CN212526975U

CN212526975U - Automatic indexing feeding mechanism for stainless steel pipes

Info

Publication number: CN212526975U
Application number: CN202021018896.3U
Authority: CN
Inventors: 叶安英; 马英
Original assignee: Xingtai Polytechnic College
Current assignee: Xingtai Polytechnic College
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-12
Anticipated expiration: 2030-06-05

Abstract

The utility model relates to an automatic indexing feeding mechanism for stainless steel pipes, which comprises a frame, a rotating shaft which is arranged on the frame and driven by a stepping motor, feeding runners which are arranged at two ends of the rotating shaft, a workpiece clamping groove which is arranged on the outer edge of the feeding runner and a feeding channel which is arranged at one side of the two feeding runners; the utility model discloses an evenly set up the recess that is used for placing the work piece in the outer fringe of feeding runner, can enter into the recess after the work piece falls from feedstock channel in, then rotate along with the feeding runner, realize the graduation pay-off, and self-holding device can fix the steel pipe that is located on the processing station, prevents that the displacement from appearing in the work piece in the course of working, influences the machining precision.

Description

Automatic indexing feeding mechanism for stainless steel pipes

Technical Field

The utility model relates to a nonrust steel pipe automatic indexing feeding mechanism.

Background

In life, the use amount of the plug-in type thin-wall stainless steel pipe is quite large, such as a crib, various supports, a simple tent and the like, the pipe is cut into different length specifications in production, burrs and burrs left at a cut part in use often have the phenomenon of teaching scratch, and the rigidity and the changeability of a hole part influence the plug-in connection with a connector after deformation and are even scrapped. At present, manual operation is adopted in production, the workload is large, the labor cost is high, the quality is unstable, and potential safety hazards exist. If a rolling machine for stainless steel pipes is designed to realize automatic rolling, a feeding mechanism is inevitably needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an autoloading feeding mechanism of nonrust steel pipe is provided, its autoloading function that can realize nonrust steel pipe.

The utility model provides an automatic graduation feeding mechanism of nonrust steel pipe, its includes the frame, install in the frame and through step motor driven axis of rotation, set up the feeding runner at the axis of rotation both ends, set up the work piece draw-in groove on the feeding runner outer fringe and set up the feedstock channel in two feeding runner one sides.

Furthermore, the feed channel includes the mounting plate that the slope set up, set up on mounting plate and two relative L shaped plates in position, and mounting plate and two L shaped plate form the space of placing the work piece, and the lower side end of mounting plate is corresponding with the feeding runner, makes the material can enter into the work piece draw-in groove smoothly.

Furthermore, a feeding baffle plate is arranged between the lower side ends of the two L-shaped plates, and a material channel is formed between the feeding baffle plate and the mounting bottom plate, so that materials fall into the workpiece clamping groove from a space for placing a workpiece.

Furthermore, be equipped with the long keyway on the axis of rotation, the feeding runner passes through the key-type connection and sets up in the axis of rotation, is equipped with the fly leaf in the outside of one side feeding runner, installs the shift fork on the fly leaf, the shift fork is connected with the feeding runner of this side.

Furthermore, the automatic clamping device comprises a pressing cylinder arranged above the feeding rotating wheel, a pressing block is arranged on a piston rod of the pressing cylinder, a groove is formed in the bottom of the pressing block, and the pressing block is matched with a workpiece clamping groove in the feeding rotating wheel to fix a workpiece.

Furthermore, a blanking baffle is arranged on the other side of the feeding rotating wheel.

Furthermore, the movable plate is arranged on the rack in a sliding mode through the first sliding rail, a lead screw is arranged on the rack through a bearing, a nut matched with the lead screw is installed on the bottom surface of the movable plate, and a hand wheel is arranged at one end of the lead screw.

A plurality of long grooves are transversely arranged on the bottom plate of the L-shaped plate, threaded holes are formed in the mounting bottom plate, and bolts penetrate through the long grooves and are screwed into the threaded holes to fix the L-shaped plate and the mounting bottom plate.

The utility model discloses an actively the effect does: the utility model discloses an evenly set up the recess that is used for placing the work piece in the outer fringe of feeding runner, can enter into the recess after the work piece falls from feedstock channel in, then rotate along with the feeding runner, realize the graduation pay-off, and self-holding device can fix the steel pipe that is located on the processing station, prevents that the displacement from appearing in the work piece in the course of working, influences the machining precision.

Meanwhile, the distance between the two feeding rotating wheels and the two L-shaped plates can be adjusted, and the requirement for processing workpieces with different lengths can be met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the automatic clamping device of the present invention;

FIG. 3 is a schematic structural view of the opening rolling machine of the present invention;

FIG. 4 is a schematic view of the structure of the feeding runner of the present invention;

FIG. 5 is a schematic view of the rolling head structure of the present invention;

FIG. 6 is a schematic view of the feed baffle structure of the present invention.

Detailed Description

As shown in fig. 1 to 6, in describing the embodiments of the present invention, in order to more clearly describe the technical solution of the present invention, the mechanisms for performing the roll-mouth operation on the workpiece at the two ends of the workpiece are also described.

The utility model discloses a frame 1, the automatic graduation feeding mechanism of setting at 1 top surface middle part in the frame, fixed mounting is in frame 1 and be located fixed plate 13 and the movable plate 3 of sliding mounting on frame 1 and be located automatic graduation feeding device opposite side of automatic graduation feeding mechanism one side, all install feed mechanism on fixed plate 13 and movable plate 3, install the binding mechanism on feed mechanism, the during operation work piece is located between two binding mechanisms, top at automatic graduation feeding mechanism is equipped with self-holding device, when the work piece is in work station, self-holding device compresses tightly the work piece, prevent the drunkenness.

The automatic indexing feeding mechanism comprises a rotating shaft 24 arranged on the mechanism 1, a stepping motor 15 is arranged on one side of the rotating shaft 24, the rotating shaft 24 is in transmission connection with the stepping motor 15 to drive the rotating shaft to rotate, two feeding rotating wheels 16 are arranged on the rotating shaft 24, workpiece clamping grooves 17 are arranged at corresponding positions of the outer edges of the two feeding rotating wheels 16, and a feeding channel is arranged on one side of the two feeding rotating wheels.

The feedstock channel sets up two mounting plate 22 in frame 1 including the slope, set up the L shaped plate 10 on two mounting plate 22 relatively, downside end at two L shaped plate 10 is equipped with feeding baffle 23, there is certain clearance between feeding baffle 23's position and the mounting plate 22, make the work piece can follow the roll-off in the clearance, feeding baffle 23, two L shaped plate 10, mounting plate 22 forms the work piece placing space of a bottom slope, mounting plate 22's downside end is corresponding with feeding runner 16, the work piece leans on the dead weight to fall after can entering into workpiece clamping groove 17 smoothly. The other side of the feeding rotating wheel 16 is provided with a blanking baffle, a workpiece which finishes the opening rolling work continuously rotates along with the feeding rotating wheel 16, and the blanking baffle prevents the workpiece from being thrown out.

Since the length of the workpieces processed in each batch may not be consistent, the spacing between the two L-shaped plates 10 and the feed wheel 16 is designed to be adjustable. The rotary shaft 24 is provided with a long key slot, the feeding runner 16 is mounted on the rotary shaft 24 through key connection, the outer side of the feeding runner 16 close to one side of the movable plate 3 is fixedly provided with a connecting part 19, the connecting part is provided with a ring slot, the movable plate 3 is fixedly provided with a shifting fork plate 18, and a shifting fork part of the shifting fork plate 18 is vertically inserted into the ring slot, so that the rotation of the feeding runner 16 is not influenced, and the feeding runner 16 can move along with the movable plate 3. The distance between the two L-shaped plates 10 needs to be adjusted, a plurality of long grooves 21 are transversely arranged on the bottom plate of the L-shaped plates 10, threaded holes are formed in the mounting bottom plate 22, bolts penetrate through the long grooves 21 and are screwed into the threaded holes to fix the L-shaped plates 10 and the mounting bottom plate 22, and the positions of the L-shaped plates 10 can be adjusted by loosening the bolts.

The automatic clamping device comprises an installation rod arranged above the feeding rotating wheel 16, a shaft seat 20 arranged on the installation rod, a pressing cylinder 11 arranged on the shaft seat 20 and a pressing block 12 arranged on a piston rod of the pressing cylinder 11, when a workpiece enters the workpiece clamping groove 17 and moves to the highest position along with the feeding rotating wheel 16, the pressing block 12 presses downwards, the workpiece is fixed between the pressing block 12 and the workpiece clamping groove 17, and the workpiece is prevented from shifting in the machining process.

The movable plate 3 is arranged on the rack 1 in a sliding mode through the first sliding rail 2, a screw rod 14 is arranged on the rack 1 through a bearing, a nut matched with the screw rod 14 is installed on the bottom surface of the movable plate 3, a hand wheel 4 is arranged at one end of the screw rod 14, and when the screw rod 14 rotates, the nut and the movable plate can be driven to move along the axial direction of the screw rod so as to adapt to workpieces with different lengths.

The feeding mechanism comprises a second slide rail 5, a support plate 7 slidably mounted on the second slide rail 5, a motor spindle 8 fixed on the support plate 7 and a roller head 9 mounted on an output shaft of the motor, the second slide rail 5 is arranged on a corresponding movable plate 3 and a corresponding fixed plate 13, a propelling cylinder 6 is fixed on the movable plate 3 and the fixed plate 13, a piston rod of the propelling cylinder is connected with the support plate 6, and the two feeding mechanisms are oppositely arranged and can move inwards or outwards relatively.

The roller head 9 comprises a round roller head body 902, a roller head cover 901 mounted on the roller head body 902 through bolts, and two rollers 903 mounted between the roller head body 902 and the roller head cover 901, wherein grooves are formed in the roller head cover 901 and the roller head 902, and the two rollers 903 are symmetrically mounted on two side walls of the grooves. The roller head is driven by a motor spindle 8 to rotate at a high speed, and after the thin-wall stainless steel pipe is positioned and clamped, two propelling cylinders simultaneously push the roller head, so that the roller shaft 903 is in contact with the pipe orifice with certain pressure, and the edge rolling process is completed.

Taking a thin-wall stainless steel pipe with the diameter of phi 22 multiplied by 60 multiplied by 0.2mm as an example, the distance between two feeding rotating wheels 16 is adjusted by a screw nut component, and the thin-wall stainless steel pipe with the diameter of 20-60mm can be rolled. A plurality of stainless steel pipes are parallelly placed between the two feeding L-shaped plates 10, the feeding rotating wheel 16 is driven to rotate by the stepping motor 15 through the speed reducer and the rotating shaft 24, the thin-wall stainless steel pipes are driven to a machining position right above the feeding rotating wheel 16 through the workpiece clamping groove 17 on the feeding rotating wheel 16 after rotating for 45 degrees each time, at the moment, the feeding rotating wheel 16 stops rotating, and the stainless steel pipes are located at the working position. The thin-walled stainless steel pipe is simultaneously tightened by two pressing cylinders 11. Then, the left and right propulsion cylinders 6 simultaneously propel the two motor spindles 8 and the rolling head 9 to simultaneously feed to the middle, and the motor spindles and the rolling head are contacted with the hole opening under certain pressure to roll edges, so that the machine retreats to the original position. At this time, the stepping motor 15 drives the feeding runner 16 to rotate again by an angle of 45 degrees through the speed reducer and the rotating shaft 24, and the next binding operation is performed. The stainless steel pipe which is finished with the edge rolling falls into the material receiving frame from the other side.

Claims

1. The utility model provides a nonrust steel pipe automatic graduation feeding mechanism which characterized in that it includes frame (1), install in frame (1) and through axis of rotation (24) of step motor (15) drive, set up feeding runner (16) at axis of rotation (24) both ends, set up work piece draw-in groove (17) on feeding runner (16) outer fringe and set up the feedstock channel in two feeding runners (16) one side.

2. The automatic indexing and feeding mechanism for the stainless steel tubes according to claim 1, wherein the feeding channel comprises an obliquely arranged mounting base plate (22) and two L-shaped plates (10) arranged on the mounting base plate (22) and opposite to each other, the mounting base plate (22) and the two L-shaped plates (10) form a space for placing the workpieces, and the lower side end of the mounting base plate (22) corresponds to the feeding runner (16) so that the materials can smoothly enter the workpiece clamping groove (17).

3. The automatic indexing and feeding mechanism for the stainless steel pipes as claimed in claim 2, wherein a feeding baffle plate (23) is arranged between the lower side ends of the two L-shaped plates (10), the feeding baffle plate (23) and the mounting bottom plate (22) form a material channel, so that the material falls into the workpiece clamping groove (17) from the space for placing the workpieces.

4. The automatic indexing feeding mechanism for stainless steel tubes according to claim 1, wherein the rotating shaft (24) is provided with a long key slot, the feeding wheel (16) is connected to the rotating shaft (24) through a key, a movable plate (3) is arranged on the outer side of the feeding wheel (16) on one side, a shifting fork (18) is mounted on the movable plate (3), and the shifting fork (18) is connected to the feeding wheel (16) on the side.

5. The automatic indexing feeding mechanism for the stainless steel pipes according to claim 1 is characterized in that an automatic clamping device is arranged above the feeding rotating wheel (16), the automatic clamping device comprises a pressing cylinder (11) arranged above the feeding rotating wheel (16), a pressing block (12) is arranged on a piston rod of the pressing cylinder (11), a groove is formed in the bottom of the pressing block (12), and the pressing block (12) is matched with a workpiece clamping groove (17) in the feeding rotating wheel (16) to fix a workpiece.

6. The automatic indexing feeding mechanism for stainless steel tubes according to claim 3, wherein a blanking baffle is provided on the other side of the feeding rotating wheel (16).

7. The automatic indexing and feeding mechanism for the stainless steel tubes according to claim 4, wherein the movable plate (3) is slidably arranged on the frame (1) through the first slide rail (2), a lead screw (14) is arranged on the frame (1) through a bearing, a nut matched with the lead screw (14) is arranged on the bottom surface of the movable plate (3), and a hand wheel (4) is arranged at one end of the lead screw (14).

8. The automatic indexing and feeding mechanism for the stainless steel pipes according to claim 2, wherein a plurality of elongated slots (21) are transversely formed in the bottom plate of the L-shaped plate (10), threaded holes are formed in the mounting bottom plate (22), and bolts are inserted into the elongated slots (21) and screwed into the threaded holes to fix the L-shaped plate (10) and the mounting bottom plate (22).