Automatic feeding device of grinding machine

Abstract

The utility model discloses an automatic feeding device of a grinding machine, which comprises a machine frame and is characterized in that a material box is arranged on the machine frame, a bottom plate of the material box is obliquely distributed, a pair of material lifting mechanisms is arranged at the bottom of the machine frame, each material lifting mechanism comprises a lifting air cylinder, the working end of each lifting air cylinder is connected with the bottom end of a lifting plate, and the working end of each lifting air cylinder is connected with the bottom end of the lifting plate. The top end face of the lifting plate is a first guide inclined face, a limiting block is arranged at the lowest position of the first guide inclined face, a pair of guide plates are further arranged on the rack, the top end faces of the guide plates are second guide inclined faces, and the height of the second guide inclined faces is between the highest position and the lowest position of the first guide inclined face. Meanwhile, the first guide inclined face and the second guide inclined face are staggered in the X-axis direction, and the coordinate of the lowest point of the first guide inclined face in the X-axis direction is located between the two ends of the second guide inclined face in the X-axis direction.

Description

Technical Field

[0001] The utility model relates to the field of automated production and processing, in particular to an automatic feeding device for a grinding machine. Background Art

[0002] When using a grinder to grind round rod-shaped workpieces (bars or tubes), it is traditionally necessary to set a positioning guide device at the entrance of the grinder, and then the worker holds the workpiece and feeds the end of the workpiece into the grinder through the positioning guide device. This manual loading method is time-consuming and labor-intensive, and not only requires a large amount of manpower, but also has relatively low work efficiency.

[0003] Therefore, a method or device capable of solving the above problems is now needed. Summary of the invention

[0004] The utility model aims to solve the above-mentioned deficiencies in the prior art and proposes an automatic feeding device which has a simple structure, ingenious design and reasonable layout and can automatically convey round rod-shaped workpieces one by one to a grinder for grinding.

[0005] The technical solution of the utility model is: an automatic feeding device for a grinding machine, comprising a frame, characterized in that: a material box 1 is arranged on the frame, the bottom plate of the material box 1 is inclined, a pair of material lifting mechanisms are arranged at the bottom of the frame, the material lifting mechanism comprises a lifting cylinder 2, the working end of the lifting cylinder 2 is connected to the bottom end of a lifting plate 3, the top surface of the lifting plate 3 is a first guide inclined surface 4, and a first limit block 5 is arranged at the lowest point of the first guide inclined surface 4,

[0006] A pair of guide plates 6 are also provided on the frame, and the top end surface of the guide plate 6 is a second guide slope 7, and the height of the second guide slope 7 is between the highest position and the lowest position of the first guide slope 4. At the same time, the first guide slope 4 and the second guide slope 7 are staggered with each other in the X-axis direction, and the coordinate of the lowest point of the first guide slope 4 in the X-axis direction is located between the two ends of the second guide slope 7 in the X-axis direction.

[0007] The frame also rotatably supports a passive double V-shaped wheel and an active double V-shaped wheel 8, the active double V-shaped wheel 8 is driven by a motor, two conveyor belts 9 are wound together between the active double V-shaped wheel 8 and the passive double V-shaped wheel, and a second limit block 10 matching the conveyor belt 9 is also arranged on the frame, and the second limit block 10 is located on the side of the conveyor belt 9 away from the material box 1.

[0008] The outlet of the conveyor belt 9 matches the feed inlet of the grinder 11 .

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] The automatic feeding device for a grinder of this structural form has a simple structure, ingenious design and reasonable layout. It is designed to address the problems of low work efficiency and heavy labor in the traditional manual feeding method of grinders, and a special structure is designed. It can transport rods or tubes to the conveyor belt one by one, and the conveyor belt feeds the workpiece into the grinder for grinding. This feeding device can effectively improve the work efficiency of the feeding operation and save labor costs. At the same time, its manufacturing process is simple and the manufacturing cost is low. Therefore, it can be said that it has many advantages and is particularly suitable for promotion and application in this field. Its market prospects are very broad. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model (direction one).

[0012] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the utility model (direction two).

[0013] Figure 3 It is a partial enlarged view of an embodiment of the utility model. DETAILED DESCRIPTION

[0014] The specific implementation of the present utility model will be described below in conjunction with the accompanying drawings. Figures 1 to 3 As shown: An automatic feeding device for a grinding machine includes a frame as a basis, a material box 1 is arranged on the frame, the bottom plate of the material box 1 is inclined, a pair of material lifting mechanisms are arranged at the bottom of the frame, and the material lifting mechanism includes a lifting cylinder 2, the working end of the lifting cylinder 2 is connected to the bottom end of a lifting plate 3, the top surface of the lifting plate 3 is a first guide inclined surface 4, and the lowest point of the first guide inclined surface 4 is provided with a first limit block 5,

[0015] A pair of guide plates 6 are also provided on the frame, and the top end surface of the guide plate 6 is a second guide slope 7, and the height of the second guide slope 7 is between the highest position and the lowest position of the first guide slope 4. At the same time, the first guide slope 4 and the second guide slope 7 are staggered with each other in the X-axis direction, and the coordinate of the lowest point of the first guide slope 4 in the X-axis direction is located between the two ends of the second guide slope 7 in the X-axis direction.

[0016] The frame also rotatably supports a passive double V-shaped wheel and an active double V-shaped wheel 8, the active double V-shaped wheel 8 is driven by a motor, two conveyor belts 9 are wound together between the active double V-shaped wheel 8 and the passive double V-shaped wheel, and a second limit block 10 matching the conveyor belt 9 is also arranged on the frame, and the second limit block 10 is located on the side of the conveyor belt 9 away from the material box 1.

[0017] The outlet of the conveyor belt 9 matches the feed inlet of the grinder 11 .

[0018] The working process of the automatic feeding device of the grinding machine in the embodiment of the utility model is as follows: Place the cylindrical workpiece 12 (such as a bar or a pipe) in the material box 1, specifically place it on the inclined bottom plate, and only place one layer;

[0019] Under the action of gravity, the workpiece 12 has a tendency to slide downward, and the lowermost workpiece 12 will move to the opening at the lowest part of the bottom plate, and is supported by two lifting plates 3 below it;

[0020] When an automatic feeding operation needs to be performed, a signal is sent through the control system to control the lifting cylinder 2 in the material lifting mechanism to perform a longitudinal reciprocating linear motion at a certain time interval. When the lifting plate 3 moves upward, it will transport a workpiece 12 in contact with it to a high place. At this time, the workpiece 12 is seated on the first guiding inclined surface 4. Since the highest height of the first guiding inclined surface 4 is higher than that of the second guiding inclined surface 7, and at the same time, the first guiding inclined surface 4 and the second guiding inclined surface 7 are offset from each other in the X-axis direction and also in the Y-axis direction (the first half of the first guiding inclined surface 4 overlaps with the second half of the second guiding inclined surface 7 in the Y-axis direction), so when the workpiece 12 rises along the first guiding inclined surface 4, it will not have a spatial interference with the guiding plate 6. The workpiece 12 will rise in space and roll downward along the first guiding inclined surface 4 at the same time. Only by controlling the distance that the rear end of the first guiding inclined surface 4 protrudes from the second guiding inclined surface 7 in the X-axis direction and the moving speed of the lifting plate 3, it can be ensured that the workpiece 12 can smoothly move above the second guiding inclined surface 7;

[0021] After the first guiding inclined surface 4 moves above the second guiding inclined surface 7, the workpiece 12 rolls to the lowermost end of the first guiding inclined surface 4 and is blocked by the first limiting block 5. At this time, the workpiece 12 has already been above the second guiding inclined surface 7 in the X-axis direction. Then the lifting plate 3 moves downward. During the downward movement, the workpiece 12 is supported by the second guiding inclined surface 7 and disengages from the first guiding inclined surface 4. The lifting plate 3 moves to the initial position to receive the second workpiece 12, while the first workpiece 12 will roll downward along the second guiding inclined surface 7,

[0022] The first workpiece 12 will finally move between a pair of conveyor belts 9, that is, it is supported by the two conveyor belts 9 at the same time, and the three are distributed in a "pin" shape. The second limiting block 10 arranged on the machine frame can prevent the workpiece 12 from rolling out of the range of the conveyor belts 9 under the action of inertia. Under the action of the conveyor belts 9, the workpiece 12 moves towards the inlet direction of the grinding machine 11 and enters the grinding machine for grinding processing;

[0023] After the first workpiece 12 is fed into the grinding machine, the second workpiece 12 rolls onto the conveyor belt 9 along the second guiding inclined surface 7 and continues to feed;

[0024] This is repeated to achieve continuous automatic loading of the workpieces 12; when the staff finds that all the workpieces 12 in the material box 1 have been transported out, they can be replenished in time.

Claims

1. An automatic feeding device for a grinding machine, comprising a frame, characterized in that: A material box (1) is arranged on the frame, the bottom plate of the material box (1) is inclined, a pair of material lifting mechanisms are arranged at the bottom of the frame, the material lifting mechanisms include a lifting cylinder (2), the working end of the lifting cylinder (2) is connected to the bottom end of the lifting plate (3), the top end surface of the lifting plate (3) is a first guide inclined surface (4), and a first limit block (5) is arranged at the lowest point of the first guide inclined surface (4). A pair of guide plates (6) are also provided on the frame, the top end surface of the guide plate (6) being a second guide slope (7), the height of the second guide slope (7) being between the highest position and the lowest position of the first guide slope (4), and the first guide slope (4) and the second guide slope (7) being staggered with each other in the X-axis direction, and the coordinate of the lowest point of the first guide slope (4) in the X-axis direction is located between the two ends of the second guide slope (7) in the X-axis direction, and the coordinate of the highest point of the second guide slope (7) in the X-axis direction is located between the two ends of the first guide slope (4) in the X-axis direction, The frame also rotatably supports a passive double V-shaped wheel and an active double V-shaped wheel (8), the active double V-shaped wheel (8) being driven by a motor, two conveyor belts (9) being wound together between the active double V-shaped wheel (8) and the passive double V-shaped wheel, and a second limit block (10) matching the conveyor belt (9) is also provided on the frame, the second limit block (10) being located on a side of the conveyor belt (9) away from the material box (1), The outlet of the conveyor belt (9) matches the feed inlet of the grinder (11).

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