A movable flip-shift mechanism

Abstract

The present invention relates to the technical field of welding equipment. The present invention proposes a movable flipping and positioning mechanism, including a base and a mobile frame, the mobile frame is arranged on the upper end surface of the base, and also includes a flipping table, the flipping table is arranged on the upper end surface of the mobile frame through a flipping mechanism and a pull rod mechanism; one end of the flipping mechanism is hinged to the mobile frame, and the other end is hinged to the middle of the flipping table, the pull rod mechanism includes a cross bar, the cross bar can be moved to a left extreme position and a right extreme position, when the cross bar is in the left extreme position, the flipping mechanism can drive the flipping table to flip to the left, when the cross bar is in the right extreme position, the flipping mechanism can drive the flipping table to flip to the right. The workpiece is clamped and positioned by a centering mechanism, and the workpiece is flipped by the flipping mechanism connected thereto. One clamping can convert double-sided vertical welding of multiple parts into flat welding for operation, thereby reducing the difficulty of welding operation; the translation mechanism reduces the flipping area and adjusts the center of gravity position.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, and in particular to a movable flipping and shifting mechanism. Background Art

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that uses heating, high temperature or high pressure to join metals or other thermoplastic materials such as plastics. Welding usually achieves the purpose of joining through the following three ways: First, fusion welding, that is, heating the workpieces to be joined to partially melt them to form a molten pool, and then joining after the molten pool cools and solidifies. If necessary, molten fillers can be added to assist; second, pressure welding, that is, the welding process must apply pressure to the weldment, which belongs to the processing of various metal materials and partial metal materials; third, brazing, that is, using a metal material with a lower melting point than the parent material as a brazing material, using liquid brazing material to wet the parent material, fill the joint gap, and diffuse with the parent material to achieve the connection of the weldment. There are many sources of energy for modern welding, including gas flame, arc, laser, electron beam, friction and ultrasonic.

[0003] In order to improve product quality, increase productivity and reduce the labor intensity of welders, welding robots and their supporting welding displacement mechanisms are increasingly used in manufacturing industries such as engineering machinery, railways, bridges, and metal structures.

[0004] At present, hydraulic support welding requires manual adjustment of welding angles many times to reduce the slope of the climbing weld and make the weld easier to shape and more beautiful. However, most hydraulic supports are bulky, and manual flipping makes the workers' labor intensity very high. Some workpieces also need to be preheated before welding, so the overall production efficiency is low, the workers' working environment is very bad, and there are safety hazards. Summary of the invention

[0005] Aiming at the problems that the welding of hydraulic supports currently requires multiple manual adjustments of welding angles, resulting in high labor intensity for workers, low production efficiency, potential safety hazards, etc., the present invention proposes a movable flipping and positioning mechanism.

[0006] The present invention proposes a movable flipping and positioning mechanism, comprising a base and a moving frame, wherein the moving frame is arranged on the upper end surface of the base, and also comprising a flipping table, which is arranged on the upper end surface of the moving frame through a flipping mechanism and a pull rod mechanism; one end of the flipping mechanism is hinged to the moving frame, and the other end is hinged to the middle part of the flipping table, and the pull rod mechanism comprises a cross bar, and the cross bar can be moved to a left extreme position and a right extreme position. When the cross bar is in the left extreme position, the flipping mechanism can drive the flipping table to flip to the left side, and when the cross bar is in the right extreme position, the flipping mechanism can drive the flipping table to flip to the right side.

[0007] Preferably, vertical U-shaped grooves are provided on the left and right sides of the moving frame, and rotating shafts are symmetrically provided on the left and right sides of the turning platform. When the turning platform is horizontally arranged on the moving frame, the rotating shafts on the left and right sides of the turning platform are respectively located in the U-shaped grooves on the left and right sides of the moving frame; when the cross bar is in the left extreme position, the left end of the cross bar passes through the middle of the U-shaped groove on the left side of the moving frame and limits the rotating shaft on the left side of the turning platform to the bottom of the U-shaped groove, and the right end of the cross bar is located outside the U-shaped groove on the right side of the moving frame; when the cross bar is in the right extreme position, the right end of the cross bar passes through the middle of the U-shaped groove on the right side of the moving frame and limits the rotating shaft on the right side of the turning platform to the bottom of the U-shaped groove, and the left end of the cross bar is located outside the U-shaped groove on the left side of the moving frame.

[0008] Preferably, the movable frame comprises two movable plates arranged opposite to each other, bosses are arranged on the left and right sides of the movable plates, and U-shaped grooves are arranged on the opposite sides of the bosses.

[0009] Preferably, a support plate is fixed to the side opposite to the boss, and the support plate is provided with a vertical U-shaped groove and a horizontal cross bar groove, and the cross bar groove is connected to the U-shaped groove and crosses the middle of the U-shaped groove.

[0010] Preferably, a cross bar is provided at the upper end of the two movable plates, and the two cross bars are arranged in parallel; a connecting rod assembly and a first driving member are also provided between the two movable plates, the connecting rod assembly connects the two cross bars, and the first driving member can drive the two cross bars to move left and right synchronously through the connecting rod assembly.

[0011] Preferably, the connecting rod mechanism includes two U-shaped plates and two T-shaped plates, the two U-shaped plates are connected between the two cross bars, and the two T-shaped plates are respectively connected between the two U-shaped plates and the two cross bars.

[0012] Preferably, it also includes a centering mechanism, which is arranged on the upper end surface of the turning table; the centering mechanism includes two clamps, a left-hand screw, a right-hand screw, a coupling and a second driving member, the two clamps are relatively slidably arranged on the turning table, and the two clamps are respectively spirally connected to the left-hand screw and the right-hand screw, one end of the left-hand screw is connected to the right-hand screw through a coupling, and the other end is provided with a second driving member, the second driving member can simultaneously drive the left-hand screw and the right-hand screw to rotate to drive the two clamps to move closer to and away from each other.

[0013] Preferably, the centering mechanism further comprises a slide rail, which is fixed to the upper end surface of the turning table, and the two clamps are slidably arranged on the turning table via the slide rail.

[0014] Preferably, the centering mechanism also includes a bearing seat, which is fixed to the upper end surface of the turning table, and both ends of the left-hand screw and the right-hand screw are rotatably disposed on the bearing seat.

[0015] Preferably, it further comprises a translation mechanism, the movable frame is slidably arranged on the upper end surface of the base, and the translation mechanism can drive the movable frame to slide left and right on the upper end surface of the base.

[0016] The beneficial effects of the present invention are:

[0017] The present invention clamps and positions the workpiece through a centering mechanism, and drives the workpiece to flip through a flipping mechanism connected thereto. Double-sided vertical welding at multiple locations can be converted into flat welding in one clamping operation, thereby reducing the difficulty of welding operations and making the welding process of the workpiece more automated. The translation mechanism reduces the flipping area, adjusts the center of gravity position, and improves space utilization and equipment safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the accompanying drawings required for use in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the movable flipping and shifting mechanism described in the present invention.

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the movable flip-shifting mechanism of the present invention, in which the cross bar is at the left extreme position.

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the movable frame in the movable flipping and shifting mechanism of the present invention moving to the leftmost position.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the centering structure in the movable flip-shifting mechanism described in the present invention.

[0023] In the figure: 1, base, 2, moving frame, 201, U-shaped groove, 202, moving plate, 203, boss, 204, support plate, 205, cross bar groove, 3, flip table, 301, rotating shaft, 4, pull rod mechanism, 401, cross bar, 402, U-shaped plate, 403, T-shaped plate, 5, centering mechanism, 501, bearing seat, 502, clamp, 503, right-hand screw, 504, coupling, 505, left-hand screw, 506, slide rail, 507, second driving member, 6, flip mechanism, 7, translation mechanism. DETAILED DESCRIPTION

[0024] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical scheme of the present invention will be clearly and completely described below in conjunction with the drawings in this specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0025] like Figures 1 to 4 As shown, in this embodiment, the present invention proposes a movable flipping and positioning mechanism, including a base 1 and a mobile frame 2, the mobile frame 2 is arranged on the upper end surface of the base 1, and also includes a flipping platform 3, the flipping platform 3 is arranged on the upper end surface of the mobile frame 2 through a flipping mechanism 6 and a pull rod mechanism 4; one end of the flipping mechanism 6 is hinged to the mobile frame 2, and the other end is hinged to the middle of the flipping platform 3, the pull rod mechanism 4 includes a cross bar 401, the cross bar 401 can be moved to a left limit position and a right limit position, when the cross bar 401 is in the left limit position, the flipping mechanism 6 can drive the flipping platform 3 to flip to the left, and when the cross bar 401 is in the right limit position, the flipping mechanism 6 can drive the flipping platform 3 to flip to the right. Among them, the flipping mechanism 6 can be set as a structure such as a hydraulic cylinder. In this embodiment, the flipping mechanism 6 is synchronously driven by two hydraulic cylinders, connected to the flipping platform 3, and drives the flipping platform 3 to flip left and right.

[0026] Specifically, Figure 2 , Figure 3 As shown, vertical U-shaped grooves 201 are provided on the left and right sides of the moving frame 2, and rotating shafts 301 are symmetrically provided on the left and right sides of the turning platform 3. When the turning platform 3 is horizontally arranged on the moving frame 2, the rotating shafts 301 on the left and right sides of the turning platform 3 are respectively located in the U-shaped grooves 201 on the left and right sides of the moving frame 2; when the cross bar 401 is in the left limit position, the left end of the cross bar 401 passes through the middle part of the U-shaped groove 201 on the left side of the moving frame 2 and limits the rotating shaft 301 on the left side of the turning platform 3 to the bottom of the U-shaped groove 201, and the right end of the cross bar 401 is located outside the U-shaped groove 201 on the right side of the moving frame 2; when the cross bar 401 is in the right limit position, the right end of the cross bar 401 passes through the middle part of the U-shaped groove 201 on the right side of the moving frame 2 and limits the rotating shaft 301 on the right side of the turning platform 3 to the bottom of the U-shaped groove 201, and the left end of the cross bar 401 is located outside the U-shaped groove 201 on the left side of the moving frame 2.

[0027] Figure 2That is, it shows the state when the cross bar 401 is in the left extreme position. At this time, the left rotating shaft 301 is pressed by the left side of the cross bar 401 and cannot slide out from the upper end of the U-shaped groove 201, while the right rotating shaft 301 is not pressed by the right side of the cross bar 401, so it can slide out freely from the upper end of the U-shaped groove 201. When the turning mechanism 6 pushes the turning table 3, the free right end of the turning table 3 is pushed up and rotates around the rotating shaft 301 at the left end, thereby completing the left turning; the right turning of the turning table 3 is the same as the left turning principle, so it will not be repeated here.

[0028] Depend on Figure 3 It can be seen that the mobile frame 2 includes two oppositely arranged mobile plates 202, and bosses 203 are provided on the left and right sides of the mobile plates 202, and U-shaped grooves 201 are provided on the opposite sides of the bosses 203, that is, there are four U-shaped grooves 201 to support the rotating shaft 301 at the bottom of the flip table 3, so four rotating shafts 301 are provided at the bottom of the flip table 3. Specifically, a support plate 204 is fixed on the opposite side of the boss 203, and the support plate 204 is provided with a vertical U-shaped groove 201 and a horizontal crossbar groove 205, and the crossbar groove 205 is connected with the U-shaped groove 201 and crosses the middle of the U-shaped groove 201. A cross bar 401 is provided at the upper end of the two movable plates 202, and the two cross bars 401 are arranged in parallel; a connecting rod assembly and a first driving member are also provided between the two movable plates 202, and the connecting rod assembly connects the two cross bars 401. The first driving member can drive the two cross bars 401 to move left and right synchronously through the connecting rod assembly. The first driving member can also be set as a hydraulic cylinder.

[0029] The connecting rod mechanism includes two U-shaped plates 402 and two T-shaped plates 403 . The two U-shaped plates 402 are connected between the two cross bars 401 , and the two T-shaped plates 403 are connected between the two U-shaped plates 402 and the two cross bars 401 .

[0030] like Figure 1 , Figure 4As shown, the centering mechanism 5 is also included, and the centering mechanism 5 is arranged on the upper end surface of the turning table; the centering mechanism includes two clamps 502, a left-hand screw 505, a right-hand screw 503, a coupling 504, a second driving member 507, a slide rail 506 and a bearing seat 501, and the two clamps 502 are relatively slidably arranged on the turning table 3. Specifically, the sliding arrangement is realized by the slide rail 506, and the slide rail 506 is fixed on the upper end surface of the turning table 3. The two clamps 502 are slidably arranged on the turning table 3 through the slide rail 506. The two clamps 502 are respectively spirally connected with the left-hand screw 505 and the right-hand screw 503, one end of the left-hand screw 505 is connected with the right-hand screw 503 through the coupling 504, and the other end is provided with a second driving member 507, and the second driving member 507 can simultaneously drive the left-hand screw 505 and the right-hand screw 503 to rotate so as to drive the two clamps 502 to move closer to and away from each other. The bearing seat 501 is fixed to the upper end surface of the flip table 3, and both ends of the left-hand screw 505 and the right-hand screw 503 are rotatably arranged on the bearing seat 501. The existence of the coupling 504 can make the left-hand screw 505 and the right-hand screw 503 rotate synchronously, so that the two clamps 502 can be clamped or released in the center, complete the clamping and centering of the workpiece, and prevent the workpiece from sliding during the flipping process. The second driving member 507 can be set in the form of a reduction motor or a motor reduction box.

[0031] like Figure 1 As shown, the mobile frame 2 also includes a translation mechanism 7, and the mobile frame 2 is slidably arranged on the upper end surface of the base 1. The translation mechanism 7 can drive the mobile frame 2 to slide left and right on the upper end surface of the base 1. Specifically, the translation mechanism 7 can be synchronously driven by two hydraulic cylinders, connected to the mobile frame 2, and drive the mobile frame 2 to translate left and right relative to the base 1. The existence of the translation mechanism 7 can reduce the flipping area, adjust the center of gravity position, and thus improve space utilization and equipment safety.

[0032] like Figures 1 to 4 As shown, the working principle of the movable flip-shift mechanism is:

[0033] When the cross bar 401 is at the left limit position, the left rotating shaft 301 is pressed by the left side of the cross bar 401 and cannot slide out from the upper end of the U-shaped groove 201, while the right rotating shaft 301 is not pressed by the right side of the cross bar 401 and can slide out from the upper end of the U-shaped groove 201 freely. When the turning mechanism 6 pushes the turning table 3, the free right end of the turning table 3 is pushed up and rotates around the rotating shaft 301 at the left end, thereby completing the left turning; the right turning of the turning table 3 is the same as the left turning principle, which will not be described in detail here.

[0034] It can be seen from the above embodiments that the beneficial effects of the present invention are:

[0035] The present invention clamps and positions the workpiece through a centering mechanism, and drives the workpiece to flip through a flipping mechanism connected thereto. Double-sided vertical welding at multiple locations can be converted into flat welding in one clamping operation, thereby reducing the difficulty of welding operations and making the welding process of the workpiece more automated. The translation mechanism reduces the flipping area, adjusts the center of gravity position, and improves space utilization and equipment safety.

[0036] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A movable flipping and shifting mechanism, comprising a base and a movable frame, wherein the movable frame is arranged on the upper end surface of the base, characterized in that: It also includes a turning table, which is arranged on the upper end surface of the mobile frame through a turning mechanism and a pull rod mechanism; one end of the turning mechanism is hinged to the mobile frame, and the other end is hinged to the middle part of the turning table, and the pull rod mechanism includes a cross bar, and the cross bar can be moved to a left extreme position and a right extreme position. When the cross bar is in the left extreme position, the turning mechanism can drive the turning table to turn to the left side, and when the cross bar is in the right extreme position, the turning mechanism can drive the turning table to turn to the right side; It also includes a centering mechanism, which is arranged on the upper end surface of the turning table; the centering mechanism includes two clamps, a left-hand screw, a right-hand screw, a coupling and a second driving member, the two clamps are relatively slidably arranged on the turning table, and the two clamps are respectively spirally connected to the left-hand screw and the right-hand screw, one end of the left-hand screw is connected to the right-hand screw through the coupling, and the other end is provided with a second driving member, the second driving member can simultaneously drive the left-hand screw and the right-hand screw to rotate so as to drive the two clamps to move closer to and away from each other; The movable flipping and shifting mechanism also includes a translation mechanism, the movable frame is slidably arranged on the upper end surface of the base, and the translation mechanism can drive the movable frame to slide left and right on the upper end surface of the base; The left and right sides of the moving frame are provided with vertical U-shaped grooves, and the left and right sides of the turning platform are symmetrically provided with rotating shafts. When the turning platform is horizontally arranged on the moving frame, the rotating shafts on the left and right sides of the turning platform are respectively located in the U-shaped grooves on the left and right sides of the moving frame; when the cross bar is in the left extreme position, the left end of the cross bar passes through the middle of the U-shaped groove on the left side of the moving frame and limits the rotating shaft on the left side of the turning platform to the bottom of the U-shaped groove, and the right end of the cross bar is located outside the U-shaped groove on the right side of the moving frame; when the cross bar is in the right extreme position, the right end of the cross bar passes through the middle of the U-shaped groove on the right side of the moving frame and limits the rotating shaft on the right side of the turning platform to the bottom of the U-shaped groove, and the left end of the cross bar is located outside the U-shaped groove on the left side of the moving frame; The mobile frame includes two oppositely arranged mobile plates, the left and right sides of the mobile plates are provided with bosses, and the opposite sides of the bosses are provided with U-shaped grooves; A support plate is fixed on the side opposite to the boss, and the support plate is provided with a vertical U-shaped groove and a horizontal crossbar groove, and the crossbar groove is connected with the U-shaped groove and crosses the middle of the U-shaped groove; A cross bar is disposed at the upper end of each of the two movable plates, and the two cross bars are disposed in parallel; a connecting rod assembly and a first driving member are also disposed between the two movable plates, the connecting rod assembly connects the two cross bars, and the first driving member can drive the two cross bars to move left and right synchronously through the connecting rod assembly; The connecting rod assembly comprises two U-shaped plates and two T-shaped plates, the two U-shaped plates are connected between the two cross bars, and the two T-shaped plates are respectively connected between the two U-shaped plates and the cross bars.

2. The movable flip-shift mechanism according to claim 1, characterized in that: The centering mechanism also includes a slide rail, which is fixed to the upper end surface of the turning table, and the two clamps are slidably arranged on the turning table through the slide rail.

3. The movable flip-shift mechanism according to claim 1, characterized in that: The centering mechanism also includes a bearing seat, which is fixed to the upper end surface of the turning table, and both ends of the left-hand screw and the right-hand screw are rotatably arranged on the bearing seat.

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