Turnover welding clamping table

Abstract

The utility model relates to a turnover welding clamping table which comprises a turnover assembly, a welding assembly and a clamping assembly. The turnover assembly comprises a base, a stand column, a turnover plate and a motor. A rotor of the motor penetrates through the stand columns and then is connected with one end of the overturning plate so as to drive the overturning plate to overturn between the two stand columns. The clamping assembly is mounted on the overturning assembly and used for positioning and clamping a workpiece; the clamping assembly comprises a clamping plate, a supporting boss, a plurality of positioning pins, a plurality of clamping jaws, a plurality of side pressing pieces and two rotary pressing air cylinders. The supporting boss and the positioning pin are used for positioning and bearing a workpiece, the clamping jaw clamps the bottom face of the workpiece, the side pressing piece abuts against the side edge of the workpiece, and the rotary pressing air cylinder abuts against the top face of the workpiece. The turnover welding clamping table is simple in structure and convenient to use, the motor and the turnover plate are used for driving the clamping plate to rotate by 360 degrees, welding at multiple angles can be conveniently completed, the time for repositioning a workpiece is shortened, the uniformity and quality of a welding seam are ensured, and the production efficiency is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding clamping tables, in particular to a reversible welding clamping table. Background Art

[0002] The welding fixture is an auxiliary equipment specially used in the welding process. Its main purpose is to ensure the shape and position tolerance and relative position tolerance of the welding components before and after welding, and to ensure the final assembly accuracy of the parts.

[0003] Existing welding fixtures can often only fix the workpiece in a single position for welding, which limits the welder's operating angle and may make it impossible to weld from the optimal angle. During the welding process, the workpiece position needs to be frequently changed or adjusted, and the uniformity and quality of the weld cannot be uniformly guaranteed, thus affecting the welding quality and efficiency. Utility Model Content

[0004] Based on this, the utility model provides a flip welding clamping table with a simple structure and easy use. It uses a motor and a flip plate to drive the clamping plate to achieve 360-degree rotation, which facilitates welding at multiple angles, reduces the time for repositioning the workpiece, ensures the uniformity and quality of the weld, and improves production efficiency.

[0005] In order to achieve the purpose of the utility model, the utility model adopts the following technical solutions:

[0006] A reversible welding clamping table, comprising:

[0007] The flip assembly includes a base, columns installed at two opposite ends of the top of the base, a flip plate rotatably installed between the two columns, and a motor installed on a side of a column away from the flip plate; the rotor of the motor passes through the column and is connected to one end of the flip plate to drive the flip plate to flip between the two columns; and

[0008] The clamping assembly installed on the flipping assembly is used to position and clamp the workpiece; the clamping assembly includes a clamping plate installed on the flipping plate, supporting bosses installed on opposite ends of the clamping plate, multiple positioning pins installed between the two supporting bosses, multiple clamping jaws spaced apart along the length direction of the clamping plate, multiple side pressure pieces spaced apart on opposite sides of the clamping plate, and two rotating clamping cylinders installed on one side of the clamping plate; the supporting bosses and the positioning pins are used to position the bearing workpiece, the clamping jaws clamp the bottom surface of the workpiece, the side pressure pieces abut the side edges of the workpiece, and the rotating clamping cylinder abuts the top surface of the workpiece.

[0009] The above-mentioned flip welding clamping table has a simple structure and is easy to use. It uses a motor and a flip plate to drive the clamping plate to achieve 360-degree rotation, which facilitates welding at multiple angles, reduces the time for repositioning the workpiece, ensures the uniformity and quality of the weld, and improves production efficiency.

[0010] In one of the embodiments, the clamp includes a clamp seat fixedly connected to a clamping plate, a clamping drive cylinder installed on one side of the clamp seat, a fixed clamping plate installed on the other side of the clamp seat, a movable clamping plate rotatably installed on one side of the fixed clamping plate, a spring clamped between the fixed clamping plate and the movable clamping plate, and a driving rod that hinges the fixed clamping plate; one end of the driving rod away from the fixed clamping plate abuts against the piston rod of the clamping drive cylinder, and the driving rod is used to drive the movable clamping plate to approach the fixed clamping plate to achieve clamping.

[0011] In one embodiment, the top end of the movable splint is wedge-shaped, and a short shaft is connected to one end of the driving rod corresponding to the movable splint, and the short shaft is used to abut against the outer side of the top end of the movable splint.

[0012] In one embodiment, the width of the top end of the movable splint gradually increases from bottom to top.

[0013] In one of the embodiments, latches are respectively protruded downward from opposite ends of the bottom surface of the workpiece, and the latches correspond one-to-one to the supporting bosses; a plurality of positioning holes are also provided on the bottom surface of the workpiece corresponding to between the two latches, and the positioning holes correspond one-to-one to the positioning pins.

[0014] In one embodiment, ribs are spaced apart and connected to the bottom surface of the workpiece, and the ribs are clamped between the fixed clamping plate and the movable clamping plate, and the ribs are clamped by clamping claws.

[0015] In one embodiment, the side pressure member includes a support fixedly connected to the clamping plate, a side pressure driving cylinder installed on the inner side of the top end of the support, and a pressure block connected to the side pressure driving rod cylinder; the side pressure member is located on opposite sides of the workpiece, and the side pressure driving cylinder is extended to drive the pressure block to abut the side of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of a reversible welding clamping table according to an embodiment of the utility model;

[0017] Figure 2 for Figure 1 A three-dimensional schematic diagram of a clamping assembly in a reversible welding clamping table shown;

[0018] Figure 3 for Figure 2 A three-dimensional schematic diagram of another perspective of the clamping assembly in the reversible welding clamping table shown;

[0019] Figure 4 for Figure 2 A three-dimensional schematic diagram of the clamping jaws in the reversible welding fixture shown;

[0020] Figure 5 for Figure 4A three-dimensional schematic diagram of another perspective of the clamping jaws in the reversible welding clamping table shown;

[0021] Figure 6 for Figure 1 The assembly diagram of the reversible welding fixture and the workpiece shown;

[0022] Figure 7 for Figure 6 A schematic diagram showing a comparison between a reversible welding fixture and a workpiece;

[0023] Figure 8 for Figure 7 A three-dimensional schematic diagram of the workpiece shown.

[0024] Notes on the attached drawings:

[0025] 10- flip assembly, 11- base, 12- column, 13- flip plate;

[0026] 20-clamping assembly, 21-clamping plate, 22-supporting boss, 23-locating pin, 24-clamping claw, 241-clamping claw seat, 242-clamping drive cylinder, 243-fixed clamping plate, 244-movable clamping plate, 245-driving rod, 246-short shaft, 25-side pressure piece, 251-pillar, 252-side pressure drive cylinder, 253-pressure block, 26-rotating clamping cylinder; 30-workpiece, 31-pin, 32-locating hole, 33-rib. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate 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 an intermediate element at the same time.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein 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.

[0030] See also Figures 1 to 8, which is a reversible welding clamping table according to an embodiment of the present invention, comprises a reversing assembly 10 and a clamping assembly 20 mounted on the reversing assembly 10 ; the clamping assembly 20 is used for positioning and clamping a workpiece 30 .

[0031] The flip assembly 10 includes a base 11, columns 12 installed at opposite ends of the top of the base 11, a flip plate 13 rotatably installed between the two columns 12, and a motor (not shown) installed on the side of one column 12 away from the flip plate 13; the rotor of the motor passes through the column 12 and is connected to one end of the flip plate 13 to drive the flip plate 13 to flip between the two columns 12. The flip plate 13 is used to carry and install the clamping assembly 20, and can drive the workpiece 30 to rotate 360 ​​degrees, which is convenient for completing welding at multiple angles, reducing the time for repositioning the workpiece, ensuring the uniformity and quality of the weld, and also improving production efficiency.

[0032] The clamping assembly 20 includes a clamping plate 21 mounted on the flip plate 12, supporting bosses 22 mounted on opposite ends of the clamping plate 21, a plurality of positioning pins 23 mounted between the two supporting bosses 22, a plurality of clamping jaws 24 arranged at intervals along the length direction of the clamping plate 21, a plurality of side pressure members 25 installed at intervals on opposite sides of the clamping plate 21, and two rotating pressing cylinders 26 installed on one side of the clamping plate 21. Among them, the supporting bosses 22 and the positioning pins 23 are used to position the bearing workpiece 30, the clamping jaws 24 clamp the bottom surface of the workpiece 30, the side pressure members 25 abut against the side of the workpiece 30, and the rotating pressing cylinders 26 abut against the top surface of the workpiece 30, so as to realize multi-directional clamping and fixing, and ensure the clamping stability of the workpiece 30 during the 360-degree rotation process.

[0033] In this embodiment, the clamping jaws 24 are distributed on the center line of the clamping plate 21, and the clamping jaws 24 include a clamping jaw seat 241 fixedly connected to the clamping plate 21, a clamping drive cylinder 242 installed on one side of the clamping jaw seat 241, a fixed clamping plate 243 installed on the other side of the clamping jaw seat 241, a movable clamping plate 244 rotatably installed on one side of the fixed clamping plate 243, a spring (not shown) clamped between the fixed clamping plate 243 and the movable clamping plate 244, and a driving rod 245 that hinges the fixed clamping plate 243; one end of the driving rod 245 away from the fixed clamping plate 243 abuts against the piston rod of the clamping drive cylinder 242, and the driving rod 245 is used to drive the movable clamping plate 244 to approach the fixed clamping plate 243 to achieve clamping.

[0034] Specifically, in this embodiment, the top of the movable clamping plate 244 is wedge-shaped, that is, the width of the top of the movable clamping plate 244 gradually increases from bottom to top, and the end of the driving rod 245 corresponding to the movable clamping plate 244 is also connected to a short shaft 246, and the short shaft 246 is used to abut the outer side of the top of the movable clamping plate 244. When the piston rod of the clamping driving cylinder 242 is extended, the driving rod 245 is turned upward, and the short shaft 246 pushes the movable clamping plate 244 to approach the fixed clamping plate 243 to clamp the workpiece 30. On the contrary, when the piston rod of the driving cylinder 242 is retracted, under the drive of the spring, the fixed clamping plate 243 and the movable clamping plate 244 are in an open state, and the workpiece 30 is released.

[0035] In this embodiment, the side pressure member 25 includes a support 251 fixedly connected to the clamping plate 21, a side pressure driving cylinder 252 installed on the inner side of the top end of the support 251, and a pressure block 253 connected to the side pressure driving rod cylinder 252. The side pressure member 25 is located on opposite sides of the workpiece 30, and the side pressure driving cylinder 252 is extended to drive the pressure block 253 to abut against the side of the workpiece 30, so as to clamp the workpiece 30.

[0036] like Figure 8 As shown, pins 31 protrude downward from opposite ends of the bottom surface of the workpiece 30, and the pins 31 correspond to the supporting bosses 22. A plurality of positioning holes 32 are provided on the bottom surface of the workpiece 30 corresponding to the two pins 31, and the positioning holes 32 correspond to the positioning pins 23, so that the workpiece 30 can be quickly positioned.

[0037] Furthermore, ribs 33 are connected at intervals on the bottom surface of the workpiece 30 , and the ribs 33 are clamped between the fixed clamping plate 243 and the movable clamping plate 244 . The clamping claws 24 clamp the ribs 33 to achieve clamping and fixing of the workpiece 30 .

[0038] The above-mentioned flip welding clamping table has a simple structure and is easy to use. It uses a motor and a flip plate to drive the clamping plate 21 to achieve 360-degree rotation, which facilitates welding at multiple angles, reduces the time for repositioning the workpiece 30, ensures the uniformity and quality of the weld, and improves production efficiency.

[0039] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0040] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A reversible welding fixture, characterized in that: include: The flip assembly includes a base, columns installed at two opposite ends of the top of the base, a flip plate rotatably installed between the two columns, and a motor installed on a side of a column away from the flip plate; the rotor of the motor passes through the column and is connected to one end of the flip plate to drive the flip plate to flip between the two columns; and The clamping assembly installed on the flipping assembly is used to position and clamp the workpiece; the clamping assembly includes a clamping plate installed on the flipping plate, supporting bosses installed on opposite ends of the clamping plate, multiple positioning pins installed between the two supporting bosses, multiple clamping jaws spaced apart along the length direction of the clamping plate, multiple side pressure pieces spaced apart on opposite sides of the clamping plate, and two rotating clamping cylinders installed on one side of the clamping plate; the supporting bosses and the positioning pins are used to position the bearing workpiece, the clamping jaws clamp the bottom surface of the workpiece, the side pressure pieces abut the side edges of the workpiece, and the rotating clamping cylinder abuts the top surface of the workpiece.

2. The reversible welding fixture according to claim 1 is characterized in that: The clamping jaw includes a clamping jaw seat fixedly connected to a clamping plate, a clamping driving cylinder installed on one side of the clamping jaw seat, a fixed clamping plate installed on the other side of the clamping jaw seat, a movable clamping plate rotatably installed on one side of the fixed clamping plate, a spring clamped between the fixed clamping plate and the movable clamping plate, and a driving rod that hinges the fixed clamping plate; the end of the driving rod away from the fixed clamping plate abuts against the piston rod of the clamping driving cylinder, and the driving rod is used to drive the movable clamping plate to approach the fixed clamping plate to achieve clamping.

3. The reversible welding fixture according to claim 2 is characterized in that: The top of the movable splint is wedge-shaped, and one end of the driving rod corresponding to the movable splint is also connected with a short shaft, which is used to abut against the outer side of the top of the movable splint.

4. The reversible welding fixture according to claim 3 is characterized in that: The width of the top of the movable splint gradually increases from bottom to top.

5. The reversible welding fixture according to claim 2, characterized in that: The opposite ends of the bottom surface of the workpiece respectively protrude downward with latches, which correspond to the supporting bosses one by one; the bottom surface of the workpiece is also provided with a plurality of positioning holes corresponding to the two latches, which correspond to the positioning holes and the positioning pins one by one.

6. The reversible welding fixture according to claim 2, characterized in that: The bottom surface of the workpiece is also connected with ribs at intervals, and the ribs are clamped between the fixed clamping plate and the movable clamping plate, and the ribs are clamped by clamping claws.

7. The reversible welding fixture according to claim 1, characterized in that: The side pressure member includes a support fixedly connected to the clamping plate, a side pressure driving cylinder installed on the inner side of the top end of the support, and a pressure block connected to the side pressure driving rod cylinder; the side pressure member is located on the opposite sides of the workpiece, and the side pressure driving cylinder is extended to drive the pressure block to abut the side of the workpiece.

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