CN110756626A - Multi-specification special-shaped channel steel self-adaptive 3D cold bending forming device - Google Patents

Abstract

The invention relates to a multi-specification special-shaped channel steel self-adaptive 3D cold-bending forming device, comprising: an overall fine-tuning mechanism, an angle wheel deflection mechanism, a channel steel support mechanism, an oblique wheel left-right movement mechanism and an oblique wheel up and down movement mechanism; the overall fine-tuning mechanism includes: The first servo motor, the transmission shaft, the bevel gear, the bracket rotating bevel gear, the main bracket and the frame; the first servo motor is connected with one end of the transmission shaft through the first coupling, the other end of the transmission shaft is connected with the bevel gear, and the bevel gear and The rotating bevel gear of the support is matched with the rotating bevel gear of the support, the rotating bevel gear of the support is connected with the main support, and the transmission shaft is matched with the frame through the bearing. The beneficial effects of the present invention are as follows: the overall fine-tuning mechanism of the present invention realizes the overall fine-tuning of the running direction of the profile through the bevel gear pair, and realizes the variable-section forming of the profile; realizes the required over-folding; 3D adjustment of thickness and bending position to ensure the formation of multi-specification special-shaped cross-sections.

Description

An adaptive 3D cold bending forming device for multi-specification special-shaped channel steel

technical field

The invention relates to a cold bending forming device, in particular to an adaptive 3D cold bending forming device for multi-specification special-shaped channel steel.

Background technique

The self-adaptive 3D cold forming device for special-shaped channel steel is mainly used for bending and forming raw materials such as strip steel that has undergone slitting hot rolling or cold rolling. Cold-formed steel is widely used in construction, ships, nuclear power, automobiles, railways and roads National Key Areas and Engineering. German Data M company based on its self-developed COPERA simulation software, Sweden ORTIC company uses finite element analysis method to accurately design the roll profile curve and working parameters of each roller table, and uses 3D (three-dimensional) servo control technology to accurately control the key pass roll angles And position, effectively avoid the abnormal deformation area of section steel, and realize flexible and intelligent manufacturing of multi-specification special-shaped channel steel.

At present, the cold bending forming process of thicker steel strips in China is immature, and it is difficult to meet the needs of special-shaped channel steel in construction and other industries. Adaptable device, the flexibility of channel steel forming and manufacturing needs to be improved.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies in the prior art, and to provide a multi-specification special-shaped channel steel self-adaptive 3D cold bending forming device.

This multi-specification special-shaped channel steel adaptive 3D cold forming device includes an overall fine-tuning mechanism, an angle wheel deflection mechanism, a channel steel support mechanism, an oblique wheel left and right moving mechanism and an inclined wheel up and down moving mechanism;

The overall fine-tuning mechanism includes a first servo motor, a transmission shaft, a bevel gear, a bracket rotating bevel gear, a main bracket and a frame; the first servo motor is connected to one end of the transmission shaft through a first coupling, and the other end of the transmission shaft is connected to the bevel gear. , the bevel gear is matched with the rotating bevel gear of the support, the rotating bevel gear of the support is connected with the main support, and the transmission shaft is matched with the frame through the bearing;

The angle wheel deflection mechanism includes a second servo motor, a first lead screw, an upper bracket, a third ball screw pair, a first guide rail bracket, an angle wheel and a lower bracket; the second servo motor is fixed on the main bracket, and the second servo motor The second coupling is connected with the first lead screw, the upper bracket is connected and fixed with the third ball screw pair, the third ball screw pair slides on the first guide rail bracket through the rotation of the first lead screw, and the angle wheel is connected with the upper The bracket is connected and fixed, the lower bracket is connected with the main bracket, and the lower end of the angle wheel slides in the groove of the lower bracket;

The channel steel support mechanism includes a cantilever beam, a first end cover, a roller and a second end cover; one end of the cantilever beam is connected to the main support through a bearing, the first end cover is connected and fixed to the cantilever beam, and the stepped shaft at one end of the cantilever beam is matched with the roller. , the second end cover is connected and fixed with the cantilever beam;

The left and right moving mechanism of the oblique wheel includes a third servo motor, a slider, a second lead screw, an upper bracket of the oblique wheel, a lower bracket of the oblique wheel, a first ball screw pair, a second guide rail bracket, a shaft and an oblique wheel; the third servo motor Fixed on the slider, the third servo motor is connected with the second lead screw through the third coupling, the slider is connected and fixed with the upper bracket of the bevel wheel, the lower bracket of the bevel wheel is connected with the upper bracket of the bevel wheel, and the first ball screw The pair slides on the second guide rail bracket through the rotation of the second lead screw, the first ball screw pair is connected and fixed with the lower bracket of the bevel wheel, the lower bracket of the bevel wheel is connected with the shaft, and the shaft is connected with the bevel wheel;

The up-and-down movement mechanism of the inclined wheel includes a fourth servo motor, a third lead screw, a second ball screw pair and a third guide rail bracket; the fourth servo motor is fixed on the main bracket, and the fourth servo motor is connected to the third through the fourth coupling. The three lead screws are connected, the second ball screw pair slides on the third guide rail bracket through the rotation of the third lead screw, and the second ball screw pair and the lower end of the slider are fixed by bolts.

Preferably, the transmission shaft is connected with the bevel gear through a flat key; the support rotating bevel gear and the main support are connected by a key.

Preferably, the upper bracket and the third ball screw pair are fixed by screws; the angle wheel and the upper bracket are fixed by threaded connection; the lower bracket is connected with the main bracket through a fixed hinge.

Preferably, the first end cover and the cantilever beam are fixed by screws; the second end cover and the cantilever beam are fixed by double screws.

As a preference: the slider and the upper bracket of the bevel wheel are fixed by bolts; the lower bracket of the bevel wheel and the upper bracket of the bevel wheel are matched and connected through the dovetail groove; the first ball screw pair and the lower bracket of the bevel wheel are fixed by bolts; the lower bracket of the bevel wheel is connected to the shaft Connected by thread; the shaft and the bevel wheel are connected by thread.

Preferably, the second ball screw pair is connected and fixed with the lower end of the slider.

The beneficial effects of the present invention are: the overall fine-tuning mechanism of the present invention realizes the overall fine-tuning of the running direction of the profile through the bevel gear pair, and realizes the variable-section forming of the profile; the angle wheel deflection mechanism controls the left and right positions of the angle wheel according to the thickness and material strength of the profile, and adjusts the forming. The pressure angle can achieve the required over-folding amount; the left and right moving mechanism of the inclined wheel controls the left and right positions of the inclined wheel, and works together with the angle wheel to realize the bending of the steel strip at different positions; the up and down moving mechanism of the inclined wheel controls the bending of the inclined wheel The upper and lower positions work together with the supporting roller to exert a certain pressure on the steel belt. The invention can realize the 3D adjustment of the advancing direction, the thickness and the bending position when the profile is formed, so as to ensure the forming of multi-specification special-shaped cross-sections.

Description of drawings

Figure 1 is a schematic diagram of the structure of an adaptive 3D cold bending forming device for multi-specification special-shaped channel steel.

Description of reference numerals: first servo motor 1, first coupling 2, transmission shaft 3, bevel gear 4, bracket rotating bevel gear 5, main bracket 6, frame 7, second servo motor 8, second coupling 9, the first lead screw 10, the upper bracket 11, the first rail bracket 12, the angle wheel 13, the lower bracket 14, the cantilever beam 15, the first end cover 16, the roller 17, the second end cover 18, the third servo motor 19. The slider 20, the third coupling 21, the second lead screw 22, the upper bracket of the bevel wheel 23, the lower bracket of the bevel wheel 24, the first ball screw pair 25, the second guide rail bracket 26, the shaft 27, the bevel wheel 28. The fourth servo motor 29 , the fourth coupling 30 , the third screw 31 , the second ball screw pair 32 , the third guide rail bracket 33 , and the third ball screw pair 34 .

Detailed ways

The present invention will be further described below in conjunction with the embodiments. The following examples are illustrative only to aid in the understanding of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

The multi-specification special-shaped channel steel self-adaptive 3D cold bending forming device realizes 3D adjustment of the advancing direction, thickness and bending position during profile forming, and ensures the multi-specification special-shaped cross-section forming. It is mainly composed of servo motor, ball screw pair, machine It is composed of a frame, a supporting wheel, an angle wheel, a bevel wheel, a bevel gear pair, a bracket and a slider. The overall fine-tuning mechanism realizes the overall fine-tuning of the running direction of the profile through the bevel gear pair, and realizes the variable cross-section forming of the profile; the angle wheel deflection mechanism controls the left and right positions of the angle wheel according to the profile thickness and material strength, and adjusts the forming pressure angle to achieve the required amount of overfolding. ; The left and right moving mechanism of the inclined wheel controls the left and right position of the inclined wheel, and works together with the angle wheel to realize the bending of the steel strip at different positions; Apply a certain pressure to the steel belt. The devices are usually arranged symmetrically in pairs to realize the forming of special-shaped profiles.

The multi-specification special-shaped channel steel self-adaptive 3D cold-bending forming device includes an overall fine-tuning mechanism, an angle wheel deflection mechanism, a channel steel support mechanism, a left and right movement mechanism of an inclined wheel, and an up and down movement mechanism of the inclined wheel.

The overall fine-tuning mechanism, the first servo motor 1 is connected to one end of the transmission shaft 3 through the first coupling 2, the other end of the transmission shaft 3 is connected to the bevel gear 4 through a flat key, the bevel gear 4 is matched with the bracket rotating bevel gear 5, and the bracket The rotating bevel gear 5 and the main bracket 6 are connected by a key, and the transmission shaft 3 and the frame 7 are connected by a bearing fit.

Angle wheel deflection mechanism, the second servo motor 8 is fixed on the main bracket 6, the second servo motor 8 is connected with the first screw 10 through the second coupling 9, the upper bracket 11 and the third ball screw pair 34 are connected by screws Fixed, the third ball screw pair 34 can slide on the first guide rail bracket 12 through the rotation of the first lead screw 10, the angle wheel 13 is fixed with the upper bracket 11 by threaded connection, the lower bracket 14 is connected with the main bracket 6 through a fixed hinge, The lower end of the angle wheel 13 can slide in the groove of the lower bracket 14 .

Channel steel support mechanism, one end of the cantilever beam 15 is connected to the main support 6 through a bearing, the first end cover 16 and the cantilever beam 15 are fixed by screws, the stepped shaft at one end of the cantilever beam 15 is matched with the roller 17, and the second end cover 18 is connected to the cantilever. The beam 15 is fixed by double screws.

The left and right movement mechanism of the oblique wheel, the third servo motor 19 is fixed on the slider 20, the third servo motor 19 is connected with the second lead screw 22 through the third coupling 21, and the slider 20 and the upper bracket 23 of the oblique wheel are fixed by bolts , the lower bracket 24 of the bevel wheel is connected with the upper bracket 23 of the bevel wheel through the dovetail groove, the first ball screw pair 25 can be slid on the second guide rail bracket 26 through the rotation of the second screw screw 22, and the first ball screw pair 25 and The lower bracket 24 of the bevel wheel is fixed by bolts, the lower bracket 24 of the bevel wheel is connected with the shaft 27 through threads, and the shaft 27 and the bevel wheel 28 are connected by screws.

The up and down movement mechanism of the inclined wheel, the fourth servo motor 29 is fixed on the main bracket 6, the fourth servo motor 29 is connected with the third lead screw 31 through the fourth coupling 30, and the second ball screw pair 32 is connected by the third lead screw 31 can be rotated on the third guide rail bracket 33 to slide, and the second ball screw pair 32 and the lower end of the slider 20 are fixed by bolts.

Claims (6)

1. The utility model provides a many specifications dysmorphism channel-section steel self-adaptation 3D forming device that colds bending which characterized in that: the device comprises an integral fine adjustment mechanism, an angle wheel deflection mechanism, a channel steel supporting mechanism, an oblique wheel left-right moving mechanism and an oblique wheel up-down moving mechanism;

the integral fine adjustment mechanism comprises a first servo motor (1), a transmission shaft (3), a bevel gear (4), a bracket rotating bevel gear (5), a main bracket (6) and a rack (7); the first servo motor (1) is connected with one end of a transmission shaft (3) through a first coupler (2), the other end of the transmission shaft (3) is connected with a bevel gear (4), the bevel gear (4) is matched with a support rotating bevel gear (5), the support rotating bevel gear (5) is connected with a main support (6), and the transmission shaft (3) is matched with a rack (7) through a bearing;

the angle wheel deflection mechanism comprises a second servo motor (8), a first lead screw (10), an upper bracket (11), a third ball screw pair (34), a first guide rail bracket (12), an angle wheel (13) and a lower bracket (14); a second servo motor (8) is fixed on the main support (6), the second servo motor (8) is connected with a first lead screw (10) through a second coupler (9), an upper support (11) is fixedly connected with a third ball screw pair (34), the third ball screw pair (34) slides on a first guide rail support (12) through the rotation of the first lead screw (10), an angle wheel (13) is fixedly connected with the upper support (11), a lower support (14) is connected with the main support (6), and the lower end of the angle wheel (13) slides in a groove of the lower support (14);

the channel steel supporting mechanism comprises a cantilever beam (15), a first end cover (16), a roller (17) and a second end cover (18); one end of a cantilever beam (15) is connected with the main support (6) through a bearing, a first end cover (16) is fixedly connected with the cantilever beam (15), a stepped shaft at one end of the cantilever beam (15) is matched with a roller (17), and a second end cover (18) is fixedly connected with the cantilever beam (15);

the left-right moving mechanism of the oblique wheel comprises a third servo motor (19), a sliding block (20), a second lead screw (22), an upper bracket (23) of the oblique wheel, a lower bracket (24) of the oblique wheel, a first ball screw pair (25), a second guide rail bracket (26), a shaft (27) and the oblique wheel (28); a third servo motor (19) is fixed on a sliding block (20), the third servo motor (19) is connected with a second lead screw (22) through a third coupler (21), the sliding block (20) is connected and fixed with an upper bracket (23) of a bevel wheel, a lower bracket (24) of the bevel wheel is connected with the upper bracket (23) of the bevel wheel in a matching way, a first ball screw pair (25) slides on a second guide rail bracket (26) through the rotation of the second lead screw (22), the first ball screw pair (25) is connected and fixed with the lower bracket (24) of the bevel wheel, the lower bracket (24) of the bevel wheel is connected with a shaft (27), and the shaft (27) is connected with the bevel wheel (28);

the bevel wheel up-and-down moving mechanism comprises a fourth servo motor (29), a third screw (31), a second ball screw pair (32) and a third guide rail bracket (33); the fourth servo motor (29) is fixed on the main support (6), the fourth servo motor (29) is connected with a third screw (31) through a fourth coupler (30), the second ball screw pair (32) slides on a third guide rail support (33) through rotation of the third screw (31), and the second ball screw pair (32) is fixed with the lower end of the sliding block (20) through a bolt.

2. The adaptive 3D cold roll forming device for the multi-specification special-shaped channel steel according to claim 1, characterized in that: the transmission shaft (3) is connected with the bevel gear (4) through a flat key; the bracket rotating bevel gear (5) is connected with the main bracket (6) through a key.

3. The adaptive 3D cold roll forming device for the multi-specification special-shaped channel steel according to claim 1, characterized in that: the upper bracket (11) and the third ball screw pair (34) are fixed through screws; the angle wheel (13) is fixedly connected with the upper bracket (11) through threads; the lower bracket (14) is connected with the main bracket (6) through a fixed hinge.

4. The adaptive 3D cold roll forming device for the multi-specification special-shaped channel steel according to claim 1, characterized in that: the first end cover (16) and the cantilever beam (15) are fixed through screws; the second end cover (18) and the cantilever beam (15) are fixed through double screws.

5. The adaptive 3D cold roll forming device for the multi-specification special-shaped channel steel according to claim 1, characterized in that: the slide block (20) is fixed with the upper bracket (23) of the oblique wheel through a bolt; the bevel wheel lower bracket (24) is connected with the bevel wheel upper bracket (23) in a matched manner through a dovetail groove; the first ball screw pair (25) is fixed with the lower bracket (24) of the bevel wheel through a bolt; the lower bracket (24) of the bevel wheel is connected with the shaft (27) through threads; the shaft (27) is connected with the oblique wheel (28) through screw threads.

6. The adaptive 3D cold roll forming device for the multi-specification special-shaped channel steel according to claim 1, characterized in that: the second ball screw pair (32) is fixedly connected with the lower end of the sliding block (20).

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