Auxiliary positioning device for mandrel processing

Abstract

The utility model relates to the technical field of core shaft processing, and discloses an auxiliary positioning device for core shaft processing, comprising a working frame, wherein gas cylinders are respectively installed at the upper end and the lower end of the working frame, pipes are respectively installed at the output ends of the two gas cylinders, solenoid valves are respectively installed inside the two pipes, and two groups of channels are opened inside the working frame, through which the solenoid valves can play a role in opening and conveying gas to the gas cylinders and the pipes, and the channels can play a role in conveying gas to the pipes and piston rods, and then the core shaft is positioned with the cooperation of the positioning mechanism, and the piston rod can allow the abutment block to play an auxiliary supporting role for each section of the core shaft with the cooperation of the gas, and the graphite block can play a good lubricating role, and then after the cutting mechanism of the external device cuts the core shaft on the side of the core shaft, the abutment block of the same section will play an auxiliary positioning role with the cut core shaft with the cooperation of the piston rod pushed by the gas, thereby ensuring the finished product rate of the core shaft processing.

Description

Technical Field

[0001] The utility model relates to the technical field of core shaft processing, in particular to an auxiliary positioning device for core shaft processing. Background Art

[0002] The CNC machine tool inputs the information into the CNC device through the information carrier. After calculation and processing, the CNC device sends various control signals to control the operation of the machine tool. The parts are automatically processed according to the shape and size required by the drawing. When the mandrel is processed, it is necessary to position and fix the mandrel through a positioning mechanism.

[0003] In the authorized patent document with the announcement number CN114393419A, a multi-angle positioning device for the production and processing of CNC machine tool spindles is disclosed, in which a first electric telescopic rod is fixedly connected to the upper end of the base plate, a mounting frame is fixedly connected to the telescopic end of the first electric telescopic rod, the bottom end of the mounting frame is connected to the base plate through a guide mechanism, a motor is fixedly connected to the mounting frame, an output end of the motor is fixedly connected with a rotating shaft, an end of the rotating shaft away from the motor is fixedly connected to a clamping mechanism, and a supporting mechanism is fixedly connected to the upper end of the base plate. The present invention drives the rotating shaft to rotate after the motor is powered on and started, the rotating shaft drives the clamping mechanism to rotate, and the clamping mechanism drives the spindle to rotate to adjust the processed surface of the spindle. After the first electric telescopic rod is started, the motor is driven to move in the vertical direction through the mounting frame, and the motor drives the clamping mechanism to move upward through the rotating shaft to change the fixed angle of the spindle, so that the spindle can be positioned at multiple angles and the positioning angle can be changed.

[0004] When the above devices and traditional equipment are implemented, after the fixture clamps the longer mandrel, the mandrel can be cut. However, the longer mandrel may bend during cutting and under the condition of rotational force. Utility Model Content

[0005] The purpose of the utility model is to provide an auxiliary positioning device for mandrel processing, which solves the problem that when the above devices and traditional equipment are implemented, after the fixture clamps a longer mandrel, the mandrel can be cut, and the longer mandrel may bend during processing and cutting and under the condition of rotational force.

[0006] An embodiment of the present application provides an auxiliary positioning device for mandrel processing, comprising a working frame, wherein gas cylinders are respectively installed at the upper and lower ends of the working frame, pipes are respectively installed at the output ends of the two gas cylinders, solenoid valves are respectively installed inside the two pipes, two groups of channels are opened inside the working frame, the side of the pipe away from the gas cylinder is installed on the outer wall of the working frame, the output ends of the pipe correspond to the positions of the channels, multiple groups of piston rods are respectively installed on the inner top wall and the inner bottom wall of the working frame, the positions of the multiple groups of piston rods correspond to the positions of the channels, the telescopic ends of the multiple groups of piston rods are fixedly installed with blocks, and the sides of the multiple groups of blocks away from the piston rods are installed with graphite blocks, and a positioning mechanism for positioning the mandrel is arranged inside the working frame.

[0007] By adopting the above technical scheme, the solenoid valve can be used to open the gas cylinder and the pipeline to convey gas, and the channel can convey gas to the pipeline and the piston rod, and then the core shaft can be positioned with the cooperation of the positioning mechanism, and the piston rod with the cooperation of the gas can allow the block to play an auxiliary supporting role for each section of the core shaft, and the graphite block can play a good lubricating role. After the cutting mechanism of the external equipment cuts the core shaft on the side of the core shaft, the block of the same section will play an auxiliary positioning role with the cut core shaft with the cooperation of the gas pushing the piston rod, thereby ensuring the yield of the core shaft processing.

[0008] Optionally, the positioning mechanism includes two bidirectional screw rods, which are rotatably installed on inner walls opposite to the working frame respectively, and the outer walls of the two bidirectional screw rods are respectively threadedly connected with thread blocks, which are slidably connected to the inner wall of the working frame.

[0009] By adopting the above technical solution, the working frame can play a role of rotational support for the bidirectional screw rod, and the bidirectional screw rod can drive the two threaded blocks to move in opposite directions when rotating.

[0010] Optionally, two pulleys are rotatably installed on the outer wall of the working frame, the rotating shafts of the two pulleys are fixedly connected to the rotating shafts of two bidirectional screw rods, and the outer walls of the two pulleys are respectively installed with belts for transmission.

[0011] By adopting the above technical solution, the two bidirectional screw rods can be rotated through the cooperation of the belt and the pulley.

[0012] Optionally, a bracket is installed on the outer wall of the working frame, a second motor is installed on the upper end of the bracket, and an output shaft of the second motor is fixedly connected to the pulley.

[0013] By adopting the above technical solution, the working frame can fix the bracket, the bracket can fix the second motor, and the second motor can drive the pulley to rotate.

[0014] Optionally, the upper ends of the two threaded blocks are respectively fixedly connected to the movable plates, and the inner walls of the two movable plates which are arranged opposite to each other are respectively rotatably mounted with clamps.

[0015] By adopting the above technical solution, the moving plate can be driven to move when the threaded block moves, and the clamp can play a role in positioning the core shaft.

[0016] Optionally, a first motor is installed on one side of each of the two movable plates, and an output shaft of the first motor is fixedly connected to a rotating shaft of the clamp.

[0017] By adopting the above technical solution, the first motor can be fixed by the movable plate, and the first motor can drive the fixture to rotate.

[0018] Optionally, the two groups of the first motors are high-precision motors.

[0019] By adopting the above technical solution, the two groups of first motors are high-precision motors, and under the condition of PID controller, or adjusting the resistance and capacitance parameters of the motors, the speed synchronization rate of the two first motors is made as consistent as possible.

[0020] Optionally, a plurality of groups of supporting legs are fixedly connected to the lower end of the working frame, and the plurality of groups of supporting legs are arranged in a rectangular array.

[0021] By adopting the above technical solution, the working frame can be supported by the supporting legs.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The technical solution of the present application can open the gas cylinder and pipeline to convey gas through the solenoid valve, and the channel can convey gas to the pipeline and the piston rod, and then the core shaft can be positioned with the cooperation of the positioning mechanism, and the piston rod with the cooperation of the gas can allow the block to play an auxiliary supporting role for each section of the core shaft, and the graphite block can play a good lubricating role. After the cutting mechanism of the external equipment cuts the core shaft on the side of the core shaft, the block of the same section will play an auxiliary positioning role with the cut core shaft with the cooperation of the gas pushing the piston rod, thereby ensuring the yield of the core shaft processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0025] Figure 1 It is a front view schematic diagram of an auxiliary positioning device for mandrel processing of the utility model;

[0026] Figure 2The utility model is an auxiliary positioning device for mandrel processing Figure 1 Enlarged view of point A in the middle;

[0027] Figure 3 This is a partial cross-sectional view of a working frame of an auxiliary positioning device for mandrel processing of the utility model;

[0028] Figure 4 It is a left side schematic diagram of an auxiliary positioning device for mandrel processing according to the utility model.

[0029] In the figure: 1. working frame; 2. gas cylinder; 3. pipeline; 4. solenoid valve; 5. channel; 6. piston rod; 7. stop block; 8. graphite block; 9. bidirectional screw rod; 10. threaded block; 11. moving plate; 12. first motor; 13. clamp; 14. bracket; 15. second motor; 16. belt; 17. pulley; 18. support foot. DETAILED DESCRIPTION

[0030] See also Figure 1-4 The utility model provides a technical solution: an auxiliary positioning device for mandrel processing, comprising a working frame 1, gas cylinders 2 are respectively installed at the upper and lower ends of the working frame 1, pipes 3 are respectively installed at the output ends of the two gas cylinders 2, solenoid valves 4 are respectively installed inside the two pipes 3, two groups of channels 5 are opened inside the working frame 1, the side of the pipe 3 away from the gas cylinder 2 is installed with the outer wall of the working frame 1, the output end of the pipe 3 corresponds to the position of the channel 5, multiple groups of piston rods 6 are respectively installed on the inner top wall and the inner bottom wall of the working frame 1, the positions of the multiple groups of piston rods 6 correspond to the positions of the channels 5, the telescopic ends of the multiple groups of piston rods 6 are fixedly installed with abutments 7, and the side of the multiple groups of abutments 7 away from the piston rods 6 is installed with graphite blocks 8, a positioning mechanism for positioning the mandrel is arranged inside the working frame 1, the positioning mechanism comprises two bidirectional screw rods 9, the two bidirectional screw rods 9 are respectively rotatably installed with the inner wall arranged opposite to the working frame 1, the outer walls of the two bidirectional screw rods 9 are respectively threadedly connected with thread blocks 10, and the thread blocks 10 are slidably connected with the inner wall of the working frame 1.

[0031] In the technical scheme of the utility model, the solenoid valve 4 can be used to open the gas cylinder 2 and the pipeline 3 to convey gas, and the channel 5 can convey gas to the pipeline 3 and the piston rod 6, and then the core shaft can be positioned with the cooperation of the positioning mechanism, and the piston rod 6 can allow the block 7 to play an auxiliary supporting role for each section of the core shaft with the cooperation of the gas, and the graphite block 8 can play a good lubricating role. After the cutting mechanism of the external equipment cuts the core shaft on the side of the core shaft, the block 7 of the same section will play an auxiliary positioning role with the cut core shaft with the cooperation of the gas pushing the piston rod 6, thereby ensuring the yield of the core shaft processing.

[0032] In addition, the working frame 1 can provide rotation support for the bidirectional screw rod 9, and the bidirectional screw rod 9 can drive the two threaded blocks 10 to move in opposite directions when rotating.

[0033] In the technical solution of the utility model, if Figure 1 As shown, the upper ends of the two threaded blocks 10 are respectively fixedly connected to the moving plates 11, and the inner walls of the two moving plates 11 which are arranged opposite to each other are rotatably installed with clamps 13. When the threaded blocks 10 move, the moving plates 11 can be driven to move, and the clamps 13 can play a role in positioning the core shaft. One side of the two moving plates 11 is respectively installed with first motors 12, and the output shaft of the first motor 12 is fixedly connected to the rotating shaft of the clamp 13. The moving plates 11 can play a role in fixing the first motors 12, and the first motor 12 can drive the clamps 13 to rotate. The two groups of first motors 12 are high-precision motors. By using the two groups of first motors 12 as high-precision motors, and under the condition of PID controller, or adjusting the resistance and capacitance parameters of the motor, the speed synchronization rate of the two first motors 12 is made as consistent as possible.

[0034] In the technical solution of the utility model, if Figure 1 and Figure 4 As shown, two pulleys 17 are rotatably installed on the outer wall of the working frame 1, and the rotating shafts of the two pulleys 17 are fixedly connected to the rotating shafts of the two bidirectional screw rods 9. The outer walls of the two pulleys 17 are respectively installed with belts 16 for transmission, and the two bidirectional screw rods 9 can be rotated by the cooperation of the belts 16 and the pulleys 17. A bracket 14 is installed on the outer wall of the working frame 1, and a second motor 15 is installed on the upper end of the bracket 14. The output shaft of the second motor 15 is fixedly connected to the pulley 17. The working frame 1 can fix the bracket 14, and the bracket 14 can fix the second motor 15, and the second motor 15 can drive the pulley 17 to rotate.

[0035] In the technical solution of the utility model, if Figure 1 and Figure 4 As shown, a plurality of groups of supporting legs 18 are fixedly connected to the lower end of the working frame 1 , and the plurality of supporting legs 18 are arranged in a rectangular array, and the supporting legs 18 can support the working frame 1 .

[0036] When in use, first, the pulley 17 can be driven to rotate by the second motor 15, and the pulley 17 drives the two bidirectional screws 9 to rotate with the cooperation of the belt 16, and the two bidirectional screws 9 can drive the threaded block 10 to move, and the threaded block 10 can drive the movable plate 11 to move, and after the movable plate 11 moves, it can position the core shaft with the cooperation of the clamp 13, and the first motor 12 can drive the clamp 13 and the core shaft to rotate, and then the solenoid valve 4 can be used to open the gas cylinder 2 and the pipeline 3 to convey gas, and the channel 5 can convey gas to the pipeline 3 and the piston rod 6, and the piston rod 6 with the cooperation of the gas can allow the block 7 to play an auxiliary supporting role for each section of the core shaft, and the graphite block 8 can play a good lubricating role, and then after the external equipment cutting mechanism cuts the core shaft on the side of the core shaft, the block 7 of the same section will play an auxiliary positioning role with the cut core shaft with the cooperation of the gas pushing the piston rod 6, thereby ensuring the yield of the core shaft processing.

Claims

1. An auxiliary positioning device for mandrel processing, characterized in that: The invention comprises a working frame (1), wherein gas cylinders (2) are respectively installed at the upper and lower ends of the working frame (1), pipes (3) are respectively installed at the output ends of the two gas cylinders (2), solenoid valves (4) are respectively installed inside the two pipes (3), two groups of channels (5) are opened inside the working frame (1), the side of the pipes (3) away from the gas cylinders (2) is installed with the outer wall of the working frame (1), the output ends of the pipes (3) correspond to the positions of the channels (5), multiple groups of piston rods (6) are respectively installed on the inner top wall and the inner bottom wall of the working frame (1), the positions of the multiple groups of piston rods (6) correspond to the positions of the channels (5), the telescopic ends of the multiple groups of piston rods (6) are fixedly installed with blocks (7), the sides of the multiple groups of blocks (7) away from the piston rods (6) are installed with graphite blocks (8), and a positioning mechanism for positioning the core shaft is arranged inside the working frame (1).

2. The auxiliary positioning device for mandrel processing according to claim 1, characterized in that: The positioning mechanism comprises two bidirectional screw rods (9), the two bidirectional screw rods (9) are rotatably mounted on inner walls arranged opposite to the working frame (1), the outer walls of the two bidirectional screw rods (9) are respectively threadedly connected with thread blocks (10), and the thread blocks (10) are slidably connected to the inner wall of the working frame (1).

3. The auxiliary positioning device for mandrel processing according to claim 2, characterized in that: Two pulleys (17) are rotatably mounted on the outer wall of the working frame (1), the rotating shafts of the two pulleys (17) are fixedly connected to the rotating shafts of two bidirectional screw rods (9), and belts (16) are respectively installed on the outer walls of the two pulleys (17).

4. The auxiliary positioning device for mandrel processing according to claim 3, characterized in that: A bracket (14) is installed on the outer wall of the working frame (1), a second motor (15) is installed on the upper end of the bracket (14), and an output shaft of the second motor (15) is fixedly connected to a pulley (17).

5. The auxiliary positioning device for mandrel processing according to claim 2, characterized in that: The upper ends of the two threaded blocks (10) are respectively fixedly connected to the movable plate (11), and the inner walls of the two movable plates (11) arranged opposite to each other are respectively rotatably mounted with clamps (13).

6. The auxiliary positioning device for mandrel processing according to claim 5, characterized in that: A first motor (12) is respectively installed on one side of the two movable plates (11), and an output shaft of the first motor (12) is fixedly connected to a rotating shaft of the clamp (13).

7. The auxiliary positioning device for mandrel processing according to claim 6, characterized in that: The two groups of the first motors (12) are high-precision motors.

8. The auxiliary positioning device for mandrel processing according to claim 1, characterized in that: The lower end of the working frame (1) is fixedly connected to a plurality of groups of supporting feet (18), and the plurality of groups of supporting feet (18) are arranged in a rectangular array.

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