CN212019088U

CN212019088U - Pipe section angle forming machine

Info

Publication number: CN212019088U
Application number: CN202020288701.0U
Authority: CN
Inventors: 覃之演
Original assignee: Foshan Tonglijie Hardware Machinery Co Ltd
Current assignee: Foshan Tonglijie Hardware Machinery Co Ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-11-27
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a pipe profile angle forming machine, which comprises a machine head, a movable die, a first movable die driving mechanism, a fixed die and a second movable die driving mechanism, wherein the fixed die and the second movable die driving mechanism are fixed on the machine head, one side of the fixed die, which is opposite to the movable die, is provided with a containing groove for limiting a pipe profile inserted into the containing groove, and a shearing groove which is communicated with the containing groove in a cross way, and the shearing groove comprises two first inclined planes with a set included angle; the first movable die driving mechanism is connected with the movable die or a punching cutter on the movable die, and the second movable die driving mechanism is connected with the first movable die driving mechanism; and the second movable die driving mechanism is used for driving the first movable die driving mechanism and the movable die to be close to or far away from the fixed die, and when the punching knife on the movable die moves to be tangent to the shearing groove, the first movable die driving mechanism drives the punching knife to reciprocate in the shearing groove and shear the pipe section. The utility model discloses shaping angle standard, uniformity are good, easily welding, and smokeless no dust produces.

Description

Pipe section angle forming machine

Technical Field

The utility model relates to a hardware processing equipment technical field especially relates to a pipe section bar angle forming machine.

Background

Before the hardware pipe section is assembled with each other, the end part of the pipe section is generally required to be cut to meet the precision requirement and the matching requirement.

The existing hardware pipe profile is mainly formed by cutting first inclined planes with an angle of 45 degrees or other specific angles at two ends of the pipe profile by using traditional saw blade cutting equipment, and then splicing and welding the end faces of the pipe profile.

For example, the chinese utility model with the patent application number CN201821897657.2 discloses a double-head cutting saw for cutting an aluminum tube section at an angle of 45 degrees, the aluminum pipe section to be processed is placed on the clamping table, the positions of cutting mechanisms at two ends of the clamping table are adjusted along the main guide rail, so that two ends of the aluminum pipe section are respectively clamped with aluminum pipe section baffle plates on the moving platform, the aluminum pipe section is clamped and fixed on the clamping table, the cutter mounting frame moves along the cutting direction of the aluminum pipe profile under the hydraulic drive, the cutter driving motor drives the cutter to rotate to complete the cutting of the first inclined plane with the double-end angle of 45 degrees of the aluminum pipe profile, two ends of the whole cutting process are simultaneously carried out, one-step forming is carried out, the spraying device and the dust collection device are always kept in a running state in the cutting process, the aluminum pipe section and the cutter are cooled in real time, the safety of the cutting process is guaranteed, and meanwhile metal dust generated in the cutting process can be removed.

However, when the saw blade cutting equipment is used for sawing the pipe section, the saw blade cutting is easy to generate angle deviation, the subsequent splicing and welding effects are affected, the generated dust and noise pollution is large, and the device for cooling and dedusting is often required to work together; in addition, the process of splicing and welding the end faces of the sawed pipe profiles is complicated, so that the efficiency of the whole pipe profile cutting and assembling process is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a pipe section angle forming machine is provided, its shaping angle standard, work piece uniformity are good.

The utility model aims to solve the technical problem still in that, a pipe section angle forming machine is provided, its concatenation welding of being convenient for.

The utility model aims to solve the technical problem still in that, a pipe section angle forming machine is provided, and it is smokeless no dust production.

In order to solve the technical problem, the utility model provides a pipe section angle forming machine, which comprises a machine head, a fixed die fixedly connected with the machine head, a movable die arranged opposite to the fixed die, a first movable die driving mechanism and a second movable die driving mechanism,

the fixed die and the movable die are arranged on the same side of the fixed die, the fixed die and the movable die are opposite, the fixed die and the movable die are provided with a containing groove and a shearing groove, the containing groove is used for limiting a pipe section inserted into the containing groove, the shearing groove is communicated with the containing groove in a crossed manner, and the shearing groove comprises two first inclined planes with a set included angle;

the movable die is provided with a punching cutter, and the cross section of the punching cutter is matched with the shearing groove;

the first movable die driving mechanism is connected with the movable die or the punching cutter, and the second movable die driving mechanism is fixed with the machine head and is connected with the first movable die driving mechanism;

and the second movable die driving mechanism is used for driving the first movable die driving mechanism and the movable die to be close to or far away from the fixed die, and when the punching knife on the movable die moves to be tangent to the shearing groove, the first movable die driving mechanism drives the punching knife to reciprocate in the shearing groove and shear the pipe section.

As an improvement of the scheme, a first preset distance is arranged between the shearing groove and the groove bottom of the accommodating groove.

As an improvement of the scheme, the ratio of the wall thickness of the pipe section relative to one side of the bottom of the accommodating groove to the first preset distance is 1-10.

As an improvement of the above scheme, the length of the punch is smaller than that of the shearing groove, and when the second movable die driving mechanism drives the movable dies to move, second preset distances are respectively arranged between two end surfaces of the punch and two end portions of the shearing groove.

As an improvement of the scheme, the cross section of the shearing groove is an isosceles triangle or an isosceles trapezoid.

As an improvement of the scheme, second inclined planes are symmetrically arranged on two sides of the notch of the shearing groove, and an included angle between the second inclined planes is smaller than that between the first inclined planes.

As an improvement of the above scheme, a driving end of the second movable die driving mechanism is provided with a mounting seat, and the movable die is connected with the mounting seat in a sliding manner;

the first movable die driving mechanism is fixed with the mounting seat, and the driving end of the first movable die driving mechanism is fixedly connected with the movable die.

As an improvement of the scheme, a first guide pillar is arranged on the machine head, the first guide pillar is parallel to the moving direction of the first movable die driving mechanism, and a first guide cylinder matched with the first guide pillar is arranged on the mounting seat.

As an improvement of the above scheme, the machine head is fixed on the machine frame, the first movable die driving mechanism is a horizontal driving oil cylinder, and the second movable die driving mechanism is a lifting driving oil cylinder;

a hydraulic station is arranged on the rack and is connected with the lifting driving oil cylinder and/or the horizontal driving oil cylinder;

the frame is also provided with an oil cylinder bracket for elastically supporting the horizontal driving oil cylinder, one end of the horizontal driving oil cylinder is fixed with the mounting seat, and the other end of the horizontal driving oil cylinder is arranged on the oil cylinder bracket.

As an improvement of the above scheme, the oil cylinder bracket includes a second guide pillar, a pressure spring and a support seat, the second guide pillar is fixed to the frame, the pressure spring is sleeved outside the second guide pillar, the support seat is arranged on the pressure spring, a second guide cylinder matched with the second guide pillar is arranged at the top of the support seat, and the support seat is used for elastically supporting the horizontal driving oil cylinder.

Implement the utility model discloses, following beneficial effect has:

the utility model provides a pipe profile angle forming machine, wherein a holding tank and a shearing tank are arranged on one side of a fixed die opposite to a movable die, and a punching cutter matched with the shearing tank is arranged on one side of the movable die opposite to the fixed die, wherein the shearing tank and the holding tank are crossed and run through the holding tank; when the pipe section is subjected to angle forming, the pipe section is inserted into the containing groove, the containing groove plays a limiting role on the pipe section, the second movable die driving mechanism drives the movable die to be close to the fixed die, when the punching tool extends into the shearing groove, the punching tool breaks through the top surface of the pipe section and is tangent to the shearing groove, further, the first movable die driving mechanism drives the punching tool to reciprocate in the shearing groove, two side walls of the pipe section, which are positioned in the shearing groove, are cut off by the punching tool, and therefore, the angle of the pipe section is punched and formed; the pipe section is further bent, so that the shearing edges at two sides of the pipe section are folded and attached, the next welding treatment is facilitated, and the welding workload can be reduced; the angle punching is completed by matching the movable die and the fixed die, the forming angle is standard, the workpiece consistency is good, pipe profiles of different specifications and/or different angles can be punched by replacing the movable die, the fixed die and/or the punching knife of different models, the rigidity loss of the comparison sawing is less, and no smoke or dust is generated.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a pipe profile angle forming machine according to the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of the moving mold and the stationary mold of FIG. 1;

FIG. 4 is an enlarged schematic view of the stationary mold of FIG. 2;

FIG. 5 is a schematic view of the angle-formed tube profile;

fig. 6 is a schematic view of the bent pipe profile of fig. 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides an embodiment of a pipe section angle forming machine, including aircraft nose 1, with aircraft nose 1 fixed connection's cover half 2, with the movable mould 3 of cover half 2 relative setting to and first movable mould actuating mechanism 4 and second movable mould actuating mechanism 5. With reference to fig. 3 and 4, an accommodating groove 21 and a shearing groove 22 are formed in one side of the fixed die 2 opposite to the movable die 3, the accommodating groove 21 is used for limiting the pipe profile B inserted into the accommodating groove 21, the shearing groove 22 is in cross communication with the accommodating groove 21, and the shearing groove 22 includes two first inclined surfaces 221 with a set included angle; the movable die 3 is provided with a punching knife 31, and the cross section of the punching knife 31 is matched with the shearing groove 22; the first movable die driving mechanism 4 is connected with the movable die 3, and the second movable die driving mechanism 5 is fixed with the machine head 1 and is connected with the first movable die driving mechanism 4; the second movable die driving mechanism 5 is used for driving the first movable die driving mechanism 4 and the movable die 3 to be close to or far away from the fixed die 2, and when the punching knife 31 on the movable die 3 moves to be tangent to the shearing groove 22, the first movable die driving mechanism 4 drives the punching knife 31 to reciprocate in the shearing groove 22 and shear the pipe section B.

In the embodiment, the accommodating groove 21 and the shearing groove 22 are formed in one side of the fixed die 2 opposite to the movable die 3, and the punching tool 31 matched with the shearing groove 22 is arranged on one side of the movable die 3 opposite to the fixed die 2, wherein the shearing groove 22 is crossed with the accommodating groove 21 and penetrates through the accommodating groove 21; when the pipe section B is subjected to angle forming, the pipe section B is inserted into the accommodating groove 21, the accommodating groove 21 has a limiting effect on the pipe section B, the second movable die driving mechanism 5 drives the movable die 3 to be close to the fixed die 2, when the punching knife 31 extends into the shearing groove 22, the punching knife 31 breaks through the top surface of the pipe section B and is tangent to the shearing groove 22, further, the first movable die driving mechanism 4 drives the punching knife 31 to reciprocate in the shearing groove 22, and two side walls of the pipe section B, which are positioned in the shearing groove 22, are cut off by the punching knife 31, so that the pipe section B is subjected to angle punching forming (as shown in FIG. 5); by further bending the tube section B, the shearing edges C on the two sides of the tube section B are folded and attached (as shown in figure 6), so that the next welding treatment is facilitated, and the welding workload can be reduced; the movable die 3 and the fixed die 2 are matched to complete angle punching, the forming angle is standard, the workpiece consistency is good, the movable die 3, the fixed die 2 and/or the punching knife 31 in different models are replaced, pipe section bars B in different specifications and/or different angles can be punched, the rigidity loss of the compared sawing is low, and no smoke or dust is generated.

Specifically, the pipe profile angle molding machine of the present embodiment is further provided with a frame 6, and the machine head 1 is fixed on the frame 6. The first movable die driving mechanism 4 is a horizontal driving oil cylinder 3, the second movable die driving mechanism 5 is a lifting driving oil cylinder 5, a hydraulic station is arranged on the frame 6, and the hydraulic station is connected with the lifting driving oil cylinder 5 and/or the horizontal driving oil cylinder 3 to provide power for the lifting driving oil cylinder 5 and the horizontal driving oil cylinder 3. The driving end of the lifting driving oil cylinder 5 is provided with a mounting seat 7, and the movable die 3 is connected with the mounting seat 7 in a sliding manner; the horizontal driving oil cylinder 3 is fixed with the mounting base 7, and the driving end of the horizontal driving oil cylinder 3 is fixedly connected with the movable mold 3, so that the movable mold 3 is driven by the lifting driving oil cylinder 5 to lift together with the horizontal driving oil cylinder 3. In order to enable the movable die 3 on the mounting seat 7 to be well matched with the corresponding fixed die 2, a first guide post 11 is arranged on the machine head 1, the first guide post 11 is parallel to the movement direction of the first movable die driving mechanism 4, and the mounting seat 7 is provided with a first guide cylinder 71 matched with the first guide post 11, so that the movable die 3 and the punching knife 31 arranged on the movable die can be lifted under the guide of the first guide post 11 and the first guide cylinder 71.

When the movable die 3 driven by the lifting driving oil cylinder 5 is lifted, the horizontal driving oil cylinder 3 is lifted along with the lifting driving oil cylinder, in order to enable the horizontal driving oil cylinder 3 to obtain good support, an oil cylinder bracket 8 used for elastically supporting the horizontal driving oil cylinder 3 is arranged on the rack 6, one end of the horizontal driving oil cylinder 3 is fixed with the mounting seat 7, and the other end of the horizontal driving oil cylinder 3 is arranged on the oil cylinder bracket 8. The oil cylinder bracket 8 specifically comprises a second guide pillar 81, a pressure spring 82 and a supporting seat 83, the second guide pillar 81 is fixed with the rack 6, the pressure spring 82 is sleeved outside the second guide pillar 81, the supporting seat 83 is arranged on the pressure spring 82, a second guide cylinder matched with the second guide pillar 81 is arranged at the top of the supporting seat 83, and the supporting seat 83 is used for elastically supporting the horizontal driving oil cylinder 3.

With reference to fig. 4, in order to further bend the tube section B after the angle punching and forming, fold and attach the cut edge C, and facilitate the subsequent welding, a first preset distance is provided between the groove bottom 22a of the cutting groove 22 and the groove bottom 21a of the accommodating groove 21. The ratio of the wall thickness of the pipe section B relative to one side of the bottom of the accommodating groove 21 to the first preset distance is preferably 1-10, namely when the movable die 3 descends until the punching knife 31 is tangent to the shearing groove 22, the horizontal driving oil cylinder 3 drives the punching knife 31 to reciprocate along the shearing groove 22 to shear two sides of the pipe section B, and the distance between the end part of the punching knife 31 and the bottom surface of the pipe section B is not more than the wall thickness of the bottom surface of the pipe section B in the accommodating groove 21.

The length of the punching knife 31 is smaller than that of the shearing groove 22, the lifting driving oil cylinder 5 drives the movable die 3 to lift, second preset distances are respectively arranged between two end faces of the punching knife 31 and two end portions of the shearing groove 22, even if the punching knife 31 moves downwards, the top face of the pipe section bar B is only punched and is lowered to a position tangent to the shearing groove 22, the punching knife does not contact with the side wall of the pipe section bar B in the process, the punching knife 31 is further driven to do reciprocating shearing movement in the shearing groove 22 through horizontal driving oil, the shearing of the two side walls of the pipe section bar B is completed, so that the deformation of the side walls of the pipe section bar B is small, the consistency of angle forming is better, and the abrasion to the punching knife 31 can be reduced.

In order to completely fold and fit the cut edge C of the punched tube section B, the cross section of the cutting groove 22 is preferably an isosceles triangle or an isosceles trapezoid. The set included angle between the two first inclined surfaces 221 of the shear groove 22 may be 90 °, 82 °, or 70 °, and the tube profile B after being die-cut may be bent into a closed quadrangle, a closed pentagon, a closed hexagon, and the like.

In addition, the two sides of the notch of the shearing groove 22 are symmetrically provided with second inclined surfaces 222, and an included angle between the second inclined surfaces 222 is smaller than that between the first inclined surfaces 221. Because the cross section of the die cutter 31 is matched with the shearing groove 22, when the die cutter 31 breaks the top surface of the tubular profile B, the surface of the die cutter 31 corresponding to the second inclined surface 222 can downwardly extrude the two broken parts, so that the two broken parts of the die cutter 31 are prevented from contacting and generating reverse acting force when being folded in half, and the folding, fitting and welding of the shearing edge C are influenced.

To sum up, implement the utility model discloses following beneficial effect has:

1. the movable die 3 and the fixed die 2 are matched with the punching angle opening, so that the rigidity loss of the pipe section B can be greatly reduced, the forming strength of a workpiece is ensured, the formed pipe section B is not easy to deform, the forming angle is standard, and the consistency of the workpiece is good;

2. the cut edge C of the formed workpiece can be folded and attached, splicing is not needed, welding is convenient, the bottom surface of the formed workpiece is not cut off, and welding workload can be reduced;

3. the equipment has simple structure, the die and spare parts are easy to replace, and the process requirements of different specifications of materials and different angles can be met by replacing dies with different models;

5. the cold cutting forming mode is adopted, and the whole process is smokeless and dust-free.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A pipe profile angle molding machine is characterized by comprising a machine head, a fixed die fixedly connected with the machine head, a movable die arranged opposite to the fixed die, a first movable die driving mechanism and a second movable die driving mechanism,

2. A pipe profile angle molding machine as claimed in claim 1 wherein a first predetermined distance is provided between said shear groove and the bottom of the receiving groove.

3. A pipe profile angle molding machine according to claim 2, wherein the ratio of the wall thickness of said pipe profile on the side of the bottom of the accommodating groove to said first predetermined distance is 1 to 10.

4. A pipe profile angle molding machine as claimed in claim 1, wherein the length of said die cutter is smaller than the length of the shearing groove, and when said second movable die driving mechanism drives the movable dies to move, both end faces of said die cutter and both end portions of the shearing groove are respectively provided with a second predetermined distance.

5. A pipe profile angle molding machine as claimed in claim 1, wherein the cross section of said shear groove is an isosceles triangle or an isosceles trapezoid.

6. A pipe profile angle molding machine as claimed in claim 1 or 5, wherein second inclined planes are symmetrically arranged on both sides of the notch of the shear groove, and the included angle between the second inclined planes is smaller than that between the first inclined planes.

7. A pipe-section angle molding machine as claimed in claim 1, wherein the driving end of said second movable die driving mechanism is provided with a mounting seat, said movable die being slidably connected with said mounting seat;

8. A pipe-section angle molding machine according to claim 7, wherein said head is provided with a first guide post, said first guide post is parallel to the moving direction of the first movable die driving mechanism, and said mounting base is provided with a first guide cylinder adapted to the first guide post.

9. A pipe profile angle molding machine as claimed in claim 2, further comprising a frame, said head being fixed to said frame, said first movable die driving mechanism being a horizontal driving cylinder, said second movable die driving mechanism being a lifting driving cylinder;

10. A pipe-shaped material angle forming machine according to claim 9, wherein the cylinder bracket comprises a second guide post, a compression spring, and a support seat, the second guide post is fixed to the frame, the compression spring is sleeved outside the second guide post, the support seat is provided on the compression spring and has a second guide cylinder at the top thereof, the second guide cylinder is adapted to the second guide post, and the support seat is used for elastically supporting the horizontal driving cylinder.