Pre-cutting device for bearing steel pipe

Abstract

The utility model relates to the technical field of cutting, in particular to a bearing steel pipe pre-cutting device which comprises a cutting table and a V-shaped containing groove formed in the top of the cutting table. The portal frame is fixedly mounted at the top of the cutting table; a pressing feeding assembly; the first hydraulic cylinder is fixedly mounted at the top of the portal frame. The first hydraulic cylinder controls the first mounting frame to move downwards until the pressing feeding wheel makes contact with the bearing steel pipe, the pressing feeding wheel can abut against and be fixed in the V-shaped containing groove, then during cutting, the first driving motor controls the pressing feeding wheel to rotate, and the bearing steel pipe can be driven to move by means of friction force between the pressing feeding wheel and the bearing steel pipe; in other words, when multiple sections of the bearing steel pipe need to be cut, the first driving motor only needs to control rotation and locking of the pressing feeding wheel every time, so that repeated clamping and loosening operation on the bearing steel pipe is not needed, and the cutting efficiency of the multiple sections of the bearing steel pipe can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting technical field especially relates to a pre -cutting device of bearing steel pipe. BACKGROUND

[0002] Rolling bearing is important basic spare part that application is extremely widespread in mechanical industry, and a large number of bearings are also used in textile machinery, and the bearing is an important part in textile machinery, and its main function is to support the rotating body of machine, reduce the friction coefficient in its movement process, and ensure its rotation accuracy, when the bearing is produced, a long steel pipe is cut, so that the steel pipe forms a section of steel ring.

[0003] In the prior art, the bearing steel pipe is generally cut by the pressing knife, before cutting the bearing steel pipe, the operator needs to clamp and fix the bearing steel pipe, then cut a section down, then release the fixing of the bearing steel pipe, and move the bearing steel pipe until the next cutting position is opposite to the pressing knife, then the bearing steel pipe needs to be fixed again, so as to realize the multi-section cutting of the bearing steel pipe by reciprocating, that is, the bearing steel pipe needs to be clamped and released frequently, and the cutting efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems in the background art, and provides a pre -cutting device of bearing steel pipe.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A pre -cutting device of bearing steel pipe, comprising:

[0007] A cutting table and a V-shaped placing groove formed in the top of the cutting table;

[0008] A gantry is fixedly installed on the top of the cutting table;

[0009] A pressing and feeding assembly comprises a first hydraulic cylinder fixedly installed on the top of the gantry, the driving end of the first hydraulic cylinder is movably penetrated through the top of the gantry and is fixedly installed with a first mounting bracket, a pressing and feeding wheel is rotatably installed in the first mounting bracket, and a first driving motor for driving the pressing and feeding wheel to rotate is fixedly installed on the outer side of the first mounting bracket;

[0010] A cutting assembly comprises a fixed plate fixedly installed on the front side of the gantry, a second hydraulic cylinder is fixedly installed on the top of the fixed plate, the driving end of the second hydraulic cylinder is penetrated through the top of the fixed plate and is fixedly installed with a second mounting bracket, a pressing knife is rotatably installed in the second mounting bracket, and a second driving motor for driving the pressing knife to rotate is fixedly installed on the outer side of the second mounting bracket.

[0011] Preferably, the two sides of the first mounting frame are fixedly installed with fixed rods, a limiting rod is slidably penetrated on each fixed rod, and the limiting rod is fixedly installed between the cutting table and the gantry.

[0012] Preferably, a plurality of supporting rollers are movably embedded on the two sides of the V-shaped placing groove, and the supporting rollers on the same side are arranged in a linear array.

[0013] Preferably, the front side of the cutting table is provided with a conveying device.

[0014] Preferably, a plurality of convex strips are fixedly installed on the edge of the pressing feeding wheel, and the plurality of convex strips are arranged in a circular array with the pressing feeding wheel as the axis.

[0015] Preferably, a right-angle guide rod is fixedly installed on the outer side of the second mounting frame, and the other end of the right-angle guide rod is slidably penetrated into the bottom of the fixed plate.

[0016] Compared with the prior art, the pre-cutting device for bearing steel pipes has the following advantages:

[0017] The first hydraulic cylinder controls the downward movement of the first mounting frame until the pressing feeding wheel contacts the bearing steel pipe, so that the bearing steel pipe is tightly fixed in the V-shaped placing groove. Then, during cutting, the first driving motor controls the rotation of the pressing feeding wheel, and the friction between the pressing feeding wheel and the bearing steel pipe can drive the bearing steel pipe to move. Therefore, when multiple sections of the bearing steel pipe need to be cut, the rotation and locking of the pressing feeding wheel are controlled by the first driving motor each time, so that the clamping and loosening operations of the bearing steel pipe are not repeated, and the cutting efficiency of multiple sections of the bearing steel pipe is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 FIG. 1 is a first perspective view of a pre-cutting device for bearing steel pipes according to the present application;

[0019] Fig. 2 FIG. 2 is a second perspective view of a pre-cutting device for bearing steel pipes according to the present application;

[0020] Fig. 3 FIG. 3 is a partial view of a pre-cutting device for bearing steel pipes according to the present application.

[0021] In the drawings: 1 cutting table, 2 gantry, 3 first hydraulic cylinder, 4 first mounting frame, 5 pressing feeding wheel, 6 first driving motor, 7 fixed plate, 8 second hydraulic cylinder, 9 second mounting frame, 10 pressing knife, 11 second driving motor, 12 fixed rod, 13 limiting rod, 14 supporting roller, 15 conveying device, 16 convex strip, 17 right-angle guide rod. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] With reference to Figs. 1 to 3 A pre-cutting device of bearing steel pipe, comprising:

[0024] The cutting table 1 and the V-shaped placing groove opened in the top of the cutting table 1, a plurality of supporting rollers 14 are movably embedded on the two sides of the V-shaped placing groove, and the supporting rollers 14 on the same side are arranged in a linear array, so that the friction between the bearing steel pipe and the cutting table 1 can be reduced after the bearing steel pipe is placed on the placing groove, and the bearing steel pipe is conveniently moved by the subsequent pressing feed wheel 5.

[0025] The gantry 2 is fixedly installed on the top of the cutting table 1; the pressing feed assembly comprises a first hydraulic cylinder 3 fixedly installed on the top of the gantry 2, the driving end of the first hydraulic cylinder 3 movably penetrates through the top of the gantry 2 and is fixedly installed with a first mounting bracket 4, a fixed rod 12 is fixedly installed on the two sides of the first mounting bracket 4, a limiting rod 13 is slidably penetrated on each fixed rod 12, and the limiting rod 13 is fixedly installed between the cutting table 1 and the gantry 2, so that the stability of the first hydraulic cylinder 3 when driving the first mounting bracket 4 to move is ensured.

[0026] The pressing feed wheel 5 is rotatably installed in the first mounting bracket 4, a first driving motor 6 for driving the pressing feed wheel 5 to rotate is fixedly installed on the outer side of the first mounting bracket 4, a plurality of convex strips 16 are fixedly installed on the edge of the pressing feed wheel 5, and the plurality of convex strips 16 are arranged in a circular array with the pressing feed wheel 5 as the shaft, so that the friction between the pressing feed wheel 5 and the bearing steel pipe to be cut is increased, and the pressing feed wheel 5 is driven to move by itself under the action of friction when it is in contact with the bearing steel pipe.

[0027] The cutting assembly comprises a fixed plate 7 fixedly installed on the front side of the gantry 2, a second hydraulic cylinder 8 fixedly installed on the top of the fixed plate 7, a second mounting bracket 9 fixedly installed on the driving end of the second hydraulic cylinder 8 penetrating through the top of the fixed plate 7, a pressing knife 10 rotatably installed in the second mounting bracket 9, and a second driving motor 11 fixedly installed on the outer side of the second mounting bracket 9 for driving the pressing knife 10 to rotate.

[0028] Further, the front side of the cutting table 1 is provided with a conveying device 15, the conveying device 15 is a device containing a conveying belt in the prior art, and the conveying device 15 can convey the bearing steel pipe that has been cut, so as to facilitate discharging.

[0029] The working principle of the present utility model is as follows:

[0030] In use, first, the bearing steel pipe to be pre-cut is placed on the placing groove on the cutting table 1, then the first mounting frame 4 is controlled to move down by the first hydraulic cylinder 3 until the pressing feeding wheel 5 is in contact with the bearing steel pipe, that is, the bearing steel pipe is fixed in the V-shaped placing groove;

[0031] After the bearing steel pipe is fixed, the first driving motor 6 is started to control the pressing feeding wheel 5 to rotate, then the bearing steel pipe is moved by the friction between the pressing feeding wheel 5 and the bearing steel pipe, when the bearing steel pipe is moved to the length to be cut, the first driving motor 6 is closed, then the second hydraulic cylinder 8 and the second driving motor 11 are started, so that the pressing cutter 10 rotates and moves down until the pressing cutter 10 is in contact with the bearing steel pipe, that is, the cutting of the bearing steel pipe is completed;

[0032] Finally, after the cutting, the bearing steel pipe cut is directly dropped on the conveying device 15 under the action of gravity, and when the bearing steel pipe needs to be cut again, the pressing cutter 10 is controlled to move up by the second hydraulic cylinder 8, then the first driving motor 6 is started to move the bearing steel pipe, and the above operation is repeated, so that the bearing steel pipe is cut in multiple sections.

[0033] Further, the fixed connection is broadly understood, unless otherwise specified and limited, for example, can be welding, or gluing, or integrally formed with the means well known to those skilled in the art.

[0034] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. A pre-cutting device for bearing steel tubes, characterized in that, Include: Cutting table (1) and V-shaped placement groove in the top of cutting table (1); Gantry (2) is fixedly installed on the top of the cutting table (1); Compression feeding assembly; including a first hydraulic cylinder (3) fixedly installed on the top of the gantry (2), the driving end of the first hydraulic cylinder (3) is movably penetrated through the top of the gantry (2) and fixedly installed with a first mounting bracket (4), the first mounting bracket (4) is rotatably installed with a compression feeding wheel (5), and the outer side of the first mounting bracket (4) is fixedly installed with a first driving motor (6) for driving the compression feeding wheel (5) to rotate; Cutting assembly, including a fixed plate (7) fixedly installed on the front side of the gantry (2), a second hydraulic cylinder (8) fixedly installed on the top of the fixed plate (7), the driving end of the second hydraulic cylinder (8) penetrating through the top of the fixed plate (7) and fixedly installed with a second mounting bracket (9), the second mounting bracket (9) is rotatably installed with a compression knife (10), and the outer side of the second mounting bracket (9) is fixedly installed with a second driving motor (11) for driving the compression knife (10) to rotate.

2. A pre-cutting device for bearing steel tubes according to claim 1, characterized in that, The two sides of the first mounting bracket (4) are fixedly installed with a fixed rod (12), each fixed rod (12) is slidably penetrated through a limiting rod (13), and the limiting rod (13) is fixedly installed between the cutting table (1) and the gantry (2).

3. A pre-cutting device for bearing steel tubes according to claim 1, characterized in that, The two sides of the V-shaped placement groove are movably embedded with a plurality of supporting rollers (14), and the supporting rollers (14) on the same side are arranged in linear array.

4. A pre-cutting device for bearing steel tubes according to claim 1, characterized in that, The front side of the cutting table (1) is provided with a conveying device (15).

5. A pre-cutting device for bearing steel tubes as claimed in claim 1, characterized in that, The edge of the compression feeding wheel (5) is fixedly installed with a plurality of convex strips (16), and the plurality of convex strips (16) are arranged in circular array with the compression feeding wheel (5) as the shaft.

6. A pre-cutting device for bearing steel tubes according to claim 1, characterized in that, The outer side of the second mounting bracket (9) is fixedly installed with a right angle guide rod (17), and the other end of the right angle guide rod (17) is slidably penetrated through the bottom of the fixed plate (7).

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