CN2472809Y - Group spring protectors for ball press - Google Patents

Abstract

The utility model discloses a spring protector for ball press, comprising a bracket fixed on the base and a buffer pull rod can slide in the bracket. An adjusting bolt is screwed at the end of the pull rod and abutting with a bearing bush seat. The central part of the pull rod is sheathed with a spring with one end abutting with the flange of the pull rod and the other end, the back end cover of the bracket. Rotating the adjusting bolt preloads the spring and realizes a clearance between the two trundles suits. When a hard object enters the trundles suit, the bearing seat and the pull rod make the spring compressed, then the hard object goes through the clearance to protect the trundles suit without stopping the machine to prevent the crushing of the trundles suit, thereby saving the maintenance time and expenses and improving the labor productivity.

Description

Pressure ball unit spring protector

The utility model relates to the roll sleeve protector on a kind of ball press.

Before the utility model proposes, the zinc concentrate ball of application such as zine-smelting plant, steel mill, magnesium ball etc. are by the ball press moulding, and this ball is by being pressed into behind two nip drum gaps of rotation in opposite directions on the ball press breeze.The outer rim of two nip drums studs with roll sleeve; if sneak in the breeze hard thing such as iron block by two roll the gap time; squeeze roll sleeve broken easily; in order to protect roll sleeve, now use insurance watt, this watt is contained on two cast iron squares of main frame; when entering hard thing between two roll sleeves; the displacement of bearing liner seat makes insurance watt fragmentation, must stop after the fragmentation to change influence production.And in actual applications, it is watt broken sometimes to enter the insurance of hard thing between two roll sleeves, and hard thing stops after the roll sleeve fragmentation and changes difficulty by force by making the roll sleeve fragmentation, and economic loss is big.

In order to solve the deficiencies in the prior art, the purpose of this utility model provides a kind of pressure ball unit spring protector, and when entering hard thing between ball press two roll sleeves, the protection roll sleeve is not squeezed bad, thereby boosts productivity, and reduces maintenance cost.

To achieve these goals, solution of the present utility model is: be fixed on the buffering pull bar that root can slide in support is set in the fixed support on the support leading portion, the tie rod end inner bolt hole is screwed with the adjustment bolt, and the thick head end of bolt heads on the bearing liner seat; The middle part of pull bar is with inner spring and outer spring, and an end of spring heads on the flange of pull bar, and the other end heads on the rear end cap of support.Adjusting bolt by rotation can make spring reach pretightning force and realize the working clearance required between two roll sleeves.When entering hard thing between the roll sleeve, the bearing liner seat heads on the adjustment bolt moves the buffering pull bar, the spring compression, and hard thing is smoothly by the gap, and each part of spring return is got back to duty.

Because such scheme has adopted the compression spring housing to make the reciprocating principle of pull bar energy on the buffering pull bar; do not shut down and prevent its fragmentation when entering hard thing between the roll sleeve that just can realize on the ball press; so this protector structure is simple; easy to operate; adjustable range is big; pressure stability is saved maintenance cost, raises labour productivity.

Be described further below in conjunction with drawings and embodiments.

Fig. 1 partly cuts open structure chart for the utility model.

In the drawings, the utility model pressure ball unit spring protector mainly is made up of adjustment bolt, buffering pull bar, fixed support, inside and outside spring.Be fixed on root buffering pull bar 5 is set in the fixed support 7 on the ball press support leading portion.This pull bar is the multidiameter shape, and its left end is provided with internal thread hole, and right-hand member is an external screw thread, and middle corresponding site has flange.Buffering pull bar 5 also can slide in the centre bore of lid by forward and backward end cap 6,10 supportings that link to each other with fixed support 7.Be screwed with on the left part internal thread hole of pull bar 5 and adjust bolt 3, be screwed with locknut 4 on this bolt and thick head end heads on bearing liner seat 2.The end that the middle part of pull bar 5 is with inner spring 8, outer spring 9, two springs heads on the flange on the pull bar, and the other end heads on the inboard of the rear end cap 10 of support 7; The effect of group spring is stable when making pull bar 5 motions, guarantees direction.The right-hand member screw thread place of pull bar 5 is with packing ring 11 and is screwed with nut 12, and nut 12 is positioned at relevant position on the pull bar 5 by pin 13, can prevent that also nut 12 is loosening.The course of work of the present utility model is: bolt 3 is adjusted in left and right rotation can make inside and outside spring 8,9 reach the required pretightning force of work, the working clearance between also adjustable simultaneously whole ball press two roll sleeves 1, has adjusted the back and has locked with locknut 4.Ball press work is pressed into breeze in the process of ball, if when sneaking into hard thing such as nugget, iron block in the breeze by the gap between two roll sleeves 1, stressed being subjected to displacement of roll sleeve moved bearing liner seat 2, and watt seat 2 heads on to be adjusted bolt 3 and move to right and drive buffering pull bar 5 and move to right and make inside and outside spring 8,9 compressions; Hard thing is by behind the gap, and inside and outside spring 8,9 each part of return are got back to normal operating conditions.Like this, just effectively prevent the destruction of roll sleeve crust, do not shut down the protection that realizes roll sleeve.

Claims (2)

1, a kind of pressure ball unit spring protector, it is characterized in that: be fixed on the buffering pull bar (5) that root can slide in support is set in the fixed support (7) on the support leading portion, the tie rod end inner bolt hole is screwed with adjusts bolt (3), and the thick head end of bolt (3) heads on bearing liner seat (2); The middle part of pull bar is with inner spring (8) and outer spring (9), and an end of inside and outside spring (8,9) heads on the flange of pull bar (5), and the other end heads on the rear end cap (10) of support (7).

2, pressure ball unit spring protector as claimed in claim 1; it is characterized in that: the external screw thread corresponding position that described buffering pull bar (5) is screwed with the other end of adjusting bolt (3) is with packing ring (11) and is screwed with nut (12), and nut (12) is positioned at pull bar (5) by pin (13) and goes up the relevant position.