Corrosion-resistant brake pipe joint welding device

Abstract

The utility model discloses a corrosion-resistant brake pipe joint welding device which comprises a base, a three-jaw chuck and a rotating table are coaxially arranged on the base, the rotating table is rotationally arranged and provided with a welding assembly, a placing base is arranged on the base, clamping blocks are symmetrically and relatively arranged on the placing base in a sliding mode, and the clamping blocks are arranged on the base in a sliding mode. A placing groove is formed in the placing seat, a bearing seat is horizontally arranged on the placing seat in a sliding mode, a bearing groove which is aligned and communicated with the placing groove is formed in the bearing seat, and the bearing seat is driven to horizontally slide away from the clamping block so that the bearing groove can horizontally extend out of the outer side of the placing seat. According to the corrosion-resistant brake pipe joint welding device, the bearing seat can slide horizontally to bear the far end of the brake pipe, so that the bearing height of the bearing seat does not need to be adjusted additionally, actual use is facilitated, and the clamping and fixing efficiency of the brake pipe is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of joint welding devices, and more specifically to a corrosion-resistant brake pipe joint welding device. Background Technology

[0002] The corrosion-resistant brake tube and the connector body need to be welded to improve the sealing and connection rigidity between them.

[0003] According to announcement number CN202701700U, announcement date: January 30, 2013, a full-position welding device for a railway freight car brake pipe system connector is disclosed, including a support platform. The key technology is to fix a pneumatic three-jaw chuck and a rotary table driven by a DC motor on the support platform. The rotary table and the pneumatic three-jaw chuck are coaxial and the rotary table rotates relative to the pneumatic three-jaw chuck. A pneumatic V-type clamping component is installed on the support platform at the position corresponding to the pneumatic three-jaw chuck. An auxiliary bracket is installed at the position corresponding to the pneumatic V-type clamping component.

[0004] In the prior art, including the aforementioned patent, the joint body is clamped and fixed using a three-jaw chuck on a support platform, and one end of the brake pipe is clamped and fixed using a pneumatic V-shaped clamping component to axially align the brake pipe with the joint body. The other end of the brake pipe extends out of the support platform and is supported by an auxiliary bracket. In order to improve the coaxiality of the brake pipe and the joint body during the welding process, the two ends of the brake pipe need to be fixed at the same height. Therefore, in actual operation, it is necessary to repeatedly adjust the support height of the auxiliary bracket on the brake pipe, which is not convenient for the actual fixing of the brake pipe. Utility Model Content

[0005] The purpose of this invention is to provide a corrosion-resistant brake pipe joint welding device to solve the above-mentioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a corrosion-resistant brake pipe joint welding device, comprising a base on which a three-jaw chuck and a rotary table are coaxially arranged. The rotary table is rotatably arranged and a welding assembly is arranged on it. A placement seat is provided on the base. Clamping blocks are symmetrically and slidably arranged on the placement seat. A placement groove is provided on the placement seat. A support seat is horizontally and slidably arranged on the placement seat. A support groove is provided on the support seat and is aligned and connected to the placement groove. The support seat is driven to slide horizontally away from the clamping blocks so that the support groove extends horizontally outward from the placement seat.

[0007] Preferably, the device also includes an arc-shaped support plate, the inner side of which has different arc shapes to support brake pipes of different diameters. The support plate is symmetrically provided with fitting parts, a first fitting groove is symmetrically opened in the placement groove, and a second fitting groove is symmetrically opened in the support groove. The fitting parts abut against the first and second fitting grooves.

[0008] Preferably, the inner circumferential array of the support groove is provided with several guide grooves.

[0009] Preferably, the placement base is provided with a fixing post and an abutting part, and the base is provided with a fixing hole and an abutting groove. The fixing post is fitted into the fixing hole so that the abutting part abuts against the side wall of the abutting groove.

[0010] Preferably, an adjusting column is threadedly installed on the base, the outer diameter of the adjusting column increases from the first end to the second end, and a contact arc groove is opened on the first end of the placement seat. The adjusting column is driven to rotate axially and interact axially so that the outer ring of the adjusting column squeezes the contact arc groove.

[0011] Preferably, the placement base has a mounting groove parallel to the axis of the placement slot, and a spirit level is fixedly installed in the mounting groove.

[0012] Preferably, the placement seat has a sliding groove, and the clamping block has a sliding part, which is slidably disposed in the sliding groove so that the clamping block slides vertically relative to each other.

[0013] Preferably, the placement seat has a horizontal sliding groove parallel to the axis of the placement groove, the support seat has a horizontal sliding plate, the horizontal sliding plate is slidably disposed in the horizontal sliding groove, and the horizontal sliding plate has an extension portion extending outward from the outside of the placement seat.

[0014] Preferably, the base is provided with a mounting part, and the adjusting column is provided with a threaded column part and a handle part, wherein the threaded column part is threadedly installed on the mounting part so that the handle part extends out of the base.

[0015] Preferably, the tray is made of Teflon.

[0016] In the above technical solution, the corrosion-resistant brake pipe joint welding device provided by this utility model has the following beneficial effects: the support seat can slide horizontally to support the far end of the brake pipe, so that there is no need to adjust the support height of the support seat, which is convenient for actual use and improves the clamping and fixing efficiency of the brake pipe. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0019] Figure 2 This is a partial structural cross-sectional schematic diagram of the overall structure provided for an embodiment of the present utility model;

[0020] Figure 3 An overall exploded structural diagram provided for an embodiment of this utility model;

[0021] Figure 4 An exploded structural diagram of the placement seat, clamping block, support seat, tray and adjusting column provided in the embodiment of this utility model;

[0022] Figure 5 Provided for the embodiments of this utility model Figure 2 A magnified view of a portion of point A in the middle.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Base; 11. Fixing hole; 12. Abutment groove; 13. Mounting part; 21. Three-jaw chuck; 22. Rotary table; 221. Welding assembly; 3. Placement seat; 31. Placement groove; 311. First fitting groove; 32. Fixing column; 33. Abutment part; 34. Contact arc groove; 35. Horizontal slide groove; 36. Mounting groove; 37. Sliding groove; 41. Clamping block; 411. Clamping groove; 412. Sliding part; 42. Drive cylinder; 5. Support seat; 51. Support groove; 52. Second fitting groove; 53. Guide slide groove; 54. Horizontal sliding plate; 541. Protrusion part; 6. Support plate; 61. Fitting part; 7. Adjusting column; 71. Threaded column; 72. Handle part; 8. Level. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0026] like Figure 1-5 As shown, a corrosion-resistant brake pipe joint welding device includes a base 1 on which a three-jaw chuck 21 and a rotary table 22 are coaxially arranged. The rotary table 22 is rotatably arranged and a welding assembly 221 is arranged on it. A placement seat 3 is arranged on the base 1. Clamping blocks 41 are symmetrically and slidably arranged on the placement seat 3. A placement groove 31 is opened on the placement seat 3. A support seat 5 is horizontally slidably arranged on the placement seat 3. A support groove 51 is opened on the support seat 5 and is aligned and connected with the placement groove 31. The support seat 5 is driven to slide horizontally away from the clamping block 41 so that the support groove 51 extends horizontally out of the outer side of the placement seat 3.

[0027] Specifically, such as Figure 1 As shown, clamping blocks 41 are symmetrically slidably arranged on the placement seat 3, and clamping slots 411 are provided on the clamping blocks 41. The placement seat 3 is also provided with a drive cylinder 42 for the clamping blocks 41 to slide and move closer to each other synchronously. First, the connector body is fixed on the three-jaw chuck 21. Then, when the clamping blocks 41 move closer to each other, the clamping slots 411 clamp and fix the brake pipe body. The brake pipe body is also supported by the placement slot 31 and the support slot 51. The support seat 5 can be driven to slide horizontally away from the clamping blocks 41, so that the support slot 51 can support the lower end of the brake pipe that extends out of the placement seat 3. At this time, the brake pipe and the connector body are axially aligned. Then, the welding assembly 221 can be welded by rotating the rotary table 22. The support seat 5 can slide horizontally to support the far end of the brake pipe, so that the support height of the support seat 5 does not need to be adjusted separately, which is convenient for actual use and improves the clamping and fixing efficiency of the brake pipe.

[0028] In the above technical solution, the support 5 can slide horizontally to support the far end of the brake tube, so there is no need to adjust the support height of the support 5, which is convenient for practical use and improves the clamping and fixing efficiency of the brake tube.

[0029] As a further embodiment of this utility model, it also includes an arc-shaped support plate 6. The inner side of the support plate 6 has different arc shapes to support brake pipes of different diameters. The support plate 6 is symmetrically provided with fitting parts 61. The placement groove 31 is symmetrically provided with a first fitting groove 311 and the support groove 51 is symmetrically provided with a second fitting groove 52. The fitting parts 61 abut against the first fitting groove 311 and the second fitting groove 52.

[0030] Specifically, such as Figure 4 As shown, the support plate 6 is provided with a fitting part 61, and a first fitting groove 311 and a second fitting groove 52 are respectively opened on the placement groove 31 and the support groove 51. The support plate 6 can be installed into the placement groove 31 and the support groove 51 by the fitting part 61 abutting against the first fitting groove 311 and the second fitting groove 52. The inner ring surface of the support plate 6 is arc-shaped, and the support plate 6 with different support heights can be replaced according to the diameter of the brake pipe to be fixed, thereby realizing the support stability for clamping and fixing different brake pipes and connectors, which is conducive to improving the coaxial accuracy between the brake pipe and the connector, and facilitating actual welding operations.

[0031] As a further embodiment provided in this utility model, the inner circumferential array of the support groove 51 is provided with a plurality of guide grooves 53.

[0032] Specifically, such as Figure 4As shown, the support 5 is provided with several guide grooves 53, and the guide grooves 53 are parallel to the axial direction of the support groove 51, thereby reducing the friction between the support 5 and the pallet 6 and avoiding the problem of the support 5 sliding horizontally and pushing the pallet 6 to slide off the placement seat 3.

[0033] As a further embodiment of this utility model, the placement base 3 is provided with a fixing post 32 and an abutting part 33, and the base 1 is provided with a fixing hole 11 and an abutting groove 12. The fixing post 32 is fitted into the fixing hole 11 so that the abutting part 33 abuts against the side wall of the abutting groove 12.

[0034] Specifically, such as Figure 3 As shown, the fixing post 32 of the placement seat 3 is fitted into the fixing hole 11 so that the contact part 33 abuts against the side wall of the contact groove 12. The contact part 33 abuts against the side wall of the contact groove 12 to improve the coaxiality of the placement groove 31 of the placement seat 3 and the three-jaw chuck 21, thereby improving the coaxiality of the connection between the brake pipe on the placement seat 3 and the connector body on the three-jaw chuck 21.

[0035] As a further embodiment of this utility model, an adjusting column 7 is threadedly installed on the base 1. The outer diameter of the adjusting column 7 increases from the first end to the second end. A contact arc groove 34 is provided on the first end of the placement seat 3. The adjusting column 7 is driven to rotate axially and interact axially so that the outer ring of the adjusting column 7 squeezes the contact arc groove 34.

[0036] Specifically, such as Figure 3 As shown, the end of the adjusting column 7 closest to the placement base 3 is the first end, and the end of the adjusting column 7 furthest from the placement base 3 is the second end. Figure 1 As shown, the end of the placement seat 3 facing away from the contact part 33 is the first end, thereby aligning the contact arc groove 34 with the adjusting column 7. When maintaining the welding device, if an error is found in the coaxiality between the placement groove 31 of the placement seat 3 and the three-jaw chuck 21, the adjusting column 7 can be rotated to gradually press or move away from the contact arc groove 34, thereby causing the first end of the placement seat 3 to be pressed and vertically raised or lowered, thus adjusting the coaxiality between the placement groove 31 of the placement seat 3 and the three-jaw chuck 21, which is convenient for actual maintenance and use.

[0037] As a further embodiment of this utility model, the placement base 3 is provided with a mounting groove 36 parallel to the axis of the placement groove 31, and a level 8 is fixedly installed in the mounting groove 36.

[0038] Specifically, such as Figure 4 As shown, the level 8 is set in the mounting slot 36 of the placement seat 3. When the placement seat 3 needs maintenance, the level of the placement seat 3 can be adjusted by rotating the adjusting column 7 and passing through the level 8, thereby correcting the coaxiality of the placement slot 31 of the placement seat 3 and the three-jaw chuck 21, which is convenient for actual maintenance and use.

[0039] As a further embodiment of this utility model, the placement base 3 is provided with a sliding groove 37, and the clamping block 41 is provided with a sliding part 412. The sliding part 412 is slidably disposed in the sliding groove 37 so that the clamping block 41 slides vertically relative to each other.

[0040] Specifically, such as Figure 4 As shown, the sliding part 412 of the clamping block 41 is slidably disposed in the sliding groove 37 to improve the vertical relative sliding stability of the clamping block 41, thereby improving the clamping stability of the clamping block 41 on the brake tube.

[0041] As a further embodiment of this utility model, the placement seat 3 is provided with a horizontal sliding groove 35 parallel to the axis of the placement groove 31, and the support seat 5 is provided with a horizontal sliding plate 54. The horizontal sliding plate 54 is slidably disposed in the horizontal sliding groove 35, and the horizontal sliding plate 54 is provided with an extension portion 541 extending outward from the outside of the placement seat 3.

[0042] Specifically, such as Figure 4 As shown, the horizontal sliding plate 54 of the support 5 is slidably disposed in the horizontal sliding groove 35, thereby improving the horizontal sliding stability of the support 5. The protrusion 541 extends out of the outer side of the placement seat 3, so that the operator can control the horizontal sliding extension distance of the support 5 through the protrusion 541, which is convenient for actual clamping and support use.

[0043] As a further embodiment of this utility model, a mounting part 13 is provided on the base 1, and a threaded post 71 and a handle part 72 are provided on the adjusting post 7. The threaded post 71 is threadedly installed on the mounting part 13 so that the handle part 72 extends out of the base 1.

[0044] Specifically, the threaded column portion 71 of the adjusting column 7 is threadedly mounted on the mounting portion 13 of the base 1. The adjusting column 7 can be driven to rotate on the base 1 by the handle portion 72, thereby causing the adjusting column 7 to press against or move away from the first end of the placement seat 3.

[0045] As a further embodiment provided in this utility model, the tray 6 is made of Teflon.

[0046] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An apparatus for welding corrosion-resistant brake pipe fittings, comprising: The utility model provides a welding device, including base (1), coaxial three jaw chuck (21) and rotating table (22) are arranged on it, rotating table (22) is arranged and is provided with welding assembly (221) on it, the base (1) is provided with the seat (3) of placing, the symmetrically opposite sliding of clamping block (41) is provided with on seat (3) of placing, the seat (3) of placing is opened with the placing groove (31), the horizontal sliding of supporting seat (5) is provided with on seat (3) of placing, the supporting groove (51) of supporting seat (5) is opened with the placing groove (31) alignment intercommunication, supporting seat (5) is driven and horizontally slides away from clamping block (41) to make supporting groove (51) horizontal extension outside seat (3).

2. A corrosion resistant brake pipe joint welding apparatus as defined in claim 1, wherein, It also includes an arc-shaped supporting plate (6), the inner side of the supporting plate (6) is arc-shaped to support brake pipes of different diameters, the supporting plate (6) is symmetrically provided with an embedded part (61), the placing groove (31) is symmetrically provided with a first embedded groove (311), and the supporting groove (51) is symmetrically provided with a second embedded groove (52), and the embedded part (61) is in contact with the first embedded groove (311) and the second embedded groove (52).

3. A corrosion resistant brake pipe joint welding apparatus as defined in claim 2, wherein, A plurality of guide sliding grooves (53) are circumferentially arranged in the supporting groove (51).

4. The corrosion resistant brake pipe joint welding apparatus of claim 1, wherein, The placing seat (3) is provided with a fixed column part (32) and a contact part (33), the base (1) is provided with a fixed hole (11) and a contact groove (12), the fixed column part (32) is embedded in the fixed hole (11) so that the contact part (33) is in contact with the side wall of the contact groove (12).

5. A corrosion resistant brake pipe joint welding device as defined in claim 4, wherein, The base (1) is provided with an adjusting column (7) which is screwed, the outer diameter of the adjusting column (7) increases from the first end to the second end, the first end of the placing seat (3) is provided with a contact arc groove (34), and the adjusting column (7) is axially rotated and interacted so that the outer ring of the adjusting column (7) is pressed against the contact arc groove (34).

6. A corrosion resistant brake pipe joint welding apparatus as defined in claim 5, wherein, The placing seat (3) is provided with a mounting groove (36) which is parallel to the axis of the placing groove (31), and a horizontal ruler (8) is fixedly arranged in the mounting groove (36).

7. A corrosion resistant brake pipe joint welding apparatus as defined in claim 1, wherein, The placing seat (3) is provided with a sliding groove (37), and the clamping block (41) is provided with a sliding part (412) which is slidingly arranged in the sliding groove (37) so that the clamping block (41) vertically slides.

8. A corrosion resistant brake pipe joint welding apparatus as defined in claim 1, wherein, The placing seat (3) is provided with a horizontal sliding groove (35) which is parallel to the axis of the placing groove (31), and the supporting seat (5) is provided with a horizontal sliding plate (54) which is slidingly arranged in the horizontal sliding groove (35), and the horizontal sliding plate (54) is provided with an extension part (541) which extends outside the placing seat (3).

9. A corrosion resistant brake pipe joint welding apparatus as defined in claim 5, wherein, The base (1) is provided with a mounting part (13), the adjusting column (7) is provided with a threaded column part (71) and a handle part (72), the threaded column part (71) is screwed on the mounting part (13) so that the handle part (72) extends outside the base (1).

10. The corrosion resistant brake pipe joint welding apparatus of claim 2, wherein, The supporting plate (6) is made of Teflon.

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