CN2062661U

CN2062661U - Multifunctional pincher for forging machine

Info

Publication number: CN2062661U
Application number: CN 90211865
Authority: CN
Inventors: 许柏青
Original assignee: DONGFANG BOILER FACTORY
Current assignee: DONGFANG BOILER FACTORY
Priority date: 1990-02-27
Filing date: 1990-02-27
Publication date: 1990-09-26

Abstract

The utility model relates to a multifunctional pincher which is matched with a forging manipulator to use, belonging to the field of forging machinery. A pincher head body comprises pincher arms, a large pincher mouth, a small pincher mouth and the pincher mouth of the shaft class, and the three pincher mouths respectively form a circular arc shape. The operations of the forging technology, such as the upsetting, the extension, the rolling finishing, the hole punching and enlarging, the open die forging, etc. of forged bodies with various different shapes can be completed, and the diameters of the forged bodies are 120-1000 millimeters; the clamping points of forged pieces of the shaft class are automatically regulated through the inward rotation within 10 DEG, and the forged pieces of the shaft class are forged; the forged pieces are driven to flatly rotate to carry out the upsetting through a ratchet plate on the large pincher mouth. The phenomenon that the pincher has single function in the prior art is overcome.

Description

Multifunctional pincher for forging machine

The utility model belongs in the metal forming machinery field and the matching used multi-functional nipping clamp of forging manipulator.

At present, the nipping clamp of forging manipulator generally adopts single jaw structure (Fig. 1), and the scope of application of this structure nipping clamp has significant limitation, often has only a kind of function, during use, needs often to change binding clip according to the forging shape.As the nipping clamp of forging forged shaft, just can not be used for forging cake class or square forging, can not carry out loose tooling forging and pick up blank, the unloading frock.Thus, it is frequent then to cause binding clip to change, inefficiency, and defective such as labour intensity is big has hindered the development of forging process mechanization.

The purpose of this utility model is to overcome the simple function of above-mentioned nipping clamp, design a kind of simple in structure, use the multi-functional nipping clamp of forging manipulator reliable, applied widely.The instruction that it can send by means of forging manipulator, realize the parallel lifting of vice body, have a down dip on the vice body, the binding clip rotation, jaw opens and closes four actions, utilize one pair of nipping clamp, realize each forging in the forging process jumping-up, extension, round as a ball finishing, develop multiple Forging Technologies such as hole, loose tooling forging, and can realize picking up back works such as blank, drift, unloading frock.

Nipping clamp of the present utility model (Fig. 2) is made up of claw beam, binding clip body, and the binding clip body is by tong arm (7), mouth of tongs (3), little jaw (1) and place the axle class jaw (20) on the little jaw to form, and three jaws are circular arc.Little jaw (1) connects with the top of hinges (2) at mouth of tongs (3), and be the center of circle with hinges (2), scope at 10 ° is inwardly rotated, rotation is during greater than 10 °, then contact with the boss of mouth of tongs, stop little jaw (1) to be rotated further, the outside of little jaw (1) directly contacts with the boss of mouth of tongs (3), stops little jaw (1) outwards to rotate.The arc radius of little jaw (1) is 100 millimeters to 200 millimeters, can the clamping diameter is that 120 millimeters to 800 millimeters forging forges; The arc radius of mouth of tongs (3) is 200 millimeters to 350 millimeters, and the forging that is used for the clamping diameter and is 300 millimeters to 1000 millimeters forges; Axle class jaw (20) is positioned on the little jaw (1), its axis and little jaw (1) axis normal, when forging the stock forged shaft, because little jaw (1) has and can only inwardly rotate, the characteristics that can not outwards rotate, can regulate the bite of forging (18) automatically, make bite be in the state of 4 clampings all the time, strengthen the chucking power of nipping clamp, it is far away to overcome stock forged shaft center of gravity, the phenomenon that rotary manipulation is ineffective, the arc radius of axle class jaw (20) is 15 millimeters to 25 millimeters (Fig. 4), can the clamping diameter is 120 millimeters to 300 millimeters stock forged shaft (Fig. 5); Mouth of tongs (3) is fixed on the tong arm (7) by fastener shaft (6), and tong arm (7) is fixed on the otic placode on the claw beam (9), so that whole nipping clamp and forging manipulator are combined together use by bearing pin (8).In order to adapt to the needs of the cake forging that jumping-up need horizontally rotate, be provided with four claw plates (4) at four angles of mouth of tongs (3), make it to have and rotate the function that the cake forging forges.The action that claw plate promotion forging rotates is the chucking power by means of nipping clamp, then finish (Fig. 3) during return by spring reverse motion, spring reverse motion is by the chucking power of torsional axis (10) by means of nipping clamp, drive claw plate (4) action, torsional axis (10) suit claw plate place is a square, remainder is cylindrical, be with rolling bearing (16) in the torsional axis (10), be used to reduce the frictional force between axle and axis hole, reduce the wearing and tearing of axis hole, improve the reseting performance of torsionspring (13), one end of torsionspring (13) places in the holddown groove of offering on the gland (12), the other end places in the groove of offering on the torsional axis (10), gland (12) is fixed on the mouth of tongs (3) by trip bolt (15), the end of torsional axis (10) is provided with check ring (14), prevents from clamping, torsional axis in the reseting procedure (10) comes off.Protective cover (11) is fixed on the mouth of tongs (3) by trip bolt (5), can play to prevent that heat radiation and lime-ash from falling into torsional axis and influencing result of use.

The nipping clamp that the utility model adopts can be simplified Forging Technology, cuts down the consumption of energy, and enhances productivity.Originally forge the forging of one 500 kilogram weight, need carry out plural forging process, forging will heat more than twice, just can finish forging process.After adopting nipping clamp of the present utility model, because the raising of mechanization degree, efficient is enhanced about more than once, and only uses a fire, just can finish the forging process of the identical forging of weight.Jumping-up cake forging particularly, realized horizontally rotating the function of forging, solved the key problem in technology of jumping-up cake forging, overcome the simple function of nipping clamp in the prior art, reached forging manipulator nipping clamp purpose applied widely, simple in structure, easy to use, realized finishing Forging Technology and other back work of different shape forging with one pair of nipping clamp.

Below, further specify implementation process of the present utility model by accompanying drawing.Wherein:

Accompanying drawing 1 is the nipping clamp signal of clamping stock forged shaft in the prior art;

Accompanying drawing 2 is the multi-functional nipping clamp signals of the utility model;

Accompanying drawing 3 is the A-A cutaway view;

Accompanying drawing 4 be B to view--axle class jaw schematic diagram;

Accompanying drawing 5 is to utilize the utility model to forge the signal of stock forged shaft;

Accompanying drawing 6 is the cake forging initial actuating signals that utilize the utility model jumping-up to horizontally rotate;

Accompanying drawing 7 is the forging rotation process signals that utilize the cake forging that the utility model jumping-up need horizontally rotate;

Among the figure: the 1st, little jaw, the 2nd, hinges, the 3rd, mouth of tongs, the 4th, claw plate, the 5th, trip bolt, the 6th, fastener shaft, the 7th, tong arm, the 8th, bearing pin, the 9th, claw beam, the 10th, torsional axis, the 11st, guard shield, the 12nd, gland, the 13rd, torsionspring, the 14th, check ring, the 15th, trip bolt, the 16th, rolling bearing, the 17th, hammer anvil, the 18th, forging, the 19th, forging hammer, the 20th, a class jaw.

Implementation process of the present utility model is to be example with the all-hydraulic swinging forging manipulator of 1.5 types, and wherein: the diameter of claw beam (9) is 210 millimeters, and wall thickness is 30 millimeters, and material is 45 ^#Forged steel; The diameter of bearing pin (8) is 80 millimeters, and material is 40Cr, and the Rockwell hardness after the Quenching Treatment is 50～55; Tong arm (7) thickness is 120 millimeters, with the width of claw beam otic placode junction be 200 millimeters, with the width of mouth of tongs (3) junction be 180 millimeters, material is 50Cr, the Rockwell hardness after the Quenching Treatment is 50～55; The material of three jaws is 50Cr, and the Brinell hardness after the modifier treatment is 280～320, and the outer edge thickness of mouth of tongs (3) is 80 millimeters, and interior edge thickness is 70 millimeters, and arc radius is 300 millimeters; The thickness of little jaw (1) is 50 millimeters, and arc radius is 140 millimeters; The arc radius of axle class jaw (20) is 20 millimeters; Claw plate (4) material is W18Cr4V, and thickness of slab is 20 millimeters, and the Rockwell hardness after the Quenching Treatment is 50～55; Torsional axis (10) material is 50Cr, and the Rockwell hardness after the Quenching Treatment is 45～50, and the top of axle is 40 * 40 millimeters square, 40 millimeters of lower diameter, and rolling bearing (16) is a standard component, torsionspring (13) material is 30W ₄CrV ₂, steel wire diameter is 4 millimeters; The total length of nipping clamp is 1000 millimeters.

Implementation process of the present utility model is to control clamping backward stick action in the nipping clamp claw beam (9) by the control system of forging manipulator, and when clamping pull bar and push away forward, binding clip opens, when clamping pull bar and pulling back, and the binding clip closure.When forging (18) was heated to predetermined temperature in heating furnace, nipping clamp presss from both sides out forging (18) from heating furnace delivered on the hammer anvil (17), and nipping clamp cooperates forging hammer (19) action, and forging (18) is forged into required form; During forging stock forged shaft (18) (Fig. 5), along radially the rotating of forged shaft the time, forging hammer (19) is beaten into the shape of technological requirement to binding clip to forging (18) with the instruction of forging manipulator; During jumping-up cake forging (Fig. 6), utilize the chucking power of nipping clamp, forging (18) contacts with four claw plates (4) gradually, along with the increase of clamping force, the tooth on the claw plate (4) blocks forging (18), and promotion forging (18) forges to the direction (Fig. 7) of arrow horizontally rotates an angle as circumference after, after finishing above-mentioned course of action, nipping clamp opens, and claw plate (4) is got back to initial position by the power of the torsionspring (13) in the spring reverse motion.Forge if forging (18) needs continuous horizontal to rotate, repeat above-mentioned action and can realize.

Claims

1, the multi-functional nipping clamp of a kind of forging manipulator, it is made up of claw beam, binding clip body, it is characterized in that the binding clip body is made up of tong arm, mouth of tongs, little jaw, axle class jaw etc., and three jaws are circular arc, little jaw is positioned at the mouth of tongs top, and axle class jaw then is positioned on the little jaw its axis and small forceps mouth axis normal, tong arm then connects with otic placode on the claw beam by bearing pin, so that whole nipping clamp and forging manipulator are combined together use.

2, the multi-functional nipping clamp of forging manipulator according to claim 1, four angles that it is characterized in that mouth of tongs are provided with four can be increased chucking power and rotate claw plate and the spring reverse motion that forging is used.

3, the multi-functional nipping clamp of forging manipulator according to claim 2, the arc radius that it is characterized in that mouth of tongs are 200 millimeters to 350 millimeters.

4, the multi-functional nipping clamp of forging manipulator according to claim 1, it is characterized in that little jaw is connected on the mouth of tongs with the form of hinges, mouth of tongs and small forceps mouth contact position are provided with the boss that the little jaw of control inwardly rotates with 10 ° of scopes and stops little jaw outwards to rotate.

5, the multi-functional nipping clamp of forging manipulator according to claim 4, the arc radius that it is characterized in that little jaw are 100 millimeters to 200 millimeters.

6, the multi-functional nipping clamp of forging manipulator according to claim 4, the arc radius that it is characterized in that the axle class jaw on the little jaw is 15 millimeters to 20 millimeters.