CN214866387U

CN214866387U - Positioning device of numerical control arc rolling machine

Info

Publication number: CN214866387U
Application number: CN202121518613.6U
Authority: CN
Inventors: 张伟; 张作家; 赵虎良; 郑培兵
Original assignee: Henan Lihuang New Material Co ltd
Current assignee: Henan Lihuang New Material Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-11-26
Anticipated expiration: 2031-07-05

Abstract

The application relates to the technical field of machine tools, in particular to a positioning device of a numerical control arc rolling machine, which comprises a frame and a material pressing mechanism, wherein a positioning component, an extrusion component, a first driving mechanism for driving the extrusion component to be close to or far away from the positioning component along the horizontal direction, an arc rolling component and a second driving mechanism for driving the arc rolling component to move along the horizontal direction are arranged on the frame, and the moving direction of the arc rolling component is vertical to the length direction of a square pipe; the pressing mechanism comprises an electric cylinder arranged on the support, a piston rod of the electric cylinder extends in the vertical direction and is provided with a first pressing plate, and the electric cylinder drives the first pressing plate to descend and press a square tube clamped by the positioning assembly and the extrusion assembly. The square tube processing method and device can be suitable for square tube processing of different specifications.

Description

Positioning device of numerical control arc rolling machine

Technical Field

The application relates to the technical field of machine tools, in particular to a positioning device of a numerical control arc rolling machine.

Background

The numerical control arc rolling machine is a common machine tool and is mainly used for carrying out arc rolling or arc bending on various tubular or rod-shaped materials and the like.

In the machining process of the square tube, the square tube needs to be positioned through a numerical control arc rolling machine, and then the square tube needs to be subjected to arc rolling machining through the numerical control arc rolling machine.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the existing numerical control arc rolling machine can only position square pipes with the same specification, and has large limitation, so improvement is needed.

Disclosure of Invention

In order to be applicable to the square pipe processing of different specifications, this application provides a positioner of numerical control arc rolling machine.

The application provides a positioner of numerical control arc rolling machine adopts following technical scheme: a positioning device of a numerical control arc rolling machine comprises a support and a material pressing mechanism, wherein a positioning assembly, an extrusion assembly, a first driving mechanism for driving the extrusion assembly to approach to or be away from the positioning assembly along the horizontal direction, an arc rolling assembly and a second driving mechanism for driving the arc rolling assembly to move along the horizontal direction are arranged on the support, and the moving direction of the arc rolling assembly is vertical to the length direction of a square pipe; the pressing mechanism comprises an electric cylinder arranged on the support, a piston rod of the electric cylinder extends in the vertical direction and is provided with a first pressing plate, and the electric cylinder drives the first pressing plate to descend and press a square tube clamped by the positioning assembly and the extrusion assembly.

By adopting the technical scheme, the first driving mechanism can drive the extrusion assembly to move, so that the extrusion assembly can tightly press the square pipes with different widths on the positioning assembly; the electric cylinder can drive the first pressing plate to lift, so that the first pressing plate can be pressed on the square pipes clamped by the extruding assembly and the positioning assembly, and the square pipes with different heights can be pressed; the second drive mechanism can drive the arc rolling assembly to move, so that the arc rolling assembly can roll the square pipe to different radians, and the square pipe machining device can be suitable for machining square pipes of different specifications.

Optionally, a second pressing plate is connected to the arc rolling assembly in a sliding manner along the vertical direction; the material pressing mechanism further comprises a lifting component for driving the second pressing plate to lift.

Through adopting above-mentioned technical scheme, lifting unit can drive the decline of second clamp plate for the second clamp plate compresses tightly the side's pipe on the arc rolling subassembly, has improved the stability of side's pipe when the arc is rolled.

Optionally, the lifting assembly comprises an outer barrel rotatably connected to the first pressure plate and an inner rod rotatably connected to the second pressure plate, and the inner rod is slidably embedded in the outer barrel.

By adopting the technical scheme, when the electric cylinder drives the first pressing plate to move, the first pressing plate drives the second pressing plate to be linked through the outer cylinder and the inner rod, so that the first pressing plate and the second pressing plate can be synchronously pressed on the square pipe; when the second driving mechanism drives the arc rolling component and the second pressing plate to move, the inner rod and the outer barrel both rotate, and the inner rod slides in the outer barrel, so that the normal movement of the arc rolling component is ensured.

Optionally, the first driving mechanism includes a first motor disposed on the bracket, a first limit rod extending in the horizontal direction, and a rotating lead screw, an output shaft of the first motor is connected to the rotating lead screw, the rotating lead screw is in threaded fit with the extrusion assembly, and the first limit rod is disposed on the bracket and slidably penetrates through the extrusion assembly.

Through adopting above-mentioned technical scheme, first motor can drive extrusion subassembly along first gag lever post axial motion through rotating the lead screw, has made things convenient for extrusion subassembly's motion.

Optionally, the positioning assembly includes a first support plate disposed on the support and used for accommodating the square tube, and the first support plate is rotatably connected with a positioning roller for fitting the side of the square tube.

Through adopting above-mentioned technical scheme, square pipe can shelve on first backup pad and laminate in the registration roller, has improved the stability of square pipe.

Optionally, the extrusion assembly comprises a second support plate driven by the first driving mechanism to move, and an extrusion roller used for pressing the square pipe onto the positioning roller is rotatably connected to the second support plate.

Through adopting above-mentioned technical scheme, when squeeze roll and registration roller do not with square pipe centre gripping, square pipe can drive registration roller and squeeze roll rotatory at the motion in-process to squeeze roll and registration roller have reduced the friction to square pipe.

Optionally, the support comprises two moving frames, the positioning assembly, the extrusion assembly, the first driving mechanism and the pressing mechanism are arranged on one of the moving frames, and the arc rolling assembly and the second driving mechanism are arranged on the other moving frame; the device also comprises a driving mechanism for driving the two groups of moving frames to approach or depart from each other.

Through adopting above-mentioned technical scheme, actuating mechanism can drive two sets of removal framves and be close to each other or keep away from each other for the interval between locating component and the arc subassembly that rolls changes, so roll the arc subassembly and can roll the arc to the different positions of square pipe, convenient operation.

Optionally, the driving mechanism includes a base, a bidirectional screw rod extending along the length direction of the square tube, and a second limiting rod, the base is provided with a second motor, and an output shaft of the second motor is connected to the bidirectional screw rod; the two moving frames are respectively provided with a thread groove which is in thread fit with the bidirectional screw rod, and the rotating directions of the two thread grooves are opposite; the second limiting rod is arranged on the base and penetrates through the two movable frames in a sliding mode.

Through adopting above-mentioned technical scheme, the second motor can drive two sets of removal framves through two-way lead screw and be close to each other or keep away from each other to make things convenient for the regulation of interval between two removal framves.

To sum up, the application comprises the following beneficial technical effects:

1. the square tubes with different widths can be pressed on the positioning assembly through the extrusion assembly, so that the square tubes with different heights can be pressed, and the arc rolling assembly can roll the square tubes to different radians;

2. the arrangement of the second pressing plate, the outer cylinder and the inner rod ensures that the first pressing plate and the second pressing plate can be synchronously pressed on the square pipe through the linkage of the first pressing plate driven by the outer cylinder and the inner rod when the electric cylinder drives the first pressing plate to move;

3. the driving mechanism is arranged, so that the distance between the positioning assembly and the arc rolling assembly is changed, the arc rolling assembly can roll arcs at different positions of the square pipe, and the operation is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;

FIG. 2 is a schematic structural diagram showing a positioning assembly, a pressing assembly and a pressing mechanism in an embodiment of the present application;

fig. 3 is a schematic structural diagram showing a rolling arc assembly and a swaging mechanism in an embodiment of the present application.

Reference numerals: 1. a support; 11. a movable frame; 12. a positioning assembly; 121. a first support plate; 122. a positioning roller; 13. an extrusion assembly; 131. a second support plate; 132. a squeeze roll; 14. an arc rolling component; 141. a third support plate; 142. an arc rolling roller; 143. a vertical rod; 2. a first driving mechanism; 21. a first motor; 22. a first limit rod; 23. rotating the screw rod; 3. a second driving mechanism; 4. a drive mechanism; 41. a base; 42. a bidirectional screw rod; 43. a second limiting rod; 44. a second motor; 5. a material pressing mechanism; 51. an electric cylinder; 52. a first platen; 53. a second platen; 54. a lifting assembly; 541. an outer cylinder; 542. an inner rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a positioning device of a numerical control arc rolling machine. As shown in fig. 1, a positioning device of a numerical control arc rolling machine comprises a support 1, wherein the support 1 comprises two moving frames 11, and one of the moving frames 11 is provided with a positioning assembly 12, an extrusion assembly 13 and a first driving mechanism 2; the other bracket 1 is provided with a rolling arc component 14 and a second driving mechanism 3.

As shown in fig. 1 and 2, the positioning assembly 12 includes a first support plate 121 fixed on the movable frame 11, the square tube is placed on the first support plate 121, a positioning roller 122 is rotatably connected to the first support plate 121, and a side portion of the square tube is fitted to the positioning roller 122.

The pressing assembly 13 comprises a second supporting plate 131, and a pressing roller 132 is rotatably connected to the second supporting plate 131; the first driving mechanism 2 comprises a first motor 21 fixed on the moving frame 11, a first limit rod 22 extending along the width direction of the square tube and a rotating screw rod 23, an output shaft of the first motor 21 extends along the width direction of the square tube and is fixedly connected to the rotating screw rod 23, and the rotating screw rod 23 is in threaded fit with the second supporting plate 131; the first limiting rod 22 is fixed on the moving frame 11 and slidably penetrates through the second supporting plate 131. The first motor 21 can drive the second support plate 131 to move by rotating the screw 23, so that the pressing roller 132 can press the square pipes with different widths on the positioning roller 122.

As shown in fig. 1 and 3, the arc rolling assembly 14 includes a third support plate 141, and an arc rolling roller 142 is rotatably connected to the third support plate 141. The structure of the second driving mechanism 3 is the same as that of the first driving mechanism 2, and the connection relationship between the second driving mechanism 3 and the third supporting plate 141 is the same as that between the first driving mechanism 2 and the second supporting plate 131. The second driving mechanism 3 can drive the third support plate 141 and the arc rolling roller 142 to move, so that the arc rolling roller 142 arcs the square tube to different arcs.

As shown in fig. 1, the device further comprises a driving mechanism 4, wherein the driving mechanism 4 comprises a base 41, a bidirectional screw rod 42 and a second limiting rod 43, the bidirectional screw rod 42 and the second limiting rod extend along the length direction of the square tube, a second motor 44 is fixed on the base 41, and an output shaft of the second motor 44 extends along the length direction of the square tube and is fixedly connected to the bidirectional screw rod 42; the two moving frames 11 are respectively provided with a thread groove which is in thread fit with the bidirectional screw rod 42, and the rotating directions of the two thread grooves are opposite; the second limiting rod 43 is fixed on the base 41 and slidably penetrates through the two moving frames 11. The second motor 44 can drive the two sets of moving frames 11 to approach or separate from each other through the two-way screw rod 42, so that the distance between the positioning assembly 12 and the arc rolling assembly 14 is changed, and the arc rolling assembly 14 can roll arcs at different positions of the square pipe, and the operation is convenient.

As shown in fig. 1, 2 and 3, the support 1 is further provided with a pressing mechanism 5, the pressing mechanism 5 includes an electric cylinder 51, a first pressing plate 52, a second pressing plate 53 and a lifting assembly 54, the electric cylinder 51 is fixed on the moving frame 11 where the positioning assembly 12 is located, and a piston rod of the electric cylinder 51 extends in the vertical direction and is fixedly connected to the first pressing plate 52; a vertical rod 143 which is slidably arranged through the second pressing plate 53 is fixed on the arc rolling roller 142; the lifting assembly 54 includes an outer cylinder 541 rotatably connected to the first pressing plate 52 and an inner lever 542 rotatably connected to the second pressing plate 53, and the inner lever 542 is slidably fitted in the outer cylinder 541.

When the electric cylinder 51 drives the first pressing plate 52 to move, the first pressing plate 52 drives the second pressing plate 53 to be linked through the outer cylinder 541 and the inner rod 542, so that the first pressing plate 52 presses the square tube clamped by the positioning roller 122 and the extrusion roller 132, and the second pressing plate 53 presses the square tube on the third supporting plate 141; when the arc rolling component 14 and the second pressing plate 53 move, the inner rod 542 and the outer cylinder 541 rotate, and the inner rod 542 slides in the outer cylinder 541, so that the normal movement of the arc rolling component 14 is ensured.

The implementation principle of the positioning device of the numerical control arc rolling machine in the embodiment of the application is as follows: in the processing process of the square pipe, the square pipe is placed on the first supporting plate 121, and the first motor 21 drives the second supporting plate 131 to move by rotating the screw rod 23, so that the extruding roller 132 can press the square pipe with different widths on the positioning roller 122.

The electric cylinder 51 drives the first pressing plate 52 to move, the first pressing plate 52 drives the second pressing plate 53 to be linked through the outer cylinder 541 and the inner rod 542, so that the first pressing plate 52 is pressed on the square pipe clamped by the positioning roller 122 and the squeezing roller 132, the second pressing plate 53 is pressed on the square pipe on the third supporting plate 141, and the stability of the square pipe is improved.

The second motor 44 drives the two sets of moving frames 11 to move close to or away from each other through the bidirectional screw 42, so that the distance between the positioning assembly 12 and the arc rolling assembly 14 changes, and the second driving mechanism 3 can drive the third supporting plate 141 and the arc rolling roller 142 to move, so that the arc rolling roller 142 arcs the square tube to different arcs.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a positioner of numerical control arc rolling machine which characterized in that: the device comprises a support (1) and a material pressing mechanism (5), wherein a positioning component (12), an extrusion component (13), a first driving mechanism (2) for driving the extrusion component (13) to be close to or far away from the positioning component (12) along the horizontal direction, an arc rolling component (14) and a second driving mechanism (3) for driving the arc rolling component (14) to move along the horizontal direction are arranged on the support (1), and the moving direction of the arc rolling component (14) is vertical to the length direction of a square pipe; the pressing mechanism (5) comprises an electric cylinder (51) arranged on the support (1), a piston rod of the electric cylinder (51) extends in the vertical direction and is provided with a first pressing plate (52), and the electric cylinder (51) drives the first pressing plate (52) to descend and press a square tube clamped by the positioning assembly (12) and the extrusion assembly (13).

2. The numerical control arc rolling machine positioning device according to claim 1, characterized in that: a second pressing plate (53) is connected to the arc rolling assembly (14) in a sliding manner along the vertical direction; the material pressing mechanism (5) further comprises a lifting component (54) for driving the second pressing plate (53) to lift.

3. The numerical control arc rolling machine positioning device according to claim 2, characterized in that: the lifting component (54) comprises an outer cylinder (541) rotatably connected to the first pressure plate (52) and an inner rod (542) rotatably connected to the second pressure plate (53), and the inner rod (542) is embedded in the outer cylinder (541) in a sliding mode.

4. The numerical control arc rolling machine positioning device according to claim 1, characterized in that: first drive mechanism (2) including locating first motor (21) on support (1), along first gag lever post (22) and rotation lead screw (23) that the horizontal direction extends, the output shaft of first motor (21) is connected in rotation lead screw (23), rotates lead screw (23) screw-thread fit in extrusion subassembly (13), and support (1) is located and slides and wear to locate extrusion subassembly (13) in first gag lever post (22).

5. The numerical control arc rolling machine positioning device according to claim 1, characterized in that: the positioning assembly (12) comprises a first supporting plate (121) which is arranged on the support (1) and used for placing the square tube, and a positioning roller (122) used for fitting the side part of the square tube is rotatably connected to the first supporting plate (121).

6. The numerical control arc rolling machine positioning device according to claim 5, characterized in that: the extrusion assembly (13) comprises a second supporting plate (131) driven by the first driving mechanism (2) to move, and extrusion rollers (132) used for pressing the square pipe on the positioning rollers (122) are rotatably connected to the second supporting plate (131).

7. The numerical control arc rolling machine positioning device according to claim 1, characterized in that: the support (1) comprises two moving frames (11), a positioning assembly (12), an extrusion assembly (13), a first driving mechanism (2) and a material pressing mechanism (5) are arranged on one of the moving frames (11), and a rolling arc assembly (14) and a second driving mechanism (3) are arranged on the other moving frame (11); and the driving mechanism (4) is used for driving the two groups of moving frames (11) to approach or depart from each other.

8. The numerical control arc rolling machine positioning device according to claim 7, characterized in that: the driving mechanism (4) comprises a base (41), a bidirectional screw rod (42) and a second limiting rod (43), wherein the bidirectional screw rod (42) extends along the length direction of the square tube, a second motor (44) is arranged on the base (41), and an output shaft of the second motor (44) is connected to the bidirectional screw rod (42); the two moving frames (11) are respectively provided with a thread groove which is in thread fit with the two-way screw rod (42), and the rotating directions of the two thread grooves are opposite; the second limiting rod (43) is arranged on the base (41) and penetrates through the two moving frames (11) in a sliding mode.