CN2146315Y

CN2146315Y - Section-bending machine

Info

Publication number: CN2146315Y
Application number: CN 91225509
Authority: CN
Inventors: 张肇强; 张奡
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-09-27
Filing date: 1991-09-27
Publication date: 1993-11-17
Anticipated expiration: 2001-09-27

Abstract

The utility model discloses a metal bending machine. A dynamic force device, a speed reduction device and a driving device are used for driving two active pressure rollers whose positions are fixed to rotate, and a feeding mechanism is used for driving a driven pressure roller to move. The utility model is characterized in that a swing arm-typed swinging screw rod is used for feeding, the active and the driven upper pressure rollers can be lifted automatically, and the distance between the upper pressure rollers and the lower pressure roller can be freely adjusted. The utility model can be used for bending angle steels, band steels, T-shaped steels, H-shaped steels, square pipes, and channel steels of various specifications without adding and changing a clamping fixture, having a locating mechanism for batch process.

Description

Section-bending machine

The utility model relates to a kind of profile bender, belongs to the mechanical production devices field.

Usually, the manufacturing of the arched roof truss of architectural application, circular arc or round building ornament materials, the physical culture that has circular arc or circle and health and fitness facilities, section bar support, reinforcing hoop, flange, steel-pipe furniture etc., majority is to adopt the typing mold, semi-mechanization bends, and also is a kind of a kind of specification needs one cover mold of section bar even adopt machinery.Because the process medium section modification contraction edge size in bending thickens, give and unloading the very big difficulty of bringing alive.It is very big that general three circular bending machines move the pressure roller centripetal force, and the therefore manually near quite effort of giving as adopting mechanical feed, then increases the cost of equipment, and energy consumption strengthens and be wayward.

The purpose of this utility model, will overcome the shortcoming of prior art exactly, provide a kind of hand feed laborsaving, a cover pressure roller can be processed the plurality of specifications of multiple section bar and can curve various curvature, load and unload the profile bender very convenient, simple in structure, that energy consumption is low, efficient is high, easy to operate of living.

The utlity model has frame and the motor and the worm reducer that are installed on the gantry base, the belt pulley that is contained on the motor is connected with belt pulley on the worm gear reducer through belt, the output shaft gear of worm reducer be installed in two driving gears engagements on the driving shaft, two driving shafts be installed in respectively cover on the table top of frame and the worm reducer on, on the undersetting, in active, the initiative compression roller that lower compression roller is formed is installed in the axle head of driving shaft through the hold-down bolt of key and band garden platform, initiatively friction top is pressed on the garden platform of hold-down bolt, its external screw thread is connected with the internal thread of initiatively going up pressure roller, between initiative compression roller and driving shaft intermediate sleeve is housed; Column is rotatably installed on the upper and lower bearing that covers on the table top of frame and the snail decelerator; rocking arm is fastening to be installed on the column, and the one end is equipped with the swing screw, and the leading screw that is through in the screw is rotatably installed on the swing leading screw seat; handwheel is equipped with in its termination, and swing leading screw seat is fixed on the frame; The fastening centre position that is installed in swing arm of driven shaft, on driven, lower compression roller form from dynamic pressure roller through key, driven outer shaft, driven internal axle sleeve, the driven hold-down bolt of driven gland and band garden platform is installed on the driven shaft, driven gland is pressed in driven going up on the pressure roller, the garden platform of driven hold-down bolt is pressed on the driven gland, and with the internal taper hole that is contained in driven shaft in the male-tapered nut be connected, tightening cover is pressed on the garden platform of driven hold-down bolt in driven, its external screw thread is connected with the internal thread of driven gland, driven outer locking cap is pressed on the driven gland, and its external screw thread is connected with the driven internal thread of going up on the pressure roller.

Because feeding pressure roller of the present utility model is from dynamic pressure roller, can simplify transmission mechanism like this, drive is from the swing arm structure of dynamic pressure roller feeding, simple in structure, frictional force is little, from dynamic pressure roller between principal post and feed screw, not only laborsaving but also reduce the screw wearing and tearing, pressure roller is made up of upper and lower pressure roller and can be mentioned to adjust gap size by bolt, the plurality of specifications that can use a cover pressure roller to process multiple section bar like this, workpiece loading and unloading convenience, compact conformation, simple, goods geometric accuracy height, quality are good, saving of labor, energy consumption are low, thereby reach the purpose of this utility model.

Fig. 1 is the utility model structural representation front view.

Fig. 2 is the utility model structural representation vertical view.

Fig. 3 is an A-A profile among Fig. 2.

Fig. 4 is a B-B profile among Fig. 2.

Annex and work schematic diagram when Fig. 5 is curved tube.

Annex and work schematic diagram when Fig. 6 is interior crooked channel-section steel.

Work schematic diagram when Fig. 7 is interior crooked angle steel.

Work schematic diagram when Fig. 8 is crooked square tube.

Fig. 9 is a C-C profile among Fig. 2.

Figure 10 is that D among Fig. 9 is to view.

Below in conjunction with accompanying drawing the utility model is further elaborated.

The utlity model has frame 1 and the motor 2 and the worm reducer 3 that are installed on frame 1 base, the belt pulley 4 that is contained on the motor 2 is connected with belt pulley 6 on the worm reducer 3 through belt 5, the output shaft gear 7 of worm reducer 3 be installed in two driving gears 9 engagements on the driving shaft 8, two driving shafts 8 be installed in respectively cover on the table top of frame 1 and the worm reducer 3 on, undersetting 10, on 11, have by garden week in the active of groove,

lower compression roller

12,13 initiative compression rollers of forming 14 are installed in the axle head of driving shaft 8 through the hold-down bolt 17 of key 15 and band garden platform 16, initiatively friction top 18 is pressed on the garden platform 16 of hold-down bolt 17, its external screw thread is connected with the internal thread of initiatively going up pressure roller 12, between initiative compression roller 14 and driving shaft 8 intermediate sleeve 19 is housed; Column 20 is rotatably installed on the upper and

lower bearing

21,22 that covers on the table top of frame 1 and the snail decelerator 3; rocking arm 23 fastening being installed on the column 20; the one end is equipped with swing screw 24; leading screws 25 that are through in the screw 24 are rotatably installed on the swing leading screw seat 26; handwheel 27 is equipped with in its termination, and swing leading screw seat 26 is fixed on the frame 1; The driven shaft 28 fastening centre positions that are installed in swing arm 23, on driven,

lower compression roller

29,30 form from dynamic pressure roller 31 through key 32, driven outer shaft 33, driven internal axle sleeve 34, the driven hold-down bolt 37 of driven gland 35 and band garden platform 36 is installed on the driven shaft 28, driven gland 35 is pressed in driven going up on the pressure roller 29, the garden platform 36 of driven hold-down bolt 37 is pressed on the driven gland 35, and be connected with male-tapered nuts 39 in the internal taper hole 38 that is contained in driven shaft 28, tightening cover 40 is pressed on the garden platform 36 of driven hold-down bolt 37 in driven, its external screw thread is connected with the internal thread of driven gland 35, driven outer locking cap 41 is pressed on the driven gland 35, and its external screw thread is connected with the driven internal thread of going up on the pressure roller 29.Positioning guide column 42 is installed on the table top of frame 1 through front and back guide pillar bearing 43,44, locating piece 45 is installed on the positioning guide column 42 and with lock-screw 46 location, and collision block 47 is installed in from dynamic pressure roller 31 and when contacting with locating piece 45 during with swing arm 23 feedings from dynamic pressure roller 31.

When operation, counterclockwise rotate initiatively hold-down bolt 17 with spanner, make and initiatively go up pressure roller 12 and mention; Or counterclockwise rotate driven hold-down bolt 37 with spanner, because inertia male-tapered nut 39 keeps static, driven hold-down bolt 37 is withdrawed from from male-tapered nut 39, make male-tapered nut 39 move down with driven shaft 28 on internal taper hole 38 tightly fit together, when being rotated further driven hold-down bolt 37 again, the driven pressure roller 29 of going up is mentioned, workpiece put into initiatively or driven on, between the lower compression roller, clockwise direction rotates initiatively or driven hold-down bolt 17 again, 37, workpiece is clamped, the handwheel 27 of rotational lead screw 25 terminations, making rocking arm 23 is that center of rotation is swung towards handwheel 27 directions with column 20, and make fastening moving towards two initiative compression rollers, 14 directions of being installed on it from dynamic pressure roller 31, bump against locating piece 45 on the positioning guide column 42, backward rotation handwheel 27 until being contained in collision block 47 from the dynamic pressure roller 31, make from dynamic pressure roller 31 and withdraw from, counterclockwise rotate active or driven hold-down

bolt

17,37, take out workpiece, finish buckling work.

When crooked garden manages 48, the additional garden of driving and driven pressure roller pipe tire wheel 49,50 is installed between upper and

lower pressure roller

12,13 of active and the driven upper and

lower pressure roller

29,30;

When interior curved channel-section steel 51, channel-section steel inner tube of a tyre wheel 52 is installed between the driven upper and

lower pressure roller

29,30;

When inside corners steel 53, the horizontal tail of angle steel 53 is placed between the driven upper and

lower pressure roller

29,30;

When crooked square tube 54, square tube 54 is placed initiatively between the upper and

lower pressure roller

12,13.

Claims

1, a kind of profile bender, it is characterized in that peace has frame (1) and is installed in motor (2) and spiral shell wheel decelerator (3) on frame (1) base, the belt pulley (4) that is contained on the motor (2) is connected with belt pulley (6) on the worm gear reducer (3) through this band (5), the output shaft gear (7) of worm reducer (3) and driving gear (9) engagement that is installed on two driving shafts (8), two driving shafts (8) be installed in respectively cover on the table top of frame (1) and the worm reducer (3) on, undersetting (10), (11) on, in active, lower compression roller (12), (13) initiative compression roller of Zu Chenging (14) is installed in the axle head of driving shaft (8) through the hold-down bolt (17) of key (15) and band garden platform (16), initiatively friction top (18) is pressed on the garden platform (16) of hold-down bolt (17), its external screw thread is connected with the internal thread of initiatively going up pressure roller (12), between initiative compression roller (14) and driving shaft (8) intermediate sleeve (19) is housed; Column (20) is rotatably installed on the upper and lower bearing (21) that covers on the table top of frame (1) and the snail decelerator (3), (22); rocking arm (23) is fastening to be installed on the column (20); the one end is equipped with swing screw (24); the leading screw (25) that is through in the screw (24) is rotatably installed on the swing leading screw seat (26); handwheel (27) is equipped with in its termination, and swing leading screw seat (26) is fixed on the frame (1); The fastening centre position that is installed in swing arm (23) of driven shaft (28), on driven, lower compression roller (29), (30) form from dynamic pressure roller (31) through key (32), driven outer shaft (33), driven internal axle sleeve (34), the driven hold-down bolt (37) of driven gland (35) and band garden platform (36) is installed on the driven shaft (28), driven gland (35) is pressed in driven going up on the pressure roller (29), the garden platform (36) of driven hold-down bolt (37) is pressed in driven gland (on 35), and with the internal taper hole that is contained in driven shaft (28) (38) in male-tapered nut (39) be connected, tightening cover (40) is pressed on the garden platform (36) of driven hold-down bolt (37) in driven, its external screw thread is connected with the internal thread of driven gland (35), driven outer locking cap (41) is pressed on the driven gland (35), and its external screw thread is connected with the driven internal thread of going up on the pressure roller (29).

2, profile bender according to claim 1, it is characterized in that it also has the positioning guide column (42) that is installed in through forward and backward guide pillar bearing (43), (44) on the table top of frame (1), the positioning guide column (42) that is installed in locating piece (45) goes up and with lock-screw (46) location, collision block (47) be installed in from dynamic pressure roller (31) last and when from dynamic pressure roller (31) during with swing arm (23) feed energy contact with locating piece (45).

3,, it is characterized in that the garden week of the upper and lower pressure roller of described active (12), (13) has groove according to claim 1,2 described profile benders.