Workpiece welding equipment

Abstract

The utility model provides workpiece welding equipment which comprises a base plate, a first bottom plate and a second bottom plate are installed on the base plate, the first bottom plate and the second bottom plate are respectively provided with a containing groove, the containing grooves are used for containing workpieces, positioning plates are installed on the bottom plates, positioning clamps are installed on the second bottom plate, and the positioning clamps correspond to the positioning grooves in position. After the workpiece is installed in the containing groove, the bottom of the workpiece is positioned through the positioning plate, and the top is positioned through the positioning clamp. The equipment is suitable for machining the end guardrails of the bus ladders of any manufacturers, raw materials are greatly saved, and meanwhile the structural strength is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the field of escalator manufacturing equipment, in particular to a workpiece welding equipment. Background Art

[0002] At present, in the escalator manufacturing industry, Figures 13 to 15 As shown, the processing technology involved in the stainless steel end handrail guardrail 9 of the bus-type escalator is basically made by welding tooling 10, wherein the welding tooling includes standard parts 1002+castings 1001 or parts assembly, and the production process is relatively cumbersome and wastes a lot of man-hours.

[0003] The original manufacturing process is described as follows;

[0004] 1. First, weld the studs 1004 on the arc section of the bent stainless steel cover plate. The positions of the studs need to be at the same level. Any slight deviation will affect the assembly clearance.

[0005] 2. The back of the casting needs to be drilled and tapped, and the mold fees involved in the casting range from tens of thousands to hundreds of thousands, which is also a huge waste of cost.

[0006] 3. In order to match the connection between the casting and the end cover, the bent plate needs to be widened appropriately to meet the fastening requirements of the standard parts.

[0007] 4. Assembly: It is difficult to control the manual welding studs to be on the same horizontal line, so it is difficult for the studs to be inserted into the slot 1003 supported by the semicircular support during the assembly process. This will take a lot of time to complete, and after being inserted into the slot 1003, there may be a gap in the appearance because the studs cannot be on the same level. The same is true for the bolts on the back of the casting. Tightening the bolts one by one is also time-consuming. . .

[0008] Therefore, in view of the shortcomings of the above-mentioned solution in actual production and implementation, a workpiece welding device is provided to solve the above-mentioned technical problems. Utility Model Content

[0009] The utility model provides a workpiece welding device, which solves the problems in the prior art.

[0010] The technical solution of the utility model is implemented as follows: a workpiece welding device comprises a base plate, a first base plate and a second base plate are installed on the base plate, the first base plate and the second base plate are respectively provided with placement grooves, the placement grooves are used to place the workpieces, the base plate is installed with a positioning plate, the second base plate is installed with a positioning clamp, the positioning clamp corresponds to the position of the positioning groove, after the workpiece is installed in the placement groove, the bottom of the workpiece is positioned by the positioning plate, and the top of the workpiece is positioned by the positioning clamp.

[0011] As a preferred embodiment, a space is left between the first bottom plate and the second bottom plate. Arc-shaped notches are respectively provided on one side of the first bottom plate and the second bottom plate corresponding to each other. The space between the notch and the bottom plate forms a placement groove, and the positioning plate is installed on the bottom plate corresponding to the notch.

[0012] As a preferred embodiment, the positioning clip includes a base fixedly installed on the second bottom plate. A connecting rod is rotatably installed on the base, and a fixing plug is installed at the end of the connecting rod; a control rod is rotatably installed on the base. The connecting rod is connected to the control rod, and the fixing plug is lifted or lowered by driving the control rod.

[0013] As a preferred embodiment, the base includes two side plates fixedly provided. A space is left between the two side plates. One end of the connecting rod is rotatably connected to the two side plates, and one end of the control rod is rotatably connected to the two side plates. A connecting plate is installed between the control rod and the connecting rod, and the control rod drives the connecting rod to lift or fall through the connecting plate.

[0014] As a preferred embodiment, a first rotating column is installed on the control rod. One end of the connecting plate is rotatably connected to the first rotating column. A baffle is fixedly installed on the side of the connecting plate, and the baffle corresponds to the position of the first rotating column. When the control rod is perpendicular to the connecting rod, the control rod is in contact with and limitedly fixed by the first rotating column through the baffle.

[0015] As a preferred embodiment, a positioning column is installed on the first positioning plate. The second bottom plate is slidably connected to the positioning column, and the positioning column moves up and down along the second bottom plate. A positioning nut for fixing the second bottom plate and the positioning column is installed on the positioning column.

[0016] As a preferred embodiment, the shape of the positioning plate matches the shape of the placement groove, and a welding interface convenient for welding is provided on the side of the positioning plate.

[0017] As a preferred embodiment, a partition is installed between the first positioning plate and the bottom plate. A space is left between the side wall of the partition and the side wall of the first positioning plate and the bottom plate where the second bottom plate has a notch, and this space forms a positioning groove.

[0018] As a preferred embodiment, a pin shaft is detachably installed on the first positioning plate, and the pin shaft corresponds to the position of the card slot.

[0019] As a preferred embodiment, a positioning hole is provided on the bottom plate, and the pin shaft is slidably installed in the positioning hole.

[0020] After adopting the above technical solution, the beneficial effects of the present utility model are as follows: The present utility model discloses a workpiece welding device. After use, calculated from the cost perspective, not only a large amount of raw materials are saved, but also the processing man-hours are shortened by nearly half. The specific advantages are as follows:

[0021] 1. More material savings: All the original semi-circular castings and standard parts required for production are omitted, not only saving a large amount of raw materials, but also significantly reducing the corresponding casting mold costs (the casting mold costs range from tens of thousands to hundreds of thousands of yuan).

[0022] 2. Shorter production man-hours: In the original production process, studs need to be welded to the end covers, and the corresponding castings need to be drilled and tapped. During assembly, due to the horizontal problem of the studs, continuous adjustment is also required. The assembly time for a single piece is about 30 minutes. However, the new welding process eliminates these cumbersome procedures and can be achieved only through fixture welding. The time required for a single piece is only 10 minutes.

[0023] 3. Improved aesthetics: Due to the horizontal problem of the stud welding in the original process, it is inevitable to have gaps on the visible surface. The new process solves this problem well through fixture pressing and welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0026] Figure 2 It is a schematic top view structure diagram of the present utility model;

[0027] Figure 3 It is a schematic front view structure diagram of the present utility model;

[0028] Figure 4 It is a schematic diagram of the partial structure of the present utility model;

[0029] Figure 5 It is a schematic diagram of the overall structure of the positioning clamp of the present utility model;

[0030] Figure 6 It is a schematic diagram of the overall structure of the positioning clamp of the present utility model;

[0031] Figure 7 It is a schematic diagram of the partial structure of the positioning clamp of the present utility model;

[0032] Figure 8 It is a top view structural schematic diagram of the present utility model;

[0033] Figure 9 It is Figure 8 the schematic diagram of the AA structure in

[0034] Figure 10 It is a structural schematic diagram of the working state of the present utility model;

[0035] Figure 11 It is a structural schematic diagram of the working state of the present utility model;

[0036] Figure 12 It is a structural schematic diagram of the workpiece of the present utility model;

[0037] Figure 13 It is a structural schematic diagram of the workpiece welding state mentioned in the present background technology;

[0038] Figure 14 It is a structural schematic diagram of the workpiece welding state mentioned in the present background technology;

[0039] Figure 15 It is Figure 14 the enlarged schematic diagram of the A structure in

[0040] In the figure, 1. substrate; 101. positioning hole; 2. first bottom plate; 3. positioning column; 4. second bottom plate; 5. positioning clamp; 501. base; 502. mounting plate; 503. handle; 504. connecting plate; 505. fixing plate; 506. first rotating column; 507. connecting rod; 508. third rotating column; 509. fixing plug; 510. baffle; 511. second rotating column; 6. positioning plate; 601. welding groove; 7. pin shaft; 8. clamping groove; 9. workpiece; 901. clamping plate; 902. bending plate; 903. top plate; 904. cover plate; 10. welding workpiece; 1001. casting; 1002. standard part; 1003. clamping groove; 1004. stud. Specific embodiments

[0041] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0042] Such as Figures 1 to 3As shown in the figure, a workpiece welding device includes a base plate 1, on which a first bottom plate 2 and a second bottom plate 4 are installed. The first bottom plate 2 and the second bottom plate 4 are respectively provided with placing grooves for placing workpieces 9. The base plate 1 is installed with a positioning plate 6, and the second bottom plate 4 is installed with a positioning clamp 5. The positioning clamp 5 corresponds to the positioning groove in position. After the workpiece 9 is installed in the placing groove, the bottom of the workpiece 9 is positioned by the positioning plate 6, and the top of the workpiece 9 is positioned by the positioning clamp 5.

[0043] There is a space between the first bottom plate 2 and the second bottom plate 4. The corresponding sides of the first bottom plate 2 and the second bottom plate 4 are respectively provided with arc-shaped notches. The space between the notches and the base plate 1 forms a placing groove, and the positioning plate 6 is installed on the base plate 1 corresponding to the notch.

[0044] As Figures 5 to 9 shown in the figure, the positioning clamp 5 includes a base 501 fixedly installed on the second bottom plate 4. A connecting rod is rotatably installed on the base 501, and a fixing plug 509 is installed at the end of the connecting rod; a control rod is rotatably installed on the base 501, and the connecting rod is connected to the control rod. The fixing plug 509 is lifted or lowered by driving the control rod.

[0045] The base 501 includes two side plates fixedly arranged. There is a space between the two side plates. One end of the connecting rod is rotatably connected to the two side plates, and one end of the control rod is rotatably connected to the two side plates. A connecting plate 504 is installed between the control rod and the connecting rod. The control rod drives the connecting rod to lift or fall through the connecting plate 504.

[0046] The control rod is installed with a first rotating column 506. One end of the connecting plate 504 is rotatably connected to the first rotating column 506. A baffle 510 is fixedly installed on the side of the connecting plate 504. The baffle 510 corresponds to the position of the first rotating column 506. When the control rod is perpendicular to the connecting rod, the control rod is in contact with and limitedly fixed by the baffle 510 through the first rotating column 506.

[0047] Specifically, the control rod includes a mounting plate 502 and a handle 503. There are two mounting plates 502 arranged in parallel. The ends of the two mounting plates 502 are fixedly connected to the handle 503. There is a space between the two mounting plates 502. The base 501 is located between the two mounting plates 502, and the first rotating column 506 is fixedly installed between the two mounting plates 502.

[0048] A second rotating column 511 is installed between the two side plates of the base 501. The two mounting plates 502 are rotatably connected to the two side plates through the second rotating column 511.

[0049] A third rotating column 508 is installed between the two side plates of the base 501. The connecting rod includes a fixing plate 505 and a connecting rod 507. Two fixing plates 505 are arranged in parallel. A fixing plug 509 is installed at one end of the two fixing plates 505, and the other end is fixedly connected to the connecting rod 507. The connecting rod 507 is rotatably connected to the third rotating column 508.

[0050] The first bottom plate 2 is installed with a positioning column 3. The second bottom plate 4 is slidably connected to the positioning column 3. The second bottom plate 4 can move up and down along the positioning column 3. A positioning nut is installed on the positioning column 3 to fix the second bottom plate 4 and the positioning column 3.

[0051] Specifically, the positioning column 3 is a screw rod. The positioning nut is threadedly installed on the screw rod.

[0052] The positioning plate 6 is matched with the shape of the placement groove. A welding interface for facilitating welding is arranged on the side of the positioning plate 6.

[0053] Specifically, the positioning plate 6 and the substrate 1 are fixedly connected by bolts or other connecting pieces.

[0054] As Figure 4 shown, a partition is installed between the first bottom plate 2 and the substrate 1. There is a space between the side wall of the partition, the side wall of the first bottom plate 2 with a notch, and the substrate 1. This space forms a positioning groove.

[0055] The substrate 1 is detachably installed with a pin shaft 7, and the position of the pin shaft 7 corresponds to the position of the card slot 1003.

[0056] The substrate 1 is provided with a positioning hole 101, and the pin shaft 7 is slidably installed in the positioning hole 101.

[0057] Specifically, the workpiece 9 is an end armrest guardrail. As Figure 12 described, the end armrest guardrail includes a curved plate 902 and a cover plate 904 at the end. A top plate 903 is arranged at the top of the curved plate 902, and a clamping plate 901 is arranged at the bottom.

[0058] Before use, remove the positioning plate 6 from the substrate 1, and at the same time remove the pin shaft 7. Operate the positioning clamp 5 to make the fixing plug 509 of the connecting rod in a lifted state. Then install the end armrest guardrail in the placement groove. After installation, the side wall of the curved plate 902 fits together with the arc-shaped side walls of the first bottom plate 2 and the second bottom plate 4. The clamping plate 901 at the bottom of the end armrest guardrail is located in the positioning groove. Then install the positioning plate 6, operate the positioning clamp 5 to make the fixing plug 509 press on the top plate 903 of the curved plate 902. Finally, install the pin shaft 7 to position the clamping plate 901 at the bottom of the end armrest guardrail through the pin shaft 7. Welding operations can be carried out in this state. As Figure 10 、 Figure 11 shown. Specifically,

[0059] 1. Design a corresponding tooling according to the bending radius and angle of the end guardrail in the drawing. The tooling is designed as an adjustable lengthening screw rod to cope with the production of cover plates 904 with different widths.

[0060] 2. Place the end stainless steel cover plate 904 and the bending plate 902 in the tooling, fasten them with the quick clamps on the tooling, use the positioning pins to ensure the welding dimensions, and perform welding operations at the intermittent welding notches reserved on the tooling. The welding spacing is 100 mm, and the weld length is 50 mm. After welding, use a rubber mallet to strike to test the welding strength.

[0061] 3. Finally, use a scouring pad to wire-brush the yellow spots after welding to achieve a better aesthetic effect.

[0062] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A workpiece welding device, comprising a substrate (1), characterized in that, A first base plate (2) and a second base plate (4) are mounted on the substrate (1). The first base plate (2) and the second base plate (4) are respectively provided with placing grooves for placing a workpiece (9). The substrate (1) is mounted with a positioning plate (6), and the second base plate (4) is mounted with a positioning clamp (5). The positioning clamp (5) corresponds to the positioning groove in position. After the workpiece (9) is mounted in the placing groove, the bottom of the workpiece (9) is positioned by the positioning plate (6), and the top of the workpiece (9) is positioned by the positioning clamp (5). The positioning clamp (5) includes a base (501) fixedly mounted on the second base plate (4). A connecting rod is rotatably mounted on the base (501), and a fixing plug (509) is mounted at the end of the connecting rod. A control rod is rotatably mounted on the base (501). The connecting rod is connected to the control rod, and the fixing plug (509) is lifted or lowered by driving the control rod.

2. An workpiece welding device according to claim 1, characterized in that, A space is left between the first base plate (2) and the second base plate (4). Arc-shaped notches are respectively provided on the opposite sides of the first base plate (2) and the second base plate (4). The space between the notch and the substrate (1) forms a placing groove. The positioning plate (6) is mounted on the substrate (1) corresponding to the notch.

3. An workpiece welding device according to claim 1, characterized in that, The base (501) includes two side plates fixedly provided. A space is left between the two side plates. One end of the connecting rod is rotatably connected to the two side plates, and one end of the control rod is rotatably connected to the two side plates. A connecting plate (504) is mounted between the control rod and the connecting rod. The control rod drives the connecting rod to lift or fall through the connecting plate (504).

4. The workpiece welding device according to claim 3, characterized in that, The control rod is mounted with a first rotating column (506). One end of the connecting plate (504) is rotatably connected to the first rotating column (506). A baffle (510) is fixedly mounted on the side of the connecting plate (504). The baffle (510) corresponds to the first rotating column (506) in position. When the control rod is perpendicular to the connecting rod, the control rod is in contact with and limitedly fixed by the baffle (510) through the first rotating column (506).

5. An article welding device according to claim 1, characterized in that, The first base plate (2) is mounted with a positioning column (3). The second base plate (4) is slidably connected to the positioning column (3). The second base plate (4) moves up and down along the positioning column (3). A positioning nut for fixing the second base plate (4) and the positioning column (3) is mounted on the positioning column (3).

6. An workpiece welding device according to claim 1, characterized in that, The positioning plate (6) is matched with the shape of the placing groove. A welding interface convenient for welding is provided on the side of the positioning plate (6).

7. An article welding device according to claim 1, characterized in that, A partition is mounted between the first base plate (2) and the substrate (1). A space is left between the side wall of the partition, the side walls of the first base plate (2) and the second base plate (4) provided with notches, and the substrate (1). This space forms a positioning groove.

8. An workpiece welding device according to claim 7, characterized in that, The first base plate (2) is detachably mounted with a pin shaft (7). The pin shaft (7) corresponds to the position of a card slot (1003).

9. An article welding device according to claim 8, wherein, The substrate (1) is provided with a positioning hole (101). The pin shaft (7) is slidably mounted in the positioning hole (101).

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