Clamping mechanism for welding large-breadth steel plate

Abstract

The utility model discloses a clamping mechanism for welding of a large-breadth steel plate, which comprises a supporting platform, adjusting units and pressing units, a large-breadth steel plate placing area is arranged on the supporting platform, and a plurality of groups of adjusting units and pressing units are arranged on each angle of the upper surface of the supporting platform. The pressing plate angle of the pressing unit is adjusted through the adjusting unit so that the edges of all angles of the large-format steel plate can be pressed, and the upper end of the side, pressed by the pressing plate, of the large-format steel plate is subjected to corner cutting design. A plurality of groups of adjusting units and pressing units are arranged around a large-breadth steel plate, the pressing area of the pressing plate is increased, a plurality of clamping units can be adjusted respectively, the usability is high, worm and rack mechanisms are adopted by the adjusting units, so that pressing and loosening of the pressing plate are achieved due to linear front-back movement of a lower wedge-shaped block of the pressing plate system, and the pressing plate system is simple in structure and convenient to use. And the space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the equipment related technical field for welding, concretely is a clamping mechanism for large -scale steel sheet welding. BACKGROUND

[0002] The clamping mechanism is a kind of mechanical device, is reliably fixed in the required position in the machining, assembly, detection etc., so that it does not displace or loosen under the action of various external forces (such as cutting force, vibration, gravity etc.), is widely applied in the assembly positioning of fixture and component on lathe, milling machine, drilling machine, grinding machine etc.

[0003] At present, the fixture commonly used in the field such as machine tool processing, die processing is small in size, small in acting area, cannot satisfy large -scale steel sheet welding. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned shortcomings and deficiencies, the utility model provides a clamping mechanism for large -scale steel sheet welding, the edges of large -scale steel sheet are pressed by multiple adjustable angle pressing plates, and the displacement of steel sheet in welding process is prevented.

[0005] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the utility model includes:

[0006] A clamping mechanism for large -scale steel sheet welding, characterized by including support platform, adjusting unit and pressing unit, the support platform is equipped with large -scale steel sheet placement area, each angle on the upper surface of support platform is equipped with multiple sets of adjusting unit and pressing unit, the pressing plate angle of pressing unit is adjusted by adjusting unit to press the edges of each angle of large -scale steel sheet.

[0007] The pressing unit includes pressing plate, upper connecting piece and lower connecting piece, the lower connecting piece is fixed on the support platform, the upper connecting piece is rotatably connected with the lower connecting piece by link bolt, and the lower connecting piece is fixed on the lower surface of the pressing plate.

[0008] The lower wedge block of adjusting unit is fixed on the support platform, and the upper surface of the lower wedge block is slidably connected with the upper wedge block, and the upper surface of the upper wedge block is fixed on the lower surface of the pressing plate;A through hole is arranged in the lower wedge block, a rack is arranged in the through hole, a worm is threadedly connected with the rack in the through hole, and the both ends of the worm extend out of the through hole and are connected with bearings respectively, and the bearings are fixed on the support platform.

[0009] The worm is connected with the handle by the bearing on one side.

[0010] The upper wedge block is a parallelepiped, and the end of the upper wedge block in contact with the lower wedge block is rounded for sliding.

[0011] The upper end of the pressure plate on one side of the large-format steel plate is designed with a chamfer.

[0012] This utility model has the following beneficial effects and advantages:

[0013] This utility model discloses a clamping mechanism for welding large-format steel plates. By setting multiple sets of adjustment units and clamping units around the large-format steel plate, the clamping area of ​​the pressure plate is increased, and the multiple clamping units can be adjusted independently, resulting in high usability. The adjustment unit adopts a worm gear and rack mechanism, which enables the pressure plate system to clamp and release the pressure plate by the linear back-and-forth movement of the lower wedge block, saving space. Moreover, due to the self-locking property of this mechanism, the system has high stability. The upper end of the side of the pressure plate that clamps the large-format steel plate is designed with a chamfer, which increases the vertical welding area and improves the welding efficiency and quality. Attached Figure Description

[0014] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0015] Fig. 2 This is a detailed structural diagram of the present invention.

[0016] Among them, 101 is the pressure plate, 102 is the upper wedge block, 103 is the connecting bolt, 104 is the upper connector, 105 is the lower connector, 201 is the worm gear, 202 is the rack, 203 is the lower wedge block, 204 is the bearing seat, 205 is the bearing, 206 is the handle, 300 is the large-format steel plate, and 400 is the support platform. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings. Figs. 1-2 As shown, this utility model is a clamping mechanism for welding large-format steel plates, including a support platform 400, an adjustment unit, and a pressing unit. The support platform 400 is provided with a placement area for the large-format steel plate 300. Multiple sets of adjustment units and pressing units are provided at various angles on the upper surface of the support platform 400. The angle of the pressing plate 101 of the pressing unit is adjusted by the adjustment unit to press the edges of the large-format steel plate 300 at various angles. The upper end of the pressing plate 101 on the side pressing the large-format steel plate is designed with a chamfer to increase the vertical projection area.

[0018] The clamping unit includes a pressure plate 101, an upper connector 104 and a lower connector 105. The lower connector 105 is fixed on the support platform 400. The upper connector 104 is rotatably connected to the lower connector 105 through a connecting bolt 103. The lower connector 104 is fixed on the lower surface of the pressure plate 101.

[0019] The lower wedge block 204 of the adjusting unit is fixed on the support platform 400, the surface of the lower wedge block 204 is in sliding connection with the upper wedge block 102, the upper surface of the upper wedge block 102 is fixed on the lower surface of the pressing plate 101; the upper wedge block 102 is a parallelepiped, and the end of the upper wedge block 102 in contact with the lower wedge block 203 is a rounded corner for sliding; the lower wedge block 203 is provided with a through hole, the through hole is provided with a rack 202, the worm 201 is in threaded connection with the rack 202 in the through hole, the two ends of the worm 201 extend out of the through hole and are connected with bearings 205, the bearings 205 are installed in bearing seats 204, the bearing seats 204 are fixed on the support platform 400, and one side of the worm 201 extending out of the bearing 205 is connected with a handle 206.

[0020] In use, the large-format steel plate 300 is placed in the designated placement area, a plurality of groups of adjusting units and pressing units are arranged around the large-format steel plate 300 on average, the handle 206 is rotated, the helical teeth on the worm 201 cooperate with the rack 202 in the lower wedge block 203 to drive the lower wedge block 203 to move horizontally, since the upper wedge block 102 is in sliding connection with the lower wedge block 203, the upper wedge block 102 drives the pressing plate 101 to rotate at an angle, until one end of the pressing plate 101 presses the large-format steel plate 300 tightly, so that the large-format steel plate 300 is fixed, at this time, the welding device above the large-format steel plate 300 is turned on to perform subsequent welding process on the large-format steel plate 300, since the upper end of the side of the large-format steel plate pressed by the pressing plate 101 is designed to be chamfered, the area of vertical welding is increased, and the efficiency and quality of welding are improved.

Claims

1. A clamping mechanism for large-format steel sheet welding, characterized in that: The application relates to a large-format steel plate pressing device, which comprises a supporting platform, an adjusting unit and a pressing unit, the supporting platform is provided with a large-format steel plate placing area, each angle on the upper surface of the supporting platform is provided with a plurality of adjusting units and pressing units, the pressing plate angle of the pressing unit is adjusted through the adjusting unit so that the edges of the large-format steel plate at each angle are pressed.

2. The clamping mechanism for large-format steel plate welding according to claim 1, characterized in that: The pressing unit comprises a pressing plate, an upper connecting piece and a lower connecting piece, the lower connecting piece is fixed on the supporting platform, the upper connecting piece is rotationally connected with the lower connecting piece through a link bolt, and the lower connecting piece is fixed on the lower surface of the pressing plate.

3. The clamping mechanism for large-format steel plate welding according to claim 1, characterized in that: The lower wedge block of the adjusting unit is fixed on the supporting platform, the upper surface of the lower wedge block is slidably connected with the upper wedge block, the upper surface of the upper wedge block is fixed on the lower surface of the pressing plate; the lower wedge block is internally provided with a through hole, the through hole is internally provided with a gear rack, a worm is threadedly connected with the gear rack in the through hole, the two ends of the worm extend out of the through hole and are connected with bearings respectively, and the bearings are fixed on the supporting platform through bearing seats.

4. The clamping mechanism for large-format steel plate welding according to claim 3, characterized in that: One side of the worm extends out of the bearing and is connected with a handle.

5. The clamping mechanism for large-format steel plate welding according to claim 3, characterized in that: The upper wedge block is a parallelepiped, and the end of the upper wedge block in contact with the lower wedge block is a rounded corner for sliding.

6. The clamping mechanism for large-format steel plate welding according to claim 3, characterized in that: The upper end of one side of the pressing plate for pressing the large-format steel plate is designed as a cutting angle.

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