BP-440SS type bolt automatic upsetting machine clamp installation 1. Clamp structure clamp consists of four parts: clamp assembly part, clamp transmission part, clamp lifting part, external adjustment of clamp machine, plus pneumatic part ( It consists of 11 cylinders and some pneumatic components, hydraulic parts (composed of two hydraulic hydraulic components such as two hydraulic locks and one hydraulic cylinder), lubrication, etc.
The caliper body is composed of a slide seat, a slider, a sliding body, a swing frame, a tilting shaft and a locking hydraulic cylinder, five locking cylinders for cam adjustment, an automatic connecting cylinder, four pneumatic spring cylinders, and a zero clamp. Cylinder, two hydraulic rotary cylinders, etc. Its function realizes that the workpiece is displaced from the work to the first, second, third and fourth forging stations. After the four processes are completed, the workpiece is moved to the finished bin by the fifth clamp. The caliper body can be freely flipped within 90°, and the caliper slider can be detached from the caliper body to realize the adjustment and debugging of the bolt automatic cold chiller clamp.
The caliper transmission part transmits kinetic energy from the crankshaft to the spur gear, and then is transmitted by the spur gear to the bevel gear (three groups) and the double cam, and finally to the caliper body and the cam group. There is also a small bevel gear encoder that records and displays the conical motion of the clamp.
The clamp lifting part is composed of a frequency modulation motor, a speed reducer, a worm and a worm wheel, a base and a rotating body, a bracket, three electronic cams, a positioning cylinder and two stoppers, and the function thereof is to realize a 90° flip and a 90° of the caliper body. ° Rotate to complete the jaw adjustment and repair.
Difficulties in installation (1) The positioning of the base lifted by the clamp and the adjustment base are combined with the bed body, indirectly connected with the caliper body, and precisely matched with the cam group, realizing the three-dimensional space control accuracy of the base position (X, Y, Z direction tolerance All are within 0.05mm).
The adjustment method is as follows: 1 using the self-made tooling and inspection tool for the horizontal horizontal and vertical levels, installing the special inspection sleeve and the inspection shaft in the first and fourth steps of the female mold base, and installing the special tooling on the clamp lifting base and installing The dial gauge is horizontally and longitudinally pushed to the first and fourth steps, and the pad is trimmed according to its reading to a tolerance of 0.03 mm.
2 Adjust the clamp to raise the height of the base so that the center of the clamp is at the same height as the center of each station of the female mold, and the error is kept within 0.07mm.
Make four rods for the sample rod inspection (one per station), install it in the four stations, connect the tongs and the tongs up, and grind the adjustment pad so that the four pliers clamp the sample and keep Tolerance 0.07mm.
3 The clearance between the jaws and the female mold end is 0.5m. Make a 0.48mm thick adjustment plate and put it on the end of the female mold base. The jaws are close to the adjustment plate. At this time, the clamp is lifted and connected to the screw hole of the bed. Then drill the tapping thread. Use the bolts to lift the clamps up and lock them with the base (corrected with 0.5mm gauge before locking and locking), and position them with two pins.
The connection between the caliper body and the caliper body fixes the connecting body on the caliper body, and the connecting bolt forms a living connection with the coupling body, the coupling screw is coupled with the coupling shaft and can be adjusted, and is positioned by the positioning sleeve. When the caliper body is turned up, the coupling body is separated from the coupling bolt. When the caliper body is turned down to the working position, the coupling body and the coupling bolt are automatically coupled (the automatic coupling cylinder must be locked and positioned before the separation).
After the installation and adjustment of the clamp mechanism is completed, the lift clamp cam, the locker, the jaws, the automatic coupling bolt, the automatic coupling cylinder, the rotary positioning of the caliper body, and the general positioning of the caliper body mechanism are required in the commissioning process.
After trial production, the organization is stable, reliable, and all the design indicators meet the standards, and the users are very satisfied. This product is in line with market demand and will definitely occupy an important position in the domestic automatic cold heading machine market in the future.
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