Automatic production equipment special for welding of pintle chain series cross rods

Abstract

The invention relates to the technical field of chain welding, in particular to special automatic production equipment for welding pin chain series cross rods, which comprises a main shaft end, a tail end, a worktable and a welding robot, the worktable is positioned between the main shaft end and the tail end, and a rotating table frame is mounted at the bottom of the worktable; the two ends of the rotating table frame are rotationally connected with the main shaft end and the tail end correspondingly, and the two welding robots are symmetrically located between the two workbenches. Aiming at the problems that manual welding is high in labor intensity, low in efficiency and unstable in quality, a control system cooperatively controls all air cylinders, a welding robot and a rotating structure, full-process automatic operation from positioning, clamping and welding to turn-over and discharging is achieved, the manual participation degree is greatly reduced, the labor intensity is reduced, and the production efficiency is improved. And the consistency of the welding quality is guaranteed through precise action of a mechanical structure, and the problems of uneven welding, insufficient welding and the like caused by manual operation differences are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chain welding, in particular to a special automatic production equipment for pin chain series cross bar welding. BACKGROUND

[0002] Pin chain, as a key mechanical transmission component, is widely used in agricultural machinery, mining equipment, transportation machinery and other fields. It connects the chain links of two pin chains through a cross bar to form a flexible rotating chain transmission structure. At present, the welding of pin chain series cross bars is mostly completed by manual operation or semi-automatic equipment, which has the following disadvantages: first, manual welding has high labor intensity and low efficiency, and the welding quality is greatly affected by the skill level and working state of the operator, which may cause uneven welding, virtual welding, missed welding and other problems, resulting in unstable product quality; second, the existing semi-automatic welding equipment can only realize single-sided welding, and the other side needs to be welded manually after turning over, which not only increases the operation process and time cost, but also may affect the welding precision due to the positioning deviation in the turning process; third, the unloading link after welding also needs manual intervention, and it is difficult to realize full-process automatic production, which restricts the further improvement of production efficiency; in addition, the traditional equipment has defects in the design of positioning and clamping mechanism, and it is difficult to quickly and accurately position and fix the pin chain and cross bar, which may cause displacement during welding and affect the welding quality and product consistency. Therefore, a special equipment is needed to realize the automatic welding, turning and unloading of pin chain series cross bars, so as to improve the production efficiency, ensure the welding quality and reduce the labor intensity. SUMMARY

[0003] In order to solve the problems in the background art, the present application provides a special automatic production equipment for pin chain series cross bar welding.

[0004] To achieve the above purpose, the present application provides the following technical scheme: A kind of special automatic production equipment for pinning chain series crossbar welding, including main shaft end, tail end, workbench and welding robot, the workbench is located between main shaft end and tail end, the bottom of the workbench is equipped with rotary table frame, the both ends of the rotary table frame are rotationally connected with main shaft end and tail end respectively, two welding robots are symmetrically located between two workbenches, the workbench includes table panel and adjusting plate, the table panel is installed on the top of rotary table frame, the adjusting plate is installed on the top of table panel, the table panel is equipped with crossbar positioning block, the bottom of rotary table frame is connected with two cylinder mounting plates by multiple groups of screw rods, the top of cylinder mounting plate is equipped with positioning block cylinder, the movable end of positioning block cylinder is fixedly connected with chain link positioning block, the top of cylinder mounting plate is equipped with claw lifting cylinder, the movable end of claw lifting cylinder is equipped with claw cylinder, the movable end of claw cylinder is equipped with pressure claw, multiple movable lifting plates are arranged between the two cylinder mounting plates, the outer surfaces of multiple guide columns are all slidably sleeved with linear bearings, the both ends of movable lifting plate are fixedly connected with two linear bearings respectively, the top of movable lifting plate is fixedly connected with lifting plate cylinder, the movable end of lifting plate cylinder is connected with the bottom of rotary table frame, the top of movable lifting plate is fixedly connected with rotary pressure rod cylinder, the movable end of rotary pressure rod cylinder is equipped with limit pressure rod, the top of table panel is symmetrically paved with two pinning chains, multiple welding crossbars are placed between two pinning chains.

[0005] Further, the main shaft end and the tail end are fixedly connected between the fixed plate, and the fixed plate is located directly below the workbench.

[0006] Further, the chain link positioning block is adapted to the chain link of the pinning chain, and the pinning chain is located in multiple pressure claws.

[0007] Further, the both ends of multiple welding crossbars are respectively clamped in the inside of two groups of crossbar positioning blocks, and the limit pressure rod is located above the welding crossbar.

[0008] Further, the both ends of the welding crossbar are respectively in contact with two pinning chains.

[0009] Further, the main shaft end, tail end, welding robot, claw lifting cylinder, claw cylinder, positioning block cylinder, lifting plate cylinder and rotary pressure rod cylinder are wirelessly remotely controlled by the control system.

[0010] Compared with the prior art, the beneficial effects of the present application are: 1. In order to solve the problems of high labor intensity, low efficiency and unstable quality of manual welding, the control system is used for cooperative control of each cylinder, welding robot and rotating structure, so that full-process automation operation from positioning, clamping, welding to turning over and unloading is realized, the manual participation is greatly reduced, the labor intensity is reduced, the consistency of welding quality is ensured through precise action of the mechanical structure, and problems such as uneven welding and virtual welding caused by manual operation difference are avoided.

[0011] 2. In order to solve the problems of complicated process and poor precision caused by manual turning over of the semi-automatic equipment, the rotating table frame rotatingly connected with the main shaft end and the tail end can drive the workpiece to automatically complete 180-degree turning over without manual intervention, so that the operation process and time cost are reduced, the positioning deviation in the turning over process is avoided through the stability of mechanical rotation, and the welding precision is improved.

[0012] 3. In order to solve the problem of manual intervention for unloading, the automatic unloading is realized through the specific angle rotation of the rotating table frame, the automatic collection is realized through the material box on the fixed plate between the main shaft end and the tail end, the manual operation is further reduced, and the production continuity is improved; in order to solve the problem of easy displacement caused by the deficiency of the positioning and clamping mechanism, the precise positioning of the pin joint chain is realized through the linkage of the positioning block and the cylinder, the stable clamping of the chain link is realized through the cooperation of the gas claw and the pressure claw, the compression and fixation of the horizontal rod are realized through the cooperative action of the lifting plate and the rotating compression rod, and the multiple positioning and clamping structures are cooperated, so that the workpiece is not displaced in the welding process, and the product consistency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the application; Fig. 2 It is a top view of the workbench of the application; Fig. 3 It is a structural schematic view of the rotating table frame of the application.

[0014] In the figure: 1, main shaft end; 2, tail end; 3, workbench; 4, rotating table frame; 5, welding robot; 6, table plate; 7, adjusting plate; 8, chain link positioning block; 9, welding horizontal rod; 10, limiting compression rod; 11, pressure claw; 12, horizontal rod positioning block; 13, pin joint chain; 14, cylinder mounting plate; 15, screw rod; 16, gas claw lifting cylinder; 17, gas claw cylinder; 18, positioning block cylinder; 19, lifting plate cylinder; 20, rotating compression rod cylinder; 21, movable lifting plate; 22, guide column; 23, linear bearing. DETAILED DESCRIPTION EMBODIMENT

[0015] Please refer to Figs. 1-3The utility model provides a kind of special automatic production equipment for pinning chain series crossbar welding, including main shaft end 1, tail end 2, workbench 3 and welding robot 5, workbench 3 is located between main shaft end 1 and tail end 2, the bottom of workbench 3 is equipped with rotary table frame 4, and the both ends of rotary table frame 4 are rotatably connected with main shaft end 1 and tail end 2 respectively, two welding robots 5 are symmetrically located between two workbenches 3, workbench 3 includes table panel 6 and adjusting plate 7, table panel 6 is installed on the top of rotary table frame 4, adjusting plate 7 is installed on the top of table panel 6, table panel 6 is equipped with crossbar positioning block 12, rotary table frame 4 is connected with two cylinder mounting plates 14 below by multiple groups of screw rods 15, cylinder mounting plate 14 is equipped with positioning block cylinder 18 on the top, and the movable end of positioning block cylinder 18 is fixedly connected with chain link positioning block 8, cylinder mounting plate 14 is equipped with gas claw lifting cylinder 16 on the top, the movable end of gas claw lifting cylinder 16 is equipped with gas claw cylinder 17, the movable end of gas claw cylinder 17 is equipped with pressing claw 11, multiple movable lifting plates 21 are arranged between two cylinder mounting plates 14, multiple guide columns 22 are fixedly connected on the bottom of rotary table frame 4, linear bearing 23 is slidably sleeved on the outer surface of multiple guide columns 22, two linear bearings 23 are fixedly connected at the both ends of movable lifting plate 21 respectively, lifting plate cylinder 19 is fixedly connected on the top of movable lifting plate 21, the movable end of lifting plate cylinder 19 is connected with the bottom of rotary table frame 4, rotary pressing rod cylinder 20 is fixedly connected on the top of movable lifting plate 21, and the movable end of rotary pressing rod cylinder 20 is equipped with limit pressing rod 10, the top of table panel 6 is symmetrically paved with two pinning chains 13, and multiple welding crossbars 9 are placed between two pinning chains 13.

[0016] The fixed plate fixedly connected between main shaft end 1 and tail end 2 is located directly below workbench 3, not only provides stable support for the whole equipment, but also can be used for placing material box to realize automatic collection of pinning chain 13 after unloading, avoid the problem of low efficiency caused by manual collection, and optimize the coherence of production process.

[0017] Chain link positioning block 8 is adapted to the chain link of pinning chain 13, and pinning chain 13 is located in multiple pressing claws 11, through the accurate positioning of chain link positioning block 8 and the clamping action of pressing claw 11, double fixing structure is formed, which not only ensures the stable posture of pinning chain 13 in the welding process, but also avoids displacement phenomenon, effectively solves the problem of insufficient accuracy of traditional positioning mechanism.

[0018] The both ends of multiple welding crossbars 9 are respectively clamped in two groups of crossbar positioning blocks 12, and limit pressing rod 10 is located above welding crossbar 9, crossbar positioning block 12 realizes the preliminary positioning of welding crossbar 9, limit pressing rod 10 further applies pressure fixation, and the reliable clamping structure is formed by cooperation, to prevent welding crossbar 9 from deviating during welding, ensure the accuracy of welding position, and improve product consistency.

[0019] The two ends of the welding cross bar 9 are in contact with the two pin link chains 13 respectively, and the structure design ensures that the connection part of the welding cross bar 9 and the pin link chain 13 is in a precise welding position, thereby providing a stable operation reference for the welding robot 5, avoiding the problems of virtual welding and missed welding caused by inaccurate contact, and improving the welding quality.

[0020] The main shaft end 1, the tail end 2, the welding robot 5, the gas claw lifting cylinder 16, the gas claw cylinder 17, the positioning block cylinder 18, the lifting plate cylinder 19 and the rotary pressing rod cylinder 20 are all wirelessly controlled by the control system, and the coordinated automatic operation of each component is realized. From positioning, clamping and welding to turning over and unloading, the whole process does not need manual intervention, which not only reduces the labor intensity, but also ensures the accuracy and consistency of each link through program control, thereby solving the problems of low efficiency and unstable quality caused by manual operation of traditional equipment.

[0021] The working principle of the present application is as follows: when the automatic production equipment for welding pin link chain series cross bar is used, the positioning block cylinder 18 drives the chain link positioning block 8 to rise to a specified position, the operator lays the pin link chain 13 on the table panel 6 of the workbench 3, so that the chain link of the pin link chain 13 is positioned in the chain link positioning block 8, then the two ends of the welding cross bar 9 are respectively clamped into the cross bar positioning block 12 on the table panel 6, so that the two ends of the welding cross bar 9 are in contact with the two pin link chains 13; the gas claw lifting cylinder 16 drives the gas claw cylinder 17 and the pressing claw 11 to rise from the middle of the chain link of the pin link chain 13, the gas claw cylinder 17 drives the pressing claw 11 to open and then close to hold the pin link chain 13 inside; the lifting plate cylinder 19 drives the movable lifting plate 21 to rise along the guide column 22 at the bottom of the rotary table frame 4 and the linear bearing 23 sleeved on the guide column 22, drives the rotary pressing rod cylinder 20 to lift, the rotary pressing rod cylinder 20 drives the limiting pressing rod 10 to rotate ninety degrees to the upper side of the welding cross bar 9, and the lifting plate cylinder 19 drives the movable lifting plate 21 to descend, so that the limiting pressing rod 10 cooperates with the cross bar positioning block 12 to press and fix the welding cross bar 9; the welding robot 5 is started to weld the connection part of the pin link chain 13 and the welding cross bar 9, after welding, the main shaft end 1 drives the rotary table frame 4 connected with the tail end 2 to rotate one hundred and eighty degrees, so as to realize the turning over of the workpiece for back welding; after back welding, the main shaft end 1 drives the rotary table frame 4 to return to zero, the gas claw lifting cylinder 16, the gas claw cylinder 17, the positioning block cylinder 18, the lifting plate cylinder 19 and the rotary pressing rod cylinder 20 are sequentially reset, and finally the main shaft end 1 drives the rotary table frame 4 to rotate fifty degrees to complete automatic unloading, and the fixed plate between the main shaft end 1 and the tail end 2 can place a material box, which is used to collect the pin link chain 13 unloaded, and the whole process is cooperatively controlled by the control system on the main shaft end 1, the tail end 2, the welding robot 5 and each cylinder, so as to realize automatic welding operation.

[0022] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other embodiments without departing from the scope of the application. The embodiments are therefore to be seen as exemplary and in no way restrictive, the scope of the application being defined by the claims below rather than by the above description, and all variations falling within the meaning and range of equivalency of the essential characteristics of the claims are therefore intended to be embraced therein.

[0023] Furthermore, it should be understood that although the description is made according to embodiments, not every embodiment contains only one independent technical solution, and the description is made in this way only for the sake of clarity, and a person skilled in the art should consider the description as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. An automated production equipment for welding crossbars of a pin chain series, comprising a main shaft end (1), a tail end (2), a worktable (3), and a welding robot (5), characterized in that: The worktable (3) is located between the spindle end (1) and the tail end (2). A rotary table frame (4) is installed at the bottom of the worktable (3). The two ends of the rotary table frame (4) are rotatably connected to the spindle end (1) and the tail end (2), respectively. The two welding robots (5) are symmetrically located between the two worktables (3). The worktable (3) includes a table panel (6) and an adjustment plate (7). The table panel (6) is installed on the top of the rotary table frame (4). The adjustment plate (7) The rotating table frame (4) is mounted on the top of the table panel (6), which is equipped with a crossbar positioning block (12). Two cylinder mounting plates (14) are connected to the bottom of the rotating table frame (4) via multiple sets of screws (15). A positioning block cylinder (18) is mounted on the top of the cylinder mounting plate (14). A chain link positioning block (8) is fixedly connected to the movable end of the positioning block cylinder (18). A gripper lifting cylinder (16) is mounted on the top of the cylinder mounting plate (14). 16) The movable end is equipped with a pneumatic gripper cylinder (17), the movable end of the pneumatic gripper cylinder (17) is equipped with a pressure gripper (11), and multiple movable lifting plates (21) are arranged between the two cylinder mounting plates (14). Multiple sets of guide columns (22) are fixedly connected to the bottom of the rotary table frame (4). Linear bearings (23) are slidably sleeved on the outer surface of the multiple guide columns (22). The two linear bearings (23) are fixedly connected to the two ends of the movable lifting plate (21). The top of the movable lifting plate (21) is fixedly connected with a lifting plate cylinder (19). The movable end of the lifting plate cylinder (19) is connected to the bottom of the rotary table frame (4). The top of the movable lifting plate (21) is fixedly connected with a rotating pressure rod cylinder (20). The movable end of the rotating pressure rod cylinder (20) is equipped with a limit pressure rod (10). Two pin chains (13) are symmetrically laid on the top of the table panel (6). Multiple welded crossbars (9) are placed between the two pin chains (13).

2. The automated production equipment for welding crossbars of pin-joint chain series according to claim 1, characterized in that: A fixing plate is fixedly connected between the spindle end (1) and the tail end (2), and the fixing plate is located directly below the worktable (3).

3. The automated production equipment for welding crossbars of pin-joint chain series according to claim 1, characterized in that: The link positioning block (8) is adapted to the link of the pin chain (13), which is located within a plurality of pressure claws (11).

4. The automated production equipment for welding crossbars of pin-joint chain series according to claim 1, characterized in that: The two ends of the multiple welding crossbars (9) are respectively snapped into the interior of two sets of crossbar positioning blocks (12), and the limiting pressure bar (10) is located above the welding crossbars (9).

5. The automated production equipment for welding crossbars of pin-joint chain series according to claim 1, characterized in that: The two ends of the welded crossbar (9) are in contact with two pin chains (13).

6. The automated production equipment for welding crossbars of pin-joint chain series according to claim 1, characterized in that: The main spindle end (1), tail end (2), welding robot (5), pneumatic gripper lifting cylinder (16), pneumatic gripper cylinder (17), positioning block cylinder (18), lifting plate cylinder (19), and rotating pressure rod cylinder (20) are all wirelessly remote controlled by the control system.

Images