CN213135382U - Cutting torch swing angle device - Google Patents
Cutting torch swing angle device Download PDFInfo
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- CN213135382U CN213135382U CN202021713316.2U CN202021713316U CN213135382U CN 213135382 U CN213135382 U CN 213135382U CN 202021713316 U CN202021713316 U CN 202021713316U CN 213135382 U CN213135382 U CN 213135382U
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- speed reducer
- swing angle
- crank arm
- angle mechanism
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Abstract
The utility model relates to a cutting torch pivot angle device belongs to section bar looks transversal cutting processing technology field, has solved the problem of the motion calculation difficulty of current cutting torch pivot angle mechanism error big, mechanism. The utility model discloses a cutting torch swing angle device, which comprises a box body base, a four-bar linkage swing angle mechanism, a first speed reducer, a crank arm swing angle mechanism and a second speed reducer; the four-connecting-rod swing angle mechanism is hinged with the box body base and can swing around a shaft of the first speed reducer; one end of the crank arm swing angle mechanism is connected with the box body base, the other end of the crank arm swing angle mechanism is connected with the second speed reducer, and the crank arm swing angle mechanism, the box body base and the four-connecting-rod swing angle mechanism can swing around a shaft of the second speed reducer. The utility model discloses a cutting torch pivot angle device adopts four-bar mechanism, compact structure, stability, and the calculation is simple, light in weight, the error is little.
Description
Technical Field
The utility model relates to a section bar looks transversal cut processing technology field especially relates to a cutting torch pivot angle device.
Background
At present, the common cutting torch swinging angle mechanisms of the numerical control circular tube intersecting line cutting machine on the market mainly have two types, one type adopts a single-connecting-rod swinging angle mechanism, and the mechanism has the main defects of high production and processing difficulty, poor structural stability and larger swinging angle error. The other is a cutting torch lifting type four-connecting-rod swing angle mechanism, which has the main defects that the offset of a cutting head is required to be continuously calculated by an intersecting line cutting machine according to the rotating angle of the cutting torch, and the real-time offset correction is carried out on the cutting head through a lifting mechanism so as to keep the distance between the cutting head and the surface of a circular tube; the mechanism not only increases the difficulty of control software for the intersecting line cutting machine, but also increases the crank arm body, the weight and the manufacturing cost due to the adopted lifting mechanism, the motor and the speed reducer.
With the increase of the demand of numerical control section bar intersecting line cutting machine equipment in China, the circular tube intersecting line cutting machine equipment adopting the single-connecting-rod cutting torch swinging angle crank arm mechanism device in the early stage mostly focuses on solving the cutting and blanking of intersecting line circular tube truss engineering, and can not meet the rapid development demand of high section bar diversified cutting process requirements in the industries such as steel structures, shipbuilding, ocean engineering, rail transit, engineering machinery, amusement facilities and the like at present.
The circular tube intersecting line cutting machine adopting the early single-connecting-rod cutting torch swinging angle crank arm mechanism has the advantages that the swinging angle mechanism has large error, and the complicated calculation and the huge machine body brought by the mechanism cause the intersecting line cutting machine to be very difficult to finish the cutting of the profile especially in the process of finishing the cutting processing of the profile curve of a complicated profile (such as a rectangular tube and H-shaped steel) and a welding groove workpiece.
SUMMERY OF THE UTILITY MODEL
In view of the above analysis, the utility model aims at providing a cutting torch pivot angle device, cutting torch pivot angle device adopt four-bar linkage, compact structure, stability, calculate simply, light in weight, the error is little for solve the intersection line cutting and the processing problem of complicated section bar work piece in many trades at present.
The purpose of the utility model is mainly realized through the following technical scheme:
a cutting torch swing angle device comprises a box body base, a four-connecting-rod swing angle mechanism, a crank arm swing angle mechanism, a first speed reducer and a second speed reducer;
the four-connecting-rod swing angle mechanism is hinged with the box body base and can swing around a shaft of the first speed reducer;
one end of the crank arm swing angle mechanism is connected with the box body base, the other end of the crank arm swing angle mechanism is connected with the second speed reducer, and the crank arm swing angle mechanism, the box body base and the four-connecting-rod swing angle mechanism can swing around a shaft of the second speed reducer.
Furthermore, the cutting torch swinging angle device also comprises a cutting torch clamp, and the cutting torch clamp is used for fixing the cutting torch.
Further, the cutting torch comprises a cutting torch cutting head, and the cutting torch cutting head is concentric with and equal in height to the shaft of the second speed reducer.
Further, the box base comprises a first side face and a third side face, and the first side face is perpendicular to the third side face.
Further, the first speed reducer is installed on the first side face, the shaft of the first speed reducer is perpendicular to the first side face, and the shaft of the second speed reducer is perpendicular to the third side face.
Further, the four-bar linkage swing angle mechanism comprises a first connecting bar, a second connecting bar, a third connecting bar and a fourth connecting bar;
one end of the first connecting rod is connected with the first speed reducer and the box body base, the other end of the first connecting rod is connected with one end of the third connecting rod through a pin shaft, one end of the second connecting rod is connected with the box body base, and the other end of the second connecting rod is connected with one end of the fourth connecting rod.
Furthermore, the cutting torch swinging angle device also comprises a cutting torch mounting base, and the third connecting rod and the fourth connecting rod are respectively connected with the cutting torch mounting base.
Further, the torch clamp is mounted on the torch mounting base.
Further, a coupler is arranged between the second speed reducer and the crank arm swing angle mechanism, and the coupler is a flexible coupler.
Furthermore, a crank arm mounting bracket is arranged on the crank arm swing angle mechanism and used for being connected with a lifting structure of the cutting machine tool.
The utility model discloses can realize one of following beneficial effect at least:
(1) the utility model discloses transform first servo motor and second servo motor's rotation into four-bar linkage's swing, because four-bar linkage self strong stability and lower cost have improved pendulous device's control accuracy by a wide margin to the cutting accuracy and the price advantage of intersecting line cutting machine equipment have been improved.
(2) The utility model discloses the revolving axle with cutting torch cutting head and second speed reducer has adopted installation and design such as concentric and height, and cutting torch cutting head is on X, Y axle swing centers all the time among section bar work piece groove and the contour cutting process, does not change along with X, Y axle swing angle's change to the uniformity of cutting torch cutting head for the section bar upper surface has been guaranteed. In the process of cutting the intersecting line of the complex section bar workpiece, the cutting head of the cutting torch does not need to carry out coordinate calculation and height position adjustment of a plurality of movement axes, and the cutting speed and the cutting quality of the section bar workpiece on the intersecting line cutting machine are further improved.
The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.
Fig. 1 is a first schematic structural diagram of a cutting torch swinging angle device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cutting torch swinging angle device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the counterclockwise swing of the four-bar linkage swing angle mechanism according to the embodiment of the present invention;
fig. 4 is a schematic diagram of the clockwise swing of the four-bar linkage swing angle mechanism according to the embodiment of the present invention.
Reference numerals:
the cutting torch anti-collision device comprises a cutting torch 1, a cutting torch clamp 2, a cutting torch cutting head 3, a cutting torch anti-collision mechanism 4, a cutting torch mounting base 5, a box body base 6, a first side 61, a third side 62, a four-link swing angle mechanism 7, a first link 71, a second link 72, a third link 73, a fourth link 74, a first speed reducer 8, a crank arm swing angle mechanism 9, a second speed reducer 10, a coupler 11, a crank arm mounting support 12, a first pin 13, a second pin 14 and a power pin 15.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection via an intermediate medium. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
For convenience of description, in the embodiment of the present invention, the direction in which the box base 6 is connected to the crank swing angle mechanism 9 is the right side in the embodiment of the present invention, and correspondingly, the opposite direction is the left side. The axis of the first speed reducer 8 is an X axis, the axis of the second speed reducer 10 is a Y axis, and the X axis and the Y axis are mutually vertical.
The utility model discloses an embodiment discloses a numerical control section bar intersection line cutting machine cutting torch pivot angle crank arm device, as shown in fig. 1 to 4, including box base 6, four-bar linkage pivot angle mechanism 7 and crank arm pivot angle mechanism 9.
As shown in fig. 1 and 2, in the present embodiment, the first servo motor disposed on the box base 6 is decelerated by the first speed reducer 8 to drive the four-bar swing angle mechanism 7 to swing, so as to drive the torch clamp 2 and the torch cutting head 3 to swing around the X-axis.
The box base 6 is a hollow cuboid, and two faces of the cuboid are not sealed. The first side 61 of the box base 6 is provided with a reducer mounting hole and a pin shaft hole. The surface opposite to the first side surface 61 is a second side surface, the second side surface is provided with a pin shaft hole, and the pin shaft hole of the second side surface corresponds to the pin shaft hole of the first side surface 61 in position and is used for installing the four-bar linkage swing angle mechanism 7. The reducer mounting hole of the first side surface 61 is used for mounting the first reducer 8. The third side surface 62 is perpendicular to the first side surface 61 and the second side surface, and the third side surface 62 is provided with a crank arm swing angle mechanism mounting hole for mounting the crank arm swing angle mechanism 9.
The four-link swing angle mechanism 7 includes a first link 71, a second link 72, a third link 73, and a fourth link 74. The first connecting rod 71 and the second connecting rod 72 are vertically installed in the box body base 6, one end of the first connecting rod 71 is connected with the first speed reducer 8 and the box body base 6 through the power pin shaft 15, and the first servo motor drives the first connecting rod 71 to drive the four-connecting-rod swing angle mechanism 7 to swing around an X axis through the first speed reducer 8. The first link 71 passes through the fourth link 74, the other end of the first link 71 is connected with one end of the third link 73 through a pin, and the contact part of the first link 71 and the fourth link 74 is hinged. One end of the second link 72 is mounted on the base 6 of the case body through the second pin 14, and the other end of the second link 72 is connected to one end of the fourth link 74. The other ends of the third link 73 and the fourth link 74 are connected to the torch mounting base 5 by the first pin 13. The portion of the first link 71 located above the fourth link 74, the third link 73, and the end of the fourth link 74 located on the left side of the first link 71, together with the torch mounting base 5, form a frame structure having a parallelogram in longitudinal section, and the four corners of the parallelogram are hinged.
As shown in fig. 3, when the first reducer 8 rotates counterclockwise, the first link 71 is driven to swing leftward, the first link 71 drives the third link 73 to move leftward, and the fourth link 74 connected to the third link 73 via the torch mounting base 5 moves leftward, and the second link 72 is driven to swing leftward, so that the four-link pivot angle mechanism 7 swings counterclockwise about the X-axis.
As shown in fig. 4, when the first reducer 8 rotates clockwise, the first link 71 is driven to swing rightward, the first link 71 drives the third link 73 to move rightward, the fourth link 74 connected to the third link 73 via the torch mounting base 5 moves rightward, and the second link 72 is driven to swing rightward, so that the four-link pivot mechanism 7 swings clockwise about the X-axis.
The crank swing angle mechanism 9 is fixedly mounted on the third side surface 62 of the box base 6. A coupler 11 is arranged between the second speed reducer 10 and the crank arm swing angle mechanism 9, the coupler 11 is a flexible coupler, and the flexible coupler can compensate relative displacement of the two shafts by utilizing elastic deformation of an elastic element, so that impact is buffered and vibration is absorbed. The second speed reducer 10 is connected with a second servo motor (not shown in the figure), and the second servo motor can drive the crank arm swing angle mechanism 9 to swing around the Y axis after being reduced by the second speed reducer 10, so as to drive the box body base 6 and the four-bar linkage swing angle mechanism 7 to swing around the Y axis, and further realize that the cutting torch 1 can swing around the X axis and the Y axis simultaneously. The crank arm swing angle mechanism 9 is provided with a crank arm mounting bracket 12, the crank arm mounting bracket 12 is used for connecting a lifting structure of a cutting machine tool, and a cutting torch swing angle crank arm device of the numerical control profile intersection line cutting machine is fixed on the cutting machine tool.
In this embodiment, the cutting torch 1 is fixed by the cutting torch clamp 2, the cutting torch clamp 2 is mounted on the cutting torch mounting base 5, and the cutting torch mounting base 5 is provided with a support leg which is connected to the third link 73 and the fourth link 74 by a pin shaft, respectively. The cutting torch mounting base 5 is also provided with a cutting torch anti-collision mechanism 4. Cutting torch clamp 2 and cutting torch mounting base 5 are fixed through magnetic force absorption, receive the striking when cutting torch 1, and the impact is greater than the cutting torch and presss from both sides 2 and cutting torch mounting base 5 between the adsorption affinity, cutting torch 1 and cutting torch clamp 2 drop from cutting torch mounting base 5, and cutting torch anticollision mechanism 4 detects and passes back to control system behind the drop signal, and the control cutting machine is shut down.
As shown in fig. 1 and 2, the torch cutting head 3 of the present embodiment is concentric and flush with the rotation axis of the second reducer 10, and the torch cutting head 3 is always on the swing centers of the X axis and the Y axis and does not change with the change of the swing angle of the X, Y axis during the cutting process of the profile workpiece, thereby ensuring the consistency of the torch cutting head 3 with respect to the surface of the profile workpiece. In the intersecting line cutting process of the complex section bar workpiece, the cutting torch cutting head 3 does not need to carry out coordinate calculation and height position adjustment of a plurality of movement axes, and the cutting speed and the cutting quality of the section bar workpiece on the intersecting line cutting machine are further improved.
To sum up, the embodiment of the utility model provides a pair of numerical control section bar intersection wire cutting machine cutting torch pivot angle crank arm device, cutting torch pivot angle device adopt four-bar linkage, compact structure, stability, calculate simply, light in weight, the error is little for solve the intersection wire cutting and the processing problem of complicated section bar work piece in many trades at present.
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. A cutting torch swing angle device is characterized by comprising a box body base (6), a four-connecting-rod swing angle mechanism (7), a crank arm swing angle mechanism (9), a first speed reducer (8) and a second speed reducer (10);
the four-connecting-rod swing angle mechanism (7) is hinged with the box body base (6), and the four-connecting-rod swing angle mechanism (7) can swing around a shaft of the first speed reducer (8);
one end of the crank arm swing angle mechanism (9) is connected with the box body base (6), the other end of the crank arm swing angle mechanism is connected with the second speed reducer (10), and the crank arm swing angle mechanism (9), the box body base (6) and the four-connecting-rod swing angle mechanism (7) can swing around the shaft of the second speed reducer (10).
2. The torch pivot angle apparatus of claim 1, further comprising a torch clamp (2), the torch clamp (2) being used to fix the torch (1).
3. The torch pivot angle arrangement according to claim 2, characterized in that the torch (1) comprises a torch cutting head (3), the torch cutting head (3) being concentric and equal in height to the axis of the second reducer (10).
4. The torch tilt angle apparatus of claim 1, wherein the box base (6) comprises a first side (61) and a third side (62), the first side (61) being perpendicular to the third side (62).
5. The torch pivot angle apparatus of claim 4 wherein the first speed reducer (8) is mounted on the first side (61), the axis of the first speed reducer (8) being perpendicular to the first side (61), and the axis of the second speed reducer (10) being perpendicular to the third side (62).
6. The torch pivot angle apparatus according to claim 2, wherein the four-bar pivot angle mechanism (7) comprises a first bar (71), a second bar (72), a third bar (73), and a fourth bar (74);
one end of the first connecting rod (71) is connected with the first speed reducer (8) and the box body base (6), the other end of the first connecting rod is connected with one end of the third connecting rod (73) through a pin shaft, one end of the second connecting rod (72) is connected with the box body base (6), and the other end of the second connecting rod is connected with one end of the fourth connecting rod (74).
7. The torch pivot angle apparatus of claim 6 further comprising a torch mounting base (5), wherein the third link (73) and the fourth link (74) are connected to the torch mounting base (5), respectively.
8. The torch pivot angle apparatus of claim 7 wherein the torch clamp (2) is mounted on the torch mounting base (5).
9. The cutting torch swinging angle device according to the claim 1, characterized in that a coupling (11) is arranged between the second speed reducer (10) and the crank arm swinging angle mechanism (9), and the coupling (11) is a flexible coupling.
10. The cutting torch swinging angle device according to any one of the claims 1 to 9, characterized in that a crank arm mounting bracket (12) is arranged on the crank arm swinging angle mechanism (9), and the crank arm mounting bracket (12) is used for connecting a lifting structure of a cutting machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021713316.2U CN213135382U (en) | 2020-08-17 | 2020-08-17 | Cutting torch swing angle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021713316.2U CN213135382U (en) | 2020-08-17 | 2020-08-17 | Cutting torch swing angle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213135382U true CN213135382U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021713316.2U Active CN213135382U (en) | 2020-08-17 | 2020-08-17 | Cutting torch swing angle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213135382U (en) |
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2020
- 2020-08-17 CN CN202021713316.2U patent/CN213135382U/en active Active
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