CN113231859A

CN113231859A - A flip structure for section bar cutting

Info

Publication number: CN113231859A
Application number: CN202110545694.7A
Authority: CN
Inventors: 肖述虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-08-10

Abstract

The invention discloses a turnover structure for section bar cutting, and relates to the technical field of section bar processing; in order to solve the clamping problem; the gantry crane comprises a gantry frame, wherein a main moving mechanism is arranged on the outer wall of the gantry frame, a rotating mechanism is arranged on the outer wall of the bottom of the main moving mechanism, a clamping mechanism is arranged on the outer wall of the bottom of the rotating mechanism, the clamping mechanism comprises a supporting seat, a cylinder and a clamping jaw, the cylinder is fixed on the outer wall of the top of the supporting seat through bolts, the outer wall of the bottom of the supporting seat is movably connected with a clamping plate through a sliding rod, the outer wall of the bottom of the clamping plate is rotatably connected with two clamping arms, the clamping jaw is fixed on the outer wall of the bottom of the clamping arm through bolts respectively, a piston connecting rod of the cylinder penetrates through the clamping plate and the outer wall of the bottom of the clamping plate and is fixedly provided with a lifting arm through bolts, two sides of the lifting arm are rotatably connected with contraction arms, and the two contraction arms are rotatably connected on the outer walls of the clamping arms respectively. The profile of the invention can not rotate and slide relatively, thus improving the stability.

Description

A flip structure for section bar cutting

Technical Field

The invention relates to the technical field of section bar processing, in particular to a turnover structure for section bar cutting.

Background

The sectional material is generally subjected to processes of grinding, cutting, punching and the like before use, wherein the cutting process is used as a sectional material forming process, and the sectional material is required to be turned over when being cut so as to be cut in different directions to achieve the purpose of forming.

Through search, chinese patent publication No. CN108340192A discloses a profile turning structure of a profile cutting machine, which comprises an annular turning disc, wherein a driving circular hole is arranged at the center of the turning disc, a fixed notch array composed of fixed notches is arranged on the edge circumference of the turning disc, and a turning support and a cylindrical turning column head are arranged in the fixed notches.

The above patents suffer from the following disadvantages: it is when the upset, only carries on spacingly through the notch to panel, and the spacing of notch can not be to the fine fixed of section bar for when the upset, the section bar moves easily, landing etc. so still remain further to improve.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an overturning structure for section bar cutting.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a flip structure for section bar cutting, includes the portal frame, the portal frame outer wall is provided with main moving mechanism, and main moving mechanism's bottom outer wall is provided with rotary mechanism, and rotary mechanism's bottom outer wall is provided with fixture, fixture includes supporting seat, cylinder and clamping jaw, on the cylinder passes through the bolt fastening on the top outer wall of supporting seat, the bottom outer wall of supporting seat has the grip block through slide bar swing joint, and the bottom outer wall of grip block rotates and is connected with two arm locks, two the clamping jaw is respectively through the bolt fastening on the bottom outer wall of arm lock, the piston rod of cylinder runs through on grip block and its bottom outer wall has the lift arm through the bolt fastening, and the both sides of lift arm are all rotated and are connected with the shrink arm, and two shrink arms rotate respectively and connect on the outer wall of arm lock.

Preferably: the spring is welded to the outer wall of the top of the lifting arm, and the other end of the spring is welded to the outer wall of the bottom of the clamping plate.

Further: and the outer wall of the top of the sliding rod is connected with a limiting nut through threads.

On the basis of the scheme: the clamping jaw comprises a body and a clamping head, the inner wall of the body is provided with a sliding groove in a rectangular array, and the clamping head is movably connected to the inner wall of the sliding groove.

The better scheme in the scheme is as follows: the collet comprises a cylindrical portion cooperating with the runner and a spherical portion in direct contact with the profile.

As a further scheme of the invention: the rotating mechanism comprises a rotating seat and a moving seat, the rotating seat is fixed on the outer wall of the top of the supporting seat through a connecting column, and the outer wall of the top of the rotating seat is rotatably connected to the inner wall of the moving seat through a rotating shaft.

Simultaneously, the top outer wall of removing the seat is fixed with the rotating electrical machines through the bolt, and the output shaft of rotating electrical machines has the gear through the key-type connection, and the outer wall meshing of gear has the ring gear, and the ring gear passes through the bolt fastening on the top outer wall of roating seat.

As a preferable aspect of the present invention: the main moving mechanism comprises a lead screw and a main moving motor, the two lead screws are rotatably connected to the inner wall of the portal frame, and the two lead screws are connected to the outer wall of the moving seat through threads.

Meanwhile, an output shaft of the main moving motor is connected to the outer wall of one lead screw through a coupler, and a shell of the main moving motor is fixed to the outer wall of the portal frame through bolts.

As a more preferable scheme of the invention: the outer wall of lead screw has the hold-in range through the key-type connection, and two band pulleys establish the transmission cooperation through the hold-in range.

The invention has the beneficial effects that:

1. this a flip structure for section bar cutting when the section bar needs the upset, starts the cylinder, and when the cylinder stretches out, drive the lifing arm decline to make the shrink arm rotate, and when the shrink arm rotated, its opposite side contracts each other, thereby drive the arm lock and contract each other, thereby make the clamping jaw press from both sides tightly the section bar, thereby when making rotary mechanism rotate the section bar, the section bar can not rotate relatively, slide, improved stability.

2. This a flip structure for section bar cutting, through being provided with the grip block, it passes through slide bar and supporting seat sliding connection, and there is limit nut at the top of slide bar through threaded connection, when the cylinder stretches out, whole course of motion divides two stages, the first stage grip block moves down, make the clamping jaw can reach the section bar position, the spacing grip block of limit nut afterwards, the cylinder continues to stretch out, the clamping jaw just can contract the section bar centre gripping, this device is realized two actions through a power supply, can make whole device comparatively compact.

3. This a flip structure for section bar cutting through being provided with the chuck, when the clamping jaw centre gripping, the surface of more laminating section bar when enabling the centre gripping is prevented stress concentration with body swing joint's design.

4. This a flip structure for section bar cutting through setting up the chuck into spherical part and cylindrical part, during spherical part contact section bar, by the point contact earlier, along with clamping-force, slowly become the face contact, area of contact when multiplicable centre gripping further prevents stress concentration, and can guarantee comparatively reliable centre gripping contact surface.

5. This a flip structure for section bar cutting through being provided with main moving mechanism, when main moving motor starts, it drives the lead screw and rotates to drive through the threaded connection effect and remove the seat and remove, thereby drive the section bar and increase the removal function on the basis of upset, thereby can make the processing angle more comprehensive. And, this device is through being provided with two lead screws, and it establishes the transmission through band pulley and hold-in range and is connected, and all accomplish with removing the seat cooperation and remove the seat and remove, and it can guarantee to remove the stability of seat when removing to guarantee that the section bar when removing, vibration frequency and amplitude reduce, prevent the landing, improved the security.

Drawings

Fig. 1 is a schematic overall structure diagram of an overturning structure for section bar cutting according to the present invention;

fig. 2 is a schematic structural view of a clamping mechanism of a turning structure for section cutting according to the present invention;

fig. 3 is a schematic cross-sectional structural view of a clamping jaw of the turnover structure for section bar cutting according to the present invention;

fig. 4 is a schematic cross-sectional structural view of a rotating mechanism of an overturning structure for profile cutting according to the present invention;

fig. 5 is a schematic structural diagram of a main moving mechanism of a turnover structure for section bar cutting according to the present invention.

In the figure: 1-portal frame, 2-main moving mechanism, 3-rotating mechanism, 4-clamping mechanism, 5-clamping arm, 6-contraction arm, 7-sliding rod, 8-supporting seat, 9-cylinder, 10-limit nut, 11-clamping plate, 12-spring, 13-lifting arm, 14-clamping jaw, 15-body, 16-sliding groove, 17-clamping head, 18-spherical part, 19-cylindrical part, 20-rotating seat, 21-moving seat, 22-rotating shaft, 23-rotating motor, 24-gear, 25-gear ring, 26-connecting column, 27-synchronous belt, 28-belt wheel, 29-lead screw and 30-main moving motor.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

A turnover structure for section bar cutting is disclosed, as shown in figure 1, and comprises a portal frame 1, wherein the outer wall of the portal frame 1 is provided with a main moving mechanism 2, the outer wall of the bottom of the main moving mechanism 2 is provided with a rotating mechanism 3, the outer wall of the bottom of the rotating mechanism 3 is provided with a clamping mechanism 4, the clamping mechanism 4 comprises a supporting seat 8, an air cylinder 9 and clamping jaws 14, the air cylinder 9 is fixed on the outer wall of the top of the supporting seat 8 through bolts, the outer wall of the bottom of the supporting seat 8 is movably connected with a clamping plate 11 through a sliding rod 7, the outer wall of the bottom of the clamping plate 11 is rotatably connected with two clamping arms 5, the two clamping jaws 14 are respectively fixed on the outer wall of the bottom of the clamping arm 5 through bolts, a piston connecting rod of the air cylinder 9 penetrates through the clamping plate 11, the outer wall of the bottom of the clamping plate is fixedly provided with a lifting arm 13 through bolts, both sides of the lifting arm 13 are rotatably connected with contraction arms 6, and the two contraction arms 6 are respectively rotatably connected on the outer walls of the clamping arms 5, a spring 12 is welded on the outer wall of the top of the lifting arm 13, the other end of the spring 12 is welded on the outer wall of the bottom of the clamping plate 11, and the outer wall of the top of the sliding rod 7 is connected with a limit nut 10 through threads; when the section bar needs to be turned over, the air cylinder 9 is started, when the air cylinder 9 extends out, the lifting arm 13 is driven to descend, so that the contraction arm 6 rotates, when the contraction arm 6 rotates, the other side of the contraction arm contracts mutually, so that the clamping arm 5 is driven to contract mutually, so that the clamping jaw 14 clamps the section bar, when the rotary mechanism 3 rotates the section bar, the section bar cannot rotate and slide relatively, the stability is improved, in addition, the device is provided with the clamping plate 11 which is connected with the supporting seat 8 in a sliding way through the sliding rod 7, the top of the sliding rod 7 is connected with the limiting nut 10 through the thread, when the air cylinder 9 extends out, the whole motion process is divided into two stages, the clamping plate 11 in the first stage moves downwards, so that the clamping jaw 14 can reach the position of the section bar, then the limiting nut 10 limits the clamping plate 11, the air cylinder 9 continues to extend out, the clamping jaw 14 can contract to clamp the section bar, and the two actions are realized through one power source, the whole device can be made compact.

In order to solve the clamping problem; as shown in fig. 3, the clamping jaw 14 includes a body 15 and a clamping head 17, the inner wall of the body 15 is provided with a rectangular array of sliding grooves 16, the clamping head 17 is movably connected to the inner wall of the sliding grooves 16, and the clamping head 17 includes a cylindrical portion 19 matched with the sliding grooves 16 and a spherical portion 18 directly contacted with the profile; when clamping jaw 14 centre gripping, chuck 17 and body 15 swing joint's design can make the surface of more laminating section bar during the centre gripping, prevents stress concentration, and chuck 17 divide into spherical part 18 and cylindrical part 19 part, and spherical part 18 is when contacting the section bar, by the point contact earlier, along with clamping-force, slowly changes into the face contact, area of contact when multiplicable centre gripping, further prevents stress concentration, and can guarantee comparatively reliable centre gripping contact surface.

In order to solve the rotation problem; as shown in fig. 4, rotary mechanism 3 includes roating seat 20 and removal seat 21, roating seat 20 is fixed in on the top outer wall of supporting seat 8 through spliced pole 26, the top outer wall of roating seat 20 rotates through pivot 22 and connects on the inner wall of removing seat 21, the top outer wall of removing seat 21 has rotating electrical machines 23 through the bolt fastening, rotating electrical machines 23's output shaft has gear 24 through the key-type connection, gear 24's outer wall meshing has ring gear 25, ring gear 25 passes through the bolt fastening on the top outer wall of roating seat 20, when rotating electrical machines 23 starts, it can drive ring gear 25 through gear 24 and rotate, thereby drive supporting seat 8 through spliced pole 26 and rotate, it overturns to drive the section bar.

In order to solve the problem of processing comprehensiveness; as shown in fig. 5, the main moving mechanism 2 includes lead screws 29 and a main moving motor 30, two lead screws 29 are rotatably connected to the inner wall of the gantry 1, the two lead screws 29 are both connected to the outer wall of the moving base 21 through threads, an output shaft of the main moving motor 30 is connected to the outer wall of one lead screw 29 through a coupling, a housing of the main moving motor is fixed to the outer wall of the gantry 1 through bolts, the outer wall of the lead screw 29 is connected with a synchronous belt 27 through a key, and two belt pulleys 28 establish transmission fit through the synchronous belt 27; when the main moving motor 30 is started, it drives the screw 29 to rotate, so as to drive the moving seat 21 to move through the threaded connection, so as to drive the section bar to increase the moving function on the basis of turning, thereby enabling the processing angle to be more comprehensive. Moreover, the device is provided with two lead screws 29 which are in transmission connection with the synchronous belt 27 through the belt wheels 28 and are matched with the moving seat 21 to complete the movement of the moving seat 21, so that the stability of the moving seat 21 during movement can be ensured, the vibration frequency and amplitude are reduced when the section bar moves, the section bar is prevented from sliding off, and the safety is improved.

This embodiment is when using, when the section bar needs the upset, start cylinder 9, when cylinder 9 stretches out, whole motion process divides two stages, first stage grip block 11 moves down, make clamping jaw 14 can reach the section bar position, spacing grip block 11 of stop nut 10 afterwards, cylinder 9 continues to stretch out, clamping jaw 14 just can contract to the section bar centre gripping, when rotating electrical machines 23 starts, it can drive ring gear 25 through gear 24 and rotate, thereby drive supporting seat 8 through spliced pole 26 and rotate, it overturns to drive the section bar, when main moving electrical machines 30 starts, it drives lead screw 29 and rotates, thereby it removes seat 21 removal through the drive of threaded connection effect.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A turnover structure for section bar cutting comprises a portal frame (1) and is characterized in that a main moving mechanism (2) is arranged on the outer wall of the portal frame (1), a rotating mechanism (3) is arranged on the outer wall of the bottom of the main moving mechanism (2), a clamping mechanism (4) is arranged on the outer wall of the bottom of the rotating mechanism (3), the clamping mechanism (4) comprises a supporting seat (8), an air cylinder (9) and clamping jaws (14), the air cylinder (9) is fixed on the outer wall of the top of the supporting seat (8) through bolts, the outer wall of the bottom of the supporting seat (8) is movably connected with a clamping plate (11) through a sliding rod (7), the outer wall of the bottom of the clamping plate (11) is rotatably connected with two clamping arms (5), the two clamping jaws (14) are respectively fixed on the outer wall of the bottom of the clamping arm (5) through bolts, a piston connecting rod of the air cylinder (9) penetrates through the clamping plate (11) and a lifting arm (13) is fixed on the outer wall of the bottom through bolts, both sides of lifting arm (13) all rotate and are connected with shrink arm (6), and two shrink arms (6) rotate respectively and connect on the outer wall of arm lock (5).

2. A turning structure for section bar cutting according to claim 1, characterized in that the top outer wall of the lifting arm (13) is welded with a spring (12), and the other end of the spring (12) is welded on the bottom outer wall of the clamping plate (11).

3. The turning structure for section bar cutting according to claim 1, characterized in that the top outer wall of the slide bar (7) is connected with a limit nut (10) through screw threads.

4. The turning structure for section bar cutting according to claim 1, characterized in that the clamping jaw (14) comprises a body (15) and a clamping head (17), the inner wall of the body (15) is provided with a rectangular array of sliding grooves (16), and the clamping head (17) is movably connected to the inner wall of the sliding grooves (16).

5. An overturned structure for section bar cutting according to claim 4, wherein said collet (17) comprises a cylindrical portion (19) cooperating with the runner (16) and a spherical portion (18) in direct contact with the section bar.

6. The turning structure for section bar cutting according to claim 1, characterized in that the rotating mechanism (3) comprises a rotating base (20) and a moving base (21), the rotating base (20) is fixed on the top outer wall of the supporting base (8) through a connecting column (26), and the top outer wall of the rotating base (20) is rotatably connected on the inner wall of the moving base (21) through a rotating shaft (22).

7. A turning structure for section bar cutting according to claim 6, characterized in that the top outer wall of the moving seat (21) is fixed with a rotating motor (23) through bolts, the output shaft of the rotating motor (23) is connected with a gear (24) through a key, the outer wall of the gear (24) is meshed with a gear ring (25), and the gear ring (25) is fixed on the top outer wall of the rotating seat (20) through bolts.

8. A turning structure for section bar cutting according to claim 1, characterized in that said main moving mechanism (2) comprises a lead screw (29) and a main moving motor (30), two of said lead screws (29) are rotatably connected to the inner wall of the gantry (1), and two of said lead screws (29) are both connected to the outer wall of the moving base (21) by screw threads.

9. A turning structure for section bar cutting as claimed in claim 8, characterized in that the output shaft of the main moving motor (30) is connected to the outer wall of one of the lead screws (29) through a coupling, and the housing thereof is fixed to the outer wall of the gantry (1) through bolts.

10. A turning structure for section bar cutting according to claim 9, characterized in that the outer wall of the screw (29) is keyed with a timing belt (27), and two pulleys (28) establish a driving fit through the timing belt (27).