CN218168212U

CN218168212U - Square tube single-side forming machine

Info

Publication number: CN218168212U
Application number: CN202222758172.8U
Authority: CN
Inventors: 冯红蝶; 张辰腾; 赵竑; 范飞
Original assignee: Shijiazhuang Teneng Electrical & Mechanical Equipment Co ltd
Current assignee: Shijiazhuang Teneng Electrical & Mechanical Equipment Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2022-12-30
Anticipated expiration: 2032-10-19

Abstract

The utility model provides an unilateral make-up machine in side pipe belongs to square pipe forming technology field, include: the upper roll fine adjustment seat is fixedly arranged on the base, and a fine adjustment screw rod is arranged on the upper roll fine adjustment seat; the upper roll support slides on the base, the fine adjustment screw rod is in threaded connection with the upper roll support, and the fine adjustment screw rod rotates to drive the upper roll support to linearly move; the upper roller assembly is fixedly arranged on the upper roller bracket and comprises an upper roller; the lower roll component is fixedly arranged on the base and comprises a lower roll, and a rolling gap is formed between the upper roll and the lower roll. The utility model discloses utilize the fine setting lead screw to promote to go up roller support back-and-forth movement, go up the roller support and drive roller assembly synchronous motion, can realize the fine setting in the rolling clearance between roller and the lower roll, solve and go up roller and lower roll because the rolling clearance error that the increase of wearing and tearing leads to and the poor problem of unilateral shaping precision that the preparation error of steel band self thickness caused, promote the fashioned precision of side's pipe.

Description

Square tube single-side forming machine

Technical Field

The utility model belongs to the technical field of the square pipe shaping, concretely relates to unilateral make-up machine of side pipe.

Background

The production of the square steel pipe is generally formed by directly cold rolling a steel strip, the square steel pipe has four included angles, so that the square steel pipe has great difference with the production of common round steel, the process window in the production of the sharp-angle square pipe is small, one corner is a right angle, and the other three corners are round corners and are high in model adjustment and control difficulty. Compared with the common steel pipe, the falling mass production of the sharp-angled square pipe has higher technical barriers.

The rolling technology of present closed angle square pipe is generally unilateral, namely in the roll bending process, the right-angle side of closed angle square pipe is firstly rolled, the opposite side of the right-angle side is rolled to a certain angle by the right-angle side, the side with two fillets is rolled to a certain angle by the side with two fillets, and a group of oblique insert rollers is adopted to complete the rest rolling process.

The existing production technology has great technical defects in actual production: need the cooperation of a plurality of special-shaped rolls in unilateral closed angle rolling production process, rolling clearance between the special-shaped roll can't be adjusted, but along with long-time use, the cooperation clearance increase between special-shaped roll and the steel band is caused to the increase of the wearing and tearing volume of special-shaped roll and the preparation error of steel band, influences the shaping precision of closed angle, leads to the poor problem of square pipe shaping precision.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an unilateral make-up machine of square pipe through the fine setting to rolling clearance between the special-shaped roll, solves the poor problem of square pipe closed angle shaping precision.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a unilateral make-up machine of square pipe, includes:

a base;

the upper roller fine adjustment seat is fixedly arranged on the base, and a fine adjustment screw rod is arranged on the upper roller fine adjustment seat;

the fine adjustment screw rod is in threaded connection with the upper roll support;

the upper roller assembly is fixedly arranged on the upper roller support and comprises an upper roller; and

the lower roll component is fixedly arranged on the base and comprises a lower roll, and a rolling gap is formed between the upper roll and the lower roll.

In a possible implementation mode, the upper roll fine adjustment seat is provided with an arc-shaped groove for supporting the fine adjustment screw rod.

In a possible realization, the upper roller fine adjustment seat is fastened to the base by means of bolts.

In a possible implementation mode, the upper roll support is provided with a threaded hole in threaded connection with the fine adjustment screw rod.

In a possible implementation manner, the upper roll support is provided with a reinforcing rib.

In a possible implementation mode, the upper roll component further comprises a lifting motor, an upper roll seat, a lifting lead screw and a lifting support, the upper roll seat is fixed on the upper roll support, the upper end of the lifting lead screw is connected with the lifting motor, the lower end of the lifting lead screw is in threaded connection with the lifting support, and the upper roll is rotatably connected onto the lifting support through the upper roll shaft.

In a possible implementation manner, a lifting screw sleeve is arranged on the lifting support, and the lifting screw rod is in threaded connection with the lifting screw sleeve.

In a possible implementation manner, the lower roll assembly further comprises a lower roll driving motor, a lower roll seat and a lower roll shaft, the lower roll seat is fixed on the base, the lower roll shaft is rotatably connected to the lower roll seat, the lower roll driving motor is connected to one end of the lower roll shaft, and the lower roll shaft is connected to the lower roll shaft in a key mode.

In a possible implementation mode, the device further comprises a transverse moving assembly, and the transverse moving assembly comprises a transverse moving seat and a transverse moving screw rod in threaded connection with the base.

In a possible implementation mode, the traversing lead screw is rotatably connected with the traversing seat through a bearing, and an oil hole communicated with the bearing is formed in the traversing seat.

The utility model provides an unilateral make-up machine of side pipe, compared with the prior art, beneficial effect lies in: the fine adjustment screw rod is used for pushing the upper roller support to move back and forth, the upper roller support drives the upper roller assembly to move synchronously, fine adjustment of a rolling gap between the upper roller and the lower roller can be achieved, the problem that the single-side forming precision is poor due to rolling gap errors caused by increase of abrasion loss of the upper roller and the lower roller and manufacturing errors of the thickness of a steel belt is solved, and the forming precision of the square pipe is improved.

Drawings

Fig. 1 is a schematic view of a structure of a square tube single-side forming machine according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a right side view structure of the square tube single-sided forming machine provided in the embodiment of FIG. 1;

FIG. 3 is a view of the square tube single-sided molding machine shown in FIG. 1;

FIG. 4 is a schematic front view of the upper roll support of FIG. 1;

FIG. 5 is a schematic right side elevational view of the upper roller support illustrated in FIG. 4;

FIG. 6 is a schematic view of a matching structure of an upper roller and a lower roller of the square tube single-sided forming machine provided in the embodiment of FIG. 1;

FIG. 7 is a schematic diagram of a right side view of the lower roller seat provided in the embodiment of FIG. 1;

FIG. 8 is a schematic front view of the lower roller seat provided in the embodiment of FIG. 1;

FIG. 9 is a schematic diagram illustrating a right side view of the lower roller base provided in the embodiment of FIG. 8;

FIG. 10 is a schematic front view of the base of the embodiment shown in FIG. 1;

FIG. 11 is a schematic diagram of a right-view structure of the lower roller base provided in the embodiment of FIG. 10;

description of the reference numerals:

1. a base; 2. an upper roll fine adjustment seat; 3. fine adjustment of a screw rod; 4. an upper roll support; 5. a lower roll; 6. upper roll; 7. transversely moving the screw rod; 8. transversely moving the threaded sleeve; 9. a traversing seat; 10. a lower roller seat; 11. a lower roll shaft; 12. reinforcing ribs; 13. a lifting support; 14. an upper roller seat; 15. a lifting screw rod; 16. a lifting motor; 17. and an oil filling hole.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2 and fig. 6, the square tube single-side forming machine of the present invention will now be described. Unilateral make-up machine in square pipe includes: the device comprises a base 1, an upper roller fine adjustment seat 2, an upper roller support 4, an upper roller assembly and a lower roller assembly, wherein the upper roller fine adjustment seat 2 is fixedly arranged on the base 1, and a fine adjustment screw rod 3 is arranged on the upper roller fine adjustment seat 2; the upper roll support 4 slides on the base 1, the fine adjustment screw rod 3 is in threaded connection with the upper roll support 4, and the fine adjustment screw rod 3 rotates to drive the upper roll support 4 to move linearly; the upper roll component is fixedly arranged on the upper roll bracket 4 and comprises an upper roll 6; the lower roll subassembly sets firmly on base 1, and the lower roll subassembly includes lower roll 5, goes up and forms rolling clearance between roll 6 and the lower roll 5.

The utility model provides an unilateral make-up machine of side pipe, compared with the prior art, beneficial effect lies in: utilize fine setting lead screw 3 to promote the back-and-forth movement of last roller support 4, go up roller support 4 and drive roller assembly synchronous motion, can realize going up the fine setting of the rolling clearance between roller 6 and the lower roll 5, solve last roller 6 and lower roll 5 because the rolling clearance error that the increase of wearing and tearing volume leads to and the unilateral poor problem of shaping precision that the preparation error of steel band self thickness caused, promote the fashioned precision of square pipe.

In some embodiments, referring to fig. 1 and 2, and fig. 8 and 9, the upper roll fine adjustment seat 2 is provided with an arc-shaped groove for supporting the fine adjustment screw rod 3. Meanwhile, two limiting discs for limiting the movement in different directions are arranged on the fine adjustment screw rod 3, so that the fine adjustment screw rod 3 only has rotary motion and does not have linear motion.

Referring to some embodiments shown in fig. 1 and 2, the upper roll fine adjustment seat 2 is fastened on the base 1 through bolts, and the bolts are detachably connected to facilitate assembly.

In some embodiments, as shown in fig. 1, 4 and 5, the upper roller support 4 is provided with a threaded hole for screwing the fine adjustment screw rod 3.

As shown in fig. 1, 2, 4 and 5, the upper roller support 4 needs to have a high rigidity to support the upper roller assembly and ensure the positional accuracy of the upper roller assembly, so that the upper roller support 4 is provided with the reinforcing ribs 12 to improve the rigidity of the upper roller support 4 and improve the deformation resistance of the upper roller support 4.

In some embodiments, as shown in fig. 1 and 2, the upper roller assembly further includes a lifting motor 16, an upper roller seat 14, a lifting screw 15 and a lifting bracket 13, the upper roller seat 14 is fixed on the upper roller bracket 4, an upper end of the lifting screw 15 is connected with the lifting motor 16, a lower end of the lifting screw 15 is in threaded connection with the lifting bracket 13, and the upper roller 6 is rotatably connected to the lifting bracket 13 through the upper roller shaft. The upper roller 6 can be adjusted in the height direction by the rotation of the lifting screw rod 15 so as to use steel belts with different thicknesses for forming square pipes with different thicknesses.

As shown in fig. 1, 2, 4 and 5, an upper roller base 14 is fastened to the upper roller support 4 by a bolt, and the upper roller base 14 has a guiding function for the elevating support 13.

A bearing is arranged between the upper roller 6 and the upper roller shaft, an oil filling hole is arranged in the axial direction of the upper roller shaft and communicated with the bearing, and the friction resistance between the upper roller 6 and the upper roller shaft is reduced.

In some embodiments, as shown in fig. 1, the lifting bracket 13 is provided with a lifting screw sleeve, and the lifting screw 15 is screwed with the lifting screw sleeve. The lifting screw rod 15 is in threaded connection with the lifting threaded sleeve, and the rotation of the lifting screw rod 15 is converted into the linear motion of the lifting support 13.

In some embodiments, as shown in fig. 1 to 3 and 7, the lower roll assembly further comprises a lower roll 5 driving motor, a lower roll holder 10 and a lower roll shaft 11, wherein the lower roll holder 10 is fixed on the base 1, the lower roll shaft 11 is rotatably connected to the lower roll holder 10, the lower roll 5 driving motor is connected to one end of the lower roll shaft 11, and the lower roll 5 is keyed on the lower roll shaft 11.

As shown in fig. 1, fig. 2, fig. 10 and fig. 11, the utility model provides a unilateral make-up machine of square pipe still includes the sideslip subassembly, and the sideslip subassembly includes sideslip seat 9 and the sideslip lead screw 7 with base 1 spiro union. The transverse moving component is used for driving the base 1 to reciprocate left and right, so that the upper roller component and the lower roller component which are arranged on the base 1 move synchronously.

As shown in figure 1, a transverse moving threaded sleeve 8 is arranged on a base 1, and a transverse moving screw rod 7 is in threaded connection with the transverse moving threaded sleeve 8.

In some embodiments, as shown in fig. 1, the traverse screw 7 is rotatably connected with the traverse seat 9 through a bearing, an oil filling hole communicated with the bearing is arranged on the traverse seat 9, and an oil plug is arranged on the oil filling hole. Although the oil holes on the traversing seat 9 and the oil holes on the upper roller shaft are different in position, the oil holes have the same function, so that the oil holes at the two positions are not distinguished.

In the above embodiments, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described or recited in any embodiment.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a unilateral make-up machine of square pipe which characterized in that includes:

a base (1);

the upper roller fine adjustment seat (2) is fixedly arranged on the base (1), and a fine adjustment screw rod (3) is arranged on the upper roller fine adjustment seat (2);

the upper roll support (4) slides on the base (1), and the fine adjustment screw rod (3) is in threaded connection with the upper roll support (4);

the upper roller assembly is fixedly arranged on the upper roller support (4) and comprises an upper roller (6); and

the lower roll component is fixedly arranged on the base (1) and comprises a lower roll (5), and a rolling gap is formed between the upper roll (6) and the lower roll (5).

2. The square tube single-side forming machine according to claim 1, wherein the upper roller fine adjustment seat (2) is provided with an arc-shaped groove for supporting the fine adjustment screw rod (3).

3. The square pipe single-side forming machine according to claim 1, wherein the upper roller fine adjustment seat (2) is fastened on the base (1) through bolts.

4. The square tube single-side forming machine according to claim 1, wherein the upper roller bracket (4) is provided with a threaded hole for screwing the fine adjustment screw rod (3).

5. The square tube single-side forming machine according to claim 1, wherein the upper roll bracket (4) is provided with a reinforcing rib (12).

6. The square pipe single-side forming machine according to claim 1, wherein the upper roller assembly further comprises a lifting motor (16), an upper roller seat (14), a lifting screw rod (15) and a lifting support (13), the upper roller seat (14) is fixed on the upper roller support (4), the upper end of the lifting screw rod (15) is connected with the lifting motor (16), the lower end of the lifting screw rod (15) is in threaded connection with the lifting support (13), and the upper roller (6) is rotatably connected to the lifting support (13) through the upper roller shaft.

7. The square tube single-side forming machine according to claim 6, wherein the lifting bracket (13) is provided with a lifting screw sleeve, and the lifting screw rod (15) is in threaded connection with the lifting screw sleeve.

8. The square tube single-side forming machine according to claim 1, wherein the lower roller assembly further comprises a lower roller (5) driving motor, a lower roller seat (10) and a lower roller shaft (11), the lower roller seat (10) is fixed on the base (1), the lower roller shaft (11) is rotatably connected to the lower roller seat (10), the lower roller (5) driving motor is connected to one end of the lower roller shaft (11), and the lower roller (5) is connected to the lower roller shaft (11) in a key manner.

9. The square tube single-side forming machine as claimed in claim 1, further comprising a traverse assembly, wherein the traverse assembly comprises a traverse seat (9) and a traverse screw (7) screwed with the base (1).

10. The square tube single-side forming machine as claimed in claim 9, wherein the traverse screw rod (7) is rotatably connected with the traverse seat (9) through a bearing, and the traverse seat (9) is provided with an oil hole communicated with the bearing.