WO2014111003A1

WO2014111003A1 - Automatic floating tapping machine

Info

Publication number: WO2014111003A1
Application number: PCT/CN2014/070560
Authority: WO
Inventors: 宫鹤
Original assignee: Gong He
Priority date: 2013-01-15
Filing date: 2014-01-14
Publication date: 2014-07-24
Also published as: CN103111692B; CN104520041B; CN104520041A; CN103111692A

Abstract

An automatic floating tapping machine comprises a tapping machine (1), a hydraulic device (2), a floating clamping mold (3), a vibration feeding machine (4) and a controller (5). The problem that centers of a three-way workpiece and a tapping cutter (43) are needed to be calibrated is solved by using the floating clamping mold (3) to calibrate the centers thereof. The three-way workpiece is clamped on a tapping position of a fixing clamp (12) with the hydraulic device (2) and the floating clamping mold (3), and is fixedly sucked to the tapping position of the fixing clamp (12) with a magnetic sucking device (19). The problem that the workpiece is easily deformed due to an over-large mechanical clamping force is solved, the automatic tapping for the three-way workpiece is achieved, and the production efficiency of tapping the three-way workpiece is improved.

Description

Automatic floating tapping device

Technical field

The present invention relates to a tapping device, and more particularly to an automatic floating tapping device for a three-way workpiece. Background technique

To manufacture a plate radiator, a three-way workpiece is required. The three-way workpiece needs to be tapped. The center of the tee and the center of the tapping knife are required for tapping. At the same time, the thickness of the three-way workpiece is thin and rigid. Not enough, it is easy to deform when mechanically clamped. It is difficult to clamp the three-way workpiece by mechanical clamping alone. One can automatically calibrate the center of the tee and the tapping knife and automatically float with the magnetic clamping device. The tapping device has become a need for three-way workpiece tapping. Summary of the invention

SUMMARY OF THE INVENTION The object of the present invention is to overcome the deficiencies of the prior art and to provide an automatic floating tapping device for a three-way workpiece for tapping a three-way workpiece and improving the production efficiency of the tee workpiece tapping.

The technical solution adopted by the invention is: the automatic floating tapping device comprises a tapping machine, a hydraulic device, a floating clamping die, a vibrating feeder and a controller; the tapping machine comprises an organic seat, a main motor and a tapping power head, The main motor and the tapping power head are fixedly connected with the base; the hydraulic device includes a solenoid valve and a cylinder, and the cylinder is provided with a hose and a solenoid valve; the floating clamping mold includes a mold base, a fixing clip, a movable clamp, a guide seat, and The guide shaft, the fixing clamp, the oil cylinder and the guiding seat are fixedly connected with the mold base, the mold base is mechanically coupled with the machine base, one end of the guiding shaft is fixedly connected with the piston rod of the oil cylinder, and the other end of the guiding shaft is fixedly connected with the movable clamp; The power head is provided with an upper stroke switch and a lower stroke switch; the mold base is provided with a magnetic suction device, the magnetic suction device comprises a magnetizer and a rotating magnetic core, and the rotating magnetic core comprises an N pole and an S pole, N pole and S pole There is a non-conductive magnet between the 23, the rotating magnetic core is provided with a rotating shaft, the mold base is provided with a bearing, and the rotating shaft is mechanically coupled with the bearing of the mold base, and the mold base is The motor is provided with an adjusting motor, the rotating shaft is connected with the motor shaft of the adjusting motor; the vibrating feeder comprises a material barrel and a vibration feeding device, and the discharge port of the vibrating feeding device is connected with the workpiece inlet of the fixing clip, and the workpiece outlet of the fixing clip is connected with the discharging trough The fixed clamp is provided with a tapping proximity switch for controlling the automatic tapping operation of the automatic floating tapping device, and the controller is provided with a control line and a main Motor, solenoid valve, upper stroke switch, lower stroke switch, adjustment motor, tapping proximity switch and vibration feeder connection.

During operation, the tee workpiece to be tapped is placed in the barrel of the vibrating feeder, and the automatic floating tapping device is activated by the controller's automatic transfer switch to enter the automatic control workflow. The controller controls the vibrating feeder to be the first one. The three-way workpiece is sent from the discharge port to the tapping station of the fixed clamp. After the three-way workpiece enters the tapping station of the fixed clamp, the tapping proximity switch transmits its signal to the controller, and the controller controls the solenoid valve of the hydraulic device. Working, the piston rod of the solenoid valve control cylinder pushes the movable clamp of the floating clamping mold to clamp the three-way workpiece to the tapping station of the fixed clamp. After the three-way workpiece is clamped, the controller controls the adjustment motor to rotate, and utilizes Adjusting the rotation of the motor to drive the rotating magnetic core of the magnetic clamping device to rotate, so that the N pole of the rotating magnetic core is located on the left side of the rotating magnetic core, so that the S pole of the rotating magnetic core is located on the right side of the rotating magnetic core, so that the magnetic field lines pass through the N pole through the three After passing through the workpiece, returning to the S pole, the magnetic core is magnetically attracted to the three-way workpiece, the stability of the three-way workpiece is increased, and the quality of the tapping is improved; the three-way workpiece is rotated by the magnetic core Immediately after, the controller controls the tapping power head of the tapping machine to rotate downward; when the tapping knife contacts the to-be-trimmed hole of the tee workpiece, the floating clamping die is fixed to the die due to the dynamic cooperation of the die seat and the machine base On the seat, the rotation of the tapping knife pushes the floating clamping die to move, so that the center of the to-be-trimmed hole of the three-way workpiece moves toward the center of the tapping cutter, so that the center of the tee-to-attack hole of the three-way workpiece is aligned with the tapping knife The center, in order to achieve the purpose of automatically proofing the center of the tee to be tapped with the tapping knife; after the tapping knife automatically corrects the center of the tee to be tapped, the rotating collet of the tapping head drives the tapping knife Rotating down the tapping hole of the tee workpiece; after the tapping power head tapping is in place, the downstroke switch transmits the signal to the controller, the controller controls the tapping power head to rise and reset, and the tapping power head rises to the upper After the stroke switch, the upper stroke switch transmits its signal to the controller, and the controller controls the tapping power head to stop rising. At the same time, the controller controls the solenoid valve reversal of the hydraulic device, and the solenoid valve controls the cylinder to drive the activity. The loose clamp is reset; at the same time, the controller controls the rotating motor to rotate the rotating core of the magnetic clamping device, so that the N pole of the rotating magnetic core is located above the rotating magnetic core, so that the S pole of the rotating magnetic core is located below the rotating magnetic core , the magnetic line is returned from the N pole to the S pole through the magnet, so that the rotating core loses the magnetic attraction force to the tee workpiece; after the adjusting motor drives the rotating core to rotate and reset, the controller controls the vibrating feeding device to the second tee The workpiece is sent from the discharge port to the tapping station of the fixed clamp, and the second three-way workpiece pushes the first three-way workpiece at the tapping station to the workpiece exit of the fixed clamp, the first of the tapped teeth The three-way workpiece flows from the workpiece outlet and the discharge chute to the bin below the discharge chute; after the second tee workpiece enters the tapping station of the fixed clip, the above process is repeated, so that the cycle is repeated, using the automatic floating tapping Device pair three Automatic tapping through the workpiece.

The invention has the beneficial effects that: the automatic floating tapping device comprises a tapping machine, a hydraulic device, a floating clamping die, a vibrating feeder and a controller; and the center of the tee workpiece and the tapping knife is solved by the floating clamping die, and the solution is solved. The three-way workpiece and the tapping knife need to be proofreading the center; the hydraulic device and the floating clamping die are used to clamp the three-way workpiece to the tapping station of the fixed clip, and at the same time, the three-way workpiece is sucked by the magnetic suction device. In the tapping station of the fixed clamp, the problem that the mechanical clamping force is too large and the workpiece is easily deformed is solved, and the automatic tapping of the three-way workpiece is implemented, thereby improving the production efficiency of the tee workpiece tapping. DRAWINGS

Figure 1 is a schematic structural view of an automatic floating tapping device;

Figure 2 is a partial plan view of Figure 1. detailed description

The present invention will be further described below in conjunction with the accompanying drawings:

1 is a schematic structural view of the automatic floating tapping device and a partial top view of FIG. 1 shown in FIG. 2. The automatic floating tapping device includes a tapping machine 1, a hydraulic device 2, a floating clamping die 3, a vibrating feeder 4, and The tapping machine 1 comprises an organic base 6, a main motor 7 and a tapping power head 8, the main motor 7 and the tapping power head 8 are fixedly connected with the base 6, and the tapping power head 8 is connected with a rotating chuck 41. The rotary chuck 41 is fixedly connected with a tapping knife 43. The hydraulic device 2 includes a solenoid valve 9 and a cylinder 10, and the cylinder 10 is provided with a hose connected to the solenoid valve 9; the floating clamping die 3 includes a die holder 11 and a fixing clamp 12. The movable clamp 13, the guide seat 14 and the guide shaft 15, the fixed clamp 12, the oil cylinder 10 and the guide seat 14 are fixedly connected with the mold base 11, and the mold base 11 is mechanically coupled with the base 5, one end of the guide shaft 15 and the oil cylinder 10 The piston rod 16 is fixedly connected, and the other end of the guide shaft 15 is fixedly connected with the movable clamp 13; the tapping power head 8 is provided with an upper stroke switch 17 and a lower stroke switch 18; the mold base 11 is provided with a chute 46, the movable clamp 13 and The chute 46 is movably coupled; the mold base 11 is provided The force holding device 19 includes a magnetizer 20 and a rotating core 21. The rotating core 21 includes an N pole 22 and an S pole 23, and a non-magnetic magnet is disposed between the N pole 22 and the S pole 23. 24, the rotating magnetic core 21 is provided with a rotating shaft 25, the mold base 11 is provided with a bearing, the rotating shaft 25 is mechanically coupled with the bearing of the mold base 11, and the mold base 11 is provided with a motor shaft for adjusting the motor 26, the rotating shaft 25 and the adjusting motor 26. Connection, using magnetic attraction device 19 to three The workpiece is attracted to the tapping station 42 of the fixing clip 12; the vibrating feeder 4 includes a drum 27 and a vibrating feeding device 28, and the discharge port 29 of the vibrating feeding device 28 is connected with the workpiece inlet 30 of the fixing clip 12, and is fixed. The workpiece outlet 31 of the clip 12 is connected with a discharge slot 32; the fixed clamp 12 is provided with a tapping proximity switch 44 for controlling the automatic tapping operation of the automatic floating tapping device; the controller 5 is provided with a control line and a main motor 7, The solenoid valve 9, the upper stroke switch 17, the lower stroke switch 18, the adjustment motor 26, the tapping proximity switch 44, and the vibrating feeding device 28 are connected, and the controller 5 is provided with an automatic transfer switch 45 for controlling the automatic floating tapping device to enter the automatic Control the tapping process.

In order to carry out the dynamic matching connection between the mold base 11 and the base 5 and to achieve the automatic adjustment center of the tapping knife and the three-way workpiece, the floating clamping die 3 is provided with a floating connecting sleeve 33, and the floating connecting sleeve 33 is fixedly connected with the base 6. The floating connection sleeve 33 is mechanically coupled to the mold base 11; the floating connection sleeve 33 is provided with a screw 34 fixedly connected to the base 6; the mold base 11 is provided with a floating connection hole 35, and the floating connection sleeve 33 includes a flange head 36 and an outer cylinder A lateral gap 38 is left between the floating connection hole 35 and the outer cylindrical surface 37, and a longitudinal gap 39 is left between the upper surface of the die holder 11 and the lower surface of the flange head 36; the outer diameter of the outer cylindrical surface 37 is smaller than The aperture of the floating connection hole 35.

In order to make the magnetic flux of the rotating core 21 of the magnetic attraction device 19 pass through the steel tee workpiece, the rotating core 21 is attracted to the three-way workpiece, characterized in that: the magnetic attraction device 19 and the mold The seat 11 is fixedly connected, and the axis of the rotating core 21 of the magnetic attraction device 19 is parallel to the horizontal line, and the rotating core 21 is located below the fixed clip 12.

In order to reduce the interference of the magnet body on the magnetic field of the rotating core 21, the magnetism of the magnetic attraction device 19 and the mold base 11 are provided with a non-ferromagnetic isolation layer 40, and the isolation layer 40 has stainless steel and aluminum alloy. Or copper alloy manufacturing; the fixing clip 12 and the movable clip 13 are made of a non-ferromagnetic material, and the non-ferromagnetic material includes stainless steel, aluminum alloy or copper alloy.

Claims

Claim

1. Automatic floating tapping device, including tapping machine, hydraulic device, floating clamping die, vibrating feeder and controller; Tapping machine includes organic seat, main motor and tapping power head, main motor and tapping power The head is fixedly connected with the base; the hydraulic device comprises a solenoid valve and a cylinder, and the cylinder is provided with a hose and a solenoid valve; the floating clamping mold comprises a mold base, a fixed clamp, a movable clamp, a guide seat and a guide shaft, a fixed clamp, The oil cylinder and the guiding seat are fixedly connected with the mold base, the mold base is mechanically coupled with the machine base, one end of the guiding shaft is fixedly connected with the piston rod of the oil cylinder, and the other end of the guiding shaft is fixedly connected with the movable clamp; the tapping power head is provided with an upper stroke The switch and the lower stroke switch; the mold base is provided with a magnetic suction device, the magnetic suction device comprises a magnetizer and a rotating magnetic core, the rotating magnetic core comprises an N pole and an S pole, and the N pole and the S pole 23 are provided with a non- The magnetizer, the rotating magnetic core is provided with a rotating shaft, the mold base is provided with a bearing, the rotating shaft is mechanically coupled with the bearing of the mold base, and the mold base is provided with an adjusting motor. The rotating shaft is connected with the motor shaft of the adjusting motor; the vibrating feeder comprises a material barrel and a vibrating feeding device, the discharging port of the vibrating feeding device is connected with the workpiece inlet of the fixing clip, and the workpiece outlet of the fixing clip is connected with the discharging trough; Tapping proximity switch, used to control the automatic tapping of the automatic floating tapping device. The controller is equipped with control line and main motor, solenoid valve, upper stroke switch, lower stroke switch, adjustment motor, tapping proximity switch and vibration feeding. Device connection

The utility model is characterized in that: the working principle of the automatic floating tapping device is: when working, the three-way workpiece to be tapped is placed in the barrel of the vibrating feeder, and the automatic floating tapping is started by the automatic transfer switch of the controller. The device enters the automatic control workflow, and the controller controls the vibrating feeding device to send the first three-way workpiece from the discharge port to the tapping station of the fixed clip, and the tee workpiece is inserted into the tapping station of the fixed clip, and the tapping is close. The switch transmits its signal to the controller, and the controller controls the solenoid valve of the hydraulic device to work. The piston rod of the solenoid valve control cylinder pushes the movable clamp of the floating clamping mold to clamp the three-way workpiece to the tapping station of the fixed clamp. After the three-way workpiece is clamped, the controller controls the rotation of the motor, and the rotation of the motor is used to drive the rotating magnetic core of the magnetic clamping device to rotate, so that the N pole of the rotating magnetic core is located on the left side of the rotating magnetic core, so that the rotating magnetic core The S pole is located on the right side of the rotating core, so that the magnetic line passes from the N pole to the S pole after passing through the three-way workpiece, so that the rotating magnetic core generates magnetic attraction to the three-way workpiece, and the three-way is added. The stability of the piece improves the quality of the tapping; after the three-way workpiece is sucked by the rotating core, the controller controls the tapping power head of the tapping machine to rotate downward; the tapping knife contacts the tee hole of the tee workpiece When the mold base is mechanically coupled with the machine base, the floating clamping mold is fixed on the mold base, so the rotary cutter rotates to push the floating clamping mold to move, so that the three-way workpiece The center of the to-be-trimmed hole moves toward the center of the tapping knife, so that the center of the to-be-trimmed hole of the three-way workpiece is aligned with the center of the tapping knife, so as to automatically correct the center of the tee workpiece to be tapped by the tapping knife The purpose of the tapping knife automatically corrects the center of the tee hole to be tapped, and the rotating chuck of the tapping power head drives the tapping knife to rotate down the tapping of the tee workpiece; the tapping power head attack After the tooth is in place, the lower stroke switch transmits the signal to the controller. The controller controls the tapping power head to rise and reset. After the tapping power head rises to the upper stroke switch, the upper stroke switch transmits its signal to the controller, and the controller controls the attack. The tooth power head stops rising; at the same time, the controller controls the solenoid valve of the hydraulic device to reversing, and the solenoid valve control cylinder drives the movable clamp to reset the loose clamp; meanwhile, the controller controls the adjusting motor to drive the rotary magnetic core of the magnetic clamping device to rotate and reset, so that The N pole of the rotating core is located on the upper side of the rotating core, so that the S pole of the rotating core is located below the rotating core, so that the magnetic lines of force pass from the N pole to the S pole through the magnetizer, so that the rotating core The three-way workpiece loses the magnetic attraction; after the adjustment motor drives the rotary core to rotate and reset, the controller controls the vibration feeding device to send the second three-way workpiece from the discharge port to the tapping station of the fixed clamp, the second The three-way workpiece pushes the first three-way workpiece at the tapping station to the workpiece exit of the fixed clamp, and the first three-way workpiece that has been tapped flows from the workpiece outlet and the discharge chute to the bin below the discharge chute. After the second three-way workpiece enters the tapping station of the fixed clamp, the above process is repeated, and the loop is continuously cycled, and the automatic three-way workpiece is automatically tapped by the automatic floating tapping device.

The automatic floating tapping device according to claim 1, wherein: the floating clamping die (3) is provided with a floating connecting sleeve (33), a floating connecting sleeve (33) and a base (6) The fixed connection, the floating connection sleeve (33) is movably coupled to the mold base (11).