Online storage type feeding projection welding workstation

Abstract

The utility model relates to an on-line storage type feeding projection welding work station which comprises a combined feeding frame, a carrying robot is arranged on the basis of the combined feeding frame, a marking machine and a material storage table are sequentially arranged on the motion path of the carrying robot, and a welding robot is arranged on the side edge of the material storage table. A nut machine, a projection welding machine and a detection station are arranged on the motion path of the welding robot, the output end of the detection station is connected with a defective product box and a good product conveying belt, the number of the combined feeding frames is at least two, and each set of feeding frames is provided with at least two in a sliding mode. When products are welded, materials are manually stored, after the materials are stored, an operator can conduct other work such as discharging, and the purposes of reducing cost and improving efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic projection welding, in particular to an online storage-type feeding projection welding workstation. Background Art

[0002] In recent years, with the increasingly fierce competition in the automobile market, major automobile OEMs have very high requirements for welding production efficiency and very high labor costs. They all hope to reduce the number of operators and reduce labor costs. The existing projection welding processing center cannot store and load materials during the working process. A projection welding workstation requires two or more operators to load materials, visually inspect, unload materials, etc., which is inefficient. Utility Model Content

[0003] In view of the shortcomings of the above-mentioned existing production technology, the applicant provides a rationally structured online storage-type loading projection welding workstation, which integrates structures such as alternating loading racks, multiple robots, and welding tables, enabling one person to efficiently operate the entire processing center, thereby improving welding efficiency.

[0004] The technical solution adopted by the utility model is as follows:

[0005] An online storage type loading projection welding workstation includes a combined loading rack, a handling robot is arranged based on the combined loading rack, a marking machine and a material storage table are arranged in sequence on the movement path of the handling robot, a welding robot is arranged on the side of the material storage table, a nut machine, a projection welding machine, and a detection station are arranged on the movement path of the welding robot, and the output end of the detection station is connected to a defective product box and a good product conveyor belt.

[0006] The combined loading racks include at least two groups, each group of which has at least two loading racks that are slidably arranged. During operation, at least one loading rack in each group is located within the grasping range of the transport robot.

[0007] As a further improvement of the above technical solution:

[0008] The workstation is provided with a fence, and the loading rack is installed based on the fence. The two extreme movement positions of the same group of loading racks are symmetrically arranged on both sides inside and outside the fence.

[0009] The same group of loading racks are staggered in vertical height.

[0010] Each set of loading racks is provided with two sets of slide rails in the vertical direction, each slide rail corresponds to a loading rack, and the loading racks are independent of each other or slide in linkage.

[0011] On the moving path of the handling robot, a material storage table and a marking machine are arranged in a counterclockwise direction.

[0012] On the moving path of the welding robot, the nut machine, projection welding machine and inspection station are arranged in a clockwise direction.

[0013] The output end of the conveyor belt is located outside the fence.

[0014] The welding robot and the handling robot are respectively located at adjacent sides of the storage table.

[0015] The beneficial effects of the present utility model are as follows:

[0016] The structure of the present utility model is compact and reasonable, and it is convenient to operate. When welding products, manual feeding is carried out. After the feeding is completed, the operator can carry out other operations such as discharging, saving labor, and meeting the beat, preventing leakage and error, ensuring the welding quality, and achieving the purpose of cost reduction and efficiency improvement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall top view of the present utility model.

[0018] Figure 2 It is the schematic diagram of the single-group feeding structure of the present utility model.

[0019] Wherein: 1. Loading rack; 2. Handling robot; 3. Storage table; 4. Marking machine; 5. Welding robot; 6. Projection welder; 7. Inspection station; 8. Defective product box; 9. Conveyor belt;

[0020] 101. First loading rack; 102. Second loading rack; 103. Third loading rack; 104. Fourth loading rack; 105. Slide rail. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following combines the drawings to illustrate the specific embodiments of the present utility model.

[0022] As Figure 1 and Figure 2 shown, the on-line storage type loading projection welding workstation of this embodiment includes a combined loading rack 1. Based on the combined loading rack 1, a handling robot 2 is arranged. A marking machine 4 and a storage table 3 are sequentially arranged on the movement path of the handling robot 2. A welding robot 5 is arranged on the side of the storage table 3. A nut machine, a projection welder 6, and an inspection station 7 are arranged on the movement path of the welding robot 5. The output end of the inspection station 7 is connected to a defective product box 8 and a good product conveyor belt 9.

[0023] The combined loading rack 1 includes at least two groups, and at least two loading racks 1 are slidably arranged in each group. During the working process, at least one loading rack 1 in each group is within the grasping range of the handling robot 2.

[0024] The workstation is provided with a fence. The loading rack 1 is installed based on the fence, and the two extreme movement positions of the same group of loading racks 1 are symmetrically arranged on both sides inside and outside the fence.

[0025] The same group of loading racks 1 are staggered in vertical height.

[0026] Each group of loading racks 1 is provided with two groups of slide rails 105 in the vertical direction, and each slide rail 105 corresponds to a loading rack 1. The loading racks 1 are independent of each other or slide in linkage.

[0027] On the moving path of the transport robot 2, a material storage table 3 and a marking machine 4 are arranged in a counterclockwise direction.

[0028] On the motion path of the welding robot 5, a nut machine, a projection welding machine 6, and a detection station 7 are arranged in a clockwise direction. The nut machine is used to transport the nuts to be used to the electrodes for welding after detection. The nut machine is a commercially available part and will not be described in detail in this embodiment.

[0029] The output end of the conveyor belt 9 is located outside the fence.

[0030] The welding robot 5 and the handling robot 2 are respectively located at adjacent sides of the material storage platform 3 .

[0031] The specific structure and working process of the utility model are as follows:

[0032] like Figure 1 As shown, the utility model provides a projection welding workstation, the main advantage of which is that a storage-type loading rack 1 is adopted to realize continuous alternating loading.

[0033] like Figure 1 In the middle position, the workstation is provided with four rectangular loading racks 1, and each two loading racks 1 form a group. A handling robot 2 is arranged between two groups of loading racks 1, and the side of the handling robot 2 facing away from the loading rack 1 is a storage table 3. The products on the loading rack 1 are grabbed by the handling robot 2 and sent to the storage table 3.

[0034] The special feature of the loading rack 1 is that, in each of the two groups of loading racks 1, one loading rack 1 is located outside the fence of the workstation, so that the operator or robot can put the batch of products to be processed on the loading rack 1. The other loading rack 1 in the same group is located inside the fence of the workstation. The two loading racks 1 in the same group are arranged on the same slide rail 105, and the relative position conversion of the loading racks 1 in the same group is realized by sliding on the slide rail 105. In order to support the fully loaded loading rack 1, three slide rails 105 are evenly arranged at the bottom of each loading rack.

[0035] For example, in the initial state, both of the two loading racks 1 are empty. One loading rack 1 is within the fence, and the other loading rack 1 is outside the fence. After the loading rack 1 outside the fence is fully loaded with products, it slides into the fence. At this time, the handling robot 2 can grasp the products on the fully loaded loading rack 1. The loading rack 1 originally within the fence slides out of the fence and can continue to load the empty loading rack 1. After the fully loaded loading rack 1 is handled by the handling robot 2, it slides out of the fence, repeating the process of empty loading and full-load material taking.

[0036] In order to facilitate the reciprocating sliding and switching of the same group of loading racks 1, the present utility model provides a double-layer slide rail 105, and the vertical height spacing between the double-layer slide rails 105 allows the fully loaded loading rack 1 to slide smoothly without easily bumping into the products to be prepared.

[0037] In order to improve work efficiency, four loading racks 1 in two groups are loaded in sequence. Taking two groups of loading racks 1 as an example, according to the orientation in the figure, let the loading rack 1 in the upper left corner be the first loading rack 1011, the loading rack 1 in the lower left corner be the second loading rack 1021, the loading rack 1 in the upper right corner be the third loading rack 1031, and the loading rack 1 in the lower right corner be the fourth loading rack 1041. When in use, as an adoptable grasping sequence, first grasp the products on the first loading rack 1011. After the grasping is completed, then grasp the products on the third loading rack 1031, that is, sequentially grasp the fully loaded loading racks 1 that have been sent into the fence, and then manually push and pull the loading rack 1 that has been grasped to send the second feeding rack outside the fence into the fence to wait for grasping again. The advantage of this operation method is that it can provide sufficient operation time for loading and sliding. If there are more groups of loading racks 1, they can also be grasped in this sequence.

[0038] After the handling robot 2 grasps the products, it sends them to the marking machine 4 for marking. After marking, they are placed on the storage table 3 for precise positioning. A special positioning fixture is provided on the storage table 3, which is made into a contour shape according to the product. For example, for a stamping sheet metal part, the positioning fixture uses protrusions with the same contour as the stamping sheet metal part to achieve the purpose of precise positioning.

[0039] After positioning, the welding robot 5 grasps them and sends them to the projection welder 6 for welding. The projection welder 6 uses commercially available parts, and welding is a conventional technical means, which will not be elaborated in this embodiment.

[0040] The welded products are carried by the welding robot 5 to the inspection station 7 for inspection. The inspection equipment uses commercially available parts. If defective products are detected, they are discarded into the defective product box 8. If the inspection is qualified, they are placed on the conveyor belt 9 and output outside the fence for manual collection.

[0041] The technical key point of the present utility model lies in the particularity of the feeding mechanism. In this solution, the feeding structure adopts multiple groups of feeding racks 1. Each group of feeding racks 1 can switch between a fully loaded feeding rack 1 and an empty feeding rack 1. The combined use of multiple groups of feeding racks 1 can ensure that there are always parts to be grabbed within the fence, thus ensuring the production rhythm.

[0042] The above description is an explanation of the present utility model, not a limitation thereof. The scope defined by the present utility model can be seen in the claims. Any form of modification can be made within the protection scope of the present utility model.

Claims

1. An online storage type loading projection welding workstation, characterized in that: The invention comprises a combined loading rack (1), a handling robot (2) is arranged based on the combined loading rack (1), a marking machine (4) and a material storage table (3) are arranged in sequence on the moving path of the handling robot (2), a welding robot (5) is arranged on the side of the material storage table (3), a nut machine, a projection welding machine (6), and a detection station (7) are arranged on the moving path of the welding robot (5), and the output end of the detection station (7) is connected to a defective product box (8) and a good product conveyor belt (9), The combined loading racks (1) include at least two groups, each group of loading racks (1) is slidably provided with at least two loading racks, and during operation, at least one loading rack (1) in each group is located within the grasping range of the transport robot (2).

2. The online storage-type loading projection welding workstation according to claim 1, characterized in that: The workstation is provided with a fence, and the loading rack (1) is installed based on the fence. The two extreme movement positions of the same group of loading racks (1) are symmetrically arranged on both sides inside and outside the fence.

3. The online storage-type loading projection welding workstation as claimed in claim 2, characterized in that: The same group of loading racks (1) are arranged in a staggered manner in vertical height.

4. The online storage-type loading projection welding workstation as claimed in claim 3, characterized in that: Each group of loading racks (1) is provided with two groups of slide rails (105) in the vertical direction, each slide rail (105) corresponds to a loading rack (1), and the loading racks (1) slide independently of each other or in a linked manner.

5. The online storage-type loading projection welding workstation according to claim 1, characterized in that: A material storage table (3) and a marking machine (4) are arranged in a counterclockwise direction on the moving path of the transport robot (2).

6. The online storage-type loading projection welding workstation as claimed in claim 1, characterized in that: On the moving path of the welding robot (5), a nut machine, a projection welding machine (6) and a detection station (7) are arranged in a clockwise direction.

7. The online storage-type loading projection welding workstation as claimed in claim 2, characterized in that: The output end of the conveyor belt (9) is located outside the fence.

8. The online storage-type loading projection welding workstation as claimed in claim 1, characterized in that: The welding robot (5) and the handling robot (2) are respectively located at adjacent sides of the material storage platform (3).

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