Sheet metal part welding clamp

Abstract

The utility model provides a sheet metal part welding clamp, which belongs to the technical field of sheet metal part processing, and comprises a clamp table, a clamp assembly is arranged at the top of the clamp table, a rotating table mechanism is arranged at the bottom of the clamp table, the rotating table mechanism comprises a fixed chassis and a rotating ring frame, an inner gear ring is arranged at the bottom of the inner ring of the rotating ring frame, and the inner gear ring is arranged on the fixed chassis. A driving gear meshed with the inner gear ring is rotationally connected and mounted on the fixed chassis, a driven bevel gear is mounted at the top of the driving gear, a first motor is mounted at the top of the fixed chassis, and a transmission bevel gear perpendicular to and meshed with the driven bevel gear is mounted on an output shaft of the first motor; according to the device, through the arrangement of the rotating table mechanism and transmission among a gear, a gear ring and a bevel gear, relative rotation of the fixed base plate and the rotating ring frame is achieved, then a clamp table drives a sheet metal part to rotate, angle adjustment of the sheet metal part and a welding point is completed, the device can cope with various welding angles, and the applicability is improved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of sheet metal processing, in particular to a sheet metal welding fixture. Background Art

[0002] A fixture is a device used to fix the processing object in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. Sheet metal is a comprehensive cold processing process for thin metal plates. The products processed by the sheet metal industry are called sheet metal parts. Therefore, in the welding process of sheet metal parts, fixtures are needed to clamp and fix the sheet metal so that it can be welded later.

[0003] After searching, the patent with application number CN202022144732.1 provides a sheet metal welding fixture, which is convenient for clamping sheet metal parts and ensures the stability of sheet metal parts during processing. When using existing sheet metal welding fixtures, in order to cope with various welding angles, it is necessary to adjust the angle of sheet metal parts during welding. However, after clamping the sheet metal parts, the angle between the fixture and the sheet metal parts cannot be adjusted, which affects the welding processing effect. Utility Model Content

[0004] The utility model mainly provides a sheet metal welding fixture to solve the technical problems raised in the above background technology.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] A sheet metal welding fixture comprises a fixture table, a fixture assembly is arranged on the top of the fixture table, a rotating table mechanism is installed at the bottom of the fixture table, the rotating table mechanism comprises a fixed chassis located at the bottom of the fixture table, a rotating ring frame installed at the bottom of the fixture table, the rotating ring frame is rotatably connected to the fixed chassis, an inner ring is arranged at the bottom of the inner ring of the rotating ring frame, a driving gear meshing with the inner ring is rotatably installed on the fixed chassis, a driven bevel gear is installed on the top of the driving gear, a first motor is installed on the top of the fixed chassis, and a transmission bevel gear perpendicular to and meshing with the driven bevel gear is installed on the output shaft of the first motor.

[0007] Furthermore, an arcuate annular groove is arranged on the side of the fixed chassis, the bottom diameter of the rotating ring frame is larger than the diameter of the fixed chassis, and an arcuate annular strip is arranged on the inner bottom of the rotating ring frame, and the arcuate annular strip is located inside the arcuate annular groove.

[0008] Furthermore, three screw slots are arranged in a circumferential distribution on the top of the fixture table, three connecting blocks are installed in a circumferential distribution on the inner top of the rotating ring frame, and fixing bolts are installed in the screw slots to connect the fixture tables.

[0009] Furthermore, three slide grooves are installed in a circular distribution on the top of the clamp table, and a cavity is arranged inside the center of the clamp table. The clamp assembly includes three screw rods which are respectively rotatably connected and installed in the three slide grooves and penetrate into the cavity, a bevel gear group and a second motor located inside the cavity, nut blocks which are respectively slidably installed on the three screw rods, and a clamping block installed on the top of the nut block. The bevel gears of the bevel gear group are respectively connected to the inner ends of the three screw rods and the output shaft of the second motor.

[0010] Furthermore, an anti-slip rubber pad is provided at one inner end of each of the three clamping blocks.

[0011] Furthermore, a mounting groove is provided on the inner side of the top of the nut block, convex strips are provided on the inner walls on both sides of the mounting groove, and the bottom of the clamping block is adapted to the mounting groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] This device can clamp and fix sheet metal parts of different sizes through the clamp assembly, so as to weld the sheet metal parts. At the same time, through the setting of the rotating table mechanism, the transmission between the gears, the gear ring and the bevel gear is realized, so as to realize the relative rotation of the fixed chassis and the rotating ring frame, and then realize the rotation of the sheet metal part driven by the clamp table, complete the angle adjustment of the sheet metal part and the welding point, can cope with a variety of welding angles, and increase applicability.

[0014] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is an exploded view of the overall structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the fixed chassis structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the rotating ring frame of the utility model;

[0019] Figure 5 It is a partial cross-sectional view of the fixture table area of ​​the utility model.

[0020] In the figure: 10, fixture table; 11, slide groove; 12, screw slot; 20, rotating table mechanism; 21, fixed chassis; 211, arc-shaped ring groove; 22, rotating ring frame; 221, arc-shaped ring strip; 222, connecting block; 23, internal gear ring; 24, driving gear; 25, driven bevel gear; 26, transmission bevel gear; 30, fixture assembly; 31, screw rod; 32, nut block; 321, mounting groove; 33, bevel gear set; 34, clamping block; 40, fixing bolt; 50, anti-slip rubber pad. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] For examples, please refer to the attached Figure 1-5 A sheet metal welding fixture comprises a fixture table 10, a fixture assembly 30 is arranged on the top of the fixture table 10, a rotating table mechanism 20 is installed at the bottom of the fixture table 10, the rotating table mechanism 20 comprises a fixed chassis 21 located at the bottom of the fixture table 10, a rotating ring frame 22 installed at the bottom of the fixture table 10, the rotating ring frame 22 is rotatably connected to the fixed chassis 21, an inner gear ring 23 is arranged at the bottom of the inner ring of the rotating ring frame 22, a driving gear 24 meshing with the inner gear ring 23 is rotatably installed on the fixed chassis 21, a driven bevel gear 25 is installed on the top of the driving gear 24, a first motor 27 is installed on the top of the fixed chassis 21, and a transmission bevel gear 26 perpendicular to and meshing with the driven bevel gear 25 is installed on the output shaft of the first motor 27.

[0025] For details, please refer to the attached Figure 2 and attached Figure 3 The side of the fixed chassis 21 is provided with an arcuate annular groove 211, the bottom diameter of the rotating ring frame 22 is larger than the diameter of the fixed chassis 21, and the inner bottom of the rotating ring frame 22 is provided with an arcuate annular strip 221, and the arcuate annular strip 221 is located inside the arcuate annular groove 211;

[0026] In this embodiment, it should be noted that due to the restrictions of the arcuate ring strip 221 and the arcuate ring groove 211 , the rotating ring frame 22 and the fixed chassis 21 can rotate and cannot be separated, thereby ensuring the stable rotation of the fixture table 10 .

[0027] For details, please refer to the attached Figure 2 The top of the fixture table 10 is provided with three screw slots 12 in a circumferential distribution, and the inner top of the rotating ring frame 22 is provided with three connecting blocks 222 in a circumferential distribution. The screw slots 12 are provided with fixing bolts 40 to connect the fixture tables 10 and the fixture tables 10;

[0028] In this embodiment, it should be noted that the fixing bolts 40 are connected to each other by internal and external threads. When the transmission parts and the first motor 27 inside the rotating ring frame 22 and the fixed chassis 21 are damaged, the screw slots 12 can be removed to separate the fixture table 10 and the rotating ring frame 22, and then the internal maintenance operations can be conveniently carried out.

[0029] For details, please refer to the attached Figure 1 and attached Figure 5 The top of the fixture table 10 is provided with three slide grooves 11 distributed in a circle, a cavity is provided inside the center of the fixture table 10, the fixture assembly 30 includes three screw rods 31 which are respectively rotatably connected and installed in the three slide grooves 11 and penetrate into the cavity, a bevel gear set 33 and a second motor located inside the cavity, nut blocks 32 which are respectively slidably installed on the three screw rods 31, a clamping block 34 which is installed on the top of the nut block 32, and the bevel gears of the bevel gear set 33 are respectively connected with one end of the inner side of the three screw rods 31 and the output shaft of the second motor;

[0030] In this embodiment, it should be noted that the electrical components of the device are all electrically connected through the same conventional PLC controller. The bevel gear set 33 consists of three top bevel gears and one bottom bevel gear. The three top bevel gears are perpendicular to and meshed with the bottom bevel gear. Through the operation of the second motor and the transmission between the bevel gear sets 33, the three nut blocks 32 can synchronously drive the clamping blocks 34 to approach, thereby clamping and fixing the sheet metal.

[0031] For details, please refer to the attached Figure 5 , an anti-slip rubber pad 50 is provided at one end of the inner side of the three clamping blocks 34;

[0032] In this embodiment, it should be noted that the anti-slip rubber pad 50 can increase the friction resistance and more effectively fix the sheet metal component, thereby facilitating subsequent welding of the sheet metal component.

[0033] Furthermore, a mounting groove 321 is provided on the inner side of the top of the nut block 32, and convex strips are provided on the inner walls of both sides of the mounting groove 321, and the bottom of the clamping block 34 is adapted to the mounting groove 321;

[0034] In this embodiment, it should be noted that the bottom of the clamping block 34 can be inserted into the installation groove 321, and the clamping block 34 can be easily disassembled, and then the clamping block 34 of appropriate height and curvature can be installed to more stably clamp different sheet metal parts.

[0035] The specific operation mode of the utility model is as follows:

[0036] First, place the sheet metal part on the top of the fixture table 10, then start the second motor through the controller, and cooperate with the transmission between the bevel gear set 33 to achieve the three nut blocks 32 synchronously driving the clamping block 34 to approach, thereby clamping and fixing the sheet metal part;

[0037] After that, the sheet metal can be welded. During the welding process, the sheet metal needs to be rotated to adjust the angle. The first motor 27 can be started through the controller, and the transmission bevel gear 26 engages the driven bevel gear 25, and then the driving gear 24 engages the inner gear ring 23, thereby realizing the relative rotation of the fixed chassis 21 and the rotating ring frame 22, and then the fixture table 10 drives the sheet metal to rotate, which is convenient for subsequent welding operations.

[0038] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A sheet metal welding fixture, comprising a fixture table (10), characterized in that: A fixture assembly (30) is arranged on the top of the fixture table (10), and a rotating table mechanism (20) is installed on the bottom of the fixture table (10). The rotating table mechanism (20) comprises a fixed chassis (21) located at the bottom of the fixture table (10), and a rotating ring frame (22) installed at the bottom of the fixture table (10). The rotating ring frame (22) is rotatably connected to the fixed chassis (21). An inner gear ring (23) is arranged at the bottom of the inner ring of the rotating ring frame (22). A driving gear (24) meshing with the inner gear ring (23) is rotatably installed on the fixed chassis (21). A driven bevel gear (25) is installed on the top of the driving gear (24). A first motor (27) is installed on the top of the fixed chassis (21), and a transmission bevel gear (26) perpendicular to and meshing with the driven bevel gear (25) is installed on the output shaft of the first motor (27).

2. A sheet metal welding fixture according to claim 1, characterized in that: The side of the fixed chassis (21) is provided with an arcuate annular groove (211), the bottom diameter of the rotating ring frame (22) is larger than the diameter of the fixed chassis (21), the inner bottom of the rotating ring frame (22) is provided with an arcuate annular strip (221), and the arcuate annular strip (221) is located inside the arcuate annular groove (211).

3. The sheet metal welding fixture according to claim 1, characterized in that: The top of the fixture table (10) is provided with three screw slot holes (12) distributed in a circumferential manner, the inner top of the rotating ring frame (22) is provided with three connecting blocks (222) distributed in a circumferential manner, and fixing bolts (40) are installed in the screw slot holes (12) to connect the fixture tables (10) and the fixture tables (10).

4. The sheet metal welding fixture according to claim 1, characterized in that: The top of the clamping platform (10) is provided with three slide grooves (11) distributed in a circle, a cavity is provided inside the center of the circle of the clamping platform (10), the clamping assembly (30) comprises three screw rods (31) respectively rotatably connected and installed in the three slide grooves (11) and extending through the cavity, a bevel gear set (33) and a second motor located inside the cavity, nut blocks (32) respectively slidably installed on the three screw rods (31), a clamping block (34) installed on the top of the nut block (32), and the bevel gears of the bevel gear set (33) are respectively connected to one end of the inner side of the three screw rods (31) and the output shaft of the second motor.

5. The sheet metal welding fixture according to claim 4, characterized in that: An anti-slip rubber pad (50) is provided at one inner end of each of the three clamping blocks (34).

6. The sheet metal welding fixture according to claim 4, characterized in that: The inner side of the top of the nut block (32) is provided with a mounting groove (321), the inner walls on both sides of the mounting groove (321) are provided with convex strips, and the bottom of the clamping block (34) is adapted to the mounting groove (321).

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