CN214291675U

CN214291675U - Aluminum alloy sleeper beam welding anti-deformation device

Info

Publication number: CN214291675U
Application number: CN202120139998.9U
Authority: CN
Inventors: 王小宁; 米伟
Original assignee: Ningxia Wear Casting Co ltd
Current assignee: Ningxia Wear Casting Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-09-28
Anticipated expiration: 2031-01-19

Abstract

An aluminum alloy sleeper beam welding anti-deformation device comprises a workbench, a supporting seat, pressing mechanisms and three pressing mechanisms, wherein the three pressing mechanisms are all fixedly arranged on the workbench, at least two pressing parts are arranged on each pressing mechanism, the three pressing mechanisms are three groups, the three groups of pressing mechanisms are fixedly arranged on the workbench, the three groups of pressing mechanisms are respectively positioned below the three pressing mechanisms, and each pressing mechanism comprises at least two pressing parts. The control precision is high, the correction procedure of the sleeper beam caused by welding deformation is omitted, and the production cost is reduced.

Description

Aluminum alloy sleeper beam welding anti-deformation device

Technical Field

The utility model relates to an aluminum alloy welding technical field, in particular to aluminum alloy sleeper beam welding anti-deformation device.

Background

The aluminum alloy sleeper beam in the high-speed railway carriage bogie has the contour dimension of 3168mm multiplied by 1315mm multiplied by 235mm, the inner cavity is of a closed structure, but the inner cavity is formed by a sand core during casting, the sand core is required to be provided with a supporting and sand cleaning outlet, and therefore a sand cleaning opening on a casting needs to be welded by an aluminum block after the casting is formed. The aluminum alloy sleeper beam is a long plate type part, and the thermal stress generated by welding causes the sleeper beam to generate flexural deformation, thereby causing dimensional over-tolerance. Therefore, a correction procedure needs to be added, the sleeper beam is firstly subjected to heating treatment, and under the condition of lower mechanical property, the sleeper beam is scribed and then transferred to a correction tool for correction. Due to uncertainty of deformation, operation difficulty is high, correction time is long, oxygen acetylene is sometimes used for heating the deformed part of the sleeper beam, and correction cost is high.

Disclosure of Invention

In view of the above, it is necessary to provide an aluminum alloy sleeper beam welding deformation prevention device capable of preventing deformation during welding of the aluminum alloy sleeper beam.

An aluminum alloy sleeper beam welding anti-deformation device comprises a workbench, two supporting seats, pressing mechanisms and a jacking mechanism, wherein the workbench is a horizontally arranged rectangular plate, the two supporting seats are fixedly arranged on the workbench, the two supporting seats are arranged along the central line of the left and right directions of the workbench, the two supporting seats are also symmetrically arranged along the central line of the front and back directions of the workbench, the three pressing mechanisms are all fixedly arranged on the workbench, one pressing mechanism is positioned at the central position between the two supporting seats, one pressing mechanism is positioned at the left side of the left supporting seat, the second pressing mechanism is positioned at the right side of the right supporting seat, at least two pressing parts are arranged on each pressing mechanism, the jacking mechanisms are three groups, the jacking mechanisms are fixedly arranged on the workbench, and the three groups of jacking mechanisms are respectively positioned below the three pressing mechanisms, a set of tight mechanism in top is located between two supporting seats, and a set of tight mechanism in top is located the left side of left side supporting seat, and a set of tight mechanism in top is located the right side of right side supporting seat, and every tight mechanism in top includes two at least tight parts in top.

Preferably, each supporting seat comprises four supporting legs and a supporting plate, the four supporting legs are arranged in a rectangular shape, the supporting plate is horizontally placed on the supporting legs, and the upper surface of the supporting plate is a horizontal plane.

Preferably, each pressing mechanism further comprises a support, three pressing parts are mounted on the support of the middle pressing mechanism, one pressing part of the middle pressing mechanism is positioned at the center of the support of the middle pressing mechanism, the other two pressing parts of the middle pressing mechanism are symmetrically arranged along the central line of the left and right directions of the workbench, a rectangular sliding block is mounted at the bottom of the support, a sliding rail is further mounted on the workbench and extends along the length direction of the workbench, a sliding groove is formed in the inner side of the sliding rail and extends along the length direction of the sliding rail, the shape of the sliding groove is matched with that of the sliding block, a linear lead screw motor is fixedly mounted on one side of the sliding rail, a guide hole is formed in the sliding block, a lead screw of the linear lead screw motor penetrates through the guide hole of the sliding block, and the lead screw of the linear lead screw motor is in threaded fit with the guide hole of the sliding block, the screw rod of the linear screw rod motor rotates to drive the sliding block to move linearly along the sliding groove of the sliding rail.

Preferably, the two pressing parts are arranged on the supports of the pressing mechanisms on the two sides, and the two pressing parts on the pressing mechanisms on the two sides are symmetrically arranged on the central line of the left and right directions of the workbench.

Preferably, the compressing components comprise a pressing block, a pressing rod and a nut, guide holes are formed in the support, the pressing rod of each compressing component is correspondingly matched with one guide hole in a threaded mode, the pressing rod is driven to linearly move up and down relative to the support through rotating the pressing rod, the lower end of the pressing rod is rotatably connected with the upper surface of the pressing block, the nut is arranged at the upper end of the pressing rod in a rotating mode, the lower surface of the pressing block is a horizontal plane, and the pressing block is a rectangular plate.

Preferably, the middle tightening mechanism comprises four tightening parts, the four tightening parts of the middle tightening mechanism are symmetrically arranged with the center line of the left and right directions of the workbench, and the four tightening parts of the middle tightening mechanism are also symmetrically arranged with the center line of the front and back directions of the workbench.

Preferably, the tightening mechanisms on the two sides respectively comprise five tightening parts, the five tightening parts of the tightening mechanisms on the two sides are equally divided into two rows, one row is two, the tightening mechanisms are arranged close to the supporting seats on the corresponding positions, and the two tightening parts in one row are symmetrically arranged with the center line of the left and right directions of the workbench.

Preferably, the number of the other rows of the jacking components of the jacking mechanisms on the two sides is three, one of the three jacking components in the row is positioned on the central line of the left and right directions of the workbench, and the other two jacking components in the row are symmetrically arranged on the central line of the left and right directions of the workbench.

Preferably, a row of two tightening parts and a row of three tightening parts in the tightening mechanisms on the two sides are arranged in a staggered mode in the front-back direction of the workbench.

Preferably, the jacking component comprises a guide rod, an ejector rod and a top plate, the guide rod is fixedly installed on the workbench, a guide groove is formed in the guide rod, the ejector rod is in threaded fit with the guide groove to drive the ejector rod to linearly move up and down relative to the guide rod through rotating the ejector rod, the upper end of the ejector rod is rotatably connected with the lower surface of the top plate, the upper surface of the top plate is a horizontal plane, and the top plate is a circular plate.

The utility model discloses in, after fixing the sleeper beam through the supporting seat, utilize six of three hold-down mechanism to compress tightly the effort that the decurrent anti-deformation that the part provided to and six top tight parts of the tight mechanism in top form the effort of ascending anti-deformation, form all-round top tightly, compress tightly the effect, local slight deformation also can avoid, effectively prevent the deformation of aluminum alloy sleeper beam when the welding, control accuracy is high, has saved the sleeper beam because the correction process that welding deformation produced, has reduced manufacturing cost.

Drawings

Fig. 1 is an axonometric view of an aluminum alloy sleeper beam welding deformation preventing device for clamping a sleeper beam.

Fig. 2 is an axonometric view of the aluminum alloy sleeper beam welding deformation preventing device.

Fig. 3 is a partially enlarged view of the aluminum alloy sleeper beam welding deformation preventing device.

In the figure: the device comprises a workbench 10, a slide rail 11, a slide groove 111, a linear screw motor 12, a support seat 20, a support leg 21, a support plate 22, a pressing mechanism 30, a pressing part 31, a pressing block 311, a pressing rod 312, a nut 313, a support 32, a slide block 33, a jacking mechanism 40, a jacking part 41, a guide rod 411, a top rod 412, a top plate 413 and a sleeper beam 50.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 to 3, an embodiment of the present invention provides an aluminum alloy sleeper beam welding deformation prevention device, which includes a workbench 10, two supporting seats 20, two pressing mechanisms 30 and a jacking mechanism 40, wherein the workbench 10 is a horizontally arranged rectangular plate, the two supporting seats 20 are fixedly mounted on the workbench 10, the two supporting seats 20 are arranged along a central line of the left and right directions of the workbench 10, the two supporting seats 20 are further symmetrically arranged along the central line of the front and back directions of the workbench 10, the three pressing mechanisms 30 are provided, all three pressing mechanisms 30 are fixedly mounted on the workbench 10, one pressing mechanism 30 is located at a central position between the two supporting seats 20, one pressing mechanism 30 is located at the left side of the left supporting seat 20, one second pressing mechanism 30 is located at the right side of the right supporting seat 20, each pressing mechanism 30 is at least provided with two pressing parts 31, the tight mechanism 40 in top is three groups, and the tight mechanism 40 fixed mounting in top is on workstation 10, and the tight mechanism 40 in three group tops is located the below of three hold-down mechanism 30 respectively, and a set of tight mechanism 40 in top is located between two supporting seats 20, and a set of tight mechanism 40 in top is located the left side of left side supporting seat 20, and a set of tight mechanism 40 in top is located the right side of right side supporting seat 20, and every tight mechanism 40 in top includes two at least tight parts 41 in top.

The utility model discloses in, through supporting seat 20 with the fixed back of sleeper beam 50, utilize six of three hold-down mechanism 30 to compress tightly the effort of the decurrent anti-deformation that part 31 provided to and six top tight parts 41 of the tight mechanism 40 in top form the effort of ascending anti-deformation, form all-round top tightly, compress tightly the effect, local slight deformation also can avoid, effectively prevent the deformation of aluminum alloy sleeper beam 50 when the welding, control accuracy is high, saved sleeper beam 50 because the correction process that welding deformation produced, manufacturing cost is reduced.

Referring to fig. 1 to 3, further, each support seat 20 includes four support legs 21 and four support plates 22, the four support legs 21 are arranged in a rectangular shape, the support plates 22 are horizontally placed on the support legs 21, and the upper surfaces of the support plates 22 are horizontal surfaces.

Referring to fig. 1 to 3, further, each pressing mechanism 30 further includes a bracket 32, three pressing members 31 are mounted on the bracket 32 of the middle pressing mechanism 30, one pressing member 31 of the middle pressing mechanism 30 is located at the center of the bracket 32 of the middle pressing mechanism 30, the other two pressing members 31 of the middle pressing mechanism 30 are symmetrically arranged with respect to the center line of the left and right direction of the worktable 10, a rectangular slider 33 is mounted at the bottom of the bracket 32, a slide rail 11 is further mounted on the worktable 10, the slide rail 11 extends along the length direction of the worktable 10, a slide groove 111 is disposed inside the slide rail 11, the slide groove 111 extends along the length direction of the slide rail 11, the shape of the slide groove 111 matches the shape of the slider 33, a linear screw rod motor 12 is fixedly mounted at one side of the slide rail 11, a guide hole is formed in the slider 33, a screw rod of the linear motor 12 passes through the guide hole of the slider 33, the screw of the linear screw motor 12 is in threaded fit with the guide hole of the slider 33, so that the slider 33 is driven to move linearly along the sliding groove 111 of the sliding rail 11 by the rotation of the screw of the linear screw motor 12.

A welding apparatus for a bolster of application No. 201821608491.8, wherein a pressing arm for pressing the bolster 50 is provided to be rotatable in a horizontal direction, facilitating lifting of the bolster 50. The disadvantage is that the middle part of the sleeper beam 50 can not be provided with a pressure arm, so the precision of controlling deformation is not high.

In this embodiment, a sliding block 33 is installed below a support 32 of each pressing mechanism 30, a sliding rail 11 is correspondingly installed on the workbench 10, the sliding block 33 is driven by a linear screw motor 12 to move linearly along the sliding rail 11, before welding, the sleeper beam 50 is fixed on the support 20, each pressing mechanism 30 is moved to a corresponding position above the sleeper beam 50 to be pressed, after welding, each pressing mechanism 30 is moved away from the position above the sleeper beam 50, so that the lifting is convenient, the problem that the sleeper beam 50 can be lifted only after each pressing mechanism 30 is detached from the workbench 10 is solved, compared with the existing sleeper beam 50 welding device, the pressing part 31 is not prevented from being arranged in the middle of the device, and the deformation control precision is high.

Referring to fig. 1 to 3, two pressing members 31 are mounted on the brackets 32 of the pressing mechanisms 30 on both sides, and the two pressing members 31 of the pressing mechanisms 30 on both sides are symmetrically arranged with respect to the center line of the workbench 10 in the left-right direction.

Referring to fig. 1 to 3, further, the pressing component 31 includes a pressing block 311, pressing rods 312 and nuts 313, guide holes are formed in the support 32, the pressing rod 312 of each pressing component 31 is correspondingly in threaded fit with one guide hole, so that the pressing rod 312 is driven to move linearly up and down relative to the support 32 by rotating the pressing rod 312, the lower end of the pressing rod 312 is rotatably connected with the upper surface of the pressing block 311, the nut 313 is screwed on the upper end of the pressing rod 312, the lower surface of the pressing block 311 is a horizontal plane, and the pressing block 311 is a rectangular plate.

Referring to fig. 1 to 3, further, the middle tightening mechanism 40 includes four tightening members 41, the four tightening members 41 of the middle tightening mechanism 40 are symmetrically disposed about a center line of the left-right direction of the table 10, and the four tightening members 41 of the middle tightening mechanism 40 are also symmetrically disposed about a center line of the front-rear direction of the table 10.

Referring to fig. 1 to 3, further, each of the tightening mechanisms 40 on both sides includes five tightening members 41, the five tightening members 41 of the tightening mechanisms 40 on both sides are equally divided into two rows, one of the two rows is two, and are disposed near the support base 20 at the corresponding position, and the two tightening members 41 in one row are symmetrically disposed about a center line of the workbench 10 in the left-right direction.

Referring to fig. 1 to 3, there are three other rows of tightening members 41 of the tightening mechanisms 40 on both sides, one of the three tightening members 41 in each row is located on a center line of the table 10 in the left-right direction, and the other two of the three tightening members 41 in each row are symmetrically arranged with respect to the center line of the table 10 in the left-right direction.

Referring to fig. 1 to 3, further, a row of two tightening members 41 and a row of three tightening members 41 in the tightening mechanisms 40 on both sides are arranged alternately in the front-rear direction of the table 10.

Referring to fig. 1 to 3, further, the tightening member 41 includes a guide rod 411, a top plate 412, and a top plate 413, the guide rod 411 is fixedly installed on the working table 10, a guide groove is formed in the guide rod 411, the top plate 412 is in threaded fit with the guide groove, so that the top plate 412 is driven to move linearly up and down relative to the guide rod 411 by rotating the top plate 412, the upper end of the top plate 412 is rotatably connected to the lower surface of the top plate 413, the upper surface of the top plate 413 is a horizontal surface, and the top plate 413 is a circular plate.

The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an aluminum alloy sleeper beam welding anti-deformation device which characterized in that: the device comprises a workbench, two supporting seats, three pressing mechanisms and a jacking mechanism, wherein the workbench is a horizontally arranged rectangular plate, the two supporting seats are fixedly arranged on the workbench, the two supporting seats are arranged along the central line of the left and right directions of the workbench, the two supporting seats are also symmetrically arranged along the central line of the front and back directions of the workbench, the three pressing mechanisms are all fixedly arranged on the workbench, one pressing mechanism is positioned at the central position between the two supporting seats, one pressing mechanism is positioned at the left side of the supporting seat at the left side, the second pressing mechanism is positioned at the right side of the supporting seat at the right side, at least two pressing parts are arranged on each pressing mechanism, the jacking mechanisms are in three groups, the jacking mechanisms are fixedly arranged on the workbench, the three groups of jacking mechanisms are respectively positioned below the three pressing mechanisms, and one group of jacking mechanisms is positioned between the two supporting seats, a set of tight mechanism in top is located the left side of left side supporting seat, and a set of tight mechanism in top is located the right side of right side supporting seat, and every tight mechanism in top includes two at least tight parts in top.

2. The aluminum alloy sleeper beam welding deformation preventing device of claim 1, characterized in that: each supporting seat comprises four supporting legs and a supporting plate, the four supporting legs are arranged in a rectangular mode, the supporting plate is horizontally placed on the supporting legs, and the upper surface of the supporting plate is a horizontal plane.

3. The aluminum alloy sleeper beam welding deformation preventing device of claim 1, characterized in that: each pressing mechanism also comprises a bracket, three pressing parts are arranged on the bracket of the middle pressing mechanism, one pressing part of the middle pressing mechanism is positioned in the center of the bracket of the middle pressing mechanism, the other two pressing parts of the middle pressing mechanism are symmetrically arranged along the central line of the left and right directions of the workbench, a rectangular sliding block is arranged at the bottom of the bracket, a slide rail is also arranged on the workbench, the slide rail extends along the length direction of the workbench, a slide groove is arranged at the inner side of the slide rail, the sliding groove extends along the length direction of the sliding rail, the shape of the sliding groove is matched with that of the sliding block, a linear screw motor is fixedly arranged on one side of the slide rail, a guide hole is arranged on the slide block, a screw rod of the linear screw motor passes through the guide hole of the slide block, the screw rod of the linear screw motor is in threaded fit with the guide hole of the slide block, the screw rod of the linear screw rod motor rotates to drive the sliding block to move linearly along the sliding groove of the sliding rail.

4. The aluminum alloy sleeper beam welding deformation preventing device of claim 3, characterized in that: two pressing parts are mounted on the supports of the pressing mechanisms on the two sides, and the two pressing parts on the pressing mechanisms on the two sides are symmetrically arranged along the central line of the left and right directions of the workbench.

5. The aluminum alloy sleeper beam welding deformation preventing device of claim 1, characterized in that: the pressing part comprises a pressing block, a pressing rod and a nut, guide holes are formed in the support, the pressing rod of each pressing part corresponds to one guide hole in threaded fit, the pressing rod is driven to linearly move up and down relative to the support through the rotary pressing rod, the lower end of the pressing rod is rotatably connected with the upper surface of the pressing block, the nut is arranged at the upper end of the pressing rod in a rotating mode, the lower surface of the pressing block is a horizontal plane, and the pressing block is a rectangular plate.

6. The aluminum alloy sleeper beam welding deformation preventing device of claim 1, characterized in that: the middle tightening mechanism comprises four tightening components, the four tightening components of the middle tightening mechanism are symmetrically arranged with the center line of the left and right directions of the workbench, and the four tightening components of the middle tightening mechanism are also symmetrically arranged with the center line of the front and back directions of the workbench.

7. The aluminum alloy sleeper beam welding deformation preventing device of claim 1, characterized in that: the tight mechanism in top of both sides all includes five tight parts in top, and the tight mechanism in top of both sides's five tight parts in top equally divide into two rows, and one of them row is two to be close to the supporting seat setting of relevant position, the tight part in top of one row two uses the central line symmetry setting of workstation left and right sides direction.

8. The aluminum alloy sleeper beam welding deformation preventing device of claim 7, characterized in that: the other row of the jacking components of the jacking mechanisms on the two sides is three, one of the three jacking components in the row is positioned on the central line of the left and right directions of the workbench, and the other two jacking components in the row are symmetrically arranged on the central line of the left and right directions of the workbench.

9. The aluminum alloy sleeper beam welding deformation preventing device of claim 8, characterized in that: two tight parts in a row and three tight parts in top in the tight mechanism in top of both sides are arranged with each other in the front and back direction of workstation in an alternating manner.

10. The aluminum alloy sleeper beam welding deformation preventing device of claim 1, characterized in that: the jacking component comprises a guide rod, an ejector rod and a top plate, the guide rod is fixedly installed on the workbench, a guide groove is formed in the guide rod, the ejector rod is in threaded fit with the guide groove to drive the ejector rod to linearly move up and down relative to the guide rod through rotating the ejector rod, the upper end of the ejector rod is rotatably connected with the lower surface of the top plate, the upper surface of the top plate is a horizontal plane, and the top plate is a circular plate.