CN207606667U - Tooth shaft processing numerically control grinder automatic feeding - Google Patents

Abstract

The utility model relates to a numerically controlled grinder assembly, in particular to an automatic feeding device for a numerically controlled grinder used for gear shaft processing. It is characterized in that it includes a workbench, on which there is a horizontally arranged mounting plate, and one side of the mounting plate protrudes out of the workbench. There is a blanking hole on the mounting plate on the outside of the workbench, and there is a feeding tube on the mounting plate on the side of the blanking hole. The outlet of the feeding tube corresponds to the position of the blanking hole, so that when the workpiece is discharged from the feeding tube After falling in the mouth, it enters the drop hole. There is a feeding cylinder under the section of the mounting plate outside the workbench. The feeding cylinder includes a cylinder body and a piston rod. The axis of the piston rod is perpendicular to the axis of the outlet of the feeding pipe. The jaws of the material jaws face upward, and when the piston rod is in a retracted state, the jaws of the material jaws are located directly below the blanking hole. The use of the automatic feeding device has a high degree of automation, can greatly improve work efficiency, and avoid potential safety hazards.

Description

Automatic feeding device for CNC grinding machine for gear shaft processing

technical field

The utility model relates to a numerically controlled grinder assembly, in particular to an automatic feeding device for a numerically controlled grinder used for gear shaft processing.

Background technique

It is known in the machining industry that when a CNC grinding machine grinds a gear shaft, it is necessary to feed the gear shaft blank into the top clamping mechanism of the CNC grinding machine. At present, the CNC grinding machine for gear shaft processing adopts the manual feeding method when grinding the gear shaft blank, that is, the staff manually places the gear shaft blank into the top clamping mechanism of the CNC grinding machine. The degree of automation of the manual feeding method is low, and the work efficiency is low. Moreover, during the feeding process, the staff's arm will partially enter the CNC grinding machine, posing a safety hazard.

Utility model content

The technical problem to be solved by the utility model is to provide an automatic feeding device for a CNC grinding machine for gear shaft processing. The automatic feeding device has a high degree of automation, can greatly improve work efficiency, and avoid potential safety hazards.

In order to solve the above problems, the following technical solutions are provided:

The feature of the automatic feeding device of the numerical control grinding machine for gear shaft processing of the utility model is that it includes a workbench, on which there is a horizontally arranged mounting plate, and one side of the mounting plate protrudes out of the workbench. There is a blanking hole on the mounting plate on the outside of the workbench, and there is a feeding tube on the mounting plate on the side of the blanking hole. The outlet of the feeding tube corresponds to the position of the blanking hole, so that when the workpiece is discharged from the feeding tube After falling in the mouth, it enters the drop hole. There is a feeding cylinder under the section of the mounting plate outside the workbench. The feeding cylinder includes a cylinder body and a piston rod. The axis of the piston rod is perpendicular to the axis of the outlet of the feeding pipe. The jaws of the material jaws face upward, and when the piston rod is in a retracted state, the jaws of the material jaws are located directly below the blanking hole.

Wherein, the section of the clamping claw is a 7-shaped section, the section of the clamping claw corresponding to the horizontal part of the 7-shaped part is a movable arm, and the section of the clamping claw corresponding to the vertical part of the 7-shaped part is a fixed arm, and the movable arm and the fixed arm It is hingedly connected, and there is a torsion spring between the movable arm and the fixed arm. The movable arm is arranged upwards, and the height of the upper edge of the movable arm is higher than that of the upper edge of the fixed arm. Between the upper end of the movable arm of the clamping claw and the upper edge of the fixed arm of the clamping claw, when the piston rod of the feeding cylinder is in a contracted state, the toggle pin moves the movable arm of the clamping claw to open the jaw of the clamping claw .

There is an upper guide post above the piston rod of the feeding cylinder, and a lower guide post under the piston rod of the feeding cylinder. The outer walls of the guide post and the lower guide post cooperate with the cylinder body of the feed cylinder in a sliding and sealed manner, and the projections of the lower guide post, the upper guide post and the piston rod of the feed cylinder in the horizontal plane all coincide. The outer end of the piston rod is fixed with a connecting plate, and the two ends of the connecting plate are fixedly connected with the upper guide post and the lower guide post respectively, and the clamping claw is fixed on the top of the connecting plate by its fixing arm.

Adopting the above scheme has the following advantages:

Because the automatic feeding device of the CNC grinding machine for gear shaft processing of the present utility model includes a workbench, there is a mounting plate on the table of the workbench, one side of the mounting plate extends out of the workbench, there are blanking holes on the mounting plate, and the blanking holes There is a feeding pipe on the mounting plate on one side, and a feeding cylinder is located under the mounting plate outside the workbench. The feeding cylinder includes a cylinder body and a piston rod. The axis of the piston rod of the feeding cylinder is perpendicular to the axis of the feeding pipe. The piston A clamping claw is arranged on the rod, and the clamping mouth of the clamping claw faces upward. When working, first insert the gear shaft workpieces into the feeding pipe in sequence; then, when feeding is required, control the piston rod of the feeding cylinder to shrink, so that the jaws of the clamping jaws are located under the blanking hole; then, push the workpieces to make the most The workpiece close to the blanking hole falls from the feeding pipe through the blanking hole into the jaws, and the other workpieces advance one position in turn; after that, the piston rod of the feeding cylinder is controlled to extend, and the jaws and the workpiece are sent to the CNC grinding machine. In the fixing mechanism, the feeding is completed; after the top clamping mechanism of the CNC grinder clamps the gear shaft workpiece, the piston rod of the feeding cylinder is controlled to shrink, so that the clamping claw returns to the bottom of the blanking hole, waiting for the next feeding. This feeding device uses a feeding cylinder to automatically feed materials. Compared with manual feeding in the background art, the degree of automation is higher, thereby greatly improving work efficiency. Moreover, during the feeding process, the arm of the staff is prevented from entering the CNC grinding machine, eliminating potential safety hazards.

Description of drawings

Fig. 1 is the structural representation of the automatic feeding device of the CNC grinding machine for gear shaft processing of the present utility model;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is a schematic diagram of the structure of the automatic feeding device of the CNC grinding machine for gear shaft processing of the present invention in the working state (state one);

Figure 4 is the right schematic view of Figure 3 (with the CNC grinding machine removed)

Fig. 5 is a structural schematic diagram (state 2) of the automatic feeding device of the CNC grinding machine for gear shaft processing of the present invention in working state.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Fig. 1 and Fig. 2, the automatic feeding device of the CNC grinding machine for gear shaft processing of the present utility model includes a workbench 1. There is a horizontally arranged mounting plate 2 on the table surface of the workbench 1, and one side of the mounting plate 2 protrudes to Outside Workbench 1. A blanking hole 7 is processed on the section of the mounting plate 2 located outside the workbench 1. There is a feeding tube 8 on the mounting plate 2 on the side of the blanking hole 7. The outlet of the feeding tube 8 corresponds to the position of the blanking hole 7. So that when the workpiece falls from the discharge opening of the feed pipe 8, it enters into the blanking hole 7. There is a feeding cylinder under the mounting plate 2 outside the workbench 1, which is connected to the workbench 1 through a connecting bracket. The feeding cylinder includes a cylinder body 10 and a piston rod 9, and the axis of the piston rod 9 is discharged from the feed pipe 8. The axis of the mouth is vertical, and the piston rod 9 is provided with clamping claws, the jaws of the clamping jaws face upward, and when the piston rod 9 is in a contracted state, the clamping jaws of the clamping jaws are located directly below the blanking hole 7.

The cross-section of the clamping claw is 7 characters, the clamping claw corresponding to the horizontal portion of the 7 shape is the movable arm 4, and the clamping claw corresponding to the vertical part of the 7 shape is the fixed arm 5, and the movable arm 4 is connected to the fixed arm 4. The arms 5 are hingedly connected, and a torsion spring is arranged between the movable arm 4 and the fixed arm 5 . The movable arm 4 is arranged upwards, the height of the upper edge of the movable arm 4 is higher than the height of the upper edge of the fixed arm 5, and the lower plate surface of the mounting plate 2 on the side away from the feeding cylinder body 10 has a toggle pin 12 on the blanking hole 7 , the lower end of the toggle pin 12 is located between the upper end of the movable arm 4 of the clamping jaw and the upper edge of the fixed arm 5 of the clamping jaw. Movable arm 4 makes the clamping mouth of clamping jaw open.

In order to ensure the feeding accuracy, there is an upper guide post 3 above the piston rod 9 of the feeding cylinder, and a lower guide post 11 is arranged below the piston rod 9 of the feeding cylinder, and one end of the upper guide post 3 and the lower guide post 11 passes through the feeding cylinder. Cylinder body 10 stretches in the feeding cylinder, and the outer wall of upper guide post 3 and lower guide post 11 cooperates with the cylinder body 10 of feeding cylinder in a sliding seal shape, and the piston of lower guide post 11, upper guide post 3 and feeding cylinder The projections of the rod 9 in the horizontal plane are all coincident. The outer end of the piston rod 9 is fixed with a connecting plate 6, and the two ends of the connecting plate 6 are fixedly connected with the upper guide post 3 and the lower guide post 11 respectively, and the clamping claw is fixed on the connecting plate 6 by its fixed arm 5. top.

During use, first the gear shaft processing of the present utility model is installed on the corresponding position of the CNC grinding machine 14 with the automatic feeding device of the CNC grinding machine. During work, the pinion workpiece 13 is inserted in the feeding pipe 8 successively earlier. Then, when feeding is required, the piston rod 9 of the feeding cylinder is controlled to shrink, so that the clamping jaw of the clamping jaw is located below the blanking hole 7. The jaws are opened, as shown in Figure 3 and Figure 4. Then, promote workpiece 13, make that workpiece 13 closest to blanking hole 7 drop in the gripper jaw from feeding pipe 8 through blanking hole 7, other workpieces advance one position successively. Afterwards, the piston rod 9 of the feeding cylinder is controlled to stretch out, and the movable arm 4 of the clamping claw leaves the toggle pin 12, so that the clamping claw clamps the workpiece 13. After that, the piston rod 9 of the feeding cylinder sends the jaws and the workpiece 13 into the fixed mechanism of the CNC grinding machine to complete the feeding, as shown in FIG. 5 . Finally, after the pinion shaft workpiece is clamped by the top clamping mechanism of the CNC grinding machine, the piston rod 9 of the feeding cylinder is controlled to shrink, so that the clamping claw returns to the bottom of the blanking hole 7, and waits for the next feeding.

Claims (3)

1. The automatic feeding device of CNC grinding machine for gear shaft processing is characterized in that it includes a workbench (1), on which there is a horizontally arranged mounting plate (2), and one side of the mounting plate (2) protrudes to the outside of the workbench (1); there is a blanking hole (7) on the mounting plate (2) on the outside of the workbench (1), and there is a feeding hole (2) on the mounting plate (2) on the side of the blanking hole (7) Pipe (8), the discharge port of the feeding pipe (8) corresponds to the position of the blanking hole (7), so that when the workpiece falls from the discharge port of the feeding tube (8), it enters the blanking hole (7) ; There is a feeding cylinder under the section of the mounting plate (2) outside the workbench (1), which includes a cylinder body (10) and a piston rod (9), the axis of the piston rod (9) and the feeding tube (8) The axis of the discharge port is vertical, and the piston rod (9) is provided with a clamping claw, and the jaw of the clamping jaw faces upward. When the piston rod (9) is in a contracted state, the clamping jaw of the clamping jaw is located directly below the hole (7). 2. The CNC grinding machine automatic feeding device for gear shaft processing according to claim 1, characterized in that the cross-section of the clamping claw is a 7-shaped cross section, and the section of the clamping claw corresponding to the horizontal part of the 7-shaped is a movable arm (4 ), the clamping jaw corresponding to the vertical part of the 7 shape is the fixed arm (5), the movable arm (4) is hingedly connected with the fixed arm (5), and the movable arm (4) and the fixed arm (5) have Torsion spring; the movable arm (4) is arranged upwards, the height of the upper edge of the movable arm (4) is higher than the height of the upper edge of the fixed arm (5), and the blanking hole (7) is far away from the feeding cylinder body (10) There is a toggle pin (12) on the lower surface of the mounting plate (2) on the side, and the lower end of the toggle pin (12) is located between the upper end of the movable arm (4) of the clamping jaw and the upper edge of the fixed arm (5) of the clamping jaw , when the piston rod (9) of the feeding cylinder is in a contracted state, the toggle pin (12) moves the movable arm (4) of the clamping claw to open the jaw of the clamping claw. 3. The automatic feeding device of CNC grinding machine for gear shaft processing according to claim 1, characterized in that there is an upper guide post (3) above the piston rod (9) of the feeding cylinder, and an upper guide column (3) is placed below the piston rod (9) of the feeding cylinder. The lower guide post (11), one end of the upper guide post (3) and the lower guide post (11) all pass through the cylinder block (10) of the feed cylinder and stretch into the feed cylinder, and the upper guide post (3) and the lower guide post (3) The outer wall of the guide post (11) and the cylinder body (10) of the feeding cylinder form a sliding and sealing fit, and the lower guide post (11), the upper guide post (3) and the piston rod (9) of the feeding cylinder are in the horizontal plane. The projections are all coincident; the outer end of the piston rod (9) is fixed with a connecting plate (6), and the two ends of the connecting plate (6) are respectively fixedly connected with the upper guide post (3) and the lower guide post (11). The clamping claw is fixed on the top of the connecting plate (6) by its fixed arm (5).