CN217316575U - Automatic pipe plate welding machine capable of preventing deviation - Google Patents
Automatic pipe plate welding machine capable of preventing deviation Download PDFInfo
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- CN217316575U CN217316575U CN202123346999.XU CN202123346999U CN217316575U CN 217316575 U CN217316575 U CN 217316575U CN 202123346999 U CN202123346999 U CN 202123346999U CN 217316575 U CN217316575 U CN 217316575U
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Abstract
The utility model relates to the field of tube plate welding, in particular to an automatic tube plate welding machine capable of preventing deviation, which comprises a fixed rod, wherein a cavity is arranged in the fixed rod, and a screw rod, a push block and an extrusion block are arranged in the cavity; a plurality of sliding grooves are uniformly formed in the outer ring of the fixed rod, an extrusion block is slidably connected in the sliding grooves, the inclined surface of the inner end of the extrusion block is extruded on the inclined surface of the push block, the middle position of the push block is connected with a screw rod, one end of the screw rod is rotatably connected to the inner bottom surface of the cavity, and the other end of the screw rod is connected with an external motor; the end face of the fixed rod is fixedly connected with a connecting plate, the connecting plate is fixedly connected with a cylinder, and the supporting plate is connected with a welding head of an electric welding machine; the motor drives the screw rod to rotate, and the screw rod drives the ejector pad and removes, and the inclined plane of ejector pad extrusion piece for the outer terminal surface extrusion of extrusion piece is on the body inside wall, and the body is lived by dead lever fixed stay this moment, promptly, and the body is coaxial with the through-hole this moment, and the welding is passed through at last to the welding machine welding, guarantees the accurate welding of body and through-hole, guarantees the welding seam quality.
Description
Technical Field
The utility model relates to a tube sheet welding field specifically is a prevent tube sheet automatic weld machine of skew.
Background
The fixed tube-plate heat exchanger is a shell-and-tube heat exchanger with tube plates at two ends of a tube bundle fixedly connected with a shell by adopting a welding method;
during the welding, set up the through-hole on the board in advance, through-hole and pipeline clearance fit, the convenient body runs through the plate body, and manual welding is nimble, convenient, nevertheless manual welding is unstable for the coaxial arrangement of failing between body and the through-hole, welding seam outward appearance and inherent quality are unstable, for this reason, to above-mentioned problem, the utility model discloses a design a prevent tube sheet automatic welder of excursion.
SUMMERY OF THE UTILITY MODEL
In order to make up the deficiency of the prior art, the utility model provides a prevent tube sheet automatic welder of excursion.
The utility model provides a technical scheme that its technical problem adopted is: prevent tube sheet automatic welder of excursion, its characterized in that: the device comprises a fixed rod, wherein a cavity is formed in the fixed rod, and a screw rod, a push block and an extrusion block are arranged in the cavity; a plurality of sliding grooves are uniformly formed in the outer ring of the fixed rod, an extrusion block is slidably connected in the sliding grooves, the inclined surface of the inner end of the extrusion block is extruded on the inclined surface of the push block, the middle position of the push block is connected with a screw rod, one end of the screw rod is rotatably connected to the inner bottom surface of the cavity, and the other end of the screw rod is connected with an external motor; the end face of the fixed rod is fixedly connected with a connecting plate, the connecting plate is fixedly connected with an air cylinder, the outer side wall of the air cylinder is fixedly connected with a supporting plate, and the supporting plate is connected with a welding head of an electric welding machine; at first fix the automatic welding machine subaerial, and the height of adjustment dead lever, make dead lever and coaxial setting of through-hole, then the cylinder, the cylinder passes through the connecting plate in with dead lever propelling movement to the one end of body, then driving motor, the motor is transferred the screw rod and is rotated, the screw rod drives the ejector pad and removes, the inclined plane of ejector pad's inclined plane extrusion piece, make the outer terminal surface extrusion of extrusion piece on the body inside wall, the body is lived by dead lever fixed stay this moment, namely, the body is coaxial with the through-hole this moment, at last, weld through the welding machine, guarantee the accurate welding of body and through-hole, guarantee the welding seam quality.
Preferably, the inclined planes at the inner ends of the extrusion blocks are symmetrically arranged, each inclined plane is attached to and extruded with the inclined plane of one push block, and the inner threads of the two push blocks connected with the same extrusion block are oppositely arranged; set up two inclined planes on every extrusion piece, the ejector pad of two symmetries simultaneously holds in the palm the promotion to same extrusion piece, and the outer terminal surface and the attached more stable of body inside wall of extrusion piece, reinforcing fixed link are to the fixed stay effect of body.
Preferably, the inner side wall of the cavity is provided with an L-shaped plate, the vertical ends of one end of the L-shaped plate are fixedly connected with each other in the cavity, the horizontal end of the L-shaped plate is provided with a spring, and the side wall of the extrusion block is connected to the horizontal end of the L-shaped plate through the spring; through setting up the spring, when the extrusion piece was kept away from to the ejector pad, the extrusion piece will be extruded the piece and pull back initial position under the effect of spring for in the extrusion piece retracted to cavity, the convenience stretches into the body with the dead lever.
Preferably, each extrusion block is provided with a through hole which is arc-shaped, a ring-shaped tension spring is arranged in the through hole, and the same tension spring penetrates through all the extrusion blocks; through setting up the extension spring, further auxiliary spring draws back the extrusion piece to the cavity in, when guaranteeing that the dead lever is not to body fixed stay, in the cavity was arranged in to the extrusion piece, convenient next time with the dead lever embedding body.
Preferably, each extrusion block is symmetrically provided with two through holes, and a tension spring penetrates through the through holes in the same radial direction; two through holes are symmetrically formed in each extrusion block, so that the stress of the extrusion blocks is balanced, and the extrusion blocks are prevented from being clamped due to unbalanced stress.
Preferably, a rubber buffer layer is arranged on the outer end face of each extrusion block; through setting up the rubber buffer layer, prevent that the outer terminal surface of extrusion piece from with body inside wall extrusion breakage, the body inside wall is protected.
The utility model discloses an useful part lies in:
1. fix automatic welding machine subaerial, and the height of adjustment dead lever, make dead lever and coaxial setting of through-hole, then the cylinder, the cylinder passes through the connecting plate in with dead lever propelling movement to the one end of body, then driving motor is followed, the motor drives the screw rod and rotates, the screw rod drives the ejector pad and removes, the inclined plane of the inclined plane extrusion piece of ejector pad, make the outer terminal surface extrusion of extrusion piece on the body inside wall, the body is lived by dead lever fixed stay this moment, promptly, the body is coaxial with the through-hole this moment, at last, through the welding of welding machine, guarantee the accurate welding of body and through-hole, guarantee the welding seam quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a perspective view of an automatic welding machine for a middle tube plate according to an embodiment;
FIG. 2 is a cross-sectional view of an automatic welding machine for a middle tube plate according to an embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a drawing showing the tension spring and the extrusion block according to the first embodiment;
FIG. 5 is a view showing the fixing pins and the extrusion blocks according to the second embodiment;
in the figure: the device comprises a fixing rod 1, a cavity 2, a screw rod 3, a pushing block 4, an extrusion block 5, a connecting plate 6, a supporting plate 7, a welding head 8, an L-shaped plate 9, a spring 10, a through hole 11, a tension spring 12, a rubber buffer layer 13 and a fixing pin 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, an anti-shifting automatic tube plate welding machine is characterized in that: the device comprises a fixed rod 1, wherein a cavity 2 is formed in the fixed rod 1, and a screw rod 3, a push block 4 and an extrusion block 5 are arranged in the cavity 2; a plurality of sliding grooves are uniformly formed in the outer ring of the fixed rod 1, an extrusion block 5 is connected in the sliding grooves in a sliding mode, the inclined surface of the inner end of the extrusion block 5 is extruded on the inclined surface of the push block 4, the middle position of the push block 4 is connected with a screw rod 3, one end of the screw rod 3 is rotatably connected to the inner bottom surface of the cavity 2, and the other end of the screw rod 3 is connected with an external motor; the end face of the fixed rod 1 is fixedly connected with a connecting plate 6, the connecting plate 6 is fixedly connected with an air cylinder, the outer side wall of the air cylinder is fixedly connected with a supporting plate 7, and the supporting plate 7 is connected with a welding joint 8 of an electric welding machine; the fixed tube-sheet heat exchanger is a shell-and-tube heat exchanger in which tube sheets at two ends of a tube bundle are fixedly connected with a shell by adopting a welding method, when in welding, a through hole 11 is formed in advance on the plate, the through hole 11 is in clearance fit with a pipeline, so that the tube body can conveniently penetrate through the plate body, the manual welding is flexible and convenient, but the manual welding is unstable, the coaxial erection between the tube body and the through hole 11 cannot be realized, and the appearance and the internal quality of a welding seam are unstable, therefore, the utility model designs an automatic welding machine for the tube sheet with the function of deviation prevention; at first fix the automatic welder subaerial, and the height of adjustment dead lever 1, make dead lever 1 and the coaxial setting of through-hole 11, then the cylinder, the cylinder passes through connecting plate 6 in with dead lever 1 propelling movement to the one end of body, then driving motor, the motor drives screw rod 3 and rotates, screw rod 3 drives ejector pad 4 and removes, the inclined plane of ejector pad 4's inclined plane extrusion piece 5, make the outer terminal surface extrusion of extrusion piece 5 on the body inside wall, the body is lived by dead lever 1 fixed stay this moment, namely, the body is coaxial with through-hole 11 this moment, pass through the welding machine welding at last, guarantee the accurate welding of body and through-hole 11, guarantee the welding seam quality.
The inner end inclined planes of the extrusion blocks 5 are symmetrically arranged, each inclined plane is attached to and extruded with an inclined plane of the push block 4, and the inner threads of the two push blocks 4 connected with the same extrusion block 5 are arranged in opposite directions; set up two inclined planes on every extrusion piece 5, the ejector pad 4 of two symmetries simultaneously holds in the palm the promotion to same extrusion piece 5, and the outer terminal surface of extrusion piece 5 and the attached more stable of body inside wall, reinforcing dead lever 1 is to the fixed stay effect of body.
An L-shaped plate 9 is arranged on the inner side wall of the cavity 2, one vertical end of each L-shaped plate 9 is fixedly connected with the inside of the cavity 2, a spring 10 is arranged at the horizontal end of each L-shaped plate 9, and the side wall of the extrusion block 5 is connected to the horizontal end of each L-shaped plate 9 through the spring 10; through setting up spring 10, when pushing away from extrusion piece 5 by ejector pad 4, extrusion piece 5 draws back extrusion piece 5 to initial position under spring 10's effect for extrusion piece 5 retracts to cavity 2 in, conveniently stretches into the body with dead lever 1.
Each extrusion block 5 is provided with a through hole 11, the through hole 11 is arc-shaped, a ring-shaped tension spring 12 is arranged in the through hole 11, and the same tension spring 12 of the tension spring 12 penetrates through all the extrusion blocks 5; through setting up extension spring 12, further assist spring 10 draws back extrusion piece 5 to cavity 2 in, when guaranteeing that dead lever 1 is not to body fixed stay, extrusion piece 5 is arranged in cavity 2, makes things convenient for next time with dead lever 1 embedding body.
Each extrusion block 5 is symmetrically provided with two through holes 11, and a tension spring 12 penetrates through the through holes 11 in the same radial direction; two through holes 11 are symmetrically formed in each extrusion block 5, so that the stress of the extrusion blocks 5 is balanced, and the extrusion blocks 5 are prevented from being clamped due to unbalanced stress.
A rubber buffer layer 13 is arranged on the outer end face of each extrusion block 5; through setting up rubber buffer layer 13, prevent that the outer terminal surface of extrusion piece 5 from with body inside wall extrusion breakage, the body inside wall is protected.
Example two:
referring to fig. 5, comparative example one, as another implementation mode of the present invention, wherein the inner end face of the rubber buffer plate is provided with a fixing pin 14, the fixing pin 14 is embedded in a fixing hole opened on the outer end face of the extrusion block 5, after the rubber buffer layer 13 is used for multiple times, the abrasion loss is serious, and when the rubber buffer layer cannot be used, the rubber buffer plate is buckled from the extrusion block 5, and then the fixing pin 14 on the new rubber buffer layer 13 is embedded in the fixing hole, so that the operation is convenient, and the replacement of the rubber buffer layer 13 is convenient.
The working principle is as follows: firstly, fixing an automatic welding machine on the ground, adjusting the height of a fixing rod 1 to enable the fixing rod 1 and a through hole 11 to be coaxially arranged, then, using a cylinder to push the fixing rod 1 into one end of a pipe body through a connecting plate 6, then, using a driving motor to drive a screw rod 3 to rotate, using the screw rod 3 to drive a push block 4 to move, using the inclined surface of the push block 4 to extrude the inclined surface of an extrusion block 5, enabling the outer end surface of the extrusion block 5 to be extruded on the inner side wall of the pipe body, and at the moment, fixedly supporting the pipe body by the fixing rod 1, namely, enabling the pipe body to be coaxial with the through hole 11, finally, welding through the welding machine, ensuring the accurate welding of the pipe body and the through hole 11, and ensuring the quality of a welding seam;
two inclined planes are arranged on each extrusion block 5, and meanwhile, two symmetrical push blocks 4 push the same extrusion block 5, so that the outer end face of each extrusion block 5 is attached to the inner side wall of the pipe body more stably, and the fixing and supporting effect of the fixing rod 1 on the pipe body is enhanced;
by arranging the spring 10, when the push block 4 is far away from the extrusion block 5, the extrusion block 5 is pulled back to the initial position under the action of the spring 10, so that the extrusion block 5 is retracted into the cavity 2, and the fixed rod 1 can be conveniently extended into the pipe body;
by arranging the tension spring 12, the auxiliary spring 10 further pulls the extrusion block 5 back into the cavity 2, so that when the fixed rod 1 does not fixedly support the pipe body, the extrusion block 5 is arranged in the cavity 2, and the fixed rod 1 can be conveniently embedded into the pipe body next time; two through holes 11 are symmetrically formed in each extrusion block 5, so that the stress of the extrusion blocks 5 is balanced, and the extrusion blocks 5 are prevented from being clamped due to unbalanced stress; through setting up rubber buffer layer 13, prevent that the outer terminal surface of extrusion piece 5 from with body inside wall extrusion breakage, the body inside wall is protected.
In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a prevent automatic welding machine of tube sheet that shifts which characterized in that: the device comprises a fixed rod (1), wherein a cavity (2) is formed in the fixed rod (1), and a screw rod (3), a push block (4) and an extrusion block (5) are arranged in the cavity (2); the outer ring of the fixed rod (1) is uniformly provided with a plurality of sliding grooves, the sliding grooves are connected with an extrusion block (5) in a sliding mode, the inclined plane of the inner end of the extrusion block (5) is extruded on the inclined plane of the push block (4), the middle position of the push block (4) is connected with the screw rod (3), one end of the screw rod (3) is rotatably connected to the inner bottom surface of the cavity (2), and the other end of the screw rod (3) is connected with an external motor; the end face of the fixed rod (1) is fixedly connected with a connecting plate (6), the connecting plate (6) is fixedly connected with a cylinder, the outer side wall of the cylinder is fixedly connected with a supporting plate (7), and the supporting plate (7) is connected with a welding head (8) of an electric welding machine.
2. The automatic tube plate welding machine capable of preventing deviation according to claim 1, wherein: the inner end inclined planes of each extrusion block (5) are symmetrically arranged, each inclined plane is attached to and extrudes the inclined plane with one push block (4), and the inner threads of the two push blocks (4) connected with the same extrusion block (5) are arranged in opposite directions.
3. The automatic tube plate welding machine capable of preventing deviation according to claim 1, wherein: be equipped with L shaped plate (9) on cavity (2) inside wall, each other in the vertical end rigid coupling cavity (2) of one end of L shaped plate (9), the horizontal end of L shaped plate (9) is equipped with spring (10), and the lateral wall of extrusion piece (5) passes through spring (10) to be connected on the horizontal end of L shaped plate (9).
4. The anti-shifting automatic tube sheet welding machine according to claim 3, wherein: every offer through-hole (11) on extrusion piece (5), through-hole (11) are the arc form, are equipped with annular form extension spring (12) in through-hole (11), and all extrusion pieces (5) are run through with one extension spring (12) in extension spring (12).
5. The anti-shifting automatic tube sheet welding machine according to claim 4, wherein: two through holes (11) are symmetrically formed in each extrusion block (5), and a tension spring (12) penetrates through the through holes (11) in the same radial direction.
6. The automatic pipe plate welding machine capable of preventing deviation as claimed in claim 5, wherein: and a rubber buffer layer (13) is arranged on the outer end face of each extrusion block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123346999.XU CN217316575U (en) | 2021-12-28 | 2021-12-28 | Automatic pipe plate welding machine capable of preventing deviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123346999.XU CN217316575U (en) | 2021-12-28 | 2021-12-28 | Automatic pipe plate welding machine capable of preventing deviation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217316575U true CN217316575U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123346999.XU Active CN217316575U (en) | 2021-12-28 | 2021-12-28 | Automatic pipe plate welding machine capable of preventing deviation |
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| Country | Link |
|---|---|
| CN (1) | CN217316575U (en) |
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2021
- 2021-12-28 CN CN202123346999.XU patent/CN217316575U/en active Active
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