two fixture portions are arranged in opposite directions, therefore, the inside of the bearing seat can be clamped in an inner supporting manner, the upper lifting fixture block 8 and the lower lifting fixture block 9 are both movably connected with the guide rail 10 on the base 1, and the guide rail 10 is used for guiding and reducing friction.

A straight line where a piston rod of the oil cylinder 2 is located is vertical to the side face of the base 1; the pressing block 3 corresponds to the cushion block 4 in position.

Hydraulic motor 5, two-way lead screw 6 and guide rail 10 all are located base 1 and keep away from one side of hydro-cylinder 2, go up lift fixture block 8 and lift fixture block 9 down and all run through the straight line on the base 1 and lead to the groove, go up lift fixture block 8 and lift fixture block 9 down and all follow the straight line and lead to the groove and slide.

The hook part is L-shaped and can clamp the inner side of the bearing seat, and the tail end of the hook part is provided with a chamfer angle structure for guiding; the guide rail 10 is parallel to the bidirectional screw rod 6.

A bottom supporting plate 11 is arranged at the bottom of the side surface of the base 1, and the bottom supporting plate 11 is horizontally arranged below the lower lifting fixture block 9; bottom fagging 11 is flat and the level setting, bottom fagging 11 is used for carrying out the bottom location to the bearing frame work piece, can be as the benchmark when the bearing frame is put into, can avoid the bearing frame work piece tenesmus simultaneously.

The working principle of the utility model is as follows: firstly, piston rods of four oil cylinders 2 are all in an extending state, a pressing block 3 is in abdication, an upper lifting clamping block 8 and a lower lifting clamping block 9 are in a close state, a bearing seat workpiece to be machined can be placed in the oil cylinders, after the bearing seat workpiece is placed in the oil cylinders, the bearing seat workpiece is tightly attached to the side wall of a base 1, a rotating shaft of a hydraulic motor 5 drives a bidirectional screw rod 6 to rotate, the upper lifting clamping block 8 and the lower lifting clamping block 9 respectively ascend and descend along a guide rail 10, and therefore clamping hook portions of the upper lifting clamping block and the lower lifting clamping block are clamped inside the bearing seat workpiece to form inner support positioning; piston rods of the last four oil cylinders 2 drive the pressing block 3 to retract, and the pressing block 3 presses the edge of the bearing seat workpiece onto the cushion block 4, so that the bearing seat workpiece is positioned and clamped; the driving media of the oil cylinder 2 and the hydraulic motor 5 are hydraulic oil and can hardly be compressed, so that the pressing force of the pressing block 3 and the clamping forces of the upper lifting clamping block 8 and the lower lifting clamping block 9 can be ensured, and the bearing seat is stably and continuously positioned and clamped.

The above examples are intended to further illustrate the present invention, but are not intended to limit the utility model to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.

Claims

1. The utility model provides a steel smelting pot side bearing frame machine tooling anchor clamps which characterized in that: comprises a base (1), an oil cylinder (2), a hydraulic motor (5), a bidirectional screw rod (6), an ascending and descending clamping block (8) and a descending and ascending clamping block (9); the cylinder body of the oil cylinder (2) is connected with the side face of the base (1), a pressing block (3) is arranged at the tail end of a piston rod of the oil cylinder (2), and a cushion block (4) is arranged at the bottom of the oil cylinder (2); the hydraulic motor (5) is vertically arranged at the top end of the base (1), the bidirectional screw rod (6) is coaxially connected with a rotating shaft of the hydraulic motor (5), and the bidirectional screw rod (6) is movably connected with a bearing seat on the base (1) through a bearing; the lifting fixture block (8) and the lower lifting fixture block (9) are respectively movably connected with two sections of threads of the bidirectional screw rod (6), the lifting fixture block (8) and the lower lifting fixture block (9) are respectively provided with a hook portion, the two hook portions are arranged in opposite directions, and the lifting fixture block (8) and the lower lifting fixture block (9) are respectively movably connected with a guide rail (10) on the base (1).

2. The steel furnace side bearing housing machining jig of claim 1, wherein: a straight line where a piston rod of the oil cylinder (2) is located is vertical to the side face of the base (1); the pressing block (3) corresponds to the cushion block (4).

3. The steel furnace side bearing housing machining jig of claim 2, wherein: hydraulic motor (5), two-way lead screw (6) and guide rail (10) all are located base (1) and keep away from one side of hydro-cylinder (2), go up and down fixture block (8) and go up and down straight line through groove on fixture block (9) all run through base (1).

4. The steel furnace side bearing housing machining jig of claim 3, wherein: the hook part is L-shaped, and the tail end of the hook part is provided with a chamfer angle structure; the guide rail (10) is parallel to the bidirectional screw rod (6).

5. The steel furnace side bearing housing machining jig of claim 4, wherein: the bottom of the side surface of the base (1) is provided with a bottom supporting plate (11), and the bottom supporting plate (11) is horizontally arranged below the lower lifting fixture block (9).