Workpiece feeding mechanism

Abstract

The utility model relates to the technical field of tubular workpiece machining, in particular to a workpiece feeding mechanism which comprises a box body and an arranging and lifting mechanism, lower conveying rollers are symmetrically and rotatably arranged on the lower side of the outer side wall of the box body, and lower rotating shafts are rotatably arranged at the positions, located on the two lower conveying rollers, in the box body through rolling bearings. Upper conveying rollers are symmetrically and rotatably arranged on the upper side of the outer side wall of the box body, upper rotating shafts are rotatably arranged at the positions, located on the two upper conveying rollers, in the box body through rolling bearings, and one ends of the upper rotating shafts penetrate to the exterior of the box body and are fixedly connected with the upper conveying rollers; the upper rotating shafts and the corresponding lower rotating shafts are in transmission connection through first transmission mechanisms, the two lower rotating shafts are in transmission connection through second transmission mechanisms, a motor is fixedly arranged outside the box body, and the output end of the motor penetrates into the box body and is fixedly connected with one of the lower rotating shafts. The feeding device can ensure uniform feeding speed and improve the feeding effect.

Description

Technical Field

[0001] The utility model relates to the technical field of tubular workpiece processing, in particular to a workpiece feeding mechanism. Background Art

[0002] Metal pipes, as a common part, are widely used in the fields of petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments, etc. During the processing of metal pipes, the inner tube of the metal pipe needs to be polished. Before grinding the inner tube, the tubular workpiece is first sorted by the sorting and lifting mechanism, and then fed by the feeding mechanism. In the prior art, there is a considerable height difference between the discharge port of the sorting and lifting mechanism and the feed port of the processing mechanism. The tubular workpiece tends to slide down quickly, and the feeding mechanism is not convenient for uniform feeding. Therefore, we have introduced a workpiece feeding mechanism. Utility Model Content

[0003] The purpose of the utility model is to provide a workpiece feeding mechanism to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The lower rollers are provided with a plurality of rollers, each of which is provided with a plurality of rollers, and the upper rollers are provided with a plurality of rollers, each of which is provided with a plurality of rollers, and the upper rollers are provided with a plurality of rollers, each of which is provided with a plurality of rollers, and the plurality of rollers are provided with a plurality of rollers, each of which is provided with a plurality of rollers, and the plurality of rollers are provided with a plurality of rollers.

[0006] Preferably, the first transmission mechanism comprises a pulley, and the two pulleys are respectively fixedly arranged on the corresponding upper rotating shaft and lower rotating shaft, and the two pulleys are connected by belt transmission.

[0007] Preferably, the second transmission mechanism includes two gears, and the two gears are fixedly disposed on two lower rotating shafts respectively, and the two gears are meshed with each other.

[0008] Preferably, the roller walls of the two upper conveying rollers are both provided with a first thread groove, and the rotation directions of the two first thread grooves are arranged in opposite directions.

[0009] Preferably, the roller walls of the two lower conveying rollers are each provided with a second thread groove, and the two second thread grooves are arranged in opposite directions.

[0010] Preferably, a guide groove is provided at the upper end of the slide plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The workpiece feeding mechanism is provided with a motor, a box body, a sorting and lifting mechanism, an upper conveying roller, a bracket, a slide plate, a lower conveying roller, a gear, a lower rotating shaft, a pulley, an upper rotating shaft, a belt and a baffle. The motor is started, and the motor drives one of the lower rotating shafts to rotate. The lower rotating shaft drives the other lower rotating shaft to rotate through the gear. The lower rotating shaft drives the upper rotating shaft to rotate through the pulley and the belt. The upper rotating shaft drives the corresponding upper conveying roller to rotate. The lower rotating shaft drives the corresponding lower conveying roller to rotate. The sorting and lifting mechanism drives the tubular workpiece to fall on the two upper conveying rollers. The upper conveying roller drives the tubular workpiece to move through the first thread groove, and slides to between the two lower conveying rollers through the guide groove of the slide plate. The lower conveying roller continues to drive the tubular workpiece to move through the second thread groove. The rotation speed of the upper conveying roller and the lower conveying roller is consistent, which can ensure uniform feeding speed and improve feeding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a workpiece feeding mechanism.

[0014] Figure 2 Schematic diagram of the internal structure of the box.

[0015] Figure 3 for Figure 2 An enlarged schematic diagram of part A in the figure.

[0016] In the figure: 1. Motor; 2. Box; 3. Arrangement and lifting mechanism; 4. Upper conveying roller; 5. Bracket; 6. Slide plate; 7. Lower conveying roller; 8. Gear; 9. Lower rotating shaft; 10. Pulley; 11. Upper rotating shaft; 12. Belt; 13. Baffle. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figures 1 to 3 , the utility model provides a technical solution:

[0019] A workpiece feeding mechanism comprises a box body 2 and a sorting and lifting mechanism 3, wherein lower conveying rollers 7 are symmetrically rotated on the lower side of the outer wall of the box body 2, and lower rotating shafts 9 are rotatably arranged at the two lower conveying rollers 7 inside the box body 2, and one end of the lower rotating shaft 9 penetrates the outside of the box body 2 and is fixedly connected to the lower conveying rollers 7, and upper conveying rollers 4 are symmetrically rotated on the upper side of the outer wall of the box body 2, and upper rotating shafts 11 are rotatably arranged at the two upper conveying rollers 4 inside the box body 2, and one end of the upper rotating shaft 11 penetrates the outside of the box body 2 and is fixedly connected to the upper conveying rollers 4 The upper rotating shaft 11 and the corresponding lower rotating shaft 9 are connected by a first transmission mechanism, and the two lower rotating shafts 9 are connected by a second transmission mechanism. A motor 1 is fixedly provided on the outside of the box body 2, and the output end of the motor 1 passes through the box body 2 and is fixedly connected to one of the lower rotating shafts 9. A slide plate 6 is fixedly provided between the upper conveying roller 4 and the lower conveying roller 7 through a bracket 5. The sorting and lifting mechanism is arranged on one side of the upper conveying roller 4, and a baffle 13 is fixedly provided on the side wall of the box body 2 on the other side of the upper conveying roller 4. The baffle 13 can prevent the tubular workpiece from falling from the upper conveying roller 4.

[0020] The first transmission mechanism includes a pulley 10 . The two pulleys 10 are fixedly disposed on the corresponding upper rotating shaft 11 and lower rotating shaft 9 , respectively. The two pulleys 10 are connected to each other through a belt 12 .

[0021] The second transmission mechanism includes two gears 8 , which are fixedly disposed on two lower rotating shafts 9 , respectively, and the two gears 8 are meshed with each other.

[0022] The roller walls of the two upper conveying rollers 4 are both provided with first thread grooves, and the rotation directions of the two first thread grooves are arranged in opposite directions.

[0023] The roller walls of the two lower conveying rollers 7 are both provided with second thread grooves, and the rotation directions of the two second thread grooves are opposite.

[0024] The upper end of the slide plate 6 is provided with a guide groove.

[0025] When in use, start the motor 1, the motor 1 drives one of the lower rotating shafts 9 to rotate, the lower rotating shaft 9 drives the other lower rotating shaft 9 to rotate through the gear 8, the lower rotating shaft 9 drives the upper rotating shaft 11 to rotate through the pulley 10 and the belt 12, the upper rotating shaft 11 drives the corresponding upper conveying roller 4 to rotate, the lower rotating shaft 9 drives the corresponding lower conveying roller 7 to rotate, the sorting and lifting mechanism 3 drives the tubular workpiece to fall on the two upper conveying rollers 4, the upper conveying roller 4 drives the tubular workpiece to move through the first thread groove, slides to between the two lower conveying rollers 7 through the guide groove of the slide plate 6, the lower conveying roller 7 continues to drive the tubular workpiece to move through the second thread groove, the rotation speed of the upper conveying roller 4 and the lower conveying roller 7 is consistent, which can ensure uniform feeding speed and improve the feeding effect.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A workpiece feeding mechanism, comprising a box (2) and a sorting and lifting mechanism (3), characterized in that: A lower conveying roller (7) is symmetrically rotatably provided on the lower side of the outer wall of the box body (2); a lower rotating shaft (9) is rotatably provided at the two lower conveying rollers (7) inside the box body (2); one end of the lower rotating shaft (9) penetrates the outside of the box body (2) and is fixedly connected to the lower conveying roller (7); an upper conveying roller (4) is symmetrically rotatably provided on the upper side of the outer wall of the box body (2); an upper rotating shaft (11) is rotatably provided at the two upper conveying rollers (4) inside the box body (2); one end of the upper rotating shaft (11) penetrates the outside of the box body (2) and is fixedly connected to the upper conveying roller (4); The upper rotating shaft (11) and the corresponding lower rotating shaft (9) are connected in transmission via a first transmission mechanism, and the two lower rotating shafts (9) are connected in transmission via a second transmission mechanism. A motor (1) is fixedly provided on the outside of the box body (2), and the output end of the motor (1) passes through the box body (2) and is fixedly connected to one of the lower rotating shafts (9). A slide plate (6) is fixedly provided between the upper conveying roller (4) and the lower conveying roller (7) via a bracket (5). The sorting and lifting mechanism is arranged on one side of the upper conveying roller (4), and a baffle (13) is fixedly provided on the side wall of the box body (2) located on the other side of the upper conveying roller (4).

2. A workpiece feeding mechanism according to claim 1, characterized in that: The first transmission mechanism comprises a pulley (10), wherein the two pulleys (10) are respectively fixedly arranged on the corresponding upper rotating shaft (11) and the lower rotating shaft (9), and the two pulleys (10) are connected by a belt (12).

3. A workpiece feeding mechanism according to claim 1, characterized in that: The second transmission mechanism comprises two gears (8), the two gears (8) are respectively fixedly arranged on two lower rotating shafts (9), and the two gears (8) are meshed with each other.

4. A workpiece feeding mechanism according to claim 1, characterized in that: The roller walls of the two upper conveying rollers (4) are both provided with a first thread groove, and the rotation directions of the two first thread grooves are arranged in opposite directions.

5. A workpiece feeding mechanism according to claim 1, characterized in that: The roller walls of the two lower conveying rollers (7) are both provided with second thread grooves, and the rotation directions of the two second thread grooves are arranged in opposite directions.

6. A workpiece feeding mechanism according to claim 1, characterized in that: The upper end of the slide plate (6) is provided with a guide groove.

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