Cylinder welding internal supporting structure

Abstract

The utility model provides a cylinder welding internal supporting structure which comprises a displacement tailstock box, a hollow cavity is formed by peripheral side walls, a slewing bearing is arranged at the bottom of the displacement tailstock box, a linear bearing is arranged on the front side and the rear side of the displacement tailstock box in a penetrating mode through bolt connection, and a cylinder is arranged in the center of the linear bearing in a penetrating mode. An inner supporting module is arranged on the outer side, away from the displacement tailstock box, of the left side or the right side of the cylinder. A cavity is formed in the position-changing tailstock box, a linear bearing is arranged in the cavity, one side of the driving module is arranged in the cavity, and the other side of the driving module penetrates through the position-changing tailstock box to be connected with the inner supporting module. The position-changing tailstock box, the linear bearing, the inner supporting module and the driving module are adopted, and the driving module controls the inner supporting module to support a cylinder to be round before welding; after the end socket and the round supporting cylinder are assembled, automatic spot welding is carried out through an argon arc welding automatic welding machine to complete machining, and in the spot welding process, the inner supporting module can provide supporting for the cylinder to prevent the cylinder from deforming in the welding process.

Description

Technical Field

[0001] The utility model relates to the field of cylinder welding, in particular to the technical field of cylinder welding anti-deformation, and specifically provides an internal supporting structure for cylinder welding. Background Art

[0002] At present, when the argon arc welding automatic welding machine automatically spot welds the head and the cylinder, the cylinder is a thin-walled cylinder with poor roundness and easy to deform. During welding, the thin-walled cylinder and the head cannot be assembled together well. It is necessary to design an internal support structure for cylinder welding that can adapt to the inner diameter of the cylinder within a certain range. During welding, the cylinder can be rounded from the inside to improve the strength of the cylinder. Summary of the Invention

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a cylinder welding internal support structure for solving the difficulties of the prior art.

[0004] To achieve the above-mentioned and other related purposes, the present invention provides a cylinder welding internal support structure, comprising:

[0005] The tailstock box 1 has a hollow cavity 11 formed by four side walls. A slewing bearing 12 is provided at the bottom of the tailstock box 1. A bottom plate 13 is provided at the bottom of the slewing bearing 12. Box-type sliders 14 are provided around the bottom of the bottom plate 13.

[0006] A linear bearing 2 is provided on the front and rear sides of the tailstock box 1 through bolt connection. A cylinder 3 is provided in the middle of the linear bearing 2. An inner support module 4 is provided on the left or right side of the cylinder 3 away from the tailstock box 1.

[0007] The driving module 5 has one side disposed in the cavity 11 , and the other side of the driving module 5 passes through the displacement tail frame box 1 and is connected to the inner support module 4 .

[0008] According to the preferred embodiment, the bottom of the displacement tailstock box 1 is connected to the outer ring of the slewing bearing 12 by bolts, and the top of the base plate 13 is connected to the inner ring of the slewing bearing 12 by bolts.

[0009] According to the preferred embodiment, the inner support module 4 includes:

[0010] The No. 1 connecting rod seat 41 is provided in an array. The No. 1 connecting rod seat 41 in the array is arranged at equal intervals on the left or right side of the cylinder 3 away from the shift tailstock box 1 by welding. Each group of the No. 1 connecting rod seat 41 is arranged around the outer wall of the cylinder 3.

[0011] The outer connecting rods 42 are arranged in an array around the outer side of the cylinder 3. The outer connecting rods 42 are arranged on the side close to the first connecting rod seat 41. The outer connecting rods 42 are welded with second connecting rod seats 43 at equal intervals on the side close to the cylinder 3.

[0012] A driven connecting rod 44, one side of which is clamped in the No. 1 connecting rod seat 41, and the other side of which is clamped in the No. 2 connecting rod seat 43, and the driven connecting rod 44 is connected to the No. 1 connecting rod seat 41 and the No. 2 connecting rod seat 43 via a rotating shaft;

[0013] The support plates 45 are connected to the front and rear sides of the outer connecting rod 42 by bolts.

[0014] According to a preferred embodiment, the driving module 5 includes:

[0015] A third connecting rod seat 51 is welded to the inner wall of the outer connecting rod 42 on the side close to the tailstock box 1;

[0016] A circular sleeve 52 is mounted on the cylinder 3 through a clearance fit. The circular sleeve 52 is located between the outer connecting rod 42 and the shifting tailstock box 1. A fourth connecting rod seat 53 is welded around the outer side of the circular sleeve 52 away from the shifting tailstock box 1.

[0017] An active connecting rod 54, one side of which is clamped in the third connecting rod seat 51, and the other side of which is clamped in the fourth connecting rod seat 53. The active connecting rod 54 is connected to the third connecting rod seat 51 and the fourth connecting rod seat 53 via a rotating shaft;

[0018] The cylinder push plate 55 is sleeved on the side of the circular sleeve 52 close to the tailstock box 1, and there is a clearance fit between the cylinder push plate 55 and the circular sleeve 52;

[0019] The rod-end external threaded cylinder 56 is arranged in the cavity 11 on the left and right sides of the linear bearing 2. The rod-end external threaded cylinder 56 is connected by bolts on the inner wall of the top of the displacement tail frame box 1 close to the driven connecting rod 44. A cylinder rod 57 is passed through the middle of the rod-end external threaded cylinder 56. The top of the cylinder rod 57 passes through the displacement tail frame box 1 and is connected to the cylinder push plate 55 by bolts.

[0020] The utility model adopts a variable position tail frame box, a linear bearing, an internal support module and a drive module. Before welding, the drive module controls the internal support module to make the cylinder round. After the head and the rounded cylinder are assembled, the processing is completed by automatic spot welding using an argon arc welding automatic welding machine. During the spot welding process, the internal support module can provide support for the cylinder to prevent the cylinder from deformation during welding.

[0021] The following will describe in more detail the best embodiments of the present invention in conjunction with the accompanying drawings so that the features and advantages of the present invention can be easily understood. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 Shown is a schematic diagram of the three-dimensional structure of the utility model when it is installed on an automatic argon arc welding machine;

[0024] Figure 3 Shown is an enlarged schematic diagram of the three-dimensional structure of the interior of the tailstock box in the present invention;

[0025] Figure 4 Shown is an enlarged schematic diagram of the three-dimensional structure of the outer connecting rod and the circular sleeve in the present invention;

[0026] Figure 5 Shown is an enlarged schematic diagram of the three-dimensional structure of the circular sleeve and the cylinder push plate in the present invention;

[0027] Figure 6 Shown is an enlarged schematic diagram of the three-dimensional structure of the cylinder in the present invention;

[0028] Figure 7 Shown is an enlarged schematic diagram of the three-dimensional structure of the outer connecting rod in the present invention;

[0029] Label Description

[0030] 1. Tailstock box; 11. Cavity; 12. Slewing bearing; 13. Bottom plate; 14. Box-type slide;

[0031] 2. Linear bearing; 3. Cylinder;

[0032] 4. Inner support module; 41. No. 1 connecting rod seat; 42. Outer connecting rod; 43. No. 2 connecting rod seat; 44. Driven connecting rod; 45. Support plate;

[0033] 5. Drive module; 51. Connecting rod seat No. 3; 52. Round sleeve; 53. Connecting rod seat No. 4; 54. Active connecting rod; 55. Cylinder push plate; 56. Cylinder with external thread at rod end; 57. Cylinder rod; DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of the specific embodiments of the present invention. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Compared to the embodiments shown in the drawings, feasible embodiments within the scope of protection of the present invention may have fewer components, other components not shown in the drawings, different components, differently arranged components, or differently connected components, etc. In addition, two or more components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0036] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by persons of ordinary skill in the field to which the present invention belongs. The words "first", "second" and similar terms used in the specification and claims of the present utility model patent application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "a" or "an" do not necessarily indicate a quantity limitation. Words such as "include" or "comprising" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0037] The present invention proposes an internal support structure for cylinder welding, which is used in the cylinder and head welding process. The present invention does not limit the type of cylinder, but the structure of the displacement tail frame box 1, linear bearing 2, internal support module 4 and drive module 5 is particularly suitable for supporting the inner wall of the cylinder to make the cylinder of a thin-walled barrel round.

[0038] In general, the internal support structure of the cylinder welding proposed by the present invention mainly includes: a displacement tailstock box 1, a linear bearing 2, an internal support module 4 and a drive module 5. Figure 1 , which shows the arrangement relationship of the displacement tailstock box 1, the linear bearing 2, the inner support module 4 and the drive module 5.

[0039] The cylinder welding internal support structure proposed in the present invention can be used as follows Figure 2 As shown, it is installed on an argon arc welding automatic welding machine. Before welding, the driving module 5 is used to control the internal support module 4 to round the cylinder. After the head and the rounded cylinder are assembled, the processing is completed by automatic spot welding through the argon arc welding automatic welding machine. During the spot welding process, the internal support module 4 can always provide support for the cylinder to prevent the cylinder from deformation during welding.

[0040] It should be noted that the maximum cylinder radius that the internal support module 4 can expand is the sum of the radius of the cylinder 3 + the length of the driven connecting rod 44 + the thickness of the outer connecting rod + the thickness of the support plate. The cylinder radius that the internal support module 4 can expand must be greater than the sum of the radius of the cylinder 3 + the thickness of the driven connecting rod 44 + the thickness of the outer connecting rod + the thickness of the support plate.

[0041] The above-mentioned displacement tailstock box 1 is composed of a hollow cavity 11 formed by four side walls. A slewing bearing 12 is provided at the bottom of the displacement tailstock box 1. The slewing bearing 12 facilitates the control of the displacement tailstock box 1 to adjust the angle of the cylinder to be welded. A bottom plate 13 is provided at the bottom of the slewing bearing 12. A box-type slider 14 is provided around the bottom of the bottom plate 13. The box-type slider 14 makes it easy to install the utility model on the track of the argon arc welding automatic welding machine.

[0042] The linear bearing 2 is connected by bolts and is penetrated on both sides of the tailstock box 1. A cylinder 3 is penetrated in the middle of the linear bearing 2 and can adapt to the function of driving the cylinder to rotate during welding by the argon arc welding automatic welding machine.

[0043] The above-mentioned inner support module 4 is arranged on the left or right side of the cylinder 3 away from the outer side of the displacement tailstock box 1. The inner support module 4 includes: a No. 1 connecting rod seat 41, an outer connecting rod 42 and a driven connecting rod 44, wherein the No. 1 connecting rod seat 41 is provided in an array, and the No. 1 connecting rod seat 41 of the array is arranged at equal intervals on the left or right side of the cylinder 3 away from the displacement tailstock box 1 by welding. Each group of No. 1 connecting rod seats 41 is arranged around the outer wall of the cylinder 3, and the outer connecting rods 42 are arranged around the outer side of the cylinder 3 in an array. The outer connecting rod 42 is arranged on the side close to the No. 1 connecting rod seat 41, and the No. 2 connecting rod seat 43 is arranged at equal intervals on the side of the outer connecting rod 42 close to the cylinder 3 by welding. One side of the driven connecting rod 44 is clamped in the No. 1 connecting rod seat 41, and the other side of the driven connecting rod 44 is clamped in the No. 2 connecting rod seat 43. The driven connecting rod 44 is connected to the No. 1 connecting rod seat 41 and the No. 2 connecting rod seat 43 through a rotating shaft, and the support plate 45 is arranged on the front and rear sides of the outer connecting rod 42 by bolt connection, and the support plate 45 is used to support the front and rear ends of the cylinder.

[0044] One side of the above-mentioned driving module 5 is arranged in the cavity 11, and the other side of the driving module 5 passes through the displacement tail frame box 1 and is connected to the inner support module 4. The driving module 5 includes: a No. 3 connecting rod seat 51, a round sleeve 52, an active connecting rod 54, a cylinder push plate 55 and a rod-end external threaded cylinder 56, wherein the No. 3 connecting rod seat 51 is arranged on the inner side wall of the outer connecting rod 42 close to the displacement tail frame box 1 by welding, and the round sleeve 52 is sleeved on the cylinder 3 through a clearance fit. The round sleeve 52 is located between the outer connecting rod 42 and the displacement tail frame box 1, and a No. 4 connecting rod seat 53 is welded around the outer side of the round sleeve 52 away from the displacement tail frame box 1. One side of the active connecting rod 54 is clamped in the No. 3 connecting rod seat 51, and the other side of the active connecting rod 54 is clamped in the No. 4 connecting rod seat 53. The active connecting rod 54 is connected to the No. 3 connecting rod seat 51 and The No. 4 connecting rod seats 53 are connected by a rotating shaft, and the cylinder push plate 55 is sleeved on the side of the round sleeve 52 close to the displacement tailstock box 1. The cylinder push plate 55 and the round sleeve 52 are connected by bolts. The rod-end externally threaded cylinder 56 is arranged in the cavity 11 on the left and right sides of the linear bearing 2. The rod-end externally threaded cylinder 56 is arranged on the inner side wall of the top of the displacement tailstock box 1 close to the driven connecting rod 44 by bolts. A cylinder rod 57 is passed through the middle of the rod-end externally threaded cylinder 56. The top of the cylinder rod 57 passes through the displacement tailstock box 1 and is connected to the cylinder push plate 55 by bolts. The rod-end externally threaded cylinder 56 drives the cylinder rod 57 to push the cylinder push plate 55 to drive the round sleeve 52 to move back and forth along the cylinder between the No. 3 connecting rod seat 51 and the displacement tailstock box 1, driving the active connecting rod 54 to drive the outer connecting rod 42 to open and close.

[0045] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. A cylindrical welded internal support structure, characterized in that: include: A displacement tailstock box (1), wherein the displacement tailstock box (1) is formed of a hollow cavity (11) with four side walls, a slewing bearing (12) is provided at the bottom of the displacement tailstock box (1), a bottom plate (13) is provided at the bottom of the slewing bearing (12), and box-type sliders (14) are provided around the bottom of the bottom plate (13); A linear bearing (2) is provided on both the front and rear sides of the tail frame box (1) through bolt connection, a cylinder (3) is provided in the middle of the linear bearing (2), and an inner support module (4) is provided on the left or right side of the cylinder (3) away from the tail frame box (1); A driving module (5), one side of the driving module (5) is arranged in the cavity (11), and the other side of the driving module (5) passes through the displacement tail frame box (1) and is connected to the inner support module (4).

2. The cylinder welding internal support structure according to claim 1, characterized in that: The bottom of the displacement tailstock box (1) is connected to the outer ring of the slewing bearing (12) through bolts, and the top of the base plate (13) is connected to the inner ring of the slewing bearing (12) through bolts.

3. The cylinder welding internal support structure according to claim 2, characterized in that: The inner support module (4) comprises: A No. 1 connecting rod seat (41), wherein the No. 1 connecting rod seat (41) is provided in an array, wherein the No. 1 connecting rod seats (41) in the array are arranged at equal intervals on the left side or the right side of the cylinder (3) in a direction away from the displacement tailstock box (1) by welding, and each group of the No. 1 connecting rod seats (41) is arranged around the outer wall of the cylinder (3); Outer connecting rods (42), the outer connecting rods (42) are arranged in an array around the outer periphery of the cylinder (3), the outer connecting rods (42) are arranged on a side close to the first connecting rod seat (41), and a second connecting rod seat (43) is arranged at equal intervals on the side of the outer connecting rod (42) close to the cylinder (3) by welding; A driven connecting rod (44), one side of the driven connecting rod (44) is clamped in the No. 1 connecting rod seat (41), and the other side of the driven connecting rod (44) is clamped in the No. 2 connecting rod seat (43), and the driven connecting rod (44) is connected to the No. 1 connecting rod seat (41) and the No. 2 connecting rod seat (43) through a rotating shaft; A support plate (45) is provided on the front and rear sides of the outer connecting rod (42) through bolt connection.

4. The cylinder welding internal support structure according to claim 3, characterized in that: The driving module (5) comprises: A third connecting rod seat (51), the third connecting rod seat (51) is arranged on the inner side wall of the outer connecting rod (42) close to the shifting tail frame box (1) by welding; A circular sleeve (52) is sleeved on the cylinder (3) through a clearance fit, and the circular sleeve (52) is located between the outer connecting rod (42) and the shifting tail frame box (1). A fourth connecting rod seat (53) is provided on the outer periphery of the circular sleeve (52) away from the shifting tail frame box (1) by welding; An active connecting rod (54), one side of the active connecting rod (54) is clamped in the third connecting rod seat (51), and the other side of the active connecting rod (54) is clamped in the fourth connecting rod seat (53), and the active connecting rod (54) is connected to the third connecting rod seat (51) and the fourth connecting rod seat (53) via a rotating shaft; A cylinder push plate (55) is sleeved on a side of the circular sleeve (52) close to the tailstock box (1), and a clearance fit is formed between the cylinder push plate (55) and the circular sleeve (52); The rod-end externally threaded cylinder (56) is arranged in the cavity (11) on the left and right sides of the linear bearing (2), and the rod-end externally threaded cylinder (56) is arranged on the inner side wall of the top of the displacement tail frame box (1) close to the driven connecting rod (44) through bolt connection. A cylinder rod (57) is passed through the middle of the rod-end externally threaded cylinder (56), and the top of the cylinder rod (57) passes through the displacement tail frame box (1) and is connected to the cylinder push plate (55) through bolts.

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